diff options
Diffstat (limited to 'drivers')
3886 files changed, 24362 insertions, 15794 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig index 505c676fa9c7..152744c5ef0f 100644 --- a/drivers/Kconfig +++ b/drivers/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Device Drivers" source "drivers/amba/Kconfig" @@ -208,4 +209,6 @@ source "drivers/tee/Kconfig" source "drivers/mux/Kconfig" +source "drivers/opp/Kconfig" + endmenu diff --git a/drivers/Makefile b/drivers/Makefile index d90fdc413648..1d034b680431 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux kernel device drivers. # @@ -125,6 +126,7 @@ obj-$(CONFIG_ACCESSIBILITY) += accessibility/ obj-$(CONFIG_ISDN) += isdn/ obj-$(CONFIG_EDAC) += edac/ obj-$(CONFIG_EISA) += eisa/ +obj-$(CONFIG_PM_OPP) += opp/ obj-$(CONFIG_CPU_FREQ) += cpufreq/ obj-$(CONFIG_CPU_IDLE) += cpuidle/ obj-y += mmc/ diff --git a/drivers/accessibility/Kconfig b/drivers/accessibility/Kconfig index ef3b65bfdd0a..00f7512c9cf4 100644 --- a/drivers/accessibility/Kconfig +++ b/drivers/accessibility/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menuconfig ACCESSIBILITY bool "Accessibility support" ---help--- diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 1ce52f84dc23..91477d5ab422 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # ACPI Configuration # @@ -80,6 +81,11 @@ endif config ACPI_SPCR_TABLE bool +config ACPI_LPIT + bool + depends on X86_64 + default y + config ACPI_SLEEP bool depends on SUSPEND || HIBERNATION @@ -535,4 +541,20 @@ if ARM64 source "drivers/acpi/arm64/Kconfig" endif +config TPS68470_PMIC_OPREGION + bool "ACPI operation region support for TPS68470 PMIC" + depends on MFD_TPS68470 + help + This config adds ACPI operation region support for TI TPS68470 PMIC. + TPS68470 device is an advanced power management unit that powers + a Compact Camera Module (CCM), generates clocks for image sensors, + drives a dual LED for flash and incorporates two LED drivers for + general purpose indicators. + This driver enables ACPI operation region support control voltage + regulators and clocks. + + This option is a bool as it provides an ACPI operation + region, which must be available before any of the devices + using this, are probed. + endif # ACPI diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 90265ab4437a..31c15d84a8d0 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux ACPI interpreter # @@ -56,6 +57,7 @@ acpi-$(CONFIG_DEBUG_FS) += debugfs.o acpi-$(CONFIG_ACPI_NUMA) += numa.o acpi-$(CONFIG_ACPI_PROCFS_POWER) += cm_sbs.o acpi-y += acpi_lpat.o +acpi-$(CONFIG_ACPI_LPIT) += acpi_lpit.o acpi-$(CONFIG_ACPI_GENERIC_GSI) += irq.o acpi-$(CONFIG_ACPI_WATCHDOG) += acpi_watchdog.o @@ -107,6 +109,8 @@ obj-$(CONFIG_CHT_WC_PMIC_OPREGION) += pmic/intel_pmic_chtwc.o obj-$(CONFIG_ACPI_CONFIGFS) += acpi_configfs.o +obj-$(CONFIG_TPS68470_PMIC_OPREGION) += pmic/tps68470_pmic.o + video-objs += acpi_video.o video_detect.o obj-y += dptf/ diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 8f52483219ba..47a7ed557bd6 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -265,6 +265,7 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event) default: ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported event [0x%x]\n", event)); + /* fall through */ case ACPI_AC_NOTIFY_STATUS: case ACPI_NOTIFY_BUS_CHECK: case ACPI_NOTIFY_DEVICE_CHECK: diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c new file mode 100644 index 000000000000..e94e478dd18b --- /dev/null +++ b/drivers/acpi/acpi_lpit.c @@ -0,0 +1,162 @@ + +/* + * acpi_lpit.c - LPIT table processing functions + * + * Copyright (C) 2017 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/cpu.h> +#include <linux/acpi.h> +#include <asm/msr.h> +#include <asm/tsc.h> + +struct lpit_residency_info { + struct acpi_generic_address gaddr; + u64 frequency; + void __iomem *iomem_addr; +}; + +/* Storage for an memory mapped and FFH based entries */ +static struct lpit_residency_info residency_info_mem; +static struct lpit_residency_info residency_info_ffh; + +static int lpit_read_residency_counter_us(u64 *counter, bool io_mem) +{ + int err; + + if (io_mem) { + u64 count = 0; + int error; + + error = acpi_os_read_iomem(residency_info_mem.iomem_addr, &count, + residency_info_mem.gaddr.bit_width); + if (error) + return error; + + *counter = div64_u64(count * 1000000ULL, residency_info_mem.frequency); + return 0; + } + + err = rdmsrl_safe(residency_info_ffh.gaddr.address, counter); + if (!err) { + u64 mask = GENMASK_ULL(residency_info_ffh.gaddr.bit_offset + + residency_info_ffh.gaddr. bit_width - 1, + residency_info_ffh.gaddr.bit_offset); + + *counter &= mask; + *counter >>= residency_info_ffh.gaddr.bit_offset; + *counter = div64_u64(*counter * 1000000ULL, residency_info_ffh.frequency); + return 0; + } + + return -ENODATA; +} + +static ssize_t low_power_idle_system_residency_us_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + u64 counter; + int ret; + + ret = lpit_read_residency_counter_us(&counter, true); + if (ret) + return ret; + + return sprintf(buf, "%llu\n", counter); +} +static DEVICE_ATTR_RO(low_power_idle_system_residency_us); + +static ssize_t low_power_idle_cpu_residency_us_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + u64 counter; + int ret; + + ret = lpit_read_residency_counter_us(&counter, false); + if (ret) + return ret; + + return sprintf(buf, "%llu\n", counter); +} +static DEVICE_ATTR_RO(low_power_idle_cpu_residency_us); + +int lpit_read_residency_count_address(u64 *address) +{ + if (!residency_info_mem.gaddr.address) + return -EINVAL; + + *address = residency_info_mem.gaddr.address; + + return 0; +} + +static void lpit_update_residency(struct lpit_residency_info *info, + struct acpi_lpit_native *lpit_native) +{ + info->frequency = lpit_native->counter_frequency ? + lpit_native->counter_frequency : tsc_khz * 1000; + if (!info->frequency) + info->frequency = 1; + + info->gaddr = lpit_native->residency_counter; + if (info->gaddr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { + info->iomem_addr = ioremap_nocache(info->gaddr.address, + info->gaddr.bit_width / 8); + if (!info->iomem_addr) + return; + + /* Silently fail, if cpuidle attribute group is not present */ + sysfs_add_file_to_group(&cpu_subsys.dev_root->kobj, + &dev_attr_low_power_idle_system_residency_us.attr, + "cpuidle"); + } else if (info->gaddr.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) { + /* Silently fail, if cpuidle attribute group is not present */ + sysfs_add_file_to_group(&cpu_subsys.dev_root->kobj, + &dev_attr_low_power_idle_cpu_residency_us.attr, + "cpuidle"); + } +} + +static void lpit_process(u64 begin, u64 end) +{ + while (begin + sizeof(struct acpi_lpit_native) < end) { + struct acpi_lpit_native *lpit_native = (struct acpi_lpit_native *)begin; + + if (!lpit_native->header.type && !lpit_native->header.flags) { + if (lpit_native->residency_counter.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY && + !residency_info_mem.gaddr.address) { + lpit_update_residency(&residency_info_mem, lpit_native); + } else if (lpit_native->residency_counter.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE && + !residency_info_ffh.gaddr.address) { + lpit_update_residency(&residency_info_ffh, lpit_native); + } + } + begin += lpit_native->header.length; + } +} + +void acpi_init_lpit(void) +{ + acpi_status status; + u64 lpit_begin; + struct acpi_table_lpit *lpit; + + status = acpi_get_table(ACPI_SIG_LPIT, 0, (struct acpi_table_header **)&lpit); + + if (ACPI_FAILURE(status)) + return; + + lpit_begin = (u64)lpit + sizeof(*lpit); + lpit_process(lpit_begin, lpit_begin + lpit->header.length); +} diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 032ae44710e5..7f2b02cc8ea1 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -362,7 +362,7 @@ static int register_device_clock(struct acpi_device *adev, { const struct lpss_device_desc *dev_desc = pdata->dev_desc; const char *devname = dev_name(&adev->dev); - struct clk *clk = ERR_PTR(-ENODEV); + struct clk *clk; struct lpss_clk_data *clk_data; const char *parent, *clk_name; void __iomem *prv_base; @@ -693,7 +693,7 @@ static int acpi_lpss_activate(struct device *dev) struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); int ret; - ret = acpi_dev_runtime_resume(dev); + ret = acpi_dev_resume(dev); if (ret) return ret; @@ -713,42 +713,8 @@ static int acpi_lpss_activate(struct device *dev) static void acpi_lpss_dismiss(struct device *dev) { - acpi_dev_runtime_suspend(dev); -} - -#ifdef CONFIG_PM_SLEEP -static int acpi_lpss_suspend_late(struct device *dev) -{ - struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); - int ret; - - ret = pm_generic_suspend_late(dev); - if (ret) - return ret; - - if (pdata->dev_desc->flags & LPSS_SAVE_CTX) - acpi_lpss_save_ctx(dev, pdata); - - return acpi_dev_suspend_late(dev); -} - -static int acpi_lpss_resume_early(struct device *dev) -{ - struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); - int ret; - - ret = acpi_dev_resume_early(dev); - if (ret) - return ret; - - acpi_lpss_d3_to_d0_delay(pdata); - - if (pdata->dev_desc->flags & LPSS_SAVE_CTX) - acpi_lpss_restore_ctx(dev, pdata); - - return pm_generic_resume_early(dev); + acpi_dev_suspend(dev, false); } -#endif /* CONFIG_PM_SLEEP */ /* IOSF SB for LPSS island */ #define LPSS_IOSF_UNIT_LPIOEP 0xA0 @@ -835,19 +801,15 @@ static void lpss_iosf_exit_d3_state(void) mutex_unlock(&lpss_iosf_mutex); } -static int acpi_lpss_runtime_suspend(struct device *dev) +static int acpi_lpss_suspend(struct device *dev, bool wakeup) { struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); int ret; - ret = pm_generic_runtime_suspend(dev); - if (ret) - return ret; - if (pdata->dev_desc->flags & LPSS_SAVE_CTX) acpi_lpss_save_ctx(dev, pdata); - ret = acpi_dev_runtime_suspend(dev); + ret = acpi_dev_suspend(dev, wakeup); /* * This call must be last in the sequence, otherwise PMC will return @@ -860,7 +822,7 @@ static int acpi_lpss_runtime_suspend(struct device *dev) return ret; } -static int acpi_lpss_runtime_resume(struct device *dev) +static int acpi_lpss_resume(struct device *dev) { struct lpss_private_data *pdata = acpi_driver_data(ACPI_COMPANION(dev)); int ret; @@ -872,7 +834,7 @@ static int acpi_lpss_runtime_resume(struct device *dev) if (lpss_quirks & LPSS_QUIRK_ALWAYS_POWER_ON && iosf_mbi_available()) lpss_iosf_exit_d3_state(); - ret = acpi_dev_runtime_resume(dev); + ret = acpi_dev_resume(dev); if (ret) return ret; @@ -881,7 +843,41 @@ static int acpi_lpss_runtime_resume(struct device *dev) if (pdata->dev_desc->flags & LPSS_SAVE_CTX) acpi_lpss_restore_ctx(dev, pdata); - return pm_generic_runtime_resume(dev); + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int acpi_lpss_suspend_late(struct device *dev) +{ + int ret; + + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + ret = pm_generic_suspend_late(dev); + return ret ? ret : acpi_lpss_suspend(dev, device_may_wakeup(dev)); +} + +static int acpi_lpss_resume_early(struct device *dev) +{ + int ret = acpi_lpss_resume(dev); + + return ret ? ret : pm_generic_resume_early(dev); +} +#endif /* CONFIG_PM_SLEEP */ + +static int acpi_lpss_runtime_suspend(struct device *dev) +{ + int ret = pm_generic_runtime_suspend(dev); + + return ret ? ret : acpi_lpss_suspend(dev, true); +} + +static int acpi_lpss_runtime_resume(struct device *dev) +{ + int ret = acpi_lpss_resume(dev); + + return ret ? ret : pm_generic_runtime_resume(dev); } #endif /* CONFIG_PM */ @@ -894,13 +890,20 @@ static struct dev_pm_domain acpi_lpss_pm_domain = { #ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP .prepare = acpi_subsys_prepare, - .complete = pm_complete_with_resume_check, + .complete = acpi_subsys_complete, .suspend = acpi_subsys_suspend, .suspend_late = acpi_lpss_suspend_late, + .suspend_noirq = acpi_subsys_suspend_noirq, + .resume_noirq = acpi_subsys_resume_noirq, .resume_early = acpi_lpss_resume_early, .freeze = acpi_subsys_freeze, + .freeze_late = acpi_subsys_freeze_late, + .freeze_noirq = acpi_subsys_freeze_noirq, + .thaw_noirq = acpi_subsys_thaw_noirq, .poweroff = acpi_subsys_suspend, .poweroff_late = acpi_lpss_suspend_late, + .poweroff_noirq = acpi_subsys_suspend_noirq, + .restore_noirq = acpi_subsys_resume_noirq, .restore_early = acpi_lpss_resume_early, #endif .runtime_suspend = acpi_lpss_runtime_suspend, diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 86c10599d9f8..449d86d39965 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -82,6 +82,7 @@ static int acpi_processor_errata_piix4(struct pci_dev *dev) * PIIX4 models. */ errata.piix4.throttle = 1; + /* fall through*/ case 2: /* PIIX4E */ case 3: /* PIIX4M */ diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 1709551bc4aa..71f6f2624deb 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for ACPICA Core interpreter # @@ -177,6 +178,7 @@ acpi-y += \ utresrc.o \ utstate.o \ utstring.o \ + utstrsuppt.o \ utstrtoul64.o \ utxface.o \ utxfinit.o \ diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index fd4f3cacb356..cd722d8edacb 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -66,9 +66,9 @@ acpi_status acpi_hw_validate_register(struct acpi_generic_address *reg, u8 max_bit_width, u64 *address); -acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg); +acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg); -acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg); +acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg); struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h index 29a863c85318..29555c8789a3 100644 --- a/drivers/acpi/acpica/acinterp.h +++ b/drivers/acpi/acpica/acinterp.h @@ -101,7 +101,8 @@ typedef const struct acpi_exdump_info { */ acpi_status acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, - union acpi_operand_object **result_desc, u32 flags); + union acpi_operand_object **result_desc, + u32 implicit_conversion); acpi_status acpi_ex_convert_to_buffer(union acpi_operand_object *obj_desc, @@ -424,9 +425,6 @@ acpi_ex_store_object_to_node(union acpi_operand_object *source_desc, struct acpi_walk_state *walk_state, u8 implicit_conversion); -#define ACPI_IMPLICIT_CONVERSION TRUE -#define ACPI_NO_IMPLICIT_CONVERSION FALSE - /* * exstoren - resolve/store object */ diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 745134ade35f..83b75e9db7ef 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -141,6 +141,11 @@ extern const char *acpi_gbl_ptyp_decode[]; #define ACPI_MSG_SUFFIX \ acpi_os_printf (" (%8.8X/%s-%u)\n", ACPI_CA_VERSION, module_name, line_number) +/* Flags to indicate implicit or explicit string-to-integer conversion */ + +#define ACPI_IMPLICIT_CONVERSION TRUE +#define ACPI_NO_IMPLICIT_CONVERSION FALSE + /* Types for Resource descriptor entries */ #define ACPI_INVALID_RESOURCE 0 @@ -197,15 +202,31 @@ void acpi_ut_strlwr(char *src_string); int acpi_ut_stricmp(char *string1, char *string2); -acpi_status acpi_ut_strtoul64(char *string, u32 flags, u64 *ret_integer); +/* + * utstrsuppt - string-to-integer conversion support functions + */ +acpi_status acpi_ut_convert_octal_string(char *string, u64 *return_value); + +acpi_status acpi_ut_convert_decimal_string(char *string, u64 *return_value_ptr); + +acpi_status acpi_ut_convert_hex_string(char *string, u64 *return_value_ptr); + +char acpi_ut_remove_whitespace(char **string); + +char acpi_ut_remove_leading_zeros(char **string); + +u8 acpi_ut_detect_hex_prefix(char **string); + +u8 acpi_ut_detect_octal_prefix(char **string); /* - * Values for Flags above - * Note: LIMIT values correspond to acpi_gbl_integer_byte_width values (4/8) + * utstrtoul64 - string-to-integer conversion functions */ -#define ACPI_STRTOUL_32BIT 0x04 /* 4 bytes */ -#define ACPI_STRTOUL_64BIT 0x08 /* 8 bytes */ -#define ACPI_STRTOUL_BASE16 0x10 /* Default: Base10/16 */ +acpi_status acpi_ut_strtoul64(char *string, u64 *ret_integer); + +u64 acpi_ut_explicit_strtoul64(char *string); + +u64 acpi_ut_implicit_strtoul64(char *string); /* * utglobal - Global data structures and procedures diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 857dbc43a9b1..32d546f0db2f 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -277,10 +277,7 @@ acpi_db_convert_to_object(acpi_object_type type, default: object->type = ACPI_TYPE_INTEGER; - status = acpi_ut_strtoul64(string, - (acpi_gbl_integer_byte_width | - ACPI_STRTOUL_BASE16), - &object->integer.value); + status = acpi_ut_strtoul64(string, &object->integer.value); break; } diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c index 20d7744b06ae..22f45d090733 100644 --- a/drivers/acpi/acpica/dswexec.c +++ b/drivers/acpi/acpica/dswexec.c @@ -134,7 +134,7 @@ acpi_ds_get_predicate_value(struct acpi_walk_state *walk_state, * object. Implicitly convert the argument if necessary. */ status = acpi_ex_convert_to_integer(obj_desc, &local_obj_desc, - ACPI_STRTOUL_BASE16); + ACPI_IMPLICIT_CONVERSION); if (ACPI_FAILURE(status)) { goto cleanup; } diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index 229382035550..263d8fc4a9e2 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -390,8 +390,8 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list) struct acpi_gpe_handler_info *gpe_handler_info; u32 int_status = ACPI_INTERRUPT_NOT_HANDLED; u8 enabled_status_byte; - u32 status_reg; - u32 enable_reg; + u64 status_reg; + u64 enable_reg; acpi_cpu_flags flags; u32 i; u32 j; @@ -472,7 +472,7 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list) gpe_register_info->base_gpe_number, gpe_register_info->base_gpe_number + (ACPI_GPE_REGISTER_WIDTH - 1), - status_reg, enable_reg, + (u32)status_reg, (u32)enable_reg, gpe_register_info->enable_for_run, gpe_register_info->enable_for_wake)); diff --git a/drivers/acpi/acpica/exconcat.c b/drivers/acpi/acpica/exconcat.c index 76bfb7dcae2f..59b8de2f07d3 100644 --- a/drivers/acpi/acpica/exconcat.c +++ b/drivers/acpi/acpica/exconcat.c @@ -156,7 +156,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, status = acpi_ex_convert_to_integer(local_operand1, &temp_operand1, - ACPI_STRTOUL_BASE16); + ACPI_IMPLICIT_CONVERSION); break; case ACPI_TYPE_BUFFER: diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index f71028e334ee..23ebadb06a95 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -57,10 +57,10 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length); * * FUNCTION: acpi_ex_convert_to_integer * - * PARAMETERS: obj_desc - Object to be converted. Must be an - * Integer, Buffer, or String - * result_desc - Where the new Integer object is returned - * flags - Used for string conversion + * PARAMETERS: obj_desc - Object to be converted. Must be an + * Integer, Buffer, or String + * result_desc - Where the new Integer object is returned + * implicit_conversion - Used for string conversion * * RETURN: Status * @@ -70,14 +70,14 @@ acpi_ex_convert_to_ascii(u64 integer, u16 base, u8 *string, u8 max_length); acpi_status acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, - union acpi_operand_object **result_desc, u32 flags) + union acpi_operand_object **result_desc, + u32 implicit_conversion) { union acpi_operand_object *return_desc; u8 *pointer; u64 result; u32 i; u32 count; - acpi_status status; ACPI_FUNCTION_TRACE_PTR(ex_convert_to_integer, obj_desc); @@ -123,12 +123,18 @@ acpi_ex_convert_to_integer(union acpi_operand_object *obj_desc, * hexadecimal as per the ACPI specification. The only exception (as * of ACPI 3.0) is that the to_integer() operator allows both decimal * and hexadecimal strings (hex prefixed with "0x"). + * + * Explicit conversion is used only by to_integer. + * All other string-to-integer conversions are implicit conversions. */ - status = acpi_ut_strtoul64(ACPI_CAST_PTR(char, pointer), - (acpi_gbl_integer_byte_width | - flags), &result); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + if (implicit_conversion) { + result = + acpi_ut_implicit_strtoul64(ACPI_CAST_PTR + (char, pointer)); + } else { + result = + acpi_ut_explicit_strtoul64(ACPI_CAST_PTR + (char, pointer)); } break; @@ -631,7 +637,7 @@ acpi_ex_convert_to_target_type(acpi_object_type destination_type, */ status = acpi_ex_convert_to_integer(source_desc, result_desc, - ACPI_STRTOUL_BASE16); + ACPI_IMPLICIT_CONVERSION); break; case ACPI_TYPE_STRING: diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index 1e7649ce0a7b..dbad3ebd7df5 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -330,7 +330,7 @@ acpi_ex_do_logical_op(u16 opcode, case ACPI_TYPE_INTEGER: status = acpi_ex_convert_to_integer(operand1, &local_operand1, - ACPI_STRTOUL_BASE16); + ACPI_IMPLICIT_CONVERSION); break; case ACPI_TYPE_STRING: diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index c4852429e2ff..1c7c9962b0de 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -415,7 +415,7 @@ acpi_ex_resolve_operands(u16 opcode, * Known as "Implicit Source Operand Conversion" */ status = acpi_ex_convert_to_integer(obj_desc, stack_ptr, - ACPI_STRTOUL_BASE16); + ACPI_IMPLICIT_CONVERSION); if (ACPI_FAILURE(status)) { if (status == AE_TYPE) { ACPI_ERROR((AE_INFO, diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index 5eb11b30a79e..09b6822aa5cc 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -99,7 +99,7 @@ acpi_hw_low_set_gpe(struct acpi_gpe_event_info *gpe_event_info, u32 action) { struct acpi_gpe_register_info *gpe_register_info; acpi_status status = AE_OK; - u32 enable_mask; + u64 enable_mask; u32 register_bit; ACPI_FUNCTION_ENTRY(); @@ -214,7 +214,7 @@ acpi_status acpi_hw_get_gpe_status(struct acpi_gpe_event_info *gpe_event_info, acpi_event_status *event_status) { - u32 in_byte; + u64 in_byte; u32 register_bit; struct acpi_gpe_register_info *gpe_register_info; acpi_event_status local_event_status = 0; diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index acb417b58bbb..aa6e00081915 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -220,16 +220,15 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, * * RETURN: Status * - * DESCRIPTION: Read from either memory or IO space. This is a 32-bit max - * version of acpi_read, used internally since the overhead of - * 64-bit values is not needed. + * DESCRIPTION: Read from either memory or IO space. This is a 64-bit max + * version of acpi_read. * * LIMITATIONS: <These limitations also apply to acpi_hw_write> * space_ID must be system_memory or system_IO. * ******************************************************************************/ -acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) +acpi_status acpi_hw_read(u64 *value, struct acpi_generic_address *reg) { u64 address; u8 access_width; @@ -244,17 +243,17 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) /* Validate contents of the GAS register */ - status = acpi_hw_validate_register(reg, 32, &address); + status = acpi_hw_validate_register(reg, 64, &address); if (ACPI_FAILURE(status)) { return (status); } /* - * Initialize entire 32-bit return value to zero, convert access_width + * Initialize entire 64-bit return value to zero, convert access_width * into number of bits based */ *value = 0; - access_width = acpi_hw_get_access_bit_width(address, reg, 32); + access_width = acpi_hw_get_access_bit_width(address, reg, 64); bit_width = reg->bit_offset + reg->bit_width; bit_offset = reg->bit_offset; @@ -265,7 +264,7 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) index = 0; while (bit_width) { if (bit_offset >= access_width) { - value32 = 0; + value64 = 0; bit_offset -= access_width; } else { if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { @@ -276,7 +275,6 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) ACPI_DIV_8 (access_width), &value64, access_width); - value32 = (u32)value64; } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ status = acpi_hw_read_port((acpi_io_address) @@ -286,15 +284,16 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) (access_width), &value32, access_width); + value64 = (u64)value32; } } /* * Use offset style bit writes because "Index * AccessWidth" is - * ensured to be less than 32-bits by acpi_hw_validate_register(). + * ensured to be less than 64-bits by acpi_hw_validate_register(). */ ACPI_SET_BITS(value, index * access_width, - ACPI_MASK_BITS_ABOVE_32(access_width), value32); + ACPI_MASK_BITS_ABOVE_64(access_width), value64); bit_width -= bit_width > access_width ? access_width : bit_width; @@ -302,8 +301,9 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) } ACPI_DEBUG_PRINT((ACPI_DB_IO, - "Read: %8.8X width %2d from %8.8X%8.8X (%s)\n", - *value, access_width, ACPI_FORMAT_UINT64(address), + "Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n", + ACPI_FORMAT_UINT64(*value), access_width, + ACPI_FORMAT_UINT64(address), acpi_ut_get_region_name(reg->space_id))); return (status); @@ -318,20 +318,18 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) * * RETURN: Status * - * DESCRIPTION: Write to either memory or IO space. This is a 32-bit max - * version of acpi_write, used internally since the overhead of - * 64-bit values is not needed. + * DESCRIPTION: Write to either memory or IO space. This is a 64-bit max + * version of acpi_write. * ******************************************************************************/ -acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) +acpi_status acpi_hw_write(u64 value, struct acpi_generic_address *reg) { u64 address; u8 access_width; u32 bit_width; u8 bit_offset; u64 value64; - u32 value32; u8 index; acpi_status status; @@ -339,14 +337,14 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) /* Validate contents of the GAS register */ - status = acpi_hw_validate_register(reg, 32, &address); + status = acpi_hw_validate_register(reg, 64, &address); if (ACPI_FAILURE(status)) { return (status); } /* Convert access_width into number of bits based */ - access_width = acpi_hw_get_access_bit_width(address, reg, 32); + access_width = acpi_hw_get_access_bit_width(address, reg, 64); bit_width = reg->bit_offset + reg->bit_width; bit_offset = reg->bit_offset; @@ -358,16 +356,15 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) while (bit_width) { /* * Use offset style bit reads because "Index * AccessWidth" is - * ensured to be less than 32-bits by acpi_hw_validate_register(). + * ensured to be less than 64-bits by acpi_hw_validate_register(). */ - value32 = ACPI_GET_BITS(&value, index * access_width, - ACPI_MASK_BITS_ABOVE_32(access_width)); + value64 = ACPI_GET_BITS(&value, index * access_width, + ACPI_MASK_BITS_ABOVE_64(access_width)); if (bit_offset >= access_width) { bit_offset -= access_width; } else { if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - value64 = (u64)value32; status = acpi_os_write_memory((acpi_physical_address) address + @@ -382,7 +379,7 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) index * ACPI_DIV_8 (access_width), - value32, + (u32)value64, access_width); } } @@ -397,8 +394,9 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) } ACPI_DEBUG_PRINT((ACPI_DB_IO, - "Wrote: %8.8X width %2d to %8.8X%8.8X (%s)\n", - value, access_width, ACPI_FORMAT_UINT64(address), + "Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n", + ACPI_FORMAT_UINT64(value), access_width, + ACPI_FORMAT_UINT64(address), acpi_ut_get_region_name(reg->space_id))); return (status); @@ -526,6 +524,7 @@ acpi_status acpi_hw_write_pm1_control(u32 pm1a_control, u32 pm1b_control) acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value) { u32 value = 0; + u64 value64; acpi_status status; ACPI_FUNCTION_TRACE(hw_register_read); @@ -564,12 +563,14 @@ acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value) case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */ status = - acpi_hw_read(&value, &acpi_gbl_FADT.xpm2_control_block); + acpi_hw_read(&value64, &acpi_gbl_FADT.xpm2_control_block); + value = (u32)value64; break; case ACPI_REGISTER_PM_TIMER: /* 32-bit access */ - status = acpi_hw_read(&value, &acpi_gbl_FADT.xpm_timer_block); + status = acpi_hw_read(&value64, &acpi_gbl_FADT.xpm_timer_block); + value = (u32)value64; break; case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */ @@ -586,7 +587,7 @@ acpi_status acpi_hw_register_read(u32 register_id, u32 *return_value) } if (ACPI_SUCCESS(status)) { - *return_value = value; + *return_value = (u32)value; } return_ACPI_STATUS(status); @@ -622,6 +623,7 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value) { acpi_status status; u32 read_value; + u64 read_value64; ACPI_FUNCTION_TRACE(hw_register_write); @@ -685,11 +687,12 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value) * as per the ACPI spec. */ status = - acpi_hw_read(&read_value, + acpi_hw_read(&read_value64, &acpi_gbl_FADT.xpm2_control_block); if (ACPI_FAILURE(status)) { goto exit; } + read_value = (u32)read_value64; /* Insert the bits to be preserved */ @@ -745,22 +748,25 @@ acpi_hw_read_multiple(u32 *value, { u32 value_a = 0; u32 value_b = 0; + u64 value64; acpi_status status; /* The first register is always required */ - status = acpi_hw_read(&value_a, register_a); + status = acpi_hw_read(&value64, register_a); if (ACPI_FAILURE(status)) { return (status); } + value_a = (u32)value64; /* Second register is optional */ if (register_b->address) { - status = acpi_hw_read(&value_b, register_b); + status = acpi_hw_read(&value64, register_b); if (ACPI_FAILURE(status)) { return (status); } + value_b = (u32)value64; } /* diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c index b3c5d8c754bb..a2f4e25d45b1 100644 --- a/drivers/acpi/acpica/hwtimer.c +++ b/drivers/acpi/acpica/hwtimer.c @@ -94,6 +94,7 @@ ACPI_EXPORT_SYMBOL(acpi_get_timer_resolution) acpi_status acpi_get_timer(u32 * ticks) { acpi_status status; + u64 timer_value; ACPI_FUNCTION_TRACE(acpi_get_timer); @@ -107,7 +108,14 @@ acpi_status acpi_get_timer(u32 * ticks) return_ACPI_STATUS(AE_SUPPORT); } - status = acpi_hw_read(ticks, &acpi_gbl_FADT.xpm_timer_block); + status = acpi_hw_read(&timer_value, &acpi_gbl_FADT.xpm_timer_block); + if (ACPI_SUCCESS(status)) { + + /* ACPI PM Timer is defined to be 32 bits (PM_TMR_LEN) */ + + *ticks = (u32)timer_value; + } + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index 34684ae89981..b3c6e439933c 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -125,76 +125,12 @@ ACPI_EXPORT_SYMBOL(acpi_reset) ******************************************************************************/ acpi_status acpi_read(u64 *return_value, struct acpi_generic_address *reg) { - u32 value_lo; - u32 value_hi; - u32 width; - u64 address; acpi_status status; ACPI_FUNCTION_NAME(acpi_read); - if (!return_value) { - return (AE_BAD_PARAMETER); - } - - /* Validate contents of the GAS register. Allow 64-bit transfers */ - - status = acpi_hw_validate_register(reg, 64, &address); - if (ACPI_FAILURE(status)) { - return (status); - } - - /* - * Two address spaces supported: Memory or I/O. PCI_Config is - * not supported here because the GAS structure is insufficient - */ - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - status = acpi_os_read_memory((acpi_physical_address) - address, return_value, - reg->bit_width); - if (ACPI_FAILURE(status)) { - return (status); - } - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - - value_lo = 0; - value_hi = 0; - - width = reg->bit_width; - if (width == 64) { - width = 32; /* Break into two 32-bit transfers */ - } - - status = acpi_hw_read_port((acpi_io_address) - address, &value_lo, width); - if (ACPI_FAILURE(status)) { - return (status); - } - - if (reg->bit_width == 64) { - - /* Read the top 32 bits */ - - status = acpi_hw_read_port((acpi_io_address) - (address + 4), &value_hi, - 32); - if (ACPI_FAILURE(status)) { - return (status); - } - } - - /* Set the return value only if status is AE_OK */ - - *return_value = (value_lo | ((u64)value_hi << 32)); - } - - ACPI_DEBUG_PRINT((ACPI_DB_IO, - "Read: %8.8X%8.8X width %2d from %8.8X%8.8X (%s)\n", - ACPI_FORMAT_UINT64(*return_value), reg->bit_width, - ACPI_FORMAT_UINT64(address), - acpi_ut_get_region_name(reg->space_id))); - - return (AE_OK); + status = acpi_hw_read(return_value, reg); + return (status); } ACPI_EXPORT_SYMBOL(acpi_read) @@ -213,59 +149,11 @@ ACPI_EXPORT_SYMBOL(acpi_read) ******************************************************************************/ acpi_status acpi_write(u64 value, struct acpi_generic_address *reg) { - u32 width; - u64 address; acpi_status status; ACPI_FUNCTION_NAME(acpi_write); - /* Validate contents of the GAS register. Allow 64-bit transfers */ - - status = acpi_hw_validate_register(reg, 64, &address); - if (ACPI_FAILURE(status)) { - return (status); - } - - /* - * Two address spaces supported: Memory or IO. PCI_Config is - * not supported here because the GAS structure is insufficient - */ - if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { - status = acpi_os_write_memory((acpi_physical_address) - address, value, reg->bit_width); - if (ACPI_FAILURE(status)) { - return (status); - } - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - - width = reg->bit_width; - if (width == 64) { - width = 32; /* Break into two 32-bit transfers */ - } - - status = acpi_hw_write_port((acpi_io_address) - address, ACPI_LODWORD(value), - width); - if (ACPI_FAILURE(status)) { - return (status); - } - - if (reg->bit_width == 64) { - status = acpi_hw_write_port((acpi_io_address) - (address + 4), - ACPI_HIDWORD(value), 32); - if (ACPI_FAILURE(status)) { - return (status); - } - } - } - - ACPI_DEBUG_PRINT((ACPI_DB_IO, - "Wrote: %8.8X%8.8X width %2d to %8.8X%8.8X (%s)\n", - ACPI_FORMAT_UINT64(value), reg->bit_width, - ACPI_FORMAT_UINT64(address), - acpi_ut_get_region_name(reg->space_id))); - + status = acpi_hw_write(value, reg); return (status); } diff --git a/drivers/acpi/acpica/nsconvert.c b/drivers/acpi/acpica/nsconvert.c index e4a7da8a11f0..539d775bbc92 100644 --- a/drivers/acpi/acpica/nsconvert.c +++ b/drivers/acpi/acpica/nsconvert.c @@ -78,8 +78,8 @@ acpi_ns_convert_to_integer(union acpi_operand_object *original_object, /* String-to-Integer conversion */ - status = acpi_ut_strtoul64(original_object->string.pointer, - acpi_gbl_integer_byte_width, &value); + status = + acpi_ut_strtoul64(original_object->string.pointer, &value); if (ACPI_FAILURE(status)) { return (status); } diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 26ad596c973e..5ecb8d2e6834 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -173,10 +173,13 @@ acpi_status ACPI_INIT_FUNCTION acpi_reallocate_root_table(void) ACPI_FUNCTION_TRACE(acpi_reallocate_root_table); /* - * Only reallocate the root table if the host provided a static buffer - * for the table array in the call to acpi_initialize_tables. + * If there are tables unverified, it is required to reallocate the + * root table list to clean up invalid table entries. Otherwise only + * reallocate the root table list if the host provided a static buffer + * for the table array in the call to acpi_initialize_tables(). */ - if (acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) { + if ((acpi_gbl_root_table_list.flags & ACPI_ROOT_ORIGIN_ALLOCATED) && + acpi_gbl_enable_table_validation) { return_ACPI_STATUS(AE_SUPPORT); } diff --git a/drivers/acpi/acpica/utstrsuppt.c b/drivers/acpi/acpica/utstrsuppt.c new file mode 100644 index 000000000000..965fb5cec94f --- /dev/null +++ b/drivers/acpi/acpica/utstrsuppt.c @@ -0,0 +1,438 @@ +/******************************************************************************* + * + * Module Name: utstrsuppt - Support functions for string-to-integer conversion + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2017, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utstrsuppt") + +/* Local prototypes */ +static acpi_status +acpi_ut_insert_digit(u64 *accumulated_value, u32 base, int ascii_digit); + +static acpi_status +acpi_ut_strtoul_multiply64(u64 multiplicand, u64 multiplier, u64 *out_product); + +static acpi_status +acpi_ut_strtoul_add64(u64 addend1, u64 addend2, u64 *out_sum); + +/******************************************************************************* + * + * FUNCTION: acpi_ut_convert_octal_string + * + * PARAMETERS: string - Null terminated input string + * return_value_ptr - Where the converted value is returned + * + * RETURN: Status and 64-bit converted integer + * + * DESCRIPTION: Performs a base 8 conversion of the input string to an + * integer value, either 32 or 64 bits. + * + * NOTE: Maximum 64-bit unsigned octal value is 01777777777777777777777 + * Maximum 32-bit unsigned octal value is 037777777777 + * + ******************************************************************************/ + +acpi_status acpi_ut_convert_octal_string(char *string, u64 *return_value_ptr) +{ + u64 accumulated_value = 0; + acpi_status status = AE_OK; + + /* Convert each ASCII byte in the input string */ + + while (*string) { + + /* Character must be ASCII 0-7, otherwise terminate with no error */ + + if (!(ACPI_IS_OCTAL_DIGIT(*string))) { + break; + } + + /* Convert and insert this octal digit into the accumulator */ + + status = acpi_ut_insert_digit(&accumulated_value, 8, *string); + if (ACPI_FAILURE(status)) { + status = AE_OCTAL_OVERFLOW; + break; + } + + string++; + } + + /* Always return the value that has been accumulated */ + + *return_value_ptr = accumulated_value; + return (status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_convert_decimal_string + * + * PARAMETERS: string - Null terminated input string + * return_value_ptr - Where the converted value is returned + * + * RETURN: Status and 64-bit converted integer + * + * DESCRIPTION: Performs a base 10 conversion of the input string to an + * integer value, either 32 or 64 bits. + * + * NOTE: Maximum 64-bit unsigned decimal value is 18446744073709551615 + * Maximum 32-bit unsigned decimal value is 4294967295 + * + ******************************************************************************/ + +acpi_status acpi_ut_convert_decimal_string(char *string, u64 *return_value_ptr) +{ + u64 accumulated_value = 0; + acpi_status status = AE_OK; + + /* Convert each ASCII byte in the input string */ + + while (*string) { + + /* Character must be ASCII 0-9, otherwise terminate with no error */ + + if (!isdigit(*string)) { + break; + } + + /* Convert and insert this decimal digit into the accumulator */ + + status = acpi_ut_insert_digit(&accumulated_value, 10, *string); + if (ACPI_FAILURE(status)) { + status = AE_DECIMAL_OVERFLOW; + break; + } + + string++; + } + + /* Always return the value that has been accumulated */ + + *return_value_ptr = accumulated_value; + return (status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_convert_hex_string + * + * PARAMETERS: string - Null terminated input string + * return_value_ptr - Where the converted value is returned + * + * RETURN: Status and 64-bit converted integer + * + * DESCRIPTION: Performs a base 16 conversion of the input string to an + * integer value, either 32 or 64 bits. + * + * NOTE: Maximum 64-bit unsigned hex value is 0xFFFFFFFFFFFFFFFF + * Maximum 32-bit unsigned hex value is 0xFFFFFFFF + * + ******************************************************************************/ + +acpi_status acpi_ut_convert_hex_string(char *string, u64 *return_value_ptr) +{ + u64 accumulated_value = 0; + acpi_status status = AE_OK; + + /* Convert each ASCII byte in the input string */ + + while (*string) { + + /* Must be ASCII A-F, a-f, or 0-9, otherwise terminate with no error */ + + if (!isxdigit(*string)) { + break; + } + + /* Convert and insert this hex digit into the accumulator */ + + status = acpi_ut_insert_digit(&accumulated_value, 16, *string); + if (ACPI_FAILURE(status)) { + status = AE_HEX_OVERFLOW; + break; + } + + string++; + } + + /* Always return the value that has been accumulated */ + + *return_value_ptr = accumulated_value; + return (status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_remove_leading_zeros + * + * PARAMETERS: string - Pointer to input ASCII string + * + * RETURN: Next character after any leading zeros. This character may be + * used by the caller to detect end-of-string. + * + * DESCRIPTION: Remove any leading zeros in the input string. Return the + * next character after the final ASCII zero to enable the caller + * to check for the end of the string (NULL terminator). + * + ******************************************************************************/ + +char acpi_ut_remove_leading_zeros(char **string) +{ + + while (**string == ACPI_ASCII_ZERO) { + *string += 1; + } + + return (**string); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_remove_whitespace + * + * PARAMETERS: string - Pointer to input ASCII string + * + * RETURN: Next character after any whitespace. This character may be + * used by the caller to detect end-of-string. + * + * DESCRIPTION: Remove any leading whitespace in the input string. Return the + * next character after the final ASCII zero to enable the caller + * to check for the end of the string (NULL terminator). + * + ******************************************************************************/ + +char acpi_ut_remove_whitespace(char **string) +{ + + while (isspace((u8)**string)) { + *string += 1; + } + + return (**string); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_detect_hex_prefix + * + * PARAMETERS: string - Pointer to input ASCII string + * + * RETURN: TRUE if a "0x" prefix was found at the start of the string + * + * DESCRIPTION: Detect and remove a hex "0x" prefix + * + ******************************************************************************/ + +u8 acpi_ut_detect_hex_prefix(char **string) +{ + + if ((**string == ACPI_ASCII_ZERO) && + (tolower((int)*(*string + 1)) == 'x')) { + *string += 2; /* Go past the leading 0x */ + return (TRUE); + } + + return (FALSE); /* Not a hex string */ +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_detect_octal_prefix + * + * PARAMETERS: string - Pointer to input ASCII string + * + * RETURN: True if an octal "0" prefix was found at the start of the + * string + * + * DESCRIPTION: Detect and remove an octal prefix (zero) + * + ******************************************************************************/ + +u8 acpi_ut_detect_octal_prefix(char **string) +{ + + if (**string == ACPI_ASCII_ZERO) { + *string += 1; /* Go past the leading 0 */ + return (TRUE); + } + + return (FALSE); /* Not an octal string */ +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_insert_digit + * + * PARAMETERS: accumulated_value - Current value of the integer value + * accumulator. The new value is + * returned here. + * base - Radix, either 8/10/16 + * ascii_digit - ASCII single digit to be inserted + * + * RETURN: Status and result of the convert/insert operation. The only + * possible returned exception code is numeric overflow of + * either the multiply or add conversion operations. + * + * DESCRIPTION: Generic conversion and insertion function for all bases: + * + * 1) Multiply the current accumulated/converted value by the + * base in order to make room for the new character. + * + * 2) Convert the new character to binary and add it to the + * current accumulated value. + * + * Note: The only possible exception indicates an integer + * overflow (AE_NUMERIC_OVERFLOW) + * + ******************************************************************************/ + +static acpi_status +acpi_ut_insert_digit(u64 *accumulated_value, u32 base, int ascii_digit) +{ + acpi_status status; + u64 product; + + /* Make room in the accumulated value for the incoming digit */ + + status = acpi_ut_strtoul_multiply64(*accumulated_value, base, &product); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Add in the new digit, and store the sum to the accumulated value */ + + status = + acpi_ut_strtoul_add64(product, + acpi_ut_ascii_char_to_hex(ascii_digit), + accumulated_value); + + return (status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strtoul_multiply64 + * + * PARAMETERS: multiplicand - Current accumulated converted integer + * multiplier - Base/Radix + * out_product - Where the product is returned + * + * RETURN: Status and 64-bit product + * + * DESCRIPTION: Multiply two 64-bit values, with checking for 64-bit overflow as + * well as 32-bit overflow if necessary (if the current global + * integer width is 32). + * + ******************************************************************************/ + +static acpi_status +acpi_ut_strtoul_multiply64(u64 multiplicand, u64 multiplier, u64 *out_product) +{ + u64 val; + + /* Exit if either operand is zero */ + + *out_product = 0; + if (!multiplicand || !multiplier) { + return (AE_OK); + } + + /* Check for 64-bit overflow before the actual multiplication */ + + acpi_ut_short_divide(ACPI_UINT64_MAX, (u32)multiplier, &val, NULL); + if (multiplicand > val) { + return (AE_NUMERIC_OVERFLOW); + } + + val = multiplicand * multiplier; + + /* Check for 32-bit overflow if necessary */ + + if ((acpi_gbl_integer_bit_width == 32) && (val > ACPI_UINT32_MAX)) { + return (AE_NUMERIC_OVERFLOW); + } + + *out_product = val; + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_strtoul_add64 + * + * PARAMETERS: addend1 - Current accumulated converted integer + * addend2 - New hex value/char + * out_sum - Where sum is returned (Accumulator) + * + * RETURN: Status and 64-bit sum + * + * DESCRIPTION: Add two 64-bit values, with checking for 64-bit overflow as + * well as 32-bit overflow if necessary (if the current global + * integer width is 32). + * + ******************************************************************************/ + +static acpi_status acpi_ut_strtoul_add64(u64 addend1, u64 addend2, u64 *out_sum) +{ + u64 sum; + + /* Check for 64-bit overflow before the actual addition */ + + if ((addend1 > 0) && (addend2 > (ACPI_UINT64_MAX - addend1))) { + return (AE_NUMERIC_OVERFLOW); + } + + sum = addend1 + addend2; + + /* Check for 32-bit overflow if necessary */ + + if ((acpi_gbl_integer_bit_width == 32) && (sum > ACPI_UINT32_MAX)) { + return (AE_NUMERIC_OVERFLOW); + } + + *out_sum = sum; + return (AE_OK); +} diff --git a/drivers/acpi/acpica/utstrtoul64.c b/drivers/acpi/acpica/utstrtoul64.c index 9633ee142855..e2067dcb9389 100644 --- a/drivers/acpi/acpica/utstrtoul64.c +++ b/drivers/acpi/acpica/utstrtoul64.c @@ -1,6 +1,7 @@ /******************************************************************************* * - * Module Name: utstrtoul64 - string to 64-bit integer support + * Module Name: utstrtoul64 - String-to-integer conversion support for both + * 64-bit and 32-bit integers * ******************************************************************************/ @@ -44,304 +45,319 @@ #include <acpi/acpi.h> #include "accommon.h" -/******************************************************************************* - * - * The functions in this module satisfy the need for 64-bit string-to-integer - * conversions on both 32-bit and 64-bit platforms. - * - ******************************************************************************/ - #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utstrtoul64") -/* Local prototypes */ -static u64 acpi_ut_strtoul_base10(char *string, u32 flags); - -static u64 acpi_ut_strtoul_base16(char *string, u32 flags); - /******************************************************************************* * - * String conversion rules as written in the ACPI specification. The error - * conditions and behavior are different depending on the type of conversion. - * - * - * Implicit data type conversion: string-to-integer - * -------------------------------------------------- - * - * Base is always 16. This is the ACPI_STRTOUL_BASE16 case. - * - * Example: - * Add ("BA98", Arg0, Local0) - * - * The integer is initialized to the value zero. - * The ASCII string is interpreted as a hexadecimal constant. + * This module contains the top-level string to 64/32-bit unsigned integer + * conversion functions: * - * 1) A "0x" prefix is not allowed. However, ACPICA allows this for - * compatibility with previous ACPICA. (NO ERROR) + * 1) A standard strtoul() function that supports 64-bit integers, base + * 8/10/16, with integer overflow support. This is used mainly by the + * iASL compiler, which implements tighter constraints on integer + * constants than the runtime (interpreter) integer-to-string conversions. + * 2) Runtime "Explicit conversion" as defined in the ACPI specification. + * 3) Runtime "Implicit conversion" as defined in the ACPI specification. * - * 2) Terminates when the size of an integer is reached (32 or 64 bits). - * (NO ERROR) + * Current users of this module: * - * 3) The first non-hex character terminates the conversion without error. - * (NO ERROR) - * - * 4) Conversion of a null (zero-length) string to an integer is not - * allowed. However, ACPICA allows this for compatibility with previous - * ACPICA. This conversion returns the value 0. (NO ERROR) - * - * - * Explicit data type conversion: to_integer() with string operand - * --------------------------------------------------------------- - * - * Base is either 10 (default) or 16 (with 0x prefix) - * - * Examples: - * to_integer ("1000") - * to_integer ("0xABCD") - * - * 1) Can be (must be) either a decimal or hexadecimal numeric string. - * A hex value must be prefixed by "0x" or it is interpreted as a decimal. + * iASL - Preprocessor (constants and math expressions) + * iASL - Main parser, conversion of constants to integers + * iASL - Data Table Compiler parser (constants and math expressions) + * interpreter - Implicit and explicit conversions, GPE method names + * interpreter - Repair code for return values from predefined names + * debugger - Command line input string conversion + * acpi_dump - ACPI table physical addresses + * acpi_exec - Support for namespace overrides * - * 2) The value must not exceed the maximum of an integer value. ACPI spec - * states the behavior is "unpredictable", so ACPICA matches the behavior - * of the implicit conversion case.(NO ERROR) + * Notes concerning users of these interfaces: * - * 3) Behavior on the first non-hex character is not specified by the ACPI - * spec, so ACPICA matches the behavior of the implicit conversion case - * and terminates. (NO ERROR) + * acpi_gbl_integer_byte_width is used to set the 32/64 bit limit for explicit + * and implicit conversions. This global must be set to the proper width. + * For the core ACPICA code, the width depends on the DSDT version. For the + * acpi_ut_strtoul64 interface, all conversions are 64 bits. This interface is + * used primarily for iASL, where the default width is 64 bits for all parsers, + * but error checking is performed later to flag cases where a 64-bit constant + * is wrongly defined in a 32-bit DSDT/SSDT. * - * 4) A null (zero-length) string is illegal. - * However, ACPICA allows this for compatibility with previous ACPICA. - * This conversion returns the value 0. (NO ERROR) + * In ACPI, the only place where octal numbers are supported is within + * the ASL language itself. This is implemented via the main acpi_ut_strtoul64 + * interface. According the ACPI specification, there is no ACPI runtime + * support (explicit/implicit) for octal string conversions. * ******************************************************************************/ - /******************************************************************************* * * FUNCTION: acpi_ut_strtoul64 * - * PARAMETERS: string - Null terminated input string - * flags - Conversion info, see below + * PARAMETERS: string - Null terminated input string, + * must be a valid pointer * return_value - Where the converted integer is - * returned - * - * RETURN: Status and Converted value + * returned. Must be a valid pointer * - * DESCRIPTION: Convert a string into an unsigned value. Performs either a - * 32-bit or 64-bit conversion, depending on the input integer - * size in Flags (often the current mode of the interpreter). + * RETURN: Status and converted integer. Returns an exception on a + * 64-bit numeric overflow * - * Values for Flags: - * ACPI_STRTOUL_32BIT - Max integer value is 32 bits - * ACPI_STRTOUL_64BIT - Max integer value is 64 bits - * ACPI_STRTOUL_BASE16 - Input string is hexadecimal. Default - * is 10/16 based on string prefix (0x). + * DESCRIPTION: Convert a string into an unsigned integer. Always performs a + * full 64-bit conversion, regardless of the current global + * integer width. Supports Decimal, Hex, and Octal strings. * - * NOTES: - * Negative numbers are not supported, as they are not supported by ACPI. + * Current users of this function: * - * Supports only base 16 or base 10 strings/values. Does not - * support Octal strings, as these are not supported by ACPI. - * - * Current users of this support: - * - * interpreter - Implicit and explicit conversions, GPE method names - * debugger - Command line input string conversion - * iASL - Main parser, conversion of constants to integers - * iASL - Data Table Compiler parser (constant math expressions) - * iASL - Preprocessor (constant math expressions) - * acpi_dump - Input table addresses - * acpi_exec - Testing of the acpi_ut_strtoul64 function - * - * Note concerning callers: - * acpi_gbl_integer_byte_width can be used to set the 32/64 limit. If used, - * this global should be set to the proper width. For the core ACPICA code, - * this width depends on the DSDT version. For iASL, the default byte - * width is always 8 for the parser, but error checking is performed later - * to flag cases where a 64-bit constant is defined in a 32-bit DSDT/SSDT. + * iASL - Preprocessor (constants and math expressions) + * iASL - Main ASL parser, conversion of ASL constants to integers + * iASL - Data Table Compiler parser (constants and math expressions) + * interpreter - Repair code for return values from predefined names + * acpi_dump - ACPI table physical addresses + * acpi_exec - Support for namespace overrides * ******************************************************************************/ - -acpi_status acpi_ut_strtoul64(char *string, u32 flags, u64 *return_value) +acpi_status acpi_ut_strtoul64(char *string, u64 *return_value) { acpi_status status = AE_OK; - u32 base; + u8 original_bit_width; + u32 base = 10; /* Default is decimal */ ACPI_FUNCTION_TRACE_STR(ut_strtoul64, string); - /* Parameter validation */ - - if (!string || !return_value) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - *return_value = 0; - /* Check for zero-length string, returns 0 */ + /* A NULL return string returns a value of zero */ if (*string == 0) { return_ACPI_STATUS(AE_OK); } - /* Skip over any white space at start of string */ - - while (isspace((int)*string)) { - string++; - } - - /* End of string? return 0 */ - - if (*string == 0) { + if (!acpi_ut_remove_whitespace(&string)) { return_ACPI_STATUS(AE_OK); } /* - * 1) The "0x" prefix indicates base 16. Per the ACPI specification, - * the "0x" prefix is only allowed for implicit (non-strict) conversions. - * However, we always allow it for compatibility with older ACPICA. + * 1) Check for a hex constant. A "0x" prefix indicates base 16. */ - if ((*string == ACPI_ASCII_ZERO) && - (tolower((int)*(string + 1)) == 'x')) { - string += 2; /* Go past the 0x */ - if (*string == 0) { - return_ACPI_STATUS(AE_OK); /* Return value 0 */ - } - + if (acpi_ut_detect_hex_prefix(&string)) { base = 16; } - /* 2) Force to base 16 (implicit conversion case) */ - - else if (flags & ACPI_STRTOUL_BASE16) { - base = 16; + /* + * 2) Check for an octal constant, defined to be a leading zero + * followed by sequence of octal digits (0-7) + */ + else if (acpi_ut_detect_octal_prefix(&string)) { + base = 8; } - /* 3) Default fallback is to Base 10 */ - - else { - base = 10; + if (!acpi_ut_remove_leading_zeros(&string)) { + return_ACPI_STATUS(AE_OK); /* Return value 0 */ } - /* Skip all leading zeros */ + /* + * Force a full 64-bit conversion. The caller (usually iASL) must + * check for a 32-bit overflow later as necessary (If current mode + * is 32-bit, meaning a 32-bit DSDT). + */ + original_bit_width = acpi_gbl_integer_bit_width; + acpi_gbl_integer_bit_width = 64; - while (*string == ACPI_ASCII_ZERO) { - string++; - if (*string == 0) { - return_ACPI_STATUS(AE_OK); /* Return value 0 */ - } + /* + * Perform the base 8, 10, or 16 conversion. A 64-bit numeric overflow + * will return an exception (to allow iASL to flag the statement). + */ + switch (base) { + case 8: + status = acpi_ut_convert_octal_string(string, return_value); + break; + + case 10: + status = acpi_ut_convert_decimal_string(string, return_value); + break; + + case 16: + default: + status = acpi_ut_convert_hex_string(string, return_value); + break; } - /* Perform the base 16 or 10 conversion */ - - if (base == 16) { - *return_value = acpi_ut_strtoul_base16(string, flags); - } else { - *return_value = acpi_ut_strtoul_base10(string, flags); - } + /* Only possible exception from above is a 64-bit overflow */ + acpi_gbl_integer_bit_width = original_bit_width; return_ACPI_STATUS(status); } /******************************************************************************* * - * FUNCTION: acpi_ut_strtoul_base10 + * FUNCTION: acpi_ut_implicit_strtoul64 + * + * PARAMETERS: string - Null terminated input string, + * must be a valid pointer + * + * RETURN: Converted integer + * + * DESCRIPTION: Perform a 64-bit conversion with restrictions placed upon + * an "implicit conversion" by the ACPI specification. Used by + * many ASL operators that require an integer operand, and support + * an automatic (implicit) conversion from a string operand + * to the final integer operand. The major restriction is that + * only hex strings are supported. + * + * ----------------------------------------------------------------------------- + * + * Base is always 16, either with or without the 0x prefix. Decimal and + * Octal strings are not supported, as per the ACPI specification. + * + * Examples (both are hex values): + * Add ("BA98", Arg0, Local0) + * Subtract ("0x12345678", Arg1, Local1) + * + * Conversion rules as extracted from the ACPI specification: + * + * The converted integer is initialized to the value zero. + * The ASCII string is always interpreted as a hexadecimal constant. + * + * 1) According to the ACPI specification, a "0x" prefix is not allowed. + * However, ACPICA allows this as an ACPI extension on general + * principle. (NO ERROR) + * + * 2) The conversion terminates when the size of an integer is reached + * (32 or 64 bits). There are no numeric overflow conditions. (NO ERROR) + * + * 3) The first non-hex character terminates the conversion and returns + * the current accumulated value of the converted integer (NO ERROR). * - * PARAMETERS: string - Null terminated input string - * flags - Conversion info + * 4) Conversion of a null (zero-length) string to an integer is + * technically not allowed. However, ACPICA allows this as an ACPI + * extension. The conversion returns the value 0. (NO ERROR) * - * RETURN: 64-bit converted integer + * NOTE: There are no error conditions returned by this function. At + * the minimum, a value of zero is returned. * - * DESCRIPTION: Performs a base 10 conversion of the input string to an - * integer value, either 32 or 64 bits. - * Note: String must be valid and non-null. + * Current users of this function: + * + * interpreter - All runtime implicit conversions, as per ACPI specification + * iASL - Data Table Compiler parser (constants and math expressions) * ******************************************************************************/ -static u64 acpi_ut_strtoul_base10(char *string, u32 flags) +u64 acpi_ut_implicit_strtoul64(char *string) { - int ascii_digit; - u64 next_value; - u64 return_value = 0; - - /* Main loop: convert each ASCII byte in the input string */ - - while (*string) { - ascii_digit = *string; - if (!isdigit(ascii_digit)) { - - /* Not ASCII 0-9, terminate */ - - goto exit; - } - - /* Convert and insert (add) the decimal digit */ + u64 converted_integer = 0; - acpi_ut_short_multiply(return_value, 10, &next_value); - next_value += (ascii_digit - ACPI_ASCII_ZERO); + ACPI_FUNCTION_TRACE_STR(ut_implicit_strtoul64, string); - /* Check for overflow (32 or 64 bit) - return current converted value */ + if (!acpi_ut_remove_whitespace(&string)) { + return_VALUE(0); + } - if (((flags & ACPI_STRTOUL_32BIT) && (next_value > ACPI_UINT32_MAX)) || (next_value < return_value)) { /* 64-bit overflow case */ - goto exit; - } + /* + * Per the ACPI specification, only hexadecimal is supported for + * implicit conversions, and the "0x" prefix is "not allowed". + * However, allow a "0x" prefix as an ACPI extension. + */ + acpi_ut_detect_hex_prefix(&string); - return_value = next_value; - string++; + if (!acpi_ut_remove_leading_zeros(&string)) { + return_VALUE(0); } -exit: - return (return_value); + /* + * Ignore overflow as per the ACPI specification. This is implemented by + * ignoring the return status from the conversion function called below. + * On overflow, the input string is simply truncated. + */ + acpi_ut_convert_hex_string(string, &converted_integer); + return_VALUE(converted_integer); } /******************************************************************************* * - * FUNCTION: acpi_ut_strtoul_base16 + * FUNCTION: acpi_ut_explicit_strtoul64 + * + * PARAMETERS: string - Null terminated input string, + * must be a valid pointer * - * PARAMETERS: string - Null terminated input string - * flags - conversion info + * RETURN: Converted integer * - * RETURN: 64-bit converted integer + * DESCRIPTION: Perform a 64-bit conversion with the restrictions placed upon + * an "explicit conversion" by the ACPI specification. The + * main restriction is that only hex and decimal are supported. * - * DESCRIPTION: Performs a base 16 conversion of the input string to an - * integer value, either 32 or 64 bits. - * Note: String must be valid and non-null. + * ----------------------------------------------------------------------------- + * + * Base is either 10 (default) or 16 (with 0x prefix). Octal (base 8) strings + * are not supported, as per the ACPI specification. + * + * Examples: + * to_integer ("1000") Decimal + * to_integer ("0xABCD") Hex + * + * Conversion rules as extracted from the ACPI specification: + * + * 1) The input string is either a decimal or hexadecimal numeric string. + * A hex value must be prefixed by "0x" or it is interpreted as decimal. + * + * 2) The value must not exceed the maximum of an integer value + * (32 or 64 bits). The ACPI specification states the behavior is + * "unpredictable", so ACPICA matches the behavior of the implicit + * conversion case. There are no numeric overflow conditions. (NO ERROR) + * + * 3) Behavior on the first non-hex character is not defined by the ACPI + * specification (for the to_integer operator), so ACPICA matches the + * behavior of the implicit conversion case. It terminates the + * conversion and returns the current accumulated value of the converted + * integer. (NO ERROR) + * + * 4) Conversion of a null (zero-length) string to an integer is + * technically not allowed. However, ACPICA allows this as an ACPI + * extension. The conversion returns the value 0. (NO ERROR) + * + * NOTE: There are no error conditions returned by this function. At the + * minimum, a value of zero is returned. + * + * Current users of this function: + * + * interpreter - Runtime ASL to_integer operator, as per the ACPI specification * ******************************************************************************/ -static u64 acpi_ut_strtoul_base16(char *string, u32 flags) +u64 acpi_ut_explicit_strtoul64(char *string) { - int ascii_digit; - u32 valid_digits = 1; - u64 return_value = 0; - - /* Main loop: convert each ASCII byte in the input string */ + u64 converted_integer = 0; + u32 base = 10; /* Default is decimal */ - while (*string) { + ACPI_FUNCTION_TRACE_STR(ut_explicit_strtoul64, string); - /* Check for overflow (32 or 64 bit) - return current converted value */ - - if ((valid_digits > 16) || - ((valid_digits > 8) && (flags & ACPI_STRTOUL_32BIT))) { - goto exit; - } - - ascii_digit = *string; - if (!isxdigit(ascii_digit)) { - - /* Not Hex ASCII A-F, a-f, or 0-9, terminate */ - - goto exit; - } + if (!acpi_ut_remove_whitespace(&string)) { + return_VALUE(0); + } - /* Convert and insert the hex digit */ + /* + * Only Hex and Decimal are supported, as per the ACPI specification. + * A "0x" prefix indicates hex; otherwise decimal is assumed. + */ + if (acpi_ut_detect_hex_prefix(&string)) { + base = 16; + } - acpi_ut_short_shift_left(return_value, 4, &return_value); - return_value |= acpi_ut_ascii_char_to_hex(ascii_digit); + if (!acpi_ut_remove_leading_zeros(&string)) { + return_VALUE(0); + } - string++; - valid_digits++; + /* + * Ignore overflow as per the ACPI specification. This is implemented by + * ignoring the return status from the conversion functions called below. + * On overflow, the input string is simply truncated. + */ + switch (base) { + case 10: + default: + acpi_ut_convert_decimal_string(string, &converted_integer); + break; + + case 16: + acpi_ut_convert_hex_string(string, &converted_integer); + break; } -exit: - return (return_value); + return_VALUE(converted_integer); } diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index de14d49a5c90..52ae5438edeb 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config HAVE_ACPI_APEI bool diff --git a/drivers/acpi/apei/Makefile b/drivers/acpi/apei/Makefile index e50573de25f1..4dfac2128737 100644 --- a/drivers/acpi/apei/Makefile +++ b/drivers/acpi/apei/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ACPI_APEI) += apei.o obj-$(CONFIG_ACPI_APEI_GHES) += ghes.o obj-$(CONFIG_ACPI_APEI_EINJ) += einj.o diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h index cb4126051f62..1d6ef9654725 100644 --- a/drivers/acpi/apei/apei-internal.h +++ b/drivers/acpi/apei/apei-internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * apei-internal.h - ACPI Platform Error Interface internal * definitions. diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 2c462beee551..6742f6c68034 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -1061,7 +1061,7 @@ static int erst_writer(struct pstore_record *record) rcd->hdr.error_severity = CPER_SEV_FATAL; /* timestamp valid. platform_id, partition_id are invalid */ rcd->hdr.validation_bits = CPER_VALID_TIMESTAMP; - rcd->hdr.timestamp = get_seconds(); + rcd->hdr.timestamp = ktime_get_real_seconds(); rcd->hdr.record_length = sizeof(*rcd) + record->size; rcd->hdr.creator_id = CPER_CREATOR_PSTORE; rcd->hdr.notification_type = CPER_NOTIFY_MCE; diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index 3c3a37b8503b..6402f7fad3bb 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -51,6 +51,7 @@ #include <acpi/actbl1.h> #include <acpi/ghes.h> #include <acpi/apei.h> +#include <asm/fixmap.h> #include <asm/tlbflush.h> #include <ras/ras_event.h> @@ -112,22 +113,10 @@ static DEFINE_MUTEX(ghes_list_mutex); * Because the memory area used to transfer hardware error information * from BIOS to Linux can be determined only in NMI, IRQ or timer * handler, but general ioremap can not be used in atomic context, so - * a special version of atomic ioremap is implemented for that. - */ - -/* - * Two virtual pages are used, one for IRQ/PROCESS context, the other for - * NMI context (optionally). - */ -#define GHES_IOREMAP_PAGES 2 -#define GHES_IOREMAP_IRQ_PAGE(base) (base) -#define GHES_IOREMAP_NMI_PAGE(base) ((base) + PAGE_SIZE) - -/* virtual memory area for atomic ioremap */ -static struct vm_struct *ghes_ioremap_area; -/* - * These 2 spinlock is used to prevent atomic ioremap virtual memory - * area from being mapped simultaneously. + * the fixmap is used instead. + * + * These 2 spinlocks are used to prevent the fixmap entries from being used + * simultaneously. */ static DEFINE_RAW_SPINLOCK(ghes_ioremap_lock_nmi); static DEFINE_SPINLOCK(ghes_ioremap_lock_irq); @@ -140,71 +129,38 @@ static atomic_t ghes_estatus_cache_alloced; static int ghes_panic_timeout __read_mostly = 30; -static int ghes_ioremap_init(void) -{ - ghes_ioremap_area = __get_vm_area(PAGE_SIZE * GHES_IOREMAP_PAGES, - VM_IOREMAP, VMALLOC_START, VMALLOC_END); - if (!ghes_ioremap_area) { - pr_err(GHES_PFX "Failed to allocate virtual memory area for atomic ioremap.\n"); - return -ENOMEM; - } - - return 0; -} - -static void ghes_ioremap_exit(void) -{ - free_vm_area(ghes_ioremap_area); -} - static void __iomem *ghes_ioremap_pfn_nmi(u64 pfn) { - unsigned long vaddr; phys_addr_t paddr; pgprot_t prot; - vaddr = (unsigned long)GHES_IOREMAP_NMI_PAGE(ghes_ioremap_area->addr); - paddr = pfn << PAGE_SHIFT; prot = arch_apei_get_mem_attribute(paddr); - ioremap_page_range(vaddr, vaddr + PAGE_SIZE, paddr, prot); + __set_fixmap(FIX_APEI_GHES_NMI, paddr, prot); - return (void __iomem *)vaddr; + return (void __iomem *) fix_to_virt(FIX_APEI_GHES_NMI); } static void __iomem *ghes_ioremap_pfn_irq(u64 pfn) { - unsigned long vaddr, paddr; + phys_addr_t paddr; pgprot_t prot; - vaddr = (unsigned long)GHES_IOREMAP_IRQ_PAGE(ghes_ioremap_area->addr); - paddr = pfn << PAGE_SHIFT; prot = arch_apei_get_mem_attribute(paddr); + __set_fixmap(FIX_APEI_GHES_IRQ, paddr, prot); - ioremap_page_range(vaddr, vaddr + PAGE_SIZE, paddr, prot); - - return (void __iomem *)vaddr; + return (void __iomem *) fix_to_virt(FIX_APEI_GHES_IRQ); } -static void ghes_iounmap_nmi(void __iomem *vaddr_ptr) +static void ghes_iounmap_nmi(void) { - unsigned long vaddr = (unsigned long __force)vaddr_ptr; - void *base = ghes_ioremap_area->addr; - - BUG_ON(vaddr != (unsigned long)GHES_IOREMAP_NMI_PAGE(base)); - unmap_kernel_range_noflush(vaddr, PAGE_SIZE); - arch_apei_flush_tlb_one(vaddr); + clear_fixmap(FIX_APEI_GHES_NMI); } -static void ghes_iounmap_irq(void __iomem *vaddr_ptr) +static void ghes_iounmap_irq(void) { - unsigned long vaddr = (unsigned long __force)vaddr_ptr; - void *base = ghes_ioremap_area->addr; - - BUG_ON(vaddr != (unsigned long)GHES_IOREMAP_IRQ_PAGE(base)); - unmap_kernel_range_noflush(vaddr, PAGE_SIZE); - arch_apei_flush_tlb_one(vaddr); + clear_fixmap(FIX_APEI_GHES_IRQ); } static int ghes_estatus_pool_init(void) @@ -360,10 +316,10 @@ static void ghes_copy_tofrom_phys(void *buffer, u64 paddr, u32 len, paddr += trunk; buffer += trunk; if (in_nmi) { - ghes_iounmap_nmi(vaddr); + ghes_iounmap_nmi(); raw_spin_unlock(&ghes_ioremap_lock_nmi); } else { - ghes_iounmap_irq(vaddr); + ghes_iounmap_irq(); spin_unlock_irqrestore(&ghes_ioremap_lock_irq, flags); } } @@ -774,9 +730,9 @@ static void ghes_add_timer(struct ghes *ghes) add_timer(&ghes->timer); } -static void ghes_poll_func(unsigned long data) +static void ghes_poll_func(struct timer_list *t) { - struct ghes *ghes = (void *)data; + struct ghes *ghes = from_timer(ghes, t, timer); ghes_proc(ghes); if (!(ghes->flags & GHES_EXITING)) @@ -851,17 +807,8 @@ static void ghes_sea_remove(struct ghes *ghes) synchronize_rcu(); } #else /* CONFIG_ACPI_APEI_SEA */ -static inline void ghes_sea_add(struct ghes *ghes) -{ - pr_err(GHES_PFX "ID: %d, trying to add SEA notification which is not supported\n", - ghes->generic->header.source_id); -} - -static inline void ghes_sea_remove(struct ghes *ghes) -{ - pr_err(GHES_PFX "ID: %d, trying to remove SEA notification which is not supported\n", - ghes->generic->header.source_id); -} +static inline void ghes_sea_add(struct ghes *ghes) { } +static inline void ghes_sea_remove(struct ghes *ghes) { } #endif /* CONFIG_ACPI_APEI_SEA */ #ifdef CONFIG_HAVE_ACPI_APEI_NMI @@ -1063,23 +1010,9 @@ static void ghes_nmi_init_cxt(void) init_irq_work(&ghes_proc_irq_work, ghes_proc_in_irq); } #else /* CONFIG_HAVE_ACPI_APEI_NMI */ -static inline void ghes_nmi_add(struct ghes *ghes) -{ - pr_err(GHES_PFX "ID: %d, trying to add NMI notification which is not supported!\n", - ghes->generic->header.source_id); - BUG(); -} - -static inline void ghes_nmi_remove(struct ghes *ghes) -{ - pr_err(GHES_PFX "ID: %d, trying to remove NMI notification which is not supported!\n", - ghes->generic->header.source_id); - BUG(); -} - -static inline void ghes_nmi_init_cxt(void) -{ -} +static inline void ghes_nmi_add(struct ghes *ghes) { } +static inline void ghes_nmi_remove(struct ghes *ghes) { } +static inline void ghes_nmi_init_cxt(void) { } #endif /* CONFIG_HAVE_ACPI_APEI_NMI */ static int ghes_probe(struct platform_device *ghes_dev) @@ -1147,8 +1080,7 @@ static int ghes_probe(struct platform_device *ghes_dev) switch (generic->notify.type) { case ACPI_HEST_NOTIFY_POLLED: - setup_deferrable_timer(&ghes->timer, ghes_poll_func, - (unsigned long)ghes); + timer_setup(&ghes->timer, ghes_poll_func, TIMER_DEFERRABLE); ghes_add_timer(ghes); break; case ACPI_HEST_NOTIFY_EXTERNAL: @@ -1285,13 +1217,9 @@ static int __init ghes_init(void) ghes_nmi_init_cxt(); - rc = ghes_ioremap_init(); - if (rc) - goto err; - rc = ghes_estatus_pool_init(); if (rc) - goto err_ioremap_exit; + goto err; rc = ghes_estatus_pool_expand(GHES_ESTATUS_CACHE_AVG_SIZE * GHES_ESTATUS_CACHE_ALLOCED_MAX); @@ -1315,8 +1243,6 @@ static int __init ghes_init(void) return 0; err_pool_exit: ghes_estatus_pool_exit(); -err_ioremap_exit: - ghes_ioremap_exit(); err: return rc; } diff --git a/drivers/acpi/battery.h b/drivers/acpi/battery.h index 6c084976987d..225f493d4c27 100644 --- a/drivers/acpi/battery.h +++ b/drivers/acpi/battery.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ACPI_BATTERY_H #define __ACPI_BATTERY_H diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index ef1856b15488..c391898b483c 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -390,6 +390,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) { struct acpi_button *button = acpi_driver_data(device); struct input_dev *input; + int users; switch (event) { case ACPI_FIXED_HARDWARE_EVENT: @@ -398,7 +399,11 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) case ACPI_BUTTON_NOTIFY_STATUS: input = button->input; if (button->type == ACPI_BUTTON_TYPE_LID) { - acpi_lid_update_state(device); + mutex_lock(&button->input->mutex); + users = button->input->users; + mutex_unlock(&button->input->mutex); + if (users) + acpi_lid_update_state(device); } else { int keycode; @@ -442,12 +447,24 @@ static int acpi_button_resume(struct device *dev) struct acpi_button *button = acpi_driver_data(device); button->suspended = false; - if (button->type == ACPI_BUTTON_TYPE_LID) + if (button->type == ACPI_BUTTON_TYPE_LID && button->input->users) acpi_lid_initialize_state(device); return 0; } #endif +static int acpi_lid_input_open(struct input_dev *input) +{ + struct acpi_device *device = input_get_drvdata(input); + struct acpi_button *button = acpi_driver_data(device); + + button->last_state = !!acpi_lid_evaluate_state(device); + button->last_time = ktime_get(); + acpi_lid_initialize_state(device); + + return 0; +} + static int acpi_button_add(struct acpi_device *device) { struct acpi_button *button; @@ -488,8 +505,7 @@ static int acpi_button_add(struct acpi_device *device) strcpy(name, ACPI_BUTTON_DEVICE_NAME_LID); sprintf(class, "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID); - button->last_state = !!acpi_lid_evaluate_state(device); - button->last_time = ktime_get(); + input->open = acpi_lid_input_open; } else { printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", hid); error = -ENODEV; @@ -522,11 +538,11 @@ static int acpi_button_add(struct acpi_device *device) break; } + input_set_drvdata(input, device); error = input_register_device(input); if (error) goto err_remove_fs; if (button->type == ACPI_BUTTON_TYPE_LID) { - acpi_lid_initialize_state(device); /* * This assumes there's only one lid device, or if there are * more we only care about the last one... diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index e5b47f032d9a..21c28433c590 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -48,7 +48,6 @@ struct cppc_pcc_data { struct mbox_chan *pcc_channel; void __iomem *pcc_comm_addr; - int pcc_subspace_idx; bool pcc_channel_acquired; ktime_t deadline; unsigned int pcc_mpar, pcc_mrtt, pcc_nominal; @@ -75,13 +74,16 @@ struct cppc_pcc_data { /* Wait queue for CPUs whose requests were batched */ wait_queue_head_t pcc_write_wait_q; + ktime_t last_cmd_cmpl_time; + ktime_t last_mpar_reset; + int mpar_count; + int refcount; }; -/* Structure to represent the single PCC channel */ -static struct cppc_pcc_data pcc_data = { - .pcc_subspace_idx = -1, - .platform_owns_pcc = true, -}; +/* Array to represent the PCC channel per subspace id */ +static struct cppc_pcc_data *pcc_data[MAX_PCC_SUBSPACES]; +/* The cpu_pcc_subspace_idx containsper CPU subspace id */ +static DEFINE_PER_CPU(int, cpu_pcc_subspace_idx); /* * The cpc_desc structure contains the ACPI register details @@ -93,7 +95,8 @@ static struct cppc_pcc_data pcc_data = { static DEFINE_PER_CPU(struct cpc_desc *, cpc_desc_ptr); /* pcc mapped address + header size + offset within PCC subspace */ -#define GET_PCC_VADDR(offs) (pcc_data.pcc_comm_addr + 0x8 + (offs)) +#define GET_PCC_VADDR(offs, pcc_ss_id) (pcc_data[pcc_ss_id]->pcc_comm_addr + \ + 0x8 + (offs)) /* Check if a CPC register is in PCC */ #define CPC_IN_PCC(cpc) ((cpc)->type == ACPI_TYPE_BUFFER && \ @@ -188,13 +191,16 @@ static struct kobj_type cppc_ktype = { .default_attrs = cppc_attrs, }; -static int check_pcc_chan(bool chk_err_bit) +static int check_pcc_chan(int pcc_ss_id, bool chk_err_bit) { int ret = -EIO, status = 0; - struct acpi_pcct_shared_memory __iomem *generic_comm_base = pcc_data.pcc_comm_addr; - ktime_t next_deadline = ktime_add(ktime_get(), pcc_data.deadline); + struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id]; + struct acpi_pcct_shared_memory __iomem *generic_comm_base = + pcc_ss_data->pcc_comm_addr; + ktime_t next_deadline = ktime_add(ktime_get(), + pcc_ss_data->deadline); - if (!pcc_data.platform_owns_pcc) + if (!pcc_ss_data->platform_owns_pcc) return 0; /* Retry in case the remote processor was too slow to catch up. */ @@ -219,7 +225,7 @@ static int check_pcc_chan(bool chk_err_bit) } if (likely(!ret)) - pcc_data.platform_owns_pcc = false; + pcc_ss_data->platform_owns_pcc = false; else pr_err("PCC check channel failed. Status=%x\n", status); @@ -230,13 +236,12 @@ static int check_pcc_chan(bool chk_err_bit) * This function transfers the ownership of the PCC to the platform * So it must be called while holding write_lock(pcc_lock) */ -static int send_pcc_cmd(u16 cmd) +static int send_pcc_cmd(int pcc_ss_id, u16 cmd) { int ret = -EIO, i; + struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id]; struct acpi_pcct_shared_memory *generic_comm_base = - (struct acpi_pcct_shared_memory *) pcc_data.pcc_comm_addr; - static ktime_t last_cmd_cmpl_time, last_mpar_reset; - static int mpar_count; + (struct acpi_pcct_shared_memory *)pcc_ss_data->pcc_comm_addr; unsigned int time_delta; /* @@ -249,24 +254,25 @@ static int send_pcc_cmd(u16 cmd) * before write completion, so first send a WRITE command to * platform */ - if (pcc_data.pending_pcc_write_cmd) - send_pcc_cmd(CMD_WRITE); + if (pcc_ss_data->pending_pcc_write_cmd) + send_pcc_cmd(pcc_ss_id, CMD_WRITE); - ret = check_pcc_chan(false); + ret = check_pcc_chan(pcc_ss_id, false); if (ret) goto end; } else /* CMD_WRITE */ - pcc_data.pending_pcc_write_cmd = FALSE; + pcc_ss_data->pending_pcc_write_cmd = FALSE; /* * Handle the Minimum Request Turnaround Time(MRTT) * "The minimum amount of time that OSPM must wait after the completion * of a command before issuing the next command, in microseconds" */ - if (pcc_data.pcc_mrtt) { - time_delta = ktime_us_delta(ktime_get(), last_cmd_cmpl_time); - if (pcc_data.pcc_mrtt > time_delta) - udelay(pcc_data.pcc_mrtt - time_delta); + if (pcc_ss_data->pcc_mrtt) { + time_delta = ktime_us_delta(ktime_get(), + pcc_ss_data->last_cmd_cmpl_time); + if (pcc_ss_data->pcc_mrtt > time_delta) + udelay(pcc_ss_data->pcc_mrtt - time_delta); } /* @@ -280,18 +286,19 @@ static int send_pcc_cmd(u16 cmd) * not send the request to the platform after hitting the MPAR limit in * any 60s window */ - if (pcc_data.pcc_mpar) { - if (mpar_count == 0) { - time_delta = ktime_ms_delta(ktime_get(), last_mpar_reset); - if (time_delta < 60 * MSEC_PER_SEC) { + if (pcc_ss_data->pcc_mpar) { + if (pcc_ss_data->mpar_count == 0) { + time_delta = ktime_ms_delta(ktime_get(), + pcc_ss_data->last_mpar_reset); + if ((time_delta < 60 * MSEC_PER_SEC) && pcc_ss_data->last_mpar_reset) { pr_debug("PCC cmd not sent due to MPAR limit"); ret = -EIO; goto end; } - last_mpar_reset = ktime_get(); - mpar_count = pcc_data.pcc_mpar; + pcc_ss_data->last_mpar_reset = ktime_get(); + pcc_ss_data->mpar_count = pcc_ss_data->pcc_mpar; } - mpar_count--; + pcc_ss_data->mpar_count--; } /* Write to the shared comm region. */ @@ -300,10 +307,10 @@ static int send_pcc_cmd(u16 cmd) /* Flip CMD COMPLETE bit */ writew_relaxed(0, &generic_comm_base->status); - pcc_data.platform_owns_pcc = true; + pcc_ss_data->platform_owns_pcc = true; /* Ring doorbell */ - ret = mbox_send_message(pcc_data.pcc_channel, &cmd); + ret = mbox_send_message(pcc_ss_data->pcc_channel, &cmd); if (ret < 0) { pr_err("Err sending PCC mbox message. cmd:%d, ret:%d\n", cmd, ret); @@ -311,15 +318,15 @@ static int send_pcc_cmd(u16 cmd) } /* wait for completion and check for PCC errro bit */ - ret = check_pcc_chan(true); + ret = check_pcc_chan(pcc_ss_id, true); - if (pcc_data.pcc_mrtt) - last_cmd_cmpl_time = ktime_get(); + if (pcc_ss_data->pcc_mrtt) + pcc_ss_data->last_cmd_cmpl_time = ktime_get(); - if (pcc_data.pcc_channel->mbox->txdone_irq) - mbox_chan_txdone(pcc_data.pcc_channel, ret); + if (pcc_ss_data->pcc_channel->mbox->txdone_irq) + mbox_chan_txdone(pcc_ss_data->pcc_channel, ret); else - mbox_client_txdone(pcc_data.pcc_channel, ret); + mbox_client_txdone(pcc_ss_data->pcc_channel, ret); end: if (cmd == CMD_WRITE) { @@ -329,12 +336,12 @@ end: if (!desc) continue; - if (desc->write_cmd_id == pcc_data.pcc_write_cnt) + if (desc->write_cmd_id == pcc_ss_data->pcc_write_cnt) desc->write_cmd_status = ret; } } - pcc_data.pcc_write_cnt++; - wake_up_all(&pcc_data.pcc_write_wait_q); + pcc_ss_data->pcc_write_cnt++; + wake_up_all(&pcc_ss_data->pcc_write_wait_q); } return ret; @@ -536,16 +543,16 @@ err_ret: } EXPORT_SYMBOL_GPL(acpi_get_psd_map); -static int register_pcc_channel(int pcc_subspace_idx) +static int register_pcc_channel(int pcc_ss_idx) { struct acpi_pcct_hw_reduced *cppc_ss; u64 usecs_lat; - if (pcc_subspace_idx >= 0) { - pcc_data.pcc_channel = pcc_mbox_request_channel(&cppc_mbox_cl, - pcc_subspace_idx); + if (pcc_ss_idx >= 0) { + pcc_data[pcc_ss_idx]->pcc_channel = + pcc_mbox_request_channel(&cppc_mbox_cl, pcc_ss_idx); - if (IS_ERR(pcc_data.pcc_channel)) { + if (IS_ERR(pcc_data[pcc_ss_idx]->pcc_channel)) { pr_err("Failed to find PCC communication channel\n"); return -ENODEV; } @@ -556,7 +563,7 @@ static int register_pcc_channel(int pcc_subspace_idx) * PCC channels) and stored pointers to the * subspace communication region in con_priv. */ - cppc_ss = (pcc_data.pcc_channel)->con_priv; + cppc_ss = (pcc_data[pcc_ss_idx]->pcc_channel)->con_priv; if (!cppc_ss) { pr_err("No PCC subspace found for CPPC\n"); @@ -569,19 +576,20 @@ static int register_pcc_channel(int pcc_subspace_idx) * So add an arbitrary amount of wait on top of Nominal. */ usecs_lat = NUM_RETRIES * cppc_ss->latency; - pcc_data.deadline = ns_to_ktime(usecs_lat * NSEC_PER_USEC); - pcc_data.pcc_mrtt = cppc_ss->min_turnaround_time; - pcc_data.pcc_mpar = cppc_ss->max_access_rate; - pcc_data.pcc_nominal = cppc_ss->latency; - - pcc_data.pcc_comm_addr = acpi_os_ioremap(cppc_ss->base_address, cppc_ss->length); - if (!pcc_data.pcc_comm_addr) { + pcc_data[pcc_ss_idx]->deadline = ns_to_ktime(usecs_lat * NSEC_PER_USEC); + pcc_data[pcc_ss_idx]->pcc_mrtt = cppc_ss->min_turnaround_time; + pcc_data[pcc_ss_idx]->pcc_mpar = cppc_ss->max_access_rate; + pcc_data[pcc_ss_idx]->pcc_nominal = cppc_ss->latency; + + pcc_data[pcc_ss_idx]->pcc_comm_addr = + acpi_os_ioremap(cppc_ss->base_address, cppc_ss->length); + if (!pcc_data[pcc_ss_idx]->pcc_comm_addr) { pr_err("Failed to ioremap PCC comm region mem\n"); return -ENOMEM; } /* Set flag so that we dont come here for each CPU. */ - pcc_data.pcc_channel_acquired = true; + pcc_data[pcc_ss_idx]->pcc_channel_acquired = true; } return 0; @@ -600,6 +608,34 @@ bool __weak cpc_ffh_supported(void) return false; } + +/** + * pcc_data_alloc() - Allocate the pcc_data memory for pcc subspace + * + * Check and allocate the cppc_pcc_data memory. + * In some processor configurations it is possible that same subspace + * is shared between multiple CPU's. This is seen especially in CPU's + * with hardware multi-threading support. + * + * Return: 0 for success, errno for failure + */ +int pcc_data_alloc(int pcc_ss_id) +{ + if (pcc_ss_id < 0 || pcc_ss_id >= MAX_PCC_SUBSPACES) + return -EINVAL; + + if (pcc_data[pcc_ss_id]) { + pcc_data[pcc_ss_id]->refcount++; + } else { + pcc_data[pcc_ss_id] = kzalloc(sizeof(struct cppc_pcc_data), + GFP_KERNEL); + if (!pcc_data[pcc_ss_id]) + return -ENOMEM; + pcc_data[pcc_ss_id]->refcount++; + } + + return 0; +} /* * An example CPC table looks like the following. * @@ -661,6 +697,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) struct device *cpu_dev; acpi_handle handle = pr->handle; unsigned int num_ent, i, cpc_rev; + int pcc_subspace_id = -1; acpi_status status; int ret = -EFAULT; @@ -733,9 +770,11 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) * so extract it only once. */ if (gas_t->space_id == ACPI_ADR_SPACE_PLATFORM_COMM) { - if (pcc_data.pcc_subspace_idx < 0) - pcc_data.pcc_subspace_idx = gas_t->access_width; - else if (pcc_data.pcc_subspace_idx != gas_t->access_width) { + if (pcc_subspace_id < 0) { + pcc_subspace_id = gas_t->access_width; + if (pcc_data_alloc(pcc_subspace_id)) + goto out_free; + } else if (pcc_subspace_id != gas_t->access_width) { pr_debug("Mismatched PCC ids.\n"); goto out_free; } @@ -763,6 +802,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) goto out_free; } } + per_cpu(cpu_pcc_subspace_idx, pr->id) = pcc_subspace_id; /* Store CPU Logical ID */ cpc_ptr->cpu_id = pr->id; @@ -771,14 +811,14 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr) if (ret) goto out_free; - /* Register PCC channel once for all CPUs. */ - if (!pcc_data.pcc_channel_acquired) { - ret = register_pcc_channel(pcc_data.pcc_subspace_idx); + /* Register PCC channel once for all PCC subspace id. */ + if (pcc_subspace_id >= 0 && !pcc_data[pcc_subspace_id]->pcc_channel_acquired) { + ret = register_pcc_channel(pcc_subspace_id); if (ret) goto out_free; - init_rwsem(&pcc_data.pcc_lock); - init_waitqueue_head(&pcc_data.pcc_write_wait_q); + init_rwsem(&pcc_data[pcc_subspace_id]->pcc_lock); + init_waitqueue_head(&pcc_data[pcc_subspace_id]->pcc_write_wait_q); } /* Everything looks okay */ @@ -831,6 +871,18 @@ void acpi_cppc_processor_exit(struct acpi_processor *pr) struct cpc_desc *cpc_ptr; unsigned int i; void __iomem *addr; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, pr->id); + + if (pcc_ss_id >=0 && pcc_data[pcc_ss_id]) { + if (pcc_data[pcc_ss_id]->pcc_channel_acquired) { + pcc_data[pcc_ss_id]->refcount--; + if (!pcc_data[pcc_ss_id]->refcount) { + pcc_mbox_free_channel(pcc_data[pcc_ss_id]->pcc_channel); + pcc_data[pcc_ss_id]->pcc_channel_acquired = 0; + kfree(pcc_data[pcc_ss_id]); + } + } + } cpc_ptr = per_cpu(cpc_desc_ptr, pr->id); if (!cpc_ptr) @@ -888,6 +940,7 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val) { int ret_val = 0; void __iomem *vaddr = 0; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu); struct cpc_reg *reg = ®_res->cpc_entry.reg; if (reg_res->type == ACPI_TYPE_INTEGER) { @@ -897,7 +950,7 @@ static int cpc_read(int cpu, struct cpc_register_resource *reg_res, u64 *val) *val = 0; if (reg->space_id == ACPI_ADR_SPACE_PLATFORM_COMM) - vaddr = GET_PCC_VADDR(reg->address); + vaddr = GET_PCC_VADDR(reg->address, pcc_ss_id); else if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) vaddr = reg_res->sys_mem_vaddr; else if (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) @@ -932,10 +985,11 @@ static int cpc_write(int cpu, struct cpc_register_resource *reg_res, u64 val) { int ret_val = 0; void __iomem *vaddr = 0; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu); struct cpc_reg *reg = ®_res->cpc_entry.reg; if (reg->space_id == ACPI_ADR_SPACE_PLATFORM_COMM) - vaddr = GET_PCC_VADDR(reg->address); + vaddr = GET_PCC_VADDR(reg->address, pcc_ss_id); else if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) vaddr = reg_res->sys_mem_vaddr; else if (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) @@ -980,6 +1034,8 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps) struct cpc_register_resource *highest_reg, *lowest_reg, *lowest_non_linear_reg, *nominal_reg; u64 high, low, nom, min_nonlinear; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum); + struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id]; int ret = 0, regs_in_pcc = 0; if (!cpc_desc) { @@ -996,9 +1052,9 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps) if (CPC_IN_PCC(highest_reg) || CPC_IN_PCC(lowest_reg) || CPC_IN_PCC(lowest_non_linear_reg) || CPC_IN_PCC(nominal_reg)) { regs_in_pcc = 1; - down_write(&pcc_data.pcc_lock); + down_write(&pcc_ss_data->pcc_lock); /* Ring doorbell once to update PCC subspace */ - if (send_pcc_cmd(CMD_READ) < 0) { + if (send_pcc_cmd(pcc_ss_id, CMD_READ) < 0) { ret = -EIO; goto out_err; } @@ -1021,7 +1077,7 @@ int cppc_get_perf_caps(int cpunum, struct cppc_perf_caps *perf_caps) out_err: if (regs_in_pcc) - up_write(&pcc_data.pcc_lock); + up_write(&pcc_ss_data->pcc_lock); return ret; } EXPORT_SYMBOL_GPL(cppc_get_perf_caps); @@ -1038,6 +1094,8 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs) struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpunum); struct cpc_register_resource *delivered_reg, *reference_reg, *ref_perf_reg, *ctr_wrap_reg; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpunum); + struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id]; u64 delivered, reference, ref_perf, ctr_wrap_time; int ret = 0, regs_in_pcc = 0; @@ -1061,10 +1119,10 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs) /* Are any of the regs PCC ?*/ if (CPC_IN_PCC(delivered_reg) || CPC_IN_PCC(reference_reg) || CPC_IN_PCC(ctr_wrap_reg) || CPC_IN_PCC(ref_perf_reg)) { - down_write(&pcc_data.pcc_lock); + down_write(&pcc_ss_data->pcc_lock); regs_in_pcc = 1; /* Ring doorbell once to update PCC subspace */ - if (send_pcc_cmd(CMD_READ) < 0) { + if (send_pcc_cmd(pcc_ss_id, CMD_READ) < 0) { ret = -EIO; goto out_err; } @@ -1094,7 +1152,7 @@ int cppc_get_perf_ctrs(int cpunum, struct cppc_perf_fb_ctrs *perf_fb_ctrs) perf_fb_ctrs->wraparound_time = ctr_wrap_time; out_err: if (regs_in_pcc) - up_write(&pcc_data.pcc_lock); + up_write(&pcc_ss_data->pcc_lock); return ret; } EXPORT_SYMBOL_GPL(cppc_get_perf_ctrs); @@ -1110,6 +1168,8 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) { struct cpc_desc *cpc_desc = per_cpu(cpc_desc_ptr, cpu); struct cpc_register_resource *desired_reg; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu); + struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id]; int ret = 0; if (!cpc_desc) { @@ -1127,11 +1187,11 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) * achieve that goal here */ if (CPC_IN_PCC(desired_reg)) { - down_read(&pcc_data.pcc_lock); /* BEGIN Phase-I */ - if (pcc_data.platform_owns_pcc) { - ret = check_pcc_chan(false); + down_read(&pcc_ss_data->pcc_lock); /* BEGIN Phase-I */ + if (pcc_ss_data->platform_owns_pcc) { + ret = check_pcc_chan(pcc_ss_id, false); if (ret) { - up_read(&pcc_data.pcc_lock); + up_read(&pcc_ss_data->pcc_lock); return ret; } } @@ -1139,8 +1199,8 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) * Update the pending_write to make sure a PCC CMD_READ will not * arrive and steal the channel during the switch to write lock */ - pcc_data.pending_pcc_write_cmd = true; - cpc_desc->write_cmd_id = pcc_data.pcc_write_cnt; + pcc_ss_data->pending_pcc_write_cmd = true; + cpc_desc->write_cmd_id = pcc_ss_data->pcc_write_cnt; cpc_desc->write_cmd_status = 0; } @@ -1151,7 +1211,7 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) cpc_write(cpu, desired_reg, perf_ctrls->desired_perf); if (CPC_IN_PCC(desired_reg)) - up_read(&pcc_data.pcc_lock); /* END Phase-I */ + up_read(&pcc_ss_data->pcc_lock); /* END Phase-I */ /* * This is Phase-II where we transfer the ownership of PCC to Platform * @@ -1199,15 +1259,15 @@ int cppc_set_perf(int cpu, struct cppc_perf_ctrls *perf_ctrls) * the write command before servicing the read command */ if (CPC_IN_PCC(desired_reg)) { - if (down_write_trylock(&pcc_data.pcc_lock)) { /* BEGIN Phase-II */ + if (down_write_trylock(&pcc_ss_data->pcc_lock)) {/* BEGIN Phase-II */ /* Update only if there are pending write commands */ - if (pcc_data.pending_pcc_write_cmd) - send_pcc_cmd(CMD_WRITE); - up_write(&pcc_data.pcc_lock); /* END Phase-II */ + if (pcc_ss_data->pending_pcc_write_cmd) + send_pcc_cmd(pcc_ss_id, CMD_WRITE); + up_write(&pcc_ss_data->pcc_lock); /* END Phase-II */ } else /* Wait until pcc_write_cnt is updated by send_pcc_cmd */ - wait_event(pcc_data.pcc_write_wait_q, - cpc_desc->write_cmd_id != pcc_data.pcc_write_cnt); + wait_event(pcc_ss_data->pcc_write_wait_q, + cpc_desc->write_cmd_id != pcc_ss_data->pcc_write_cnt); /* send_pcc_cmd updates the status in case of failure */ ret = cpc_desc->write_cmd_status; @@ -1240,6 +1300,8 @@ unsigned int cppc_get_transition_latency(int cpu_num) unsigned int latency_ns = 0; struct cpc_desc *cpc_desc; struct cpc_register_resource *desired_reg; + int pcc_ss_id = per_cpu(cpu_pcc_subspace_idx, cpu_num); + struct cppc_pcc_data *pcc_ss_data = pcc_data[pcc_ss_id]; cpc_desc = per_cpu(cpc_desc_ptr, cpu_num); if (!cpc_desc) @@ -1249,11 +1311,11 @@ unsigned int cppc_get_transition_latency(int cpu_num) if (!CPC_IN_PCC(desired_reg)) return CPUFREQ_ETERNAL; - if (pcc_data.pcc_mpar) - latency_ns = 60 * (1000 * 1000 * 1000 / pcc_data.pcc_mpar); + if (pcc_ss_data->pcc_mpar) + latency_ns = 60 * (1000 * 1000 * 1000 / pcc_ss_data->pcc_mpar); - latency_ns = max(latency_ns, pcc_data.pcc_nominal * 1000); - latency_ns = max(latency_ns, pcc_data.pcc_mrtt * 1000); + latency_ns = max(latency_ns, pcc_ss_data->pcc_nominal * 1000); + latency_ns = max(latency_ns, pcc_ss_data->pcc_mrtt * 1000); return latency_ns; } diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index fbcc73f7a099..e4ffaeec9ec2 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -387,6 +387,7 @@ EXPORT_SYMBOL(acpi_bus_power_manageable); #ifdef CONFIG_PM static DEFINE_MUTEX(acpi_pm_notifier_lock); +static DEFINE_MUTEX(acpi_pm_notifier_install_lock); void acpi_pm_wakeup_event(struct device *dev) { @@ -443,24 +444,25 @@ acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev, if (!dev && !func) return AE_BAD_PARAMETER; - mutex_lock(&acpi_pm_notifier_lock); + mutex_lock(&acpi_pm_notifier_install_lock); if (adev->wakeup.flags.notifier_present) goto out; - adev->wakeup.ws = wakeup_source_register(dev_name(&adev->dev)); - adev->wakeup.context.dev = dev; - adev->wakeup.context.func = func; - status = acpi_install_notify_handler(adev->handle, ACPI_SYSTEM_NOTIFY, acpi_pm_notify_handler, NULL); if (ACPI_FAILURE(status)) goto out; + mutex_lock(&acpi_pm_notifier_lock); + adev->wakeup.ws = wakeup_source_register(dev_name(&adev->dev)); + adev->wakeup.context.dev = dev; + adev->wakeup.context.func = func; adev->wakeup.flags.notifier_present = true; + mutex_unlock(&acpi_pm_notifier_lock); out: - mutex_unlock(&acpi_pm_notifier_lock); + mutex_unlock(&acpi_pm_notifier_install_lock); return status; } @@ -472,7 +474,7 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev) { acpi_status status = AE_BAD_PARAMETER; - mutex_lock(&acpi_pm_notifier_lock); + mutex_lock(&acpi_pm_notifier_install_lock); if (!adev->wakeup.flags.notifier_present) goto out; @@ -483,14 +485,15 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev) if (ACPI_FAILURE(status)) goto out; + mutex_lock(&acpi_pm_notifier_lock); adev->wakeup.context.func = NULL; adev->wakeup.context.dev = NULL; wakeup_source_unregister(adev->wakeup.ws); - adev->wakeup.flags.notifier_present = false; + mutex_unlock(&acpi_pm_notifier_lock); out: - mutex_unlock(&acpi_pm_notifier_lock); + mutex_unlock(&acpi_pm_notifier_install_lock); return status; } @@ -581,8 +584,7 @@ static int acpi_dev_pm_get_state(struct device *dev, struct acpi_device *adev, d_min = ret; wakeup = device_may_wakeup(dev) && adev->wakeup.flags.valid && adev->wakeup.sleep_state >= target_state; - } else if (dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) != - PM_QOS_FLAGS_NONE) { + } else { wakeup = adev->wakeup.flags.valid; } @@ -848,48 +850,48 @@ static int acpi_dev_pm_full_power(struct acpi_device *adev) } /** - * acpi_dev_runtime_suspend - Put device into a low-power state using ACPI. + * acpi_dev_suspend - Put device into a low-power state using ACPI. * @dev: Device to put into a low-power state. + * @wakeup: Whether or not to enable wakeup for the device. * - * Put the given device into a runtime low-power state using the standard ACPI + * Put the given device into a low-power state using the standard ACPI * mechanism. Set up remote wakeup if desired, choose the state to put the * device into (this checks if remote wakeup is expected to work too), and set * the power state of the device. */ -int acpi_dev_runtime_suspend(struct device *dev) +int acpi_dev_suspend(struct device *dev, bool wakeup) { struct acpi_device *adev = ACPI_COMPANION(dev); - bool remote_wakeup; + u32 target_state = acpi_target_system_state(); int error; if (!adev) return 0; - remote_wakeup = dev_pm_qos_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP) > - PM_QOS_FLAGS_NONE; - if (remote_wakeup) { - error = acpi_device_wakeup_enable(adev, ACPI_STATE_S0); + if (wakeup && acpi_device_can_wakeup(adev)) { + error = acpi_device_wakeup_enable(adev, target_state); if (error) return -EAGAIN; + } else { + wakeup = false; } - error = acpi_dev_pm_low_power(dev, adev, ACPI_STATE_S0); - if (error && remote_wakeup) + error = acpi_dev_pm_low_power(dev, adev, target_state); + if (error && wakeup) acpi_device_wakeup_disable(adev); return error; } -EXPORT_SYMBOL_GPL(acpi_dev_runtime_suspend); +EXPORT_SYMBOL_GPL(acpi_dev_suspend); /** - * acpi_dev_runtime_resume - Put device into the full-power state using ACPI. + * acpi_dev_resume - Put device into the full-power state using ACPI. * @dev: Device to put into the full-power state. * * Put the given device into the full-power state using the standard ACPI - * mechanism at run time. Set the power state of the device to ACPI D0 and - * disable remote wakeup. + * mechanism. Set the power state of the device to ACPI D0 and disable wakeup. */ -int acpi_dev_runtime_resume(struct device *dev) +int acpi_dev_resume(struct device *dev) { struct acpi_device *adev = ACPI_COMPANION(dev); int error; @@ -901,7 +903,7 @@ int acpi_dev_runtime_resume(struct device *dev) acpi_device_wakeup_disable(adev); return error; } -EXPORT_SYMBOL_GPL(acpi_dev_runtime_resume); +EXPORT_SYMBOL_GPL(acpi_dev_resume); /** * acpi_subsys_runtime_suspend - Suspend device using ACPI. @@ -913,7 +915,7 @@ EXPORT_SYMBOL_GPL(acpi_dev_runtime_resume); int acpi_subsys_runtime_suspend(struct device *dev) { int ret = pm_generic_runtime_suspend(dev); - return ret ? ret : acpi_dev_runtime_suspend(dev); + return ret ? ret : acpi_dev_suspend(dev, true); } EXPORT_SYMBOL_GPL(acpi_subsys_runtime_suspend); @@ -926,68 +928,33 @@ EXPORT_SYMBOL_GPL(acpi_subsys_runtime_suspend); */ int acpi_subsys_runtime_resume(struct device *dev) { - int ret = acpi_dev_runtime_resume(dev); + int ret = acpi_dev_resume(dev); return ret ? ret : pm_generic_runtime_resume(dev); } EXPORT_SYMBOL_GPL(acpi_subsys_runtime_resume); #ifdef CONFIG_PM_SLEEP -/** - * acpi_dev_suspend_late - Put device into a low-power state using ACPI. - * @dev: Device to put into a low-power state. - * - * Put the given device into a low-power state during system transition to a - * sleep state using the standard ACPI mechanism. Set up system wakeup if - * desired, choose the state to put the device into (this checks if system - * wakeup is expected to work too), and set the power state of the device. - */ -int acpi_dev_suspend_late(struct device *dev) +static bool acpi_dev_needs_resume(struct device *dev, struct acpi_device *adev) { - struct acpi_device *adev = ACPI_COMPANION(dev); - u32 target_state; - bool wakeup; - int error; - - if (!adev) - return 0; - - target_state = acpi_target_system_state(); - wakeup = device_may_wakeup(dev) && acpi_device_can_wakeup(adev); - if (wakeup) { - error = acpi_device_wakeup_enable(adev, target_state); - if (error) - return error; - } + u32 sys_target = acpi_target_system_state(); + int ret, state; - error = acpi_dev_pm_low_power(dev, adev, target_state); - if (error && wakeup) - acpi_device_wakeup_disable(adev); + if (!pm_runtime_suspended(dev) || !adev || + device_may_wakeup(dev) != !!adev->wakeup.prepare_count) + return true; - return error; -} -EXPORT_SYMBOL_GPL(acpi_dev_suspend_late); + if (sys_target == ACPI_STATE_S0) + return false; -/** - * acpi_dev_resume_early - Put device into the full-power state using ACPI. - * @dev: Device to put into the full-power state. - * - * Put the given device into the full-power state using the standard ACPI - * mechanism during system transition to the working state. Set the power - * state of the device to ACPI D0 and disable remote wakeup. - */ -int acpi_dev_resume_early(struct device *dev) -{ - struct acpi_device *adev = ACPI_COMPANION(dev); - int error; + if (adev->power.flags.dsw_present) + return true; - if (!adev) - return 0; + ret = acpi_dev_pm_get_state(dev, adev, sys_target, NULL, &state); + if (ret) + return true; - error = acpi_dev_pm_full_power(adev); - acpi_device_wakeup_disable(adev); - return error; + return state != adev->power.state; } -EXPORT_SYMBOL_GPL(acpi_dev_resume_early); /** * acpi_subsys_prepare - Prepare device for system transition to a sleep state. @@ -996,39 +963,53 @@ EXPORT_SYMBOL_GPL(acpi_dev_resume_early); int acpi_subsys_prepare(struct device *dev) { struct acpi_device *adev = ACPI_COMPANION(dev); - u32 sys_target; - int ret, state; - ret = pm_generic_prepare(dev); - if (ret < 0) - return ret; - - if (!adev || !pm_runtime_suspended(dev) - || device_may_wakeup(dev) != !!adev->wakeup.prepare_count) - return 0; + if (dev->driver && dev->driver->pm && dev->driver->pm->prepare) { + int ret = dev->driver->pm->prepare(dev); - sys_target = acpi_target_system_state(); - if (sys_target == ACPI_STATE_S0) - return 1; + if (ret < 0) + return ret; - if (adev->power.flags.dsw_present) - return 0; + if (!ret && dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_PREPARE)) + return 0; + } - ret = acpi_dev_pm_get_state(dev, adev, sys_target, NULL, &state); - return !ret && state == adev->power.state; + return !acpi_dev_needs_resume(dev, adev); } EXPORT_SYMBOL_GPL(acpi_subsys_prepare); /** + * acpi_subsys_complete - Finalize device's resume during system resume. + * @dev: Device to handle. + */ +void acpi_subsys_complete(struct device *dev) +{ + pm_generic_complete(dev); + /* + * If the device had been runtime-suspended before the system went into + * the sleep state it is going out of and it has never been resumed till + * now, resume it in case the firmware powered it up. + */ + if (dev->power.direct_complete && pm_resume_via_firmware()) + pm_request_resume(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_complete); + +/** * acpi_subsys_suspend - Run the device driver's suspend callback. * @dev: Device to handle. * - * Follow PCI and resume devices suspended at run time before running their - * system suspend callbacks. + * Follow PCI and resume devices from runtime suspend before running their + * system suspend callbacks, unless the driver can cope with runtime-suspended + * devices during system suspend and there are no ACPI-specific reasons for + * resuming them. */ int acpi_subsys_suspend(struct device *dev) { - pm_runtime_resume(dev); + if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) || + acpi_dev_needs_resume(dev, ACPI_COMPANION(dev))) + pm_runtime_resume(dev); + return pm_generic_suspend(dev); } EXPORT_SYMBOL_GPL(acpi_subsys_suspend); @@ -1042,12 +1023,48 @@ EXPORT_SYMBOL_GPL(acpi_subsys_suspend); */ int acpi_subsys_suspend_late(struct device *dev) { - int ret = pm_generic_suspend_late(dev); - return ret ? ret : acpi_dev_suspend_late(dev); + int ret; + + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + ret = pm_generic_suspend_late(dev); + return ret ? ret : acpi_dev_suspend(dev, device_may_wakeup(dev)); } EXPORT_SYMBOL_GPL(acpi_subsys_suspend_late); /** + * acpi_subsys_suspend_noirq - Run the device driver's "noirq" suspend callback. + * @dev: Device to suspend. + */ +int acpi_subsys_suspend_noirq(struct device *dev) +{ + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + return pm_generic_suspend_noirq(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_suspend_noirq); + +/** + * acpi_subsys_resume_noirq - Run the device driver's "noirq" resume callback. + * @dev: Device to handle. + */ +int acpi_subsys_resume_noirq(struct device *dev) +{ + /* + * Devices with DPM_FLAG_SMART_SUSPEND may be left in runtime suspend + * during system suspend, so update their runtime PM status to "active" + * as they will be put into D0 going forward. + */ + if (dev_pm_smart_suspend_and_suspended(dev)) + pm_runtime_set_active(dev); + + return pm_generic_resume_noirq(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_resume_noirq); + +/** * acpi_subsys_resume_early - Resume device using ACPI. * @dev: Device to Resume. * @@ -1057,7 +1074,7 @@ EXPORT_SYMBOL_GPL(acpi_subsys_suspend_late); */ int acpi_subsys_resume_early(struct device *dev) { - int ret = acpi_dev_resume_early(dev); + int ret = acpi_dev_resume(dev); return ret ? ret : pm_generic_resume_early(dev); } EXPORT_SYMBOL_GPL(acpi_subsys_resume_early); @@ -1074,11 +1091,60 @@ int acpi_subsys_freeze(struct device *dev) * runtime-suspended devices should not be touched during freeze/thaw * transitions. */ - pm_runtime_resume(dev); + if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND)) + pm_runtime_resume(dev); + return pm_generic_freeze(dev); } EXPORT_SYMBOL_GPL(acpi_subsys_freeze); +/** + * acpi_subsys_freeze_late - Run the device driver's "late" freeze callback. + * @dev: Device to handle. + */ +int acpi_subsys_freeze_late(struct device *dev) +{ + + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + return pm_generic_freeze_late(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_freeze_late); + +/** + * acpi_subsys_freeze_noirq - Run the device driver's "noirq" freeze callback. + * @dev: Device to handle. + */ +int acpi_subsys_freeze_noirq(struct device *dev) +{ + + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + return pm_generic_freeze_noirq(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_freeze_noirq); + +/** + * acpi_subsys_thaw_noirq - Run the device driver's "noirq" thaw callback. + * @dev: Device to handle. + */ +int acpi_subsys_thaw_noirq(struct device *dev) +{ + /* + * If the device is in runtime suspend, the "thaw" code may not work + * correctly with it, so skip the driver callback and make the PM core + * skip all of the subsequent "thaw" callbacks for the device. + */ + if (dev_pm_smart_suspend_and_suspended(dev)) { + dev->power.direct_complete = true; + return 0; + } + + return pm_generic_thaw_noirq(dev); +} +EXPORT_SYMBOL_GPL(acpi_subsys_thaw_noirq); #endif /* CONFIG_PM_SLEEP */ static struct dev_pm_domain acpi_general_pm_domain = { @@ -1087,13 +1153,20 @@ static struct dev_pm_domain acpi_general_pm_domain = { .runtime_resume = acpi_subsys_runtime_resume, #ifdef CONFIG_PM_SLEEP .prepare = acpi_subsys_prepare, - .complete = pm_complete_with_resume_check, + .complete = acpi_subsys_complete, .suspend = acpi_subsys_suspend, .suspend_late = acpi_subsys_suspend_late, + .suspend_noirq = acpi_subsys_suspend_noirq, + .resume_noirq = acpi_subsys_resume_noirq, .resume_early = acpi_subsys_resume_early, .freeze = acpi_subsys_freeze, + .freeze_late = acpi_subsys_freeze_late, + .freeze_noirq = acpi_subsys_freeze_noirq, + .thaw_noirq = acpi_subsys_thaw_noirq, .poweroff = acpi_subsys_suspend, .poweroff_late = acpi_subsys_suspend_late, + .poweroff_noirq = acpi_subsys_suspend_noirq, + .restore_noirq = acpi_subsys_resume_noirq, .restore_early = acpi_subsys_resume_early, #endif }, diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 2305e1ab978e..e3fc1f045e1c 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -482,6 +482,7 @@ int dock_notify(struct acpi_device *adev, u32 event) surprise_removal = 1; event = ACPI_NOTIFY_EJECT_REQUEST; /* Fall back */ + /* fall through */ case ACPI_NOTIFY_EJECT_REQUEST: begin_undock(ds); if ((immediate_undock && !(ds->flags & DOCK_IS_ATA)) diff --git a/drivers/acpi/dptf/Kconfig b/drivers/acpi/dptf/Kconfig index ac0a6ed0cf46..90a2fd979282 100644 --- a/drivers/acpi/dptf/Kconfig +++ b/drivers/acpi/dptf/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config DPTF_POWER tristate "DPTF Platform Power Participant" depends on X86 diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 236b14324780..82b3ce5e937e 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -486,8 +486,11 @@ static inline void __acpi_ec_enable_event(struct acpi_ec *ec) { if (!test_and_set_bit(EC_FLAGS_QUERY_ENABLED, &ec->flags)) ec_log_drv("event unblocked"); - if (!test_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) - advance_transaction(ec); + /* + * Unconditionally invoke this once after enabling the event + * handling mechanism to detect the pending events. + */ + advance_transaction(ec); } static inline void __acpi_ec_disable_event(struct acpi_ec *ec) @@ -1456,11 +1459,10 @@ static int ec_install_handlers(struct acpi_ec *ec, bool handle_events) if (test_bit(EC_FLAGS_STARTED, &ec->flags) && ec->reference_count >= 1) acpi_ec_enable_gpe(ec, true); - - /* EC is fully operational, allow queries */ - acpi_ec_enable_event(ec); } } + /* EC is fully operational, allow queries */ + acpi_ec_enable_event(ec); return 0; } diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index 7fceb3b4691b..5a127f3f2d5c 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * event.c - exporting ACPI events via procfs * diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index 4361c4415b4f..fc8c43e76707 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -248,4 +248,10 @@ void acpi_watchdog_init(void); static inline void acpi_watchdog_init(void) {} #endif +#ifdef CONFIG_ACPI_LPIT +void acpi_init_lpit(void); +#else +static inline void acpi_init_lpit(void) { } +#endif + #endif /* _ACPI_INTERNAL_H_ */ diff --git a/drivers/acpi/nfit/Kconfig b/drivers/acpi/nfit/Kconfig index 929ba4da0b30..f7c57e33499e 100644 --- a/drivers/acpi/nfit/Kconfig +++ b/drivers/acpi/nfit/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config ACPI_NFIT tristate "ACPI NVDIMM Firmware Interface Table (NFIT)" depends on PHYS_ADDR_T_64BIT diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index db78d353bab1..3bb46cb24a99 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -663,6 +663,29 @@ acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width) EXPORT_SYMBOL(acpi_os_write_port); +int acpi_os_read_iomem(void __iomem *virt_addr, u64 *value, u32 width) +{ + + switch (width) { + case 8: + *(u8 *) value = readb(virt_addr); + break; + case 16: + *(u16 *) value = readw(virt_addr); + break; + case 32: + *(u32 *) value = readl(virt_addr); + break; + case 64: + *(u64 *) value = readq(virt_addr); + break; + default: + return -EINVAL; + } + + return 0; +} + acpi_status acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) { @@ -670,6 +693,7 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) unsigned int size = width / 8; bool unmap = false; u64 dummy; + int error; rcu_read_lock(); virt_addr = acpi_map_vaddr_lookup(phys_addr, size); @@ -684,22 +708,8 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) if (!value) value = &dummy; - switch (width) { - case 8: - *(u8 *) value = readb(virt_addr); - break; - case 16: - *(u16 *) value = readw(virt_addr); - break; - case 32: - *(u32 *) value = readl(virt_addr); - break; - case 64: - *(u64 *) value = readq(virt_addr); - break; - default: - BUG(); - } + error = acpi_os_read_iomem(virt_addr, value, width); + BUG_ON(error); if (unmap) iounmap(virt_addr); diff --git a/drivers/acpi/pmic/intel_pmic.h b/drivers/acpi/pmic/intel_pmic.h index e8bfa7b865a5..095afc96952e 100644 --- a/drivers/acpi/pmic/intel_pmic.h +++ b/drivers/acpi/pmic/intel_pmic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INTEL_PMIC_H #define __INTEL_PMIC_H diff --git a/drivers/acpi/pmic/tps68470_pmic.c b/drivers/acpi/pmic/tps68470_pmic.c new file mode 100644 index 000000000000..7f3c567e8168 --- /dev/null +++ b/drivers/acpi/pmic/tps68470_pmic.c @@ -0,0 +1,455 @@ +/* + * TI TPS68470 PMIC operation region driver + * + * Copyright (C) 2017 Intel Corporation. All rights reserved. + * + * Author: Rajmohan Mani <rajmohan.mani@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Based on drivers/acpi/pmic/intel_pmic* drivers + */ + +#include <linux/acpi.h> +#include <linux/mfd/tps68470.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +struct tps68470_pmic_table { + u32 address; /* operation region address */ + u32 reg; /* corresponding register */ + u32 bitmask; /* bit mask for power, clock */ +}; + +#define TI_PMIC_POWER_OPREGION_ID 0xB0 +#define TI_PMIC_VR_VAL_OPREGION_ID 0xB1 +#define TI_PMIC_CLOCK_OPREGION_ID 0xB2 +#define TI_PMIC_CLKFREQ_OPREGION_ID 0xB3 + +struct tps68470_pmic_opregion { + struct mutex lock; + struct regmap *regmap; +}; + +#define S_IO_I2C_EN (BIT(0) | BIT(1)) + +static const struct tps68470_pmic_table power_table[] = { + { + .address = 0x00, + .reg = TPS68470_REG_S_I2C_CTL, + .bitmask = S_IO_I2C_EN, + /* S_I2C_CTL */ + }, + { + .address = 0x04, + .reg = TPS68470_REG_VCMCTL, + .bitmask = BIT(0), + /* VCMCTL */ + }, + { + .address = 0x08, + .reg = TPS68470_REG_VAUX1CTL, + .bitmask = BIT(0), + /* VAUX1_CTL */ + }, + { + .address = 0x0C, + .reg = TPS68470_REG_VAUX2CTL, + .bitmask = BIT(0), + /* VAUX2CTL */ + }, + { + .address = 0x10, + .reg = TPS68470_REG_VACTL, + .bitmask = BIT(0), + /* VACTL */ + }, + { + .address = 0x14, + .reg = TPS68470_REG_VDCTL, + .bitmask = BIT(0), + /* VDCTL */ + }, +}; + +/* Table to set voltage regulator value */ +static const struct tps68470_pmic_table vr_val_table[] = { + { + .address = 0x00, + .reg = TPS68470_REG_VSIOVAL, + .bitmask = TPS68470_VSIOVAL_IOVOLT_MASK, + /* TPS68470_REG_VSIOVAL */ + }, + { + .address = 0x04, + .reg = TPS68470_REG_VIOVAL, + .bitmask = TPS68470_VIOVAL_IOVOLT_MASK, + /* TPS68470_REG_VIOVAL */ + }, + { + .address = 0x08, + .reg = TPS68470_REG_VCMVAL, + .bitmask = TPS68470_VCMVAL_VCVOLT_MASK, + /* TPS68470_REG_VCMVAL */ + }, + { + .address = 0x0C, + .reg = TPS68470_REG_VAUX1VAL, + .bitmask = TPS68470_VAUX1VAL_AUX1VOLT_MASK, + /* TPS68470_REG_VAUX1VAL */ + }, + { + .address = 0x10, + .reg = TPS68470_REG_VAUX2VAL, + .bitmask = TPS68470_VAUX2VAL_AUX2VOLT_MASK, + /* TPS68470_REG_VAUX2VAL */ + }, + { + .address = 0x14, + .reg = TPS68470_REG_VAVAL, + .bitmask = TPS68470_VAVAL_AVOLT_MASK, + /* TPS68470_REG_VAVAL */ + }, + { + .address = 0x18, + .reg = TPS68470_REG_VDVAL, + .bitmask = TPS68470_VDVAL_DVOLT_MASK, + /* TPS68470_REG_VDVAL */ + }, +}; + +/* Table to configure clock frequency */ +static const struct tps68470_pmic_table clk_freq_table[] = { + { + .address = 0x00, + .reg = TPS68470_REG_POSTDIV2, + .bitmask = BIT(0) | BIT(1), + /* TPS68470_REG_POSTDIV2 */ + }, + { + .address = 0x04, + .reg = TPS68470_REG_BOOSTDIV, + .bitmask = 0x1F, + /* TPS68470_REG_BOOSTDIV */ + }, + { + .address = 0x08, + .reg = TPS68470_REG_BUCKDIV, + .bitmask = 0x0F, + /* TPS68470_REG_BUCKDIV */ + }, + { + .address = 0x0C, + .reg = TPS68470_REG_PLLSWR, + .bitmask = 0x13, + /* TPS68470_REG_PLLSWR */ + }, + { + .address = 0x10, + .reg = TPS68470_REG_XTALDIV, + .bitmask = 0xFF, + /* TPS68470_REG_XTALDIV */ + }, + { + .address = 0x14, + .reg = TPS68470_REG_PLLDIV, + .bitmask = 0xFF, + /* TPS68470_REG_PLLDIV */ + }, + { + .address = 0x18, + .reg = TPS68470_REG_POSTDIV, + .bitmask = 0x83, + /* TPS68470_REG_POSTDIV */ + }, +}; + +/* Table to configure and enable clocks */ +static const struct tps68470_pmic_table clk_table[] = { + { + .address = 0x00, + .reg = TPS68470_REG_PLLCTL, + .bitmask = 0xF5, + /* TPS68470_REG_PLLCTL */ + }, + { + .address = 0x04, + .reg = TPS68470_REG_PLLCTL2, + .bitmask = BIT(0), + /* TPS68470_REG_PLLCTL2 */ + }, + { + .address = 0x08, + .reg = TPS68470_REG_CLKCFG1, + .bitmask = TPS68470_CLKCFG1_MODE_A_MASK | + TPS68470_CLKCFG1_MODE_B_MASK, + /* TPS68470_REG_CLKCFG1 */ + }, + { + .address = 0x0C, + .reg = TPS68470_REG_CLKCFG2, + .bitmask = TPS68470_CLKCFG1_MODE_A_MASK | + TPS68470_CLKCFG1_MODE_B_MASK, + /* TPS68470_REG_CLKCFG2 */ + }, +}; + +static int pmic_get_reg_bit(u64 address, + const struct tps68470_pmic_table *table, + const unsigned int table_size, int *reg, + int *bitmask) +{ + u64 i; + + i = address / 4; + if (i >= table_size) + return -ENOENT; + + if (!reg || !bitmask) + return -EINVAL; + + *reg = table[i].reg; + *bitmask = table[i].bitmask; + + return 0; +} + +static int tps68470_pmic_get_power(struct regmap *regmap, int reg, + int bitmask, u64 *value) +{ + unsigned int data; + + if (regmap_read(regmap, reg, &data)) + return -EIO; + + *value = (data & bitmask) ? 1 : 0; + return 0; +} + +static int tps68470_pmic_get_vr_val(struct regmap *regmap, int reg, + int bitmask, u64 *value) +{ + unsigned int data; + + if (regmap_read(regmap, reg, &data)) + return -EIO; + + *value = data & bitmask; + return 0; +} + +static int tps68470_pmic_get_clk(struct regmap *regmap, int reg, + int bitmask, u64 *value) +{ + unsigned int data; + + if (regmap_read(regmap, reg, &data)) + return -EIO; + + *value = (data & bitmask) ? 1 : 0; + return 0; +} + +static int tps68470_pmic_get_clk_freq(struct regmap *regmap, int reg, + int bitmask, u64 *value) +{ + unsigned int data; + + if (regmap_read(regmap, reg, &data)) + return -EIO; + + *value = data & bitmask; + return 0; +} + +static int ti_tps68470_regmap_update_bits(struct regmap *regmap, int reg, + int bitmask, u64 value) +{ + return regmap_update_bits(regmap, reg, bitmask, value); +} + +static acpi_status tps68470_pmic_common_handler(u32 function, + acpi_physical_address address, + u32 bits, u64 *value, + void *region_context, + int (*get)(struct regmap *, + int, int, u64 *), + int (*update)(struct regmap *, + int, int, u64), + const struct tps68470_pmic_table *tbl, + unsigned int tbl_size) +{ + struct tps68470_pmic_opregion *opregion = region_context; + struct regmap *regmap = opregion->regmap; + int reg, ret, bitmask; + + if (bits != 32) + return AE_BAD_PARAMETER; + + ret = pmic_get_reg_bit(address, tbl, tbl_size, ®, &bitmask); + if (ret < 0) + return AE_BAD_PARAMETER; + + if (function == ACPI_WRITE && *value > bitmask) + return AE_BAD_PARAMETER; + + mutex_lock(&opregion->lock); + + ret = (function == ACPI_READ) ? + get(regmap, reg, bitmask, value) : + update(regmap, reg, bitmask, *value); + + mutex_unlock(&opregion->lock); + + return ret ? AE_ERROR : AE_OK; +} + +static acpi_status tps68470_pmic_cfreq_handler(u32 function, + acpi_physical_address address, + u32 bits, u64 *value, + void *handler_context, + void *region_context) +{ + return tps68470_pmic_common_handler(function, address, bits, value, + region_context, + tps68470_pmic_get_clk_freq, + ti_tps68470_regmap_update_bits, + clk_freq_table, + ARRAY_SIZE(clk_freq_table)); +} + +static acpi_status tps68470_pmic_clk_handler(u32 function, + acpi_physical_address address, u32 bits, + u64 *value, void *handler_context, + void *region_context) +{ + return tps68470_pmic_common_handler(function, address, bits, value, + region_context, + tps68470_pmic_get_clk, + ti_tps68470_regmap_update_bits, + clk_table, + ARRAY_SIZE(clk_table)); +} + +static acpi_status tps68470_pmic_vrval_handler(u32 function, + acpi_physical_address address, + u32 bits, u64 *value, + void *handler_context, + void *region_context) +{ + return tps68470_pmic_common_handler(function, address, bits, value, + region_context, + tps68470_pmic_get_vr_val, + ti_tps68470_regmap_update_bits, + vr_val_table, + ARRAY_SIZE(vr_val_table)); +} + +static acpi_status tps68470_pmic_pwr_handler(u32 function, + acpi_physical_address address, + u32 bits, u64 *value, + void *handler_context, + void *region_context) +{ + if (bits != 32) + return AE_BAD_PARAMETER; + + /* set/clear for bit 0, bits 0 and 1 together */ + if (function == ACPI_WRITE && + !(*value == 0 || *value == 1 || *value == 3)) { + return AE_BAD_PARAMETER; + } + + return tps68470_pmic_common_handler(function, address, bits, value, + region_context, + tps68470_pmic_get_power, + ti_tps68470_regmap_update_bits, + power_table, + ARRAY_SIZE(power_table)); +} + +static int tps68470_pmic_opregion_probe(struct platform_device *pdev) +{ + struct regmap *tps68470_regmap = dev_get_drvdata(pdev->dev.parent); + acpi_handle handle = ACPI_HANDLE(pdev->dev.parent); + struct device *dev = &pdev->dev; + struct tps68470_pmic_opregion *opregion; + acpi_status status; + + if (!dev || !tps68470_regmap) { + dev_warn(dev, "dev or regmap is NULL\n"); + return -EINVAL; + } + + if (!handle) { + dev_warn(dev, "acpi handle is NULL\n"); + return -ENODEV; + } + + opregion = devm_kzalloc(dev, sizeof(*opregion), GFP_KERNEL); + if (!opregion) + return -ENOMEM; + + mutex_init(&opregion->lock); + opregion->regmap = tps68470_regmap; + + status = acpi_install_address_space_handler(handle, + TI_PMIC_POWER_OPREGION_ID, + tps68470_pmic_pwr_handler, + NULL, opregion); + if (ACPI_FAILURE(status)) + goto out_mutex_destroy; + + status = acpi_install_address_space_handler(handle, + TI_PMIC_VR_VAL_OPREGION_ID, + tps68470_pmic_vrval_handler, + NULL, opregion); + if (ACPI_FAILURE(status)) + goto out_remove_power_handler; + + status = acpi_install_address_space_handler(handle, + TI_PMIC_CLOCK_OPREGION_ID, + tps68470_pmic_clk_handler, + NULL, opregion); + if (ACPI_FAILURE(status)) + goto out_remove_vr_val_handler; + + status = acpi_install_address_space_handler(handle, + TI_PMIC_CLKFREQ_OPREGION_ID, + tps68470_pmic_cfreq_handler, + NULL, opregion); + if (ACPI_FAILURE(status)) + goto out_remove_clk_handler; + + return 0; + +out_remove_clk_handler: + acpi_remove_address_space_handler(handle, TI_PMIC_CLOCK_OPREGION_ID, + tps68470_pmic_clk_handler); +out_remove_vr_val_handler: + acpi_remove_address_space_handler(handle, TI_PMIC_VR_VAL_OPREGION_ID, + tps68470_pmic_vrval_handler); +out_remove_power_handler: + acpi_remove_address_space_handler(handle, TI_PMIC_POWER_OPREGION_ID, + tps68470_pmic_pwr_handler); +out_mutex_destroy: + mutex_destroy(&opregion->lock); + return -ENODEV; +} + +static struct platform_driver tps68470_pmic_opregion_driver = { + .probe = tps68470_pmic_opregion_probe, + .driver = { + .name = "tps68470_pmic_opregion", + }, +}; + +builtin_platform_driver(tps68470_pmic_opregion_driver) diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index 85ac848ac6ab..652f19e6c541 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/export.h> diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 2736e25e9dc6..d50a7b6ccddd 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -710,6 +710,8 @@ static DEFINE_RAW_SPINLOCK(c3_lock); static void acpi_idle_enter_bm(struct acpi_processor *pr, struct acpi_processor_cx *cx, bool timer_bc) { + acpi_unlazy_tlb(smp_processor_id()); + /* * Must be done before busmaster disable as we might need to * access HPET ! diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c index 74f738cb6073..813f1b78c16a 100644 --- a/drivers/acpi/processor_pdc.c +++ b/drivers/acpi/processor_pdc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005 Intel Corporation * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index a6c77e8b37bd..71769fd687b2 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/acpi.h> diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index d85e010ee2cc..316a0fc785e3 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -381,6 +381,7 @@ unsigned int acpi_dev_get_irq_type(int triggering, int polarity) case ACPI_ACTIVE_BOTH: if (triggering == ACPI_EDGE_SENSITIVE) return IRQ_TYPE_EDGE_BOTH; + /* fall through */ default: return IRQ_TYPE_NONE; } diff --git a/drivers/acpi/sbshc.h b/drivers/acpi/sbshc.h index a57b0762dd7f..06372a37df10 100644 --- a/drivers/acpi/sbshc.h +++ b/drivers/acpi/sbshc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ struct acpi_smb_hc; enum acpi_smb_protocol { SMBUS_WRITE_QUICK = 2, diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 602f8ff212f2..e14e964bfe6d 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1505,41 +1505,38 @@ static void acpi_init_coherency(struct acpi_device *adev) adev->flags.coherent_dma = cca; } -static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) +static int acpi_check_serial_bus_slave(struct acpi_resource *ares, void *data) { - bool *is_spi_i2c_slave_p = data; + bool *is_serial_bus_slave_p = data; if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) return 1; - /* - * devices that are connected to UART still need to be enumerated to - * platform bus - */ - if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) - *is_spi_i2c_slave_p = true; + *is_serial_bus_slave_p = true; /* no need to do more checking */ return -1; } -static bool acpi_is_spi_i2c_slave(struct acpi_device *device) +static bool acpi_is_serial_bus_slave(struct acpi_device *device) { struct list_head resource_list; - bool is_spi_i2c_slave = false; + bool is_serial_bus_slave = false; /* Macs use device properties in lieu of _CRS resources */ if (x86_apple_machine && (fwnode_property_present(&device->fwnode, "spiSclkPeriod") || - fwnode_property_present(&device->fwnode, "i2cAddress"))) + fwnode_property_present(&device->fwnode, "i2cAddress") || + fwnode_property_present(&device->fwnode, "baud"))) return true; INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, - &is_spi_i2c_slave); + acpi_dev_get_resources(device, &resource_list, + acpi_check_serial_bus_slave, + &is_serial_bus_slave); acpi_dev_free_resource_list(&resource_list); - return is_spi_i2c_slave; + return is_serial_bus_slave; } void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, @@ -1557,7 +1554,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, acpi_bus_get_flags(device); device->flags.match_driver = false; device->flags.initialized = true; - device->flags.spi_i2c_slave = acpi_is_spi_i2c_slave(device); + device->flags.serial_bus_slave = acpi_is_serial_bus_slave(device); acpi_device_clear_enumerated(device); device_initialize(&device->dev); dev_set_uevent_suppress(&device->dev, true); @@ -1841,10 +1838,10 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used, static void acpi_default_enumeration(struct acpi_device *device) { /* - * Do not enumerate SPI/I2C slaves as they will be enumerated by their - * respective parents. + * Do not enumerate SPI/I2C/UART slaves as they will be enumerated by + * their respective parents. */ - if (!device->flags.spi_i2c_slave) { + if (!device->flags.serial_bus_slave) { acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { @@ -1941,7 +1938,7 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (ret > 0 && !device->flags.spi_i2c_slave) { + if (ret > 0 && !device->flags.serial_bus_slave) { acpi_device_set_enumerated(device); goto ok; } @@ -1950,7 +1947,7 @@ static void acpi_bus_attach(struct acpi_device *device) if (ret < 0) return; - if (!device->pnp.type.platform_id && !device->flags.spi_i2c_slave) + if (!device->pnp.type.platform_id && !device->flags.serial_bus_slave) acpi_device_set_enumerated(device); else acpi_default_enumeration(device); @@ -2122,6 +2119,7 @@ int __init acpi_scan_init(void) acpi_int340x_thermal_init(); acpi_amba_init(); acpi_watchdog_init(); + acpi_init_lpit(); acpi_scan_add_handler(&generic_device_handler); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 6804ddab3052..8082871b409a 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -160,6 +160,14 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d) return 0; } +static bool acpi_sleep_no_lps0; + +static int __init init_no_lps0(const struct dmi_system_id *d) +{ + acpi_sleep_no_lps0 = true; + return 0; +} + static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { { .callback = init_old_suspend_ordering, @@ -343,6 +351,19 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "80E3"), }, }, + /* + * https://bugzilla.kernel.org/show_bug.cgi?id=196907 + * Some Dell XPS13 9360 cannot do suspend-to-idle using the Low Power + * S0 Idle firmware interface. + */ + { + .callback = init_no_lps0, + .ident = "Dell XPS13 9360", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), + }, + }, {}, }; @@ -485,6 +506,7 @@ static void acpi_pm_end(void) } #else /* !CONFIG_ACPI_SLEEP */ #define acpi_target_sleep_state ACPI_STATE_S0 +#define acpi_sleep_no_lps0 (false) static inline void acpi_sleep_dmi_check(void) {} #endif /* CONFIG_ACPI_SLEEP */ @@ -863,6 +885,12 @@ static int lps0_device_attach(struct acpi_device *adev, if (lps0_device_handle) return 0; + if (acpi_sleep_no_lps0) { + acpi_handle_info(adev->handle, + "Low Power S0 Idle interface disabled\n"); + return 0; + } + if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) return 0; diff --git a/drivers/acpi/sleep.h b/drivers/acpi/sleep.h index a82ff74faf7a..41675d24a9bc 100644 --- a/drivers/acpi/sleep.h +++ b/drivers/acpi/sleep.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ extern void acpi_enable_wakeup_devices(u8 sleep_state); extern void acpi_disable_wakeup_devices(u8 sleep_state); diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 78a5a23010ab..bc303df60d5d 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sysfs.c - ACPI sysfs interface to userspace. */ @@ -168,7 +169,8 @@ module_param_cb(debug_level, ¶m_ops_debug_level, &acpi_dbg_level, 0644); static char trace_method_name[1024]; -int param_set_trace_method_name(const char *val, const struct kernel_param *kp) +static int param_set_trace_method_name(const char *val, + const struct kernel_param *kp) { u32 saved_flags = 0; bool is_abs_path = true; diff --git a/drivers/acpi/wakeup.c b/drivers/acpi/wakeup.c index 1638401ab282..9614126bf56e 100644 --- a/drivers/acpi/wakeup.c +++ b/drivers/acpi/wakeup.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * wakeup.c - support wakeup devices * Copyright (C) 2004 Li Shaohua <shaohua.li@intel.com> diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index b4fbb9929482..ec5b0f190231 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -71,18 +71,34 @@ static const struct always_present_id always_present_ids[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"), }), /* - * The GPD win BIOS dated 20170320 has disabled the accelerometer, the + * The GPD win BIOS dated 20170221 has disabled the accelerometer, the * drivers sometimes cause crashes under Windows and this is how the * manufacturer has solved this :| Note that the the DMI data is less * generic then it seems, a board_vendor of "AMI Corporation" is quite * rare and a board_name of "Default String" also is rare. + * + * Unfortunately the GPD pocket also uses these strings and its BIOS + * was copy-pasted from the GPD win, so it has a disabled KIOX000A + * node which we should not enable, thus we also check the BIOS date. */ ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), DMI_MATCH(DMI_BOARD_NAME, "Default string"), DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), + DMI_MATCH(DMI_BIOS_DATE, "02/21/2017") + }), + ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Default string"), + DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), DMI_MATCH(DMI_BIOS_DATE, "03/20/2017") }), + ENTRY("KIOX000A", "1", ICPU(INTEL_FAM6_ATOM_AIRMONT), { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Default string"), + DMI_MATCH(DMI_PRODUCT_NAME, "Default string"), + DMI_MATCH(DMI_BIOS_DATE, "05/25/2017") + }), }; bool acpi_device_always_present(struct acpi_device *adev) diff --git a/drivers/amba/Kconfig b/drivers/amba/Kconfig index 294ba6f36396..fb6c7e0b4cce 100644 --- a/drivers/amba/Kconfig +++ b/drivers/amba/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config ARM_AMBA bool diff --git a/drivers/android/Kconfig b/drivers/android/Kconfig index 9801d852bd56..7dce3795b887 100644 --- a/drivers/android/Kconfig +++ b/drivers/android/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Android" config ANDROID diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 488c93724220..cb5339166563 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # SATA/PATA driver configuration # diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile index ff9cd2e37458..8daec3e657f8 100644 --- a/drivers/ata/Makefile +++ b/drivers/ata/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ATA) += libata.o diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 8b61123d2c3c..749fd94441b0 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -303,6 +303,7 @@ struct ahci_em_priv { unsigned long saved_activity; unsigned long activity; unsigned long led_state; + struct ata_link *link; }; struct ahci_port_priv { diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 3e286d86ab42..a0de7a38430c 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -968,12 +968,12 @@ static void ahci_sw_activity(struct ata_link *link) mod_timer(&emp->timer, jiffies + msecs_to_jiffies(10)); } -static void ahci_sw_activity_blink(unsigned long arg) +static void ahci_sw_activity_blink(struct timer_list *t) { - struct ata_link *link = (struct ata_link *)arg; + struct ahci_em_priv *emp = from_timer(emp, t, timer); + struct ata_link *link = emp->link; struct ata_port *ap = link->ap; - struct ahci_port_priv *pp = ap->private_data; - struct ahci_em_priv *emp = &pp->em_priv[link->pmp]; + unsigned long led_message = emp->led_state; u32 activity_led_state; unsigned long flags; @@ -1020,7 +1020,8 @@ static void ahci_init_sw_activity(struct ata_link *link) /* init activity stats, setup timer */ emp->saved_activity = emp->activity = 0; - setup_timer(&emp->timer, ahci_sw_activity_blink, (unsigned long)link); + emp->link = link; + timer_setup(&emp->timer, ahci_sw_activity_blink, 0); /* check our blink policy and set flag for link if it's enabled */ if (emp->blink_policy) diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index ee4c1ec9dca0..b8ac4902d312 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -5979,9 +5979,8 @@ struct ata_port *ata_port_alloc(struct ata_host *host) INIT_LIST_HEAD(&ap->eh_done_q); init_waitqueue_head(&ap->eh_wait_q); init_completion(&ap->park_req_pending); - setup_deferrable_timer(&ap->fastdrain_timer, - ata_eh_fastdrain_timerfn, - (unsigned long)ap); + timer_setup(&ap->fastdrain_timer, ata_eh_fastdrain_timerfn, + TIMER_DEFERRABLE); ap->cbl = ATA_CBL_NONE; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index e4effef0c83f..ece6fd91a947 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -879,9 +879,9 @@ static int ata_eh_nr_in_flight(struct ata_port *ap) return nr; } -void ata_eh_fastdrain_timerfn(unsigned long arg) +void ata_eh_fastdrain_timerfn(struct timer_list *t) { - struct ata_port *ap = (void *)arg; + struct ata_port *ap = from_timer(ap, t, fastdrain_timer); unsigned long flags; int cnt; diff --git a/drivers/ata/libata-transport.h b/drivers/ata/libata-transport.h index 2820cf864f11..08a57fb9dc61 100644 --- a/drivers/ata/libata-transport.h +++ b/drivers/ata/libata-transport.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LIBATA_TRANSPORT_H #define _LIBATA_TRANSPORT_H diff --git a/drivers/ata/libata-zpodd.c b/drivers/ata/libata-zpodd.c index 23a62e4015d0..de4ddd0e8550 100644 --- a/drivers/ata/libata-zpodd.c +++ b/drivers/ata/libata-zpodd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/libata.h> #include <linux/cdrom.h> #include <linux/pm_runtime.h> diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index 839d487394b7..08a245b76417 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -154,7 +154,7 @@ extern void ata_internal_cmd_timed_out(struct ata_device *dev, u8 cmd); extern void ata_eh_acquire(struct ata_port *ap); extern void ata_eh_release(struct ata_port *ap); extern void ata_scsi_error(struct Scsi_Host *host); -extern void ata_eh_fastdrain_timerfn(unsigned long arg); +extern void ata_eh_fastdrain_timerfn(struct timer_list *t); extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc); extern void ata_dev_disable(struct ata_device *dev); extern void ata_eh_detach_dev(struct ata_device *dev); diff --git a/drivers/ata/sata_gemini.h b/drivers/ata/sata_gemini.h index ca1837a394c8..6f6e691d6007 100644 --- a/drivers/ata/sata_gemini.h +++ b/drivers/ata/sata_gemini.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Header for the Gemini SATA bridge */ #ifndef SATA_GEMINI_H #define SATA_GEMINI_H diff --git a/drivers/ata/sis.h b/drivers/ata/sis.h index f7f3eebe666c..0be49691fb24 100644 --- a/drivers/ata/sis.h +++ b/drivers/ata/sis.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ struct ata_port_info; diff --git a/drivers/atm/Kconfig b/drivers/atm/Kconfig index 31c60101a69a..2e2efa577437 100644 --- a/drivers/atm/Kconfig +++ b/drivers/atm/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # ATM device configuration # diff --git a/drivers/atm/Makefile b/drivers/atm/Makefile index c6c9ee9f5da2..aa191616a72e 100644 --- a/drivers/atm/Makefile +++ b/drivers/atm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux network (ATM) device drivers. # diff --git a/drivers/atm/eni.h b/drivers/atm/eni.h index 565e53a5cb78..de1ed802cbf8 100644 --- a/drivers/atm/eni.h +++ b/drivers/atm/eni.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/eni.h - Efficient Networks ENI155P device driver declarations */ /* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ diff --git a/drivers/atm/fore200e.h b/drivers/atm/fore200e.h index ba34a02b717d..c8a02c8fba15 100644 --- a/drivers/atm/fore200e.h +++ b/drivers/atm/fore200e.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FORE200E_H #define _FORE200E_H diff --git a/drivers/atm/idt77105.c b/drivers/atm/idt77105.c index 082aa02abc57..57af9fd198e4 100644 --- a/drivers/atm/idt77105.c +++ b/drivers/atm/idt77105.c @@ -49,8 +49,8 @@ static void idt77105_stats_timer_func(unsigned long); static void idt77105_restart_timer_func(unsigned long); -static DEFINE_TIMER(stats_timer, idt77105_stats_timer_func, 0, 0); -static DEFINE_TIMER(restart_timer, idt77105_restart_timer_func, 0, 0); +static DEFINE_TIMER(stats_timer, idt77105_stats_timer_func); +static DEFINE_TIMER(restart_timer, idt77105_restart_timer_func); static int start_timer = 1; static struct idt77105_priv *idt77105_all = NULL; diff --git a/drivers/atm/idt77105.h b/drivers/atm/idt77105.h index 3fd2bc899761..8dfea9e361de 100644 --- a/drivers/atm/idt77105.h +++ b/drivers/atm/idt77105.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/idt77105.h - IDT77105 (PHY) declarations */ /* Written 1999 by Greg Banks, NEC Australia <gnb@linuxfan.com>. Based on suni.h */ diff --git a/drivers/atm/idt77252_tables.h b/drivers/atm/idt77252_tables.h index b6c8ee512fb4..12b81e046a7b 100644 --- a/drivers/atm/idt77252_tables.h +++ b/drivers/atm/idt77252_tables.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Do not edit, automatically generated by `./genrtbl'. * * Cell Line Rate: 353207.55 (155520000 bps) diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index fc72b763fdd7..ad6b582c268e 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -76,7 +76,7 @@ static IADEV *ia_dev[8]; static struct atm_dev *_ia_dev[8]; static int iadev_count; static void ia_led_timer(unsigned long arg); -static DEFINE_TIMER(ia_timer, ia_led_timer, 0, 0); +static DEFINE_TIMER(ia_timer, ia_led_timer); static int IA_TX_BUF = DFL_TX_BUFFERS, IA_TX_BUF_SZ = DFL_TX_BUF_SZ; static int IA_RX_BUF = DFL_RX_BUFFERS, IA_RX_BUF_SZ = DFL_RX_BUF_SZ; static uint IADebugFlag = /* IF_IADBG_ERR | IF_IADBG_CBR| IF_IADBG_INIT_ADAPTER diff --git a/drivers/atm/midway.h b/drivers/atm/midway.h index d8bec0f2a71c..d47307adc0c9 100644 --- a/drivers/atm/midway.h +++ b/drivers/atm/midway.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/midway.h - Efficient Networks Midway (SAR) description */ /* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ diff --git a/drivers/atm/nicstar.h b/drivers/atm/nicstar.h index 9bc27ea5088e..1b7f1dfc1735 100644 --- a/drivers/atm/nicstar.h +++ b/drivers/atm/nicstar.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * nicstar.h * diff --git a/drivers/atm/nicstarmac.c b/drivers/atm/nicstarmac.c index f594526f8c6d..e0dda9062e6b 100644 --- a/drivers/atm/nicstarmac.c +++ b/drivers/atm/nicstarmac.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * this file included by nicstar.c */ diff --git a/drivers/atm/solos-attrlist.c b/drivers/atm/solos-attrlist.c index 9a676ee30824..1830d1b8619f 100644 --- a/drivers/atm/solos-attrlist.c +++ b/drivers/atm/solos-attrlist.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 SOLOS_ATTR_RO(DriverVersion) SOLOS_ATTR_RO(APIVersion) SOLOS_ATTR_RO(FirmwareVersion) diff --git a/drivers/atm/suni.h b/drivers/atm/suni.h index 7e3e656b3993..d28a50d47d8b 100644 --- a/drivers/atm/suni.h +++ b/drivers/atm/suni.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * drivers/atm/suni.h - S/UNI PHY driver */ diff --git a/drivers/atm/tonga.h b/drivers/atm/tonga.h index 672da96243ca..771b3f95246c 100644 --- a/drivers/atm/tonga.h +++ b/drivers/atm/tonga.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/tonga.h - Efficient Networks Tonga (PCI bridge) declarations */ /* Written 1995 by Werner Almesberger, EPFL LRC */ diff --git a/drivers/atm/uPD98401.h b/drivers/atm/uPD98401.h index 0ab36503a4b7..f766a5ef0c5d 100644 --- a/drivers/atm/uPD98401.h +++ b/drivers/atm/uPD98401.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/uPD98401.h - NEC uPD98401 (SAR) declarations */ /* Written 1995 by Werner Almesberger, EPFL LRC */ diff --git a/drivers/atm/uPD98402.h b/drivers/atm/uPD98402.h index c947214db7e3..437cfaa20c96 100644 --- a/drivers/atm/uPD98402.h +++ b/drivers/atm/uPD98402.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/uPD98402.h - NEC uPD98402 (PHY) declarations */ /* Written 1995 by Werner Almesberger, EPFL LRC */ diff --git a/drivers/atm/zatm.h b/drivers/atm/zatm.h index ae9165ce15a0..8204369fe825 100644 --- a/drivers/atm/zatm.h +++ b/drivers/atm/zatm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/zatm.h - ZeitNet ZN122x device driver declarations */ /* Written 1995-1998 by Werner Almesberger, EPFL LRC/ICA */ diff --git a/drivers/atm/zeprom.h b/drivers/atm/zeprom.h index 019bb82490e9..88e01f808a86 100644 --- a/drivers/atm/zeprom.h +++ b/drivers/atm/zeprom.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* drivers/atm/zeprom.h - ZeitNet ZN122x EEPROM (NM93C46) declarations */ /* Written 1995,1996 by Werner Almesberger, EPFL LRC */ diff --git a/drivers/auxdisplay/Kconfig b/drivers/auxdisplay/Kconfig index 9ae6681c90ad..d7d21118d3e0 100644 --- a/drivers/auxdisplay/Kconfig +++ b/drivers/auxdisplay/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # For a description of the syntax of this configuration file, # see Documentation/kbuild/kconfig-language.txt. diff --git a/drivers/auxdisplay/Makefile b/drivers/auxdisplay/Makefile index 2b8af3dc5e42..7ac6776ca3f6 100644 --- a/drivers/auxdisplay/Makefile +++ b/drivers/auxdisplay/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel auxiliary displays device drivers. # diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index 25306fa27251..db040b378224 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2016 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -229,9 +229,9 @@ MODULE_DEVICE_TABLE(of, img_ascii_lcd_matches); * Scroll the current message along the LCD by one character, rearming the * timer if required. */ -static void img_ascii_lcd_scroll(unsigned long arg) +static void img_ascii_lcd_scroll(struct timer_list *t) { - struct img_ascii_lcd_ctx *ctx = (struct img_ascii_lcd_ctx *)arg; + struct img_ascii_lcd_ctx *ctx = from_timer(ctx, t, timer); unsigned int i, ch = ctx->scroll_pos; unsigned int num_chars = ctx->cfg->num_chars; @@ -299,7 +299,7 @@ static int img_ascii_lcd_display(struct img_ascii_lcd_ctx *ctx, ctx->scroll_pos = 0; /* update the LCD */ - img_ascii_lcd_scroll((unsigned long)ctx); + img_ascii_lcd_scroll(&ctx->timer); return 0; } @@ -395,9 +395,7 @@ static int img_ascii_lcd_probe(struct platform_device *pdev) ctx->scroll_rate = HZ / 2; /* initialise a timer for scrolling the message */ - init_timer(&ctx->timer); - ctx->timer.function = img_ascii_lcd_scroll; - ctx->timer.data = (unsigned long)ctx; + timer_setup(&ctx->timer, img_ascii_lcd_scroll, 0); platform_set_drvdata(pdev, ctx); diff --git a/drivers/auxdisplay/panel.c b/drivers/auxdisplay/panel.c index 6911acd896d9..ea7869c0d7f9 100644 --- a/drivers/auxdisplay/panel.c +++ b/drivers/auxdisplay/panel.c @@ -1396,7 +1396,7 @@ static void panel_process_inputs(void) } } -static void panel_scan_timer(void) +static void panel_scan_timer(struct timer_list *unused) { if (keypad.enabled && keypad_initialized) { if (spin_trylock_irq(&pprt_lock)) { @@ -1421,7 +1421,7 @@ static void init_scan_timer(void) if (scan_timer.function) return; /* already started */ - setup_timer(&scan_timer, (void *)&panel_scan_timer, 0); + timer_setup(&scan_timer, panel_scan_timer, 0); scan_timer.expires = jiffies + INPUT_POLL_TIME; add_timer(&scan_timer); } diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig index 1a5f6a157a57..2f6614c9a229 100644 --- a/drivers/base/Kconfig +++ b/drivers/base/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Generic Driver Options" config UEVENT_HELPER diff --git a/drivers/base/Makefile b/drivers/base/Makefile index 397e5c344e6a..e32a52490051 100644 --- a/drivers/base/Makefile +++ b/drivers/base/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Linux device tree obj-y := component.o core.o bus.o dd.o syscore.o \ diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 6df7d6676a48..0739c5b953bf 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -22,14 +22,23 @@ #include <linux/string.h> #include <linux/sched/topology.h> -static DEFINE_MUTEX(cpu_scale_mutex); -static DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE; +DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; -unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu) +void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, + unsigned long max_freq) { - return per_cpu(cpu_scale, cpu); + unsigned long scale; + int i; + + scale = (cur_freq << SCHED_CAPACITY_SHIFT) / max_freq; + + for_each_cpu(i, cpus) + per_cpu(freq_scale, i) = scale; } +static DEFINE_MUTEX(cpu_scale_mutex); +DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE; + void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity) { per_cpu(cpu_scale, cpu) = capacity; @@ -212,6 +221,8 @@ static struct notifier_block init_cpu_capacity_notifier __initdata = { static int __init register_cpufreq_notifier(void) { + int ret; + /* * on ACPI-based systems we need to use the default cpu capacity * until we have the necessary code to parse the cpu capacity, so @@ -227,8 +238,13 @@ static int __init register_cpufreq_notifier(void) cpumask_copy(cpus_to_visit, cpu_possible_mask); - return cpufreq_register_notifier(&init_cpu_capacity_notifier, - CPUFREQ_POLICY_NOTIFIER); + ret = cpufreq_register_notifier(&init_cpu_capacity_notifier, + CPUFREQ_POLICY_NOTIFIER); + + if (ret) + free_cpumask_var(cpus_to_visit); + + return ret; } core_initcall(register_cpufreq_notifier); @@ -236,6 +252,7 @@ static void __init parsing_done_workfn(struct work_struct *work) { cpufreq_unregister_notifier(&init_cpu_capacity_notifier, CPUFREQ_POLICY_NOTIFIER); + free_cpumask_var(cpus_to_visit); } #else diff --git a/drivers/base/base.h b/drivers/base/base.h index 539432a14b5c..d800de650fa5 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/notifier.h> /** diff --git a/drivers/base/core.c b/drivers/base/core.c index 12ebd055724c..4b8ba2a75a4d 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -668,7 +668,7 @@ const char *dev_driver_string(const struct device *dev) * so be careful about accessing it. dev->bus and dev->class should * never change once they are set, so they don't need special care. */ - drv = ACCESS_ONCE(dev->driver); + drv = READ_ONCE(dev->driver); return drv ? drv->name : (dev->bus ? dev->bus->name : (dev->class ? dev->class->name : "")); diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 321cd7b4d817..58a9b608d821 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -18,6 +18,7 @@ #include <linux/cpufeature.h> #include <linux/tick.h> #include <linux/pm_qos.h> +#include <linux/sched/isolation.h> #include "base.h" @@ -271,8 +272,16 @@ static ssize_t print_cpus_isolated(struct device *dev, struct device_attribute *attr, char *buf) { int n = 0, len = PAGE_SIZE-2; + cpumask_var_t isolated; - n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(cpu_isolated_map)); + if (!alloc_cpumask_var(&isolated, GFP_KERNEL)) + return -ENOMEM; + + cpumask_andnot(isolated, cpu_possible_mask, + housekeeping_cpumask(HK_FLAG_DOMAIN)); + n = scnprintf(buf, len, "%*pbl\n", cpumask_pr_args(isolated)); + + free_cpumask_var(isolated); return n; } @@ -377,7 +386,8 @@ int register_cpu(struct cpu *cpu, int num) per_cpu(cpu_sys_devices, num) = &cpu->dev; register_cpu_under_node(num, cpu_to_node(num)); - dev_pm_qos_expose_latency_limit(&cpu->dev, 0); + dev_pm_qos_expose_latency_limit(&cpu->dev, + PM_QOS_RESUME_LATENCY_NO_CONSTRAINT); return 0; } diff --git a/drivers/base/dd.c b/drivers/base/dd.c index ad44b40fe284..45575e134696 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -464,6 +464,7 @@ pinctrl_bind_failed: if (dev->pm_domain && dev->pm_domain->dismiss) dev->pm_domain->dismiss(dev); pm_runtime_reinit(dev); + dev_pm_set_driver_flags(dev, 0); switch (ret) { case -EPROBE_DEFER: @@ -869,6 +870,7 @@ static void __device_release_driver(struct device *dev, struct device *parent) if (dev->pm_domain && dev->pm_domain->dismiss) dev->pm_domain->dismiss(dev); pm_runtime_reinit(dev); + dev_pm_set_driver_flags(dev, 0); klist_remove(&dev->p->knode_driver); device_pm_check_callbacks(dev); diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c index d2fb9c8ed205..50025d7959cb 100644 --- a/drivers/base/devtmpfs.c +++ b/drivers/base/devtmpfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * devtmpfs - kernel-maintained tmpfs-based /dev * diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c index 744f64f43454..1e6396bb807b 100644 --- a/drivers/base/dma-coherent.c +++ b/drivers/base/dma-coherent.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Coherent per-device memory handling. * Borrowed from i386 diff --git a/drivers/base/memory.c b/drivers/base/memory.c index 4e3b61cda520..1d60b58a8c19 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Memory subsystem support * diff --git a/drivers/base/node.c b/drivers/base/node.c index aae2402f3791..ee090ab9171c 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Basic Node interface support */ diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile index 5998c53280f5..e1bb691cf8f1 100644 --- a/drivers/base/power/Makefile +++ b/drivers/base/power/Makefile @@ -1,7 +1,7 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PM) += sysfs.o generic_ops.o common.o qos.o runtime.o wakeirq.o obj-$(CONFIG_PM_SLEEP) += main.o wakeup.o obj-$(CONFIG_PM_TRACE_RTC) += trace.o -obj-$(CONFIG_PM_OPP) += opp/ obj-$(CONFIG_PM_GENERIC_DOMAINS) += domain.o domain_governor.o obj-$(CONFIG_HAVE_CLK) += clock_ops.o diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index e8ca5e2cf1e5..0c80bea05bcb 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -124,6 +124,7 @@ static const struct genpd_lock_ops genpd_spin_ops = { #define genpd_status_on(genpd) (genpd->status == GPD_STATE_ACTIVE) #define genpd_is_irq_safe(genpd) (genpd->flags & GENPD_FLAG_IRQ_SAFE) #define genpd_is_always_on(genpd) (genpd->flags & GENPD_FLAG_ALWAYS_ON) +#define genpd_is_active_wakeup(genpd) (genpd->flags & GENPD_FLAG_ACTIVE_WAKEUP) static inline bool irq_safe_dev_in_no_sleep_domain(struct device *dev, const struct generic_pm_domain *genpd) @@ -237,6 +238,95 @@ static void genpd_update_accounting(struct generic_pm_domain *genpd) static inline void genpd_update_accounting(struct generic_pm_domain *genpd) {} #endif +/** + * dev_pm_genpd_set_performance_state- Set performance state of device's power + * domain. + * + * @dev: Device for which the performance-state needs to be set. + * @state: Target performance state of the device. This can be set as 0 when the + * device doesn't have any performance state constraints left (And so + * the device wouldn't participate anymore to find the target + * performance state of the genpd). + * + * It is assumed that the users guarantee that the genpd wouldn't be detached + * while this routine is getting called. + * + * Returns 0 on success and negative error values on failures. + */ +int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state) +{ + struct generic_pm_domain *genpd; + struct generic_pm_domain_data *gpd_data, *pd_data; + struct pm_domain_data *pdd; + unsigned int prev; + int ret = 0; + + genpd = dev_to_genpd(dev); + if (IS_ERR(genpd)) + return -ENODEV; + + if (unlikely(!genpd->set_performance_state)) + return -EINVAL; + + if (unlikely(!dev->power.subsys_data || + !dev->power.subsys_data->domain_data)) { + WARN_ON(1); + return -EINVAL; + } + + genpd_lock(genpd); + + gpd_data = to_gpd_data(dev->power.subsys_data->domain_data); + prev = gpd_data->performance_state; + gpd_data->performance_state = state; + + /* New requested state is same as Max requested state */ + if (state == genpd->performance_state) + goto unlock; + + /* New requested state is higher than Max requested state */ + if (state > genpd->performance_state) + goto update_state; + + /* Traverse all devices within the domain */ + list_for_each_entry(pdd, &genpd->dev_list, list_node) { + pd_data = to_gpd_data(pdd); + + if (pd_data->performance_state > state) + state = pd_data->performance_state; + } + + if (state == genpd->performance_state) + goto unlock; + + /* + * We aren't propagating performance state changes of a subdomain to its + * masters as we don't have hardware that needs it. Over that, the + * performance states of subdomain and its masters may not have + * one-to-one mapping and would require additional information. We can + * get back to this once we have hardware that needs it. For that + * reason, we don't have to consider performance state of the subdomains + * of genpd here. + */ + +update_state: + if (genpd_status_on(genpd)) { + ret = genpd->set_performance_state(genpd, state); + if (ret) { + gpd_data->performance_state = prev; + goto unlock; + } + } + + genpd->performance_state = state; + +unlock: + genpd_unlock(genpd); + + return ret; +} +EXPORT_SYMBOL_GPL(dev_pm_genpd_set_performance_state); + static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed) { unsigned int state_idx = genpd->state_idx; @@ -256,6 +346,15 @@ static int _genpd_power_on(struct generic_pm_domain *genpd, bool timed) return ret; elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start)); + + if (unlikely(genpd->set_performance_state)) { + ret = genpd->set_performance_state(genpd, genpd->performance_state); + if (ret) { + pr_warn("%s: Failed to set performance state %d (%d)\n", + genpd->name, genpd->performance_state, ret); + } + } + if (elapsed_ns <= genpd->states[state_idx].power_on_latency_ns) return ret; @@ -346,9 +445,7 @@ static int genpd_power_off(struct generic_pm_domain *genpd, bool one_dev_on, list_for_each_entry(pdd, &genpd->dev_list, list_node) { enum pm_qos_flags_status stat; - stat = dev_pm_qos_flags(pdd->dev, - PM_QOS_FLAG_NO_POWER_OFF - | PM_QOS_FLAG_REMOTE_WAKEUP); + stat = dev_pm_qos_flags(pdd->dev, PM_QOS_FLAG_NO_POWER_OFF); if (stat > PM_QOS_FLAGS_NONE) return -EBUSY; @@ -749,11 +846,7 @@ late_initcall(genpd_power_off_unused); #if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_GENERIC_DOMAINS_OF) -/** - * pm_genpd_present - Check if the given PM domain has been initialized. - * @genpd: PM domain to check. - */ -static bool pm_genpd_present(const struct generic_pm_domain *genpd) +static bool genpd_present(const struct generic_pm_domain *genpd) { const struct generic_pm_domain *gpd; @@ -771,12 +864,6 @@ static bool pm_genpd_present(const struct generic_pm_domain *genpd) #ifdef CONFIG_PM_SLEEP -static bool genpd_dev_active_wakeup(const struct generic_pm_domain *genpd, - struct device *dev) -{ - return GENPD_DEV_CALLBACK(genpd, bool, active_wakeup, dev); -} - /** * genpd_sync_power_off - Synchronously power off a PM domain and its masters. * @genpd: PM domain to power off, if possible. @@ -863,7 +950,7 @@ static void genpd_sync_power_on(struct generic_pm_domain *genpd, bool use_lock, * @genpd: PM domain the device belongs to. * * There are two cases in which a device that can wake up the system from sleep - * states should be resumed by pm_genpd_prepare(): (1) if the device is enabled + * states should be resumed by genpd_prepare(): (1) if the device is enabled * to wake up the system and it has to remain active for this purpose while the * system is in the sleep state and (2) if the device is not enabled to wake up * the system from sleep states and it generally doesn't generate wakeup signals @@ -881,12 +968,12 @@ static bool resume_needed(struct device *dev, if (!device_can_wakeup(dev)) return false; - active_wakeup = genpd_dev_active_wakeup(genpd, dev); + active_wakeup = genpd_is_active_wakeup(genpd); return device_may_wakeup(dev) ? active_wakeup : !active_wakeup; } /** - * pm_genpd_prepare - Start power transition of a device in a PM domain. + * genpd_prepare - Start power transition of a device in a PM domain. * @dev: Device to start the transition of. * * Start a power transition of a device (during a system-wide power transition) @@ -894,7 +981,7 @@ static bool resume_needed(struct device *dev, * an object of type struct generic_pm_domain representing a PM domain * consisting of I/O devices. */ -static int pm_genpd_prepare(struct device *dev) +static int genpd_prepare(struct device *dev) { struct generic_pm_domain *genpd; int ret; @@ -921,7 +1008,7 @@ static int pm_genpd_prepare(struct device *dev) genpd_unlock(genpd); ret = pm_generic_prepare(dev); - if (ret) { + if (ret < 0) { genpd_lock(genpd); genpd->prepared_count--; @@ -929,7 +1016,8 @@ static int pm_genpd_prepare(struct device *dev) genpd_unlock(genpd); } - return ret; + /* Never return 1, as genpd don't cope with the direct_complete path. */ + return ret >= 0 ? 0 : ret; } /** @@ -950,7 +1038,7 @@ static int genpd_finish_suspend(struct device *dev, bool poweroff) if (IS_ERR(genpd)) return -EINVAL; - if (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev)) + if (dev->power.wakeup_path && genpd_is_active_wakeup(genpd)) return 0; if (poweroff) @@ -975,13 +1063,13 @@ static int genpd_finish_suspend(struct device *dev, bool poweroff) } /** - * pm_genpd_suspend_noirq - Completion of suspend of device in an I/O PM domain. + * genpd_suspend_noirq - Completion of suspend of device in an I/O PM domain. * @dev: Device to suspend. * * Stop the device and remove power from the domain if all devices in it have * been stopped. */ -static int pm_genpd_suspend_noirq(struct device *dev) +static int genpd_suspend_noirq(struct device *dev) { dev_dbg(dev, "%s()\n", __func__); @@ -989,12 +1077,12 @@ static int pm_genpd_suspend_noirq(struct device *dev) } /** - * pm_genpd_resume_noirq - Start of resume of device in an I/O PM domain. + * genpd_resume_noirq - Start of resume of device in an I/O PM domain. * @dev: Device to resume. * * Restore power to the device's PM domain, if necessary, and start the device. */ -static int pm_genpd_resume_noirq(struct device *dev) +static int genpd_resume_noirq(struct device *dev) { struct generic_pm_domain *genpd; int ret = 0; @@ -1005,7 +1093,7 @@ static int pm_genpd_resume_noirq(struct device *dev) if (IS_ERR(genpd)) return -EINVAL; - if (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev)) + if (dev->power.wakeup_path && genpd_is_active_wakeup(genpd)) return 0; genpd_lock(genpd); @@ -1024,7 +1112,7 @@ static int pm_genpd_resume_noirq(struct device *dev) } /** - * pm_genpd_freeze_noirq - Completion of freezing a device in an I/O PM domain. + * genpd_freeze_noirq - Completion of freezing a device in an I/O PM domain. * @dev: Device to freeze. * * Carry out a late freeze of a device under the assumption that its @@ -1032,7 +1120,7 @@ static int pm_genpd_resume_noirq(struct device *dev) * struct generic_pm_domain representing a power domain consisting of I/O * devices. */ -static int pm_genpd_freeze_noirq(struct device *dev) +static int genpd_freeze_noirq(struct device *dev) { const struct generic_pm_domain *genpd; int ret = 0; @@ -1054,13 +1142,13 @@ static int pm_genpd_freeze_noirq(struct device *dev) } /** - * pm_genpd_thaw_noirq - Early thaw of device in an I/O PM domain. + * genpd_thaw_noirq - Early thaw of device in an I/O PM domain. * @dev: Device to thaw. * * Start the device, unless power has been removed from the domain already * before the system transition. */ -static int pm_genpd_thaw_noirq(struct device *dev) +static int genpd_thaw_noirq(struct device *dev) { const struct generic_pm_domain *genpd; int ret = 0; @@ -1081,14 +1169,14 @@ static int pm_genpd_thaw_noirq(struct device *dev) } /** - * pm_genpd_poweroff_noirq - Completion of hibernation of device in an + * genpd_poweroff_noirq - Completion of hibernation of device in an * I/O PM domain. * @dev: Device to poweroff. * * Stop the device and remove power from the domain if all devices in it have * been stopped. */ -static int pm_genpd_poweroff_noirq(struct device *dev) +static int genpd_poweroff_noirq(struct device *dev) { dev_dbg(dev, "%s()\n", __func__); @@ -1096,13 +1184,13 @@ static int pm_genpd_poweroff_noirq(struct device *dev) } /** - * pm_genpd_restore_noirq - Start of restore of device in an I/O PM domain. + * genpd_restore_noirq - Start of restore of device in an I/O PM domain. * @dev: Device to resume. * * Make sure the domain will be in the same power state as before the * hibernation the system is resuming from and start the device if necessary. */ -static int pm_genpd_restore_noirq(struct device *dev) +static int genpd_restore_noirq(struct device *dev) { struct generic_pm_domain *genpd; int ret = 0; @@ -1139,7 +1227,7 @@ static int pm_genpd_restore_noirq(struct device *dev) } /** - * pm_genpd_complete - Complete power transition of a device in a power domain. + * genpd_complete - Complete power transition of a device in a power domain. * @dev: Device to complete the transition of. * * Complete a power transition of a device (during a system-wide power @@ -1147,7 +1235,7 @@ static int pm_genpd_restore_noirq(struct device *dev) * domain member of an object of type struct generic_pm_domain representing * a power domain consisting of I/O devices. */ -static void pm_genpd_complete(struct device *dev) +static void genpd_complete(struct device *dev) { struct generic_pm_domain *genpd; @@ -1180,7 +1268,7 @@ static void genpd_syscore_switch(struct device *dev, bool suspend) struct generic_pm_domain *genpd; genpd = dev_to_genpd(dev); - if (!pm_genpd_present(genpd)) + if (!genpd_present(genpd)) return; if (suspend) { @@ -1206,14 +1294,14 @@ EXPORT_SYMBOL_GPL(pm_genpd_syscore_poweron); #else /* !CONFIG_PM_SLEEP */ -#define pm_genpd_prepare NULL -#define pm_genpd_suspend_noirq NULL -#define pm_genpd_resume_noirq NULL -#define pm_genpd_freeze_noirq NULL -#define pm_genpd_thaw_noirq NULL -#define pm_genpd_poweroff_noirq NULL -#define pm_genpd_restore_noirq NULL -#define pm_genpd_complete NULL +#define genpd_prepare NULL +#define genpd_suspend_noirq NULL +#define genpd_resume_noirq NULL +#define genpd_freeze_noirq NULL +#define genpd_thaw_noirq NULL +#define genpd_poweroff_noirq NULL +#define genpd_restore_noirq NULL +#define genpd_complete NULL #endif /* CONFIG_PM_SLEEP */ @@ -1239,7 +1327,7 @@ static struct generic_pm_domain_data *genpd_alloc_dev_data(struct device *dev, gpd_data->base.dev = dev; gpd_data->td.constraint_changed = true; - gpd_data->td.effective_constraint_ns = -1; + gpd_data->td.effective_constraint_ns = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS; gpd_data->nb.notifier_call = genpd_dev_pm_qos_notifier; spin_lock_irq(&dev->power.lock); @@ -1574,14 +1662,14 @@ int pm_genpd_init(struct generic_pm_domain *genpd, genpd->accounting_time = ktime_get(); genpd->domain.ops.runtime_suspend = genpd_runtime_suspend; genpd->domain.ops.runtime_resume = genpd_runtime_resume; - genpd->domain.ops.prepare = pm_genpd_prepare; - genpd->domain.ops.suspend_noirq = pm_genpd_suspend_noirq; - genpd->domain.ops.resume_noirq = pm_genpd_resume_noirq; - genpd->domain.ops.freeze_noirq = pm_genpd_freeze_noirq; - genpd->domain.ops.thaw_noirq = pm_genpd_thaw_noirq; - genpd->domain.ops.poweroff_noirq = pm_genpd_poweroff_noirq; - genpd->domain.ops.restore_noirq = pm_genpd_restore_noirq; - genpd->domain.ops.complete = pm_genpd_complete; + genpd->domain.ops.prepare = genpd_prepare; + genpd->domain.ops.suspend_noirq = genpd_suspend_noirq; + genpd->domain.ops.resume_noirq = genpd_resume_noirq; + genpd->domain.ops.freeze_noirq = genpd_freeze_noirq; + genpd->domain.ops.thaw_noirq = genpd_thaw_noirq; + genpd->domain.ops.poweroff_noirq = genpd_poweroff_noirq; + genpd->domain.ops.restore_noirq = genpd_restore_noirq; + genpd->domain.ops.complete = genpd_complete; if (genpd->flags & GENPD_FLAG_PM_CLK) { genpd->dev_ops.stop = pm_clk_suspend; @@ -1795,7 +1883,7 @@ int of_genpd_add_provider_simple(struct device_node *np, mutex_lock(&gpd_list_lock); - if (pm_genpd_present(genpd)) { + if (genpd_present(genpd)) { ret = genpd_add_provider(np, genpd_xlate_simple, genpd); if (!ret) { genpd->provider = &np->fwnode; @@ -1831,7 +1919,7 @@ int of_genpd_add_provider_onecell(struct device_node *np, for (i = 0; i < data->num_domains; i++) { if (!data->domains[i]) continue; - if (!pm_genpd_present(data->domains[i])) + if (!genpd_present(data->domains[i])) goto error; data->domains[i]->provider = &np->fwnode; @@ -2274,7 +2362,7 @@ EXPORT_SYMBOL_GPL(of_genpd_parse_idle_states); #include <linux/seq_file.h> #include <linux/init.h> #include <linux/kobject.h> -static struct dentry *pm_genpd_debugfs_dir; +static struct dentry *genpd_debugfs_dir; /* * TODO: This function is a slightly modified version of rtpm_status_show @@ -2302,8 +2390,8 @@ static void rtpm_status_str(struct seq_file *s, struct device *dev) seq_puts(s, p); } -static int pm_genpd_summary_one(struct seq_file *s, - struct generic_pm_domain *genpd) +static int genpd_summary_one(struct seq_file *s, + struct generic_pm_domain *genpd) { static const char * const status_lookup[] = { [GPD_STATE_ACTIVE] = "on", @@ -2373,7 +2461,7 @@ static int genpd_summary_show(struct seq_file *s, void *data) return -ERESTARTSYS; list_for_each_entry(genpd, &gpd_list, gpd_list_node) { - ret = pm_genpd_summary_one(s, genpd); + ret = genpd_summary_one(s, genpd); if (ret) break; } @@ -2559,23 +2647,23 @@ define_genpd_debugfs_fops(active_time); define_genpd_debugfs_fops(total_idle_time); define_genpd_debugfs_fops(devices); -static int __init pm_genpd_debug_init(void) +static int __init genpd_debug_init(void) { struct dentry *d; struct generic_pm_domain *genpd; - pm_genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL); + genpd_debugfs_dir = debugfs_create_dir("pm_genpd", NULL); - if (!pm_genpd_debugfs_dir) + if (!genpd_debugfs_dir) return -ENOMEM; d = debugfs_create_file("pm_genpd_summary", S_IRUGO, - pm_genpd_debugfs_dir, NULL, &genpd_summary_fops); + genpd_debugfs_dir, NULL, &genpd_summary_fops); if (!d) return -ENOMEM; list_for_each_entry(genpd, &gpd_list, gpd_list_node) { - d = debugfs_create_dir(genpd->name, pm_genpd_debugfs_dir); + d = debugfs_create_dir(genpd->name, genpd_debugfs_dir); if (!d) return -ENOMEM; @@ -2595,11 +2683,11 @@ static int __init pm_genpd_debug_init(void) return 0; } -late_initcall(pm_genpd_debug_init); +late_initcall(genpd_debug_init); -static void __exit pm_genpd_debug_exit(void) +static void __exit genpd_debug_exit(void) { - debugfs_remove_recursive(pm_genpd_debugfs_dir); + debugfs_remove_recursive(genpd_debugfs_dir); } -__exitcall(pm_genpd_debug_exit); +__exitcall(genpd_debug_exit); #endif /* CONFIG_DEBUG_FS */ diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c index 281f949c5ffe..99896fbf18e4 100644 --- a/drivers/base/power/domain_governor.c +++ b/drivers/base/power/domain_governor.c @@ -14,23 +14,29 @@ static int dev_update_qos_constraint(struct device *dev, void *data) { s64 *constraint_ns_p = data; - s32 constraint_ns = -1; + s64 constraint_ns; - if (dev->power.subsys_data && dev->power.subsys_data->domain_data) + if (dev->power.subsys_data && dev->power.subsys_data->domain_data) { + /* + * Only take suspend-time QoS constraints of devices into + * account, because constraints updated after the device has + * been suspended are not guaranteed to be taken into account + * anyway. In order for them to take effect, the device has to + * be resumed and suspended again. + */ constraint_ns = dev_gpd_data(dev)->td.effective_constraint_ns; - - if (constraint_ns < 0) { + } else { + /* + * The child is not in a domain and there's no info on its + * suspend/resume latencies, so assume them to be negligible and + * take its current PM QoS constraint (that's the only thing + * known at this point anyway). + */ constraint_ns = dev_pm_qos_read_value(dev); constraint_ns *= NSEC_PER_USEC; } - if (constraint_ns == 0) - return 0; - /* - * constraint_ns cannot be negative here, because the device has been - * suspended. - */ - if (constraint_ns < *constraint_ns_p || *constraint_ns_p == 0) + if (constraint_ns < *constraint_ns_p) *constraint_ns_p = constraint_ns; return 0; @@ -58,12 +64,12 @@ static bool default_suspend_ok(struct device *dev) } td->constraint_changed = false; td->cached_suspend_ok = false; - td->effective_constraint_ns = -1; + td->effective_constraint_ns = 0; constraint_ns = __dev_pm_qos_read_value(dev); spin_unlock_irqrestore(&dev->power.lock, flags); - if (constraint_ns < 0) + if (constraint_ns == 0) return false; constraint_ns *= NSEC_PER_USEC; @@ -76,14 +82,32 @@ static bool default_suspend_ok(struct device *dev) device_for_each_child(dev, &constraint_ns, dev_update_qos_constraint); - if (constraint_ns > 0) { + if (constraint_ns == PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS) { + /* "No restriction", so the device is allowed to suspend. */ + td->effective_constraint_ns = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS; + td->cached_suspend_ok = true; + } else if (constraint_ns == 0) { + /* + * This triggers if one of the children that don't belong to a + * domain has a zero PM QoS constraint and it's better not to + * suspend then. effective_constraint_ns is zero already and + * cached_suspend_ok is false, so bail out. + */ + return false; + } else { constraint_ns -= td->suspend_latency_ns + td->resume_latency_ns; - if (constraint_ns == 0) + /* + * effective_constraint_ns is zero already and cached_suspend_ok + * is false, so if the computed value is not positive, return + * right away. + */ + if (constraint_ns <= 0) return false; + + td->effective_constraint_ns = constraint_ns; + td->cached_suspend_ok = true; } - td->effective_constraint_ns = constraint_ns; - td->cached_suspend_ok = constraint_ns >= 0; /* * The children have been suspended already, so we don't need to take @@ -144,18 +168,13 @@ static bool __default_power_down_ok(struct dev_pm_domain *pd, */ td = &to_gpd_data(pdd)->td; constraint_ns = td->effective_constraint_ns; - /* default_suspend_ok() need not be called before us. */ - if (constraint_ns < 0) { - constraint_ns = dev_pm_qos_read_value(pdd->dev); - constraint_ns *= NSEC_PER_USEC; - } - if (constraint_ns == 0) - continue; - /* - * constraint_ns cannot be negative here, because the device has - * been suspended. + * Zero means "no suspend at all" and this runs only when all + * devices in the domain are suspended, so it must be positive. */ + if (constraint_ns == PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS) + continue; + if (constraint_ns <= off_on_time_ns) return false; diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c index 07c3c4a9522d..b2ed606265a8 100644 --- a/drivers/base/power/generic_ops.c +++ b/drivers/base/power/generic_ops.c @@ -9,7 +9,6 @@ #include <linux/pm.h> #include <linux/pm_runtime.h> #include <linux/export.h> -#include <linux/suspend.h> #ifdef CONFIG_PM /** @@ -298,26 +297,4 @@ void pm_generic_complete(struct device *dev) if (drv && drv->pm && drv->pm->complete) drv->pm->complete(dev); } - -/** - * pm_complete_with_resume_check - Complete a device power transition. - * @dev: Device to handle. - * - * Complete a device power transition during a system-wide power transition and - * optionally schedule a runtime resume of the device if the system resume in - * progress has been initated by the platform firmware and the device had its - * power.direct_complete flag set. - */ -void pm_complete_with_resume_check(struct device *dev) -{ - pm_generic_complete(dev); - /* - * If the device had been runtime-suspended before the system went into - * the sleep state it is going out of and it has never been resumed till - * now, resume it in case the firmware powered it up. - */ - if (dev->power.direct_complete && pm_resume_via_firmware()) - pm_request_resume(dev); -} -EXPORT_SYMBOL_GPL(pm_complete_with_resume_check); #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 770b1539a083..db2f04415927 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -478,9 +478,9 @@ struct dpm_watchdog { * There's not much we can do here to recover so panic() to * capture a crash-dump in pstore. */ -static void dpm_watchdog_handler(unsigned long data) +static void dpm_watchdog_handler(struct timer_list *t) { - struct dpm_watchdog *wd = (void *)data; + struct dpm_watchdog *wd = from_timer(wd, t, timer); dev_emerg(wd->dev, "**** DPM device timeout ****\n"); show_stack(wd->tsk, NULL); @@ -500,11 +500,9 @@ static void dpm_watchdog_set(struct dpm_watchdog *wd, struct device *dev) wd->dev = dev; wd->tsk = current; - init_timer_on_stack(timer); + timer_setup_on_stack(timer, dpm_watchdog_handler, 0); /* use same timeout value for both suspend and resume */ timer->expires = jiffies + HZ * CONFIG_DPM_WATCHDOG_TIMEOUT; - timer->function = dpm_watchdog_handler; - timer->data = (unsigned long)wd; add_timer(timer); } @@ -528,7 +526,7 @@ static void dpm_watchdog_clear(struct dpm_watchdog *wd) /*------------------------- Resume routines -------------------------*/ /** - * device_resume_noirq - Execute an "early resume" callback for given device. + * device_resume_noirq - Execute a "noirq resume" callback for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * @async: If true, the device is being resumed asynchronously. @@ -848,16 +846,10 @@ static int device_resume(struct device *dev, pm_message_t state, bool async) goto Driver; } - if (dev->class) { - if (dev->class->pm) { - info = "class "; - callback = pm_op(dev->class->pm, state); - goto Driver; - } else if (dev->class->resume) { - info = "legacy class "; - callback = dev->class->resume; - goto End; - } + if (dev->class && dev->class->pm) { + info = "class "; + callback = pm_op(dev->class->pm, state); + goto Driver; } if (dev->bus) { @@ -1083,7 +1075,7 @@ static pm_message_t resume_event(pm_message_t sleep_state) } /** - * device_suspend_noirq - Execute a "late suspend" callback for given device. + * __device_suspend_noirq - Execute a "noirq suspend" callback for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * @async: If true, the device is being suspended asynchronously. @@ -1243,7 +1235,7 @@ int dpm_suspend_noirq(pm_message_t state) } /** - * device_suspend_late - Execute a "late suspend" callback for given device. + * __device_suspend_late - Execute a "late suspend" callback for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * @async: If true, the device is being suspended asynchronously. @@ -1445,7 +1437,7 @@ static void dpm_clear_suppliers_direct_complete(struct device *dev) } /** - * device_suspend - Execute "suspend" callbacks for given device. + * __device_suspend - Execute "suspend" callbacks for given device. * @dev: Device to handle. * @state: PM transition of the system being carried out. * @async: If true, the device is being suspended asynchronously. @@ -1508,17 +1500,10 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) goto Run; } - if (dev->class) { - if (dev->class->pm) { - info = "class "; - callback = pm_op(dev->class->pm, state); - goto Run; - } else if (dev->class->suspend) { - pm_dev_dbg(dev, state, "legacy class "); - error = legacy_suspend(dev, state, dev->class->suspend, - "legacy class "); - goto End; - } + if (dev->class && dev->class->pm) { + info = "class "; + callback = pm_op(dev->class->pm, state); + goto Run; } if (dev->bus) { @@ -1665,6 +1650,9 @@ static int device_prepare(struct device *dev, pm_message_t state) if (dev->power.syscore) return 0; + WARN_ON(dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) && + !pm_runtime_enabled(dev)); + /* * If a device's parent goes into runtime suspend at the wrong time, * it won't be possible to resume the device. To prevent this we @@ -1713,7 +1701,9 @@ unlock: * applies to suspend transitions, however. */ spin_lock_irq(&dev->power.lock); - dev->power.direct_complete = ret > 0 && state.event == PM_EVENT_SUSPEND; + dev->power.direct_complete = state.event == PM_EVENT_SUSPEND && + pm_runtime_suspended(dev) && ret > 0 && + !dev_pm_test_driver_flags(dev, DPM_FLAG_NEVER_SKIP); spin_unlock_irq(&dev->power.lock); return 0; } @@ -1862,11 +1852,16 @@ void device_pm_check_callbacks(struct device *dev) dev->power.no_pm_callbacks = (!dev->bus || (pm_ops_is_empty(dev->bus->pm) && !dev->bus->suspend && !dev->bus->resume)) && - (!dev->class || (pm_ops_is_empty(dev->class->pm) && - !dev->class->suspend && !dev->class->resume)) && + (!dev->class || pm_ops_is_empty(dev->class->pm)) && (!dev->type || pm_ops_is_empty(dev->type->pm)) && (!dev->pm_domain || pm_ops_is_empty(&dev->pm_domain->ops)) && (!dev->driver || (pm_ops_is_empty(dev->driver->pm) && !dev->driver->suspend && !dev->driver->resume)); spin_unlock_irq(&dev->power.lock); } + +bool dev_pm_smart_suspend_and_suspended(struct device *dev) +{ + return dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) && + pm_runtime_status_suspended(dev); +} diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index a46e97e515c5..7beee75399d4 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/pm_qos.h> static inline void device_pm_init_common(struct device *dev) diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c index 277d43a83f53..3382542b39b7 100644 --- a/drivers/base/power/qos.c +++ b/drivers/base/power/qos.c @@ -139,6 +139,9 @@ static int apply_constraint(struct dev_pm_qos_request *req, switch(req->type) { case DEV_PM_QOS_RESUME_LATENCY: + if (WARN_ON(action != PM_QOS_REMOVE_REQ && value < 0)) + value = 0; + ret = pm_qos_update_target(&qos->resume_latency, &req->data.pnode, action, value); break; @@ -189,7 +192,7 @@ static int dev_pm_qos_constraints_allocate(struct device *dev) plist_head_init(&c->list); c->target_value = PM_QOS_RESUME_LATENCY_DEFAULT_VALUE; c->default_value = PM_QOS_RESUME_LATENCY_DEFAULT_VALUE; - c->no_constraint_value = PM_QOS_RESUME_LATENCY_DEFAULT_VALUE; + c->no_constraint_value = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT; c->type = PM_QOS_MIN; c->notifiers = n; diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 7bcf80fa9ada..2362b9e9701e 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -134,11 +134,11 @@ unsigned long pm_runtime_autosuspend_expiration(struct device *dev) if (!dev->power.use_autosuspend) goto out; - autosuspend_delay = ACCESS_ONCE(dev->power.autosuspend_delay); + autosuspend_delay = READ_ONCE(dev->power.autosuspend_delay); if (autosuspend_delay < 0) goto out; - last_busy = ACCESS_ONCE(dev->power.last_busy); + last_busy = READ_ONCE(dev->power.last_busy); elapsed = jiffies - last_busy; if (elapsed < 0) goto out; /* jiffies has wrapped around. */ @@ -253,7 +253,7 @@ static int rpm_check_suspend_allowed(struct device *dev) || (dev->power.request_pending && dev->power.request == RPM_REQ_RESUME)) retval = -EAGAIN; - else if (__dev_pm_qos_read_value(dev) < 0) + else if (__dev_pm_qos_read_value(dev) == 0) retval = -EPERM; else if (dev->power.runtime_status == RPM_SUSPENDED) retval = 1; @@ -894,9 +894,9 @@ static void pm_runtime_work(struct work_struct *work) * * Check if the time is right and queue a suspend request. */ -static void pm_suspend_timer_fn(unsigned long data) +static void pm_suspend_timer_fn(struct timer_list *t) { - struct device *dev = (struct device *)data; + struct device *dev = from_timer(dev, t, power.suspend_timer); unsigned long flags; unsigned long expires; @@ -1499,8 +1499,7 @@ void pm_runtime_init(struct device *dev) INIT_WORK(&dev->power.work, pm_runtime_work); dev->power.timer_expires = 0; - setup_timer(&dev->power.suspend_timer, pm_suspend_timer_fn, - (unsigned long)dev); + timer_setup(&dev->power.suspend_timer, pm_suspend_timer_fn, 0); init_waitqueue_head(&dev->power.wait_queue); } diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index 156ab57bca77..e153e28b1857 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -218,7 +218,14 @@ static ssize_t pm_qos_resume_latency_show(struct device *dev, struct device_attribute *attr, char *buf) { - return sprintf(buf, "%d\n", dev_pm_qos_requested_resume_latency(dev)); + s32 value = dev_pm_qos_requested_resume_latency(dev); + + if (value == 0) + return sprintf(buf, "n/a\n"); + else if (value == PM_QOS_RESUME_LATENCY_NO_CONSTRAINT) + value = 0; + + return sprintf(buf, "%d\n", value); } static ssize_t pm_qos_resume_latency_store(struct device *dev, @@ -228,11 +235,21 @@ static ssize_t pm_qos_resume_latency_store(struct device *dev, s32 value; int ret; - if (kstrtos32(buf, 0, &value)) - return -EINVAL; + if (!kstrtos32(buf, 0, &value)) { + /* + * Prevent users from writing negative or "no constraint" values + * directly. + */ + if (value < 0 || value == PM_QOS_RESUME_LATENCY_NO_CONSTRAINT) + return -EINVAL; - if (value < 0) + if (value == 0) + value = PM_QOS_RESUME_LATENCY_NO_CONSTRAINT; + } else if (!strcmp(buf, "n/a") || !strcmp(buf, "n/a\n")) { + value = 0; + } else { return -EINVAL; + } ret = dev_pm_qos_update_request(dev->power.qos->resume_latency_req, value); @@ -309,33 +326,6 @@ static ssize_t pm_qos_no_power_off_store(struct device *dev, static DEVICE_ATTR(pm_qos_no_power_off, 0644, pm_qos_no_power_off_show, pm_qos_no_power_off_store); -static ssize_t pm_qos_remote_wakeup_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return sprintf(buf, "%d\n", !!(dev_pm_qos_requested_flags(dev) - & PM_QOS_FLAG_REMOTE_WAKEUP)); -} - -static ssize_t pm_qos_remote_wakeup_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t n) -{ - int ret; - - if (kstrtoint(buf, 0, &ret)) - return -EINVAL; - - if (ret != 0 && ret != 1) - return -EINVAL; - - ret = dev_pm_qos_update_flags(dev, PM_QOS_FLAG_REMOTE_WAKEUP, ret); - return ret < 0 ? ret : n; -} - -static DEVICE_ATTR(pm_qos_remote_wakeup, 0644, - pm_qos_remote_wakeup_show, pm_qos_remote_wakeup_store); - #ifdef CONFIG_PM_SLEEP static const char _enabled[] = "enabled"; static const char _disabled[] = "disabled"; @@ -671,7 +661,6 @@ static const struct attribute_group pm_qos_latency_tolerance_attr_group = { static struct attribute *pm_qos_flags_attrs[] = { &dev_attr_pm_qos_no_power_off.attr, - &dev_attr_pm_qos_remote_wakeup.attr, NULL, }; static const struct attribute_group pm_qos_flags_attr_group = { diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index cdd6f256da59..680ee1d36ac9 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -54,7 +54,7 @@ static unsigned int saved_count; static DEFINE_SPINLOCK(events_lock); -static void pm_wakeup_timer_fn(unsigned long data); +static void pm_wakeup_timer_fn(struct timer_list *t); static LIST_HEAD(wakeup_sources); @@ -176,7 +176,7 @@ void wakeup_source_add(struct wakeup_source *ws) return; spin_lock_init(&ws->lock); - setup_timer(&ws->timer, pm_wakeup_timer_fn, (unsigned long)ws); + timer_setup(&ws->timer, pm_wakeup_timer_fn, 0); ws->active = false; ws->last_time = ktime_get(); @@ -481,8 +481,7 @@ static bool wakeup_source_not_registered(struct wakeup_source *ws) * Use timer struct to check if the given source is initialized * by wakeup_source_add. */ - return ws->timer.function != pm_wakeup_timer_fn || - ws->timer.data != (unsigned long)ws; + return ws->timer.function != (TIMER_FUNC_TYPE)pm_wakeup_timer_fn; } /* @@ -724,9 +723,9 @@ EXPORT_SYMBOL_GPL(pm_relax); * in @data if it is currently active and its timer has not been canceled and * the expiration time of the timer is not in future. */ -static void pm_wakeup_timer_fn(unsigned long data) +static void pm_wakeup_timer_fn(struct timer_list *t) { - struct wakeup_source *ws = (struct wakeup_source *)data; + struct wakeup_source *ws = from_timer(ws, t, timer); unsigned long flags; spin_lock_irqsave(&ws->lock, flags); diff --git a/drivers/base/property.c b/drivers/base/property.c index 7ed99c1b2a8b..851b1b6596a4 100644 --- a/drivers/base/property.c +++ b/drivers/base/property.c @@ -1044,10 +1044,15 @@ EXPORT_SYMBOL_GPL(device_get_named_child_node); /** * fwnode_handle_get - Obtain a reference to a device node * @fwnode: Pointer to the device node to obtain the reference to. + * + * Returns the fwnode handle. */ -void fwnode_handle_get(struct fwnode_handle *fwnode) +struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode) { - fwnode_call_void_op(fwnode, get); + if (!fwnode_has_op(fwnode, get)) + return fwnode; + + return fwnode_call_ptr_op(fwnode, get); } EXPORT_SYMBOL_GPL(fwnode_handle_get); diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig index 073c0b77e5b3..3a1535d812d8 100644 --- a/drivers/base/regmap/Kconfig +++ b/drivers/base/regmap/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Generic register map support. There are no user servicable options here, # this is an API intended to be used by other kernel subsystems. These # subsystems should select the appropriate symbols. @@ -5,6 +6,7 @@ config REGMAP default y if (REGMAP_I2C || REGMAP_SPI || REGMAP_SPMI || REGMAP_W1 || REGMAP_AC97 || REGMAP_MMIO || REGMAP_IRQ) select IRQ_DOMAIN if REGMAP_IRQ + select REGMAP_HWSPINLOCK if HWSPINLOCK=y bool config REGCACHE_COMPRESSED @@ -36,3 +38,6 @@ config REGMAP_MMIO config REGMAP_IRQ bool + +config REGMAP_HWSPINLOCK + bool diff --git a/drivers/base/regmap/Makefile b/drivers/base/regmap/Makefile index 0cf4abc8fbf1..0d298c446108 100644 --- a/drivers/base/regmap/Makefile +++ b/drivers/base/regmap/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # For include/trace/define_trace.h to include trace.h CFLAGS_regmap.o := -I$(src) diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index 2a4435d76028..8641183cac2f 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -157,6 +157,8 @@ struct regmap { struct rb_root range_tree; void *selector_work_buf; /* Scratch buffer used for selector */ + + struct hwspinlock *hwlock; }; struct regcache_ops { diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c index edd9a839d004..c7150dd264d5 100644 --- a/drivers/base/regmap/regmap-spi.c +++ b/drivers/base/regmap/regmap-spi.c @@ -102,7 +102,7 @@ static int regmap_spi_read(void *context, return spi_write_then_read(spi, reg, reg_size, val, val_size); } -static struct regmap_bus regmap_spi = { +static const struct regmap_bus regmap_spi = { .write = regmap_spi_write, .gather_write = regmap_spi_gather_write, .async_write = regmap_spi_async_write, diff --git a/drivers/base/regmap/regmap-spmi.c b/drivers/base/regmap/regmap-spmi.c index 4a36e415e938..0bfb8ed244d5 100644 --- a/drivers/base/regmap/regmap-spmi.c +++ b/drivers/base/regmap/regmap-spmi.c @@ -83,7 +83,7 @@ static int regmap_spmi_base_write(void *context, const void *data, count - 1); } -static struct regmap_bus regmap_spmi_base = { +static const struct regmap_bus regmap_spmi_base = { .read = regmap_spmi_base_read, .write = regmap_spmi_base_write, .gather_write = regmap_spmi_base_gather_write, @@ -203,7 +203,7 @@ static int regmap_spmi_ext_write(void *context, const void *data, count - 2); } -static struct regmap_bus regmap_spmi_ext = { +static const struct regmap_bus regmap_spmi_ext = { .read = regmap_spmi_ext_read, .write = regmap_spmi_ext_write, .gather_write = regmap_spmi_ext_gather_write, diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index b9a779a4a739..8d516a9bfc01 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -20,6 +20,7 @@ #include <linux/sched.h> #include <linux/delay.h> #include <linux/log2.h> +#include <linux/hwspinlock.h> #define CREATE_TRACE_POINTS #include "trace.h" @@ -413,6 +414,51 @@ static unsigned int regmap_parse_64_native(const void *buf) } #endif +#ifdef REGMAP_HWSPINLOCK +static void regmap_lock_hwlock(void *__map) +{ + struct regmap *map = __map; + + hwspin_lock_timeout(map->hwlock, UINT_MAX); +} + +static void regmap_lock_hwlock_irq(void *__map) +{ + struct regmap *map = __map; + + hwspin_lock_timeout_irq(map->hwlock, UINT_MAX); +} + +static void regmap_lock_hwlock_irqsave(void *__map) +{ + struct regmap *map = __map; + + hwspin_lock_timeout_irqsave(map->hwlock, UINT_MAX, + &map->spinlock_flags); +} + +static void regmap_unlock_hwlock(void *__map) +{ + struct regmap *map = __map; + + hwspin_unlock(map->hwlock); +} + +static void regmap_unlock_hwlock_irq(void *__map) +{ + struct regmap *map = __map; + + hwspin_unlock_irq(map->hwlock); +} + +static void regmap_unlock_hwlock_irqrestore(void *__map) +{ + struct regmap *map = __map; + + hwspin_unlock_irqrestore(map->hwlock, &map->spinlock_flags); +} +#endif + static void regmap_lock_mutex(void *__map) { struct regmap *map = __map; @@ -627,6 +673,34 @@ struct regmap *__regmap_init(struct device *dev, map->lock = config->lock; map->unlock = config->unlock; map->lock_arg = config->lock_arg; + } else if (config->hwlock_id) { +#ifdef REGMAP_HWSPINLOCK + map->hwlock = hwspin_lock_request_specific(config->hwlock_id); + if (!map->hwlock) { + ret = -ENXIO; + goto err_map; + } + + switch (config->hwlock_mode) { + case HWLOCK_IRQSTATE: + map->lock = regmap_lock_hwlock_irqsave; + map->unlock = regmap_unlock_hwlock_irqrestore; + break; + case HWLOCK_IRQ: + map->lock = regmap_lock_hwlock_irq; + map->unlock = regmap_unlock_hwlock_irq; + break; + default: + map->lock = regmap_lock_hwlock; + map->unlock = regmap_unlock_hwlock; + break; + } + + map->lock_arg = map; +#else + ret = -EINVAL; + goto err_map; +#endif } else { if ((bus && bus->fast_io) || config->fast_io) { @@ -729,7 +803,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_write = regmap_format_2_6_write; break; default: - goto err_map; + goto err_hwlock; } break; @@ -739,7 +813,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_write = regmap_format_4_12_write; break; default: - goto err_map; + goto err_hwlock; } break; @@ -749,7 +823,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_write = regmap_format_7_9_write; break; default: - goto err_map; + goto err_hwlock; } break; @@ -759,7 +833,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_write = regmap_format_10_14_write; break; default: - goto err_map; + goto err_hwlock; } break; @@ -779,13 +853,13 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_reg = regmap_format_16_native; break; default: - goto err_map; + goto err_hwlock; } break; case 24: if (reg_endian != REGMAP_ENDIAN_BIG) - goto err_map; + goto err_hwlock; map->format.format_reg = regmap_format_24; break; @@ -801,7 +875,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_reg = regmap_format_32_native; break; default: - goto err_map; + goto err_hwlock; } break; @@ -818,13 +892,13 @@ struct regmap *__regmap_init(struct device *dev, map->format.format_reg = regmap_format_64_native; break; default: - goto err_map; + goto err_hwlock; } break; #endif default: - goto err_map; + goto err_hwlock; } if (val_endian == REGMAP_ENDIAN_NATIVE) @@ -853,12 +927,12 @@ struct regmap *__regmap_init(struct device *dev, map->format.parse_val = regmap_parse_16_native; break; default: - goto err_map; + goto err_hwlock; } break; case 24: if (val_endian != REGMAP_ENDIAN_BIG) - goto err_map; + goto err_hwlock; map->format.format_val = regmap_format_24; map->format.parse_val = regmap_parse_24; break; @@ -879,7 +953,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.parse_val = regmap_parse_32_native; break; default: - goto err_map; + goto err_hwlock; } break; #ifdef CONFIG_64BIT @@ -900,7 +974,7 @@ struct regmap *__regmap_init(struct device *dev, map->format.parse_val = regmap_parse_64_native; break; default: - goto err_map; + goto err_hwlock; } break; #endif @@ -909,18 +983,18 @@ struct regmap *__regmap_init(struct device *dev, if (map->format.format_write) { if ((reg_endian != REGMAP_ENDIAN_BIG) || (val_endian != REGMAP_ENDIAN_BIG)) - goto err_map; + goto err_hwlock; map->use_single_write = true; } if (!map->format.format_write && !(map->format.format_reg && map->format.format_val)) - goto err_map; + goto err_hwlock; map->work_buf = kzalloc(map->format.buf_size, GFP_KERNEL); if (map->work_buf == NULL) { ret = -ENOMEM; - goto err_map; + goto err_hwlock; } if (map->format.format_write) { @@ -1041,6 +1115,9 @@ err_regcache: err_range: regmap_range_exit(map); kfree(map->work_buf); +err_hwlock: + if (IS_ENABLED(REGMAP_HWSPINLOCK) && map->hwlock) + hwspin_lock_free(map->hwlock); err_map: kfree(map); err: @@ -1228,6 +1305,8 @@ void regmap_exit(struct regmap *map) kfree(async->work_buf); kfree(async); } + if (IS_ENABLED(REGMAP_HWSPINLOCK) && map->hwlock) + hwspin_lock_free(map->hwlock); kfree(map); } EXPORT_SYMBOL_GPL(regmap_exit); diff --git a/drivers/base/regmap/trace.h b/drivers/base/regmap/trace.h index 64586a1c5a42..d4066fa079ab 100644 --- a/drivers/base/regmap/trace.h +++ b/drivers/base/regmap/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM regmap diff --git a/drivers/base/test/Kconfig b/drivers/base/test/Kconfig index 9aa0d45a60db..86e85daa80bf 100644 --- a/drivers/base/test/Kconfig +++ b/drivers/base/test/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config TEST_ASYNC_DRIVER_PROBE tristate "Build kernel module to test asynchronous driver probing" depends on m diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig index 54f81c554815..a2df1ad03463 100644 --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config BCMA_POSSIBLE bool depends on HAS_IOMEM && HAS_DMA diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile index 087948a1d20d..f8c37de35da2 100644 --- a/drivers/bcma/Makefile +++ b/drivers/bcma/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 bcma-y += main.o scan.o core.o sprom.o bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o bcma-y += driver_chipcommon_b.o diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index 168fa175d65a..a4aac370f21f 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_BCMA_PRIVATE_H_ #define LINUX_BCMA_PRIVATE_H_ diff --git a/drivers/bcma/scan.h b/drivers/bcma/scan.h index 30eb475e4d19..e53079a3daf7 100644 --- a/drivers/bcma/scan.h +++ b/drivers/bcma/scan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BCMA_SCAN_H_ #define BCMA_SCAN_H_ diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 2dfe99b328f8..7b2df7a54d87 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Block device driver configuration # diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 1f456d86a190..dc061158b403 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel block device drivers. # diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index 49908c74bfcb..4e3fb9f104af 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -323,7 +323,7 @@ static void fd_deselect (int drive) } -static void motor_on_callback(unsigned long nr) +static void motor_on_callback(unsigned long ignored) { if (!(ciaa.pra & DSKRDY) || --on_attempts == 0) { complete_all(&motor_on_completion); @@ -344,7 +344,6 @@ static int fd_motor_on(int nr) fd_select(nr); reinit_completion(&motor_on_completion); - motor_on_timer.data = nr; mod_timer(&motor_on_timer, jiffies + HZ/2); on_attempts = 10; diff --git a/drivers/block/aoe/aoemain.c b/drivers/block/aoe/aoemain.c index 4b987c2fefbe..251482066977 100644 --- a/drivers/block/aoe/aoemain.c +++ b/drivers/block/aoe/aoemain.c @@ -15,49 +15,19 @@ MODULE_AUTHOR("Sam Hopkins <sah@coraid.com>"); MODULE_DESCRIPTION("AoE block/char driver for 2.6.2 and newer 2.6 kernels"); MODULE_VERSION(VERSION); -enum { TINIT, TRUN, TKILL }; +static struct timer_list timer; -static void -discover_timer(ulong vp) +static void discover_timer(struct timer_list *t) { - static struct timer_list t; - static volatile ulong die; - static spinlock_t lock; - ulong flags; - enum { DTIMERTICK = HZ * 60 }; /* one minute */ - - switch (vp) { - case TINIT: - init_timer(&t); - spin_lock_init(&lock); - t.data = TRUN; - t.function = discover_timer; - die = 0; - case TRUN: - spin_lock_irqsave(&lock, flags); - if (!die) { - t.expires = jiffies + DTIMERTICK; - add_timer(&t); - } - spin_unlock_irqrestore(&lock, flags); - - aoecmd_cfg(0xffff, 0xff); - return; - case TKILL: - spin_lock_irqsave(&lock, flags); - die = 1; - spin_unlock_irqrestore(&lock, flags); + mod_timer(t, jiffies + HZ * 60); /* one minute */ - del_timer_sync(&t); - default: - return; - } + aoecmd_cfg(0xffff, 0xff); } static void aoe_exit(void) { - discover_timer(TKILL); + del_timer_sync(&timer); aoenet_exit(); unregister_blkdev(AOE_MAJOR, DEVICE_NAME); @@ -93,7 +63,9 @@ aoe_init(void) goto blkreg_fail; } printk(KERN_INFO "aoe: AoE v%s initialised.\n", VERSION); - discover_timer(TINIT); + + timer_setup(&timer, discover_timer, 0); + discover_timer(&timer); return 0; blkreg_fail: aoecmd_exit(); diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c index 92da886180aa..ae596e55bcb6 100644 --- a/drivers/block/ataflop.c +++ b/drivers/block/ataflop.c @@ -373,10 +373,10 @@ static void floppy_release(struct gendisk *disk, fmode_t mode); /************************* End of Prototypes **************************/ -static DEFINE_TIMER(motor_off_timer, fd_motor_off_timer, 0, 0); -static DEFINE_TIMER(readtrack_timer, fd_readtrack_check, 0, 0); -static DEFINE_TIMER(timeout_timer, fd_times_out, 0, 0); -static DEFINE_TIMER(fd_timer, check_change, 0, 0); +static DEFINE_TIMER(motor_off_timer, fd_motor_off_timer); +static DEFINE_TIMER(readtrack_timer, fd_readtrack_check); +static DEFINE_TIMER(timeout_timer, fd_times_out); +static DEFINE_TIMER(fd_timer, check_change); static void fd_end_request_cur(blk_status_t err) { diff --git a/drivers/block/drbd/Kconfig b/drivers/block/drbd/Kconfig index 7845bd6ee414..87aab6910d2d 100644 --- a/drivers/block/drbd/Kconfig +++ b/drivers/block/drbd/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # DRBD device driver configuration # diff --git a/drivers/block/drbd/Makefile b/drivers/block/drbd/Makefile index 4464e353c1e8..8bd534697d1b 100644 --- a/drivers/block/drbd/Makefile +++ b/drivers/block/drbd/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 drbd-y := drbd_bitmap.o drbd_proc.o drbd-y += drbd_worker.o drbd_receiver.o drbd_req.o drbd_actlog.o drbd-y += drbd_main.o drbd_strings.o drbd_nl.o diff --git a/drivers/block/drbd/drbd_debugfs.c b/drivers/block/drbd/drbd_debugfs.c index 494837e59f23..ab21976a87b2 100644 --- a/drivers/block/drbd/drbd_debugfs.c +++ b/drivers/block/drbd/drbd_debugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) "drbd debugfs: " fmt #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/block/drbd/drbd_debugfs.h b/drivers/block/drbd/drbd_debugfs.h index 8bee21340dce..4ecfbb3358d7 100644 --- a/drivers/block/drbd/drbd_debugfs.h +++ b/drivers/block/drbd/drbd_debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/debugfs.h> diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 7e8589ce631c..06ecee1b528e 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1551,8 +1551,8 @@ extern int w_restart_disk_io(struct drbd_work *, int); extern int w_send_out_of_sync(struct drbd_work *, int); extern int w_start_resync(struct drbd_work *, int); -extern void resync_timer_fn(unsigned long data); -extern void start_resync_timer_fn(unsigned long data); +extern void resync_timer_fn(struct timer_list *t); +extern void start_resync_timer_fn(struct timer_list *t); extern void drbd_endio_write_sec_final(struct drbd_peer_request *peer_req); diff --git a/drivers/block/drbd/drbd_interval.c b/drivers/block/drbd/drbd_interval.c index 51b25ad85251..c58986556161 100644 --- a/drivers/block/drbd/drbd_interval.c +++ b/drivers/block/drbd/drbd_interval.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <asm/bug.h> #include <linux/rbtree_augmented.h> #include "drbd_interval.h" diff --git a/drivers/block/drbd/drbd_interval.h b/drivers/block/drbd/drbd_interval.h index 23c5a94428d2..b8c2dee5edc8 100644 --- a/drivers/block/drbd/drbd_interval.h +++ b/drivers/block/drbd/drbd_interval.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRBD_INTERVAL_H #define __DRBD_INTERVAL_H diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 8cb3791898ae..4b4697a1f963 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -64,7 +64,7 @@ static DEFINE_MUTEX(drbd_main_mutex); static int drbd_open(struct block_device *bdev, fmode_t mode); static void drbd_release(struct gendisk *gd, fmode_t mode); -static void md_sync_timer_fn(unsigned long data); +static void md_sync_timer_fn(struct timer_list *t); static int w_bitmap_io(struct drbd_work *w, int unused); MODULE_AUTHOR("Philipp Reisner <phil@linbit.com>, " @@ -2023,14 +2023,10 @@ void drbd_init_set_defaults(struct drbd_device *device) device->unplug_work.cb = w_send_write_hint; device->bm_io_work.w.cb = w_bitmap_io; - setup_timer(&device->resync_timer, resync_timer_fn, - (unsigned long)device); - setup_timer(&device->md_sync_timer, md_sync_timer_fn, - (unsigned long)device); - setup_timer(&device->start_resync_timer, start_resync_timer_fn, - (unsigned long)device); - setup_timer(&device->request_timer, request_timer_fn, - (unsigned long)device); + timer_setup(&device->resync_timer, resync_timer_fn, 0); + timer_setup(&device->md_sync_timer, md_sync_timer_fn, 0); + timer_setup(&device->start_resync_timer, start_resync_timer_fn, 0); + timer_setup(&device->request_timer, request_timer_fn, 0); init_waitqueue_head(&device->misc_wait); init_waitqueue_head(&device->state_wait); @@ -3721,9 +3717,9 @@ int drbd_md_test_flag(struct drbd_backing_dev *bdev, int flag) return (bdev->md.flags & flag) != 0; } -static void md_sync_timer_fn(unsigned long data) +static void md_sync_timer_fn(struct timer_list *t) { - struct drbd_device *device = (struct drbd_device *) data; + struct drbd_device *device = from_timer(device, t, md_sync_timer); drbd_device_post_work(device, MD_SYNC); } diff --git a/drivers/block/drbd/drbd_nla.c b/drivers/block/drbd/drbd_nla.c index 6bf806df60dc..8e261cb5198b 100644 --- a/drivers/block/drbd/drbd_nla.c +++ b/drivers/block/drbd/drbd_nla.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <net/netlink.h> #include <linux/drbd_genl_api.h> diff --git a/drivers/block/drbd/drbd_nla.h b/drivers/block/drbd/drbd_nla.h index 679c2d5b4535..f5eaffb6474e 100644 --- a/drivers/block/drbd/drbd_nla.h +++ b/drivers/block/drbd/drbd_nla.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRBD_NLA_H #define __DRBD_NLA_H diff --git a/drivers/block/drbd/drbd_protocol.h b/drivers/block/drbd/drbd_protocol.h index 4d296800f706..c3081f93051c 100644 --- a/drivers/block/drbd/drbd_protocol.h +++ b/drivers/block/drbd/drbd_protocol.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRBD_PROTOCOL_H #define __DRBD_PROTOCOL_H diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c index 796eaf347dc0..cb2fa63f6bc0 100644 --- a/drivers/block/drbd/drbd_receiver.c +++ b/drivers/block/drbd/drbd_receiver.c @@ -5056,7 +5056,7 @@ static int drbd_disconnected(struct drbd_peer_device *peer_device) wake_up(&device->misc_wait); del_timer_sync(&device->resync_timer); - resync_timer_fn((unsigned long)device); + resync_timer_fn(&device->resync_timer); /* wait for all w_e_end_data_req, w_e_end_rsdata_req, w_send_barrier, * w_make_resync_request etc. which may still be on the worker queue diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index de8566e55334..a500e738d929 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -1714,9 +1714,9 @@ static bool net_timeout_reached(struct drbd_request *net_req, * to expire twice (worst case) to become effective. Good enough. */ -void request_timer_fn(unsigned long data) +void request_timer_fn(struct timer_list *t) { - struct drbd_device *device = (struct drbd_device *) data; + struct drbd_device *device = from_timer(device, t, request_timer); struct drbd_connection *connection = first_peer_device(device)->connection; struct drbd_request *req_read, *req_write, *req_peer; /* oldest request */ struct net_conf *nc; diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index a2254f825601..cb97b3b30962 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -294,7 +294,7 @@ extern int __req_mod(struct drbd_request *req, enum drbd_req_event what, struct bio_and_error *m); extern void complete_master_bio(struct drbd_device *device, struct bio_and_error *m); -extern void request_timer_fn(unsigned long data); +extern void request_timer_fn(struct timer_list *t); extern void tl_restart(struct drbd_connection *connection, enum drbd_req_event what); extern void _tl_restart(struct drbd_connection *connection, enum drbd_req_event what); extern void tl_abort_disk_io(struct drbd_device *device); diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h index 0276c98fbbdd..ea58301d0895 100644 --- a/drivers/block/drbd/drbd_state.h +++ b/drivers/block/drbd/drbd_state.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DRBD_STATE_H #define DRBD_STATE_H diff --git a/drivers/block/drbd/drbd_state_change.h b/drivers/block/drbd/drbd_state_change.h index 9e503a1a0bfb..ba80f612d6ab 100644 --- a/drivers/block/drbd/drbd_state_change.h +++ b/drivers/block/drbd/drbd_state_change.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DRBD_STATE_CHANGE_H #define DRBD_STATE_CHANGE_H diff --git a/drivers/block/drbd/drbd_strings.h b/drivers/block/drbd/drbd_strings.h index f9923cc88afb..87b94a27358a 100644 --- a/drivers/block/drbd/drbd_strings.h +++ b/drivers/block/drbd/drbd_strings.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRBD_STRINGS_H #define __DRBD_STRINGS_H diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 03471b3fce86..1476cb3439f4 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -457,9 +457,9 @@ int w_resync_timer(struct drbd_work *w, int cancel) return 0; } -void resync_timer_fn(unsigned long data) +void resync_timer_fn(struct timer_list *t) { - struct drbd_device *device = (struct drbd_device *) data; + struct drbd_device *device = from_timer(device, t, resync_timer); drbd_queue_work_if_unqueued( &first_peer_device(device)->connection->sender_work, @@ -1705,9 +1705,9 @@ void drbd_rs_controller_reset(struct drbd_device *device) rcu_read_unlock(); } -void start_resync_timer_fn(unsigned long data) +void start_resync_timer_fn(struct timer_list *t) { - struct drbd_device *device = (struct drbd_device *) data; + struct drbd_device *device = from_timer(device, t, start_resync_timer); drbd_device_post_work(device, RS_START); } diff --git a/drivers/block/mtip32xx/Kconfig b/drivers/block/mtip32xx/Kconfig index 0ba837fc62a8..bf221358567e 100644 --- a/drivers/block/mtip32xx/Kconfig +++ b/drivers/block/mtip32xx/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # mtip32xx device driver configuration # diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index baebbdfd74d5..9adfb5445f8d 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -386,6 +386,15 @@ static int sock_xmit(struct nbd_device *nbd, int index, int send, return result; } +/* + * Different settings for sk->sk_sndtimeo can result in different return values + * if there is a signal pending when we enter sendmsg, because reasons? + */ +static inline int was_interrupted(int result) +{ + return result == -ERESTARTSYS || result == -EINTR; +} + /* always call with the tx_lock held */ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) { @@ -458,7 +467,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) result = sock_xmit(nbd, index, 1, &from, (type == NBD_CMD_WRITE) ? MSG_MORE : 0, &sent); if (result <= 0) { - if (result == -ERESTARTSYS) { + if (was_interrupted(result)) { /* If we havne't sent anything we can just return BUSY, * however if we have sent something we need to make * sure we only allow this req to be sent until we are @@ -502,7 +511,7 @@ send_pages: } result = sock_xmit(nbd, index, 1, &from, flags, &sent); if (result <= 0) { - if (result == -ERESTARTSYS) { + if (was_interrupted(result)) { /* We've already sent the header, we * have no choice but to set pending and * return BUSY. diff --git a/drivers/block/paride/Kconfig b/drivers/block/paride/Kconfig index 3a15247942e4..b226835a909a 100644 --- a/drivers/block/paride/Kconfig +++ b/drivers/block/paride/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # PARIDE configuration # diff --git a/drivers/block/paride/Makefile b/drivers/block/paride/Makefile index a539e004bb7a..cf1742a8475e 100644 --- a/drivers/block/paride/Makefile +++ b/drivers/block/paride/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Parallel port IDE device drivers. # diff --git a/drivers/block/paride/mkd b/drivers/block/paride/mkd index 971f099b40aa..6d0d802479ea 100644 --- a/drivers/block/paride/mkd +++ b/drivers/block/paride/mkd @@ -1,4 +1,5 @@ #!/bin/bash +# SPDX-License-Identifier: GPL-2.0 # # mkd -- a script to create the device special files for the PARIDE subsystem # diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index b640ad8a6d20..adc877dfef5c 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2692,7 +2692,7 @@ static int rbd_img_obj_parent_read_full(struct rbd_obj_request *obj_request) * from the parent. */ page_count = (u32)calc_pages_for(0, length); - pages = ceph_alloc_page_vector(page_count, GFP_KERNEL); + pages = ceph_alloc_page_vector(page_count, GFP_NOIO); if (IS_ERR(pages)) { result = PTR_ERR(pages); pages = NULL; @@ -2827,7 +2827,7 @@ static int rbd_img_obj_exists_submit(struct rbd_obj_request *obj_request) */ size = sizeof (__le64) + sizeof (__le32) + sizeof (__le32); page_count = (u32)calc_pages_for(0, size); - pages = ceph_alloc_page_vector(page_count, GFP_KERNEL); + pages = ceph_alloc_page_vector(page_count, GFP_NOIO); if (IS_ERR(pages)) { ret = PTR_ERR(pages); goto fail_stat_request; diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 34e17ee799be..68846897d213 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -593,10 +593,22 @@ static int virtblk_map_queues(struct blk_mq_tag_set *set) return blk_mq_virtio_map_queues(set, vblk->vdev, 0); } +#ifdef CONFIG_VIRTIO_BLK_SCSI +static void virtblk_initialize_rq(struct request *req) +{ + struct virtblk_req *vbr = blk_mq_rq_to_pdu(req); + + scsi_req_init(&vbr->sreq); +} +#endif + static const struct blk_mq_ops virtio_mq_ops = { .queue_rq = virtio_queue_rq, .complete = virtblk_request_done, .init_request = virtblk_init_request, +#ifdef CONFIG_VIRTIO_BLK_SCSI + .initialize_rq_fn = virtblk_initialize_rq, +#endif .map_queues = virtblk_map_queues, }; diff --git a/drivers/block/zram/Kconfig b/drivers/block/zram/Kconfig index 7cd4a8ec3c8f..ac3a31d433b2 100644 --- a/drivers/block/zram/Kconfig +++ b/drivers/block/zram/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config ZRAM tristate "Compressed RAM block device support" depends on BLOCK && SYSFS && ZSMALLOC && CRYPTO diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index fae5a74dc737..98a60db8e5d1 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menu "Bluetooth device drivers" depends on BT diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile index e693ca6eeed9..4e4e44d09796 100644 --- a/drivers/bluetooth/Makefile +++ b/drivers/bluetooth/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux Bluetooth HCI device drivers. # diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index ae3d8f3444b9..3e66f4cc1a59 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Bus Devices # diff --git a/drivers/bus/Makefile b/drivers/bus/Makefile index cc6364bec054..3ae96cffabd5 100644 --- a/drivers/bus/Makefile +++ b/drivers/bus/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the bus drivers. # diff --git a/drivers/cdrom/Makefile b/drivers/cdrom/Makefile index 8ffde4f8ab9a..a95566ff47d3 100644 --- a/drivers/cdrom/Makefile +++ b/drivers/cdrom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the kernel cdrom device drivers. # # 30 Jan 1998, Michael Elizabeth Chastain, <mailto:mec@shout.net> diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 623714344600..c28dca0c613d 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Character device configuration # diff --git a/drivers/char/Makefile b/drivers/char/Makefile index 53e33720818c..7dc3abe66464 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel character device drivers. # diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig index c528f96ee204..6231714ef3c8 100644 --- a/drivers/char/agp/Kconfig +++ b/drivers/char/agp/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 menuconfig AGP tristate "/dev/agpgart (AGP Support)" depends on ALPHA || IA64 || PARISC || PPC || X86 diff --git a/drivers/char/agp/Makefile b/drivers/char/agp/Makefile index 604489bcdbf9..4a786ffd9dee 100644 --- a/drivers/char/agp/Makefile +++ b/drivers/char/agp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 agpgart-y := backend.o frontend.o generic.o isoch.o agpgart-$(CONFIG_COMPAT) += compat_ioctl.o diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h index fda073dcd967..164bf651953f 100644 --- a/drivers/char/agp/intel-agp.h +++ b/drivers/char/agp/intel-agp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Common Intel AGPGART and GTT definitions. */ diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c index c73385cc4b8a..fc8e1bc3347d 100644 --- a/drivers/char/agp/isoch.c +++ b/drivers/char/agp/isoch.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Setup routines for AGP 3.5 compliant bridges. */ diff --git a/drivers/char/applicom.h b/drivers/char/applicom.h index 35530b3d9bd6..282e08f159d5 100644 --- a/drivers/char/applicom.h +++ b/drivers/char/applicom.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: applicom.h,v 1.2 1999/08/28 15:09:49 dwmw2 Exp $ */ diff --git a/drivers/char/ds1302.c b/drivers/char/ds1302.c index c614a56e68cc..8e16ad5d6d89 100644 --- a/drivers/char/ds1302.c +++ b/drivers/char/ds1302.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*!*************************************************************************** *! *! FILE NAME : ds1302.c diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c index 58471394beb9..1a0385ed6417 100644 --- a/drivers/char/dtlk.c +++ b/drivers/char/dtlk.c @@ -84,7 +84,7 @@ static int dtlk_has_indexing; static unsigned int dtlk_portlist[] = {0x25e, 0x29e, 0x2de, 0x31e, 0x35e, 0x39e, 0}; static wait_queue_head_t dtlk_process_list; -static DEFINE_TIMER(dtlk_timer, dtlk_timer_tick, 0, 0); +static DEFINE_TIMER(dtlk_timer, dtlk_timer_tick); /* prototypes for file_operations struct */ static ssize_t dtlk_read(struct file *, char __user *, diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c index 5406b90bf626..5b8db2ed844d 100644 --- a/drivers/char/hangcheck-timer.c +++ b/drivers/char/hangcheck-timer.c @@ -124,7 +124,7 @@ static unsigned long long hangcheck_tsc, hangcheck_tsc_margin; static void hangcheck_fire(unsigned long); -static DEFINE_TIMER(hangcheck_ticktock, hangcheck_fire, 0, 0); +static DEFINE_TIMER(hangcheck_ticktock, hangcheck_fire); static void hangcheck_fire(unsigned long data) { diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile index 39a67defac67..f3728d008fff 100644 --- a/drivers/char/hw_random/Makefile +++ b/drivers/char/hw_random/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for HW Random Number Generator (RNG) device drivers. # diff --git a/drivers/char/hw_random/n2-asm.S b/drivers/char/hw_random/n2-asm.S index 9b6eb5cd59f6..c205df43d5ae 100644 --- a/drivers/char/hw_random/n2-asm.S +++ b/drivers/char/hw_random/n2-asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* n2-asm.S: Niagara2 RNG hypervisor call assembler. * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> diff --git a/drivers/char/hw_random/n2rng.h b/drivers/char/hw_random/n2rng.h index 6bad6cc634e8..9a870f5dc371 100644 --- a/drivers/char/hw_random/n2rng.h +++ b/drivers/char/hw_random/n2rng.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* n2rng.h: Niagara2 RNG defines. * * Copyright (C) 2008 David S. Miller <davem@davemloft.net> diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index 3c77645405e5..71755790c32b 100644 --- a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -100,9 +100,9 @@ struct xgene_rng_dev { struct clk *clk; }; -static void xgene_rng_expired_timer(unsigned long arg) +static void xgene_rng_expired_timer(struct timer_list *t) { - struct xgene_rng_dev *ctx = (struct xgene_rng_dev *) arg; + struct xgene_rng_dev *ctx = from_timer(ctx, t, failure_timer); /* Clear failure counter as timer expired */ disable_irq(ctx->irq); @@ -113,8 +113,6 @@ static void xgene_rng_expired_timer(unsigned long arg) static void xgene_rng_start_timer(struct xgene_rng_dev *ctx) { - ctx->failure_timer.data = (unsigned long) ctx; - ctx->failure_timer.function = xgene_rng_expired_timer; ctx->failure_timer.expires = jiffies + 120 * HZ; add_timer(&ctx->failure_timer); } @@ -292,7 +290,7 @@ static int xgene_rng_init(struct hwrng *rng) struct xgene_rng_dev *ctx = (struct xgene_rng_dev *) rng->priv; ctx->failure_cnt = 0; - init_timer(&ctx->failure_timer); + timer_setup(&ctx->failure_timer, xgene_rng_expired_timer, 0); ctx->revision = readl(ctx->csr_base + RNG_EIP_REV); diff --git a/drivers/char/ipmi/Makefile b/drivers/char/ipmi/Makefile index eefb0b301e83..43b7d86cc5f2 100644 --- a/drivers/char/ipmi/Makefile +++ b/drivers/char/ipmi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the ipmi drivers. # diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c index 2a84401dea05..2059f79d669a 100644 --- a/drivers/char/ipmi/ipmi_dmi.c +++ b/drivers/char/ipmi/ipmi_dmi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * A hack to create a platform device from a DMI entry. This will * allow autoloading of the IPMI drive based on SMBIOS entries. diff --git a/drivers/char/ipmi/ipmi_dmi.h b/drivers/char/ipmi/ipmi_dmi.h index 0a1afe5ceb1e..ea990a8e3b09 100644 --- a/drivers/char/ipmi/ipmi_dmi.h +++ b/drivers/char/ipmi/ipmi_dmi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * DMI defines for use by IPMI */ diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 593a8818aca9..970e1242a282 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/char/mem.c * diff --git a/drivers/char/misc.c b/drivers/char/misc.c index c9cd1ea6844a..1bb9e7cc82e3 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/char/misc.c * diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c index e6d0d271c58c..44006ed9558f 100644 --- a/drivers/char/nwbutton.c +++ b/drivers/char/nwbutton.c @@ -27,7 +27,7 @@ static void button_sequence_finished (unsigned long parameters); static int button_press_count; /* The count of button presses */ /* Times for the end of a sequence */ -static DEFINE_TIMER(button_timer, button_sequence_finished, 0, 0); +static DEFINE_TIMER(button_timer, button_sequence_finished); static DECLARE_WAIT_QUEUE_HEAD(button_wait_queue); /* Used for blocking read */ static char button_output_buffer[32]; /* Stores data to write out of device */ static int bcount; /* The number of bytes in the buffer */ diff --git a/drivers/char/nwbutton.h b/drivers/char/nwbutton.h index c3ebc16ce8a7..abee3ca74801 100644 --- a/drivers/char/nwbutton.h +++ b/drivers/char/nwbutton.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NWBUTTON_H #define __NWBUTTON_H diff --git a/drivers/char/pcmcia/cm4040_cs.h b/drivers/char/pcmcia/cm4040_cs.h index 9a8b805c5095..e2ffff995d51 100644 --- a/drivers/char/pcmcia/cm4040_cs.h +++ b/drivers/char/pcmcia/cm4040_cs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CM4040_H_ #define _CM4040_H_ diff --git a/drivers/char/random.c b/drivers/char/random.c index 8ad92707e45f..6c7ccac2679e 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -641,7 +641,7 @@ static void credit_entropy_bits(struct entropy_store *r, int nbits) return; retry: - entropy_count = orig = ACCESS_ONCE(r->entropy_count); + entropy_count = orig = READ_ONCE(r->entropy_count); if (nfrac < 0) { /* Debit */ entropy_count += nfrac; @@ -1265,7 +1265,7 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, /* Can we pull enough? */ retry: - entropy_count = orig = ACCESS_ONCE(r->entropy_count); + entropy_count = orig = READ_ONCE(r->entropy_count); ibytes = nbytes; /* never pull more than available */ have_bytes = entropy_count >> (ENTROPY_SHIFT + 3); diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 974d48927b07..616871e68e09 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -137,7 +137,7 @@ static DECLARE_WAIT_QUEUE_HEAD(rtc_wait); #ifdef RTC_IRQ static void rtc_dropped_irq(unsigned long data); -static DEFINE_TIMER(rtc_irq_timer, rtc_dropped_irq, 0, 0); +static DEFINE_TIMER(rtc_irq_timer, rtc_dropped_irq); #endif static ssize_t rtc_read(struct file *file, char __user *buf, diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c index 6210bff46341..8eeb4190207d 100644 --- a/drivers/char/tlclk.c +++ b/drivers/char/tlclk.c @@ -184,9 +184,8 @@ static unsigned int telclk_interrupt; static int int_events; /* Event that generate a interrupt */ static int got_event; /* if events processing have been done */ -static void switchover_timeout(unsigned long data); -static struct timer_list switchover_timer = - TIMER_INITIALIZER(switchover_timeout , 0, 0); +static void switchover_timeout(struct timer_list *t); +static struct timer_list switchover_timer; static unsigned long tlclk_timer_data; static struct tlclk_alarms *alarm_events; @@ -805,7 +804,7 @@ static int __init tlclk_init(void) goto out3; } - init_timer(&switchover_timer); + timer_setup(&switchover_timer, switchover_timeout, 0); ret = misc_register(&tlclk_miscdev); if (ret < 0) { @@ -855,9 +854,9 @@ static void __exit tlclk_cleanup(void) } -static void switchover_timeout(unsigned long data) +static void switchover_timeout(struct timer_list *unused) { - unsigned long flags = *(unsigned long *) data; + unsigned long flags = tlclk_timer_data; if ((flags & 1)) { if ((inb(TLCLK_REG1) & 0x08) != (flags & 0x08)) @@ -922,7 +921,6 @@ static irqreturn_t tlclk_interrupt(int irq, void *dev_id) /* TIMEOUT in ~10ms */ switchover_timer.expires = jiffies + msecs_to_jiffies(10); tlclk_timer_data = inb(TLCLK_REG1); - switchover_timer.data = (unsigned long) &tlclk_timer_data; mod_timer(&switchover_timer, switchover_timer.expires); } else { got_event = 1; diff --git a/drivers/char/tpm/Makefile b/drivers/char/tpm/Makefile index 23681f01f95a..34b4bcf46f43 100644 --- a/drivers/char/tpm/Makefile +++ b/drivers/char/tpm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel tpm device drivers. # diff --git a/drivers/char/tpm/st33zp24/Makefile b/drivers/char/tpm/st33zp24/Makefile index 74a722e5e068..649e41107de9 100644 --- a/drivers/char/tpm/st33zp24/Makefile +++ b/drivers/char/tpm/st33zp24/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for ST33ZP24 TPM 1.2 driver # diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c index 610638a80383..461bf0b8a094 100644 --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -110,6 +110,12 @@ ssize_t tpm_common_write(struct file *file, const char __user *buf, return -EFAULT; } + if (in_size < 6 || + in_size < be32_to_cpu(*((__be32 *) (priv->data_buffer + 2)))) { + mutex_unlock(&priv->buffer_mutex); + return -EINVAL; + } + /* atomic tpm command send and result receive. We only hold the ops * lock during this period so that the tpm can be unregistered even if * the char dev is held open. diff --git a/drivers/char/tpm/tpm-dev.h b/drivers/char/tpm/tpm-dev.h index ff15cf719bad..ba3b6f9dacf7 100644 --- a/drivers/char/tpm/tpm-dev.h +++ b/drivers/char/tpm/tpm-dev.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _TPM_DEV_H #define _TPM_DEV_H diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c index 86f38d239476..83a77a445538 100644 --- a/drivers/char/tpm/tpm-sysfs.c +++ b/drivers/char/tpm/tpm-sysfs.c @@ -20,44 +20,48 @@ #include <linux/device.h> #include "tpm.h" -#define READ_PUBEK_RESULT_SIZE 314 +struct tpm_readpubek_out { + u8 algorithm[4]; + u8 encscheme[2]; + u8 sigscheme[2]; + __be32 paramsize; + u8 parameters[12]; + __be32 keysize; + u8 modulus[256]; + u8 checksum[20]; +} __packed; + #define READ_PUBEK_RESULT_MIN_BODY_SIZE (28 + 256) #define TPM_ORD_READPUBEK 124 -static const struct tpm_input_header tpm_readpubek_header = { - .tag = cpu_to_be16(TPM_TAG_RQU_COMMAND), - .length = cpu_to_be32(30), - .ordinal = cpu_to_be32(TPM_ORD_READPUBEK) -}; + static ssize_t pubek_show(struct device *dev, struct device_attribute *attr, char *buf) { - u8 *data; - struct tpm_cmd_t tpm_cmd; - ssize_t err; - int i, rc; + struct tpm_buf tpm_buf; + struct tpm_readpubek_out *out; + ssize_t rc; + int i; char *str = buf; struct tpm_chip *chip = to_tpm_chip(dev); + char anti_replay[20]; - memset(&tpm_cmd, 0, sizeof(tpm_cmd)); - - tpm_cmd.header.in = tpm_readpubek_header; - err = tpm_transmit_cmd(chip, NULL, &tpm_cmd, READ_PUBEK_RESULT_SIZE, - READ_PUBEK_RESULT_MIN_BODY_SIZE, 0, - "attempting to read the PUBEK"); - if (err) - goto out; - - /* - ignore header 10 bytes - algorithm 32 bits (1 == RSA ) - encscheme 16 bits - sigscheme 16 bits - parameters (RSA 12->bytes: keybit, #primes, expbit) - keylenbytes 32 bits - 256 byte modulus - ignore checksum 20 bytes - */ - data = tpm_cmd.params.readpubek_out_buffer; + memset(&anti_replay, 0, sizeof(anti_replay)); + + rc = tpm_buf_init(&tpm_buf, TPM_TAG_RQU_COMMAND, TPM_ORD_READPUBEK); + if (rc) + return rc; + + tpm_buf_append(&tpm_buf, anti_replay, sizeof(anti_replay)); + + rc = tpm_transmit_cmd(chip, NULL, tpm_buf.data, PAGE_SIZE, + READ_PUBEK_RESULT_MIN_BODY_SIZE, 0, + "attempting to read the PUBEK"); + if (rc) { + tpm_buf_destroy(&tpm_buf); + return 0; + } + + out = (struct tpm_readpubek_out *)&tpm_buf.data[10]; str += sprintf(str, "Algorithm: %02X %02X %02X %02X\n" @@ -68,21 +72,26 @@ static ssize_t pubek_show(struct device *dev, struct device_attribute *attr, "%02X %02X %02X %02X\n" "Modulus length: %d\n" "Modulus:\n", - data[0], data[1], data[2], data[3], - data[4], data[5], - data[6], data[7], - data[12], data[13], data[14], data[15], - data[16], data[17], data[18], data[19], - data[20], data[21], data[22], data[23], - be32_to_cpu(*((__be32 *) (data + 24)))); + out->algorithm[0], out->algorithm[1], out->algorithm[2], + out->algorithm[3], + out->encscheme[0], out->encscheme[1], + out->sigscheme[0], out->sigscheme[1], + out->parameters[0], out->parameters[1], + out->parameters[2], out->parameters[3], + out->parameters[4], out->parameters[5], + out->parameters[6], out->parameters[7], + out->parameters[8], out->parameters[9], + out->parameters[10], out->parameters[11], + be32_to_cpu(out->keysize)); for (i = 0; i < 256; i++) { - str += sprintf(str, "%02X ", data[i + 28]); + str += sprintf(str, "%02X ", out->modulus[i]); if ((i + 1) % 16 == 0) str += sprintf(str, "\n"); } -out: + rc = str - buf; + tpm_buf_destroy(&tpm_buf); return rc; } static DEVICE_ATTR_RO(pubek); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 2d5466a72e40..528cffbd49d3 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -345,17 +345,6 @@ enum tpm_sub_capabilities { TPM_CAP_PROP_TIS_DURATION = 0x120, }; -struct tpm_readpubek_params_out { - u8 algorithm[4]; - u8 encscheme[2]; - u8 sigscheme[2]; - __be32 paramsize; - u8 parameters[12]; /*assuming RSA*/ - __be32 keysize; - u8 modulus[256]; - u8 checksum[20]; -} __packed; - typedef union { struct tpm_input_header in; struct tpm_output_header out; @@ -385,8 +374,6 @@ struct tpm_getrandom_in { } __packed; typedef union { - struct tpm_readpubek_params_out readpubek_out; - u8 readpubek_out_buffer[sizeof(struct tpm_readpubek_params_out)]; struct tpm_pcrread_in pcrread_in; struct tpm_pcrread_out pcrread_out; struct tpm_getrandom_in getrandom_in; @@ -557,7 +544,7 @@ static inline void tpm_add_ppi(struct tpm_chip *chip) } #endif -static inline inline u32 tpm2_rc_value(u32 rc) +static inline u32 tpm2_rc_value(u32 rc) { return (rc & BIT(7)) ? rc & 0xff : rc; } diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c index e1a41b788f08..f40d20671a78 100644 --- a/drivers/char/tpm/tpm2-cmd.c +++ b/drivers/char/tpm/tpm2-cmd.c @@ -834,72 +834,43 @@ static const struct tpm_input_header tpm2_selftest_header = { }; /** - * tpm2_continue_selftest() - start a self test - * - * @chip: TPM chip to use - * @full: test all commands instead of testing only those that were not - * previously tested. - * - * Return: Same as with tpm_transmit_cmd with exception of RC_TESTING. - */ -static int tpm2_start_selftest(struct tpm_chip *chip, bool full) -{ - int rc; - struct tpm2_cmd cmd; - - cmd.header.in = tpm2_selftest_header; - cmd.params.selftest_in.full_test = full; - - rc = tpm_transmit_cmd(chip, NULL, &cmd, TPM2_SELF_TEST_IN_SIZE, 0, 0, - "continue selftest"); - - /* At least some prototype chips seem to give RC_TESTING error - * immediately. This is a workaround for that. - */ - if (rc == TPM2_RC_TESTING) { - dev_warn(&chip->dev, "Got RC_TESTING, ignoring\n"); - rc = 0; - } - - return rc; -} - -/** - * tpm2_do_selftest() - run a full self test + * tpm2_do_selftest() - ensure that all self tests have passed * * @chip: TPM chip to use * * Return: Same as with tpm_transmit_cmd. * - * During the self test TPM2 commands return with the error code RC_TESTING. - * Waiting is done by issuing PCR read until it executes successfully. + * The TPM can either run all self tests synchronously and then return + * RC_SUCCESS once all tests were successful. Or it can choose to run the tests + * asynchronously and return RC_TESTING immediately while the self tests still + * execute in the background. This function handles both cases and waits until + * all tests have completed. */ static int tpm2_do_selftest(struct tpm_chip *chip) { int rc; - unsigned int loops; - unsigned int delay_msec = 100; - unsigned long duration; - int i; - - duration = tpm2_calc_ordinal_duration(chip, TPM2_CC_SELF_TEST); + unsigned int delay_msec = 20; + long duration; + struct tpm2_cmd cmd; - loops = jiffies_to_msecs(duration) / delay_msec; + duration = jiffies_to_msecs( + tpm2_calc_ordinal_duration(chip, TPM2_CC_SELF_TEST)); - rc = tpm2_start_selftest(chip, true); - if (rc) - return rc; + while (duration > 0) { + cmd.header.in = tpm2_selftest_header; + cmd.params.selftest_in.full_test = 0; - for (i = 0; i < loops; i++) { - /* Attempt to read a PCR value */ - rc = tpm2_pcr_read(chip, 0, NULL); - if (rc < 0) - break; + rc = tpm_transmit_cmd(chip, NULL, &cmd, TPM2_SELF_TEST_IN_SIZE, + 0, 0, "continue selftest"); if (rc != TPM2_RC_TESTING) break; tpm_msleep(delay_msec); + duration -= delay_msec; + + /* wait longer the next round */ + delay_msec *= 2; } return rc; @@ -1009,7 +980,7 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip) { struct tpm_buf buf; u32 nr_commands; - u32 *attrs; + __be32 *attrs; u32 cc; int i; int rc; @@ -1049,7 +1020,7 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip) chip->nr_commands = nr_commands; - attrs = (u32 *)&buf.data[TPM_HEADER_SIZE + 9]; + attrs = (__be32 *)&buf.data[TPM_HEADER_SIZE + 9]; for (i = 0; i < nr_commands; i++, attrs++) { chip->cc_attrs_tbl[i] = be32_to_cpup(attrs); cc = chip->cc_attrs_tbl[i] & 0xFFFF; diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c index e2e059d8ffec..4e4014eabdb9 100644 --- a/drivers/char/tpm/tpm2-space.c +++ b/drivers/char/tpm/tpm2-space.c @@ -242,7 +242,7 @@ static int tpm2_map_command(struct tpm_chip *chip, u32 cc, u8 *cmd) struct tpm_space *space = &chip->work_space; unsigned int nr_handles; u32 attrs; - u32 *handle; + __be32 *handle; int i; i = tpm2_find_cc(chip, cc); @@ -252,7 +252,7 @@ static int tpm2_map_command(struct tpm_chip *chip, u32 cc, u8 *cmd) attrs = chip->cc_attrs_tbl[i]; nr_handles = (attrs >> TPM2_CC_ATTR_CHANDLES) & GENMASK(2, 0); - handle = (u32 *)&cmd[TPM_HEADER_SIZE]; + handle = (__be32 *)&cmd[TPM_HEADER_SIZE]; for (i = 0; i < nr_handles; i++, handle++) { if ((be32_to_cpu(*handle) & 0xFF000000) == TPM2_HT_TRANSIENT) { if (!tpm2_map_to_phandle(space, handle)) diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 8f0a98dea327..7b3c2a8aa9de 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -92,14 +92,9 @@ enum crb_status { CRB_DRV_STS_COMPLETE = BIT(0), }; -enum crb_flags { - CRB_FL_ACPI_START = BIT(0), - CRB_FL_CRB_START = BIT(1), - CRB_FL_CRB_SMC_START = BIT(2), -}; - struct crb_priv { - unsigned int flags; + u32 sm; + const char *hid; void __iomem *iobase; struct crb_regs_head __iomem *regs_h; struct crb_regs_tail __iomem *regs_t; @@ -128,14 +123,16 @@ struct tpm2_crb_smc { * Anyhow, we do not wait here as a consequent CMD_READY request * will be handled correctly even if idle was not completed. * - * The function does nothing for devices with ACPI-start method. + * The function does nothing for devices with ACPI-start method + * or SMC-start method. * * Return: 0 always */ static int __maybe_unused crb_go_idle(struct device *dev, struct crb_priv *priv) { - if ((priv->flags & CRB_FL_ACPI_START) || - (priv->flags & CRB_FL_CRB_SMC_START)) + if ((priv->sm == ACPI_TPM2_START_METHOD) || + (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD) || + (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC)) return 0; iowrite32(CRB_CTRL_REQ_GO_IDLE, &priv->regs_t->ctrl_req); @@ -174,14 +171,16 @@ static bool crb_wait_for_reg_32(u32 __iomem *reg, u32 mask, u32 value, * The device should respond within TIMEOUT_C. * * The function does nothing for devices with ACPI-start method + * or SMC-start method. * * Return: 0 on success -ETIME on timeout; */ static int __maybe_unused crb_cmd_ready(struct device *dev, struct crb_priv *priv) { - if ((priv->flags & CRB_FL_ACPI_START) || - (priv->flags & CRB_FL_CRB_SMC_START)) + if ((priv->sm == ACPI_TPM2_START_METHOD) || + (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD) || + (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC)) return 0; iowrite32(CRB_CTRL_REQ_CMD_READY, &priv->regs_t->ctrl_req); @@ -325,13 +324,20 @@ static int crb_send(struct tpm_chip *chip, u8 *buf, size_t len) /* Make sure that cmd is populated before issuing start. */ wmb(); - if (priv->flags & CRB_FL_CRB_START) + /* The reason for the extra quirk is that the PTT in 4th Gen Core CPUs + * report only ACPI start but in practice seems to require both + * CRB start, hence invoking CRB start method if hid == MSFT0101. + */ + if ((priv->sm == ACPI_TPM2_COMMAND_BUFFER) || + (priv->sm == ACPI_TPM2_MEMORY_MAPPED) || + (!strcmp(priv->hid, "MSFT0101"))) iowrite32(CRB_START_INVOKE, &priv->regs_t->ctrl_start); - if (priv->flags & CRB_FL_ACPI_START) + if ((priv->sm == ACPI_TPM2_START_METHOD) || + (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD)) rc = crb_do_acpi_start(chip); - if (priv->flags & CRB_FL_CRB_SMC_START) { + if (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC) { iowrite32(CRB_START_INVOKE, &priv->regs_t->ctrl_start); rc = tpm_crb_smc_start(&chip->dev, priv->smc_func_id); } @@ -345,7 +351,9 @@ static void crb_cancel(struct tpm_chip *chip) iowrite32(CRB_CANCEL_INVOKE, &priv->regs_t->ctrl_cancel); - if ((priv->flags & CRB_FL_ACPI_START) && crb_do_acpi_start(chip)) + if (((priv->sm == ACPI_TPM2_START_METHOD) || + (priv->sm == ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD)) && + crb_do_acpi_start(chip)) dev_err(&chip->dev, "ACPI Start failed\n"); } @@ -458,7 +466,8 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv, * the control area, as one nice sane region except for some older * stuff that puts the control area outside the ACPI IO region. */ - if (!(priv->flags & CRB_FL_ACPI_START)) { + if ((priv->sm == ACPI_TPM2_COMMAND_BUFFER) || + (priv->sm == ACPI_TPM2_MEMORY_MAPPED)) { if (buf->control_address == io_res.start + sizeof(*priv->regs_h)) priv->regs_h = priv->iobase; @@ -552,18 +561,6 @@ static int crb_acpi_add(struct acpi_device *device) if (!priv) return -ENOMEM; - /* The reason for the extra quirk is that the PTT in 4th Gen Core CPUs - * report only ACPI start but in practice seems to require both - * ACPI start and CRB start. - */ - if (sm == ACPI_TPM2_COMMAND_BUFFER || sm == ACPI_TPM2_MEMORY_MAPPED || - !strcmp(acpi_device_hid(device), "MSFT0101")) - priv->flags |= CRB_FL_CRB_START; - - if (sm == ACPI_TPM2_START_METHOD || - sm == ACPI_TPM2_COMMAND_BUFFER_WITH_START_METHOD) - priv->flags |= CRB_FL_ACPI_START; - if (sm == ACPI_TPM2_COMMAND_BUFFER_WITH_ARM_SMC) { if (buf->header.length < (sizeof(*buf) + sizeof(*crb_smc))) { dev_err(dev, @@ -574,9 +571,11 @@ static int crb_acpi_add(struct acpi_device *device) } crb_smc = ACPI_ADD_PTR(struct tpm2_crb_smc, buf, sizeof(*buf)); priv->smc_func_id = crb_smc->smc_func_id; - priv->flags |= CRB_FL_CRB_SMC_START; } + priv->sm = sm; + priv->hid = acpi_device_hid(device); + rc = crb_map_io(device, priv, buf); if (rc) return rc; diff --git a/drivers/char/tpm/tpm_eventlog.h b/drivers/char/tpm/tpm_eventlog.h index b4b549559203..204466cc4d05 100644 --- a/drivers/char/tpm/tpm_eventlog.h +++ b/drivers/char/tpm/tpm_eventlog.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __TPM_EVENTLOG_H__ #define __TPM_EVENTLOG_H__ diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 7e55aa9ce680..e2d1055fb814 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -30,6 +30,7 @@ #include <linux/freezer.h> #include <linux/of.h> #include <linux/of_device.h> +#include <linux/kernel.h> #include "tpm.h" #include "tpm_tis_core.h" @@ -223,7 +224,7 @@ static int tpm_tcg_read_bytes(struct tpm_tis_data *data, u32 addr, u16 len, } static int tpm_tcg_write_bytes(struct tpm_tis_data *data, u32 addr, u16 len, - u8 *value) + const u8 *value) { struct tpm_tis_tcg_phy *phy = to_tpm_tis_tcg_phy(data); @@ -365,7 +366,7 @@ static struct pnp_driver tis_pnp_driver = { }, }; -#define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2 +#define TIS_HID_USR_IDX (ARRAY_SIZE(tpm_pnp_tbl) - 2) module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id, sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444); MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe"); diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c index 63bc6c3b949e..fdde971bc810 100644 --- a/drivers/char/tpm/tpm_tis_core.c +++ b/drivers/char/tpm/tpm_tis_core.c @@ -252,7 +252,7 @@ out: * tpm.c can skip polling for the data to be available as the interrupt is * waited for here */ -static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len) +static int tpm_tis_send_data(struct tpm_chip *chip, const u8 *buf, size_t len) { struct tpm_tis_data *priv = dev_get_drvdata(&chip->dev); int rc, status, burstcnt; @@ -343,7 +343,7 @@ static void disable_interrupts(struct tpm_chip *chip) * tpm.c can skip polling for the data to be available as the interrupt is * waited for here */ -static int tpm_tis_send_main(struct tpm_chip *chip, u8 *buf, size_t len) +static int tpm_tis_send_main(struct tpm_chip *chip, const u8 *buf, size_t len) { struct tpm_tis_data *priv = dev_get_drvdata(&chip->dev); int rc; @@ -445,7 +445,7 @@ static int probe_itpm(struct tpm_chip *chip) { struct tpm_tis_data *priv = dev_get_drvdata(&chip->dev); int rc = 0; - u8 cmd_getticks[] = { + static const u8 cmd_getticks[] = { 0x00, 0xc1, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0xf1 }; diff --git a/drivers/char/tpm/tpm_tis_core.h b/drivers/char/tpm/tpm_tis_core.h index e2212f021a02..6bbac319ff3b 100644 --- a/drivers/char/tpm/tpm_tis_core.h +++ b/drivers/char/tpm/tpm_tis_core.h @@ -98,7 +98,7 @@ struct tpm_tis_phy_ops { int (*read_bytes)(struct tpm_tis_data *data, u32 addr, u16 len, u8 *result); int (*write_bytes)(struct tpm_tis_data *data, u32 addr, u16 len, - u8 *value); + const u8 *value); int (*read16)(struct tpm_tis_data *data, u32 addr, u16 *result); int (*read32)(struct tpm_tis_data *data, u32 addr, u32 *result); int (*write32)(struct tpm_tis_data *data, u32 addr, u32 src); @@ -128,7 +128,7 @@ static inline int tpm_tis_read32(struct tpm_tis_data *data, u32 addr, } static inline int tpm_tis_write_bytes(struct tpm_tis_data *data, u32 addr, - u16 len, u8 *value) + u16 len, const u8 *value) { return data->phy_ops->write_bytes(data, addr, len, value); } diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c index 88fe72ae967f..424ff2fde1f2 100644 --- a/drivers/char/tpm/tpm_tis_spi.c +++ b/drivers/char/tpm/tpm_tis_spi.c @@ -46,9 +46,7 @@ struct tpm_tis_spi_phy { struct tpm_tis_data priv; struct spi_device *spi_device; - - u8 tx_buf[4]; - u8 rx_buf[4]; + u8 *iobuf; }; static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *data) @@ -57,7 +55,7 @@ static inline struct tpm_tis_spi_phy *to_tpm_tis_spi_phy(struct tpm_tis_data *da } static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, - u8 *buffer, u8 direction) + u8 *in, const u8 *out) { struct tpm_tis_spi_phy *phy = to_tpm_tis_spi_phy(data); int ret = 0; @@ -71,14 +69,14 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, while (len) { transfer_len = min_t(u16, len, MAX_SPI_FRAMESIZE); - phy->tx_buf[0] = direction | (transfer_len - 1); - phy->tx_buf[1] = 0xd4; - phy->tx_buf[2] = addr >> 8; - phy->tx_buf[3] = addr; + phy->iobuf[0] = (in ? 0x80 : 0) | (transfer_len - 1); + phy->iobuf[1] = 0xd4; + phy->iobuf[2] = addr >> 8; + phy->iobuf[3] = addr; memset(&spi_xfer, 0, sizeof(spi_xfer)); - spi_xfer.tx_buf = phy->tx_buf; - spi_xfer.rx_buf = phy->rx_buf; + spi_xfer.tx_buf = phy->iobuf; + spi_xfer.rx_buf = phy->iobuf; spi_xfer.len = 4; spi_xfer.cs_change = 1; @@ -88,9 +86,9 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, if (ret < 0) goto exit; - if ((phy->rx_buf[3] & 0x01) == 0) { + if ((phy->iobuf[3] & 0x01) == 0) { // handle SPI wait states - phy->tx_buf[0] = 0; + phy->iobuf[0] = 0; for (i = 0; i < TPM_RETRY; i++) { spi_xfer.len = 1; @@ -99,7 +97,7 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, ret = spi_sync_locked(phy->spi_device, &m); if (ret < 0) goto exit; - if (phy->rx_buf[0] & 0x01) + if (phy->iobuf[0] & 0x01) break; } @@ -113,12 +111,12 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, spi_xfer.len = transfer_len; spi_xfer.delay_usecs = 5; - if (direction) { + if (in) { spi_xfer.tx_buf = NULL; - spi_xfer.rx_buf = buffer; - } else { - spi_xfer.tx_buf = buffer; + } else if (out) { spi_xfer.rx_buf = NULL; + memcpy(phy->iobuf, out, transfer_len); + out += transfer_len; } spi_message_init(&m); @@ -127,8 +125,12 @@ static int tpm_tis_spi_transfer(struct tpm_tis_data *data, u32 addr, u16 len, if (ret < 0) goto exit; + if (in) { + memcpy(in, phy->iobuf, transfer_len); + in += transfer_len; + } + len -= transfer_len; - buffer += transfer_len; } exit: @@ -139,40 +141,51 @@ exit: static int tpm_tis_spi_read_bytes(struct tpm_tis_data *data, u32 addr, u16 len, u8 *result) { - return tpm_tis_spi_transfer(data, addr, len, result, 0x80); + return tpm_tis_spi_transfer(data, addr, len, result, NULL); } static int tpm_tis_spi_write_bytes(struct tpm_tis_data *data, u32 addr, - u16 len, u8 *value) + u16 len, const u8 *value) { - return tpm_tis_spi_transfer(data, addr, len, value, 0); + return tpm_tis_spi_transfer(data, addr, len, NULL, value); } static int tpm_tis_spi_read16(struct tpm_tis_data *data, u32 addr, u16 *result) { + __le16 result_le; int rc; - rc = data->phy_ops->read_bytes(data, addr, sizeof(u16), (u8 *)result); + rc = data->phy_ops->read_bytes(data, addr, sizeof(u16), + (u8 *)&result_le); if (!rc) - *result = le16_to_cpu(*result); + *result = le16_to_cpu(result_le); + return rc; } static int tpm_tis_spi_read32(struct tpm_tis_data *data, u32 addr, u32 *result) { + __le32 result_le; int rc; - rc = data->phy_ops->read_bytes(data, addr, sizeof(u32), (u8 *)result); + rc = data->phy_ops->read_bytes(data, addr, sizeof(u32), + (u8 *)&result_le); if (!rc) - *result = le32_to_cpu(*result); + *result = le32_to_cpu(result_le); + return rc; } static int tpm_tis_spi_write32(struct tpm_tis_data *data, u32 addr, u32 value) { - value = cpu_to_le32(value); - return data->phy_ops->write_bytes(data, addr, sizeof(u32), - (u8 *)&value); + __le32 value_le; + int rc; + + value_le = cpu_to_le32(value); + rc = data->phy_ops->write_bytes(data, addr, sizeof(u32), + (u8 *)&value_le); + + return rc; } static const struct tpm_tis_phy_ops tpm_spi_phy_ops = { @@ -194,6 +207,10 @@ static int tpm_tis_spi_probe(struct spi_device *dev) phy->spi_device = dev; + phy->iobuf = devm_kmalloc(&dev->dev, MAX_SPI_FRAMESIZE, GFP_KERNEL); + if (!phy->iobuf) + return -ENOMEM; + return tpm_tis_core_init(&dev->dev, &phy->priv, -1, &tpm_spi_phy_ops, NULL); } diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index c99f363826f0..f7f761b02bed 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # common clock types obj-$(CONFIG_HAVE_CLK) += clk-devres.o clk-bulk.o obj-$(CONFIG_CLKDEV_LOOKUP) += clkdev.o diff --git a/drivers/clk/at91/Makefile b/drivers/clk/at91/Makefile index c68947b65a4c..082596f37c1d 100644 --- a/drivers/clk/at91/Makefile +++ b/drivers/clk/at91/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for at91 specific clk # diff --git a/drivers/clk/bcm/Makefile b/drivers/clk/bcm/Makefile index a0c14fa4aa1e..e3f0cb0d90f3 100644 --- a/drivers/clk/bcm/Makefile +++ b/drivers/clk/bcm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CLK_BCM_63XX) += clk-bcm63xx.o obj-$(CONFIG_CLK_BCM_KONA) += clk-kona.o obj-$(CONFIG_CLK_BCM_KONA) += clk-kona-setup.o diff --git a/drivers/clk/clk-gemini.c b/drivers/clk/clk-gemini.c index f940e5af845b..5e66e6c0205e 100644 --- a/drivers/clk/clk-gemini.c +++ b/drivers/clk/clk-gemini.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Cortina Gemini SoC Clock Controller driver * Copyright (c) 2017 Linus Walleij <linus.walleij@linaro.org> diff --git a/drivers/clk/clk-tango4.c b/drivers/clk/clk-tango4.c index eef75e305a59..34b22b7930fb 100644 --- a/drivers/clk/clk-tango4.c +++ b/drivers/clk/clk-tango4.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/clk-provider.h> #include <linux/of_address.h> diff --git a/drivers/clk/h8300/clk-div.c b/drivers/clk/h8300/clk-div.c index 715b882205a8..4ae624425e9d 100644 --- a/drivers/clk/h8300/clk-div.c +++ b/drivers/clk/h8300/clk-div.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * H8/300 divide clock driver * diff --git a/drivers/clk/h8300/clk-h8s2678.c b/drivers/clk/h8300/clk-h8s2678.c index a26312460621..fc24b0b55a3d 100644 --- a/drivers/clk/h8300/clk-h8s2678.c +++ b/drivers/clk/h8300/clk-h8s2678.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * H8S2678 clock driver * diff --git a/drivers/clk/hisilicon/Makefile b/drivers/clk/hisilicon/Makefile index 1e4c3ddbad84..0e55612112af 100644 --- a/drivers/clk/hisilicon/Makefile +++ b/drivers/clk/hisilicon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Hisilicon Clock specific Makefile # diff --git a/drivers/clk/imgtec/clk-boston.c b/drivers/clk/imgtec/clk-boston.c index f18f10351785..15af423cc0c9 100644 --- a/drivers/clk/imgtec/clk-boston.c +++ b/drivers/clk/imgtec/clk-boston.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2016-2017 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile index 1ada68abb158..f91f2b2e11cd 100644 --- a/drivers/clk/imx/Makefile +++ b/drivers/clk/imx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += \ clk.o \ diff --git a/drivers/clk/imx/clk-imx27.c b/drivers/clk/imx/clk-imx27.c index cf5cf75a4848..0a0ab95d16fe 100644 --- a/drivers/clk/imx/clk-imx27.c +++ b/drivers/clk/imx/clk-imx27.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/clkdev.h> diff --git a/drivers/clk/imx/clk-pllv1.c b/drivers/clk/imx/clk-pllv1.c index 82fe3662b5f6..e47a1c2fe8bd 100644 --- a/drivers/clk/imx/clk-pllv1.c +++ b/drivers/clk/imx/clk-pllv1.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/clk-provider.h> #include <linux/io.h> #include <linux/slab.h> diff --git a/drivers/clk/imx/clk-pllv2.c b/drivers/clk/imx/clk-pllv2.c index 4aeda56ce372..9842d657e974 100644 --- a/drivers/clk/imx/clk-pllv2.c +++ b/drivers/clk/imx/clk-pllv2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/clk.h> #include <linux/io.h> diff --git a/drivers/clk/imx/clk.c b/drivers/clk/imx/clk.c index a634b1185be3..9074e6974b6d 100644 --- a/drivers/clk/imx/clk.c +++ b/drivers/clk/imx/clk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/clk.h> #include <linux/err.h> #include <linux/of.h> diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h index d54f0720afba..d69c4bbf3597 100644 --- a/drivers/clk/imx/clk.h +++ b/drivers/clk/imx/clk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_IMX_CLK_H #define __MACH_IMX_CLK_H diff --git a/drivers/clk/ingenic/cgu.c b/drivers/clk/ingenic/cgu.c index e8248f9185f7..ab393637f7b0 100644 --- a/drivers/clk/ingenic/cgu.c +++ b/drivers/clk/ingenic/cgu.c @@ -2,7 +2,7 @@ * Ingenic SoC CGU driver * * Copyright (c) 2013-2015 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as diff --git a/drivers/clk/ingenic/cgu.h b/drivers/clk/ingenic/cgu.h index 09700b2c555d..e78b586536ea 100644 --- a/drivers/clk/ingenic/cgu.h +++ b/drivers/clk/ingenic/cgu.h @@ -2,7 +2,7 @@ * Ingenic SoC CGU driver * * Copyright (c) 2013-2015 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as diff --git a/drivers/clk/ingenic/jz4740-cgu.c b/drivers/clk/ingenic/jz4740-cgu.c index 510fe7e0c8f1..32fcc75f6f77 100644 --- a/drivers/clk/ingenic/jz4740-cgu.c +++ b/drivers/clk/ingenic/jz4740-cgu.c @@ -2,7 +2,7 @@ * Ingenic JZ4740 SoC CGU driver * * Copyright (c) 2015 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as diff --git a/drivers/clk/ingenic/jz4780-cgu.c b/drivers/clk/ingenic/jz4780-cgu.c index b35d6d9dd5aa..ac3585ed8228 100644 --- a/drivers/clk/ingenic/jz4780-cgu.c +++ b/drivers/clk/ingenic/jz4780-cgu.c @@ -2,7 +2,7 @@ * Ingenic JZ4780 SoC CGU driver * * Copyright (c) 2013-2015 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 2a755b5fb51b..ba2a070765f0 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o clk-apmixed.o clk-cpumux.o obj-$(CONFIG_RESET_CONTROLLER) += reset.o obj-$(CONFIG_COMMON_CLK_MT6797) += clk-mt6797.o diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile index 9d4bc41e4239..7bc7ac69391e 100644 --- a/drivers/clk/mmp/Makefile +++ b/drivers/clk/mmp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for mmp specific clk # diff --git a/drivers/clk/mmp/clk.c b/drivers/clk/mmp/clk.c index 089927e4cda2..ad8d483a35cd 100644 --- a/drivers/clk/mmp/clk.c +++ b/drivers/clk/mmp/clk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/io.h> #include <linux/clk-provider.h> #include <linux/slab.h> diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h index adf9b711b037..70bb73257647 100644 --- a/drivers/clk/mmp/clk.h +++ b/drivers/clk/mmp/clk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_MMP_CLK_H #define __MACH_MMP_CLK_H diff --git a/drivers/clk/mmp/reset.c b/drivers/clk/mmp/reset.c index b4e4d6aa2631..ded7e391c737 100644 --- a/drivers/clk/mmp/reset.c +++ b/drivers/clk/mmp/reset.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> #include <linux/io.h> #include <linux/of.h> diff --git a/drivers/clk/mmp/reset.h b/drivers/clk/mmp/reset.h index be8b1a7000f7..3d0470ca3fd9 100644 --- a/drivers/clk/mmp/reset.h +++ b/drivers/clk/mmp/reset.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_MMP_CLK_RESET_H #define __MACH_MMP_CLK_RESET_H diff --git a/drivers/clk/mvebu/Makefile b/drivers/clk/mvebu/Makefile index d71c7fd5da16..93ac3685271f 100644 --- a/drivers/clk/mvebu/Makefile +++ b/drivers/clk/mvebu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MVEBU_CLK_COMMON) += common.o obj-$(CONFIG_MVEBU_CLK_CPU) += clk-cpu.o obj-$(CONFIG_MVEBU_CLK_COREDIV) += clk-corediv.o diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c index 4091f3cfee19..7e35c891e168 100644 --- a/drivers/clk/mvebu/dove-divider.c +++ b/drivers/clk/mvebu/dove-divider.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Dove PMU Core PLL divider driver * diff --git a/drivers/clk/mvebu/dove-divider.h b/drivers/clk/mvebu/dove-divider.h index 4f2f718deb8e..38ea373088ca 100644 --- a/drivers/clk/mvebu/dove-divider.h +++ b/drivers/clk/mvebu/dove-divider.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DOVE_DIVIDER_H #define DOVE_DIVIDER_H diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile index 3f3aff229fb7..26410d31446b 100644 --- a/drivers/clk/qcom/Makefile +++ b/drivers/clk/qcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_COMMON_CLK_QCOM) += clk-qcom.o clk-qcom-y += common.o diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index 9bda3ec5b199..cbbb081e2145 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # SoC obj-$(CONFIG_CLK_EMEV2) += clk-emev2.o obj-$(CONFIG_CLK_RZA1) += clk-rz.o diff --git a/drivers/clk/renesas/clk-div6.h b/drivers/clk/renesas/clk-div6.h index 567b31d2bfa5..065dfb49adf6 100644 --- a/drivers/clk/renesas/clk-div6.h +++ b/drivers/clk/renesas/clk-div6.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RENESAS_CLK_DIV6_H__ #define __RENESAS_CLK_DIV6_H__ diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile index 6f19826cc447..59b8d320960a 100644 --- a/drivers/clk/rockchip/Makefile +++ b/drivers/clk/rockchip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Rockchip Clock specific Makefile # diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 7afc21dc374e..23835001e8bd 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Samsung Clock specific Makefile # diff --git a/drivers/clk/sirf/atlas6.h b/drivers/clk/sirf/atlas6.h index 376217f3bf8f..cb871e30a175 100644 --- a/drivers/clk/sirf/atlas6.h +++ b/drivers/clk/sirf/atlas6.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define SIRFSOC_CLKC_CLK_EN0 0x0000 #define SIRFSOC_CLKC_CLK_EN1 0x0004 #define SIRFSOC_CLKC_REF_CFG 0x0020 diff --git a/drivers/clk/sirf/prima2.h b/drivers/clk/sirf/prima2.h index 01bc3854a058..2fb56941795d 100644 --- a/drivers/clk/sirf/prima2.h +++ b/drivers/clk/sirf/prima2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define SIRFSOC_CLKC_CLK_EN0 0x0000 #define SIRFSOC_CLKC_CLK_EN1 0x0004 #define SIRFSOC_CLKC_REF_CFG 0x0014 diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile index d8bb239753a4..9146c20fe21f 100644 --- a/drivers/clk/socfpga/Makefile +++ b/drivers/clk/socfpga/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += clk.o obj-y += clk-gate.o obj-y += clk-pll.o diff --git a/drivers/clk/spear/Makefile b/drivers/clk/spear/Makefile index cdb425d3b8ee..d7e75d2d42df 100644 --- a/drivers/clk/spear/Makefile +++ b/drivers/clk/spear/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # SPEAr Clock specific Makefile # diff --git a/drivers/clk/st/clkgen.h b/drivers/clk/st/clkgen.h index f7ec2d9139d6..44302fc7ca96 100644 --- a/drivers/clk/st/clkgen.h +++ b/drivers/clk/st/clkgen.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /************************************************************************ File : Clock H/w specific Information diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile index 85a0633c1eac..d1c2fa93ddd9 100644 --- a/drivers/clk/sunxi-ng/Makefile +++ b/drivers/clk/sunxi-ng/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Common objects lib-$(CONFIG_SUNXI_CCU) += ccu_common.o lib-$(CONFIG_SUNXI_CCU) += ccu_mmc_timing.o diff --git a/drivers/clk/sunxi-ng/ccu_mult.h b/drivers/clk/sunxi-ng/ccu_mult.h index f9c37b987d72..6b30b0c10807 100644 --- a/drivers/clk/sunxi-ng/ccu_mult.h +++ b/drivers/clk/sunxi-ng/ccu_mult.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CCU_MULT_H_ #define _CCU_MULT_H_ diff --git a/drivers/clk/sunxi-ng/ccu_mux.h b/drivers/clk/sunxi-ng/ccu_mux.h index f20c0bd62a47..f165395effb5 100644 --- a/drivers/clk/sunxi-ng/ccu_mux.h +++ b/drivers/clk/sunxi-ng/ccu_mux.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CCU_MUX_H_ #define _CCU_MUX_H_ diff --git a/drivers/clk/sunxi/Makefile b/drivers/clk/sunxi/Makefile index 39d2044a1f49..be88368b48a1 100644 --- a/drivers/clk/sunxi/Makefile +++ b/drivers/clk/sunxi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for sunxi specific clk # diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h index 1e63c5b2d5f4..824f746b2567 100644 --- a/drivers/clk/sunxi/clk-factors.h +++ b/drivers/clk/sunxi/clk-factors.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MACH_SUNXI_CLK_FACTORS_H #define __MACH_SUNXI_CLK_FACTORS_H diff --git a/drivers/clk/sunxi/clk-sun9i-cpus.c b/drivers/clk/sunxi/clk-sun9i-cpus.c index 7626d2194b96..4d5e14142e15 100644 --- a/drivers/clk/sunxi/clk-sun9i-cpus.c +++ b/drivers/clk/sunxi/clk-sun9i-cpus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2015 Chen-Yu Tsai * diff --git a/drivers/clk/tegra/Makefile b/drivers/clk/tegra/Makefile index 4be8af28ee61..b71692391bd6 100644 --- a/drivers/clk/tegra/Makefile +++ b/drivers/clk/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += clk.o obj-y += clk-audio-sync.o obj-y += clk-dfll.o diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index 689f344377a7..11ee5f9ce99e 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This header provides IDs for clocks common between several Tegra SoCs */ diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile index edb9f471e525..a2293ee09440 100644 --- a/drivers/clk/ti/Makefile +++ b/drivers/clk/ti/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifeq ($(CONFIG_ARCH_OMAP2PLUS), y) obj-y += clk.o autoidle.o clockdomain.o diff --git a/drivers/clk/uniphier/Makefile b/drivers/clk/uniphier/Makefile index 665d1d65a90e..e5715abef180 100644 --- a/drivers/clk/uniphier/Makefile +++ b/drivers/clk/uniphier/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += clk-uniphier-core.o obj-y += clk-uniphier-cpugear.o diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c index 0e396f3da526..07f3b91a7daf 100644 --- a/drivers/clk/uniphier/clk-uniphier-sys.c +++ b/drivers/clk/uniphier/clk-uniphier-sys.c @@ -233,9 +233,9 @@ const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = { UNIPHIER_LD20_SYS_CLK_SD, UNIPHIER_LD11_SYS_CLK_NAND(2), UNIPHIER_LD11_SYS_CLK_EMMC(4), - UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x2104, 4), /* =GIO0 */ - UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x2104, 5), /* =GIO1 */ - UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x2104, 6), /* =GIO1-1 */ + UNIPHIER_CLK_GATE("usb30", 12, NULL, 0x210c, 4), /* =GIO0 */ + UNIPHIER_CLK_GATE("usb31-0", 13, NULL, 0x210c, 5), /* =GIO1 */ + UNIPHIER_CLK_GATE("usb31-1", 14, NULL, 0x210c, 6), /* =GIO1-1 */ UNIPHIER_CLK_GATE("usb30-phy0", 16, NULL, 0x210c, 16), UNIPHIER_CLK_GATE("usb30-phy1", 17, NULL, 0x210c, 18), UNIPHIER_CLK_GATE("usb30-phy2", 18, NULL, 0x210c, 20), diff --git a/drivers/clk/ux500/Makefile b/drivers/clk/ux500/Makefile index f3baef29859c..fedc083dc8be 100644 --- a/drivers/clk/ux500/Makefile +++ b/drivers/clk/ux500/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for ux500 clocks # diff --git a/drivers/clk/versatile/clk-icst.h b/drivers/clk/versatile/clk-icst.h index 5add02ebec5d..e36ca1a20e90 100644 --- a/drivers/clk/versatile/clk-icst.h +++ b/drivers/clk/versatile/clk-icst.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /** * struct clk_icst_desc - descriptor for the ICST VCO * @params: ICST parameters diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index cc6062049170..c729a88007d0 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -1,9 +1,8 @@ menu "Clock Source drivers" - depends on !ARCH_USES_GETTIMEOFFSET + depends on GENERIC_CLOCKEVENTS config TIMER_OF bool - depends on GENERIC_CLOCKEVENTS select TIMER_PROBE config TIMER_ACPI @@ -30,21 +29,18 @@ config CLKSRC_MMIO config BCM2835_TIMER bool "BCM2835 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables the support for the BCM2835 timer driver. config BCM_KONA_TIMER bool "BCM mobile timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables the support for the BCM Kona mobile timer driver. config DIGICOLOR_TIMER bool "Digicolor timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO depends on HAS_IOMEM help @@ -52,7 +48,6 @@ config DIGICOLOR_TIMER config DW_APB_TIMER bool "DW APB timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS help Enables the support for the dw_apb timer. @@ -63,7 +58,6 @@ config DW_APB_TIMER_OF config FTTMR010_TIMER bool "Faraday Technology timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM select CLKSRC_MMIO select TIMER_OF @@ -90,7 +84,6 @@ config ARMADA_370_XP_TIMER config MESON6_TIMER bool "Meson6 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables the support for the Meson6 timer driver. @@ -105,14 +98,12 @@ config ORION_TIMER config OWL_TIMER bool "Owl timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables the support for the Actions Semi Owl timer driver. config SUN4I_TIMER bool "Sun4i timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM select CLKSRC_MMIO select TIMER_OF @@ -135,7 +126,6 @@ config TEGRA_TIMER config VT8500_TIMER bool "VT8500 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM help Enables support for the VT8500 driver. @@ -148,7 +138,6 @@ config CADENCE_TTC_TIMER config ASM9260_TIMER bool "ASM9260 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO select TIMER_OF help @@ -171,28 +160,24 @@ config CLKSRC_NOMADIK_MTU_SCHED_CLOCK config CLKSRC_DBX500_PRCMU bool "Clocksource PRCMU Timer" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM help Use the always on PRCMU Timer as clocksource config CLPS711X_TIMER bool "Cirrus logic timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables support for the Cirrus Logic PS711 timer. config ATLAS7_TIMER bool "Atlas7 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables support for the Atlas7 timer. config MXS_TIMER bool "Mxs timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO select STMP_DEVICE help @@ -200,14 +185,12 @@ config MXS_TIMER config PRIMA2_TIMER bool "Prima2 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables support for the Prima2 timer. config U300_TIMER bool "U300 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on ARM select CLKSRC_MMIO help @@ -215,14 +198,12 @@ config U300_TIMER config NSPIRE_TIMER bool "NSpire timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables support for the Nspire timer. config KEYSTONE_TIMER bool "Keystone timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on ARM || ARM64 select CLKSRC_MMIO help @@ -230,7 +211,6 @@ config KEYSTONE_TIMER config INTEGRATOR_AP_TIMER bool "Integrator-ap timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables support for the Integrator-ap timer. @@ -253,7 +233,7 @@ config CLKSRC_EFM32 config CLKSRC_LPC32XX bool "Clocksource for LPC32XX" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM depends on ARM select CLKSRC_MMIO select TIMER_OF @@ -262,7 +242,7 @@ config CLKSRC_LPC32XX config CLKSRC_PISTACHIO bool "Clocksource for Pistachio SoC" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM select TIMER_OF help Enables the clocksource for the Pistachio SoC. @@ -298,7 +278,6 @@ config CLKSRC_MPS2 config ARC_TIMERS bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select TIMER_OF help These are legacy 32-bit TIMER0 and TIMER1 counters found on all ARC cores @@ -307,7 +286,6 @@ config ARC_TIMERS config ARC_TIMERS_64BIT bool "Support for 64-bit counters in ARC HS38 cores" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on ARC_TIMERS select TIMER_OF help @@ -407,7 +385,6 @@ config ATMEL_PIT config ATMEL_ST bool "Atmel ST timer support" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select TIMER_OF select MFD_SYSCON help @@ -426,7 +403,6 @@ config CLKSRC_EXYNOS_MCT config CLKSRC_SAMSUNG_PWM bool "PWM timer driver for Samsung S3C, S5P" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM help This is a new clocksource driver for the PWM timer found in @@ -436,7 +412,6 @@ config CLKSRC_SAMSUNG_PWM config FSL_FTM_TIMER bool "Freescale FlexTimer Module driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM select CLKSRC_MMIO help @@ -450,7 +425,6 @@ config VF_PIT_TIMER config OXNAS_RPS_TIMER bool "Oxford Semiconductor OXNAS RPS Timers driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select TIMER_OF select CLKSRC_MMIO help @@ -461,7 +435,7 @@ config SYS_SUPPORTS_SH_CMT config MTK_TIMER bool "Mediatek timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM select TIMER_OF select CLKSRC_MMIO help @@ -479,7 +453,6 @@ config SYS_SUPPORTS_EM_STI config CLKSRC_JCORE_PIT bool "J-Core PIT timer driver" if COMPILE_TEST depends on OF - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM select CLKSRC_MMIO help @@ -488,7 +461,6 @@ config CLKSRC_JCORE_PIT config SH_TIMER_CMT bool "Renesas CMT timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM default SYS_SUPPORTS_SH_CMT help @@ -498,7 +470,6 @@ config SH_TIMER_CMT config SH_TIMER_MTU2 bool "Renesas MTU2 timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM default SYS_SUPPORTS_SH_MTU2 help @@ -508,14 +479,12 @@ config SH_TIMER_MTU2 config RENESAS_OSTM bool "Renesas OSTM timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS select CLKSRC_MMIO help Enables the support for the Renesas OSTM. config SH_TIMER_TMU bool "Renesas TMU timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM default SYS_SUPPORTS_SH_TMU help @@ -525,7 +494,7 @@ config SH_TIMER_TMU config EM_TIMER_STI bool "Renesas STI timer driver" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM default SYS_SUPPORTS_EM_STI help This enables build of a clocksource and clockevent driver for @@ -566,7 +535,6 @@ config CLKSRC_TANGO_XTAL config CLKSRC_PXA bool "Clocksource for PXA or SA-11x0 platform" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS depends on HAS_IOMEM select CLKSRC_MMIO help @@ -575,20 +543,20 @@ config CLKSRC_PXA config H8300_TMR8 bool "Clockevent timer for the H8300 platform" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM help This enables the 8 bits timer for the H8300 platform. config H8300_TMR16 bool "Clockevent timer for the H83069 platform" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM help This enables the 16 bits timer for the H8300 platform with the H83069 cpu. config H8300_TPU bool "Clocksource for the H8300 platform" if COMPILE_TEST - depends on GENERIC_CLOCKEVENTS && HAS_IOMEM + depends on HAS_IOMEM help This enables the clocksource for the H8300 platform with the H8S2678 cpu. @@ -600,7 +568,7 @@ config CLKSRC_IMX_GPT config CLKSRC_IMX_TPM bool "Clocksource using i.MX TPM" if COMPILE_TEST - depends on ARM && CLKDEV_LOOKUP && GENERIC_CLOCKEVENTS + depends on ARM && CLKDEV_LOOKUP select CLKSRC_MMIO help Enable this option to use IMX Timer/PWM Module (TPM) timer as diff --git a/drivers/clocksource/Makefile b/drivers/clocksource/Makefile index dbc1ad14515e..72711f1491e3 100644 --- a/drivers/clocksource/Makefile +++ b/drivers/clocksource/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TIMER_OF) += timer-of.o obj-$(CONFIG_TIMER_PROBE) += timer-probe.o obj-$(CONFIG_ATMEL_PIT) += timer-atmel-pit.o diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index fd4b7f684bd0..0ecf5beb56ec 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -299,8 +299,7 @@ static u64 notrace arm64_858921_read_cntvct_el0(void) #endif #ifdef CONFIG_ARM_ARCH_TIMER_OOL_WORKAROUND -DEFINE_PER_CPU(const struct arch_timer_erratum_workaround *, - timer_unstable_counter_workaround); +DEFINE_PER_CPU(const struct arch_timer_erratum_workaround *, timer_unstable_counter_workaround); EXPORT_SYMBOL_GPL(timer_unstable_counter_workaround); DEFINE_STATIC_KEY_FALSE(arch_timer_read_ool_enabled); @@ -1268,10 +1267,6 @@ arch_timer_mem_find_best_frame(struct arch_timer_mem *timer_mem) iounmap(cntctlbase); - if (!best_frame) - pr_err("Unable to find a suitable frame in timer @ %pa\n", - &timer_mem->cntctlbase); - return best_frame; } @@ -1372,6 +1367,8 @@ static int __init arch_timer_mem_of_init(struct device_node *np) frame = arch_timer_mem_find_best_frame(timer_mem); if (!frame) { + pr_err("Unable to find a suitable frame in timer @ %pa\n", + &timer_mem->cntctlbase); ret = -EINVAL; goto out; } @@ -1420,7 +1417,7 @@ arch_timer_mem_verify_cntfrq(struct arch_timer_mem *timer_mem) static int __init arch_timer_mem_acpi_init(int platform_timer_count) { struct arch_timer_mem *timers, *timer; - struct arch_timer_mem_frame *frame; + struct arch_timer_mem_frame *frame, *best_frame = NULL; int timer_count, i, ret = 0; timers = kcalloc(platform_timer_count, sizeof(*timers), @@ -1432,14 +1429,6 @@ static int __init arch_timer_mem_acpi_init(int platform_timer_count) if (ret || !timer_count) goto out; - for (i = 0; i < timer_count; i++) { - ret = arch_timer_mem_verify_cntfrq(&timers[i]); - if (ret) { - pr_err("Disabling MMIO timers due to CNTFRQ mismatch\n"); - goto out; - } - } - /* * While unlikely, it's theoretically possible that none of the frames * in a timer expose the combination of feature we want. @@ -1448,12 +1437,26 @@ static int __init arch_timer_mem_acpi_init(int platform_timer_count) timer = &timers[i]; frame = arch_timer_mem_find_best_frame(timer); - if (frame) - break; + if (!best_frame) + best_frame = frame; + + ret = arch_timer_mem_verify_cntfrq(timer); + if (ret) { + pr_err("Disabling MMIO timers due to CNTFRQ mismatch\n"); + goto out; + } + + if (!best_frame) /* implies !frame */ + /* + * Only complain about missing suitable frames if we + * haven't already found one in a previous iteration. + */ + pr_err("Unable to find a suitable frame in timer @ %pa\n", + &timer->cntctlbase); } - if (frame) - ret = arch_timer_mem_frame_register(frame); + if (best_frame) + ret = arch_timer_mem_frame_register(best_frame); out: kfree(timers); return ret; diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c index 39e489a96ad7..60da2537bef9 100644 --- a/drivers/clocksource/bcm2835_timer.c +++ b/drivers/clocksource/bcm2835_timer.c @@ -71,7 +71,7 @@ static irqreturn_t bcm2835_time_interrupt(int irq, void *dev_id) if (readl_relaxed(timer->control) & timer->match_mask) { writel_relaxed(timer->match_mask, timer->control); - event_handler = ACCESS_ONCE(timer->evt.event_handler); + event_handler = READ_ONCE(timer->evt.event_handler); if (event_handler) event_handler(&timer->evt); return IRQ_HANDLED; diff --git a/drivers/clocksource/h8300_timer16.c b/drivers/clocksource/h8300_timer16.c index dfbd4f8051cb..86ca91451b2e 100644 --- a/drivers/clocksource/h8300_timer16.c +++ b/drivers/clocksource/h8300_timer16.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * H8/300 16bit Timer driver * diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c index f6ffb0cef091..1d740a8c42ab 100644 --- a/drivers/clocksource/h8300_timer8.c +++ b/drivers/clocksource/h8300_timer8.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/arch/h8300/kernel/cpu/timer/timer8.c * diff --git a/drivers/clocksource/h8300_tpu.c b/drivers/clocksource/h8300_tpu.c index 45a8d17dac1e..17d4ab0f6ad1 100644 --- a/drivers/clocksource/h8300_tpu.c +++ b/drivers/clocksource/h8300_tpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * H8S TPU Driver * diff --git a/drivers/clocksource/i8253.c b/drivers/clocksource/i8253.c index 64f6490740d7..9c38895542f4 100644 --- a/drivers/clocksource/i8253.c +++ b/drivers/clocksource/i8253.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * i8253 PIT clocksource */ diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index ae3167c28b12..a04808a21d4e 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -39,16 +39,18 @@ static u64 notrace gic_read_count(void) static int gic_next_event(unsigned long delta, struct clock_event_device *evt) { - unsigned long flags; + int cpu = cpumask_first(evt->cpumask); u64 cnt; int res; cnt = gic_read_count(); cnt += (u64)delta; - local_irq_save(flags); - write_gic_vl_other(mips_cm_vp_id(cpumask_first(evt->cpumask))); - write_gic_vo_compare(cnt); - local_irq_restore(flags); + if (cpu == raw_smp_processor_id()) { + write_gic_vl_compare(cnt); + } else { + write_gic_vl_other(mips_cm_vp_id(cpu)); + write_gic_vo_compare(cnt); + } res = ((int)(gic_read_count() - cnt) >= 0) ? -ETIME : 0; return res; } diff --git a/drivers/clocksource/owl-timer.c b/drivers/clocksource/owl-timer.c index d19c53c11094..c68630565079 100644 --- a/drivers/clocksource/owl-timer.c +++ b/drivers/clocksource/owl-timer.c @@ -125,7 +125,7 @@ static int __init owl_timer_init(struct device_node *node) owl_timer_base = of_io_request_and_map(node, 0, "owl-timer"); if (IS_ERR(owl_timer_base)) { - pr_err("Can't map timer registers"); + pr_err("Can't map timer registers\n"); return PTR_ERR(owl_timer_base); } @@ -134,7 +134,7 @@ static int __init owl_timer_init(struct device_node *node) timer1_irq = of_irq_get_byname(node, "timer1"); if (timer1_irq <= 0) { - pr_err("Can't parse timer1 IRQ"); + pr_err("Can't parse timer1 IRQ\n"); return -EINVAL; } diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c index c27f4c850d83..33f370dbd0d6 100644 --- a/drivers/clocksource/rockchip_timer.c +++ b/drivers/clocksource/rockchip_timer.c @@ -274,7 +274,7 @@ static int __init rk_clksrc_init(struct device_node *np) TIMER_NAME, rk_clksrc->freq, 250, 32, clocksource_mmio_readl_down); if (ret) { - pr_err("Failed to register clocksource"); + pr_err("Failed to register clocksource\n"); goto out_clocksource; } diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index e09e8bf0bb9b..70b3cf8e23d0 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -25,6 +25,7 @@ #include <linux/irq.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> @@ -39,16 +40,16 @@ struct sh_cmt_device; * SoC but also on the particular instance. The following table lists the main * characteristics of those flavours. * - * 16B 32B 32B-F 48B 48B-2 + * 16B 32B 32B-F 48B R-Car Gen2 * ----------------------------------------------------------------------------- * Channels 2 1/4 1 6 2/8 * Control Width 16 16 16 16 32 * Counter Width 16 32 32 32/48 32/48 * Shared Start/Stop Y Y Y Y N * - * The 48-bit gen2 version has a per-channel start/stop register located in the - * channel registers block. All other versions have a shared start/stop register - * located in the global space. + * The r8a73a4 / R-Car Gen2 version has a per-channel start/stop register + * located in the channel registers block. All other versions have a shared + * start/stop register located in the global space. * * Channels are indexed from 0 to N-1 in the documentation. The channel index * infers the start/stop bit position in the control register and the channel @@ -66,14 +67,16 @@ struct sh_cmt_device; enum sh_cmt_model { SH_CMT_16BIT, SH_CMT_32BIT, - SH_CMT_32BIT_FAST, SH_CMT_48BIT, - SH_CMT_48BIT_GEN2, + SH_CMT0_RCAR_GEN2, + SH_CMT1_RCAR_GEN2, }; struct sh_cmt_info { enum sh_cmt_model model; + unsigned int channels_mask; + unsigned long width; /* 16 or 32 bit version of hardware block */ unsigned long overflow_bit; unsigned long clear_bits; @@ -200,18 +203,20 @@ static const struct sh_cmt_info sh_cmt_info[] = { .read_count = sh_cmt_read32, .write_count = sh_cmt_write32, }, - [SH_CMT_32BIT_FAST] = { - .model = SH_CMT_32BIT_FAST, + [SH_CMT_48BIT] = { + .model = SH_CMT_48BIT, + .channels_mask = 0x3f, .width = 32, .overflow_bit = SH_CMT32_CMCSR_CMF, .clear_bits = ~(SH_CMT32_CMCSR_CMF | SH_CMT32_CMCSR_OVF), - .read_control = sh_cmt_read16, - .write_control = sh_cmt_write16, + .read_control = sh_cmt_read32, + .write_control = sh_cmt_write32, .read_count = sh_cmt_read32, .write_count = sh_cmt_write32, }, - [SH_CMT_48BIT] = { - .model = SH_CMT_48BIT, + [SH_CMT0_RCAR_GEN2] = { + .model = SH_CMT0_RCAR_GEN2, + .channels_mask = 0x60, .width = 32, .overflow_bit = SH_CMT32_CMCSR_CMF, .clear_bits = ~(SH_CMT32_CMCSR_CMF | SH_CMT32_CMCSR_OVF), @@ -220,8 +225,9 @@ static const struct sh_cmt_info sh_cmt_info[] = { .read_count = sh_cmt_read32, .write_count = sh_cmt_write32, }, - [SH_CMT_48BIT_GEN2] = { - .model = SH_CMT_48BIT_GEN2, + [SH_CMT1_RCAR_GEN2] = { + .model = SH_CMT1_RCAR_GEN2, + .channels_mask = 0xff, .width = 32, .overflow_bit = SH_CMT32_CMCSR_CMF, .clear_bits = ~(SH_CMT32_CMCSR_CMF | SH_CMT32_CMCSR_OVF), @@ -859,6 +865,7 @@ static int sh_cmt_setup_channel(struct sh_cmt_channel *ch, unsigned int index, ch->cmt = cmt; ch->index = index; ch->hwidx = hwidx; + ch->timer_bit = hwidx; /* * Compute the address of the channel control register block. For the @@ -873,16 +880,11 @@ static int sh_cmt_setup_channel(struct sh_cmt_channel *ch, unsigned int index, case SH_CMT_48BIT: ch->ioctrl = cmt->mapbase + 0x10 + ch->hwidx * 0x10; break; - case SH_CMT_32BIT_FAST: - /* - * The 32-bit "fast" timer has a single channel at hwidx 5 but - * is located at offset 0x40 instead of 0x60 for some reason. - */ - ch->ioctrl = cmt->mapbase + 0x40; - break; - case SH_CMT_48BIT_GEN2: + case SH_CMT0_RCAR_GEN2: + case SH_CMT1_RCAR_GEN2: ch->iostart = cmt->mapbase + ch->hwidx * 0x100; ch->ioctrl = ch->iostart + 0x10; + ch->timer_bit = 0; break; } @@ -894,8 +896,6 @@ static int sh_cmt_setup_channel(struct sh_cmt_channel *ch, unsigned int index, ch->match_value = ch->max_match_value; raw_spin_lock_init(&ch->lock); - ch->timer_bit = cmt->info->model == SH_CMT_48BIT_GEN2 ? 0 : ch->hwidx; - ret = sh_cmt_register(ch, dev_name(&cmt->pdev->dev), clockevent, clocksource); if (ret) { @@ -935,22 +935,18 @@ static const struct platform_device_id sh_cmt_id_table[] = { MODULE_DEVICE_TABLE(platform, sh_cmt_id_table); static const struct of_device_id sh_cmt_of_table[] __maybe_unused = { - { .compatible = "renesas,cmt-32", .data = &sh_cmt_info[SH_CMT_32BIT] }, - { .compatible = "renesas,cmt-32-fast", .data = &sh_cmt_info[SH_CMT_32BIT_FAST] }, { .compatible = "renesas,cmt-48", .data = &sh_cmt_info[SH_CMT_48BIT] }, - { .compatible = "renesas,cmt-48-gen2", .data = &sh_cmt_info[SH_CMT_48BIT_GEN2] }, + { + /* deprecated, preserved for backward compatibility */ + .compatible = "renesas,cmt-48-gen2", + .data = &sh_cmt_info[SH_CMT0_RCAR_GEN2] + }, + { .compatible = "renesas,rcar-gen2-cmt0", .data = &sh_cmt_info[SH_CMT0_RCAR_GEN2] }, + { .compatible = "renesas,rcar-gen2-cmt1", .data = &sh_cmt_info[SH_CMT1_RCAR_GEN2] }, { } }; MODULE_DEVICE_TABLE(of, sh_cmt_of_table); -static int sh_cmt_parse_dt(struct sh_cmt_device *cmt) -{ - struct device_node *np = cmt->pdev->dev.of_node; - - return of_property_read_u32(np, "renesas,channels-mask", - &cmt->hw_channels); -} - static int sh_cmt_setup(struct sh_cmt_device *cmt, struct platform_device *pdev) { unsigned int mask; @@ -961,14 +957,8 @@ static int sh_cmt_setup(struct sh_cmt_device *cmt, struct platform_device *pdev) raw_spin_lock_init(&cmt->lock); if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) { - const struct of_device_id *id; - - id = of_match_node(sh_cmt_of_table, pdev->dev.of_node); - cmt->info = id->data; - - ret = sh_cmt_parse_dt(cmt); - if (ret < 0) - return ret; + cmt->info = of_device_get_match_data(&pdev->dev); + cmt->hw_channels = cmt->info->channels_mask; } else if (pdev->dev.platform_data) { struct sh_timer_config *cfg = pdev->dev.platform_data; const struct platform_device_id *id = pdev->id_entry; diff --git a/drivers/clocksource/tango_xtal.c b/drivers/clocksource/tango_xtal.c index 6a8d9838ce33..3f94e454ef99 100644 --- a/drivers/clocksource/tango_xtal.c +++ b/drivers/clocksource/tango_xtal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/clocksource.h> #include <linux/sched_clock.h> #include <linux/of_address.h> diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 59e8aee0ec16..9de47d4d2d9e 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/clocksource.h> #include <linux/clockchips.h> diff --git a/drivers/clocksource/timer-fttmr010.c b/drivers/clocksource/timer-fttmr010.c index 66dd909960c6..c020038ebfab 100644 --- a/drivers/clocksource/timer-fttmr010.c +++ b/drivers/clocksource/timer-fttmr010.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Faraday Technology FTTMR010 timer driver * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> @@ -263,14 +264,14 @@ static int __init fttmr010_common_init(struct device_node *np, bool is_aspeed) fttmr010->base = of_iomap(np, 0); if (!fttmr010->base) { - pr_err("Can't remap registers"); + pr_err("Can't remap registers\n"); ret = -ENXIO; goto out_free; } /* IRQ for timer 1 */ irq = irq_of_parse_and_map(np, 0); if (irq <= 0) { - pr_err("Can't parse IRQ"); + pr_err("Can't parse IRQ\n"); ret = -EINVAL; goto out_unmap; } diff --git a/drivers/clocksource/timer-of.c b/drivers/clocksource/timer-of.c index c79122d8e10d..7c64a5c1bfc1 100644 --- a/drivers/clocksource/timer-of.c +++ b/drivers/clocksource/timer-of.c @@ -176,3 +176,15 @@ out_fail: timer_base_exit(&to->of_base); return ret; } + +void timer_of_exit(struct timer_of *to) +{ + if (to->flags & TIMER_OF_IRQ) + timer_irq_exit(&to->of_irq); + + if (to->flags & TIMER_OF_CLOCK) + timer_clk_exit(&to->of_clk); + + if (to->flags & TIMER_OF_BASE) + timer_base_exit(&to->of_base); +} diff --git a/drivers/clocksource/timer-of.h b/drivers/clocksource/timer-of.h index e0d727255f72..43f5ba3f8979 100644 --- a/drivers/clocksource/timer-of.h +++ b/drivers/clocksource/timer-of.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __TIMER_OF_H__ #define __TIMER_OF_H__ @@ -66,4 +67,7 @@ static inline unsigned long timer_of_period(struct timer_of *to) extern int __init timer_of_init(struct device_node *np, struct timer_of *to); + +extern void timer_of_exit(struct timer_of *to); + #endif diff --git a/drivers/clocksource/timer-sp.h b/drivers/clocksource/timer-sp.h index 050d88561e9c..b2037eb94a41 100644 --- a/drivers/clocksource/timer-sp.h +++ b/drivers/clocksource/timer-sp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ARM timer implementation, found in Integrator, Versatile and Realview * platforms. Not all platforms support all registers and bits in these diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index c7af9b2a255e..812f9e0d01a3 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # CPUfreq core obj-$(CONFIG_CPU_FREQ) += cpufreq.o freq_table.o diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c index 17504129fd77..65ec5f01aa8d 100644 --- a/drivers/cpufreq/arm_big_little.c +++ b/drivers/cpufreq/arm_big_little.c @@ -57,7 +57,7 @@ static bool bL_switching_enabled; #define VIRT_FREQ(cluster, freq) ((cluster == A7_CLUSTER) ? freq >> 1 : freq) static struct thermal_cooling_device *cdev[MAX_CLUSTERS]; -static struct cpufreq_arm_bL_ops *arm_bL_ops; +static const struct cpufreq_arm_bL_ops *arm_bL_ops; static struct clk *clk[MAX_CLUSTERS]; static struct cpufreq_frequency_table *freq_table[MAX_CLUSTERS + 1]; static atomic_t cluster_usage[MAX_CLUSTERS + 1]; @@ -213,6 +213,7 @@ static int bL_cpufreq_set_target(struct cpufreq_policy *policy, { u32 cpu = policy->cpu, cur_cluster, new_cluster, actual_cluster; unsigned int freqs_new; + int ret; cur_cluster = cpu_to_cluster(cpu); new_cluster = actual_cluster = per_cpu(physical_cluster, cpu); @@ -229,7 +230,14 @@ static int bL_cpufreq_set_target(struct cpufreq_policy *policy, } } - return bL_cpufreq_set_rate(cpu, actual_cluster, new_cluster, freqs_new); + ret = bL_cpufreq_set_rate(cpu, actual_cluster, new_cluster, freqs_new); + + if (!ret) { + arch_set_freq_scale(policy->related_cpus, freqs_new, + policy->cpuinfo.max_freq); + } + + return ret; } static inline u32 get_table_count(struct cpufreq_frequency_table *table) @@ -609,7 +617,7 @@ static int __bLs_register_notifier(void) { return 0; } static int __bLs_unregister_notifier(void) { return 0; } #endif -int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops) +int bL_cpufreq_register(const struct cpufreq_arm_bL_ops *ops) { int ret, i; @@ -653,7 +661,7 @@ int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops) } EXPORT_SYMBOL_GPL(bL_cpufreq_register); -void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops) +void bL_cpufreq_unregister(const struct cpufreq_arm_bL_ops *ops) { if (arm_bL_ops != ops) { pr_err("%s: Registered with: %s, can't unregister, exiting\n", diff --git a/drivers/cpufreq/arm_big_little.h b/drivers/cpufreq/arm_big_little.h index 184d7c3a112a..88a176e466c8 100644 --- a/drivers/cpufreq/arm_big_little.h +++ b/drivers/cpufreq/arm_big_little.h @@ -37,7 +37,7 @@ struct cpufreq_arm_bL_ops { void (*free_opp_table)(const struct cpumask *cpumask); }; -int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops); -void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops); +int bL_cpufreq_register(const struct cpufreq_arm_bL_ops *ops); +void bL_cpufreq_unregister(const struct cpufreq_arm_bL_ops *ops); #endif /* CPUFREQ_ARM_BIG_LITTLE_H */ diff --git a/drivers/cpufreq/arm_big_little_dt.c b/drivers/cpufreq/arm_big_little_dt.c index 39b3f51d9a30..b944f290c8a4 100644 --- a/drivers/cpufreq/arm_big_little_dt.c +++ b/drivers/cpufreq/arm_big_little_dt.c @@ -61,7 +61,7 @@ static int dt_get_transition_latency(struct device *cpu_dev) return transition_latency; } -static struct cpufreq_arm_bL_ops dt_bL_ops = { +static const struct cpufreq_arm_bL_ops dt_bL_ops = { .name = "dt-bl", .get_transition_latency = dt_get_transition_latency, .init_opp_table = dev_pm_opp_of_cpumask_add_table, diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index a753c50e9e41..ecc56e26f8f6 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -48,7 +48,6 @@ static const struct of_device_id whitelist[] __initconst = { { .compatible = "samsung,exynos3250", }, { .compatible = "samsung,exynos4210", }, - { .compatible = "samsung,exynos4212", }, { .compatible = "samsung,exynos5250", }, #ifndef CONFIG_BL_SWITCHER { .compatible = "samsung,exynos5800", }, @@ -83,8 +82,6 @@ static const struct of_device_id whitelist[] __initconst = { { .compatible = "rockchip,rk3368", }, { .compatible = "rockchip,rk3399", }, - { .compatible = "socionext,uniphier-ld6b", }, - { .compatible = "st-ericsson,u8500", }, { .compatible = "st-ericsson,u8540", }, { .compatible = "st-ericsson,u9500", }, diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c index d83ab94d041a..545946ad0752 100644 --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -43,9 +43,17 @@ static struct freq_attr *cpufreq_dt_attr[] = { static int set_target(struct cpufreq_policy *policy, unsigned int index) { struct private_data *priv = policy->driver_data; + unsigned long freq = policy->freq_table[index].frequency; + int ret; + + ret = dev_pm_opp_set_rate(priv->cpu_dev, freq * 1000); - return dev_pm_opp_set_rate(priv->cpu_dev, - policy->freq_table[index].frequency * 1000); + if (!ret) { + arch_set_freq_scale(policy->related_cpus, freq, + policy->cpuinfo.max_freq); + } + + return ret; } /* diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index ea43b147a7fe..41d148af7748 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -161,6 +161,12 @@ u64 get_cpu_idle_time(unsigned int cpu, u64 *wall, int io_busy) } EXPORT_SYMBOL_GPL(get_cpu_idle_time); +__weak void arch_set_freq_scale(struct cpumask *cpus, unsigned long cur_freq, + unsigned long max_freq) +{ +} +EXPORT_SYMBOL_GPL(arch_set_freq_scale); + /* * This is a generic cpufreq init() routine which can be used by cpufreq * drivers of SMP systems. It will do following: diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c index e75880eb037d..1e55b5790853 100644 --- a/drivers/cpufreq/cpufreq_stats.c +++ b/drivers/cpufreq/cpufreq_stats.c @@ -118,8 +118,11 @@ static ssize_t show_trans_table(struct cpufreq_policy *policy, char *buf) break; len += snprintf(buf + len, PAGE_SIZE - len, "\n"); } - if (len >= PAGE_SIZE) - return PAGE_SIZE; + + if (len >= PAGE_SIZE) { + pr_warn_once("cpufreq transition table exceeds PAGE_SIZE. Disabling\n"); + return -EFBIG; + } return len; } cpufreq_freq_attr_ro(trans_table); diff --git a/drivers/cpufreq/cris-artpec3-cpufreq.c b/drivers/cpufreq/cris-artpec3-cpufreq.c index 601b88c490cf..455b4fb78cba 100644 --- a/drivers/cpufreq/cris-artpec3-cpufreq.c +++ b/drivers/cpufreq/cris-artpec3-cpufreq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/module.h> #include <linux/cpufreq.h> diff --git a/drivers/cpufreq/cris-etraxfs-cpufreq.c b/drivers/cpufreq/cris-etraxfs-cpufreq.c index 22b2cdde74d9..4c4b5dd685e3 100644 --- a/drivers/cpufreq/cris-etraxfs-cpufreq.c +++ b/drivers/cpufreq/cris-etraxfs-cpufreq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/module.h> #include <linux/cpufreq.h> diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c index 14466a9b01c0..628fe899cb48 100644 --- a/drivers/cpufreq/imx6q-cpufreq.c +++ b/drivers/cpufreq/imx6q-cpufreq.c @@ -12,6 +12,7 @@ #include <linux/err.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/pm_opp.h> #include <linux/platform_device.h> #include <linux/regulator/consumer.h> @@ -191,6 +192,57 @@ static struct cpufreq_driver imx6q_cpufreq_driver = { .suspend = cpufreq_generic_suspend, }; +#define OCOTP_CFG3 0x440 +#define OCOTP_CFG3_SPEED_SHIFT 16 +#define OCOTP_CFG3_SPEED_1P2GHZ 0x3 +#define OCOTP_CFG3_SPEED_996MHZ 0x2 +#define OCOTP_CFG3_SPEED_852MHZ 0x1 + +static void imx6q_opp_check_speed_grading(struct device *dev) +{ + struct device_node *np; + void __iomem *base; + u32 val; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ocotp"); + if (!np) + return; + + base = of_iomap(np, 0); + if (!base) { + dev_err(dev, "failed to map ocotp\n"); + goto put_node; + } + + /* + * SPEED_GRADING[1:0] defines the max speed of ARM: + * 2b'11: 1200000000Hz; + * 2b'10: 996000000Hz; + * 2b'01: 852000000Hz; -- i.MX6Q Only, exclusive with 996MHz. + * 2b'00: 792000000Hz; + * We need to set the max speed of ARM according to fuse map. + */ + val = readl_relaxed(base + OCOTP_CFG3); + val >>= OCOTP_CFG3_SPEED_SHIFT; + val &= 0x3; + + if ((val != OCOTP_CFG3_SPEED_1P2GHZ) && + of_machine_is_compatible("fsl,imx6q")) + if (dev_pm_opp_disable(dev, 1200000000)) + dev_warn(dev, "failed to disable 1.2GHz OPP\n"); + if (val < OCOTP_CFG3_SPEED_996MHZ) + if (dev_pm_opp_disable(dev, 996000000)) + dev_warn(dev, "failed to disable 996MHz OPP\n"); + if (of_machine_is_compatible("fsl,imx6q")) { + if (val != OCOTP_CFG3_SPEED_852MHZ) + if (dev_pm_opp_disable(dev, 852000000)) + dev_warn(dev, "failed to disable 852MHz OPP\n"); + } + iounmap(base); +put_node: + of_node_put(np); +} + static int imx6q_cpufreq_probe(struct platform_device *pdev) { struct device_node *np; @@ -252,28 +304,21 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev) goto put_reg; } - /* - * We expect an OPP table supplied by platform. - * Just, incase the platform did not supply the OPP - * table, it will try to get it. - */ - num = dev_pm_opp_get_opp_count(cpu_dev); - if (num < 0) { - ret = dev_pm_opp_of_add_table(cpu_dev); - if (ret < 0) { - dev_err(cpu_dev, "failed to init OPP table: %d\n", ret); - goto put_reg; - } + ret = dev_pm_opp_of_add_table(cpu_dev); + if (ret < 0) { + dev_err(cpu_dev, "failed to init OPP table: %d\n", ret); + goto put_reg; + } - /* Because we have added the OPPs here, we must free them */ - free_opp = true; + imx6q_opp_check_speed_grading(cpu_dev); - num = dev_pm_opp_get_opp_count(cpu_dev); - if (num < 0) { - ret = num; - dev_err(cpu_dev, "no OPP table is found: %d\n", ret); - goto out_free_opp; - } + /* Because we have added the OPPs here, we must free them */ + free_opp = true; + num = dev_pm_opp_get_opp_count(cpu_dev); + if (num < 0) { + ret = num; + dev_err(cpu_dev, "no OPP table is found: %d\n", ret); + goto out_free_opp; } ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table); diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index 062d71434e47..b01e31db5f83 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1043,7 +1043,7 @@ static int powernowk8_cpu_init(struct cpufreq_policy *pol) data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) { - pr_err("unable to alloc powernow_k8_data"); + pr_err("unable to alloc powernow_k8_data\n"); return -ENOMEM; } diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c index 3ff5160451b4..b6d7c4c98d0a 100644 --- a/drivers/cpufreq/powernv-cpufreq.c +++ b/drivers/cpufreq/powernv-cpufreq.c @@ -90,6 +90,7 @@ struct global_pstate_info { int last_gpstate_idx; spinlock_t gpstate_lock; struct timer_list timer; + struct cpufreq_policy *policy; }; static struct cpufreq_frequency_table powernv_freqs[POWERNV_MAX_PSTATES+1]; @@ -625,10 +626,10 @@ static inline void queue_gpstate_timer(struct global_pstate_info *gpstates) * according quadratic equation. Queues a new timer if it is still not equal * to local pstate */ -void gpstate_timer_handler(unsigned long data) +void gpstate_timer_handler(struct timer_list *t) { - struct cpufreq_policy *policy = (struct cpufreq_policy *)data; - struct global_pstate_info *gpstates = policy->driver_data; + struct global_pstate_info *gpstates = from_timer(gpstates, t, timer); + struct cpufreq_policy *policy = gpstates->policy; int gpstate_idx, lpstate_idx; unsigned long val; unsigned int time_diff = jiffies_to_msecs(jiffies) @@ -800,9 +801,9 @@ static int powernv_cpufreq_cpu_init(struct cpufreq_policy *policy) policy->driver_data = gpstates; /* initialize timer */ - init_timer_pinned_deferrable(&gpstates->timer); - gpstates->timer.data = (unsigned long)policy; - gpstates->timer.function = gpstate_timer_handler; + gpstates->policy = policy; + timer_setup(&gpstates->timer, gpstate_timer_handler, + TIMER_PINNED | TIMER_DEFERRABLE); gpstates->timer.expires = jiffies + msecs_to_jiffies(GPSTATE_TIMER_INTERVAL); spin_lock_init(&gpstates->gpstate_lock); diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.h b/drivers/cpufreq/ppc_cbe_cpufreq.h index 3eace725ccd6..9d973519d669 100644 --- a/drivers/cpufreq/ppc_cbe_cpufreq.h +++ b/drivers/cpufreq/ppc_cbe_cpufreq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ppc_cbe_cpufreq.h * diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c index ce345bf34d5d..06b024a3e474 100644 --- a/drivers/cpufreq/pxa2xx-cpufreq.c +++ b/drivers/cpufreq/pxa2xx-cpufreq.c @@ -58,56 +58,40 @@ module_param(pxa27x_maxfreq, uint, 0); MODULE_PARM_DESC(pxa27x_maxfreq, "Set the pxa27x maxfreq in MHz" "(typically 624=>pxa270, 416=>pxa271, 520=>pxa272)"); +struct pxa_cpufreq_data { + struct clk *clk_core; +}; +static struct pxa_cpufreq_data pxa_cpufreq_data; + struct pxa_freqs { unsigned int khz; - unsigned int membus; - unsigned int cccr; - unsigned int div2; - unsigned int cclkcfg; int vmin; int vmax; }; -/* Define the refresh period in mSec for the SDRAM and the number of rows */ -#define SDRAM_TREF 64 /* standard 64ms SDRAM */ -static unsigned int sdram_rows; - -#define CCLKCFG_TURBO 0x1 -#define CCLKCFG_FCS 0x2 -#define CCLKCFG_HALFTURBO 0x4 -#define CCLKCFG_FASTBUS 0x8 -#define MDREFR_DB2_MASK (MDREFR_K2DB2 | MDREFR_K1DB2) -#define MDREFR_DRI_MASK 0xFFF - -#define MDCNFG_DRAC2(mdcnfg) (((mdcnfg) >> 21) & 0x3) -#define MDCNFG_DRAC0(mdcnfg) (((mdcnfg) >> 5) & 0x3) - /* * PXA255 definitions */ -/* Use the run mode frequencies for the CPUFREQ_POLICY_PERFORMANCE policy */ -#define CCLKCFG CCLKCFG_TURBO | CCLKCFG_FCS - static const struct pxa_freqs pxa255_run_freqs[] = { - /* CPU MEMBUS CCCR DIV2 CCLKCFG run turbo PXbus SDRAM */ - { 99500, 99500, 0x121, 1, CCLKCFG, -1, -1}, /* 99, 99, 50, 50 */ - {132700, 132700, 0x123, 1, CCLKCFG, -1, -1}, /* 133, 133, 66, 66 */ - {199100, 99500, 0x141, 0, CCLKCFG, -1, -1}, /* 199, 199, 99, 99 */ - {265400, 132700, 0x143, 1, CCLKCFG, -1, -1}, /* 265, 265, 133, 66 */ - {331800, 165900, 0x145, 1, CCLKCFG, -1, -1}, /* 331, 331, 166, 83 */ - {398100, 99500, 0x161, 0, CCLKCFG, -1, -1}, /* 398, 398, 196, 99 */ + /* CPU MEMBUS run turbo PXbus SDRAM */ + { 99500, -1, -1}, /* 99, 99, 50, 50 */ + {132700, -1, -1}, /* 133, 133, 66, 66 */ + {199100, -1, -1}, /* 199, 199, 99, 99 */ + {265400, -1, -1}, /* 265, 265, 133, 66 */ + {331800, -1, -1}, /* 331, 331, 166, 83 */ + {398100, -1, -1}, /* 398, 398, 196, 99 */ }; /* Use the turbo mode frequencies for the CPUFREQ_POLICY_POWERSAVE policy */ static const struct pxa_freqs pxa255_turbo_freqs[] = { - /* CPU MEMBUS CCCR DIV2 CCLKCFG run turbo PXbus SDRAM */ - { 99500, 99500, 0x121, 1, CCLKCFG, -1, -1}, /* 99, 99, 50, 50 */ - {199100, 99500, 0x221, 0, CCLKCFG, -1, -1}, /* 99, 199, 50, 99 */ - {298500, 99500, 0x321, 0, CCLKCFG, -1, -1}, /* 99, 287, 50, 99 */ - {298600, 99500, 0x1c1, 0, CCLKCFG, -1, -1}, /* 199, 287, 99, 99 */ - {398100, 99500, 0x241, 0, CCLKCFG, -1, -1}, /* 199, 398, 99, 99 */ + /* CPU run turbo PXbus SDRAM */ + { 99500, -1, -1}, /* 99, 99, 50, 50 */ + {199100, -1, -1}, /* 99, 199, 50, 99 */ + {298500, -1, -1}, /* 99, 287, 50, 99 */ + {298600, -1, -1}, /* 199, 287, 99, 99 */ + {398100, -1, -1}, /* 199, 398, 99, 99 */ }; #define NUM_PXA25x_RUN_FREQS ARRAY_SIZE(pxa255_run_freqs) @@ -122,47 +106,14 @@ static unsigned int pxa255_turbo_table; module_param(pxa255_turbo_table, uint, 0); MODULE_PARM_DESC(pxa255_turbo_table, "Selects the frequency table (0 = run table, !0 = turbo table)"); -/* - * PXA270 definitions - * - * For the PXA27x: - * Control variables are A, L, 2N for CCCR; B, HT, T for CLKCFG. - * - * A = 0 => memory controller clock from table 3-7, - * A = 1 => memory controller clock = system bus clock - * Run mode frequency = 13 MHz * L - * Turbo mode frequency = 13 MHz * L * N - * System bus frequency = 13 MHz * L / (B + 1) - * - * In CCCR: - * A = 1 - * L = 16 oscillator to run mode ratio - * 2N = 6 2 * (turbo mode to run mode ratio) - * - * In CCLKCFG: - * B = 1 Fast bus mode - * HT = 0 Half-Turbo mode - * T = 1 Turbo mode - * - * For now, just support some of the combinations in table 3-7 of - * PXA27x Processor Family Developer's Manual to simplify frequency - * change sequences. - */ -#define PXA27x_CCCR(A, L, N2) (A << 25 | N2 << 7 | L) -#define CCLKCFG2(B, HT, T) \ - (CCLKCFG_FCS | \ - ((B) ? CCLKCFG_FASTBUS : 0) | \ - ((HT) ? CCLKCFG_HALFTURBO : 0) | \ - ((T) ? CCLKCFG_TURBO : 0)) - static struct pxa_freqs pxa27x_freqs[] = { - {104000, 104000, PXA27x_CCCR(1, 8, 2), 0, CCLKCFG2(1, 0, 1), 900000, 1705000 }, - {156000, 104000, PXA27x_CCCR(1, 8, 3), 0, CCLKCFG2(1, 0, 1), 1000000, 1705000 }, - {208000, 208000, PXA27x_CCCR(0, 16, 2), 1, CCLKCFG2(0, 0, 1), 1180000, 1705000 }, - {312000, 208000, PXA27x_CCCR(1, 16, 3), 1, CCLKCFG2(1, 0, 1), 1250000, 1705000 }, - {416000, 208000, PXA27x_CCCR(1, 16, 4), 1, CCLKCFG2(1, 0, 1), 1350000, 1705000 }, - {520000, 208000, PXA27x_CCCR(1, 16, 5), 1, CCLKCFG2(1, 0, 1), 1450000, 1705000 }, - {624000, 208000, PXA27x_CCCR(1, 16, 6), 1, CCLKCFG2(1, 0, 1), 1550000, 1705000 } + {104000, 900000, 1705000 }, + {156000, 1000000, 1705000 }, + {208000, 1180000, 1705000 }, + {312000, 1250000, 1705000 }, + {416000, 1350000, 1705000 }, + {520000, 1450000, 1705000 }, + {624000, 1550000, 1705000 } }; #define NUM_PXA27x_FREQS ARRAY_SIZE(pxa27x_freqs) @@ -241,51 +192,29 @@ static void pxa27x_guess_max_freq(void) } } -static void init_sdram_rows(void) -{ - uint32_t mdcnfg = __raw_readl(MDCNFG); - unsigned int drac2 = 0, drac0 = 0; - - if (mdcnfg & (MDCNFG_DE2 | MDCNFG_DE3)) - drac2 = MDCNFG_DRAC2(mdcnfg); - - if (mdcnfg & (MDCNFG_DE0 | MDCNFG_DE1)) - drac0 = MDCNFG_DRAC0(mdcnfg); - - sdram_rows = 1 << (11 + max(drac0, drac2)); -} - -static u32 mdrefr_dri(unsigned int freq) -{ - u32 interval = freq * SDRAM_TREF / sdram_rows; - - return (interval - (cpu_is_pxa27x() ? 31 : 0)) / 32; -} - static unsigned int pxa_cpufreq_get(unsigned int cpu) { - return get_clk_frequency_khz(0); + struct pxa_cpufreq_data *data = cpufreq_get_driver_data(); + + return (unsigned int) clk_get_rate(data->clk_core) / 1000; } static int pxa_set_target(struct cpufreq_policy *policy, unsigned int idx) { struct cpufreq_frequency_table *pxa_freqs_table; const struct pxa_freqs *pxa_freq_settings; - unsigned long flags; - unsigned int new_freq_cpu, new_freq_mem; - unsigned int unused, preset_mdrefr, postset_mdrefr, cclkcfg; + struct pxa_cpufreq_data *data = cpufreq_get_driver_data(); + unsigned int new_freq_cpu; int ret = 0; /* Get the current policy */ find_freq_tables(&pxa_freqs_table, &pxa_freq_settings); new_freq_cpu = pxa_freq_settings[idx].khz; - new_freq_mem = pxa_freq_settings[idx].membus; if (freq_debug) - pr_debug("Changing CPU frequency to %d Mhz, (SDRAM %d Mhz)\n", - new_freq_cpu / 1000, (pxa_freq_settings[idx].div2) ? - (new_freq_mem / 2000) : (new_freq_mem / 1000)); + pr_debug("Changing CPU frequency from %d Mhz to %d Mhz\n", + policy->cur / 1000, new_freq_cpu / 1000); if (vcc_core && new_freq_cpu > policy->cur) { ret = pxa_cpufreq_change_voltage(&pxa_freq_settings[idx]); @@ -293,53 +222,7 @@ static int pxa_set_target(struct cpufreq_policy *policy, unsigned int idx) return ret; } - /* Calculate the next MDREFR. If we're slowing down the SDRAM clock - * we need to preset the smaller DRI before the change. If we're - * speeding up we need to set the larger DRI value after the change. - */ - preset_mdrefr = postset_mdrefr = __raw_readl(MDREFR); - if ((preset_mdrefr & MDREFR_DRI_MASK) > mdrefr_dri(new_freq_mem)) { - preset_mdrefr = (preset_mdrefr & ~MDREFR_DRI_MASK); - preset_mdrefr |= mdrefr_dri(new_freq_mem); - } - postset_mdrefr = - (postset_mdrefr & ~MDREFR_DRI_MASK) | mdrefr_dri(new_freq_mem); - - /* If we're dividing the memory clock by two for the SDRAM clock, this - * must be set prior to the change. Clearing the divide must be done - * after the change. - */ - if (pxa_freq_settings[idx].div2) { - preset_mdrefr |= MDREFR_DB2_MASK; - postset_mdrefr |= MDREFR_DB2_MASK; - } else { - postset_mdrefr &= ~MDREFR_DB2_MASK; - } - - local_irq_save(flags); - - /* Set new the CCCR and prepare CCLKCFG */ - writel(pxa_freq_settings[idx].cccr, CCCR); - cclkcfg = pxa_freq_settings[idx].cclkcfg; - - asm volatile(" \n\ - ldr r4, [%1] /* load MDREFR */ \n\ - b 2f \n\ - .align 5 \n\ -1: \n\ - str %3, [%1] /* preset the MDREFR */ \n\ - mcr p14, 0, %2, c6, c0, 0 /* set CCLKCFG[FCS] */ \n\ - str %4, [%1] /* postset the MDREFR */ \n\ - \n\ - b 3f \n\ -2: b 1b \n\ -3: nop \n\ - " - : "=&r" (unused) - : "r" (MDREFR), "r" (cclkcfg), - "r" (preset_mdrefr), "r" (postset_mdrefr) - : "r4", "r5"); - local_irq_restore(flags); + clk_set_rate(data->clk_core, new_freq_cpu * 1000); /* * Even if voltage setting fails, we don't report it, as the frequency @@ -369,8 +252,6 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy) pxa_cpufreq_init_voltages(); - init_sdram_rows(); - /* set default policy and cpuinfo */ policy->cpuinfo.transition_latency = 1000; /* FIXME: 1 ms, assumed */ @@ -429,11 +310,17 @@ static struct cpufreq_driver pxa_cpufreq_driver = { .init = pxa_cpufreq_init, .get = pxa_cpufreq_get, .name = "PXA2xx", + .driver_data = &pxa_cpufreq_data, }; static int __init pxa_cpu_init(void) { int ret = -ENODEV; + + pxa_cpufreq_data.clk_core = clk_get_sys(NULL, "core"); + if (IS_ERR(pxa_cpufreq_data.clk_core)) + return PTR_ERR(pxa_cpufreq_data.clk_core); + if (cpu_is_pxa25x() || cpu_is_pxa27x()) ret = cpufreq_register_driver(&pxa_cpufreq_driver); return ret; diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c index 8de2364b5995..05d299052c5c 100644 --- a/drivers/cpufreq/scpi-cpufreq.c +++ b/drivers/cpufreq/scpi-cpufreq.c @@ -53,7 +53,7 @@ static int scpi_init_opp_table(const struct cpumask *cpumask) return ret; } -static struct cpufreq_arm_bL_ops scpi_cpufreq_ops = { +static const struct cpufreq_arm_bL_ops scpi_cpufreq_ops = { .name = "scpi", .get_transition_latency = scpi_get_transition_latency, .init_opp_table = scpi_init_opp_table, diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index 4894924a3ca2..195f27f9c1cb 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -177,7 +177,7 @@ static int spear_cpufreq_probe(struct platform_device *pdev) np = of_cpu_device_node_get(0); if (!np) { - pr_err("No cpu node found"); + pr_err("No cpu node found\n"); return -ENODEV; } @@ -187,7 +187,7 @@ static int spear_cpufreq_probe(struct platform_device *pdev) prop = of_find_property(np, "cpufreq_tbl", NULL); if (!prop || !prop->value) { - pr_err("Invalid cpufreq_tbl"); + pr_err("Invalid cpufreq_tbl\n"); ret = -ENODEV; goto out_put_node; } diff --git a/drivers/cpufreq/speedstep-lib.c b/drivers/cpufreq/speedstep-lib.c index ccab452a4ef5..8085ec9000d1 100644 --- a/drivers/cpufreq/speedstep-lib.c +++ b/drivers/cpufreq/speedstep-lib.c @@ -367,7 +367,7 @@ unsigned int speedstep_detect_processor(void) } else return SPEEDSTEP_CPU_PIII_C; } - + /* fall through */ default: return 0; } diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index 4bf47de6101f..923317f03b4b 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -205,6 +205,7 @@ static int ti_cpufreq_init(void) np = of_find_node_by_path("/"); match = of_match_node(ti_cpufreq_of_match, np); + of_node_put(np); if (!match) return -ENODEV; @@ -217,7 +218,8 @@ static int ti_cpufreq_init(void) opp_data->cpu_dev = get_cpu_device(0); if (!opp_data->cpu_dev) { pr_err("%s: Failed to get device for CPU0\n", __func__); - return -ENODEV; + ret = ENODEV; + goto free_opp_data; } opp_data->opp_node = dev_pm_opp_of_get_opp_desc_node(opp_data->cpu_dev); @@ -262,6 +264,8 @@ register_cpufreq_dt: fail_put_node: of_node_put(opp_data->opp_node); +free_opp_data: + kfree(opp_data); return ret; } diff --git a/drivers/cpufreq/vexpress-spc-cpufreq.c b/drivers/cpufreq/vexpress-spc-cpufreq.c index 87e5bdc5ec74..53237289e606 100644 --- a/drivers/cpufreq/vexpress-spc-cpufreq.c +++ b/drivers/cpufreq/vexpress-spc-cpufreq.c @@ -42,7 +42,7 @@ static int ve_spc_get_transition_latency(struct device *cpu_dev) return 1000000; /* 1 ms */ } -static struct cpufreq_arm_bL_ops ve_spc_cpufreq_ops = { +static const struct cpufreq_arm_bL_ops ve_spc_cpufreq_ops = { .name = "vexpress-spc", .get_transition_latency = ve_spc_get_transition_latency, .init_opp_table = ve_spc_init_opp_table, diff --git a/drivers/cpuidle/Makefile b/drivers/cpuidle/Makefile index 0b67a05a7aae..9d7176cee3d3 100644 --- a/drivers/cpuidle/Makefile +++ b/drivers/cpuidle/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for cpuidle. # diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c index 52a75053ee03..ddee1b601b89 100644 --- a/drivers/cpuidle/cpuidle-arm.c +++ b/drivers/cpuidle/cpuidle-arm.c @@ -72,12 +72,94 @@ static const struct of_device_id arm_idle_state_match[] __initconst = { }; /* - * arm_idle_init + * arm_idle_init_cpu * * Registers the arm specific cpuidle driver with the cpuidle * framework. It relies on core code to parse the idle states * and initialize them using driver data structures accordingly. */ +static int __init arm_idle_init_cpu(int cpu) +{ + int ret; + struct cpuidle_driver *drv; + struct cpuidle_device *dev; + + drv = kmemdup(&arm_idle_driver, sizeof(*drv), GFP_KERNEL); + if (!drv) + return -ENOMEM; + + drv->cpumask = (struct cpumask *)cpumask_of(cpu); + + /* + * Initialize idle states data, starting at index 1. This + * driver is DT only, if no DT idle states are detected (ret + * == 0) let the driver initialization fail accordingly since + * there is no reason to initialize the idle driver if only + * wfi is supported. + */ + ret = dt_init_idle_driver(drv, arm_idle_state_match, 1); + if (ret <= 0) { + ret = ret ? : -ENODEV; + goto out_kfree_drv; + } + + ret = cpuidle_register_driver(drv); + if (ret) { + pr_err("Failed to register cpuidle driver\n"); + goto out_kfree_drv; + } + + /* + * Call arch CPU operations in order to initialize + * idle states suspend back-end specific data + */ + ret = arm_cpuidle_init(cpu); + + /* + * Skip the cpuidle device initialization if the reported + * failure is a HW misconfiguration/breakage (-ENXIO). + */ + if (ret == -ENXIO) + return 0; + + if (ret) { + pr_err("CPU %d failed to init idle CPU ops\n", cpu); + goto out_unregister_drv; + } + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) { + pr_err("Failed to allocate cpuidle device\n"); + ret = -ENOMEM; + goto out_unregister_drv; + } + dev->cpu = cpu; + + ret = cpuidle_register_device(dev); + if (ret) { + pr_err("Failed to register cpuidle device for CPU %d\n", + cpu); + goto out_kfree_dev; + } + + return 0; + +out_kfree_dev: + kfree(dev); +out_unregister_drv: + cpuidle_unregister_driver(drv); +out_kfree_drv: + kfree(drv); + return ret; +} + +/* + * arm_idle_init - Initializes arm cpuidle driver + * + * Initializes arm cpuidle driver for all CPUs, if any CPU fails + * to register cpuidle driver then rollback to cancel all CPUs + * registeration. + */ static int __init arm_idle_init(void) { int cpu, ret; @@ -85,79 +167,20 @@ static int __init arm_idle_init(void) struct cpuidle_device *dev; for_each_possible_cpu(cpu) { - - drv = kmemdup(&arm_idle_driver, sizeof(*drv), GFP_KERNEL); - if (!drv) { - ret = -ENOMEM; - goto out_fail; - } - - drv->cpumask = (struct cpumask *)cpumask_of(cpu); - - /* - * Initialize idle states data, starting at index 1. This - * driver is DT only, if no DT idle states are detected (ret - * == 0) let the driver initialization fail accordingly since - * there is no reason to initialize the idle driver if only - * wfi is supported. - */ - ret = dt_init_idle_driver(drv, arm_idle_state_match, 1); - if (ret <= 0) { - ret = ret ? : -ENODEV; - goto init_fail; - } - - ret = cpuidle_register_driver(drv); - if (ret) { - pr_err("Failed to register cpuidle driver\n"); - goto init_fail; - } - - /* - * Call arch CPU operations in order to initialize - * idle states suspend back-end specific data - */ - ret = arm_cpuidle_init(cpu); - - /* - * Skip the cpuidle device initialization if the reported - * failure is a HW misconfiguration/breakage (-ENXIO). - */ - if (ret == -ENXIO) - continue; - - if (ret) { - pr_err("CPU %d failed to init idle CPU ops\n", cpu); - goto out_fail; - } - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) { - pr_err("Failed to allocate cpuidle device\n"); - ret = -ENOMEM; + ret = arm_idle_init_cpu(cpu); + if (ret) goto out_fail; - } - dev->cpu = cpu; - - ret = cpuidle_register_device(dev); - if (ret) { - pr_err("Failed to register cpuidle device for CPU %d\n", - cpu); - kfree(dev); - goto out_fail; - } } return 0; -init_fail: - kfree(drv); + out_fail: while (--cpu >= 0) { dev = per_cpu(cpuidle_devices, cpu); + drv = cpuidle_get_cpu_driver(dev); cpuidle_unregister_device(dev); - kfree(dev); - drv = cpuidle_get_driver(); cpuidle_unregister_driver(drv); + kfree(dev); kfree(drv); } diff --git a/drivers/cpuidle/cpuidle-cps.c b/drivers/cpuidle/cpuidle-cps.c index 72b5e47286b4..dac8ff6391fa 100644 --- a/drivers/cpuidle/cpuidle-cps.c +++ b/drivers/cpuidle/cpuidle-cps.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2014 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 42896a67aeae..ed6531f075c6 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * cpuidle-powernv - idle state cpuidle driver. * Adapted from drivers/cpuidle/cpuidle-pseries diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c index e9b3853d93ea..a187a39fb866 100644 --- a/drivers/cpuidle/cpuidle-pseries.c +++ b/drivers/cpuidle/cpuidle-pseries.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * cpuidle-pseries - idle state cpuidle driver. * Adapted from drivers/idle/intel_idle.c and diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 484cc8909d5c..68a16827f45f 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -208,6 +208,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, return -EBUSY; } target_state = &drv->states[index]; + broadcast = false; } /* Take note of the planned idle state. */ @@ -387,9 +388,12 @@ int cpuidle_enable_device(struct cpuidle_device *dev) if (dev->enabled) return 0; + if (!cpuidle_curr_governor) + return -EIO; + drv = cpuidle_get_cpu_driver(dev); - if (!drv || !cpuidle_curr_governor) + if (!drv) return -EIO; if (!dev->registered) @@ -399,9 +403,11 @@ int cpuidle_enable_device(struct cpuidle_device *dev) if (ret) return ret; - if (cpuidle_curr_governor->enable && - (ret = cpuidle_curr_governor->enable(drv, dev))) - goto fail_sysfs; + if (cpuidle_curr_governor->enable) { + ret = cpuidle_curr_governor->enable(drv, dev); + if (ret) + goto fail_sysfs; + } smp_wmb(); diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h index f87f399b0540..2965ab32a583 100644 --- a/drivers/cpuidle/cpuidle.h +++ b/drivers/cpuidle/cpuidle.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * cpuidle.h - The internal header file */ diff --git a/drivers/cpuidle/dt_idle_states.h b/drivers/cpuidle/dt_idle_states.h index 4818134bc65b..14ae88cef1de 100644 --- a/drivers/cpuidle/dt_idle_states.h +++ b/drivers/cpuidle/dt_idle_states.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DT_IDLE_STATES #define __DT_IDLE_STATES diff --git a/drivers/cpuidle/governors/ladder.c b/drivers/cpuidle/governors/ladder.c index ce1a2ffffb2a..1ad8745fd6d6 100644 --- a/drivers/cpuidle/governors/ladder.c +++ b/drivers/cpuidle/governors/ladder.c @@ -17,6 +17,7 @@ #include <linux/pm_qos.h> #include <linux/jiffies.h> #include <linux/tick.h> +#include <linux/cpu.h> #include <asm/io.h> #include <linux/uaccess.h> @@ -67,10 +68,16 @@ static int ladder_select_state(struct cpuidle_driver *drv, struct cpuidle_device *dev) { struct ladder_device *ldev = this_cpu_ptr(&ladder_devices); + struct device *device = get_cpu_device(dev->cpu); struct ladder_device_state *last_state; int last_residency, last_idx = ldev->last_state_idx; int first_idx = drv->states[0].flags & CPUIDLE_FLAG_POLLING ? 1 : 0; int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY); + int resume_latency = dev_pm_qos_raw_read_value(device); + + if (resume_latency < latency_req && + resume_latency != PM_QOS_RESUME_LATENCY_NO_CONSTRAINT) + latency_req = resume_latency; /* Special case when user has set very strict latency requirement */ if (unlikely(latency_req == 0)) { diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index 48eaf2879228..aa390404e85f 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -298,8 +298,8 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) data->needs_update = 0; } - /* resume_latency is 0 means no restriction */ - if (resume_latency && resume_latency < latency_req) + if (resume_latency < latency_req && + resume_latency != PM_QOS_RESUME_LATENCY_NO_CONSTRAINT) latency_req = resume_latency; /* Special case when user has set very strict latency requirement */ diff --git a/drivers/crypto/Makefile b/drivers/crypto/Makefile index 808432b44c6b..c00708d04be6 100644 --- a/drivers/crypto/Makefile +++ b/drivers/crypto/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_ATMEL_AES) += atmel-aes.o obj-$(CONFIG_CRYPTO_DEV_ATMEL_SHA) += atmel-sha.o obj-$(CONFIG_CRYPTO_DEV_ATMEL_TDES) += atmel-tdes.o diff --git a/drivers/crypto/atmel-aes-regs.h b/drivers/crypto/atmel-aes-regs.h index 7694679802b3..62f9d3038757 100644 --- a/drivers/crypto/atmel-aes-regs.h +++ b/drivers/crypto/atmel-aes-regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ATMEL_AES_REGS_H__ #define __ATMEL_AES_REGS_H__ diff --git a/drivers/crypto/atmel-sha-regs.h b/drivers/crypto/atmel-sha-regs.h index 1b0eba4a2706..b2b5e634e80f 100644 --- a/drivers/crypto/atmel-sha-regs.h +++ b/drivers/crypto/atmel-sha-regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ATMEL_SHA_REGS_H__ #define __ATMEL_SHA_REGS_H__ diff --git a/drivers/crypto/atmel-tdes-regs.h b/drivers/crypto/atmel-tdes-regs.h index f86734d0fda4..fbd905720dfa 100644 --- a/drivers/crypto/atmel-tdes-regs.h +++ b/drivers/crypto/atmel-tdes-regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ATMEL_TDES_REGS_H__ #define __ATMEL_TDES_REGS_H__ diff --git a/drivers/crypto/axis/artpec6_crypto.c b/drivers/crypto/axis/artpec6_crypto.c index 0f9754e07719..456278440863 100644 --- a/drivers/crypto/axis/artpec6_crypto.c +++ b/drivers/crypto/axis/artpec6_crypto.c @@ -2072,9 +2072,9 @@ static void artpec6_crypto_process_queue(struct artpec6_crypto *ac) del_timer(&ac->timer); } -static void artpec6_crypto_timeout(unsigned long data) +static void artpec6_crypto_timeout(struct timer_list *t) { - struct artpec6_crypto *ac = (struct artpec6_crypto *) data; + struct artpec6_crypto *ac = from_timer(ac, t, timer); dev_info_ratelimited(artpec6_crypto_dev, "timeout\n"); @@ -3063,7 +3063,7 @@ static int artpec6_crypto_probe(struct platform_device *pdev) spin_lock_init(&ac->queue_lock); INIT_LIST_HEAD(&ac->queue); INIT_LIST_HEAD(&ac->pending); - setup_timer(&ac->timer, artpec6_crypto_timeout, (unsigned long) ac); + timer_setup(&ac->timer, artpec6_crypto_timeout, 0); ac->base = base; diff --git a/drivers/crypto/caam/Makefile b/drivers/crypto/caam/Makefile index 9e2e98856b9b..cb652ee7dfc8 100644 --- a/drivers/crypto/caam/Makefile +++ b/drivers/crypto/caam/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the CAAM backend and dependent components # diff --git a/drivers/crypto/caam/caamalg_desc.h b/drivers/crypto/caam/caamalg_desc.h index 8731e4a7ff05..e412ec8f7005 100644 --- a/drivers/crypto/caam/caamalg_desc.h +++ b/drivers/crypto/caam/caamalg_desc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Shared descriptors for aead, ablkcipher algorithms * diff --git a/drivers/crypto/caam/caampkc.h b/drivers/crypto/caam/caampkc.h index 87ab75e9df43..fd145c46eae1 100644 --- a/drivers/crypto/caam/caampkc.h +++ b/drivers/crypto/caam/caampkc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors * diff --git a/drivers/crypto/caam/compat.h b/drivers/crypto/caam/compat.h index 7149cd2492e0..5f2f1b288d37 100644 --- a/drivers/crypto/caam/compat.h +++ b/drivers/crypto/caam/compat.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2008-2011 Freescale Semiconductor, Inc. */ diff --git a/drivers/crypto/caam/ctrl.h b/drivers/crypto/caam/ctrl.h index 7e7bf68c9ef5..be693a2cc25e 100644 --- a/drivers/crypto/caam/ctrl.h +++ b/drivers/crypto/caam/ctrl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM control-plane driver backend public-level include definitions * diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h index 2e6766a1573f..6633fbb80e74 100644 --- a/drivers/crypto/caam/desc.h +++ b/drivers/crypto/caam/desc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM descriptor composition header * Definitions to support CAAM descriptor instruction generation diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index d8e83ca104e0..ba1ca0806f0a 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * caam descriptor construction helper functions * diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c index 3d639f3b45aa..8da88beb1abb 100644 --- a/drivers/crypto/caam/error.c +++ b/drivers/crypto/caam/error.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * CAAM Error Reporting * diff --git a/drivers/crypto/caam/error.h b/drivers/crypto/caam/error.h index 250e1a21c473..5aa332bac4b0 100644 --- a/drivers/crypto/caam/error.h +++ b/drivers/crypto/caam/error.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM Error Reporting code header * diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index a52361258d3a..91f1107276e5 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM/SEC 4.x driver backend * Private/internal definitions between modules diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index d258953ff488..f4f258075b89 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -172,7 +172,7 @@ static void caam_jr_dequeue(unsigned long devarg) while (rd_reg32(&jrp->rregs->outring_used)) { - head = ACCESS_ONCE(jrp->head); + head = READ_ONCE(jrp->head); spin_lock(&jrp->outlock); @@ -341,7 +341,7 @@ int caam_jr_enqueue(struct device *dev, u32 *desc, spin_lock_bh(&jrp->inplock); head = jrp->head; - tail = ACCESS_ONCE(jrp->tail); + tail = READ_ONCE(jrp->tail); if (!rd_reg32(&jrp->rregs->inpring_avail) || CIRC_SPACE(head, tail, JOBR_DEPTH) <= 0) { diff --git a/drivers/crypto/caam/jr.h b/drivers/crypto/caam/jr.h index 97113a6d6c58..eab611530f36 100644 --- a/drivers/crypto/caam/jr.h +++ b/drivers/crypto/caam/jr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM public-level include definitions for the JobR backend * diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c index c425d4adaf2a..8c79c3a153dc 100644 --- a/drivers/crypto/caam/key_gen.c +++ b/drivers/crypto/caam/key_gen.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * CAAM/SEC 4.x functions for handling key-generation jobs * diff --git a/drivers/crypto/caam/key_gen.h b/drivers/crypto/caam/key_gen.h index 4628f389eb64..5db055c25bd2 100644 --- a/drivers/crypto/caam/key_gen.h +++ b/drivers/crypto/caam/key_gen.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM/SEC 4.x definitions for handling key-generation jobs * diff --git a/drivers/crypto/caam/pdb.h b/drivers/crypto/caam/pdb.h index 31e59963f4d2..810f0bef0652 100644 --- a/drivers/crypto/caam/pdb.h +++ b/drivers/crypto/caam/pdb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM Protocol Data Block (PDB) definition header file * diff --git a/drivers/crypto/caam/pkc_desc.c b/drivers/crypto/caam/pkc_desc.c index 9e2ce6fe2e43..2a8d87ea94bf 100644 --- a/drivers/crypto/caam/pkc_desc.c +++ b/drivers/crypto/caam/pkc_desc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * caam - Freescale FSL CAAM support for Public Key Cryptography descriptors * diff --git a/drivers/crypto/caam/qi.c b/drivers/crypto/caam/qi.c index e4cf00014233..f9a44f485aac 100644 --- a/drivers/crypto/caam/qi.c +++ b/drivers/crypto/caam/qi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * CAAM/SEC 4.x QI transport/backend driver * Queue Interface backend functionality diff --git a/drivers/crypto/caam/qi.h b/drivers/crypto/caam/qi.h index ecb21f207637..357b69f57072 100644 --- a/drivers/crypto/caam/qi.h +++ b/drivers/crypto/caam/qi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Public definitions for the CAAM/QI (Queue Interface) backend. * diff --git a/drivers/crypto/caam/regs.h b/drivers/crypto/caam/regs.h index 17cfd23a38fa..fee363865d88 100644 --- a/drivers/crypto/caam/regs.h +++ b/drivers/crypto/caam/regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM hardware register-level view * diff --git a/drivers/crypto/caam/sg_sw_sec4.h b/drivers/crypto/caam/sg_sw_sec4.h index 936b1b630058..e586ffab8358 100644 --- a/drivers/crypto/caam/sg_sw_sec4.h +++ b/drivers/crypto/caam/sg_sw_sec4.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * CAAM/SEC 4.x functions for using scatterlists in caam driver * diff --git a/drivers/crypto/cavium/nitrox/Makefile b/drivers/crypto/cavium/nitrox/Makefile index 5af2e4368267..45b7379e8e30 100644 --- a/drivers/crypto/cavium/nitrox/Makefile +++ b/drivers/crypto/cavium/nitrox/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_NITROX_CNN55XX) += n5pf.o n5pf-objs := nitrox_main.o \ diff --git a/drivers/crypto/cavium/nitrox/nitrox_algs.c b/drivers/crypto/cavium/nitrox/nitrox_algs.c index ce330278ef8a..2ae6124e5da6 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_algs.c +++ b/drivers/crypto/cavium/nitrox/nitrox_algs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/crypto.h> #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/crypto/cavium/nitrox/nitrox_common.h b/drivers/crypto/cavium/nitrox/nitrox_common.h index 4888c7823a5f..312f72801af6 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_common.h +++ b/drivers/crypto/cavium/nitrox/nitrox_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NITROX_COMMON_H #define __NITROX_COMMON_H diff --git a/drivers/crypto/cavium/nitrox/nitrox_csr.h b/drivers/crypto/cavium/nitrox/nitrox_csr.h index 30b04c4c6076..9dcb7fdbe0a7 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_csr.h +++ b/drivers/crypto/cavium/nitrox/nitrox_csr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NITROX_CSR_H #define __NITROX_CSR_H diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h index 57858b04f165..9a476bb6d4c7 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_dev.h +++ b/drivers/crypto/cavium/nitrox/nitrox_dev.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NITROX_DEV_H #define __NITROX_DEV_H diff --git a/drivers/crypto/cavium/nitrox/nitrox_hal.c b/drivers/crypto/cavium/nitrox/nitrox_hal.c index f0655f82fa7d..bf9900bc4804 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_hal.c +++ b/drivers/crypto/cavium/nitrox/nitrox_hal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/delay.h> #include "nitrox_dev.h" diff --git a/drivers/crypto/cavium/nitrox/nitrox_isr.c b/drivers/crypto/cavium/nitrox/nitrox_isr.c index 71f934871a89..dbead5f45df3 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_isr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_isr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/printk.h> #include <linux/slab.h> diff --git a/drivers/crypto/cavium/nitrox/nitrox_lib.c b/drivers/crypto/cavium/nitrox/nitrox_lib.c index b4a391adb9b6..4fdc921ba611 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_lib.c +++ b/drivers/crypto/cavium/nitrox/nitrox_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/cpumask.h> #include <linux/dma-mapping.h> #include <linux/dmapool.h> diff --git a/drivers/crypto/cavium/nitrox/nitrox_req.h b/drivers/crypto/cavium/nitrox/nitrox_req.h index 74f4c20dc87d..d091b6f5f5dd 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_req.h +++ b/drivers/crypto/cavium/nitrox/nitrox_req.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NITROX_REQ_H #define __NITROX_REQ_H diff --git a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c index 4bb4377c5ac0..4addc238a6ef 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c +++ b/drivers/crypto/cavium/nitrox/nitrox_reqmgr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/gfp.h> #include <linux/workqueue.h> #include <crypto/internal/skcipher.h> diff --git a/drivers/crypto/cavium/zip/Makefile b/drivers/crypto/cavium/zip/Makefile index b2f3baaff757..020d189d793d 100644 --- a/drivers/crypto/cavium/zip/Makefile +++ b/drivers/crypto/cavium/zip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Cavium's ZIP Driver. # diff --git a/drivers/crypto/ccp/Makefile b/drivers/crypto/ccp/Makefile index 57f8debfcfb3..c4ce726b931e 100644 --- a/drivers/crypto/ccp/Makefile +++ b/drivers/crypto/ccp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_CCP_DD) += ccp.o ccp-objs := sp-dev.o sp-platform.o ccp-$(CONFIG_CRYPTO_DEV_SP_CCP) += ccp-dev.o \ diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index b7872f62f674..0032e3bf46ee 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MARVELL_CESA_H__ #define __MARVELL_CESA_H__ diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c index bf25f415eea6..0eb2706f23c8 100644 --- a/drivers/crypto/mv_cesa.c +++ b/drivers/crypto/mv_cesa.c @@ -149,7 +149,7 @@ struct mv_req_hash_ctx { int count_add; }; -static void mv_completion_timer_callback(unsigned long unused) +static void mv_completion_timer_callback(struct timer_list *unused) { int active = readl(cpg->reg + SEC_ACCEL_CMD) & SEC_CMD_EN_SEC_ACCL0; @@ -167,7 +167,7 @@ static void mv_completion_timer_callback(unsigned long unused) static void mv_setup_timer(void) { - setup_timer(&cpg->completion_timer, &mv_completion_timer_callback, 0); + timer_setup(&cpg->completion_timer, mv_completion_timer_callback, 0); mod_timer(&cpg->completion_timer, jiffies + msecs_to_jiffies(MV_CESA_EXPIRE)); } diff --git a/drivers/crypto/mv_cesa.h b/drivers/crypto/mv_cesa.h index 9249d3ed184b..0be3f0aa4afd 100644 --- a/drivers/crypto/mv_cesa.h +++ b/drivers/crypto/mv_cesa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MV_CRYPTO_H__ #define __MV_CRYPTO_H__ diff --git a/drivers/crypto/n2_asm.S b/drivers/crypto/n2_asm.S index f7c793745a1e..9a67dbf340f4 100644 --- a/drivers/crypto/n2_asm.S +++ b/drivers/crypto/n2_asm.S @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* n2_asm.S: Hypervisor calls for NCS support. * * Copyright (C) 2009 David S. Miller <davem@davemloft.net> diff --git a/drivers/crypto/n2_core.h b/drivers/crypto/n2_core.h index 4bcbbeae98f5..2406763b0306 100644 --- a/drivers/crypto/n2_core.h +++ b/drivers/crypto/n2_core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _N2_CORE_H #define _N2_CORE_H diff --git a/drivers/crypto/nx/Makefile b/drivers/crypto/nx/Makefile index b727821c8ed4..015155da59c2 100644 --- a/drivers/crypto/nx/Makefile +++ b/drivers/crypto/nx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_NX_ENCRYPT) += nx-crypto.o nx-crypto-objs := nx.o \ nx_debugfs.o \ diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c index 874ddf5e9087..0f20f5ec9617 100644 --- a/drivers/crypto/nx/nx-842-powernv.c +++ b/drivers/crypto/nx/nx-842-powernv.c @@ -193,7 +193,7 @@ static int wait_for_csb(struct nx842_workmem *wmem, ktime_t start = wmem->start, now = ktime_get(); ktime_t timeout = ktime_add_ms(start, CSB_WAIT_MAX); - while (!(ACCESS_ONCE(csb->flags) & CSB_V)) { + while (!(READ_ONCE(csb->flags) & CSB_V)) { cpu_relax(); now = ktime_get(); if (ktime_after(now, timeout)) diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h index bb2f31792683..b66f19ac600f 100644 --- a/drivers/crypto/nx/nx-842.h +++ b/drivers/crypto/nx/nx-842.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NX_842_H__ #define __NX_842_H__ diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index 9347878d4f30..c3e54af18645 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NX_H__ #define __NX_H__ diff --git a/drivers/crypto/nx/nx_csbcpb.h b/drivers/crypto/nx/nx_csbcpb.h index a304f956d6f8..493f8490ff94 100644 --- a/drivers/crypto/nx/nx_csbcpb.h +++ b/drivers/crypto/nx/nx_csbcpb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NX_CSBCPB_H__ #define __NX_CSBCPB_H__ diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c index b6f14844702e..5a6dc53b2b9d 100644 --- a/drivers/crypto/picoxcell_crypto.c +++ b/drivers/crypto/picoxcell_crypto.c @@ -1125,9 +1125,9 @@ static irqreturn_t spacc_spacc_irq(int irq, void *dev) return IRQ_HANDLED; } -static void spacc_packet_timeout(unsigned long data) +static void spacc_packet_timeout(struct timer_list *t) { - struct spacc_engine *engine = (struct spacc_engine *)data; + struct spacc_engine *engine = from_timer(engine, t, packet_timeout); spacc_process_done(engine); } @@ -1714,8 +1714,7 @@ static int spacc_probe(struct platform_device *pdev) writel(SPA_IRQ_EN_STAT_EN | SPA_IRQ_EN_GLBL_EN, engine->regs + SPA_IRQ_EN_REG_OFFSET); - setup_timer(&engine->packet_timeout, spacc_packet_timeout, - (unsigned long)engine); + timer_setup(&engine->packet_timeout, spacc_packet_timeout, 0); INIT_LIST_HEAD(&engine->pending); INIT_LIST_HEAD(&engine->completed); diff --git a/drivers/crypto/qat/Makefile b/drivers/crypto/qat/Makefile index 8265106f1c8e..7dd15e751d02 100644 --- a/drivers/crypto/qat/Makefile +++ b/drivers/crypto/qat/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_QAT) += qat_common/ obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc/ obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx/ diff --git a/drivers/crypto/qat/qat_common/Makefile b/drivers/crypto/qat/qat_common/Makefile index 92fb6ffdc062..47a8e3d8b81a 100644 --- a/drivers/crypto/qat/qat_common/Makefile +++ b/drivers/crypto/qat/qat_common/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_QAT) += intel_qat.o intel_qat-objs := adf_cfg.o \ adf_isr.o \ diff --git a/drivers/crypto/qce/Makefile b/drivers/crypto/qce/Makefile index 348dc3173afa..19a7f899acff 100644 --- a/drivers/crypto/qce/Makefile +++ b/drivers/crypto/qce/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_QCE) += qcrypto.o qcrypto-objs := core.o \ common.o \ diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h index ab6a1b4c40f0..d5fb4013fb42 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.h +++ b/drivers/crypto/rockchip/rk3288_crypto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RK3288_CRYPTO_H__ #define __RK3288_CRYPTO_H__ diff --git a/drivers/crypto/virtio/Makefile b/drivers/crypto/virtio/Makefile index dd342c947ff9..cbfccccfa135 100644 --- a/drivers/crypto/virtio/Makefile +++ b/drivers/crypto/virtio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_VIRTIO) += virtio_crypto.o virtio_crypto-objs := \ virtio_crypto_algs.o \ diff --git a/drivers/crypto/vmx/Makefile b/drivers/crypto/vmx/Makefile index 55f7c392582f..cab32cfec9c4 100644 --- a/drivers/crypto/vmx/Makefile +++ b/drivers/crypto/vmx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CRYPTO_DEV_VMX_ENCRYPT) += vmx-crypto.o vmx-crypto-objs := vmx.o aesp8-ppc.o ghashp8-ppc.o aes.o aes_cbc.o aes_ctr.o aes_xts.o ghash.o diff --git a/drivers/crypto/vmx/aesp8-ppc.h b/drivers/crypto/vmx/aesp8-ppc.h index 01972e16a6c0..349646b73754 100644 --- a/drivers/crypto/vmx/aesp8-ppc.h +++ b/drivers/crypto/vmx/aesp8-ppc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/types.h> #include <crypto/aes.h> diff --git a/drivers/crypto/vmx/ppc-xlate.pl b/drivers/crypto/vmx/ppc-xlate.pl index b18e67d0e065..36db2ef09e5b 100644 --- a/drivers/crypto/vmx/ppc-xlate.pl +++ b/drivers/crypto/vmx/ppc-xlate.pl @@ -1,4 +1,5 @@ #!/usr/bin/env perl +# SPDX-License-Identifier: GPL-2.0 # PowerPC assembler distiller by <appro>. diff --git a/drivers/dax/Makefile b/drivers/dax/Makefile index dc7422530462..574286fac87c 100644 --- a/drivers/dax/Makefile +++ b/drivers/dax/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DAX) += dax.o obj-$(CONFIG_DEV_DAX) += device_dax.o obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o diff --git a/drivers/devfreq/Makefile b/drivers/devfreq/Makefile index fbff40a508a4..32b8d4d3f12c 100644 --- a/drivers/devfreq/Makefile +++ b/drivers/devfreq/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PM_DEVFREQ) += devfreq.o obj-$(CONFIG_PM_DEVFREQ_EVENT) += devfreq-event.o obj-$(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) += governor_simpleondemand.o diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index a1c4ee818614..78fb496ecb4e 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -28,6 +28,9 @@ #include <linux/of.h> #include "governor.h" +#define MAX(a,b) ((a > b) ? a : b) +#define MIN(a,b) ((a < b) ? a : b) + static struct class *devfreq_class; /* @@ -69,6 +72,34 @@ static struct devfreq *find_device_devfreq(struct device *dev) return ERR_PTR(-ENODEV); } +static unsigned long find_available_min_freq(struct devfreq *devfreq) +{ + struct dev_pm_opp *opp; + unsigned long min_freq = 0; + + opp = dev_pm_opp_find_freq_ceil(devfreq->dev.parent, &min_freq); + if (IS_ERR(opp)) + min_freq = 0; + else + dev_pm_opp_put(opp); + + return min_freq; +} + +static unsigned long find_available_max_freq(struct devfreq *devfreq) +{ + struct dev_pm_opp *opp; + unsigned long max_freq = ULONG_MAX; + + opp = dev_pm_opp_find_freq_floor(devfreq->dev.parent, &max_freq); + if (IS_ERR(opp)) + max_freq = 0; + else + dev_pm_opp_put(opp); + + return max_freq; +} + /** * devfreq_get_freq_level() - Lookup freq_table for the frequency * @devfreq: the devfreq instance @@ -85,11 +116,7 @@ static int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq) return -EINVAL; } -/** - * devfreq_set_freq_table() - Initialize freq_table for the frequency - * @devfreq: the devfreq instance - */ -static void devfreq_set_freq_table(struct devfreq *devfreq) +static int set_freq_table(struct devfreq *devfreq) { struct devfreq_dev_profile *profile = devfreq->profile; struct dev_pm_opp *opp; @@ -99,7 +126,7 @@ static void devfreq_set_freq_table(struct devfreq *devfreq) /* Initialize the freq_table from OPP table */ count = dev_pm_opp_get_opp_count(devfreq->dev.parent); if (count <= 0) - return; + return -EINVAL; profile->max_state = count; profile->freq_table = devm_kcalloc(devfreq->dev.parent, @@ -108,7 +135,7 @@ static void devfreq_set_freq_table(struct devfreq *devfreq) GFP_KERNEL); if (!profile->freq_table) { profile->max_state = 0; - return; + return -ENOMEM; } for (i = 0, freq = 0; i < profile->max_state; i++, freq++) { @@ -116,11 +143,13 @@ static void devfreq_set_freq_table(struct devfreq *devfreq) if (IS_ERR(opp)) { devm_kfree(devfreq->dev.parent, profile->freq_table); profile->max_state = 0; - return; + return PTR_ERR(opp); } dev_pm_opp_put(opp); profile->freq_table[i] = freq; } + + return 0; } /** @@ -227,7 +256,7 @@ static int devfreq_notify_transition(struct devfreq *devfreq, int update_devfreq(struct devfreq *devfreq) { struct devfreq_freqs freqs; - unsigned long freq, cur_freq; + unsigned long freq, cur_freq, min_freq, max_freq; int err = 0; u32 flags = 0; @@ -245,19 +274,21 @@ int update_devfreq(struct devfreq *devfreq) return err; /* - * Adjust the frequency with user freq and QoS. + * Adjust the frequency with user freq, QoS and available freq. * * List from the highest priority * max_freq * min_freq */ + max_freq = MIN(devfreq->scaling_max_freq, devfreq->max_freq); + min_freq = MAX(devfreq->scaling_min_freq, devfreq->min_freq); - if (devfreq->min_freq && freq < devfreq->min_freq) { - freq = devfreq->min_freq; + if (min_freq && freq < min_freq) { + freq = min_freq; flags &= ~DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use GLB */ } - if (devfreq->max_freq && freq > devfreq->max_freq) { - freq = devfreq->max_freq; + if (max_freq && freq > max_freq) { + freq = max_freq; flags |= DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use LUB */ } @@ -280,10 +311,9 @@ int update_devfreq(struct devfreq *devfreq) freqs.new = freq; devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); - if (devfreq->profile->freq_table) - if (devfreq_update_status(devfreq, freq)) - dev_err(&devfreq->dev, - "Couldn't update frequency transition information.\n"); + if (devfreq_update_status(devfreq, freq)) + dev_err(&devfreq->dev, + "Couldn't update frequency transition information.\n"); devfreq->previous_freq = freq; return err; @@ -466,6 +496,19 @@ static int devfreq_notifier_call(struct notifier_block *nb, unsigned long type, int ret; mutex_lock(&devfreq->lock); + + devfreq->scaling_min_freq = find_available_min_freq(devfreq); + if (!devfreq->scaling_min_freq) { + mutex_unlock(&devfreq->lock); + return -EINVAL; + } + + devfreq->scaling_max_freq = find_available_max_freq(devfreq); + if (!devfreq->scaling_max_freq) { + mutex_unlock(&devfreq->lock); + return -EINVAL; + } + ret = update_devfreq(devfreq); mutex_unlock(&devfreq->lock); @@ -555,10 +598,28 @@ struct devfreq *devfreq_add_device(struct device *dev, if (!devfreq->profile->max_state && !devfreq->profile->freq_table) { mutex_unlock(&devfreq->lock); - devfreq_set_freq_table(devfreq); + err = set_freq_table(devfreq); + if (err < 0) + goto err_out; mutex_lock(&devfreq->lock); } + devfreq->min_freq = find_available_min_freq(devfreq); + if (!devfreq->min_freq) { + mutex_unlock(&devfreq->lock); + err = -EINVAL; + goto err_dev; + } + devfreq->scaling_min_freq = devfreq->min_freq; + + devfreq->max_freq = find_available_max_freq(devfreq); + if (!devfreq->max_freq) { + mutex_unlock(&devfreq->lock); + err = -EINVAL; + goto err_dev; + } + devfreq->scaling_max_freq = devfreq->max_freq; + dev_set_name(&devfreq->dev, "devfreq%d", atomic_inc_return(&devfreq_no)); err = device_register(&devfreq->dev); @@ -1082,6 +1143,14 @@ unlock: return ret; } +static ssize_t min_freq_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct devfreq *df = to_devfreq(dev); + + return sprintf(buf, "%lu\n", MAX(df->scaling_min_freq, df->min_freq)); +} + static ssize_t max_freq_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { @@ -1108,17 +1177,15 @@ unlock: mutex_unlock(&df->lock); return ret; } +static DEVICE_ATTR_RW(min_freq); -#define show_one(name) \ -static ssize_t name##_show \ -(struct device *dev, struct device_attribute *attr, char *buf) \ -{ \ - return sprintf(buf, "%lu\n", to_devfreq(dev)->name); \ -} -show_one(min_freq); -show_one(max_freq); +static ssize_t max_freq_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct devfreq *df = to_devfreq(dev); -static DEVICE_ATTR_RW(min_freq); + return sprintf(buf, "%lu\n", MIN(df->scaling_max_freq, df->max_freq)); +} static DEVICE_ATTR_RW(max_freq); static ssize_t available_frequencies_show(struct device *d, @@ -1126,22 +1193,16 @@ static ssize_t available_frequencies_show(struct device *d, char *buf) { struct devfreq *df = to_devfreq(d); - struct device *dev = df->dev.parent; - struct dev_pm_opp *opp; ssize_t count = 0; - unsigned long freq = 0; + int i; - do { - opp = dev_pm_opp_find_freq_ceil(dev, &freq); - if (IS_ERR(opp)) - break; + mutex_lock(&df->lock); - dev_pm_opp_put(opp); + for (i = 0; i < df->profile->max_state; i++) count += scnprintf(&buf[count], (PAGE_SIZE - count - 2), - "%lu ", freq); - freq++; - } while (1); + "%lu ", df->profile->freq_table[i]); + mutex_unlock(&df->lock); /* Truncate the trailing space */ if (count) count--; diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index 49f68929e024..c25658b26598 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -436,7 +436,8 @@ static int exynos_bus_probe(struct platform_device *pdev) ondemand_data->downdifferential = 5; /* Add devfreq device to monitor and handle the exynos bus */ - bus->devfreq = devm_devfreq_add_device(dev, profile, "simple_ondemand", + bus->devfreq = devm_devfreq_add_device(dev, profile, + DEVFREQ_GOV_SIMPLE_ONDEMAND, ondemand_data); if (IS_ERR(bus->devfreq)) { dev_err(dev, "failed to add devfreq device\n"); @@ -488,7 +489,7 @@ passive: passive_data->parent = parent_devfreq; /* Add devfreq device for exynos bus with passive governor */ - bus->devfreq = devm_devfreq_add_device(dev, profile, "passive", + bus->devfreq = devm_devfreq_add_device(dev, profile, DEVFREQ_GOV_PASSIVE, passive_data); if (IS_ERR(bus->devfreq)) { dev_err(dev, diff --git a/drivers/devfreq/governor_passive.c b/drivers/devfreq/governor_passive.c index 673ad8cc9a1d..3bc29acbd54e 100644 --- a/drivers/devfreq/governor_passive.c +++ b/drivers/devfreq/governor_passive.c @@ -183,7 +183,7 @@ static int devfreq_passive_event_handler(struct devfreq *devfreq, } static struct devfreq_governor devfreq_passive = { - .name = "passive", + .name = DEVFREQ_GOV_PASSIVE, .immutable = 1, .get_target_freq = devfreq_passive_get_target_freq, .event_handler = devfreq_passive_event_handler, diff --git a/drivers/devfreq/governor_performance.c b/drivers/devfreq/governor_performance.c index c72f942f30a8..4d23ecfbd948 100644 --- a/drivers/devfreq/governor_performance.c +++ b/drivers/devfreq/governor_performance.c @@ -42,7 +42,7 @@ static int devfreq_performance_handler(struct devfreq *devfreq, } static struct devfreq_governor devfreq_performance = { - .name = "performance", + .name = DEVFREQ_GOV_PERFORMANCE, .get_target_freq = devfreq_performance_func, .event_handler = devfreq_performance_handler, }; diff --git a/drivers/devfreq/governor_powersave.c b/drivers/devfreq/governor_powersave.c index 0c6bed567e6d..0c42f23249ef 100644 --- a/drivers/devfreq/governor_powersave.c +++ b/drivers/devfreq/governor_powersave.c @@ -39,7 +39,7 @@ static int devfreq_powersave_handler(struct devfreq *devfreq, } static struct devfreq_governor devfreq_powersave = { - .name = "powersave", + .name = DEVFREQ_GOV_POWERSAVE, .get_target_freq = devfreq_powersave_func, .event_handler = devfreq_powersave_handler, }; diff --git a/drivers/devfreq/governor_simpleondemand.c b/drivers/devfreq/governor_simpleondemand.c index ae72ba5e78df..28e0f2de7100 100644 --- a/drivers/devfreq/governor_simpleondemand.c +++ b/drivers/devfreq/governor_simpleondemand.c @@ -125,7 +125,7 @@ static int devfreq_simple_ondemand_handler(struct devfreq *devfreq, } static struct devfreq_governor devfreq_simple_ondemand = { - .name = "simple_ondemand", + .name = DEVFREQ_GOV_SIMPLE_ONDEMAND, .get_target_freq = devfreq_simple_ondemand_func, .event_handler = devfreq_simple_ondemand_handler, }; diff --git a/drivers/devfreq/governor_userspace.c b/drivers/devfreq/governor_userspace.c index 77028c27593c..080607c3f34d 100644 --- a/drivers/devfreq/governor_userspace.c +++ b/drivers/devfreq/governor_userspace.c @@ -87,7 +87,7 @@ static struct attribute *dev_entries[] = { NULL, }; static const struct attribute_group dev_attr_group = { - .name = "userspace", + .name = DEVFREQ_GOV_USERSPACE, .attrs = dev_entries, }; diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c index 1b89ebbad02c..5dfbfa3cc878 100644 --- a/drivers/devfreq/rk3399_dmc.c +++ b/drivers/devfreq/rk3399_dmc.c @@ -431,7 +431,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev) data->devfreq = devm_devfreq_add_device(dev, &rk3399_devfreq_dmc_profile, - "simple_ondemand", + DEVFREQ_GOV_SIMPLE_ONDEMAND, &data->ondemand_data); if (IS_ERR(data->devfreq)) return PTR_ERR(data->devfreq); diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c index 0d0677f23916..92e78d16b476 100644 --- a/drivers/dio/dio.c +++ b/drivers/dio/dio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Code to support devices on the DIO and DIO-II bus * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk> * Copyright (C) 2004 Jochen Friedrich <jochen@scram.de> diff --git a/drivers/dma-buf/sync_trace.h b/drivers/dma-buf/sync_trace.h index d13d59ff1b85..06e468a218ff 100644 --- a/drivers/dma-buf/sync_trace.h +++ b/drivers/dma-buf/sync_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_INCLUDE_PATH ../../drivers/dma-buf #define TRACE_SYSTEM sync_trace diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index f08f8de1b567..9d0156b50294 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 #dmaengine debug flags subdir-ccflags-$(CONFIG_DMADEVICES_DEBUG) := -DDEBUG subdir-ccflags-$(CONFIG_DMADEVICES_VDEBUG) += -DVERBOSE_DEBUG diff --git a/drivers/dma/bestcomm/Makefile b/drivers/dma/bestcomm/Makefile index aed2df2a6580..8d1b33a2f0a1 100644 --- a/drivers/dma/bestcomm/Makefile +++ b/drivers/dma/bestcomm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for BestComm & co # diff --git a/drivers/dma/dmaengine.h b/drivers/dma/dmaengine.h index 882ff9448c3b..501c0b063f85 100644 --- a/drivers/dma/dmaengine.h +++ b/drivers/dma/dmaengine.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * The contents of this file are private to DMA engine drivers, and is not * part of the API to be used by DMA engine users. diff --git a/drivers/dma/dw/Makefile b/drivers/dma/dw/Makefile index 3eebd1ce2c6b..2b949c2e4504 100644 --- a/drivers/dma/dw/Makefile +++ b/drivers/dma/dw/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DW_DMAC_CORE) += dw_dmac_core.o dw_dmac_core-objs := core.o diff --git a/drivers/dma/qcom/Makefile b/drivers/dma/qcom/Makefile index 4bfc38b45220..1ae92da88b0c 100644 --- a/drivers/dma/qcom/Makefile +++ b/drivers/dma/qcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_QCOM_BAM_DMA) += bam_dma.o obj-$(CONFIG_QCOM_HIDMA_MGMT) += hdma_mgmt.o hdma_mgmt-objs := hidma_mgmt.o hidma_mgmt_sys.o diff --git a/drivers/dma/sh/Makefile b/drivers/dma/sh/Makefile index f1e2fd64f279..7d7c9491ade1 100644 --- a/drivers/dma/sh/Makefile +++ b/drivers/dma/sh/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # DMA Engine Helpers # diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 346c4987b284..11d6419788c2 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -175,11 +175,11 @@ static ssize_t altr_sdr_mc_err_inject_write(struct file *file, /* * To trigger the error, we need to read the data back * (the data was written with errors above). - * The ACCESS_ONCE macros and printk are used to prevent the + * The READ_ONCE macros and printk are used to prevent the * the compiler optimizing these reads out. */ - reg = ACCESS_ONCE(ptemp[0]); - read_reg = ACCESS_ONCE(ptemp[1]); + reg = READ_ONCE(ptemp[0]); + read_reg = READ_ONCE(ptemp[1]); /* Force Read */ rmb(); @@ -618,7 +618,7 @@ static ssize_t altr_edac_device_trig(struct file *file, for (i = 0; i < (priv->trig_alloc_sz / sizeof(*ptemp)); i++) { /* Read data so we're in the correct state */ rmb(); - if (ACCESS_ONCE(ptemp[i])) + if (READ_ONCE(ptemp[i])) result = -1; /* Toggle Error bit (it is latched), leave ECC enabled */ writel(error_mask, (drvdata->base + priv->set_err_ofst)); @@ -635,7 +635,7 @@ static ssize_t altr_edac_device_trig(struct file *file, /* Read out written data. ECC error caused here */ for (i = 0; i < ALTR_TRIGGER_READ_WRD_CNT; i++) - if (ACCESS_ONCE(ptemp[i]) != i) + if (READ_ONCE(ptemp[i]) != i) edac_printk(KERN_ERR, EDAC_DEVICE, "Read doesn't match written data\n"); diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index ac2f30295efe..8b16ec595fa7 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -3434,9 +3434,14 @@ MODULE_DEVICE_TABLE(x86cpu, amd64_cpuids); static int __init amd64_edac_init(void) { + const char *owner; int err = -ENODEV; int i; + owner = edac_get_owner(); + if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR))) + return -EBUSY; + if (!x86_match_cpu(amd64_cpuids)) return -ENODEV; diff --git a/drivers/edac/amd64_edac_dbg.c b/drivers/edac/amd64_edac_dbg.c index 4709c6079848..393be3351493 100644 --- a/drivers/edac/amd64_edac_dbg.c +++ b/drivers/edac/amd64_edac_dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "amd64_edac.h" #define EDAC_DCT_ATTR_SHOW(reg) \ diff --git a/drivers/edac/amd64_edac_inj.c b/drivers/edac/amd64_edac_inj.c index e14977ff95db..d96d6116f0fb 100644 --- a/drivers/edac/amd64_edac_inj.c +++ b/drivers/edac/amd64_edac_inj.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "amd64_edac.h" static ssize_t amd64_inject_section_show(struct device *dev, diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 480072139b7a..48193f5f3b56 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -53,7 +53,7 @@ static LIST_HEAD(mc_devices); * Used to lock EDAC MC to just one module, avoiding two drivers e. g. * apei/ghes and i7core_edac to be used at the same time. */ -static void const *edac_mc_owner; +static const char *edac_mc_owner; static struct bus_type mc_bus[EDAC_MAX_MCS]; @@ -701,6 +701,11 @@ unlock: } EXPORT_SYMBOL(edac_mc_find); +const char *edac_get_owner(void) +{ + return edac_mc_owner; +} +EXPORT_SYMBOL_GPL(edac_get_owner); /* FIXME - should a warning be printed if no error detection? correction? */ int edac_mc_add_mc_with_groups(struct mem_ctl_info *mci, diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h index 5357800e418d..4165e15995ad 100644 --- a/drivers/edac/edac_mc.h +++ b/drivers/edac/edac_mc.h @@ -128,6 +128,14 @@ struct mem_ctl_info *edac_mc_alloc(unsigned mc_num, unsigned sz_pvt); /** + * edac_get_owner - Return the owner's mod_name of EDAC MC + * + * Returns: + * Pointer to mod_name string when EDAC MC is owned. NULL otherwise. + */ +extern const char *edac_get_owner(void); + +/* * edac_mc_add_mc_with_groups() - Insert the @mci structure into the mci * global list and create sysfs entries associated with @mci structure. * diff --git a/drivers/edac/edac_module.h b/drivers/edac/edac_module.h index 014871e169cc..dec88dcea036 100644 --- a/drivers/edac/edac_module.h +++ b/drivers/edac/edac_module.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * edac_module.h diff --git a/drivers/edac/ghes_edac.c b/drivers/edac/ghes_edac.c index 6f80eb65c26c..68b6ee18bea6 100644 --- a/drivers/edac/ghes_edac.c +++ b/drivers/edac/ghes_edac.c @@ -28,10 +28,19 @@ struct ghes_edac_pvt { char msg[80]; }; -static LIST_HEAD(ghes_reglist); -static DEFINE_MUTEX(ghes_edac_lock); -static int ghes_edac_mc_num; +static atomic_t ghes_init = ATOMIC_INIT(0); +static struct ghes_edac_pvt *ghes_pvt; +/* + * Sync with other, potentially concurrent callers of + * ghes_edac_report_mem_error(). We don't know what the + * "inventive" firmware would do. + */ +static DEFINE_SPINLOCK(ghes_lock); + +/* "ghes_edac.force_load=1" skips the platform check */ +static bool __read_mostly force_load; +module_param(force_load, bool, 0); /* Memory Device - Type 17 of SMBIOS spec */ struct memdev_dmi_entry { @@ -169,18 +178,26 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev, enum hw_event_mc_err_type type; struct edac_raw_error_desc *e; struct mem_ctl_info *mci; - struct ghes_edac_pvt *pvt = NULL; + struct ghes_edac_pvt *pvt = ghes_pvt; + unsigned long flags; char *p; u8 grain_bits; - list_for_each_entry(pvt, &ghes_reglist, list) { - if (ghes == pvt->ghes) - break; - } if (!pvt) { pr_err("Internal error: Can't find EDAC structure\n"); return; } + + /* + * We can do the locking below because GHES defers error processing + * from NMI to IRQ context. Whenever that changes, we'd at least + * know. + */ + if (WARN_ON_ONCE(in_nmi())) + return; + + spin_lock_irqsave(&ghes_lock, flags); + mci = pvt->mci; e = &mci->error_desc; @@ -398,10 +415,17 @@ void ghes_edac_report_mem_error(struct ghes *ghes, int sev, (e->page_frame_number << PAGE_SHIFT) | e->offset_in_page, grain_bits, e->syndrome, pvt->detail_location); - /* Report the error via EDAC API */ edac_raw_mc_handle_error(type, mci, e); + spin_unlock_irqrestore(&ghes_lock, flags); } -EXPORT_SYMBOL_GPL(ghes_edac_report_mem_error); + +/* + * Known systems that are safe to enable this module. + */ +static struct acpi_platform_list plat_list[] = { + {"HPE ", "Server ", 0, ACPI_SIG_FADT, all_versions}, + { } /* End */ +}; int ghes_edac_register(struct ghes *ghes, struct device *dev) { @@ -409,8 +433,19 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev) int rc, num_dimm = 0; struct mem_ctl_info *mci; struct edac_mc_layer layers[1]; - struct ghes_edac_pvt *pvt; struct ghes_edac_dimm_fill dimm_fill; + int idx; + + /* Check if safe to enable on this system */ + idx = acpi_match_platform_list(plat_list); + if (!force_load && idx < 0) + return 0; + + /* + * We have only one logical memory controller to which all DIMMs belong. + */ + if (atomic_inc_return(&ghes_init) > 1) + return 0; /* Get the number of DIMMs */ dmi_walk(ghes_edac_count_dimms, &num_dimm); @@ -425,26 +460,17 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev) layers[0].size = num_dimm; layers[0].is_virt_csrow = true; - /* - * We need to serialize edac_mc_alloc() and edac_mc_add_mc(), - * to avoid duplicated memory controller numbers - */ - mutex_lock(&ghes_edac_lock); - mci = edac_mc_alloc(ghes_edac_mc_num, ARRAY_SIZE(layers), layers, - sizeof(*pvt)); + mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers, sizeof(struct ghes_edac_pvt)); if (!mci) { pr_info("Can't allocate memory for EDAC data\n"); - mutex_unlock(&ghes_edac_lock); return -ENOMEM; } - pvt = mci->pvt_info; - memset(pvt, 0, sizeof(*pvt)); - list_add_tail(&pvt->list, &ghes_reglist); - pvt->ghes = ghes; - pvt->mci = mci; - mci->pdev = dev; + ghes_pvt = mci->pvt_info; + ghes_pvt->ghes = ghes; + ghes_pvt->mci = mci; + mci->pdev = dev; mci->mtype_cap = MEM_FLAG_EMPTY; mci->edac_ctl_cap = EDAC_FLAG_NONE; mci->edac_cap = EDAC_FLAG_NONE; @@ -452,36 +478,23 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev) mci->ctl_name = "ghes_edac"; mci->dev_name = "ghes"; - if (!ghes_edac_mc_num) { - if (!fake) { - pr_info("This EDAC driver relies on BIOS to enumerate memory and get error reports.\n"); - pr_info("Unfortunately, not all BIOSes reflect the memory layout correctly.\n"); - pr_info("So, the end result of using this driver varies from vendor to vendor.\n"); - pr_info("If you find incorrect reports, please contact your hardware vendor\n"); - pr_info("to correct its BIOS.\n"); - pr_info("This system has %d DIMM sockets.\n", - num_dimm); - } else { - pr_info("This system has a very crappy BIOS: It doesn't even list the DIMMS.\n"); - pr_info("Its SMBIOS info is wrong. It is doubtful that the error report would\n"); - pr_info("work on such system. Use this driver with caution\n"); - } + if (fake) { + pr_info("This system has a very crappy BIOS: It doesn't even list the DIMMS.\n"); + pr_info("Its SMBIOS info is wrong. It is doubtful that the error report would\n"); + pr_info("work on such system. Use this driver with caution\n"); + } else if (idx < 0) { + pr_info("This EDAC driver relies on BIOS to enumerate memory and get error reports.\n"); + pr_info("Unfortunately, not all BIOSes reflect the memory layout correctly.\n"); + pr_info("So, the end result of using this driver varies from vendor to vendor.\n"); + pr_info("If you find incorrect reports, please contact your hardware vendor\n"); + pr_info("to correct its BIOS.\n"); + pr_info("This system has %d DIMM sockets.\n", num_dimm); } if (!fake) { - /* - * Fill DIMM info from DMI for the memory controller #0 - * - * Keep it in blank for the other memory controllers, as - * there's no reliable way to properly credit each DIMM to - * the memory controller, as different BIOSes fill the - * DMI bank location fields on different ways - */ - if (!ghes_edac_mc_num) { - dimm_fill.count = 0; - dimm_fill.mci = mci; - dmi_walk(ghes_edac_dmidecode, &dimm_fill); - } + dimm_fill.count = 0; + dimm_fill.mci = mci; + dmi_walk(ghes_edac_dmidecode, &dimm_fill); } else { struct dimm_info *dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers, 0, 0, 0); @@ -497,28 +510,16 @@ int ghes_edac_register(struct ghes *ghes, struct device *dev) if (rc < 0) { pr_info("Can't register at EDAC core\n"); edac_mc_free(mci); - mutex_unlock(&ghes_edac_lock); return -ENODEV; } - - ghes_edac_mc_num++; - mutex_unlock(&ghes_edac_lock); return 0; } -EXPORT_SYMBOL_GPL(ghes_edac_register); void ghes_edac_unregister(struct ghes *ghes) { struct mem_ctl_info *mci; - struct ghes_edac_pvt *pvt, *tmp; - - list_for_each_entry_safe(pvt, tmp, &ghes_reglist, list) { - if (ghes == pvt->ghes) { - mci = pvt->mci; - edac_mc_del_mc(mci->pdev); - edac_mc_free(mci); - list_del(&pvt->list); - } - } + + mci = ghes_pvt->mci; + edac_mc_del_mc(mci->pdev); + edac_mc_free(mci); } -EXPORT_SYMBOL_GPL(ghes_edac_unregister); diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index c16c3b931b3d..8c5540160a23 100644 --- a/drivers/edac/i7core_edac.c +++ b/drivers/edac/i7core_edac.c @@ -2159,8 +2159,13 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev) mci->edac_ctl_cap = EDAC_FLAG_NONE; mci->edac_cap = EDAC_FLAG_NONE; mci->mod_name = "i7core_edac.c"; - mci->ctl_name = kasprintf(GFP_KERNEL, "i7 core #%d", - i7core_dev->socket); + + mci->ctl_name = kasprintf(GFP_KERNEL, "i7 core #%d", i7core_dev->socket); + if (!mci->ctl_name) { + rc = -ENOMEM; + goto fail1; + } + mci->dev_name = pci_name(i7core_dev->pdev[0]); mci->ctl_page_to_phys = NULL; @@ -2214,6 +2219,8 @@ static int i7core_register_mci(struct i7core_dev *i7core_dev) fail0: kfree(mci->ctl_name); + +fail1: edac_mc_free(mci); i7core_dev->mci = NULL; return rc; diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h index 0b6a68673e0e..4e9c5e596c6c 100644 --- a/drivers/edac/mce_amd.h +++ b/drivers/edac/mce_amd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _EDAC_MCE_AMD_H #define _EDAC_MCE_AMD_H diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c index 4395c84cdcbf..df28b65358d2 100644 --- a/drivers/edac/pnd2_edac.c +++ b/drivers/edac/pnd2_edac.c @@ -45,6 +45,8 @@ #include "edac_module.h" #include "pnd2_edac.h" +#define EDAC_MOD_STR "pnd2_edac" + #define APL_NUM_CHANNELS 4 #define DNV_NUM_CHANNELS 2 #define DNV_MAX_DIMMS 2 /* Max DIMMs per channel */ @@ -1355,7 +1357,7 @@ static int pnd2_register_mci(struct mem_ctl_info **ppmci) pvt = mci->pvt_info; memset(pvt, 0, sizeof(*pvt)); - mci->mod_name = "pnd2_edac.c"; + mci->mod_name = EDAC_MOD_STR; mci->dev_name = ops->name; mci->ctl_name = "Pondicherry2"; @@ -1547,10 +1549,15 @@ MODULE_DEVICE_TABLE(x86cpu, pnd2_cpuids); static int __init pnd2_init(void) { const struct x86_cpu_id *id; + const char *owner; int rc; edac_dbg(2, "\n"); + owner = edac_get_owner(); + if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR))) + return -EBUSY; + id = x86_match_cpu(pnd2_cpuids); if (!id) return -ENODEV; diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index dc0591654011..f34430f99fd8 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -36,7 +36,7 @@ static LIST_HEAD(sbridge_edac_list); * Alter this version for the module when modifications are made */ #define SBRIDGE_REVISION " Ver: 1.1.2 " -#define EDAC_MOD_STR "sbridge_edac" +#define EDAC_MOD_STR "sb_edac" /* * Debug macros @@ -462,6 +462,7 @@ static const struct pci_id_table pci_dev_descr_sbridge_table[] = { static const struct pci_id_descr pci_dev_descr_ibridge[] = { /* Processor Home Agent */ { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0, 0, IMC0) }, + { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1, IMC1) }, /* Memory controller */ { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA, 0, IMC0) }, @@ -472,7 +473,6 @@ static const struct pci_id_descr pci_dev_descr_ibridge[] = { { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TAD3, 0, IMC0) }, /* Optional, mode 2HA */ - { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1, 1, IMC1) }, { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA, 1, IMC1) }, { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS, 1, IMC1) }, { PCI_DESCR(PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TAD0, 1, IMC1) }, @@ -1318,9 +1318,7 @@ static int knl_get_dimm_capacity(struct sbridge_pvt *pvt, u64 *mc_sizes) int cur_reg_start; int mc; int channel; - int way; int participants[KNL_MAX_CHANNELS]; - int participant_count = 0; for (i = 0; i < KNL_MAX_CHANNELS; i++) mc_sizes[i] = 0; @@ -1495,21 +1493,14 @@ static int knl_get_dimm_capacity(struct sbridge_pvt *pvt, u64 *mc_sizes) * this channel mapped to the given target? */ for (channel = 0; channel < KNL_MAX_CHANNELS; channel++) { - for (way = 0; way < intrlv_ways; way++) { - int target; - int cha; - - if (KNL_MOD3(dram_rule)) - target = way; - else - target = 0x7 & sad_pkg( - pvt->info.interleave_pkg, interleave_reg, way); + int target; + int cha; + for (target = 0; target < KNL_MAX_CHANNELS; target++) { for (cha = 0; cha < KNL_MAX_CHAS; cha++) { if (knl_get_mc_route(target, mc_route_reg[cha]) == channel && !participants[channel]) { - participant_count++; participants[channel] = 1; break; } @@ -1517,10 +1508,6 @@ static int knl_get_dimm_capacity(struct sbridge_pvt *pvt, u64 *mc_sizes) } } - if (participant_count != intrlv_ways) - edac_dbg(0, "participant_count (%d) != interleave_ways (%d): DIMM size may be incorrect\n", - participant_count, intrlv_ways); - for (channel = 0; channel < KNL_MAX_CHANNELS; channel++) { mc = knl_channel_mc(channel); if (participants[channel]) { @@ -2291,6 +2278,13 @@ static int sbridge_get_onedevice(struct pci_dev **prev, next_imc: sbridge_dev = get_sbridge_dev(bus, dev_descr->dom, multi_bus, sbridge_dev); if (!sbridge_dev) { + /* If the HA1 wasn't found, don't create EDAC second memory controller */ + if (dev_descr->dom == IMC1 && devno != 1) { + edac_dbg(0, "Skip IMC1: %04x:%04x (since HA1 was absent)\n", + PCI_VENDOR_ID_INTEL, dev_descr->dev_id); + pci_dev_put(pdev); + return 0; + } if (dev_descr->dom == SOCK) goto out_imc; @@ -2491,6 +2485,7 @@ static int ibridge_mci_bind_devs(struct mem_ctl_info *mci, case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_TA: case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_TA: pvt->pci_ta = pdev; + break; case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA0_RAS: case PCI_DEVICE_ID_INTEL_IBRIDGE_IMC_HA1_RAS: pvt->pci_ras = pdev; @@ -3155,7 +3150,7 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) MEM_FLAG_DDR4 : MEM_FLAG_DDR3; mci->edac_ctl_cap = EDAC_FLAG_NONE; mci->edac_cap = EDAC_FLAG_NONE; - mci->mod_name = "sb_edac.c"; + mci->mod_name = EDAC_MOD_STR; mci->dev_name = pci_name(pdev); mci->ctl_page_to_phys = NULL; @@ -3287,6 +3282,11 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type) break; } + if (!mci->ctl_name) { + rc = -ENOMEM; + goto fail0; + } + /* Get dimm basic config and the memory layout */ rc = get_dimm_config(mci); if (rc < 0) { @@ -3402,10 +3402,15 @@ static void sbridge_remove(void) static int __init sbridge_init(void) { const struct x86_cpu_id *id; + const char *owner; int rc; edac_dbg(2, "\n"); + owner = edac_get_owner(); + if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR))) + return -EBUSY; + id = x86_match_cpu(sbridge_cpuids); if (!id) return -ENODEV; diff --git a/drivers/edac/skx_edac.c b/drivers/edac/skx_edac.c index 16dea97568a1..912c4930c9ef 100644 --- a/drivers/edac/skx_edac.c +++ b/drivers/edac/skx_edac.c @@ -31,6 +31,8 @@ #include "edac_module.h" +#define EDAC_MOD_STR "skx_edac" + /* * Debug macros */ @@ -65,6 +67,7 @@ static u64 skx_tolm, skx_tohm; struct skx_dev { struct list_head list; u8 bus[4]; + int seg; struct pci_dev *sad_all; struct pci_dev *util_all; u32 mcroute; @@ -110,12 +113,12 @@ struct decoded_addr { int bank_group; }; -static struct skx_dev *get_skx_dev(u8 bus, u8 idx) +static struct skx_dev *get_skx_dev(struct pci_bus *bus, u8 idx) { struct skx_dev *d; list_for_each_entry(d, &skx_edac_list, list) { - if (d->bus[idx] == bus) + if (d->seg == pci_domain_nr(bus) && d->bus[idx] == bus->number) return d; } @@ -172,6 +175,7 @@ static int get_all_bus_mappings(void) pci_dev_put(pdev); return -ENOMEM; } + d->seg = pci_domain_nr(pdev->bus); pci_read_config_dword(pdev, 0xCC, ®); d->bus[0] = GET_BITFIELD(reg, 0, 7); d->bus[1] = GET_BITFIELD(reg, 8, 15); @@ -207,7 +211,7 @@ static int get_all_munits(const struct munit *m) if (i == NUM_IMC) goto fail; } - d = get_skx_dev(pdev->bus->number, m->busidx); + d = get_skx_dev(pdev->bus, m->busidx); if (!d) goto fail; @@ -299,7 +303,7 @@ static int get_dimm_attr(u32 reg, int lobit, int hibit, int add, int minval, #define IS_DIMM_PRESENT(mtr) GET_BITFIELD((mtr), 15, 15) -#define numrank(reg) get_dimm_attr((reg), 12, 13, 0, 1, 2, "ranks") +#define numrank(reg) get_dimm_attr((reg), 12, 13, 0, 0, 2, "ranks") #define numrow(reg) get_dimm_attr((reg), 2, 4, 12, 1, 6, "rows") #define numcol(reg) get_dimm_attr((reg), 0, 1, 10, 0, 2, "cols") @@ -360,7 +364,7 @@ static int get_dimm_info(u32 mtr, u32 amap, struct dimm_info *dimm, edac_dbg(0, "mc#%d: channel %d, dimm %d, %lld Mb (%d pages) bank: %d, rank: %d, row: %#x, col: %#x\n", imc->mc, chan, dimmno, size, npages, - banks, ranks, rows, cols); + banks, 1 << ranks, rows, cols); imc->chan[chan].dimms[dimmno].close_pg = GET_BITFIELD(mtr, 0, 0); imc->chan[chan].dimms[dimmno].bank_xor_enable = GET_BITFIELD(mtr, 9, 9); @@ -464,12 +468,16 @@ static int skx_register_mci(struct skx_imc *imc) pvt = mci->pvt_info; pvt->imc = imc; - mci->ctl_name = kasprintf(GFP_KERNEL, "Skylake Socket#%d IMC#%d", - imc->node_id, imc->lmc); + mci->ctl_name = kasprintf(GFP_KERNEL, "Skylake Socket#%d IMC#%d", imc->node_id, imc->lmc); + if (!mci->ctl_name) { + rc = -ENOMEM; + goto fail0; + } + mci->mtype_cap = MEM_FLAG_DDR4; mci->edac_ctl_cap = EDAC_FLAG_NONE; mci->edac_cap = EDAC_FLAG_NONE; - mci->mod_name = "skx_edac.c"; + mci->mod_name = EDAC_MOD_STR; mci->dev_name = pci_name(imc->chan[0].cdev); mci->ctl_page_to_phys = NULL; @@ -491,6 +499,7 @@ static int skx_register_mci(struct skx_imc *imc) fail: kfree(mci->ctl_name); +fail0: edac_mc_free(mci); imc->mci = NULL; return rc; @@ -1039,12 +1048,17 @@ static int __init skx_init(void) { const struct x86_cpu_id *id; const struct munit *m; + const char *owner; int rc = 0, i; u8 mc = 0, src_id, node_id; struct skx_dev *d; edac_dbg(2, "\n"); + owner = edac_get_owner(); + if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR))) + return -EBUSY; + id = x86_match_cpu(skx_cpuids); if (!id) return -ENODEV; diff --git a/drivers/edac/thunderx_edac.c b/drivers/edac/thunderx_edac.c index f35d87519a3e..4803c6468bab 100644 --- a/drivers/edac/thunderx_edac.c +++ b/drivers/edac/thunderx_edac.c @@ -639,27 +639,6 @@ err_free: return ret; } -#ifdef CONFIG_PM -static int thunderx_lmc_suspend(struct pci_dev *pdev, pm_message_t state) -{ - pci_save_state(pdev); - pci_disable_device(pdev); - - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - - return 0; -} - -static int thunderx_lmc_resume(struct pci_dev *pdev) -{ - pci_set_power_state(pdev, PCI_D0); - pci_enable_wake(pdev, PCI_D0, 0); - pci_restore_state(pdev); - - return 0; -} -#endif - static const struct pci_device_id thunderx_lmc_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, PCI_DEVICE_ID_THUNDER_LMC) }, { 0, }, @@ -834,10 +813,6 @@ static struct pci_driver thunderx_lmc_driver = { .name = "thunderx_lmc_edac", .probe = thunderx_lmc_probe, .remove = thunderx_lmc_remove, -#ifdef CONFIG_PM - .suspend = thunderx_lmc_suspend, - .resume = thunderx_lmc_resume, -#endif .id_table = thunderx_lmc_pci_tbl, }; diff --git a/drivers/eisa/Makefile b/drivers/eisa/Makefile index 5369ce957c6d..a1dd0eaec2d4 100644 --- a/drivers/eisa/Makefile +++ b/drivers/eisa/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Linux device tree obj-$(CONFIG_EISA) += eisa-bus.o diff --git a/drivers/extcon/Makefile b/drivers/extcon/Makefile index a73624e76193..0888fdeded72 100644 --- a/drivers/extcon/Makefile +++ b/drivers/extcon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for external connector class (extcon) devices # diff --git a/drivers/extcon/extcon.h b/drivers/extcon/extcon.h index cc1b436eb66a..93b5e0306966 100644 --- a/drivers/extcon/extcon.h +++ b/drivers/extcon/extcon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_EXTCON_INTERNAL_H__ #define __LINUX_EXTCON_INTERNAL_H__ diff --git a/drivers/firewire/Makefile b/drivers/firewire/Makefile index e3870d5c43dd..e58c8c794778 100644 --- a/drivers/firewire/Makefile +++ b/drivers/firewire/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux IEEE 1394 implementation # diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index d6a09b9cd8cc..4372f9e4b0da 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -137,9 +137,9 @@ int fw_cancel_transaction(struct fw_card *card, } EXPORT_SYMBOL(fw_cancel_transaction); -static void split_transaction_timeout_callback(unsigned long data) +static void split_transaction_timeout_callback(struct timer_list *timer) { - struct fw_transaction *t = (struct fw_transaction *)data; + struct fw_transaction *t = from_timer(t, timer, split_timeout_timer); struct fw_card *card = t->card; unsigned long flags; @@ -373,8 +373,8 @@ void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode, t->tlabel = tlabel; t->card = card; t->is_split_transaction = false; - setup_timer(&t->split_timeout_timer, - split_transaction_timeout_callback, (unsigned long)t); + timer_setup(&t->split_timeout_timer, + split_transaction_timeout_callback, 0); t->callback = callback; t->callback_data = callback_data; @@ -423,7 +423,7 @@ int fw_run_transaction(struct fw_card *card, int tcode, int destination_id, struct transaction_callback_data d; struct fw_transaction t; - init_timer_on_stack(&t.split_timeout_timer); + timer_setup_on_stack(&t.split_timeout_timer, NULL, 0); init_completion(&d.done); d.payload = payload; fw_send_request(card, &t, tcode, destination_id, generation, speed, diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h index c07962ead5e4..0f0bed3a4bbb 100644 --- a/drivers/firewire/core.h +++ b/drivers/firewire/core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FIREWIRE_CORE_H #define _FIREWIRE_CORE_H diff --git a/drivers/firewire/nosy-user.h b/drivers/firewire/nosy-user.h index e48aa6200c72..3446c5b772e5 100644 --- a/drivers/firewire/nosy-user.h +++ b/drivers/firewire/nosy-user.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __nosy_user_h #define __nosy_user_h diff --git a/drivers/firewire/nosy.h b/drivers/firewire/nosy.h index 078ff27f4756..4078d69e93f8 100644 --- a/drivers/firewire/nosy.h +++ b/drivers/firewire/nosy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Chip register definitions for PCILynx chipset. Based on pcilynx.h * from the Linux 1394 drivers, but modified a bit so the names here diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 8bf89267dc25..ccf52368a073 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -734,7 +734,7 @@ static unsigned int ar_search_last_active_buffer(struct ar_context *ctx, __le16 res_count, next_res_count; i = ar_first_buffer_index(ctx); - res_count = ACCESS_ONCE(ctx->descriptors[i].res_count); + res_count = READ_ONCE(ctx->descriptors[i].res_count); /* A buffer that is not yet completely filled must be the last one. */ while (i != last && res_count == 0) { @@ -742,8 +742,7 @@ static unsigned int ar_search_last_active_buffer(struct ar_context *ctx, /* Peek at the next descriptor. */ next_i = ar_next_buffer_index(i); rmb(); /* read descriptors in order */ - next_res_count = ACCESS_ONCE( - ctx->descriptors[next_i].res_count); + next_res_count = READ_ONCE(ctx->descriptors[next_i].res_count); /* * If the next descriptor is still empty, we must stop at this * descriptor. @@ -759,8 +758,7 @@ static unsigned int ar_search_last_active_buffer(struct ar_context *ctx, if (MAX_AR_PACKET_SIZE > PAGE_SIZE && i != last) { next_i = ar_next_buffer_index(next_i); rmb(); - next_res_count = ACCESS_ONCE( - ctx->descriptors[next_i].res_count); + next_res_count = READ_ONCE(ctx->descriptors[next_i].res_count); if (next_res_count != cpu_to_le16(PAGE_SIZE)) goto next_buffer_is_active; } @@ -2812,7 +2810,7 @@ static int handle_ir_buffer_fill(struct context *context, u32 buffer_dma; req_count = le16_to_cpu(last->req_count); - res_count = le16_to_cpu(ACCESS_ONCE(last->res_count)); + res_count = le16_to_cpu(READ_ONCE(last->res_count)); completed = req_count - res_count; buffer_dma = le32_to_cpu(last->data_address); diff --git a/drivers/firewire/ohci.h b/drivers/firewire/ohci.h index ef5e7336da68..c4d005a9901a 100644 --- a/drivers/firewire/ohci.h +++ b/drivers/firewire/ohci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FIREWIRE_OHCI_H #define _FIREWIRE_OHCI_H diff --git a/drivers/firmware/Makefile b/drivers/firmware/Makefile index a37f12e8d137..feaa890197f3 100644 --- a/drivers/firmware/Makefile +++ b/drivers/firmware/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the linux kernel. # diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile index 0329d319d89a..269501dfba53 100644 --- a/drivers/firmware/efi/Makefile +++ b/drivers/firmware/efi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for linux kernel # diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index dedf9bde44db..adaa4a964f0c 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # The stub may be linked into the kernel proper or into a separate boot binary, # but in either case, it executes before the kernel does (with MMU disabled) so @@ -33,13 +34,14 @@ lib-y := efi-stub-helper.o gop.o secureboot.o lib-$(CONFIG_RESET_ATTACK_MITIGATION) += tpm.o # include the stub's generic dependencies from lib/ when building for ARM/arm64 -arm-deps := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c sort.c +arm-deps-y := fdt_rw.c fdt_ro.c fdt_wip.c fdt.c fdt_empty_tree.c fdt_sw.c +arm-deps-$(CONFIG_ARM64) += sort.c $(obj)/lib-%.o: $(srctree)/lib/%.c FORCE $(call if_changed_rule,cc_o_c) lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o string.o random.o \ - $(patsubst %.c,lib-%.o,$(arm-deps)) + $(patsubst %.c,lib-%.o,$(arm-deps-y)) lib-$(CONFIG_ARM) += arm32-stub.o lib-$(CONFIG_ARM64) += arm64-stub.o @@ -90,5 +92,4 @@ quiet_cmd_stubcopy = STUBCPY $@ # explicitly by the decompressor linker script. # STUBCOPY_FLAGS-$(CONFIG_ARM) += --rename-section .data=.data.efistub -STUBCOPY_RM-$(CONFIG_ARM) += -R ___ksymtab+sort -R ___kcrctab+sort STUBCOPY_RELOC-$(CONFIG_ARM) := R_ARM_ABS diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c index 1cb2d1c070c3..01a9d78ee415 100644 --- a/drivers/firmware/efi/libstub/arm-stub.c +++ b/drivers/firmware/efi/libstub/arm-stub.c @@ -238,7 +238,8 @@ unsigned long efi_entry(void *handle, efi_system_table_t *sys_table, efi_random_get_seed(sys_table); - if (!nokaslr()) { + /* hibernation expects the runtime regions to stay in the same place */ + if (!IS_ENABLED(CONFIG_HIBERNATION) && !nokaslr()) { /* * Randomize the base of the UEFI runtime services region. * Preserve the 2 MB alignment of the region by taking a @@ -349,7 +350,9 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, * The easiest way to find adjacent regions is to sort the memory map * before traversing it. */ - sort(memory_map, map_size / desc_size, desc_size, cmp_mem_desc, NULL); + if (IS_ENABLED(CONFIG_ARM64)) + sort(memory_map, map_size / desc_size, desc_size, cmp_mem_desc, + NULL); for (l = 0; l < map_size; l += desc_size, prev = in) { u64 paddr, size; @@ -366,7 +369,8 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size, * a 4k page size kernel to kexec a 64k page size kernel and * vice versa. */ - if (!regions_are_adjacent(prev, in) || + if ((IS_ENABLED(CONFIG_ARM64) && + !regions_are_adjacent(prev, in)) || !regions_have_compatible_memory_type_attrs(prev, in)) { paddr = round_down(in->phys_addr, SZ_64K); diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h index 83f268c05007..f59564b72ddc 100644 --- a/drivers/firmware/efi/libstub/efistub.h +++ b/drivers/firmware/efi/libstub/efistub.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DRIVERS_FIRMWARE_EFI_EFISTUB_H #define _DRIVERS_FIRMWARE_EFI_EFISTUB_H diff --git a/drivers/firmware/efi/libstub/string.c b/drivers/firmware/efi/libstub/string.c index 09d5a0894343..ed10e3f602c5 100644 --- a/drivers/firmware/efi/libstub/string.c +++ b/drivers/firmware/efi/libstub/string.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Taken from: * linux/lib/string.c diff --git a/drivers/firmware/efi/memmap.c b/drivers/firmware/efi/memmap.c index 78686443cb37..5fc70520e04c 100644 --- a/drivers/firmware/efi/memmap.c +++ b/drivers/firmware/efi/memmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Common EFI memory map functions. */ diff --git a/drivers/firmware/efi/reboot.c b/drivers/firmware/efi/reboot.c index 22874544d301..7effff969eb9 100644 --- a/drivers/firmware/efi/reboot.c +++ b/drivers/firmware/efi/reboot.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Intel Corporation; author Matt Fleming * Copyright (c) 2014 Red Hat, Inc., Mark Salter <msalter@redhat.com> diff --git a/drivers/firmware/efi/test/efi_test.c b/drivers/firmware/efi/test/efi_test.c index 08129b7b80ab..41c48a1e8baa 100644 --- a/drivers/firmware/efi/test/efi_test.c +++ b/drivers/firmware/efi/test/efi_test.c @@ -593,6 +593,9 @@ static long efi_runtime_query_capsulecaps(unsigned long arg) if (copy_from_user(&qcaps, qcaps_user, sizeof(qcaps))) return -EFAULT; + if (qcaps.capsule_count == ULONG_MAX) + return -EINVAL; + capsules = kcalloc(qcaps.capsule_count + 1, sizeof(efi_capsule_header_t), GFP_KERNEL); if (!capsules) diff --git a/drivers/firmware/efi/test/efi_test.h b/drivers/firmware/efi/test/efi_test.h index a33a6c633852..9812c6a02b40 100644 --- a/drivers/firmware/efi/test/efi_test.h +++ b/drivers/firmware/efi/test/efi_test.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * EFI Test driver Header * diff --git a/drivers/firmware/google/Makefile b/drivers/firmware/google/Makefile index bc4de02202ad..dcd3675efcfc 100644 --- a/drivers/firmware/google/Makefile +++ b/drivers/firmware/google/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_GOOGLE_SMI) += gsmi.o obj-$(CONFIG_GOOGLE_COREBOOT_TABLE) += coreboot_table.o diff --git a/drivers/firmware/tegra/ivc.c b/drivers/firmware/tegra/ivc.c index a01461d63f68..00de793e6423 100644 --- a/drivers/firmware/tegra/ivc.c +++ b/drivers/firmware/tegra/ivc.c @@ -99,11 +99,11 @@ static inline bool tegra_ivc_empty(struct tegra_ivc *ivc, { /* * This function performs multiple checks on the same values with - * security implications, so create snapshots with ACCESS_ONCE() to + * security implications, so create snapshots with READ_ONCE() to * ensure that these checks use the same values. */ - u32 tx = ACCESS_ONCE(header->tx.count); - u32 rx = ACCESS_ONCE(header->rx.count); + u32 tx = READ_ONCE(header->tx.count); + u32 rx = READ_ONCE(header->rx.count); /* * Perform an over-full check to prevent denial of service attacks @@ -124,8 +124,8 @@ static inline bool tegra_ivc_empty(struct tegra_ivc *ivc, static inline bool tegra_ivc_full(struct tegra_ivc *ivc, struct tegra_ivc_header *header) { - u32 tx = ACCESS_ONCE(header->tx.count); - u32 rx = ACCESS_ONCE(header->rx.count); + u32 tx = READ_ONCE(header->tx.count); + u32 rx = READ_ONCE(header->rx.count); /* * Invalid cases where the counters indicate that the queue is over @@ -137,8 +137,8 @@ static inline bool tegra_ivc_full(struct tegra_ivc *ivc, static inline u32 tegra_ivc_available(struct tegra_ivc *ivc, struct tegra_ivc_header *header) { - u32 tx = ACCESS_ONCE(header->tx.count); - u32 rx = ACCESS_ONCE(header->rx.count); + u32 tx = READ_ONCE(header->tx.count); + u32 rx = READ_ONCE(header->rx.count); /* * This function isn't expected to be used in scenarios where an @@ -151,8 +151,8 @@ static inline u32 tegra_ivc_available(struct tegra_ivc *ivc, static inline void tegra_ivc_advance_tx(struct tegra_ivc *ivc) { - ACCESS_ONCE(ivc->tx.channel->tx.count) = - ACCESS_ONCE(ivc->tx.channel->tx.count) + 1; + WRITE_ONCE(ivc->tx.channel->tx.count, + READ_ONCE(ivc->tx.channel->tx.count) + 1); if (ivc->tx.position == ivc->num_frames - 1) ivc->tx.position = 0; @@ -162,8 +162,8 @@ static inline void tegra_ivc_advance_tx(struct tegra_ivc *ivc) static inline void tegra_ivc_advance_rx(struct tegra_ivc *ivc) { - ACCESS_ONCE(ivc->rx.channel->rx.count) = - ACCESS_ONCE(ivc->rx.channel->rx.count) + 1; + WRITE_ONCE(ivc->rx.channel->rx.count, + READ_ONCE(ivc->rx.channel->rx.count) + 1); if (ivc->rx.position == ivc->num_frames - 1) ivc->rx.position = 0; @@ -428,7 +428,7 @@ int tegra_ivc_notified(struct tegra_ivc *ivc) /* Copy the receiver's state out of shared memory. */ tegra_ivc_invalidate(ivc, ivc->rx.phys + offset); - state = ACCESS_ONCE(ivc->rx.channel->tx.state); + state = READ_ONCE(ivc->rx.channel->tx.state); if (state == TEGRA_IVC_STATE_SYNC) { offset = offsetof(struct tegra_ivc_header, tx.count); diff --git a/drivers/fmc/Makefile b/drivers/fmc/Makefile index e809322e1bac..e3da6192cf39 100644 --- a/drivers/fmc/Makefile +++ b/drivers/fmc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FMC) += fmc.o diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile index e09895f0525b..f98dcf1d89e1 100644 --- a/drivers/fpga/Makefile +++ b/drivers/fpga/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the fpga framework and fpga manager drivers. # diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index aeb70e9de6f2..8a2dfba3b231 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # generic gpio support: platform drivers, dedicated expander chips, etc ccflags-$(CONFIG_DEBUG_GPIO) += -DDEBUG diff --git a/drivers/gpio/gpio-etraxfs.c b/drivers/gpio/gpio-etraxfs.c index 14c6aac26780..94db1bf4bfdb 100644 --- a/drivers/gpio/gpio-etraxfs.c +++ b/drivers/gpio/gpio-etraxfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/init.h> #include <linux/gpio/driver.h> diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c index e9386f8b67f5..139f73d3f4ba 100644 --- a/drivers/gpio/gpio-ftgpio010.c +++ b/drivers/gpio/gpio-ftgpio010.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Faraday Technolog FTGPIO010 gpiochip and interrupt routines * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> diff --git a/drivers/gpio/gpio-xgene-sb.c b/drivers/gpio/gpio-xgene-sb.c index 033258634b8c..b5843fe6a44d 100644 --- a/drivers/gpio/gpio-xgene-sb.c +++ b/drivers/gpio/gpio-xgene-sb.c @@ -140,8 +140,9 @@ static int xgene_gpio_sb_to_irq(struct gpio_chip *gc, u32 gpio) return irq_create_fwspec_mapping(&fwspec); } -static void xgene_gpio_sb_domain_activate(struct irq_domain *d, - struct irq_data *irq_data) +static int xgene_gpio_sb_domain_activate(struct irq_domain *d, + struct irq_data *irq_data, + bool early) { struct xgene_gpio_sb *priv = d->host_data; u32 gpio = HWIRQ_TO_GPIO(priv, irq_data->hwirq); @@ -150,11 +151,12 @@ static void xgene_gpio_sb_domain_activate(struct irq_domain *d, dev_err(priv->gc.parent, "Unable to configure XGene GPIO standby pin %d as IRQ\n", gpio); - return; + return -ENOSPC; } xgene_gpio_set_bit(&priv->gc, priv->regs + MPA_GPIO_SEL_LO, gpio * 2, 1); + return 0; } static void xgene_gpio_sb_domain_deactivate(struct irq_domain *d, diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index a8acc197dec3..8ce07039bb89 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 658bac0cdc5e..567b0377e1e2 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 333bad749067..303b5e099a98 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -260,7 +260,7 @@ static void amdgpu_fence_fallback(unsigned long arg) */ int amdgpu_fence_wait_empty(struct amdgpu_ring *ring) { - uint64_t seq = ACCESS_ONCE(ring->fence_drv.sync_seq); + uint64_t seq = READ_ONCE(ring->fence_drv.sync_seq); struct dma_fence *fence, **ptr; int r; @@ -300,7 +300,7 @@ unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring) amdgpu_fence_process(ring); emitted = 0x100000000ull; emitted -= atomic_read(&ring->fence_drv.last_seq); - emitted += ACCESS_ONCE(ring->fence_drv.sync_seq); + emitted += READ_ONCE(ring->fence_drv.sync_seq); return lower_32_bits(emitted); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 7171968f261e..6149a47fe63d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -788,11 +788,11 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data) seq_printf(m, "\t0x%08x: %12ld byte %s", id, amdgpu_bo_size(bo), placement); - offset = ACCESS_ONCE(bo->tbo.mem.start); + offset = READ_ONCE(bo->tbo.mem.start); if (offset != AMDGPU_BO_INVALID_OFFSET) seq_printf(m, " @ 0x%010Lx", offset); - pin_count = ACCESS_ONCE(bo->pin_count); + pin_count = READ_ONCE(bo->pin_count); if (pin_count) seq_printf(m, " pin count %d", pin_count); seq_printf(m, "\n"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h index 1c88bd5e29ad..34c99a3c8d2d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_AMDGPU_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) #define _AMDGPU_TRACE_H_ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c index 385b7e1d72f9..89680d554ed8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_trace_points.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Copyright Red Hat Inc 2010. * Author : Dave Airlie <airlied@redhat.com> */ diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c index 31db356476f8..62cd16a23921 100644 --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c @@ -93,6 +93,10 @@ static int uvd_v6_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + if (!(adev->flags & AMD_IS_APU) && + (RREG32_SMC(ixCC_HARVEST_FUSES) & CC_HARVEST_FUSES__UVD_DISABLE_MASK)) + return -ENOENT; + uvd_v6_0_set_ring_funcs(adev); uvd_v6_0_set_irq_funcs(adev); @@ -225,11 +229,7 @@ static int uvd_v6_0_suspend(void *handle) if (r) return r; - /* Skip this for APU for now */ - if (!(adev->flags & AMD_IS_APU)) - r = amdgpu_uvd_suspend(adev); - - return r; + return amdgpu_uvd_suspend(adev); } static int uvd_v6_0_resume(void *handle) @@ -237,12 +237,10 @@ static int uvd_v6_0_resume(void *handle) int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; - /* Skip this for APU for now */ - if (!(adev->flags & AMD_IS_APU)) { - r = amdgpu_uvd_resume(adev); - if (r) - return r; - } + r = amdgpu_uvd_resume(adev); + if (r) + return r; + return uvd_v6_0_hw_init(adev); } diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index 90332f55cfba..cf81065e3c5a 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -365,15 +365,10 @@ static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) { u32 tmp; - /* Fiji, Stoney, Polaris10, Polaris11, Polaris12 are single pipe */ if ((adev->asic_type == CHIP_FIJI) || - (adev->asic_type == CHIP_STONEY) || - (adev->asic_type == CHIP_POLARIS10) || - (adev->asic_type == CHIP_POLARIS11) || - (adev->asic_type == CHIP_POLARIS12)) + (adev->asic_type == CHIP_STONEY)) return AMDGPU_VCE_HARVEST_VCE1; - /* Tonga and CZ are dual or single pipe */ if (adev->flags & AMD_IS_APU) tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) & VCE_HARVEST_FUSE_MACRO__MASK) >> @@ -391,6 +386,11 @@ static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) case 3: return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1; default: + if ((adev->asic_type == CHIP_POLARIS10) || + (adev->asic_type == CHIP_POLARIS11) || + (adev->asic_type == CHIP_POLARIS12)) + return AMDGPU_VCE_HARVEST_VCE1; + return 0; } } diff --git a/drivers/gpu/drm/amd/amdkfd/Makefile b/drivers/gpu/drm/amd/amdkfd/Makefile index b400d5664252..7bb0bc0ca3d6 100644 --- a/drivers/gpu/drm/amd/amdkfd/Makefile +++ b/drivers/gpu/drm/amd/amdkfd/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Heterogenous System Architecture support for AMD GPU devices # diff --git a/drivers/gpu/drm/amd/powerplay/Makefile b/drivers/gpu/drm/amd/powerplay/Makefile index 4e132b936e3d..72d5f50508b6 100644 --- a/drivers/gpu/drm/amd/powerplay/Makefile +++ b/drivers/gpu/drm/amd/powerplay/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += \ -I$(FULL_AMD_PATH)/powerplay/inc/ \ diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile index f0277c16c2bf..d13fdadbbf9e 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the 'hw manager' sub-component of powerplay. # It provides the hardware management services for the driver. diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c index d09f25485844..e0766c5e3d74 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_overdriver.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "pp_overdriver.h" #include <linux/errno.h> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index c2743233ba10..b526f49be65d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -830,7 +830,7 @@ uint32_t smu7_get_xclk(struct pp_hwmgr *hwmgr) { uint32_t reference_clock, tmp; struct cgs_display_info info = {0}; - struct cgs_mode_info mode_info; + struct cgs_mode_info mode_info = {0}; info.mode_info = &mode_info; @@ -3948,10 +3948,9 @@ static int smu7_program_display_gap(struct pp_hwmgr *hwmgr) uint32_t ref_clock; uint32_t refresh_rate = 0; struct cgs_display_info info = {0}; - struct cgs_mode_info mode_info; + struct cgs_mode_info mode_info = {0}; info.mode_info = &mode_info; - cgs_get_active_displays_info(hwmgr->device, &info); num_active_displays = info.display_count; @@ -3967,6 +3966,7 @@ static int smu7_program_display_gap(struct pp_hwmgr *hwmgr) frame_time_in_us = 1000000 / refresh_rate; pre_vbi_time_in_us = frame_time_in_us - 200 - mode_info.vblank_time_us; + data->frame_time_x2 = frame_time_in_us * 2 / 100; display_gap2 = pre_vbi_time_in_us * (ref_clock / 100); diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu72.h b/drivers/gpu/drm/amd/powerplay/inc/smu72.h index b73d6b59ac32..08cd70c75d8b 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/smu72.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu72.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SMU72_H #define SMU72_H diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h b/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h index 98f76e925e65..b2edbc0c3c4d 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h +++ b/drivers/gpu/drm/amd/powerplay/inc/smu72_discrete.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SMU72_DISCRETE_H #define SMU72_DISCRETE_H diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile index 1703bbefbfd5..e7ad45297b1d 100644 --- a/drivers/gpu/drm/amd/powerplay/smumgr/Makefile +++ b/drivers/gpu/drm/amd/powerplay/smumgr/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the 'smu manager' sub-component of powerplay. # It provides the smu management services for the driver. diff --git a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h index 8bd38102b58e..283a0dc25e84 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_sched_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_GPU_SCHED_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) #define _GPU_SCHED_TRACE_H_ diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 38cea6fb25a8..a25f6c72f219 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -187,7 +187,7 @@ static bool amd_sched_entity_is_ready(struct amd_sched_entity *entity) if (kfifo_is_empty(&entity->job_queue)) return false; - if (ACCESS_ONCE(entity->dependency)) + if (READ_ONCE(entity->dependency)) return false; return true; diff --git a/drivers/gpu/drm/arm/hdlcd_drv.h b/drivers/gpu/drm/arm/hdlcd_drv.h index e3950a071152..56f34dfff640 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.h +++ b/drivers/gpu/drm/arm/hdlcd_drv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ARM HDLCD Controller register definition */ diff --git a/drivers/gpu/drm/armada/Makefile b/drivers/gpu/drm/armada/Makefile index 64c0b4546fb2..1ab4cf863bf7 100644 --- a/drivers/gpu/drm/armada/Makefile +++ b/drivers/gpu/drm/armada/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 armada-y := armada_crtc.o armada_drv.o armada_fb.o armada_fbdev.o \ armada_gem.o armada_overlay.o armada_trace.o armada-y += armada_510.o diff --git a/drivers/gpu/drm/armada/armada_trace.c b/drivers/gpu/drm/armada/armada_trace.c index 068b336ba75f..c64cce325cdf 100644 --- a/drivers/gpu/drm/armada/armada_trace.c +++ b/drivers/gpu/drm/armada/armada_trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef __CHECKER__ #define CREATE_TRACE_POINTS #include "armada_trace.h" diff --git a/drivers/gpu/drm/armada/armada_trace.h b/drivers/gpu/drm/armada/armada_trace.h index dc0cba70fd1a..1e9f55fc8735 100644 --- a/drivers/gpu/drm/armada/armada_trace.h +++ b/drivers/gpu/drm/armada/armada_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(ARMADA_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) #define ARMADA_TRACE_H diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c index 749646ae365f..4c7375b45281 100644 --- a/drivers/gpu/drm/ast/ast_dp501.c +++ b/drivers/gpu/drm/ast/ast_dp501.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/firmware.h> #include <drm/drmP.h> diff --git a/drivers/gpu/drm/ast/ast_dram_tables.h b/drivers/gpu/drm/ast/ast_dram_tables.h index 1d9c4e75d303..1e9ac9d6d26c 100644 --- a/drivers/gpu/drm/ast/ast_dram_tables.h +++ b/drivers/gpu/drm/ast/ast_dram_tables.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef AST_DRAM_TABLES_H #define AST_DRAM_TABLES_H diff --git a/drivers/gpu/drm/atmel-hlcdc/Makefile b/drivers/gpu/drm/atmel-hlcdc/Makefile index bb5f8507a8ce..49dc89f36b73 100644 --- a/drivers/gpu/drm/atmel-hlcdc/Makefile +++ b/drivers/gpu/drm/atmel-hlcdc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 atmel-hlcdc-dc-y := atmel_hlcdc_crtc.o \ atmel_hlcdc_dc.o \ atmel_hlcdc_output.o \ diff --git a/drivers/gpu/drm/bochs/bochs.h b/drivers/gpu/drm/bochs/bochs.h index 76c490c3cdbc..375bf92cd04f 100644 --- a/drivers/gpu/drm/bochs/bochs.h +++ b/drivers/gpu/drm/bochs/bochs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/io.h> #include <linux/console.h> diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index defcf1e7ca1c..60dab87e4783 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o obj-$(CONFIG_DRM_LVDS_ENCODER) += lvds-encoder.o diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h index fd1f745c6073..63b5756f463b 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-audio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DW_HDMI_AUDIO_H #define DW_HDMI_AUDIO_H diff --git a/drivers/gpu/drm/drm_trace.h b/drivers/gpu/drm/drm_trace.h index 14c5a777682e..a8370775ed50 100644 --- a/drivers/gpu/drm/drm_trace.h +++ b/drivers/gpu/drm/drm_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_DRM_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) #define _DRM_TRACE_H_ diff --git a/drivers/gpu/drm/etnaviv/Makefile b/drivers/gpu/drm/etnaviv/Makefile index 4f76c992043f..ab3f551831d7 100644 --- a/drivers/gpu/drm/etnaviv/Makefile +++ b/drivers/gpu/drm/etnaviv/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 etnaviv-y := \ etnaviv_buffer.o \ etnaviv_cmd_parser.o \ diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index fc9a6a83dfc7..4b152e0d31a6 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -975,9 +975,9 @@ static void hangcheck_timer_reset(struct etnaviv_gpu *gpu) round_jiffies_up(jiffies + DRM_ETNAVIV_HANGCHECK_JIFFIES)); } -static void hangcheck_handler(unsigned long data) +static void hangcheck_handler(struct timer_list *t) { - struct etnaviv_gpu *gpu = (struct etnaviv_gpu *)data; + struct etnaviv_gpu *gpu = from_timer(gpu, t, hangcheck_timer); u32 fence = gpu->completed_fence; bool progress = false; @@ -1648,8 +1648,7 @@ static int etnaviv_gpu_bind(struct device *dev, struct device *master, INIT_WORK(&gpu->recover_work, recover_worker); init_waitqueue_head(&gpu->fence_event); - setup_deferrable_timer(&gpu->hangcheck_timer, hangcheck_handler, - (unsigned long)gpu); + timer_setup(&gpu->hangcheck_timer, hangcheck_handler, TIMER_DEFERRABLE); priv->gpu[priv->num_gpus++] = gpu; diff --git a/drivers/gpu/drm/etnaviv/state.xml.h b/drivers/gpu/drm/etnaviv/state.xml.h index 368218304566..c27c1484cfa9 100644 --- a/drivers/gpu/drm/etnaviv/state.xml.h +++ b/drivers/gpu/drm/etnaviv/state.xml.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef STATE_XML #define STATE_XML diff --git a/drivers/gpu/drm/etnaviv/state_3d.xml.h b/drivers/gpu/drm/etnaviv/state_3d.xml.h index d7146fd13943..73a97d35c51b 100644 --- a/drivers/gpu/drm/etnaviv/state_3d.xml.h +++ b/drivers/gpu/drm/etnaviv/state_3d.xml.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef STATE_3D_XML #define STATE_3D_XML diff --git a/drivers/gpu/drm/etnaviv/state_hi.xml.h b/drivers/gpu/drm/etnaviv/state_hi.xml.h index 43c73e2ed34f..60808daf7e8d 100644 --- a/drivers/gpu/drm/etnaviv/state_hi.xml.h +++ b/drivers/gpu/drm/etnaviv/state_hi.xml.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef STATE_HI_XML #define STATE_HI_XML diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile index f663490e949d..bdf4212dde7b 100644 --- a/drivers/gpu/drm/exynos/Makefile +++ b/drivers/gpu/drm/exynos/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/fsl-dcu/Makefile b/drivers/gpu/drm/fsl-dcu/Makefile index aca34f656bea..b55c4482d0f9 100644 --- a/drivers/gpu/drm/fsl-dcu/Makefile +++ b/drivers/gpu/drm/fsl-dcu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 fsl-dcu-drm-y := fsl_dcu_drm_drv.o \ fsl_dcu_drm_kms.o \ fsl_dcu_drm_rgb.o \ diff --git a/drivers/gpu/drm/gma500/Makefile b/drivers/gpu/drm/gma500/Makefile index c1c8dc18aa53..c8f2c89be99d 100644 --- a/drivers/gpu/drm/gma500/Makefile +++ b/drivers/gpu/drm/gma500/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # KMS driver for the GMA500 # diff --git a/drivers/gpu/drm/gma500/psb_lid.c b/drivers/gpu/drm/gma500/psb_lid.c index 1d2ebb5e530f..be6dda58fcae 100644 --- a/drivers/gpu/drm/gma500/psb_lid.c +++ b/drivers/gpu/drm/gma500/psb_lid.c @@ -23,9 +23,9 @@ #include "psb_intel_reg.h" #include <linux/spinlock.h> -static void psb_lid_timer_func(unsigned long data) +static void psb_lid_timer_func(struct timer_list *t) { - struct drm_psb_private * dev_priv = (struct drm_psb_private *)data; + struct drm_psb_private *dev_priv = from_timer(dev_priv, t, lid_timer); struct drm_device *dev = (struct drm_device *)dev_priv->dev; struct timer_list *lid_timer = &dev_priv->lid_timer; unsigned long irq_flags; @@ -77,10 +77,8 @@ void psb_lid_timer_init(struct drm_psb_private *dev_priv) spin_lock_init(&dev_priv->lid_lock); spin_lock_irqsave(&dev_priv->lid_lock, irq_flags); - init_timer(lid_timer); + timer_setup(lid_timer, psb_lid_timer_func, 0); - lid_timer->data = (unsigned long)dev_priv; - lid_timer->function = psb_lid_timer_func; lid_timer->expires = jiffies + PSB_LID_DELAY; add_timer(lid_timer); diff --git a/drivers/gpu/drm/i2c/Makefile b/drivers/gpu/drm/i2c/Makefile index a77acfc1852e..b20100c18ffb 100644 --- a/drivers/gpu/drm/i2c/Makefile +++ b/drivers/gpu/drm/i2c/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ch7006-y := ch7006_drv.o ch7006_mode.o obj-$(CONFIG_DRM_I2C_CH7006) += ch7006.o diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 892f52b53060..2e034efc4d6d 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/i915/gvt/Makefile b/drivers/gpu/drm/i915/gvt/Makefile index f5486cb94818..2641ba510a61 100644 --- a/drivers/gpu/drm/i915/gvt/Makefile +++ b/drivers/gpu/drm/i915/gvt/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 GVT_DIR := gvt GVT_SOURCE := gvt.o aperture_gm.o handlers.o vgpu.o trace_points.o firmware.o \ interrupt.o gtt.o cfg_space.o opregion.o mmio.o display.o edid.o \ diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 21c36e256884..d4726a3358a4 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -2723,6 +2723,9 @@ static int combine_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) uint32_t per_ctx_start[CACHELINE_DWORDS] = {0}; unsigned char *bb_start_sva; + if (!wa_ctx->per_ctx.valid) + return 0; + per_ctx_start[0] = 0x18800001; per_ctx_start[1] = wa_ctx->per_ctx.guest_gma; diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index 91b4300f3b39..e5320b4eb698 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -701,8 +701,7 @@ static int submit_context(struct intel_vgpu *vgpu, int ring_id, CACHELINE_BYTES; workload->wa_ctx.per_ctx.guest_gma = per_ctx & PER_CTX_ADDR_MASK; - - WARN_ON(workload->wa_ctx.indirect_ctx.size && !(per_ctx & 0x1)); + workload->wa_ctx.per_ctx.valid = per_ctx & 1; } if (emulate_schedule_in) diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 2294466dd415..a5bed2e71b92 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1429,18 +1429,7 @@ static int skl_lcpll_write(struct intel_vgpu *vgpu, unsigned int offset, return 0; } -static int ring_timestamp_mmio_read(struct intel_vgpu *vgpu, - unsigned int offset, void *p_data, unsigned int bytes) -{ - struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - - mmio_hw_access_pre(dev_priv); - vgpu_vreg(vgpu, offset) = I915_READ(_MMIO(offset)); - mmio_hw_access_post(dev_priv); - return intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes); -} - -static int instdone_mmio_read(struct intel_vgpu *vgpu, +static int mmio_read_from_hw(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; @@ -1589,6 +1578,8 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu, MMIO_F(prefix(BLT_RING_BASE), s, f, am, rm, d, r, w); \ MMIO_F(prefix(GEN6_BSD_RING_BASE), s, f, am, rm, d, r, w); \ MMIO_F(prefix(VEBOX_RING_BASE), s, f, am, rm, d, r, w); \ + if (HAS_BSD2(dev_priv)) \ + MMIO_F(prefix(GEN8_BSD2_RING_BASE), s, f, am, rm, d, r, w); \ } while (0) #define MMIO_RING_D(prefix, d) \ @@ -1635,10 +1626,9 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) #undef RING_REG #define RING_REG(base) (base + 0x6c) - MMIO_RING_DFH(RING_REG, D_ALL, 0, instdone_mmio_read, NULL); - MMIO_DH(RING_REG(GEN8_BSD2_RING_BASE), D_ALL, instdone_mmio_read, NULL); + MMIO_RING_DFH(RING_REG, D_ALL, 0, mmio_read_from_hw, NULL); #undef RING_REG - MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, instdone_mmio_read, NULL); + MMIO_DH(GEN7_SC_INSTDONE, D_BDW_PLUS, mmio_read_from_hw, NULL); MMIO_GM_RDR(0x2148, D_ALL, NULL, NULL); MMIO_GM_RDR(CCID, D_ALL, NULL, NULL); @@ -1648,7 +1638,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL); - MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, NULL, NULL); + MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, mmio_read_from_hw, NULL); MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL); /* RING MODE */ @@ -1662,9 +1652,9 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS, - ring_timestamp_mmio_read, NULL); + mmio_read_from_hw, NULL); MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS, - ring_timestamp_mmio_read, NULL); + mmio_read_from_hw, NULL); MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS, @@ -2411,9 +2401,6 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) struct drm_i915_private *dev_priv = gvt->dev_priv; int ret; - MMIO_DFH(RING_IMR(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, NULL, - intel_vgpu_reg_imr_handler); - MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler); MMIO_DH(GEN8_GT_IER(0), D_BDW_PLUS, NULL, intel_vgpu_reg_ier_handler); MMIO_DH(GEN8_GT_IIR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_iir_handler); @@ -2476,68 +2463,34 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL, intel_vgpu_reg_master_irq_handler); - MMIO_DFH(RING_HWSTAM(GEN8_BSD2_RING_BASE), D_BDW_PLUS, - F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(0x1c134, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); - - MMIO_DFH(RING_TAIL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, - NULL, NULL); - MMIO_DFH(RING_HEAD(GEN8_BSD2_RING_BASE), D_BDW_PLUS, - F_CMD_ACCESS, NULL, NULL); - MMIO_GM_RDR(RING_START(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL); - MMIO_DFH(RING_CTL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, - NULL, NULL); - MMIO_DFH(RING_ACTHD(GEN8_BSD2_RING_BASE), D_BDW_PLUS, - F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(RING_ACTHD_UDW(GEN8_BSD2_RING_BASE), D_BDW_PLUS, - F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(0x1c29c, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, - ring_mode_mmio_write); - MMIO_DFH(RING_MI_MODE(GEN8_BSD2_RING_BASE), D_BDW_PLUS, - F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS, - F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(RING_TIMESTAMP(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, - ring_timestamp_mmio_read, NULL); - - MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); + MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS, + mmio_read_from_hw, NULL); #define RING_REG(base) (base + 0xd0) MMIO_RING_F(RING_REG, 4, F_RO, 0, ~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL, ring_reset_ctl_write); - MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO, 0, - ~_MASKED_BIT_ENABLE(RESET_CTL_REQUEST_RESET), D_BDW_PLUS, NULL, - ring_reset_ctl_write); #undef RING_REG #define RING_REG(base) (base + 0x230) MMIO_RING_DFH(RING_REG, D_BDW_PLUS, 0, NULL, elsp_mmio_write); - MMIO_DH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, elsp_mmio_write); #undef RING_REG #define RING_REG(base) (base + 0x234) MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS, NULL, NULL); - MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO | F_CMD_ACCESS, 0, - ~0LL, D_BDW_PLUS, NULL, NULL); #undef RING_REG #define RING_REG(base) (base + 0x244) MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, - NULL, NULL); #undef RING_REG #define RING_REG(base) (base + 0x370) MMIO_RING_F(RING_REG, 48, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL); - MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 48, F_RO, 0, ~0, D_BDW_PLUS, - NULL, NULL); #undef RING_REG #define RING_REG(base) (base + 0x3a0) MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_MODE_MASK, NULL, NULL); - MMIO_DFH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK, NULL, NULL); #undef RING_REG MMIO_D(PIPEMISC(PIPE_A), D_BDW_PLUS); @@ -2557,11 +2510,9 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) #define RING_REG(base) (base + 0x270) MMIO_RING_F(RING_REG, 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL); - MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL); #undef RING_REG MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL); - MMIO_GM_RDR(RING_HWS_PGA(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL); MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); @@ -2849,7 +2800,6 @@ static int init_skl_mmio_info(struct intel_gvt *gvt) MMIO_D(0x65f08, D_SKL | D_KBL); MMIO_D(0x320f0, D_SKL | D_KBL); - MMIO_DFH(_REG_VCS2_EXCC, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL); MMIO_D(0x70034, D_SKL_PLUS); MMIO_D(0x71034, D_SKL_PLUS); MMIO_D(0x72034, D_SKL_PLUS); diff --git a/drivers/gpu/drm/i915/gvt/reg.h b/drivers/gpu/drm/i915/gvt/reg.h index fbd023a16f18..7d01c77a0f7a 100644 --- a/drivers/gpu/drm/i915/gvt/reg.h +++ b/drivers/gpu/drm/i915/gvt/reg.h @@ -54,9 +54,6 @@ #define VGT_SPRSTRIDE(pipe) _PIPE(pipe, _SPRA_STRIDE, _PLANE_STRIDE_2_B) -#define _REG_VECS_EXCC 0x1A028 -#define _REG_VCS2_EXCC 0x1c028 - #define _REG_701C0(pipe, plane) (0x701c0 + pipe * 0x1000 + (plane - 1) * 0x100) #define _REG_701C4(pipe, plane) (0x701c4 + pipe * 0x1000 + (plane - 1) * 0x100) diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h index 0d431a968a32..93a49eb0209e 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.h +++ b/drivers/gpu/drm/i915/gvt/scheduler.h @@ -68,6 +68,7 @@ struct shadow_indirect_ctx { struct shadow_per_ctx { unsigned long guest_gma; unsigned long shadow_gma; + unsigned valid; }; struct intel_shadow_wa_ctx { diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 9f45cfeae775..f124de3a0668 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1304,7 +1304,7 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) * becaue the HDA driver may require us to enable the audio power * domain during system suspend. */ - pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); ret = i915_driver_init_early(dev_priv, ent); if (ret < 0) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 32e857dc507c..dc1faa49687d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2214,8 +2214,10 @@ static void __i915_gem_object_reset_page_iter(struct drm_i915_gem_object *obj) struct radix_tree_iter iter; void __rcu **slot; + rcu_read_lock(); radix_tree_for_each_slot(slot, &obj->mm.get_page.radix, &iter, 0) radix_tree_delete(&obj->mm.get_page.radix, iter.index); + rcu_read_unlock(); } void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj, diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 58a2a44f88bd..8afd2ce59b8d 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -104,6 +104,7 @@ static void lut_close(struct i915_gem_context *ctx) kmem_cache_free(ctx->i915->luts, lut); } + rcu_read_lock(); radix_tree_for_each_slot(slot, &ctx->handles_vma, &iter, 0) { struct i915_vma *vma = rcu_dereference_raw(*slot); struct drm_i915_gem_object *obj = vma->obj; @@ -115,6 +116,7 @@ static void lut_close(struct i915_gem_context *ctx) __i915_gem_object_release_unless_active(obj); } + rcu_read_unlock(); } static void i915_gem_context_free(struct i915_gem_context *ctx) diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 92437f455b43..83876a1c8d98 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -337,6 +337,10 @@ eb_vma_misplaced(const struct drm_i915_gem_exec_object2 *entry, (vma->node.start + vma->node.size - 1) >> 32) return true; + if (flags & __EXEC_OBJECT_NEEDS_MAP && + !i915_vma_is_map_and_fenceable(vma)) + return true; + return false; } @@ -2090,6 +2094,11 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args, goto err; } + if (fence.flags & __I915_EXEC_FENCE_UNKNOWN_FLAGS) { + err = -EINVAL; + goto err; + } + syncobj = drm_syncobj_find(file, fence.handle); if (!syncobj) { DRM_DEBUG("Invalid syncobj handle provided\n"); @@ -2097,6 +2106,9 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args, goto err; } + BUILD_BUG_ON(~(ARCH_KMALLOC_MINALIGN - 1) & + ~__I915_EXEC_FENCE_UNKNOWN_FLAGS); + fences[n] = ptr_pack_bits(syncobj, fence.flags, 2); } diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index e2410eb5d96e..ad524cb0f6fc 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -832,10 +832,14 @@ static void gen8_ppgtt_clear_4lvl(struct i915_address_space *vm, } } -struct sgt_dma { +static inline struct sgt_dma { struct scatterlist *sg; dma_addr_t dma, max; -}; +} sgt_dma(struct i915_vma *vma) { + struct scatterlist *sg = vma->pages->sgl; + dma_addr_t addr = sg_dma_address(sg); + return (struct sgt_dma) { sg, addr, addr + sg->length }; +} struct gen8_insert_pte { u16 pml4e; @@ -916,11 +920,7 @@ static void gen8_ppgtt_insert_3lvl(struct i915_address_space *vm, u32 unused) { struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); - struct sgt_dma iter = { - .sg = vma->pages->sgl, - .dma = sg_dma_address(iter.sg), - .max = iter.dma + iter.sg->length, - }; + struct sgt_dma iter = sgt_dma(vma); struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start); gen8_ppgtt_insert_pte_entries(ppgtt, &ppgtt->pdp, &iter, &idx, @@ -933,11 +933,7 @@ static void gen8_ppgtt_insert_4lvl(struct i915_address_space *vm, u32 unused) { struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vm); - struct sgt_dma iter = { - .sg = vma->pages->sgl, - .dma = sg_dma_address(iter.sg), - .max = iter.dma + iter.sg->length, - }; + struct sgt_dma iter = sgt_dma(vma); struct i915_page_directory_pointer **pdps = ppgtt->pml4.pdps; struct gen8_insert_pte idx = gen8_insert_pte(vma->node.start); @@ -1632,13 +1628,10 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm, unsigned act_pt = first_entry / GEN6_PTES; unsigned act_pte = first_entry % GEN6_PTES; const u32 pte_encode = vm->pte_encode(0, cache_level, flags); - struct sgt_dma iter; + struct sgt_dma iter = sgt_dma(vma); gen6_pte_t *vaddr; vaddr = kmap_atomic_px(ppgtt->pd.page_table[act_pt]); - iter.sg = vma->pages->sgl; - iter.dma = sg_dma_address(iter.sg); - iter.max = iter.dma + iter.sg->length; do { vaddr[act_pte] = pte_encode | GEN6_PTE_ADDR_ENCODE(iter.dma); diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 94185d610673..370b9d248fed 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -2537,6 +2537,10 @@ static const struct file_operations fops = { .poll = i915_perf_poll, .read = i915_perf_read, .unlocked_ioctl = i915_perf_ioctl, + /* Our ioctl have no arguments, so it's safe to use the same function + * to handle 32bits compatibility. + */ + .compat_ioctl = i915_perf_ioctl, }; diff --git a/drivers/gpu/drm/i915/i915_trace.h b/drivers/gpu/drm/i915/i915_trace.h index 6fd5c57e21f6..ef72da74b87f 100644 --- a/drivers/gpu/drm/i915/i915_trace.h +++ b/drivers/gpu/drm/i915/i915_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_I915_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ) #define _I915_TRACE_H_ diff --git a/drivers/gpu/drm/i915/i915_trace_points.c b/drivers/gpu/drm/i915/i915_trace_points.c index f1df2bd4ecf4..463a7177997c 100644 --- a/drivers/gpu/drm/i915/i915_trace_points.c +++ b/drivers/gpu/drm/i915/i915_trace_points.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright © 2009 Intel Corporation * diff --git a/drivers/gpu/drm/i915/intel_acpi.c b/drivers/gpu/drm/i915/intel_acpi.c index 42fb436f6cdc..d1abf4bb7c81 100644 --- a/drivers/gpu/drm/i915/intel_acpi.c +++ b/drivers/gpu/drm/i915/intel_acpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intel ACPI functions * diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 5c7828c52d12..5ebdb63330dd 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15227,6 +15227,23 @@ void intel_connector_unregister(struct drm_connector *connector) intel_panel_destroy_backlight(connector); } +static void intel_hpd_poll_fini(struct drm_device *dev) +{ + struct intel_connector *connector; + struct drm_connector_list_iter conn_iter; + + /* First disable polling... */ + drm_kms_helper_poll_fini(dev); + + /* Then kill the work that may have been queued by hpd. */ + drm_connector_list_iter_begin(dev, &conn_iter); + for_each_intel_connector_iter(connector, &conn_iter) { + if (connector->modeset_retry_work.func) + cancel_work_sync(&connector->modeset_retry_work); + } + drm_connector_list_iter_end(&conn_iter); +} + void intel_modeset_cleanup(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); @@ -15247,7 +15264,7 @@ void intel_modeset_cleanup(struct drm_device *dev) * Due to the hpd irq storm handling the hotplug work can re-arm the * poll handlers. Hence disable polling after hpd handling is shut down. */ - drm_kms_helper_poll_fini(dev); + intel_hpd_poll_fini(dev); /* poll work can call into fbdev, hence clean that up afterwards */ intel_fbdev_fini(dev_priv); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 203198659ab2..09f274419eea 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3731,9 +3731,16 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) } - /* Read the eDP Display control capabilities registers */ - if ((intel_dp->dpcd[DP_EDP_CONFIGURATION_CAP] & DP_DPCD_DISPLAY_CONTROL_CAPABLE) && - drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV, + /* + * Read the eDP display control registers. + * + * Do this independent of DP_DPCD_DISPLAY_CONTROL_CAPABLE bit in + * DP_EDP_CONFIGURATION_CAP, because some buggy displays do not have it + * set, but require eDP 1.4+ detection (e.g. for supported link rates + * method). The display control registers should read zero if they're + * not supported anyway. + */ + if (drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV, intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) == sizeof(intel_dp->edp_dpcd)) DRM_DEBUG_KMS("EDP DPCD : %*ph\n", (int) sizeof(intel_dp->edp_dpcd), diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index fa47285918f4..79fbaf78f604 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -496,7 +496,6 @@ struct intel_crtc_scaler_state { struct intel_pipe_wm { struct intel_wm_level wm[5]; - struct intel_wm_level raw_wm[5]; uint32_t linetime; bool fbc_wm_enabled; bool pipe_enabled; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 0a09f8ff6aff..cb950752c346 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -2716,9 +2716,9 @@ static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv, const struct intel_crtc *intel_crtc, int level, struct intel_crtc_state *cstate, - struct intel_plane_state *pristate, - struct intel_plane_state *sprstate, - struct intel_plane_state *curstate, + const struct intel_plane_state *pristate, + const struct intel_plane_state *sprstate, + const struct intel_plane_state *curstate, struct intel_wm_level *result) { uint16_t pri_latency = dev_priv->wm.pri_latency[level]; @@ -3038,28 +3038,24 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) struct intel_pipe_wm *pipe_wm; struct drm_device *dev = state->dev; const struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_plane *intel_plane; - struct intel_plane_state *pristate = NULL; - struct intel_plane_state *sprstate = NULL; - struct intel_plane_state *curstate = NULL; + struct drm_plane *plane; + const struct drm_plane_state *plane_state; + const struct intel_plane_state *pristate = NULL; + const struct intel_plane_state *sprstate = NULL; + const struct intel_plane_state *curstate = NULL; int level, max_level = ilk_wm_max_level(dev_priv), usable_level; struct ilk_wm_maximums max; pipe_wm = &cstate->wm.ilk.optimal; - for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { - struct intel_plane_state *ps; - - ps = intel_atomic_get_existing_plane_state(state, - intel_plane); - if (!ps) - continue; + drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, &cstate->base) { + const struct intel_plane_state *ps = to_intel_plane_state(plane_state); - if (intel_plane->base.type == DRM_PLANE_TYPE_PRIMARY) + if (plane->type == DRM_PLANE_TYPE_PRIMARY) pristate = ps; - else if (intel_plane->base.type == DRM_PLANE_TYPE_OVERLAY) + else if (plane->type == DRM_PLANE_TYPE_OVERLAY) sprstate = ps; - else if (intel_plane->base.type == DRM_PLANE_TYPE_CURSOR) + else if (plane->type == DRM_PLANE_TYPE_CURSOR) curstate = ps; } @@ -3081,11 +3077,9 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) if (pipe_wm->sprites_scaled) usable_level = 0; - ilk_compute_wm_level(dev_priv, intel_crtc, 0, cstate, - pristate, sprstate, curstate, &pipe_wm->raw_wm[0]); - memset(&pipe_wm->wm, 0, sizeof(pipe_wm->wm)); - pipe_wm->wm[0] = pipe_wm->raw_wm[0]; + ilk_compute_wm_level(dev_priv, intel_crtc, 0, cstate, + pristate, sprstate, curstate, &pipe_wm->wm[0]); if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) pipe_wm->linetime = hsw_compute_linetime_wm(cstate); @@ -3095,8 +3089,8 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) ilk_compute_wm_reg_maximums(dev_priv, 1, &max); - for (level = 1; level <= max_level; level++) { - struct intel_wm_level *wm = &pipe_wm->raw_wm[level]; + for (level = 1; level <= usable_level; level++) { + struct intel_wm_level *wm = &pipe_wm->wm[level]; ilk_compute_wm_level(dev_priv, intel_crtc, level, cstate, pristate, sprstate, curstate, wm); @@ -3106,13 +3100,10 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) * register maximums since such watermarks are * always invalid. */ - if (level > usable_level) - continue; - - if (ilk_validate_wm_level(level, &max, wm)) - pipe_wm->wm[level] = *wm; - else - usable_level = level; + if (!ilk_validate_wm_level(level, &max, wm)) { + memset(wm, 0, sizeof(*wm)); + break; + } } return 0; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 02d8974bf9ab..6b2067f10824 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _INTEL_RINGBUFFER_H_ #define _INTEL_RINGBUFFER_H_ diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index 18b174d855ca..1519f1b7841b 100644 --- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* List each unit test as selftest(name, function) * * The name is used as both an enum and expanded as subtest__name to create diff --git a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h index fc74687501ba..e5a9e5dcf2f3 100644 --- a/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_mock_selftests.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* List each unit test as selftest(name, function) * * The name is used as both an enum and expanded as subtest__name to create diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.h b/drivers/gpu/drm/i915/selftests/mock_gem_device.h index 4cca4d57f52c..b5dc4e394555 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_device.h +++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MOCK_GEM_DEVICE_H__ #define __MOCK_GEM_DEVICE_H__ diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_object.h b/drivers/gpu/drm/i915/selftests/mock_gem_object.h index 9fbf67321662..20acdbee7bd0 100644 --- a/drivers/gpu/drm/i915/selftests/mock_gem_object.h +++ b/drivers/gpu/drm/i915/selftests/mock_gem_object.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MOCK_GEM_OBJECT_H__ #define __MOCK_GEM_OBJECT_H__ diff --git a/drivers/gpu/drm/imx/Makefile b/drivers/gpu/drm/imx/Makefile index 16ecef33e008..ab6c83caceb7 100644 --- a/drivers/gpu/drm/imx/Makefile +++ b/drivers/gpu/drm/imx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 imxdrm-objs := imx-drm-core.o ipuv3-crtc.o ipuv3-plane.o diff --git a/drivers/gpu/drm/imx/imx-drm.h b/drivers/gpu/drm/imx/imx-drm.h index f6dd64be9cd5..f0b7556c0857 100644 --- a/drivers/gpu/drm/imx/imx-drm.h +++ b/drivers/gpu/drm/imx/imx-drm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _IMX_DRM_H_ #define _IMX_DRM_H_ diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h index 596b24ddbf65..e563ea17a827 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.h +++ b/drivers/gpu/drm/imx/ipuv3-plane.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IPUV3_PLANE_H__ #define __IPUV3_PLANE_H__ diff --git a/drivers/gpu/drm/lib/drm_random.c b/drivers/gpu/drm/lib/drm_random.c index a78c4b483e8d..eeb155826d27 100644 --- a/drivers/gpu/drm/lib/drm_random.c +++ b/drivers/gpu/drm/lib/drm_random.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/kernel.h> #include <linux/random.h> diff --git a/drivers/gpu/drm/lib/drm_random.h b/drivers/gpu/drm/lib/drm_random.h index a78644bea7f9..4a3e94dfa0c0 100644 --- a/drivers/gpu/drm/lib/drm_random.h +++ b/drivers/gpu/drm/lib/drm_random.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRM_RANDOM_H__ #define __DRM_RANDOM_H__ diff --git a/drivers/gpu/drm/mediatek/Makefile b/drivers/gpu/drm/mediatek/Makefile index e37b55a23a65..ce83c396a742 100644 --- a/drivers/gpu/drm/mediatek/Makefile +++ b/drivers/gpu/drm/mediatek/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 mediatek-drm-y := mtk_disp_color.o \ mtk_disp_ovl.o \ mtk_disp_rdma.o \ diff --git a/drivers/gpu/drm/mgag200/mgag200_reg.h b/drivers/gpu/drm/mgag200/mgag200_reg.h index 3ae442a64bd6..c096a9d6bcbc 100644 --- a/drivers/gpu/drm/mgag200/mgag200_reg.h +++ b/drivers/gpu/drm/mgag200/mgag200_reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * MGA Millennium (MGA2064W) functions * MGA Mystique (MGA1064SG) functions diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile index 33008fa1be9b..ced70783b44e 100644 --- a/drivers/gpu/drm/msm/Makefile +++ b/drivers/gpu/drm/msm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/gpu/drm/msm ccflags-$(CONFIG_DRM_MSM_DSI) += -Idrivers/gpu/drm/msm/dsi diff --git a/drivers/gpu/drm/nouveau/dispnv04/cursor.c b/drivers/gpu/drm/nouveau/dispnv04/cursor.c index f26e44ea7389..ebf860bd59af 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/cursor.c +++ b/drivers/gpu/drm/nouveau/dispnv04/cursor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <drm/drmP.h> #include <drm/drm_mode.h> #include "nouveau_drv.h" diff --git a/drivers/gpu/drm/nouveau/dispnv04/disp.h b/drivers/gpu/drm/nouveau/dispnv04/disp.h index 74a8795c2c2b..f74f1f2b186e 100644 --- a/drivers/gpu/drm/nouveau/dispnv04/disp.h +++ b/drivers/gpu/drm/nouveau/dispnv04/disp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV04_DISPLAY_H__ #define __NV04_DISPLAY_H__ #include <subdev/bios.h> diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0002.h b/drivers/gpu/drm/nouveau/include/nvif/cl0002.h index 6d72ed38da32..1a8b45b4631f 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl0002.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl0002.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL0002_H__ #define __NVIF_CL0002_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0046.h b/drivers/gpu/drm/nouveau/include/nvif/cl0046.h index a6a71f4ad91e..c0d5eba4f8fc 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl0046.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl0046.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL0046_H__ #define __NVIF_CL0046_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl006b.h b/drivers/gpu/drm/nouveau/include/nvif/cl006b.h index 309ab8a3d9e8..d0e8f35d9e92 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl006b.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl006b.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL006B_H__ #define __NVIF_CL006B_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl0080.h b/drivers/gpu/drm/nouveau/include/nvif/cl0080.h index 287a7d6fa480..2740278d226b 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl0080.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl0080.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL0080_H__ #define __NVIF_CL0080_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl506e.h b/drivers/gpu/drm/nouveau/include/nvif/cl506e.h index aa94b8cf9679..b4cd58093300 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl506e.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl506e.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL506E_H__ #define __NVIF_CL506E_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl506f.h b/drivers/gpu/drm/nouveau/include/nvif/cl506f.h index 3b7101966de4..14d20c813cdb 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl506f.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl506f.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL506F_H__ #define __NVIF_CL506F_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl5070.h b/drivers/gpu/drm/nouveau/include/nvif/cl5070.h index 542d95145a67..7cdf53615d7b 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl5070.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl5070.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL5070_H__ #define __NVIF_CL5070_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507a.h b/drivers/gpu/drm/nouveau/include/nvif/cl507a.h index 12e0643b78bd..36e537218596 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl507a.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl507a.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL507A_H__ #define __NVIF_CL507A_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507b.h b/drivers/gpu/drm/nouveau/include/nvif/cl507b.h index 99e9d8c47f60..3e643b752bfc 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl507b.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl507b.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL507B_H__ #define __NVIF_CL507B_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507c.h b/drivers/gpu/drm/nouveau/include/nvif/cl507c.h index 6af70dbdfd9f..fd9e336d0a24 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl507c.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl507c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL507C_H__ #define __NVIF_CL507C_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507d.h b/drivers/gpu/drm/nouveau/include/nvif/cl507d.h index 5ab0c9e4c6a3..e994c6894e3e 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl507d.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl507d.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL507D_H__ #define __NVIF_CL507D_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl507e.h b/drivers/gpu/drm/nouveau/include/nvif/cl507e.h index c06209f3cac4..8082d2fde248 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl507e.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl507e.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL507E_H__ #define __NVIF_CL507E_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl826e.h b/drivers/gpu/drm/nouveau/include/nvif/cl826e.h index 91e33db21a2f..36944ff09e3c 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl826e.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl826e.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL826E_H__ #define __NVIF_CL826E_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl826f.h b/drivers/gpu/drm/nouveau/include/nvif/cl826f.h index e34efd4ec537..df09a50817eb 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl826f.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl826f.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL826F_H__ #define __NVIF_CL826F_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl906f.h b/drivers/gpu/drm/nouveau/include/nvif/cl906f.h index a2d5410a491b..6d16a3a2ec02 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl906f.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl906f.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL906F_H__ #define __NVIF_CL906F_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cl9097.h b/drivers/gpu/drm/nouveau/include/nvif/cl9097.h index 4057676d2981..e4c8de6d00b7 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cl9097.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cl9097.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CL9097_H__ #define __NVIF_CL9097_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h index 2efa3d048bb9..597ebb52d5f9 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/cla06f.h +++ b/drivers/gpu/drm/nouveau/include/nvif/cla06f.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CLA06F_H__ #define __NVIF_CLA06F_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/class.h b/drivers/gpu/drm/nouveau/include/nvif/class.h index d08da82ba7ed..e3a2ea8bde70 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/class.h +++ b/drivers/gpu/drm/nouveau/include/nvif/class.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CLASS_H__ #define __NVIF_CLASS_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/client.h b/drivers/gpu/drm/nouveau/include/nvif/client.h index b52a8eadce01..f5df8b30c599 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/client.h +++ b/drivers/gpu/drm/nouveau/include/nvif/client.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_CLIENT_H__ #define __NVIF_CLIENT_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/device.h b/drivers/gpu/drm/nouveau/include/nvif/device.h index bcb981711617..09439b037870 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/device.h +++ b/drivers/gpu/drm/nouveau/include/nvif/device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_DEVICE_H__ #define __NVIF_DEVICE_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/driver.h b/drivers/gpu/drm/nouveau/include/nvif/driver.h index 0c6f48d8140a..93bccd45a042 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/driver.h +++ b/drivers/gpu/drm/nouveau/include/nvif/driver.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_DRIVER_H__ #define __NVIF_DRIVER_H__ #include <nvif/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvif/event.h b/drivers/gpu/drm/nouveau/include/nvif/event.h index 21764499b4be..ec5c924f576a 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/event.h +++ b/drivers/gpu/drm/nouveau/include/nvif/event.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_EVENT_H__ #define __NVIF_EVENT_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0000.h b/drivers/gpu/drm/nouveau/include/nvif/if0000.h index c2c0fc41e017..30ecd31db5df 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0000.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IF0000_H__ #define __NVIF_IF0000_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0001.h b/drivers/gpu/drm/nouveau/include/nvif/if0001.h index bd5b64125eed..ca9215262215 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0001.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0001.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IF0001_H__ #define __NVIF_IF0001_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0002.h b/drivers/gpu/drm/nouveau/include/nvif/if0002.h index c04c91d0b818..d9235c011196 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0002.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0002.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IF0002_H__ #define __NVIF_IF0002_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0003.h b/drivers/gpu/drm/nouveau/include/nvif/if0003.h index 0cd03efb80a1..ae30b8261b88 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0003.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0003.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IF0003_H__ #define __NVIF_IF0003_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0004.h b/drivers/gpu/drm/nouveau/include/nvif/if0004.h index bd5cd428cfd7..b35547c8ea36 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0004.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0004.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IF0004_H__ #define __NVIF_IF0004_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0005.h b/drivers/gpu/drm/nouveau/include/nvif/if0005.h index abfd373bb68b..8ed0ae101715 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0005.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0005.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IF0005_H__ #define __NVIF_IF0005_H__ #define NV10_NVSW_NTFY_UEVENT 0x00 diff --git a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h index c5f5eb83a594..688c4bcd9c64 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h +++ b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_IOCTL_H__ #define __NVIF_IOCTL_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/notify.h b/drivers/gpu/drm/nouveau/include/nvif/notify.h index 51e2eb580809..4ed169230657 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/notify.h +++ b/drivers/gpu/drm/nouveau/include/nvif/notify.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_NOTIFY_H__ #define __NVIF_NOTIFY_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/object.h b/drivers/gpu/drm/nouveau/include/nvif/object.h index 9e58b305b020..6912b8cffc98 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/object.h +++ b/drivers/gpu/drm/nouveau/include/nvif/object.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_OBJECT_H__ #define __NVIF_OBJECT_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/os.h b/drivers/gpu/drm/nouveau/include/nvif/os.h index 9fcab67c8557..6b16ab6b26d5 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/os.h +++ b/drivers/gpu/drm/nouveau/include/nvif/os.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_OS_H__ #define __NOUVEAU_OS_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvif/unpack.h b/drivers/gpu/drm/nouveau/include/nvif/unpack.h index 751bcf4930a7..7f0d9f6cc1e7 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/unpack.h +++ b/drivers/gpu/drm/nouveau/include/nvif/unpack.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVIF_UNPACK_H__ #define __NVIF_UNPACK_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h index e876634da10a..ca23230d5743 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CLIENT_H__ #define __NVKM_CLIENT_H__ #define nvkm_client(p) container_of((p), struct nvkm_client, object) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h b/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h index c59fd4e2ad5e..966d1822dd80 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEBUG_H__ #define __NVKM_DEBUG_H__ #define NV_DBG_FATAL 0 diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h index bb4c214f1046..d7ecb65ba19f 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/device.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVICE_H__ #define __NVKM_DEVICE_H__ #include <core/event.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h index d4cd2fbfde88..c6bcd8a64cae 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/engine.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_ENGINE_H__ #define __NVKM_ENGINE_H__ #define nvkm_engine(p) container_of((p), struct nvkm_engine, subdev) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h b/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h index 40429a82f792..38acbde2de4f 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/enum.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_ENUM_H__ #define __NVKM_ENUM_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/event.h b/drivers/gpu/drm/nouveau/include/nvkm/core/event.h index b98fe2de546a..d3c45e90a1c1 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/event.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/event.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_EVENT_H__ #define __NVKM_EVENT_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h b/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h index a626ce378f04..ff0fa38aee72 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/firmware.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FIRMWARE_H__ #define __NVKM_FIRMWARE_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h index c23da4f05929..473ba0b9a368 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/gpuobj.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GPUOBJ_H__ #define __NVKM_GPUOBJ_H__ #include <core/object.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h b/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h index 88971eb37afa..e2d39192fa26 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_IOCTL_H__ #define __NVKM_IOCTL_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h index 33ca6769266a..affba21fcbad 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/memory.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MEMORY_H__ #define __NVKM_MEMORY_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h b/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h index 7bd4897a8a2a..2002a4da9999 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MM_H__ #define __NVKM_MM_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h b/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h index 753d08c1767b..4eb82bc563f3 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/notify.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_NOTIFY_H__ #define __NVKM_NOTIFY_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h index 96dda350ada3..3f13ff1d4ee4 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_OBJECT_H__ #define __NVKM_OBJECT_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h b/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h index bd52236cc2f4..d950d5ee188b 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/oproxy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_OPROXY_H__ #define __NVKM_OPROXY_H__ #define nvkm_oproxy(p) container_of((p), struct nvkm_oproxy, base) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/option.h b/drivers/gpu/drm/nouveau/include/nvkm/core/option.h index 80fdc146e816..a34a79bacbd0 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/option.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/option.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_OPTION_H__ #define __NVKM_OPTION_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h index cd57e238ddd3..fc9e8cd36087 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/os.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/os.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_OS_H__ #define __NVKM_OS_H__ #include <nvif/os.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h index 78d41be20b8c..4c7f647d2dc9 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVICE_PCI_H__ #define __NVKM_DEVICE_PCI_H__ #include <core/device.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h b/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h index 5ee6298991e2..674a38408240 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/ramht.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_RAMHT_H__ #define __NVKM_RAMHT_H__ #include <core/gpuobj.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h index ca9ed3d68f44..38f51ff7ab40 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SUBDEV_H__ #define __NVKM_SUBDEV_H__ #include <core/device.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h index 7c7d91cad09a..5c102d0206a7 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVICE_TEGRA_H__ #define __NVKM_DEVICE_TEGRA_H__ #include <core/device.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h index 904820558fc0..40613983fccb 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/bsp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BSP_H__ #define __NVKM_BSP_H__ #include <engine/xtensa.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h index b93f4c1a95e5..553245994450 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/ce.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CE_H__ #define __NVKM_CE_H__ #include <engine/falcon.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h index 03fa57a7c30a..72b9da2de7c2 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/cipher.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CIPHER_H__ #define __NVKM_CIPHER_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h index 05f9c13ab8c3..e83193d3ccab 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/disp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_H__ #define __NVKM_DISP_H__ #define nvkm_disp(p) container_of((p), struct nvkm_disp, engine) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h index d2a6532ce3b9..5f5cae7c474e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DMA_H__ #define __NVKM_DMA_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h index e1a854e2ade1..5a51842bc241 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FALCON_H__ #define __NVKM_FALCON_H__ #define nvkm_falcon(p) container_of((p), struct nvkm_falcon, engine) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h index f00527b36acc..025f400c9f5d 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FIFO_H__ #define __NVKM_FIFO_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h index c7944b19bed8..fb18f105fc43 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/gr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GR_H__ #define __NVKM_GR_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h index 257738eff9f6..4ef3d4c5e358 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/mpeg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MPEG_H__ #define __NVKM_MPEG_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h index 748ea9b7e559..985fc9490643 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/msenc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSENC_H__ #define __NVKM_MSENC_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h index 08516ca82e04..e03f33472486 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/mspdec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSPDEC_H__ #define __NVKM_MSPDEC_H__ #include <engine/falcon.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h index 85fd306021ac..760bf17ea63d 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/msppp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSPPP_H__ #define __NVKM_MSPPP_H__ #include <engine/falcon.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h index 99757ed96f76..281866d2501d 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/msvld.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSVLD_H__ #define __NVKM_MSVLD_H__ #include <engine/falcon.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h index 00b2b227ff41..fe716859d4a9 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvdec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_NVDEC_H__ #define __NVKM_NVDEC_H__ #define nvkm_nvdec(p) container_of((p), struct nvkm_nvdec, engine) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h index 8a819328059b..cdd68a8bab8b 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/nvenc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_NVENC_H__ #define __NVKM_NVENC_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h index 240855ad8c8d..6cce8502f9df 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/pm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PM_H__ #define __NVKM_PM_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h index 7317ef4c0207..b206b918c43e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SEC_H__ #define __NVKM_SEC_H__ #include <engine/falcon.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h index d3db1b1e75c4..f7d89822b905 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/sec2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SEC2_H__ #define __NVKM_SEC2_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h index 096e7dbd1e65..83a17c4e11e7 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/sw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SW_H__ #define __NVKM_SW_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h index 2b0dc4c695c2..9b7d4877cf41 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/vic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_VIC_H__ #define __NVKM_VIC_H__ #include <core/engine.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h index 616ea91e03f8..53bf8aed48fb 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/vp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_VP_H__ #define __NVKM_VP_H__ #include <engine/xtensa.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h index b1fcc416732f..13c00ce6d556 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/xtensa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_XTENSA_H__ #define __NVKM_XTENSA_H__ #define nvkm_xtensa(p) container_of((p), struct nvkm_xtensa, engine) diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h index d3071b5a4f98..91f1e0efe061 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bar.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BAR_H__ #define __NVKM_BAR_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h index a72f3290528a..979e9a144e7b 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BIOS_H__ #define __NVKM_BIOS_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h index cf202c793a1d..703a5b524b96 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0203.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_M0203_H__ #define __NVBIOS_M0203_H__ struct nvbios_M0203T { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h index d34608ff241e..b4e14e45a0e8 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0205.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_M0205_H__ #define __NVBIOS_M0205_H__ struct nvbios_M0205T { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h index c7ff8d9526e7..c09376894d12 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/M0209.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_M0209_H__ #define __NVBIOS_M0209_H__ u32 nvbios_M0209Te(struct nvkm_bios *, diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h index 1c1c52eac97d..901d94ef11b8 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/P0260.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_P0260_H__ #define __NVBIOS_P0260_H__ u32 nvbios_P0260Te(struct nvkm_bios *, diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h index 6711732b7cb1..d068586f3263 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bit.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_BIT_H__ #define __NVBIOS_BIT_H__ struct bit_entry { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h index 3f0c7c414026..9a3f9483ee75 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/bmp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_BMP_H__ #define __NVBIOS_BMP_H__ static inline u16 diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h index 2ff64a20c0ec..a1c48c6b223b 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/boost.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_BOOST_H__ #define __NVBIOS_BOOST_H__ u32 nvbios_boostTe(struct nvkm_bios *, u8 *, u8 *, u8 *, u8 *, u8 *, u8 *); diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h index deb477282dde..ed9e0a6a0011 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/conn.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_CONN_H__ #define __NVBIOS_CONN_H__ enum dcb_connector_type { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h index 76fe7d50a1ce..49343d276e11 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/cstep.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_CSTEP_H__ #define __NVBIOS_CSTEP_H__ u32 nvbios_cstepTe(struct nvkm_bios *, diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h index 903d117603d8..63ddc6ed897a 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dcb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_DCB_H__ #define __NVBIOS_DCB_H__ enum dcb_output_type { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h index c5a6ebd5a478..423d92de0aae 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/disp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_DISP_H__ #define __NVBIOS_DISP_H__ u16 nvbios_disp_table(struct nvkm_bios *, diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h index b4d39df70d4e..df34b41838d6 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/dp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_DP_H__ #define __NVBIOS_DP_H__ struct nvbios_dpout { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h index bb49bd5f879e..f93e4f951f2f 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/extdev.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_EXTDEV_H__ #define __NVBIOS_EXTDEV_H__ enum nvbios_extdev_type { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h index a7513e8406a3..09c1d3b9d009 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/fan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_FAN_H__ #define __NVBIOS_FAN_H__ #include <subdev/bios/therm.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h index b7a54e605469..b71a3555c64e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/gpio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_GPIO_H__ #define __NVBIOS_GPIO_H__ enum dcb_gpio_func_name { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h index 85c529ecf9b1..ae1f7483dd28 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/i2c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_I2C_H__ #define __NVBIOS_I2C_H__ enum dcb_i2c_type { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h index e933d3eede70..e220a1ac1387 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/iccsense.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_ICCSENSE_H__ #define __NVBIOS_ICCSENSE_H__ struct pwr_rail_resistor_t { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h index e15d63b9a5eb..893288b060de 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/image.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_IMAGE_H__ #define __NVBIOS_IMAGE_H__ struct nvbios_image { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h index 06ab48052128..744b1868e789 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/init.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_INIT_H__ #define __NVBIOS_INIT_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h index 4e31b64c5edf..327bf9c4b703 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/mxm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_MXM_H__ #define __NVBIOS_MXM_H__ u16 mxm_table(struct nvkm_bios *, u8 *ver, u8 *hdr); diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h index 64a59549b7ea..ee5419b7b45b 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/npde.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_NPDE_H__ #define __NVBIOS_NPDE_H__ struct nvbios_npdeT { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h index e85931541f4f..1dffe8d6cc81 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pcir.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_PCIR_H__ #define __NVBIOS_PCIR_H__ struct nvbios_pcirT { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h index 478b1c0d2089..0ee84ea6d737 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/perf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_PERF_H__ #define __NVBIOS_PERF_H__ u32 nvbios_perf_table(struct nvkm_bios *, u8 *ver, u8 *hdr, diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h index 5a69978d1e3b..ab964e085f02 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pll.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_PLL_H__ #define __NVBIOS_PLL_H__ /*XXX: kill me */ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h index 3a643df6de04..fb41ecab8f8c 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/pmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_PMU_H__ #define __NVBIOS_PMU_H__ struct nvbios_pmuT { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h index f5f4a14c4030..ff12d810dce3 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/power_budget.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_POWER_BUDGET_H__ #define __NVBIOS_POWER_BUDGET_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h index dca6c060a24f..2b87a38adb7a 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/ramcfg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_RAMCFG_H__ #define __NVBIOS_RAMCFG_H__ struct nvbios_ramcfg { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h index 8d8ee13721ec..471eef434b51 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/rammap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_RAMMAP_H__ #define __NVBIOS_RAMMAP_H__ #include <subdev/bios/ramcfg.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h index dd3ba960e75d..46a3b15e10ec 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/therm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_THERM_H__ #define __NVBIOS_THERM_H__ struct nvbios_therm_threshold { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h index 38188d4c9ab5..40ceabf37827 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/timing.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_TIMING_H__ #define __NVBIOS_TIMING_H__ #include <subdev/bios/ramcfg.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h index bea31cdd1dd1..67419bad584c 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vmap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_VMAP_H__ #define __NVBIOS_VMAP_H__ struct nvbios_vmap { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h index f0baa2c7de09..6b36d5ecb8f9 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/volt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_VOLT_H__ #define __NVBIOS_VOLT_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h index 87f804fc3a88..36f3028d58ef 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/vpstate.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_VPSTATE_H__ #define __NVBIOS_VPSTATE_H__ struct nvbios_vpstate_header { diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h index 0c0fe234ff12..d1bb5d044585 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bios/xpio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVBIOS_XPIO_H__ #define __NVBIOS_XPIO_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h index 33a057c334f2..7695f7f77a06 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/bus.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BUS_H__ #define __NVKM_BUS_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h index e5275f742977..15db75ef0189 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/clk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CLK_H__ #define __NVKM_CLK_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h index 709d786f1808..40558064d589 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVINIT_H__ #define __NVKM_DEVINIT_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h index 28d513fbf44c..4da68dd52619 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FB_H__ #define __NVKM_FB_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h index ae201e388487..092193b7f98e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/fuse.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FUSE_H__ #define __NVKM_FUSE_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h index 9b9c6d2f90b6..ee54899076e3 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/gpio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GPIO_H__ #define __NVKM_GPIO_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h index ce23cc6c672e..eef54e9b5d77 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/i2c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_I2C_H__ #define __NVKM_I2C_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h index 6e2b70bd2f41..919653c1d101 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ibus.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_IBUS_H__ #define __NVKM_IBUS_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h index b7a9b041e130..be9475cd94fd 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/iccsense.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_ICCSENSE_H__ #define __NVKM_ICCSENSE_H__ diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h index 40f845e31272..91126fd29222 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_INSTMEM_H__ #define __NVKM_INSTMEM_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h index cd755baf9cab..63b7ad1f9ce2 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/ltc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_LTC_H__ #define __NVKM_LTC_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h index 58f10890c3b6..61c93c86e2e2 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MC_H__ #define __NVKM_MC_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h index dcd3deff27a4..0fdfc610ceb3 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MMU_H__ #define __NVKM_MMU_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h index ed0250139dae..0fd6d6f8eada 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/mxm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MXM_H__ #define __NVKM_MXM_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h index ac2a695963c1..23803cc859fd 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PCI_H__ #define __NVKM_PCI_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h index e7f04732a425..4bc9384046c6 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/pmu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PMU_H__ #define __NVKM_PMU_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h index 1bfd93b85575..98fe1d0fd592 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/therm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_THERM_H__ #define __NVKM_THERM_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h index ff0709652f80..e9b0746826ca 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_TIMER_H__ #define __NVKM_TIMER_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h index d23209b62c25..f7d3eb647e2e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_TOP_H__ #define __NVKM_TOP_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h index ce5636fe2a66..312933ad7c2b 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/vga.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_VGA_H__ #define __NOUVEAU_VGA_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h index 08ef9983c643..8a0f85f5fc1a 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/volt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_VOLT_H__ #define __NVKM_VOLT_H__ #include <core/subdev.h> diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.h b/drivers/gpu/drm/nouveau/nouveau_abi16.h index 841cc556fad8..441100aa2320 100644 --- a/drivers/gpu/drm/nouveau/nouveau_abi16.h +++ b/drivers/gpu/drm/nouveau/nouveau_abi16.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_ABI16_H__ #define __NOUVEAU_ABI16_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 7459ef9943ec..5ffcb6683776 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pci.h> #include <linux/acpi.h> #include <linux/slab.h> diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.h b/drivers/gpu/drm/nouveau/nouveau_acpi.h index 2f03653aff86..b86294fc99e8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.h +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_ACPI_H__ #define __NOUVEAU_ACPI_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h index b06a5385d6dd..4caade5dee50 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.h +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_BO_H__ #define __NOUVEAU_BO_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_chan.h b/drivers/gpu/drm/nouveau/nouveau_chan.h index 46b947ba1cf4..9463a78613cb 100644 --- a/drivers/gpu/drm/nouveau/nouveau_chan.h +++ b/drivers/gpu/drm/nouveau/nouveau_chan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_CHAN_H__ #define __NOUVEAU_CHAN_H__ #include <nvif/object.h> diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.h b/drivers/gpu/drm/nouveau/nouveau_debugfs.h index b799f8dfb2b2..1d01a82d4b6f 100644 --- a/drivers/gpu/drm/nouveau/nouveau_debugfs.h +++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_DEBUGFS_H__ #define __NOUVEAU_DEBUGFS_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h index 201aec2ea5b8..34cd144681b9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.h +++ b/drivers/gpu/drm/nouveau/nouveau_display.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_DISPLAY_H__ #define __NOUVEAU_DISPLAY_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index 822fe1d4d35e..77dea95c1bf1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_DRV_H__ #define __NOUVEAU_DRV_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h index d5e58a38f160..c9b399ad89e6 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fence.h +++ b/drivers/gpu/drm/nouveau/nouveau_fence.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_FENCE_H__ #define __NOUVEAU_FENCE_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.h b/drivers/gpu/drm/nouveau/nouveau_gem.h index 8fa6ed9ddd3a..0456c94a5d4d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.h +++ b/drivers/gpu/drm/nouveau/nouveau_gem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_GEM_H__ #define __NOUVEAU_GEM_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_ioctl.h b/drivers/gpu/drm/nouveau/nouveau_ioctl.h index 3b9f2e5463a7..380ede26806c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ioctl.h +++ b/drivers/gpu/drm/nouveau/nouveau_ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_IOCTL_H__ #define __NOUVEAU_IOCTL_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_reg.h b/drivers/gpu/drm/nouveau/nouveau_reg.h index 7226f1f60901..b5b5fe40779d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_reg.h +++ b/drivers/gpu/drm/nouveau/nouveau_reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define NV04_PFB_BOOT_0 0x00100000 # define NV04_PFB_BOOT_0_RAM_AMOUNT 0x00000003 diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c index b7ab268f7d6f..fde11ce466e4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c +++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pagemap.h> #include <linux/slab.h> diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.h b/drivers/gpu/drm/nouveau/nouveau_ttm.h index 25b0de413352..96082b696420 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.h +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_TTM_H__ #define __NOUVEAU_TTM_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_usif.h b/drivers/gpu/drm/nouveau/nouveau_usif.h index c037e3ae8c70..c68f1c65af3b 100644 --- a/drivers/gpu/drm/nouveau/nouveau_usif.h +++ b/drivers/gpu/drm/nouveau/nouveau_usif.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_USIF_H__ #define __NOUVEAU_USIF_H__ diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index 48393a4f6331..52e52a360fb1 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/vgaarb.h> #include <linux/vga_switcheroo.h> diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.h b/drivers/gpu/drm/nouveau/nouveau_vga.h index ea3ad6974c65..6a3000c88142 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.h +++ b/drivers/gpu/drm/nouveau/nouveau_vga.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NOUVEAU_VGA_H__ #define __NOUVEAU_VGA_H__ diff --git a/drivers/gpu/drm/nouveau/nv10_fence.h b/drivers/gpu/drm/nouveau/nv10_fence.h index b7a508585304..7616c66803f8 100644 --- a/drivers/gpu/drm/nouveau/nv10_fence.h +++ b/drivers/gpu/drm/nouveau/nv10_fence.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV10_FENCE_H_ #define __NV10_FENCE_H_ diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index e4751f92b342..fb47d46050ec 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -4099,7 +4099,7 @@ nv50_disp_atomic_commit(struct drm_device *dev, { struct nouveau_drm *drm = nouveau_drm(dev); struct nv50_disp *disp = nv50_disp(dev); - struct drm_plane_state *old_plane_state; + struct drm_plane_state *new_plane_state; struct drm_plane *plane; struct drm_crtc *crtc; bool active = false; @@ -4129,8 +4129,8 @@ nv50_disp_atomic_commit(struct drm_device *dev, if (ret) goto err_cleanup; - for_each_old_plane_in_state(state, plane, old_plane_state, i) { - struct nv50_wndw_atom *asyw = nv50_wndw_atom(old_plane_state); + for_each_new_plane_in_state(state, plane, new_plane_state, i) { + struct nv50_wndw_atom *asyw = nv50_wndw_atom(new_plane_state); struct nv50_wndw *wndw = nv50_wndw(plane); if (asyw->set.image) { diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h index d9ca9636a3e3..da130f5058e5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gf100.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf100_ce_data[] = { /* 0x0000: ctx_object */ 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h index f0a1cf31c7ca..0b92eb32598d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/fuc/gt215.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gt215_ce_data[] = { /* 0x0000: ctx_object */ 0x00000000, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h index 2dce405976ad..0e3d08f11b0b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/ce/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CE_PRIV_H__ #define __NVKM_CE_PRIV_H__ #include <engine/ce.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h index 1bbe76e0740a..6a62021e9861 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/acpi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVICE_ACPI_H__ #define __NVKM_DEVICE_ACPI_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h index 20249d8e444d..f279162f48c6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/ctrl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVICE_CTRL_H__ #define __NVKM_DEVICE_CTRL_H__ #define nvkm_control(p) container_of((p), struct nvkm_control, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h index 6c16f3835f44..08d0bf605722 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVICE_PRIV_H__ #define __NVKM_DEVICE_PRIV_H__ #include <core/device.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h index 737b38f6fbd2..5701b3221a54 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/channv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_DISP_CHAN_H__ #define __NV50_DISP_CHAN_H__ #define nv50_disp_chan(p) container_of((p), struct nv50_disp_chan, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h index de962b7b026d..090e869ae612 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/conn.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_CONN_H__ #define __NVKM_DISP_CONN_H__ #include <engine/disp.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h index ea4a0d062e31..f9b98211da6a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacnv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_DISP_DMAC_H__ #define __NV50_DISP_DMAC_H__ #define nv50_disp_dmac(p) container_of((p), struct nv50_disp_dmac, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h index 59173c290525..495f665a0ee6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_DP_H__ #define __NVKM_DISP_DP_H__ #define nvkm_dp(p) container_of((p), struct nvkm_dp, outp) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c index e82c68f18444..d131cca999dd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "hdmi.h" void pack_hdmi_infoframe(struct packed_hdmi_infoframe *packed_frame, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h index 528f5621a496..45094c6e1425 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_HDMI_H__ #define __NVKM_DISP_HDMI_H__ #include "ior.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h index b04c49d2eeeb..57030b3a4a75 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/head.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_HEAD_H__ #define __NVKM_DISP_HEAD_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h index a1e8bf48b778..cd6dd8742dc6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/ior.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_IOR_H__ #define __NVKM_DISP_IOR_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h index 6ea19466f436..eb0b8acb1c5b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_DISP_H__ #define __NV50_DISP_H__ #define nv50_disp(p) container_of((p), struct nv50_disp, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h index 146d101d4891..ea84d7d5741a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/outp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_OUTP_H__ #define __NVKM_DISP_OUTP_H__ #include <engine/disp.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h index 5772f0094129..6c9bfff6d043 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DISP_PRIV_H__ #define __NVKM_DISP_PRIV_H__ #include <engine/disp.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h index b147cf5b3518..4818fa69ae6c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/rootnv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_DISP_ROOT_H__ #define __NV50_DISP_ROOT_H__ #define nv50_disp_root(p) container_of((p), struct nv50_disp_root, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h index deb37ee55c0b..4307cbecd5c5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DMA_PRIV_H__ #define __NVKM_DMA_PRIV_H__ #define nvkm_dma(p) container_of((p), struct nvkm_dma, engine) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h index 69a7f1034024..4bbac8a21c71 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/dma/user.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DMA_USER_H__ #define __NVKM_DMA_USER_H__ #define nvkm_dmaobj(p) container_of((p), struct nvkm_dmaobj, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h index d8019bdacd61..3ffef236189e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/chan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FIFO_CHAN_H__ #define __NVKM_FIFO_CHAN_H__ #define nvkm_fifo_chan(p) container_of((p), struct nvkm_fifo_chan, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h index 7d697e2dce1a..27002caba420 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changf100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GF100_FIFO_CHAN_H__ #define __GF100_FIFO_CHAN_H__ #define gf100_fifo_chan(p) container_of((p), struct gf100_fifo_chan, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h index 230f64e5f731..ec10be2984a9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/changk104.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GK104_FIFO_CHAN_H__ #define __GK104_FIFO_CHAN_H__ #define gk104_fifo_chan(p) container_of((p), struct gk104_fifo_chan, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h index 3361a1fd0343..15b06bdf5067 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV04_FIFO_CHAN_H__ #define __NV04_FIFO_CHAN_H__ #define nv04_fifo_chan(p) container_of((p), struct nv04_fifo_chan, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h index 4b9da469b704..ad9aa157e078 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/channv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_FIFO_CHAN_H__ #define __NV50_FIFO_CHAN_H__ #define nv50_fifo_chan(p) container_of((p), struct nv50_fifo_chan, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h index 70db58eab9c3..571a6edb3f97 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gf100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GF100_FIFO_H__ #define __GF100_FIFO_H__ #define gf100_fifo(p) container_of((p), struct gf100_fifo, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h index 44bff98d6725..0506c5290936 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/gk104.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GK104_FIFO_H__ #define __GK104_FIFO_H__ #define gk104_fifo(p) container_of((p), struct gk104_fifo, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h index 03f60004bf7c..1d70542553cc 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV04_FIFO_H__ #define __NV04_FIFO_H__ #define nv04_fifo(p) container_of((p), struct nv04_fifo, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h index 8ab53948cbb4..a3994e8db462 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_FIFO_H__ #define __NV50_FIFO_H__ #define nv50_fifo(p) container_of((p), struct nv50_fifo, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h index f889b13b5e41..ae76b1aaccd4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FIFO_PRIV_H__ #define __NVKM_FIFO_PRIV_H__ #define nvkm_fifo(p) container_of((p), struct nvkm_fifo, engine) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h index 92d56221197b..49892a5e7201 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/fifo/regsnv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV04_FIFO_REGS_H__ #define __NV04_FIFO_REGS_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h index 017180d147cf..2812ca511c9c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxgf100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GRCTX_NVC0_H__ #define __NVKM_GRCTX_NVC0_H__ #include "gf100.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h index 50e808e9f926..4d67d90261b8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/ctxnv40.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GRCTX_H__ #define __NVKM_GRCTX_H__ #include <core/gpuobj.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h index 12a703fe355d..0323acb739c8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf100.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf100_grgpc_data[] = { /* 0x0000: gpc_mmio_list_head */ 0x00000064, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h index ffbfc51200f1..1bb265917915 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgf117.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf117_grgpc_data[] = { /* 0x0000: gpc_mmio_list_head */ 0x0000006c, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h index 357f662de571..cf8343a693ba 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk104.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk104_grgpc_data[] = { /* 0x0000: gpc_mmio_list_head */ 0x0000006c, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h index 4ffc8212a85c..f4bfa109ed27 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk110.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk110_grgpc_data[] = { /* 0x0000: gpc_mmio_list_head */ 0x0000006c, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h index 09196206c9bc..59a3e1b2927f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgk208.fuc5.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk208_grgpc_data[] = { /* 0x0000: gpc_mmio_list_head */ 0x0000006c, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h index 6d7d004363d9..8daa0516704a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/gpcgm107.fuc5.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gm107_grgpc_data[] = { /* 0x0000: gpc_mmio_list_head */ 0x0000006c, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h index 7538404b8b13..cbf2351f8da8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf100.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf100_grhub_data[] = { /* 0x0000: hub_mmio_list_head */ 0x00000300, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h index ce000a47ec6d..70830036ffee 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgf117.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf117_grhub_data[] = { /* 0x0000: hub_mmio_list_head */ 0x00000300, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h index 1f26cb6a233c..7f2fd84d0c3a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk104.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk104_grhub_data[] = { /* 0x0000: hub_mmio_list_head */ 0x00000300, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h index 70436d93efe3..560063789de8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk110.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk110_grhub_data[] = { /* 0x0000: hub_mmio_list_head */ 0x00000300, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h index e0933a07426a..71e85784b615 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgk208.fuc5.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk208_grhub_data[] = { /* 0x0000: hub_mmio_list_head */ 0x00000300, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h index 9b432823bcbe..d85eac6d1c61 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/hubgm107.fuc5.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gm107_grhub_data[] = { /* 0x0000: hub_mmio_list_head */ 0x00000300, diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h index 1718ae4e8224..f87693809c9f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/fuc/os.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GRAPH_OS_H__ #define __NVKM_GRAPH_OS_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h index d7c3d86cc99d..d5a376c4dd0b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv10.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV10_GR_H__ #define __NV10_GR_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c index d1dc92999dc0..df2cd864147c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "nv20.h" #include "regs.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h index cdf4501e3798..ad7e53bb7c23 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv20.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV20_GR_H__ #define __NV20_GR_H__ #define nv20_gr(p) container_of((p), struct nv20_gr, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c index 6c4a00819b4b..e59a28a26d65 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv25.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "nv20.h" #include "regs.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c index 3cad26dbc2b1..e113b2d4c811 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv2a.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "nv20.h" #include "regs.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c index b4e3c50badc7..4aac2c224874 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv30.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "nv20.h" #include "regs.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c index e7ed04b935cd..301556503e93 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv34.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "nv20.h" #include "regs.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c index 5e8abacbacc6..5d6926611a5b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv35.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "nv20.h" #include "regs.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h index 2812ed11f877..89b773233ac5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv40.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV40_GR_H__ #define __NV40_GR_H__ #define nv40_gr(p) container_of((p), struct nv40_gr, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h index 45eec83a5969..567fa4f3e518 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_GR_H__ #define __NV50_GR_H__ #define nv50_gr(p) container_of((p), struct nv50_gr, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h index 2a52d9f026ec..66359c23cbce 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GR_PRIV_H__ #define __NVKM_GR_PRIV_H__ #define nvkm_gr(p) container_of((p), struct nvkm_gr, engine) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h index 90a9873ce522..dc4f936675ac 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GR_REGS_H__ #define __NVKM_GR_REGS_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h index d3bb34fcdebf..1ac2b4558bec 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV31_MPEG_H__ #define __NV31_MPEG_H__ #define nv31_mpeg(p) container_of((p), struct nv31_mpeg, engine) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h index d5753103ff63..26f9d14151e2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MPEG_PRIV_H__ #define __NVKM_MPEG_PRIV_H__ #include <engine/mpeg.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h index d518af4bc9de..db305072a82f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mspdec/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSPDEC_PRIV_H__ #define __NVKM_MSPDEC_PRIV_H__ #include <engine/mspdec.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h index 37a91f9d9181..7708e52c9043 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/msppp/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSPPP_PRIV_H__ #define __NVKM_MSPPP_PRIV_H__ #include <engine/msppp.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h index 9dc1da67d929..66c36049abca 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/msvld/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MSVLD_PRIV_H__ #define __NVKM_MSVLD_PRIV_H__ #include <engine/msvld.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h index 353b94f51205..6c300739f621 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/nvdec/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_NVDEC_PRIV_H__ #define __NVKM_NVDEC_PRIV_H__ #include <engine/nvdec.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h index 56d0344853ea..c74fd4557d41 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/gf100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PM_NVC0_H__ #define __NVKM_PM_NVC0_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h index da481abe8f7a..3f37b713936c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PM_NV40_H__ #define __NVKM_PM_NV40_H__ #define nv40_pm(p) container_of((p), struct nv40_pm, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h index d7b81cbf82b5..17240d54b1eb 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PM_PRIV_H__ #define __NVKM_PM_PRIV_H__ #define nvkm_pm(p) container_of((p), struct nvkm_pm, engine) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h b/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h index 4b57f8814560..6278a0c5fe83 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec/fuc/g98.fuc0s.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t g98_sec_data[] = { /* 0x0000: ctx_dma */ /* 0x0000: ctx_dma_query */ diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h index 7ecc9d4724dc..2f97c806a79d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SEC2_PRIV_H__ #define __NVKM_SEC2_PRIV_H__ #include <engine/sec2.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h index 6608bf6c6842..b1fa69314e4a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/chan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SW_CHAN_H__ #define __NVKM_SW_CHAN_H__ #define nvkm_sw_chan(p) container_of((p), struct nvkm_sw_chan, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h index 25cdfdef2d46..459afd30a484 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SW_NV50_H__ #define __NVKM_SW_NV50_H__ #define nv50_sw_chan(p) container_of((p), struct nv50_sw_chan, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h index 943ef4c10091..7050a9e49db1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/nvsw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_NVSW_H__ #define __NVKM_NVSW_H__ #define nvkm_nvsw(p) container_of((p), struct nvkm_nvsw, object) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h index 0ef1318dc2fd..4aca1791abc3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/engine/sw/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_SW_PRIV_H__ #define __NVKM_SW_PRIV_H__ #define nvkm_sw(p) container_of((p), struct nvkm_sw, engine) diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h b/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h index 97b56f759d0b..d515ad994199 100644 --- a/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FALCON_PRIV_H__ #define __NVKM_FALCON_PRIV_H__ #include <engine/falcon.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h index 20a5255362ba..9accd7923788 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GF100_BAR_H__ #define __GF100_BAR_H__ #define gf100_bar(p) container_of((p), struct gf100_bar, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h index 1eb764f22a49..ce9ab9110b08 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_BAR_H__ #define __NV50_BAR_H__ #define nv50_bar(p) container_of((p), struct nv50_bar, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h index d834ef20db5b..63d111c8afd4 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bar/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BAR_PRIV_H__ #define __NVKM_BAR_PRIV_H__ #define nvkm_bar(p) container_of((p), struct nvkm_bar, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h index 7d1d3c6b4b72..33435ca16311 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BIOS_PRIV_H__ #define __NVKM_BIOS_PRIV_H__ #define nvkm_bios(p) container_of((p), struct nvkm_bios, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h index 54ec3b131dfd..17ac1812a928 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/hwsq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BUS_HWSQ_H__ #define __NVKM_BUS_HWSQ_H__ #include <subdev/bus.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h index a130f2c642d5..ef01e569352d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bus/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_BUS_PRIV_H__ #define __NVKM_BUS_PRIV_H__ #define nvkm_bus(p) container_of((p), struct nvkm_bus, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h index 8865b59fe575..1ea886a4301f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CLK_NVA3_H__ #define __NVKM_CLK_NVA3_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h index d3c7fb6efa16..f134d979d884 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_CLK_H__ #define __NV50_CLK_H__ #define nv50_clk(p) container_of((p), struct nv50_clk, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h index 44020a30dee8..9a39f1fd2976 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/pll.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PLL_H__ #define __NVKM_PLL_H__ #include <core/os.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h index 51eafc00c8b1..b656177923fb 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CLK_PRIV_H__ #define __NVKM_CLK_PRIV_H__ #define nvkm_clk(p) container_of((p), struct nvkm_clk, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h index d717e8b8f679..d0715fe84328 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/seq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_CLK_SEQ_H__ #define __NVKM_CLK_SEQ_H__ #include <subdev/bus/hwsq.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h index 4a87c8c2bce8..b18e49847eee 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV04_DEVINIT_H__ #define __NV04_DEVINIT_H__ #define nv04_devinit(p) container_of((p), struct nv04_devinit, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h index 25d2ae3af1c6..315ebaff1165 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV50_DEVINIT_H__ #define __NV50_DEVINIT_H__ #define nv50_devinit(p) container_of((p), struct nv50_devinit, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h index e1f6ae58f1d3..5b3097a586dd 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_DEVINIT_PRIV_H__ #define __NVKM_DEVINIT_PRIV_H__ #define nvkm_devinit(p) container_of((p), struct nvkm_devinit, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h index 412eb89834e8..1756f7b02858 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gf100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_RAM_NVC0_H__ #define __NVKM_RAM_NVC0_H__ #define gf100_fb(p) container_of((p), struct gf100_fb, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h index faa88c8c66fe..a37758c76268 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/nv50.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FB_NV50_H__ #define __NVKM_FB_NV50_H__ #define nv50_fb(p) container_of((p), struct nv50_fb, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h index e905d44fa1d5..8e87b887d4f5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FB_PRIV_H__ #define __NVKM_FB_PRIV_H__ #define nvkm_fb(p) container_of((p), struct nvkm_fb, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h index fac7e73c3ddf..b2122d261f8d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ram.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FB_RAM_PRIV_H__ #define __NVKM_FB_RAM_PRIV_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h index 9ef9d6aa3721..a65fa5586af8 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramfuc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FBRAM_FUC_H__ #define __NVKM_FBRAM_FUC_H__ #include <subdev/fb.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h index 8a0524566b48..8549fdf2437c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramnv40.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV40_FB_RAM_H__ #define __NV40_FB_RAM_H__ #define nv40_ram(p) container_of((p), struct nv40_ram, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h index 8df7306d5729..d8f5053e8e2a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/ramseq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FBRAM_SEQ_H__ #define __NVKM_FBRAM_SEQ_H__ #include <subdev/bus/hwsq.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h index 1f865f61504e..ad26fcbe9e06 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/regsnv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FB_REGS_04_H__ #define __NVKM_FB_REGS_04_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h index b0390b540ef5..3a5595a9e457 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_FUSE_PRIV_H__ #define __NVKM_FUSE_PRIV_H__ #define nvkm_fuse(p) container_of((p), struct nvkm_fuse, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h index 371bcdbbe0d6..9759f13447bf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gpio/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_GPIO_PRIV_H__ #define __NVKM_GPIO_PRIV_H__ #define nvkm_gpio(p) container_of((p), struct nvkm_gpio, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h index 9587ab456d9e..7d56c4ba693c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/aux.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_I2C_AUX_H__ #define __NVKM_I2C_AUX_H__ #include "pad.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h index e1be14c23e54..bea0dd33961e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/bus.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_I2C_BUS_H__ #define __NVKM_I2C_BUS_H__ #include "pad.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h index 316c4536f29a..33f0c809e583 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/pad.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_I2C_PAD_H__ #define __NVKM_I2C_PAD_H__ #include <subdev/i2c.h> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h index bf655a66ef40..f476a69b6cb7 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_I2C_PRIV_H__ #define __NVKM_I2C_PRIV_H__ #define nvkm_i2c(p) container_of((p), struct nvkm_i2c, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h index 01caf798cf31..504a6d37ec50 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_IBUS_PRIV_H__ #define __NVKM_IBUS_PRIV_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h index e90e0f6ed008..bd599b8252ca 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/iccsense/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_ICCSENSE_PRIV_H__ #define __NVKM_ICCSENSE_PRIV_H__ #define nvkm_iccsense(p) container_of((p), struct nvkm_iccsense, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h index ace4471864a3..021e7a1f39a1 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_INSTMEM_PRIV_H__ #define __NVKM_INSTMEM_PRIV_H__ #define nvkm_instmem(p) container_of((p), struct nvkm_instmem, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h index 8b95f96e3ffa..e71cc25cc775 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ltc/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_LTC_PRIV_H__ #define __NVKM_LTC_PRIV_H__ #define nvkm_ltc(p) container_of((p), struct nvkm_ltc, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h index 3be4126441e4..8869d79c2b59 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MC_PRIV_H__ #define __NVKM_MC_PRIV_H__ #define nvkm_mc(p) container_of((p), struct nvkm_mc, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h index 363e33b296d5..9c35c43635c2 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV04_MMU_PRIV__ #define __NV04_MMU_PRIV__ #define nv04_mmu(p) container_of((p), struct nv04_mmu, base) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h index 27cedc60b507..bf37f313b5bb 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MMU_PRIV_H__ #define __NVKM_MMU_PRIV_H__ #define nvkm_mmu(p) container_of((p), struct nvkm_mmu, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h index 333e0c01545a..011a67fe4a8b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/mxms.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVMXM_MXMS_H__ #define __NVMXM_MXMS_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h index 7d970157aed1..6767c2279e7c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mxm/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_MXM_PRIV_H__ #define __NVKM_MXM_PRIV_H__ #define nvkm_mxm(p) container_of((p), struct nvkm_mxm, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h index df2dd08363ad..edb7f00f0de5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/agp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include "priv.h" #if defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)) #ifndef __NVKM_PCI_AGP_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h index 86921ec962d6..c17f6063c9ea 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pci/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PCI_PRIV_H__ #define __NVKM_PCI_PRIV_H__ #define nvkm_pci(p) container_of((p), struct nvkm_pci, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h index 0bcf0b307a61..53d01fb00a8b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf100.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf100_pmu_data[] = { /* 0x0000: proc_kern */ 0x52544e49, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h index fe8905666c67..e1e981966c2d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gf119.fuc4.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gf119_pmu_data[] = { /* 0x0000: proc_kern */ 0x52544e49, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h index 9cf4e6fc724e..c4edbc79e41a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gk208.fuc5.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gk208_pmu_data[] = { /* 0x0000: proc_kern */ 0x52544e49, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h index 5d692425b190..6a2572e8945a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/gt215.fuc3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ static uint32_t gt215_pmu_data[] = { /* 0x0000: proc_kern */ 0x52544e49, diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h index c8b06cb77e72..30d9480b9be5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/fuc/os.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PWR_OS_H__ #define __NVKM_PWR_OS_H__ diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c index e6f74168238c..11b28b086a06 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/memx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef __NVKM_PMU_MEMX_H__ #define __NVKM_PMU_MEMX_H__ #include "priv.h" diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h index a4c48a10cd47..e9c6f9725afe 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_PMU_PRIV_H__ #define __NVKM_PMU_PRIV_H__ #define nvkm_pmu(p) container_of((p), struct nvkm_pmu, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h index f820ca2aeda4..3b8878486faa 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_TIMER_PRIV_H__ #define __NVKM_TIMER_PRIV_H__ #define nvkm_timer(p) container_of((p), struct nvkm_timer, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h index 10bef85b485e..23d07f5f44d9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/regsnv04.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define NV04_PTIMER_INTR_0 0x009100 #define NV04_PTIMER_INTR_EN_0 0x009140 #define NV04_PTIMER_NUMERATOR 0x009200 diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h index adb3ed03d937..4f49b0acaa0e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_TOP_PRIV_H__ #define __NVKM_TOP_PRIV_H__ #define nvkm_top(p) container_of((p), struct nvkm_top, subdev) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h index 354bafe4b4e2..1a8ad560321b 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/volt/priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVKM_VOLT_PRIV_H__ #define __NVKM_VOLT_PRIV_H__ #define nvkm_volt(p) container_of((p), struct nvkm_volt, subdev) diff --git a/drivers/gpu/drm/omapdrm/Makefile b/drivers/gpu/drm/omapdrm/Makefile index b391be7ecb6c..f115253115c5 100644 --- a/drivers/gpu/drm/omapdrm/Makefile +++ b/drivers/gpu/drm/omapdrm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) diff --git a/drivers/gpu/drm/omapdrm/displays/Makefile b/drivers/gpu/drm/omapdrm/displays/Makefile index 46baafb1a83e..d99659e1381b 100644 --- a/drivers/gpu/drm/omapdrm/displays/Makefile +++ b/drivers/gpu/drm/omapdrm/displays/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_OMAP_ENCODER_OPA362) += encoder-opa362.o obj-$(CONFIG_DRM_OMAP_ENCODER_TFP410) += encoder-tfp410.o obj-$(CONFIG_DRM_OMAP_ENCODER_TPD12S015) += encoder-tpd12s015.o diff --git a/drivers/gpu/drm/omapdrm/dss/Makefile b/drivers/gpu/drm/omapdrm/dss/Makefile index 142ce5a02542..62d5b4f45420 100644 --- a/drivers/gpu/drm/omapdrm/dss/Makefile +++ b/drivers/gpu/drm/omapdrm/dss/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_OMAP2_DSS_INIT) += omapdss-boot-init.o obj-$(CONFIG_OMAP_DSS_BASE) += omapdss-base.o diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_common.c b/drivers/gpu/drm/omapdrm/dss/hdmi_common.c index 4dfb67fe5f6d..3ecde23ac604 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi_common.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define DSS_SUBSYS_NAME "HDMI" diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile index 9f6610d08b00..d73d3e661cec 100644 --- a/drivers/gpu/drm/panel/Makefile +++ b/drivers/gpu/drm/panel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DRM_PANEL_LVDS) += panel-lvds.o obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o obj-$(CONFIG_DRM_PANEL_INNOLUX_P079ZCA) += panel-innolux-p079zca.o diff --git a/drivers/gpu/drm/pl111/Makefile b/drivers/gpu/drm/pl111/Makefile index 59483d610ef5..f2874bbdaa14 100644 --- a/drivers/gpu/drm/pl111/Makefile +++ b/drivers/gpu/drm/pl111/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 pl111_drm-y += pl111_connector.o \ pl111_display.o \ pl111_drv.o diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile index 4acbb944bcd2..0ad8244b5ccf 100644 --- a/drivers/gpu/drm/radeon/Makefile +++ b/drivers/gpu/drm/radeon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c index b928c17bdeed..c21d8fa591ef 100644 --- a/drivers/gpu/drm/radeon/mkregtable.c +++ b/drivers/gpu/drm/radeon/mkregtable.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* utility to create the register check tables * this includes inlined list.h safe for userspace. * diff --git a/drivers/gpu/drm/radeon/r100_track.h b/drivers/gpu/drm/radeon/r100_track.h index eb40888bdfcc..ad16a925f8d5 100644 --- a/drivers/gpu/drm/radeon/r100_track.h +++ b/drivers/gpu/drm/radeon/r100_track.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define R100_TRACK_MAX_TEXTURE 3 #define R200_TRACK_MAX_TEXTURE 6 diff --git a/drivers/gpu/drm/radeon/radeon_dp_mst.c b/drivers/gpu/drm/radeon/radeon_dp_mst.c index ebdf1b859cb6..2917ea1b667e 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_mst.c +++ b/drivers/gpu/drm/radeon/radeon_dp_mst.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <drm/drmP.h> #include <drm/drm_dp_mst_helper.h> diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c index 3386452bd2f0..cf3deb283da5 100644 --- a/drivers/gpu/drm/radeon/radeon_gem.c +++ b/drivers/gpu/drm/radeon/radeon_gem.c @@ -451,7 +451,7 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data, else r = 0; - cur_placement = ACCESS_ONCE(robj->tbo.mem.mem_type); + cur_placement = READ_ONCE(robj->tbo.mem.mem_type); args->domain = radeon_mem_type_to_domain(cur_placement); drm_gem_object_put_unlocked(gobj); return r; @@ -481,7 +481,7 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data, r = ret; /* Flush HDP cache via MMIO if necessary */ - cur_placement = ACCESS_ONCE(robj->tbo.mem.mem_type); + cur_placement = READ_ONCE(robj->tbo.mem.mem_type); if (rdev->asic->mmio_hdp_flush && radeon_mem_type_to_domain(cur_placement) == RADEON_GEM_DOMAIN_VRAM) robj->rdev->asic->mmio_hdp_flush(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_legacy_tv.c b/drivers/gpu/drm/radeon/radeon_legacy_tv.c index 49750d07ab7d..611cf934b211 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_tv.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_tv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> #include "radeon.h" diff --git a/drivers/gpu/drm/radeon/radeon_trace.h b/drivers/gpu/drm/radeon/radeon_trace.h index fdce4062901f..db8f079e441e 100644 --- a/drivers/gpu/drm/radeon/radeon_trace.h +++ b/drivers/gpu/drm/radeon/radeon_trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_RADEON_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) #define _RADEON_TRACE_H_ diff --git a/drivers/gpu/drm/radeon/radeon_trace_points.c b/drivers/gpu/drm/radeon/radeon_trace_points.c index e51d3575976b..66b3d5084662 100644 --- a/drivers/gpu/drm/radeon/radeon_trace_points.c +++ b/drivers/gpu/drm/radeon/radeon_trace_points.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Copyright Red Hat Inc 2010. * Author : Dave Airlie <airlied@redhat.com> */ diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile index 2131e722de3b..0cf5c11030e8 100644 --- a/drivers/gpu/drm/rcar-du/Makefile +++ b/drivers/gpu/drm/rcar-du/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rcar-du-drm-y := rcar_du_crtc.o \ rcar_du_drv.o \ rcar_du_encoder.o \ diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile index fa8dc9d9aac2..305409818ffb 100644 --- a/drivers/gpu/drm/rockchip/Makefile +++ b/drivers/gpu/drm/rockchip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/selftests/drm_mm_selftests.h b/drivers/gpu/drm/selftests/drm_mm_selftests.h index 37bbdac52896..54acc117550c 100644 --- a/drivers/gpu/drm/selftests/drm_mm_selftests.h +++ b/drivers/gpu/drm/selftests/drm_mm_selftests.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* List each unit test as selftest(name, function) * * The name is used as both an enum and expanded as igt__name to create diff --git a/drivers/gpu/drm/shmobile/Makefile b/drivers/gpu/drm/shmobile/Makefile index 4c3eeb355630..861edafed856 100644 --- a/drivers/gpu/drm/shmobile/Makefile +++ b/drivers/gpu/drm/shmobile/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 shmob-drm-y := shmob_drm_backlight.o \ shmob_drm_crtc.o \ shmob_drm_drv.o \ diff --git a/drivers/gpu/drm/sti/Makefile b/drivers/gpu/drm/sti/Makefile index c35db12435c3..f203ac5514ae 100644 --- a/drivers/gpu/drm/sti/Makefile +++ b/drivers/gpu/drm/sti/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 sti-drm-y := \ sti_mixer.o \ sti_gdp.o \ diff --git a/drivers/gpu/drm/sun4i/Makefile b/drivers/gpu/drm/sun4i/Makefile index 43c753cafc88..55b32368f8fb 100644 --- a/drivers/gpu/drm/sun4i/Makefile +++ b/drivers/gpu/drm/sun4i/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 sun4i-drm-y += sun4i_drv.o sun4i-drm-y += sun4i_framebuffer.o diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile index 8927784396e8..46d65d39214d 100644 --- a/drivers/gpu/drm/tegra/Makefile +++ b/drivers/gpu/drm/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG tegra-drm-y := \ diff --git a/drivers/gpu/drm/tilcdc/Makefile b/drivers/gpu/drm/tilcdc/Makefile index 55ebd516728f..b9e1108e5b4e 100644 --- a/drivers/gpu/drm/tilcdc/Makefile +++ b/drivers/gpu/drm/tilcdc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifeq (, $(findstring -W,$(EXTRA_CFLAGS))) ccflags-y += -Werror endif diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile index 4d0c938ff4b2..a60e560804e0 100644 --- a/drivers/gpu/drm/ttm/Makefile +++ b/drivers/gpu/drm/ttm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the diff --git a/drivers/gpu/drm/vc4/Makefile b/drivers/gpu/drm/vc4/Makefile index 25bd5d30415d..837c82757339 100644 --- a/drivers/gpu/drm/vc4/Makefile +++ b/drivers/gpu/drm/vc4/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Please keep these build lists sorted! # core driver code diff --git a/drivers/gpu/drm/virtio/Makefile b/drivers/gpu/drm/virtio/Makefile index 7684f613bdc3..f29deec83d1f 100644 --- a/drivers/gpu/drm/virtio/Makefile +++ b/drivers/gpu/drm/virtio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the drm device driver. This driver provides support for the # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher. diff --git a/drivers/gpu/drm/vmwgfx/Makefile b/drivers/gpu/drm/vmwgfx/Makefile index a365330bbb82..ad80211e1098 100644 --- a/drivers/gpu/drm/vmwgfx/Makefile +++ b/drivers/gpu/drm/vmwgfx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vmwgfx-y := vmwgfx_execbuf.o vmwgfx_gmr.o vmwgfx_kms.o vmwgfx_drv.o \ vmwgfx_fb.o vmwgfx_ioctl.o vmwgfx_resource.o vmwgfx_buffer.o \ vmwgfx_fifo.o vmwgfx_irq.o vmwgfx_ldu.o vmwgfx_ttm_glue.o \ diff --git a/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h b/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h index 120eab830eaf..3a195e8106b3 100644 --- a/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h +++ b/drivers/gpu/drm/vmwgfx/device_include/vm_basic_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VM_BASIC_TYPES_H_ #define _VM_BASIC_TYPES_H_ #include <linux/kernel.h> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index e84fee3ec4f3..184340d486c3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -721,7 +721,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset) * allocation taken by fbdev */ if (!(dev_priv->capabilities & SVGA_CAP_3D)) - mem_size *= 2; + mem_size *= 3; dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE; dev_priv->prim_bb_mem = diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index 3bbad22b3748..d6b1c509ae01 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -224,7 +224,7 @@ out: return ret; } -static struct dma_fence_ops vmw_fence_ops = { +static const struct dma_fence_ops vmw_fence_ops = { .get_driver_name = vmw_fence_get_driver_name, .get_timeline_name = vmw_fence_get_timeline_name, .enable_signaling = vmw_fence_enable_signaling, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index a552e4ea5440..6ac094ee8983 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -904,7 +904,7 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv, if (unlikely(drm_is_render_client(file_priv))) require_exist = true; - if (ACCESS_ONCE(vmw_fpriv(file_priv)->locked_master)) { + if (READ_ONCE(vmw_fpriv(file_priv)->locked_master)) { DRM_ERROR("Locked master refused legacy " "surface reference.\n"); return -EACCES; diff --git a/drivers/gpu/drm/zte/Makefile b/drivers/gpu/drm/zte/Makefile index 9df7766a7f9d..b6d966d849dd 100644 --- a/drivers/gpu/drm/zte/Makefile +++ b/drivers/gpu/drm/zte/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 zxdrm-y := \ zx_drm_drv.o \ zx_hdmi.o \ diff --git a/drivers/gpu/host1x/Makefile b/drivers/gpu/host1x/Makefile index a1d9974cfcb5..c0b80244158d 100644 --- a/drivers/gpu/host1x/Makefile +++ b/drivers/gpu/host1x/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 host1x-y = \ bus.o \ syncpt.o \ diff --git a/drivers/gpu/ipu-v3/Makefile b/drivers/gpu/ipu-v3/Makefile index 8cdf9e4ae772..7cc8b47e488b 100644 --- a/drivers/gpu/ipu-v3/Makefile +++ b/drivers/gpu/ipu-v3/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IMX_IPUV3_CORE) += imx-ipu-v3.o imx-ipu-v3-objs := ipu-common.o ipu-cpmem.o ipu-csi.o ipu-dc.o ipu-di.o \ diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 8659d7e633a5..235bd2a7b333 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the HID driver # diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h index 10dd8f024135..3d8902ba1c6c 100644 --- a/drivers/hid/hid-lg.h +++ b/drivers/hid/hid-lg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __HID_LG_H #define __HID_LG_H diff --git a/drivers/hid/hid-lg4ff.h b/drivers/hid/hid-lg4ff.h index de1f350e0bd3..e5c55d515ac2 100644 --- a/drivers/hid/hid-lg4ff.h +++ b/drivers/hid/hid-lg4ff.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __HID_LG4FF_H #define __HID_LG4FF_H diff --git a/drivers/hid/intel-ish-hid/Makefile b/drivers/hid/intel-ish-hid/Makefile index 8c08b0b358b1..825b70af672f 100644 --- a/drivers/hid/intel-ish-hid/Makefile +++ b/drivers/hid/intel-ish-hid/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - Intel ISH HID drivers # Copyright (c) 2014-2016, Intel Corporation. diff --git a/drivers/hid/usbhid/Makefile b/drivers/hid/usbhid/Makefile index 890f2914a8ff..0ff227d0c033 100644 --- a/drivers/hid/usbhid/Makefile +++ b/drivers/hid/usbhid/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the USB input drivers # diff --git a/drivers/hsi/Makefile b/drivers/hsi/Makefile index 96944783d584..53c3bcdbf1b0 100644 --- a/drivers/hsi/Makefile +++ b/drivers/hsi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for HSI # diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c index 93d28c0ec8bf..9b167bc6eee4 100644 --- a/drivers/hsi/clients/ssi_protocol.c +++ b/drivers/hsi/clients/ssi_protocol.c @@ -464,10 +464,10 @@ static void ssip_error(struct hsi_client *cl) hsi_async_read(cl, msg); } -static void ssip_keep_alive(unsigned long data) +static void ssip_keep_alive(struct timer_list *t) { - struct hsi_client *cl = (struct hsi_client *)data; - struct ssi_protocol *ssi = hsi_client_drvdata(cl); + struct ssi_protocol *ssi = from_timer(ssi, t, keep_alive); + struct hsi_client *cl = ssi->cl; dev_dbg(&cl->device, "Keep alive kick in: m(%d) r(%d) s(%d)\n", ssi->main_state, ssi->recv_state, ssi->send_state); @@ -490,9 +490,19 @@ static void ssip_keep_alive(unsigned long data) spin_unlock(&ssi->lock); } -static void ssip_wd(unsigned long data) +static void ssip_rx_wd(struct timer_list *t) +{ + struct ssi_protocol *ssi = from_timer(ssi, t, rx_wd); + struct hsi_client *cl = ssi->cl; + + dev_err(&cl->device, "Watchdog trigerred\n"); + ssip_error(cl); +} + +static void ssip_tx_wd(struct timer_list *t) { - struct hsi_client *cl = (struct hsi_client *)data; + struct ssi_protocol *ssi = from_timer(ssi, t, tx_wd); + struct hsi_client *cl = ssi->cl; dev_err(&cl->device, "Watchdog trigerred\n"); ssip_error(cl); @@ -1084,15 +1094,9 @@ static int ssi_protocol_probe(struct device *dev) } spin_lock_init(&ssi->lock); - init_timer_deferrable(&ssi->rx_wd); - init_timer_deferrable(&ssi->tx_wd); - init_timer(&ssi->keep_alive); - ssi->rx_wd.data = (unsigned long)cl; - ssi->rx_wd.function = ssip_wd; - ssi->tx_wd.data = (unsigned long)cl; - ssi->tx_wd.function = ssip_wd; - ssi->keep_alive.data = (unsigned long)cl; - ssi->keep_alive.function = ssip_keep_alive; + timer_setup(&ssi->rx_wd, ssip_rx_wd, TIMER_DEFERRABLE); + timer_setup(&ssi->tx_wd, ssip_tx_wd, TIMER_DEFERRABLE); + timer_setup(&ssi->keep_alive, ssip_keep_alive, 0); INIT_LIST_HEAD(&ssi->txqueue); INIT_LIST_HEAD(&ssi->cmdqueue); atomic_set(&ssi->tx_usecnt, 0); diff --git a/drivers/hv/Makefile b/drivers/hv/Makefile index 39c9b2c08d33..e7b1d796ba2e 100644 --- a/drivers/hv/Makefile +++ b/drivers/hv/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_HYPERV) += hv_vmbus.o obj-$(CONFIG_HYPERV_UTILS) += hv_utils.o obj-$(CONFIG_HYPERV_BALLOON) += hv_balloon.o diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 937801ac2fe0..2cd134dd94d2 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -1534,7 +1534,7 @@ static int __init hv_acpi_init(void) { int ret, t; - if (x86_hyper != &x86_hyper_ms_hyperv) + if (x86_hyper_type != X86_HYPER_MS_HYPERV) return -ENODEV; init_completion(&probe_event); diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index d65431417b17..7ad017690e3a 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -552,6 +552,7 @@ config SENSORS_G762 config SENSORS_GPIO_FAN tristate "GPIO fan" + depends on OF_GPIO depends on GPIOLIB || COMPILE_TEST depends on THERMAL || THERMAL=n help @@ -862,6 +863,20 @@ tristate "MAX31722 temperature sensor" This driver can also be built as a module. If so, the module will be called max31722. +config SENSORS_MAX6621 + tristate "Maxim MAX6621 sensor chip" + depends on I2C + select REGMAP_I2C + help + If you say yes here you get support for MAX6621 sensor chip. + MAX6621 is a PECI-to-I2C translator provides an efficient, + low-cost solution for PECI-to-SMBus/I2C protocol conversion. + It allows reading the temperature from the PECI-compliant + host directly from up to four PECI-enabled CPUs. + + This driver can also be built as a module. If so, the module + will be called max6621. + config SENSORS_MAX6639 tristate "Maxim MAX6639 sensor chip" depends on I2C diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index c84d9784be98..0fe489fab663 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for sensor chip drivers. # @@ -117,6 +118,7 @@ obj-$(CONFIG_SENSORS_MAX1619) += max1619.o obj-$(CONFIG_SENSORS_MAX1668) += max1668.o obj-$(CONFIG_SENSORS_MAX197) += max197.o obj-$(CONFIG_SENSORS_MAX31722) += max31722.o +obj-$(CONFIG_SENSORS_MAX6621) += max6621.o obj-$(CONFIG_SENSORS_MAX6639) += max6639.o obj-$(CONFIG_SENSORS_MAX6642) += max6642.o obj-$(CONFIG_SENSORS_MAX6650) += max6650.o diff --git a/drivers/hwmon/adt7x10.h b/drivers/hwmon/adt7x10.h index d491c698529e..21ad15ce3163 100644 --- a/drivers/hwmon/adt7x10.h +++ b/drivers/hwmon/adt7x10.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __HWMON_ADT7X10_H__ #define __HWMON_ADT7X10_H__ diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c index 4875e99b59c9..6d34c05a4f83 100644 --- a/drivers/hwmon/asc7621.c +++ b/drivers/hwmon/asc7621.c @@ -579,7 +579,6 @@ static ssize_t show_pwm_enable(struct device *dev, mutex_unlock(&data->update_lock); val = config | (altbit << 3); - newval = 0; if (val == 3 || val >= 10) newval = 255; diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c index 69b97d45e3cb..63a95e23ca81 100644 --- a/drivers/hwmon/aspeed-pwm-tacho.c +++ b/drivers/hwmon/aspeed-pwm-tacho.c @@ -7,19 +7,19 @@ */ #include <linux/clk.h> +#include <linux/delay.h> #include <linux/errno.h> #include <linux/gpio/consumer.h> -#include <linux/delay.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/of_platform.h> #include <linux/of_device.h> +#include <linux/of_platform.h> #include <linux/platform_device.h> -#include <linux/sysfs.h> #include <linux/regmap.h> +#include <linux/sysfs.h> #include <linux/thermal.h> /* ASPEED PWM & FAN Tach Register Definition */ @@ -161,7 +161,7 @@ * 11: reserved. */ #define M_TACH_MODE 0x02 /* 10b */ -#define M_TACH_UNIT 0x00c0 +#define M_TACH_UNIT 0x0210 #define INIT_FAN_CTRL 0xFF /* How long we sleep in us while waiting for an RPM result. */ diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c index 97a62f5b9ea4..a973eb6a2890 100644 --- a/drivers/hwmon/da9052-hwmon.c +++ b/drivers/hwmon/da9052-hwmon.c @@ -477,6 +477,11 @@ static int da9052_hwmon_probe(struct platform_device *pdev) /* disable touchscreen features */ da9052_reg_write(hwmon->da9052, DA9052_TSI_CONT_A_REG, 0x00); + /* Sample every 1ms */ + da9052_reg_update(hwmon->da9052, DA9052_ADC_CONT_REG, + DA9052_ADCCONT_ADCMODE, + DA9052_ADCCONT_ADCMODE); + err = da9052_request_irq(hwmon->da9052, DA9052_IRQ_TSIREADY, "tsiready-irq", da9052_tsi_datardy_irq, hwmon); diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index 9c355b9d31c5..5c9a52599cf6 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -29,21 +29,24 @@ #include <linux/err.h> #include <linux/mutex.h> #include <linux/hwmon.h> -#include <linux/gpio.h> -#include <linux/gpio-fan.h> +#include <linux/gpio/consumer.h> #include <linux/of.h> #include <linux/of_platform.h> -#include <linux/of_gpio.h> #include <linux/thermal.h> +struct gpio_fan_speed { + int rpm; + int ctrl_val; +}; + struct gpio_fan_data { - struct platform_device *pdev; + struct device *dev; struct device *hwmon_dev; /* Cooling device if any */ struct thermal_cooling_device *cdev; struct mutex lock; /* lock GPIOs operations. */ - int num_ctrl; - unsigned *ctrl; + int num_gpios; + struct gpio_desc **gpios; int num_speed; struct gpio_fan_speed *speed; int speed_index; @@ -51,7 +54,7 @@ struct gpio_fan_data { int resume_speed; #endif bool pwm_enable; - struct gpio_fan_alarm *alarm; + struct gpio_desc *alarm_gpio; struct work_struct alarm_work; }; @@ -64,8 +67,8 @@ static void fan_alarm_notify(struct work_struct *ws) struct gpio_fan_data *fan_data = container_of(ws, struct gpio_fan_data, alarm_work); - sysfs_notify(&fan_data->pdev->dev.kobj, NULL, "fan1_alarm"); - kobject_uevent(&fan_data->pdev->dev.kobj, KOBJ_CHANGE); + sysfs_notify(&fan_data->dev->kobj, NULL, "fan1_alarm"); + kobject_uevent(&fan_data->dev->kobj, KOBJ_CHANGE); } static irqreturn_t fan_alarm_irq_handler(int irq, void *dev_id) @@ -81,47 +84,30 @@ static ssize_t fan1_alarm_show(struct device *dev, struct device_attribute *attr, char *buf) { struct gpio_fan_data *fan_data = dev_get_drvdata(dev); - struct gpio_fan_alarm *alarm = fan_data->alarm; - int value = gpio_get_value_cansleep(alarm->gpio); - if (alarm->active_low) - value = !value; - - return sprintf(buf, "%d\n", value); + return sprintf(buf, "%d\n", + gpiod_get_value_cansleep(fan_data->alarm_gpio)); } static DEVICE_ATTR_RO(fan1_alarm); -static int fan_alarm_init(struct gpio_fan_data *fan_data, - struct gpio_fan_alarm *alarm) +static int fan_alarm_init(struct gpio_fan_data *fan_data) { - int err; int alarm_irq; - struct platform_device *pdev = fan_data->pdev; - - fan_data->alarm = alarm; - - err = devm_gpio_request(&pdev->dev, alarm->gpio, "GPIO fan alarm"); - if (err) - return err; - - err = gpio_direction_input(alarm->gpio); - if (err) - return err; + struct device *dev = fan_data->dev; /* * If the alarm GPIO don't support interrupts, just leave * without initializing the fail notification support. */ - alarm_irq = gpio_to_irq(alarm->gpio); - if (alarm_irq < 0) + alarm_irq = gpiod_to_irq(fan_data->alarm_gpio); + if (alarm_irq <= 0) return 0; INIT_WORK(&fan_data->alarm_work, fan_alarm_notify); irq_set_irq_type(alarm_irq, IRQ_TYPE_EDGE_BOTH); - err = devm_request_irq(&pdev->dev, alarm_irq, fan_alarm_irq_handler, - IRQF_SHARED, "GPIO fan alarm", fan_data); - return err; + return devm_request_irq(dev, alarm_irq, fan_alarm_irq_handler, + IRQF_SHARED, "GPIO fan alarm", fan_data); } /* @@ -133,8 +119,9 @@ static void __set_fan_ctrl(struct gpio_fan_data *fan_data, int ctrl_val) { int i; - for (i = 0; i < fan_data->num_ctrl; i++) - gpio_set_value_cansleep(fan_data->ctrl[i], (ctrl_val >> i) & 1); + for (i = 0; i < fan_data->num_gpios; i++) + gpiod_set_value_cansleep(fan_data->gpios[i], + (ctrl_val >> i) & 1); } static int __get_fan_ctrl(struct gpio_fan_data *fan_data) @@ -142,10 +129,10 @@ static int __get_fan_ctrl(struct gpio_fan_data *fan_data) int i; int ctrl_val = 0; - for (i = 0; i < fan_data->num_ctrl; i++) { + for (i = 0; i < fan_data->num_gpios; i++) { int value; - value = gpio_get_value_cansleep(fan_data->ctrl[i]); + value = gpiod_get_value_cansleep(fan_data->gpios[i]); ctrl_val |= (value << i); } return ctrl_val; @@ -170,7 +157,7 @@ static int get_fan_speed_index(struct gpio_fan_data *fan_data) if (fan_data->speed[i].ctrl_val == ctrl_val) return i; - dev_warn(&fan_data->pdev->dev, + dev_warn(fan_data->dev, "missing speed array entry for GPIO value 0x%x\n", ctrl_val); return -ENODEV; @@ -328,9 +315,9 @@ static umode_t gpio_fan_is_visible(struct kobject *kobj, struct device *dev = container_of(kobj, struct device, kobj); struct gpio_fan_data *data = dev_get_drvdata(dev); - if (index == 0 && !data->alarm) + if (index == 0 && !data->alarm_gpio) return 0; - if (index > 0 && !data->ctrl) + if (index > 0 && !data->gpios) return 0; return attr->mode; @@ -358,30 +345,25 @@ static const struct attribute_group *gpio_fan_groups[] = { NULL }; -static int fan_ctrl_init(struct gpio_fan_data *fan_data, - struct gpio_fan_platform_data *pdata) +static int fan_ctrl_init(struct gpio_fan_data *fan_data) { - struct platform_device *pdev = fan_data->pdev; - int num_ctrl = pdata->num_ctrl; - unsigned *ctrl = pdata->ctrl; + int num_gpios = fan_data->num_gpios; + struct gpio_desc **gpios = fan_data->gpios; int i, err; - for (i = 0; i < num_ctrl; i++) { - err = devm_gpio_request(&pdev->dev, ctrl[i], - "GPIO fan control"); - if (err) - return err; - - err = gpio_direction_output(ctrl[i], - gpio_get_value_cansleep(ctrl[i])); + for (i = 0; i < num_gpios; i++) { + /* + * The GPIO descriptors were retrieved with GPIOD_ASIS so here + * we set the GPIO into output mode, carefully preserving the + * current value by setting it to whatever it is already set + * (no surprise changes in default fan speed). + */ + err = gpiod_direction_output(gpios[i], + gpiod_get_value_cansleep(gpios[i])); if (err) return err; } - fan_data->num_ctrl = num_ctrl; - fan_data->ctrl = ctrl; - fan_data->num_speed = pdata->num_speed; - fan_data->speed = pdata->speed; fan_data->pwm_enable = true; /* Enable manual fan speed control. */ fan_data->speed_index = get_fan_speed_index(fan_data); if (fan_data->speed_index < 0) @@ -432,67 +414,47 @@ static const struct thermal_cooling_device_ops gpio_fan_cool_ops = { .set_cur_state = gpio_fan_set_cur_state, }; -#ifdef CONFIG_OF_GPIO /* * Translate OpenFirmware node properties into platform_data */ -static int gpio_fan_get_of_pdata(struct device *dev, - struct gpio_fan_platform_data *pdata) +static int gpio_fan_get_of_data(struct gpio_fan_data *fan_data) { - struct device_node *node; struct gpio_fan_speed *speed; - unsigned *ctrl; + struct device *dev = fan_data->dev; + struct device_node *np = dev->of_node; + struct gpio_desc **gpios; unsigned i; u32 u; struct property *prop; const __be32 *p; - node = dev->of_node; - /* Alarm GPIO if one exists */ - if (of_gpio_named_count(node, "alarm-gpios") > 0) { - struct gpio_fan_alarm *alarm; - int val; - enum of_gpio_flags flags; - - alarm = devm_kzalloc(dev, sizeof(struct gpio_fan_alarm), - GFP_KERNEL); - if (!alarm) - return -ENOMEM; - - val = of_get_named_gpio_flags(node, "alarm-gpios", 0, &flags); - if (val < 0) - return val; - alarm->gpio = val; - alarm->active_low = flags & OF_GPIO_ACTIVE_LOW; - - pdata->alarm = alarm; - } + fan_data->alarm_gpio = devm_gpiod_get_optional(dev, "alarm", GPIOD_IN); + if (IS_ERR(fan_data->alarm_gpio)) + return PTR_ERR(fan_data->alarm_gpio); /* Fill GPIO pin array */ - pdata->num_ctrl = of_gpio_count(node); - if (pdata->num_ctrl <= 0) { - if (pdata->alarm) + fan_data->num_gpios = gpiod_count(dev, NULL); + if (fan_data->num_gpios <= 0) { + if (fan_data->alarm_gpio) return 0; dev_err(dev, "DT properties empty / missing"); return -ENODEV; } - ctrl = devm_kzalloc(dev, pdata->num_ctrl * sizeof(unsigned), - GFP_KERNEL); - if (!ctrl) + gpios = devm_kzalloc(dev, + fan_data->num_gpios * sizeof(struct gpio_desc *), + GFP_KERNEL); + if (!gpios) return -ENOMEM; - for (i = 0; i < pdata->num_ctrl; i++) { - int val; - - val = of_get_gpio(node, i); - if (val < 0) - return val; - ctrl[i] = val; + for (i = 0; i < fan_data->num_gpios; i++) { + gpios[i] = devm_gpiod_get_index(dev, NULL, i, GPIOD_ASIS); + if (IS_ERR(gpios[i])) + return PTR_ERR(gpios[i]); } - pdata->ctrl = ctrl; + fan_data->gpios = gpios; /* Get number of RPM/ctrl_val pairs in speed map */ - prop = of_find_property(node, "gpio-fan,speed-map", &i); + prop = of_find_property(np, "gpio-fan,speed-map", &i); if (!prop) { dev_err(dev, "gpio-fan,speed-map DT property missing"); return -ENODEV; @@ -502,7 +464,7 @@ static int gpio_fan_get_of_pdata(struct device *dev, dev_err(dev, "gpio-fan,speed-map contains zero/odd number of entries"); return -ENODEV; } - pdata->num_speed = i / 2; + fan_data->num_speed = i / 2; /* * Populate speed map @@ -510,12 +472,12 @@ static int gpio_fan_get_of_pdata(struct device *dev, * this needs splitting into pairs to create gpio_fan_speed structs */ speed = devm_kzalloc(dev, - pdata->num_speed * sizeof(struct gpio_fan_speed), + fan_data->num_speed * sizeof(struct gpio_fan_speed), GFP_KERNEL); if (!speed) return -ENOMEM; p = NULL; - for (i = 0; i < pdata->num_speed; i++) { + for (i = 0; i < fan_data->num_speed; i++) { p = of_prop_next_u32(prop, p, &u); if (!p) return -ENODEV; @@ -525,7 +487,7 @@ static int gpio_fan_get_of_pdata(struct device *dev, return -ENODEV; speed[i].ctrl_val = u; } - pdata->speed = speed; + fan_data->speed = speed; return 0; } @@ -535,76 +497,58 @@ static const struct of_device_id of_gpio_fan_match[] = { {}, }; MODULE_DEVICE_TABLE(of, of_gpio_fan_match); -#endif /* CONFIG_OF_GPIO */ static int gpio_fan_probe(struct platform_device *pdev) { int err; struct gpio_fan_data *fan_data; - struct gpio_fan_platform_data *pdata = dev_get_platdata(&pdev->dev); + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; - fan_data = devm_kzalloc(&pdev->dev, sizeof(struct gpio_fan_data), + fan_data = devm_kzalloc(dev, sizeof(struct gpio_fan_data), GFP_KERNEL); if (!fan_data) return -ENOMEM; -#ifdef CONFIG_OF_GPIO - if (!pdata) { - pdata = devm_kzalloc(&pdev->dev, - sizeof(struct gpio_fan_platform_data), - GFP_KERNEL); - if (!pdata) - return -ENOMEM; - - err = gpio_fan_get_of_pdata(&pdev->dev, pdata); - if (err) - return err; - } -#else /* CONFIG_OF_GPIO */ - if (!pdata) - return -EINVAL; -#endif /* CONFIG_OF_GPIO */ + fan_data->dev = dev; + err = gpio_fan_get_of_data(fan_data); + if (err) + return err; - fan_data->pdev = pdev; platform_set_drvdata(pdev, fan_data); mutex_init(&fan_data->lock); /* Configure alarm GPIO if available. */ - if (pdata->alarm) { - err = fan_alarm_init(fan_data, pdata->alarm); + if (fan_data->alarm_gpio) { + err = fan_alarm_init(fan_data); if (err) return err; } /* Configure control GPIOs if available. */ - if (pdata->ctrl && pdata->num_ctrl > 0) { - if (!pdata->speed || pdata->num_speed <= 1) + if (fan_data->gpios && fan_data->num_gpios > 0) { + if (!fan_data->speed || fan_data->num_speed <= 1) return -EINVAL; - err = fan_ctrl_init(fan_data, pdata); + err = fan_ctrl_init(fan_data); if (err) return err; } /* Make this driver part of hwmon class. */ fan_data->hwmon_dev = - devm_hwmon_device_register_with_groups(&pdev->dev, + devm_hwmon_device_register_with_groups(dev, "gpio_fan", fan_data, gpio_fan_groups); if (IS_ERR(fan_data->hwmon_dev)) return PTR_ERR(fan_data->hwmon_dev); -#ifdef CONFIG_OF_GPIO + /* Optional cooling device register for Device tree platforms */ - fan_data->cdev = thermal_of_cooling_device_register(pdev->dev.of_node, + fan_data->cdev = thermal_of_cooling_device_register(np, "gpio-fan", fan_data, &gpio_fan_cool_ops); -#else /* CONFIG_OF_GPIO */ - /* Optional cooling device register for non Device tree platforms */ - fan_data->cdev = thermal_cooling_device_register("gpio-fan", fan_data, - &gpio_fan_cool_ops); -#endif /* CONFIG_OF_GPIO */ - dev_info(&pdev->dev, "GPIO fan initialized\n"); + dev_info(dev, "GPIO fan initialized\n"); return 0; } @@ -616,7 +560,7 @@ static int gpio_fan_remove(struct platform_device *pdev) if (!IS_ERR(fan_data->cdev)) thermal_cooling_device_unregister(fan_data->cdev); - if (fan_data->ctrl) + if (fan_data->gpios) set_fan_speed(fan_data, 0); return 0; @@ -632,7 +576,7 @@ static int gpio_fan_suspend(struct device *dev) { struct gpio_fan_data *fan_data = dev_get_drvdata(dev); - if (fan_data->ctrl) { + if (fan_data->gpios) { fan_data->resume_speed = fan_data->speed_index; set_fan_speed(fan_data, 0); } @@ -644,7 +588,7 @@ static int gpio_fan_resume(struct device *dev) { struct gpio_fan_data *fan_data = dev_get_drvdata(dev); - if (fan_data->ctrl) + if (fan_data->gpios) set_fan_speed(fan_data, fan_data->resume_speed); return 0; @@ -663,9 +607,7 @@ static struct platform_driver gpio_fan_driver = { .driver = { .name = "gpio-fan", .pm = GPIO_FAN_PM, -#ifdef CONFIG_OF_GPIO .of_match_table = of_match_ptr(of_gpio_fan_match), -#endif }, }; diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index ce3b91f22e30..46a54ed23410 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -36,6 +36,10 @@ MODULE_PARM_DESC(force, "force loading on processors with erratum 319"); /* Provide lock for writing to NB_SMU_IND_ADDR */ static DEFINE_MUTEX(nb_smu_ind_mutex); +#ifndef PCI_DEVICE_ID_AMD_17H_DF_F3 +#define PCI_DEVICE_ID_AMD_17H_DF_F3 0x1463 +#endif + /* CPUID function 0x80000001, ebx */ #define CPUID_PKGTYPE_MASK 0xf0000000 #define CPUID_PKGTYPE_F 0x00000000 @@ -61,31 +65,72 @@ static DEFINE_MUTEX(nb_smu_ind_mutex); */ #define F15H_M60H_REPORTED_TEMP_CTRL_OFFSET 0xd8200ca4 -static void amd_nb_smu_index_read(struct pci_dev *pdev, unsigned int devfn, - int offset, u32 *val) +/* F17h M01h Access througn SMN */ +#define F17H_M01H_REPORTED_TEMP_CTRL_OFFSET 0x00059800 + +struct k10temp_data { + struct pci_dev *pdev; + void (*read_tempreg)(struct pci_dev *pdev, u32 *regval); + int temp_offset; +}; + +struct tctl_offset { + u8 model; + char const *id; + int offset; +}; + +static const struct tctl_offset tctl_offset_table[] = { + { 0x17, "AMD Ryzen 7 1600X", 20000 }, + { 0x17, "AMD Ryzen 7 1700X", 20000 }, + { 0x17, "AMD Ryzen 7 1800X", 20000 }, + { 0x17, "AMD Ryzen Threadripper 1950X", 27000 }, + { 0x17, "AMD Ryzen Threadripper 1920X", 27000 }, + { 0x17, "AMD Ryzen Threadripper 1950", 10000 }, + { 0x17, "AMD Ryzen Threadripper 1920", 10000 }, + { 0x17, "AMD Ryzen Threadripper 1910", 10000 }, +}; + +static void read_tempreg_pci(struct pci_dev *pdev, u32 *regval) +{ + pci_read_config_dword(pdev, REG_REPORTED_TEMPERATURE, regval); +} + +static void amd_nb_index_read(struct pci_dev *pdev, unsigned int devfn, + unsigned int base, int offset, u32 *val) { mutex_lock(&nb_smu_ind_mutex); pci_bus_write_config_dword(pdev->bus, devfn, - 0xb8, offset); + base, offset); pci_bus_read_config_dword(pdev->bus, devfn, - 0xbc, val); + base + 4, val); mutex_unlock(&nb_smu_ind_mutex); } +static void read_tempreg_nb_f15(struct pci_dev *pdev, u32 *regval) +{ + amd_nb_index_read(pdev, PCI_DEVFN(0, 0), 0xb8, + F15H_M60H_REPORTED_TEMP_CTRL_OFFSET, regval); +} + +static void read_tempreg_nb_f17(struct pci_dev *pdev, u32 *regval) +{ + amd_nb_index_read(pdev, PCI_DEVFN(0, 0), 0x60, + F17H_M01H_REPORTED_TEMP_CTRL_OFFSET, regval); +} + static ssize_t temp1_input_show(struct device *dev, struct device_attribute *attr, char *buf) { + struct k10temp_data *data = dev_get_drvdata(dev); u32 regval; - struct pci_dev *pdev = dev_get_drvdata(dev); - - if (boot_cpu_data.x86 == 0x15 && boot_cpu_data.x86_model == 0x60) { - amd_nb_smu_index_read(pdev, PCI_DEVFN(0, 0), - F15H_M60H_REPORTED_TEMP_CTRL_OFFSET, - ®val); - } else { - pci_read_config_dword(pdev, REG_REPORTED_TEMPERATURE, ®val); - } - return sprintf(buf, "%u\n", (regval >> 21) * 125); + unsigned int temp; + + data->read_tempreg(data->pdev, ®val); + temp = (regval >> 21) * 125; + temp -= data->temp_offset; + + return sprintf(buf, "%u\n", temp); } static ssize_t temp1_max_show(struct device *dev, @@ -98,11 +143,12 @@ static ssize_t show_temp_crit(struct device *dev, struct device_attribute *devattr, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct k10temp_data *data = dev_get_drvdata(dev); int show_hyst = attr->index; u32 regval; int value; - pci_read_config_dword(dev_get_drvdata(dev), + pci_read_config_dword(data->pdev, REG_HARDWARE_THERMAL_CONTROL, ®val); value = ((regval >> 16) & 0x7f) * 500 + 52000; if (show_hyst) @@ -119,7 +165,8 @@ static umode_t k10temp_is_visible(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); - struct pci_dev *pdev = dev_get_drvdata(dev); + struct k10temp_data *data = dev_get_drvdata(dev); + struct pci_dev *pdev = data->pdev; if (index >= 2) { u32 reg_caps, reg_htc; @@ -187,7 +234,9 @@ static int k10temp_probe(struct pci_dev *pdev, { int unreliable = has_erratum_319(pdev); struct device *dev = &pdev->dev; + struct k10temp_data *data; struct device *hwmon_dev; + int i; if (unreliable) { if (!force) { @@ -199,7 +248,31 @@ static int k10temp_probe(struct pci_dev *pdev, "unreliable CPU thermal sensor; check erratum 319\n"); } - hwmon_dev = devm_hwmon_device_register_with_groups(dev, "k10temp", pdev, + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->pdev = pdev; + + if (boot_cpu_data.x86 == 0x15 && (boot_cpu_data.x86_model == 0x60 || + boot_cpu_data.x86_model == 0x70)) + data->read_tempreg = read_tempreg_nb_f15; + else if (boot_cpu_data.x86 == 0x17) + data->read_tempreg = read_tempreg_nb_f17; + else + data->read_tempreg = read_tempreg_pci; + + for (i = 0; i < ARRAY_SIZE(tctl_offset_table); i++) { + const struct tctl_offset *entry = &tctl_offset_table[i]; + + if (boot_cpu_data.x86 == entry->model && + strstr(boot_cpu_data.x86_model_id, entry->id)) { + data->temp_offset = entry->offset; + break; + } + } + + hwmon_dev = devm_hwmon_device_register_with_groups(dev, "k10temp", data, k10temp_groups); return PTR_ERR_OR_ZERO(hwmon_dev); } @@ -214,6 +287,7 @@ static const struct pci_device_id k10temp_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_15H_M60H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) }, {} }; MODULE_DEVICE_TABLE(pci, k10temp_id_table); diff --git a/drivers/hwmon/max1619.c b/drivers/hwmon/max1619.c index a18278938494..76d966932941 100644 --- a/drivers/hwmon/max1619.c +++ b/drivers/hwmon/max1619.c @@ -303,10 +303,20 @@ static const struct i2c_device_id max1619_id[] = { }; MODULE_DEVICE_TABLE(i2c, max1619_id); +#ifdef CONFIG_OF +static const struct of_device_id max1619_of_match[] = { + { .compatible = "maxim,max1619", }, + {}, +}; + +MODULE_DEVICE_TABLE(of, max1619_of_match); +#endif + static struct i2c_driver max1619_driver = { .class = I2C_CLASS_HWMON, .driver = { .name = "max1619", + .of_match_table = of_match_ptr(max1619_of_match), }, .probe = max1619_probe, .id_table = max1619_id, diff --git a/drivers/hwmon/max6621.c b/drivers/hwmon/max6621.c new file mode 100644 index 000000000000..35555f0eefb9 --- /dev/null +++ b/drivers/hwmon/max6621.c @@ -0,0 +1,593 @@ +/* + * Hardware monitoring driver for Maxim MAX6621 + * + * Copyright (c) 2017 Mellanox Technologies. All rights reserved. + * Copyright (c) 2017 Vadim Pasternak <vadimp@mellanox.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/bitops.h> +#include <linux/hwmon.h> +#include <linux/hwmon-sysfs.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/regmap.h> + +#define MAX6621_DRV_NAME "max6621" +#define MAX6621_TEMP_INPUT_REG_NUM 9 +#define MAX6621_TEMP_INPUT_MIN -127000 +#define MAX6621_TEMP_INPUT_MAX 128000 +#define MAX6621_TEMP_ALERT_CHAN_SHIFT 1 + +#define MAX6621_TEMP_S0D0_REG 0x00 +#define MAX6621_TEMP_S0D1_REG 0x01 +#define MAX6621_TEMP_S1D0_REG 0x02 +#define MAX6621_TEMP_S1D1_REG 0x03 +#define MAX6621_TEMP_S2D0_REG 0x04 +#define MAX6621_TEMP_S2D1_REG 0x05 +#define MAX6621_TEMP_S3D0_REG 0x06 +#define MAX6621_TEMP_S3D1_REG 0x07 +#define MAX6621_TEMP_MAX_REG 0x08 +#define MAX6621_TEMP_MAX_ADDR_REG 0x0a +#define MAX6621_TEMP_ALERT_CAUSE_REG 0x0b +#define MAX6621_CONFIG0_REG 0x0c +#define MAX6621_CONFIG1_REG 0x0d +#define MAX6621_CONFIG2_REG 0x0e +#define MAX6621_CONFIG3_REG 0x0f +#define MAX6621_TEMP_S0_ALERT_REG 0x10 +#define MAX6621_TEMP_S1_ALERT_REG 0x11 +#define MAX6621_TEMP_S2_ALERT_REG 0x12 +#define MAX6621_TEMP_S3_ALERT_REG 0x13 +#define MAX6621_CLEAR_ALERT_REG 0x15 +#define MAX6621_REG_MAX (MAX6621_CLEAR_ALERT_REG + 1) +#define MAX6621_REG_TEMP_SHIFT 0x06 + +#define MAX6621_ENABLE_TEMP_ALERTS_BIT 4 +#define MAX6621_ENABLE_I2C_CRC_BIT 5 +#define MAX6621_ENABLE_ALTERNATE_DATA 6 +#define MAX6621_ENABLE_LOCKUP_TO 7 +#define MAX6621_ENABLE_S0D0_BIT 8 +#define MAX6621_ENABLE_S3D1_BIT 15 +#define MAX6621_ENABLE_TEMP_ALL GENMASK(MAX6621_ENABLE_S3D1_BIT, \ + MAX6621_ENABLE_S0D0_BIT) +#define MAX6621_POLL_DELAY_MASK 0x5 +#define MAX6621_CONFIG0_INIT (MAX6621_ENABLE_TEMP_ALL | \ + BIT(MAX6621_ENABLE_LOCKUP_TO) | \ + BIT(MAX6621_ENABLE_I2C_CRC_BIT) | \ + MAX6621_POLL_DELAY_MASK) +#define MAX6621_PECI_BIT_TIME 0x2 +#define MAX6621_PECI_RETRY_NUM 0x3 +#define MAX6621_CONFIG1_INIT ((MAX6621_PECI_BIT_TIME << 8) | \ + MAX6621_PECI_RETRY_NUM) + +/* Error codes */ +#define MAX6621_TRAN_FAILED 0x8100 /* + * PECI transaction failed for more + * than the configured number of + * consecutive retries. + */ +#define MAX6621_POOL_DIS 0x8101 /* + * Polling disabled for requested + * socket/domain. + */ +#define MAX6621_POOL_UNCOMPLETE 0x8102 /* + * First poll not yet completed for + * requested socket/domain (on + * startup). + */ +#define MAX6621_SD_DIS 0x8103 /* + * Read maximum temperature requested, + * but no sockets/domains enabled or + * all enabled sockets/domains have + * errors; or read maximum temperature + * address requested, but read maximum + * temperature was not called. + */ +#define MAX6621_ALERT_DIS 0x8104 /* + * Get alert socket/domain requested, + * but no alert active. + */ +#define MAX6621_PECI_ERR_MIN 0x8000 /* Intel spec PECI error min value. */ +#define MAX6621_PECI_ERR_MAX 0x80ff /* Intel spec PECI error max value. */ + +static const u32 max6621_temp_regs[] = { + MAX6621_TEMP_MAX_REG, MAX6621_TEMP_S0D0_REG, MAX6621_TEMP_S1D0_REG, + MAX6621_TEMP_S2D0_REG, MAX6621_TEMP_S3D0_REG, MAX6621_TEMP_S0D1_REG, + MAX6621_TEMP_S1D1_REG, MAX6621_TEMP_S2D1_REG, MAX6621_TEMP_S3D1_REG, +}; + +static const char *const max6621_temp_labels[] = { + "maximum", + "socket0_0", + "socket1_0", + "socket2_0", + "socket3_0", + "socket0_1", + "socket1_1", + "socket2_1", + "socket3_1", +}; + +static const int max6621_temp_alert_chan2reg[] = { + MAX6621_TEMP_S0_ALERT_REG, + MAX6621_TEMP_S1_ALERT_REG, + MAX6621_TEMP_S2_ALERT_REG, + MAX6621_TEMP_S3_ALERT_REG, +}; + +/** + * struct max6621_data - private data: + * + * @client: I2C client; + * @regmap: register map handle; + * @input_chan2reg: mapping from channel to register; + */ +struct max6621_data { + struct i2c_client *client; + struct regmap *regmap; + int input_chan2reg[MAX6621_TEMP_INPUT_REG_NUM + 1]; +}; + +static long max6621_temp_mc2reg(long val) +{ + return (val / 1000L) << MAX6621_REG_TEMP_SHIFT; +} + +static umode_t +max6621_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, + int channel) +{ + /* Skip channels which are not physically conncted. */ + if (((struct max6621_data *)data)->input_chan2reg[channel] < 0) + return 0; + + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_input: + case hwmon_temp_label: + case hwmon_temp_crit_alarm: + return 0444; + case hwmon_temp_offset: + case hwmon_temp_crit: + return 0644; + default: + break; + } + + default: + break; + } + + return 0; +} + +static int max6621_verify_reg_data(struct device *dev, int regval) +{ + if (regval >= MAX6621_PECI_ERR_MIN && + regval <= MAX6621_PECI_ERR_MAX) { + dev_dbg(dev, "PECI error code - err 0x%04x.\n", + regval); + + return -EIO; + } + + switch (regval) { + case MAX6621_TRAN_FAILED: + dev_dbg(dev, "PECI transaction failed - err 0x%04x.\n", + regval); + return -EIO; + case MAX6621_POOL_DIS: + dev_dbg(dev, "Polling disabled - err 0x%04x.\n", regval); + return -EOPNOTSUPP; + case MAX6621_POOL_UNCOMPLETE: + dev_dbg(dev, "First poll not completed on startup - err 0x%04x.\n", + regval); + return -EIO; + case MAX6621_SD_DIS: + dev_dbg(dev, "Resource is disabled - err 0x%04x.\n", regval); + return -EOPNOTSUPP; + case MAX6621_ALERT_DIS: + dev_dbg(dev, "No alert active - err 0x%04x.\n", regval); + return -EOPNOTSUPP; + default: + return 0; + } +} + +static int +max6621_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, + int channel, long *val) +{ + struct max6621_data *data = dev_get_drvdata(dev); + u32 regval; + int reg; + s8 temp; + int ret; + + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_input: + reg = data->input_chan2reg[channel]; + ret = regmap_read(data->regmap, reg, ®val); + if (ret) + return ret; + + ret = max6621_verify_reg_data(dev, regval); + if (ret) + return ret; + + /* + * Bit MAX6621_REG_TEMP_SHIFT represents 1 degree step. + * The temperature is given in two's complement and 8 + * bits is used for the register conversion. + */ + temp = (regval >> MAX6621_REG_TEMP_SHIFT); + *val = temp * 1000L; + + break; + case hwmon_temp_offset: + ret = regmap_read(data->regmap, MAX6621_CONFIG2_REG, + ®val); + if (ret) + return ret; + + ret = max6621_verify_reg_data(dev, regval); + if (ret) + return ret; + + *val = (regval >> MAX6621_REG_TEMP_SHIFT) * + 1000L; + + break; + case hwmon_temp_crit: + channel -= MAX6621_TEMP_ALERT_CHAN_SHIFT; + reg = max6621_temp_alert_chan2reg[channel]; + ret = regmap_read(data->regmap, reg, ®val); + if (ret) + return ret; + + ret = max6621_verify_reg_data(dev, regval); + if (ret) + return ret; + + *val = regval * 1000L; + + break; + case hwmon_temp_crit_alarm: + /* + * Set val to zero to recover the case, when reading + * MAX6621_TEMP_ALERT_CAUSE_REG results in for example + * MAX6621_ALERT_DIS. Reading will return with error, + * but in such case alarm should be returned as 0. + */ + *val = 0; + ret = regmap_read(data->regmap, + MAX6621_TEMP_ALERT_CAUSE_REG, + ®val); + if (ret) + return ret; + + ret = max6621_verify_reg_data(dev, regval); + if (ret) { + /* Do not report error if alert is disabled. */ + if (regval == MAX6621_ALERT_DIS) + return 0; + else + return ret; + } + + /* + * Clear the alert automatically, using send-byte + * smbus protocol for clearing alert. + */ + if (regval) { + ret = i2c_smbus_write_byte(data->client, + MAX6621_CLEAR_ALERT_REG); + if (ret) + return ret; + } + + *val = !!regval; + + break; + default: + return -EOPNOTSUPP; + } + break; + + default: + return -EOPNOTSUPP; + } + + return 0; +} + +static int +max6621_write(struct device *dev, enum hwmon_sensor_types type, u32 attr, + int channel, long val) +{ + struct max6621_data *data = dev_get_drvdata(dev); + u32 reg; + + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_offset: + /* Clamp to allowed range to prevent overflow. */ + val = clamp_val(val, MAX6621_TEMP_INPUT_MIN, + MAX6621_TEMP_INPUT_MAX); + val = max6621_temp_mc2reg(val); + + return regmap_write(data->regmap, + MAX6621_CONFIG2_REG, val); + case hwmon_temp_crit: + channel -= MAX6621_TEMP_ALERT_CHAN_SHIFT; + reg = max6621_temp_alert_chan2reg[channel]; + /* Clamp to allowed range to prevent overflow. */ + val = clamp_val(val, MAX6621_TEMP_INPUT_MIN, + MAX6621_TEMP_INPUT_MAX); + val = val / 1000L; + + return regmap_write(data->regmap, reg, val); + default: + return -EOPNOTSUPP; + } + break; + + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static int +max6621_read_string(struct device *dev, enum hwmon_sensor_types type, u32 attr, + int channel, const char **str) +{ + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_label: + *str = max6621_temp_labels[channel]; + return 0; + default: + return -EOPNOTSUPP; + } + break; + default: + return -EOPNOTSUPP; + } + + return -EOPNOTSUPP; +} + +static bool max6621_writeable_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX6621_CONFIG0_REG: + case MAX6621_CONFIG1_REG: + case MAX6621_CONFIG2_REG: + case MAX6621_CONFIG3_REG: + case MAX6621_TEMP_S0_ALERT_REG: + case MAX6621_TEMP_S1_ALERT_REG: + case MAX6621_TEMP_S2_ALERT_REG: + case MAX6621_TEMP_S3_ALERT_REG: + case MAX6621_TEMP_ALERT_CAUSE_REG: + return true; + } + return false; +} + +static bool max6621_readable_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX6621_TEMP_S0D0_REG: + case MAX6621_TEMP_S0D1_REG: + case MAX6621_TEMP_S1D0_REG: + case MAX6621_TEMP_S1D1_REG: + case MAX6621_TEMP_S2D0_REG: + case MAX6621_TEMP_S2D1_REG: + case MAX6621_TEMP_S3D0_REG: + case MAX6621_TEMP_S3D1_REG: + case MAX6621_TEMP_MAX_REG: + case MAX6621_TEMP_MAX_ADDR_REG: + case MAX6621_CONFIG0_REG: + case MAX6621_CONFIG1_REG: + case MAX6621_CONFIG2_REG: + case MAX6621_CONFIG3_REG: + case MAX6621_TEMP_S0_ALERT_REG: + case MAX6621_TEMP_S1_ALERT_REG: + case MAX6621_TEMP_S2_ALERT_REG: + case MAX6621_TEMP_S3_ALERT_REG: + return true; + } + return false; +} + +static bool max6621_volatile_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case MAX6621_TEMP_S0D0_REG: + case MAX6621_TEMP_S0D1_REG: + case MAX6621_TEMP_S1D0_REG: + case MAX6621_TEMP_S1D1_REG: + case MAX6621_TEMP_S2D0_REG: + case MAX6621_TEMP_S2D1_REG: + case MAX6621_TEMP_S3D0_REG: + case MAX6621_TEMP_S3D1_REG: + case MAX6621_TEMP_MAX_REG: + case MAX6621_TEMP_S0_ALERT_REG: + case MAX6621_TEMP_S1_ALERT_REG: + case MAX6621_TEMP_S2_ALERT_REG: + case MAX6621_TEMP_S3_ALERT_REG: + case MAX6621_TEMP_ALERT_CAUSE_REG: + return true; + } + return false; +} + +static const struct reg_default max6621_regmap_default[] = { + { MAX6621_CONFIG0_REG, MAX6621_CONFIG0_INIT }, + { MAX6621_CONFIG1_REG, MAX6621_CONFIG1_INIT }, +}; + +static const struct regmap_config max6621_regmap_config = { + .reg_bits = 8, + .val_bits = 16, + .max_register = MAX6621_REG_MAX, + .val_format_endian = REGMAP_ENDIAN_LITTLE, + .cache_type = REGCACHE_FLAT, + .writeable_reg = max6621_writeable_reg, + .readable_reg = max6621_readable_reg, + .volatile_reg = max6621_volatile_reg, + .reg_defaults = max6621_regmap_default, + .num_reg_defaults = ARRAY_SIZE(max6621_regmap_default), +}; + +static u32 max6621_chip_config[] = { + HWMON_C_REGISTER_TZ, + 0 +}; + +static const struct hwmon_channel_info max6621_chip = { + .type = hwmon_chip, + .config = max6621_chip_config, +}; + +static const u32 max6621_temp_config[] = { + HWMON_T_INPUT | HWMON_T_LABEL | HWMON_T_OFFSET, + HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_CRIT_ALARM | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_LABEL, + HWMON_T_INPUT | HWMON_T_LABEL, + 0 +}; + +static const struct hwmon_channel_info max6621_temp = { + .type = hwmon_temp, + .config = max6621_temp_config, +}; + +static const struct hwmon_channel_info *max6621_info[] = { + &max6621_chip, + &max6621_temp, + NULL +}; + +static const struct hwmon_ops max6621_hwmon_ops = { + .read = max6621_read, + .write = max6621_write, + .read_string = max6621_read_string, + .is_visible = max6621_is_visible, +}; + +static const struct hwmon_chip_info max6621_chip_info = { + .ops = &max6621_hwmon_ops, + .info = max6621_info, +}; + +static int max6621_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct max6621_data *data; + struct device *hwmon_dev; + int i; + int ret; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->regmap = devm_regmap_init_i2c(client, &max6621_regmap_config); + if (IS_ERR(data->regmap)) + return PTR_ERR(data->regmap); + + i2c_set_clientdata(client, data); + data->client = client; + + /* Set CONFIG0 register masking temperature alerts and PEC. */ + ret = regmap_write(data->regmap, MAX6621_CONFIG0_REG, + MAX6621_CONFIG0_INIT); + if (ret) + return ret; + + /* Set CONFIG1 register for PEC access retry number. */ + ret = regmap_write(data->regmap, MAX6621_CONFIG1_REG, + MAX6621_CONFIG1_INIT); + if (ret) + return ret; + + /* Sync registers with hardware. */ + regcache_mark_dirty(data->regmap); + ret = regcache_sync(data->regmap); + if (ret) + return ret; + + /* Verify which temperature input registers are enabled. */ + for (i = 0; i < MAX6621_TEMP_INPUT_REG_NUM; i++) { + ret = i2c_smbus_read_word_data(client, max6621_temp_regs[i]); + if (ret < 0) + return ret; + ret = max6621_verify_reg_data(dev, ret); + if (ret) { + data->input_chan2reg[i] = -1; + continue; + } + + data->input_chan2reg[i] = max6621_temp_regs[i]; + } + + hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name, + data, + &max6621_chip_info, + NULL); + + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +static const struct i2c_device_id max6621_id[] = { + { MAX6621_DRV_NAME, 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, max6621_id); + +static const struct of_device_id max6621_of_match[] = { + { .compatible = "maxim,max6621" }, + { } +}; +MODULE_DEVICE_TABLE(of, max6621_of_match); + +static struct i2c_driver max6621_driver = { + .class = I2C_CLASS_HWMON, + .driver = { + .name = MAX6621_DRV_NAME, + .of_match_table = of_match_ptr(max6621_of_match), + }, + .probe = max6621_probe, + .id_table = max6621_id, +}; + +module_i2c_driver(max6621_driver); + +MODULE_AUTHOR("Vadim Pasternak <vadimp@mellanox.com>"); +MODULE_DESCRIPTION("Driver for Maxim MAX6621"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 40019325b517..08479006c7f9 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -114,6 +114,16 @@ config SENSORS_MAX20751 This driver can also be built as a module. If so, the module will be called max20751. +config SENSORS_MAX31785 + tristate "Maxim MAX31785 and compatibles" + default n + help + If you say yes here you get hardware monitoring support for Maxim + MAX31785. + + This driver can also be built as a module. If so, the module will + be called max31785. + config SENSORS_MAX34440 tristate "Maxim MAX34440 and compatibles" default n diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile index 459a6be3390e..ea0e39518c21 100644 --- a/drivers/hwmon/pmbus/Makefile +++ b/drivers/hwmon/pmbus/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for PMBus chip drivers. # @@ -12,6 +13,7 @@ obj-$(CONFIG_SENSORS_LTC2978) += ltc2978.o obj-$(CONFIG_SENSORS_LTC3815) += ltc3815.o obj-$(CONFIG_SENSORS_MAX16064) += max16064.o obj-$(CONFIG_SENSORS_MAX20751) += max20751.o +obj-$(CONFIG_SENSORS_MAX31785) += max31785.o obj-$(CONFIG_SENSORS_MAX34440) += max34440.o obj-$(CONFIG_SENSORS_MAX8688) += max8688.o obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o diff --git a/drivers/hwmon/pmbus/max31785.c b/drivers/hwmon/pmbus/max31785.c new file mode 100644 index 000000000000..9313849d5160 --- /dev/null +++ b/drivers/hwmon/pmbus/max31785.c @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2017 IBM Corp. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include "pmbus.h" + +enum max31785_regs { + MFR_REVISION = 0x9b, +}; + +#define MAX31785_NR_PAGES 23 + +#define MAX31785_FAN_FUNCS \ + (PMBUS_HAVE_FAN12 | PMBUS_HAVE_STATUS_FAN12) + +#define MAX31785_TEMP_FUNCS \ + (PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP) + +#define MAX31785_VOUT_FUNCS \ + (PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT) + +static const struct pmbus_driver_info max31785_info = { + .pages = MAX31785_NR_PAGES, + + /* RPM */ + .format[PSC_FAN] = direct, + .m[PSC_FAN] = 1, + .b[PSC_FAN] = 0, + .R[PSC_FAN] = 0, + .func[0] = MAX31785_FAN_FUNCS, + .func[1] = MAX31785_FAN_FUNCS, + .func[2] = MAX31785_FAN_FUNCS, + .func[3] = MAX31785_FAN_FUNCS, + .func[4] = MAX31785_FAN_FUNCS, + .func[5] = MAX31785_FAN_FUNCS, + + .format[PSC_TEMPERATURE] = direct, + .m[PSC_TEMPERATURE] = 1, + .b[PSC_TEMPERATURE] = 0, + .R[PSC_TEMPERATURE] = 2, + .func[6] = MAX31785_TEMP_FUNCS, + .func[7] = MAX31785_TEMP_FUNCS, + .func[8] = MAX31785_TEMP_FUNCS, + .func[9] = MAX31785_TEMP_FUNCS, + .func[10] = MAX31785_TEMP_FUNCS, + .func[11] = MAX31785_TEMP_FUNCS, + .func[12] = MAX31785_TEMP_FUNCS, + .func[13] = MAX31785_TEMP_FUNCS, + .func[14] = MAX31785_TEMP_FUNCS, + .func[15] = MAX31785_TEMP_FUNCS, + .func[16] = MAX31785_TEMP_FUNCS, + + .format[PSC_VOLTAGE_OUT] = direct, + .m[PSC_VOLTAGE_OUT] = 1, + .b[PSC_VOLTAGE_OUT] = 0, + .R[PSC_VOLTAGE_OUT] = 0, + .func[17] = MAX31785_VOUT_FUNCS, + .func[18] = MAX31785_VOUT_FUNCS, + .func[19] = MAX31785_VOUT_FUNCS, + .func[20] = MAX31785_VOUT_FUNCS, + .func[21] = MAX31785_VOUT_FUNCS, + .func[22] = MAX31785_VOUT_FUNCS, +}; + +static int max31785_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct pmbus_driver_info *info; + s64 ret; + + info = devm_kzalloc(dev, sizeof(struct pmbus_driver_info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + *info = max31785_info; + + ret = i2c_smbus_write_byte_data(client, PMBUS_PAGE, 255); + if (ret < 0) + return ret; + + return pmbus_do_probe(client, id, info); +} + +static const struct i2c_device_id max31785_id[] = { + { "max31785", 0 }, + { "max31785a", 0 }, + { }, +}; + +MODULE_DEVICE_TABLE(i2c, max31785_id); + +static struct i2c_driver max31785_driver = { + .driver = { + .name = "max31785", + }, + .probe = max31785_probe, + .remove = pmbus_do_remove, + .id_table = max31785_id, +}; + +module_i2c_driver(max31785_driver); + +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); +MODULE_DESCRIPTION("PMBus driver for the Maxim MAX31785"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index 4efa2bd4f6d8..fa613bd209e3 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -404,9 +404,9 @@ extern const struct regulator_ops pmbus_regulator_ops; /* Function declarations */ void pmbus_clear_cache(struct i2c_client *client); -int pmbus_set_page(struct i2c_client *client, u8 page); -int pmbus_read_word_data(struct i2c_client *client, u8 page, u8 reg); -int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, u16 word); +int pmbus_set_page(struct i2c_client *client, int page); +int pmbus_read_word_data(struct i2c_client *client, int page, u8 reg); +int pmbus_write_word_data(struct i2c_client *client, int page, u8 reg, u16 word); int pmbus_read_byte_data(struct i2c_client *client, int page, u8 reg); int pmbus_write_byte(struct i2c_client *client, int page, u8 value); int pmbus_write_byte_data(struct i2c_client *client, int page, u8 reg, diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index 302f0aef59de..52a58b8b6e1b 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -136,13 +136,13 @@ void pmbus_clear_cache(struct i2c_client *client) } EXPORT_SYMBOL_GPL(pmbus_clear_cache); -int pmbus_set_page(struct i2c_client *client, u8 page) +int pmbus_set_page(struct i2c_client *client, int page) { struct pmbus_data *data = i2c_get_clientdata(client); int rv = 0; int newpage; - if (page != data->currpage) { + if (page >= 0 && page != data->currpage) { rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page); newpage = i2c_smbus_read_byte_data(client, PMBUS_PAGE); if (newpage != page) @@ -158,11 +158,9 @@ int pmbus_write_byte(struct i2c_client *client, int page, u8 value) { int rv; - if (page >= 0) { - rv = pmbus_set_page(client, page); - if (rv < 0) - return rv; - } + rv = pmbus_set_page(client, page); + if (rv < 0) + return rv; return i2c_smbus_write_byte(client, value); } @@ -186,7 +184,8 @@ static int _pmbus_write_byte(struct i2c_client *client, int page, u8 value) return pmbus_write_byte(client, page, value); } -int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, u16 word) +int pmbus_write_word_data(struct i2c_client *client, int page, u8 reg, + u16 word) { int rv; @@ -219,7 +218,7 @@ static int _pmbus_write_word_data(struct i2c_client *client, int page, int reg, return pmbus_write_word_data(client, page, reg, word); } -int pmbus_read_word_data(struct i2c_client *client, u8 page, u8 reg) +int pmbus_read_word_data(struct i2c_client *client, int page, u8 reg) { int rv; @@ -255,11 +254,9 @@ int pmbus_read_byte_data(struct i2c_client *client, int page, u8 reg) { int rv; - if (page >= 0) { - rv = pmbus_set_page(client, page); - if (rv < 0) - return rv; - } + rv = pmbus_set_page(client, page); + if (rv < 0) + return rv; return i2c_smbus_read_byte_data(client, reg); } diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index e4d642b673c6..25d28343ba93 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -18,13 +18,11 @@ #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/gpio.h> #include <linux/module.h> #include <linux/init.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/mutex.h> -#include <linux/platform_data/sht15.h> #include <linux/platform_device.h> #include <linux/sched.h> #include <linux/delay.h> @@ -34,7 +32,8 @@ #include <linux/slab.h> #include <linux/atomic.h> #include <linux/bitrev.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> +#include <linux/of.h> /* Commands */ #define SHT15_MEASURE_TEMP 0x03 @@ -122,7 +121,8 @@ static const u8 sht15_crc8_table[] = { /** * struct sht15_data - device instance specific data - * @pdata: platform data (gpio's etc). + * @sck: clock GPIO line + * @data: data GPIO line * @read_work: bh of interrupt handler. * @wait_queue: wait queue for getting values from device. * @val_temp: last temperature value read from device. @@ -150,7 +150,8 @@ static const u8 sht15_crc8_table[] = { * @interrupt_handled: flag used to indicate a handler has been scheduled. */ struct sht15_data { - struct sht15_platform_data *pdata; + struct gpio_desc *sck; + struct gpio_desc *data; struct work_struct read_work; wait_queue_head_t wait_queue; uint16_t val_temp; @@ -205,16 +206,16 @@ static int sht15_connection_reset(struct sht15_data *data) { int i, err; - err = gpio_direction_output(data->pdata->gpio_data, 1); + err = gpiod_direction_output(data->data, 1); if (err) return err; ndelay(SHT15_TSCKL); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); for (i = 0; i < 9; ++i) { - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); } return 0; @@ -227,11 +228,11 @@ static int sht15_connection_reset(struct sht15_data *data) */ static inline void sht15_send_bit(struct sht15_data *data, int val) { - gpio_set_value(data->pdata->gpio_data, val); + gpiod_set_value(data->data, val); ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); /* clock low time */ } @@ -248,23 +249,23 @@ static int sht15_transmission_start(struct sht15_data *data) int err; /* ensure data is high and output */ - err = gpio_direction_output(data->pdata->gpio_data, 1); + err = gpiod_direction_output(data->data, 1); if (err) return err; ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - gpio_set_value(data->pdata->gpio_data, 0); + gpiod_set_value(data->data, 0); ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - gpio_set_value(data->pdata->gpio_data, 1); + gpiod_set_value(data->data, 1); ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); return 0; } @@ -292,20 +293,20 @@ static int sht15_wait_for_response(struct sht15_data *data) { int err; - err = gpio_direction_input(data->pdata->gpio_data); + err = gpiod_direction_input(data->data); if (err) return err; - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - if (gpio_get_value(data->pdata->gpio_data)) { - gpio_set_value(data->pdata->gpio_sck, 0); + if (gpiod_get_value(data->data)) { + gpiod_set_value(data->sck, 0); dev_err(data->dev, "Command not acknowledged\n"); err = sht15_connection_reset(data); if (err) return err; return -EIO; } - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); return 0; } @@ -360,17 +361,17 @@ static int sht15_ack(struct sht15_data *data) { int err; - err = gpio_direction_output(data->pdata->gpio_data, 0); + err = gpiod_direction_output(data->data, 0); if (err) return err; ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_data, 1); + gpiod_set_value(data->data, 1); - return gpio_direction_input(data->pdata->gpio_data); + return gpiod_direction_input(data->data); } /** @@ -383,13 +384,13 @@ static int sht15_end_transmission(struct sht15_data *data) { int err; - err = gpio_direction_output(data->pdata->gpio_data, 1); + err = gpiod_direction_output(data->data, 1); if (err) return err; ndelay(SHT15_TSU); - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - gpio_set_value(data->pdata->gpio_sck, 0); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); return 0; } @@ -405,10 +406,10 @@ static u8 sht15_read_byte(struct sht15_data *data) for (i = 0; i < 8; ++i) { byte <<= 1; - gpio_set_value(data->pdata->gpio_sck, 1); + gpiod_set_value(data->sck, 1); ndelay(SHT15_TSCKH); - byte |= !!gpio_get_value(data->pdata->gpio_data); - gpio_set_value(data->pdata->gpio_sck, 0); + byte |= !!gpiod_get_value(data->data); + gpiod_set_value(data->sck, 0); ndelay(SHT15_TSCKL); } return byte; @@ -428,7 +429,7 @@ static int sht15_send_status(struct sht15_data *data, u8 status) err = sht15_send_cmd(data, SHT15_WRITE_STATUS); if (err) return err; - err = gpio_direction_output(data->pdata->gpio_data, 1); + err = gpiod_direction_output(data->data, 1); if (err) return err; ndelay(SHT15_TSU); @@ -528,14 +529,14 @@ static int sht15_measurement(struct sht15_data *data, if (ret) return ret; - ret = gpio_direction_input(data->pdata->gpio_data); + ret = gpiod_direction_input(data->data); if (ret) return ret; atomic_set(&data->interrupt_handled, 0); - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - if (gpio_get_value(data->pdata->gpio_data) == 0) { - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); + enable_irq(gpiod_to_irq(data->data)); + if (gpiod_get_value(data->data) == 0) { + disable_irq_nosync(gpiod_to_irq(data->data)); /* Only relevant if the interrupt hasn't occurred. */ if (!atomic_read(&data->interrupt_handled)) schedule_work(&data->read_work); @@ -547,7 +548,7 @@ static int sht15_measurement(struct sht15_data *data, data->state = SHT15_READING_NOTHING; return -EIO; } else if (ret == 0) { /* timeout occurred */ - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); + disable_irq_nosync(gpiod_to_irq(data->data)); ret = sht15_connection_reset(data); if (ret) return ret; @@ -826,15 +827,15 @@ static void sht15_bh_read_data(struct work_struct *work_s) read_work); /* Firstly, verify the line is low */ - if (gpio_get_value(data->pdata->gpio_data)) { + if (gpiod_get_value(data->data)) { /* * If not, then start the interrupt again - care here as could * have gone low in meantime so verify it hasn't! */ atomic_set(&data->interrupt_handled, 0); - enable_irq(gpio_to_irq(data->pdata->gpio_data)); + enable_irq(gpiod_to_irq(data->data)); /* If still not occurred or another handler was scheduled */ - if (gpio_get_value(data->pdata->gpio_data) + if (gpiod_get_value(data->data) || atomic_read(&data->interrupt_handled)) return; } @@ -918,53 +919,12 @@ static const struct of_device_id sht15_dt_match[] = { { }, }; MODULE_DEVICE_TABLE(of, sht15_dt_match); - -/* - * This function returns NULL if pdev isn't a device instatiated by dt, - * a pointer to pdata if it could successfully get all information - * from dt or a negative ERR_PTR() on error. - */ -static struct sht15_platform_data *sht15_probe_dt(struct device *dev) -{ - struct device_node *np = dev->of_node; - struct sht15_platform_data *pdata; - - /* no device tree device */ - if (!np) - return NULL; - - pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return ERR_PTR(-ENOMEM); - - pdata->gpio_data = of_get_named_gpio(np, "data-gpios", 0); - if (pdata->gpio_data < 0) { - if (pdata->gpio_data != -EPROBE_DEFER) - dev_err(dev, "data-gpios not found\n"); - return ERR_PTR(pdata->gpio_data); - } - - pdata->gpio_sck = of_get_named_gpio(np, "clk-gpios", 0); - if (pdata->gpio_sck < 0) { - if (pdata->gpio_sck != -EPROBE_DEFER) - dev_err(dev, "clk-gpios not found\n"); - return ERR_PTR(pdata->gpio_sck); - } - - return pdata; -} -#else -static inline struct sht15_platform_data *sht15_probe_dt(struct device *dev) -{ - return NULL; -} #endif static int sht15_probe(struct platform_device *pdev) { int ret; struct sht15_data *data; - u8 status = 0; data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); if (!data) @@ -977,25 +937,6 @@ static int sht15_probe(struct platform_device *pdev) data->dev = &pdev->dev; init_waitqueue_head(&data->wait_queue); - data->pdata = sht15_probe_dt(&pdev->dev); - if (IS_ERR(data->pdata)) - return PTR_ERR(data->pdata); - if (data->pdata == NULL) { - data->pdata = dev_get_platdata(&pdev->dev); - if (data->pdata == NULL) { - dev_err(&pdev->dev, "no platform data supplied\n"); - return -EINVAL; - } - } - - data->supply_uv = data->pdata->supply_mv * 1000; - if (data->pdata->checksum) - data->checksumming = true; - if (data->pdata->no_otp_reload) - status |= SHT15_STATUS_NO_OTP_RELOAD; - if (data->pdata->low_resolution) - status |= SHT15_STATUS_LOW_RESOLUTION; - /* * If a regulator is available, * query what the supply voltage actually is! @@ -1030,21 +971,20 @@ static int sht15_probe(struct platform_device *pdev) } /* Try requesting the GPIOs */ - ret = devm_gpio_request_one(&pdev->dev, data->pdata->gpio_sck, - GPIOF_OUT_INIT_LOW, "SHT15 sck"); - if (ret) { + data->sck = devm_gpiod_get(&pdev->dev, "clk", GPIOD_OUT_LOW); + if (IS_ERR(data->sck)) { + ret = PTR_ERR(data->sck); dev_err(&pdev->dev, "clock line GPIO request failed\n"); goto err_release_reg; } - - ret = devm_gpio_request(&pdev->dev, data->pdata->gpio_data, - "SHT15 data"); - if (ret) { + data->data = devm_gpiod_get(&pdev->dev, "data", GPIOD_IN); + if (IS_ERR(data->data)) { + ret = PTR_ERR(data->data); dev_err(&pdev->dev, "data line GPIO request failed\n"); goto err_release_reg; } - ret = devm_request_irq(&pdev->dev, gpio_to_irq(data->pdata->gpio_data), + ret = devm_request_irq(&pdev->dev, gpiod_to_irq(data->data), sht15_interrupt_fired, IRQF_TRIGGER_FALLING, "sht15 data", @@ -1053,7 +993,7 @@ static int sht15_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get irq for data line\n"); goto err_release_reg; } - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); + disable_irq_nosync(gpiod_to_irq(data->data)); ret = sht15_connection_reset(data); if (ret) goto err_release_reg; @@ -1061,13 +1001,6 @@ static int sht15_probe(struct platform_device *pdev) if (ret) goto err_release_reg; - /* write status with platform data options */ - if (status) { - ret = sht15_send_status(data, status); - if (ret) - goto err_release_reg; - } - ret = sysfs_create_group(&pdev->dev.kobj, &sht15_attr_group); if (ret) { dev_err(&pdev->dev, "sysfs create failed\n"); diff --git a/drivers/hwmon/stts751.c b/drivers/hwmon/stts751.c index 3f940fb67dc6..7fe152d92350 100644 --- a/drivers/hwmon/stts751.c +++ b/drivers/hwmon/stts751.c @@ -396,7 +396,7 @@ static ssize_t show_max_alarm(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->max_alert); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->max_alert); } static ssize_t show_min_alarm(struct device *dev, struct device_attribute *attr, @@ -413,7 +413,7 @@ static ssize_t show_min_alarm(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->min_alert); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->min_alert); } static ssize_t show_input(struct device *dev, struct device_attribute *attr, @@ -428,7 +428,7 @@ static ssize_t show_input(struct device *dev, struct device_attribute *attr, if (ret < 0) return ret; - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->temp); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->temp); } static ssize_t show_therm(struct device *dev, struct device_attribute *attr, @@ -436,7 +436,7 @@ static ssize_t show_therm(struct device *dev, struct device_attribute *attr, { struct stts751_priv *priv = dev_get_drvdata(dev); - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->therm); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->therm); } static ssize_t set_therm(struct device *dev, struct device_attribute *attr, @@ -478,7 +478,7 @@ static ssize_t show_hyst(struct device *dev, struct device_attribute *attr, { struct stts751_priv *priv = dev_get_drvdata(dev); - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->hyst); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->hyst); } static ssize_t set_hyst(struct device *dev, struct device_attribute *attr, @@ -518,7 +518,7 @@ static ssize_t show_therm_trip(struct device *dev, if (ret < 0) return ret; - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->therm_trip); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->therm_trip); } static ssize_t show_max(struct device *dev, struct device_attribute *attr, @@ -526,7 +526,7 @@ static ssize_t show_max(struct device *dev, struct device_attribute *attr, { struct stts751_priv *priv = dev_get_drvdata(dev); - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->event_max); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->event_max); } static ssize_t set_max(struct device *dev, struct device_attribute *attr, @@ -560,7 +560,7 @@ static ssize_t show_min(struct device *dev, struct device_attribute *attr, { struct stts751_priv *priv = dev_get_drvdata(dev); - return snprintf(buf, PAGE_SIZE - 1, "%d\n", priv->event_min); + return snprintf(buf, PAGE_SIZE, "%d\n", priv->event_min); } static ssize_t set_min(struct device *dev, struct device_attribute *attr, @@ -594,7 +594,7 @@ static ssize_t show_interval(struct device *dev, struct device_attribute *attr, { struct stts751_priv *priv = dev_get_drvdata(dev); - return snprintf(buf, PAGE_SIZE - 1, "%d\n", + return snprintf(buf, PAGE_SIZE, "%d\n", stts751_intervals[priv->interval]); } diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c index 5eafbaada795..dfc40c740d07 100644 --- a/drivers/hwmon/tmp102.c +++ b/drivers/hwmon/tmp102.c @@ -268,14 +268,11 @@ static int tmp102_probe(struct i2c_client *client, return err; } - tmp102->ready_time = jiffies; - if (tmp102->config_orig & TMP102_CONF_SD) { - /* - * Mark that we are not ready with data until the first - * conversion is complete - */ - tmp102->ready_time += msecs_to_jiffies(CONVERSION_TIME_MS); - } + /* + * Mark that we are not ready with data until the first + * conversion is complete + */ + tmp102->ready_time = jiffies + msecs_to_jiffies(CONVERSION_TIME_MS); hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name, tmp102, diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index dab5c515d5a3..5ba9d9f1daa1 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -1676,7 +1676,9 @@ static int w83793_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; - const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 }; + static const int watchdog_minors[] = { + WATCHDOG_MINOR, 212, 213, 214, 215 + }; struct w83793_data *data; int i, tmp, val, err; int files_fan = ARRAY_SIZE(w83793_left_fan) / 7; diff --git a/drivers/hwmon/xgene-hwmon.c b/drivers/hwmon/xgene-hwmon.c index e1be61095532..a3cd91f23267 100644 --- a/drivers/hwmon/xgene-hwmon.c +++ b/drivers/hwmon/xgene-hwmon.c @@ -91,6 +91,11 @@ #define to_xgene_hwmon_dev(cl) \ container_of(cl, struct xgene_hwmon_dev, mbox_client) +enum xgene_hwmon_version { + XGENE_HWMON_V1 = 0, + XGENE_HWMON_V2 = 1, +}; + struct slimpro_resp_msg { u32 msg; u32 param1; @@ -609,6 +614,15 @@ static void xgene_hwmon_tx_done(struct mbox_client *cl, void *msg, int ret) } } +#ifdef CONFIG_ACPI +static const struct acpi_device_id xgene_hwmon_acpi_match[] = { + {"APMC0D29", XGENE_HWMON_V1}, + {"APMC0D8A", XGENE_HWMON_V2}, + {}, +}; +MODULE_DEVICE_TABLE(acpi, xgene_hwmon_acpi_match); +#endif + static int xgene_hwmon_probe(struct platform_device *pdev) { struct xgene_hwmon_dev *ctx; @@ -651,6 +665,15 @@ static int xgene_hwmon_probe(struct platform_device *pdev) } } else { struct acpi_pcct_hw_reduced *cppc_ss; + const struct acpi_device_id *acpi_id; + int version; + + acpi_id = acpi_match_device(pdev->dev.driver->acpi_match_table, + &pdev->dev); + if (!acpi_id) + return -EINVAL; + + version = (int)acpi_id->driver_data; if (device_property_read_u32(&pdev->dev, "pcc-channel", &ctx->mbox_idx)) { @@ -693,7 +716,13 @@ static int xgene_hwmon_probe(struct platform_device *pdev) */ ctx->comm_base_addr = cppc_ss->base_address; if (ctx->comm_base_addr) { - ctx->pcc_comm_addr = memremap(ctx->comm_base_addr, + if (version == XGENE_HWMON_V2) + ctx->pcc_comm_addr = (void __force *)ioremap( + ctx->comm_base_addr, + cppc_ss->length); + else + ctx->pcc_comm_addr = memremap( + ctx->comm_base_addr, cppc_ss->length, MEMREMAP_WB); } else { @@ -761,14 +790,6 @@ static int xgene_hwmon_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_ACPI -static const struct acpi_device_id xgene_hwmon_acpi_match[] = { - {"APMC0D29", 0}, - {}, -}; -MODULE_DEVICE_TABLE(acpi, xgene_hwmon_acpi_match); -#endif - static const struct of_device_id xgene_hwmon_of_match[] = { {.compatible = "apm,xgene-slimpro-hwmon"}, {} diff --git a/drivers/hwspinlock/Makefile b/drivers/hwspinlock/Makefile index 14928aa7cc5a..b87c01a506a4 100644 --- a/drivers/hwspinlock/Makefile +++ b/drivers/hwspinlock/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Generic Hardware Spinlock framework # diff --git a/drivers/hwtracing/coresight/Makefile b/drivers/hwtracing/coresight/Makefile index 5bae90ce794d..61db9dd0d571 100644 --- a/drivers/hwtracing/coresight/Makefile +++ b/drivers/hwtracing/coresight/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for CoreSight drivers. # diff --git a/drivers/hwtracing/intel_th/Makefile b/drivers/hwtracing/intel_th/Makefile index 81d42fe918f7..880c9b5e8566 100644 --- a/drivers/hwtracing/intel_th/Makefile +++ b/drivers/hwtracing/intel_th/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INTEL_TH) += intel_th.o intel_th-y := core.o intel_th-$(CONFIG_INTEL_TH_DEBUG) += debug.o diff --git a/drivers/hwtracing/stm/Makefile b/drivers/hwtracing/stm/Makefile index 3abd84ce13d4..effc19e5190f 100644 --- a/drivers/hwtracing/stm/Makefile +++ b/drivers/hwtracing/stm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_STM) += stm_core.o stm_core-y := core.o policy.o diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 7bb65a4369e1..72c94c60fdd1 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the i2c core. # diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index 47f3ac9a695a..2ce8576540a2 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the i2c bus drivers. # diff --git a/drivers/i2c/busses/i2c-octeon-core.h b/drivers/i2c/busses/i2c-octeon-core.h index aa3c8f4771c1..a7ef19855bb8 100644 --- a/drivers/i2c/busses/i2c-octeon-core.h +++ b/drivers/i2c/busses/i2c-octeon-core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/atomic.h> #include <linux/clk.h> #include <linux/delay.h> diff --git a/drivers/i2c/muxes/Makefile b/drivers/i2c/muxes/Makefile index 4a67d3199877..6d9d865e8518 100644 --- a/drivers/i2c/muxes/Makefile +++ b/drivers/i2c/muxes/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for multiplexer I2C chip drivers. diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index 2a8c417d4081..9f617a77970f 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # link order is important here # diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index 968038482d2f..7d4e5c08f133 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Provides ACPI support for IDE drives. * diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 81e18f9628d0..6ff0be8cbdc9 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -867,11 +867,16 @@ static void msf_from_bcd(struct atapi_msf *msf) int cdrom_check_status(ide_drive_t *drive, struct request_sense *sense) { struct cdrom_info *info = drive->driver_data; - struct cdrom_device_info *cdi = &info->devinfo; + struct cdrom_device_info *cdi; unsigned char cmd[BLK_MAX_CDB]; ide_debug_log(IDE_DBG_FUNC, "enter"); + if (!info) + return -EIO; + + cdi = &info->devinfo; + memset(cmd, 0, BLK_MAX_CDB); cmd[0] = GPCMD_TEST_UNIT_READY; @@ -1328,6 +1333,7 @@ static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq) unsigned long blocks = blk_rq_sectors(rq) / (hard_sect >> 9); struct scsi_request *req = scsi_req(rq); + scsi_req_init(req); memset(req->cmd, 0, BLK_MAX_CDB); if (rq_data_dir(rq) == READ) diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index eea60c986c4f..264e822eba58 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 1996-98 Erik Andersen * Copyright (C) 1998-2000 Jens Axboe diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index 9d26c9737e21..2acca12b9c94 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * cdrom.c IOCTLs handling for ide-cd driver. * diff --git a/drivers/ide/ide-cd_verbose.c b/drivers/ide/ide-cd_verbose.c index 58a6feb74c02..5ecd5b2f03a3 100644 --- a/drivers/ide/ide-cd_verbose.c +++ b/drivers/ide/ide-cd_verbose.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Verbose error logging for ATAPI CD/DVD devices. * diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c index ef7c8c43a380..4e20747af32e 100644 --- a/drivers/ide/ide-devsets.c +++ b/drivers/ide/ide-devsets.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/gfp.h> diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 241983da5fc4..188d1b03715d 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1994-1998 Linus Torvalds & authors (see below) * Copyright (C) 1998-2002 Linux ATA Development diff --git a/drivers/ide/ide-disk.h b/drivers/ide/ide-disk.h index d511dab7c4aa..0e8cc18bfda6 100644 --- a/drivers/ide/ide-disk.h +++ b/drivers/ide/ide-disk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IDE_DISK_H #define __IDE_DISK_H diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c index da36f729ff32..2c45616cff4f 100644 --- a/drivers/ide/ide-disk_ioctl.c +++ b/drivers/ide/ide-disk_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/ide.h> #include <linux/hdreg.h> diff --git a/drivers/ide/ide-disk_proc.c b/drivers/ide/ide-disk_proc.c index 0d1fae6cba6d..82a36ced4e96 100644 --- a/drivers/ide/ide-disk_proc.c +++ b/drivers/ide/ide-disk_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/ide.h> #include <linux/slab.h> diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 3ddd88219906..5bd2aafc3753 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IDE ATAPI floppy driver. * diff --git a/drivers/ide/ide-floppy.h b/drivers/ide/ide-floppy.h index 6dd2beb48434..13c9b4b6d75e 100644 --- a/drivers/ide/ide-floppy.h +++ b/drivers/ide/ide-floppy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IDE_FLOPPY_H #define __IDE_FLOPPY_H diff --git a/drivers/ide/ide-floppy_ioctl.c b/drivers/ide/ide-floppy_ioctl.c index a22ca8467010..40a2ebe34e1d 100644 --- a/drivers/ide/ide-floppy_ioctl.c +++ b/drivers/ide/ide-floppy_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ide-floppy IOCTLs handling. */ diff --git a/drivers/ide/ide-floppy_proc.c b/drivers/ide/ide-floppy_proc.c index e7a25ea757df..471457ebea67 100644 --- a/drivers/ide/ide-floppy_proc.c +++ b/drivers/ide/ide-floppy_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/export.h> #include <linux/ide.h> diff --git a/drivers/ide/ide-gd.h b/drivers/ide/ide-gd.h index 55970772bd04..af3fe1880e9e 100644 --- a/drivers/ide/ide-gd.h +++ b/drivers/ide/ide-gd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IDE_GD_H #define __IDE_GD_H diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 3a234701d92c..6f25da56a169 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -611,9 +611,9 @@ static int drive_is_ready(ide_drive_t *drive) * logic that wants cleaning up. */ -void ide_timer_expiry (unsigned long data) +void ide_timer_expiry (struct timer_list *t) { - ide_hwif_t *hwif = (ide_hwif_t *)data; + ide_hwif_t *hwif = from_timer(hwif, t, timer); ide_drive_t *uninitialized_var(drive); ide_handler_t *handler; unsigned long flags; diff --git a/drivers/ide/ide-park.c b/drivers/ide/ide-park.c index 1f264d5d3f3f..6465bcc7cea6 100644 --- a/drivers/ide/ide-park.c +++ b/drivers/ide/ide-park.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/gfp.h> #include <linux/ide.h> diff --git a/drivers/ide/ide-pio-blacklist.c b/drivers/ide/ide-pio-blacklist.c index 40e683a84ff9..1fd24798e5c9 100644 --- a/drivers/ide/ide-pio-blacklist.c +++ b/drivers/ide/ide-pio-blacklist.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PIO blacklist. Some drives incorrectly report their maximal PIO mode, * at least in respect to CMD640. Here we keep info on some known drives. diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c index 544f02d673ca..dccdca9eda38 100644 --- a/drivers/ide/ide-pm.c +++ b/drivers/ide/ide-pm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/gfp.h> #include <linux/ide.h> diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index eaf39e5db08b..17fd55af4d92 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1184,7 +1184,7 @@ static void ide_init_port_data(ide_hwif_t *hwif, unsigned int index) spin_lock_init(&hwif->lock); - setup_timer(&hwif->timer, &ide_timer_expiry, (unsigned long)hwif); + timer_setup(&hwif->timer, ide_timer_expiry, 0); init_completion(&hwif->gendev_rel_comp); diff --git a/drivers/ide/ide-sysfs.c b/drivers/ide/ide-sysfs.c index 84a6a9e08d64..b9dfeb2e8bd6 100644 --- a/drivers/ide/ide-sysfs.c +++ b/drivers/ide/ide-sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/ide.h> diff --git a/drivers/ide/qd65xx.h b/drivers/ide/qd65xx.h index 1fba2a5f281c..01a43ab45e0e 100644 --- a/drivers/ide/qd65xx.h +++ b/drivers/ide/qd65xx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000 Linus Torvalds & authors */ diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 5dc7ea4b6bc4..b2ccce5fb071 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -913,22 +913,29 @@ static __cpuidle int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state = &drv->states[index]; unsigned long eax = flg2MWAIT(state->flags); unsigned int cstate; - - cstate = (((eax) >> MWAIT_SUBSTATE_SIZE) & MWAIT_CSTATE_MASK) + 1; + bool uninitialized_var(tick); + int cpu = smp_processor_id(); /* - * NB: if CPUIDLE_FLAG_TLB_FLUSHED is set, this idle transition - * will probably flush the TLB. It's not guaranteed to flush - * the TLB, though, so it's not clear that we can do anything - * useful with this knowledge. + * leave_mm() to avoid costly and often unnecessary wakeups + * for flushing the user TLB's associated with the active mm. */ - - if (!(lapic_timer_reliable_states & (1 << (cstate)))) - tick_broadcast_enter(); + if (state->flags & CPUIDLE_FLAG_TLB_FLUSHED) + leave_mm(cpu); + + if (!static_cpu_has(X86_FEATURE_ARAT)) { + cstate = (((eax) >> MWAIT_SUBSTATE_SIZE) & + MWAIT_CSTATE_MASK) + 1; + tick = false; + if (!(lapic_timer_reliable_states & (1 << (cstate)))) { + tick = true; + tick_broadcast_enter(); + } + } mwait_idle_with_hints(eax, ecx); - if (!(lapic_timer_reliable_states & (1 << (cstate)))) + if (!static_cpu_has(X86_FEATURE_ARAT) && tick) tick_broadcast_exit(); return index; @@ -1060,7 +1067,7 @@ static const struct idle_cpu idle_cpu_dnv = { }; #define ICPU(model, cpu) \ - { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&cpu } + { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&cpu } static const struct x86_cpu_id intel_idle_ids[] __initconst = { ICPU(INTEL_FAM6_NEHALEM_EP, idle_cpu_nehalem), @@ -1124,6 +1131,11 @@ static int __init intel_idle_probe(void) return -ENODEV; } + if (!boot_cpu_has(X86_FEATURE_MWAIT)) { + pr_debug("Please enable MWAIT in BIOS SETUP\n"); + return -ENODEV; + } + if (boot_cpu_data.cpuid_level < CPUID_MWAIT_LEAF) return -ENODEV; diff --git a/drivers/iio/Makefile b/drivers/iio/Makefile index 93c769cd99bf..b16b2e9ddc40 100644 --- a/drivers/iio/Makefile +++ b/drivers/iio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the industrial I/O core. # diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig index 15de262015df..c6d9517d7611 100644 --- a/drivers/iio/accel/Kconfig +++ b/drivers/iio/accel/Kconfig @@ -148,6 +148,17 @@ config HID_SENSOR_ACCEL_3D To compile this driver as a module, choose M here: the module will be called hid-sensor-accel-3d. +config IIO_CROS_EC_ACCEL_LEGACY + tristate "ChromeOS EC Legacy Accelerometer Sensor" + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER + select CROS_EC_LPC_REGISTER_DEVICE + help + Say yes here to get support for accelerometers on Chromebook using + legacy EC firmware. + Sensor data is retrieved through IO memory. + Newer devices should use IIO_CROS_EC_SENSORS. + config IIO_ST_ACCEL_3AXIS tristate "STMicroelectronics accelerometers 3-Axis Driver" depends on (I2C || SPI_MASTER) && SYSFS @@ -219,8 +230,8 @@ config KXCJK1013 select IIO_TRIGGERED_BUFFER help Say Y here if you want to build a driver for the Kionix KXCJK-1013 - triaxial acceleration sensor. This driver also supports KXCJ9-1008 - and KXTJ2-1009. + triaxial acceleration sensor. This driver also supports KXCJ9-1008, + KXTJ2-1009 and KXTF9. To compile this driver as a module, choose M here: the module will be called kxcjk-1013. diff --git a/drivers/iio/accel/Makefile b/drivers/iio/accel/Makefile index 31fba1974e95..368aedb6377a 100644 --- a/drivers/iio/accel/Makefile +++ b/drivers/iio/accel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O accelerometer drivers # @@ -43,6 +44,8 @@ obj-$(CONFIG_SCA3000) += sca3000.o obj-$(CONFIG_STK8312) += stk8312.o obj-$(CONFIG_STK8BA50) += stk8ba50.o +obj-$(CONFIG_IIO_CROS_EC_ACCEL_LEGACY) += cros_ec_accel_legacy.o + obj-$(CONFIG_IIO_SSP_SENSORS_COMMONS) += ssp_accel_sensor.o obj-$(CONFIG_IIO_ST_ACCEL_3AXIS) += st_accel.o diff --git a/drivers/iio/accel/adxl345_core.c b/drivers/iio/accel/adxl345_core.c index 9ccb5828db98..7251d0e63d74 100644 --- a/drivers/iio/accel/adxl345_core.c +++ b/drivers/iio/accel/adxl345_core.c @@ -95,7 +95,6 @@ static int adxl345_read_raw(struct iio_dev *indio_dev, } static const struct iio_info adxl345_info = { - .driver_module = THIS_MODULE, .read_raw = adxl345_read_raw, }; diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 3dec972ca672..cb9765a3de60 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -536,7 +536,6 @@ static const struct iio_info bma180_info = { .attrs = &bma180_attrs_group, .read_raw = bma180_read_raw, .write_raw = bma180_write_raw, - .driver_module = THIS_MODULE, }; static const char * const bma180_power_modes[] = { "low_noise", "low_power" }; @@ -700,7 +699,6 @@ static int bma180_trig_try_reen(struct iio_trigger *trig) static const struct iio_trigger_ops bma180_trigger_ops = { .set_trigger_state = bma180_data_rdy_trigger_set_state, .try_reenable = bma180_trig_try_reen, - .owner = THIS_MODULE, }; static int bma180_probe(struct i2c_client *client, diff --git a/drivers/iio/accel/bma220_spi.c b/drivers/iio/accel/bma220_spi.c index 5099f295dd37..e25d91c017ed 100644 --- a/drivers/iio/accel/bma220_spi.c +++ b/drivers/iio/accel/bma220_spi.c @@ -186,7 +186,6 @@ static int bma220_write_raw(struct iio_dev *indio_dev, } static const struct iio_info bma220_info = { - .driver_module = THIS_MODULE, .read_raw = bma220_read_raw, .write_raw = bma220_write_raw, .attrs = &bma220_attribute_group, diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c index 807299dd45eb..870f92ef61c2 100644 --- a/drivers/iio/accel/bmc150-accel-core.c +++ b/drivers/iio/accel/bmc150-accel-core.c @@ -1094,7 +1094,6 @@ static const struct iio_info bmc150_accel_info = { .write_event_value = bmc150_accel_write_event, .write_event_config = bmc150_accel_write_event_config, .read_event_config = bmc150_accel_read_event_config, - .driver_module = THIS_MODULE, }; static const struct iio_info bmc150_accel_info_fifo = { @@ -1108,7 +1107,6 @@ static const struct iio_info bmc150_accel_info_fifo = { .validate_trigger = bmc150_accel_validate_trigger, .hwfifo_set_watermark = bmc150_accel_set_watermark, .hwfifo_flush_to_buffer = bmc150_accel_fifo_flush, - .driver_module = THIS_MODULE, }; static const unsigned long bmc150_accel_scan_masks[] = { @@ -1200,7 +1198,6 @@ static int bmc150_accel_trigger_set_state(struct iio_trigger *trig, static const struct iio_trigger_ops bmc150_accel_trigger_ops = { .set_trigger_state = bmc150_accel_trigger_set_state, .try_reenable = bmc150_accel_trig_try_reen, - .owner = THIS_MODULE, }; static int bmc150_accel_handle_roc_event(struct iio_dev *indio_dev) diff --git a/drivers/iio/accel/bmc150-accel.h b/drivers/iio/accel/bmc150-accel.h index 38a8b11f8c19..ae6118ae11b1 100644 --- a/drivers/iio/accel/bmc150-accel.h +++ b/drivers/iio/accel/bmc150-accel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BMC150_ACCEL_H_ #define _BMC150_ACCEL_H_ diff --git a/drivers/iio/accel/cros_ec_accel_legacy.c b/drivers/iio/accel/cros_ec_accel_legacy.c new file mode 100644 index 000000000000..063e89eff791 --- /dev/null +++ b/drivers/iio/accel/cros_ec_accel_legacy.c @@ -0,0 +1,423 @@ +/* + * Driver for older Chrome OS EC accelerometer + * + * Copyright 2017 Google, Inc + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * This driver uses the memory mapper cros-ec interface to communicate + * with the Chrome OS EC about accelerometer data. + * Accelerometer access is presented through iio sysfs. + */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/iio/buffer.h> +#include <linux/iio/iio.h> +#include <linux/iio/kfifo_buf.h> +#include <linux/iio/trigger_consumer.h> +#include <linux/iio/triggered_buffer.h> +#include <linux/kernel.h> +#include <linux/mfd/cros_ec.h> +#include <linux/mfd/cros_ec_commands.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/sysfs.h> +#include <linux/platform_device.h> + +#define DRV_NAME "cros-ec-accel-legacy" + +/* + * Sensor scale hard coded at 10 bits per g, computed as: + * g / (2^10 - 1) = 0.009586168; with g = 9.80665 m.s^-2 + */ +#define ACCEL_LEGACY_NSCALE 9586168 + +/* Indices for EC sensor values. */ +enum { + X, + Y, + Z, + MAX_AXIS, +}; + +/* State data for cros_ec_accel_legacy iio driver. */ +struct cros_ec_accel_legacy_state { + struct cros_ec_device *ec; + + /* + * Array holding data from a single capture. 2 bytes per channel + * for the 3 channels plus the timestamp which is always last and + * 8-bytes aligned. + */ + s16 capture_data[8]; + s8 sign[MAX_AXIS]; + u8 sensor_num; +}; + +static int ec_cmd_read_u8(struct cros_ec_device *ec, unsigned int offset, + u8 *dest) +{ + return ec->cmd_readmem(ec, offset, 1, dest); +} + +static int ec_cmd_read_u16(struct cros_ec_device *ec, unsigned int offset, + u16 *dest) +{ + __le16 tmp; + int ret = ec->cmd_readmem(ec, offset, 2, &tmp); + + *dest = le16_to_cpu(tmp); + + return ret; +} + +/** + * read_ec_until_not_busy() - Read from EC status byte until it reads not busy. + * @st: Pointer to state information for device. + * + * This function reads EC status until its busy bit gets cleared. It does not + * wait indefinitely and returns -EIO if the EC status is still busy after a + * few hundreds milliseconds. + * + * Return: 8-bit status if ok, -EIO on error + */ +static int read_ec_until_not_busy(struct cros_ec_accel_legacy_state *st) +{ + struct cros_ec_device *ec = st->ec; + u8 status; + int attempts = 0; + + ec_cmd_read_u8(ec, EC_MEMMAP_ACC_STATUS, &status); + while (status & EC_MEMMAP_ACC_STATUS_BUSY_BIT) { + /* Give up after enough attempts, return error. */ + if (attempts++ >= 50) + return -EIO; + + /* Small delay every so often. */ + if (attempts % 5 == 0) + msleep(25); + + ec_cmd_read_u8(ec, EC_MEMMAP_ACC_STATUS, &status); + } + + return status; +} + +/** + * read_ec_accel_data_unsafe() - Read acceleration data from EC shared memory. + * @st: Pointer to state information for device. + * @scan_mask: Bitmap of the sensor indices to scan. + * @data: Location to store data. + * + * This is the unsafe function for reading the EC data. It does not guarantee + * that the EC will not modify the data as it is being read in. + */ +static void read_ec_accel_data_unsafe(struct cros_ec_accel_legacy_state *st, + unsigned long scan_mask, s16 *data) +{ + int i = 0; + int num_enabled = bitmap_weight(&scan_mask, MAX_AXIS); + + /* Read all sensors enabled in scan_mask. Each value is 2 bytes. */ + while (num_enabled--) { + i = find_next_bit(&scan_mask, MAX_AXIS, i); + ec_cmd_read_u16(st->ec, + EC_MEMMAP_ACC_DATA + + sizeof(s16) * + (1 + i + st->sensor_num * MAX_AXIS), + data); + *data *= st->sign[i]; + i++; + data++; + } +} + +/** + * read_ec_accel_data() - Read acceleration data from EC shared memory. + * @st: Pointer to state information for device. + * @scan_mask: Bitmap of the sensor indices to scan. + * @data: Location to store data. + * + * This is the safe function for reading the EC data. It guarantees that + * the data sampled was not modified by the EC while being read. + * + * Return: 0 if ok, -ve on error + */ +static int read_ec_accel_data(struct cros_ec_accel_legacy_state *st, + unsigned long scan_mask, s16 *data) +{ + u8 samp_id = 0xff; + u8 status = 0; + int ret; + int attempts = 0; + + /* + * Continually read all data from EC until the status byte after + * all reads reflects that the EC is not busy and the sample id + * matches the sample id from before all reads. This guarantees + * that data read in was not modified by the EC while reading. + */ + while ((status & (EC_MEMMAP_ACC_STATUS_BUSY_BIT | + EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK)) != samp_id) { + /* If we have tried to read too many times, return error. */ + if (attempts++ >= 5) + return -EIO; + + /* Read status byte until EC is not busy. */ + ret = read_ec_until_not_busy(st); + if (ret < 0) + return ret; + status = ret; + + /* + * Store the current sample id so that we can compare to the + * sample id after reading the data. + */ + samp_id = status & EC_MEMMAP_ACC_STATUS_SAMPLE_ID_MASK; + + /* Read all EC data, format it, and store it into data. */ + read_ec_accel_data_unsafe(st, scan_mask, data); + + /* Read status byte. */ + ec_cmd_read_u8(st->ec, EC_MEMMAP_ACC_STATUS, &status); + } + + return 0; +} + +static int cros_ec_accel_legacy_read(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct cros_ec_accel_legacy_state *st = iio_priv(indio_dev); + s16 data = 0; + int ret = IIO_VAL_INT; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + ret = read_ec_accel_data(st, (1 << chan->scan_index), &data); + if (ret) + return ret; + *val = data; + return IIO_VAL_INT; + case IIO_CHAN_INFO_SCALE: + *val = 0; + *val2 = ACCEL_LEGACY_NSCALE; + return IIO_VAL_INT_PLUS_NANO; + case IIO_CHAN_INFO_CALIBBIAS: + /* Calibration not supported. */ + *val = 0; + return IIO_VAL_INT; + default: + return -EINVAL; + } +} + +static int cros_ec_accel_legacy_write(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + /* + * Do nothing but don't return an error code to allow calibration + * script to work. + */ + if (mask == IIO_CHAN_INFO_CALIBBIAS) + return 0; + + return -EINVAL; +} + +static const struct iio_info cros_ec_accel_legacy_info = { + .read_raw = &cros_ec_accel_legacy_read, + .write_raw = &cros_ec_accel_legacy_write, +}; + +/** + * cros_ec_accel_legacy_capture() - The trigger handler function + * @irq: The interrupt number. + * @p: Private data - always a pointer to the poll func. + * + * On a trigger event occurring, if the pollfunc is attached then this + * handler is called as a threaded interrupt (and hence may sleep). It + * is responsible for grabbing data from the device and pushing it into + * the associated buffer. + * + * Return: IRQ_HANDLED + */ +static irqreturn_t cros_ec_accel_legacy_capture(int irq, void *p) +{ + struct iio_poll_func *pf = p; + struct iio_dev *indio_dev = pf->indio_dev; + struct cros_ec_accel_legacy_state *st = iio_priv(indio_dev); + + /* Clear capture data. */ + memset(st->capture_data, 0, sizeof(st->capture_data)); + + /* + * Read data based on which channels are enabled in scan mask. Note + * that on a capture we are always reading the calibrated data. + */ + read_ec_accel_data(st, *indio_dev->active_scan_mask, st->capture_data); + + iio_push_to_buffers_with_timestamp(indio_dev, (void *)st->capture_data, + iio_get_time_ns(indio_dev)); + + /* + * Tell the core we are done with this trigger and ready for the + * next one. + */ + iio_trigger_notify_done(indio_dev->trig); + + return IRQ_HANDLED; +} + +static char *cros_ec_accel_legacy_loc_strings[] = { + [MOTIONSENSE_LOC_BASE] = "base", + [MOTIONSENSE_LOC_LID] = "lid", + [MOTIONSENSE_LOC_MAX] = "unknown", +}; + +static ssize_t cros_ec_accel_legacy_loc(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + char *buf) +{ + struct cros_ec_accel_legacy_state *st = iio_priv(indio_dev); + + return sprintf(buf, "%s\n", + cros_ec_accel_legacy_loc_strings[st->sensor_num + + MOTIONSENSE_LOC_BASE]); +} + +static ssize_t cros_ec_accel_legacy_id(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + char *buf) +{ + struct cros_ec_accel_legacy_state *st = iio_priv(indio_dev); + + return sprintf(buf, "%d\n", st->sensor_num); +} + +static const struct iio_chan_spec_ext_info cros_ec_accel_legacy_ext_info[] = { + { + .name = "id", + .shared = IIO_SHARED_BY_ALL, + .read = cros_ec_accel_legacy_id, + }, + { + .name = "location", + .shared = IIO_SHARED_BY_ALL, + .read = cros_ec_accel_legacy_loc, + }, + { } +}; + +#define CROS_EC_ACCEL_LEGACY_CHAN(_axis) \ + { \ + .type = IIO_ACCEL, \ + .channel2 = IIO_MOD_X + (_axis), \ + .modified = 1, \ + .info_mask_separate = \ + BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_SCALE) | \ + BIT(IIO_CHAN_INFO_CALIBBIAS), \ + .info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SCALE), \ + .ext_info = cros_ec_accel_legacy_ext_info, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 16, \ + .storagebits = 16, \ + }, \ + } \ + +static struct iio_chan_spec ec_accel_channels[] = { + CROS_EC_ACCEL_LEGACY_CHAN(X), + CROS_EC_ACCEL_LEGACY_CHAN(Y), + CROS_EC_ACCEL_LEGACY_CHAN(Z), + IIO_CHAN_SOFT_TIMESTAMP(MAX_AXIS) +}; + +static int cros_ec_accel_legacy_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct cros_ec_dev *ec = dev_get_drvdata(dev->parent); + struct cros_ec_sensor_platform *sensor_platform = dev_get_platdata(dev); + struct iio_dev *indio_dev; + struct cros_ec_accel_legacy_state *state; + int ret, i; + + if (!ec || !ec->ec_dev) { + dev_warn(&pdev->dev, "No EC device found.\n"); + return -EINVAL; + } + + if (!ec->ec_dev->cmd_readmem) { + dev_warn(&pdev->dev, "EC does not support direct reads.\n"); + return -EINVAL; + } + + indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*state)); + if (!indio_dev) + return -ENOMEM; + + platform_set_drvdata(pdev, indio_dev); + state = iio_priv(indio_dev); + state->ec = ec->ec_dev; + state->sensor_num = sensor_platform->sensor_num; + + indio_dev->dev.parent = dev; + indio_dev->name = pdev->name; + indio_dev->channels = ec_accel_channels; + /* + * Present the channel using HTML5 standard: + * need to invert X and Y and invert some lid axis. + */ + for (i = X ; i < MAX_AXIS; i++) { + switch (i) { + case X: + ec_accel_channels[X].scan_index = Y; + case Y: + ec_accel_channels[Y].scan_index = X; + case Z: + ec_accel_channels[Z].scan_index = Z; + } + if (state->sensor_num == MOTIONSENSE_LOC_LID && i != Y) + state->sign[i] = -1; + else + state->sign[i] = 1; + } + indio_dev->num_channels = ARRAY_SIZE(ec_accel_channels); + indio_dev->dev.parent = &pdev->dev; + indio_dev->info = &cros_ec_accel_legacy_info; + indio_dev->modes = INDIO_DIRECT_MODE; + + ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL, + cros_ec_accel_legacy_capture, + NULL); + if (ret) + return ret; + + return devm_iio_device_register(dev, indio_dev); +} + +static struct platform_driver cros_ec_accel_platform_driver = { + .driver = { + .name = DRV_NAME, + }, + .probe = cros_ec_accel_legacy_probe, +}; +module_platform_driver(cros_ec_accel_platform_driver); + +MODULE_DESCRIPTION("ChromeOS EC legacy accelerometer driver"); +MODULE_AUTHOR("Gwendal Grignou <gwendal@chromium.org>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/iio/accel/da280.c b/drivers/iio/accel/da280.c index ed8343aeac9c..6c214783241c 100644 --- a/drivers/iio/accel/da280.c +++ b/drivers/iio/accel/da280.c @@ -88,7 +88,6 @@ static int da280_read_raw(struct iio_dev *indio_dev, } static const struct iio_info da280_info = { - .driver_module = THIS_MODULE, .read_raw = da280_read_raw, }; diff --git a/drivers/iio/accel/da311.c b/drivers/iio/accel/da311.c index c0c1620d2a2f..aa64bca00955 100644 --- a/drivers/iio/accel/da311.c +++ b/drivers/iio/accel/da311.c @@ -212,7 +212,6 @@ static int da311_read_raw(struct iio_dev *indio_dev, } static const struct iio_info da311_info = { - .driver_module = THIS_MODULE, .read_raw = da311_read_raw, }; diff --git a/drivers/iio/accel/dmard06.c b/drivers/iio/accel/dmard06.c index 656ca8e1927f..d87e2c751475 100644 --- a/drivers/iio/accel/dmard06.c +++ b/drivers/iio/accel/dmard06.c @@ -124,7 +124,6 @@ static int dmard06_read_raw(struct iio_dev *indio_dev, } static const struct iio_info dmard06_info = { - .driver_module = THIS_MODULE, .read_raw = dmard06_read_raw, }; diff --git a/drivers/iio/accel/dmard09.c b/drivers/iio/accel/dmard09.c index d3a28f96565c..16a7e74f5e9a 100644 --- a/drivers/iio/accel/dmard09.c +++ b/drivers/iio/accel/dmard09.c @@ -93,7 +93,6 @@ static int dmard09_read_raw(struct iio_dev *indio_dev, } static const struct iio_info dmard09_info = { - .driver_module = THIS_MODULE, .read_raw = dmard09_read_raw, }; diff --git a/drivers/iio/accel/dmard10.c b/drivers/iio/accel/dmard10.c index b8736cc75656..9518ea00167e 100644 --- a/drivers/iio/accel/dmard10.c +++ b/drivers/iio/accel/dmard10.c @@ -170,7 +170,6 @@ static int dmard10_read_raw(struct iio_dev *indio_dev, } static const struct iio_info dmard10_info = { - .driver_module = THIS_MODULE, .read_raw = dmard10_read_raw, }; diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index 2238a26aba63..c066a3bdbff7 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -225,7 +225,6 @@ static int accel_3d_write_raw(struct iio_dev *indio_dev, } static const struct iio_info accel_3d_info = { - .driver_module = THIS_MODULE, .read_raw = &accel_3d_read_raw, .write_raw = &accel_3d_write_raw, }; diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c index 3f968c46e667..af53a1084ee5 100644 --- a/drivers/iio/accel/kxcjk-1013.c +++ b/drivers/iio/accel/kxcjk-1013.c @@ -34,6 +34,13 @@ #define KXCJK1013_DRV_NAME "kxcjk1013" #define KXCJK1013_IRQ_NAME "kxcjk1013_event" +#define KXTF9_REG_HP_XOUT_L 0x00 +#define KXTF9_REG_HP_XOUT_H 0x01 +#define KXTF9_REG_HP_YOUT_L 0x02 +#define KXTF9_REG_HP_YOUT_H 0x03 +#define KXTF9_REG_HP_ZOUT_L 0x04 +#define KXTF9_REG_HP_ZOUT_H 0x05 + #define KXCJK1013_REG_XOUT_L 0x06 /* * From low byte X axis register, all the other addresses of Y and Z can be @@ -48,17 +55,33 @@ #define KXCJK1013_REG_DCST_RESP 0x0C #define KXCJK1013_REG_WHO_AM_I 0x0F -#define KXCJK1013_REG_INT_SRC1 0x16 +#define KXTF9_REG_TILT_POS_CUR 0x10 +#define KXTF9_REG_TILT_POS_PREV 0x11 +#define KXTF9_REG_INT_SRC1 0x15 +#define KXCJK1013_REG_INT_SRC1 0x16 /* compatible, but called INT_SRC2 in KXTF9 ds */ #define KXCJK1013_REG_INT_SRC2 0x17 #define KXCJK1013_REG_STATUS_REG 0x18 #define KXCJK1013_REG_INT_REL 0x1A #define KXCJK1013_REG_CTRL1 0x1B -#define KXCJK1013_REG_CTRL2 0x1D +#define KXTF9_REG_CTRL2 0x1C +#define KXCJK1013_REG_CTRL2 0x1D /* mostly compatible, CTRL_REG3 in KTXF9 ds */ #define KXCJK1013_REG_INT_CTRL1 0x1E #define KXCJK1013_REG_INT_CTRL2 0x1F +#define KXTF9_REG_INT_CTRL3 0x20 #define KXCJK1013_REG_DATA_CTRL 0x21 +#define KXTF9_REG_TILT_TIMER 0x28 #define KXCJK1013_REG_WAKE_TIMER 0x29 +#define KXTF9_REG_TDT_TIMER 0x2B +#define KXTF9_REG_TDT_THRESH_H 0x2C +#define KXTF9_REG_TDT_THRESH_L 0x2D +#define KXTF9_REG_TDT_TAP_TIMER 0x2E +#define KXTF9_REG_TDT_TOTAL_TIMER 0x2F +#define KXTF9_REG_TDT_LATENCY_TIMER 0x30 +#define KXTF9_REG_TDT_WINDOW_TIMER 0x31 #define KXCJK1013_REG_SELF_TEST 0x3A +#define KXTF9_REG_WAKE_THRESH 0x5A +#define KXTF9_REG_TILT_ANGLE 0x5C +#define KXTF9_REG_HYST_SET 0x5F #define KXCJK1013_REG_WAKE_THRES 0x6A #define KXCJK1013_REG_CTRL1_BIT_PC1 BIT(7) @@ -67,14 +90,33 @@ #define KXCJK1013_REG_CTRL1_BIT_GSEL1 BIT(4) #define KXCJK1013_REG_CTRL1_BIT_GSEL0 BIT(3) #define KXCJK1013_REG_CTRL1_BIT_WUFE BIT(1) -#define KXCJK1013_REG_INT_REG1_BIT_IEA BIT(4) -#define KXCJK1013_REG_INT_REG1_BIT_IEN BIT(5) + +#define KXCJK1013_REG_INT_CTRL1_BIT_IEU BIT(2) /* KXTF9 */ +#define KXCJK1013_REG_INT_CTRL1_BIT_IEL BIT(3) +#define KXCJK1013_REG_INT_CTRL1_BIT_IEA BIT(4) +#define KXCJK1013_REG_INT_CTRL1_BIT_IEN BIT(5) + +#define KXTF9_REG_TILT_BIT_LEFT_EDGE BIT(5) +#define KXTF9_REG_TILT_BIT_RIGHT_EDGE BIT(4) +#define KXTF9_REG_TILT_BIT_LOWER_EDGE BIT(3) +#define KXTF9_REG_TILT_BIT_UPPER_EDGE BIT(2) +#define KXTF9_REG_TILT_BIT_FACE_DOWN BIT(1) +#define KXTF9_REG_TILT_BIT_FACE_UP BIT(0) #define KXCJK1013_DATA_MASK_12_BIT 0x0FFF #define KXCJK1013_MAX_STARTUP_TIME_US 100000 #define KXCJK1013_SLEEP_DELAY_MS 2000 +#define KXCJK1013_REG_INT_SRC1_BIT_TPS BIT(0) /* KXTF9 */ +#define KXCJK1013_REG_INT_SRC1_BIT_WUFS BIT(1) +#define KXCJK1013_REG_INT_SRC1_MASK_TDTS (BIT(2) | BIT(3)) /* KXTF9 */ +#define KXCJK1013_REG_INT_SRC1_TAP_NONE 0 +#define KXCJK1013_REG_INT_SRC1_TAP_SINGLE BIT(2) +#define KXCJK1013_REG_INT_SRC1_TAP_DOUBLE BIT(3) +#define KXCJK1013_REG_INT_SRC1_BIT_DRDY BIT(4) + +/* KXCJK: INT_SOURCE2: motion detect, KXTF9: INT_SRC_REG1: tap detect */ #define KXCJK1013_REG_INT_SRC2_BIT_ZP BIT(0) #define KXCJK1013_REG_INT_SRC2_BIT_ZN BIT(1) #define KXCJK1013_REG_INT_SRC2_BIT_YP BIT(2) @@ -88,6 +130,7 @@ enum kx_chipset { KXCJK1013, KXCJ91008, KXTJ21009, + KXTF9, KX_MAX_CHIPS /* this must be last */ }; @@ -128,15 +171,42 @@ enum kxcjk1013_range { KXCJK1013_RANGE_8G, }; -static const struct { +struct kx_odr_map { int val; int val2; int odr_bits; -} samp_freq_table[] = { {0, 781000, 0x08}, {1, 563000, 0x09}, - {3, 125000, 0x0A}, {6, 250000, 0x0B}, {12, 500000, 0}, - {25, 0, 0x01}, {50, 0, 0x02}, {100, 0, 0x03}, - {200, 0, 0x04}, {400, 0, 0x05}, {800, 0, 0x06}, - {1600, 0, 0x07} }; + int wuf_bits; +}; + +static const struct kx_odr_map samp_freq_table[] = { + { 0, 781000, 0x08, 0x00 }, + { 1, 563000, 0x09, 0x01 }, + { 3, 125000, 0x0A, 0x02 }, + { 6, 250000, 0x0B, 0x03 }, + { 12, 500000, 0x00, 0x04 }, + { 25, 0, 0x01, 0x05 }, + { 50, 0, 0x02, 0x06 }, + { 100, 0, 0x03, 0x06 }, + { 200, 0, 0x04, 0x06 }, + { 400, 0, 0x05, 0x06 }, + { 800, 0, 0x06, 0x06 }, + { 1600, 0, 0x07, 0x06 }, +}; + +static const char *const kxcjk1013_samp_freq_avail = + "0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600"; + +static const struct kx_odr_map kxtf9_samp_freq_table[] = { + { 25, 0, 0x01, 0x00 }, + { 50, 0, 0x02, 0x01 }, + { 100, 0, 0x03, 0x01 }, + { 200, 0, 0x04, 0x01 }, + { 400, 0, 0x05, 0x01 }, + { 800, 0, 0x06, 0x01 }, +}; + +static const char *const kxtf9_samp_freq_avail = + "25 50 100 200 400 800"; /* Refer to section 4 of the specification */ static const struct { @@ -188,6 +258,15 @@ static const struct { {0x06, 3000}, {0x07, 2000}, }, + /* KXTF9 */ + { + {0x01, 81000}, + {0x02, 41000}, + {0x03, 21000}, + {0x04, 11000}, + {0x05, 5100}, + {0x06, 2700}, + }, }; static const struct { @@ -198,23 +277,6 @@ static const struct { {19163, 1, 0}, {38326, 0, 1} }; -static const struct { - int val; - int val2; - int odr_bits; -} wake_odr_data_rate_table[] = { {0, 781000, 0x00}, - {1, 563000, 0x01}, - {3, 125000, 0x02}, - {6, 250000, 0x03}, - {12, 500000, 0x04}, - {25, 0, 0x05}, - {50, 0, 0x06}, - {100, 0, 0x06}, - {200, 0, 0x06}, - {400, 0, 0x06}, - {800, 0, 0x06}, - {1600, 0, 0x06} }; - static int kxcjk1013_set_mode(struct kxcjk1013_data *data, enum kxcjk1013_mode mode) { @@ -341,9 +403,9 @@ static int kxcjk1013_chip_init(struct kxcjk1013_data *data) } if (data->active_high_intr) - ret |= KXCJK1013_REG_INT_REG1_BIT_IEA; + ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEA; else - ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEA; + ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEA; ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, ret); @@ -401,7 +463,7 @@ static int kxcjk1013_set_power_state(struct kxcjk1013_data *data, bool on) static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data) { - int ret; + int waketh_reg, ret; ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_WAKE_TIMER, @@ -412,8 +474,9 @@ static int kxcjk1013_chip_update_thresholds(struct kxcjk1013_data *data) return ret; } - ret = i2c_smbus_write_byte_data(data->client, - KXCJK1013_REG_WAKE_THRES, + waketh_reg = data->chipset == KXTF9 ? + KXTF9_REG_WAKE_THRESH : KXCJK1013_REG_WAKE_THRES; + ret = i2c_smbus_write_byte_data(data->client, waketh_reg, data->wake_thres); if (ret < 0) { dev_err(&data->client->dev, "Error writing reg_wake_thres\n"); @@ -449,9 +512,9 @@ static int kxcjk1013_setup_any_motion_interrupt(struct kxcjk1013_data *data, } if (status) - ret |= KXCJK1013_REG_INT_REG1_BIT_IEN; + ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN; else - ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEN; + ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN; ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, ret); @@ -509,9 +572,9 @@ static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data, } if (status) - ret |= KXCJK1013_REG_INT_REG1_BIT_IEN; + ret |= KXCJK1013_REG_INT_CTRL1_BIT_IEN; else - ret &= ~KXCJK1013_REG_INT_REG1_BIT_IEN; + ret &= ~KXCJK1013_REG_INT_CTRL1_BIT_IEN; ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_INT_CTRL1, ret); @@ -547,28 +610,30 @@ static int kxcjk1013_setup_new_data_interrupt(struct kxcjk1013_data *data, return 0; } -static int kxcjk1013_convert_freq_to_bit(int val, int val2) +static const struct kx_odr_map *kxcjk1013_find_odr_value( + const struct kx_odr_map *map, size_t map_size, int val, int val2) { int i; - for (i = 0; i < ARRAY_SIZE(samp_freq_table); ++i) { - if (samp_freq_table[i].val == val && - samp_freq_table[i].val2 == val2) { - return samp_freq_table[i].odr_bits; - } + for (i = 0; i < map_size; ++i) { + if (map[i].val == val && map[i].val2 == val2) + return &map[i]; } - return -EINVAL; + return ERR_PTR(-EINVAL); } -static int kxcjk1013_convert_wake_odr_to_bit(int val, int val2) +static int kxcjk1013_convert_odr_value(const struct kx_odr_map *map, + size_t map_size, int odr_bits, + int *val, int *val2) { int i; - for (i = 0; i < ARRAY_SIZE(wake_odr_data_rate_table); ++i) { - if (wake_odr_data_rate_table[i].val == val && - wake_odr_data_rate_table[i].val2 == val2) { - return wake_odr_data_rate_table[i].odr_bits; + for (i = 0; i < map_size; ++i) { + if (map[i].odr_bits == odr_bits) { + *val = map[i].val; + *val2 = map[i].val2; + return IIO_VAL_INT_PLUS_MICRO; } } @@ -578,16 +643,24 @@ static int kxcjk1013_convert_wake_odr_to_bit(int val, int val2) static int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2) { int ret; - int odr_bits; enum kxcjk1013_mode store_mode; + const struct kx_odr_map *odr_setting; ret = kxcjk1013_get_mode(data, &store_mode); if (ret < 0) return ret; - odr_bits = kxcjk1013_convert_freq_to_bit(val, val2); - if (odr_bits < 0) - return odr_bits; + if (data->chipset == KXTF9) + odr_setting = kxcjk1013_find_odr_value(kxtf9_samp_freq_table, + ARRAY_SIZE(kxtf9_samp_freq_table), + val, val2); + else + odr_setting = kxcjk1013_find_odr_value(samp_freq_table, + ARRAY_SIZE(samp_freq_table), + val, val2); + + if (IS_ERR(odr_setting)) + return PTR_ERR(odr_setting); /* To change ODR, the chip must be set to STANDBY as per spec */ ret = kxcjk1013_set_mode(data, STANDBY); @@ -595,20 +668,16 @@ static int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2) return ret; ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_DATA_CTRL, - odr_bits); + odr_setting->odr_bits); if (ret < 0) { dev_err(&data->client->dev, "Error writing data_ctrl\n"); return ret; } - data->odr_bits = odr_bits; - - odr_bits = kxcjk1013_convert_wake_odr_to_bit(val, val2); - if (odr_bits < 0) - return odr_bits; + data->odr_bits = odr_setting->odr_bits; ret = i2c_smbus_write_byte_data(data->client, KXCJK1013_REG_CTRL2, - odr_bits); + odr_setting->wuf_bits); if (ret < 0) { dev_err(&data->client->dev, "Error writing reg_ctrl2\n"); return ret; @@ -625,17 +694,14 @@ static int kxcjk1013_set_odr(struct kxcjk1013_data *data, int val, int val2) static int kxcjk1013_get_odr(struct kxcjk1013_data *data, int *val, int *val2) { - int i; - - for (i = 0; i < ARRAY_SIZE(samp_freq_table); ++i) { - if (samp_freq_table[i].odr_bits == data->odr_bits) { - *val = samp_freq_table[i].val; - *val2 = samp_freq_table[i].val2; - return IIO_VAL_INT_PLUS_MICRO; - } - } - - return -EINVAL; + if (data->chipset == KXTF9) + return kxcjk1013_convert_odr_value(kxtf9_samp_freq_table, + ARRAY_SIZE(kxtf9_samp_freq_table), + data->odr_bits, val, val2); + else + return kxcjk1013_convert_odr_value(samp_freq_table, + ARRAY_SIZE(samp_freq_table), + data->odr_bits, val, val2); } static int kxcjk1013_get_acc_reg(struct kxcjk1013_data *data, int axis) @@ -886,13 +952,29 @@ static int kxcjk1013_buffer_postdisable(struct iio_dev *indio_dev) return kxcjk1013_set_power_state(data, false); } -static IIO_CONST_ATTR_SAMP_FREQ_AVAIL( - "0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600"); +static ssize_t kxcjk1013_get_samp_freq_avail(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct kxcjk1013_data *data = iio_priv(indio_dev); + const char *str; + + if (data->chipset == KXTF9) + str = kxtf9_samp_freq_avail; + else + str = kxcjk1013_samp_freq_avail; + + return sprintf(buf, "%s\n", str); +} + +static IIO_DEVICE_ATTR(in_accel_sampling_frequency_available, S_IRUGO, + kxcjk1013_get_samp_freq_avail, NULL, 0); static IIO_CONST_ATTR(in_accel_scale_available, "0.009582 0.019163 0.038326"); static struct attribute *kxcjk1013_attributes[] = { - &iio_const_attr_sampling_frequency_available.dev_attr.attr, + &iio_dev_attr_in_accel_sampling_frequency_available.dev_attr.attr, &iio_const_attr_in_accel_scale_available.dev_attr.attr, NULL, }; @@ -950,7 +1032,6 @@ static const struct iio_info kxcjk1013_info = { .write_event_value = kxcjk1013_write_event, .write_event_config = kxcjk1013_write_event_config, .read_event_config = kxcjk1013_read_event_config, - .driver_module = THIS_MODULE, }; static const unsigned long kxcjk1013_scan_masks[] = {0x7, 0}; @@ -1036,9 +1117,74 @@ static int kxcjk1013_data_rdy_trigger_set_state(struct iio_trigger *trig, static const struct iio_trigger_ops kxcjk1013_trigger_ops = { .set_trigger_state = kxcjk1013_data_rdy_trigger_set_state, .try_reenable = kxcjk1013_trig_try_reen, - .owner = THIS_MODULE, }; +static void kxcjk1013_report_motion_event(struct iio_dev *indio_dev) +{ + struct kxcjk1013_data *data = iio_priv(indio_dev); + + int ret = i2c_smbus_read_byte_data(data->client, + KXCJK1013_REG_INT_SRC2); + if (ret < 0) { + dev_err(&data->client->dev, "Error reading reg_int_src2\n"); + return; + } + + if (ret & KXCJK1013_REG_INT_SRC2_BIT_XN) + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, + 0, + IIO_MOD_X, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_FALLING), + data->timestamp); + + if (ret & KXCJK1013_REG_INT_SRC2_BIT_XP) + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, + 0, + IIO_MOD_X, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_RISING), + data->timestamp); + + if (ret & KXCJK1013_REG_INT_SRC2_BIT_YN) + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, + 0, + IIO_MOD_Y, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_FALLING), + data->timestamp); + + if (ret & KXCJK1013_REG_INT_SRC2_BIT_YP) + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, + 0, + IIO_MOD_Y, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_RISING), + data->timestamp); + + if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZN) + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, + 0, + IIO_MOD_Z, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_FALLING), + data->timestamp); + + if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZP) + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, + 0, + IIO_MOD_Z, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_RISING), + data->timestamp); +} + static irqreturn_t kxcjk1013_event_handler(int irq, void *private) { struct iio_dev *indio_dev = private; @@ -1051,66 +1197,17 @@ static irqreturn_t kxcjk1013_event_handler(int irq, void *private) goto ack_intr; } - if (ret & 0x02) { - ret = i2c_smbus_read_byte_data(data->client, - KXCJK1013_REG_INT_SRC2); - if (ret < 0) { - dev_err(&data->client->dev, - "Error reading reg_int_src2\n"); - goto ack_intr; - } - - if (ret & KXCJK1013_REG_INT_SRC2_BIT_XN) - iio_push_event(indio_dev, - IIO_MOD_EVENT_CODE(IIO_ACCEL, - 0, - IIO_MOD_X, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_FALLING), - data->timestamp); - if (ret & KXCJK1013_REG_INT_SRC2_BIT_XP) - iio_push_event(indio_dev, - IIO_MOD_EVENT_CODE(IIO_ACCEL, - 0, - IIO_MOD_X, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_RISING), - data->timestamp); - - - if (ret & KXCJK1013_REG_INT_SRC2_BIT_YN) - iio_push_event(indio_dev, - IIO_MOD_EVENT_CODE(IIO_ACCEL, - 0, - IIO_MOD_Y, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_FALLING), - data->timestamp); - if (ret & KXCJK1013_REG_INT_SRC2_BIT_YP) - iio_push_event(indio_dev, - IIO_MOD_EVENT_CODE(IIO_ACCEL, - 0, - IIO_MOD_Y, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_RISING), - data->timestamp); - - if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZN) - iio_push_event(indio_dev, - IIO_MOD_EVENT_CODE(IIO_ACCEL, - 0, - IIO_MOD_Z, - IIO_EV_TYPE_THRESH, - IIO_EV_DIR_FALLING), - data->timestamp); - if (ret & KXCJK1013_REG_INT_SRC2_BIT_ZP) + if (ret & KXCJK1013_REG_INT_SRC1_BIT_WUFS) { + if (data->chipset == KXTF9) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, - IIO_MOD_Z, + IIO_MOD_X_AND_Y_AND_Z, IIO_EV_TYPE_THRESH, IIO_EV_DIR_RISING), data->timestamp); + else + kxcjk1013_report_motion_event(indio_dev); } ack_intr: @@ -1403,6 +1500,7 @@ static const struct i2c_device_id kxcjk1013_id[] = { {"kxcjk1013", KXCJK1013}, {"kxcj91008", KXCJ91008}, {"kxtj21009", KXTJ21009}, + {"kxtf9", KXTF9}, {"SMO8500", KXCJ91008}, {} }; diff --git a/drivers/iio/accel/kxsd9-i2c.c b/drivers/iio/accel/kxsd9-i2c.c index 95e20855d2ef..98fbb628d5bd 100644 --- a/drivers/iio/accel/kxsd9-i2c.c +++ b/drivers/iio/accel/kxsd9-i2c.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/device.h> #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c index 9af60ac70738..0c0df4fce420 100644 --- a/drivers/iio/accel/kxsd9.c +++ b/drivers/iio/accel/kxsd9.c @@ -390,7 +390,6 @@ static const struct iio_info kxsd9_info = { .read_raw = &kxsd9_read_raw, .write_raw = &kxsd9_write_raw, .attrs = &kxsd9_attribute_group, - .driver_module = THIS_MODULE, }; /* Four channels apart from timestamp, scan mask = 0x0f */ diff --git a/drivers/iio/accel/kxsd9.h b/drivers/iio/accel/kxsd9.h index 7e8a28168310..5e3ca212f5be 100644 --- a/drivers/iio/accel/kxsd9.h +++ b/drivers/iio/accel/kxsd9.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/device.h> #include <linux/kernel.h> diff --git a/drivers/iio/accel/mc3230.c b/drivers/iio/accel/mc3230.c index 4ea2ff623a6d..8b11604eed63 100644 --- a/drivers/iio/accel/mc3230.c +++ b/drivers/iio/accel/mc3230.c @@ -107,7 +107,6 @@ static int mc3230_read_raw(struct iio_dev *indio_dev, } static const struct iio_info mc3230_info = { - .driver_module = THIS_MODULE, .read_raw = mc3230_read_raw, }; diff --git a/drivers/iio/accel/mma7455_core.c b/drivers/iio/accel/mma7455_core.c index 6551085bedd7..da0ceaac46b5 100644 --- a/drivers/iio/accel/mma7455_core.c +++ b/drivers/iio/accel/mma7455_core.c @@ -199,7 +199,6 @@ static const struct iio_info mma7455_info = { .attrs = &mma7455_group, .read_raw = mma7455_read_raw, .write_raw = mma7455_write_raw, - .driver_module = THIS_MODULE, }; #define MMA7455_CHANNEL(axis, idx) { \ diff --git a/drivers/iio/accel/mma7660.c b/drivers/iio/accel/mma7660.c index 42fa57e41bdd..f1a13724efb3 100644 --- a/drivers/iio/accel/mma7660.c +++ b/drivers/iio/accel/mma7660.c @@ -168,7 +168,6 @@ static int mma7660_read_raw(struct iio_dev *indio_dev, } static const struct iio_info mma7660_info = { - .driver_module = THIS_MODULE, .read_raw = mma7660_read_raw, .attrs = &mma7660_attribute_group, }; diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c index eb6e3dc789b2..bfd4bc806fc2 100644 --- a/drivers/iio/accel/mma8452.c +++ b/drivers/iio/accel/mma8452.c @@ -59,7 +59,9 @@ #define MMA8452_FF_MT_THS 0x17 #define MMA8452_FF_MT_THS_MASK 0x7f #define MMA8452_FF_MT_COUNT 0x18 +#define MMA8452_FF_MT_CHAN_SHIFT 3 #define MMA8452_TRANSIENT_CFG 0x1d +#define MMA8452_TRANSIENT_CFG_CHAN(chan) BIT(chan + 1) #define MMA8452_TRANSIENT_CFG_HPF_BYP BIT(0) #define MMA8452_TRANSIENT_CFG_ELE BIT(4) #define MMA8452_TRANSIENT_SRC 0x1e @@ -69,6 +71,7 @@ #define MMA8452_TRANSIENT_THS 0x1f #define MMA8452_TRANSIENT_THS_MASK GENMASK(6, 0) #define MMA8452_TRANSIENT_COUNT 0x20 +#define MMA8452_TRANSIENT_CHAN_SHIFT 1 #define MMA8452_CTRL_REG1 0x2a #define MMA8452_CTRL_ACTIVE BIT(0) #define MMA8452_CTRL_DR_MASK GENMASK(5, 3) @@ -107,6 +110,51 @@ struct mma8452_data { const struct mma_chip_info *chip_info; }; + /** + * struct mma8452_event_regs - chip specific data related to events + * @ev_cfg: event config register address + * @ev_cfg_ele: latch bit in event config register + * @ev_cfg_chan_shift: number of the bit to enable events in X + * direction; in event config register + * @ev_src: event source register address + * @ev_ths: event threshold register address + * @ev_ths_mask: mask for the threshold value + * @ev_count: event count (period) register address + * + * Since not all chips supported by the driver support comparing high pass + * filtered data for events (interrupts), different interrupt sources are + * used for different chips and the relevant registers are included here. + */ +struct mma8452_event_regs { + u8 ev_cfg; + u8 ev_cfg_ele; + u8 ev_cfg_chan_shift; + u8 ev_src; + u8 ev_ths; + u8 ev_ths_mask; + u8 ev_count; +}; + +static const struct mma8452_event_regs ev_regs_accel_falling = { + .ev_cfg = MMA8452_FF_MT_CFG, + .ev_cfg_ele = MMA8452_FF_MT_CFG_ELE, + .ev_cfg_chan_shift = MMA8452_FF_MT_CHAN_SHIFT, + .ev_src = MMA8452_FF_MT_SRC, + .ev_ths = MMA8452_FF_MT_THS, + .ev_ths_mask = MMA8452_FF_MT_THS_MASK, + .ev_count = MMA8452_FF_MT_COUNT +}; + +static const struct mma8452_event_regs ev_regs_accel_rising = { + .ev_cfg = MMA8452_TRANSIENT_CFG, + .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, + .ev_cfg_chan_shift = MMA8452_TRANSIENT_CHAN_SHIFT, + .ev_src = MMA8452_TRANSIENT_SRC, + .ev_ths = MMA8452_TRANSIENT_THS, + .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, + .ev_count = MMA8452_TRANSIENT_COUNT, +}; + /** * struct mma_chip_info - chip specific data * @chip_id: WHO_AM_I register's value @@ -116,40 +164,16 @@ struct mma8452_data { * @mma_scales: scale factors for converting register values * to m/s^2; 3 modes: 2g, 4g, 8g; 2 integers * per mode: m/s^2 and micro m/s^2 - * @ev_cfg: event config register address - * @ev_cfg_ele: latch bit in event config register - * @ev_cfg_chan_shift: number of the bit to enable events in X - * direction; in event config register - * @ev_src: event source register address - * @ev_src_xe: bit in event source register that indicates - * an event in X direction - * @ev_src_ye: bit in event source register that indicates - * an event in Y direction - * @ev_src_ze: bit in event source register that indicates - * an event in Z direction - * @ev_ths: event threshold register address - * @ev_ths_mask: mask for the threshold value - * @ev_count: event count (period) register address - * - * Since not all chips supported by the driver support comparing high pass - * filtered data for events (interrupts), different interrupt sources are - * used for different chips and the relevant registers are included here. + * @all_events: all events supported by this chip + * @enabled_events: event flags enabled and handled by this driver */ struct mma_chip_info { u8 chip_id; const struct iio_chan_spec *channels; int num_channels; const int mma_scales[3][2]; - u8 ev_cfg; - u8 ev_cfg_ele; - u8 ev_cfg_chan_shift; - u8 ev_src; - u8 ev_src_xe; - u8 ev_src_ye; - u8 ev_src_ze; - u8 ev_ths; - u8 ev_ths_mask; - u8 ev_count; + int all_events; + int enabled_events; }; enum { @@ -394,11 +418,11 @@ static ssize_t mma8452_show_os_ratio_avail(struct device *dev, } static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(mma8452_show_samp_freq_avail); -static IIO_DEVICE_ATTR(in_accel_scale_available, S_IRUGO, +static IIO_DEVICE_ATTR(in_accel_scale_available, 0444, mma8452_show_scale_avail, NULL, 0); static IIO_DEVICE_ATTR(in_accel_filter_high_pass_3db_frequency_available, - S_IRUGO, mma8452_show_hp_cutoff_avail, NULL, 0); -static IIO_DEVICE_ATTR(in_accel_oversampling_ratio_available, S_IRUGO, + 0444, mma8452_show_hp_cutoff_avail, NULL, 0); +static IIO_DEVICE_ATTR(in_accel_oversampling_ratio_available, 0444, mma8452_show_os_ratio_avail, NULL, 0); static int mma8452_get_samp_freq_index(struct mma8452_data *data, @@ -602,9 +626,8 @@ static int mma8452_set_power_mode(struct mma8452_data *data, u8 mode) static int mma8452_freefall_mode_enabled(struct mma8452_data *data) { int val; - const struct mma_chip_info *chip = data->chip_info; - val = i2c_smbus_read_byte_data(data->client, chip->ev_cfg); + val = i2c_smbus_read_byte_data(data->client, MMA8452_FF_MT_CFG); if (val < 0) return val; @@ -614,29 +637,28 @@ static int mma8452_freefall_mode_enabled(struct mma8452_data *data) static int mma8452_set_freefall_mode(struct mma8452_data *data, bool state) { int val; - const struct mma_chip_info *chip = data->chip_info; if ((state && mma8452_freefall_mode_enabled(data)) || (!state && !(mma8452_freefall_mode_enabled(data)))) return 0; - val = i2c_smbus_read_byte_data(data->client, chip->ev_cfg); + val = i2c_smbus_read_byte_data(data->client, MMA8452_FF_MT_CFG); if (val < 0) return val; if (state) { - val |= BIT(idx_x + chip->ev_cfg_chan_shift); - val |= BIT(idx_y + chip->ev_cfg_chan_shift); - val |= BIT(idx_z + chip->ev_cfg_chan_shift); + val |= BIT(idx_x + MMA8452_FF_MT_CHAN_SHIFT); + val |= BIT(idx_y + MMA8452_FF_MT_CHAN_SHIFT); + val |= BIT(idx_z + MMA8452_FF_MT_CHAN_SHIFT); val &= ~MMA8452_FF_MT_CFG_OAE; } else { - val &= ~BIT(idx_x + chip->ev_cfg_chan_shift); - val &= ~BIT(idx_y + chip->ev_cfg_chan_shift); - val &= ~BIT(idx_z + chip->ev_cfg_chan_shift); + val &= ~BIT(idx_x + MMA8452_FF_MT_CHAN_SHIFT); + val &= ~BIT(idx_y + MMA8452_FF_MT_CHAN_SHIFT); + val &= ~BIT(idx_z + MMA8452_FF_MT_CHAN_SHIFT); val |= MMA8452_FF_MT_CFG_OAE; } - return mma8452_change_config(data, chip->ev_cfg, val); + return mma8452_change_config(data, MMA8452_FF_MT_CFG, val); } static int mma8452_set_hp_filter_frequency(struct mma8452_data *data, @@ -740,7 +762,37 @@ static int mma8452_write_raw(struct iio_dev *indio_dev, return ret; } -static int mma8452_read_thresh(struct iio_dev *indio_dev, +static int mma8452_get_event_regs(struct mma8452_data *data, + const struct iio_chan_spec *chan, enum iio_event_direction dir, + const struct mma8452_event_regs **ev_reg) +{ + if (!chan) + return -EINVAL; + + switch (chan->type) { + case IIO_ACCEL: + switch (dir) { + case IIO_EV_DIR_RISING: + if ((data->chip_info->all_events + & MMA8452_INT_TRANS) && + (data->chip_info->enabled_events + & MMA8452_INT_TRANS)) + *ev_reg = &ev_regs_accel_rising; + else + *ev_reg = &ev_regs_accel_falling; + return 0; + case IIO_EV_DIR_FALLING: + *ev_reg = &ev_regs_accel_falling; + return 0; + default: + return -EINVAL; + } + default: + return -EINVAL; + } +} + +static int mma8452_read_event_value(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, @@ -749,21 +801,24 @@ static int mma8452_read_thresh(struct iio_dev *indio_dev, { struct mma8452_data *data = iio_priv(indio_dev); int ret, us, power_mode; + const struct mma8452_event_regs *ev_regs; + + ret = mma8452_get_event_regs(data, chan, dir, &ev_regs); + if (ret) + return ret; switch (info) { case IIO_EV_INFO_VALUE: - ret = i2c_smbus_read_byte_data(data->client, - data->chip_info->ev_ths); + ret = i2c_smbus_read_byte_data(data->client, ev_regs->ev_ths); if (ret < 0) return ret; - *val = ret & data->chip_info->ev_ths_mask; + *val = ret & ev_regs->ev_ths_mask; return IIO_VAL_INT; case IIO_EV_INFO_PERIOD: - ret = i2c_smbus_read_byte_data(data->client, - data->chip_info->ev_count); + ret = i2c_smbus_read_byte_data(data->client, ev_regs->ev_count); if (ret < 0) return ret; @@ -800,7 +855,7 @@ static int mma8452_read_thresh(struct iio_dev *indio_dev, } } -static int mma8452_write_thresh(struct iio_dev *indio_dev, +static int mma8452_write_event_value(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, enum iio_event_type type, enum iio_event_direction dir, @@ -809,14 +864,18 @@ static int mma8452_write_thresh(struct iio_dev *indio_dev, { struct mma8452_data *data = iio_priv(indio_dev); int ret, reg, steps; + const struct mma8452_event_regs *ev_regs; + + ret = mma8452_get_event_regs(data, chan, dir, &ev_regs); + if (ret) + return ret; switch (info) { case IIO_EV_INFO_VALUE: - if (val < 0 || val > MMA8452_TRANSIENT_THS_MASK) + if (val < 0 || val > ev_regs->ev_ths_mask) return -EINVAL; - return mma8452_change_config(data, data->chip_info->ev_ths, - val); + return mma8452_change_config(data, ev_regs->ev_ths, val); case IIO_EV_INFO_PERIOD: ret = mma8452_get_power_mode(data); @@ -830,8 +889,7 @@ static int mma8452_write_thresh(struct iio_dev *indio_dev, if (steps < 0 || steps > 0xff) return -EINVAL; - return mma8452_change_config(data, data->chip_info->ev_count, - steps); + return mma8452_change_config(data, ev_regs->ev_count, steps); case IIO_EV_INFO_HIGH_PASS_FILTER_3DB: reg = i2c_smbus_read_byte_data(data->client, @@ -861,23 +919,24 @@ static int mma8452_read_event_config(struct iio_dev *indio_dev, enum iio_event_direction dir) { struct mma8452_data *data = iio_priv(indio_dev); - const struct mma_chip_info *chip = data->chip_info; int ret; + const struct mma8452_event_regs *ev_regs; + + ret = mma8452_get_event_regs(data, chan, dir, &ev_regs); + if (ret) + return ret; switch (dir) { case IIO_EV_DIR_FALLING: return mma8452_freefall_mode_enabled(data); case IIO_EV_DIR_RISING: - if (mma8452_freefall_mode_enabled(data)) - return 0; - ret = i2c_smbus_read_byte_data(data->client, - data->chip_info->ev_cfg); + ev_regs->ev_cfg); if (ret < 0) return ret; return !!(ret & BIT(chan->scan_index + - chip->ev_cfg_chan_shift)); + ev_regs->ev_cfg_chan_shift)); default: return -EINVAL; } @@ -890,8 +949,12 @@ static int mma8452_write_event_config(struct iio_dev *indio_dev, int state) { struct mma8452_data *data = iio_priv(indio_dev); - const struct mma_chip_info *chip = data->chip_info; int val, ret; + const struct mma8452_event_regs *ev_regs; + + ret = mma8452_get_event_regs(data, chan, dir, &ev_regs); + if (ret) + return ret; ret = mma8452_set_runtime_pm_state(data->client, state); if (ret) @@ -901,28 +964,30 @@ static int mma8452_write_event_config(struct iio_dev *indio_dev, case IIO_EV_DIR_FALLING: return mma8452_set_freefall_mode(data, state); case IIO_EV_DIR_RISING: - val = i2c_smbus_read_byte_data(data->client, chip->ev_cfg); + val = i2c_smbus_read_byte_data(data->client, ev_regs->ev_cfg); if (val < 0) return val; if (state) { if (mma8452_freefall_mode_enabled(data)) { - val &= ~BIT(idx_x + chip->ev_cfg_chan_shift); - val &= ~BIT(idx_y + chip->ev_cfg_chan_shift); - val &= ~BIT(idx_z + chip->ev_cfg_chan_shift); + val &= ~BIT(idx_x + ev_regs->ev_cfg_chan_shift); + val &= ~BIT(idx_y + ev_regs->ev_cfg_chan_shift); + val &= ~BIT(idx_z + ev_regs->ev_cfg_chan_shift); val |= MMA8452_FF_MT_CFG_OAE; } - val |= BIT(chan->scan_index + chip->ev_cfg_chan_shift); + val |= BIT(chan->scan_index + + ev_regs->ev_cfg_chan_shift); } else { if (mma8452_freefall_mode_enabled(data)) return 0; - val &= ~BIT(chan->scan_index + chip->ev_cfg_chan_shift); + val &= ~BIT(chan->scan_index + + ev_regs->ev_cfg_chan_shift); } - val |= chip->ev_cfg_ele; + val |= ev_regs->ev_cfg_ele; - return mma8452_change_config(data, chip->ev_cfg, val); + return mma8452_change_config(data, ev_regs->ev_cfg, val); default: return -EINVAL; } @@ -934,35 +999,25 @@ static void mma8452_transient_interrupt(struct iio_dev *indio_dev) s64 ts = iio_get_time_ns(indio_dev); int src; - src = i2c_smbus_read_byte_data(data->client, data->chip_info->ev_src); + src = i2c_smbus_read_byte_data(data->client, MMA8452_TRANSIENT_SRC); if (src < 0) return; - if (mma8452_freefall_mode_enabled(data)) { - iio_push_event(indio_dev, - IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, - IIO_MOD_X_AND_Y_AND_Z, - IIO_EV_TYPE_MAG, - IIO_EV_DIR_FALLING), - ts); - return; - } - - if (src & data->chip_info->ev_src_xe) + if (src & MMA8452_TRANSIENT_SRC_XTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_X, IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); - if (src & data->chip_info->ev_src_ye) + if (src & MMA8452_TRANSIENT_SRC_YTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Y, IIO_EV_TYPE_MAG, IIO_EV_DIR_RISING), ts); - if (src & data->chip_info->ev_src_ze) + if (src & MMA8452_TRANSIENT_SRC_ZTRANSE) iio_push_event(indio_dev, IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, IIO_MOD_Z, IIO_EV_TYPE_MAG, @@ -974,7 +1029,6 @@ static irqreturn_t mma8452_interrupt(int irq, void *p) { struct iio_dev *indio_dev = p; struct mma8452_data *data = iio_priv(indio_dev); - const struct mma_chip_info *chip = data->chip_info; int ret = IRQ_NONE; int src; @@ -982,15 +1036,29 @@ static irqreturn_t mma8452_interrupt(int irq, void *p) if (src < 0) return IRQ_NONE; + if (!(src & data->chip_info->enabled_events)) + return IRQ_NONE; + if (src & MMA8452_INT_DRDY) { iio_trigger_poll_chained(indio_dev->trig); ret = IRQ_HANDLED; } - if ((src & MMA8452_INT_TRANS && - chip->ev_src == MMA8452_TRANSIENT_SRC) || - (src & MMA8452_INT_FF_MT && - chip->ev_src == MMA8452_FF_MT_SRC)) { + if (src & MMA8452_INT_FF_MT) { + if (mma8452_freefall_mode_enabled(data)) { + s64 ts = iio_get_time_ns(indio_dev); + + iio_push_event(indio_dev, + IIO_MOD_EVENT_CODE(IIO_ACCEL, 0, + IIO_MOD_X_AND_Y_AND_Z, + IIO_EV_TYPE_MAG, + IIO_EV_DIR_FALLING), + ts); + } + ret = IRQ_HANDLED; + } + + if (src & MMA8452_INT_TRANS) { mma8452_transient_interrupt(indio_dev); ret = IRQ_HANDLED; } @@ -1020,8 +1088,8 @@ done: } static int mma8452_reg_access_dbg(struct iio_dev *indio_dev, - unsigned reg, unsigned writeval, - unsigned *readval) + unsigned int reg, unsigned int writeval, + unsigned int *readval) { int ret; struct mma8452_data *data = iio_priv(indio_dev); @@ -1222,96 +1290,87 @@ static const struct mma_chip_info mma_chip_info_table[] = { * g * N * 1000000 / 2048 for N = 2, 4, 8 and g=9.80665 */ .mma_scales = { {0, 2394}, {0, 4788}, {0, 9577} }, - .ev_cfg = MMA8452_TRANSIENT_CFG, - .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, - .ev_cfg_chan_shift = 1, - .ev_src = MMA8452_TRANSIENT_SRC, - .ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE, - .ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE, - .ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE, - .ev_ths = MMA8452_TRANSIENT_THS, - .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, - .ev_count = MMA8452_TRANSIENT_COUNT, + /* + * Although we enable the interrupt sources once and for + * all here the event detection itself is not enabled until + * userspace asks for it by mma8452_write_event_config() + */ + .all_events = MMA8452_INT_DRDY | + MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, + .enabled_events = MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, }, [mma8452] = { .chip_id = MMA8452_DEVICE_ID, .channels = mma8452_channels, .num_channels = ARRAY_SIZE(mma8452_channels), .mma_scales = { {0, 9577}, {0, 19154}, {0, 38307} }, - .ev_cfg = MMA8452_TRANSIENT_CFG, - .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, - .ev_cfg_chan_shift = 1, - .ev_src = MMA8452_TRANSIENT_SRC, - .ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE, - .ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE, - .ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE, - .ev_ths = MMA8452_TRANSIENT_THS, - .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, - .ev_count = MMA8452_TRANSIENT_COUNT, + /* + * Although we enable the interrupt sources once and for + * all here the event detection itself is not enabled until + * userspace asks for it by mma8452_write_event_config() + */ + .all_events = MMA8452_INT_DRDY | + MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, + .enabled_events = MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, }, [mma8453] = { .chip_id = MMA8453_DEVICE_ID, .channels = mma8453_channels, .num_channels = ARRAY_SIZE(mma8453_channels), .mma_scales = { {0, 38307}, {0, 76614}, {0, 153228} }, - .ev_cfg = MMA8452_TRANSIENT_CFG, - .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, - .ev_cfg_chan_shift = 1, - .ev_src = MMA8452_TRANSIENT_SRC, - .ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE, - .ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE, - .ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE, - .ev_ths = MMA8452_TRANSIENT_THS, - .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, - .ev_count = MMA8452_TRANSIENT_COUNT, + /* + * Although we enable the interrupt sources once and for + * all here the event detection itself is not enabled until + * userspace asks for it by mma8452_write_event_config() + */ + .all_events = MMA8452_INT_DRDY | + MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, + .enabled_events = MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, }, [mma8652] = { .chip_id = MMA8652_DEVICE_ID, .channels = mma8652_channels, .num_channels = ARRAY_SIZE(mma8652_channels), .mma_scales = { {0, 9577}, {0, 19154}, {0, 38307} }, - .ev_cfg = MMA8452_FF_MT_CFG, - .ev_cfg_ele = MMA8452_FF_MT_CFG_ELE, - .ev_cfg_chan_shift = 3, - .ev_src = MMA8452_FF_MT_SRC, - .ev_src_xe = MMA8452_FF_MT_SRC_XHE, - .ev_src_ye = MMA8452_FF_MT_SRC_YHE, - .ev_src_ze = MMA8452_FF_MT_SRC_ZHE, - .ev_ths = MMA8452_FF_MT_THS, - .ev_ths_mask = MMA8452_FF_MT_THS_MASK, - .ev_count = MMA8452_FF_MT_COUNT, + .all_events = MMA8452_INT_DRDY | + MMA8452_INT_FF_MT, + .enabled_events = MMA8452_INT_FF_MT, }, [mma8653] = { .chip_id = MMA8653_DEVICE_ID, .channels = mma8653_channels, .num_channels = ARRAY_SIZE(mma8653_channels), .mma_scales = { {0, 38307}, {0, 76614}, {0, 153228} }, - .ev_cfg = MMA8452_FF_MT_CFG, - .ev_cfg_ele = MMA8452_FF_MT_CFG_ELE, - .ev_cfg_chan_shift = 3, - .ev_src = MMA8452_FF_MT_SRC, - .ev_src_xe = MMA8452_FF_MT_SRC_XHE, - .ev_src_ye = MMA8452_FF_MT_SRC_YHE, - .ev_src_ze = MMA8452_FF_MT_SRC_ZHE, - .ev_ths = MMA8452_FF_MT_THS, - .ev_ths_mask = MMA8452_FF_MT_THS_MASK, - .ev_count = MMA8452_FF_MT_COUNT, + /* + * Although we enable the interrupt sources once and for + * all here the event detection itself is not enabled until + * userspace asks for it by mma8452_write_event_config() + */ + .all_events = MMA8452_INT_DRDY | + MMA8452_INT_FF_MT, + .enabled_events = MMA8452_INT_FF_MT, }, [fxls8471] = { .chip_id = FXLS8471_DEVICE_ID, .channels = mma8451_channels, .num_channels = ARRAY_SIZE(mma8451_channels), .mma_scales = { {0, 2394}, {0, 4788}, {0, 9577} }, - .ev_cfg = MMA8452_TRANSIENT_CFG, - .ev_cfg_ele = MMA8452_TRANSIENT_CFG_ELE, - .ev_cfg_chan_shift = 1, - .ev_src = MMA8452_TRANSIENT_SRC, - .ev_src_xe = MMA8452_TRANSIENT_SRC_XTRANSE, - .ev_src_ye = MMA8452_TRANSIENT_SRC_YTRANSE, - .ev_src_ze = MMA8452_TRANSIENT_SRC_ZTRANSE, - .ev_ths = MMA8452_TRANSIENT_THS, - .ev_ths_mask = MMA8452_TRANSIENT_THS_MASK, - .ev_count = MMA8452_TRANSIENT_COUNT, + /* + * Although we enable the interrupt sources once and for + * all here the event detection itself is not enabled until + * userspace asks for it by mma8452_write_event_config() + */ + .all_events = MMA8452_INT_DRDY | + MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, + .enabled_events = MMA8452_INT_TRANS | + MMA8452_INT_FF_MT, }, }; @@ -1332,12 +1391,11 @@ static const struct iio_info mma8452_info = { .read_raw = &mma8452_read_raw, .write_raw = &mma8452_write_raw, .event_attrs = &mma8452_event_attribute_group, - .read_event_value = &mma8452_read_thresh, - .write_event_value = &mma8452_write_thresh, + .read_event_value = &mma8452_read_event_value, + .write_event_value = &mma8452_write_event_value, .read_event_config = &mma8452_read_event_config, .write_event_config = &mma8452_write_event_config, .debugfs_reg_access = &mma8452_reg_access_dbg, - .driver_module = THIS_MODULE, }; static const unsigned long mma8452_scan_masks[] = {0x7, 0}; @@ -1368,7 +1426,6 @@ static int mma8452_data_rdy_trigger_set_state(struct iio_trigger *trig, static const struct iio_trigger_ops mma8452_trigger_ops = { .set_trigger_state = mma8452_data_rdy_trigger_set_state, .validate_device = iio_trigger_validate_own_device, - .owner = THIS_MODULE, }; static int mma8452_trigger_setup(struct iio_dev *indio_dev) @@ -1509,16 +1566,6 @@ static int mma8452_probe(struct i2c_client *client, return ret; if (client->irq) { - /* - * Although we enable the interrupt sources once and for - * all here the event detection itself is not enabled until - * userspace asks for it by mma8452_write_event_config() - */ - int supported_interrupts = MMA8452_INT_DRDY | - MMA8452_INT_TRANS | - MMA8452_INT_FF_MT; - int enabled_interrupts = MMA8452_INT_TRANS | - MMA8452_INT_FF_MT; int irq2; irq2 = of_irq_get_byname(client->dev.of_node, "INT2"); @@ -1527,8 +1574,8 @@ static int mma8452_probe(struct i2c_client *client, dev_dbg(&client->dev, "using interrupt line INT2\n"); } else { ret = i2c_smbus_write_byte_data(client, - MMA8452_CTRL_REG5, - supported_interrupts); + MMA8452_CTRL_REG5, + data->chip_info->all_events); if (ret < 0) return ret; @@ -1536,8 +1583,8 @@ static int mma8452_probe(struct i2c_client *client, } ret = i2c_smbus_write_byte_data(client, - MMA8452_CTRL_REG4, - enabled_interrupts); + MMA8452_CTRL_REG4, + data->chip_info->enabled_events); if (ret < 0) return ret; diff --git a/drivers/iio/accel/mma9551.c b/drivers/iio/accel/mma9551.c index 1f53f08476f5..da7c21504f38 100644 --- a/drivers/iio/accel/mma9551.c +++ b/drivers/iio/accel/mma9551.c @@ -332,7 +332,6 @@ static const struct iio_chan_spec mma9551_channels[] = { }; static const struct iio_info mma9551_info = { - .driver_module = THIS_MODULE, .read_raw = mma9551_read_raw, .read_event_config = mma9551_read_event_config, .write_event_config = mma9551_write_event_config, diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c index 36bf19733be0..b52a3f182190 100644 --- a/drivers/iio/accel/mma9553.c +++ b/drivers/iio/accel/mma9553.c @@ -987,7 +987,6 @@ static const struct iio_chan_spec mma9553_channels[] = { }; static const struct iio_info mma9553_info = { - .driver_module = THIS_MODULE, .read_raw = mma9553_read_raw, .write_raw = mma9553_write_raw, .read_event_config = mma9553_read_event_config, diff --git a/drivers/iio/accel/mxc4005.c b/drivers/iio/accel/mxc4005.c index c23f47af7256..58099e40d717 100644 --- a/drivers/iio/accel/mxc4005.c +++ b/drivers/iio/accel/mxc4005.c @@ -264,7 +264,6 @@ static int mxc4005_write_raw(struct iio_dev *indio_dev, } static const struct iio_info mxc4005_info = { - .driver_module = THIS_MODULE, .read_raw = mxc4005_read_raw, .write_raw = mxc4005_write_raw, .attrs = &mxc4005_attrs_group, @@ -376,7 +375,6 @@ static int mxc4005_trigger_try_reen(struct iio_trigger *trig) static const struct iio_trigger_ops mxc4005_trigger_ops = { .set_trigger_state = mxc4005_set_trigger_state, .try_reenable = mxc4005_trigger_try_reen, - .owner = THIS_MODULE, }; static int mxc4005_chip_init(struct mxc4005_data *data) diff --git a/drivers/iio/accel/mxc6255.c b/drivers/iio/accel/mxc6255.c index 0abad6948201..ddd50d1781c5 100644 --- a/drivers/iio/accel/mxc6255.c +++ b/drivers/iio/accel/mxc6255.c @@ -78,7 +78,6 @@ static int mxc6255_read_raw(struct iio_dev *indio_dev, } static const struct iio_info mxc6255_info = { - .driver_module = THIS_MODULE, .read_raw = mxc6255_read_raw, }; diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c index 39ab210c44f6..f33dadf7b262 100644 --- a/drivers/iio/accel/sca3000.c +++ b/drivers/iio/accel/sca3000.c @@ -1454,7 +1454,6 @@ static const struct iio_info sca3000_info = { .write_event_value = &sca3000_write_event_value, .read_event_config = &sca3000_read_event_config, .write_event_config = &sca3000_write_event_config, - .driver_module = THIS_MODULE, }; static int sca3000_probe(struct spi_device *spi) diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h index 0fe521609a3a..2f931e4837e5 100644 --- a/drivers/iio/accel/st_accel.h +++ b/drivers/iio/accel/st_accel.h @@ -32,6 +32,8 @@ enum st_accel_type { H3LIS331DL, LIS331DL, LIS3LV02DL, + LIS2DW12, + LIS3DHH, ST_ACCEL_MAX, }; @@ -52,6 +54,8 @@ enum st_accel_type { #define LIS2DH12_ACCEL_DEV_NAME "lis2dh12_accel" #define LIS3L02DQ_ACCEL_DEV_NAME "lis3l02dq" #define LNG2DM_ACCEL_DEV_NAME "lng2dm" +#define LIS2DW12_ACCEL_DEV_NAME "lis2dw12" +#define LIS3DHH_ACCEL_DEV_NAME "lis3dhh" /** * struct st_sensors_platform_data - default accel platform data diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 752856b3a849..460aa58e0159 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -159,12 +159,16 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask = 0x80, }, .drdy_irq = { - .addr = 0x22, - .mask_int1 = 0x10, - .mask_int2 = 0x00, + .int1 = { + .addr = 0x22, + .mask = 0x10, + }, .addr_ihl = 0x25, .mask_ihl = 0x02, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, }, .sim = { .addr = 0x23, @@ -229,14 +233,24 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask = 0x80, }, .drdy_irq = { - .addr = 0x22, - .mask_int1 = 0x02, - .mask_int2 = 0x10, + .int1 = { + .addr = 0x22, + .mask = 0x02, + .addr_od = 0x22, + .mask_od = 0x40, + }, + .int2 = { + .addr = 0x22, + .mask = 0x10, + .addr_od = 0x22, + .mask_od = 0x40, + }, .addr_ihl = 0x22, .mask_ihl = 0x80, - .addr_od = 0x22, - .mask_od = 0x40, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, }, .sim = { .addr = 0x23, @@ -313,12 +327,16 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask = 0x08, }, .drdy_irq = { - .addr = 0x23, - .mask_int1 = 0x80, - .mask_int2 = 0x00, + .int1 = { + .addr = 0x23, + .mask = 0x80, + }, .addr_ihl = 0x23, .mask_ihl = 0x40, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, .ig1 = { .en_addr = 0x23, .en_mask = 0x08, @@ -387,9 +405,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask = 0x01, }, .drdy_irq = { - .addr = 0x21, - .mask_int1 = 0x04, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .int1 = { + .addr = 0x21, + .mask = 0x04, + }, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, }, .sim = { .addr = 0x21, @@ -444,14 +467,24 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { }, }, .drdy_irq = { - .addr = 0x22, - .mask_int1 = 0x04, - .mask_int2 = 0x20, + .int1 = { + .addr = 0x22, + .mask = 0x04, + .addr_od = 0x22, + .mask_od = 0x40, + }, + .int2 = { + .addr = 0x22, + .mask = 0x20, + .addr_od = 0x22, + .mask_od = 0x40, + }, .addr_ihl = 0x22, .mask_ihl = 0x80, - .addr_od = 0x22, - .mask_od = 0x40, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, }, .sim = { .addr = 0x21, @@ -513,9 +546,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .mask = 0x80, }, .drdy_irq = { - .addr = 0x22, - .mask_int1 = 0x02, - .mask_int2 = 0x10, + .int1 = { + .addr = 0x22, + .mask = 0x02, + }, + .int2 = { + .addr = 0x22, + .mask = 0x10, + }, .addr_ihl = 0x22, .mask_ihl = 0x80, }, @@ -567,9 +605,14 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .bdu = { }, .drdy_irq = { - .addr = 0x21, - .mask_int1 = 0x04, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .int1 = { + .addr = 0x21, + .mask = 0x04, + }, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, }, .sim = { .addr = 0x21, @@ -635,12 +678,16 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { }, }, .drdy_irq = { - .addr = 0x22, - .mask_int1 = 0x10, - .mask_int2 = 0x00, + .int1 = { + .addr = 0x22, + .mask = 0x10, + }, .addr_ihl = 0x25, .mask_ihl = 0x02, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, }, .sim = { .addr = 0x23, @@ -649,6 +696,139 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { .multi_read_bit = true, .bootime = 2, }, + { + .wai = 0x44, + .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, + .sensors_supported = { + [0] = LIS2DW12_ACCEL_DEV_NAME, + }, + .ch = (struct iio_chan_spec *)st_accel_12bit_channels, + .odr = { + .addr = 0x20, + .mask = 0xf0, + .odr_avl = { + { .hz = 1, .value = 0x01, }, + { .hz = 12, .value = 0x02, }, + { .hz = 25, .value = 0x03, }, + { .hz = 50, .value = 0x04, }, + { .hz = 100, .value = 0x05, }, + { .hz = 200, .value = 0x06, }, + }, + }, + .pw = { + .addr = 0x20, + .mask = 0xf0, + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, + }, + .fs = { + .addr = 0x25, + .mask = 0x30, + .fs_avl = { + [0] = { + .num = ST_ACCEL_FS_AVL_2G, + .value = 0x00, + .gain = IIO_G_TO_M_S_2(976), + }, + [1] = { + .num = ST_ACCEL_FS_AVL_4G, + .value = 0x01, + .gain = IIO_G_TO_M_S_2(1952), + }, + [2] = { + .num = ST_ACCEL_FS_AVL_8G, + .value = 0x02, + .gain = IIO_G_TO_M_S_2(3904), + }, + [3] = { + .num = ST_ACCEL_FS_AVL_16G, + .value = 0x03, + .gain = IIO_G_TO_M_S_2(7808), + }, + }, + }, + .bdu = { + .addr = 0x21, + .mask = 0x08, + }, + .drdy_irq = { + .int1 = { + .addr = 0x23, + .mask = 0x01, + .addr_od = 0x22, + .mask_od = 0x20, + }, + .int2 = { + .addr = 0x24, + .mask = 0x01, + .addr_od = 0x22, + .mask_od = 0x20, + }, + .addr_ihl = 0x22, + .mask_ihl = 0x08, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x01, + }, + }, + .sim = { + .addr = 0x21, + .value = BIT(0), + }, + .multi_read_bit = false, + .bootime = 2, + }, + { + .wai = 0x11, + .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, + .sensors_supported = { + [0] = LIS3DHH_ACCEL_DEV_NAME, + }, + .ch = (struct iio_chan_spec *)st_accel_16bit_channels, + .odr = { + /* just ODR = 1100Hz available */ + .odr_avl = { + { .hz = 1100, .value = 0x00, }, + }, + }, + .pw = { + .addr = 0x20, + .mask = 0x80, + .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, + }, + .fs = { + .fs_avl = { + [0] = { + .num = ST_ACCEL_FS_AVL_2G, + .gain = IIO_G_TO_M_S_2(76), + }, + }, + }, + .bdu = { + .addr = 0x20, + .mask = 0x01, + }, + .drdy_irq = { + .int1 = { + .addr = 0x21, + .mask = 0x80, + .addr_od = 0x23, + .mask_od = 0x04, + }, + .int2 = { + .addr = 0x22, + .mask = 0x80, + .addr_od = 0x23, + .mask_od = 0x08, + }, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, + }, + .multi_read_bit = false, + .bootime = 2, + }, }; static int st_accel_read_raw(struct iio_dev *indio_dev, @@ -721,7 +901,6 @@ static const struct attribute_group st_accel_attribute_group = { }; static const struct iio_info accel_info = { - .driver_module = THIS_MODULE, .attrs = &st_accel_attribute_group, .read_raw = &st_accel_read_raw, .write_raw = &st_accel_write_raw, @@ -730,7 +909,6 @@ static const struct iio_info accel_info = { #ifdef CONFIG_IIO_TRIGGER static const struct iio_trigger_ops st_accel_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = ST_ACCEL_TRIGGER_SET_STATE, .validate_device = st_sensors_validate_device, }; diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c index 18cafb9f2468..363429b5686c 100644 --- a/drivers/iio/accel/st_accel_i2c.c +++ b/drivers/iio/accel/st_accel_i2c.c @@ -94,6 +94,10 @@ static const struct of_device_id st_accel_of_match[] = { .compatible = "st,lng2dm-accel", .data = LNG2DM_ACCEL_DEV_NAME, }, + { + .compatible = "st,lis2dw12", + .data = LIS2DW12_ACCEL_DEV_NAME, + }, {}, }; MODULE_DEVICE_TABLE(of, st_accel_of_match); @@ -129,6 +133,7 @@ static const struct i2c_device_id st_accel_id_table[] = { { H3LIS331DL_ACCEL_DEV_NAME, H3LIS331DL }, { LIS331DL_ACCEL_DEV_NAME, LIS331DL }, { LIS3LV02DL_ACCEL_DEV_NAME, LIS3LV02DL }, + { LIS2DW12_ACCEL_DEV_NAME, LIS2DW12 }, {}, }; MODULE_DEVICE_TABLE(i2c, st_accel_id_table); diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c index 915fa49085f7..dcc9bd243a52 100644 --- a/drivers/iio/accel/st_accel_spi.c +++ b/drivers/iio/accel/st_accel_spi.c @@ -82,6 +82,14 @@ static const struct of_device_id st_accel_of_match[] = { .compatible = "st,lis331dl-accel", .data = LIS331DL_ACCEL_DEV_NAME, }, + { + .compatible = "st,lis2dw12", + .data = LIS2DW12_ACCEL_DEV_NAME, + }, + { + .compatible = "st,lis3dhh", + .data = LIS3DHH_ACCEL_DEV_NAME, + }, {} }; MODULE_DEVICE_TABLE(of, st_accel_of_match); @@ -133,6 +141,8 @@ static const struct spi_device_id st_accel_id_table[] = { { H3LIS331DL_ACCEL_DEV_NAME }, { LIS331DL_ACCEL_DEV_NAME }, { LIS3LV02DL_ACCEL_DEV_NAME }, + { LIS2DW12_ACCEL_DEV_NAME }, + { LIS3DHH_ACCEL_DEV_NAME }, {}, }; MODULE_DEVICE_TABLE(spi, st_accel_id_table); diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c index e31023dc5f1b..cacc0da2f874 100644 --- a/drivers/iio/accel/stk8312.c +++ b/drivers/iio/accel/stk8312.c @@ -237,7 +237,6 @@ static int stk8312_data_rdy_trigger_set_state(struct iio_trigger *trig, static const struct iio_trigger_ops stk8312_trigger_ops = { .set_trigger_state = stk8312_data_rdy_trigger_set_state, - .owner = THIS_MODULE, }; static int stk8312_set_sample_rate(struct stk8312_data *data, u8 rate) @@ -421,7 +420,6 @@ static int stk8312_write_raw(struct iio_dev *indio_dev, } static const struct iio_info stk8312_info = { - .driver_module = THIS_MODULE, .read_raw = stk8312_read_raw, .write_raw = stk8312_write_raw, .attrs = &stk8312_attribute_group, diff --git a/drivers/iio/accel/stk8ba50.c b/drivers/iio/accel/stk8ba50.c index 300d955bad00..576b6b140f08 100644 --- a/drivers/iio/accel/stk8ba50.c +++ b/drivers/iio/accel/stk8ba50.c @@ -179,7 +179,6 @@ static int stk8ba50_data_rdy_trigger_set_state(struct iio_trigger *trig, static const struct iio_trigger_ops stk8ba50_trigger_ops = { .set_trigger_state = stk8ba50_data_rdy_trigger_set_state, - .owner = THIS_MODULE, }; static int stk8ba50_set_power(struct stk8ba50_data *data, bool mode) @@ -307,7 +306,6 @@ static int stk8ba50_write_raw(struct iio_dev *indio_dev, } static const struct iio_info stk8ba50_info = { - .driver_module = THIS_MODULE, .read_raw = stk8ba50_read_raw, .write_raw = stk8ba50_write_raw, .attrs = &stk8ba50_attribute_group, diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 1d13bf03c758..ef86296b8b0d 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -477,12 +477,13 @@ config MAX9611 called max9611. config MCP320X - tristate "Microchip Technology MCP3x01/02/04/08" + tristate "Microchip Technology MCP3x01/02/04/08 and MCP3550/1/3" depends on SPI help Say yes here to build support for Microchip Technology's MCP3001, MCP3002, MCP3004, MCP3008, MCP3201, MCP3202, MCP3204, - MCP3208 or MCP3301 analog to digital converter. + MCP3208, MCP3301, MCP3550, MCP3551 and MCP3553 analog to digital + converters. This driver can also be built as a module. If so, the module will be called mcp320x. @@ -595,7 +596,7 @@ config QCOM_SPMI_VADC config RCAR_GYRO_ADC tristate "Renesas R-Car GyroADC driver" - depends on ARCH_RCAR_GEN2 || (ARM && COMPILE_TEST) + depends on ARCH_RCAR_GEN2 || COMPILE_TEST help Say yes here to build support for the GyroADC found in Renesas R-Car Gen2 SoCs. This block is a simple SPI offload engine for diff --git a/drivers/iio/adc/Makefile b/drivers/iio/adc/Makefile index 9874e05f52d7..9572c1090f35 100644 --- a/drivers/iio/adc/Makefile +++ b/drivers/iio/adc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for IIO ADC drivers # diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index b8d5cfd57ec4..605eb5e7e829 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -280,7 +280,6 @@ static AD7266_DECLARE_DIFF_CHANNELS_FIXED(u, 'u'); static const struct iio_info ad7266_info = { .read_raw = &ad7266_read_raw, .update_scan_mode = &ad7266_update_scan_mode, - .driver_module = THIS_MODULE, }; static const unsigned long ad7266_available_scan_masks[] = { diff --git a/drivers/iio/adc/ad7291.c b/drivers/iio/adc/ad7291.c index 1d90b02732bb..a862b5d8fb4b 100644 --- a/drivers/iio/adc/ad7291.c +++ b/drivers/iio/adc/ad7291.c @@ -461,7 +461,6 @@ static const struct iio_info ad7291_info = { .write_event_config = &ad7291_write_event_config, .read_event_value = &ad7291_read_event_value, .write_event_value = &ad7291_write_event_value, - .driver_module = THIS_MODULE, }; static int ad7291_probe(struct i2c_client *client, diff --git a/drivers/iio/adc/ad7298.c b/drivers/iio/adc/ad7298.c index e399bf04c73a..2b20c6c8ec7f 100644 --- a/drivers/iio/adc/ad7298.c +++ b/drivers/iio/adc/ad7298.c @@ -280,7 +280,6 @@ static int ad7298_read_raw(struct iio_dev *indio_dev, static const struct iio_info ad7298_info = { .read_raw = &ad7298_read_raw, .update_scan_mode = ad7298_update_scan_mode, - .driver_module = THIS_MODULE, }; static int ad7298_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c index b7ecf9aab90f..b7706bf10ffe 100644 --- a/drivers/iio/adc/ad7476.c +++ b/drivers/iio/adc/ad7476.c @@ -195,7 +195,6 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = { }; static const struct iio_info ad7476_info = { - .driver_module = THIS_MODULE, .read_raw = &ad7476_read_raw, }; diff --git a/drivers/iio/adc/ad7766.c b/drivers/iio/adc/ad7766.c index ce45037295d8..3ae14fc8c649 100644 --- a/drivers/iio/adc/ad7766.c +++ b/drivers/iio/adc/ad7766.c @@ -185,7 +185,6 @@ static const struct iio_buffer_setup_ops ad7766_buffer_setup_ops = { }; static const struct iio_info ad7766_info = { - .driver_module = THIS_MODULE, .read_raw = &ad7766_read_raw, }; @@ -208,7 +207,6 @@ static int ad7766_set_trigger_state(struct iio_trigger *trig, bool enable) } static const struct iio_trigger_ops ad7766_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = ad7766_set_trigger_state, .validate_device = iio_trigger_validate_own_device, }; diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c index 34e353c43ac8..70fbf92f9827 100644 --- a/drivers/iio/adc/ad7791.c +++ b/drivers/iio/adc/ad7791.c @@ -308,13 +308,11 @@ static const struct iio_info ad7791_info = { .read_raw = &ad7791_read_raw, .attrs = &ad7791_attribute_group, .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, }; static const struct iio_info ad7791_no_filter_info = { .read_raw = &ad7791_read_raw, .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, }; static int ad7791_setup(struct ad7791_state *st, diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index 47c3d7f32900..801afb61310b 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -563,7 +563,6 @@ static const struct iio_info ad7793_info = { .write_raw_get_fmt = &ad7793_write_raw_get_fmt, .attrs = &ad7793_attribute_group, .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, }; static const struct iio_info ad7797_info = { @@ -572,7 +571,6 @@ static const struct iio_info ad7797_info = { .write_raw_get_fmt = &ad7793_write_raw_get_fmt, .attrs = &ad7793_attribute_group, .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, }; #define DECLARE_AD7793_CHANNELS(_name, _b, _sb, _s) \ diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c index 7a483bfbd70c..205c0f1761aa 100644 --- a/drivers/iio/adc/ad7887.c +++ b/drivers/iio/adc/ad7887.c @@ -229,7 +229,6 @@ static const struct ad7887_chip_info ad7887_chip_info_tbl[] = { static const struct iio_info ad7887_info = { .read_raw = &ad7887_read_raw, - .driver_module = THIS_MODULE, }; static int ad7887_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c index 77a675e11ebb..ffb7e089969c 100644 --- a/drivers/iio/adc/ad7923.c +++ b/drivers/iio/adc/ad7923.c @@ -262,7 +262,6 @@ static int ad7923_read_raw(struct iio_dev *indio_dev, static const struct iio_info ad7923_info = { .read_raw = &ad7923_read_raw, .update_scan_mode = ad7923_update_scan_mode, - .driver_module = THIS_MODULE, }; static int ad7923_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ad799x.c b/drivers/iio/adc/ad799x.c index 22426ae4af97..e1da67d5ee22 100644 --- a/drivers/iio/adc/ad799x.c +++ b/drivers/iio/adc/ad799x.c @@ -526,13 +526,11 @@ static const struct attribute_group ad799x_event_attrs_group = { static const struct iio_info ad7991_info = { .read_raw = &ad799x_read_raw, - .driver_module = THIS_MODULE, .update_scan_mode = ad799x_update_scan_mode, }; static const struct iio_info ad7993_4_7_8_noirq_info = { .read_raw = &ad799x_read_raw, - .driver_module = THIS_MODULE, .update_scan_mode = ad799x_update_scan_mode, }; @@ -543,7 +541,6 @@ static const struct iio_info ad7993_4_7_8_irq_info = { .write_event_config = &ad799x_write_event_config, .read_event_value = &ad799x_read_event_value, .write_event_value = &ad799x_write_event_value, - .driver_module = THIS_MODULE, .update_scan_mode = ad799x_update_scan_mode, }; diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index 22c4c17cd996..cf1b048b0665 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -463,7 +463,6 @@ int ad_sd_validate_trigger(struct iio_dev *indio_dev, struct iio_trigger *trig) EXPORT_SYMBOL_GPL(ad_sd_validate_trigger); static const struct iio_trigger_ops ad_sd_trigger_ops = { - .owner = THIS_MODULE, }; static int ad_sd_probe_trigger(struct iio_dev *indio_dev) diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index c02b23d675cb..8a958d5f1905 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -165,7 +165,6 @@ static int aspeed_adc_reg_access(struct iio_dev *indio_dev, } static const struct iio_info aspeed_adc_iio_info = { - .driver_module = THIS_MODULE, .read_raw = aspeed_adc_read_raw, .write_raw = aspeed_adc_write_raw, .debugfs_reg_access = aspeed_adc_reg_access, diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index a70ef7fec95f..755a493c2a2c 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -348,7 +348,6 @@ static int at91_adc_reenable_trigger(struct iio_trigger *trig) } static const struct iio_trigger_ops at91_adc_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &at91_adc_configure_trigger, .try_reenable = &at91_adc_reenable_trigger, }; @@ -584,7 +583,6 @@ static int at91_adc_write_raw(struct iio_dev *indio_dev, static const struct iio_info at91_adc_info = { .read_raw = &at91_adc_read_raw, .write_raw = &at91_adc_write_raw, - .driver_module = THIS_MODULE, }; static void at91_adc_hw_init(struct at91_adc_state *st) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 15109728cae7..3836d4222a3e 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -594,7 +594,6 @@ static int at91_adc_configure_trigger(struct iio_trigger *trig, bool state) } static const struct iio_trigger_ops at91_adc_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &at91_adc_configure_trigger, }; @@ -976,7 +975,6 @@ static int at91_adc_probe_pdata(struct at91_adc_state *st, } static const struct iio_info at91_adc_info = { - .driver_module = THIS_MODULE, .read_raw = &at91_adc_read_raw, }; diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c index 11e177180ea0..a30a97245e91 100644 --- a/drivers/iio/adc/axp20x_adc.c +++ b/drivers/iio/adc/axp20x_adc.c @@ -464,12 +464,10 @@ static int axp20x_write_raw(struct iio_dev *indio_dev, static const struct iio_info axp20x_adc_iio_info = { .read_raw = axp20x_read_raw, .write_raw = axp20x_write_raw, - .driver_module = THIS_MODULE, }; static const struct iio_info axp22x_adc_iio_info = { .read_raw = axp22x_read_raw, - .driver_module = THIS_MODULE, }; static int axp20x_adc_rate(int rate) diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c index 462a99c13e7a..60c9e853dd81 100644 --- a/drivers/iio/adc/axp288_adc.c +++ b/drivers/iio/adc/axp288_adc.c @@ -183,7 +183,6 @@ static int axp288_adc_set_state(struct regmap *regmap) static const struct iio_info axp288_adc_iio_info = { .read_raw = &axp288_adc_read_raw, - .driver_module = THIS_MODULE, }; static int axp288_adc_probe(struct platform_device *pdev) diff --git a/drivers/iio/adc/bcm_iproc_adc.c b/drivers/iio/adc/bcm_iproc_adc.c index 7f4f9c4150e3..7af59a4bbd8d 100644 --- a/drivers/iio/adc/bcm_iproc_adc.c +++ b/drivers/iio/adc/bcm_iproc_adc.c @@ -492,7 +492,6 @@ static int iproc_adc_read_raw(struct iio_dev *indio_dev, static const struct iio_info iproc_adc_iio_info = { .read_raw = &iproc_adc_read_raw, - .driver_module = THIS_MODULE, }; #define IPROC_ADC_CHANNEL(_index, _id) { \ diff --git a/drivers/iio/adc/berlin2-adc.c b/drivers/iio/adc/berlin2-adc.c index 71c806ecc722..72d8fa94ab31 100644 --- a/drivers/iio/adc/berlin2-adc.c +++ b/drivers/iio/adc/berlin2-adc.c @@ -277,7 +277,6 @@ static irqreturn_t berlin2_adc_tsen_irq(int irq, void *private) } static const struct iio_info berlin2_adc_info = { - .driver_module = THIS_MODULE, .read_raw = berlin2_adc_read_raw, }; diff --git a/drivers/iio/adc/cc10001_adc.c b/drivers/iio/adc/cc10001_adc.c index 91636c0ba5b5..707d8b24b072 100644 --- a/drivers/iio/adc/cc10001_adc.c +++ b/drivers/iio/adc/cc10001_adc.c @@ -262,7 +262,6 @@ static int cc10001_update_scan_mode(struct iio_dev *indio_dev, } static const struct iio_info cc10001_adc_info = { - .driver_module = THIS_MODULE, .read_raw = &cc10001_adc_read_raw, .update_scan_mode = &cc10001_update_scan_mode, }; diff --git a/drivers/iio/adc/cpcap-adc.c b/drivers/iio/adc/cpcap-adc.c index 6e419d5a7c14..3576ec73ec23 100644 --- a/drivers/iio/adc/cpcap-adc.c +++ b/drivers/iio/adc/cpcap-adc.c @@ -932,7 +932,6 @@ err_unlock: static const struct iio_info cpcap_adc_info = { .read_raw = &cpcap_adc_read, - .driver_module = THIS_MODULE, }; /* diff --git a/drivers/iio/adc/da9150-gpadc.c b/drivers/iio/adc/da9150-gpadc.c index 3445107e10b7..0a5d9ce79164 100644 --- a/drivers/iio/adc/da9150-gpadc.c +++ b/drivers/iio/adc/da9150-gpadc.c @@ -249,7 +249,6 @@ static int da9150_gpadc_read_raw(struct iio_dev *indio_dev, static const struct iio_info da9150_gpadc_info = { .read_raw = &da9150_gpadc_read_raw, - .driver_module = THIS_MODULE, }; #define DA9150_GPADC_CHANNEL(_id, _hw_id, _type, chan_info, \ diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c index ab8d6aed5085..c64c6675cae6 100644 --- a/drivers/iio/adc/dln2-adc.c +++ b/drivers/iio/adc/dln2-adc.c @@ -479,7 +479,6 @@ static const struct iio_info dln2_adc_info = { .read_raw = dln2_adc_read_raw, .write_raw = dln2_adc_write_raw, .update_scan_mode = dln2_update_scan_mode, - .driver_module = THIS_MODULE, }; static irqreturn_t dln2_adc_trigger_h(int irq, void *p) @@ -604,10 +603,6 @@ static void dln2_adc_event(struct platform_device *pdev, u16 echo, iio_trigger_poll(dln2->trig); } -static const struct iio_trigger_ops dln2_adc_trigger_ops = { - .owner = THIS_MODULE, -}; - static int dln2_adc_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -665,7 +660,6 @@ static int dln2_adc_probe(struct platform_device *pdev) dev_err(dev, "failed to allocate trigger\n"); return -ENOMEM; } - dln2->trig->ops = &dln2_adc_trigger_ops; iio_trigger_set_drvdata(dln2->trig, dln2); devm_iio_trigger_register(dev, dln2->trig); iio_trigger_set_immutable(indio_dev, dln2->trig); diff --git a/drivers/iio/adc/envelope-detector.c b/drivers/iio/adc/envelope-detector.c index fef15c0d7c9c..4ebda8ab54fe 100644 --- a/drivers/iio/adc/envelope-detector.c +++ b/drivers/iio/adc/envelope-detector.c @@ -322,7 +322,6 @@ static const struct iio_chan_spec envelope_detector_iio_channel = { static const struct iio_info envelope_detector_info = { .read_raw = &envelope_detector_read_raw, - .driver_module = THIS_MODULE, }; static int envelope_detector_probe(struct platform_device *pdev) diff --git a/drivers/iio/adc/ep93xx_adc.c b/drivers/iio/adc/ep93xx_adc.c index a179ac476c6d..81c901507ad2 100644 --- a/drivers/iio/adc/ep93xx_adc.c +++ b/drivers/iio/adc/ep93xx_adc.c @@ -150,7 +150,6 @@ static int ep93xx_read_raw(struct iio_dev *iiodev, } static const struct iio_info ep93xx_adc_info = { - .driver_module = THIS_MODULE, .read_raw = ep93xx_read_raw, }; diff --git a/drivers/iio/adc/exynos_adc.c b/drivers/iio/adc/exynos_adc.c index 6c5a7be9f8c1..f10443f92e4c 100644 --- a/drivers/iio/adc/exynos_adc.c +++ b/drivers/iio/adc/exynos_adc.c @@ -657,7 +657,6 @@ static int exynos_adc_reg_access(struct iio_dev *indio_dev, static const struct iio_info exynos_adc_iio_info = { .read_raw = &exynos_read_raw, .debugfs_reg_access = &exynos_adc_reg_access, - .driver_module = THIS_MODULE, }; #define ADC_CHANNEL(_index, _id) { \ diff --git a/drivers/iio/adc/hi8435.c b/drivers/iio/adc/hi8435.c index adf7dc712937..6f6c9a348158 100644 --- a/drivers/iio/adc/hi8435.c +++ b/drivers/iio/adc/hi8435.c @@ -408,7 +408,6 @@ static const struct iio_chan_spec hi8435_channels[] = { }; static const struct iio_info hi8435_info = { - .driver_module = THIS_MODULE, .read_raw = hi8435_read_raw, .read_event_config = hi8435_read_event_config, .write_event_config = hi8435_write_event_config, diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c index 27005d84ed73..d10b9f13d557 100644 --- a/drivers/iio/adc/hx711.c +++ b/drivers/iio/adc/hx711.c @@ -374,7 +374,6 @@ static const struct attribute_group hx711_attribute_group = { }; static const struct iio_info hx711_iio_info = { - .driver_module = THIS_MODULE, .read_raw = hx711_read_raw, .write_raw = hx711_write_raw, .write_raw_get_fmt = hx711_write_raw_get_fmt, diff --git a/drivers/iio/adc/imx7d_adc.c b/drivers/iio/adc/imx7d_adc.c index 254b29a68b9d..cfab31162845 100644 --- a/drivers/iio/adc/imx7d_adc.c +++ b/drivers/iio/adc/imx7d_adc.c @@ -412,7 +412,6 @@ static int imx7d_adc_reg_access(struct iio_dev *indio_dev, } static const struct iio_info imx7d_adc_iio_info = { - .driver_module = THIS_MODULE, .read_raw = &imx7d_adc_read_raw, .debugfs_reg_access = &imx7d_adc_reg_access, }; diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c index f387b972e4f4..84a43871f7dc 100644 --- a/drivers/iio/adc/ina2xx-adc.c +++ b/drivers/iio/adc/ina2xx-adc.c @@ -123,7 +123,7 @@ struct ina2xx_chip_info { struct task_struct *task; const struct ina2xx_config *config; struct mutex state_lock; - unsigned int shunt_resistor; + unsigned int shunt_resistor_uohm; int avg; int int_time_vbus; /* Bus voltage integration time uS */ int int_time_vshunt; /* Shunt voltage integration time uS */ @@ -436,7 +436,7 @@ static ssize_t ina2xx_allow_async_readout_store(struct device *dev, /* * Set current LSB to 1mA, shunt is in uOhms * (equation 13 in datasheet). We hardcode a Current_LSB - * of 1.0 x10-6. The only remaining parameter is RShunt. + * of 1.0 x10-3. The only remaining parameter is RShunt. * There is no need to expose the CALIBRATION register * to the user for now. But we need to reset this register * if the user updates RShunt after driver init, e.g upon @@ -445,7 +445,7 @@ static ssize_t ina2xx_allow_async_readout_store(struct device *dev, static int ina2xx_set_calibration(struct ina2xx_chip_info *chip) { u16 regval = DIV_ROUND_CLOSEST(chip->config->calibration_factor, - chip->shunt_resistor); + chip->shunt_resistor_uohm); return regmap_write(chip->regmap, INA2XX_CALIBRATION, regval); } @@ -455,7 +455,7 @@ static int set_shunt_resistor(struct ina2xx_chip_info *chip, unsigned int val) if (val <= 0 || val > chip->config->calibration_factor) return -EINVAL; - chip->shunt_resistor = val; + chip->shunt_resistor_uohm = val; return 0; } @@ -465,8 +465,9 @@ static ssize_t ina2xx_shunt_resistor_show(struct device *dev, char *buf) { struct ina2xx_chip_info *chip = iio_priv(dev_to_iio_dev(dev)); + int vals[2] = { chip->shunt_resistor_uohm, 1000000 }; - return sprintf(buf, "%d\n", chip->shunt_resistor); + return iio_format_value(buf, IIO_VAL_FRACTIONAL, 1, vals); } static ssize_t ina2xx_shunt_resistor_store(struct device *dev, @@ -474,14 +475,13 @@ static ssize_t ina2xx_shunt_resistor_store(struct device *dev, const char *buf, size_t len) { struct ina2xx_chip_info *chip = iio_priv(dev_to_iio_dev(dev)); - unsigned long val; - int ret; + int val, val_fract, ret; - ret = kstrtoul((const char *) buf, 10, &val); + ret = iio_str_to_fixpoint(buf, 100000, &val, &val_fract); if (ret) return ret; - ret = set_shunt_resistor(chip, val); + ret = set_shunt_resistor(chip, val * 1000000 + val_fract); if (ret) return ret; @@ -778,7 +778,6 @@ static const struct attribute_group ina226_attribute_group = { }; static const struct iio_info ina219_info = { - .driver_module = THIS_MODULE, .attrs = &ina219_attribute_group, .read_raw = ina2xx_read_raw, .write_raw = ina2xx_write_raw, @@ -786,7 +785,6 @@ static const struct iio_info ina219_info = { }; static const struct iio_info ina226_info = { - .driver_module = THIS_MODULE, .attrs = &ina226_attribute_group, .read_raw = ina2xx_read_raw, .write_raw = ina2xx_write_raw, diff --git a/drivers/iio/adc/lp8788_adc.c b/drivers/iio/adc/lp8788_adc.c index 152cfc8e1c7b..3bc4df916420 100644 --- a/drivers/iio/adc/lp8788_adc.c +++ b/drivers/iio/adc/lp8788_adc.c @@ -125,7 +125,6 @@ static int lp8788_adc_read_raw(struct iio_dev *indio_dev, static const struct iio_info lp8788_adc_info = { .read_raw = &lp8788_adc_read_raw, - .driver_module = THIS_MODULE, }; #define LP8788_CHAN(_id, _type) { \ diff --git a/drivers/iio/adc/lpc18xx_adc.c b/drivers/iio/adc/lpc18xx_adc.c index 3ef18f4b27f0..041dc4a3f66c 100644 --- a/drivers/iio/adc/lpc18xx_adc.c +++ b/drivers/iio/adc/lpc18xx_adc.c @@ -116,7 +116,6 @@ static int lpc18xx_adc_read_raw(struct iio_dev *indio_dev, static const struct iio_info lpc18xx_adc_info = { .read_raw = lpc18xx_adc_read_raw, - .driver_module = THIS_MODULE, }; static int lpc18xx_adc_probe(struct platform_device *pdev) diff --git a/drivers/iio/adc/lpc32xx_adc.c b/drivers/iio/adc/lpc32xx_adc.c index 6a5b9a9bc662..20b36690fa4f 100644 --- a/drivers/iio/adc/lpc32xx_adc.c +++ b/drivers/iio/adc/lpc32xx_adc.c @@ -104,7 +104,6 @@ static int lpc32xx_read_raw(struct iio_dev *indio_dev, static const struct iio_info lpc32xx_adc_iio_info = { .read_raw = &lpc32xx_read_raw, - .driver_module = THIS_MODULE, }; #define LPC32XX_ADC_CHANNEL(_index) { \ diff --git a/drivers/iio/adc/ltc2471.c b/drivers/iio/adc/ltc2471.c index 29b7ed60cdb0..b88102b751cf 100644 --- a/drivers/iio/adc/ltc2471.c +++ b/drivers/iio/adc/ltc2471.c @@ -98,7 +98,6 @@ static const struct iio_chan_spec ltc2473_channel[] = { static const struct iio_info ltc2471_info = { .read_raw = ltc2471_read_raw, - .driver_module = THIS_MODULE, }; static int ltc2471_i2c_probe(struct i2c_client *client, diff --git a/drivers/iio/adc/ltc2485.c b/drivers/iio/adc/ltc2485.c index eab91f12454a..b24c14037fd4 100644 --- a/drivers/iio/adc/ltc2485.c +++ b/drivers/iio/adc/ltc2485.c @@ -90,7 +90,6 @@ static const struct iio_chan_spec ltc2485_channel[] = { static const struct iio_info ltc2485_info = { .read_raw = ltc2485_read_raw, - .driver_module = THIS_MODULE, }; static int ltc2485_probe(struct i2c_client *client, diff --git a/drivers/iio/adc/ltc2497.c b/drivers/iio/adc/ltc2497.c index 5bf8011dcde9..f1f7cdf66fbd 100644 --- a/drivers/iio/adc/ltc2497.c +++ b/drivers/iio/adc/ltc2497.c @@ -186,7 +186,6 @@ static const struct iio_chan_spec ltc2497_channel[] = { static const struct iio_info ltc2497_info = { .read_raw = ltc2497_read_raw, - .driver_module = THIS_MODULE, }; static int ltc2497_probe(struct i2c_client *client, diff --git a/drivers/iio/adc/max1027.c b/drivers/iio/adc/max1027.c index ebc715927e63..375da6491499 100644 --- a/drivers/iio/adc/max1027.c +++ b/drivers/iio/adc/max1027.c @@ -381,13 +381,11 @@ static irqreturn_t max1027_trigger_handler(int irq, void *private) } static const struct iio_trigger_ops max1027_trigger_ops = { - .owner = THIS_MODULE, .validate_device = &iio_trigger_validate_own_device, .set_trigger_state = &max1027_set_trigger_state, }; static const struct iio_info max1027_info = { - .driver_module = THIS_MODULE, .read_raw = &max1027_read_raw, .validate_trigger = &max1027_validate_trigger, .debugfs_reg_access = &max1027_debugfs_reg_access, diff --git a/drivers/iio/adc/max11100.c b/drivers/iio/adc/max11100.c index 1180bcc22ff1..af59ab2e650c 100644 --- a/drivers/iio/adc/max11100.c +++ b/drivers/iio/adc/max11100.c @@ -100,7 +100,6 @@ static int max11100_read_raw(struct iio_dev *indio_dev, } static const struct iio_info max11100_info = { - .driver_module = THIS_MODULE, .read_raw = max11100_read_raw, }; diff --git a/drivers/iio/adc/max1118.c b/drivers/iio/adc/max1118.c index 2e9648a078c4..49db9e9ae625 100644 --- a/drivers/iio/adc/max1118.c +++ b/drivers/iio/adc/max1118.c @@ -155,7 +155,6 @@ static int max1118_read_raw(struct iio_dev *indio_dev, static const struct iio_info max1118_info = { .read_raw = max1118_read_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t max1118_trigger_handler(int irq, void *p) diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c index 80eada4886b3..7f1848dac9bf 100644 --- a/drivers/iio/adc/max1363.c +++ b/drivers/iio/adc/max1363.c @@ -1029,7 +1029,6 @@ static int max1363_update_scan_mode(struct iio_dev *indio_dev, static const struct iio_info max1238_info = { .read_raw = &max1363_read_raw, - .driver_module = THIS_MODULE, .update_scan_mode = &max1363_update_scan_mode, }; @@ -1040,7 +1039,6 @@ static const struct iio_info max1363_info = { .write_event_config = &max1363_write_event_config, .read_raw = &max1363_read_raw, .update_scan_mode = &max1363_update_scan_mode, - .driver_module = THIS_MODULE, .event_attrs = &max1363_event_attribute_group, }; diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c index b1dd17cbce58..0538ff8c4ac1 100644 --- a/drivers/iio/adc/max9611.c +++ b/drivers/iio/adc/max9611.c @@ -460,7 +460,6 @@ static const struct attribute_group max9611_attribute_group = { }; static const struct iio_info indio_info = { - .driver_module = THIS_MODULE, .read_raw = max9611_read_raw, .attrs = &max9611_attribute_group, }; @@ -573,7 +572,6 @@ static int max9611_probe(struct i2c_client *client, static struct i2c_driver max9611_driver = { .driver = { .name = DRIVER_NAME, - .owner = THIS_MODULE, .of_match_table = max9611_of_table, }, .probe = max9611_probe, diff --git a/drivers/iio/adc/mcp320x.c b/drivers/iio/adc/mcp320x.c index 071dd23a33d9..a04856d8afdb 100644 --- a/drivers/iio/adc/mcp320x.c +++ b/drivers/iio/adc/mcp320x.c @@ -19,6 +19,11 @@ * ------------ * 13 bit converter * MCP3301 + * ------------ + * 22 bit converter + * MCP3550 + * MCP3551 + * MCP3553 * * Datasheet can be found here: * http://ww1.microchip.com/downloads/en/DeviceDoc/21293C.pdf mcp3001 @@ -28,6 +33,7 @@ * http://ww1.microchip.com/downloads/en/DeviceDoc/21034D.pdf mcp3202 * http://ww1.microchip.com/downloads/en/DeviceDoc/21298c.pdf mcp3204/08 * http://ww1.microchip.com/downloads/en/DeviceDoc/21700E.pdf mcp3301 + * http://ww1.microchip.com/downloads/en/DeviceDoc/21950D.pdf mcp3550/1/3 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -51,25 +57,45 @@ enum { mcp3204, mcp3208, mcp3301, + mcp3550_50, + mcp3550_60, + mcp3551, + mcp3553, }; struct mcp320x_chip_info { const struct iio_chan_spec *channels; unsigned int num_channels; unsigned int resolution; + unsigned int conv_time; /* usec */ }; +/** + * struct mcp320x - Microchip SPI ADC instance + * @spi: SPI slave (parent of the IIO device) + * @msg: SPI message to select a channel and receive a value from the ADC + * @transfer: SPI transfers used by @msg + * @start_conv_msg: SPI message to start a conversion by briefly asserting CS + * @start_conv_transfer: SPI transfer used by @start_conv_msg + * @reg: regulator generating Vref + * @lock: protects read sequences + * @chip_info: ADC properties + * @tx_buf: buffer for @transfer[0] (not used on single-channel converters) + * @rx_buf: buffer for @transfer[1] + */ struct mcp320x { struct spi_device *spi; struct spi_message msg; struct spi_transfer transfer[2]; + struct spi_message start_conv_msg; + struct spi_transfer start_conv_transfer; struct regulator *reg; struct mutex lock; const struct mcp320x_chip_info *chip_info; u8 tx_buf ____cacheline_aligned; - u8 rx_buf[2]; + u8 rx_buf[4]; }; static int mcp320x_channel_to_tx_data(int device_index, @@ -78,10 +104,6 @@ static int mcp320x_channel_to_tx_data(int device_index, int start_bit = 1; switch (device_index) { - case mcp3001: - case mcp3201: - case mcp3301: - return 0; case mcp3002: case mcp3202: return ((start_bit << 4) | (!differential << 3) | @@ -102,21 +124,24 @@ static int mcp320x_adc_conversion(struct mcp320x *adc, u8 channel, { int ret; - adc->rx_buf[0] = 0; - adc->rx_buf[1] = 0; - adc->tx_buf = mcp320x_channel_to_tx_data(device_index, - channel, differential); - - if (device_index != mcp3001 && device_index != mcp3201 && device_index != mcp3301) { - ret = spi_sync(adc->spi, &adc->msg); - if (ret < 0) - return ret; - } else { - ret = spi_read(adc->spi, &adc->rx_buf, sizeof(adc->rx_buf)); + if (adc->chip_info->conv_time) { + ret = spi_sync(adc->spi, &adc->start_conv_msg); if (ret < 0) return ret; + + usleep_range(adc->chip_info->conv_time, + adc->chip_info->conv_time + 100); } + memset(&adc->rx_buf, 0, sizeof(adc->rx_buf)); + if (adc->chip_info->num_channels > 1) + adc->tx_buf = mcp320x_channel_to_tx_data(device_index, channel, + differential); + + ret = spi_sync(adc->spi, &adc->msg); + if (ret < 0) + return ret; + switch (device_index) { case mcp3001: *val = (adc->rx_buf[0] << 5 | adc->rx_buf[1] >> 3); @@ -138,6 +163,31 @@ static int mcp320x_adc_conversion(struct mcp320x *adc, u8 channel, *val = sign_extend32((adc->rx_buf[0] & 0x1f) << 8 | adc->rx_buf[1], 12); return 0; + case mcp3550_50: + case mcp3550_60: + case mcp3551: + case mcp3553: { + u32 raw = be32_to_cpup((u32 *)adc->rx_buf); + + if (!(adc->spi->mode & SPI_CPOL)) + raw <<= 1; /* strip Data Ready bit in SPI mode 0,0 */ + + /* + * If the input is within -vref and vref, bit 21 is the sign. + * Up to 12% overrange or underrange are allowed, in which case + * bit 23 is the sign and bit 0 to 21 is the value. + */ + raw >>= 8; + if (raw & BIT(22) && raw & BIT(23)) + return -EIO; /* cannot have overrange AND underrange */ + else if (raw & BIT(22)) + raw &= ~BIT(22); /* overrange */ + else if (raw & BIT(23) || raw & BIT(21)) + raw |= GENMASK(31, 22); /* underrange or negative */ + + *val = (s32)raw; + return 0; + } default: return -EINVAL; } @@ -248,7 +298,6 @@ static const struct iio_chan_spec mcp3208_channels[] = { static const struct iio_info mcp320x_info = { .read_raw = mcp320x_read_raw, - .driver_module = THIS_MODULE, }; static const struct mcp320x_chip_info mcp320x_chip_infos[] = { @@ -297,6 +346,31 @@ static const struct mcp320x_chip_info mcp320x_chip_infos[] = { .num_channels = ARRAY_SIZE(mcp3201_channels), .resolution = 13 }, + [mcp3550_50] = { + .channels = mcp3201_channels, + .num_channels = ARRAY_SIZE(mcp3201_channels), + .resolution = 21, + /* 2% max deviation + 144 clock periods to exit shutdown */ + .conv_time = 80000 * 1.02 + 144000 / 102.4, + }, + [mcp3550_60] = { + .channels = mcp3201_channels, + .num_channels = ARRAY_SIZE(mcp3201_channels), + .resolution = 21, + .conv_time = 66670 * 1.02 + 144000 / 122.88, + }, + [mcp3551] = { + .channels = mcp3201_channels, + .num_channels = ARRAY_SIZE(mcp3201_channels), + .resolution = 21, + .conv_time = 73100 * 1.02 + 144000 / 112.64, + }, + [mcp3553] = { + .channels = mcp3201_channels, + .num_channels = ARRAY_SIZE(mcp3201_channels), + .resolution = 21, + .conv_time = 16670 * 1.02 + 144000 / 122.88, + }, }; static int mcp320x_probe(struct spi_device *spi) @@ -304,7 +378,7 @@ static int mcp320x_probe(struct spi_device *spi) struct iio_dev *indio_dev; struct mcp320x *adc; const struct mcp320x_chip_info *chip_info; - int ret; + int ret, device_index; indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc)); if (!indio_dev) @@ -320,7 +394,8 @@ static int mcp320x_probe(struct spi_device *spi) indio_dev->info = &mcp320x_info; spi_set_drvdata(spi, indio_dev); - chip_info = &mcp320x_chip_infos[spi_get_device_id(spi)->driver_data]; + device_index = spi_get_device_id(spi)->driver_data; + chip_info = &mcp320x_chip_infos[device_index]; indio_dev->channels = chip_info->channels; indio_dev->num_channels = chip_info->num_channels; @@ -329,10 +404,41 @@ static int mcp320x_probe(struct spi_device *spi) adc->transfer[0].tx_buf = &adc->tx_buf; adc->transfer[0].len = sizeof(adc->tx_buf); adc->transfer[1].rx_buf = adc->rx_buf; - adc->transfer[1].len = sizeof(adc->rx_buf); + adc->transfer[1].len = DIV_ROUND_UP(chip_info->resolution, 8); + + if (chip_info->num_channels == 1) + /* single-channel converters are rx only (no MOSI pin) */ + spi_message_init_with_transfers(&adc->msg, + &adc->transfer[1], 1); + else + spi_message_init_with_transfers(&adc->msg, adc->transfer, + ARRAY_SIZE(adc->transfer)); - spi_message_init_with_transfers(&adc->msg, adc->transfer, - ARRAY_SIZE(adc->transfer)); + switch (device_index) { + case mcp3550_50: + case mcp3550_60: + case mcp3551: + case mcp3553: + /* rx len increases from 24 to 25 bit in SPI mode 0,0 */ + if (!(spi->mode & SPI_CPOL)) + adc->transfer[1].len++; + + /* conversions are started by asserting CS pin for 8 usec */ + adc->start_conv_transfer.delay_usecs = 8; + spi_message_init_with_transfers(&adc->start_conv_msg, + &adc->start_conv_transfer, 1); + + /* + * If CS was previously kept low (continuous conversion mode) + * and then changed to high, the chip is in shutdown. + * Sometimes it fails to wake from shutdown and clocks out + * only 0xffffff. The magic sequence of performing two + * conversions without delay between them resets the chip + * and ensures all subsequent conversions succeed. + */ + mcp320x_adc_conversion(adc, 0, 1, device_index, &ret); + mcp320x_adc_conversion(adc, 0, 1, device_index, &ret); + } adc->reg = devm_regulator_get(&spi->dev, "vref"); if (IS_ERR(adc->reg)) @@ -370,62 +476,29 @@ static int mcp320x_remove(struct spi_device *spi) #if defined(CONFIG_OF) static const struct of_device_id mcp320x_dt_ids[] = { /* NOTE: The use of compatibles with no vendor prefix is deprecated. */ - { - .compatible = "mcp3001", - .data = &mcp320x_chip_infos[mcp3001], - }, { - .compatible = "mcp3002", - .data = &mcp320x_chip_infos[mcp3002], - }, { - .compatible = "mcp3004", - .data = &mcp320x_chip_infos[mcp3004], - }, { - .compatible = "mcp3008", - .data = &mcp320x_chip_infos[mcp3008], - }, { - .compatible = "mcp3201", - .data = &mcp320x_chip_infos[mcp3201], - }, { - .compatible = "mcp3202", - .data = &mcp320x_chip_infos[mcp3202], - }, { - .compatible = "mcp3204", - .data = &mcp320x_chip_infos[mcp3204], - }, { - .compatible = "mcp3208", - .data = &mcp320x_chip_infos[mcp3208], - }, { - .compatible = "mcp3301", - .data = &mcp320x_chip_infos[mcp3301], - }, { - .compatible = "microchip,mcp3001", - .data = &mcp320x_chip_infos[mcp3001], - }, { - .compatible = "microchip,mcp3002", - .data = &mcp320x_chip_infos[mcp3002], - }, { - .compatible = "microchip,mcp3004", - .data = &mcp320x_chip_infos[mcp3004], - }, { - .compatible = "microchip,mcp3008", - .data = &mcp320x_chip_infos[mcp3008], - }, { - .compatible = "microchip,mcp3201", - .data = &mcp320x_chip_infos[mcp3201], - }, { - .compatible = "microchip,mcp3202", - .data = &mcp320x_chip_infos[mcp3202], - }, { - .compatible = "microchip,mcp3204", - .data = &mcp320x_chip_infos[mcp3204], - }, { - .compatible = "microchip,mcp3208", - .data = &mcp320x_chip_infos[mcp3208], - }, { - .compatible = "microchip,mcp3301", - .data = &mcp320x_chip_infos[mcp3301], - }, { - } + { .compatible = "mcp3001" }, + { .compatible = "mcp3002" }, + { .compatible = "mcp3004" }, + { .compatible = "mcp3008" }, + { .compatible = "mcp3201" }, + { .compatible = "mcp3202" }, + { .compatible = "mcp3204" }, + { .compatible = "mcp3208" }, + { .compatible = "mcp3301" }, + { .compatible = "microchip,mcp3001" }, + { .compatible = "microchip,mcp3002" }, + { .compatible = "microchip,mcp3004" }, + { .compatible = "microchip,mcp3008" }, + { .compatible = "microchip,mcp3201" }, + { .compatible = "microchip,mcp3202" }, + { .compatible = "microchip,mcp3204" }, + { .compatible = "microchip,mcp3208" }, + { .compatible = "microchip,mcp3301" }, + { .compatible = "microchip,mcp3550-50" }, + { .compatible = "microchip,mcp3550-60" }, + { .compatible = "microchip,mcp3551" }, + { .compatible = "microchip,mcp3553" }, + { } }; MODULE_DEVICE_TABLE(of, mcp320x_dt_ids); #endif @@ -440,6 +513,10 @@ static const struct spi_device_id mcp320x_id[] = { { "mcp3204", mcp3204 }, { "mcp3208", mcp3208 }, { "mcp3301", mcp3301 }, + { "mcp3550-50", mcp3550_50 }, + { "mcp3550-60", mcp3550_60 }, + { "mcp3551", mcp3551 }, + { "mcp3553", mcp3553 }, { } }; MODULE_DEVICE_TABLE(spi, mcp320x_id); @@ -456,5 +533,5 @@ static struct spi_driver mcp320x_driver = { module_spi_driver(mcp320x_driver); MODULE_AUTHOR("Oskar Andero <oskar.andero@gmail.com>"); -MODULE_DESCRIPTION("Microchip Technology MCP3x01/02/04/08"); +MODULE_DESCRIPTION("Microchip Technology MCP3x01/02/04/08 and MCP3550/1/3"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c index 63de705086ed..819f26011500 100644 --- a/drivers/iio/adc/mcp3422.c +++ b/drivers/iio/adc/mcp3422.c @@ -327,7 +327,6 @@ static const struct iio_info mcp3422_info = { .write_raw = mcp3422_write_raw, .write_raw_get_fmt = mcp3422_write_raw_get_fmt, .attrs = &mcp3422_attribute_group, - .driver_module = THIS_MODULE, }; static int mcp3422_probe(struct i2c_client *client, diff --git a/drivers/iio/adc/men_z188_adc.c b/drivers/iio/adc/men_z188_adc.c index 8f3606de4eaf..c80261748d8f 100644 --- a/drivers/iio/adc/men_z188_adc.c +++ b/drivers/iio/adc/men_z188_adc.c @@ -80,7 +80,6 @@ static int z188_iio_read_raw(struct iio_dev *iio_dev, static const struct iio_info z188_adc_info = { .read_raw = &z188_iio_read_raw, - .driver_module = THIS_MODULE, }; static void men_z188_config_channels(void __iomem *addr) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 2e8dbb89c8c9..9c6932ffc0af 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -840,7 +840,6 @@ out: static const struct iio_info meson_sar_adc_iio_info = { .read_raw = meson_sar_adc_iio_info_read_raw, - .driver_module = THIS_MODULE, }; static const struct meson_sar_adc_data meson_sar_adc_meson8_data = { diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c index 414cf44bf19d..95d76abb64ec 100644 --- a/drivers/iio/adc/mt6577_auxadc.c +++ b/drivers/iio/adc/mt6577_auxadc.c @@ -180,7 +180,6 @@ static int mt6577_auxadc_read_raw(struct iio_dev *indio_dev, } static const struct iio_info mt6577_auxadc_info = { - .driver_module = THIS_MODULE, .read_raw = &mt6577_auxadc_read_raw, }; @@ -306,6 +305,7 @@ static SIMPLE_DEV_PM_OPS(mt6577_auxadc_pm_ops, static const struct of_device_id mt6577_auxadc_of_match[] = { { .compatible = "mediatek,mt2701-auxadc", }, + { .compatible = "mediatek,mt2712-auxadc", }, { .compatible = "mediatek,mt7622-auxadc", }, { .compatible = "mediatek,mt8173-auxadc", }, { } diff --git a/drivers/iio/adc/mxs-lradc-adc.c b/drivers/iio/adc/mxs-lradc-adc.c index d32b34638c2f..c627513d9f0f 100644 --- a/drivers/iio/adc/mxs-lradc-adc.c +++ b/drivers/iio/adc/mxs-lradc-adc.c @@ -382,7 +382,6 @@ static const struct attribute_group mxs_lradc_adc_attribute_group = { }; static const struct iio_info mxs_lradc_adc_iio_info = { - .driver_module = THIS_MODULE, .read_raw = mxs_lradc_adc_read_raw, .write_raw = mxs_lradc_adc_write_raw, .write_raw_get_fmt = mxs_lradc_adc_write_raw_get_fmt, @@ -455,7 +454,6 @@ static int mxs_lradc_adc_configure_trigger(struct iio_trigger *trig, bool state) } static const struct iio_trigger_ops mxs_lradc_adc_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &mxs_lradc_adc_configure_trigger, }; diff --git a/drivers/iio/adc/nau7802.c b/drivers/iio/adc/nau7802.c index 08f446695f97..8997e74a8847 100644 --- a/drivers/iio/adc/nau7802.c +++ b/drivers/iio/adc/nau7802.c @@ -402,7 +402,6 @@ static int nau7802_write_raw_get_fmt(struct iio_dev *indio_dev, } static const struct iio_info nau7802_info = { - .driver_module = THIS_MODULE, .read_raw = &nau7802_read_raw, .write_raw = &nau7802_write_raw, .write_raw_get_fmt = nau7802_write_raw_get_fmt, diff --git a/drivers/iio/adc/palmas_gpadc.c b/drivers/iio/adc/palmas_gpadc.c index 7d61b566e148..69b9affeef1e 100644 --- a/drivers/iio/adc/palmas_gpadc.c +++ b/drivers/iio/adc/palmas_gpadc.c @@ -430,7 +430,6 @@ out: static const struct iio_info palmas_gpadc_iio_info = { .read_raw = palmas_gpadc_read_raw, - .driver_module = THIS_MODULE, }; #define PALMAS_ADC_CHAN_IIO(chan, _type, chan_info) \ diff --git a/drivers/iio/adc/qcom-pm8xxx-xoadc.c b/drivers/iio/adc/qcom-pm8xxx-xoadc.c index cea8f1fb444a..b093ecddf1a8 100644 --- a/drivers/iio/adc/qcom-pm8xxx-xoadc.c +++ b/drivers/iio/adc/qcom-pm8xxx-xoadc.c @@ -728,7 +728,6 @@ static int pm8xxx_of_xlate(struct iio_dev *indio_dev, } static const struct iio_info pm8xxx_xoadc_info = { - .driver_module = THIS_MODULE, .of_xlate = pm8xxx_of_xlate, .read_raw = pm8xxx_read_raw, }; diff --git a/drivers/iio/adc/qcom-spmi-iadc.c b/drivers/iio/adc/qcom-spmi-iadc.c index fabd24edc2a1..3f062cd61aba 100644 --- a/drivers/iio/adc/qcom-spmi-iadc.c +++ b/drivers/iio/adc/qcom-spmi-iadc.c @@ -356,7 +356,6 @@ static int iadc_read_raw(struct iio_dev *indio_dev, static const struct iio_info iadc_info = { .read_raw = iadc_read_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t iadc_isr(int irq, void *dev_id) diff --git a/drivers/iio/adc/qcom-spmi-vadc.c b/drivers/iio/adc/qcom-spmi-vadc.c index 9e600bfd1765..3680e0d47412 100644 --- a/drivers/iio/adc/qcom-spmi-vadc.c +++ b/drivers/iio/adc/qcom-spmi-vadc.c @@ -506,7 +506,6 @@ static int vadc_of_xlate(struct iio_dev *indio_dev, static const struct iio_info vadc_info = { .read_raw = vadc_read_raw, .of_xlate = vadc_of_xlate, - .driver_module = THIS_MODULE, }; struct vadc_channels { diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c index 102fc51b10aa..47d24ae5462f 100644 --- a/drivers/iio/adc/qcom-vadc-common.c +++ b/drivers/iio/adc/qcom-vadc-common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bug.h> #include <linux/kernel.h> #include <linux/bitops.h> diff --git a/drivers/iio/adc/qcom-vadc-common.h b/drivers/iio/adc/qcom-vadc-common.h index 63c872a70adc..1d5354ff5c72 100644 --- a/drivers/iio/adc/qcom-vadc-common.h +++ b/drivers/iio/adc/qcom-vadc-common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Code shared between the different Qualcomm PMIC voltage ADCs */ diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c index 27a318164619..dcb50172186f 100644 --- a/drivers/iio/adc/rcar-gyroadc.c +++ b/drivers/iio/adc/rcar-gyroadc.c @@ -277,7 +277,6 @@ static int rcar_gyroadc_reg_access(struct iio_dev *indio_dev, } static const struct iio_info rcar_gyroadc_iio_info = { - .driver_module = THIS_MODULE, .read_raw = rcar_gyroadc_read_raw, .debugfs_reg_access = rcar_gyroadc_reg_access, }; @@ -349,7 +348,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev) continue; } - childmode = (unsigned int)of_id->data; + childmode = (uintptr_t)of_id->data; switch (childmode) { case RCAR_GYROADC_MODE_SELECT_1_MB88101A: sample_width = 12; @@ -488,8 +487,6 @@ err: static int rcar_gyroadc_probe(struct platform_device *pdev) { - const struct of_device_id *of_id = - of_match_device(rcar_gyroadc_match, &pdev->dev); struct device *dev = &pdev->dev; struct rcar_gyroadc *priv; struct iio_dev *indio_dev; @@ -526,7 +523,8 @@ static int rcar_gyroadc_probe(struct platform_device *pdev) if (ret) return ret; - priv->model = (enum rcar_gyroadc_model)of_id->data; + priv->model = (enum rcar_gyroadc_model) + of_device_get_match_data(&pdev->dev); platform_set_drvdata(pdev, indio_dev); diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 5f612d694b33..1f98566d5b3c 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -125,7 +125,6 @@ static irqreturn_t rockchip_saradc_isr(int irq, void *dev_id) static const struct iio_info rockchip_saradc_iio_info = { .read_raw = rockchip_saradc_read_raw, - .driver_module = THIS_MODULE, }; #define ADC_CHANNEL(_index, _id) { \ diff --git a/drivers/iio/adc/spear_adc.c b/drivers/iio/adc/spear_adc.c index 5dd61f6a57b9..b1da2c46107c 100644 --- a/drivers/iio/adc/spear_adc.c +++ b/drivers/iio/adc/spear_adc.c @@ -254,7 +254,6 @@ static int spear_adc_configure(struct spear_adc_state *st) static const struct iio_info spear_adc_info = { .read_raw = &spear_adc_read_raw, .write_raw = &spear_adc_write_raw, - .driver_module = THIS_MODULE, }; static int spear_adc_probe(struct platform_device *pdev) diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c index 804198eb0eef..6aefef99f935 100644 --- a/drivers/iio/adc/stm32-adc-core.c +++ b/drivers/iio/adc/stm32-adc-core.c @@ -139,6 +139,11 @@ static int stm32f4_adc_clk_sel(struct platform_device *pdev, } rate = clk_get_rate(priv->aclk); + if (!rate) { + dev_err(&pdev->dev, "Invalid clock rate: 0\n"); + return -EINVAL; + } + for (i = 0; i < ARRAY_SIZE(stm32f4_pclk_div); i++) { if ((rate / stm32f4_pclk_div[i]) <= STM32F4_ADC_MAX_CLK_RATE) break; @@ -216,6 +221,10 @@ static int stm32h7_adc_clk_sel(struct platform_device *pdev, * From spec: PLL output musn't exceed max rate */ rate = clk_get_rate(priv->aclk); + if (!rate) { + dev_err(&pdev->dev, "Invalid adc clock rate: 0\n"); + return -EINVAL; + } for (i = 0; i < ARRAY_SIZE(stm32h7_adc_ckmodes_spec); i++) { ckmode = stm32h7_adc_ckmodes_spec[i].ckmode; @@ -232,6 +241,10 @@ static int stm32h7_adc_clk_sel(struct platform_device *pdev, /* Synchronous clock modes (e.g. ckmode is 1, 2 or 3) */ rate = clk_get_rate(priv->bclk); + if (!rate) { + dev_err(&pdev->dev, "Invalid bus clock rate: 0\n"); + return -EINVAL; + } for (i = 0; i < ARRAY_SIZE(stm32h7_adc_ckmodes_spec); i++) { ckmode = stm32h7_adc_ckmodes_spec[i].ckmode; diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 4df32cf1650e..c9d96f935dba 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -531,6 +531,7 @@ static struct stm32_adc_trig_info stm32h7_adc_trigs[] = { { TIM2_TRGO, STM32_EXT11 }, { TIM4_TRGO, STM32_EXT12 }, { TIM6_TRGO, STM32_EXT13 }, + { TIM15_TRGO, STM32_EXT14 }, { TIM3_CH4, STM32_EXT15 }, { LPTIM1_OUT, STM32_EXT18 }, { LPTIM2_OUT, STM32_EXT19 }, @@ -1385,7 +1386,6 @@ static const struct iio_info stm32_adc_iio_info = { .update_scan_mode = stm32_adc_update_scan_mode, .debugfs_reg_access = stm32_adc_debugfs_reg_access, .of_xlate = stm32_adc_of_xlate, - .driver_module = THIS_MODULE, }; static unsigned int stm32_adc_dma_residue(struct stm32_adc *adc) diff --git a/drivers/iio/adc/stx104.c b/drivers/iio/adc/stx104.c index 2da741d27540..17b021f33180 100644 --- a/drivers/iio/adc/stx104.c +++ b/drivers/iio/adc/stx104.c @@ -172,7 +172,6 @@ static int stx104_write_raw(struct iio_dev *indio_dev, } static const struct iio_info stx104_info = { - .driver_module = THIS_MODULE, .read_raw = stx104_read_raw, .write_raw = stx104_write_raw }; diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index 137f577d9432..04d7147e0110 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -352,7 +352,6 @@ static int sun4i_gpadc_read_raw(struct iio_dev *indio_dev, static const struct iio_info sun4i_gpadc_iio_info = { .read_raw = sun4i_gpadc_read_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t sun4i_gpadc_temp_data_irq_handler(int irq, void *dev_id) @@ -502,17 +501,15 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev, struct iio_dev *indio_dev) { struct sun4i_gpadc_iio *info = iio_priv(indio_dev); - const struct of_device_id *of_dev; struct resource *mem; void __iomem *base; int ret; - of_dev = of_match_device(sun4i_gpadc_of_id, &pdev->dev); - if (!of_dev) + info->data = of_device_get_match_data(&pdev->dev); + if (!info->data) return -ENODEV; info->no_irq = true; - info->data = (struct gpadc_data *)of_dev->data; indio_dev->num_channels = ARRAY_SIZE(sun8i_a33_gpadc_channels); indio_dev->channels = sun8i_a33_gpadc_channels; @@ -529,17 +526,10 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev, return ret; } - if (!IS_ENABLED(CONFIG_THERMAL_OF)) - return 0; + if (IS_ENABLED(CONFIG_THERMAL_OF)) + info->sensor_device = &pdev->dev; - info->sensor_device = &pdev->dev; - info->tzd = thermal_zone_of_sensor_register(info->sensor_device, 0, - info, &sun4i_ts_tz_ops); - if (IS_ERR(info->tzd)) - dev_err(&pdev->dev, "could not register thermal sensor: %ld\n", - PTR_ERR(info->tzd)); - - return PTR_ERR_OR_ZERO(info->tzd); + return 0; } static int sun4i_gpadc_probe_mfd(struct platform_device *pdev, @@ -586,15 +576,6 @@ static int sun4i_gpadc_probe_mfd(struct platform_device *pdev, * return the temperature. */ info->sensor_device = pdev->dev.parent; - info->tzd = thermal_zone_of_sensor_register(info->sensor_device, - 0, info, - &sun4i_ts_tz_ops); - if (IS_ERR(info->tzd)) { - dev_err(&pdev->dev, - "could not register thermal sensor: %ld\n", - PTR_ERR(info->tzd)); - return PTR_ERR(info->tzd); - } } else { indio_dev->num_channels = ARRAY_SIZE(sun4i_gpadc_channels_no_temp); @@ -664,6 +645,22 @@ static int sun4i_gpadc_probe(struct platform_device *pdev) pm_runtime_set_suspended(&pdev->dev); pm_runtime_enable(&pdev->dev); + if (IS_ENABLED(CONFIG_THERMAL_OF)) { + info->tzd = thermal_zone_of_sensor_register(info->sensor_device, + 0, info, + &sun4i_ts_tz_ops); + /* + * Do not fail driver probing when failing to register in + * thermal because no thermal DT node is found. + */ + if (IS_ERR(info->tzd) && PTR_ERR(info->tzd) != -ENODEV) { + dev_err(&pdev->dev, + "could not register thermal sensor: %ld\n", + PTR_ERR(info->tzd)); + return PTR_ERR(info->tzd); + } + } + ret = devm_iio_device_register(&pdev->dev, indio_dev); if (ret < 0) { dev_err(&pdev->dev, "could not register the device\n"); diff --git a/drivers/iio/adc/ti-adc081c.c b/drivers/iio/adc/ti-adc081c.c index 319172cf7da8..405e3779c0c5 100644 --- a/drivers/iio/adc/ti-adc081c.c +++ b/drivers/iio/adc/ti-adc081c.c @@ -124,7 +124,6 @@ static struct adcxx1c_model adcxx1c_models[] = { static const struct iio_info adc081c_info = { .read_raw = adc081c_read_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t adc081c_trigger_handler(int irq, void *p) diff --git a/drivers/iio/adc/ti-adc0832.c b/drivers/iio/adc/ti-adc0832.c index e952e94a14af..188dae705bf7 100644 --- a/drivers/iio/adc/ti-adc0832.c +++ b/drivers/iio/adc/ti-adc0832.c @@ -195,7 +195,6 @@ static int adc0832_read_raw(struct iio_dev *iio, static const struct iio_info adc0832_info = { .read_raw = adc0832_read_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t adc0832_trigger_handler(int irq, void *p) diff --git a/drivers/iio/adc/ti-adc084s021.c b/drivers/iio/adc/ti-adc084s021.c index a355121c11a4..25504640e126 100644 --- a/drivers/iio/adc/ti-adc084s021.c +++ b/drivers/iio/adc/ti-adc084s021.c @@ -186,7 +186,6 @@ static int adc084s021_buffer_postdisable(struct iio_dev *indio_dev) static const struct iio_info adc084s021_info = { .read_raw = adc084s021_read_raw, - .driver_module = THIS_MODULE, }; static const struct iio_buffer_setup_ops adc084s021_buffer_setup_ops = { diff --git a/drivers/iio/adc/ti-adc108s102.c b/drivers/iio/adc/ti-adc108s102.c index de4e5ac98c6e..841203edaac5 100644 --- a/drivers/iio/adc/ti-adc108s102.c +++ b/drivers/iio/adc/ti-adc108s102.c @@ -220,7 +220,6 @@ static int adc108s102_read_raw(struct iio_dev *indio_dev, static const struct iio_info adc108s102_info = { .read_raw = &adc108s102_read_raw, .update_scan_mode = &adc108s102_update_scan_mode, - .driver_module = THIS_MODULE, }; static int adc108s102_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c index 072f03bfe6a0..703d68ae96b7 100644 --- a/drivers/iio/adc/ti-adc12138.c +++ b/drivers/iio/adc/ti-adc12138.c @@ -164,7 +164,7 @@ static int __adc12138_start_conv(struct adc12138 *adc, void *data, int len) { - const u8 ch_to_mux[] = { 0, 4, 1, 5, 2, 6, 3, 7 }; + static const u8 ch_to_mux[] = { 0, 4, 1, 5, 2, 6, 3, 7 }; u8 mode = (ch_to_mux[channel->channel] << 4) | (channel->differential ? 0 : 0x80); @@ -277,7 +277,6 @@ static int adc12138_read_raw(struct iio_dev *iio, static const struct iio_info adc12138_info = { .read_raw = adc12138_read_raw, - .driver_module = THIS_MODULE, }; static int adc12138_init(struct adc12138 *adc) diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c index 89dfbd31be5c..7cf39b3e2416 100644 --- a/drivers/iio/adc/ti-adc128s052.c +++ b/drivers/iio/adc/ti-adc128s052.c @@ -130,7 +130,6 @@ static const struct adc128_configuration adc128_config[] = { static const struct iio_info adc128_info = { .read_raw = adc128_read_raw, - .driver_module = THIS_MODULE, }; static int adc128_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ti-adc161s626.c b/drivers/iio/adc/ti-adc161s626.c index 4836a0d7aef5..10fa7677ac4b 100644 --- a/drivers/iio/adc/ti-adc161s626.c +++ b/drivers/iio/adc/ti-adc161s626.c @@ -173,7 +173,6 @@ static int ti_adc_read_raw(struct iio_dev *indio_dev, } static const struct iio_info ti_adc_info = { - .driver_module = THIS_MODULE, .read_raw = ti_adc_read_raw, }; diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index e0dc20488335..6a114dcb4a3a 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -332,7 +332,7 @@ static int ads1015_set_power_state(struct ads1015_data *data, bool on) static int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val) { - int ret, pga, dr, conv_time; + int ret, pga, dr, dr_old, conv_time; unsigned int old, mask, cfg; if (chan < 0 || chan >= ADS1015_CHANNELS) @@ -358,17 +358,17 @@ int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val) } cfg = (old & ~mask) | (cfg & mask); - - ret = regmap_write(data->regmap, ADS1015_CFG_REG, cfg); - if (ret) - return ret; - - if (old != cfg || data->conv_invalid) { - int dr_old = (old & ADS1015_CFG_DR_MASK) >> - ADS1015_CFG_DR_SHIFT; - + if (old != cfg) { + ret = regmap_write(data->regmap, ADS1015_CFG_REG, cfg); + if (ret) + return ret; + data->conv_invalid = true; + } + if (data->conv_invalid) { + dr_old = (old & ADS1015_CFG_DR_MASK) >> ADS1015_CFG_DR_SHIFT; conv_time = DIV_ROUND_UP(USEC_PER_SEC, data->data_rate[dr_old]); conv_time += DIV_ROUND_UP(USEC_PER_SEC, data->data_rate[dr]); + conv_time += conv_time / 10; /* 10% internal clock inaccuracy */ usleep_range(conv_time, conv_time + 1); data->conv_invalid = false; } @@ -821,7 +821,6 @@ static const struct attribute_group ads1115_attribute_group = { }; static const struct iio_info ads1015_info = { - .driver_module = THIS_MODULE, .read_raw = ads1015_read_raw, .write_raw = ads1015_write_raw, .read_event_value = ads1015_read_event, @@ -832,7 +831,6 @@ static const struct iio_info ads1015_info = { }; static const struct iio_info ads1115_info = { - .driver_module = THIS_MODULE, .read_raw = ads1015_read_raw, .write_raw = ads1015_write_raw, .read_event_value = ads1015_read_event, diff --git a/drivers/iio/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c index a376190914ad..0225c1b333ab 100644 --- a/drivers/iio/adc/ti-ads7950.c +++ b/drivers/iio/adc/ti-ads7950.c @@ -372,7 +372,6 @@ static int ti_ads7950_read_raw(struct iio_dev *indio_dev, static const struct iio_info ti_ads7950_info = { .read_raw = &ti_ads7950_read_raw, .update_scan_mode = ti_ads7950_update_scan_mode, - .driver_module = THIS_MODULE, }; static int ti_ads7950_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ti-ads8688.c b/drivers/iio/adc/ti-ads8688.c index 4a163496d9e4..079f133144b0 100644 --- a/drivers/iio/adc/ti-ads8688.c +++ b/drivers/iio/adc/ti-ads8688.c @@ -369,7 +369,6 @@ static const struct iio_info ads8688_info = { .write_raw = &ads8688_write_raw, .write_raw_get_fmt = &ads8688_write_raw_get_fmt, .attrs = &ads8688_attribute_group, - .driver_module = THIS_MODULE, }; static const struct ads8688_chip_info ads8688_chip_info_tbl[] = { @@ -474,7 +473,6 @@ MODULE_DEVICE_TABLE(of, ads8688_of_match); static struct spi_driver ads8688_driver = { .driver = { .name = "ads8688", - .owner = THIS_MODULE, }, .probe = ads8688_probe, .remove = ads8688_remove, diff --git a/drivers/iio/adc/ti-tlc4541.c b/drivers/iio/adc/ti-tlc4541.c index 78d91a069ea4..2290024c89fc 100644 --- a/drivers/iio/adc/ti-tlc4541.c +++ b/drivers/iio/adc/ti-tlc4541.c @@ -157,7 +157,6 @@ static int tlc4541_read_raw(struct iio_dev *indio_dev, static const struct iio_info tlc4541_info = { .read_raw = &tlc4541_read_raw, - .driver_module = THIS_MODULE, }; static int tlc4541_probe(struct spi_device *spi) diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 6cbed7eb118a..b3e573cc6f5f 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -533,7 +533,6 @@ err_unlock: static const struct iio_info tiadc_info = { .read_raw = &tiadc_read_raw, - .driver_module = THIS_MODULE, }; static int tiadc_request_dma(struct platform_device *pdev, diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index e3cfb91bffc6..8c019bb6625f 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -212,7 +212,6 @@ static int twl4030_madc_read(struct iio_dev *iio_dev, static const struct iio_info twl4030_madc_iio_info = { .read_raw = &twl4030_madc_read, - .driver_module = THIS_MODULE, }; #define TWL4030_ADC_CHANNEL(_channel, _type, _name) { \ diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c index bc0e60b9da45..dc83f8f6c3d3 100644 --- a/drivers/iio/adc/twl6030-gpadc.c +++ b/drivers/iio/adc/twl6030-gpadc.c @@ -843,7 +843,6 @@ static const struct iio_chan_spec twl6032_gpadc_iio_channels[] = { static const struct iio_info twl6030_gpadc_iio_info = { .read_raw = &twl6030_gpadc_read_raw, - .driver_module = THIS_MODULE, }; static const struct twl6030_gpadc_platform_data twl6030_pdata = { diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c index c168e0db329a..bbcb7a4d7edf 100644 --- a/drivers/iio/adc/vf610_adc.c +++ b/drivers/iio/adc/vf610_adc.c @@ -799,7 +799,6 @@ static int vf610_adc_reg_access(struct iio_dev *indio_dev, } static const struct iio_info vf610_adc_iio_info = { - .driver_module = THIS_MODULE, .read_raw = &vf610_read_raw, .write_raw = &vf610_write_raw, .debugfs_reg_access = &vf610_adc_reg_access, diff --git a/drivers/iio/adc/viperboard_adc.c b/drivers/iio/adc/viperboard_adc.c index 3be2e35721cc..53eb5a4136fe 100644 --- a/drivers/iio/adc/viperboard_adc.c +++ b/drivers/iio/adc/viperboard_adc.c @@ -107,7 +107,6 @@ error: static const struct iio_info vprbrd_adc_iio_info = { .read_raw = &vprbrd_iio_read_raw, - .driver_module = THIS_MODULE, }; static int vprbrd_adc_probe(struct platform_device *pdev) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index 4a60497a1f19..d4f21d1be6c8 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -675,7 +675,6 @@ err_out: } static const struct iio_trigger_ops xadc_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &xadc_trigger_set_state, }; @@ -1028,7 +1027,6 @@ static const struct iio_info xadc_info = { .read_event_value = &xadc_read_event_value, .write_event_value = &xadc_write_event_value, .update_scan_mode = &xadc_update_scan_mode, - .driver_module = THIS_MODULE, }; static const struct of_device_id xadc_of_match_table[] = { diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index 102c7174da5b..43667866321e 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -117,7 +117,6 @@ static int ad8366_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad8366_info = { .read_raw = &ad8366_read_raw, .write_raw = &ad8366_write_raw, - .driver_module = THIS_MODULE, }; #define AD8366_CHAN(_channel) { \ diff --git a/drivers/iio/buffer/Makefile b/drivers/iio/buffer/Makefile index 85beaae831ae..95f9f41c58b7 100644 --- a/drivers/iio/buffer/Makefile +++ b/drivers/iio/buffer/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the industrial I/O buffer implementations # diff --git a/drivers/iio/chemical/ams-iaq-core.c b/drivers/iio/chemical/ams-iaq-core.c index c948ad2ee9ad..d9e5950ad24a 100644 --- a/drivers/iio/chemical/ams-iaq-core.c +++ b/drivers/iio/chemical/ams-iaq-core.c @@ -141,7 +141,6 @@ err_out: static const struct iio_info ams_iaqcore_info = { .read_raw = ams_iaqcore_read_raw, - .driver_module = THIS_MODULE, }; static int ams_iaqcore_probe(struct i2c_client *client, diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c index ef761a508630..8c4e05580091 100644 --- a/drivers/iio/chemical/atlas-ph-sensor.c +++ b/drivers/iio/chemical/atlas-ph-sensor.c @@ -344,7 +344,6 @@ static int atlas_buffer_predisable(struct iio_dev *indio_dev) } static const struct iio_trigger_ops atlas_interrupt_trigger_ops = { - .owner = THIS_MODULE, }; static const struct iio_buffer_setup_ops atlas_buffer_setup_ops = { @@ -499,7 +498,6 @@ static int atlas_write_raw(struct iio_dev *indio_dev, } static const struct iio_info atlas_info = { - .driver_module = THIS_MODULE, .read_raw = atlas_read_raw, .write_raw = atlas_write_raw, }; diff --git a/drivers/iio/chemical/ccs811.c b/drivers/iio/chemical/ccs811.c index 840a6cbd5f0f..97bce8345c6a 100644 --- a/drivers/iio/chemical/ccs811.c +++ b/drivers/iio/chemical/ccs811.c @@ -22,6 +22,7 @@ #include <linux/i2c.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> +#include <linux/iio/trigger.h> #include <linux/iio/triggered_buffer.h> #include <linux/iio/trigger_consumer.h> #include <linux/module.h> @@ -59,6 +60,8 @@ #define CCS811_MODE_IAQ_60SEC 0x30 #define CCS811_MODE_RAW_DATA 0x40 +#define CCS811_MEAS_MODE_INTERRUPT BIT(3) + #define CCS811_VOLTAGE_MASK 0x3FF struct ccs811_reading { @@ -73,6 +76,8 @@ struct ccs811_data { struct i2c_client *client; struct mutex lock; /* Protect readings */ struct ccs811_reading buffer; + struct iio_trigger *drdy_trig; + bool drdy_trig_on; }; static const struct iio_chan_spec ccs811_channels[] = { @@ -193,10 +198,14 @@ static int ccs811_read_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_RAW: + ret = iio_device_claim_direct_mode(indio_dev); + if (ret) + return ret; mutex_lock(&data->lock); ret = ccs811_get_measurement(data); if (ret < 0) { mutex_unlock(&data->lock); + iio_device_release_direct_mode(indio_dev); return ret; } @@ -228,6 +237,7 @@ static int ccs811_read_raw(struct iio_dev *indio_dev, ret = -EINVAL; } mutex_unlock(&data->lock); + iio_device_release_direct_mode(indio_dev); return ret; @@ -270,7 +280,31 @@ static int ccs811_read_raw(struct iio_dev *indio_dev, static const struct iio_info ccs811_info = { .read_raw = ccs811_read_raw, - .driver_module = THIS_MODULE, +}; + +static int ccs811_set_trigger_state(struct iio_trigger *trig, + bool state) +{ + struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig); + struct ccs811_data *data = iio_priv(indio_dev); + int ret; + + ret = i2c_smbus_read_byte_data(data->client, CCS811_MEAS_MODE); + if (ret < 0) + return ret; + + if (state) + ret |= CCS811_MEAS_MODE_INTERRUPT; + else + ret &= ~CCS811_MEAS_MODE_INTERRUPT; + + data->drdy_trig_on = state; + + return i2c_smbus_write_byte_data(data->client, CCS811_MEAS_MODE, ret); +} + +static const struct iio_trigger_ops ccs811_trigger_ops = { + .set_trigger_state = ccs811_set_trigger_state, }; static irqreturn_t ccs811_trigger_handler(int irq, void *p) @@ -298,6 +332,17 @@ err: return IRQ_HANDLED; } +static irqreturn_t ccs811_data_rdy_trigger_poll(int irq, void *private) +{ + struct iio_dev *indio_dev = private; + struct ccs811_data *data = iio_priv(indio_dev); + + if (data->drdy_trig_on) + iio_trigger_poll(data->drdy_trig); + + return IRQ_HANDLED; +} + static int ccs811_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -346,16 +391,48 @@ static int ccs811_probe(struct i2c_client *client, indio_dev->dev.parent = &client->dev; indio_dev->name = id->name; indio_dev->info = &ccs811_info; + indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = ccs811_channels; indio_dev->num_channels = ARRAY_SIZE(ccs811_channels); + if (client->irq > 0) { + ret = devm_request_threaded_irq(&client->dev, client->irq, + ccs811_data_rdy_trigger_poll, + NULL, + IRQF_TRIGGER_FALLING | + IRQF_ONESHOT, + "ccs811_irq", indio_dev); + if (ret) { + dev_err(&client->dev, "irq request error %d\n", -ret); + goto err_poweroff; + } + + data->drdy_trig = devm_iio_trigger_alloc(&client->dev, + "%s-dev%d", + indio_dev->name, + indio_dev->id); + if (!data->drdy_trig) { + ret = -ENOMEM; + goto err_poweroff; + } + + data->drdy_trig->dev.parent = &client->dev; + data->drdy_trig->ops = &ccs811_trigger_ops; + iio_trigger_set_drvdata(data->drdy_trig, indio_dev); + indio_dev->trig = data->drdy_trig; + iio_trigger_get(indio_dev->trig); + ret = iio_trigger_register(data->drdy_trig); + if (ret) + goto err_poweroff; + } + ret = iio_triggered_buffer_setup(indio_dev, NULL, ccs811_trigger_handler, NULL); if (ret < 0) { dev_err(&client->dev, "triggered buffer setup failed\n"); - goto err_poweroff; + goto err_trigger_unregister; } ret = iio_device_register(indio_dev); @@ -367,6 +444,9 @@ static int ccs811_probe(struct i2c_client *client, err_buffer_cleanup: iio_triggered_buffer_cleanup(indio_dev); +err_trigger_unregister: + if (data->drdy_trig) + iio_trigger_unregister(data->drdy_trig); err_poweroff: i2c_smbus_write_byte_data(client, CCS811_MEAS_MODE, CCS811_MODE_IDLE); @@ -376,9 +456,12 @@ err_poweroff: static int ccs811_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct ccs811_data *data = iio_priv(indio_dev); iio_device_unregister(indio_dev); iio_triggered_buffer_cleanup(indio_dev); + if (data->drdy_trig) + iio_trigger_unregister(data->drdy_trig); return i2c_smbus_write_byte_data(client, CCS811_MEAS_MODE, CCS811_MODE_IDLE); diff --git a/drivers/iio/chemical/vz89x.c b/drivers/iio/chemical/vz89x.c index f75eea6822f2..9c9095ba4227 100644 --- a/drivers/iio/chemical/vz89x.c +++ b/drivers/iio/chemical/vz89x.c @@ -326,7 +326,6 @@ static int vz89x_read_raw(struct iio_dev *indio_dev, static const struct iio_info vz89x_info = { .attrs = &vz89x_attrs_group, .read_raw = vz89x_read_raw, - .driver_module = THIS_MODULE, }; static const struct vz89x_chip_data vz89x_chips[] = { diff --git a/drivers/iio/common/Makefile b/drivers/iio/common/Makefile index 6fa760e1bdd5..4bc30bb548e2 100644 --- a/drivers/iio/common/Makefile +++ b/drivers/iio/common/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the IIO common modules. # Common modules contains modules, which can be shared among multiple diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c index 38e8783e4b05..ed8063f2da99 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c @@ -185,7 +185,6 @@ static int cros_ec_sensors_write(struct iio_dev *indio_dev, static const struct iio_info ec_sensors_info = { .read_raw = &cros_ec_sensors_read, .write_raw = &cros_ec_sensors_write, - .driver_module = THIS_MODULE, }; static int cros_ec_sensors_probe(struct platform_device *pdev) diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 0e4b379ada45..cfb6588565ba 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -179,6 +179,10 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state) int ret; atomic_set(&st->user_requested_state, state); + + if (atomic_add_unless(&st->runtime_pm_enable, 1, 1)) + pm_runtime_enable(&st->pdev->dev); + if (state) ret = pm_runtime_get_sync(&st->pdev->dev); else { @@ -221,7 +225,8 @@ static void hid_sensor_set_power_work(struct work_struct *work) if (attrb->latency_ms > 0) hid_sensor_set_report_latency(attrb, attrb->latency_ms); - _hid_sensor_power_state(attrb, true); + if (atomic_read(&attrb->user_requested_state)) + _hid_sensor_power_state(attrb, true); } static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, @@ -232,7 +237,9 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, void hid_sensor_remove_trigger(struct hid_sensor_common *attrb) { - pm_runtime_disable(&attrb->pdev->dev); + if (atomic_read(&attrb->runtime_pm_enable)) + pm_runtime_disable(&attrb->pdev->dev); + pm_runtime_set_suspended(&attrb->pdev->dev); pm_runtime_put_noidle(&attrb->pdev->dev); @@ -243,7 +250,6 @@ void hid_sensor_remove_trigger(struct hid_sensor_common *attrb) EXPORT_SYMBOL(hid_sensor_remove_trigger); static const struct iio_trigger_ops hid_sensor_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &hid_sensor_data_rdy_trigger_set_state, }; @@ -283,7 +289,6 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name, INIT_WORK(&attrb->work, hid_sensor_set_power_work); pm_suspend_ignore_children(&attrb->pdev->dev, true); - pm_runtime_enable(&attrb->pdev->dev); /* Default to 3 seconds, but can be changed from sysfs */ pm_runtime_set_autosuspend_delay(&attrb->pdev->dev, 3000); diff --git a/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h b/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h index 541c6590d69c..4528ab55eb68 100644 --- a/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h +++ b/drivers/iio/common/ssp_sensors/ssp_iio_sensor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SSP_IIO_SENSOR_H__ #define __SSP_IIO_SENSOR_H__ diff --git a/drivers/iio/common/st_sensors/Makefile b/drivers/iio/common/st_sensors/Makefile index 9f3e24f3024b..f7fb3b79b64c 100644 --- a/drivers/iio/common/st_sensors/Makefile +++ b/drivers/iio/common/st_sensors/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the STMicroelectronics sensor common modules. # diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 02e833b14db0..57db19182e95 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -93,6 +93,9 @@ int st_sensors_set_odr(struct iio_dev *indio_dev, unsigned int odr) struct st_sensor_odr_avl odr_out = {0, 0}; struct st_sensor_data *sdata = iio_priv(indio_dev); + if (!sdata->sensor_settings->odr.addr) + return 0; + err = st_sensors_match_odr(sdata->sensor_settings, odr, &odr_out); if (err < 0) goto st_sensors_match_odr_error; @@ -221,11 +224,14 @@ EXPORT_SYMBOL(st_sensors_set_enable); int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable) { struct st_sensor_data *sdata = iio_priv(indio_dev); + int err = 0; - return st_sensors_write_data_with_mask(indio_dev, + if (sdata->sensor_settings->enable_axis.addr) + err = st_sensors_write_data_with_mask(indio_dev, sdata->sensor_settings->enable_axis.addr, sdata->sensor_settings->enable_axis.mask, axis_enable); + return err; } EXPORT_SYMBOL(st_sensors_set_axis_enable); @@ -283,7 +289,8 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev, struct st_sensor_data *sdata = iio_priv(indio_dev); /* Sensor does not support interrupts */ - if (sdata->sensor_settings->drdy_irq.addr == 0) { + if (!sdata->sensor_settings->drdy_irq.int1.addr && + !sdata->sensor_settings->drdy_irq.int2.addr) { if (pdata->drdy_int_pin) dev_info(&indio_dev->dev, "DRDY on pin INT%d specified, but sensor " @@ -294,7 +301,7 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev, switch (pdata->drdy_int_pin) { case 1: - if (sdata->sensor_settings->drdy_irq.mask_int1 == 0) { + if (!sdata->sensor_settings->drdy_irq.int1.mask) { dev_err(&indio_dev->dev, "DRDY on INT1 not available.\n"); return -EINVAL; @@ -302,7 +309,7 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev, sdata->drdy_int_pin = 1; break; case 2: - if (sdata->sensor_settings->drdy_irq.mask_int2 == 0) { + if (!sdata->sensor_settings->drdy_irq.int2.mask) { dev_err(&indio_dev->dev, "DRDY on INT2 not available.\n"); return -EINVAL; @@ -315,7 +322,8 @@ static int st_sensors_set_drdy_int_pin(struct iio_dev *indio_dev, } if (pdata->open_drain) { - if (!sdata->sensor_settings->drdy_irq.addr_od) + if (!sdata->sensor_settings->drdy_irq.int1.addr_od && + !sdata->sensor_settings->drdy_irq.int2.addr_od) dev_err(&indio_dev->dev, "open drain requested but unsupported.\n"); else @@ -442,11 +450,21 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev, } if (sdata->int_pin_open_drain) { + u8 addr, mask; + + if (sdata->drdy_int_pin == 1) { + addr = sdata->sensor_settings->drdy_irq.int1.addr_od; + mask = sdata->sensor_settings->drdy_irq.int1.mask_od; + } else { + addr = sdata->sensor_settings->drdy_irq.int2.addr_od; + mask = sdata->sensor_settings->drdy_irq.int2.mask_od; + } + dev_info(&indio_dev->dev, - "set interrupt line to open drain mode\n"); - err = st_sensors_write_data_with_mask(indio_dev, - sdata->sensor_settings->drdy_irq.addr_od, - sdata->sensor_settings->drdy_irq.mask_od, 1); + "set interrupt line to open drain mode on pin %d\n", + sdata->drdy_int_pin); + err = st_sensors_write_data_with_mask(indio_dev, addr, + mask, 1); if (err < 0) return err; } @@ -460,17 +478,18 @@ EXPORT_SYMBOL(st_sensors_init_sensor); int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable) { int err; - u8 drdy_mask; + u8 drdy_addr, drdy_mask; struct st_sensor_data *sdata = iio_priv(indio_dev); - if (!sdata->sensor_settings->drdy_irq.addr) { + if (!sdata->sensor_settings->drdy_irq.int1.addr && + !sdata->sensor_settings->drdy_irq.int2.addr) { /* * there are some devices (e.g. LIS3MDL) where drdy line is * routed to a given pin and it is not possible to select a * different one. Take into account irq status register * to understand if irq trigger can be properly supported */ - if (sdata->sensor_settings->drdy_irq.addr_stat_drdy) + if (sdata->sensor_settings->drdy_irq.stat_drdy.addr) sdata->hw_irq_trigger = enable; return 0; } @@ -485,18 +504,20 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable) goto st_accel_set_dataready_irq_error; } - if (sdata->drdy_int_pin == 1) - drdy_mask = sdata->sensor_settings->drdy_irq.mask_int1; - else - drdy_mask = sdata->sensor_settings->drdy_irq.mask_int2; + if (sdata->drdy_int_pin == 1) { + drdy_addr = sdata->sensor_settings->drdy_irq.int1.addr; + drdy_mask = sdata->sensor_settings->drdy_irq.int1.mask; + } else { + drdy_addr = sdata->sensor_settings->drdy_irq.int2.addr; + drdy_mask = sdata->sensor_settings->drdy_irq.int2.mask; + } /* Flag to the poll function that the hardware trigger is in use */ sdata->hw_irq_trigger = enable; /* Enable/Disable the interrupt generator for data ready. */ - err = st_sensors_write_data_with_mask(indio_dev, - sdata->sensor_settings->drdy_irq.addr, - drdy_mask, (int)enable); + err = st_sensors_write_data_with_mask(indio_dev, drdy_addr, + drdy_mask, (int)enable); st_accel_set_dataready_irq_error: return err; diff --git a/drivers/iio/common/st_sensors/st_sensors_core.h b/drivers/iio/common/st_sensors/st_sensors_core.h index cd88098ff6f1..e8894be55660 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.h +++ b/drivers/iio/common/st_sensors/st_sensors_core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Local functions in the ST Sensors core */ diff --git a/drivers/iio/common/st_sensors/st_sensors_trigger.c b/drivers/iio/common/st_sensors/st_sensors_trigger.c index fa73e6795359..fdcc5a891958 100644 --- a/drivers/iio/common/st_sensors/st_sensors_trigger.c +++ b/drivers/iio/common/st_sensors/st_sensors_trigger.c @@ -31,7 +31,7 @@ static int st_sensors_new_samples_available(struct iio_dev *indio_dev, int ret; /* How would I know if I can't check it? */ - if (!sdata->sensor_settings->drdy_irq.addr_stat_drdy) + if (!sdata->sensor_settings->drdy_irq.stat_drdy.addr) return -EINVAL; /* No scan mask, no interrupt */ @@ -39,23 +39,15 @@ static int st_sensors_new_samples_available(struct iio_dev *indio_dev, return 0; ret = sdata->tf->read_byte(&sdata->tb, sdata->dev, - sdata->sensor_settings->drdy_irq.addr_stat_drdy, + sdata->sensor_settings->drdy_irq.stat_drdy.addr, &status); if (ret < 0) { dev_err(sdata->dev, "error checking samples available\n"); return ret; } - /* - * the lower bits of .active_scan_mask[0] is directly mapped - * to the channels on the sensor: either bit 0 for - * one-dimensional sensors, or e.g. x,y,z for accelerometers, - * gyroscopes or magnetometers. No sensor use more than 3 - * channels, so cut the other status bits here. - */ - status &= 0x07; - if (status & (u8)indio_dev->active_scan_mask[0]) + if (status & sdata->sensor_settings->drdy_irq.stat_drdy.mask) return 1; return 0; @@ -212,7 +204,7 @@ int st_sensors_allocate_trigger(struct iio_dev *indio_dev, * it was "our" interrupt. */ if (sdata->int_pin_open_drain && - sdata->sensor_settings->drdy_irq.addr_stat_drdy) + sdata->sensor_settings->drdy_irq.stat_drdy.addr) irq_trig |= IRQF_SHARED; err = request_threaded_irq(sdata->get_irq_data_ready(indio_dev), diff --git a/drivers/iio/counter/104-quad-8.c b/drivers/iio/counter/104-quad-8.c index ba3d9030cd51..b56985078d8c 100644 --- a/drivers/iio/counter/104-quad-8.c +++ b/drivers/iio/counter/104-quad-8.c @@ -185,7 +185,6 @@ static int quad8_write_raw(struct iio_dev *indio_dev, } static const struct iio_info quad8_info = { - .driver_module = THIS_MODULE, .read_raw = quad8_read_raw, .write_raw = quad8_write_raw }; diff --git a/drivers/iio/counter/stm32-lptimer-cnt.c b/drivers/iio/counter/stm32-lptimer-cnt.c index 1c5909bb1605..81ae5f74216d 100644 --- a/drivers/iio/counter/stm32-lptimer-cnt.c +++ b/drivers/iio/counter/stm32-lptimer-cnt.c @@ -178,7 +178,6 @@ static int stm32_lptim_read_raw(struct iio_dev *indio_dev, static const struct iio_info stm32_lptim_cnt_iio_info = { .read_raw = stm32_lptim_read_raw, .write_raw = stm32_lptim_write_raw, - .driver_module = THIS_MODULE, }; static const char *const stm32_lptim_quadrature_modes[] = { diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index 25bed2d7d2b9..965d5c0d2468 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -60,7 +60,8 @@ config AD5446 Say yes here to build support for Analog Devices AD5300, AD5301, AD5310, AD5311, AD5320, AD5321, AD5444, AD5446, AD5450, AD5451, AD5452, AD5453, AD5512A, AD5541A, AD5542A, AD5543, AD5553, AD5601, AD5602, AD5611, AD5612, - AD5620, AD5621, AD5622, AD5640, AD5641, AD5660, AD5662 DACs. + AD5620, AD5621, AD5622, AD5640, AD5641, AD5660, AD5662 DACs + as well as Texas Instruments DAC081S101, DAC101S101, DAC121S101. To compile this driver as a module, choose M here: the module will be called ad5446. @@ -221,6 +222,15 @@ config DPOT_DAC To compile this driver as a module, choose M here: the module will be called dpot-dac. +config DS4424 + tristate "Maxim Integrated DS4422/DS4424 DAC driver" + depends on I2C + help + If you say yes here you get support for Maxim chips DS4422, DS4424. + + This driver can also be built as a module. If so, the module + will be called ds4424. + config LPC18XX_DAC tristate "NXP LPC18xx DAC driver" depends on ARCH_LPC18XX || COMPILE_TEST @@ -300,6 +310,16 @@ config STM32_DAC config STM32_DAC_CORE tristate +config TI_DAC082S085 + tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver" + depends on SPI_MASTER + help + Driver for the Texas Instruments (formerly National Semiconductor) + DAC082S085, DAC102S085, DAC122S085, DAC084S085, DAC104S085 and + DAC124S085. + + If compiled as a module, it will be called ti-dac082s085. + config VF610_DAC tristate "Vybrid vf610 DAC driver" depends on OF diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile index 603587cc2f07..81e710ed7491 100644 --- a/drivers/iio/dac/Makefile +++ b/drivers/iio/dac/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O DAC drivers # @@ -23,6 +24,7 @@ obj-$(CONFIG_AD7303) += ad7303.o obj-$(CONFIG_AD8801) += ad8801.o obj-$(CONFIG_CIO_DAC) += cio-dac.o obj-$(CONFIG_DPOT_DAC) += dpot-dac.o +obj-$(CONFIG_DS4424) += ds4424.o obj-$(CONFIG_LPC18XX_DAC) += lpc18xx_dac.o obj-$(CONFIG_LTC2632) += ltc2632.o obj-$(CONFIG_M62332) += m62332.o @@ -32,4 +34,5 @@ obj-$(CONFIG_MCP4725) += mcp4725.o obj-$(CONFIG_MCP4922) += mcp4922.o obj-$(CONFIG_STM32_DAC_CORE) += stm32-dac-core.o obj-$(CONFIG_STM32_DAC) += stm32-dac.o +obj-$(CONFIG_TI_DAC082S085) += ti-dac082s085.o obj-$(CONFIG_VF610_DAC) += vf610_dac.o diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index 3f9399c27869..bf4fc40ec84d 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -366,7 +366,6 @@ static int ad5064_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5064_info = { .read_raw = ad5064_read_raw, .write_raw = ad5064_write_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ad5064_ext_info[] = { diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c index 8ba0e9c50176..0209316d5566 100644 --- a/drivers/iio/dac/ad5360.c +++ b/drivers/iio/dac/ad5360.c @@ -425,7 +425,6 @@ static const struct iio_info ad5360_info = { .read_raw = ad5360_read_raw, .write_raw = ad5360_write_raw, .attrs = &ad5360_attribute_group, - .driver_module = THIS_MODULE, }; static const char * const ad5360_vref_name[] = { diff --git a/drivers/iio/dac/ad5380.c b/drivers/iio/dac/ad5380.c index 97d2c5111f43..845fd1c0fd9d 100644 --- a/drivers/iio/dac/ad5380.c +++ b/drivers/iio/dac/ad5380.c @@ -237,7 +237,6 @@ static int ad5380_read_raw(struct iio_dev *indio_dev, static const struct iio_info ad5380_info = { .read_raw = ad5380_read_raw, .write_raw = ad5380_write_raw, - .driver_module = THIS_MODULE, }; static struct iio_chan_spec_ext_info ad5380_ext_info[] = { diff --git a/drivers/iio/dac/ad5421.c b/drivers/iio/dac/ad5421.c index 559061ab1982..8e9633d8de67 100644 --- a/drivers/iio/dac/ad5421.c +++ b/drivers/iio/dac/ad5421.c @@ -465,7 +465,6 @@ static const struct iio_info ad5421_info = { .read_event_config = ad5421_read_event_config, .write_event_config = ad5421_write_event_config, .read_event_value = ad5421_read_event_value, - .driver_module = THIS_MODULE, }; static int ad5421_probe(struct spi_device *spi) diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index b555552a0d80..fd26a4272fc5 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -212,7 +212,6 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5446_info = { .read_raw = ad5446_read_raw, .write_raw = ad5446_write_raw, - .driver_module = THIS_MODULE, }; static int ad5446_probe(struct device *dev, const char *name, @@ -461,10 +460,22 @@ static const struct spi_device_id ad5446_spi_ids[] = { {"ad5660-2500", ID_AD5660_2500}, {"ad5660-1250", ID_AD5660_1250}, {"ad5662", ID_AD5662}, + {"dac081s101", ID_AD5300}, /* compatible Texas Instruments chips */ + {"dac101s101", ID_AD5310}, + {"dac121s101", ID_AD5320}, + {"dac7512", ID_AD5320}, {} }; MODULE_DEVICE_TABLE(spi, ad5446_spi_ids); +#ifdef CONFIG_OF +static const struct of_device_id ad5446_of_ids[] = { + { .compatible = "ti,dac7512" }, + { } +}; +MODULE_DEVICE_TABLE(of, ad5446_of_ids); +#endif + static int ad5446_spi_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); @@ -481,6 +492,7 @@ static int ad5446_spi_remove(struct spi_device *spi) static struct spi_driver ad5446_spi_driver = { .driver = { .name = "ad5446", + .of_match_table = of_match_ptr(ad5446_of_ids), }, .probe = ad5446_spi_probe, .remove = ad5446_spi_remove, diff --git a/drivers/iio/dac/ad5449.c b/drivers/iio/dac/ad5449.c index 5f3202339420..317a74129932 100644 --- a/drivers/iio/dac/ad5449.c +++ b/drivers/iio/dac/ad5449.c @@ -193,7 +193,6 @@ static int ad5449_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5449_info = { .read_raw = ad5449_read_raw, .write_raw = ad5449_write_raw, - .driver_module = THIS_MODULE, }; #define AD5449_CHANNEL(chan, bits) { \ diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index 712d86b4be09..d9037ea59168 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -232,7 +232,6 @@ static const struct iio_info ad5504_info = { .write_raw = ad5504_write_raw, .read_raw = ad5504_read_raw, .event_attrs = &ad5504_ev_attribute_group, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ad5504_ext_info[] = { diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c index 69bde5909854..9234c6a09a93 100644 --- a/drivers/iio/dac/ad5592r-base.c +++ b/drivers/iio/dac/ad5592r-base.c @@ -474,7 +474,6 @@ static const struct iio_info ad5592r_info = { .read_raw = ad5592r_read_raw, .write_raw = ad5592r_write_raw, .write_raw_get_fmt = ad5592r_write_raw_get_fmt, - .driver_module = THIS_MODULE, }; static ssize_t ad5592r_show_scale_available(struct iio_dev *iio_dev, diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index 5489ec43b95d..13fdb4dfe356 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -149,7 +149,6 @@ static ssize_t ad5624r_write_dac_powerdown(struct iio_dev *indio_dev, static const struct iio_info ad5624r_info = { .write_raw = ad5624r_write_raw, .read_raw = ad5624r_read_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ad5624r_ext_info[] = { diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c index d1d8450c19f6..20254df7f9c7 100644 --- a/drivers/iio/dac/ad5686.c +++ b/drivers/iio/dac/ad5686.c @@ -252,7 +252,6 @@ static int ad5686_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5686_info = { .read_raw = ad5686_read_raw, .write_raw = ad5686_write_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ad5686_ext_info[] = { diff --git a/drivers/iio/dac/ad5755.c b/drivers/iio/dac/ad5755.c index 5f7968232564..2d03cc89ba50 100644 --- a/drivers/iio/dac/ad5755.c +++ b/drivers/iio/dac/ad5755.c @@ -417,7 +417,6 @@ static ssize_t ad5755_write_powerdown(struct iio_dev *indio_dev, uintptr_t priv, static const struct iio_info ad5755_info = { .read_raw = ad5755_read_raw, .write_raw = ad5755_write_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ad5755_ext_info[] = { diff --git a/drivers/iio/dac/ad5761.c b/drivers/iio/dac/ad5761.c index d6510d6928b3..05017c8bbd00 100644 --- a/drivers/iio/dac/ad5761.c +++ b/drivers/iio/dac/ad5761.c @@ -251,7 +251,6 @@ static int ad5761_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5761_info = { .read_raw = &ad5761_read_raw, .write_raw = &ad5761_write_raw, - .driver_module = THIS_MODULE, }; #define AD5761_CHAN(_bits) { \ diff --git a/drivers/iio/dac/ad5764.c b/drivers/iio/dac/ad5764.c index 9a547bbf7d2b..033f20eca616 100644 --- a/drivers/iio/dac/ad5764.c +++ b/drivers/iio/dac/ad5764.c @@ -268,7 +268,6 @@ static int ad5764_read_raw(struct iio_dev *indio_dev, static const struct iio_info ad5764_info = { .read_raw = ad5764_read_raw, .write_raw = ad5764_write_raw, - .driver_module = THIS_MODULE, }; static int ad5764_probe(struct spi_device *spi) diff --git a/drivers/iio/dac/ad5791.c b/drivers/iio/dac/ad5791.c index 33e4ae5c42f8..7569bf6868c2 100644 --- a/drivers/iio/dac/ad5791.c +++ b/drivers/iio/dac/ad5791.c @@ -340,7 +340,6 @@ static int ad5791_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad5791_info = { .read_raw = &ad5791_read_raw, .write_raw = &ad5791_write_raw, - .driver_module = THIS_MODULE, }; static int ad5791_probe(struct spi_device *spi) diff --git a/drivers/iio/dac/ad7303.c b/drivers/iio/dac/ad7303.c index 4b0f942b8914..8f3bd19b6dc3 100644 --- a/drivers/iio/dac/ad7303.c +++ b/drivers/iio/dac/ad7303.c @@ -161,7 +161,6 @@ static int ad7303_write_raw(struct iio_dev *indio_dev, static const struct iio_info ad7303_info = { .read_raw = ad7303_read_raw, .write_raw = ad7303_write_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ad7303_ext_info[] = { diff --git a/drivers/iio/dac/ad8801.c b/drivers/iio/dac/ad8801.c index f06faa1aec09..aef5808c9865 100644 --- a/drivers/iio/dac/ad8801.c +++ b/drivers/iio/dac/ad8801.c @@ -92,7 +92,6 @@ static int ad8801_read_raw(struct iio_dev *indio_dev, static const struct iio_info ad8801_info = { .read_raw = ad8801_read_raw, .write_raw = ad8801_write_raw, - .driver_module = THIS_MODULE, }; #define AD8801_CHANNEL(chan) { \ diff --git a/drivers/iio/dac/cio-dac.c b/drivers/iio/dac/cio-dac.c index a8dffd938615..6898b0c79013 100644 --- a/drivers/iio/dac/cio-dac.c +++ b/drivers/iio/dac/cio-dac.c @@ -85,7 +85,6 @@ static int cio_dac_write_raw(struct iio_dev *indio_dev, } static const struct iio_info cio_dac_info = { - .driver_module = THIS_MODULE, .read_raw = cio_dac_read_raw, .write_raw = cio_dac_write_raw }; diff --git a/drivers/iio/dac/dpot-dac.c b/drivers/iio/dac/dpot-dac.c index 960a2b430480..aaa2103d7c2b 100644 --- a/drivers/iio/dac/dpot-dac.c +++ b/drivers/iio/dac/dpot-dac.c @@ -128,7 +128,6 @@ static const struct iio_info dpot_dac_info = { .read_raw = dpot_dac_read_raw, .read_avail = dpot_dac_read_avail, .write_raw = dpot_dac_write_raw, - .driver_module = THIS_MODULE, }; static int dpot_dac_channel_max_ohms(struct iio_dev *indio_dev) diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c new file mode 100644 index 000000000000..883a47562055 --- /dev/null +++ b/drivers/iio/dac/ds4424.c @@ -0,0 +1,341 @@ +/* + * Maxim Integrated + * 7-bit, Multi-Channel Sink/Source Current DAC Driver + * Copyright (C) 2017 Maxim Integrated + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/regulator/consumer.h> +#include <linux/err.h> +#include <linux/delay.h> +#include <linux/iio/iio.h> +#include <linux/iio/driver.h> +#include <linux/iio/machine.h> +#include <linux/iio/consumer.h> + +#define DS4422_MAX_DAC_CHANNELS 2 +#define DS4424_MAX_DAC_CHANNELS 4 + +#define DS4424_DAC_ADDR(chan) ((chan) + 0xf8) +#define DS4424_SOURCE_I 1 +#define DS4424_SINK_I 0 + +#define DS4424_CHANNEL(chan) { \ + .type = IIO_CURRENT, \ + .indexed = 1, \ + .output = 1, \ + .channel = chan, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ +} + +/* + * DS4424 DAC control register 8 bits + * [7] 0: to sink; 1: to source + * [6:0] steps to sink/source + * bit[7] looks like a sign bit, but the value of the register is + * not a two's complement code considering the bit[6:0] is a absolute + * distance from the zero point. + */ +union ds4424_raw_data { + struct { + u8 dx:7; + u8 source_bit:1; + }; + u8 bits; +}; + +enum ds4424_device_ids { + ID_DS4422, + ID_DS4424, +}; + +struct ds4424_data { + struct i2c_client *client; + struct mutex lock; + uint8_t save[DS4424_MAX_DAC_CHANNELS]; + struct regulator *vcc_reg; + uint8_t raw[DS4424_MAX_DAC_CHANNELS]; +}; + +static const struct iio_chan_spec ds4424_channels[] = { + DS4424_CHANNEL(0), + DS4424_CHANNEL(1), + DS4424_CHANNEL(2), + DS4424_CHANNEL(3), +}; + +static int ds4424_get_value(struct iio_dev *indio_dev, + int *val, int channel) +{ + struct ds4424_data *data = iio_priv(indio_dev); + int ret; + + mutex_lock(&data->lock); + ret = i2c_smbus_read_byte_data(data->client, DS4424_DAC_ADDR(channel)); + if (ret < 0) + goto fail; + + *val = ret; + +fail: + mutex_unlock(&data->lock); + return ret; +} + +static int ds4424_set_value(struct iio_dev *indio_dev, + int val, struct iio_chan_spec const *chan) +{ + struct ds4424_data *data = iio_priv(indio_dev); + int ret; + + mutex_lock(&data->lock); + ret = i2c_smbus_write_byte_data(data->client, + DS4424_DAC_ADDR(chan->channel), val); + if (ret < 0) + goto fail; + + data->raw[chan->channel] = val; + +fail: + mutex_unlock(&data->lock); + return ret; +} + +static int ds4424_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + union ds4424_raw_data raw; + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + ret = ds4424_get_value(indio_dev, val, chan->channel); + if (ret < 0) { + pr_err("%s : ds4424_get_value returned %d\n", + __func__, ret); + return ret; + } + raw.bits = *val; + *val = raw.dx; + if (raw.source_bit == DS4424_SINK_I) + *val = -*val; + return IIO_VAL_INT; + + default: + return -EINVAL; + } +} + +static int ds4424_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + union ds4424_raw_data raw; + + if (val2 != 0) + return -EINVAL; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + if (val < S8_MIN || val > S8_MAX) + return -EINVAL; + + if (val > 0) { + raw.source_bit = DS4424_SOURCE_I; + raw.dx = val; + } else { + raw.source_bit = DS4424_SINK_I; + raw.dx = -val; + } + + return ds4424_set_value(indio_dev, raw.bits, chan); + + default: + return -EINVAL; + } +} + +static int ds4424_verify_chip(struct iio_dev *indio_dev) +{ + int ret, val; + + ret = ds4424_get_value(indio_dev, &val, DS4424_DAC_ADDR(0)); + if (ret < 0) + dev_err(&indio_dev->dev, + "%s failed. ret: %d\n", __func__, ret); + + return ret; +} + +static int __maybe_unused ds4424_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct ds4424_data *data = iio_priv(indio_dev); + int ret = 0; + int i; + + for (i = 0; i < indio_dev->num_channels; i++) { + data->save[i] = data->raw[i]; + ret = ds4424_set_value(indio_dev, 0, + &indio_dev->channels[i]); + if (ret < 0) + return ret; + } + return ret; +} + +static int __maybe_unused ds4424_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct ds4424_data *data = iio_priv(indio_dev); + int ret = 0; + int i; + + for (i = 0; i < indio_dev->num_channels; i++) { + ret = ds4424_set_value(indio_dev, data->save[i], + &indio_dev->channels[i]); + if (ret < 0) + return ret; + } + return ret; +} + +static SIMPLE_DEV_PM_OPS(ds4424_pm_ops, ds4424_suspend, ds4424_resume); + +static const struct iio_info ds4424_info = { + .read_raw = ds4424_read_raw, + .write_raw = ds4424_write_raw, +}; + +static int ds4424_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct ds4424_data *data; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); + if (!indio_dev) { + dev_err(&client->dev, "iio dev alloc failed.\n"); + return -ENOMEM; + } + + data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); + data->client = client; + indio_dev->name = id->name; + indio_dev->dev.of_node = client->dev.of_node; + indio_dev->dev.parent = &client->dev; + + if (!client->dev.of_node) { + dev_err(&client->dev, + "Not found DT.\n"); + return -ENODEV; + } + + data->vcc_reg = devm_regulator_get(&client->dev, "vcc"); + if (IS_ERR(data->vcc_reg)) { + dev_err(&client->dev, + "Failed to get vcc-supply regulator. err: %ld\n", + PTR_ERR(data->vcc_reg)); + return PTR_ERR(data->vcc_reg); + } + + mutex_init(&data->lock); + ret = regulator_enable(data->vcc_reg); + if (ret < 0) { + dev_err(&client->dev, + "Unable to enable the regulator.\n"); + return ret; + } + + usleep_range(1000, 1200); + ret = ds4424_verify_chip(indio_dev); + if (ret < 0) + goto fail; + + switch (id->driver_data) { + case ID_DS4422: + indio_dev->num_channels = DS4422_MAX_DAC_CHANNELS; + break; + case ID_DS4424: + indio_dev->num_channels = DS4424_MAX_DAC_CHANNELS; + break; + default: + dev_err(&client->dev, + "ds4424: Invalid chip id.\n"); + ret = -ENXIO; + goto fail; + } + + indio_dev->channels = ds4424_channels; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->info = &ds4424_info; + + ret = iio_device_register(indio_dev); + if (ret < 0) { + dev_err(&client->dev, + "iio_device_register failed. ret: %d\n", ret); + goto fail; + } + + return ret; + +fail: + regulator_disable(data->vcc_reg); + return ret; +} + +static int ds4424_remove(struct i2c_client *client) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(client); + struct ds4424_data *data = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + regulator_disable(data->vcc_reg); + + return 0; +} + +static const struct i2c_device_id ds4424_id[] = { + { "ds4422", ID_DS4422 }, + { "ds4424", ID_DS4424 }, + { } +}; + +MODULE_DEVICE_TABLE(i2c, ds4424_id); + +static const struct of_device_id ds4424_of_match[] = { + { .compatible = "maxim,ds4422" }, + { .compatible = "maxim,ds4424" }, + { }, +}; + +MODULE_DEVICE_TABLE(of, ds4424_of_match); + +static struct i2c_driver ds4424_driver = { + .driver = { + .name = "ds4424", + .of_match_table = ds4424_of_match, + .pm = &ds4424_pm_ops, + }, + .probe = ds4424_probe, + .remove = ds4424_remove, + .id_table = ds4424_id, +}; +module_i2c_driver(ds4424_driver); + +MODULE_DESCRIPTION("Maxim DS4424 DAC Driver"); +MODULE_AUTHOR("Ismail H. Kose <ismail.kose@maximintegrated.com>"); +MODULE_AUTHOR("Vishal Sood <vishal.sood@maximintegrated.com>"); +MODULE_AUTHOR("David Jung <david.jung@maximintegrated.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/dac/lpc18xx_dac.c b/drivers/iio/dac/lpc18xx_dac.c index 55d1456a059d..7036f77fdf23 100644 --- a/drivers/iio/dac/lpc18xx_dac.c +++ b/drivers/iio/dac/lpc18xx_dac.c @@ -103,7 +103,6 @@ static int lpc18xx_dac_write_raw(struct iio_dev *indio_dev, static const struct iio_info lpc18xx_dac_info = { .read_raw = lpc18xx_dac_read_raw, .write_raw = lpc18xx_dac_write_raw, - .driver_module = THIS_MODULE, }; static int lpc18xx_dac_probe(struct platform_device *pdev) diff --git a/drivers/iio/dac/ltc2632.c b/drivers/iio/dac/ltc2632.c index ac5e05f6eb8b..af2ddd0dd341 100644 --- a/drivers/iio/dac/ltc2632.c +++ b/drivers/iio/dac/ltc2632.c @@ -159,7 +159,6 @@ static ssize_t ltc2632_write_dac_powerdown(struct iio_dev *indio_dev, static const struct iio_info ltc2632_info = { .write_raw = ltc2632_write_raw, .read_raw = ltc2632_read_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec_ext_info ltc2632_ext_info[] = { diff --git a/drivers/iio/dac/m62332.c b/drivers/iio/dac/m62332.c index 76e8b044b979..19031943dabe 100644 --- a/drivers/iio/dac/m62332.c +++ b/drivers/iio/dac/m62332.c @@ -174,7 +174,6 @@ static SIMPLE_DEV_PM_OPS(m62332_pm_ops, m62332_suspend, m62332_resume); static const struct iio_info m62332_info = { .read_raw = m62332_read_raw, .write_raw = m62332_write_raw, - .driver_module = THIS_MODULE, }; #define M62332_CHANNEL(chan) { \ diff --git a/drivers/iio/dac/max517.c b/drivers/iio/dac/max517.c index 5507b3970b4b..1d853247a205 100644 --- a/drivers/iio/dac/max517.c +++ b/drivers/iio/dac/max517.c @@ -137,7 +137,6 @@ static SIMPLE_DEV_PM_OPS(max517_pm_ops, max517_suspend, max517_resume); static const struct iio_info max517_info = { .read_raw = max517_read_raw, .write_raw = max517_write_raw, - .driver_module = THIS_MODULE, }; #define MAX517_CHANNEL(chan) { \ diff --git a/drivers/iio/dac/max5821.c b/drivers/iio/dac/max5821.c index 193fac3059a3..d0ecc1fdd8fc 100644 --- a/drivers/iio/dac/max5821.c +++ b/drivers/iio/dac/max5821.c @@ -300,7 +300,6 @@ static SIMPLE_DEV_PM_OPS(max5821_pm_ops, max5821_suspend, max5821_resume); static const struct iio_info max5821_info = { .read_raw = max5821_read_raw, .write_raw = max5821_write_raw, - .driver_module = THIS_MODULE, }; static int max5821_probe(struct i2c_client *client, diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index 6ab1f23e5a79..afa856d10c26 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -363,7 +363,6 @@ static const struct iio_info mcp4725_info = { .read_raw = mcp4725_read_raw, .write_raw = mcp4725_write_raw, .attrs = &mcp4725_attribute_group, - .driver_module = THIS_MODULE, }; #ifdef CONFIG_OF diff --git a/drivers/iio/dac/mcp4922.c b/drivers/iio/dac/mcp4922.c index 3854d201a5d6..bf9aa3fc0534 100644 --- a/drivers/iio/dac/mcp4922.c +++ b/drivers/iio/dac/mcp4922.c @@ -119,7 +119,6 @@ static const struct iio_chan_spec mcp4922_channels[3][MCP4922_NUM_CHANNELS] = { static const struct iio_info mcp4922_info = { .read_raw = &mcp4922_read_raw, .write_raw = &mcp4922_write_raw, - .driver_module = THIS_MODULE, }; static int mcp4922_probe(struct spi_device *spi) diff --git a/drivers/iio/dac/stm32-dac.c b/drivers/iio/dac/stm32-dac.c index c1864e8aa851..9ffab02bf9f9 100644 --- a/drivers/iio/dac/stm32-dac.c +++ b/drivers/iio/dac/stm32-dac.c @@ -156,7 +156,6 @@ static const struct iio_info stm32_dac_iio_info = { .read_raw = stm32_dac_read_raw, .write_raw = stm32_dac_write_raw, .debugfs_reg_access = stm32_dac_debugfs_reg_access, - .driver_module = THIS_MODULE, }; static const char * const stm32_dac_powerdown_modes[] = { diff --git a/drivers/iio/dac/ti-dac082s085.c b/drivers/iio/dac/ti-dac082s085.c new file mode 100644 index 000000000000..4e1e28339c84 --- /dev/null +++ b/drivers/iio/dac/ti-dac082s085.c @@ -0,0 +1,368 @@ +/* + * ti-dac082s085.c - Texas Instruments 8/10/12-bit 2/4-channel DAC driver + * + * Copyright (C) 2017 KUNBUS GmbH + * + * http://www.ti.com/lit/ds/symlink/dac082s085.pdf + * http://www.ti.com/lit/ds/symlink/dac102s085.pdf + * http://www.ti.com/lit/ds/symlink/dac122s085.pdf + * http://www.ti.com/lit/ds/symlink/dac084s085.pdf + * http://www.ti.com/lit/ds/symlink/dac104s085.pdf + * http://www.ti.com/lit/ds/symlink/dac124s085.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (version 2) as + * published by the Free Software Foundation. + */ + +#include <linux/iio/iio.h> +#include <linux/module.h> +#include <linux/regulator/consumer.h> +#include <linux/spi/spi.h> + +enum { dual_8bit, dual_10bit, dual_12bit, quad_8bit, quad_10bit, quad_12bit }; + +struct ti_dac_spec { + u8 num_channels; + u8 resolution; +}; + +static const struct ti_dac_spec ti_dac_spec[] = { + [dual_8bit] = { .num_channels = 2, .resolution = 8 }, + [dual_10bit] = { .num_channels = 2, .resolution = 10 }, + [dual_12bit] = { .num_channels = 2, .resolution = 12 }, + [quad_8bit] = { .num_channels = 4, .resolution = 8 }, + [quad_10bit] = { .num_channels = 4, .resolution = 10 }, + [quad_12bit] = { .num_channels = 4, .resolution = 12 }, +}; + +/** + * struct ti_dac_chip - TI DAC chip + * @lock: protects write sequences + * @vref: regulator generating Vref + * @mesg: SPI message to perform a write + * @xfer: SPI transfer used by @mesg + * @val: cached value of each output + * @powerdown: whether the chip is powered down + * @powerdown_mode: selected by the user + * @resolution: resolution of the chip + * @buf: buffer for @xfer + */ +struct ti_dac_chip { + struct mutex lock; + struct regulator *vref; + struct spi_message mesg; + struct spi_transfer xfer; + u16 val[4]; + bool powerdown; + u8 powerdown_mode; + u8 resolution; + u8 buf[2] ____cacheline_aligned; +}; + +#define WRITE_NOT_UPDATE(chan) (0x00 | (chan) << 6) +#define WRITE_AND_UPDATE(chan) (0x10 | (chan) << 6) +#define WRITE_ALL_UPDATE 0x20 +#define POWERDOWN(mode) (0x30 | ((mode) + 1) << 6) + +static int ti_dac_cmd(struct ti_dac_chip *ti_dac, u8 cmd, u16 val) +{ + u8 shift = 12 - ti_dac->resolution; + + ti_dac->buf[0] = cmd | (val >> (8 - shift)); + ti_dac->buf[1] = (val << shift) & 0xff; + return spi_sync(ti_dac->mesg.spi, &ti_dac->mesg); +} + +static const char * const ti_dac_powerdown_modes[] = { + "2.5kohm_to_gnd", "100kohm_to_gnd", "three_state", +}; + +static int ti_dac_get_powerdown_mode(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + + return ti_dac->powerdown_mode; +} + +static int ti_dac_set_powerdown_mode(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, + unsigned int mode) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + int ret = 0; + + if (ti_dac->powerdown_mode == mode) + return 0; + + mutex_lock(&ti_dac->lock); + if (ti_dac->powerdown) { + ret = ti_dac_cmd(ti_dac, POWERDOWN(mode), 0); + if (ret) + goto out; + } + ti_dac->powerdown_mode = mode; + +out: + mutex_unlock(&ti_dac->lock); + return ret; +} + +static const struct iio_enum ti_dac_powerdown_mode = { + .items = ti_dac_powerdown_modes, + .num_items = ARRAY_SIZE(ti_dac_powerdown_modes), + .get = ti_dac_get_powerdown_mode, + .set = ti_dac_set_powerdown_mode, +}; + +static ssize_t ti_dac_read_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + char *buf) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + + return sprintf(buf, "%d\n", ti_dac->powerdown); +} + +static ssize_t ti_dac_write_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + const char *buf, size_t len) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + bool powerdown; + int ret; + + ret = strtobool(buf, &powerdown); + if (ret) + return ret; + + if (ti_dac->powerdown == powerdown) + return len; + + mutex_lock(&ti_dac->lock); + if (powerdown) + ret = ti_dac_cmd(ti_dac, POWERDOWN(ti_dac->powerdown_mode), 0); + else + ret = ti_dac_cmd(ti_dac, WRITE_AND_UPDATE(0), ti_dac->val[0]); + if (!ret) + ti_dac->powerdown = powerdown; + mutex_unlock(&ti_dac->lock); + + return ret ? ret : len; +} + +static const struct iio_chan_spec_ext_info ti_dac_ext_info[] = { + { + .name = "powerdown", + .read = ti_dac_read_powerdown, + .write = ti_dac_write_powerdown, + .shared = IIO_SHARED_BY_TYPE, + }, + IIO_ENUM("powerdown_mode", IIO_SHARED_BY_TYPE, &ti_dac_powerdown_mode), + IIO_ENUM_AVAILABLE("powerdown_mode", &ti_dac_powerdown_mode), + { }, +}; + +#define TI_DAC_CHANNEL(chan) { \ + .type = IIO_VOLTAGE, \ + .channel = (chan), \ + .address = (chan), \ + .indexed = true, \ + .output = true, \ + .datasheet_name = (const char[]){ 'A' + (chan), 0 }, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .ext_info = ti_dac_ext_info, \ +} + +static const struct iio_chan_spec ti_dac_channels[] = { + TI_DAC_CHANNEL(0), + TI_DAC_CHANNEL(1), + TI_DAC_CHANNEL(2), + TI_DAC_CHANNEL(3), +}; + +static int ti_dac_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + *val = ti_dac->val[chan->channel]; + ret = IIO_VAL_INT; + break; + + case IIO_CHAN_INFO_SCALE: + ret = regulator_get_voltage(ti_dac->vref); + if (ret < 0) + return ret; + + *val = ret / 1000; + *val2 = ti_dac->resolution; + ret = IIO_VAL_FRACTIONAL_LOG2; + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static int ti_dac_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + if (ti_dac->val[chan->channel] == val) + return 0; + + if (val >= (1 << ti_dac->resolution) || val < 0) + return -EINVAL; + + if (ti_dac->powerdown) + return -EBUSY; + + mutex_lock(&ti_dac->lock); + ret = ti_dac_cmd(ti_dac, WRITE_AND_UPDATE(chan->channel), val); + if (!ret) + ti_dac->val[chan->channel] = val; + mutex_unlock(&ti_dac->lock); + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static int ti_dac_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, long mask) +{ + return IIO_VAL_INT; +} + +static const struct iio_info ti_dac_info = { + .read_raw = ti_dac_read_raw, + .write_raw = ti_dac_write_raw, + .write_raw_get_fmt = ti_dac_write_raw_get_fmt, +}; + +static int ti_dac_probe(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + const struct ti_dac_spec *spec; + struct ti_dac_chip *ti_dac; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*ti_dac)); + if (!indio_dev) + return -ENOMEM; + + indio_dev->dev.parent = dev; + indio_dev->info = &ti_dac_info; + indio_dev->name = spi->modalias; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = ti_dac_channels; + spi_set_drvdata(spi, indio_dev); + + ti_dac = iio_priv(indio_dev); + ti_dac->xfer.tx_buf = &ti_dac->buf; + ti_dac->xfer.len = sizeof(ti_dac->buf); + spi_message_init_with_transfers(&ti_dac->mesg, &ti_dac->xfer, 1); + ti_dac->mesg.spi = spi; + + spec = &ti_dac_spec[spi_get_device_id(spi)->driver_data]; + indio_dev->num_channels = spec->num_channels; + ti_dac->resolution = spec->resolution; + + ti_dac->vref = devm_regulator_get(dev, "vref"); + if (IS_ERR(ti_dac->vref)) + return PTR_ERR(ti_dac->vref); + + ret = regulator_enable(ti_dac->vref); + if (ret < 0) + return ret; + + mutex_init(&ti_dac->lock); + + ret = ti_dac_cmd(ti_dac, WRITE_ALL_UPDATE, 0); + if (ret) { + dev_err(dev, "failed to initialize outputs to 0\n"); + goto err; + } + + ret = iio_device_register(indio_dev); + if (ret) + goto err; + + return 0; + +err: + mutex_destroy(&ti_dac->lock); + regulator_disable(ti_dac->vref); + return ret; +} + +static int ti_dac_remove(struct spi_device *spi) +{ + struct iio_dev *indio_dev = spi_get_drvdata(spi); + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + mutex_destroy(&ti_dac->lock); + regulator_disable(ti_dac->vref); + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id ti_dac_of_id[] = { + { .compatible = "ti,dac082s085" }, + { .compatible = "ti,dac102s085" }, + { .compatible = "ti,dac122s085" }, + { .compatible = "ti,dac084s085" }, + { .compatible = "ti,dac104s085" }, + { .compatible = "ti,dac124s085" }, + { } +}; +MODULE_DEVICE_TABLE(of, ti_dac_of_id); +#endif + +static const struct spi_device_id ti_dac_spi_id[] = { + { "dac082s085", dual_8bit }, + { "dac102s085", dual_10bit }, + { "dac122s085", dual_12bit }, + { "dac084s085", quad_8bit }, + { "dac104s085", quad_10bit }, + { "dac124s085", quad_12bit }, + { } +}; +MODULE_DEVICE_TABLE(spi, ti_dac_spi_id); + +static struct spi_driver ti_dac_driver = { + .driver = { + .name = "ti-dac082s085", + .of_match_table = of_match_ptr(ti_dac_of_id), + }, + .probe = ti_dac_probe, + .remove = ti_dac_remove, + .id_table = ti_dac_spi_id, +}; +module_spi_driver(ti_dac_driver); + +MODULE_AUTHOR("Lukas Wunner <lukas@wunner.de>"); +MODULE_DESCRIPTION("Texas Instruments 8/10/12-bit 2/4-channel DAC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/iio/dac/vf610_dac.c b/drivers/iio/dac/vf610_dac.c index c4ec7779b394..5dccdd16cab3 100644 --- a/drivers/iio/dac/vf610_dac.c +++ b/drivers/iio/dac/vf610_dac.c @@ -167,7 +167,6 @@ static int vf610_write_raw(struct iio_dev *indio_dev, } static const struct iio_info vf610_dac_iio_info = { - .driver_module = THIS_MODULE, .read_raw = &vf610_read_raw, .write_raw = &vf610_write_raw, }; diff --git a/drivers/iio/dummy/Kconfig b/drivers/iio/dummy/Kconfig index aa5824d96a43..5a29fbd3c531 100644 --- a/drivers/iio/dummy/Kconfig +++ b/drivers/iio/dummy/Kconfig @@ -5,7 +5,7 @@ menu "IIO dummy driver" depends on IIO config IIO_DUMMY_EVGEN - select IRQ_WORK + select IRQ_SIM tristate config IIO_SIMPLE_DUMMY diff --git a/drivers/iio/dummy/Makefile b/drivers/iio/dummy/Makefile index 0765e93d7804..f14fe20f365c 100644 --- a/drivers/iio/dummy/Makefile +++ b/drivers/iio/dummy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the IIO Dummy Driver # diff --git a/drivers/iio/dummy/iio_dummy_evgen.c b/drivers/iio/dummy/iio_dummy_evgen.c index 9e83f348df51..fe8884543da0 100644 --- a/drivers/iio/dummy/iio_dummy_evgen.c +++ b/drivers/iio/dummy/iio_dummy_evgen.c @@ -24,97 +24,46 @@ #include "iio_dummy_evgen.h" #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> -#include <linux/irq_work.h> +#include <linux/irq_sim.h> /* Fiddly bit of faking and irq without hardware */ #define IIO_EVENTGEN_NO 10 /** - * struct iio_dummy_handle_irq - helper struct to simulate interrupt generation - * @work: irq_work used to run handlers from hardirq context - * @irq: fake irq line number to trigger an interrupt - */ -struct iio_dummy_handle_irq { - struct irq_work work; - int irq; -}; - -/** - * struct iio_dummy_evgen - evgen state - * @chip: irq chip we are faking - * @base: base of irq range - * @enabled: mask of which irqs are enabled - * @inuse: mask of which irqs are connected * @regs: irq regs we are faking * @lock: protect the evgen state - * @handler: helper for a 'hardware-like' interrupt simulation + * @inuse: mask of which irqs are connected + * @irq_sim: interrupt simulator + * @base: base of irq range */ struct iio_dummy_eventgen { - struct irq_chip chip; - int base; - bool enabled[IIO_EVENTGEN_NO]; - bool inuse[IIO_EVENTGEN_NO]; struct iio_dummy_regs regs[IIO_EVENTGEN_NO]; struct mutex lock; - struct iio_dummy_handle_irq handler; + bool inuse[IIO_EVENTGEN_NO]; + struct irq_sim irq_sim; + int base; }; /* We can only ever have one instance of this 'device' */ static struct iio_dummy_eventgen *iio_evgen; -static const char *iio_evgen_name = "iio_dummy_evgen"; - -static void iio_dummy_event_irqmask(struct irq_data *d) -{ - struct irq_chip *chip = irq_data_get_irq_chip(d); - struct iio_dummy_eventgen *evgen = - container_of(chip, struct iio_dummy_eventgen, chip); - - evgen->enabled[d->irq - evgen->base] = false; -} - -static void iio_dummy_event_irqunmask(struct irq_data *d) -{ - struct irq_chip *chip = irq_data_get_irq_chip(d); - struct iio_dummy_eventgen *evgen = - container_of(chip, struct iio_dummy_eventgen, chip); - - evgen->enabled[d->irq - evgen->base] = true; -} - -static void iio_dummy_work_handler(struct irq_work *work) -{ - struct iio_dummy_handle_irq *irq_handler; - - irq_handler = container_of(work, struct iio_dummy_handle_irq, work); - handle_simple_irq(irq_to_desc(irq_handler->irq)); -} static int iio_dummy_evgen_create(void) { - int ret, i; + int ret; iio_evgen = kzalloc(sizeof(*iio_evgen), GFP_KERNEL); if (!iio_evgen) return -ENOMEM; - iio_evgen->base = irq_alloc_descs(-1, 0, IIO_EVENTGEN_NO, 0); - if (iio_evgen->base < 0) { - ret = iio_evgen->base; + ret = irq_sim_init(&iio_evgen->irq_sim, IIO_EVENTGEN_NO); + if (ret) { kfree(iio_evgen); return ret; } - iio_evgen->chip.name = iio_evgen_name; - iio_evgen->chip.irq_mask = &iio_dummy_event_irqmask; - iio_evgen->chip.irq_unmask = &iio_dummy_event_irqunmask; - for (i = 0; i < IIO_EVENTGEN_NO; i++) { - irq_set_chip(iio_evgen->base + i, &iio_evgen->chip); - irq_set_handler(iio_evgen->base + i, &handle_simple_irq); - irq_modify_status(iio_evgen->base + i, - IRQ_NOREQUEST | IRQ_NOAUTOEN, - IRQ_NOPROBE); - } - init_irq_work(&iio_evgen->handler.work, iio_dummy_work_handler); + + iio_evgen->base = irq_sim_irqnum(&iio_evgen->irq_sim, 0); mutex_init(&iio_evgen->lock); + return 0; } @@ -132,15 +81,17 @@ int iio_dummy_evgen_get_irq(void) return -ENODEV; mutex_lock(&iio_evgen->lock); - for (i = 0; i < IIO_EVENTGEN_NO; i++) + for (i = 0; i < IIO_EVENTGEN_NO; i++) { if (!iio_evgen->inuse[i]) { - ret = iio_evgen->base + i; + ret = irq_sim_irqnum(&iio_evgen->irq_sim, i); iio_evgen->inuse[i] = true; break; } + } mutex_unlock(&iio_evgen->lock); if (i == IIO_EVENTGEN_NO) return -ENOMEM; + return ret; } EXPORT_SYMBOL_GPL(iio_dummy_evgen_get_irq); @@ -167,7 +118,7 @@ EXPORT_SYMBOL_GPL(iio_dummy_evgen_get_regs); static void iio_dummy_evgen_free(void) { - irq_free_descs(iio_evgen->base, IIO_EVENTGEN_NO); + irq_sim_fini(&iio_evgen->irq_sim); kfree(iio_evgen); } @@ -192,9 +143,7 @@ static ssize_t iio_evgen_poke(struct device *dev, iio_evgen->regs[this_attr->address].reg_id = this_attr->address; iio_evgen->regs[this_attr->address].reg_data = event; - iio_evgen->handler.irq = iio_evgen->base + this_attr->address; - if (iio_evgen->enabled[this_attr->address]) - irq_work_queue(&iio_evgen->handler.work); + irq_sim_fire(&iio_evgen->irq_sim, this_attr->address); return len; } diff --git a/drivers/iio/dummy/iio_dummy_evgen.h b/drivers/iio/dummy/iio_dummy_evgen.h index d044b946e74a..e0bf64fe9d67 100644 --- a/drivers/iio/dummy/iio_dummy_evgen.h +++ b/drivers/iio/dummy/iio_dummy_evgen.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _IIO_DUMMY_EVGEN_H_ #define _IIO_DUMMY_EVGEN_H_ diff --git a/drivers/iio/dummy/iio_simple_dummy.c b/drivers/iio/dummy/iio_simple_dummy.c index ad3410e528b6..a45d01e9b8e8 100644 --- a/drivers/iio/dummy/iio_simple_dummy.c +++ b/drivers/iio/dummy/iio_simple_dummy.c @@ -519,7 +519,6 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev, * Device type specific information. */ static const struct iio_info iio_dummy_info = { - .driver_module = THIS_MODULE, .read_raw = &iio_dummy_read_raw, .write_raw = &iio_dummy_write_raw, #ifdef CONFIG_IIO_SIMPLE_DUMMY_EVENTS diff --git a/drivers/iio/frequency/ad9523.c b/drivers/iio/frequency/ad9523.c index 99eba524f6dd..ddb6a334ae68 100644 --- a/drivers/iio/frequency/ad9523.c +++ b/drivers/iio/frequency/ad9523.c @@ -738,7 +738,6 @@ static const struct iio_info ad9523_info = { .write_raw = &ad9523_write_raw, .debugfs_reg_access = &ad9523_reg_access, .attrs = &ad9523_attribute_group, - .driver_module = THIS_MODULE, }; static int ad9523_setup(struct iio_dev *indio_dev) diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c index d2d824b446f5..6d768431d90e 100644 --- a/drivers/iio/frequency/adf4350.c +++ b/drivers/iio/frequency/adf4350.c @@ -374,7 +374,6 @@ static const struct iio_chan_spec adf4350_chan = { static const struct iio_info adf4350_info = { .debugfs_reg_access = &adf4350_reg_access, - .driver_module = THIS_MODULE, }; #ifdef CONFIG_OF diff --git a/drivers/iio/gyro/Makefile b/drivers/iio/gyro/Makefile index f0e149a606b0..295ec780c4eb 100644 --- a/drivers/iio/gyro/Makefile +++ b/drivers/iio/gyro/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O gyroscope sensor drivers # diff --git a/drivers/iio/gyro/adis16080.c b/drivers/iio/gyro/adis16080.c index ad31a1372a04..a551ebde4762 100644 --- a/drivers/iio/gyro/adis16080.c +++ b/drivers/iio/gyro/adis16080.c @@ -163,7 +163,6 @@ static const struct iio_chan_spec adis16080_channels[] = { static const struct iio_info adis16080_info = { .read_raw = &adis16080_read_raw, - .driver_module = THIS_MODULE, }; enum { diff --git a/drivers/iio/gyro/adis16130.c b/drivers/iio/gyro/adis16130.c index e5241f41e65e..aea80ab04122 100644 --- a/drivers/iio/gyro/adis16130.c +++ b/drivers/iio/gyro/adis16130.c @@ -137,7 +137,6 @@ static const struct iio_chan_spec adis16130_channels[] = { static const struct iio_info adis16130_info = { .read_raw = &adis16130_read_raw, - .driver_module = THIS_MODULE, }; static int adis16130_probe(struct spi_device *spi) diff --git a/drivers/iio/gyro/adis16136.c b/drivers/iio/gyro/adis16136.c index b04faf93e1bc..90ec4bed62b7 100644 --- a/drivers/iio/gyro/adis16136.c +++ b/drivers/iio/gyro/adis16136.c @@ -398,7 +398,6 @@ static const struct attribute_group adis16136_attribute_group = { }; static const struct iio_info adis16136_info = { - .driver_module = THIS_MODULE, .attrs = &adis16136_attribute_group, .read_raw = &adis16136_read_raw, .write_raw = &adis16136_write_raw, diff --git a/drivers/iio/gyro/adis16260.c b/drivers/iio/gyro/adis16260.c index 7da8825f4791..a8cb1ca349d9 100644 --- a/drivers/iio/gyro/adis16260.c +++ b/drivers/iio/gyro/adis16260.c @@ -321,7 +321,6 @@ static const struct iio_info adis16260_info = { .read_raw = &adis16260_read_raw, .write_raw = &adis16260_write_raw, .update_scan_mode = adis_update_scan_mode, - .driver_module = THIS_MODULE, }; static const char * const adis1620_status_error_msgs[] = { diff --git a/drivers/iio/gyro/adxrs450.c b/drivers/iio/gyro/adxrs450.c index a330d4288bb0..5d39fd008378 100644 --- a/drivers/iio/gyro/adxrs450.c +++ b/drivers/iio/gyro/adxrs450.c @@ -405,7 +405,6 @@ static const struct iio_chan_spec adxrs450_channels[2][2] = { }; static const struct iio_info adxrs450_info = { - .driver_module = THIS_MODULE, .read_raw = &adxrs450_read_raw, .write_raw = &adxrs450_write_raw, }; diff --git a/drivers/iio/gyro/bmg160.h b/drivers/iio/gyro/bmg160.h index 72db723c8fb6..6bcff6562249 100644 --- a/drivers/iio/gyro/bmg160.h +++ b/drivers/iio/gyro/bmg160.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BMG160_H_ #define BMG160_H_ diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index 821919dd245b..15046172e437 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -858,7 +858,6 @@ static const struct iio_info bmg160_info = { .write_event_value = bmg160_write_event, .write_event_config = bmg160_write_event_config, .read_event_config = bmg160_read_event_config, - .driver_module = THIS_MODULE, }; static const unsigned long bmg160_accel_scan_masks[] = { @@ -956,7 +955,6 @@ static int bmg160_data_rdy_trigger_set_state(struct iio_trigger *trig, static const struct iio_trigger_ops bmg160_trigger_ops = { .set_trigger_state = bmg160_data_rdy_trigger_set_state, .try_reenable = bmg160_trig_try_reen, - .owner = THIS_MODULE, }; static irqreturn_t bmg160_event_handler(int irq, void *private) diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c index c67ce2ac4715..f59995a90387 100644 --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c @@ -186,7 +186,6 @@ static int gyro_3d_write_raw(struct iio_dev *indio_dev, } static const struct iio_info gyro_3d_info = { - .driver_module = THIS_MODULE, .read_raw = &gyro_3d_read_raw, .write_raw = &gyro_3d_write_raw, }; diff --git a/drivers/iio/gyro/itg3200_buffer.c b/drivers/iio/gyro/itg3200_buffer.c index eef50e91f17c..59770e5b6660 100644 --- a/drivers/iio/gyro/itg3200_buffer.c +++ b/drivers/iio/gyro/itg3200_buffer.c @@ -101,7 +101,6 @@ error_ret: } static const struct iio_trigger_ops itg3200_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &itg3200_data_rdy_trigger_set_state, }; diff --git a/drivers/iio/gyro/itg3200_core.c b/drivers/iio/gyro/itg3200_core.c index cfa2db04a8ab..7adecb562c81 100644 --- a/drivers/iio/gyro/itg3200_core.c +++ b/drivers/iio/gyro/itg3200_core.c @@ -278,7 +278,6 @@ static const struct iio_chan_spec itg3200_channels[] = { static const struct iio_info itg3200_info = { .read_raw = &itg3200_read_raw, .write_raw = &itg3200_write_raw, - .driver_module = THIS_MODULE, }; static const unsigned long itg3200_available_scan_masks[] = { 0xffffffff, 0x0 }; diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c index e0d241a9aa30..77fac81a3adc 100644 --- a/drivers/iio/gyro/mpu3050-core.c +++ b/drivers/iio/gyro/mpu3050-core.c @@ -742,7 +742,6 @@ static const struct attribute_group mpu3050_attribute_group = { }; static const struct iio_info mpu3050_info = { - .driver_module = THIS_MODULE, .read_raw = mpu3050_read_raw, .write_raw = mpu3050_write_raw, .attrs = &mpu3050_attribute_group, @@ -1032,7 +1031,6 @@ static int mpu3050_drdy_trigger_set_state(struct iio_trigger *trig, } static const struct iio_trigger_ops mpu3050_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = mpu3050_drdy_trigger_set_state, }; diff --git a/drivers/iio/gyro/mpu3050.h b/drivers/iio/gyro/mpu3050.h index bef87a714dc5..835b0249c376 100644 --- a/drivers/iio/gyro/mpu3050.h +++ b/drivers/iio/gyro/mpu3050.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/iio/iio.h> #include <linux/mutex.h> #include <linux/regmap.h> diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c index e366422e8512..b31064ba37b9 100644 --- a/drivers/iio/gyro/st_gyro_core.c +++ b/drivers/iio/gyro/st_gyro_core.c @@ -111,14 +111,23 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = { .mask = 0x80, }, .drdy_irq = { - .addr = 0x22, - .mask_int2 = 0x08, + .int2 = { + .addr = 0x22, + .mask = 0x08, + }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, + }, + .sim = { + .addr = 0x23, + .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, @@ -181,14 +190,23 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = { .mask = 0x80, }, .drdy_irq = { - .addr = 0x22, - .mask_int2 = 0x08, + .int2 = { + .addr = 0x22, + .mask = 0x08, + }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, + }, + .sim = { + .addr = 0x23, + .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, @@ -246,14 +264,23 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = { .mask = 0x80, }, .drdy_irq = { - .addr = 0x22, - .mask_int2 = 0x08, + .int2 = { + .addr = 0x22, + .mask = 0x08, + }, /* * The sensor has IHL (active low) and open * drain settings, but only for INT1 and not * for the DRDY line on INT2. */ - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, + }, + .sim = { + .addr = 0x23, + .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, @@ -326,7 +353,6 @@ static const struct attribute_group st_gyro_attribute_group = { }; static const struct iio_info gyro_info = { - .driver_module = THIS_MODULE, .attrs = &st_gyro_attribute_group, .read_raw = &st_gyro_read_raw, .write_raw = &st_gyro_write_raw, @@ -335,7 +361,6 @@ static const struct iio_info gyro_info = { #ifdef CONFIG_IIO_TRIGGER static const struct iio_trigger_ops st_gyro_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = ST_GYRO_TRIGGER_SET_STATE, .validate_device = st_sensors_validate_device, }; diff --git a/drivers/iio/health/afe4403.c b/drivers/iio/health/afe4403.c index 6bb23a49e81e..a739fff01c6b 100644 --- a/drivers/iio/health/afe4403.c +++ b/drivers/iio/health/afe4403.c @@ -309,7 +309,6 @@ static const struct iio_info afe4403_iio_info = { .attrs = &afe440x_attribute_group, .read_raw = afe4403_read_raw, .write_raw = afe4403_write_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t afe4403_trigger_handler(int irq, void *private) @@ -354,7 +353,6 @@ err: } static const struct iio_trigger_ops afe4403_trigger_ops = { - .owner = THIS_MODULE, }; #define AFE4403_TIMING_PAIRS \ diff --git a/drivers/iio/health/afe4404.c b/drivers/iio/health/afe4404.c index 964f5231a831..11910922e655 100644 --- a/drivers/iio/health/afe4404.c +++ b/drivers/iio/health/afe4404.c @@ -328,7 +328,6 @@ static const struct iio_info afe4404_iio_info = { .attrs = &afe440x_attribute_group, .read_raw = afe4404_read_raw, .write_raw = afe4404_write_raw, - .driver_module = THIS_MODULE, }; static irqreturn_t afe4404_trigger_handler(int irq, void *private) @@ -355,7 +354,6 @@ err: } static const struct iio_trigger_ops afe4404_trigger_ops = { - .owner = THIS_MODULE, }; /* Default timings from data-sheet */ diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c index 849d71747f9f..91aef5df24a1 100644 --- a/drivers/iio/health/max30100.c +++ b/drivers/iio/health/max30100.c @@ -420,7 +420,6 @@ static int max30100_read_raw(struct iio_dev *indio_dev, } static const struct iio_info max30100_info = { - .driver_module = THIS_MODULE, .read_raw = max30100_read_raw, }; diff --git a/drivers/iio/health/max30102.c b/drivers/iio/health/max30102.c index 839b875c29b9..203ffb9cad6a 100644 --- a/drivers/iio/health/max30102.c +++ b/drivers/iio/health/max30102.c @@ -381,7 +381,6 @@ static int max30102_read_raw(struct iio_dev *indio_dev, } static const struct iio_info max30102_info = { - .driver_module = THIS_MODULE, .read_raw = max30102_read_raw, }; diff --git a/drivers/iio/humidity/Makefile b/drivers/iio/humidity/Makefile index be0dedeb8f3c..ae4204995017 100644 --- a/drivers/iio/humidity/Makefile +++ b/drivers/iio/humidity/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for IIO humidity sensor drivers # diff --git a/drivers/iio/humidity/am2315.c b/drivers/iio/humidity/am2315.c index ff96b6d0fdae..7d8669dc6547 100644 --- a/drivers/iio/humidity/am2315.c +++ b/drivers/iio/humidity/am2315.c @@ -215,7 +215,6 @@ static int am2315_read_raw(struct iio_dev *indio_dev, } static const struct iio_info am2315_info = { - .driver_module = THIS_MODULE, .read_raw = am2315_read_raw, }; diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c index 2a22ad920333..df6bab40d6fa 100644 --- a/drivers/iio/humidity/dht11.c +++ b/drivers/iio/humidity/dht11.c @@ -284,7 +284,6 @@ err: } static const struct iio_info dht11_iio_info = { - .driver_module = THIS_MODULE, .read_raw = dht11_read_raw, }; diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c index 7851bd90ef64..d8438310b6d4 100644 --- a/drivers/iio/humidity/hdc100x.c +++ b/drivers/iio/humidity/hdc100x.c @@ -357,7 +357,6 @@ static const struct iio_info hdc100x_info = { .read_raw = hdc100x_read_raw, .write_raw = hdc100x_write_raw, .attrs = &hdc100x_attribute_group, - .driver_module = THIS_MODULE, }; static int hdc100x_probe(struct i2c_client *client, diff --git a/drivers/iio/humidity/hid-sensor-humidity.c b/drivers/iio/humidity/hid-sensor-humidity.c index 6e09c1acfe51..beab6d6fd6e1 100644 --- a/drivers/iio/humidity/hid-sensor-humidity.c +++ b/drivers/iio/humidity/hid-sensor-humidity.c @@ -125,7 +125,6 @@ static int humidity_write_raw(struct iio_dev *indio_dev, } static const struct iio_info humidity_info = { - .driver_module = THIS_MODULE, .read_raw = &humidity_read_raw, .write_raw = &humidity_write_raw, }; diff --git a/drivers/iio/humidity/hts221_buffer.c b/drivers/iio/humidity/hts221_buffer.c index 9690dfe9a844..e971ea425268 100644 --- a/drivers/iio/humidity/hts221_buffer.c +++ b/drivers/iio/humidity/hts221_buffer.c @@ -47,7 +47,6 @@ static int hts221_trig_set_state(struct iio_trigger *trig, bool state) } static const struct iio_trigger_ops hts221_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = hts221_trig_set_state, }; diff --git a/drivers/iio/humidity/hts221_core.c b/drivers/iio/humidity/hts221_core.c index 32524a8dc66f..daef177219b6 100644 --- a/drivers/iio/humidity/hts221_core.c +++ b/drivers/iio/humidity/hts221_core.c @@ -573,7 +573,6 @@ static const struct attribute_group hts221_attribute_group = { }; static const struct iio_info hts221_info = { - .driver_module = THIS_MODULE, .attrs = &hts221_attribute_group, .read_raw = hts221_read_raw, .write_raw = hts221_write_raw, diff --git a/drivers/iio/humidity/htu21.c b/drivers/iio/humidity/htu21.c index 2c4b9be85a05..f5a2701ba6dd 100644 --- a/drivers/iio/humidity/htu21.c +++ b/drivers/iio/humidity/htu21.c @@ -175,7 +175,6 @@ static const struct iio_info htu21_info = { .read_raw = htu21_read_raw, .write_raw = htu21_write_raw, .attrs = &htu21_attribute_group, - .driver_module = THIS_MODULE, }; static int htu21_probe(struct i2c_client *client, diff --git a/drivers/iio/humidity/si7005.c b/drivers/iio/humidity/si7005.c index 6297766e93d0..1fd19f035a5d 100644 --- a/drivers/iio/humidity/si7005.c +++ b/drivers/iio/humidity/si7005.c @@ -124,7 +124,6 @@ static const struct iio_chan_spec si7005_channels[] = { static const struct iio_info si7005_info = { .read_raw = si7005_read_raw, - .driver_module = THIS_MODULE, }; static int si7005_probe(struct i2c_client *client, diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c index 345a7656c5ef..1b2ec8df1a72 100644 --- a/drivers/iio/humidity/si7020.c +++ b/drivers/iio/humidity/si7020.c @@ -108,7 +108,6 @@ static const struct iio_chan_spec si7020_channels[] = { static const struct iio_info si7020_info = { .read_raw = si7020_read_raw, - .driver_module = THIS_MODULE, }; static int si7020_probe(struct i2c_client *client, diff --git a/drivers/iio/imu/Makefile b/drivers/iio/imu/Makefile index 8b563c3323b5..68629c68b19b 100644 --- a/drivers/iio/imu/Makefile +++ b/drivers/iio/imu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Inertial Measurement Units # diff --git a/drivers/iio/imu/adis16400_buffer.c b/drivers/iio/imu/adis16400_buffer.c index 90c24a23c679..e70a5339acb1 100644 --- a/drivers/iio/imu/adis16400_buffer.c +++ b/drivers/iio/imu/adis16400_buffer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/interrupt.h> #include <linux/mutex.h> #include <linux/kernel.h> diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c index 9b697d35dbef..46a569005a13 100644 --- a/drivers/iio/imu/adis16400_core.c +++ b/drivers/iio/imu/adis16400_core.c @@ -833,7 +833,6 @@ static struct adis16400_chip_info adis16400_chips[] = { }; static const struct iio_info adis16400_info = { - .driver_module = THIS_MODULE, .read_raw = &adis16400_read_raw, .write_raw = &adis16400_write_raw, .update_scan_mode = adis16400_update_scan_mode, diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index 12898424d838..7a33d6bd60e0 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -720,7 +720,6 @@ static const struct iio_info adis16480_info = { .read_raw = &adis16480_read_raw, .write_raw = &adis16480_write_raw, .update_scan_mode = adis_update_scan_mode, - .driver_module = THIS_MODULE, }; static int adis16480_stop_device(struct iio_dev *indio_dev) diff --git a/drivers/iio/imu/adis_trigger.c b/drivers/iio/imu/adis_trigger.c index f53e9a803a0e..0dd5a381be64 100644 --- a/drivers/iio/imu/adis_trigger.c +++ b/drivers/iio/imu/adis_trigger.c @@ -25,7 +25,6 @@ static int adis_data_rdy_trigger_set_state(struct iio_trigger *trig, } static const struct iio_trigger_ops adis_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &adis_data_rdy_trigger_set_state, }; diff --git a/drivers/iio/imu/bmi160/bmi160.h b/drivers/iio/imu/bmi160/bmi160.h index d2ae6ed70271..e7b11e74fd1d 100644 --- a/drivers/iio/imu/bmi160/bmi160.h +++ b/drivers/iio/imu/bmi160/bmi160.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BMI160_H_ #define BMI160_H_ diff --git a/drivers/iio/imu/bmi160/bmi160_core.c b/drivers/iio/imu/bmi160/bmi160_core.c index cfd225ed1c8d..c85659ca9507 100644 --- a/drivers/iio/imu/bmi160/bmi160_core.c +++ b/drivers/iio/imu/bmi160/bmi160_core.c @@ -482,7 +482,6 @@ static const struct attribute_group bmi160_attrs_group = { }; static const struct iio_info bmi160_info = { - .driver_module = THIS_MODULE, .read_raw = bmi160_read_raw, .write_raw = bmi160_write_raw, .attrs = &bmi160_attrs_group, diff --git a/drivers/iio/imu/inv_mpu6050/Makefile b/drivers/iio/imu/inv_mpu6050/Makefile index 734af5e6cef9..70ffe0d13d8c 100644 --- a/drivers/iio/imu/inv_mpu6050/Makefile +++ b/drivers/iio/imu/inv_mpu6050/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Invensense MPU6050 device. # diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 44830bce13df..7d64be353403 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -542,7 +542,9 @@ static int inv_mpu6050_write_raw(struct iio_dev *indio_dev, break; default: result = -EINVAL; + break; } + break; default: result = -EINVAL; break; @@ -570,10 +572,12 @@ error_write_raw_unlock: */ static int inv_mpu6050_set_lpf(struct inv_mpu6050_state *st, int rate) { - const int hz[] = {188, 98, 42, 20, 10, 5}; - const int d[] = {INV_MPU6050_FILTER_188HZ, INV_MPU6050_FILTER_98HZ, - INV_MPU6050_FILTER_42HZ, INV_MPU6050_FILTER_20HZ, - INV_MPU6050_FILTER_10HZ, INV_MPU6050_FILTER_5HZ}; + static const int hz[] = {188, 98, 42, 20, 10, 5}; + static const int d[] = { + INV_MPU6050_FILTER_188HZ, INV_MPU6050_FILTER_98HZ, + INV_MPU6050_FILTER_42HZ, INV_MPU6050_FILTER_20HZ, + INV_MPU6050_FILTER_10HZ, INV_MPU6050_FILTER_5HZ + }; int i, h, result; u8 data; @@ -795,7 +799,6 @@ static const struct attribute_group inv_attribute_group = { }; static const struct iio_info mpu_info = { - .driver_module = THIS_MODULE, .read_raw = &inv_mpu6050_read_raw, .write_raw = &inv_mpu6050_write_raw, .write_raw_get_fmt = &inv_write_raw_get_fmt, diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c index 540070f0a230..f963f9fc98c0 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c @@ -114,7 +114,6 @@ static int inv_mpu_data_rdy_trigger_set_state(struct iio_trigger *trig, } static const struct iio_trigger_ops inv_mpu_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &inv_mpu_data_rdy_trigger_set_state, }; diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c index 2e7dd5754a56..44b3f5397343 100644 --- a/drivers/iio/imu/kmx61.c +++ b/drivers/iio/imu/kmx61.c @@ -1003,7 +1003,6 @@ static int kmx61_mag_validate_trigger(struct iio_dev *indio_dev, } static const struct iio_info kmx61_acc_info = { - .driver_module = THIS_MODULE, .read_raw = kmx61_read_raw, .write_raw = kmx61_write_raw, .attrs = &kmx61_acc_attribute_group, @@ -1015,7 +1014,6 @@ static const struct iio_info kmx61_acc_info = { }; static const struct iio_info kmx61_mag_info = { - .driver_module = THIS_MODULE, .read_raw = kmx61_read_raw, .write_raw = kmx61_write_raw, .attrs = &kmx61_mag_attribute_group, @@ -1087,7 +1085,6 @@ static int kmx61_trig_try_reenable(struct iio_trigger *trig) static const struct iio_trigger_ops kmx61_trigger_ops = { .set_trigger_state = kmx61_data_rdy_trigger_set_state, .try_reenable = kmx61_trig_try_reenable, - .owner = THIS_MODULE, }; static irqreturn_t kmx61_event_handler(int irq, void *private) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index 46352c7bff43..4fdb7fcc3ea8 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -29,8 +29,6 @@ enum st_lsm6dsx_hw_id { #define ST_LSM6DSX_CHAN_SIZE 2 #define ST_LSM6DSX_SAMPLE_SIZE 6 -#define ST_LSM6DSX_SAMPLE_DEPTH (ST_LSM6DSX_SAMPLE_SIZE / \ - ST_LSM6DSX_CHAN_SIZE) #if defined(CONFIG_SPI_MASTER) #define ST_LSM6DSX_RX_MAX_LENGTH 256 @@ -52,10 +50,38 @@ struct st_lsm6dsx_reg { u8 mask; }; +/** + * struct st_lsm6dsx_fifo_ops - ST IMU FIFO settings + * @fifo_th: FIFO threshold register info (addr + mask). + * @fifo_diff: FIFO diff status register info (addr + mask). + * @th_wl: FIFO threshold word length. + */ +struct st_lsm6dsx_fifo_ops { + struct { + u8 addr; + u16 mask; + } fifo_th; + struct { + u8 addr; + u16 mask; + } fifo_diff; + u8 th_wl; +}; + +/** + * struct st_lsm6dsx_settings - ST IMU sensor settings + * @wai: Sensor WhoAmI default value. + * @max_fifo_size: Sensor max fifo length in FIFO words. + * @id: List of hw id supported by the driver configuration. + * @decimator: List of decimator register info (addr + mask). + * @fifo_ops: Sensor hw FIFO parameters. + */ struct st_lsm6dsx_settings { u8 wai; u16 max_fifo_size; enum st_lsm6dsx_hw_id id[ST_LSM6DSX_MAX_ID]; + struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID]; + struct st_lsm6dsx_fifo_ops fifo_ops; }; enum st_lsm6dsx_sensor_id { @@ -79,7 +105,6 @@ enum st_lsm6dsx_fifo_mode { * @watermark: Sensor watermark level. * @sip: Number of samples in a given pattern. * @decimator: FIFO decimation factor. - * @decimator_mask: Sensor mask for decimation register. * @delta_ts: Delta time between two consecutive interrupts. * @ts: Latest timestamp from the interrupt handler. */ @@ -94,7 +119,6 @@ struct st_lsm6dsx_sensor { u16 watermark; u8 sip; u8 decimator; - u8 decimator_mask; s64 delta_ts; s64 ts; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c index e2737dc71b67..755c472e8a05 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -35,10 +35,6 @@ #include "st_lsm6dsx.h" -#define ST_LSM6DSX_REG_FIFO_THL_ADDR 0x06 -#define ST_LSM6DSX_REG_FIFO_THH_ADDR 0x07 -#define ST_LSM6DSX_FIFO_TH_MASK GENMASK(11, 0) -#define ST_LSM6DSX_REG_FIFO_DEC_GXL_ADDR 0x08 #define ST_LSM6DSX_REG_HLACTIVE_ADDR 0x12 #define ST_LSM6DSX_REG_HLACTIVE_MASK BIT(5) #define ST_LSM6DSX_REG_PP_OD_ADDR 0x12 @@ -46,8 +42,6 @@ #define ST_LSM6DSX_REG_FIFO_MODE_ADDR 0x0a #define ST_LSM6DSX_FIFO_MODE_MASK GENMASK(2, 0) #define ST_LSM6DSX_FIFO_ODR_MASK GENMASK(6, 3) -#define ST_LSM6DSX_REG_FIFO_DIFFL_ADDR 0x3a -#define ST_LSM6DSX_FIFO_DIFF_MASK GENMASK(11, 0) #define ST_LSM6DSX_FIFO_EMPTY_MASK BIT(12) #define ST_LSM6DSX_REG_FIFO_OUTL_ADDR 0x3e @@ -110,8 +104,9 @@ static int st_lsm6dsx_update_decimators(struct st_lsm6dsx_hw *hw) st_lsm6dsx_get_max_min_odr(hw, &max_odr, &min_odr); for (i = 0; i < ST_LSM6DSX_ID_MAX; i++) { - sensor = iio_priv(hw->iio_devs[i]); + const struct st_lsm6dsx_reg *dec_reg; + sensor = iio_priv(hw->iio_devs[i]); /* update fifo decimators and sample in pattern */ if (hw->enable_mask & BIT(sensor->id)) { sensor->sip = sensor->odr / min_odr; @@ -123,12 +118,13 @@ static int st_lsm6dsx_update_decimators(struct st_lsm6dsx_hw *hw) data = 0; } - err = st_lsm6dsx_write_with_mask(hw, - ST_LSM6DSX_REG_FIFO_DEC_GXL_ADDR, - sensor->decimator_mask, data); - if (err < 0) - return err; - + dec_reg = &hw->settings->decimator[sensor->id]; + if (dec_reg->addr) { + err = st_lsm6dsx_write_with_mask(hw, dec_reg->addr, + dec_reg->mask, data); + if (err < 0) + return err; + } sip += sensor->sip; } hw->sip = sip; @@ -139,23 +135,10 @@ static int st_lsm6dsx_update_decimators(struct st_lsm6dsx_hw *hw) int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw, enum st_lsm6dsx_fifo_mode fifo_mode) { - u8 data; int err; - switch (fifo_mode) { - case ST_LSM6DSX_FIFO_BYPASS: - data = fifo_mode; - break; - case ST_LSM6DSX_FIFO_CONT: - data = (ST_LSM6DSX_MAX_FIFO_ODR_VAL << - __ffs(ST_LSM6DSX_FIFO_ODR_MASK)) | fifo_mode; - break; - default: - return -EINVAL; - } - - err = hw->tf->write(hw->dev, ST_LSM6DSX_REG_FIFO_MODE_ADDR, - sizeof(data), &data); + err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_FIFO_MODE_ADDR, + ST_LSM6DSX_FIFO_MODE_MASK, fifo_mode); if (err < 0) return err; @@ -164,9 +147,20 @@ int st_lsm6dsx_set_fifo_mode(struct st_lsm6dsx_hw *hw, return 0; } +static int st_lsm6dsx_set_fifo_odr(struct st_lsm6dsx_sensor *sensor, + bool enable) +{ + struct st_lsm6dsx_hw *hw = sensor->hw; + u8 data; + + data = hw->enable_mask ? ST_LSM6DSX_MAX_FIFO_ODR_VAL : 0; + return st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_FIFO_MODE_ADDR, + ST_LSM6DSX_FIFO_ODR_MASK, data); +} + int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor, u16 watermark) { - u16 fifo_watermark = ~0, cur_watermark, sip = 0; + u16 fifo_watermark = ~0, cur_watermark, sip = 0, fifo_th_mask; struct st_lsm6dsx_hw *hw = sensor->hw; struct st_lsm6dsx_sensor *cur_sensor; __le16 wdata; @@ -191,20 +185,21 @@ int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor, u16 watermark) fifo_watermark = max_t(u16, fifo_watermark, sip); fifo_watermark = (fifo_watermark / sip) * sip; - fifo_watermark = fifo_watermark * ST_LSM6DSX_SAMPLE_DEPTH; + fifo_watermark = fifo_watermark * hw->settings->fifo_ops.th_wl; mutex_lock(&hw->lock); - err = hw->tf->read(hw->dev, ST_LSM6DSX_REG_FIFO_THH_ADDR, + err = hw->tf->read(hw->dev, hw->settings->fifo_ops.fifo_th.addr + 1, sizeof(data), &data); if (err < 0) goto out; - fifo_watermark = ((data << 8) & ~ST_LSM6DSX_FIFO_TH_MASK) | - (fifo_watermark & ST_LSM6DSX_FIFO_TH_MASK); + fifo_th_mask = hw->settings->fifo_ops.fifo_th.mask; + fifo_watermark = ((data << 8) & ~fifo_th_mask) | + (fifo_watermark & fifo_th_mask); wdata = cpu_to_le16(fifo_watermark); - err = hw->tf->write(hw->dev, ST_LSM6DSX_REG_FIFO_THL_ADDR, + err = hw->tf->write(hw->dev, hw->settings->fifo_ops.fifo_th.addr, sizeof(wdata), (u8 *)&wdata); out: mutex_unlock(&hw->lock); @@ -223,6 +218,7 @@ out: static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) { u16 fifo_len, pattern_len = hw->sip * ST_LSM6DSX_SAMPLE_SIZE; + u16 fifo_diff_mask = hw->settings->fifo_ops.fifo_diff.mask; int err, acc_sip, gyro_sip, read_len, samples, offset; struct st_lsm6dsx_sensor *acc_sensor, *gyro_sensor; s64 acc_ts, acc_delta_ts, gyro_ts, gyro_delta_ts; @@ -230,7 +226,7 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) u8 buff[pattern_len]; __le16 fifo_status; - err = hw->tf->read(hw->dev, ST_LSM6DSX_REG_FIFO_DIFFL_ADDR, + err = hw->tf->read(hw->dev, hw->settings->fifo_ops.fifo_diff.addr, sizeof(fifo_status), (u8 *)&fifo_status); if (err < 0) return err; @@ -238,7 +234,7 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) if (fifo_status & cpu_to_le16(ST_LSM6DSX_FIFO_EMPTY_MASK)) return 0; - fifo_len = (le16_to_cpu(fifo_status) & ST_LSM6DSX_FIFO_DIFF_MASK) * + fifo_len = (le16_to_cpu(fifo_status) & fifo_diff_mask) * ST_LSM6DSX_CHAN_SIZE; samples = fifo_len / ST_LSM6DSX_SAMPLE_SIZE; fifo_len = (fifo_len / pattern_len) * pattern_len; @@ -345,6 +341,10 @@ static int st_lsm6dsx_update_fifo(struct iio_dev *iio_dev, bool enable) return err; } + err = st_lsm6dsx_set_fifo_odr(sensor, enable); + if (err < 0) + return err; + err = st_lsm6dsx_update_decimators(hw); if (err < 0) return err; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index b485540da89e..239c735242be 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -42,8 +42,6 @@ #include "st_lsm6dsx.h" -#define ST_LSM6DSX_REG_ACC_DEC_MASK GENMASK(2, 0) -#define ST_LSM6DSX_REG_GYRO_DEC_MASK GENMASK(5, 3) #define ST_LSM6DSX_REG_INT1_ADDR 0x0d #define ST_LSM6DSX_REG_INT2_ADDR 0x0e #define ST_LSM6DSX_REG_FIFO_FTH_IRQ_MASK BIT(3) @@ -54,10 +52,6 @@ #define ST_LSM6DSX_REG_BDU_MASK BIT(6) #define ST_LSM6DSX_REG_INT2_ON_INT1_ADDR 0x13 #define ST_LSM6DSX_REG_INT2_ON_INT1_MASK BIT(5) -#define ST_LSM6DSX_REG_ROUNDING_ADDR 0x16 -#define ST_LSM6DSX_REG_ROUNDING_MASK BIT(2) -#define ST_LSM6DSX_REG_LIR_ADDR 0x58 -#define ST_LSM6DSX_REG_LIR_MASK BIT(0) #define ST_LSM6DSX_REG_ACC_ODR_ADDR 0x10 #define ST_LSM6DSX_REG_ACC_ODR_MASK GENMASK(7, 4) @@ -160,25 +154,88 @@ static const struct st_lsm6dsx_fs_table_entry st_lsm6dsx_fs_table[] = { static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { { .wai = 0x69, - .max_fifo_size = 8192, + .max_fifo_size = 1365, .id = { [0] = ST_LSM6DS3_ID, }, + .decimator = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x08, + .mask = GENMASK(2, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x08, + .mask = GENMASK(5, 3), + }, + }, + .fifo_ops = { + .fifo_th = { + .addr = 0x06, + .mask = GENMASK(11, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(11, 0), + }, + .th_wl = 3, /* 1LSB = 2B */ + }, }, { .wai = 0x69, - .max_fifo_size = 4096, + .max_fifo_size = 682, .id = { [0] = ST_LSM6DS3H_ID, }, + .decimator = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x08, + .mask = GENMASK(2, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x08, + .mask = GENMASK(5, 3), + }, + }, + .fifo_ops = { + .fifo_th = { + .addr = 0x06, + .mask = GENMASK(11, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(11, 0), + }, + .th_wl = 3, /* 1LSB = 2B */ + }, }, { .wai = 0x6a, - .max_fifo_size = 4096, + .max_fifo_size = 682, .id = { [0] = ST_LSM6DSL_ID, [1] = ST_LSM6DSM_ID, }, + .decimator = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x08, + .mask = GENMASK(2, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x08, + .mask = GENMASK(5, 3), + }, + }, + .fifo_ops = { + .fifo_th = { + .addr = 0x06, + .mask = GENMASK(11, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(11, 0), + }, + .th_wl = 3, /* 1LSB = 2B */ + }, }, }; @@ -322,7 +379,6 @@ static int st_lsm6dsx_check_odr(struct st_lsm6dsx_sensor *sensor, u16 odr, return -EINVAL; *val = st_lsm6dsx_odr_table[sensor->id].odr_avl[i].val; - sensor->odr = odr; return 0; } @@ -449,6 +505,8 @@ static int st_lsm6dsx_write_raw(struct iio_dev *iio_dev, u8 data; err = st_lsm6dsx_check_odr(sensor, val, &data); + if (!err) + sensor->odr = val; break; } default: @@ -465,10 +523,9 @@ static int st_lsm6dsx_set_watermark(struct iio_dev *iio_dev, unsigned int val) { struct st_lsm6dsx_sensor *sensor = iio_priv(iio_dev); struct st_lsm6dsx_hw *hw = sensor->hw; - int err, max_fifo_len; + int err; - max_fifo_len = hw->settings->max_fifo_size / ST_LSM6DSX_SAMPLE_SIZE; - if (val < 1 || val > max_fifo_len) + if (val < 1 || val > hw->settings->max_fifo_size) return -EINVAL; err = st_lsm6dsx_update_watermark(sensor, val); @@ -530,7 +587,6 @@ static const struct attribute_group st_lsm6dsx_acc_attribute_group = { }; static const struct iio_info st_lsm6dsx_acc_info = { - .driver_module = THIS_MODULE, .attrs = &st_lsm6dsx_acc_attribute_group, .read_raw = st_lsm6dsx_read_raw, .write_raw = st_lsm6dsx_write_raw, @@ -548,7 +604,6 @@ static const struct attribute_group st_lsm6dsx_gyro_attribute_group = { }; static const struct iio_info st_lsm6dsx_gyro_info = { - .driver_module = THIS_MODULE, .attrs = &st_lsm6dsx_gyro_attribute_group, .read_raw = st_lsm6dsx_read_raw, .write_raw = st_lsm6dsx_write_raw, @@ -608,23 +663,12 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw) msleep(200); - /* latch interrupts */ - err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_LIR_ADDR, - ST_LSM6DSX_REG_LIR_MASK, 1); - if (err < 0) - return err; - /* enable Block Data Update */ err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_BDU_ADDR, ST_LSM6DSX_REG_BDU_MASK, 1); if (err < 0) return err; - err = st_lsm6dsx_write_with_mask(hw, ST_LSM6DSX_REG_ROUNDING_ADDR, - ST_LSM6DSX_REG_ROUNDING_MASK, 1); - if (err < 0) - return err; - /* enable FIFO watermak interrupt */ err = st_lsm6dsx_get_drdy_reg(hw, &drdy_int_reg); if (err < 0) @@ -662,7 +706,6 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw, iio_dev->num_channels = ARRAY_SIZE(st_lsm6dsx_acc_channels); iio_dev->info = &st_lsm6dsx_acc_info; - sensor->decimator_mask = ST_LSM6DSX_REG_ACC_DEC_MASK; scnprintf(sensor->name, sizeof(sensor->name), "%s_accel", name); break; @@ -671,7 +714,6 @@ static struct iio_dev *st_lsm6dsx_alloc_iiodev(struct st_lsm6dsx_hw *hw, iio_dev->num_channels = ARRAY_SIZE(st_lsm6dsx_gyro_channels); iio_dev->info = &st_lsm6dsx_gyro_info; - sensor->decimator_mask = ST_LSM6DSX_REG_GYRO_DEC_MASK; scnprintf(sensor->name, sizeof(sensor->name), "%s_gyro", name); break; diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index a47428b4d31b..9c4cfd19b739 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -1662,14 +1662,11 @@ static int iio_check_unique_scan_index(struct iio_dev *indio_dev) static const struct iio_buffer_setup_ops noop_ring_setup_ops; -/** - * iio_device_register() - register a device with the IIO subsystem - * @indio_dev: Device structure filled by the device driver - **/ -int iio_device_register(struct iio_dev *indio_dev) +int __iio_device_register(struct iio_dev *indio_dev, struct module *this_mod) { int ret; + indio_dev->driver_module = this_mod; /* If the calling driver did not initialize of_node, do it here */ if (!indio_dev->dev.of_node && indio_dev->dev.parent) indio_dev->dev.of_node = indio_dev->dev.parent->of_node; @@ -1715,7 +1712,8 @@ int iio_device_register(struct iio_dev *indio_dev) indio_dev->setup_ops = &noop_ring_setup_ops; cdev_init(&indio_dev->chrdev, &iio_buffer_fileops); - indio_dev->chrdev.owner = indio_dev->info->driver_module; + + indio_dev->chrdev.owner = this_mod; ret = cdev_device_add(&indio_dev->chrdev, &indio_dev->dev); if (ret < 0) @@ -1733,7 +1731,7 @@ error_unreg_debugfs: iio_device_unregister_debugfs(indio_dev); return ret; } -EXPORT_SYMBOL(iio_device_register); +EXPORT_SYMBOL(__iio_device_register); /** * iio_device_unregister() - unregister a device from the IIO subsystem @@ -1765,23 +1763,8 @@ static void devm_iio_device_unreg(struct device *dev, void *res) iio_device_unregister(*(struct iio_dev **)res); } -/** - * devm_iio_device_register - Resource-managed iio_device_register() - * @dev: Device to allocate iio_dev for - * @indio_dev: Device structure filled by the device driver - * - * Managed iio_device_register. The IIO device registered with this - * function is automatically unregistered on driver detach. This function - * calls iio_device_register() internally. Refer to that function for more - * information. - * - * If an iio_dev registered with this function needs to be unregistered - * separately, devm_iio_device_unregister() must be used. - * - * RETURNS: - * 0 on success, negative error number on failure. - */ -int devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev) +int __devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev, + struct module *this_mod) { struct iio_dev **ptr; int ret; @@ -1791,7 +1774,7 @@ int devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev) return -ENOMEM; *ptr = indio_dev; - ret = iio_device_register(indio_dev); + ret = __iio_device_register(indio_dev, this_mod); if (!ret) devres_add(dev, ptr); else @@ -1799,7 +1782,7 @@ int devm_iio_device_register(struct device *dev, struct iio_dev *indio_dev) return ret; } -EXPORT_SYMBOL_GPL(devm_iio_device_register); +EXPORT_SYMBOL_GPL(__devm_iio_device_register); /** * devm_iio_device_unregister - Resource-managed iio_device_unregister() diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index 4061fed93f1f..ce66699c7fcc 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -66,13 +66,12 @@ ATTRIBUTE_GROUPS(iio_trig_dev); static struct iio_trigger *__iio_trigger_find_by_name(const char *name); -int iio_trigger_register(struct iio_trigger *trig_info) +int __iio_trigger_register(struct iio_trigger *trig_info, + struct module *this_mod) { int ret; - /* trig_info->ops is required for the module member */ - if (!trig_info->ops) - return -EINVAL; + trig_info->owner = this_mod; trig_info->id = ida_simple_get(&iio_trigger_ida, 0, 0, GFP_KERNEL); if (trig_info->id < 0) @@ -105,7 +104,7 @@ error_unregister_id: ida_simple_remove(&iio_trigger_ida, trig_info->id); return ret; } -EXPORT_SYMBOL(iio_trigger_register); +EXPORT_SYMBOL(__iio_trigger_register); void iio_trigger_unregister(struct iio_trigger *trig_info) { @@ -206,7 +205,8 @@ EXPORT_SYMBOL(iio_trigger_poll_chained); void iio_trigger_notify_done(struct iio_trigger *trig) { - if (atomic_dec_and_test(&trig->use_count) && trig->ops->try_reenable) + if (atomic_dec_and_test(&trig->use_count) && trig->ops && + trig->ops->try_reenable) if (trig->ops->try_reenable(trig)) /* Missed an interrupt so launch new poll now */ iio_trigger_poll(trig); @@ -250,7 +250,7 @@ static int iio_trigger_attach_poll_func(struct iio_trigger *trig, = bitmap_empty(trig->pool, CONFIG_IIO_CONSUMERS_PER_TRIGGER); /* Prevent the module from being removed whilst attached to a trigger */ - __module_get(pf->indio_dev->info->driver_module); + __module_get(pf->indio_dev->driver_module); /* Get irq number */ pf->irq = iio_trigger_get_irq(trig); @@ -265,7 +265,7 @@ static int iio_trigger_attach_poll_func(struct iio_trigger *trig, goto out_put_irq; /* Enable trigger in driver */ - if (trig->ops->set_trigger_state && notinuse) { + if (trig->ops && trig->ops->set_trigger_state && notinuse) { ret = trig->ops->set_trigger_state(trig, true); if (ret < 0) goto out_free_irq; @@ -286,7 +286,7 @@ out_free_irq: out_put_irq: iio_trigger_put_irq(trig, pf->irq); out_put_module: - module_put(pf->indio_dev->info->driver_module); + module_put(pf->indio_dev->driver_module); return ret; } @@ -298,7 +298,7 @@ static int iio_trigger_detach_poll_func(struct iio_trigger *trig, = (bitmap_weight(trig->pool, CONFIG_IIO_CONSUMERS_PER_TRIGGER) == 1); - if (trig->ops->set_trigger_state && no_other_users) { + if (trig->ops && trig->ops->set_trigger_state && no_other_users) { ret = trig->ops->set_trigger_state(trig, false); if (ret) return ret; @@ -307,7 +307,7 @@ static int iio_trigger_detach_poll_func(struct iio_trigger *trig, trig->attached_own_device = false; iio_trigger_put_irq(trig, pf->irq); free_irq(pf->irq, pf); - module_put(pf->indio_dev->info->driver_module); + module_put(pf->indio_dev->driver_module); return ret; } @@ -428,7 +428,7 @@ static ssize_t iio_trigger_write_current(struct device *dev, goto out_trigger_put; } - if (trig && trig->ops->validate_device) { + if (trig && trig->ops && trig->ops->validate_device) { ret = trig->ops->validate_device(trig, indio_dev); if (ret) goto out_trigger_put; @@ -663,9 +663,10 @@ static void devm_iio_trigger_unreg(struct device *dev, void *res) } /** - * devm_iio_trigger_register - Resource-managed iio_trigger_register() + * __devm_iio_trigger_register - Resource-managed iio_trigger_register() * @dev: device this trigger was allocated for * @trig_info: trigger to register + * @this_mod: module registering the trigger * * Managed iio_trigger_register(). The IIO trigger registered with this * function is automatically unregistered on driver detach. This function @@ -678,7 +679,9 @@ static void devm_iio_trigger_unreg(struct device *dev, void *res) * RETURNS: * 0 on success, negative error number on failure. */ -int devm_iio_trigger_register(struct device *dev, struct iio_trigger *trig_info) +int __devm_iio_trigger_register(struct device *dev, + struct iio_trigger *trig_info, + struct module *this_mod) { struct iio_trigger **ptr; int ret; @@ -688,7 +691,7 @@ int devm_iio_trigger_register(struct device *dev, struct iio_trigger *trig_info) return -ENOMEM; *ptr = trig_info; - ret = iio_trigger_register(trig_info); + ret = __iio_trigger_register(trig_info, this_mod); if (!ret) devres_add(dev, ptr); else @@ -696,7 +699,7 @@ int devm_iio_trigger_register(struct device *dev, struct iio_trigger *trig_info) return ret; } -EXPORT_SYMBOL_GPL(devm_iio_trigger_register); +EXPORT_SYMBOL_GPL(__devm_iio_trigger_register); /** * devm_iio_trigger_unregister - Resource-managed iio_trigger_unregister() diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile index fa32fa459e2e..c263469b7ce9 100644 --- a/drivers/iio/light/Makefile +++ b/drivers/iio/light/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for IIO Light sensors # diff --git a/drivers/iio/light/acpi-als.c b/drivers/iio/light/acpi-als.c index f0b47c501f4e..c35e2f8df339 100644 --- a/drivers/iio/light/acpi-als.c +++ b/drivers/iio/light/acpi-als.c @@ -171,7 +171,6 @@ static int acpi_als_read_raw(struct iio_dev *indio_dev, } static const struct iio_info acpi_als_info = { - .driver_module = THIS_MODULE, .read_raw = acpi_als_read_raw, }; diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c index 0113fc843a81..e45bb6a277c2 100644 --- a/drivers/iio/light/adjd_s311.c +++ b/drivers/iio/light/adjd_s311.c @@ -245,7 +245,6 @@ static const struct iio_info adjd_s311_info = { .read_raw = adjd_s311_read_raw, .write_raw = adjd_s311_write_raw, .update_scan_mode = adjd_s311_update_scan_mode, - .driver_module = THIS_MODULE, }; static int adjd_s311_probe(struct i2c_client *client, diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c index 6aac6513fd41..66623facea9a 100644 --- a/drivers/iio/light/al3320a.c +++ b/drivers/iio/light/al3320a.c @@ -168,7 +168,6 @@ static int al3320a_write_raw(struct iio_dev *indio_dev, } static const struct iio_info al3320a_info = { - .driver_module = THIS_MODULE, .read_raw = al3320a_read_raw, .write_raw = al3320a_write_raw, .attrs = &al3320a_attribute_group, diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c index 05eacd1ee40f..5c15736fb93e 100644 --- a/drivers/iio/light/apds9300.c +++ b/drivers/iio/light/apds9300.c @@ -337,12 +337,10 @@ static int apds9300_write_interrupt_config(struct iio_dev *indio_dev, } static const struct iio_info apds9300_info_no_irq = { - .driver_module = THIS_MODULE, .read_raw = apds9300_read_raw, }; static const struct iio_info apds9300_info = { - .driver_module = THIS_MODULE, .read_raw = apds9300_read_raw, .read_event_value = apds9300_read_thresh, .write_event_value = apds9300_write_thresh, diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c index 518a47e9377b..a8fa00e31c39 100644 --- a/drivers/iio/light/apds9960.c +++ b/drivers/iio/light/apds9960.c @@ -744,7 +744,6 @@ static int apds9960_write_event_config(struct iio_dev *indio_dev, } static const struct iio_info apds9960_info = { - .driver_module = THIS_MODULE, .attrs = &apds9960_attribute_group, .read_raw = apds9960_read_raw, .write_raw = apds9960_write_raw, diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c index 6c61187e630f..a814828e69f5 100644 --- a/drivers/iio/light/bh1750.c +++ b/drivers/iio/light/bh1750.c @@ -217,7 +217,6 @@ static const struct attribute_group bh1750_attribute_group = { }; static const struct iio_info bh1750_info = { - .driver_module = THIS_MODULE, .attrs = &bh1750_attribute_group, .read_raw = bh1750_read_raw, .write_raw = bh1750_write_raw, diff --git a/drivers/iio/light/bh1780.c b/drivers/iio/light/bh1780.c index b54dcba05a82..036f3bbe323c 100644 --- a/drivers/iio/light/bh1780.c +++ b/drivers/iio/light/bh1780.c @@ -128,7 +128,6 @@ static int bh1780_read_raw(struct iio_dev *indio_dev, } static const struct iio_info bh1780_info = { - .driver_module = THIS_MODULE, .read_raw = bh1780_read_raw, .debugfs_reg_access = bh1780_debugfs_reg_access, }; diff --git a/drivers/iio/light/cm32181.c b/drivers/iio/light/cm32181.c index d6fd0dace74f..aebf7dd071af 100644 --- a/drivers/iio/light/cm32181.c +++ b/drivers/iio/light/cm32181.c @@ -292,7 +292,6 @@ static const struct attribute_group cm32181_attribute_group = { }; static const struct iio_info cm32181_info = { - .driver_module = THIS_MODULE, .read_raw = &cm32181_read_raw, .write_raw = &cm32181_write_raw, .attrs = &cm32181_attribute_group, diff --git a/drivers/iio/light/cm3232.c b/drivers/iio/light/cm3232.c index 263e97235ea0..c639cf276ee6 100644 --- a/drivers/iio/light/cm3232.c +++ b/drivers/iio/light/cm3232.c @@ -322,7 +322,6 @@ static const struct attribute_group cm3232_attribute_group = { }; static const struct iio_info cm3232_info = { - .driver_module = THIS_MODULE, .read_raw = &cm3232_read_raw, .write_raw = &cm3232_write_raw, .attrs = &cm3232_attribute_group, diff --git a/drivers/iio/light/cm3323.c b/drivers/iio/light/cm3323.c index d823c112d54b..83b08b6dc60f 100644 --- a/drivers/iio/light/cm3323.c +++ b/drivers/iio/light/cm3323.c @@ -211,7 +211,6 @@ static int cm3323_write_raw(struct iio_dev *indio_dev, } static const struct iio_info cm3323_info = { - .driver_module = THIS_MODULE, .read_raw = cm3323_read_raw, .write_raw = cm3323_write_raw, .attrs = &cm3323_attribute_group, diff --git a/drivers/iio/light/cm3605.c b/drivers/iio/light/cm3605.c index 980624e9ffb5..e454bc6a33c6 100644 --- a/drivers/iio/light/cm3605.c +++ b/drivers/iio/light/cm3605.c @@ -126,7 +126,6 @@ static int cm3605_read_raw(struct iio_dev *indio_dev, } static const struct iio_info cm3605_info = { - .driver_module = THIS_MODULE, .read_raw = cm3605_read_raw, }; diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c index 9d66e89c57ef..1dd8ed0121b3 100644 --- a/drivers/iio/light/cm36651.c +++ b/drivers/iio/light/cm36651.c @@ -612,7 +612,6 @@ static const struct attribute_group cm36651_attribute_group = { }; static const struct iio_info cm36651_info = { - .driver_module = THIS_MODULE, .read_raw = &cm36651_read_raw, .write_raw = &cm36651_write_raw, .read_event_value = &cm36651_read_prox_thresh, diff --git a/drivers/iio/light/cros_ec_light_prox.c b/drivers/iio/light/cros_ec_light_prox.c index 721722376fd0..b2a46b390d5c 100644 --- a/drivers/iio/light/cros_ec_light_prox.c +++ b/drivers/iio/light/cros_ec_light_prox.c @@ -175,7 +175,6 @@ static int cros_ec_light_prox_write(struct iio_dev *indio_dev, static const struct iio_info cros_ec_light_prox_info = { .read_raw = &cros_ec_light_prox_read, .write_raw = &cros_ec_light_prox_write, - .driver_module = THIS_MODULE, }; static int cros_ec_light_prox_probe(struct platform_device *pdev) diff --git a/drivers/iio/light/gp2ap020a00f.c b/drivers/iio/light/gp2ap020a00f.c index 6ada9149f142..44b13fbcd093 100644 --- a/drivers/iio/light/gp2ap020a00f.c +++ b/drivers/iio/light/gp2ap020a00f.c @@ -1384,7 +1384,6 @@ static const struct iio_info gp2ap020a00f_info = { .read_event_config = &gp2ap020a00f_read_event_config, .write_event_value = &gp2ap020a00f_write_event_val, .write_event_config = &gp2ap020a00f_write_event_config, - .driver_module = THIS_MODULE, }; static int gp2ap020a00f_buffer_postenable(struct iio_dev *indio_dev) @@ -1481,7 +1480,6 @@ static const struct iio_buffer_setup_ops gp2ap020a00f_buffer_setup_ops = { }; static const struct iio_trigger_ops gp2ap020a00f_trigger_ops = { - .owner = THIS_MODULE, }; static int gp2ap020a00f_probe(struct i2c_client *client, diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index 059d964772c7..befd693a4a31 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -177,7 +177,6 @@ static int als_write_raw(struct iio_dev *indio_dev, } static const struct iio_info als_info = { - .driver_module = THIS_MODULE, .read_raw = &als_read_raw, .write_raw = &als_write_raw, }; diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c index 73fced8a63b7..45107f7537b5 100644 --- a/drivers/iio/light/hid-sensor-prox.c +++ b/drivers/iio/light/hid-sensor-prox.c @@ -156,7 +156,6 @@ static int prox_write_raw(struct iio_dev *indio_dev, } static const struct iio_info prox_info = { - .driver_module = THIS_MODULE, .read_raw = &prox_read_raw, .write_raw = &prox_write_raw, }; diff --git a/drivers/iio/light/isl29018.c b/drivers/iio/light/isl29018.c index 61f5924b472d..b45400f8fef4 100644 --- a/drivers/iio/light/isl29018.c +++ b/drivers/iio/light/isl29018.c @@ -624,14 +624,12 @@ static int isl29018_chip_init(struct isl29018_chip *chip) static const struct iio_info isl29018_info = { .attrs = &isl29018_group, - .driver_module = THIS_MODULE, .read_raw = isl29018_read_raw, .write_raw = isl29018_write_raw, }; static const struct iio_info isl29023_info = { .attrs = &isl29023_group, - .driver_module = THIS_MODULE, .read_raw = isl29018_read_raw, .write_raw = isl29018_write_raw, }; diff --git a/drivers/iio/light/isl29028.c b/drivers/iio/light/isl29028.c index 3d09c1fc4dad..f9912ab4f65c 100644 --- a/drivers/iio/light/isl29028.c +++ b/drivers/iio/light/isl29028.c @@ -536,7 +536,6 @@ static const struct iio_chan_spec isl29028_channels[] = { static const struct iio_info isl29028_info = { .attrs = &isl29108_group, - .driver_module = THIS_MODULE, .read_raw = isl29028_read_raw, .write_raw = isl29028_write_raw, }; diff --git a/drivers/iio/light/isl29125.c b/drivers/iio/light/isl29125.c index 1d2c0c8a1d4f..ed38edcd5efe 100644 --- a/drivers/iio/light/isl29125.c +++ b/drivers/iio/light/isl29125.c @@ -214,7 +214,6 @@ static const struct iio_info isl29125_info = { .read_raw = isl29125_read_raw, .write_raw = isl29125_write_raw, .attrs = &isl29125_attribute_group, - .driver_module = THIS_MODULE, }; static int isl29125_buffer_preenable(struct iio_dev *indio_dev) diff --git a/drivers/iio/light/jsa1212.c b/drivers/iio/light/jsa1212.c index e8a8931b4f50..811505d925b3 100644 --- a/drivers/iio/light/jsa1212.c +++ b/drivers/iio/light/jsa1212.c @@ -271,7 +271,6 @@ static const struct iio_chan_spec jsa1212_channels[] = { }; static const struct iio_info jsa1212_info = { - .driver_module = THIS_MODULE, .read_raw = &jsa1212_read_raw, }; diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c index 0443fd2e8757..36208a3652e9 100644 --- a/drivers/iio/light/lm3533-als.c +++ b/drivers/iio/light/lm3533-als.c @@ -827,7 +827,6 @@ static int lm3533_als_disable(struct lm3533_als *als) static const struct iio_info lm3533_als_info = { .attrs = &lm3533_als_attribute_group, .event_attrs = &lm3533_als_event_attribute_group, - .driver_module = THIS_MODULE, .read_raw = &lm3533_als_read_raw, }; diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index 67838edd8b37..830a2d45aa4d 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1158,7 +1158,6 @@ static const struct iio_info ltr501_info_no_irq = { .read_raw = ltr501_read_raw, .write_raw = ltr501_write_raw, .attrs = <r501_attribute_group, - .driver_module = THIS_MODULE, }; static const struct iio_info ltr501_info = { @@ -1169,14 +1168,12 @@ static const struct iio_info ltr501_info = { .write_event_value = <r501_write_event, .read_event_config = <r501_read_event_config, .write_event_config = <r501_write_event_config, - .driver_module = THIS_MODULE, }; static const struct iio_info ltr301_info_no_irq = { .read_raw = ltr501_read_raw, .write_raw = ltr501_write_raw, .attrs = <r301_attribute_group, - .driver_module = THIS_MODULE, }; static const struct iio_info ltr301_info = { @@ -1187,7 +1184,6 @@ static const struct iio_info ltr301_info = { .write_event_value = <r501_write_event, .read_event_config = <r501_read_event_config, .write_event_config = <r501_write_event_config, - .driver_module = THIS_MODULE, }; static struct ltr501_chip_info ltr501_chip_info_tbl[] = { diff --git a/drivers/iio/light/max44000.c b/drivers/iio/light/max44000.c index 81bd8e8da4a6..bcdb0eb9e537 100644 --- a/drivers/iio/light/max44000.c +++ b/drivers/iio/light/max44000.c @@ -402,7 +402,6 @@ static const struct attribute_group max44000_attribute_group = { }; static const struct iio_info max44000_info = { - .driver_module = THIS_MODULE, .read_raw = max44000_read_raw, .write_raw = max44000_write_raw, .write_raw_get_fmt = max44000_write_raw_get_fmt, diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index b91ebc3483ce..54d88b60e303 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -585,7 +585,6 @@ err: } static const struct iio_info opt3001_info = { - .driver_module = THIS_MODULE, .attrs = &opt3001_attribute_group, .read_raw = opt3001_read_raw, .write_raw = opt3001_write_raw, diff --git a/drivers/iio/light/pa12203001.c b/drivers/iio/light/pa12203001.c index 76a9e12b46bc..30ea1a088dd9 100644 --- a/drivers/iio/light/pa12203001.c +++ b/drivers/iio/light/pa12203001.c @@ -306,7 +306,6 @@ static int pa12203001_write_raw(struct iio_dev *indio_dev, } static const struct iio_info pa12203001_info = { - .driver_module = THIS_MODULE, .read_raw = pa12203001_read_raw, .write_raw = pa12203001_write_raw, .attrs = &pa12203001_attr_group, diff --git a/drivers/iio/light/rpr0521.c b/drivers/iio/light/rpr0521.c index a6efa12613a2..ffe9ce798ea2 100644 --- a/drivers/iio/light/rpr0521.c +++ b/drivers/iio/light/rpr0521.c @@ -538,7 +538,6 @@ static int rpr0521_pxs_drdy_set_state(struct iio_trigger *trigger, static const struct iio_trigger_ops rpr0521_trigger_ops = { .set_trigger_state = rpr0521_pxs_drdy_set_state, - .owner = THIS_MODULE, }; @@ -830,7 +829,6 @@ static int rpr0521_write_raw(struct iio_dev *indio_dev, } static const struct iio_info rpr0521_info = { - .driver_module = THIS_MODULE, .read_raw = rpr0521_read_raw, .write_raw = rpr0521_write_raw, .attrs = &rpr0521_attribute_group, diff --git a/drivers/iio/light/si1145.c b/drivers/iio/light/si1145.c index 096034c126a4..76f16f9c7616 100644 --- a/drivers/iio/light/si1145.c +++ b/drivers/iio/light/si1145.c @@ -989,14 +989,12 @@ static const struct attribute_group si114x_attribute_group = { static const struct iio_info si1132_info = { .read_raw = si1145_read_raw, .write_raw = si1145_write_raw, - .driver_module = THIS_MODULE, .attrs = &si1132_attribute_group, }; static const struct iio_info si114x_info = { .read_raw = si1145_read_raw, .write_raw = si1145_write_raw, - .driver_module = THIS_MODULE, .attrs = &si114x_attribute_group, }; @@ -1237,7 +1235,6 @@ disable: } static const struct iio_trigger_ops si1145_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = si1145_trigger_set_state, }; diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c index 45cf8b0a4363..6e2a169da950 100644 --- a/drivers/iio/light/stk3310.c +++ b/drivers/iio/light/stk3310.c @@ -409,7 +409,6 @@ static int stk3310_write_raw(struct iio_dev *indio_dev, } static const struct iio_info stk3310_info = { - .driver_module = THIS_MODULE, .read_raw = stk3310_read_raw, .write_raw = stk3310_write_raw, .attrs = &stk3310_attribute_group, diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c index a795afb7667b..205e5659ce6b 100644 --- a/drivers/iio/light/tcs3414.c +++ b/drivers/iio/light/tcs3414.c @@ -241,7 +241,6 @@ static const struct iio_info tcs3414_info = { .read_raw = tcs3414_read_raw, .write_raw = tcs3414_write_raw, .attrs = &tcs3414_attribute_group, - .driver_module = THIS_MODULE, }; static int tcs3414_buffer_preenable(struct iio_dev *indio_dev) diff --git a/drivers/iio/light/tcs3472.c b/drivers/iio/light/tcs3472.c index 09e6ca5e332e..e7923b514d7a 100644 --- a/drivers/iio/light/tcs3472.c +++ b/drivers/iio/light/tcs3472.c @@ -13,7 +13,7 @@ * * Datasheet: http://ams.com/eng/content/download/319364/1117183/file/TCS3472_Datasheet_EN_v2.pdf * - * TODO: interrupt support, thresholds, wait time + * TODO: wait time */ #include <linux/module.h> @@ -23,6 +23,7 @@ #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> +#include <linux/iio/events.h> #include <linux/iio/trigger_consumer.h> #include <linux/iio/buffer.h> #include <linux/iio/triggered_buffer.h> @@ -31,12 +32,15 @@ #define TCS3472_COMMAND BIT(7) #define TCS3472_AUTO_INCR BIT(5) +#define TCS3472_SPECIAL_FUNC (BIT(5) | BIT(6)) + +#define TCS3472_INTR_CLEAR (TCS3472_COMMAND | TCS3472_SPECIAL_FUNC | 0x06) #define TCS3472_ENABLE (TCS3472_COMMAND | 0x00) #define TCS3472_ATIME (TCS3472_COMMAND | 0x01) #define TCS3472_WTIME (TCS3472_COMMAND | 0x03) -#define TCS3472_AILT (TCS3472_COMMAND | 0x04) -#define TCS3472_AIHT (TCS3472_COMMAND | 0x06) +#define TCS3472_AILT (TCS3472_COMMAND | TCS3472_AUTO_INCR | 0x04) +#define TCS3472_AIHT (TCS3472_COMMAND | TCS3472_AUTO_INCR | 0x06) #define TCS3472_PERS (TCS3472_COMMAND | 0x0c) #define TCS3472_CONFIG (TCS3472_COMMAND | 0x0d) #define TCS3472_CONTROL (TCS3472_COMMAND | 0x0f) @@ -47,19 +51,42 @@ #define TCS3472_GDATA (TCS3472_COMMAND | TCS3472_AUTO_INCR | 0x18) #define TCS3472_BDATA (TCS3472_COMMAND | TCS3472_AUTO_INCR | 0x1a) +#define TCS3472_STATUS_AINT BIT(4) #define TCS3472_STATUS_AVALID BIT(0) +#define TCS3472_ENABLE_AIEN BIT(4) #define TCS3472_ENABLE_AEN BIT(1) #define TCS3472_ENABLE_PON BIT(0) #define TCS3472_CONTROL_AGAIN_MASK (BIT(0) | BIT(1)) struct tcs3472_data { struct i2c_client *client; + struct mutex lock; + u16 low_thresh; + u16 high_thresh; u8 enable; u8 control; u8 atime; + u8 apers; u16 buffer[8]; /* 4 16-bit channels + 64-bit timestamp */ }; +static const struct iio_event_spec tcs3472_events[] = { + { + .type = IIO_EV_TYPE_THRESH, + .dir = IIO_EV_DIR_RISING, + .mask_separate = BIT(IIO_EV_INFO_VALUE), + }, { + .type = IIO_EV_TYPE_THRESH, + .dir = IIO_EV_DIR_FALLING, + .mask_separate = BIT(IIO_EV_INFO_VALUE), + }, { + .type = IIO_EV_TYPE_THRESH, + .dir = IIO_EV_DIR_EITHER, + .mask_separate = BIT(IIO_EV_INFO_ENABLE) | + BIT(IIO_EV_INFO_PERIOD), + }, +}; + #define TCS3472_CHANNEL(_color, _si, _addr) { \ .type = IIO_INTENSITY, \ .modified = 1, \ @@ -75,6 +102,8 @@ struct tcs3472_data { .storagebits = 16, \ .endianness = IIO_CPU, \ }, \ + .event_spec = _si ? NULL : tcs3472_events, \ + .num_event_specs = _si ? 0 : ARRAY_SIZE(tcs3472_events), \ } static const int tcs3472_agains[] = { 1, 4, 16, 60 }; @@ -182,6 +211,166 @@ static int tcs3472_write_raw(struct iio_dev *indio_dev, return -EINVAL; } +/* + * Translation from APERS field value to the number of consecutive out-of-range + * clear channel values before an interrupt is generated + */ +static const int tcs3472_intr_pers[] = { + 0, 1, 2, 3, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60 +}; + +static int tcs3472_read_event(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, enum iio_event_type type, + enum iio_event_direction dir, enum iio_event_info info, int *val, + int *val2) +{ + struct tcs3472_data *data = iio_priv(indio_dev); + int ret; + unsigned int period; + + mutex_lock(&data->lock); + + switch (info) { + case IIO_EV_INFO_VALUE: + *val = (dir == IIO_EV_DIR_RISING) ? + data->high_thresh : data->low_thresh; + ret = IIO_VAL_INT; + break; + case IIO_EV_INFO_PERIOD: + period = (256 - data->atime) * 2400 * + tcs3472_intr_pers[data->apers]; + *val = period / USEC_PER_SEC; + *val2 = period % USEC_PER_SEC; + ret = IIO_VAL_INT_PLUS_MICRO; + break; + default: + ret = -EINVAL; + break; + } + + mutex_unlock(&data->lock); + + return ret; +} + +static int tcs3472_write_event(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, enum iio_event_type type, + enum iio_event_direction dir, enum iio_event_info info, int val, + int val2) +{ + struct tcs3472_data *data = iio_priv(indio_dev); + int ret; + u8 command; + int period; + int i; + + mutex_lock(&data->lock); + switch (info) { + case IIO_EV_INFO_VALUE: + switch (dir) { + case IIO_EV_DIR_RISING: + command = TCS3472_AIHT; + break; + case IIO_EV_DIR_FALLING: + command = TCS3472_AILT; + break; + default: + ret = -EINVAL; + goto error; + } + ret = i2c_smbus_write_word_data(data->client, command, val); + if (ret) + goto error; + + if (dir == IIO_EV_DIR_RISING) + data->high_thresh = val; + else + data->low_thresh = val; + break; + case IIO_EV_INFO_PERIOD: + period = val * USEC_PER_SEC + val2; + for (i = 1; i < ARRAY_SIZE(tcs3472_intr_pers) - 1; i++) { + if (period <= (256 - data->atime) * 2400 * + tcs3472_intr_pers[i]) + break; + } + ret = i2c_smbus_write_byte_data(data->client, TCS3472_PERS, i); + if (ret) + goto error; + + data->apers = i; + break; + default: + ret = -EINVAL; + break; + } +error: + mutex_unlock(&data->lock); + + return ret; +} + +static int tcs3472_read_event_config(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, enum iio_event_type type, + enum iio_event_direction dir) +{ + struct tcs3472_data *data = iio_priv(indio_dev); + int ret; + + mutex_lock(&data->lock); + ret = !!(data->enable & TCS3472_ENABLE_AIEN); + mutex_unlock(&data->lock); + + return ret; +} + +static int tcs3472_write_event_config(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, enum iio_event_type type, + enum iio_event_direction dir, int state) +{ + struct tcs3472_data *data = iio_priv(indio_dev); + int ret = 0; + u8 enable_old; + + mutex_lock(&data->lock); + + enable_old = data->enable; + + if (state) + data->enable |= TCS3472_ENABLE_AIEN; + else + data->enable &= ~TCS3472_ENABLE_AIEN; + + if (enable_old != data->enable) { + ret = i2c_smbus_write_byte_data(data->client, TCS3472_ENABLE, + data->enable); + if (ret) + data->enable = enable_old; + } + mutex_unlock(&data->lock); + + return ret; +} + +static irqreturn_t tcs3472_event_handler(int irq, void *priv) +{ + struct iio_dev *indio_dev = priv; + struct tcs3472_data *data = iio_priv(indio_dev); + int ret; + + ret = i2c_smbus_read_byte_data(data->client, TCS3472_STATUS); + if (ret >= 0 && (ret & TCS3472_STATUS_AINT)) { + iio_push_event(indio_dev, IIO_UNMOD_EVENT_CODE(IIO_INTENSITY, 0, + IIO_EV_TYPE_THRESH, + IIO_EV_DIR_EITHER), + iio_get_time_ns(indio_dev)); + + i2c_smbus_read_byte_data(data->client, TCS3472_INTR_CLEAR); + } + + return IRQ_HANDLED; +} + static irqreturn_t tcs3472_trigger_handler(int irq, void *p) { struct iio_poll_func *pf = p; @@ -245,8 +434,11 @@ static const struct attribute_group tcs3472_attribute_group = { static const struct iio_info tcs3472_info = { .read_raw = tcs3472_read_raw, .write_raw = tcs3472_write_raw, + .read_event_value = tcs3472_read_event, + .write_event_value = tcs3472_write_event, + .read_event_config = tcs3472_read_event_config, + .write_event_config = tcs3472_write_event_config, .attrs = &tcs3472_attribute_group, - .driver_module = THIS_MODULE, }; static int tcs3472_probe(struct i2c_client *client, @@ -263,6 +455,7 @@ static int tcs3472_probe(struct i2c_client *client, data = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); data->client = client; + mutex_init(&data->lock); indio_dev->dev.parent = &client->dev; indio_dev->info = &tcs3472_info; @@ -292,12 +485,29 @@ static int tcs3472_probe(struct i2c_client *client, return ret; data->atime = ret; + ret = i2c_smbus_read_word_data(data->client, TCS3472_AILT); + if (ret < 0) + return ret; + data->low_thresh = ret; + + ret = i2c_smbus_read_word_data(data->client, TCS3472_AIHT); + if (ret < 0) + return ret; + data->high_thresh = ret; + + data->apers = 1; + ret = i2c_smbus_write_byte_data(data->client, TCS3472_PERS, + data->apers); + if (ret < 0) + return ret; + ret = i2c_smbus_read_byte_data(data->client, TCS3472_ENABLE); if (ret < 0) return ret; /* enable device */ data->enable = ret | TCS3472_ENABLE_PON | TCS3472_ENABLE_AEN; + data->enable &= ~TCS3472_ENABLE_AIEN; ret = i2c_smbus_write_byte_data(data->client, TCS3472_ENABLE, data->enable); if (ret < 0) @@ -308,12 +518,24 @@ static int tcs3472_probe(struct i2c_client *client, if (ret < 0) return ret; + if (client->irq) { + ret = request_threaded_irq(client->irq, NULL, + tcs3472_event_handler, + IRQF_TRIGGER_FALLING | IRQF_SHARED | + IRQF_ONESHOT, + client->name, indio_dev); + if (ret) + goto buffer_cleanup; + } + ret = iio_device_register(indio_dev); if (ret < 0) - goto buffer_cleanup; + goto free_irq; return 0; +free_irq: + free_irq(client->irq, indio_dev); buffer_cleanup: iio_triggered_buffer_cleanup(indio_dev); return ret; @@ -321,8 +543,19 @@ buffer_cleanup: static int tcs3472_powerdown(struct tcs3472_data *data) { - return i2c_smbus_write_byte_data(data->client, TCS3472_ENABLE, - data->enable & ~(TCS3472_ENABLE_AEN | TCS3472_ENABLE_PON)); + int ret; + u8 enable_mask = TCS3472_ENABLE_AEN | TCS3472_ENABLE_PON; + + mutex_lock(&data->lock); + + ret = i2c_smbus_write_byte_data(data->client, TCS3472_ENABLE, + data->enable & ~enable_mask); + if (!ret) + data->enable &= ~enable_mask; + + mutex_unlock(&data->lock); + + return ret; } static int tcs3472_remove(struct i2c_client *client) @@ -330,6 +563,7 @@ static int tcs3472_remove(struct i2c_client *client) struct iio_dev *indio_dev = i2c_get_clientdata(client); iio_device_unregister(indio_dev); + free_irq(client->irq, indio_dev); iio_triggered_buffer_cleanup(indio_dev); tcs3472_powerdown(iio_priv(indio_dev)); @@ -348,8 +582,19 @@ static int tcs3472_resume(struct device *dev) { struct tcs3472_data *data = iio_priv(i2c_get_clientdata( to_i2c_client(dev))); - return i2c_smbus_write_byte_data(data->client, TCS3472_ENABLE, - data->enable | (TCS3472_ENABLE_AEN | TCS3472_ENABLE_PON)); + int ret; + u8 enable_mask = TCS3472_ENABLE_AEN | TCS3472_ENABLE_PON; + + mutex_lock(&data->lock); + + ret = i2c_smbus_write_byte_data(data->client, TCS3472_ENABLE, + data->enable | enable_mask); + if (!ret) + data->enable |= enable_mask; + + mutex_unlock(&data->lock); + + return ret; } #endif diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c index 7599693f7fe9..6bbb0b1e6032 100644 --- a/drivers/iio/light/tsl2563.c +++ b/drivers/iio/light/tsl2563.c @@ -697,13 +697,11 @@ static int tsl2563_read_interrupt_config(struct iio_dev *indio_dev, } static const struct iio_info tsl2563_info_no_irq = { - .driver_module = THIS_MODULE, .read_raw = &tsl2563_read_raw, .write_raw = &tsl2563_write_raw, }; static const struct iio_info tsl2563_info = { - .driver_module = THIS_MODULE, .read_raw = &tsl2563_read_raw, .write_raw = &tsl2563_write_raw, .read_event_value = &tsl2563_read_thresh, diff --git a/drivers/iio/light/tsl2583.c b/drivers/iio/light/tsl2583.c index fb711ed4862e..f2e50edaa242 100644 --- a/drivers/iio/light/tsl2583.c +++ b/drivers/iio/light/tsl2583.c @@ -804,7 +804,6 @@ static int tsl2583_write_raw(struct iio_dev *indio_dev, static const struct iio_info tsl2583_info = { .attrs = &tsl2583_attribute_group, - .driver_module = THIS_MODULE, .read_raw = tsl2583_read_raw, .write_raw = tsl2583_write_raw, }; diff --git a/drivers/iio/light/tsl4531.c b/drivers/iio/light/tsl4531.c index cf94ec72b181..06171cb76e23 100644 --- a/drivers/iio/light/tsl4531.c +++ b/drivers/iio/light/tsl4531.c @@ -144,7 +144,6 @@ static const struct iio_info tsl4531_info = { .read_raw = tsl4531_read_raw, .write_raw = tsl4531_write_raw, .attrs = &tsl4531_attribute_group, - .driver_module = THIS_MODULE, }; static int tsl4531_check_id(struct i2c_client *client) diff --git a/drivers/iio/light/us5182d.c b/drivers/iio/light/us5182d.c index d571ad7291ed..68e52943879a 100644 --- a/drivers/iio/light/us5182d.c +++ b/drivers/iio/light/us5182d.c @@ -714,7 +714,6 @@ err: } static const struct iio_info us5182d_info = { - .driver_module = THIS_MODULE, .read_raw = us5182d_read_raw, .write_raw = us5182d_write_raw, .attrs = &us5182d_attr_group, diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 360b6e98137a..c599a90506ad 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -155,7 +155,6 @@ static int vcnl4000_read_raw(struct iio_dev *indio_dev, static const struct iio_info vcnl4000_info = { .read_raw = vcnl4000_read_raw, - .driver_module = THIS_MODULE, }; static int vcnl4000_probe(struct i2c_client *client, diff --git a/drivers/iio/light/veml6070.c b/drivers/iio/light/veml6070.c index bc1c4cb782cd..f4bf3c5b5eda 100644 --- a/drivers/iio/light/veml6070.c +++ b/drivers/iio/light/veml6070.c @@ -136,7 +136,6 @@ static int veml6070_read_raw(struct iio_dev *indio_dev, static const struct iio_info veml6070_info = { .read_raw = veml6070_read_raw, - .driver_module = THIS_MODULE, }; static int veml6070_probe(struct i2c_client *client, diff --git a/drivers/iio/light/vl6180.c b/drivers/iio/light/vl6180.c index 6e25b724d941..192c77ef3608 100644 --- a/drivers/iio/light/vl6180.c +++ b/drivers/iio/light/vl6180.c @@ -24,6 +24,7 @@ #include <linux/err.h> #include <linux/of.h> #include <linux/delay.h> +#include <linux/util_macros.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> @@ -86,6 +87,8 @@ struct vl6180_data { struct i2c_client *client; struct mutex lock; + unsigned int als_gain_milli; + unsigned int als_it_ms; }; enum { VL6180_ALS, VL6180_RANGE, VL6180_PROX }; @@ -275,19 +278,17 @@ static const struct iio_chan_spec vl6180_channels[] = { }; /* - * Columns 3 & 4 represent the same value in decimal and hex notations. - * Kept in order to avoid the datatype conversion while reading the - * hardware_gain. + * Available Ambient Light Sensor gain settings, 1/1000th, and + * corresponding setting for the VL6180_ALS_GAIN register */ -static const int vl6180_als_gain[8][4] = { - { 1, 0, 70, VL6180_ALS_GAIN_1 }, - { 1, 250000, 69, VL6180_ALS_GAIN_1_25 }, - { 1, 670000, 68, VL6180_ALS_GAIN_1_67 }, - { 2, 500000, 67, VL6180_ALS_GAIN_2_5 }, - { 5, 0, 66, VL6180_ALS_GAIN_5 }, - { 10, 0, 65, VL6180_ALS_GAIN_10 }, - { 20, 0, 64, VL6180_ALS_GAIN_20 }, - { 40, 0, 71, VL6180_ALS_GAIN_40 } +static const int vl6180_als_gain_tab[8] = { + 1000, 1250, 1670, 2500, 5000, 10000, 20000, 40000 +}; +static const u8 vl6180_als_gain_tab_bits[8] = { + VL6180_ALS_GAIN_1, VL6180_ALS_GAIN_1_25, + VL6180_ALS_GAIN_1_67, VL6180_ALS_GAIN_2_5, + VL6180_ALS_GAIN_5, VL6180_ALS_GAIN_10, + VL6180_ALS_GAIN_20, VL6180_ALS_GAIN_40 }; static int vl6180_read_raw(struct iio_dev *indio_dev, @@ -295,7 +296,7 @@ static int vl6180_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct vl6180_data *data = iio_priv(indio_dev); - int ret, i; + int ret; switch (mask) { case IIO_CHAN_INFO_RAW: @@ -306,19 +307,20 @@ static int vl6180_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: - ret = vl6180_read_word(data->client, VL6180_ALS_IT); - if (ret < 0) - return ret; - *val = 0; /* 1 count = 1ms (0 = 1ms) */ - *val2 = (ret + 1) * 1000; /* convert to seconds */ + *val = data->als_it_ms; + *val2 = 1000; + + return IIO_VAL_FRACTIONAL; - return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_LIGHT: - *val = 0; /* one ALS count is 0.32 Lux */ - *val2 = 320000; - break; + /* one ALS count is 0.32 Lux @ gain 1, IT 100 ms */ + *val = 32000; /* 0.32 * 1000 * 100 */ + *val2 = data->als_gain_milli * data->als_it_ms; + + return IIO_VAL_FRACTIONAL; + case IIO_DISTANCE: *val = 0; /* sensor reports mm, scale to meter */ *val2 = 1000; @@ -329,17 +331,11 @@ static int vl6180_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_HARDWAREGAIN: - ret = vl6180_read_byte(data->client, VL6180_ALS_GAIN); - if (ret < 0) - return -EINVAL; - for (i = 0; i < ARRAY_SIZE(vl6180_als_gain); i++) { - if (ret == vl6180_als_gain[i][2]) { - *val = vl6180_als_gain[i][0]; - *val2 = vl6180_als_gain[i][1]; - } - } + *val = data->als_gain_milli; + *val2 = 1000; + + return IIO_VAL_FRACTIONAL; - return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -365,37 +361,53 @@ static int vl6180_hold(struct vl6180_data *data, bool hold) static int vl6180_set_als_gain(struct vl6180_data *data, int val, int val2) { - int i, ret; - - for (i = 0; i < ARRAY_SIZE(vl6180_als_gain); i++) { - if (val == vl6180_als_gain[i][0] && - val2 == vl6180_als_gain[i][1]) { - mutex_lock(&data->lock); - ret = vl6180_hold(data, true); - if (ret < 0) - goto fail; - ret = vl6180_write_byte(data->client, VL6180_ALS_GAIN, - vl6180_als_gain[i][3]); -fail: - vl6180_hold(data, false); - mutex_unlock(&data->lock); - return ret; - } - } + int i, ret, gain; - return -EINVAL; + if (val < 1 || val > 40) + return -EINVAL; + + gain = (val * 1000000 + val2) / 1000; + if (gain < 1 || gain > 40000) + return -EINVAL; + + i = find_closest(gain, vl6180_als_gain_tab, + ARRAY_SIZE(vl6180_als_gain_tab)); + + mutex_lock(&data->lock); + ret = vl6180_hold(data, true); + if (ret < 0) + goto fail; + + ret = vl6180_write_byte(data->client, VL6180_ALS_GAIN, + vl6180_als_gain_tab_bits[i]); + + if (ret >= 0) + data->als_gain_milli = vl6180_als_gain_tab[i]; + +fail: + vl6180_hold(data, false); + mutex_unlock(&data->lock); + return ret; } -static int vl6180_set_it(struct vl6180_data *data, int val2) +static int vl6180_set_it(struct vl6180_data *data, int val, int val2) { - int ret; + int ret, it_ms; + + it_ms = (val2 + 500) / 1000; /* round to ms */ + if (val != 0 || it_ms < 1 || it_ms > 512) + return -EINVAL; mutex_lock(&data->lock); ret = vl6180_hold(data, true); if (ret < 0) goto fail; - ret = vl6180_write_word(data->client, VL6180_ALS_IT, - (val2 - 500) / 1000); /* write value in ms */ + + ret = vl6180_write_word(data->client, VL6180_ALS_IT, it_ms - 1); + + if (ret >= 0) + data->als_it_ms = it_ms; + fail: vl6180_hold(data, false); mutex_unlock(&data->lock); @@ -411,10 +423,8 @@ static int vl6180_write_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_INT_TIME: - if (val != 0 || val2 < 500 || val2 >= 512500) - return -EINVAL; + return vl6180_set_it(data, val, val2); - return vl6180_set_it(data, val2); case IIO_CHAN_INFO_HARDWAREGAIN: if (chan->type != IIO_LIGHT) return -EINVAL; @@ -429,7 +439,6 @@ static const struct iio_info vl6180_info = { .read_raw = vl6180_read_raw, .write_raw = vl6180_write_raw, .attrs = &vl6180_attribute_group, - .driver_module = THIS_MODULE, }; static int vl6180_init(struct vl6180_data *data) @@ -468,11 +477,13 @@ static int vl6180_init(struct vl6180_data *data) return ret; /* ALS integration time: 100ms */ + data->als_it_ms = 100; ret = vl6180_write_word(client, VL6180_ALS_IT, VL6180_ALS_IT_100); if (ret < 0) return ret; /* ALS gain: 1 */ + data->als_gain_milli = 1000; ret = vl6180_write_byte(client, VL6180_ALS_GAIN, VL6180_ALS_GAIN_1); if (ret < 0) return ret; diff --git a/drivers/iio/magnetometer/Makefile b/drivers/iio/magnetometer/Makefile index b86d6cb7f285..664b2f866472 100644 --- a/drivers/iio/magnetometer/Makefile +++ b/drivers/iio/magnetometer/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O Magnetometer sensor drivers # diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index 0bff76e96950..93be1f4c0f27 100644 --- a/drivers/iio/magnetometer/ak8974.c +++ b/drivers/iio/magnetometer/ak8974.c @@ -658,7 +658,6 @@ static const unsigned long ak8974_scan_masks[] = { 0x7, 0 }; static const struct iio_info ak8974_info = { .read_raw = &ak8974_read_raw, - .driver_module = THIS_MODULE, }; static bool ak8974_writeable_reg(struct device *dev, unsigned int reg) diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 4ff883942f7b..c09329069d0a 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -781,7 +781,6 @@ static const unsigned long ak8975_scan_masks[] = { 0x7, 0 }; static const struct iio_info ak8975_info = { .read_raw = &ak8975_read_raw, - .driver_module = THIS_MODULE, }; #ifdef CONFIG_ACPI diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c index d104fb8d9379..d91cb845e3d6 100644 --- a/drivers/iio/magnetometer/bmc150_magn.c +++ b/drivers/iio/magnetometer/bmc150_magn.c @@ -651,7 +651,6 @@ static const struct iio_info bmc150_magn_info = { .attrs = &bmc150_magn_attrs_group, .read_raw = bmc150_magn_read_raw, .write_raw = bmc150_magn_write_raw, - .driver_module = THIS_MODULE, }; static const unsigned long bmc150_magn_scan_masks[] = { @@ -811,7 +810,6 @@ err_unlock: static const struct iio_trigger_ops bmc150_magn_trigger_ops = { .set_trigger_state = bmc150_magn_data_rdy_trigger_set_state, .try_reenable = bmc150_magn_trig_try_reen, - .owner = THIS_MODULE, }; static int bmc150_magn_buffer_preenable(struct iio_dev *indio_dev) diff --git a/drivers/iio/magnetometer/bmc150_magn.h b/drivers/iio/magnetometer/bmc150_magn.h index 9a8e26812ca8..3b69232afd2c 100644 --- a/drivers/iio/magnetometer/bmc150_magn.h +++ b/drivers/iio/magnetometer/bmc150_magn.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BMC150_MAGN_H_ #define _BMC150_MAGN_H_ diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c index 0e791b02ed4a..a1fd9d591818 100644 --- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c +++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c @@ -282,7 +282,6 @@ static int magn_3d_write_raw(struct iio_dev *indio_dev, } static const struct iio_info magn_3d_info = { - .driver_module = THIS_MODULE, .read_raw = &magn_3d_read_raw, .write_raw = &magn_3d_write_raw, }; diff --git a/drivers/iio/magnetometer/hmc5843_core.c b/drivers/iio/magnetometer/hmc5843_core.c index ba3e2a374ee5..ada142fb7aa3 100644 --- a/drivers/iio/magnetometer/hmc5843_core.c +++ b/drivers/iio/magnetometer/hmc5843_core.c @@ -597,7 +597,6 @@ static const struct iio_info hmc5843_info = { .read_raw = &hmc5843_read_raw, .write_raw = &hmc5843_write_raw, .write_raw_get_fmt = &hmc5843_write_raw_get_fmt, - .driver_module = THIS_MODULE, }; static const unsigned long hmc5843_scan_masks[] = {0x7, 0}; diff --git a/drivers/iio/magnetometer/mag3110.c b/drivers/iio/magnetometer/mag3110.c index dad8d57f7402..b34ace76d31b 100644 --- a/drivers/iio/magnetometer/mag3110.c +++ b/drivers/iio/magnetometer/mag3110.c @@ -333,7 +333,6 @@ static const struct iio_info mag3110_info = { .attrs = &mag3110_group, .read_raw = &mag3110_read_raw, .write_raw = &mag3110_write_raw, - .driver_module = THIS_MODULE, }; static const unsigned long mag3110_scan_masks[] = {0x7, 0xf, 0}; diff --git a/drivers/iio/magnetometer/mmc35240.c b/drivers/iio/magnetometer/mmc35240.c index 176e14a61558..6b640c6338c9 100644 --- a/drivers/iio/magnetometer/mmc35240.c +++ b/drivers/iio/magnetometer/mmc35240.c @@ -418,7 +418,6 @@ static int mmc35240_write_raw(struct iio_dev *indio_dev, } static const struct iio_info mmc35240_info = { - .driver_module = THIS_MODULE, .read_raw = mmc35240_read_raw, .write_raw = mmc35240_write_raw, .attrs = &mmc35240_attribute_group, diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c index 08aafba4481c..72f6d1335a04 100644 --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -317,7 +317,14 @@ static const struct st_sensor_settings st_magn_sensors_settings[] = { }, .drdy_irq = { /* drdy line is routed drdy pin */ - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x07, + }, + }, + .sim = { + .addr = 0x22, + .value = BIT(2), }, .multi_read_bit = true, .bootime = 2, @@ -359,9 +366,14 @@ static const struct st_sensor_settings st_magn_sensors_settings[] = { .mask = 0x10, }, .drdy_irq = { - .addr = 0x62, - .mask_int1 = 0x01, - .addr_stat_drdy = 0x67, + .int1 = { + .addr = 0x62, + .mask = 0x01, + }, + .stat_drdy = { + .addr = 0x67, + .mask = 0x07, + }, }, .multi_read_bit = false, .bootime = 2, @@ -438,7 +450,6 @@ static const struct attribute_group st_magn_attribute_group = { }; static const struct iio_info magn_info = { - .driver_module = THIS_MODULE, .attrs = &st_magn_attribute_group, .read_raw = &st_magn_read_raw, .write_raw = &st_magn_write_raw, @@ -447,7 +458,6 @@ static const struct iio_info magn_info = { #ifdef CONFIG_IIO_TRIGGER static const struct iio_trigger_ops st_magn_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = ST_MAGN_TRIGGER_SET_STATE, .validate_device = st_sensors_validate_device, }; diff --git a/drivers/iio/multiplexer/iio-mux.c b/drivers/iio/multiplexer/iio-mux.c index 37ba007f8dca..60621ccd67e4 100644 --- a/drivers/iio/multiplexer/iio-mux.c +++ b/drivers/iio/multiplexer/iio-mux.c @@ -173,7 +173,6 @@ static const struct iio_info mux_info = { .read_raw = mux_read_raw, .read_avail = mux_read_avail, .write_raw = mux_write_raw, - .driver_module = THIS_MODULE, }; static ssize_t mux_read_ext_info(struct iio_dev *indio_dev, uintptr_t private, @@ -285,6 +284,9 @@ static int mux_configure_channel(struct device *dev, struct mux *mux, child->ext_info_cache = devm_kzalloc(dev, sizeof(*child->ext_info_cache) * num_ext_info, GFP_KERNEL); + if (!child->ext_info_cache) + return -ENOMEM; + for (i = 0; i < num_ext_info; ++i) { child->ext_info_cache[i].size = -1; @@ -309,6 +311,9 @@ static int mux_configure_channel(struct device *dev, struct mux *mux, child->ext_info_cache[i].data = devm_kmemdup(dev, page, ret + 1, GFP_KERNEL); + if (!child->ext_info_cache[i].data) + return -ENOMEM; + child->ext_info_cache[i].data[ret] = 0; child->ext_info_cache[i].size = ret; } diff --git a/drivers/iio/orientation/hid-sensor-incl-3d.c b/drivers/iio/orientation/hid-sensor-incl-3d.c index fd1b3696ee42..1e5451d1ff88 100644 --- a/drivers/iio/orientation/hid-sensor-incl-3d.c +++ b/drivers/iio/orientation/hid-sensor-incl-3d.c @@ -186,7 +186,6 @@ static int incl_3d_write_raw(struct iio_dev *indio_dev, } static const struct iio_info incl_3d_info = { - .driver_module = THIS_MODULE, .read_raw = &incl_3d_read_raw, .write_raw = &incl_3d_write_raw, }; diff --git a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c index 98fe0c5df380..a69db2002414 100644 --- a/drivers/iio/orientation/hid-sensor-rotation.c +++ b/drivers/iio/orientation/hid-sensor-rotation.c @@ -138,7 +138,6 @@ static int dev_rot_write_raw(struct iio_dev *indio_dev, } static const struct iio_info dev_rot_info = { - .driver_module = THIS_MODULE, .read_raw_multi = &dev_rot_read_raw, .write_raw = &dev_rot_write_raw, }; diff --git a/drivers/iio/potentiometer/Makefile b/drivers/iio/potentiometer/Makefile index 2260d40e0936..1afd1e70f8cc 100644 --- a/drivers/iio/potentiometer/Makefile +++ b/drivers/iio/potentiometer/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O potentiometer drivers # diff --git a/drivers/iio/potentiometer/ds1803.c b/drivers/iio/potentiometer/ds1803.c index fb9e2a337dc2..9b0ff4ab2f9c 100644 --- a/drivers/iio/potentiometer/ds1803.c +++ b/drivers/iio/potentiometer/ds1803.c @@ -110,7 +110,6 @@ static int ds1803_write_raw(struct iio_dev *indio_dev, static const struct iio_info ds1803_info = { .read_raw = ds1803_read_raw, .write_raw = ds1803_write_raw, - .driver_module = THIS_MODULE, }; static int ds1803_probe(struct i2c_client *client, diff --git a/drivers/iio/potentiometer/max5481.c b/drivers/iio/potentiometer/max5481.c index 926554991244..ffe2761333a2 100644 --- a/drivers/iio/potentiometer/max5481.c +++ b/drivers/iio/potentiometer/max5481.c @@ -119,7 +119,6 @@ static int max5481_write_raw(struct iio_dev *indio_dev, static const struct iio_info max5481_info = { .read_raw = max5481_read_raw, .write_raw = max5481_write_raw, - .driver_module = THIS_MODULE, }; #if defined(CONFIG_OF) @@ -207,7 +206,6 @@ MODULE_DEVICE_TABLE(acpi, max5481_acpi_match); static struct spi_driver max5481_driver = { .driver = { .name = "max5481", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(max5481_match), .acpi_match_table = ACPI_PTR(max5481_acpi_match), }, diff --git a/drivers/iio/potentiometer/max5487.c b/drivers/iio/potentiometer/max5487.c index 6c50939a2e83..5042d3e09b12 100644 --- a/drivers/iio/potentiometer/max5487.c +++ b/drivers/iio/potentiometer/max5487.c @@ -83,7 +83,6 @@ static int max5487_write_raw(struct iio_dev *indio_dev, static const struct iio_info max5487_info = { .read_raw = max5487_read_raw, .write_raw = max5487_write_raw, - .driver_module = THIS_MODULE, }; static int max5487_spi_probe(struct spi_device *spi) @@ -147,7 +146,6 @@ MODULE_DEVICE_TABLE(acpi, max5487_acpi_match); static struct spi_driver max5487_driver = { .driver = { .name = "max5487", - .owner = THIS_MODULE, .acpi_match_table = ACPI_PTR(max5487_acpi_match), }, .id_table = max5487_id, diff --git a/drivers/iio/potentiometer/mcp4131.c b/drivers/iio/potentiometer/mcp4131.c index 4e7e2c6c522c..b3e30db246cc 100644 --- a/drivers/iio/potentiometer/mcp4131.c +++ b/drivers/iio/potentiometer/mcp4131.c @@ -237,7 +237,6 @@ static int mcp4131_write_raw(struct iio_dev *indio_dev, static const struct iio_info mcp4131_info = { .read_raw = mcp4131_read_raw, .write_raw = mcp4131_write_raw, - .driver_module = THIS_MODULE, }; static int mcp4131_probe(struct spi_device *spi) diff --git a/drivers/iio/potentiometer/mcp4531.c b/drivers/iio/potentiometer/mcp4531.c index 314353d7ab59..114ab876fcc6 100644 --- a/drivers/iio/potentiometer/mcp4531.c +++ b/drivers/iio/potentiometer/mcp4531.c @@ -207,7 +207,6 @@ static const struct iio_info mcp4531_info = { .read_raw = mcp4531_read_raw, .read_avail = mcp4531_read_avail, .write_raw = mcp4531_write_raw, - .driver_module = THIS_MODULE, }; #ifdef CONFIG_OF diff --git a/drivers/iio/potentiometer/tpl0102.c b/drivers/iio/potentiometer/tpl0102.c index 7b6b54531ea2..93f9d4a8c9aa 100644 --- a/drivers/iio/potentiometer/tpl0102.c +++ b/drivers/iio/potentiometer/tpl0102.c @@ -106,7 +106,6 @@ static int tpl0102_write_raw(struct iio_dev *indio_dev, static const struct iio_info tpl0102_info = { .read_raw = tpl0102_read_raw, .write_raw = tpl0102_write_raw, - .driver_module = THIS_MODULE, }; static int tpl0102_probe(struct i2c_client *client, diff --git a/drivers/iio/potentiostat/lmp91000.c b/drivers/iio/potentiostat/lmp91000.c index afa8de3418d0..007710991f15 100644 --- a/drivers/iio/potentiostat/lmp91000.c +++ b/drivers/iio/potentiostat/lmp91000.c @@ -207,7 +207,6 @@ static int lmp91000_read_raw(struct iio_dev *indio_dev, } static const struct iio_info lmp91000_info = { - .driver_module = THIS_MODULE, .read_raw = lmp91000_read_raw, }; @@ -283,7 +282,6 @@ static int lmp91000_buffer_cb(const void *val, void *private) } static const struct iio_trigger_ops lmp91000_trigger_ops = { - .owner = THIS_MODULE, }; diff --git a/drivers/iio/pressure/Makefile b/drivers/iio/pressure/Makefile index 838642789389..c2058d7b2f93 100644 --- a/drivers/iio/pressure/Makefile +++ b/drivers/iio/pressure/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O pressure drivers # diff --git a/drivers/iio/pressure/abp060mg.c b/drivers/iio/pressure/abp060mg.c index 43bdd0b9155f..46a220c70d6a 100644 --- a/drivers/iio/pressure/abp060mg.c +++ b/drivers/iio/pressure/abp060mg.c @@ -168,7 +168,6 @@ static int abp060mg_read_raw(struct iio_dev *indio_dev, } static const struct iio_info abp060mg_info = { - .driver_module = THIS_MODULE, .read_raw = abp060mg_read_raw, }; diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c index 8f26428804a2..fd1da26a62e4 100644 --- a/drivers/iio/pressure/bmp280-core.c +++ b/drivers/iio/pressure/bmp280-core.c @@ -561,7 +561,6 @@ static const struct attribute_group bmp280_attrs_group = { }; static const struct iio_info bmp280_info = { - .driver_module = THIS_MODULE, .read_raw = &bmp280_read_raw, .write_raw = &bmp280_write_raw, .attrs = &bmp280_attrs_group, diff --git a/drivers/iio/pressure/bmp280-regmap.c b/drivers/iio/pressure/bmp280-regmap.c index 6807113ec09f..08c00ac32bda 100644 --- a/drivers/iio/pressure/bmp280-regmap.c +++ b/drivers/iio/pressure/bmp280-regmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/device.h> #include <linux/module.h> #include <linux/regmap.h> diff --git a/drivers/iio/pressure/bmp280.h b/drivers/iio/pressure/bmp280.h index 61347438b779..eda50ef65706 100644 --- a/drivers/iio/pressure/bmp280.h +++ b/drivers/iio/pressure/bmp280.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/bitops.h> #include <linux/device.h> #include <linux/regmap.h> diff --git a/drivers/iio/pressure/cros_ec_baro.c b/drivers/iio/pressure/cros_ec_baro.c index 48b2a30f57ae..4599fde4dd25 100644 --- a/drivers/iio/pressure/cros_ec_baro.c +++ b/drivers/iio/pressure/cros_ec_baro.c @@ -120,14 +120,12 @@ static int cros_ec_baro_write(struct iio_dev *indio_dev, static const struct iio_info cros_ec_baro_info = { .read_raw = &cros_ec_baro_read, .write_raw = &cros_ec_baro_write, - .driver_module = THIS_MODULE, }; static int cros_ec_baro_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct cros_ec_dev *ec_dev = dev_get_drvdata(dev->parent); - struct cros_ec_device *ec_device; struct iio_dev *indio_dev; struct cros_ec_baro_state *state; struct iio_chan_spec *channel; @@ -137,7 +135,6 @@ static int cros_ec_baro_probe(struct platform_device *pdev) dev_warn(dev, "No CROS EC device found.\n"); return -EINVAL; } - ec_device = ec_dev->ec_dev; indio_dev = devm_iio_device_alloc(dev, sizeof(*state)); if (!indio_dev) diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c index 6848d8c80eff..4c437918f1d2 100644 --- a/drivers/iio/pressure/hid-sensor-press.c +++ b/drivers/iio/pressure/hid-sensor-press.c @@ -160,7 +160,6 @@ static int press_write_raw(struct iio_dev *indio_dev, } static const struct iio_info press_info = { - .driver_module = THIS_MODULE, .read_raw = &press_read_raw, .write_raw = &press_write_raw, }; diff --git a/drivers/iio/pressure/hp03.c b/drivers/iio/pressure/hp03.c index 8c7b3ec3d84a..406934ea6228 100644 --- a/drivers/iio/pressure/hp03.c +++ b/drivers/iio/pressure/hp03.c @@ -208,7 +208,6 @@ static int hp03_read_raw(struct iio_dev *indio_dev, } static const struct iio_info hp03_info = { - .driver_module = THIS_MODULE, .read_raw = &hp03_read_raw, }; diff --git a/drivers/iio/pressure/hp206c.c b/drivers/iio/pressure/hp206c.c index 12f769e86355..c38c19678cf6 100644 --- a/drivers/iio/pressure/hp206c.c +++ b/drivers/iio/pressure/hp206c.c @@ -351,7 +351,6 @@ static const struct iio_info hp206c_info = { .attrs = &hp206c_attribute_group, .read_raw = hp206c_read_raw, .write_raw = hp206c_write_raw, - .driver_module = THIS_MODULE, }; static int hp206c_probe(struct i2c_client *client, diff --git a/drivers/iio/pressure/mpl115.c b/drivers/iio/pressure/mpl115.c index 8f2bce213248..ab4786d0102b 100644 --- a/drivers/iio/pressure/mpl115.c +++ b/drivers/iio/pressure/mpl115.c @@ -144,7 +144,6 @@ static const struct iio_chan_spec mpl115_channels[] = { static const struct iio_info mpl115_info = { .read_raw = &mpl115_read_raw, - .driver_module = THIS_MODULE, }; int mpl115_probe(struct device *dev, const char *name, diff --git a/drivers/iio/pressure/mpl3115.c b/drivers/iio/pressure/mpl3115.c index 619b963714c7..7537547fb7ee 100644 --- a/drivers/iio/pressure/mpl3115.c +++ b/drivers/iio/pressure/mpl3115.c @@ -218,7 +218,6 @@ static const struct iio_chan_spec mpl3115_channels[] = { static const struct iio_info mpl3115_info = { .read_raw = &mpl3115_read_raw, - .driver_module = THIS_MODULE, }; static int mpl3115_probe(struct i2c_client *client, diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c index 2a77a2f15752..f950cfde5db9 100644 --- a/drivers/iio/pressure/ms5611_core.c +++ b/drivers/iio/pressure/ms5611_core.c @@ -384,7 +384,6 @@ static const struct iio_info ms5611_info = { .read_raw = &ms5611_read_raw, .write_raw = &ms5611_write_raw, .attrs = &ms5611_attribute_group, - .driver_module = THIS_MODULE, }; static int ms5611_init(struct iio_dev *indio_dev) diff --git a/drivers/iio/pressure/ms5637.c b/drivers/iio/pressure/ms5637.c index c413f8a84a63..e2f73e6dc58f 100644 --- a/drivers/iio/pressure/ms5637.c +++ b/drivers/iio/pressure/ms5637.c @@ -124,7 +124,6 @@ static const struct iio_info ms5637_info = { .read_raw = ms5637_read_raw, .write_raw = ms5637_write_raw, .attrs = &ms5637_attribute_group, - .driver_module = THIS_MODULE, }; static int ms5637_probe(struct i2c_client *client, diff --git a/drivers/iio/pressure/st_pressure.h b/drivers/iio/pressure/st_pressure.h index 7d995937adba..e67eb0d971bf 100644 --- a/drivers/iio/pressure/st_pressure.h +++ b/drivers/iio/pressure/st_pressure.h @@ -19,6 +19,8 @@ enum st_press_type { LPS25H, LPS331AP, LPS22HB, + LPS33HW, + LPS35HW, ST_PRESS_MAX, }; @@ -26,6 +28,8 @@ enum st_press_type { #define LPS25H_PRESS_DEV_NAME "lps25h" #define LPS331AP_PRESS_DEV_NAME "lps331ap" #define LPS22HB_PRESS_DEV_NAME "lps22hb" +#define LPS33HW_PRESS_DEV_NAME "lps33hw" +#define LPS35HW_PRESS_DEV_NAME "lps35hw" /** * struct st_sensors_platform_data - default press platform data diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 34611a8ea2ce..349e5c713c03 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -280,14 +280,28 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .mask = 0x04, }, .drdy_irq = { - .addr = 0x22, - .mask_int1 = 0x04, - .mask_int2 = 0x20, + .int1 = { + .addr = 0x22, + .mask = 0x04, + .addr_od = 0x22, + .mask_od = 0x40, + }, + .int2 = { + .addr = 0x22, + .mask = 0x20, + .addr_od = 0x22, + .mask_od = 0x40, + }, .addr_ihl = 0x22, .mask_ihl = 0x80, - .addr_od = 0x22, - .mask_od = 0x40, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x03, + }, + }, + .sim = { + .addr = 0x20, + .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, @@ -335,8 +349,9 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .addr = 0x20, .mask = 0x04, }, - .drdy_irq = { - .addr = 0, + .sim = { + .addr = 0x20, + .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, @@ -388,14 +403,22 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .mask = 0x04, }, .drdy_irq = { - .addr = 0x23, - .mask_int1 = 0x01, - .mask_int2 = 0x00, + .int1 = { + .addr = 0x23, + .mask = 0x01, + .addr_od = 0x22, + .mask_od = 0x40, + }, .addr_ihl = 0x22, .mask_ihl = 0x80, - .addr_od = 0x22, - .mask_od = 0x40, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x03, + }, + }, + .sim = { + .addr = 0x20, + .value = BIT(0), }, .multi_read_bit = true, .bootime = 2, @@ -410,6 +433,8 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, .sensors_supported = { [0] = LPS22HB_PRESS_DEV_NAME, + [1] = LPS33HW_PRESS_DEV_NAME, + [2] = LPS35HW_PRESS_DEV_NAME, }, .ch = (struct iio_chan_spec *)st_press_lps22hb_channels, .num_ch = ARRAY_SIZE(st_press_lps22hb_channels), @@ -447,14 +472,22 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .mask = 0x02, }, .drdy_irq = { - .addr = 0x12, - .mask_int1 = 0x04, - .mask_int2 = 0x00, + .int1 = { + .addr = 0x12, + .mask = 0x04, + .addr_od = 0x12, + .mask_od = 0x40, + }, .addr_ihl = 0x12, .mask_ihl = 0x80, - .addr_od = 0x12, - .mask_od = 0x40, - .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, + .stat_drdy = { + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, + .mask = 0x03, + }, + }, + .sim = { + .addr = 0x10, + .value = BIT(0), }, .multi_read_bit = false, .bootime = 2, @@ -547,7 +580,6 @@ static const struct attribute_group st_press_attribute_group = { }; static const struct iio_info press_info = { - .driver_module = THIS_MODULE, .attrs = &st_press_attribute_group, .read_raw = &st_press_read_raw, .write_raw = &st_press_write_raw, @@ -556,7 +588,6 @@ static const struct iio_info press_info = { #ifdef CONFIG_IIO_TRIGGER static const struct iio_trigger_ops st_press_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = ST_PRESS_TRIGGER_SET_STATE, .validate_device = st_sensors_validate_device, }; @@ -605,7 +636,8 @@ int st_press_common_probe(struct iio_dev *indio_dev) press_data->odr = press_data->sensor_settings->odr.odr_avl[0].hz; /* Some devices don't support a data ready pin. */ - if (!pdata && press_data->sensor_settings->drdy_irq.addr) + if (!pdata && (press_data->sensor_settings->drdy_irq.int1.addr || + press_data->sensor_settings->drdy_irq.int2.addr)) pdata = (struct st_sensors_platform_data *)&default_press_pdata; err = st_sensors_init_sensor(indio_dev, press_data->dev->platform_data); diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c index 7f15e927fa2b..fbb59059e942 100644 --- a/drivers/iio/pressure/st_pressure_i2c.c +++ b/drivers/iio/pressure/st_pressure_i2c.c @@ -37,6 +37,14 @@ static const struct of_device_id st_press_of_match[] = { .compatible = "st,lps22hb-press", .data = LPS22HB_PRESS_DEV_NAME, }, + { + .compatible = "st,lps33hw", + .data = LPS33HW_PRESS_DEV_NAME, + }, + { + .compatible = "st,lps35hw", + .data = LPS35HW_PRESS_DEV_NAME, + }, {}, }; MODULE_DEVICE_TABLE(of, st_press_of_match); @@ -59,6 +67,8 @@ static const struct i2c_device_id st_press_id_table[] = { { LPS25H_PRESS_DEV_NAME, LPS25H }, { LPS331AP_PRESS_DEV_NAME, LPS331AP }, { LPS22HB_PRESS_DEV_NAME, LPS22HB }, + { LPS33HW_PRESS_DEV_NAME, LPS33HW }, + { LPS35HW_PRESS_DEV_NAME, LPS35HW }, {}, }; MODULE_DEVICE_TABLE(i2c, st_press_id_table); diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c index f5ebd36bb4bf..9a3441b128e7 100644 --- a/drivers/iio/pressure/st_pressure_spi.c +++ b/drivers/iio/pressure/st_pressure_spi.c @@ -41,6 +41,14 @@ static const struct of_device_id st_press_of_match[] = { .compatible = "st,lps22hb-press", .data = LPS22HB_PRESS_DEV_NAME, }, + { + .compatible = "st,lps33hw", + .data = LPS33HW_PRESS_DEV_NAME, + }, + { + .compatible = "st,lps35hw", + .data = LPS35HW_PRESS_DEV_NAME, + }, {}, }; MODULE_DEVICE_TABLE(of, st_press_of_match); @@ -83,6 +91,8 @@ static const struct spi_device_id st_press_id_table[] = { { LPS25H_PRESS_DEV_NAME }, { LPS331AP_PRESS_DEV_NAME }, { LPS22HB_PRESS_DEV_NAME }, + { LPS33HW_PRESS_DEV_NAME }, + { LPS35HW_PRESS_DEV_NAME }, {}, }; MODULE_DEVICE_TABLE(spi, st_press_id_table); diff --git a/drivers/iio/pressure/t5403.c b/drivers/iio/pressure/t5403.c index 2667e71721f5..92c00f603b1d 100644 --- a/drivers/iio/pressure/t5403.c +++ b/drivers/iio/pressure/t5403.c @@ -209,7 +209,6 @@ static const struct iio_info t5403_info = { .read_raw = &t5403_read_raw, .write_raw = &t5403_write_raw, .attrs = &t5403_attribute_group, - .driver_module = THIS_MODULE, }; static int t5403_probe(struct i2c_client *client, diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c index 91431454eb85..81d8f24eaeb4 100644 --- a/drivers/iio/pressure/zpa2326.c +++ b/drivers/iio/pressure/zpa2326.c @@ -1390,7 +1390,6 @@ static int zpa2326_set_trigger_state(struct iio_trigger *trig, bool state) } static const struct iio_trigger_ops zpa2326_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = zpa2326_set_trigger_state, }; @@ -1590,7 +1589,6 @@ static const struct iio_chan_spec zpa2326_channels[] = { }; static const struct iio_info zpa2326_info = { - .driver_module = THIS_MODULE, .attrs = &zpa2326_attribute_group, .read_raw = zpa2326_read_raw, .write_raw = zpa2326_write_raw, diff --git a/drivers/iio/proximity/Kconfig b/drivers/iio/proximity/Kconfig index ae070950f920..fcb1c4ba5e41 100644 --- a/drivers/iio/proximity/Kconfig +++ b/drivers/iio/proximity/Kconfig @@ -32,6 +32,16 @@ config LIDAR_LITE_V2 To compile this driver as a module, choose M here: the module will be called pulsedlight-lite-v2 +config RFD77402 + tristate "RFD77402 ToF sensor" + depends on I2C + help + Say Y to build a driver for the RFD77420 Time-of-Flight (distance) + sensor module with I2C interface. + + To compile this driver as a module, choose M here: the + module will be called rfd77402. + config SRF04 tristate "Devantech SRF04 ultrasonic ranger sensor" depends on GPIOLIB diff --git a/drivers/iio/proximity/Makefile b/drivers/iio/proximity/Makefile index ed1b6f4cc209..4f4ed45e87ef 100644 --- a/drivers/iio/proximity/Makefile +++ b/drivers/iio/proximity/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for IIO proximity sensors # @@ -5,6 +6,7 @@ # When adding new entries keep the list in alphabetical order obj-$(CONFIG_AS3935) += as3935.o obj-$(CONFIG_LIDAR_LITE_V2) += pulsedlight-lidar-lite-v2.o +obj-$(CONFIG_RFD77402) += rfd77402.o obj-$(CONFIG_SRF04) += srf04.o obj-$(CONFIG_SRF08) += srf08.o obj-$(CONFIG_SX9500) += sx9500.o diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index 4a48b7ba3a1c..b6249af48014 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -221,7 +221,6 @@ static int as3935_read_raw(struct iio_dev *indio_dev, } static const struct iio_info as3935_info = { - .driver_module = THIS_MODULE, .attrs = &as3935_attribute_group, .read_raw = &as3935_read_raw, }; @@ -247,7 +246,6 @@ err_read: } static const struct iio_trigger_ops iio_interrupt_trigger_ops = { - .owner = THIS_MODULE, }; static void as3935_event_work(struct work_struct *work) diff --git a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c index 36c1ddc251aa..4d56f67b24c6 100644 --- a/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c +++ b/drivers/iio/proximity/pulsedlight-lidar-lite-v2.c @@ -249,7 +249,6 @@ static irqreturn_t lidar_trigger_handler(int irq, void *private) } static const struct iio_info lidar_info = { - .driver_module = THIS_MODULE, .read_raw = lidar_read_raw, }; diff --git a/drivers/iio/proximity/rfd77402.c b/drivers/iio/proximity/rfd77402.c new file mode 100644 index 000000000000..fe29fb1a19a6 --- /dev/null +++ b/drivers/iio/proximity/rfd77402.c @@ -0,0 +1,352 @@ +/* + * rfd77402.c - Support for RF Digital RFD77402 Time-of-Flight (distance) sensor + * + * Copyright 2017 Peter Meerwald-Stadler <pmeerw@pmeerw.net> + * + * This file is subject to the terms and conditions of version 2 of + * the GNU General Public License. See the file COPYING in the main + * directory of this archive for more details. + * + * 7-bit I2C slave address 0x4c + * + * TODO: interrupt + * https://media.digikey.com/pdf/Data%20Sheets/RF%20Digital%20PDFs/RFD77402.pdf + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/delay.h> + +#include <linux/iio/iio.h> + +#define RFD77402_DRV_NAME "rfd77402" + +#define RFD77402_ICSR 0x00 /* Interrupt Control Status Register */ +#define RFD77402_ICSR_INT_MODE BIT(2) +#define RFD77402_ICSR_INT_POL BIT(3) +#define RFD77402_ICSR_RESULT BIT(4) +#define RFD77402_ICSR_M2H_MSG BIT(5) +#define RFD77402_ICSR_H2M_MSG BIT(6) +#define RFD77402_ICSR_RESET BIT(7) + +#define RFD77402_CMD_R 0x04 +#define RFD77402_CMD_SINGLE 0x01 +#define RFD77402_CMD_STANDBY 0x10 +#define RFD77402_CMD_MCPU_OFF 0x11 +#define RFD77402_CMD_MCPU_ON 0x12 +#define RFD77402_CMD_RESET BIT(6) +#define RFD77402_CMD_VALID BIT(7) + +#define RFD77402_STATUS_R 0x06 +#define RFD77402_STATUS_PM_MASK GENMASK(4, 0) +#define RFD77402_STATUS_STANDBY 0x00 +#define RFD77402_STATUS_MCPU_OFF 0x10 +#define RFD77402_STATUS_MCPU_ON 0x18 + +#define RFD77402_RESULT_R 0x08 +#define RFD77402_RESULT_DIST_MASK GENMASK(12, 2) +#define RFD77402_RESULT_ERR_MASK GENMASK(14, 13) +#define RFD77402_RESULT_VALID BIT(15) + +#define RFD77402_PMU_CFG 0x14 +#define RFD77402_PMU_MCPU_INIT BIT(9) + +#define RFD77402_I2C_INIT_CFG 0x1c +#define RFD77402_I2C_ADDR_INCR BIT(0) +#define RFD77402_I2C_DATA_INCR BIT(2) +#define RFD77402_I2C_HOST_DEBUG BIT(5) +#define RFD77402_I2C_MCPU_DEBUG BIT(6) + +#define RFD77402_CMD_CFGR_A 0x0c +#define RFD77402_CMD_CFGR_B 0x0e +#define RFD77402_HFCFG_0 0x20 +#define RFD77402_HFCFG_1 0x22 +#define RFD77402_HFCFG_2 0x24 +#define RFD77402_HFCFG_3 0x26 + +#define RFD77402_MOD_CHIP_ID 0x28 + +/* magic configuration values from datasheet */ +static const struct { + u8 reg; + u16 val; +} rf77402_tof_config[] = { + {RFD77402_CMD_CFGR_A, 0xe100}, + {RFD77402_CMD_CFGR_B, 0x10ff}, + {RFD77402_HFCFG_0, 0x07d0}, + {RFD77402_HFCFG_1, 0x5008}, + {RFD77402_HFCFG_2, 0xa041}, + {RFD77402_HFCFG_3, 0x45d4}, +}; + +struct rfd77402_data { + struct i2c_client *client; + /* Serialize reads from the sensor */ + struct mutex lock; +}; + +static const struct iio_chan_spec rfd77402_channels[] = { + { + .type = IIO_DISTANCE, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_SCALE), + }, +}; + +static int rfd77402_set_state(struct rfd77402_data *data, u8 state, u16 check) +{ + int ret; + + ret = i2c_smbus_write_byte_data(data->client, RFD77402_CMD_R, + state | RFD77402_CMD_VALID); + if (ret < 0) + return ret; + + usleep_range(10000, 20000); + + ret = i2c_smbus_read_word_data(data->client, RFD77402_STATUS_R); + if (ret < 0) + return ret; + if ((ret & RFD77402_STATUS_PM_MASK) != check) + return -ENODEV; + + return 0; +} + +static int rfd77402_measure(struct rfd77402_data *data) +{ + int ret; + int tries = 10; + + ret = rfd77402_set_state(data, RFD77402_CMD_MCPU_ON, + RFD77402_STATUS_MCPU_ON); + if (ret < 0) + return ret; + + ret = i2c_smbus_write_byte_data(data->client, RFD77402_CMD_R, + RFD77402_CMD_SINGLE | + RFD77402_CMD_VALID); + if (ret < 0) + goto err; + + while (tries-- > 0) { + ret = i2c_smbus_read_byte_data(data->client, RFD77402_ICSR); + if (ret < 0) + goto err; + if (ret & RFD77402_ICSR_RESULT) + break; + msleep(20); + } + + if (tries < 0) { + ret = -ETIMEDOUT; + goto err; + } + + ret = i2c_smbus_read_word_data(data->client, RFD77402_RESULT_R); + if (ret < 0) + goto err; + + if ((ret & RFD77402_RESULT_ERR_MASK) || + !(ret & RFD77402_RESULT_VALID)) { + ret = -EIO; + goto err; + } + + return (ret & RFD77402_RESULT_DIST_MASK) >> 2; + +err: + rfd77402_set_state(data, RFD77402_CMD_MCPU_OFF, + RFD77402_STATUS_MCPU_OFF); + return ret; +} + +static int rfd77402_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct rfd77402_data *data = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + mutex_lock(&data->lock); + ret = rfd77402_measure(data); + mutex_unlock(&data->lock); + if (ret < 0) + return ret; + *val = ret; + return IIO_VAL_INT; + case IIO_CHAN_INFO_SCALE: + /* 1 LSB is 1 mm */ + *val = 0; + *val2 = 1000; + return IIO_VAL_INT_PLUS_MICRO; + default: + return -EINVAL; + } +} + +static const struct iio_info rfd77402_info = { + .read_raw = rfd77402_read_raw, +}; + +static int rfd77402_init(struct rfd77402_data *data) +{ + int ret, i; + + ret = rfd77402_set_state(data, RFD77402_CMD_STANDBY, + RFD77402_STATUS_STANDBY); + if (ret < 0) + return ret; + + /* configure INT pad as push-pull, active low */ + ret = i2c_smbus_write_byte_data(data->client, RFD77402_ICSR, + RFD77402_ICSR_INT_MODE); + if (ret < 0) + return ret; + + /* I2C configuration */ + ret = i2c_smbus_write_word_data(data->client, RFD77402_I2C_INIT_CFG, + RFD77402_I2C_ADDR_INCR | + RFD77402_I2C_DATA_INCR | + RFD77402_I2C_HOST_DEBUG | + RFD77402_I2C_MCPU_DEBUG); + if (ret < 0) + return ret; + + /* set initialization */ + ret = i2c_smbus_write_word_data(data->client, RFD77402_PMU_CFG, 0x0500); + if (ret < 0) + return ret; + + ret = rfd77402_set_state(data, RFD77402_CMD_MCPU_OFF, + RFD77402_STATUS_MCPU_OFF); + if (ret < 0) + return ret; + + /* set initialization */ + ret = i2c_smbus_write_word_data(data->client, RFD77402_PMU_CFG, 0x0600); + if (ret < 0) + return ret; + + ret = rfd77402_set_state(data, RFD77402_CMD_MCPU_ON, + RFD77402_STATUS_MCPU_ON); + if (ret < 0) + return ret; + + for (i = 0; i < ARRAY_SIZE(rf77402_tof_config); i++) { + ret = i2c_smbus_write_word_data(data->client, + rf77402_tof_config[i].reg, + rf77402_tof_config[i].val); + if (ret < 0) + return ret; + } + + ret = rfd77402_set_state(data, RFD77402_CMD_STANDBY, + RFD77402_STATUS_STANDBY); + + return ret; +} + +static int rfd77402_powerdown(struct rfd77402_data *data) +{ + return rfd77402_set_state(data, RFD77402_CMD_STANDBY, + RFD77402_STATUS_STANDBY); +} + +static int rfd77402_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct rfd77402_data *data; + struct iio_dev *indio_dev; + int ret; + + ret = i2c_smbus_read_word_data(client, RFD77402_MOD_CHIP_ID); + if (ret < 0) + return ret; + if (ret != 0xad01 && ret != 0xad02) /* known chip ids */ + return -ENODEV; + + indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); + if (!indio_dev) + return -ENOMEM; + + data = iio_priv(indio_dev); + i2c_set_clientdata(client, indio_dev); + data->client = client; + mutex_init(&data->lock); + + indio_dev->dev.parent = &client->dev; + indio_dev->info = &rfd77402_info; + indio_dev->channels = rfd77402_channels; + indio_dev->num_channels = ARRAY_SIZE(rfd77402_channels); + indio_dev->name = RFD77402_DRV_NAME; + indio_dev->modes = INDIO_DIRECT_MODE; + + ret = rfd77402_init(data); + if (ret < 0) + return ret; + + ret = iio_device_register(indio_dev); + if (ret) + goto err_powerdown; + + return 0; + +err_powerdown: + rfd77402_powerdown(data); + return ret; +} + +static int rfd77402_remove(struct i2c_client *client) +{ + struct iio_dev *indio_dev = i2c_get_clientdata(client); + + iio_device_unregister(indio_dev); + rfd77402_powerdown(iio_priv(indio_dev)); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int rfd77402_suspend(struct device *dev) +{ + struct rfd77402_data *data = iio_priv(i2c_get_clientdata( + to_i2c_client(dev))); + + return rfd77402_powerdown(data); +} + +static int rfd77402_resume(struct device *dev) +{ + struct rfd77402_data *data = iio_priv(i2c_get_clientdata( + to_i2c_client(dev))); + + return rfd77402_init(data); +} +#endif + +static SIMPLE_DEV_PM_OPS(rfd77402_pm_ops, rfd77402_suspend, rfd77402_resume); + +static const struct i2c_device_id rfd77402_id[] = { + { "rfd77402", 0}, + { } +}; +MODULE_DEVICE_TABLE(i2c, rfd77402_id); + +static struct i2c_driver rfd77402_driver = { + .driver = { + .name = RFD77402_DRV_NAME, + .pm = &rfd77402_pm_ops, + }, + .probe = rfd77402_probe, + .remove = rfd77402_remove, + .id_table = rfd77402_id, +}; + +module_i2c_driver(rfd77402_driver); + +MODULE_AUTHOR("Peter Meerwald-Stadler <pmeerw@pmeerw.net>"); +MODULE_DESCRIPTION("RFD77402 Time-of-Flight sensor driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/iio/proximity/srf04.c b/drivers/iio/proximity/srf04.c index e37667f933b3..09c7b9c095b0 100644 --- a/drivers/iio/proximity/srf04.c +++ b/drivers/iio/proximity/srf04.c @@ -203,7 +203,6 @@ static int srf04_read_raw(struct iio_dev *indio_dev, } static const struct iio_info srf04_iio_info = { - .driver_module = THIS_MODULE, .read_raw = srf04_read_raw, }; diff --git a/drivers/iio/proximity/srf08.c b/drivers/iio/proximity/srf08.c index 9380d545aab1..f2bf783f829a 100644 --- a/drivers/iio/proximity/srf08.c +++ b/drivers/iio/proximity/srf08.c @@ -436,7 +436,6 @@ static const struct iio_chan_spec srf08_channels[] = { static const struct iio_info srf08_info = { .read_raw = srf08_read_raw, .attrs = &srf08_attribute_group, - .driver_module = THIS_MODULE, }; /* @@ -445,7 +444,6 @@ static const struct iio_info srf08_info = { */ static const struct iio_info srf02_info = { .read_raw = srf08_read_raw, - .driver_module = THIS_MODULE, }; static int srf08_probe(struct i2c_client *client, diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index f42b3a1c75ff..53c5d653e780 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -615,7 +615,6 @@ static const struct attribute_group sx9500_attribute_group = { }; static const struct iio_info sx9500_info = { - .driver_module = THIS_MODULE, .attrs = &sx9500_attribute_group, .read_raw = &sx9500_read_raw, .write_raw = &sx9500_write_raw, @@ -650,7 +649,6 @@ out: static const struct iio_trigger_ops sx9500_trigger_ops = { .set_trigger_state = sx9500_set_trigger_state, - .owner = THIS_MODULE, }; static irqreturn_t sx9500_trigger_handler(int irq, void *private) diff --git a/drivers/iio/temperature/Makefile b/drivers/iio/temperature/Makefile index ad1d668de546..34bd9023727b 100644 --- a/drivers/iio/temperature/Makefile +++ b/drivers/iio/temperature/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O temperature drivers # diff --git a/drivers/iio/temperature/hid-sensor-temperature.c b/drivers/iio/temperature/hid-sensor-temperature.c index c01efeca4002..beaf6fd3e337 100644 --- a/drivers/iio/temperature/hid-sensor-temperature.c +++ b/drivers/iio/temperature/hid-sensor-temperature.c @@ -123,7 +123,6 @@ static int temperature_write_raw(struct iio_dev *indio_dev, } static const struct iio_info temperature_info = { - .driver_module = THIS_MODULE, .read_raw = &temperature_read_raw, .write_raw = &temperature_write_raw, }; diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c index d70e2e53d6a7..e8b7e0b6c8ad 100644 --- a/drivers/iio/temperature/maxim_thermocouple.c +++ b/drivers/iio/temperature/maxim_thermocouple.c @@ -208,7 +208,6 @@ static int maxim_thermocouple_read_raw(struct iio_dev *indio_dev, } static const struct iio_info maxim_thermocouple_info = { - .driver_module = THIS_MODULE, .read_raw = maxim_thermocouple_read_raw, }; diff --git a/drivers/iio/temperature/mlx90614.c b/drivers/iio/temperature/mlx90614.c index 2077eef4095c..d619e8634a00 100644 --- a/drivers/iio/temperature/mlx90614.c +++ b/drivers/iio/temperature/mlx90614.c @@ -400,7 +400,6 @@ static const struct iio_info mlx90614_info = { .write_raw = mlx90614_write_raw, .write_raw_get_fmt = mlx90614_write_raw_get_fmt, .attrs = &mlx90614_attr_group, - .driver_module = THIS_MODULE, }; #ifdef CONFIG_PM diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index 18c9b43c02cb..a9b5b7cc7836 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -179,7 +179,6 @@ static const struct iio_info tmp006_info = { .read_raw = tmp006_read_raw, .write_raw = tmp006_write_raw, .attrs = &tmp006_attribute_group, - .driver_module = THIS_MODULE, }; static bool tmp006_check_identification(struct i2c_client *client) diff --git a/drivers/iio/temperature/tmp007.c b/drivers/iio/temperature/tmp007.c index 0615324d054c..0e3f2d432e10 100644 --- a/drivers/iio/temperature/tmp007.c +++ b/drivers/iio/temperature/tmp007.c @@ -426,7 +426,6 @@ static const struct iio_info tmp007_info = { .read_event_value = tmp007_read_thresh, .write_event_value = tmp007_write_thresh, .attrs = &tmp007_attribute_group, - .driver_module = THIS_MODULE, }; static bool tmp007_identify(struct i2c_client *client) diff --git a/drivers/iio/temperature/tsys01.c b/drivers/iio/temperature/tsys01.c index d8aa211d76e4..3799d007c8e7 100644 --- a/drivers/iio/temperature/tsys01.c +++ b/drivers/iio/temperature/tsys01.c @@ -111,7 +111,6 @@ static const struct iio_chan_spec tsys01_channels[] = { static const struct iio_info tsys01_info = { .read_raw = tsys01_read_raw, - .driver_module = THIS_MODULE, }; static bool tsys01_crc_valid(u16 *n_prom) diff --git a/drivers/iio/temperature/tsys02d.c b/drivers/iio/temperature/tsys02d.c index c0a19a000387..9b2e56fa5fd5 100644 --- a/drivers/iio/temperature/tsys02d.c +++ b/drivers/iio/temperature/tsys02d.c @@ -120,7 +120,6 @@ static const struct iio_info tsys02d_info = { .read_raw = tsys02d_read_raw, .write_raw = tsys02d_write_raw, .attrs = &tsys02d_attribute_group, - .driver_module = THIS_MODULE, }; static int tsys02d_probe(struct i2c_client *client, diff --git a/drivers/iio/trigger/Makefile b/drivers/iio/trigger/Makefile index 0a72a2a76cb2..f3d11acb8a0b 100644 --- a/drivers/iio/trigger/Makefile +++ b/drivers/iio/trigger/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for triggers not associated with iio-devices # diff --git a/drivers/iio/trigger/iio-trig-hrtimer.c b/drivers/iio/trigger/iio-trig-hrtimer.c index a1cad6cc2e0f..3ee92160053f 100644 --- a/drivers/iio/trigger/iio-trig-hrtimer.c +++ b/drivers/iio/trigger/iio-trig-hrtimer.c @@ -114,7 +114,6 @@ static int iio_trig_hrtimer_set_state(struct iio_trigger *trig, bool state) } static const struct iio_trigger_ops iio_hrtimer_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = iio_trig_hrtimer_set_state, }; diff --git a/drivers/iio/trigger/iio-trig-interrupt.c b/drivers/iio/trigger/iio-trig-interrupt.c index e18f12b74610..171c4ed03543 100644 --- a/drivers/iio/trigger/iio-trig-interrupt.c +++ b/drivers/iio/trigger/iio-trig-interrupt.c @@ -29,7 +29,6 @@ static irqreturn_t iio_interrupt_trigger_poll(int irq, void *private) } static const struct iio_trigger_ops iio_interrupt_trigger_ops = { - .owner = THIS_MODULE, }; static int iio_interrupt_trigger_probe(struct platform_device *pdev) diff --git a/drivers/iio/trigger/iio-trig-loop.c b/drivers/iio/trigger/iio-trig-loop.c index dc6be28f96fe..b4b02dbd6e8a 100644 --- a/drivers/iio/trigger/iio-trig-loop.c +++ b/drivers/iio/trigger/iio-trig-loop.c @@ -74,7 +74,6 @@ static int iio_loop_trigger_set_state(struct iio_trigger *trig, bool state) static const struct iio_trigger_ops iio_loop_trigger_ops = { .set_trigger_state = iio_loop_trigger_set_state, - .owner = THIS_MODULE, }; static struct iio_sw_trigger *iio_trig_loop_probe(const char *name) diff --git a/drivers/iio/trigger/iio-trig-sysfs.c b/drivers/iio/trigger/iio-trig-sysfs.c index 202e8b89caf2..3f0dc9a1a514 100644 --- a/drivers/iio/trigger/iio-trig-sysfs.c +++ b/drivers/iio/trigger/iio-trig-sysfs.c @@ -127,7 +127,6 @@ static const struct attribute_group *iio_sysfs_trigger_attr_groups[] = { }; static const struct iio_trigger_ops iio_sysfs_trigger_ops = { - .owner = THIS_MODULE, }; static int iio_sysfs_trigger_probe(int id) diff --git a/drivers/iio/trigger/stm32-lptimer-trigger.c b/drivers/iio/trigger/stm32-lptimer-trigger.c index 241eae6a4306..de361d879929 100644 --- a/drivers/iio/trigger/stm32-lptimer-trigger.c +++ b/drivers/iio/trigger/stm32-lptimer-trigger.c @@ -37,7 +37,6 @@ static int stm32_lptim_validate_device(struct iio_trigger *trig, } static const struct iio_trigger_ops stm32_lptim_trigger_ops = { - .owner = THIS_MODULE, .validate_device = stm32_lptim_validate_device, }; diff --git a/drivers/iio/trigger/stm32-timer-trigger.c b/drivers/iio/trigger/stm32-timer-trigger.c index eb212f8c8879..b542dc484969 100644 --- a/drivers/iio/trigger/stm32-timer-trigger.c +++ b/drivers/iio/trigger/stm32-timer-trigger.c @@ -355,7 +355,6 @@ static const struct attribute_group *stm32_trigger_attr_groups[] = { }; static const struct iio_trigger_ops timer_trigger_ops = { - .owner = THIS_MODULE, }; static int stm32_setup_iio_triggers(struct stm32_timer_trigger *priv) @@ -493,7 +492,6 @@ static int stm32_counter_validate_trigger(struct iio_dev *indio_dev, } static const struct iio_info stm32_trigger_info = { - .driver_module = THIS_MODULE, .validate_trigger = stm32_counter_validate_trigger, .read_raw = stm32_counter_read_raw, .write_raw = stm32_counter_write_raw diff --git a/drivers/infiniband/core/Makefile b/drivers/infiniband/core/Makefile index b4df164f71a6..9c0a2b5c834e 100644 --- a/drivers/infiniband/core/Makefile +++ b/drivers/infiniband/core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 infiniband-$(CONFIG_INFINIBAND_ADDR_TRANS) := rdma_cm.o user_access-$(CONFIG_INFINIBAND_ADDR_TRANS) := rdma_ucm.o diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index b12e58787c3d..1fb72c356e36 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -175,13 +175,24 @@ static int rdma_nl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, !netlink_capable(skb, CAP_NET_ADMIN)) return -EPERM; + /* + * LS responses overload the 0x100 (NLM_F_ROOT) flag. Don't + * mistakenly call the .dump() function. + */ + if (index == RDMA_NL_LS) { + if (cb_table[op].doit) + return cb_table[op].doit(skb, nlh, extack); + return -EINVAL; + } /* FIXME: Convert IWCM to properly handle doit callbacks */ if ((nlh->nlmsg_flags & NLM_F_DUMP) || index == RDMA_NL_RDMA_CM || index == RDMA_NL_IWCM) { struct netlink_dump_control c = { .dump = cb_table[op].dump, }; - return netlink_dump_start(nls, skb, nlh, &c); + if (c.dump) + return netlink_dump_start(nls, skb, nlh, &c); + return -EINVAL; } if (cb_table[op].doit) diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 3ba24c428c3b..2fae850a3eff 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -214,7 +214,9 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh, err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy, extack); - if (err || !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) + if (err || + !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || + !tb[RDMA_NLDEV_ATTR_PORT_INDEX]) return -EINVAL; index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]); diff --git a/drivers/infiniband/hw/Makefile b/drivers/infiniband/hw/Makefile index 34c93abf0fe0..e4f31c1be8f7 100644 --- a/drivers/infiniband/hw/Makefile +++ b/drivers/infiniband/hw/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INFINIBAND_MTHCA) += mthca/ obj-$(CONFIG_INFINIBAND_QIB) += qib/ obj-$(CONFIG_INFINIBAND_CXGB3) += cxgb3/ diff --git a/drivers/infiniband/hw/bnxt_re/Makefile b/drivers/infiniband/hw/bnxt_re/Makefile index afbaa0e20670..6e3bc25cc140 100644 --- a/drivers/infiniband/hw/bnxt_re/Makefile +++ b/drivers/infiniband/hw/bnxt_re/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/net/ethernet/broadcom/bnxt obj-$(CONFIG_INFINIBAND_BNXT_RE) += bnxt_re.o diff --git a/drivers/infiniband/hw/cxgb3/Makefile b/drivers/infiniband/hw/cxgb3/Makefile index 2761364185af..2c66d35d19bd 100644 --- a/drivers/infiniband/hw/cxgb3/Makefile +++ b/drivers/infiniband/hw/cxgb3/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/net/ethernet/chelsio/cxgb3 obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o diff --git a/drivers/infiniband/hw/hfi1/Makefile b/drivers/infiniband/hw/hfi1/Makefile index 66d538c033b0..ce4010bad982 100644 --- a/drivers/infiniband/hw/hfi1/Makefile +++ b/drivers/infiniband/hw/hfi1/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # HFI driver # diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index d9a1e9893136..97bea2e1aa6a 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -380,7 +380,7 @@ static long hfi1_file_ioctl(struct file *fp, unsigned int cmd, if (sc->flags & SCF_FROZEN) { wait_event_interruptible_timeout( dd->event_queue, - !(ACCESS_ONCE(dd->flags) & HFI1_FROZEN), + !(READ_ONCE(dd->flags) & HFI1_FROZEN), msecs_to_jiffies(SEND_CTXT_HALT_TIMEOUT)); if (dd->flags & HFI1_FROZEN) return -ENOLCK; diff --git a/drivers/infiniband/hw/hfi1/pio.c b/drivers/infiniband/hw/hfi1/pio.c index 7108a4b5e94c..75e740780285 100644 --- a/drivers/infiniband/hw/hfi1/pio.c +++ b/drivers/infiniband/hw/hfi1/pio.c @@ -1423,14 +1423,14 @@ retry: goto done; } /* copy from receiver cache line and recalculate */ - sc->alloc_free = ACCESS_ONCE(sc->free); + sc->alloc_free = READ_ONCE(sc->free); avail = (unsigned long)sc->credits - (sc->fill - sc->alloc_free); if (blocks > avail) { /* still no room, actively update */ sc_release_update(sc); - sc->alloc_free = ACCESS_ONCE(sc->free); + sc->alloc_free = READ_ONCE(sc->free); trycount++; goto retry; } @@ -1667,7 +1667,7 @@ void sc_release_update(struct send_context *sc) /* call sent buffer callbacks */ code = -1; /* code not yet set */ - head = ACCESS_ONCE(sc->sr_head); /* snapshot the head */ + head = READ_ONCE(sc->sr_head); /* snapshot the head */ tail = sc->sr_tail; while (head != tail) { pbuf = &sc->sr[tail].pbuf; diff --git a/drivers/infiniband/hw/hfi1/ruc.c b/drivers/infiniband/hw/hfi1/ruc.c index b3291f0fde9a..a7fc664f0d4e 100644 --- a/drivers/infiniband/hw/hfi1/ruc.c +++ b/drivers/infiniband/hw/hfi1/ruc.c @@ -363,7 +363,7 @@ static void ruc_loopback(struct rvt_qp *sqp) again: smp_read_barrier_depends(); /* see post_one_send() */ - if (sqp->s_last == ACCESS_ONCE(sqp->s_head)) + if (sqp->s_last == READ_ONCE(sqp->s_head)) goto clr_busy; wqe = rvt_get_swqe_ptr(sqp, sqp->s_last); diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c index 6781bcdb10b3..08346d25441c 100644 --- a/drivers/infiniband/hw/hfi1/sdma.c +++ b/drivers/infiniband/hw/hfi1/sdma.c @@ -1725,7 +1725,7 @@ retry: swhead = sde->descq_head & sde->sdma_mask; /* this code is really bad for cache line trading */ - swtail = ACCESS_ONCE(sde->descq_tail) & sde->sdma_mask; + swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask; cnt = sde->descq_cnt; if (swhead < swtail) @@ -1872,7 +1872,7 @@ retry: if ((status & sde->idle_mask) && !idle_check_done) { u16 swtail; - swtail = ACCESS_ONCE(sde->descq_tail) & sde->sdma_mask; + swtail = READ_ONCE(sde->descq_tail) & sde->sdma_mask; if (swtail != hwhead) { hwhead = (u16)read_sde_csr(sde, SD(HEAD)); idle_check_done = 1; @@ -2222,7 +2222,7 @@ void sdma_seqfile_dump_sde(struct seq_file *s, struct sdma_engine *sde) u16 len; head = sde->descq_head & sde->sdma_mask; - tail = ACCESS_ONCE(sde->descq_tail) & sde->sdma_mask; + tail = READ_ONCE(sde->descq_tail) & sde->sdma_mask; seq_printf(s, SDE_FMT, sde->this_idx, sde->cpu, sdma_state_name(sde->state.current_state), @@ -3305,7 +3305,7 @@ int sdma_ahg_alloc(struct sdma_engine *sde) return -EINVAL; } while (1) { - nr = ffz(ACCESS_ONCE(sde->ahg_bits)); + nr = ffz(READ_ONCE(sde->ahg_bits)); if (nr > 31) { trace_hfi1_ahg_allocate(sde, -ENOSPC); return -ENOSPC; diff --git a/drivers/infiniband/hw/hfi1/sdma.h b/drivers/infiniband/hw/hfi1/sdma.h index 107011d8613b..374c59784950 100644 --- a/drivers/infiniband/hw/hfi1/sdma.h +++ b/drivers/infiniband/hw/hfi1/sdma.h @@ -445,7 +445,7 @@ static inline u16 sdma_descq_freecnt(struct sdma_engine *sde) { return sde->descq_cnt - (sde->descq_tail - - ACCESS_ONCE(sde->descq_head)) - 1; + READ_ONCE(sde->descq_head)) - 1; } static inline u16 sdma_descq_inprocess(struct sdma_engine *sde) diff --git a/drivers/infiniband/hw/hfi1/uc.c b/drivers/infiniband/hw/hfi1/uc.c index 0b646173ca22..9a31c585427f 100644 --- a/drivers/infiniband/hw/hfi1/uc.c +++ b/drivers/infiniband/hw/hfi1/uc.c @@ -80,7 +80,7 @@ int hfi1_make_uc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) goto bail; /* We are in the error state, flush the work request. */ smp_read_barrier_depends(); /* see post_one_send() */ - if (qp->s_last == ACCESS_ONCE(qp->s_head)) + if (qp->s_last == READ_ONCE(qp->s_head)) goto bail; /* If DMAs are in progress, we can't flush immediately. */ if (iowait_sdma_pending(&priv->s_iowait)) { @@ -121,7 +121,7 @@ int hfi1_make_uc_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) goto bail; /* Check if send work queue is empty. */ smp_read_barrier_depends(); /* see post_one_send() */ - if (qp->s_cur == ACCESS_ONCE(qp->s_head)) { + if (qp->s_cur == READ_ONCE(qp->s_head)) { clear_ahg(qp); goto bail; } diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c index 2ba74fdd6f15..7fec6b984e3e 100644 --- a/drivers/infiniband/hw/hfi1/ud.c +++ b/drivers/infiniband/hw/hfi1/ud.c @@ -487,7 +487,7 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) goto bail; /* We are in the error state, flush the work request. */ smp_read_barrier_depends(); /* see post_one_send */ - if (qp->s_last == ACCESS_ONCE(qp->s_head)) + if (qp->s_last == READ_ONCE(qp->s_head)) goto bail; /* If DMAs are in progress, we can't flush immediately. */ if (iowait_sdma_pending(&priv->s_iowait)) { @@ -501,7 +501,7 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) /* see post_one_send() */ smp_read_barrier_depends(); - if (qp->s_cur == ACCESS_ONCE(qp->s_head)) + if (qp->s_cur == READ_ONCE(qp->s_head)) goto bail; wqe = rvt_get_swqe_ptr(qp, qp->s_cur); diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c index c0c0e0445cbf..8ec6e8a8d6f7 100644 --- a/drivers/infiniband/hw/hfi1/user_sdma.c +++ b/drivers/infiniband/hw/hfi1/user_sdma.c @@ -276,7 +276,7 @@ int hfi1_user_sdma_free_queues(struct hfi1_filedata *fd, /* Wait until all requests have been freed. */ wait_event_interruptible( pq->wait, - (ACCESS_ONCE(pq->state) == SDMA_PKT_Q_INACTIVE)); + (READ_ONCE(pq->state) == SDMA_PKT_Q_INACTIVE)); kfree(pq->reqs); kfree(pq->req_in_use); kmem_cache_destroy(pq->txreq_cache); @@ -591,7 +591,7 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd, if (ret != -EBUSY) { req->status = ret; WRITE_ONCE(req->has_error, 1); - if (ACCESS_ONCE(req->seqcomp) == + if (READ_ONCE(req->seqcomp) == req->seqsubmitted - 1) goto free_req; return ret; @@ -825,7 +825,7 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts) */ if (req->data_len) { iovec = &req->iovs[req->iov_idx]; - if (ACCESS_ONCE(iovec->offset) == iovec->iov.iov_len) { + if (READ_ONCE(iovec->offset) == iovec->iov.iov_len) { if (++req->iov_idx == req->data_iovs) { ret = -EFAULT; goto free_txreq; @@ -1390,7 +1390,7 @@ static void user_sdma_txreq_cb(struct sdma_txreq *txreq, int status) } else { if (status != SDMA_TXREQ_S_OK) req->status = status; - if (req->seqcomp == (ACCESS_ONCE(req->seqsubmitted) - 1) && + if (req->seqcomp == (READ_ONCE(req->seqsubmitted) - 1) && (READ_ONCE(req->done) || READ_ONCE(req->has_error))) { user_sdma_free_request(req, false); diff --git a/drivers/infiniband/hw/i40iw/Makefile b/drivers/infiniband/hw/i40iw/Makefile index 90068c03d217..5a8a7a3f28ae 100644 --- a/drivers/infiniband/hw/i40iw/Makefile +++ b/drivers/infiniband/hw/i40iw/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/net/ethernet/intel/i40e obj-$(CONFIG_INFINIBAND_I40IW) += i40iw.o diff --git a/drivers/infiniband/hw/mthca/Makefile b/drivers/infiniband/hw/mthca/Makefile index e388d95d0cf1..3a09e9ffd634 100644 --- a/drivers/infiniband/hw/mthca/Makefile +++ b/drivers/infiniband/hw/mthca/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INFINIBAND_MTHCA) += ib_mthca.o ib_mthca-y := mthca_main.o mthca_cmd.o mthca_profile.o mthca_reset.o \ diff --git a/drivers/infiniband/hw/qib/Makefile b/drivers/infiniband/hw/qib/Makefile index 79ebd79e8405..80ffab88fbca 100644 --- a/drivers/infiniband/hw/qib/Makefile +++ b/drivers/infiniband/hw/qib/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INFINIBAND_QIB) += ib_qib.o ib_qib-y := qib_diag.o qib_driver.o qib_eeprom.o \ diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c index 53efbb0b40c4..9a37e844d4c8 100644 --- a/drivers/infiniband/hw/qib/qib_ruc.c +++ b/drivers/infiniband/hw/qib/qib_ruc.c @@ -368,7 +368,7 @@ static void qib_ruc_loopback(struct rvt_qp *sqp) again: smp_read_barrier_depends(); /* see post_one_send() */ - if (sqp->s_last == ACCESS_ONCE(sqp->s_head)) + if (sqp->s_last == READ_ONCE(sqp->s_head)) goto clr_busy; wqe = rvt_get_swqe_ptr(sqp, sqp->s_last); diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c index 498e2202e72c..bddcc37ace44 100644 --- a/drivers/infiniband/hw/qib/qib_uc.c +++ b/drivers/infiniband/hw/qib/qib_uc.c @@ -61,7 +61,7 @@ int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags) goto bail; /* We are in the error state, flush the work request. */ smp_read_barrier_depends(); /* see post_one_send() */ - if (qp->s_last == ACCESS_ONCE(qp->s_head)) + if (qp->s_last == READ_ONCE(qp->s_head)) goto bail; /* If DMAs are in progress, we can't flush immediately. */ if (atomic_read(&priv->s_dma_busy)) { @@ -91,7 +91,7 @@ int qib_make_uc_req(struct rvt_qp *qp, unsigned long *flags) goto bail; /* Check if send work queue is empty. */ smp_read_barrier_depends(); /* see post_one_send() */ - if (qp->s_cur == ACCESS_ONCE(qp->s_head)) + if (qp->s_cur == READ_ONCE(qp->s_head)) goto bail; /* * Start a new request. diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c index be4907453ac4..15962ed193ce 100644 --- a/drivers/infiniband/hw/qib/qib_ud.c +++ b/drivers/infiniband/hw/qib/qib_ud.c @@ -253,7 +253,7 @@ int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags) goto bail; /* We are in the error state, flush the work request. */ smp_read_barrier_depends(); /* see post_one_send */ - if (qp->s_last == ACCESS_ONCE(qp->s_head)) + if (qp->s_last == READ_ONCE(qp->s_head)) goto bail; /* If DMAs are in progress, we can't flush immediately. */ if (atomic_read(&priv->s_dma_busy)) { @@ -267,7 +267,7 @@ int qib_make_ud_req(struct rvt_qp *qp, unsigned long *flags) /* see post_one_send() */ smp_read_barrier_depends(); - if (qp->s_cur == ACCESS_ONCE(qp->s_head)) + if (qp->s_cur == READ_ONCE(qp->s_head)) goto bail; wqe = rvt_get_swqe_ptr(qp, qp->s_cur); diff --git a/drivers/infiniband/hw/usnic/Makefile b/drivers/infiniband/hw/usnic/Makefile index 99fb2db47cd5..94ae7a1a6950 100644 --- a/drivers/infiniband/hw/usnic/Makefile +++ b/drivers/infiniband/hw/usnic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/net/ethernet/cisco/enic obj-$(CONFIG_INFINIBAND_USNIC)+= usnic_verbs.o diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 22df09ae809e..b670cb9d2006 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -1073,7 +1073,7 @@ int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err) rdi->driver_f.notify_error_qp(qp); /* Schedule the sending tasklet to drain the send work queue. */ - if (ACCESS_ONCE(qp->s_last) != qp->s_head) + if (READ_ONCE(qp->s_last) != qp->s_head) rdi->driver_f.schedule_send(qp); rvt_clear_mr_refs(qp, 0); @@ -1686,7 +1686,7 @@ static inline int rvt_qp_is_avail( if (likely(qp->s_avail)) return 0; smp_read_barrier_depends(); /* see rc.c */ - slast = ACCESS_ONCE(qp->s_last); + slast = READ_ONCE(qp->s_last); if (qp->s_head >= slast) avail = qp->s_size - (qp->s_head - slast); else @@ -1917,7 +1917,7 @@ int rvt_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, * ahead and kick the send engine into gear. Otherwise we will always * just schedule the send to happen later. */ - call_send = qp->s_head == ACCESS_ONCE(qp->s_last) && !wr->next; + call_send = qp->s_head == READ_ONCE(qp->s_last) && !wr->next; for (; wr; wr = wr->next) { err = rvt_post_one_wr(qp, wr, &call_send); diff --git a/drivers/infiniband/sw/rxe/Makefile b/drivers/infiniband/sw/rxe/Makefile index 3f12beb7076f..66af72dca759 100644 --- a/drivers/infiniband/sw/rxe/Makefile +++ b/drivers/infiniband/sw/rxe/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_RDMA_RXE) += rdma_rxe.o rdma_rxe-y := \ diff --git a/drivers/infiniband/ulp/Makefile b/drivers/infiniband/ulp/Makefile index c28af1823a2d..437813c7b481 100644 --- a/drivers/infiniband/ulp/Makefile +++ b/drivers/infiniband/ulp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INFINIBAND_IPOIB) += ipoib/ obj-$(CONFIG_INFINIBAND_SRP) += srp/ obj-$(CONFIG_INFINIBAND_SRPT) += srpt/ diff --git a/drivers/infiniband/ulp/ipoib/Makefile b/drivers/infiniband/ulp/ipoib/Makefile index e5430dd50764..6ece857ed262 100644 --- a/drivers/infiniband/ulp/ipoib/Makefile +++ b/drivers/infiniband/ulp/ipoib/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INFINIBAND_IPOIB) += ib_ipoib.o ib_ipoib-y := ipoib_main.o \ diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index 87d994de8c91..d6fd248320ae 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/socket.h> #include <linux/in.h> #include <linux/in6.h> diff --git a/drivers/input/Makefile b/drivers/input/Makefile index 595820bbabe9..40de6a7be641 100644 --- a/drivers/input/Makefile +++ b/drivers/input/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the input core drivers. # diff --git a/drivers/input/gameport/Makefile b/drivers/input/gameport/Makefile index b6f6097bd8c4..73ad8fe4db79 100644 --- a/drivers/input/gameport/Makefile +++ b/drivers/input/gameport/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the gameport drivers. # diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile index 496fd56b3f1b..67651efda2e1 100644 --- a/drivers/input/joystick/Makefile +++ b/drivers/input/joystick/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the input core drivers. # diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index d2338bacdad1..526e68294e6e 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the input core drivers. # diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 03fd4262ada9..4b6118d313fe 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the input misc drivers. # diff --git a/drivers/input/misc/regulator-haptic.c b/drivers/input/misc/regulator-haptic.c index 2e8f801932be..a1db1e5040dc 100644 --- a/drivers/input/misc/regulator-haptic.c +++ b/drivers/input/misc/regulator-haptic.c @@ -233,7 +233,7 @@ static int __maybe_unused regulator_haptic_resume(struct device *dev) haptic->suspended = false; - magnitude = ACCESS_ONCE(haptic->magnitude); + magnitude = READ_ONCE(haptic->magnitude); if (magnitude) regulator_haptic_set_voltage(haptic, magnitude); diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 56bf0ad877c6..e49f08565076 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the mouse drivers. # diff --git a/drivers/input/mouse/byd.h b/drivers/input/mouse/byd.h index d6c120cf36cd..8cb90d904186 100644 --- a/drivers/input/mouse/byd.h +++ b/drivers/input/mouse/byd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BYD_H #define _BYD_H diff --git a/drivers/input/mouse/cypress_ps2.h b/drivers/input/mouse/cypress_ps2.h index 81f68aaed7c8..1eaddd818004 100644 --- a/drivers/input/mouse/cypress_ps2.h +++ b/drivers/input/mouse/cypress_ps2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CYPRESS_PS2_H #define _CYPRESS_PS2_H diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 0e761d079dc4..d6135900da64 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -1258,6 +1258,8 @@ static const struct acpi_device_id elan_acpi_id[] = { { "ELAN0605", 0 }, { "ELAN0609", 0 }, { "ELAN060B", 0 }, + { "ELAN060C", 0 }, + { "ELAN0611", 0 }, { "ELAN1000", 0 }, { } }; diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h index dd686771cfe0..98b7b384229b 100644 --- a/drivers/input/mouse/hgpk.h +++ b/drivers/input/mouse/hgpk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * OLPC HGPK (XO-1) touchpad PS/2 mouse driver */ diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h index 38855e425f01..8cd453808cc7 100644 --- a/drivers/input/mouse/psmouse.h +++ b/drivers/input/mouse/psmouse.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PSMOUSE_H #define _PSMOUSE_H diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c index 0f586780ceb4..1ae5c1ef3f5b 100644 --- a/drivers/input/mouse/vmmouse.c +++ b/drivers/input/mouse/vmmouse.c @@ -316,11 +316,9 @@ static int vmmouse_enable(struct psmouse *psmouse) /* * Array of supported hypervisors. */ -static const struct hypervisor_x86 *vmmouse_supported_hypervisors[] = { - &x86_hyper_vmware, -#ifdef CONFIG_KVM_GUEST - &x86_hyper_kvm, -#endif +static enum x86_hypervisor_type vmmouse_supported_hypervisors[] = { + X86_HYPER_VMWARE, + X86_HYPER_KVM, }; /** @@ -331,7 +329,7 @@ static bool vmmouse_check_hypervisor(void) int i; for (i = 0; i < ARRAY_SIZE(vmmouse_supported_hypervisors); i++) - if (vmmouse_supported_hypervisors[i] == x86_hyper) + if (vmmouse_supported_hypervisors[i] == x86_hyper_type) return true; return false; diff --git a/drivers/input/rmi4/Makefile b/drivers/input/rmi4/Makefile index 9aaac3dd8613..f17631656987 100644 --- a/drivers/input/rmi4/Makefile +++ b/drivers/input/rmi4/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_RMI4_CORE) += rmi_core.o rmi_core-y := rmi_bus.o rmi_driver.o rmi_f01.o diff --git a/drivers/input/rmi4/rmi_f30.c b/drivers/input/rmi4/rmi_f30.c index 34dfee555b20..82e0f0d43d55 100644 --- a/drivers/input/rmi4/rmi_f30.c +++ b/drivers/input/rmi4/rmi_f30.c @@ -232,9 +232,10 @@ static int rmi_f30_map_gpios(struct rmi_function *fn, unsigned int trackstick_button = BTN_LEFT; bool button_mapped = false; int i; + int button_count = min_t(u8, f30->gpioled_count, TRACKSTICK_RANGE_END); f30->gpioled_key_map = devm_kcalloc(&fn->dev, - f30->gpioled_count, + button_count, sizeof(f30->gpioled_key_map[0]), GFP_KERNEL); if (!f30->gpioled_key_map) { @@ -242,7 +243,7 @@ static int rmi_f30_map_gpios(struct rmi_function *fn, return -ENOMEM; } - for (i = 0; i < f30->gpioled_count; i++) { + for (i = 0; i < button_count; i++) { if (!rmi_f30_is_valid_button(i, f30->ctrl)) continue; diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c index 225025a0940c..b6ccf39c6a7b 100644 --- a/drivers/input/rmi4/rmi_smbus.c +++ b/drivers/input/rmi4/rmi_smbus.c @@ -312,7 +312,7 @@ static int rmi_smb_probe(struct i2c_client *client, rmi_smb->xport.dev = &client->dev; rmi_smb->xport.pdata = *pdata; rmi_smb->xport.pdata.irq = client->irq; - rmi_smb->xport.proto_name = "smb2"; + rmi_smb->xport.proto_name = "smb"; rmi_smb->xport.ops = &rmi_smb_ops; smbus_version = rmi_smb_get_version(rmi_smb); @@ -322,7 +322,7 @@ static int rmi_smb_probe(struct i2c_client *client, rmi_dbg(RMI_DEBUG_XPORT, &client->dev, "Smbus version is %d", smbus_version); - if (smbus_version != 2) { + if (smbus_version != 2 && smbus_version != 3) { dev_err(&client->dev, "Unrecognized SMB version %d\n", smbus_version); return -ENODEV; diff --git a/drivers/input/serio/Makefile b/drivers/input/serio/Makefile index 767bd9b6e1ed..a3ca07621542 100644 --- a/drivers/input/serio/Makefile +++ b/drivers/input/serio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the input core drivers. # diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h index 6231d63860ee..796289846204 100644 --- a/drivers/input/serio/i8042-sparcio.h +++ b/drivers/input/serio/i8042-sparcio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _I8042_SPARCIO_H #define _I8042_SPARCIO_H diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c index bb0349fa64bc..fd03e55768c9 100644 --- a/drivers/input/sparse-keymap.c +++ b/drivers/input/sparse-keymap.c @@ -255,6 +255,7 @@ void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *k case KE_VSW: input_report_switch(dev, ke->sw.code, value); + input_sync(dev); break; } } diff --git a/drivers/input/tablet/Makefile b/drivers/input/tablet/Makefile index 200fc4e11987..8279ccc18b0a 100644 --- a/drivers/input/tablet/Makefile +++ b/drivers/input/tablet/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the tablet drivers # diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c index b796e891e2ee..4b8b9d7aa75e 100644 --- a/drivers/input/tablet/gtco.c +++ b/drivers/input/tablet/gtco.c @@ -230,13 +230,17 @@ static void parse_hid_report_descriptor(struct gtco *device, char * report, /* Walk this report and pull out the info we need */ while (i < length) { - prefix = report[i]; - - /* Skip over prefix */ - i++; + prefix = report[i++]; /* Determine data size and save the data in the proper variable */ - size = PREF_SIZE(prefix); + size = (1U << PREF_SIZE(prefix)) >> 1; + if (i + size > length) { + dev_err(ddev, + "Not enough data (need %d, have %d)\n", + i + size, length); + break; + } + switch (size) { case 1: data = report[i]; @@ -244,8 +248,7 @@ static void parse_hid_report_descriptor(struct gtco *device, char * report, case 2: data16 = get_unaligned_le16(&report[i]); break; - case 3: - size = 4; + case 4: data32 = get_unaligned_le32(&report[i]); break; } diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 6badce87037b..850c1562555a 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the touchscreen drivers. # diff --git a/drivers/input/touchscreen/ar1021_i2c.c b/drivers/input/touchscreen/ar1021_i2c.c index f9dcbd63e598..b35b640fdadf 100644 --- a/drivers/input/touchscreen/ar1021_i2c.c +++ b/drivers/input/touchscreen/ar1021_i2c.c @@ -117,6 +117,7 @@ static int ar1021_i2c_probe(struct i2c_client *client, input->open = ar1021_i2c_open; input->close = ar1021_i2c_close; + __set_bit(INPUT_PROP_DIRECT, input->propbit); input_set_capability(input, EV_KEY, BTN_TOUCH); input_set_abs_params(input, ABS_X, 0, AR1021_MAX_X, 0, 0); input_set_abs_params(input, ABS_Y, 0, AR1021_MAX_Y, 0, 0); diff --git a/drivers/input/touchscreen/s3c2410_ts.c b/drivers/input/touchscreen/s3c2410_ts.c index 3b3db8c868e0..d3265b6b58b8 100644 --- a/drivers/input/touchscreen/s3c2410_ts.c +++ b/drivers/input/touchscreen/s3c2410_ts.c @@ -145,7 +145,7 @@ static void touch_timer_fire(unsigned long data) } } -static DEFINE_TIMER(touch_timer, touch_timer_fire, 0, 0); +static DEFINE_TIMER(touch_timer, touch_timer_fire); /** * stylus_irq - touchscreen stylus event interrupt diff --git a/drivers/input/touchscreen/tsc2007_iio.c b/drivers/input/touchscreen/tsc2007_iio.c index 27b25a9fce83..e27a956f5f2b 100644 --- a/drivers/input/touchscreen/tsc2007_iio.c +++ b/drivers/input/touchscreen/tsc2007_iio.c @@ -104,7 +104,6 @@ static int tsc2007_read_raw(struct iio_dev *indio_dev, static const struct iio_info tsc2007_iio_info = { .read_raw = tsc2007_read_raw, - .driver_module = THIS_MODULE, }; int tsc2007_iio_configure(struct tsc2007 *ts) diff --git a/drivers/input/touchscreen/tsc200x-core.c b/drivers/input/touchscreen/tsc200x-core.c index 88ea5e1b72ae..abf27578beb1 100644 --- a/drivers/input/touchscreen/tsc200x-core.c +++ b/drivers/input/touchscreen/tsc200x-core.c @@ -531,6 +531,7 @@ int tsc200x_probe(struct device *dev, int irq, const struct input_id *tsc_id, input_set_drvdata(input_dev, ts); + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); input_set_capability(input_dev, EV_KEY, BTN_TOUCH); input_set_abs_params(input_dev, ABS_X, diff --git a/drivers/input/touchscreen/tsc200x-core.h b/drivers/input/touchscreen/tsc200x-core.h index 49a63a3c6840..a43c08ccfd3d 100644 --- a/drivers/input/touchscreen/tsc200x-core.h +++ b/drivers/input/touchscreen/tsc200x-core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _TSC200X_CORE_H #define _TSC200X_CORE_H diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index b910aea813a1..1fb695854809 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IOMMU_API) += iommu.o obj-$(CONFIG_IOMMU_API) += iommu-traces.o obj-$(CONFIG_IOMMU_API) += iommu-sysfs.o diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 8e8874d23717..9c848e36f209 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -4173,16 +4173,26 @@ static void irq_remapping_free(struct irq_domain *domain, unsigned int virq, irq_domain_free_irqs_common(domain, virq, nr_irqs); } -static void irq_remapping_activate(struct irq_domain *domain, - struct irq_data *irq_data) +static void amd_ir_update_irte(struct irq_data *irqd, struct amd_iommu *iommu, + struct amd_ir_data *ir_data, + struct irq_2_irte *irte_info, + struct irq_cfg *cfg); + +static int irq_remapping_activate(struct irq_domain *domain, + struct irq_data *irq_data, bool early) { struct amd_ir_data *data = irq_data->chip_data; struct irq_2_irte *irte_info = &data->irq_2_irte; struct amd_iommu *iommu = amd_iommu_rlookup_table[irte_info->devid]; + struct irq_cfg *cfg = irqd_cfg(irq_data); - if (iommu) - iommu->irte_ops->activate(data->entry, irte_info->devid, - irte_info->index); + if (!iommu) + return 0; + + iommu->irte_ops->activate(data->entry, irte_info->devid, + irte_info->index); + amd_ir_update_irte(irq_data, iommu, data, irte_info, cfg); + return 0; } static void irq_remapping_deactivate(struct irq_domain *domain, @@ -4269,6 +4279,22 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info) return modify_irte_ga(irte_info->devid, irte_info->index, irte, ir_data); } + +static void amd_ir_update_irte(struct irq_data *irqd, struct amd_iommu *iommu, + struct amd_ir_data *ir_data, + struct irq_2_irte *irte_info, + struct irq_cfg *cfg) +{ + + /* + * Atomically updates the IRTE with the new destination, vector + * and flushes the interrupt entry cache. + */ + iommu->irte_ops->set_affinity(ir_data->entry, irte_info->devid, + irte_info->index, cfg->vector, + cfg->dest_apicid); +} + static int amd_ir_set_affinity(struct irq_data *data, const struct cpumask *mask, bool force) { @@ -4286,13 +4312,7 @@ static int amd_ir_set_affinity(struct irq_data *data, if (ret < 0 || ret == IRQ_SET_MASK_OK_DONE) return ret; - /* - * Atomically updates the IRTE with the new destination, vector - * and flushes the interrupt entry cache. - */ - iommu->irte_ops->set_affinity(ir_data->entry, irte_info->devid, - irte_info->index, cfg->vector, cfg->dest_apicid); - + amd_ir_update_irte(data, iommu, ir_data, irte_info, cfg); /* * After this point, all the interrupts will start arriving * at the new destination. So, time to cleanup the previous diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index a5b89f6bcdbf..76a193c7fcfc 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) "DMAR-IR: " fmt @@ -1121,6 +1122,24 @@ struct irq_remap_ops intel_irq_remap_ops = { .get_irq_domain = intel_get_irq_domain, }; +static void intel_ir_reconfigure_irte(struct irq_data *irqd, bool force) +{ + struct intel_ir_data *ir_data = irqd->chip_data; + struct irte *irte = &ir_data->irte_entry; + struct irq_cfg *cfg = irqd_cfg(irqd); + + /* + * Atomically updates the IRTE with the new destination, vector + * and flushes the interrupt entry cache. + */ + irte->vector = cfg->vector; + irte->dest_id = IRTE_DEST(cfg->dest_apicid); + + /* Update the hardware only if the interrupt is in remapped mode. */ + if (!force || ir_data->irq_2_iommu.mode == IRQ_REMAPPING) + modify_irte(&ir_data->irq_2_iommu, irte); +} + /* * Migrate the IO-APIC irq in the presence of intr-remapping. * @@ -1139,27 +1158,15 @@ static int intel_ir_set_affinity(struct irq_data *data, const struct cpumask *mask, bool force) { - struct intel_ir_data *ir_data = data->chip_data; - struct irte *irte = &ir_data->irte_entry; - struct irq_cfg *cfg = irqd_cfg(data); struct irq_data *parent = data->parent_data; + struct irq_cfg *cfg = irqd_cfg(data); int ret; ret = parent->chip->irq_set_affinity(parent, mask, force); if (ret < 0 || ret == IRQ_SET_MASK_OK_DONE) return ret; - /* - * Atomically updates the IRTE with the new destination, vector - * and flushes the interrupt entry cache. - */ - irte->vector = cfg->vector; - irte->dest_id = IRTE_DEST(cfg->dest_apicid); - - /* Update the hardware only if the interrupt is in remapped mode. */ - if (ir_data->irq_2_iommu.mode == IRQ_REMAPPING) - modify_irte(&ir_data->irq_2_iommu, irte); - + intel_ir_reconfigure_irte(data, false); /* * After this point, all the interrupts will start arriving * at the new destination. So, time to cleanup the previous @@ -1389,12 +1396,11 @@ static void intel_irq_remapping_free(struct irq_domain *domain, irq_domain_free_irqs_common(domain, virq, nr_irqs); } -static void intel_irq_remapping_activate(struct irq_domain *domain, - struct irq_data *irq_data) +static int intel_irq_remapping_activate(struct irq_domain *domain, + struct irq_data *irq_data, bool early) { - struct intel_ir_data *data = irq_data->chip_data; - - modify_irte(&data->irq_2_iommu, &data->irte_entry); + intel_ir_reconfigure_irte(irq_data, true); + return 0; } static void intel_irq_remapping_deactivate(struct irq_domain *domain, diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h index a3e667077b14..cd2e1eafffe6 100644 --- a/drivers/iommu/io-pgtable.h +++ b/drivers/iommu/io-pgtable.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IO_PGTABLE_H #define __IO_PGTABLE_H #include <linux/bitops.h> diff --git a/drivers/iommu/iommu-traces.c b/drivers/iommu/iommu-traces.c index bf3b317ff0c1..1e9ca7789de1 100644 --- a/drivers/iommu/iommu-traces.c +++ b/drivers/iommu/iommu-traces.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * iommu trace points * diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c index 0e2f31f9032b..22d4db302c1c 100644 --- a/drivers/iommu/s390-iommu.c +++ b/drivers/iommu/s390-iommu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IOMMU API for s390 PCI devices * diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 9d8a1dd2e2c2..53380bd72ea4 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -1,3 +1,5 @@ +menu "IRQ chip support" + config IRQCHIP def_bool y depends on OF_IRQ @@ -151,6 +153,9 @@ config CLPS711X_IRQCHIP select SPARSE_IRQ default y +config OMPIC + bool + config OR1K_PIC bool select IRQ_DOMAIN @@ -304,6 +309,7 @@ config EZNPS_GIC config STM32_EXTI bool select IRQ_DOMAIN + select GENERIC_IRQ_CHIP config QCOM_IRQ_COMBINER bool "QCOM IRQ combiner support" @@ -321,3 +327,13 @@ config IRQ_UNIPHIER_AIDET select IRQ_DOMAIN_HIERARCHY help Support for the UniPhier AIDET (ARM Interrupt Detector). + +config MESON_IRQ_GPIO + bool "Meson GPIO Interrupt Multiplexer" + depends on ARCH_MESON + select IRQ_DOMAIN + select IRQ_DOMAIN_HIERARCHY + help + Support Meson SoC Family GPIO Interrupt Multiplexer + +endmenu diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 845abc107ad5..dae7282bfdef 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IRQCHIP) += irqchip.o obj-$(CONFIG_ALPINE_MSI) += irq-alpine-msi.o @@ -17,6 +18,7 @@ obj-$(CONFIG_DW_APB_ICTL) += irq-dw-apb-ictl.o obj-$(CONFIG_METAG) += irq-metag-ext.o obj-$(CONFIG_METAG_PERFCOUNTER_IRQS) += irq-metag.o obj-$(CONFIG_CLPS711X_IRQCHIP) += irq-clps711x.o +obj-$(CONFIG_OMPIC) += irq-ompic.o obj-$(CONFIG_OR1K_PIC) += irq-or1k-pic.o obj-$(CONFIG_ORION_IRQCHIP) += irq-orion.o obj-$(CONFIG_OMAP_IRQCHIP) += irq-omap-intc.o @@ -79,3 +81,5 @@ obj-$(CONFIG_ARCH_ASPEED) += irq-aspeed-vic.o irq-aspeed-i2c-ic.o obj-$(CONFIG_STM32_EXTI) += irq-stm32-exti.o obj-$(CONFIG_QCOM_IRQ_COMBINER) += qcom-irq-combiner.o obj-$(CONFIG_IRQ_UNIPHIER_AIDET) += irq-uniphier-aidet.o +obj-$(CONFIG_ARCH_SYNQUACER) += irq-sni-exiu.o +obj-$(CONFIG_MESON_IRQ_GPIO) += irq-meson-gpio.o diff --git a/drivers/irqchip/irq-aspeed-i2c-ic.c b/drivers/irqchip/irq-aspeed-i2c-ic.c index 815b88dd18f2..f20200af0992 100644 --- a/drivers/irqchip/irq-aspeed-i2c-ic.c +++ b/drivers/irqchip/irq-aspeed-i2c-ic.c @@ -76,8 +76,8 @@ static int __init aspeed_i2c_ic_of_init(struct device_node *node, return -ENOMEM; i2c_ic->base = of_iomap(node, 0); - if (IS_ERR(i2c_ic->base)) { - ret = PTR_ERR(i2c_ic->base); + if (!i2c_ic->base) { + ret = -ENOMEM; goto err_free_ic; } diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index b009b916a292..691d20eb0bec 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -1,7 +1,7 @@ /* * Generic Broadcom Set Top Box Level 2 Interrupt controller driver * - * Copyright (C) 2014 Broadcom Corporation + * Copyright (C) 2014-2017 Broadcom * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -31,35 +31,82 @@ #include <linux/irqchip.h> #include <linux/irqchip/chained_irq.h> -/* Register offsets in the L2 interrupt controller */ -#define CPU_STATUS 0x00 -#define CPU_SET 0x04 -#define CPU_CLEAR 0x08 -#define CPU_MASK_STATUS 0x0c -#define CPU_MASK_SET 0x10 -#define CPU_MASK_CLEAR 0x14 +struct brcmstb_intc_init_params { + irq_flow_handler_t handler; + int cpu_status; + int cpu_clear; + int cpu_mask_status; + int cpu_mask_set; + int cpu_mask_clear; +}; + +/* Register offsets in the L2 latched interrupt controller */ +static const struct brcmstb_intc_init_params l2_edge_intc_init = { + .handler = handle_edge_irq, + .cpu_status = 0x00, + .cpu_clear = 0x08, + .cpu_mask_status = 0x0c, + .cpu_mask_set = 0x10, + .cpu_mask_clear = 0x14 +}; + +/* Register offsets in the L2 level interrupt controller */ +static const struct brcmstb_intc_init_params l2_lvl_intc_init = { + .handler = handle_level_irq, + .cpu_status = 0x00, + .cpu_clear = -1, /* Register not present */ + .cpu_mask_status = 0x04, + .cpu_mask_set = 0x08, + .cpu_mask_clear = 0x0C +}; /* L2 intc private data structure */ struct brcmstb_l2_intc_data { - int parent_irq; - void __iomem *base; struct irq_domain *domain; + struct irq_chip_generic *gc; + int status_offset; + int mask_offset; bool can_wake; u32 saved_mask; /* for suspend/resume */ }; +/** + * brcmstb_l2_mask_and_ack - Mask and ack pending interrupt + * @d: irq_data + * + * Chip has separate enable/disable registers instead of a single mask + * register and pending interrupt is acknowledged by setting a bit. + * + * Note: This function is generic and could easily be added to the + * generic irqchip implementation if there ever becomes a will to do so. + * Perhaps with a name like irq_gc_mask_disable_and_ack_set(). + * + * e.g.: https://patchwork.kernel.org/patch/9831047/ + */ +static void brcmstb_l2_mask_and_ack(struct irq_data *d) +{ + struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct irq_chip_type *ct = irq_data_get_chip_type(d); + u32 mask = d->mask; + + irq_gc_lock(gc); + irq_reg_writel(gc, mask, ct->regs.disable); + *ct->mask_cache &= ~mask; + irq_reg_writel(gc, mask, ct->regs.ack); + irq_gc_unlock(gc); +} + static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc) { struct brcmstb_l2_intc_data *b = irq_desc_get_handler_data(desc); - struct irq_chip_generic *gc = irq_get_domain_generic_chip(b->domain, 0); struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int irq; u32 status; chained_irq_enter(chip, desc); - status = irq_reg_readl(gc, CPU_STATUS) & - ~(irq_reg_readl(gc, CPU_MASK_STATUS)); + status = irq_reg_readl(b->gc, b->status_offset) & + ~(irq_reg_readl(b->gc, b->mask_offset)); if (status == 0) { raw_spin_lock(&desc->lock); @@ -70,10 +117,8 @@ static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc) do { irq = ffs(status) - 1; - /* ack at our level */ - irq_reg_writel(gc, 1 << irq, CPU_CLEAR); status &= ~(1 << irq); - generic_handle_irq(irq_find_mapping(b->domain, irq)); + generic_handle_irq(irq_linear_revmap(b->domain, irq)); } while (status); out: chained_irq_exit(chip, desc); @@ -82,16 +127,17 @@ out: static void brcmstb_l2_intc_suspend(struct irq_data *d) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct irq_chip_type *ct = irq_data_get_chip_type(d); struct brcmstb_l2_intc_data *b = gc->private; irq_gc_lock(gc); /* Save the current mask */ - b->saved_mask = irq_reg_readl(gc, CPU_MASK_STATUS); + b->saved_mask = irq_reg_readl(gc, ct->regs.mask); if (b->can_wake) { /* Program the wakeup mask */ - irq_reg_writel(gc, ~gc->wake_active, CPU_MASK_SET); - irq_reg_writel(gc, gc->wake_active, CPU_MASK_CLEAR); + irq_reg_writel(gc, ~gc->wake_active, ct->regs.disable); + irq_reg_writel(gc, gc->wake_active, ct->regs.enable); } irq_gc_unlock(gc); } @@ -99,49 +145,56 @@ static void brcmstb_l2_intc_suspend(struct irq_data *d) static void brcmstb_l2_intc_resume(struct irq_data *d) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); + struct irq_chip_type *ct = irq_data_get_chip_type(d); struct brcmstb_l2_intc_data *b = gc->private; irq_gc_lock(gc); - /* Clear unmasked non-wakeup interrupts */ - irq_reg_writel(gc, ~b->saved_mask & ~gc->wake_active, CPU_CLEAR); + if (ct->chip.irq_ack) { + /* Clear unmasked non-wakeup interrupts */ + irq_reg_writel(gc, ~b->saved_mask & ~gc->wake_active, + ct->regs.ack); + } /* Restore the saved mask */ - irq_reg_writel(gc, b->saved_mask, CPU_MASK_SET); - irq_reg_writel(gc, ~b->saved_mask, CPU_MASK_CLEAR); + irq_reg_writel(gc, b->saved_mask, ct->regs.disable); + irq_reg_writel(gc, ~b->saved_mask, ct->regs.enable); irq_gc_unlock(gc); } static int __init brcmstb_l2_intc_of_init(struct device_node *np, - struct device_node *parent) + struct device_node *parent, + const struct brcmstb_intc_init_params + *init_params) { unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; struct brcmstb_l2_intc_data *data; - struct irq_chip_generic *gc; struct irq_chip_type *ct; int ret; unsigned int flags; + int parent_irq; + void __iomem *base; data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; - data->base = of_iomap(np, 0); - if (!data->base) { + base = of_iomap(np, 0); + if (!base) { pr_err("failed to remap intc L2 registers\n"); ret = -ENOMEM; goto out_free; } /* Disable all interrupts by default */ - writel(0xffffffff, data->base + CPU_MASK_SET); + writel(0xffffffff, base + init_params->cpu_mask_set); /* Wakeup interrupts may be retained from S5 (cold boot) */ data->can_wake = of_property_read_bool(np, "brcm,irq-can-wake"); - if (!data->can_wake) - writel(0xffffffff, data->base + CPU_CLEAR); + if (!data->can_wake && (init_params->cpu_clear >= 0)) + writel(0xffffffff, base + init_params->cpu_clear); - data->parent_irq = irq_of_parse_and_map(np, 0); - if (!data->parent_irq) { + parent_irq = irq_of_parse_and_map(np, 0); + if (!parent_irq) { pr_err("failed to find parent interrupt\n"); ret = -EINVAL; goto out_unmap; @@ -163,29 +216,39 @@ static int __init brcmstb_l2_intc_of_init(struct device_node *np, /* Allocate a single Generic IRQ chip for this node */ ret = irq_alloc_domain_generic_chips(data->domain, 32, 1, - np->full_name, handle_edge_irq, clr, 0, flags); + np->full_name, init_params->handler, clr, 0, flags); if (ret) { pr_err("failed to allocate generic irq chip\n"); goto out_free_domain; } /* Set the IRQ chaining logic */ - irq_set_chained_handler_and_data(data->parent_irq, + irq_set_chained_handler_and_data(parent_irq, brcmstb_l2_intc_irq_handle, data); - gc = irq_get_domain_generic_chip(data->domain, 0); - gc->reg_base = data->base; - gc->private = data; - ct = gc->chip_types; - - ct->chip.irq_ack = irq_gc_ack_set_bit; - ct->regs.ack = CPU_CLEAR; + data->gc = irq_get_domain_generic_chip(data->domain, 0); + data->gc->reg_base = base; + data->gc->private = data; + data->status_offset = init_params->cpu_status; + data->mask_offset = init_params->cpu_mask_status; + + ct = data->gc->chip_types; + + if (init_params->cpu_clear >= 0) { + ct->regs.ack = init_params->cpu_clear; + ct->chip.irq_ack = irq_gc_ack_set_bit; + ct->chip.irq_mask_ack = brcmstb_l2_mask_and_ack; + } else { + /* No Ack - but still slightly more efficient to define this */ + ct->chip.irq_mask_ack = irq_gc_mask_disable_reg; + } ct->chip.irq_mask = irq_gc_mask_disable_reg; - ct->regs.disable = CPU_MASK_SET; + ct->regs.disable = init_params->cpu_mask_set; + ct->regs.mask = init_params->cpu_mask_status; ct->chip.irq_unmask = irq_gc_unmask_enable_reg; - ct->regs.enable = CPU_MASK_CLEAR; + ct->regs.enable = init_params->cpu_mask_clear; ct->chip.irq_suspend = brcmstb_l2_intc_suspend; ct->chip.irq_resume = brcmstb_l2_intc_resume; @@ -195,21 +258,35 @@ static int __init brcmstb_l2_intc_of_init(struct device_node *np, /* This IRQ chip can wake the system, set all child interrupts * in wake_enabled mask */ - gc->wake_enabled = 0xffffffff; + data->gc->wake_enabled = 0xffffffff; ct->chip.irq_set_wake = irq_gc_set_wake; } pr_info("registered L2 intc (mem: 0x%p, parent irq: %d)\n", - data->base, data->parent_irq); + base, parent_irq); return 0; out_free_domain: irq_domain_remove(data->domain); out_unmap: - iounmap(data->base); + iounmap(base); out_free: kfree(data); return ret; } -IRQCHIP_DECLARE(brcmstb_l2_intc, "brcm,l2-intc", brcmstb_l2_intc_of_init); + +int __init brcmstb_l2_edge_intc_of_init(struct device_node *np, + struct device_node *parent) +{ + return brcmstb_l2_intc_of_init(np, parent, &l2_edge_intc_init); +} +IRQCHIP_DECLARE(brcmstb_l2_intc, "brcm,l2-intc", brcmstb_l2_edge_intc_of_init); + +int __init brcmstb_l2_lvl_intc_of_init(struct device_node *np, + struct device_node *parent) +{ + return brcmstb_l2_intc_of_init(np, parent, &l2_lvl_intc_init); +} +IRQCHIP_DECLARE(bcm7271_l2_intc, "brcm,bcm7271-l2-intc", + brcmstb_l2_lvl_intc_of_init); diff --git a/drivers/irqchip/irq-ftintc010.c b/drivers/irqchip/irq-ftintc010.c index cd2dc8bbbe9c..0bf98425dca5 100644 --- a/drivers/irqchip/irq-ftintc010.c +++ b/drivers/irqchip/irq-ftintc010.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * irqchip for the Faraday Technology FTINTC010 Copyright (C) 2017 Linus * Walleij <linus.walleij@linaro.org> diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c index 9ae71804b5dd..30017df5b54c 100644 --- a/drivers/irqchip/irq-gic-common.c +++ b/drivers/irqchip/irq-gic-common.c @@ -40,8 +40,9 @@ void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks, for (; quirks->desc; quirks++) { if (quirks->iidr != (quirks->mask & iidr)) continue; - quirks->init(data); - pr_info("GIC: enabling workaround for %s\n", quirks->desc); + if (quirks->init(data)) + pr_info("GIC: enabling workaround for %s\n", + quirks->desc); } } diff --git a/drivers/irqchip/irq-gic-common.h b/drivers/irqchip/irq-gic-common.h index 205e5fddf6da..3919cd7c5285 100644 --- a/drivers/irqchip/irq-gic-common.h +++ b/drivers/irqchip/irq-gic-common.h @@ -23,7 +23,7 @@ struct gic_quirk { const char *desc; - void (*init)(void *data); + bool (*init)(void *data); u32 iidr; u32 mask; }; diff --git a/drivers/irqchip/irq-gic-realview.c b/drivers/irqchip/irq-gic-realview.c index 18d58d2b4ffe..b4c1924f0255 100644 --- a/drivers/irqchip/irq-gic-realview.c +++ b/drivers/irqchip/irq-gic-realview.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Special GIC quirks for the ARM RealView * Copyright (C) 2015 Linus Walleij diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index e88395605e32..4039e64cd342 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -83,6 +83,8 @@ struct its_baser { u32 psz; }; +struct its_device; + /* * The ITS structure - contains most of the infrastructure, with the * top-level MSI domain, the command queue, the collections, and the @@ -97,12 +99,18 @@ struct its_node { struct its_cmd_block *cmd_write; struct its_baser tables[GITS_BASER_NR_REGS]; struct its_collection *collections; + struct fwnode_handle *fwnode_handle; + u64 (*get_msi_base)(struct its_device *its_dev); struct list_head its_device_list; u64 flags; + unsigned long list_nr; u32 ite_size; u32 device_ids; int numa_node; + unsigned int msi_domain_flags; + u32 pre_its_base; /* for Socionext Synquacer */ bool is_v4; + int vlpi_redist_offset; }; #define ITS_ITT_ALIGN SZ_256 @@ -152,12 +160,6 @@ static DEFINE_SPINLOCK(its_lock); static struct rdists *gic_rdists; static struct irq_domain *its_parent; -/* - * We have a maximum number of 16 ITSs in the whole system if we're - * using the ITSList mechanism - */ -#define ITS_LIST_MAX 16 - static unsigned long its_list_map; static u16 vmovp_seq_num; static DEFINE_RAW_SPINLOCK(vmovp_lock); @@ -272,10 +274,12 @@ struct its_cmd_block { #define ITS_CMD_QUEUE_SZ SZ_64K #define ITS_CMD_QUEUE_NR_ENTRIES (ITS_CMD_QUEUE_SZ / sizeof(struct its_cmd_block)) -typedef struct its_collection *(*its_cmd_builder_t)(struct its_cmd_block *, +typedef struct its_collection *(*its_cmd_builder_t)(struct its_node *, + struct its_cmd_block *, struct its_cmd_desc *); -typedef struct its_vpe *(*its_cmd_vbuilder_t)(struct its_cmd_block *, +typedef struct its_vpe *(*its_cmd_vbuilder_t)(struct its_node *, + struct its_cmd_block *, struct its_cmd_desc *); static void its_mask_encode(u64 *raw_cmd, u64 val, int h, int l) @@ -379,7 +383,8 @@ static inline void its_fixup_cmd(struct its_cmd_block *cmd) cmd->raw_cmd[3] = cpu_to_le64(cmd->raw_cmd[3]); } -static struct its_collection *its_build_mapd_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_mapd_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { unsigned long itt_addr; @@ -399,7 +404,8 @@ static struct its_collection *its_build_mapd_cmd(struct its_cmd_block *cmd, return NULL; } -static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_mapc_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { its_encode_cmd(cmd, GITS_CMD_MAPC); @@ -412,7 +418,8 @@ static struct its_collection *its_build_mapc_cmd(struct its_cmd_block *cmd, return desc->its_mapc_cmd.col; } -static struct its_collection *its_build_mapti_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_mapti_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { struct its_collection *col; @@ -431,7 +438,8 @@ static struct its_collection *its_build_mapti_cmd(struct its_cmd_block *cmd, return col; } -static struct its_collection *its_build_movi_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_movi_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { struct its_collection *col; @@ -449,7 +457,8 @@ static struct its_collection *its_build_movi_cmd(struct its_cmd_block *cmd, return col; } -static struct its_collection *its_build_discard_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_discard_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { struct its_collection *col; @@ -466,7 +475,8 @@ static struct its_collection *its_build_discard_cmd(struct its_cmd_block *cmd, return col; } -static struct its_collection *its_build_inv_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_inv_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { struct its_collection *col; @@ -483,7 +493,8 @@ static struct its_collection *its_build_inv_cmd(struct its_cmd_block *cmd, return col; } -static struct its_collection *its_build_int_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_int_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { struct its_collection *col; @@ -500,7 +511,8 @@ static struct its_collection *its_build_int_cmd(struct its_cmd_block *cmd, return col; } -static struct its_collection *its_build_clear_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_clear_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { struct its_collection *col; @@ -517,7 +529,8 @@ static struct its_collection *its_build_clear_cmd(struct its_cmd_block *cmd, return col; } -static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd, +static struct its_collection *its_build_invall_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { its_encode_cmd(cmd, GITS_CMD_INVALL); @@ -528,7 +541,8 @@ static struct its_collection *its_build_invall_cmd(struct its_cmd_block *cmd, return NULL; } -static struct its_vpe *its_build_vinvall_cmd(struct its_cmd_block *cmd, +static struct its_vpe *its_build_vinvall_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { its_encode_cmd(cmd, GITS_CMD_VINVALL); @@ -539,17 +553,20 @@ static struct its_vpe *its_build_vinvall_cmd(struct its_cmd_block *cmd, return desc->its_vinvall_cmd.vpe; } -static struct its_vpe *its_build_vmapp_cmd(struct its_cmd_block *cmd, +static struct its_vpe *its_build_vmapp_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { unsigned long vpt_addr; + u64 target; vpt_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->vpt_page)); + target = desc->its_vmapp_cmd.col->target_address + its->vlpi_redist_offset; its_encode_cmd(cmd, GITS_CMD_VMAPP); its_encode_vpeid(cmd, desc->its_vmapp_cmd.vpe->vpe_id); its_encode_valid(cmd, desc->its_vmapp_cmd.valid); - its_encode_target(cmd, desc->its_vmapp_cmd.col->target_address); + its_encode_target(cmd, target); its_encode_vpt_addr(cmd, vpt_addr); its_encode_vpt_size(cmd, LPI_NRBITS - 1); @@ -558,7 +575,8 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_cmd_block *cmd, return desc->its_vmapp_cmd.vpe; } -static struct its_vpe *its_build_vmapti_cmd(struct its_cmd_block *cmd, +static struct its_vpe *its_build_vmapti_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { u32 db; @@ -580,7 +598,8 @@ static struct its_vpe *its_build_vmapti_cmd(struct its_cmd_block *cmd, return desc->its_vmapti_cmd.vpe; } -static struct its_vpe *its_build_vmovi_cmd(struct its_cmd_block *cmd, +static struct its_vpe *its_build_vmovi_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { u32 db; @@ -602,14 +621,18 @@ static struct its_vpe *its_build_vmovi_cmd(struct its_cmd_block *cmd, return desc->its_vmovi_cmd.vpe; } -static struct its_vpe *its_build_vmovp_cmd(struct its_cmd_block *cmd, +static struct its_vpe *its_build_vmovp_cmd(struct its_node *its, + struct its_cmd_block *cmd, struct its_cmd_desc *desc) { + u64 target; + + target = desc->its_vmovp_cmd.col->target_address + its->vlpi_redist_offset; its_encode_cmd(cmd, GITS_CMD_VMOVP); its_encode_seq_num(cmd, desc->its_vmovp_cmd.seq_num); its_encode_its_list(cmd, desc->its_vmovp_cmd.its_list); its_encode_vpeid(cmd, desc->its_vmovp_cmd.vpe->vpe_id); - its_encode_target(cmd, desc->its_vmovp_cmd.col->target_address); + its_encode_target(cmd, target); its_fixup_cmd(cmd); @@ -688,9 +711,9 @@ static void its_flush_cmd(struct its_node *its, struct its_cmd_block *cmd) dsb(ishst); } -static void its_wait_for_range_completion(struct its_node *its, - struct its_cmd_block *from, - struct its_cmd_block *to) +static int its_wait_for_range_completion(struct its_node *its, + struct its_cmd_block *from, + struct its_cmd_block *to) { u64 rd_idx, from_idx, to_idx; u32 count = 1000000; /* 1s! */ @@ -711,12 +734,15 @@ static void its_wait_for_range_completion(struct its_node *its, count--; if (!count) { - pr_err_ratelimited("ITS queue timeout\n"); - return; + pr_err_ratelimited("ITS queue timeout (%llu %llu %llu)\n", + from_idx, to_idx, rd_idx); + return -1; } cpu_relax(); udelay(1); } + + return 0; } /* Warning, macro hell follows */ @@ -736,7 +762,7 @@ void name(struct its_node *its, \ raw_spin_unlock_irqrestore(&its->lock, flags); \ return; \ } \ - sync_obj = builder(cmd, desc); \ + sync_obj = builder(its, cmd, desc); \ its_flush_cmd(its, cmd); \ \ if (sync_obj) { \ @@ -744,7 +770,7 @@ void name(struct its_node *its, \ if (!sync_cmd) \ goto post; \ \ - buildfn(sync_cmd, sync_obj); \ + buildfn(its, sync_cmd, sync_obj); \ its_flush_cmd(its, sync_cmd); \ } \ \ @@ -752,10 +778,12 @@ post: \ next_cmd = its_post_commands(its); \ raw_spin_unlock_irqrestore(&its->lock, flags); \ \ - its_wait_for_range_completion(its, cmd, next_cmd); \ + if (its_wait_for_range_completion(its, cmd, next_cmd)) \ + pr_err_ratelimited("ITS cmd %ps failed\n", builder); \ } -static void its_build_sync_cmd(struct its_cmd_block *sync_cmd, +static void its_build_sync_cmd(struct its_node *its, + struct its_cmd_block *sync_cmd, struct its_collection *sync_col) { its_encode_cmd(sync_cmd, GITS_CMD_SYNC); @@ -767,7 +795,8 @@ static void its_build_sync_cmd(struct its_cmd_block *sync_cmd, static BUILD_SINGLE_CMD_FUNC(its_send_single_command, its_cmd_builder_t, struct its_collection, its_build_sync_cmd) -static void its_build_vsync_cmd(struct its_cmd_block *sync_cmd, +static void its_build_vsync_cmd(struct its_node *its, + struct its_cmd_block *sync_cmd, struct its_vpe *sync_vpe) { its_encode_cmd(sync_cmd, GITS_CMD_VSYNC); @@ -899,21 +928,16 @@ static void its_send_vmovi(struct its_device *dev, u32 id) its_send_single_vcommand(dev->its, its_build_vmovi_cmd, &desc); } -static void its_send_vmapp(struct its_vpe *vpe, bool valid) +static void its_send_vmapp(struct its_node *its, + struct its_vpe *vpe, bool valid) { struct its_cmd_desc desc; - struct its_node *its; desc.its_vmapp_cmd.vpe = vpe; desc.its_vmapp_cmd.valid = valid; + desc.its_vmapp_cmd.col = &its->collections[vpe->col_idx]; - list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) - continue; - - desc.its_vmapp_cmd.col = &its->collections[vpe->col_idx]; - its_send_single_vcommand(its, its_build_vmapp_cmd, &desc); - } + its_send_single_vcommand(its, its_build_vmapp_cmd, &desc); } static void its_send_vmovp(struct its_vpe *vpe) @@ -951,6 +975,9 @@ static void its_send_vmovp(struct its_vpe *vpe) if (!its->is_v4) continue; + if (!vpe->its_vm->vlpi_count[its->list_nr]) + continue; + desc.its_vmovp_cmd.col = &its->collections[col_id]; its_send_single_vcommand(its, its_build_vmovp_cmd, &desc); } @@ -958,18 +985,12 @@ static void its_send_vmovp(struct its_vpe *vpe) raw_spin_unlock_irqrestore(&vmovp_lock, flags); } -static void its_send_vinvall(struct its_vpe *vpe) +static void its_send_vinvall(struct its_node *its, struct its_vpe *vpe) { struct its_cmd_desc desc; - struct its_node *its; desc.its_vinvall_cmd.vpe = vpe; - - list_for_each_entry(its, &its_nodes, entry) { - if (!its->is_v4) - continue; - its_send_single_vcommand(its, its_build_vinvall_cmd, &desc); - } + its_send_single_vcommand(its, its_build_vinvall_cmd, &desc); } /* @@ -991,9 +1012,15 @@ static void lpi_write_config(struct irq_data *d, u8 clr, u8 set) if (irqd_is_forwarded_to_vcpu(d)) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); u32 event = its_get_event_id(d); + struct its_vlpi_map *map; prop_page = its_dev->event_map.vm->vprop_page; - hwirq = its_dev->event_map.vlpi_maps[event].vintid; + map = &its_dev->event_map.vlpi_maps[event]; + hwirq = map->vintid; + + /* Remember the updated property */ + map->properties &= ~clr; + map->properties |= set | LPI_PROP_GROUP1; } else { prop_page = gic_rdists->prop_page; hwirq = d->hwirq; @@ -1099,6 +1126,13 @@ static int its_set_affinity(struct irq_data *d, const struct cpumask *mask_val, return IRQ_SET_MASK_OK_DONE; } +static u64 its_irq_get_msi_base(struct its_device *its_dev) +{ + struct its_node *its = its_dev->its; + + return its->phys_base + GITS_TRANSLATER; +} + static void its_irq_compose_msi_msg(struct irq_data *d, struct msi_msg *msg) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); @@ -1106,7 +1140,7 @@ static void its_irq_compose_msi_msg(struct irq_data *d, struct msi_msg *msg) u64 addr; its = its_dev->its; - addr = its->phys_base + GITS_TRANSLATER; + addr = its->get_msi_base(its_dev); msg->address_lo = lower_32_bits(addr); msg->address_hi = upper_32_bits(addr); @@ -1133,6 +1167,60 @@ static int its_irq_set_irqchip_state(struct irq_data *d, return 0; } +static void its_map_vm(struct its_node *its, struct its_vm *vm) +{ + unsigned long flags; + + /* Not using the ITS list? Everything is always mapped. */ + if (!its_list_map) + return; + + raw_spin_lock_irqsave(&vmovp_lock, flags); + + /* + * If the VM wasn't mapped yet, iterate over the vpes and get + * them mapped now. + */ + vm->vlpi_count[its->list_nr]++; + + if (vm->vlpi_count[its->list_nr] == 1) { + int i; + + for (i = 0; i < vm->nr_vpes; i++) { + struct its_vpe *vpe = vm->vpes[i]; + struct irq_data *d = irq_get_irq_data(vpe->irq); + + /* Map the VPE to the first possible CPU */ + vpe->col_idx = cpumask_first(cpu_online_mask); + its_send_vmapp(its, vpe, true); + its_send_vinvall(its, vpe); + irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx)); + } + } + + raw_spin_unlock_irqrestore(&vmovp_lock, flags); +} + +static void its_unmap_vm(struct its_node *its, struct its_vm *vm) +{ + unsigned long flags; + + /* Not using the ITS list? Everything is always mapped. */ + if (!its_list_map) + return; + + raw_spin_lock_irqsave(&vmovp_lock, flags); + + if (!--vm->vlpi_count[its->list_nr]) { + int i; + + for (i = 0; i < vm->nr_vpes; i++) + its_send_vmapp(its, vm->vpes[i], false); + } + + raw_spin_unlock_irqrestore(&vmovp_lock, flags); +} + static int its_vlpi_map(struct irq_data *d, struct its_cmd_info *info) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); @@ -1168,12 +1256,23 @@ static int its_vlpi_map(struct irq_data *d, struct its_cmd_info *info) /* Already mapped, move it around */ its_send_vmovi(its_dev, event); } else { + /* Ensure all the VPEs are mapped on this ITS */ + its_map_vm(its_dev->its, info->map->vm); + + /* + * Flag the interrupt as forwarded so that we can + * start poking the virtual property table. + */ + irqd_set_forwarded_to_vcpu(d); + + /* Write out the property to the prop table */ + lpi_write_config(d, 0xff, info->map->properties); + /* Drop the physical mapping */ its_send_discard(its_dev, event); /* and install the virtual one */ its_send_vmapti(its_dev, event); - irqd_set_forwarded_to_vcpu(d); /* Increment the number of VLPIs */ its_dev->event_map.nr_vlpis++; @@ -1229,6 +1328,9 @@ static int its_vlpi_unmap(struct irq_data *d) LPI_PROP_ENABLED | LPI_PROP_GROUP1)); + /* Potentially unmap the VM from this ITS */ + its_unmap_vm(its_dev->its, its_dev->event_map.vm); + /* * Drop the refcount and make the device available again if * this was the last VLPI. @@ -1669,23 +1771,14 @@ static void its_free_tables(struct its_node *its) static int its_alloc_tables(struct its_node *its) { - u64 typer = gic_read_typer(its->base + GITS_TYPER); - u32 ids = GITS_TYPER_DEVBITS(typer); u64 shr = GITS_BASER_InnerShareable; u64 cache = GITS_BASER_RaWaWb; u32 psz = SZ_64K; int err, i; - if (its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_22375) { - /* - * erratum 22375: only alloc 8MB table size - * erratum 24313: ignore memory access type - */ - cache = GITS_BASER_nCnB; - ids = 0x14; /* 20 bits, 8MB */ - } - - its->device_ids = ids; + if (its->flags & ITS_FLAGS_WORKAROUND_CAVIUM_22375) + /* erratum 24313: ignore memory access type */ + cache = GITS_BASER_nCnB; for (i = 0; i < GITS_BASER_NR_REGS; i++) { struct its_baser *baser = its->tables + i; @@ -2209,8 +2302,8 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, return 0; } -static void its_irq_domain_activate(struct irq_domain *domain, - struct irq_data *d) +static int its_irq_domain_activate(struct irq_domain *domain, + struct irq_data *d, bool early) { struct its_device *its_dev = irq_data_get_irq_chip_data(d); u32 event = its_get_event_id(d); @@ -2228,6 +2321,7 @@ static void its_irq_domain_activate(struct irq_domain *domain, /* Map the GIC IRQ and event to the device */ its_send_mapti(its_dev, d->hwirq, event); + return 0; } static void its_irq_domain_deactivate(struct irq_domain *domain, @@ -2394,6 +2488,8 @@ static int its_vpe_set_affinity(struct irq_data *d, its_vpe_db_proxy_move(vpe, from, cpu); } + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK_DONE; } @@ -2461,6 +2557,26 @@ static void its_vpe_deschedule(struct its_vpe *vpe) } } +static void its_vpe_invall(struct its_vpe *vpe) +{ + struct its_node *its; + + list_for_each_entry(its, &its_nodes, entry) { + if (!its->is_v4) + continue; + + if (its_list_map && !vpe->its_vm->vlpi_count[its->list_nr]) + continue; + + /* + * Sending a VINVALL to a single ITS is enough, as all + * we need is to reach the redistributors. + */ + its_send_vinvall(its, vpe); + return; + } +} + static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) { struct its_vpe *vpe = irq_data_get_irq_chip_data(d); @@ -2476,7 +2592,7 @@ static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info) return 0; case INVALL_VPE: - its_send_vinvall(vpe); + its_vpe_invall(vpe); return 0; default: @@ -2701,23 +2817,51 @@ static int its_vpe_irq_domain_alloc(struct irq_domain *domain, unsigned int virq return err; } -static void its_vpe_irq_domain_activate(struct irq_domain *domain, - struct irq_data *d) +static int its_vpe_irq_domain_activate(struct irq_domain *domain, + struct irq_data *d, bool early) { struct its_vpe *vpe = irq_data_get_irq_chip_data(d); + struct its_node *its; + + /* If we use the list map, we issue VMAPP on demand... */ + if (its_list_map) + return 0; /* Map the VPE to the first possible CPU */ vpe->col_idx = cpumask_first(cpu_online_mask); - its_send_vmapp(vpe, true); - its_send_vinvall(vpe); + + list_for_each_entry(its, &its_nodes, entry) { + if (!its->is_v4) + continue; + + its_send_vmapp(its, vpe, true); + its_send_vinvall(its, vpe); + } + + irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx)); + + return 0; } static void its_vpe_irq_domain_deactivate(struct irq_domain *domain, struct irq_data *d) { struct its_vpe *vpe = irq_data_get_irq_chip_data(d); + struct its_node *its; + + /* + * If we use the list map, we unmap the VPE once no VLPIs are + * associated with the VM. + */ + if (its_list_map) + return; - its_send_vmapp(vpe, false); + list_for_each_entry(its, &its_nodes, entry) { + if (!its->is_v4) + continue; + + its_send_vmapp(its, vpe, false); + } } static const struct irq_domain_ops its_vpe_domain_ops = { @@ -2760,26 +2904,85 @@ static int its_force_quiescent(void __iomem *base) } } -static void __maybe_unused its_enable_quirk_cavium_22375(void *data) +static bool __maybe_unused its_enable_quirk_cavium_22375(void *data) { struct its_node *its = data; + /* erratum 22375: only alloc 8MB table size */ + its->device_ids = 0x14; /* 20 bits, 8MB */ its->flags |= ITS_FLAGS_WORKAROUND_CAVIUM_22375; + + return true; } -static void __maybe_unused its_enable_quirk_cavium_23144(void *data) +static bool __maybe_unused its_enable_quirk_cavium_23144(void *data) { struct its_node *its = data; its->flags |= ITS_FLAGS_WORKAROUND_CAVIUM_23144; + + return true; } -static void __maybe_unused its_enable_quirk_qdf2400_e0065(void *data) +static bool __maybe_unused its_enable_quirk_qdf2400_e0065(void *data) { struct its_node *its = data; /* On QDF2400, the size of the ITE is 16Bytes */ its->ite_size = 16; + + return true; +} + +static u64 its_irq_get_msi_base_pre_its(struct its_device *its_dev) +{ + struct its_node *its = its_dev->its; + + /* + * The Socionext Synquacer SoC has a so-called 'pre-ITS', + * which maps 32-bit writes targeted at a separate window of + * size '4 << device_id_bits' onto writes to GITS_TRANSLATER + * with device ID taken from bits [device_id_bits + 1:2] of + * the window offset. + */ + return its->pre_its_base + (its_dev->device_id << 2); +} + +static bool __maybe_unused its_enable_quirk_socionext_synquacer(void *data) +{ + struct its_node *its = data; + u32 pre_its_window[2]; + u32 ids; + + if (!fwnode_property_read_u32_array(its->fwnode_handle, + "socionext,synquacer-pre-its", + pre_its_window, + ARRAY_SIZE(pre_its_window))) { + + its->pre_its_base = pre_its_window[0]; + its->get_msi_base = its_irq_get_msi_base_pre_its; + + ids = ilog2(pre_its_window[1]) - 2; + if (its->device_ids > ids) + its->device_ids = ids; + + /* the pre-ITS breaks isolation, so disable MSI remapping */ + its->msi_domain_flags &= ~IRQ_DOMAIN_FLAG_MSI_REMAP; + return true; + } + return false; +} + +static bool __maybe_unused its_enable_quirk_hip07_161600802(void *data) +{ + struct its_node *its = data; + + /* + * Hip07 insists on using the wrong address for the VLPI + * page. Trick it into doing the right thing... + */ + its->vlpi_redist_offset = SZ_128K; + return true; } static const struct gic_quirk its_quirks[] = { @@ -2807,6 +3010,27 @@ static const struct gic_quirk its_quirks[] = { .init = its_enable_quirk_qdf2400_e0065, }, #endif +#ifdef CONFIG_SOCIONEXT_SYNQUACER_PREITS + { + /* + * The Socionext Synquacer SoC incorporates ARM's own GIC-500 + * implementation, but with a 'pre-ITS' added that requires + * special handling in software. + */ + .desc = "ITS: Socionext Synquacer pre-ITS", + .iidr = 0x0001143b, + .mask = 0xffffffff, + .init = its_enable_quirk_socionext_synquacer, + }, +#endif +#ifdef CONFIG_HISILICON_ERRATUM_161600802 + { + .desc = "ITS: Hip07 erratum 161600802", + .iidr = 0x00000004, + .mask = 0xffffffff, + .init = its_enable_quirk_hip07_161600802, + }, +#endif { } }; @@ -2835,7 +3059,7 @@ static int its_init_domain(struct fwnode_handle *handle, struct its_node *its) inner_domain->parent = its_parent; irq_domain_update_bus_token(inner_domain, DOMAIN_BUS_NEXUS); - inner_domain->flags |= IRQ_DOMAIN_FLAG_MSI_REMAP; + inner_domain->flags |= its->msi_domain_flags; info->ops = &its_msi_domain_ops; info->data = its; inner_domain->host_data = info; @@ -2896,8 +3120,8 @@ static int __init its_compute_its_list_map(struct resource *res, * locking. Should this change, we should address * this. */ - its_number = find_first_zero_bit(&its_list_map, ITS_LIST_MAX); - if (its_number >= ITS_LIST_MAX) { + its_number = find_first_zero_bit(&its_list_map, GICv4_ITS_LIST_MAX); + if (its_number >= GICv4_ITS_LIST_MAX) { pr_err("ITS@%pa: No ITSList entry available!\n", &res->start); return -EINVAL; @@ -2965,6 +3189,7 @@ static int __init its_probe_one(struct resource *res, its->base = its_base; its->phys_base = res->start; its->ite_size = GITS_TYPER_ITT_ENTRY_SIZE(typer); + its->device_ids = GITS_TYPER_DEVBITS(typer); its->is_v4 = !!(typer & GITS_TYPER_VLPIS); if (its->is_v4) { if (!(typer & GITS_TYPER_VMOVP)) { @@ -2972,6 +3197,8 @@ static int __init its_probe_one(struct resource *res, if (err < 0) goto out_free_its; + its->list_nr = err; + pr_info("ITS@%pa: Using ITS number %d\n", &res->start, err); } else { @@ -2988,6 +3215,9 @@ static int __init its_probe_one(struct resource *res, goto out_free_its; } its->cmd_write = its->cmd_base; + its->fwnode_handle = handle; + its->get_msi_base = its_irq_get_msi_base; + its->msi_domain_flags = IRQ_DOMAIN_FLAG_MSI_REMAP; its_enable_quirks(its); diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index b5df99c6f680..b54b55597ffb 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -55,6 +55,7 @@ struct gic_chip_data { struct irq_domain *domain; u64 redist_stride; u32 nr_redist_regions; + bool has_rss; unsigned int irq_nr; struct partition_desc *ppi_descs[16]; }; @@ -63,7 +64,9 @@ static struct gic_chip_data gic_data __read_mostly; static struct static_key supports_deactivate = STATIC_KEY_INIT_TRUE; static struct gic_kvm_info gic_v3_kvm_info; +static DEFINE_PER_CPU(bool, has_rss); +#define MPIDR_RS(mpidr) (((mpidr) & 0xF0UL) >> 4) #define gic_data_rdist() (this_cpu_ptr(gic_data.rdists.rdist)) #define gic_data_rdist_rd_base() (gic_data_rdist()->rd_base) #define gic_data_rdist_sgi_base() (gic_data_rdist_rd_base() + SZ_64K) @@ -526,6 +529,10 @@ static void gic_update_vlpi_properties(void) static void gic_cpu_sys_reg_init(void) { + int i, cpu = smp_processor_id(); + u64 mpidr = cpu_logical_map(cpu); + u64 need_rss = MPIDR_RS(mpidr); + /* * Need to check that the SRE bit has actually been set. If * not, it means that SRE is disabled at EL2. We're going to @@ -557,6 +564,30 @@ static void gic_cpu_sys_reg_init(void) /* ... and let's hit the road... */ gic_write_grpen1(1); + + /* Keep the RSS capability status in per_cpu variable */ + per_cpu(has_rss, cpu) = !!(gic_read_ctlr() & ICC_CTLR_EL1_RSS); + + /* Check all the CPUs have capable of sending SGIs to other CPUs */ + for_each_online_cpu(i) { + bool have_rss = per_cpu(has_rss, i) && per_cpu(has_rss, cpu); + + need_rss |= MPIDR_RS(cpu_logical_map(i)); + if (need_rss && (!have_rss)) + pr_crit("CPU%d (%lx) can't SGI CPU%d (%lx), no RSS\n", + cpu, (unsigned long)mpidr, + i, (unsigned long)cpu_logical_map(i)); + } + + /** + * GIC spec says, when ICC_CTLR_EL1.RSS==1 and GICD_TYPER.RSS==0, + * writing ICC_ASGI1R_EL1 register with RS != 0 is a CONSTRAINED + * UNPREDICTABLE choice of : + * - The write is ignored. + * - The RS field is treated as 0. + */ + if (need_rss && (!gic_data.has_rss)) + pr_crit_once("RSS is required but GICD doesn't support it\n"); } static int gic_dist_supports_lpis(void) @@ -591,6 +622,9 @@ static void gic_cpu_init(void) #ifdef CONFIG_SMP +#define MPIDR_TO_SGI_RS(mpidr) (MPIDR_RS(mpidr) << ICC_SGI1R_RS_SHIFT) +#define MPIDR_TO_SGI_CLUSTER_ID(mpidr) ((mpidr) & ~0xFUL) + static int gic_starting_cpu(unsigned int cpu) { gic_cpu_init(); @@ -605,13 +639,6 @@ static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask, u16 tlist = 0; while (cpu < nr_cpu_ids) { - /* - * If we ever get a cluster of more than 16 CPUs, just - * scream and skip that CPU. - */ - if (WARN_ON((mpidr & 0xff) >= 16)) - goto out; - tlist |= 1 << (mpidr & 0xf); next_cpu = cpumask_next(cpu, mask); @@ -621,7 +648,7 @@ static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask, mpidr = cpu_logical_map(cpu); - if (cluster_id != (mpidr & ~0xffUL)) { + if (cluster_id != MPIDR_TO_SGI_CLUSTER_ID(mpidr)) { cpu--; goto out; } @@ -643,6 +670,7 @@ static void gic_send_sgi(u64 cluster_id, u16 tlist, unsigned int irq) MPIDR_TO_SGI_AFFINITY(cluster_id, 2) | irq << ICC_SGI1R_SGI_ID_SHIFT | MPIDR_TO_SGI_AFFINITY(cluster_id, 1) | + MPIDR_TO_SGI_RS(cluster_id) | tlist << ICC_SGI1R_TARGET_LIST_SHIFT); pr_debug("CPU%d: ICC_SGI1R_EL1 %llx\n", smp_processor_id(), val); @@ -663,7 +691,7 @@ static void gic_raise_softirq(const struct cpumask *mask, unsigned int irq) smp_wmb(); for_each_cpu(cpu, mask) { - unsigned long cluster_id = cpu_logical_map(cpu) & ~0xffUL; + u64 cluster_id = MPIDR_TO_SGI_CLUSTER_ID(cpu_logical_map(cpu)); u16 tlist; tlist = gic_compute_target_list(&cpu, mask, cluster_id); @@ -1007,6 +1035,10 @@ static int __init gic_init_bases(void __iomem *dist_base, goto out_free; } + gic_data.has_rss = !!(typer & GICD_TYPER_RSS); + pr_info("Distributor has %sRange Selector support\n", + gic_data.has_rss ? "" : "no "); + set_handle_irq(gic_handle_irq); gic_update_vlpi_properties(); diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 651d726e8b12..f641e8e2c78d 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -1256,6 +1256,19 @@ static void gic_teardown(struct gic_chip_data *gic) #ifdef CONFIG_OF static int gic_cnt __initdata; +static bool gicv2_force_probe; + +static int __init gicv2_force_probe_cfg(char *buf) +{ + return strtobool(buf, &gicv2_force_probe); +} +early_param("irqchip.gicv2_force_probe", gicv2_force_probe_cfg); + +static bool gic_check_gicv2(void __iomem *base) +{ + u32 val = readl_relaxed(base + GIC_CPU_IDENT); + return (val & 0xff0fff) == 0x02043B; +} static bool gic_check_eoimode(struct device_node *node, void __iomem **base) { @@ -1265,20 +1278,60 @@ static bool gic_check_eoimode(struct device_node *node, void __iomem **base) if (!is_hyp_mode_available()) return false; - if (resource_size(&cpuif_res) < SZ_8K) - return false; - if (resource_size(&cpuif_res) == SZ_128K) { - u32 val_low, val_high; + if (resource_size(&cpuif_res) < SZ_8K) { + void __iomem *alt; + /* + * Check for a stupid firmware that only exposes the + * first page of a GICv2. + */ + if (!gic_check_gicv2(*base)) + return false; + if (!gicv2_force_probe) { + pr_warn("GIC: GICv2 detected, but range too small and irqchip.gicv2_force_probe not set\n"); + return false; + } + + alt = ioremap(cpuif_res.start, SZ_8K); + if (!alt) + return false; + if (!gic_check_gicv2(alt + SZ_4K)) { + /* + * The first page was that of a GICv2, and + * the second was *something*. Let's trust it + * to be a GICv2, and update the mapping. + */ + pr_warn("GIC: GICv2 at %pa, but range is too small (broken DT?), assuming 8kB\n", + &cpuif_res.start); + iounmap(*base); + *base = alt; + return true; + } + + /* + * We detected *two* initial GICv2 pages in a + * row. Could be a GICv2 aliased over two 64kB + * pages. Update the resource, map the iospace, and + * pray. + */ + iounmap(alt); + alt = ioremap(cpuif_res.start, SZ_128K); + if (!alt) + return false; + pr_warn("GIC: Aliased GICv2 at %pa, trying to find the canonical range over 128kB\n", + &cpuif_res.start); + cpuif_res.end = cpuif_res.start + SZ_128K -1; + iounmap(*base); + *base = alt; + } + if (resource_size(&cpuif_res) == SZ_128K) { /* - * Verify that we have the first 4kB of a GIC400 + * Verify that we have the first 4kB of a GICv2 * aliased over the first 64kB by checking the * GICC_IIDR register on both ends. */ - val_low = readl_relaxed(*base + GIC_CPU_IDENT); - val_high = readl_relaxed(*base + GIC_CPU_IDENT + 0xf000); - if ((val_low & 0xffff0fff) != 0x0202043B || - val_low != val_high) + if (!gic_check_gicv2(*base) || + !gic_check_gicv2(*base + 0xf000)) return false; /* diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c index c02d29c9dc05..1f59998e03f8 100644 --- a/drivers/irqchip/irq-imgpdc.c +++ b/drivers/irqchip/irq-imgpdc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IMG PowerDown Controller (PDC) * diff --git a/drivers/irqchip/irq-meson-gpio.c b/drivers/irqchip/irq-meson-gpio.c new file mode 100644 index 000000000000..a59bdbc0b9bb --- /dev/null +++ b/drivers/irqchip/irq-meson-gpio.c @@ -0,0 +1,419 @@ +/* + * Copyright (c) 2015 Endless Mobile, Inc. + * Author: Carlo Caione <carlo@endlessm.com> + * Copyright (c) 2016 BayLibre, SAS. + * Author: Jerome Brunet <jbrunet@baylibre.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + * The full GNU General Public License is included in this distribution + * in the file called COPYING. + */ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include <linux/io.h> +#include <linux/module.h> +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/irqchip.h> +#include <linux/of.h> +#include <linux/of_address.h> + +#define NUM_CHANNEL 8 +#define MAX_INPUT_MUX 256 + +#define REG_EDGE_POL 0x00 +#define REG_PIN_03_SEL 0x04 +#define REG_PIN_47_SEL 0x08 +#define REG_FILTER_SEL 0x0c + +#define REG_EDGE_POL_MASK(x) (BIT(x) | BIT(16 + (x))) +#define REG_EDGE_POL_EDGE(x) BIT(x) +#define REG_EDGE_POL_LOW(x) BIT(16 + (x)) +#define REG_PIN_SEL_SHIFT(x) (((x) % 4) * 8) +#define REG_FILTER_SEL_SHIFT(x) ((x) * 4) + +struct meson_gpio_irq_params { + unsigned int nr_hwirq; +}; + +static const struct meson_gpio_irq_params meson8_params = { + .nr_hwirq = 134, +}; + +static const struct meson_gpio_irq_params meson8b_params = { + .nr_hwirq = 119, +}; + +static const struct meson_gpio_irq_params gxbb_params = { + .nr_hwirq = 133, +}; + +static const struct meson_gpio_irq_params gxl_params = { + .nr_hwirq = 110, +}; + +static const struct of_device_id meson_irq_gpio_matches[] = { + { .compatible = "amlogic,meson8-gpio-intc", .data = &meson8_params }, + { .compatible = "amlogic,meson8b-gpio-intc", .data = &meson8b_params }, + { .compatible = "amlogic,meson-gxbb-gpio-intc", .data = &gxbb_params }, + { .compatible = "amlogic,meson-gxl-gpio-intc", .data = &gxl_params }, + { } +}; + +struct meson_gpio_irq_controller { + unsigned int nr_hwirq; + void __iomem *base; + u32 channel_irqs[NUM_CHANNEL]; + DECLARE_BITMAP(channel_map, NUM_CHANNEL); + spinlock_t lock; +}; + +static void meson_gpio_irq_update_bits(struct meson_gpio_irq_controller *ctl, + unsigned int reg, u32 mask, u32 val) +{ + u32 tmp; + + tmp = readl_relaxed(ctl->base + reg); + tmp &= ~mask; + tmp |= val; + writel_relaxed(tmp, ctl->base + reg); +} + +static unsigned int meson_gpio_irq_channel_to_reg(unsigned int channel) +{ + return (channel < 4) ? REG_PIN_03_SEL : REG_PIN_47_SEL; +} + +static int +meson_gpio_irq_request_channel(struct meson_gpio_irq_controller *ctl, + unsigned long hwirq, + u32 **channel_hwirq) +{ + unsigned int reg, idx; + + spin_lock(&ctl->lock); + + /* Find a free channel */ + idx = find_first_zero_bit(ctl->channel_map, NUM_CHANNEL); + if (idx >= NUM_CHANNEL) { + spin_unlock(&ctl->lock); + pr_err("No channel available\n"); + return -ENOSPC; + } + + /* Mark the channel as used */ + set_bit(idx, ctl->channel_map); + + /* + * Setup the mux of the channel to route the signal of the pad + * to the appropriate input of the GIC + */ + reg = meson_gpio_irq_channel_to_reg(idx); + meson_gpio_irq_update_bits(ctl, reg, + 0xff << REG_PIN_SEL_SHIFT(idx), + hwirq << REG_PIN_SEL_SHIFT(idx)); + + /* + * Get the hwirq number assigned to this channel through + * a pointer the channel_irq table. The added benifit of this + * method is that we can also retrieve the channel index with + * it, using the table base. + */ + *channel_hwirq = &(ctl->channel_irqs[idx]); + + spin_unlock(&ctl->lock); + + pr_debug("hwirq %lu assigned to channel %d - irq %u\n", + hwirq, idx, **channel_hwirq); + + return 0; +} + +static unsigned int +meson_gpio_irq_get_channel_idx(struct meson_gpio_irq_controller *ctl, + u32 *channel_hwirq) +{ + return channel_hwirq - ctl->channel_irqs; +} + +static void +meson_gpio_irq_release_channel(struct meson_gpio_irq_controller *ctl, + u32 *channel_hwirq) +{ + unsigned int idx; + + idx = meson_gpio_irq_get_channel_idx(ctl, channel_hwirq); + clear_bit(idx, ctl->channel_map); +} + +static int meson_gpio_irq_type_setup(struct meson_gpio_irq_controller *ctl, + unsigned int type, + u32 *channel_hwirq) +{ + u32 val = 0; + unsigned int idx; + + idx = meson_gpio_irq_get_channel_idx(ctl, channel_hwirq); + + /* + * The controller has a filter block to operate in either LEVEL or + * EDGE mode, then signal is sent to the GIC. To enable LEVEL_LOW and + * EDGE_FALLING support (which the GIC does not support), the filter + * block is also able to invert the input signal it gets before + * providing it to the GIC. + */ + type &= IRQ_TYPE_SENSE_MASK; + + if (type == IRQ_TYPE_EDGE_BOTH) + return -EINVAL; + + if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) + val |= REG_EDGE_POL_EDGE(idx); + + if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_EDGE_FALLING)) + val |= REG_EDGE_POL_LOW(idx); + + spin_lock(&ctl->lock); + + meson_gpio_irq_update_bits(ctl, REG_EDGE_POL, + REG_EDGE_POL_MASK(idx), val); + + spin_unlock(&ctl->lock); + + return 0; +} + +static unsigned int meson_gpio_irq_type_output(unsigned int type) +{ + unsigned int sense = type & IRQ_TYPE_SENSE_MASK; + + type &= ~IRQ_TYPE_SENSE_MASK; + + /* + * The polarity of the signal provided to the GIC should always + * be high. + */ + if (sense & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) + type |= IRQ_TYPE_LEVEL_HIGH; + else if (sense & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) + type |= IRQ_TYPE_EDGE_RISING; + + return type; +} + +static int meson_gpio_irq_set_type(struct irq_data *data, unsigned int type) +{ + struct meson_gpio_irq_controller *ctl = data->domain->host_data; + u32 *channel_hwirq = irq_data_get_irq_chip_data(data); + int ret; + + ret = meson_gpio_irq_type_setup(ctl, type, channel_hwirq); + if (ret) + return ret; + + return irq_chip_set_type_parent(data, + meson_gpio_irq_type_output(type)); +} + +static struct irq_chip meson_gpio_irq_chip = { + .name = "meson-gpio-irqchip", + .irq_mask = irq_chip_mask_parent, + .irq_unmask = irq_chip_unmask_parent, + .irq_eoi = irq_chip_eoi_parent, + .irq_set_type = meson_gpio_irq_set_type, + .irq_retrigger = irq_chip_retrigger_hierarchy, +#ifdef CONFIG_SMP + .irq_set_affinity = irq_chip_set_affinity_parent, +#endif + .flags = IRQCHIP_SET_TYPE_MASKED, +}; + +static int meson_gpio_irq_domain_translate(struct irq_domain *domain, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) +{ + if (is_of_node(fwspec->fwnode) && fwspec->param_count == 2) { + *hwirq = fwspec->param[0]; + *type = fwspec->param[1]; + return 0; + } + + return -EINVAL; +} + +static int meson_gpio_irq_allocate_gic_irq(struct irq_domain *domain, + unsigned int virq, + u32 hwirq, + unsigned int type) +{ + struct irq_fwspec fwspec; + + fwspec.fwnode = domain->parent->fwnode; + fwspec.param_count = 3; + fwspec.param[0] = 0; /* SPI */ + fwspec.param[1] = hwirq; + fwspec.param[2] = meson_gpio_irq_type_output(type); + + return irq_domain_alloc_irqs_parent(domain, virq, 1, &fwspec); +} + +static int meson_gpio_irq_domain_alloc(struct irq_domain *domain, + unsigned int virq, + unsigned int nr_irqs, + void *data) +{ + struct irq_fwspec *fwspec = data; + struct meson_gpio_irq_controller *ctl = domain->host_data; + unsigned long hwirq; + u32 *channel_hwirq; + unsigned int type; + int ret; + + if (WARN_ON(nr_irqs != 1)) + return -EINVAL; + + ret = meson_gpio_irq_domain_translate(domain, fwspec, &hwirq, &type); + if (ret) + return ret; + + ret = meson_gpio_irq_request_channel(ctl, hwirq, &channel_hwirq); + if (ret) + return ret; + + ret = meson_gpio_irq_allocate_gic_irq(domain, virq, + *channel_hwirq, type); + if (ret < 0) { + pr_err("failed to allocate gic irq %u\n", *channel_hwirq); + meson_gpio_irq_release_channel(ctl, channel_hwirq); + return ret; + } + + irq_domain_set_hwirq_and_chip(domain, virq, hwirq, + &meson_gpio_irq_chip, channel_hwirq); + + return 0; +} + +static void meson_gpio_irq_domain_free(struct irq_domain *domain, + unsigned int virq, + unsigned int nr_irqs) +{ + struct meson_gpio_irq_controller *ctl = domain->host_data; + struct irq_data *irq_data; + u32 *channel_hwirq; + + if (WARN_ON(nr_irqs != 1)) + return; + + irq_domain_free_irqs_parent(domain, virq, 1); + + irq_data = irq_domain_get_irq_data(domain, virq); + channel_hwirq = irq_data_get_irq_chip_data(irq_data); + + meson_gpio_irq_release_channel(ctl, channel_hwirq); +} + +static const struct irq_domain_ops meson_gpio_irq_domain_ops = { + .alloc = meson_gpio_irq_domain_alloc, + .free = meson_gpio_irq_domain_free, + .translate = meson_gpio_irq_domain_translate, +}; + +static int __init meson_gpio_irq_parse_dt(struct device_node *node, + struct meson_gpio_irq_controller *ctl) +{ + const struct of_device_id *match; + const struct meson_gpio_irq_params *params; + int ret; + + match = of_match_node(meson_irq_gpio_matches, node); + if (!match) + return -ENODEV; + + params = match->data; + ctl->nr_hwirq = params->nr_hwirq; + + ret = of_property_read_variable_u32_array(node, + "amlogic,channel-interrupts", + ctl->channel_irqs, + NUM_CHANNEL, + NUM_CHANNEL); + if (ret < 0) { + pr_err("can't get %d channel interrupts\n", NUM_CHANNEL); + return ret; + } + + return 0; +} + +static int __init meson_gpio_irq_of_init(struct device_node *node, + struct device_node *parent) +{ + struct irq_domain *domain, *parent_domain; + struct meson_gpio_irq_controller *ctl; + int ret; + + if (!parent) { + pr_err("missing parent interrupt node\n"); + return -ENODEV; + } + + parent_domain = irq_find_host(parent); + if (!parent_domain) { + pr_err("unable to obtain parent domain\n"); + return -ENXIO; + } + + ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); + if (!ctl) + return -ENOMEM; + + spin_lock_init(&ctl->lock); + + ctl->base = of_iomap(node, 0); + if (!ctl->base) { + ret = -ENOMEM; + goto free_ctl; + } + + ret = meson_gpio_irq_parse_dt(node, ctl); + if (ret) + goto free_channel_irqs; + + domain = irq_domain_create_hierarchy(parent_domain, 0, ctl->nr_hwirq, + of_node_to_fwnode(node), + &meson_gpio_irq_domain_ops, + ctl); + if (!domain) { + pr_err("failed to add domain\n"); + ret = -ENODEV; + goto free_channel_irqs; + } + + pr_info("%d to %d gpio interrupt mux initialized\n", + ctl->nr_hwirq, NUM_CHANNEL); + + return 0; + +free_channel_irqs: + iounmap(ctl->base); +free_ctl: + kfree(ctl); + + return ret; +} + +IRQCHIP_DECLARE(meson_gpio_intc, "amlogic,meson-gpio-intc", + meson_gpio_irq_of_init); diff --git a/drivers/irqchip/irq-metag-ext.c b/drivers/irqchip/irq-metag-ext.c index be7216bfb8dd..e67483161f0f 100644 --- a/drivers/irqchip/irq-metag-ext.c +++ b/drivers/irqchip/irq-metag-ext.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Meta External interrupt code. * diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c index a5f053bd2f44..857b946747eb 100644 --- a/drivers/irqchip/irq-metag.c +++ b/drivers/irqchip/irq-metag.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Meta internal (HWSTATMETA) interrupt code. * diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index c90976d7e53c..ef92a4d2038e 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -6,8 +6,12 @@ * Copyright (C) 2008 Ralf Baechle (ralf@linux-mips.org) * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. */ + +#define pr_fmt(fmt) "irq-mips-gic: " fmt + #include <linux/bitmap.h> #include <linux/clocksource.h> +#include <linux/cpuhotplug.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -48,12 +52,16 @@ static DEFINE_SPINLOCK(gic_lock); static struct irq_domain *gic_irq_domain; static struct irq_domain *gic_ipi_domain; static int gic_shared_intrs; -static int gic_vpes; static unsigned int gic_cpu_pin; static unsigned int timer_cpu_pin; static struct irq_chip gic_level_irq_controller, gic_edge_irq_controller; -DECLARE_BITMAP(ipi_resrv, GIC_MAX_INTRS); -DECLARE_BITMAP(ipi_available, GIC_MAX_INTRS); +static DECLARE_BITMAP(ipi_resrv, GIC_MAX_INTRS); +static DECLARE_BITMAP(ipi_available, GIC_MAX_INTRS); + +static struct gic_all_vpes_chip_data { + u32 map; + bool mask; +} gic_all_vpes_chip_data[GIC_NUM_LOCAL_INTRS]; static void gic_clear_pcpu_masks(unsigned int intr) { @@ -194,46 +202,46 @@ static void gic_ack_irq(struct irq_data *d) static int gic_set_type(struct irq_data *d, unsigned int type) { - unsigned int irq = GIC_HWIRQ_TO_SHARED(d->hwirq); + unsigned int irq, pol, trig, dual; unsigned long flags; - bool is_edge; + + irq = GIC_HWIRQ_TO_SHARED(d->hwirq); spin_lock_irqsave(&gic_lock, flags); switch (type & IRQ_TYPE_SENSE_MASK) { case IRQ_TYPE_EDGE_FALLING: - change_gic_pol(irq, GIC_POL_FALLING_EDGE); - change_gic_trig(irq, GIC_TRIG_EDGE); - change_gic_dual(irq, GIC_DUAL_SINGLE); - is_edge = true; + pol = GIC_POL_FALLING_EDGE; + trig = GIC_TRIG_EDGE; + dual = GIC_DUAL_SINGLE; break; case IRQ_TYPE_EDGE_RISING: - change_gic_pol(irq, GIC_POL_RISING_EDGE); - change_gic_trig(irq, GIC_TRIG_EDGE); - change_gic_dual(irq, GIC_DUAL_SINGLE); - is_edge = true; + pol = GIC_POL_RISING_EDGE; + trig = GIC_TRIG_EDGE; + dual = GIC_DUAL_SINGLE; break; case IRQ_TYPE_EDGE_BOTH: - /* polarity is irrelevant in this case */ - change_gic_trig(irq, GIC_TRIG_EDGE); - change_gic_dual(irq, GIC_DUAL_DUAL); - is_edge = true; + pol = 0; /* Doesn't matter */ + trig = GIC_TRIG_EDGE; + dual = GIC_DUAL_DUAL; break; case IRQ_TYPE_LEVEL_LOW: - change_gic_pol(irq, GIC_POL_ACTIVE_LOW); - change_gic_trig(irq, GIC_TRIG_LEVEL); - change_gic_dual(irq, GIC_DUAL_SINGLE); - is_edge = false; + pol = GIC_POL_ACTIVE_LOW; + trig = GIC_TRIG_LEVEL; + dual = GIC_DUAL_SINGLE; break; case IRQ_TYPE_LEVEL_HIGH: default: - change_gic_pol(irq, GIC_POL_ACTIVE_HIGH); - change_gic_trig(irq, GIC_TRIG_LEVEL); - change_gic_dual(irq, GIC_DUAL_SINGLE); - is_edge = false; + pol = GIC_POL_ACTIVE_HIGH; + trig = GIC_TRIG_LEVEL; + dual = GIC_DUAL_SINGLE; break; } - if (is_edge) + change_gic_pol(irq, pol); + change_gic_trig(irq, trig); + change_gic_dual(irq, dual); + + if (trig == GIC_TRIG_EDGE) irq_set_chip_handler_name_locked(d, &gic_edge_irq_controller, handle_edge_irq, NULL); else @@ -338,13 +346,17 @@ static struct irq_chip gic_local_irq_controller = { static void gic_mask_local_irq_all_vpes(struct irq_data *d) { - int intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); - int i; + struct gic_all_vpes_chip_data *cd; unsigned long flags; + int intr, cpu; + + intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); + cd = irq_data_get_irq_chip_data(d); + cd->mask = false; spin_lock_irqsave(&gic_lock, flags); - for (i = 0; i < gic_vpes; i++) { - write_gic_vl_other(mips_cm_vp_id(i)); + for_each_online_cpu(cpu) { + write_gic_vl_other(mips_cm_vp_id(cpu)); write_gic_vo_rmask(BIT(intr)); } spin_unlock_irqrestore(&gic_lock, flags); @@ -352,22 +364,40 @@ static void gic_mask_local_irq_all_vpes(struct irq_data *d) static void gic_unmask_local_irq_all_vpes(struct irq_data *d) { - int intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); - int i; + struct gic_all_vpes_chip_data *cd; unsigned long flags; + int intr, cpu; + + intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); + cd = irq_data_get_irq_chip_data(d); + cd->mask = true; spin_lock_irqsave(&gic_lock, flags); - for (i = 0; i < gic_vpes; i++) { - write_gic_vl_other(mips_cm_vp_id(i)); + for_each_online_cpu(cpu) { + write_gic_vl_other(mips_cm_vp_id(cpu)); write_gic_vo_smask(BIT(intr)); } spin_unlock_irqrestore(&gic_lock, flags); } +static void gic_all_vpes_irq_cpu_online(struct irq_data *d) +{ + struct gic_all_vpes_chip_data *cd; + unsigned int intr; + + intr = GIC_HWIRQ_TO_LOCAL(d->hwirq); + cd = irq_data_get_irq_chip_data(d); + + write_gic_vl_map(intr, cd->map); + if (cd->mask) + write_gic_vl_smask(BIT(intr)); +} + static struct irq_chip gic_all_vpes_local_irq_controller = { - .name = "MIPS GIC Local", - .irq_mask = gic_mask_local_irq_all_vpes, - .irq_unmask = gic_unmask_local_irq_all_vpes, + .name = "MIPS GIC Local", + .irq_mask = gic_mask_local_irq_all_vpes, + .irq_unmask = gic_unmask_local_irq_all_vpes, + .irq_cpu_online = gic_all_vpes_irq_cpu_online, }; static void __gic_irq_dispatch(void) @@ -382,39 +412,6 @@ static void gic_irq_dispatch(struct irq_desc *desc) gic_handle_shared_int(true); } -static int gic_local_irq_domain_map(struct irq_domain *d, unsigned int virq, - irq_hw_number_t hw) -{ - int intr = GIC_HWIRQ_TO_LOCAL(hw); - int i; - unsigned long flags; - u32 val; - - if (!gic_local_irq_is_routable(intr)) - return -EPERM; - - if (intr > GIC_LOCAL_INT_FDC) { - pr_err("Invalid local IRQ %d\n", intr); - return -EINVAL; - } - - if (intr == GIC_LOCAL_INT_TIMER) { - /* CONFIG_MIPS_CMP workaround (see __gic_init) */ - val = GIC_MAP_PIN_MAP_TO_PIN | timer_cpu_pin; - } else { - val = GIC_MAP_PIN_MAP_TO_PIN | gic_cpu_pin; - } - - spin_lock_irqsave(&gic_lock, flags); - for (i = 0; i < gic_vpes; i++) { - write_gic_vl_other(mips_cm_vp_id(i)); - write_gic_vo_map(intr, val); - } - spin_unlock_irqrestore(&gic_lock, flags); - - return 0; -} - static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hw, unsigned int cpu) { @@ -457,7 +454,11 @@ static int gic_irq_domain_xlate(struct irq_domain *d, struct device_node *ctrlr, static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hwirq) { - int err; + struct gic_all_vpes_chip_data *cd; + unsigned long flags; + unsigned int intr; + int err, cpu; + u32 map; if (hwirq >= GIC_SHARED_HWIRQ_BASE) { /* verify that shared irqs don't conflict with an IPI irq */ @@ -474,8 +475,14 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, return gic_shared_irq_domain_map(d, virq, hwirq, 0); } - switch (GIC_HWIRQ_TO_LOCAL(hwirq)) { + intr = GIC_HWIRQ_TO_LOCAL(hwirq); + map = GIC_MAP_PIN_MAP_TO_PIN | gic_cpu_pin; + + switch (intr) { case GIC_LOCAL_INT_TIMER: + /* CONFIG_MIPS_CMP workaround (see __gic_init) */ + map = GIC_MAP_PIN_MAP_TO_PIN | timer_cpu_pin; + /* fall-through */ case GIC_LOCAL_INT_PERFCTR: case GIC_LOCAL_INT_FDC: /* @@ -483,9 +490,11 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, * the rest of the MIPS kernel code does not use the * percpu IRQ API for them. */ + cd = &gic_all_vpes_chip_data[intr]; + cd->map = map; err = irq_domain_set_hwirq_and_chip(d, virq, hwirq, &gic_all_vpes_local_irq_controller, - NULL); + cd); if (err) return err; @@ -504,7 +513,17 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, break; } - return gic_local_irq_domain_map(d, virq, hwirq); + if (!gic_local_irq_is_routable(intr)) + return -EPERM; + + spin_lock_irqsave(&gic_lock, flags); + for_each_online_cpu(cpu) { + write_gic_vl_other(mips_cm_vp_id(cpu)); + write_gic_vo_map(intr, map); + } + spin_unlock_irqrestore(&gic_lock, flags); + + return 0; } static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, @@ -636,11 +655,25 @@ static const struct irq_domain_ops gic_ipi_domain_ops = { .match = gic_ipi_domain_match, }; +static int gic_cpu_startup(unsigned int cpu) +{ + /* Enable or disable EIC */ + change_gic_vl_ctl(GIC_VX_CTL_EIC, + cpu_has_veic ? GIC_VX_CTL_EIC : 0); + + /* Clear all local IRQ masks (ie. disable all local interrupts) */ + write_gic_vl_rmask(~0); + + /* Invoke irq_cpu_online callbacks to enable desired interrupts */ + irq_cpu_online(); + + return 0; +} static int __init gic_of_init(struct device_node *node, struct device_node *parent) { - unsigned int cpu_vec, i, j, gicconfig, cpu, v[2]; + unsigned int cpu_vec, i, gicconfig, v[2], num_ipis; unsigned long reserved; phys_addr_t gic_base; struct resource res; @@ -655,7 +688,7 @@ static int __init gic_of_init(struct device_node *node, cpu_vec = find_first_zero_bit(&reserved, hweight_long(ST0_IM)); if (cpu_vec == hweight_long(ST0_IM)) { - pr_err("No CPU vectors available for GIC\n"); + pr_err("No CPU vectors available\n"); return -ENODEV; } @@ -668,8 +701,10 @@ static int __init gic_of_init(struct device_node *node, gic_base = read_gcr_gic_base() & ~CM_GCR_GIC_BASE_GICEN; gic_len = 0x20000; + pr_warn("Using inherited base address %pa\n", + &gic_base); } else { - pr_err("Failed to get GIC memory range\n"); + pr_err("Failed to get memory range\n"); return -ENODEV; } } else { @@ -690,17 +725,7 @@ static int __init gic_of_init(struct device_node *node, gic_shared_intrs >>= __ffs(GIC_CONFIG_NUMINTERRUPTS); gic_shared_intrs = (gic_shared_intrs + 1) * 8; - gic_vpes = gicconfig & GIC_CONFIG_PVPS; - gic_vpes >>= __ffs(GIC_CONFIG_PVPS); - gic_vpes = gic_vpes + 1; - if (cpu_has_veic) { - /* Set EIC mode for all VPEs */ - for_each_present_cpu(cpu) { - write_gic_vl_other(mips_cm_vp_id(cpu)); - write_gic_vo_ctl(GIC_VX_CTL_EIC); - } - /* Always use vector 1 in EIC mode */ gic_cpu_pin = 0; timer_cpu_pin = gic_cpu_pin; @@ -737,7 +762,7 @@ static int __init gic_of_init(struct device_node *node, gic_shared_intrs, 0, &gic_irq_domain_ops, NULL); if (!gic_irq_domain) { - pr_err("Failed to add GIC IRQ domain"); + pr_err("Failed to add IRQ domain"); return -ENXIO; } @@ -746,7 +771,7 @@ static int __init gic_of_init(struct device_node *node, GIC_NUM_LOCAL_INTRS + gic_shared_intrs, node, &gic_ipi_domain_ops, NULL); if (!gic_ipi_domain) { - pr_err("Failed to add GIC IPI domain"); + pr_err("Failed to add IPI domain"); return -ENXIO; } @@ -756,10 +781,12 @@ static int __init gic_of_init(struct device_node *node, !of_property_read_u32_array(node, "mti,reserved-ipi-vectors", v, 2)) { bitmap_set(ipi_resrv, v[0], v[1]); } else { - /* Make the last 2 * gic_vpes available for IPIs */ - bitmap_set(ipi_resrv, - gic_shared_intrs - 2 * gic_vpes, - 2 * gic_vpes); + /* + * Reserve 2 interrupts per possible CPU/VP for use as IPIs, + * meeting the requirements of arch/mips SMP. + */ + num_ipis = 2 * num_possible_cpus(); + bitmap_set(ipi_resrv, gic_shared_intrs - num_ipis, num_ipis); } bitmap_copy(ipi_available, ipi_resrv, GIC_MAX_INTRS); @@ -773,15 +800,8 @@ static int __init gic_of_init(struct device_node *node, write_gic_rmask(i); } - for (i = 0; i < gic_vpes; i++) { - write_gic_vl_other(mips_cm_vp_id(i)); - for (j = 0; j < GIC_NUM_LOCAL_INTRS; j++) { - if (!gic_local_irq_is_routable(j)) - continue; - write_gic_vo_rmask(BIT(j)); - } - } - - return 0; + return cpuhp_setup_state(CPUHP_AP_IRQ_MIPS_GIC_STARTING, + "irqchip/mips/gic:starting", + gic_cpu_startup, NULL); } IRQCHIP_DECLARE(mips_gic, "mti,gic", gic_of_init); diff --git a/drivers/irqchip/irq-mvebu-gicp.c b/drivers/irqchip/irq-mvebu-gicp.c index b283fc90be1e..17a4a7b6cdbb 100644 --- a/drivers/irqchip/irq-mvebu-gicp.c +++ b/drivers/irqchip/irq-mvebu-gicp.c @@ -194,6 +194,7 @@ static int mvebu_gicp_probe(struct platform_device *pdev) return -ENOMEM; gicp->dev = &pdev->dev; + spin_lock_init(&gicp->spi_lock); gicp->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!gicp->res) diff --git a/drivers/irqchip/irq-mvebu-gicp.h b/drivers/irqchip/irq-mvebu-gicp.h index 98535e886ea5..eaa12fb72102 100644 --- a/drivers/irqchip/irq-mvebu-gicp.h +++ b/drivers/irqchip/irq-mvebu-gicp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MVEBU_GICP_H__ #define __MVEBU_GICP_H__ diff --git a/drivers/irqchip/irq-omap-intc.c b/drivers/irqchip/irq-omap-intc.c index b04a8ac6e744..d360a6eddd6d 100644 --- a/drivers/irqchip/irq-omap-intc.c +++ b/drivers/irqchip/irq-omap-intc.c @@ -25,10 +25,6 @@ #include <linux/irqchip/irq-omap-intc.h> -/* Define these here for now until we drop all board-files */ -#define OMAP24XX_IC_BASE 0x480fe000 -#define OMAP34XX_IC_BASE 0x48200000 - /* selected INTC register offsets */ #define INTC_REVISION 0x0000 @@ -70,8 +66,8 @@ static struct omap_intc_regs intc_context; static struct irq_domain *domain; static void __iomem *omap_irq_base; -static int omap_nr_pending = 3; -static int omap_nr_irqs = 96; +static int omap_nr_pending; +static int omap_nr_irqs; static void intc_writel(u32 reg, u32 val) { @@ -364,14 +360,6 @@ omap_intc_handle_irq(struct pt_regs *regs) handle_domain_irq(domain, irqnr, regs); } -void __init omap3_init_irq(void) -{ - omap_nr_irqs = 96; - omap_nr_pending = 3; - omap_init_irq(OMAP34XX_IC_BASE, NULL); - set_handle_irq(omap_intc_handle_irq); -} - static int __init intc_of_init(struct device_node *node, struct device_node *parent) { diff --git a/drivers/irqchip/irq-ompic.c b/drivers/irqchip/irq-ompic.c new file mode 100644 index 000000000000..cf6d0c455518 --- /dev/null +++ b/drivers/irqchip/irq-ompic.c @@ -0,0 +1,202 @@ +/* + * Open Multi-Processor Interrupt Controller driver + * + * Copyright (C) 2014 Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> + * Copyright (C) 2017 Stafford Horne <shorne@gmail.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + * + * The ompic device handles IPI communication between cores in multi-core + * OpenRISC systems. + * + * Registers + * + * For each CPU the ompic has 2 registers. The control register for sending + * and acking IPIs and the status register for receiving IPIs. The register + * layouts are as follows: + * + * Control register + * +---------+---------+----------+---------+ + * | 31 | 30 | 29 .. 16 | 15 .. 0 | + * ----------+---------+----------+---------- + * | IRQ ACK | IRQ GEN | DST CORE | DATA | + * +---------+---------+----------+---------+ + * + * Status register + * +----------+-------------+----------+---------+ + * | 31 | 30 | 29 .. 16 | 15 .. 0 | + * -----------+-------------+----------+---------+ + * | Reserved | IRQ Pending | SRC CORE | DATA | + * +----------+-------------+----------+---------+ + * + * Architecture + * + * - The ompic generates a level interrupt to the CPU PIC when a message is + * ready. Messages are delivered via the memory bus. + * - The ompic does not have any interrupt input lines. + * - The ompic is wired to the same irq line on each core. + * - Devices are wired to the same irq line on each core. + * + * +---------+ +---------+ + * | CPU | | CPU | + * | Core 0 |<==\ (memory access) /==>| Core 1 | + * | [ PIC ]| | | | [ PIC ]| + * +----^-^--+ | | +----^-^--+ + * | | v v | | + * <====|=|=================================|=|==> (memory bus) + * | | ^ ^ | | + * (ipi | +------|---------+--------|-------|-+ (device irq) + * irq | | | | | + * core0)| +------|---------|--------|-------+ (ipi irq core1) + * | | | | | + * +----o-o-+ | +--------+ | + * | ompic |<===/ | Device |<===/ + * | IPI | +--------+ + * +--------+* + * + */ + +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/interrupt.h> +#include <linux/smp.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/of_address.h> + +#include <linux/irqchip.h> + +#define OMPIC_CPUBYTES 8 +#define OMPIC_CTRL(cpu) (0x0 + (cpu * OMPIC_CPUBYTES)) +#define OMPIC_STAT(cpu) (0x4 + (cpu * OMPIC_CPUBYTES)) + +#define OMPIC_CTRL_IRQ_ACK (1 << 31) +#define OMPIC_CTRL_IRQ_GEN (1 << 30) +#define OMPIC_CTRL_DST(cpu) (((cpu) & 0x3fff) << 16) + +#define OMPIC_STAT_IRQ_PENDING (1 << 30) + +#define OMPIC_DATA(x) ((x) & 0xffff) + +DEFINE_PER_CPU(unsigned long, ops); + +static void __iomem *ompic_base; + +static inline u32 ompic_readreg(void __iomem *base, loff_t offset) +{ + return ioread32be(base + offset); +} + +static void ompic_writereg(void __iomem *base, loff_t offset, u32 data) +{ + iowrite32be(data, base + offset); +} + +static void ompic_raise_softirq(const struct cpumask *mask, + unsigned int ipi_msg) +{ + unsigned int dst_cpu; + unsigned int src_cpu = smp_processor_id(); + + for_each_cpu(dst_cpu, mask) { + set_bit(ipi_msg, &per_cpu(ops, dst_cpu)); + + /* + * On OpenRISC the atomic set_bit() call implies a memory + * barrier. Otherwise we would need: smp_wmb(); paired + * with the read in ompic_ipi_handler. + */ + + ompic_writereg(ompic_base, OMPIC_CTRL(src_cpu), + OMPIC_CTRL_IRQ_GEN | + OMPIC_CTRL_DST(dst_cpu) | + OMPIC_DATA(1)); + } +} + +static irqreturn_t ompic_ipi_handler(int irq, void *dev_id) +{ + unsigned int cpu = smp_processor_id(); + unsigned long *pending_ops = &per_cpu(ops, cpu); + unsigned long ops; + + ompic_writereg(ompic_base, OMPIC_CTRL(cpu), OMPIC_CTRL_IRQ_ACK); + while ((ops = xchg(pending_ops, 0)) != 0) { + + /* + * On OpenRISC the atomic xchg() call implies a memory + * barrier. Otherwise we may need an smp_rmb(); paired + * with the write in ompic_raise_softirq. + */ + + do { + unsigned long ipi_msg; + + ipi_msg = __ffs(ops); + ops &= ~(1UL << ipi_msg); + + handle_IPI(ipi_msg); + } while (ops); + } + + return IRQ_HANDLED; +} + +static int __init ompic_of_init(struct device_node *node, + struct device_node *parent) +{ + struct resource res; + int irq; + int ret; + + /* Validate the DT */ + if (ompic_base) { + pr_err("ompic: duplicate ompic's are not supported"); + return -EEXIST; + } + + if (of_address_to_resource(node, 0, &res)) { + pr_err("ompic: reg property requires an address and size"); + return -EINVAL; + } + + if (resource_size(&res) < (num_possible_cpus() * OMPIC_CPUBYTES)) { + pr_err("ompic: reg size, currently %d must be at least %d", + resource_size(&res), + (num_possible_cpus() * OMPIC_CPUBYTES)); + return -EINVAL; + } + + /* Setup the device */ + ompic_base = ioremap(res.start, resource_size(&res)); + if (IS_ERR(ompic_base)) { + pr_err("ompic: unable to map registers"); + return PTR_ERR(ompic_base); + } + + irq = irq_of_parse_and_map(node, 0); + if (irq <= 0) { + pr_err("ompic: unable to parse device irq"); + ret = -EINVAL; + goto out_unmap; + } + + ret = request_irq(irq, ompic_ipi_handler, IRQF_PERCPU, + "ompic_ipi", NULL); + if (ret) + goto out_irq_disp; + + set_smp_cross_call(ompic_raise_softirq); + + return 0; + +out_irq_disp: + irq_dispose_mapping(irq); +out_unmap: + iounmap(ompic_base); + ompic_base = NULL; + return ret; +} +IRQCHIP_DECLARE(ompic, "openrisc,ompic", ompic_of_init); diff --git a/drivers/irqchip/irq-renesas-h8300h.c b/drivers/irqchip/irq-renesas-h8300h.c index b8327590ae52..1054d74b7edd 100644 --- a/drivers/irqchip/irq-renesas-h8300h.c +++ b/drivers/irqchip/irq-renesas-h8300h.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * H8/300H interrupt controller driver * diff --git a/drivers/irqchip/irq-renesas-h8s.c b/drivers/irqchip/irq-renesas-h8s.c index 71d8139be26c..aed31afb0216 100644 --- a/drivers/irqchip/irq-renesas-h8s.c +++ b/drivers/irqchip/irq-renesas-h8s.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * H8S interrupt contoller driver * diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index 713177d97c7a..06f29cf5018a 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -389,9 +389,8 @@ MODULE_DEVICE_TABLE(of, intc_irqpin_dt_ids); static int intc_irqpin_probe(struct platform_device *pdev) { - const struct intc_irqpin_config *config = NULL; + const struct intc_irqpin_config *config; struct device *dev = &pdev->dev; - const struct of_device_id *of_id; struct intc_irqpin_priv *p; struct intc_irqpin_iomem *i; struct resource *io[INTC_IRQPIN_REG_NR]; @@ -422,11 +421,9 @@ static int intc_irqpin_probe(struct platform_device *pdev) p->pdev = pdev; platform_set_drvdata(pdev, p); - of_id = of_match_device(intc_irqpin_dt_ids, dev); - if (of_id && of_id->data) { - config = of_id->data; + config = of_device_get_match_data(dev); + if (config) p->needs_clk = config->needs_clk; - } p->clk = devm_clk_get(dev, NULL); if (IS_ERR(p->clk)) { diff --git a/drivers/irqchip/irq-sni-exiu.c b/drivers/irqchip/irq-sni-exiu.c new file mode 100644 index 000000000000..1b6e2f7c59af --- /dev/null +++ b/drivers/irqchip/irq-sni-exiu.c @@ -0,0 +1,227 @@ +/* + * Driver for Socionext External Interrupt Unit (EXIU) + * + * Copyright (c) 2017 Linaro, Ltd. <ard.biesheuvel@linaro.org> + * + * Based on irq-tegra.c: + * Copyright (C) 2011 Google, Inc. + * Copyright (C) 2010,2013, NVIDIA Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqdomain.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> + +#include <dt-bindings/interrupt-controller/arm-gic.h> + +#define NUM_IRQS 32 + +#define EIMASK 0x00 +#define EISRCSEL 0x04 +#define EIREQSTA 0x08 +#define EIRAWREQSTA 0x0C +#define EIREQCLR 0x10 +#define EILVL 0x14 +#define EIEDG 0x18 +#define EISIR 0x1C + +struct exiu_irq_data { + void __iomem *base; + u32 spi_base; +}; + +static void exiu_irq_eoi(struct irq_data *d) +{ + struct exiu_irq_data *data = irq_data_get_irq_chip_data(d); + + writel(BIT(d->hwirq), data->base + EIREQCLR); + irq_chip_eoi_parent(d); +} + +static void exiu_irq_mask(struct irq_data *d) +{ + struct exiu_irq_data *data = irq_data_get_irq_chip_data(d); + u32 val; + + val = readl_relaxed(data->base + EIMASK) | BIT(d->hwirq); + writel_relaxed(val, data->base + EIMASK); + irq_chip_mask_parent(d); +} + +static void exiu_irq_unmask(struct irq_data *d) +{ + struct exiu_irq_data *data = irq_data_get_irq_chip_data(d); + u32 val; + + val = readl_relaxed(data->base + EIMASK) & ~BIT(d->hwirq); + writel_relaxed(val, data->base + EIMASK); + irq_chip_unmask_parent(d); +} + +static void exiu_irq_enable(struct irq_data *d) +{ + struct exiu_irq_data *data = irq_data_get_irq_chip_data(d); + u32 val; + + /* clear interrupts that were latched while disabled */ + writel_relaxed(BIT(d->hwirq), data->base + EIREQCLR); + + val = readl_relaxed(data->base + EIMASK) & ~BIT(d->hwirq); + writel_relaxed(val, data->base + EIMASK); + irq_chip_enable_parent(d); +} + +static int exiu_irq_set_type(struct irq_data *d, unsigned int type) +{ + struct exiu_irq_data *data = irq_data_get_irq_chip_data(d); + u32 val; + + val = readl_relaxed(data->base + EILVL); + if (type == IRQ_TYPE_EDGE_RISING || type == IRQ_TYPE_LEVEL_HIGH) + val |= BIT(d->hwirq); + else + val &= ~BIT(d->hwirq); + writel_relaxed(val, data->base + EILVL); + + val = readl_relaxed(data->base + EIEDG); + if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_LEVEL_HIGH) + val &= ~BIT(d->hwirq); + else + val |= BIT(d->hwirq); + writel_relaxed(val, data->base + EIEDG); + + writel_relaxed(BIT(d->hwirq), data->base + EIREQCLR); + + return irq_chip_set_type_parent(d, IRQ_TYPE_LEVEL_HIGH); +} + +static struct irq_chip exiu_irq_chip = { + .name = "EXIU", + .irq_eoi = exiu_irq_eoi, + .irq_enable = exiu_irq_enable, + .irq_mask = exiu_irq_mask, + .irq_unmask = exiu_irq_unmask, + .irq_set_type = exiu_irq_set_type, + .irq_set_affinity = irq_chip_set_affinity_parent, + .flags = IRQCHIP_SET_TYPE_MASKED | + IRQCHIP_SKIP_SET_WAKE | + IRQCHIP_EOI_THREADED | + IRQCHIP_MASK_ON_SUSPEND, +}; + +static int exiu_domain_translate(struct irq_domain *domain, + struct irq_fwspec *fwspec, + unsigned long *hwirq, + unsigned int *type) +{ + struct exiu_irq_data *info = domain->host_data; + + if (is_of_node(fwspec->fwnode)) { + if (fwspec->param_count != 3) + return -EINVAL; + + if (fwspec->param[0] != GIC_SPI) + return -EINVAL; /* No PPI should point to this domain */ + + *hwirq = fwspec->param[1] - info->spi_base; + *type = fwspec->param[2] & IRQ_TYPE_SENSE_MASK; + return 0; + } + return -EINVAL; +} + +static int exiu_domain_alloc(struct irq_domain *dom, unsigned int virq, + unsigned int nr_irqs, void *data) +{ + struct irq_fwspec *fwspec = data; + struct irq_fwspec parent_fwspec; + struct exiu_irq_data *info = dom->host_data; + irq_hw_number_t hwirq; + + if (fwspec->param_count != 3) + return -EINVAL; /* Not GIC compliant */ + if (fwspec->param[0] != GIC_SPI) + return -EINVAL; /* No PPI should point to this domain */ + + WARN_ON(nr_irqs != 1); + hwirq = fwspec->param[1] - info->spi_base; + irq_domain_set_hwirq_and_chip(dom, virq, hwirq, &exiu_irq_chip, info); + + parent_fwspec = *fwspec; + parent_fwspec.fwnode = dom->parent->fwnode; + return irq_domain_alloc_irqs_parent(dom, virq, nr_irqs, &parent_fwspec); +} + +static const struct irq_domain_ops exiu_domain_ops = { + .translate = exiu_domain_translate, + .alloc = exiu_domain_alloc, + .free = irq_domain_free_irqs_common, +}; + +static int __init exiu_init(struct device_node *node, + struct device_node *parent) +{ + struct irq_domain *parent_domain, *domain; + struct exiu_irq_data *data; + int err; + + if (!parent) { + pr_err("%pOF: no parent, giving up\n", node); + return -ENODEV; + } + + parent_domain = irq_find_host(parent); + if (!parent_domain) { + pr_err("%pOF: unable to obtain parent domain\n", node); + return -ENXIO; + } + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + if (of_property_read_u32(node, "socionext,spi-base", &data->spi_base)) { + pr_err("%pOF: failed to parse 'spi-base' property\n", node); + err = -ENODEV; + goto out_free; + } + + data->base = of_iomap(node, 0); + if (IS_ERR(data->base)) { + err = PTR_ERR(data->base); + goto out_free; + } + + /* clear and mask all interrupts */ + writel_relaxed(0xFFFFFFFF, data->base + EIREQCLR); + writel_relaxed(0xFFFFFFFF, data->base + EIMASK); + + domain = irq_domain_add_hierarchy(parent_domain, 0, NUM_IRQS, node, + &exiu_domain_ops, data); + if (!domain) { + pr_err("%pOF: failed to allocate domain\n", node); + err = -ENOMEM; + goto out_unmap; + } + + pr_info("%pOF: %d interrupts forwarded to %pOF\n", node, NUM_IRQS, + parent); + + return 0; + +out_unmap: + iounmap(data->base); +out_free: + kfree(data); + return err; +} +IRQCHIP_DECLARE(exiu, "socionext,synquacer-exiu", exiu_init); diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c index 45363ff8d06f..31ab0dee2ce7 100644 --- a/drivers/irqchip/irq-stm32-exti.c +++ b/drivers/irqchip/irq-stm32-exti.c @@ -14,27 +14,99 @@ #include <linux/of_address.h> #include <linux/of_irq.h> -#define EXTI_IMR 0x0 -#define EXTI_EMR 0x4 -#define EXTI_RTSR 0x8 -#define EXTI_FTSR 0xc -#define EXTI_SWIER 0x10 -#define EXTI_PR 0x14 +#define IRQS_PER_BANK 32 + +struct stm32_exti_bank { + u32 imr_ofst; + u32 emr_ofst; + u32 rtsr_ofst; + u32 ftsr_ofst; + u32 swier_ofst; + u32 pr_ofst; +}; + +static const struct stm32_exti_bank stm32f4xx_exti_b1 = { + .imr_ofst = 0x00, + .emr_ofst = 0x04, + .rtsr_ofst = 0x08, + .ftsr_ofst = 0x0C, + .swier_ofst = 0x10, + .pr_ofst = 0x14, +}; + +static const struct stm32_exti_bank *stm32f4xx_exti_banks[] = { + &stm32f4xx_exti_b1, +}; + +static const struct stm32_exti_bank stm32h7xx_exti_b1 = { + .imr_ofst = 0x80, + .emr_ofst = 0x84, + .rtsr_ofst = 0x00, + .ftsr_ofst = 0x04, + .swier_ofst = 0x08, + .pr_ofst = 0x88, +}; + +static const struct stm32_exti_bank stm32h7xx_exti_b2 = { + .imr_ofst = 0x90, + .emr_ofst = 0x94, + .rtsr_ofst = 0x20, + .ftsr_ofst = 0x24, + .swier_ofst = 0x28, + .pr_ofst = 0x98, +}; + +static const struct stm32_exti_bank stm32h7xx_exti_b3 = { + .imr_ofst = 0xA0, + .emr_ofst = 0xA4, + .rtsr_ofst = 0x40, + .ftsr_ofst = 0x44, + .swier_ofst = 0x48, + .pr_ofst = 0xA8, +}; + +static const struct stm32_exti_bank *stm32h7xx_exti_banks[] = { + &stm32h7xx_exti_b1, + &stm32h7xx_exti_b2, + &stm32h7xx_exti_b3, +}; + +static unsigned long stm32_exti_pending(struct irq_chip_generic *gc) +{ + const struct stm32_exti_bank *stm32_bank = gc->private; + + return irq_reg_readl(gc, stm32_bank->pr_ofst); +} + +static void stm32_exti_irq_ack(struct irq_chip_generic *gc, u32 mask) +{ + const struct stm32_exti_bank *stm32_bank = gc->private; + + irq_reg_writel(gc, mask, stm32_bank->pr_ofst); +} static void stm32_irq_handler(struct irq_desc *desc) { struct irq_domain *domain = irq_desc_get_handler_data(desc); - struct irq_chip_generic *gc = domain->gc->gc[0]; struct irq_chip *chip = irq_desc_get_chip(desc); + unsigned int virq, nbanks = domain->gc->num_chips; + struct irq_chip_generic *gc; + const struct stm32_exti_bank *stm32_bank; unsigned long pending; - int n; + int n, i, irq_base = 0; chained_irq_enter(chip, desc); - while ((pending = irq_reg_readl(gc, EXTI_PR))) { - for_each_set_bit(n, &pending, BITS_PER_LONG) { - generic_handle_irq(irq_find_mapping(domain, n)); - irq_reg_writel(gc, BIT(n), EXTI_PR); + for (i = 0; i < nbanks; i++, irq_base += IRQS_PER_BANK) { + gc = irq_get_domain_generic_chip(domain, irq_base); + stm32_bank = gc->private; + + while ((pending = stm32_exti_pending(gc))) { + for_each_set_bit(n, &pending, IRQS_PER_BANK) { + virq = irq_find_mapping(domain, irq_base + n); + generic_handle_irq(virq); + stm32_exti_irq_ack(gc, BIT(n)); + } } } @@ -44,13 +116,14 @@ static void stm32_irq_handler(struct irq_desc *desc) static int stm32_irq_set_type(struct irq_data *data, unsigned int type) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data); - int pin = data->hwirq; + const struct stm32_exti_bank *stm32_bank = gc->private; + int pin = data->hwirq % IRQS_PER_BANK; u32 rtsr, ftsr; irq_gc_lock(gc); - rtsr = irq_reg_readl(gc, EXTI_RTSR); - ftsr = irq_reg_readl(gc, EXTI_FTSR); + rtsr = irq_reg_readl(gc, stm32_bank->rtsr_ofst); + ftsr = irq_reg_readl(gc, stm32_bank->ftsr_ofst); switch (type) { case IRQ_TYPE_EDGE_RISING: @@ -70,8 +143,8 @@ static int stm32_irq_set_type(struct irq_data *data, unsigned int type) return -EINVAL; } - irq_reg_writel(gc, rtsr, EXTI_RTSR); - irq_reg_writel(gc, ftsr, EXTI_FTSR); + irq_reg_writel(gc, rtsr, stm32_bank->rtsr_ofst); + irq_reg_writel(gc, ftsr, stm32_bank->ftsr_ofst); irq_gc_unlock(gc); @@ -81,17 +154,18 @@ static int stm32_irq_set_type(struct irq_data *data, unsigned int type) static int stm32_irq_set_wake(struct irq_data *data, unsigned int on) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data); - int pin = data->hwirq; - u32 emr; + const struct stm32_exti_bank *stm32_bank = gc->private; + int pin = data->hwirq % IRQS_PER_BANK; + u32 imr; irq_gc_lock(gc); - emr = irq_reg_readl(gc, EXTI_EMR); + imr = irq_reg_readl(gc, stm32_bank->imr_ofst); if (on) - emr |= BIT(pin); + imr |= BIT(pin); else - emr &= ~BIT(pin); - irq_reg_writel(gc, emr, EXTI_EMR); + imr &= ~BIT(pin); + irq_reg_writel(gc, imr, stm32_bank->imr_ofst); irq_gc_unlock(gc); @@ -101,11 +175,12 @@ static int stm32_irq_set_wake(struct irq_data *data, unsigned int on) static int stm32_exti_alloc(struct irq_domain *d, unsigned int virq, unsigned int nr_irqs, void *data) { - struct irq_chip_generic *gc = d->gc->gc[0]; + struct irq_chip_generic *gc; struct irq_fwspec *fwspec = data; irq_hw_number_t hwirq; hwirq = fwspec->param[0]; + gc = irq_get_domain_generic_chip(d, hwirq); irq_map_generic_chip(d, virq, hwirq); irq_domain_set_info(d, virq, hwirq, &gc->chip_types->chip, gc, @@ -129,8 +204,9 @@ struct irq_domain_ops irq_exti_domain_ops = { .free = stm32_exti_free, }; -static int __init stm32_exti_init(struct device_node *node, - struct device_node *parent) +static int +__init stm32_exti_init(const struct stm32_exti_bank **stm32_exti_banks, + int bank_nr, struct device_node *node) { unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; int nr_irqs, nr_exti, ret, i; @@ -144,23 +220,16 @@ static int __init stm32_exti_init(struct device_node *node, return -ENOMEM; } - /* Determine number of irqs supported */ - writel_relaxed(~0UL, base + EXTI_RTSR); - nr_exti = fls(readl_relaxed(base + EXTI_RTSR)); - writel_relaxed(0, base + EXTI_RTSR); - - pr_info("%pOF: %d External IRQs detected\n", node, nr_exti); - - domain = irq_domain_add_linear(node, nr_exti, + domain = irq_domain_add_linear(node, bank_nr * IRQS_PER_BANK, &irq_exti_domain_ops, NULL); if (!domain) { pr_err("%s: Could not register interrupt domain.\n", - node->name); + node->name); ret = -ENOMEM; goto out_unmap; } - ret = irq_alloc_domain_generic_chips(domain, nr_exti, 1, "exti", + ret = irq_alloc_domain_generic_chips(domain, IRQS_PER_BANK, 1, "exti", handle_edge_irq, clr, 0, 0); if (ret) { pr_err("%pOF: Could not allocate generic interrupt chip.\n", @@ -168,18 +237,41 @@ static int __init stm32_exti_init(struct device_node *node, goto out_free_domain; } - gc = domain->gc->gc[0]; - gc->reg_base = base; - gc->chip_types->type = IRQ_TYPE_EDGE_BOTH; - gc->chip_types->chip.name = gc->chip_types[0].chip.name; - gc->chip_types->chip.irq_ack = irq_gc_ack_set_bit; - gc->chip_types->chip.irq_mask = irq_gc_mask_clr_bit; - gc->chip_types->chip.irq_unmask = irq_gc_mask_set_bit; - gc->chip_types->chip.irq_set_type = stm32_irq_set_type; - gc->chip_types->chip.irq_set_wake = stm32_irq_set_wake; - gc->chip_types->regs.ack = EXTI_PR; - gc->chip_types->regs.mask = EXTI_IMR; - gc->chip_types->handler = handle_edge_irq; + for (i = 0; i < bank_nr; i++) { + const struct stm32_exti_bank *stm32_bank = stm32_exti_banks[i]; + u32 irqs_mask; + + gc = irq_get_domain_generic_chip(domain, i * IRQS_PER_BANK); + + gc->reg_base = base; + gc->chip_types->type = IRQ_TYPE_EDGE_BOTH; + gc->chip_types->chip.irq_ack = irq_gc_ack_set_bit; + gc->chip_types->chip.irq_mask = irq_gc_mask_clr_bit; + gc->chip_types->chip.irq_unmask = irq_gc_mask_set_bit; + gc->chip_types->chip.irq_set_type = stm32_irq_set_type; + gc->chip_types->chip.irq_set_wake = stm32_irq_set_wake; + gc->chip_types->regs.ack = stm32_bank->pr_ofst; + gc->chip_types->regs.mask = stm32_bank->imr_ofst; + gc->private = (void *)stm32_bank; + + /* Determine number of irqs supported */ + writel_relaxed(~0UL, base + stm32_bank->rtsr_ofst); + irqs_mask = readl_relaxed(base + stm32_bank->rtsr_ofst); + nr_exti = fls(readl_relaxed(base + stm32_bank->rtsr_ofst)); + + /* + * This IP has no reset, so after hot reboot we should + * clear registers to avoid residue + */ + writel_relaxed(0, base + stm32_bank->imr_ofst); + writel_relaxed(0, base + stm32_bank->emr_ofst); + writel_relaxed(0, base + stm32_bank->rtsr_ofst); + writel_relaxed(0, base + stm32_bank->ftsr_ofst); + writel_relaxed(~0UL, base + stm32_bank->pr_ofst); + + pr_info("%s: bank%d, External IRQs available:%#x\n", + node->full_name, i, irqs_mask); + } nr_irqs = of_irq_count(node); for (i = 0; i < nr_irqs; i++) { @@ -198,4 +290,20 @@ out_unmap: return ret; } -IRQCHIP_DECLARE(stm32_exti, "st,stm32-exti", stm32_exti_init); +static int __init stm32f4_exti_of_init(struct device_node *np, + struct device_node *parent) +{ + return stm32_exti_init(stm32f4xx_exti_banks, + ARRAY_SIZE(stm32f4xx_exti_banks), np); +} + +IRQCHIP_DECLARE(stm32f4_exti, "st,stm32-exti", stm32f4_exti_of_init); + +static int __init stm32h7_exti_of_init(struct device_node *np, + struct device_node *parent) +{ + return stm32_exti_init(stm32h7xx_exti_banks, + ARRAY_SIZE(stm32h7xx_exti_banks), np); +} + +IRQCHIP_DECLARE(stm32h7_exti, "st,stm32h7-exti", stm32h7_exti_of_init); diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c index 37dd4645bf18..928858dada75 100644 --- a/drivers/irqchip/irq-versatile-fpga.c +++ b/drivers/irqchip/irq-versatile-fpga.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Support for Versatile FPGA-based IRQ controllers */ diff --git a/drivers/isdn/Makefile b/drivers/isdn/Makefile index c32e45826c2c..e7d3d8f2ad5a 100644 --- a/drivers/isdn/Makefile +++ b/drivers/isdn/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the kernel ISDN subsystem and device drivers. # Object files in subdirectories diff --git a/drivers/isdn/capi/Makefile b/drivers/isdn/capi/Makefile index 4d5b4b71db1e..06da3ed2c40a 100644 --- a/drivers/isdn/capi/Makefile +++ b/drivers/isdn/capi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the CAPI subsystem. # Ordering constraints: kernelcapi.o first diff --git a/drivers/isdn/capi/capilib.c b/drivers/isdn/capi/capilib.c index 33361f833c01..a39ad3796bba 100644 --- a/drivers/isdn/capi/capilib.c +++ b/drivers/isdn/capi/capilib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> #include <linux/kernel.h> diff --git a/drivers/isdn/gigaset/Makefile b/drivers/isdn/gigaset/Makefile index c453b72272a0..ac45a2739f56 100644 --- a/drivers/isdn/gigaset/Makefile +++ b/drivers/isdn/gigaset/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 gigaset-y := common.o interface.o proc.o ev-layer.o asyncdata.o gigaset-$(CONFIG_GIGASET_CAPI) += capi.o gigaset-$(CONFIG_GIGASET_I4L) += i4l.o diff --git a/drivers/isdn/hardware/avm/Makefile b/drivers/isdn/hardware/avm/Makefile index b540e8f2efb6..3830a0573fcc 100644 --- a/drivers/isdn/hardware/avm/Makefile +++ b/drivers/isdn/hardware/avm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the AVM ISDN device drivers # Each configuration option enables a list of files. diff --git a/drivers/isdn/hardware/eicon/Makefile b/drivers/isdn/hardware/eicon/Makefile index 4fa7fdb7df0d..a0ab2e2d7df0 100644 --- a/drivers/isdn/hardware/eicon/Makefile +++ b/drivers/isdn/hardware/eicon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Eicon DIVA ISDN drivers. # Each configuration option enables a list of files. diff --git a/drivers/isdn/hardware/eicon/adapter.h b/drivers/isdn/hardware/eicon/adapter.h index 71a7c2f084a7..f9b24eb8781d 100644 --- a/drivers/isdn/hardware/eicon/adapter.h +++ b/drivers/isdn/hardware/eicon/adapter.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: adapter.h,v 1.4 2004/03/21 17:26:01 armin Exp $ */ #ifndef __DIVA_USER_MODE_IDI_ADAPTER_H__ diff --git a/drivers/isdn/hardware/eicon/debug.c b/drivers/isdn/hardware/eicon/debug.c index 8bc2791bc39c..301788115c4f 100644 --- a/drivers/isdn/hardware/eicon/debug.c +++ b/drivers/isdn/hardware/eicon/debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "platform.h" #include "pc.h" #include "di_defs.h" diff --git a/drivers/isdn/hardware/eicon/diva.c b/drivers/isdn/hardware/eicon/diva.c index d91dd580e978..944a7f338099 100644 --- a/drivers/isdn/hardware/eicon/diva.c +++ b/drivers/isdn/hardware/eicon/diva.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Id: diva.c,v 1.21.4.1 2004/05/08 14:33:43 armin Exp $ */ #define CARDTYPE_H_WANT_DATA 1 diff --git a/drivers/isdn/hardware/eicon/diva.h b/drivers/isdn/hardware/eicon/diva.h index e979085d1b89..b067032093a8 100644 --- a/drivers/isdn/hardware/eicon/diva.h +++ b/drivers/isdn/hardware/eicon/diva.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: diva.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */ #ifndef __DIVA_XDI_OS_PART_H__ diff --git a/drivers/isdn/hardware/eicon/diva_pci.h b/drivers/isdn/hardware/eicon/diva_pci.h index bb4b562050f6..7ef5db98ad3c 100644 --- a/drivers/isdn/hardware/eicon/diva_pci.h +++ b/drivers/isdn/hardware/eicon/diva_pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: diva_pci.h,v 1.6 2003/01/04 15:29:45 schindler Exp $ */ #ifndef __DIVA_PCI_INTERFACE_H__ diff --git a/drivers/isdn/hardware/eicon/dqueue.h b/drivers/isdn/hardware/eicon/dqueue.h index 6992c45457a4..2da9799686ab 100644 --- a/drivers/isdn/hardware/eicon/dqueue.h +++ b/drivers/isdn/hardware/eicon/dqueue.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: dqueue.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */ #ifndef _DIVA_USER_MODE_IDI_DATA_QUEUE_H__ diff --git a/drivers/isdn/hardware/eicon/dsp_tst.h b/drivers/isdn/hardware/eicon/dsp_tst.h index fe36f138be8b..85edd3ea50f7 100644 --- a/drivers/isdn/hardware/eicon/dsp_tst.h +++ b/drivers/isdn/hardware/eicon/dsp_tst.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: dsp_tst.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */ #ifndef __DIVA_PRI_HOST_TEST_DSPS_H__ diff --git a/drivers/isdn/hardware/eicon/entity.h b/drivers/isdn/hardware/eicon/entity.h index fdb83416af31..f9767d321db9 100644 --- a/drivers/isdn/hardware/eicon/entity.h +++ b/drivers/isdn/hardware/eicon/entity.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: entity.h,v 1.4 2004/03/21 17:26:01 armin Exp $ */ #ifndef __DIVAS_USER_MODE_IDI_ENTITY__ diff --git a/drivers/isdn/hardware/eicon/os_4bri.c b/drivers/isdn/hardware/eicon/os_4bri.c index 1891246807ed..87db5f4df27d 100644 --- a/drivers/isdn/hardware/eicon/os_4bri.c +++ b/drivers/isdn/hardware/eicon/os_4bri.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Id: os_4bri.c,v 1.28.4.4 2005/02/11 19:40:25 armin Exp $ */ #include "platform.h" diff --git a/drivers/isdn/hardware/eicon/os_4bri.h b/drivers/isdn/hardware/eicon/os_4bri.h index 72253278d4f5..94b2709537d8 100644 --- a/drivers/isdn/hardware/eicon/os_4bri.h +++ b/drivers/isdn/hardware/eicon/os_4bri.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: os_4bri.h,v 1.1.2.2 2001/02/08 12:25:44 armin Exp $ */ #ifndef __DIVA_OS_4_BRI_H__ diff --git a/drivers/isdn/hardware/eicon/os_bri.c b/drivers/isdn/hardware/eicon/os_bri.c index 20f2653c58fa..de93090bcacb 100644 --- a/drivers/isdn/hardware/eicon/os_bri.c +++ b/drivers/isdn/hardware/eicon/os_bri.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Id: os_bri.c,v 1.21 2004/03/21 17:26:01 armin Exp $ */ #include "platform.h" diff --git a/drivers/isdn/hardware/eicon/os_bri.h b/drivers/isdn/hardware/eicon/os_bri.h index 02e7456f8962..37c92cc53ded 100644 --- a/drivers/isdn/hardware/eicon/os_bri.h +++ b/drivers/isdn/hardware/eicon/os_bri.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: os_bri.h,v 1.1.2.2 2001/02/08 12:25:44 armin Exp $ */ #ifndef __DIVA_OS_BRI_REV_1_H__ diff --git a/drivers/isdn/hardware/eicon/os_pri.c b/drivers/isdn/hardware/eicon/os_pri.c index da4957abb422..b20f1fb89d14 100644 --- a/drivers/isdn/hardware/eicon/os_pri.c +++ b/drivers/isdn/hardware/eicon/os_pri.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Id: os_pri.c,v 1.32 2004/03/21 17:26:01 armin Exp $ */ #include "platform.h" diff --git a/drivers/isdn/hardware/eicon/os_pri.h b/drivers/isdn/hardware/eicon/os_pri.h index 537c74d042e7..0e91855b171a 100644 --- a/drivers/isdn/hardware/eicon/os_pri.h +++ b/drivers/isdn/hardware/eicon/os_pri.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: os_pri.h,v 1.1.2.2 2001/02/08 12:25:44 armin Exp $ */ #ifndef __DIVA_OS_PRI_REV_1_H__ diff --git a/drivers/isdn/hardware/eicon/um_idi.c b/drivers/isdn/hardware/eicon/um_idi.c index e1519718ce67..db4dd4ff3642 100644 --- a/drivers/isdn/hardware/eicon/um_idi.c +++ b/drivers/isdn/hardware/eicon/um_idi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Id: um_idi.c,v 1.14 2004/03/21 17:54:37 armin Exp $ */ #include "platform.h" diff --git a/drivers/isdn/hardware/eicon/um_idi.h b/drivers/isdn/hardware/eicon/um_idi.h index ffb88f7b42fc..9aedd9e351a3 100644 --- a/drivers/isdn/hardware/eicon/um_idi.h +++ b/drivers/isdn/hardware/eicon/um_idi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: um_idi.h,v 1.6 2004/03/21 17:26:01 armin Exp $ */ #ifndef __DIVA_USER_MODE_IDI_CORE_H__ diff --git a/drivers/isdn/hardware/eicon/um_xdi.h b/drivers/isdn/hardware/eicon/um_xdi.h index b48fc042a5bc..1f37aa4efd18 100644 --- a/drivers/isdn/hardware/eicon/um_xdi.h +++ b/drivers/isdn/hardware/eicon/um_xdi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: um_xdi.h,v 1.1.2.2 2002/10/02 14:38:38 armin Exp $ */ #ifndef __DIVA_USER_MODE_XDI_H__ diff --git a/drivers/isdn/hardware/eicon/xdi_adapter.h b/drivers/isdn/hardware/eicon/xdi_adapter.h index d303e65dbe6c..b036e217c659 100644 --- a/drivers/isdn/hardware/eicon/xdi_adapter.h +++ b/drivers/isdn/hardware/eicon/xdi_adapter.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: xdi_adapter.h,v 1.7 2004/03/21 17:26:01 armin Exp $ */ #ifndef __DIVA_OS_XDI_ADAPTER_H__ diff --git a/drivers/isdn/hardware/eicon/xdi_msg.h b/drivers/isdn/hardware/eicon/xdi_msg.h index 2498c349a32e..0646079bf466 100644 --- a/drivers/isdn/hardware/eicon/xdi_msg.h +++ b/drivers/isdn/hardware/eicon/xdi_msg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: xdi_msg.h,v 1.1.2.2 2001/02/16 08:40:36 armin Exp $ */ #ifndef __DIVA_XDI_UM_CFG_MESSAGE_H__ diff --git a/drivers/isdn/hardware/mISDN/Makefile b/drivers/isdn/hardware/mISDN/Makefile index 2987d990993f..422f9fd8ab9a 100644 --- a/drivers/isdn/hardware/mISDN/Makefile +++ b/drivers/isdn/hardware/mISDN/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the modular ISDN hardware drivers # diff --git a/drivers/isdn/hardware/mISDN/hfc_multi.h b/drivers/isdn/hardware/mISDN/hfc_multi.h index c601f880141e..5acf826d913c 100644 --- a/drivers/isdn/hardware/mISDN/hfc_multi.h +++ b/drivers/isdn/hardware/mISDN/hfc_multi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * see notice in hfc_multi.c */ diff --git a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h index 8a254747768e..b0d772340e16 100644 --- a/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h +++ b/drivers/isdn/hardware/mISDN/hfc_multi_8xx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * For License see notice in hfc_multi.c * diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.h b/drivers/isdn/hardware/mISDN/hfcsusb.h index 5f8f1d9cac11..e4fa2a2824af 100644 --- a/drivers/isdn/hardware/mISDN/hfcsusb.h +++ b/drivers/isdn/hardware/mISDN/hfcsusb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * hfcsusb.h, HFC-S USB mISDN driver */ diff --git a/drivers/isdn/hisax/Makefile b/drivers/isdn/hisax/Makefile index 646368fe41c9..3eca9d23f1c2 100644 --- a/drivers/isdn/hisax/Makefile +++ b/drivers/isdn/hisax/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the hisax ISDN device driver # The target object and module list name. diff --git a/drivers/isdn/hisax/hfc4s8s_l1.h b/drivers/isdn/hisax/hfc4s8s_l1.h index 6a8f89113d2f..4665b9d5df16 100644 --- a/drivers/isdn/hisax/hfc4s8s_l1.h +++ b/drivers/isdn/hisax/hfc4s8s_l1.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /***************************************************************/ /* $Id: hfc4s8s_l1.h,v 1.1 2005/02/02 17:28:55 martinb1 Exp $ */ /* */ diff --git a/drivers/isdn/hisax/hfc_usb.h b/drivers/isdn/hisax/hfc_usb.h index f987bf89da1a..9a212330e8a8 100644 --- a/drivers/isdn/hisax/hfc_usb.h +++ b/drivers/isdn/hisax/hfc_usb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * hfc_usb.h * diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.h b/drivers/isdn/hisax/hisax_fcpcipnp.h index aedef97827fe..1f64e9937aa1 100644 --- a/drivers/isdn/hisax/hisax_fcpcipnp.h +++ b/drivers/isdn/hisax/hisax_fcpcipnp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include "hisax_if.h" #include "hisax_isac.h" #include <linux/pci.h> diff --git a/drivers/isdn/hisax/hisax_isac.h b/drivers/isdn/hisax/hisax_isac.h index 08890cf4d923..d7301da97991 100644 --- a/drivers/isdn/hisax/hisax_isac.h +++ b/drivers/isdn/hisax/hisax_isac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __HISAX_ISAC_H__ #define __HISAX_ISAC_H__ diff --git a/drivers/isdn/i4l/Makefile b/drivers/isdn/i4l/Makefile index cb9d3bb9fae0..be77500c9e86 100644 --- a/drivers/isdn/i4l/Makefile +++ b/drivers/isdn/i4l/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the kernel ISDN subsystem and device drivers. # Each configuration option enables a list of files. diff --git a/drivers/isdn/mISDN/Makefile b/drivers/isdn/mISDN/Makefile index 0a6bd2a9e730..f3b4b7fa85f8 100644 --- a/drivers/isdn/mISDN/Makefile +++ b/drivers/isdn/mISDN/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the modular ISDN driver # diff --git a/drivers/isdn/mISDN/dsp_hwec.h b/drivers/isdn/mISDN/dsp_hwec.h index bbca1eb5a888..c9cb0ea249da 100644 --- a/drivers/isdn/mISDN/dsp_hwec.h +++ b/drivers/isdn/mISDN/dsp_hwec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * dsp_hwec.h */ diff --git a/drivers/isdn/mISDN/l1oip.h b/drivers/isdn/mISDN/l1oip.h index 661c060ada49..7ea10db20e3a 100644 --- a/drivers/isdn/mISDN/l1oip.h +++ b/drivers/isdn/mISDN/l1oip.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * see notice in l1oip.c */ diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 7d7b26552923..35980450db9b 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # LED Core obj-$(CONFIG_NEW_LEDS) += led-core.o diff --git a/drivers/leds/trigger/Makefile b/drivers/leds/trigger/Makefile index a72c43cffebf..9f2e868811e2 100644 --- a/drivers/leds/trigger/Makefile +++ b/drivers/leds/trigger/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o obj-$(CONFIG_LEDS_TRIGGER_ONESHOT) += ledtrig-oneshot.o obj-$(CONFIG_LEDS_TRIGGER_DISK) += ledtrig-disk.o diff --git a/drivers/lightnvm/Makefile b/drivers/lightnvm/Makefile index 82d1a117fb27..2c3fd9d2c08c 100644 --- a/drivers/lightnvm/Makefile +++ b/drivers/lightnvm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Open-Channel SSDs. # diff --git a/drivers/macintosh/Makefile b/drivers/macintosh/Makefile index 516eb65bcacc..ee803638e595 100644 --- a/drivers/macintosh/Makefile +++ b/drivers/macintosh/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Macintosh-specific device drivers. # diff --git a/drivers/macintosh/adb-iop.c b/drivers/macintosh/adb-iop.c index f5f4da3d0b67..15db69d8ba69 100644 --- a/drivers/macintosh/adb-iop.c +++ b/drivers/macintosh/adb-iop.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * I/O Processor (IOP) ADB Driver * Written and (C) 1999 by Joshua M. Thompson (funaho@jurai.org) @@ -29,8 +30,6 @@ /*#define DEBUG_ADB_IOP*/ -extern void iop_ism_irq(int, void *); - static struct adb_request *current_req; static struct adb_request *last_req; #if 0 @@ -265,7 +264,7 @@ int adb_iop_autopoll(int devs) void adb_iop_poll(void) { if (adb_iop_state == idle) adb_iop_start(); - iop_ism_irq(0, (void *) ADB_IOP); + iop_ism_irq_poll(ADB_IOP); } int adb_iop_reset_bus(void) diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 039dc8285fc5..289800b5235d 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device driver for the Apple Desktop Bus * and the /dev/adb device on macintoshes. diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c index 09d72bb00d12..e091193104f7 100644 --- a/drivers/macintosh/adbhid.c +++ b/drivers/macintosh/adbhid.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/macintosh/adbhid.c * diff --git a/drivers/macintosh/ams/ams.h b/drivers/macintosh/ams/ams.h index 90f094d45450..fe8d596f9845 100644 --- a/drivers/macintosh/ams/ams.h +++ b/drivers/macintosh/ams/ams.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/i2c.h> #include <linux/input-polldev.h> #include <linux/kthread.h> diff --git a/drivers/macintosh/ans-lcd.c b/drivers/macintosh/ans-lcd.c index 281fa9e6fc1f..1de81d922d8a 100644 --- a/drivers/macintosh/ans-lcd.c +++ b/drivers/macintosh/ans-lcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * /dev/lcd driver for Apple Network Servers. */ diff --git a/drivers/macintosh/ans-lcd.h b/drivers/macintosh/ans-lcd.h index d795b9fd2db6..f0a6e4c68557 100644 --- a/drivers/macintosh/ans-lcd.h +++ b/drivers/macintosh/ans-lcd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PPC_ANS_LCD_H #define _PPC_ANS_LCD_H diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c index 87de8d9bcfad..9a6223add30e 100644 --- a/drivers/macintosh/macio-adb.c +++ b/drivers/macintosh/macio-adb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the ADB controller in the Mac I/O (Hydra) chip. */ diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c index 281f5345661e..ca4fcffe454b 100644 --- a/drivers/macintosh/macio_sysfs.c +++ b/drivers/macintosh/macio_sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/stat.h> #include <asm/macio.h> diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c index ea9bdc85a21d..899ec1f4c833 100644 --- a/drivers/macintosh/smu.c +++ b/drivers/macintosh/smu.c @@ -103,7 +103,7 @@ static DEFINE_MUTEX(smu_part_access); static int smu_irq_inited; static unsigned long smu_cmdbuf_abs; -static void smu_i2c_retry(unsigned long data); +static void smu_i2c_retry(struct timer_list *t); /* * SMU driver low level stuff @@ -582,9 +582,7 @@ static int smu_late_init(void) if (!smu) return 0; - init_timer(&smu->i2c_timer); - smu->i2c_timer.function = smu_i2c_retry; - smu->i2c_timer.data = (unsigned long)smu; + timer_setup(&smu->i2c_timer, smu_i2c_retry, 0); if (smu->db_node) { smu->db_irq = irq_of_parse_and_map(smu->db_node, 0); @@ -755,7 +753,7 @@ static void smu_i2c_complete_command(struct smu_i2c_cmd *cmd, int fail) } -static void smu_i2c_retry(unsigned long data) +static void smu_i2c_retry(struct timer_list *unused) { struct smu_i2c_cmd *cmd = smu->cmd_i2c_cur; @@ -795,7 +793,7 @@ static void smu_i2c_low_completion(struct smu_cmd *scmd, void *misc) BUG_ON(cmd != smu->cmd_i2c_cur); if (!smu_irq_inited) { mdelay(5); - smu_i2c_retry(0); + smu_i2c_retry(NULL); return; } mod_timer(&smu->i2c_timer, jiffies + msecs_to_jiffies(5)); diff --git a/drivers/macintosh/via-cuda.c b/drivers/macintosh/via-cuda.c index 147da4edd021..98dd702eb867 100644 --- a/drivers/macintosh/via-cuda.c +++ b/drivers/macintosh/via-cuda.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device driver for the Cuda and Egret system controllers found on PowerMacs * and 68k Macs. diff --git a/drivers/macintosh/via-macii.c b/drivers/macintosh/via-macii.c index 415c145c8299..4ba06a1695ea 100644 --- a/drivers/macintosh/via-macii.c +++ b/drivers/macintosh/via-macii.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device driver for the via ADB on (many) Mac II-class machines * diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c index 6f68537c93ce..89ed51571b62 100644 --- a/drivers/macintosh/via-pmu-backlight.c +++ b/drivers/macintosh/via-pmu-backlight.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Backlight code for via-pmu * diff --git a/drivers/macintosh/via-pmu-event.h b/drivers/macintosh/via-pmu-event.h index 72c54de408e8..5e52109eb9a6 100644 --- a/drivers/macintosh/via-pmu-event.h +++ b/drivers/macintosh/via-pmu-event.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __VIA_PMU_EVENT_H #define __VIA_PMU_EVENT_H diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index cce99f72e4ae..c4c2b3b85ebc 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device driver for the via-pmu on Apple Powermacs. * diff --git a/drivers/macintosh/via-pmu68k.c b/drivers/macintosh/via-pmu68k.c index a411c5cb77a1..25465fb91ec9 100644 --- a/drivers/macintosh/via-pmu68k.c +++ b/drivers/macintosh/via-pmu68k.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device driver for the PMU on 68K-based Apple PowerBooks * diff --git a/drivers/mailbox/Makefile b/drivers/mailbox/Makefile index d54e41206e17..4896f8dcae95 100644 --- a/drivers/mailbox/Makefile +++ b/drivers/mailbox/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Generic MAILBOX API obj-$(CONFIG_MAILBOX) += mailbox.o diff --git a/drivers/mailbox/mailbox-altera.c b/drivers/mailbox/mailbox-altera.c index bb682c926b0a..bcb29df9549e 100644 --- a/drivers/mailbox/mailbox-altera.c +++ b/drivers/mailbox/mailbox-altera.c @@ -57,6 +57,7 @@ struct altera_mbox { /* If the controller supports only RX polling mode */ struct timer_list rxpoll_timer; + struct mbox_chan *chan; }; static struct altera_mbox *mbox_chan_to_altera_mbox(struct mbox_chan *chan) @@ -138,12 +139,11 @@ static void altera_mbox_rx_data(struct mbox_chan *chan) } } -static void altera_mbox_poll_rx(unsigned long data) +static void altera_mbox_poll_rx(struct timer_list *t) { - struct mbox_chan *chan = (struct mbox_chan *)data; - struct altera_mbox *mbox = mbox_chan_to_altera_mbox(chan); + struct altera_mbox *mbox = from_timer(mbox, t, rxpoll_timer); - altera_mbox_rx_data(chan); + altera_mbox_rx_data(mbox->chan); mod_timer(&mbox->rxpoll_timer, jiffies + msecs_to_jiffies(MBOX_POLLING_MS)); @@ -206,8 +206,8 @@ static int altera_mbox_startup_receiver(struct mbox_chan *chan) polling: /* Setup polling timer */ - setup_timer(&mbox->rxpoll_timer, altera_mbox_poll_rx, - (unsigned long)chan); + mbox->chan = chan; + timer_setup(&mbox->rxpoll_timer, altera_mbox_poll_rx, 0); mod_timer(&mbox->rxpoll_timer, jiffies + msecs_to_jiffies(MBOX_POLLING_MS)); diff --git a/drivers/mailbox/pcc.c b/drivers/mailbox/pcc.c index 9b7005e1345e..e5a69679cfa2 100644 --- a/drivers/mailbox/pcc.c +++ b/drivers/mailbox/pcc.c @@ -69,7 +69,6 @@ #include "mailbox.h" -#define MAX_PCC_SUBSPACES 256 #define MBOX_IRQ_NAME "pcc-mbox" static struct mbox_chan *pcc_mbox_channels; diff --git a/drivers/mcb/Makefile b/drivers/mcb/Makefile index bcc7745774ab..77073c5928f4 100644 --- a/drivers/mcb/Makefile +++ b/drivers/mcb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MCB) += mcb.o diff --git a/drivers/mcb/mcb-internal.h b/drivers/mcb/mcb-internal.h index d6e6933b19f1..3602cb3b2021 100644 --- a/drivers/mcb/mcb-internal.h +++ b/drivers/mcb/mcb-internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MCB_INTERNAL #define __MCB_INTERNAL diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 786ec9e86d65..e94b6f9be941 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel software RAID and LVM drivers. # diff --git a/drivers/md/bcache/Makefile b/drivers/md/bcache/Makefile index c488b846f831..d26b35195825 100644 --- a/drivers/md/bcache/Makefile +++ b/drivers/md/bcache/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_BCACHE) += bcache.o diff --git a/drivers/md/bcache/alloc.c b/drivers/md/bcache/alloc.c index cacbe2dbd5c3..08035634795c 100644 --- a/drivers/md/bcache/alloc.c +++ b/drivers/md/bcache/alloc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Primary bucket allocation code * diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index 2ed9bd231d84..abd31e847f96 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_H #define _BCACHE_H diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c index 18526d44688d..e56d3ecdbfcb 100644 --- a/drivers/md/bcache/bset.c +++ b/drivers/md/bcache/bset.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Code for working with individual keys, and sorted sets of keys with in a * btree node diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h index ae964624efb2..fa506c1aa524 100644 --- a/drivers/md/bcache/bset.h +++ b/drivers/md/bcache/bset.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_BSET_H #define _BCACHE_BSET_H diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c index 866dcf78ff8e..658c54b3b07a 100644 --- a/drivers/md/bcache/btree.c +++ b/drivers/md/bcache/btree.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2010 Kent Overstreet <kent.overstreet@gmail.com> * diff --git a/drivers/md/bcache/btree.h b/drivers/md/bcache/btree.h index 73da1f5626cb..42204d61bc95 100644 --- a/drivers/md/bcache/btree.h +++ b/drivers/md/bcache/btree.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_BTREE_H #define _BCACHE_BTREE_H diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h index 295b7e43f92c..965907ce1e20 100644 --- a/drivers/md/bcache/closure.h +++ b/drivers/md/bcache/closure.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_CLOSURE_H #define _LINUX_CLOSURE_H diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 61076eda2e6d..c7a02c4900da 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Assorted bcache debug code * diff --git a/drivers/md/bcache/debug.h b/drivers/md/bcache/debug.h index 1f63c195d247..acc48d3fa274 100644 --- a/drivers/md/bcache/debug.h +++ b/drivers/md/bcache/debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_DEBUG_H #define _BCACHE_DEBUG_H diff --git a/drivers/md/bcache/extents.c b/drivers/md/bcache/extents.c index 243de0bf15cd..41c238fc3733 100644 --- a/drivers/md/bcache/extents.c +++ b/drivers/md/bcache/extents.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2010 Kent Overstreet <kent.overstreet@gmail.com> * diff --git a/drivers/md/bcache/extents.h b/drivers/md/bcache/extents.h index e2ed54054e7a..0cd3575afa1d 100644 --- a/drivers/md/bcache/extents.h +++ b/drivers/md/bcache/extents.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_EXTENTS_H #define _BCACHE_EXTENTS_H diff --git a/drivers/md/bcache/io.c b/drivers/md/bcache/io.c index 7e871bdc0097..fac97ec2d0e2 100644 --- a/drivers/md/bcache/io.c +++ b/drivers/md/bcache/io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Some low level IO code, and hacks for various block layer limitations * diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c index 7e1d1c3ba33a..02a98ddb592d 100644 --- a/drivers/md/bcache/journal.c +++ b/drivers/md/bcache/journal.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bcache journalling code, for btree insertions * diff --git a/drivers/md/bcache/journal.h b/drivers/md/bcache/journal.h index e3c39457afbb..b5788199188f 100644 --- a/drivers/md/bcache/journal.h +++ b/drivers/md/bcache/journal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_JOURNAL_H #define _BCACHE_JOURNAL_H diff --git a/drivers/md/bcache/movinggc.c b/drivers/md/bcache/movinggc.c index f633b30c962e..d50c1c97da68 100644 --- a/drivers/md/bcache/movinggc.c +++ b/drivers/md/bcache/movinggc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Moving/copying garbage collector * diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 681b4f12b05a..3475d6628e21 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Main bcache entry point - handle a read or a write request and decide what to * do with it; the make_request functions are called by the block layer. diff --git a/drivers/md/bcache/request.h b/drivers/md/bcache/request.h index 7689176951ce..dea0886b81c1 100644 --- a/drivers/md/bcache/request.h +++ b/drivers/md/bcache/request.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_REQUEST_H_ #define _BCACHE_REQUEST_H_ diff --git a/drivers/md/bcache/stats.c b/drivers/md/bcache/stats.c index 0ca072c20d0d..d0831d5bcc87 100644 --- a/drivers/md/bcache/stats.c +++ b/drivers/md/bcache/stats.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bcache stats code * diff --git a/drivers/md/bcache/stats.h b/drivers/md/bcache/stats.h index adbff141c887..0b70f9de0c03 100644 --- a/drivers/md/bcache/stats.h +++ b/drivers/md/bcache/stats.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_STATS_H_ #define _BCACHE_STATS_H_ diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 104c57cd666c..234b2f5b286d 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bcache sysfs interfaces * diff --git a/drivers/md/bcache/sysfs.h b/drivers/md/bcache/sysfs.h index 0526fe92a683..b54fe9602529 100644 --- a/drivers/md/bcache/sysfs.h +++ b/drivers/md/bcache/sysfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_SYSFS_H_ #define _BCACHE_SYSFS_H_ diff --git a/drivers/md/bcache/trace.c b/drivers/md/bcache/trace.c index b7820b0d2621..a9a73f560c04 100644 --- a/drivers/md/bcache/trace.c +++ b/drivers/md/bcache/trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "bcache.h" #include "btree.h" diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h index cb8d2ccbb6c6..f54b58282f77 100644 --- a/drivers/md/bcache/util.h +++ b/drivers/md/bcache/util.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_UTIL_H #define _BCACHE_UTIL_H diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c index e663ca082183..70454f2ad2fa 100644 --- a/drivers/md/bcache/writeback.c +++ b/drivers/md/bcache/writeback.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * background writeback - scan btree for dirty data and write it to the backing * device diff --git a/drivers/md/bcache/writeback.h b/drivers/md/bcache/writeback.h index e35421d20d2e..151544740148 100644 --- a/drivers/md/bcache/writeback.h +++ b/drivers/md/bcache/writeback.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_WRITEBACK_H #define _BCACHE_WRITEBACK_H diff --git a/drivers/md/bitmap.h b/drivers/md/bitmap.h index d15721ac07a6..5df35ca90f58 100644 --- a/drivers/md/bitmap.h +++ b/drivers/md/bitmap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * bitmap.h: Copyright (C) Peter T. Breuer (ptb@ot.uc3m.es) 2003 * diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index d216a8f7bc22..33bb074d6941 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -347,7 +347,7 @@ static void __cache_size_refresh(void) BUG_ON(!mutex_is_locked(&dm_bufio_clients_lock)); BUG_ON(dm_bufio_client_count < 0); - dm_bufio_cache_size_latch = ACCESS_ONCE(dm_bufio_cache_size); + dm_bufio_cache_size_latch = READ_ONCE(dm_bufio_cache_size); /* * Use default if set to 0 and report the actual cache size used. @@ -960,7 +960,7 @@ static void __get_memory_limit(struct dm_bufio_client *c, { unsigned long buffers; - if (unlikely(ACCESS_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch)) { + if (unlikely(READ_ONCE(dm_bufio_cache_size) != dm_bufio_cache_size_latch)) { if (mutex_trylock(&dm_bufio_clients_lock)) { __cache_size_refresh(); mutex_unlock(&dm_bufio_clients_lock); @@ -1600,7 +1600,7 @@ static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp) static unsigned long get_retain_buffers(struct dm_bufio_client *c) { - unsigned long retain_bytes = ACCESS_ONCE(dm_bufio_retain_bytes); + unsigned long retain_bytes = READ_ONCE(dm_bufio_retain_bytes); return retain_bytes >> (c->sectors_per_block_bits + SECTOR_SHIFT); } @@ -1647,7 +1647,7 @@ dm_bufio_shrink_count(struct shrinker *shrink, struct shrink_control *sc) { struct dm_bufio_client *c = container_of(shrink, struct dm_bufio_client, shrinker); - return ACCESS_ONCE(c->n_buffers[LIST_CLEAN]) + ACCESS_ONCE(c->n_buffers[LIST_DIRTY]); + return READ_ONCE(c->n_buffers[LIST_CLEAN]) + READ_ONCE(c->n_buffers[LIST_DIRTY]); } /* @@ -1818,7 +1818,7 @@ EXPORT_SYMBOL_GPL(dm_bufio_set_sector_offset); static unsigned get_max_age_hz(void) { - unsigned max_age = ACCESS_ONCE(dm_bufio_max_age); + unsigned max_age = READ_ONCE(dm_bufio_max_age); if (max_age > UINT_MAX / HZ) max_age = UINT_MAX / HZ; diff --git a/drivers/md/dm-builtin.c b/drivers/md/dm-builtin.c index f092771878c2..8eb52e425141 100644 --- a/drivers/md/dm-builtin.c +++ b/drivers/md/dm-builtin.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "dm-core.h" /* diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 096fe9b66c50..8c5756e1df94 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -6,6 +6,7 @@ * This file is released under the GPL. */ +#include <linux/compiler.h> #include <linux/module.h> #include <linux/device-mapper.h> #include <linux/dm-io.h> @@ -80,13 +81,13 @@ struct journal_entry { #define journal_entry_tag(ic, je) ((__u8 *)&(je)->last_bytes[(ic)->sectors_per_block]) #if BITS_PER_LONG == 64 -#define journal_entry_set_sector(je, x) do { smp_wmb(); ACCESS_ONCE((je)->u.sector) = cpu_to_le64(x); } while (0) +#define journal_entry_set_sector(je, x) do { smp_wmb(); WRITE_ONCE((je)->u.sector, cpu_to_le64(x)); } while (0) #define journal_entry_get_sector(je) le64_to_cpu((je)->u.sector) #elif defined(CONFIG_LBDAF) -#define journal_entry_set_sector(je, x) do { (je)->u.s.sector_lo = cpu_to_le32(x); smp_wmb(); ACCESS_ONCE((je)->u.s.sector_hi) = cpu_to_le32((x) >> 32); } while (0) +#define journal_entry_set_sector(je, x) do { (je)->u.s.sector_lo = cpu_to_le32(x); smp_wmb(); WRITE_ONCE((je)->u.s.sector_hi, cpu_to_le32((x) >> 32)); } while (0) #define journal_entry_get_sector(je) le64_to_cpu((je)->u.sector) #else -#define journal_entry_set_sector(je, x) do { (je)->u.s.sector_lo = cpu_to_le32(x); smp_wmb(); ACCESS_ONCE((je)->u.s.sector_hi) = cpu_to_le32(0); } while (0) +#define journal_entry_set_sector(je, x) do { (je)->u.s.sector_lo = cpu_to_le32(x); smp_wmb(); WRITE_ONCE((je)->u.s.sector_hi, cpu_to_le32(0)); } while (0) #define journal_entry_get_sector(je) le32_to_cpu((je)->u.s.sector_lo) #endif #define journal_entry_is_unused(je) ((je)->u.s.sector_hi == cpu_to_le32(-1)) @@ -320,7 +321,7 @@ static void dm_integrity_io_error(struct dm_integrity_c *ic, const char *msg, in static int dm_integrity_failed(struct dm_integrity_c *ic) { - return ACCESS_ONCE(ic->failed); + return READ_ONCE(ic->failed); } static commit_id_t dm_integrity_commit_id(struct dm_integrity_c *ic, unsigned i, @@ -1545,7 +1546,7 @@ retry_kmap: smp_mb(); if (unlikely(waitqueue_active(&ic->copy_to_journal_wait))) wake_up(&ic->copy_to_journal_wait); - if (ACCESS_ONCE(ic->free_sectors) <= ic->free_sectors_threshold) { + if (READ_ONCE(ic->free_sectors) <= ic->free_sectors_threshold) { queue_work(ic->commit_wq, &ic->commit_work); } else { schedule_autocommit(ic); @@ -1798,7 +1799,7 @@ static void integrity_commit(struct work_struct *w) ic->n_committed_sections += commit_sections; spin_unlock_irq(&ic->endio_wait.lock); - if (ACCESS_ONCE(ic->free_sectors) <= ic->free_sectors_threshold) + if (READ_ONCE(ic->free_sectors) <= ic->free_sectors_threshold) queue_work(ic->writer_wq, &ic->writer_work); release_flush_bios: @@ -1980,7 +1981,7 @@ static void integrity_writer(struct work_struct *w) unsigned prev_free_sectors; /* the following test is not needed, but it tests the replay code */ - if (ACCESS_ONCE(ic->suspending)) + if (READ_ONCE(ic->suspending)) return; spin_lock_irq(&ic->endio_wait.lock); diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c index cf2c67e35eaf..eb45cc3df31d 100644 --- a/drivers/md/dm-kcopyd.c +++ b/drivers/md/dm-kcopyd.c @@ -107,7 +107,7 @@ static void io_job_start(struct dm_kcopyd_throttle *t) try_again: spin_lock_irq(&throttle_spinlock); - throttle = ACCESS_ONCE(t->throttle); + throttle = READ_ONCE(t->throttle); if (likely(throttle >= 100)) goto skip_limit; @@ -157,7 +157,7 @@ static void io_job_finish(struct dm_kcopyd_throttle *t) t->num_io_jobs--; - if (likely(ACCESS_ONCE(t->throttle) >= 100)) + if (likely(READ_ONCE(t->throttle) >= 100)) goto skip_limit; if (!t->num_io_jobs) { diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 11f273d2f018..3f88c9d32f7e 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -366,7 +366,7 @@ static struct pgpath *choose_path_in_pg(struct multipath *m, pgpath = path_to_pgpath(path); - if (unlikely(lockless_dereference(m->current_pg) != pg)) { + if (unlikely(READ_ONCE(m->current_pg) != pg)) { /* Only update current_pgpath if pg changed */ spin_lock_irqsave(&m->lock, flags); m->current_pgpath = pgpath; @@ -390,7 +390,7 @@ static struct pgpath *choose_pgpath(struct multipath *m, size_t nr_bytes) } /* Were we instructed to switch PG? */ - if (lockless_dereference(m->next_pg)) { + if (READ_ONCE(m->next_pg)) { spin_lock_irqsave(&m->lock, flags); pg = m->next_pg; if (!pg) { @@ -406,7 +406,7 @@ static struct pgpath *choose_pgpath(struct multipath *m, size_t nr_bytes) /* Don't change PG until it has no remaining paths */ check_current_pg: - pg = lockless_dereference(m->current_pg); + pg = READ_ONCE(m->current_pg); if (pg) { pgpath = choose_path_in_pg(m, pg, nr_bytes); if (!IS_ERR_OR_NULL(pgpath)) @@ -473,7 +473,7 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq, struct request *clone; /* Do we need to select a new pgpath? */ - pgpath = lockless_dereference(m->current_pgpath); + pgpath = READ_ONCE(m->current_pgpath); if (!pgpath || !test_bit(MPATHF_QUEUE_IO, &m->flags)) pgpath = choose_pgpath(m, nr_bytes); @@ -535,7 +535,7 @@ static int __multipath_map_bio(struct multipath *m, struct bio *bio, struct dm_m bool queue_io; /* Do we need to select a new pgpath? */ - pgpath = lockless_dereference(m->current_pgpath); + pgpath = READ_ONCE(m->current_pgpath); queue_io = test_bit(MPATHF_QUEUE_IO, &m->flags); if (!pgpath || !queue_io) pgpath = choose_pgpath(m, nr_bytes); @@ -1804,7 +1804,7 @@ static int multipath_prepare_ioctl(struct dm_target *ti, struct pgpath *current_pgpath; int r; - current_pgpath = lockless_dereference(m->current_pgpath); + current_pgpath = READ_ONCE(m->current_pgpath); if (!current_pgpath) current_pgpath = choose_pgpath(m, 0); @@ -1826,7 +1826,7 @@ static int multipath_prepare_ioctl(struct dm_target *ti, } if (r == -ENOTCONN) { - if (!lockless_dereference(m->current_pg)) { + if (!READ_ONCE(m->current_pg)) { /* Path status changed, redo selection */ (void) choose_pgpath(m, 0); } @@ -1895,9 +1895,9 @@ static int multipath_busy(struct dm_target *ti) return (m->queue_mode != DM_TYPE_MQ_REQUEST_BASED); /* Guess which priority_group will be used at next mapping time */ - pg = lockless_dereference(m->current_pg); - next_pg = lockless_dereference(m->next_pg); - if (unlikely(!lockless_dereference(m->current_pgpath) && next_pg)) + pg = READ_ONCE(m->current_pg); + next_pg = READ_ONCE(m->next_pg); + if (unlikely(!READ_ONCE(m->current_pgpath) && next_pg)) pg = next_pg; if (!pg) { diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c index 6028d8247f58..29bc51084c82 100644 --- a/drivers/md/dm-stats.c +++ b/drivers/md/dm-stats.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/errno.h> #include <linux/numa.h> #include <linux/slab.h> @@ -431,7 +432,7 @@ do_sync_free: synchronize_rcu_expedited(); dm_stat_free(&s->rcu_head); } else { - ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1; + WRITE_ONCE(dm_stat_need_rcu_barrier, 1); call_rcu(&s->rcu_head, dm_stat_free); } return 0; @@ -639,12 +640,12 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, */ last = raw_cpu_ptr(stats->last); stats_aux->merged = - (bi_sector == (ACCESS_ONCE(last->last_sector) && + (bi_sector == (READ_ONCE(last->last_sector) && ((bi_rw == WRITE) == - (ACCESS_ONCE(last->last_rw) == WRITE)) + (READ_ONCE(last->last_rw) == WRITE)) )); - ACCESS_ONCE(last->last_sector) = end_sector; - ACCESS_ONCE(last->last_rw) = bi_rw; + WRITE_ONCE(last->last_sector, end_sector); + WRITE_ONCE(last->last_rw, bi_rw); } rcu_read_lock(); @@ -693,22 +694,22 @@ static void __dm_stat_init_temporary_percpu_totals(struct dm_stat_shared *shared for_each_possible_cpu(cpu) { p = &s->stat_percpu[cpu][x]; - shared->tmp.sectors[READ] += ACCESS_ONCE(p->sectors[READ]); - shared->tmp.sectors[WRITE] += ACCESS_ONCE(p->sectors[WRITE]); - shared->tmp.ios[READ] += ACCESS_ONCE(p->ios[READ]); - shared->tmp.ios[WRITE] += ACCESS_ONCE(p->ios[WRITE]); - shared->tmp.merges[READ] += ACCESS_ONCE(p->merges[READ]); - shared->tmp.merges[WRITE] += ACCESS_ONCE(p->merges[WRITE]); - shared->tmp.ticks[READ] += ACCESS_ONCE(p->ticks[READ]); - shared->tmp.ticks[WRITE] += ACCESS_ONCE(p->ticks[WRITE]); - shared->tmp.io_ticks[READ] += ACCESS_ONCE(p->io_ticks[READ]); - shared->tmp.io_ticks[WRITE] += ACCESS_ONCE(p->io_ticks[WRITE]); - shared->tmp.io_ticks_total += ACCESS_ONCE(p->io_ticks_total); - shared->tmp.time_in_queue += ACCESS_ONCE(p->time_in_queue); + shared->tmp.sectors[READ] += READ_ONCE(p->sectors[READ]); + shared->tmp.sectors[WRITE] += READ_ONCE(p->sectors[WRITE]); + shared->tmp.ios[READ] += READ_ONCE(p->ios[READ]); + shared->tmp.ios[WRITE] += READ_ONCE(p->ios[WRITE]); + shared->tmp.merges[READ] += READ_ONCE(p->merges[READ]); + shared->tmp.merges[WRITE] += READ_ONCE(p->merges[WRITE]); + shared->tmp.ticks[READ] += READ_ONCE(p->ticks[READ]); + shared->tmp.ticks[WRITE] += READ_ONCE(p->ticks[WRITE]); + shared->tmp.io_ticks[READ] += READ_ONCE(p->io_ticks[READ]); + shared->tmp.io_ticks[WRITE] += READ_ONCE(p->io_ticks[WRITE]); + shared->tmp.io_ticks_total += READ_ONCE(p->io_ticks_total); + shared->tmp.time_in_queue += READ_ONCE(p->time_in_queue); if (s->n_histogram_entries) { unsigned i; for (i = 0; i < s->n_histogram_entries + 1; i++) - shared->tmp.histogram[i] += ACCESS_ONCE(p->histogram[i]); + shared->tmp.histogram[i] += READ_ONCE(p->histogram[i]); } } } diff --git a/drivers/md/dm-stats.h b/drivers/md/dm-stats.h index f1c0956e3843..2ddfae678f32 100644 --- a/drivers/md/dm-stats.h +++ b/drivers/md/dm-stats.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DM_STATS_H #define DM_STATS_H diff --git a/drivers/md/dm-switch.c b/drivers/md/dm-switch.c index 4c8de1ff78ca..8d0ba879777e 100644 --- a/drivers/md/dm-switch.c +++ b/drivers/md/dm-switch.c @@ -144,7 +144,7 @@ static unsigned switch_region_table_read(struct switch_ctx *sctx, unsigned long switch_get_position(sctx, region_nr, ®ion_index, &bit); - return (ACCESS_ONCE(sctx->region_table[region_index]) >> bit) & + return (READ_ONCE(sctx->region_table[region_index]) >> bit) & ((1 << sctx->region_table_entry_bits) - 1); } diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 1e25705209c2..89e5dff9b4cf 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -2431,7 +2431,7 @@ static void set_pool_mode(struct pool *pool, enum pool_mode new_mode) struct pool_c *pt = pool->ti->private; bool needs_check = dm_pool_metadata_needs_check(pool->pmd); enum pool_mode old_mode = get_pool_mode(pool); - unsigned long no_space_timeout = ACCESS_ONCE(no_space_timeout_secs) * HZ; + unsigned long no_space_timeout = READ_ONCE(no_space_timeout_secs) * HZ; /* * Never allow the pool to transition to PM_WRITE mode if user diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index bda3caca23ca..fba93237a780 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -589,7 +589,7 @@ static void verity_prefetch_io(struct work_struct *work) verity_hash_at_level(v, pw->block, i, &hash_block_start, NULL); verity_hash_at_level(v, pw->block + pw->n_blocks - 1, i, &hash_block_end, NULL); if (!i) { - unsigned cluster = ACCESS_ONCE(dm_verity_prefetch_cluster); + unsigned cluster = READ_ONCE(dm_verity_prefetch_cluster); cluster >>= v->data_dev_block_bits; if (unlikely(!cluster)) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 4be85324f44d..8aaffa19b29a 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -114,7 +114,7 @@ static unsigned reserved_bio_based_ios = RESERVED_BIO_BASED_IOS; static int __dm_get_module_param_int(int *module_param, int min, int max) { - int param = ACCESS_ONCE(*module_param); + int param = READ_ONCE(*module_param); int modified_param = 0; bool modified = true; @@ -136,7 +136,7 @@ static int __dm_get_module_param_int(int *module_param, int min, int max) unsigned __dm_get_module_param(unsigned *module_param, unsigned def, unsigned max) { - unsigned param = ACCESS_ONCE(*module_param); + unsigned param = READ_ONCE(*module_param); unsigned modified_param = 0; if (!param) diff --git a/drivers/md/linear.h b/drivers/md/linear.h index 8d392e6098b3..8381d651d4ed 100644 --- a/drivers/md/linear.h +++ b/drivers/md/linear.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINEAR_H #define _LINEAR_H diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h index 274016177983..c0240708f443 100644 --- a/drivers/md/md-cluster.h +++ b/drivers/md/md-cluster.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MD_CLUSTER_H diff --git a/drivers/md/md.c b/drivers/md/md.c index 0ff1bbf6c90e..447ddcbc9566 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2651,7 +2651,7 @@ state_show(struct md_rdev *rdev, char *page) { char *sep = ","; size_t len = 0; - unsigned long flags = ACCESS_ONCE(rdev->flags); + unsigned long flags = READ_ONCE(rdev->flags); if (test_bit(Faulty, &flags) || (!test_bit(ExternalBbl, &flags) && diff --git a/drivers/md/multipath.h b/drivers/md/multipath.h index 717c60f62898..0adb941f485a 100644 --- a/drivers/md/multipath.h +++ b/drivers/md/multipath.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MULTIPATH_H #define _MULTIPATH_H diff --git a/drivers/md/persistent-data/Makefile b/drivers/md/persistent-data/Makefile index ff528792c358..66be7c66479a 100644 --- a/drivers/md/persistent-data/Makefile +++ b/drivers/md/persistent-data/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_DM_PERSISTENT_DATA) += dm-persistent-data.o dm-persistent-data-objs := \ dm-array.o \ diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h index 7127a623f5da..540e65d92642 100644 --- a/drivers/md/raid0.h +++ b/drivers/md/raid0.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RAID0_H #define _RAID0_H diff --git a/drivers/md/raid1-10.c b/drivers/md/raid1-10.c index 9f2670b45f31..400001b815db 100644 --- a/drivers/md/raid1-10.c +++ b/drivers/md/raid1-10.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Maximum size of each resync request */ #define RESYNC_BLOCK_SIZE (64*1024) #define RESYNC_PAGES ((RESYNC_BLOCK_SIZE + PAGE_SIZE-1) / PAGE_SIZE) diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index c8894ef1e9d2..c7294e7557e0 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RAID1_H #define _RAID1_H diff --git a/drivers/md/raid10.h b/drivers/md/raid10.h index 735ce1a3d260..abceccab6671 100644 --- a/drivers/md/raid10.h +++ b/drivers/md/raid10.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RAID10_H #define _RAID10_H diff --git a/drivers/md/raid5-log.h b/drivers/md/raid5-log.h index 328d67aedda4..7f9ad5f7cda0 100644 --- a/drivers/md/raid5-log.h +++ b/drivers/md/raid5-log.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RAID5_LOG_H #define _RAID5_LOG_H diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 928e24a07133..7d9a50eed9db 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -6072,7 +6072,7 @@ static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_n */ rcu_read_lock(); for (i = 0; i < conf->raid_disks; i++) { - struct md_rdev *rdev = ACCESS_ONCE(conf->disks[i].rdev); + struct md_rdev *rdev = READ_ONCE(conf->disks[i].rdev); if (rdev == NULL || test_bit(Faulty, &rdev->flags)) still_degraded = 1; diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h index f6536399677a..2e6123825095 100644 --- a/drivers/md/raid5.h +++ b/drivers/md/raid5.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RAID5_H #define _RAID5_H diff --git a/drivers/media/Makefile b/drivers/media/Makefile index 044503aa8801..594b462ddf0e 100644 --- a/drivers/media/Makefile +++ b/drivers/media/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel multimedia device drivers. # diff --git a/drivers/media/cec/Makefile b/drivers/media/cec/Makefile index 3353c1741961..41ee3325e1ea 100644 --- a/drivers/media/cec/Makefile +++ b/drivers/media/cec/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cec-objs := cec-core.o cec-adap.o cec-api.o cec-edid.o ifeq ($(CONFIG_CEC_NOTIFIER),y) diff --git a/drivers/media/common/b2c2/Makefile b/drivers/media/common/b2c2/Makefile index 24993a5b38ba..73df4a334eda 100644 --- a/drivers/media/common/b2c2/Makefile +++ b/drivers/media/common/b2c2/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 b2c2-flexcop-objs += flexcop.o flexcop-fe-tuner.o flexcop-i2c.o b2c2-flexcop-objs += flexcop-sram.o flexcop-eeprom.o flexcop-misc.o b2c2-flexcop-objs += flexcop-hw-filter.o diff --git a/drivers/media/common/b2c2/flexcop-common.h b/drivers/media/common/b2c2/flexcop-common.h index 2533574c0cf4..b7e5e4c17acb 100644 --- a/drivers/media/common/b2c2/flexcop-common.h +++ b/drivers/media/common/b2c2/flexcop-common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-common.h - common header file for device-specific source files diff --git a/drivers/media/common/b2c2/flexcop-eeprom.c b/drivers/media/common/b2c2/flexcop-eeprom.c index 844c7836c2a6..0f2151cd36f2 100644 --- a/drivers/media/common/b2c2/flexcop-eeprom.c +++ b/drivers/media/common/b2c2/flexcop-eeprom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-eeprom.c - eeprom access methods (currently only MAC address reading) diff --git a/drivers/media/common/b2c2/flexcop-fe-tuner.c b/drivers/media/common/b2c2/flexcop-fe-tuner.c index 7636606f0be5..a1ce3e8eb1d3 100644 --- a/drivers/media/common/b2c2/flexcop-fe-tuner.c +++ b/drivers/media/common/b2c2/flexcop-fe-tuner.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-fe-tuner.c - methods for frontend attachment and DiSEqC controlling diff --git a/drivers/media/common/b2c2/flexcop-hw-filter.c b/drivers/media/common/b2c2/flexcop-hw-filter.c index 8220257903ef..335f30a54ba8 100644 --- a/drivers/media/common/b2c2/flexcop-hw-filter.c +++ b/drivers/media/common/b2c2/flexcop-hw-filter.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-hw-filter.c - pid and mac address filtering and control functions diff --git a/drivers/media/common/b2c2/flexcop-i2c.c b/drivers/media/common/b2c2/flexcop-i2c.c index 58d39a59fc09..564da6fa900d 100644 --- a/drivers/media/common/b2c2/flexcop-i2c.c +++ b/drivers/media/common/b2c2/flexcop-i2c.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-i2c.c - flexcop internal 2Wire bus (I2C) and dvb i2c initialization diff --git a/drivers/media/common/b2c2/flexcop-misc.c b/drivers/media/common/b2c2/flexcop-misc.c index bb0d95fe64f9..83d01d3a81cc 100644 --- a/drivers/media/common/b2c2/flexcop-misc.c +++ b/drivers/media/common/b2c2/flexcop-misc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-misc.c - miscellaneous functions diff --git a/drivers/media/common/b2c2/flexcop-reg.h b/drivers/media/common/b2c2/flexcop-reg.h index 835c54d60e74..dd7c962db565 100644 --- a/drivers/media/common/b2c2/flexcop-reg.h +++ b/drivers/media/common/b2c2/flexcop-reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-reg.h - register abstraction for FlexCopII, FlexCopIIb and FlexCopIII diff --git a/drivers/media/common/b2c2/flexcop-sram.c b/drivers/media/common/b2c2/flexcop-sram.c index 185c285f70fc..d97962eb0112 100644 --- a/drivers/media/common/b2c2/flexcop-sram.c +++ b/drivers/media/common/b2c2/flexcop-sram.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-sram.c - functions for controlling the SRAM diff --git a/drivers/media/common/b2c2/flexcop.h b/drivers/media/common/b2c2/flexcop.h index 8942bdacbf61..911ece59ea02 100644 --- a/drivers/media/common/b2c2/flexcop.h +++ b/drivers/media/common/b2c2/flexcop.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop.h - private header file for all flexcop-chip-source files diff --git a/drivers/media/common/b2c2/flexcop_ibi_value_be.h b/drivers/media/common/b2c2/flexcop_ibi_value_be.h index 8f64bdbd72bb..c97a0d6d7b3a 100644 --- a/drivers/media/common/b2c2/flexcop_ibi_value_be.h +++ b/drivers/media/common/b2c2/flexcop_ibi_value_be.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * register descriptions * see flexcop.c for copyright information diff --git a/drivers/media/common/b2c2/flexcop_ibi_value_le.h b/drivers/media/common/b2c2/flexcop_ibi_value_le.h index c75830d7d942..5db3b46f21ee 100644 --- a/drivers/media/common/b2c2/flexcop_ibi_value_le.h +++ b/drivers/media/common/b2c2/flexcop_ibi_value_le.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * register descriptions * see flexcop.c for copyright information diff --git a/drivers/media/common/btcx-risc.h b/drivers/media/common/btcx-risc.h index 03583ef90506..76dc16f402b9 100644 --- a/drivers/media/common/btcx-risc.h +++ b/drivers/media/common/btcx-risc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* */ struct btcx_riscmem { diff --git a/drivers/media/common/cypress_firmware.h b/drivers/media/common/cypress_firmware.h index 1e4f27356205..0aa46e602b07 100644 --- a/drivers/media/common/cypress_firmware.h +++ b/drivers/media/common/cypress_firmware.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) * see dvb-usb-init.c for copyright information. diff --git a/drivers/media/common/saa7146/saa7146_i2c.c b/drivers/media/common/saa7146/saa7146_i2c.c index 75897f95e4b4..f9e099d812c8 100644 --- a/drivers/media/common/saa7146/saa7146_i2c.c +++ b/drivers/media/common/saa7146/saa7146_i2c.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <media/drv-intf/saa7146_vv.h> diff --git a/drivers/media/common/saa7146/saa7146_vbi.c b/drivers/media/common/saa7146/saa7146_vbi.c index d79e4d7ecd9f..371c6f8606de 100644 --- a/drivers/media/common/saa7146/saa7146_vbi.c +++ b/drivers/media/common/saa7146/saa7146_vbi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <media/drv-intf/saa7146_vv.h> static int vbi_pixel_to_capture = 720 * 2; diff --git a/drivers/media/common/siano/Makefile b/drivers/media/common/siano/Makefile index 4c0567f106b2..88e2b7ffc537 100644 --- a/drivers/media/common/siano/Makefile +++ b/drivers/media/common/siano/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 smsmdtv-objs := smscoreapi.o sms-cards.o smsendian.o smsdvb-objs := smsdvb-main.o diff --git a/drivers/media/dvb-core/Makefile b/drivers/media/dvb-core/Makefile index 281bc89576e6..47e2e391bfb8 100644 --- a/drivers/media/dvb-core/Makefile +++ b/drivers/media/dvb-core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel DVB device drivers. # diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h index 5b6041d462bc..54d7d8a48b18 100644 --- a/drivers/media/dvb-core/dvb-usb-ids.h +++ b/drivers/media/dvb-core/dvb-usb-ids.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* dvb-usb-ids.h is part of the DVB USB library. * * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) see diff --git a/drivers/media/dvb-core/dvb_ringbuffer.c b/drivers/media/dvb-core/dvb_ringbuffer.c index 2322af1b8742..53011629c9ad 100644 --- a/drivers/media/dvb-core/dvb_ringbuffer.c +++ b/drivers/media/dvb-core/dvb_ringbuffer.c @@ -66,12 +66,12 @@ ssize_t dvb_ringbuffer_free(struct dvb_ringbuffer *rbuf) { ssize_t free; - /* ACCESS_ONCE() to load read pointer on writer side + /* READ_ONCE() to load read pointer on writer side * this pairs with smp_store_release() in dvb_ringbuffer_read(), * dvb_ringbuffer_read_user(), dvb_ringbuffer_flush(), * or dvb_ringbuffer_reset() */ - free = ACCESS_ONCE(rbuf->pread) - rbuf->pwrite; + free = READ_ONCE(rbuf->pread) - rbuf->pwrite; if (free <= 0) free += rbuf->size; return free-1; @@ -143,7 +143,7 @@ ssize_t dvb_ringbuffer_read_user(struct dvb_ringbuffer *rbuf, u8 __user *buf, si todo -= split; /* smp_store_release() for read pointer update to ensure * that buf is not overwritten until read is complete, - * this pairs with ACCESS_ONCE() in dvb_ringbuffer_free() + * this pairs with READ_ONCE() in dvb_ringbuffer_free() */ smp_store_release(&rbuf->pread, 0); } @@ -168,7 +168,7 @@ void dvb_ringbuffer_read(struct dvb_ringbuffer *rbuf, u8 *buf, size_t len) todo -= split; /* smp_store_release() for read pointer update to ensure * that buf is not overwritten until read is complete, - * this pairs with ACCESS_ONCE() in dvb_ringbuffer_free() + * this pairs with READ_ONCE() in dvb_ringbuffer_free() */ smp_store_release(&rbuf->pread, 0); } diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile index f45f6a4a4371..d025eb373842 100644 --- a/drivers/media/dvb-frontends/Makefile +++ b/drivers/media/dvb-frontends/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel DVB frontend device drivers. # diff --git a/drivers/media/dvb-frontends/dib7000m.h b/drivers/media/dvb-frontends/dib7000m.h index 8f84dfa9bb58..df7ecb4314cd 100644 --- a/drivers/media/dvb-frontends/dib7000m.h +++ b/drivers/media/dvb-frontends/dib7000m.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DIB7000M_H #define DIB7000M_H diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h index 205fbbff632b..2e10b5ccce67 100644 --- a/drivers/media/dvb-frontends/dib7000p.h +++ b/drivers/media/dvb-frontends/dib7000p.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DIB7000P_H #define DIB7000P_H diff --git a/drivers/media/dvb-frontends/dib8000.h b/drivers/media/dvb-frontends/dib8000.h index 75cc8e47ec8f..b920fe769021 100644 --- a/drivers/media/dvb-frontends/dib8000.h +++ b/drivers/media/dvb-frontends/dib8000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DIB8000_H #define DIB8000_H diff --git a/drivers/media/dvb-frontends/dib9000.h b/drivers/media/dvb-frontends/dib9000.h index 40883b41e66b..bb03362ac7a3 100644 --- a/drivers/media/dvb-frontends/dib9000.h +++ b/drivers/media/dvb-frontends/dib9000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DIB9000_H #define DIB9000_H diff --git a/drivers/media/dvb-frontends/dibx000_common.h b/drivers/media/dvb-frontends/dibx000_common.h index 61f4152f24ee..8784af962eba 100644 --- a/drivers/media/dvb-frontends/dibx000_common.h +++ b/drivers/media/dvb-frontends/dibx000_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DIBX000_COMMON_H #define DIBX000_COMMON_H diff --git a/drivers/media/dvb-frontends/drxk.h b/drivers/media/dvb-frontends/drxk.h index a629897eb905..eb9bdc9f59c4 100644 --- a/drivers/media/dvb-frontends/drxk.h +++ b/drivers/media/dvb-frontends/drxk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DRXK_H_ #define _DRXK_H_ diff --git a/drivers/media/dvb-frontends/drxk_hard.h b/drivers/media/dvb-frontends/drxk_hard.h index 9ed88e014942..a850a876deee 100644 --- a/drivers/media/dvb-frontends/drxk_hard.h +++ b/drivers/media/dvb-frontends/drxk_hard.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include "drxk_map.h" #define DRXK_VERSION_MAJOR 0 diff --git a/drivers/media/dvb-frontends/drxk_map.h b/drivers/media/dvb-frontends/drxk_map.h index 761613f9fd5a..9234ef4fb68d 100644 --- a/drivers/media/dvb-frontends/drxk_map.h +++ b/drivers/media/dvb-frontends/drxk_map.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define AUD_COMM_EXEC__A 0x1000000 #define AUD_COMM_EXEC_STOP 0x0 #define FEC_COMM_EXEC__A 0x1C00000 diff --git a/drivers/media/dvb-frontends/dvb-pll.h b/drivers/media/dvb-frontends/dvb-pll.h index bf9602a88b6c..6aaa9c6bff9c 100644 --- a/drivers/media/dvb-frontends/dvb-pll.h +++ b/drivers/media/dvb-frontends/dvb-pll.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * descriptions + helper functions for simple dvb plls. */ diff --git a/drivers/media/dvb-frontends/nxt6000_priv.h b/drivers/media/dvb-frontends/nxt6000_priv.h index 0422e580038a..d317df02c8d7 100644 --- a/drivers/media/dvb-frontends/nxt6000_priv.h +++ b/drivers/media/dvb-frontends/nxt6000_priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Public Include File for DRV6000 users * (ie. NxtWave Communications - NXT6000 demodulator driver) diff --git a/drivers/media/dvb-frontends/si21xx.h b/drivers/media/dvb-frontends/si21xx.h index b1be62f1983a..43d480bb6ea2 100644 --- a/drivers/media/dvb-frontends/si21xx.h +++ b/drivers/media/dvb-frontends/si21xx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SI21XX_H #define SI21XX_H diff --git a/drivers/media/dvb-frontends/sp887x.h b/drivers/media/dvb-frontends/sp887x.h index 412f011e6dfd..a680cc22379c 100644 --- a/drivers/media/dvb-frontends/sp887x.h +++ b/drivers/media/dvb-frontends/sp887x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Driver for the Spase sp887x demodulator */ diff --git a/drivers/media/dvb-frontends/tda18271c2dd.h b/drivers/media/dvb-frontends/tda18271c2dd.h index e6ccf240f54c..289653db68e4 100644 --- a/drivers/media/dvb-frontends/tda18271c2dd.h +++ b/drivers/media/dvb-frontends/tda18271c2dd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _TDA18271C2DD_H_ #define _TDA18271C2DD_H_ diff --git a/drivers/media/dvb-frontends/tda18271c2dd_maps.h b/drivers/media/dvb-frontends/tda18271c2dd_maps.h index f3bca5c237d7..5f75516bc0cb 100644 --- a/drivers/media/dvb-frontends/tda18271c2dd_maps.h +++ b/drivers/media/dvb-frontends/tda18271c2dd_maps.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ enum HF_S { HF_None = 0, HF_B, HF_DK, HF_G, HF_I, HF_L, HF_L1, HF_MN, HF_FM_Radio, HF_AnalogMax, HF_DVBT_6MHZ, HF_DVBT_7MHZ, HF_DVBT_8MHZ, diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index c843c181dfb9..f104650d6000 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 msp3400-objs := msp3400-driver.o msp3400-kthreads.o obj-$(CONFIG_VIDEO_MSP3400) += msp3400.o diff --git a/drivers/media/i2c/msp3400-driver.h b/drivers/media/i2c/msp3400-driver.h index a8702aca187a..b6c7698bce5a 100644 --- a/drivers/media/i2c/msp3400-driver.h +++ b/drivers/media/i2c/msp3400-driver.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* */ diff --git a/drivers/media/i2c/soc_camera/Makefile b/drivers/media/i2c/soc_camera/Makefile index 78532a7fb8e2..faa2df8901d2 100644 --- a/drivers/media/i2c/soc_camera/Makefile +++ b/drivers/media/i2c/soc_camera/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SOC_CAMERA_IMX074) += imx074.o obj-$(CONFIG_SOC_CAMERA_MT9M001) += mt9m001.o obj-$(CONFIG_SOC_CAMERA_MT9T031) += mt9t031.o diff --git a/drivers/media/i2c/tea6415c.h b/drivers/media/i2c/tea6415c.h index 3a47d697536e..f43228207445 100644 --- a/drivers/media/i2c/tea6415c.h +++ b/drivers/media/i2c/tea6415c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INCLUDED_TEA6415C__ #define __INCLUDED_TEA6415C__ diff --git a/drivers/media/i2c/tea6420.h b/drivers/media/i2c/tea6420.h index 4aa3edb3e193..07f9d72a86bb 100644 --- a/drivers/media/i2c/tea6420.h +++ b/drivers/media/i2c/tea6420.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INCLUDED_TEA6420__ #define __INCLUDED_TEA6420__ diff --git a/drivers/media/mmc/Makefile b/drivers/media/mmc/Makefile index 31e297a202fb..e847aa82ae41 100644 --- a/drivers/media/mmc/Makefile +++ b/drivers/media/mmc/Makefile @@ -1 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += siano/ diff --git a/drivers/media/pci/Makefile b/drivers/media/pci/Makefile index a7e8af0f64a7..1ab759e9b1bb 100644 --- a/drivers/media/pci/Makefile +++ b/drivers/media/pci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel multimedia device drivers. # diff --git a/drivers/media/pci/b2c2/Makefile b/drivers/media/pci/b2c2/Makefile index b894320a5f21..35d6835ae43e 100644 --- a/drivers/media/pci/b2c2/Makefile +++ b/drivers/media/pci/b2c2/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifneq ($(CONFIG_DVB_B2C2_FLEXCOP_PCI),) b2c2-flexcop-pci-objs += flexcop-dma.o endif diff --git a/drivers/media/pci/b2c2/flexcop-dma.c b/drivers/media/pci/b2c2/flexcop-dma.c index 913dc97f8b49..f07610a1646d 100644 --- a/drivers/media/pci/b2c2/flexcop-dma.c +++ b/drivers/media/pci/b2c2/flexcop-dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-dma.c - configuring and controlling the DMA of the FlexCop diff --git a/drivers/media/pci/bt8xx/Makefile b/drivers/media/pci/bt8xx/Makefile index 2d4c3dd88be1..009f1dc1521f 100644 --- a/drivers/media/pci/bt8xx/Makefile +++ b/drivers/media/pci/bt8xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 bttv-objs := bttv-driver.o bttv-cards.o bttv-if.o \ bttv-risc.o bttv-vbi.o bttv-i2c.o bttv-gpio.o \ bttv-input.o bttv-audio-hook.o btcx-risc.o diff --git a/drivers/media/pci/bt8xx/btcx-risc.h b/drivers/media/pci/bt8xx/btcx-risc.h index 1ed7a000160a..dc774a64cd1f 100644 --- a/drivers/media/pci/bt8xx/btcx-risc.h +++ b/drivers/media/pci/bt8xx/btcx-risc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ struct btcx_riscmem { unsigned int size; __le32 *cpu; diff --git a/drivers/media/pci/bt8xx/bttv.h b/drivers/media/pci/bt8xx/bttv.h index 91301c3cad1e..eb67e362acf7 100644 --- a/drivers/media/pci/bt8xx/bttv.h +++ b/drivers/media/pci/bt8xx/bttv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * bttv - Bt848 frame grabber driver diff --git a/drivers/media/pci/bt8xx/dst_priv.h b/drivers/media/pci/bt8xx/dst_priv.h index 3974a4c6ebe7..a4319d41d141 100644 --- a/drivers/media/pci/bt8xx/dst_priv.h +++ b/drivers/media/pci/bt8xx/dst_priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * dst-bt878.h: part of the DST driver for the TwinHan DST Frontend * diff --git a/drivers/media/pci/cx18/Makefile b/drivers/media/pci/cx18/Makefile index d3ff1545c2c5..98914a40f6ac 100644 --- a/drivers/media/pci/cx18/Makefile +++ b/drivers/media/pci/cx18/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cx18-objs := cx18-driver.o cx18-cards.o cx18-i2c.o cx18-firmware.o cx18-gpio.o \ cx18-queue.o cx18-streams.o cx18-fileops.o cx18-ioctl.o cx18-controls.o \ cx18-mailbox.o cx18-vbi.o cx18-audio.o cx18-video.o cx18-irq.o \ diff --git a/drivers/media/pci/cx23885/Makefile b/drivers/media/pci/cx23885/Makefile index a2cbdcf15a8c..b8bf7806124b 100644 --- a/drivers/media/pci/cx23885/Makefile +++ b/drivers/media/pci/cx23885/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cx23885-objs := cx23885-cards.o cx23885-video.o cx23885-vbi.o \ cx23885-core.o cx23885-i2c.o cx23885-dvb.o cx23885-417.o \ cx23885-ioctl.o cx23885-ir.o cx23885-av.o cx23885-input.o \ diff --git a/drivers/media/pci/cx23885/cx23885-f300.h b/drivers/media/pci/cx23885/cx23885-f300.h index be14d7de7cd8..34aef3610aa9 100644 --- a/drivers/media/pci/cx23885/cx23885-f300.h +++ b/drivers/media/pci/cx23885/cx23885-f300.h @@ -1,2 +1,3 @@ +/* SPDX-License-Identifier: GPL-2.0 */ extern int f300_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage); diff --git a/drivers/media/pci/cx25821/Makefile b/drivers/media/pci/cx25821/Makefile index c8f8598a2b86..d14d65b1b042 100644 --- a/drivers/media/pci/cx25821/Makefile +++ b/drivers/media/pci/cx25821/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cx25821-y := cx25821-core.o cx25821-cards.o cx25821-i2c.o \ cx25821-gpio.o cx25821-medusa-video.o \ cx25821-video.o diff --git a/drivers/media/pci/cx88/Makefile b/drivers/media/pci/cx88/Makefile index d3679c3ee248..86646eee4e6b 100644 --- a/drivers/media/pci/cx88/Makefile +++ b/drivers/media/pci/cx88/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cx88xx-objs := cx88-cards.o cx88-core.o cx88-i2c.o cx88-tvaudio.o \ cx88-dsp.o cx88-input.o cx8800-objs := cx88-video.o cx88-vbi.o diff --git a/drivers/media/pci/cx88/cx88-vbi.c b/drivers/media/pci/cx88/cx88-vbi.c index 2d0ef19e6d65..c637679b01b2 100644 --- a/drivers/media/pci/cx88/cx88-vbi.c +++ b/drivers/media/pci/cx88/cx88-vbi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* */ diff --git a/drivers/media/pci/ddbridge/Makefile b/drivers/media/pci/ddbridge/Makefile index 09703312a3f1..7453b65104ff 100644 --- a/drivers/media/pci/ddbridge/Makefile +++ b/drivers/media/pci/ddbridge/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the ddbridge device driver # diff --git a/drivers/media/pci/ivtv/Makefile b/drivers/media/pci/ivtv/Makefile index 0eaa88298b7e..48f8a23f9a0f 100644 --- a/drivers/media/pci/ivtv/Makefile +++ b/drivers/media/pci/ivtv/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ivtv-objs := ivtv-routing.o ivtv-cards.o ivtv-controls.o \ ivtv-driver.o ivtv-fileops.o ivtv-firmware.o \ ivtv-gpio.o ivtv-i2c.o ivtv-ioctl.o ivtv-irq.o \ diff --git a/drivers/media/pci/mantis/Makefile b/drivers/media/pci/mantis/Makefile index f715051e4453..a684dc2ec79e 100644 --- a/drivers/media/pci/mantis/Makefile +++ b/drivers/media/pci/mantis/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 mantis_core-objs := mantis_ioc.o \ mantis_uart.o \ mantis_dma.o \ diff --git a/drivers/media/pci/netup_unidvb/Makefile b/drivers/media/pci/netup_unidvb/Makefile index ee6ae0501eae..07d3f1eb728b 100644 --- a/drivers/media/pci/netup_unidvb/Makefile +++ b/drivers/media/pci/netup_unidvb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 netup-unidvb-objs += netup_unidvb_core.o netup-unidvb-objs += netup_unidvb_i2c.o netup-unidvb-objs += netup_unidvb_ci.o diff --git a/drivers/media/pci/ngene/Makefile b/drivers/media/pci/ngene/Makefile index 5c0b5d6b9d69..dbdf284970f8 100644 --- a/drivers/media/pci/ngene/Makefile +++ b/drivers/media/pci/ngene/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the nGene device driver # diff --git a/drivers/media/pci/pt3/Makefile b/drivers/media/pci/pt3/Makefile index 396f146b1c18..aded8752ac2b 100644 --- a/drivers/media/pci/pt3/Makefile +++ b/drivers/media/pci/pt3/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 earth-pt3-objs += pt3.o pt3_i2c.o pt3_dma.o diff --git a/drivers/media/pci/saa7134/Makefile b/drivers/media/pci/saa7134/Makefile index 09c43da67588..dbaadddf4320 100644 --- a/drivers/media/pci/saa7134/Makefile +++ b/drivers/media/pci/saa7134/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 saa7134-y += saa7134-cards.o saa7134-core.o saa7134-i2c.o saa7134-y += saa7134-ts.o saa7134-tvaudio.o saa7134-vbi.o diff --git a/drivers/media/pci/saa7134/saa7134-reg.h b/drivers/media/pci/saa7134/saa7134-reg.h index b6ea6f4f9b6c..56b12641d733 100644 --- a/drivers/media/pci/saa7134/saa7134-reg.h +++ b/drivers/media/pci/saa7134/saa7134-reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * philips saa7134 registers diff --git a/drivers/media/pci/saa7164/Makefile b/drivers/media/pci/saa7164/Makefile index ba0e33a1ee24..3896bcdb99d2 100644 --- a/drivers/media/pci/saa7164/Makefile +++ b/drivers/media/pci/saa7164/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 saa7164-objs := saa7164-cards.o saa7164-core.o saa7164-i2c.o saa7164-dvb.o \ saa7164-fw.o saa7164-bus.o saa7164-cmd.o saa7164-api.o \ saa7164-buffer.o saa7164-encoder.o saa7164-vbi.o diff --git a/drivers/media/pci/smipcie/Makefile b/drivers/media/pci/smipcie/Makefile index 013bc3fe4294..6006aac3c41f 100644 --- a/drivers/media/pci/smipcie/Makefile +++ b/drivers/media/pci/smipcie/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 smipcie-objs := smipcie-main.o smipcie-ir.o diff --git a/drivers/media/pci/ttpci/Makefile b/drivers/media/pci/ttpci/Makefile index 3cf617737f7c..0b805339c123 100644 --- a/drivers/media/pci/ttpci/Makefile +++ b/drivers/media/pci/ttpci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel SAA7146 FULL TS DVB device driver # and the AV7110 DVB device driver diff --git a/drivers/media/pci/ttpci/av7110.h b/drivers/media/pci/ttpci/av7110.h index 347827925c14..cd09fd6e6548 100644 --- a/drivers/media/pci/ttpci/av7110.h +++ b/drivers/media/pci/ttpci/av7110.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AV7110_H_ #define _AV7110_H_ diff --git a/drivers/media/pci/ttpci/av7110_av.h b/drivers/media/pci/ttpci/av7110_av.h index f52276f47709..71bbd4391f57 100644 --- a/drivers/media/pci/ttpci/av7110_av.h +++ b/drivers/media/pci/ttpci/av7110_av.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AV7110_AV_H_ #define _AV7110_AV_H_ diff --git a/drivers/media/pci/ttpci/av7110_ca.h b/drivers/media/pci/ttpci/av7110_ca.h index 70ee855ece1b..a6e3f2955730 100644 --- a/drivers/media/pci/ttpci/av7110_ca.h +++ b/drivers/media/pci/ttpci/av7110_ca.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AV7110_CA_H_ #define _AV7110_CA_H_ diff --git a/drivers/media/pci/ttpci/av7110_hw.h b/drivers/media/pci/ttpci/av7110_hw.h index ccb148059406..6380d8950c69 100644 --- a/drivers/media/pci/ttpci/av7110_hw.h +++ b/drivers/media/pci/ttpci/av7110_hw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AV7110_HW_H_ #define _AV7110_HW_H_ diff --git a/drivers/media/pci/ttpci/av7110_ipack.c b/drivers/media/pci/ttpci/av7110_ipack.c index 699ef8b5b99a..5aff26574fe1 100644 --- a/drivers/media/pci/ttpci/av7110_ipack.c +++ b/drivers/media/pci/ttpci/av7110_ipack.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "dvb_filter.h" #include "av7110_ipack.h" #include <linux/string.h> /* for memcpy() */ diff --git a/drivers/media/pci/ttpci/av7110_ipack.h b/drivers/media/pci/ttpci/av7110_ipack.h index becf94d3fdfa..943ec899bb93 100644 --- a/drivers/media/pci/ttpci/av7110_ipack.h +++ b/drivers/media/pci/ttpci/av7110_ipack.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AV7110_IPACK_H_ #define _AV7110_IPACK_H_ diff --git a/drivers/media/pci/ttpci/budget.h b/drivers/media/pci/ttpci/budget.h index d5ae4438153e..fae83866b199 100644 --- a/drivers/media/pci/ttpci/budget.h +++ b/drivers/media/pci/ttpci/budget.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BUDGET_DVB__ #define __BUDGET_DVB__ diff --git a/drivers/media/pci/ttpci/dvb_filter.c b/drivers/media/pci/ttpci/dvb_filter.c index b67127b67d4e..8c2eca5dcdc9 100644 --- a/drivers/media/pci/ttpci/dvb_filter.c +++ b/drivers/media/pci/ttpci/dvb_filter.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/module.h> #include <linux/string.h> diff --git a/drivers/media/pci/tw5864/tw5864-util.c b/drivers/media/pci/tw5864/tw5864-util.c index 771eef235755..b9cebe9d1740 100644 --- a/drivers/media/pci/tw5864/tw5864-util.c +++ b/drivers/media/pci/tw5864/tw5864-util.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "tw5864.h" void tw5864_indir_writeb(struct tw5864_dev *dev, u16 addr, u8 data) diff --git a/drivers/media/pci/tw686x/tw686x-regs.h b/drivers/media/pci/tw686x/tw686x-regs.h index 15a956642ef4..8adacc928be1 100644 --- a/drivers/media/pci/tw686x/tw686x-regs.h +++ b/drivers/media/pci/tw686x/tw686x-regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* DMA controller registers */ #define REG8_1(a0) ((const u16[8]) { a0, a0 + 1, a0 + 2, a0 + 3, \ a0 + 4, a0 + 5, a0 + 6, a0 + 7}) diff --git a/drivers/media/pci/zoran/Makefile b/drivers/media/pci/zoran/Makefile index 44cc13352c88..21ac29a71458 100644 --- a/drivers/media/pci/zoran/Makefile +++ b/drivers/media/pci/zoran/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 zr36067-objs := zoran_procfs.o zoran_device.o \ zoran_driver.o zoran_card.o diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index c1ef946bf032..327f80a6f82c 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the video capture/playback device drivers. # diff --git a/drivers/media/platform/atmel/atmel-isc-regs.h b/drivers/media/platform/atmel/atmel-isc-regs.h index 6936ac467609..e6cef966dcbf 100644 --- a/drivers/media/platform/atmel/atmel-isc-regs.h +++ b/drivers/media/platform/atmel/atmel-isc-regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ATMEL_ISC_REGS_H #define __ATMEL_ISC_REGS_H diff --git a/drivers/media/platform/coda/trace.h b/drivers/media/platform/coda/trace.h index f20666a4aa89..ca671e315ad0 100644 --- a/drivers/media/platform/coda/trace.h +++ b/drivers/media/platform/coda/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM coda diff --git a/drivers/media/platform/davinci/Makefile b/drivers/media/platform/davinci/Makefile index d74d9eeb0e9e..05c45bf371aa 100644 --- a/drivers/media/platform/davinci/Makefile +++ b/drivers/media/platform/davinci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the davinci video device drivers. # diff --git a/drivers/media/platform/exynos4-is/Makefile b/drivers/media/platform/exynos4-is/Makefile index eed1b185d813..a5ab01c73b95 100644 --- a/drivers/media/platform/exynos4-is/Makefile +++ b/drivers/media/platform/exynos4-is/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 s5p-fimc-objs := fimc-core.o fimc-reg.o fimc-m2m.o fimc-capture.o media-dev.o exynos-fimc-lite-objs += fimc-lite-reg.o fimc-lite.o s5p-csis-objs := mipi-csis.o diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index b07a251e8857..7b7250b1cff8 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * The Marvell camera core. This device appears in a number of settings, * so it needs platform-specific support outside of the core. diff --git a/drivers/media/platform/marvell-ccic/mcam-core.h b/drivers/media/platform/marvell-ccic/mcam-core.h index beb339f5561f..ad8955f9f0a1 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.h +++ b/drivers/media/platform/marvell-ccic/mcam-core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Marvell camera core structures. * diff --git a/drivers/media/platform/mtk-mdp/Makefile b/drivers/media/platform/mtk-mdp/Makefile index f8025699af99..5982d65c9971 100644 --- a/drivers/media/platform/mtk-mdp/Makefile +++ b/drivers/media/platform/mtk-mdp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 mtk-mdp-y += mtk_mdp_core.o mtk-mdp-y += mtk_mdp_comp.o mtk-mdp-y += mtk_mdp_m2m.o diff --git a/drivers/media/platform/mtk-vcodec/Makefile b/drivers/media/platform/mtk-vcodec/Makefile index 852d9697ccfa..37b94b555fa1 100644 --- a/drivers/media/platform/mtk-vcodec/Makefile +++ b/drivers/media/platform/mtk-vcodec/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIDEO_MEDIATEK_VCODEC) += mtk-vcodec-dec.o \ mtk-vcodec-enc.o \ diff --git a/drivers/media/platform/omap3isp/Makefile b/drivers/media/platform/omap3isp/Makefile index 254975a9174e..56e99b4f7d23 100644 --- a/drivers/media/platform/omap3isp/Makefile +++ b/drivers/media/platform/omap3isp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for OMAP3 ISP driver ccflags-$(CONFIG_VIDEO_OMAP3_DEBUG) += -DDEBUG diff --git a/drivers/media/platform/qcom/venus/Makefile b/drivers/media/platform/qcom/venus/Makefile index 0fe9afb83697..bfd4edf7c83f 100644 --- a/drivers/media/platform/qcom/venus/Makefile +++ b/drivers/media/platform/qcom/venus/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for Qualcomm Venus driver venus-core-objs += core.o helpers.o firmware.o \ diff --git a/drivers/media/platform/s5p-mfc/Makefile b/drivers/media/platform/s5p-mfc/Makefile index 15f59b324fef..0b324af2ab00 100644 --- a/drivers/media/platform/s5p-mfc/Makefile +++ b/drivers/media/platform/s5p-mfc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIDEO_SAMSUNG_S5P_MFC) += s5p-mfc.o s5p-mfc-y += s5p_mfc.o s5p_mfc_intr.o s5p-mfc-y += s5p_mfc_dec.o s5p_mfc_enc.o diff --git a/drivers/media/platform/sti/c8sectpfe/Makefile b/drivers/media/platform/sti/c8sectpfe/Makefile index b578c7cb4c34..b642b4fd5045 100644 --- a/drivers/media/platform/sti/c8sectpfe/Makefile +++ b/drivers/media/platform/sti/c8sectpfe/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 c8sectpfe-y += c8sectpfe-core.o c8sectpfe-common.o c8sectpfe-dvb.o \ c8sectpfe-debugfs.o diff --git a/drivers/media/platform/ti-vpe/Makefile b/drivers/media/platform/ti-vpe/Makefile index 32504b724b5d..886ac5ec073f 100644 --- a/drivers/media/platform/ti-vpe/Makefile +++ b/drivers/media/platform/ti-vpe/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIDEO_TI_VPE) += ti-vpe.o obj-$(CONFIG_VIDEO_TI_VPDMA) += ti-vpdma.o obj-$(CONFIG_VIDEO_TI_SC) += ti-sc.o diff --git a/drivers/media/platform/via-camera.h b/drivers/media/platform/via-camera.h index b12a4b3d616f..2d67f8ce258d 100644 --- a/drivers/media/platform/via-camera.h +++ b/drivers/media/platform/via-camera.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * VIA Camera register definitions. */ diff --git a/drivers/media/platform/vimc/Makefile b/drivers/media/platform/vimc/Makefile index 68c5d9804c11..4b2e3de7856e 100644 --- a/drivers/media/platform/vimc/Makefile +++ b/drivers/media/platform/vimc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vimc-objs := vimc-core.o vimc_capture-objs := vimc-capture.o vimc_common-objs := vimc-common.o diff --git a/drivers/media/platform/vivid/Makefile b/drivers/media/platform/vivid/Makefile index 29738810e3ee..2f5762e3309a 100644 --- a/drivers/media/platform/vivid/Makefile +++ b/drivers/media/platform/vivid/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vivid-objs := vivid-core.o vivid-ctrls.o vivid-vid-common.o vivid-vbi-gen.o \ vivid-vid-cap.o vivid-vid-out.o vivid-kthread-cap.o vivid-kthread-out.o \ vivid-radio-rx.o vivid-radio-tx.o vivid-radio-common.o \ diff --git a/drivers/media/platform/vsp1/Makefile b/drivers/media/platform/vsp1/Makefile index a33afc385a48..f5cd6f0491cb 100644 --- a/drivers/media/platform/vsp1/Makefile +++ b/drivers/media/platform/vsp1/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vsp1-y := vsp1_drv.o vsp1_entity.o vsp1_pipe.o vsp1-y += vsp1_dl.o vsp1_drm.o vsp1_video.o vsp1-y += vsp1_rpf.o vsp1_rwpf.o vsp1_wpf.o diff --git a/drivers/media/radio/Makefile b/drivers/media/radio/Makefile index 120e791199b2..37e6e8255b57 100644 --- a/drivers/media/radio/Makefile +++ b/drivers/media/radio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel character device drivers. # diff --git a/drivers/media/radio/lm7000.h b/drivers/media/radio/lm7000.h index 139cd6b68824..adb217965620 100644 --- a/drivers/media/radio/lm7000.h +++ b/drivers/media/radio/lm7000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LM7000_H #define __LM7000_H diff --git a/drivers/media/rc/Makefile b/drivers/media/rc/Makefile index 9bc6a3980ed0..ab3d5a135453 100644 --- a/drivers/media/rc/Makefile +++ b/drivers/media/rc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rc-core-objs := rc-main.o rc-ir-raw.o obj-y += keymaps/ diff --git a/drivers/media/rc/img-ir/Makefile b/drivers/media/rc/img-ir/Makefile index 8e6d458e66ad..741fedc5dceb 100644 --- a/drivers/media/rc/img-ir/Makefile +++ b/drivers/media/rc/img-ir/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 img-ir-y := img-ir-core.o img-ir-$(CONFIG_IR_IMG_RAW) += img-ir-raw.o img-ir-$(CONFIG_IR_IMG_HW) += img-ir-hw.o diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile index af6496d709fb..2d0b26bf2051 100644 --- a/drivers/media/rc/keymaps/Makefile +++ b/drivers/media/rc/keymaps/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-alink-dtu-m.o \ rc-anysee.o \ diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile index 06a9ab65e5fa..7be96511532d 100644 --- a/drivers/media/tuners/Makefile +++ b/drivers/media/tuners/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for common V4L/DVB tuners # diff --git a/drivers/media/tuners/fc0011.h b/drivers/media/tuners/fc0011.h index 438cf897acd1..a36871c44c8c 100644 --- a/drivers/media/tuners/fc0011.h +++ b/drivers/media/tuners/fc0011.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_FC0011_H_ #define LINUX_FC0011_H_ diff --git a/drivers/media/tuners/mt2063.h b/drivers/media/tuners/mt2063.h index e55e0a6dd1be..0e3e3b0525bb 100644 --- a/drivers/media/tuners/mt2063.h +++ b/drivers/media/tuners/mt2063.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MT2063_H__ #define __MT2063_H__ diff --git a/drivers/media/usb/Makefile b/drivers/media/usb/Makefile index 738b993ec8b0..21e46b10caa5 100644 --- a/drivers/media/usb/Makefile +++ b/drivers/media/usb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the USB media device drivers # diff --git a/drivers/media/usb/as102/Makefile b/drivers/media/usb/as102/Makefile index 22f43eee4a3b..56bd2d00b920 100644 --- a/drivers/media/usb/as102/Makefile +++ b/drivers/media/usb/as102/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 dvb-as102-objs := as102_drv.o as102_fw.o as10x_cmd.o as10x_cmd_stream.o \ as102_usb_drv.o as10x_cmd_cfg.o diff --git a/drivers/media/usb/au0828/Makefile b/drivers/media/usb/au0828/Makefile index 3dc7539a5c4e..c06ef6601f2d 100644 --- a/drivers/media/usb/au0828/Makefile +++ b/drivers/media/usb/au0828/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 au0828-objs := au0828-core.o au0828-i2c.o au0828-cards.o au0828-dvb.o ifeq ($(CONFIG_VIDEO_AU0828_V4L2),y) diff --git a/drivers/media/usb/b2c2/flexcop-usb.h b/drivers/media/usb/b2c2/flexcop-usb.h index 25ad43166e78..e86faa0e06ca 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.h +++ b/drivers/media/usb/b2c2/flexcop-usb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III * flexcop-usb.h - header file for the USB part diff --git a/drivers/media/usb/cx231xx/Makefile b/drivers/media/usb/cx231xx/Makefile index 52cf76935e69..19e8c35d6a77 100644 --- a/drivers/media/usb/cx231xx/Makefile +++ b/drivers/media/usb/cx231xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cx231xx-y += cx231xx-video.o cx231xx-i2c.o cx231xx-cards.o cx231xx-core.o cx231xx-y += cx231xx-avcore.o cx231xx-417.o cx231xx-pcb-cfg.o cx231xx-vbi.o cx231xx-$(CONFIG_VIDEO_CX231XX_RC) += cx231xx-input.o diff --git a/drivers/media/usb/dvb-usb-v2/Makefile b/drivers/media/usb/dvb-usb-v2/Makefile index 969f68e55265..bed44601f324 100644 --- a/drivers/media/usb/dvb-usb-v2/Makefile +++ b/drivers/media/usb/dvb-usb-v2/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 dvb_usb_v2-objs := dvb_usb_core.o dvb_usb_urb.o usb_urb.o obj-$(CONFIG_DVB_USB_V2) += dvb_usb_v2.o diff --git a/drivers/media/usb/dvb-usb-v2/gl861.h b/drivers/media/usb/dvb-usb-v2/gl861.h index b0b80d87bb7e..b651b857e034 100644 --- a/drivers/media/usb/dvb-usb-v2/gl861.h +++ b/drivers/media/usb/dvb-usb-v2/gl861.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DVB_USB_GL861_H_ #define _DVB_USB_GL861_H_ diff --git a/drivers/media/usb/dvb-usb-v2/usb_urb.c b/drivers/media/usb/dvb-usb-v2/usb_urb.c index 55136cde38f5..dce2b97efce4 100644 --- a/drivers/media/usb/dvb-usb-v2/usb_urb.c +++ b/drivers/media/usb/dvb-usb-v2/usb_urb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* usb-urb.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/Makefile b/drivers/media/usb/dvb-usb/Makefile index 3b3f32b426d1..16de1e4f36a4 100644 --- a/drivers/media/usb/dvb-usb/Makefile +++ b/drivers/media/usb/dvb-usb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 dvb-usb-objs += dvb-usb-firmware.o dvb-usb-init.o dvb-usb-urb.o dvb-usb-i2c.o dvb-usb-objs += dvb-usb-dvb.o dvb-usb-remote.o usb-urb.o obj-$(CONFIG_DVB_USB) += dvb-usb.o diff --git a/drivers/media/usb/dvb-usb/af9005-script.h b/drivers/media/usb/dvb-usb/af9005-script.h index 4d69045426dd..870cb59cd904 100644 --- a/drivers/media/usb/dvb-usb/af9005-script.h +++ b/drivers/media/usb/dvb-usb/af9005-script.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* File automatically generated by createinit.py using data extracted from AF05BDA.sys (windows driver): diff --git a/drivers/media/usb/dvb-usb/az6027.h b/drivers/media/usb/dvb-usb/az6027.h index f3afe17f3f3d..95b056b36030 100644 --- a/drivers/media/usb/dvb-usb/az6027.h +++ b/drivers/media/usb/dvb-usb/az6027.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DVB_USB_VP6027_H_ #define _DVB_USB_VP6027_H_ diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h index 66429d7f69b5..88f9b9804b25 100644 --- a/drivers/media/usb/dvb-usb/cxusb.h +++ b/drivers/media/usb/dvb-usb/cxusb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DVB_USB_CXUSB_H_ #define _DVB_USB_CXUSB_H_ diff --git a/drivers/media/usb/dvb-usb/dib07x0.h b/drivers/media/usb/dvb-usb/dib07x0.h index 7e62c1018520..2e67f794fe37 100644 --- a/drivers/media/usb/dvb-usb/dib07x0.h +++ b/drivers/media/usb/dvb-usb/dib07x0.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DIB07X0_H_ #define _DIB07X0_H_ diff --git a/drivers/media/usb/dvb-usb/digitv.h b/drivers/media/usb/dvb-usb/digitv.h index 581e09c25491..2af9fedfad70 100644 --- a/drivers/media/usb/dvb-usb/digitv.h +++ b/drivers/media/usb/dvb-usb/digitv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DVB_USB_DIGITV_H_ #define _DVB_USB_DIGITV_H_ diff --git a/drivers/media/usb/dvb-usb/dvb-usb-common.h b/drivers/media/usb/dvb-usb/dvb-usb-common.h index 7e619d638809..8c51ac4493dd 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-common.h +++ b/drivers/media/usb/dvb-usb/dvb-usb-common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* dvb-usb-common.h is part of the DVB USB library. * * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c index e5675da286cb..3a66e732e0d8 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-dvb.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-dvb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* dvb-usb-dvb.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c index 04033efe7ad5..15c153e49382 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* dvb-usb-firmware.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-i2c.c b/drivers/media/usb/dvb-usb/dvb-usb-i2c.c index 4f0b0adce7f5..ca0b734e009b 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-i2c.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-i2c.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* dvb-usb-i2c.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-remote.c b/drivers/media/usb/dvb-usb/dvb-usb-remote.c index 0b03f9bd9c26..701c10835482 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-remote.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-remote.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* dvb-usb-remote.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dvb-usb-urb.c b/drivers/media/usb/dvb-usb/dvb-usb-urb.c index 95f9097498cb..c1b4e94a37f8 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-urb.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-urb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* dvb-usb-urb.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h index 72468fdffa18..6c7c4637530f 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb.h +++ b/drivers/media/usb/dvb-usb/dvb-usb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* dvb-usb.h is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/dw2102.h b/drivers/media/usb/dvb-usb/dw2102.h index 5cd0b0eb6ce1..f64cf79b7934 100644 --- a/drivers/media/usb/dvb-usb/dw2102.h +++ b/drivers/media/usb/dvb-usb/dw2102.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DW2102_H_ #define _DW2102_H_ diff --git a/drivers/media/usb/dvb-usb/m920x.h b/drivers/media/usb/dvb-usb/m920x.h index 3c061518ffc1..bab3c6ac7084 100644 --- a/drivers/media/usb/dvb-usb/m920x.h +++ b/drivers/media/usb/dvb-usb/m920x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DVB_USB_M920X_H_ #define _DVB_USB_M920X_H_ diff --git a/drivers/media/usb/dvb-usb/usb-urb.c b/drivers/media/usb/dvb-usb/usb-urb.c index 89173603be67..2804d2d0e83a 100644 --- a/drivers/media/usb/dvb-usb/usb-urb.c +++ b/drivers/media/usb/dvb-usb/usb-urb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* usb-urb.c is part of the DVB USB library. * * Copyright (C) 2004-6 Patrick Boettcher (patrick.boettcher@posteo.de) diff --git a/drivers/media/usb/dvb-usb/vp702x.h b/drivers/media/usb/dvb-usb/vp702x.h index 20b90055e7ac..18ad7ced2045 100644 --- a/drivers/media/usb/dvb-usb/vp702x.h +++ b/drivers/media/usb/dvb-usb/vp702x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DVB_USB_VP7021_H_ #define _DVB_USB_VP7021_H_ diff --git a/drivers/media/usb/em28xx/Makefile b/drivers/media/usb/em28xx/Makefile index 3f850d5063d0..86bfc35e2ed4 100644 --- a/drivers/media/usb/em28xx/Makefile +++ b/drivers/media/usb/em28xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 em28xx-y += em28xx-core.o em28xx-i2c.o em28xx-cards.o em28xx-camera.o em28xx-v4l-objs := em28xx-video.o em28xx-vbi.o diff --git a/drivers/media/usb/em28xx/em28xx-reg.h b/drivers/media/usb/em28xx/em28xx-reg.h index 747525ca7ed5..9e5cdfb25a73 100644 --- a/drivers/media/usb/em28xx/em28xx-reg.h +++ b/drivers/media/usb/em28xx/em28xx-reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define EM_GPIO_0 (1 << 0) #define EM_GPIO_1 (1 << 1) #define EM_GPIO_2 (1 << 2) diff --git a/drivers/media/usb/go7007/Makefile b/drivers/media/usb/go7007/Makefile index e99287c3b828..3d95bbc4192c 100644 --- a/drivers/media/usb/go7007/Makefile +++ b/drivers/media/usb/go7007/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIDEO_GO7007) += go7007.o obj-$(CONFIG_VIDEO_GO7007_USB) += go7007-usb.o obj-$(CONFIG_VIDEO_GO7007_LOADER) += go7007-loader.o diff --git a/drivers/media/usb/gspca/Makefile b/drivers/media/usb/gspca/Makefile index 9f5ccecb9c8a..3e3ecbffdf9f 100644 --- a/drivers/media/usb/gspca/Makefile +++ b/drivers/media/usb/gspca/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_USB_GSPCA) += gspca_main.o obj-$(CONFIG_USB_GSPCA_BENQ) += gspca_benq.o obj-$(CONFIG_USB_GSPCA_CONEX) += gspca_conex.o diff --git a/drivers/media/usb/gspca/gl860/Makefile b/drivers/media/usb/gspca/gl860/Makefile index cf6397415aad..7bcfa36f12ac 100644 --- a/drivers/media/usb/gspca/gl860/Makefile +++ b/drivers/media/usb/gspca/gl860/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_USB_GL860) += gspca_gl860.o gspca_gl860-objs := gl860.o \ diff --git a/drivers/media/usb/gspca/gspca.h b/drivers/media/usb/gspca/gspca.h index d39adf90303b..9e0cf711642b 100644 --- a/drivers/media/usb/gspca/gspca.h +++ b/drivers/media/usb/gspca/gspca.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef GSPCAV2_H #define GSPCAV2_H diff --git a/drivers/media/usb/gspca/m5602/Makefile b/drivers/media/usb/gspca/m5602/Makefile index 8e1fb5a1d2a1..95c9db6dc59c 100644 --- a/drivers/media/usb/gspca/m5602/Makefile +++ b/drivers/media/usb/gspca/m5602/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_USB_M5602) += gspca_m5602.o gspca_m5602-objs := m5602_core.o \ diff --git a/drivers/media/usb/gspca/stv06xx/Makefile b/drivers/media/usb/gspca/stv06xx/Makefile index 3a4b2f899049..c4d7206e0c92 100644 --- a/drivers/media/usb/gspca/stv06xx/Makefile +++ b/drivers/media/usb/gspca/stv06xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_USB_STV06XX) += gspca_stv06xx.o gspca_stv06xx-objs := stv06xx.o \ diff --git a/drivers/media/usb/pvrusb2/Makefile b/drivers/media/usb/pvrusb2/Makefile index ad705547bdce..0d84064036b2 100644 --- a/drivers/media/usb/pvrusb2/Makefile +++ b/drivers/media/usb/pvrusb2/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-pvrusb2-sysfs-$(CONFIG_VIDEO_PVRUSB2_SYSFS) := pvrusb2-sysfs.o obj-pvrusb2-debugifc-$(CONFIG_VIDEO_PVRUSB2_DEBUGIFC) := pvrusb2-debugifc.o obj-pvrusb2-dvb-$(CONFIG_VIDEO_PVRUSB2_DVB) := pvrusb2-dvb.o diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.h b/drivers/media/usb/pvrusb2/pvrusb2-dvb.h index 884ff916a352..b500c86d4178 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.h +++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PVRUSB2_DVB_H__ #define __PVRUSB2_DVB_H__ diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c index ad5b25b89699..8289ee482f49 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c @@ -330,10 +330,10 @@ static void pvr2_hdw_state_log_state(struct pvr2_hdw *); static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl); static int pvr2_hdw_commit_setup(struct pvr2_hdw *hdw); static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw); -static void pvr2_hdw_quiescent_timeout(unsigned long); -static void pvr2_hdw_decoder_stabilization_timeout(unsigned long); -static void pvr2_hdw_encoder_wait_timeout(unsigned long); -static void pvr2_hdw_encoder_run_timeout(unsigned long); +static void pvr2_hdw_quiescent_timeout(struct timer_list *); +static void pvr2_hdw_decoder_stabilization_timeout(struct timer_list *); +static void pvr2_hdw_encoder_wait_timeout(struct timer_list *); +static void pvr2_hdw_encoder_run_timeout(struct timer_list *); static int pvr2_issue_simple_cmd(struct pvr2_hdw *,u32); static int pvr2_send_request_ex(struct pvr2_hdw *hdw, unsigned int timeout,int probe_fl, @@ -2373,18 +2373,15 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf, } if (!hdw) goto fail; - setup_timer(&hdw->quiescent_timer, pvr2_hdw_quiescent_timeout, - (unsigned long)hdw); + timer_setup(&hdw->quiescent_timer, pvr2_hdw_quiescent_timeout, 0); - setup_timer(&hdw->decoder_stabilization_timer, - pvr2_hdw_decoder_stabilization_timeout, - (unsigned long)hdw); + timer_setup(&hdw->decoder_stabilization_timer, + pvr2_hdw_decoder_stabilization_timeout, 0); - setup_timer(&hdw->encoder_wait_timer, pvr2_hdw_encoder_wait_timeout, - (unsigned long)hdw); + timer_setup(&hdw->encoder_wait_timer, pvr2_hdw_encoder_wait_timeout, + 0); - setup_timer(&hdw->encoder_run_timer, pvr2_hdw_encoder_run_timeout, - (unsigned long)hdw); + timer_setup(&hdw->encoder_run_timer, pvr2_hdw_encoder_run_timeout, 0); hdw->master_state = PVR2_STATE_DEAD; @@ -3539,10 +3536,16 @@ static void pvr2_ctl_read_complete(struct urb *urb) complete(&hdw->ctl_done); } +struct hdw_timer { + struct timer_list timer; + struct pvr2_hdw *hdw; +}; -static void pvr2_ctl_timeout(unsigned long data) +static void pvr2_ctl_timeout(struct timer_list *t) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; + struct hdw_timer *timer = from_timer(timer, t, timer); + struct pvr2_hdw *hdw = timer->hdw; + if (hdw->ctl_write_pend_flag || hdw->ctl_read_pend_flag) { hdw->ctl_timeout_flag = !0; if (hdw->ctl_write_pend_flag) @@ -3564,7 +3567,10 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, { unsigned int idx; int status = 0; - struct timer_list timer; + struct hdw_timer timer = { + .hdw = hdw, + }; + if (!hdw->ctl_lock_held) { pvr2_trace(PVR2_TRACE_ERROR_LEGS, "Attempted to execute control transfer without lock!!"); @@ -3621,8 +3627,8 @@ static int pvr2_send_request_ex(struct pvr2_hdw *hdw, hdw->ctl_timeout_flag = 0; hdw->ctl_write_pend_flag = 0; hdw->ctl_read_pend_flag = 0; - setup_timer(&timer, pvr2_ctl_timeout, (unsigned long)hdw); - timer.expires = jiffies + timeout; + timer_setup_on_stack(&timer.timer, pvr2_ctl_timeout, 0); + timer.timer.expires = jiffies + timeout; if (write_len && write_data) { hdw->cmd_debug_state = 2; @@ -3677,7 +3683,7 @@ status); } /* Start timer */ - add_timer(&timer); + add_timer(&timer.timer); /* Now wait for all I/O to complete */ hdw->cmd_debug_state = 4; @@ -3687,7 +3693,7 @@ status); hdw->cmd_debug_state = 5; /* Stop timer */ - del_timer_sync(&timer); + del_timer_sync(&timer.timer); hdw->cmd_debug_state = 6; status = 0; @@ -3769,6 +3775,8 @@ status); if ((status < 0) && (!probe_fl)) { pvr2_hdw_render_useless(hdw); } + destroy_timer_on_stack(&timer.timer); + return status; } @@ -4366,9 +4374,9 @@ static int state_eval_encoder_run(struct pvr2_hdw *hdw) /* Timeout function for quiescent timer. */ -static void pvr2_hdw_quiescent_timeout(unsigned long data) +static void pvr2_hdw_quiescent_timeout(struct timer_list *t) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; + struct pvr2_hdw *hdw = from_timer(hdw, t, quiescent_timer); hdw->state_decoder_quiescent = !0; trace_stbit("state_decoder_quiescent",hdw->state_decoder_quiescent); hdw->state_stale = !0; @@ -4377,9 +4385,9 @@ static void pvr2_hdw_quiescent_timeout(unsigned long data) /* Timeout function for decoder stabilization timer. */ -static void pvr2_hdw_decoder_stabilization_timeout(unsigned long data) +static void pvr2_hdw_decoder_stabilization_timeout(struct timer_list *t) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; + struct pvr2_hdw *hdw = from_timer(hdw, t, decoder_stabilization_timer); hdw->state_decoder_ready = !0; trace_stbit("state_decoder_ready", hdw->state_decoder_ready); hdw->state_stale = !0; @@ -4388,9 +4396,9 @@ static void pvr2_hdw_decoder_stabilization_timeout(unsigned long data) /* Timeout function for encoder wait timer. */ -static void pvr2_hdw_encoder_wait_timeout(unsigned long data) +static void pvr2_hdw_encoder_wait_timeout(struct timer_list *t) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; + struct pvr2_hdw *hdw = from_timer(hdw, t, encoder_wait_timer); hdw->state_encoder_waitok = !0; trace_stbit("state_encoder_waitok",hdw->state_encoder_waitok); hdw->state_stale = !0; @@ -4399,9 +4407,9 @@ static void pvr2_hdw_encoder_wait_timeout(unsigned long data) /* Timeout function for encoder run timer. */ -static void pvr2_hdw_encoder_run_timeout(unsigned long data) +static void pvr2_hdw_encoder_run_timeout(struct timer_list *t) { - struct pvr2_hdw *hdw = (struct pvr2_hdw *)data; + struct pvr2_hdw *hdw = from_timer(hdw, t, encoder_run_timer); if (!hdw->state_encoder_runok) { hdw->state_encoder_runok = !0; trace_stbit("state_encoder_runok",hdw->state_encoder_runok); diff --git a/drivers/media/usb/pwc/pwc-nala.h b/drivers/media/usb/pwc/pwc-nala.h index 168c73ef75d8..0fe9d473f4e9 100644 --- a/drivers/media/usb/pwc/pwc-nala.h +++ b/drivers/media/usb/pwc/pwc-nala.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* SQCIF */ { {0, 0, {0x04, 0x01, 0x03}}, diff --git a/drivers/media/usb/stk1160/Makefile b/drivers/media/usb/stk1160/Makefile index 42d05463b353..613471528749 100644 --- a/drivers/media/usb/stk1160/Makefile +++ b/drivers/media/usb/stk1160/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 stk1160-y := stk1160-core.o \ stk1160-v4l.o \ stk1160-video.o \ diff --git a/drivers/media/usb/tm6000/Makefile b/drivers/media/usb/tm6000/Makefile index f2644933b8d1..05322a72e862 100644 --- a/drivers/media/usb/tm6000/Makefile +++ b/drivers/media/usb/tm6000/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 tm6000-y := tm6000-cards.o \ tm6000-core.o \ tm6000-i2c.o \ diff --git a/drivers/media/usb/usbvision/usbvision-cards.h b/drivers/media/usb/usbvision/usbvision-cards.h index a51cc1185cce..07ec83512743 100644 --- a/drivers/media/usb/usbvision/usbvision-cards.h +++ b/drivers/media/usb/usbvision/usbvision-cards.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define XANBOO 0 #define BELKIN_VIDEOBUS_II 1 #define BELKIN_VIDEOBUS 2 diff --git a/drivers/media/usb/uvc/Makefile b/drivers/media/usb/uvc/Makefile index c26d12fdb8f4..a4fe5b5d533f 100644 --- a/drivers/media/usb/uvc/Makefile +++ b/drivers/media/usb/uvc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 uvcvideo-objs := uvc_driver.o uvc_queue.o uvc_v4l2.o uvc_video.o uvc_ctrl.o \ uvc_status.o uvc_isight.o uvc_debugfs.o ifeq ($(CONFIG_MEDIA_CONTROLLER),y) diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h index 34c7ee6cc9e5..05398784d1c8 100644 --- a/drivers/media/usb/uvc/uvcvideo.h +++ b/drivers/media/usb/uvc/uvcvideo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _USB_VIDEO_H_ #define _USB_VIDEO_H_ diff --git a/drivers/media/v4l2-core/Makefile b/drivers/media/v4l2-core/Makefile index 098ad5fd5231..77303286aef7 100644 --- a/drivers/media/v4l2-core/Makefile +++ b/drivers/media/v4l2-core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the V4L2 core # diff --git a/drivers/media/v4l2-core/v4l2-trace.c b/drivers/media/v4l2-core/v4l2-trace.c index 7416010542c1..95f3b02e1f84 100644 --- a/drivers/media/v4l2-core/v4l2-trace.c +++ b/drivers/media/v4l2-core/v4l2-trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <media/v4l2-common.h> #include <media/v4l2-fh.h> #include <media/videobuf2-v4l2.h> diff --git a/drivers/media/v4l2-core/vb2-trace.c b/drivers/media/v4l2-core/vb2-trace.c index 61e74f5936b3..4c0f39d271f0 100644 --- a/drivers/media/v4l2-core/vb2-trace.c +++ b/drivers/media/v4l2-core/vb2-trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <media/videobuf2-core.h> #define CREATE_TRACE_POINTS diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile index e88097fbc085..470b93e3858d 100644 --- a/drivers/memory/Makefile +++ b/drivers/memory/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for memory devices # diff --git a/drivers/memory/tegra/Makefile b/drivers/memory/tegra/Makefile index c2cb671ffc4a..b44e8627a5e0 100644 --- a/drivers/memory/tegra/Makefile +++ b/drivers/memory/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 tegra-mc-y := mc.o tegra-mc-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30.o diff --git a/drivers/memstick/host/Makefile b/drivers/memstick/host/Makefile index 491c9557441d..1abaa03ee68c 100644 --- a/drivers/memstick/host/Makefile +++ b/drivers/memstick/host/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for MemoryStick host controller drivers # diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index 48db922075e2..bcdca9fbef51 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -59,6 +59,7 @@ struct jmb38x_ms_host { unsigned int block_pos; unsigned long timeout_jiffies; struct timer_list timer; + struct memstick_host *msh; struct memstick_request *req; unsigned char cmd_flags; unsigned char io_pos; @@ -592,10 +593,10 @@ static irqreturn_t jmb38x_ms_isr(int irq, void *dev_id) return IRQ_HANDLED; } -static void jmb38x_ms_abort(unsigned long data) +static void jmb38x_ms_abort(struct timer_list *t) { - struct memstick_host *msh = (struct memstick_host *)data; - struct jmb38x_ms_host *host = memstick_priv(msh); + struct jmb38x_ms_host *host = from_timer(host, t, timer); + struct memstick_host *msh = host->msh; unsigned long flags; dev_dbg(&host->chip->pdev->dev, "abort\n"); @@ -878,6 +879,7 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) return NULL; host = memstick_priv(msh); + host->msh = msh; host->chip = jm; host->addr = ioremap(pci_resource_start(jm->pdev, cnt), pci_resource_len(jm->pdev, cnt)); @@ -897,7 +899,7 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) msh->caps = MEMSTICK_CAP_PAR4 | MEMSTICK_CAP_PAR8; - setup_timer(&host->timer, jmb38x_ms_abort, (unsigned long)msh); + timer_setup(&host->timer, jmb38x_ms_abort, 0); if (!request_irq(host->irq, jmb38x_ms_isr, IRQF_SHARED, host->host_id, msh)) diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c index d5cfb503b9d6..627d6e62fe31 100644 --- a/drivers/memstick/host/r592.c +++ b/drivers/memstick/host/r592.c @@ -616,9 +616,9 @@ static void r592_update_card_detect(struct r592_device *dev) } /* Timer routine that fires 1 second after last card detection event, */ -static void r592_detect_timer(long unsigned int data) +static void r592_detect_timer(struct timer_list *t) { - struct r592_device *dev = (struct r592_device *)data; + struct r592_device *dev = from_timer(dev, t, detect_timer); r592_update_card_detect(dev); memstick_detect_change(dev->host); } @@ -770,8 +770,7 @@ static int r592_probe(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&dev->io_thread_lock); init_completion(&dev->dma_done); INIT_KFIFO(dev->pio_fifo); - setup_timer(&dev->detect_timer, - r592_detect_timer, (long unsigned int)dev); + timer_setup(&dev->detect_timer, r592_detect_timer, 0); /* Host initialization */ host->caps = MEMSTICK_CAP_PAR4; diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c index 7bafa72f8f57..bed205849d02 100644 --- a/drivers/memstick/host/tifm_ms.c +++ b/drivers/memstick/host/tifm_ms.c @@ -538,9 +538,9 @@ static int tifm_ms_set_param(struct memstick_host *msh, return 0; } -static void tifm_ms_abort(unsigned long data) +static void tifm_ms_abort(struct timer_list *t) { - struct tifm_ms *host = (struct tifm_ms *)data; + struct tifm_ms *host = from_timer(host, t, timer); dev_dbg(&host->dev->dev, "status %x\n", readl(host->dev->addr + SOCK_MS_STATUS)); @@ -575,7 +575,7 @@ static int tifm_ms_probe(struct tifm_dev *sock) host->dev = sock; host->timeout_jiffies = msecs_to_jiffies(1000); - setup_timer(&host->timer, tifm_ms_abort, (unsigned long)host); + timer_setup(&host->timer, tifm_ms_abort, 0); tasklet_init(&host->notify, tifm_ms_req_tasklet, (unsigned long)msh); msh->request = tifm_ms_submit_req; diff --git a/drivers/message/fusion/Makefile b/drivers/message/fusion/Makefile index d182a24b3195..e2d98b5c6f98 100644 --- a/drivers/message/fusion/Makefile +++ b/drivers/message/fusion/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Fusion MPT drivers; recognized debug defines... # enable verbose logging diff --git a/drivers/message/fusion/lsi/mpi.h b/drivers/message/fusion/lsi/mpi.h index 11c0f461320e..a575545d681f 100644 --- a/drivers/message/fusion/lsi/mpi.h +++ b/drivers/message/fusion/lsi/mpi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_cnfg.h b/drivers/message/fusion/lsi/mpi_cnfg.h index d9bcfba6b049..4e9c0ce94f27 100644 --- a/drivers/message/fusion/lsi/mpi_cnfg.h +++ b/drivers/message/fusion/lsi/mpi_cnfg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_fc.h b/drivers/message/fusion/lsi/mpi_fc.h index 7d663ce76f8c..bdea95e0cde2 100644 --- a/drivers/message/fusion/lsi/mpi_fc.h +++ b/drivers/message/fusion/lsi/mpi_fc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_init.h b/drivers/message/fusion/lsi/mpi_init.h index 4295d062caa7..bc6326ff2f22 100644 --- a/drivers/message/fusion/lsi/mpi_init.h +++ b/drivers/message/fusion/lsi/mpi_init.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_ioc.h b/drivers/message/fusion/lsi/mpi_ioc.h index 19fb21b8f0ce..c249f2994fc1 100644 --- a/drivers/message/fusion/lsi/mpi_ioc.h +++ b/drivers/message/fusion/lsi/mpi_ioc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_lan.h b/drivers/message/fusion/lsi/mpi_lan.h index f41fcb69b359..d06f9928684a 100644 --- a/drivers/message/fusion/lsi/mpi_lan.h +++ b/drivers/message/fusion/lsi/mpi_lan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_log_fc.h b/drivers/message/fusion/lsi/mpi_log_fc.h index 03be8b217709..f1e75dd5dd58 100644 --- a/drivers/message/fusion/lsi/mpi_log_fc.h +++ b/drivers/message/fusion/lsi/mpi_log_fc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. All rights reserved. * diff --git a/drivers/message/fusion/lsi/mpi_log_sas.h b/drivers/message/fusion/lsi/mpi_log_sas.h index f62960b5d527..27fe17a75eaa 100644 --- a/drivers/message/fusion/lsi/mpi_log_sas.h +++ b/drivers/message/fusion/lsi/mpi_log_sas.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*************************************************************************** * * * Copyright (c) 2000-2008 LSI Corporation. All rights reserved. * diff --git a/drivers/message/fusion/lsi/mpi_raid.h b/drivers/message/fusion/lsi/mpi_raid.h index add60cc85be1..36688a921ef2 100644 --- a/drivers/message/fusion/lsi/mpi_raid.h +++ b/drivers/message/fusion/lsi/mpi_raid.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2001-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_sas.h b/drivers/message/fusion/lsi/mpi_sas.h index ab410036bbfc..56013f288aaa 100644 --- a/drivers/message/fusion/lsi/mpi_sas.h +++ b/drivers/message/fusion/lsi/mpi_sas.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2004-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_targ.h b/drivers/message/fusion/lsi/mpi_targ.h index c3dea7f6909d..97e6eead6cb4 100644 --- a/drivers/message/fusion/lsi/mpi_targ.h +++ b/drivers/message/fusion/lsi/mpi_targ.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_tool.h b/drivers/message/fusion/lsi/mpi_tool.h index 53cd715aa7e4..b11456fb8277 100644 --- a/drivers/message/fusion/lsi/mpi_tool.h +++ b/drivers/message/fusion/lsi/mpi_tool.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2001-2008 LSI Corporation. * diff --git a/drivers/message/fusion/lsi/mpi_type.h b/drivers/message/fusion/lsi/mpi_type.h index 888b26dbc413..073e637cfdb4 100644 --- a/drivers/message/fusion/lsi/mpi_type.h +++ b/drivers/message/fusion/lsi/mpi_type.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (c) 2000-2008 LSI Corporation. * diff --git a/drivers/message/fusion/mptdebug.h b/drivers/message/fusion/mptdebug.h index 28e478879284..2205dcab0adb 100644 --- a/drivers/message/fusion/mptdebug.h +++ b/drivers/message/fusion/mptdebug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/drivers/message/fusion/mptdebug.h * For use with LSI PCI chip/adapter(s) diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index c3d0a1b39bb6..8703ff17998e 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for multifunction miscellaneous devices # diff --git a/drivers/mfd/twl-core.h b/drivers/mfd/twl-core.h index 6ff99dce714f..6f96c2009a9f 100644 --- a/drivers/mfd/twl-core.h +++ b/drivers/mfd/twl-core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __TWL_CORE_H__ #define __TWL_CORE_H__ diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 8136dc7e863d..f1a5c2357b14 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -393,16 +393,6 @@ config SPEAR13XX_PCIE_GADGET entry will be created for that controller. User can use these sysfs node to configure PCIe EP as per his requirements. -config TI_DAC7512 - tristate "Texas Instruments DAC7512" - depends on SPI && SYSFS - help - If you say yes here you get support for the Texas Instruments - DAC7512 16-bit digital-to-analog converter. - - This driver can also be built as a module. If so, the module - will be called ti_dac7512. - config VMWARE_BALLOON tristate "VMware Balloon Driver" depends on VMWARE_VMCI && X86 && HYPERVISOR_GUEST diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index d84819dc2468..5ca5f64df478 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for misc devices that really don't fit anywhere else. # @@ -30,7 +31,6 @@ obj-$(CONFIG_ISL29003) += isl29003.o obj-$(CONFIG_ISL29020) += isl29020.o obj-$(CONFIG_SENSORS_TSL2550) += tsl2550.o obj-$(CONFIG_DS1682) += ds1682.o -obj-$(CONFIG_TI_DAC7512) += ti_dac7512.o obj-$(CONFIG_C2PORT) += c2port/ obj-$(CONFIG_HMC6352) += hmc6352.o obj-y += eeprom/ diff --git a/drivers/misc/cxl/Makefile b/drivers/misc/cxl/Makefile index 0b5fd749d96d..502d41fc9ea5 100644 --- a/drivers/misc/cxl/Makefile +++ b/drivers/misc/cxl/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := $(call cc-disable-warning, unused-const-variable) ccflags-$(CONFIG_PPC_WERROR) += -Werror diff --git a/drivers/misc/cxl/flash.c b/drivers/misc/cxl/flash.c index 3aa216bf0939..43917898fb9a 100644 --- a/drivers/misc/cxl/flash.c +++ b/drivers/misc/cxl/flash.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/fs.h> #include <linux/semaphore.h> diff --git a/drivers/misc/eeprom/Makefile b/drivers/misc/eeprom/Makefile index 90a52624ddeb..2aab60ef3e3e 100644 --- a/drivers/misc/eeprom/Makefile +++ b/drivers/misc/eeprom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_EEPROM_AT24) += at24.o obj-$(CONFIG_EEPROM_AT25) += at25.o obj-$(CONFIG_EEPROM_LEGACY) += eeprom.o diff --git a/drivers/misc/ibmasm/Makefile b/drivers/misc/ibmasm/Makefile index 9e63ade5ffd6..1b9dd0f44411 100644 --- a/drivers/misc/ibmasm/Makefile +++ b/drivers/misc/ibmasm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IBM_ASM) := ibmasm.o diff --git a/drivers/misc/lkdtm.h b/drivers/misc/lkdtm.h index bfb6c45b6130..687a0dbbe199 100644 --- a/drivers/misc/lkdtm.h +++ b/drivers/misc/lkdtm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LKDTM_H #define __LKDTM_H diff --git a/drivers/misc/lkdtm_bugs.c b/drivers/misc/lkdtm_bugs.c index 9e0b4f959987..b0f7af872bb5 100644 --- a/drivers/misc/lkdtm_bugs.c +++ b/drivers/misc/lkdtm_bugs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This is for all the tests related to logic bugs (e.g. bad dereferences, * bad alignment, bad loops, bad locking, bad scheduling, deep stacks, and diff --git a/drivers/misc/lkdtm_core.c b/drivers/misc/lkdtm_core.c index 981b3ef71e47..ed7f0c61c59a 100644 --- a/drivers/misc/lkdtm_core.c +++ b/drivers/misc/lkdtm_core.c @@ -56,122 +56,54 @@ static ssize_t direct_entry(struct file *f, const char __user *user_buf, size_t count, loff_t *off); #ifdef CONFIG_KPROBES -static void lkdtm_handler(void); +static int lkdtm_kprobe_handler(struct kprobe *kp, struct pt_regs *regs); static ssize_t lkdtm_debugfs_entry(struct file *f, const char __user *user_buf, size_t count, loff_t *off); - - -/* jprobe entry point handlers. */ -static unsigned int jp_do_irq(unsigned int irq) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static irqreturn_t jp_handle_irq_event(unsigned int irq, - struct irqaction *action) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static void jp_tasklet_action(struct softirq_action *a) -{ - lkdtm_handler(); - jprobe_return(); -} - -static void jp_ll_rw_block(int rw, int nr, struct buffer_head *bhs[]) -{ - lkdtm_handler(); - jprobe_return(); -} - -struct scan_control; - -static unsigned long jp_shrink_inactive_list(unsigned long max_scan, - struct zone *zone, - struct scan_control *sc) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static int jp_hrtimer_start(struct hrtimer *timer, ktime_t tim, - const enum hrtimer_mode mode) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -static int jp_scsi_dispatch_cmd(struct scsi_cmnd *cmd) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} - -# ifdef CONFIG_IDE -static int jp_generic_ide_ioctl(ide_drive_t *drive, struct file *file, - struct block_device *bdev, unsigned int cmd, - unsigned long arg) -{ - lkdtm_handler(); - jprobe_return(); - return 0; -} -# endif +# define CRASHPOINT_KPROBE(_symbol) \ + .kprobe = { \ + .symbol_name = (_symbol), \ + .pre_handler = lkdtm_kprobe_handler, \ + }, +# define CRASHPOINT_WRITE(_symbol) \ + (_symbol) ? lkdtm_debugfs_entry : direct_entry +#else +# define CRASHPOINT_KPROBE(_symbol) +# define CRASHPOINT_WRITE(_symbol) direct_entry #endif /* Crash points */ struct crashpoint { const char *name; const struct file_operations fops; - struct jprobe jprobe; + struct kprobe kprobe; }; -#define CRASHPOINT(_name, _write, _symbol, _entry) \ +#define CRASHPOINT(_name, _symbol) \ { \ .name = _name, \ .fops = { \ .read = lkdtm_debugfs_read, \ .llseek = generic_file_llseek, \ .open = lkdtm_debugfs_open, \ - .write = _write, \ - }, \ - .jprobe = { \ - .kp.symbol_name = _symbol, \ - .entry = (kprobe_opcode_t *)_entry, \ + .write = CRASHPOINT_WRITE(_symbol) \ }, \ + CRASHPOINT_KPROBE(_symbol) \ } /* Define the possible places where we can trigger a crash point. */ -struct crashpoint crashpoints[] = { - CRASHPOINT("DIRECT", direct_entry, - NULL, NULL), +static struct crashpoint crashpoints[] = { + CRASHPOINT("DIRECT", NULL), #ifdef CONFIG_KPROBES - CRASHPOINT("INT_HARDWARE_ENTRY", lkdtm_debugfs_entry, - "do_IRQ", jp_do_irq), - CRASHPOINT("INT_HW_IRQ_EN", lkdtm_debugfs_entry, - "handle_IRQ_event", jp_handle_irq_event), - CRASHPOINT("INT_TASKLET_ENTRY", lkdtm_debugfs_entry, - "tasklet_action", jp_tasklet_action), - CRASHPOINT("FS_DEVRW", lkdtm_debugfs_entry, - "ll_rw_block", jp_ll_rw_block), - CRASHPOINT("MEM_SWAPOUT", lkdtm_debugfs_entry, - "shrink_inactive_list", jp_shrink_inactive_list), - CRASHPOINT("TIMERADD", lkdtm_debugfs_entry, - "hrtimer_start", jp_hrtimer_start), - CRASHPOINT("SCSI_DISPATCH_CMD", lkdtm_debugfs_entry, - "scsi_dispatch_cmd", jp_scsi_dispatch_cmd), + CRASHPOINT("INT_HARDWARE_ENTRY", "do_IRQ"), + CRASHPOINT("INT_HW_IRQ_EN", "handle_IRQ_event"), + CRASHPOINT("INT_TASKLET_ENTRY", "tasklet_action"), + CRASHPOINT("FS_DEVRW", "ll_rw_block"), + CRASHPOINT("MEM_SWAPOUT", "shrink_inactive_list"), + CRASHPOINT("TIMERADD", "hrtimer_start"), + CRASHPOINT("SCSI_DISPATCH_CMD", "scsi_dispatch_cmd"), # ifdef CONFIG_IDE - CRASHPOINT("IDE_CORE_CP", lkdtm_debugfs_entry, - "generic_ide_ioctl", jp_generic_ide_ioctl), + CRASHPOINT("IDE_CORE_CP", "generic_ide_ioctl"), # endif #endif }; @@ -254,8 +186,8 @@ struct crashtype crashtypes[] = { }; -/* Global jprobe entry and crashtype. */ -static struct jprobe *lkdtm_jprobe; +/* Global kprobe entry and crashtype. */ +static struct kprobe *lkdtm_kprobe; struct crashpoint *lkdtm_crashpoint; struct crashtype *lkdtm_crashtype; @@ -298,7 +230,8 @@ static struct crashtype *find_crashtype(const char *name) */ static noinline void lkdtm_do_action(struct crashtype *crashtype) { - BUG_ON(!crashtype || !crashtype->func); + if (WARN_ON(!crashtype || !crashtype->func)) + return; crashtype->func(); } @@ -308,22 +241,22 @@ static int lkdtm_register_cpoint(struct crashpoint *crashpoint, int ret; /* If this doesn't have a symbol, just call immediately. */ - if (!crashpoint->jprobe.kp.symbol_name) { + if (!crashpoint->kprobe.symbol_name) { lkdtm_do_action(crashtype); return 0; } - if (lkdtm_jprobe != NULL) - unregister_jprobe(lkdtm_jprobe); + if (lkdtm_kprobe != NULL) + unregister_kprobe(lkdtm_kprobe); lkdtm_crashpoint = crashpoint; lkdtm_crashtype = crashtype; - lkdtm_jprobe = &crashpoint->jprobe; - ret = register_jprobe(lkdtm_jprobe); + lkdtm_kprobe = &crashpoint->kprobe; + ret = register_kprobe(lkdtm_kprobe); if (ret < 0) { - pr_info("Couldn't register jprobe %s\n", - crashpoint->jprobe.kp.symbol_name); - lkdtm_jprobe = NULL; + pr_info("Couldn't register kprobe %s\n", + crashpoint->kprobe.symbol_name); + lkdtm_kprobe = NULL; lkdtm_crashpoint = NULL; lkdtm_crashtype = NULL; } @@ -336,13 +269,14 @@ static int lkdtm_register_cpoint(struct crashpoint *crashpoint, static int crash_count = DEFAULT_COUNT; static DEFINE_SPINLOCK(crash_count_lock); -/* Called by jprobe entry points. */ -static void lkdtm_handler(void) +/* Called by kprobe entry points. */ +static int lkdtm_kprobe_handler(struct kprobe *kp, struct pt_regs *regs) { unsigned long flags; bool do_it = false; - BUG_ON(!lkdtm_crashpoint || !lkdtm_crashtype); + if (WARN_ON(!lkdtm_crashpoint || !lkdtm_crashtype)) + return 0; spin_lock_irqsave(&crash_count_lock, flags); crash_count--; @@ -357,6 +291,8 @@ static void lkdtm_handler(void) if (do_it) lkdtm_do_action(lkdtm_crashtype); + + return 0; } static ssize_t lkdtm_debugfs_entry(struct file *f, @@ -556,8 +492,8 @@ static void __exit lkdtm_module_exit(void) /* Handle test-specific clean-up. */ lkdtm_usercopy_exit(); - if (lkdtm_jprobe != NULL) - unregister_jprobe(lkdtm_jprobe); + if (lkdtm_kprobe != NULL) + unregister_kprobe(lkdtm_kprobe); pr_info("Crash point unregistered\n"); } diff --git a/drivers/misc/lkdtm_heap.c b/drivers/misc/lkdtm_heap.c index ffb6aeac07b3..f5494a6d4be5 100644 --- a/drivers/misc/lkdtm_heap.c +++ b/drivers/misc/lkdtm_heap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This is for all the tests relating directly to heap memory, including * page allocation and slab allocations. diff --git a/drivers/misc/lkdtm_perms.c b/drivers/misc/lkdtm_perms.c index c7635a79341f..53b85c9d16b8 100644 --- a/drivers/misc/lkdtm_perms.c +++ b/drivers/misc/lkdtm_perms.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This is for all the tests related to validating kernel memory * permissions: non-executable regions, non-writable regions, and diff --git a/drivers/misc/lkdtm_rodata.c b/drivers/misc/lkdtm_rodata.c index 3564477b8c2d..58d180af72cf 100644 --- a/drivers/misc/lkdtm_rodata.c +++ b/drivers/misc/lkdtm_rodata.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This includes functions that are meant to live entirely in .rodata * (via objcopy tricks), to validate the non-executability of .rodata. diff --git a/drivers/misc/lkdtm_usercopy.c b/drivers/misc/lkdtm_usercopy.c index df6ac985fbb5..a64372cc148d 100644 --- a/drivers/misc/lkdtm_usercopy.c +++ b/drivers/misc/lkdtm_usercopy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This is for all the tests related to copy_to_user() and copy_from_user() * hardening. diff --git a/drivers/misc/mei/Makefile b/drivers/misc/mei/Makefile index 12cceb011a23..cd6825afa8e1 100644 --- a/drivers/misc/mei/Makefile +++ b/drivers/misc/mei/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - Intel Management Engine Interface (Intel MEI) Linux driver # Copyright (c) 2010-2014, Intel Corporation. diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index 78b3172c8e6e..f4f17552c9b8 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -225,7 +225,7 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * MEI requires to resume from runtime suspend mode * in order to perform link reset flow upon system suspend. */ - pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); /* * ME maps runtime suspend/resume to D0i states, diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c index 0566f9bfa7de..e1b909123fb0 100644 --- a/drivers/misc/mei/pci-txe.c +++ b/drivers/misc/mei/pci-txe.c @@ -141,7 +141,7 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * MEI requires to resume from runtime suspend mode * in order to perform link reset flow upon system suspend. */ - pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; + dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NEVER_SKIP); /* * TXE maps runtime suspend/resume to own power gating states, diff --git a/drivers/misc/mic/Makefile b/drivers/misc/mic/Makefile index f2b1323ff96c..1a43622b183f 100644 --- a/drivers/misc/mic/Makefile +++ b/drivers/misc/mic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - Intel MIC Linux driver. # Copyright(c) 2013, Intel Corporation. diff --git a/drivers/misc/mic/card/Makefile b/drivers/misc/mic/card/Makefile index 6e9675e12a09..921a7e7e0fbd 100644 --- a/drivers/misc/mic/card/Makefile +++ b/drivers/misc/mic/card/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - Intel MIC Linux driver. # Copyright(c) 2013, Intel Corporation. diff --git a/drivers/misc/mic/cosm/Makefile b/drivers/misc/mic/cosm/Makefile index b85d4d49df46..97d74cb12030 100644 --- a/drivers/misc/mic/cosm/Makefile +++ b/drivers/misc/mic/cosm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - Intel MIC Coprocessor State Management (COSM) Driver # Copyright(c) 2015, Intel Corporation. diff --git a/drivers/misc/mic/host/Makefile b/drivers/misc/mic/host/Makefile index f3b502333ded..25f153367980 100644 --- a/drivers/misc/mic/host/Makefile +++ b/drivers/misc/mic/host/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - Intel MIC Linux driver. # Copyright(c) 2013, Intel Corporation. diff --git a/drivers/misc/mic/scif/Makefile b/drivers/misc/mic/scif/Makefile index 29cfc3e51ac9..ff372555d118 100644 --- a/drivers/misc/mic/scif/Makefile +++ b/drivers/misc/mic/scif/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile - SCIF driver. # Copyright(c) 2014, Intel Corporation. diff --git a/drivers/misc/mic/scif/scif_rb.c b/drivers/misc/mic/scif/scif_rb.c index 637cc4686742..b665757ca89a 100644 --- a/drivers/misc/mic/scif/scif_rb.c +++ b/drivers/misc/mic/scif/scif_rb.c @@ -138,7 +138,7 @@ void scif_rb_commit(struct scif_rb *rb) * the read barrier in scif_rb_count(..) */ wmb(); - ACCESS_ONCE(*rb->write_ptr) = rb->current_write_offset; + WRITE_ONCE(*rb->write_ptr, rb->current_write_offset); #ifdef CONFIG_INTEL_MIC_CARD /* * X100 Si bug: For the case where a Core is performing an EXT_WR @@ -147,7 +147,7 @@ void scif_rb_commit(struct scif_rb *rb) * This way, if ordering is violated for the Interrupt Message, it will * fall just behind the first Posted associated with the first EXT_WR. */ - ACCESS_ONCE(*rb->write_ptr) = rb->current_write_offset; + WRITE_ONCE(*rb->write_ptr, rb->current_write_offset); #endif } @@ -210,7 +210,7 @@ void scif_rb_update_read_ptr(struct scif_rb *rb) * scif_rb_space(..) */ mb(); - ACCESS_ONCE(*rb->read_ptr) = new_offset; + WRITE_ONCE(*rb->read_ptr, new_offset); #ifdef CONFIG_INTEL_MIC_CARD /* * X100 Si Bug: For the case where a Core is performing an EXT_WR @@ -219,7 +219,7 @@ void scif_rb_update_read_ptr(struct scif_rb *rb) * This way, if ordering is violated for the Interrupt Message, it will * fall just behind the first Posted associated with the first EXT_WR. */ - ACCESS_ONCE(*rb->read_ptr) = new_offset; + WRITE_ONCE(*rb->read_ptr, new_offset); #endif } diff --git a/drivers/misc/mic/scif/scif_rma_list.c b/drivers/misc/mic/scif/scif_rma_list.c index e1ef8daedd5a..a036dbb4101e 100644 --- a/drivers/misc/mic/scif/scif_rma_list.c +++ b/drivers/misc/mic/scif/scif_rma_list.c @@ -277,7 +277,7 @@ retry: * Need to restart list traversal if there has been * an asynchronous list entry deletion. */ - if (ACCESS_ONCE(ep->rma_info.async_list_del)) + if (READ_ONCE(ep->rma_info.async_list_del)) goto retry; } mutex_unlock(&ep->rma_info.rma_lock); diff --git a/drivers/misc/sgi-xp/Makefile b/drivers/misc/sgi-xp/Makefile index 4fc40d8e1bcc..bbb622c19c06 100644 --- a/drivers/misc/sgi-xp/Makefile +++ b/drivers/misc/sgi-xp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for SGI's XP devices. # diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c index 7f327121e6d7..0c775d6fcf59 100644 --- a/drivers/misc/sgi-xp/xpc_main.c +++ b/drivers/misc/sgi-xp/xpc_main.c @@ -172,9 +172,9 @@ struct xpc_arch_operations xpc_arch_ops; * Timer function to enforce the timelimit on the partition disengage. */ static void -xpc_timeout_partition_disengage(unsigned long data) +xpc_timeout_partition_disengage(struct timer_list *t) { - struct xpc_partition *part = (struct xpc_partition *)data; + struct xpc_partition *part = from_timer(part, t, disengage_timer); DBUG_ON(time_is_after_jiffies(part->disengage_timeout)); @@ -190,7 +190,7 @@ xpc_timeout_partition_disengage(unsigned long data) * specify when the next timeout should occur. */ static void -xpc_hb_beater(unsigned long dummy) +xpc_hb_beater(struct timer_list *unused) { xpc_arch_ops.increment_heartbeat(); @@ -205,8 +205,7 @@ static void xpc_start_hb_beater(void) { xpc_arch_ops.heartbeat_init(); - init_timer(&xpc_hb_timer); - xpc_hb_timer.function = xpc_hb_beater; + timer_setup(&xpc_hb_timer, xpc_hb_beater, 0); xpc_hb_beater(0); } @@ -931,10 +930,8 @@ xpc_setup_partitions(void) part->act_state = XPC_P_AS_INACTIVE; XPC_SET_REASON(part, 0, 0); - init_timer(&part->disengage_timer); - part->disengage_timer.function = - xpc_timeout_partition_disengage; - part->disengage_timer.data = (unsigned long)part; + timer_setup(&part->disengage_timer, + xpc_timeout_partition_disengage, 0); part->setup_state = XPC_P_SS_UNSET; init_waitqueue_head(&part->teardown_wq); diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c index 7d71c04fc938..5a12d2a54049 100644 --- a/drivers/misc/sgi-xp/xpc_sn2.c +++ b/drivers/misc/sgi-xp/xpc_sn2.c @@ -323,16 +323,16 @@ xpc_handle_notify_IRQ_sn2(int irq, void *dev_id) * was received. */ static void -xpc_check_for_dropped_notify_IRQ_sn2(struct xpc_partition *part) +xpc_check_for_dropped_notify_IRQ_sn2(struct timer_list *t) { - struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2; + struct xpc_partition *part = + from_timer(part, t, sn.sn2.dropped_notify_IRQ_timer); if (xpc_part_ref(part)) { xpc_check_for_sent_chctl_flags_sn2(part); - part_sn2->dropped_notify_IRQ_timer.expires = jiffies + - XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL; - add_timer(&part_sn2->dropped_notify_IRQ_timer); + t->expires = jiffies + XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL; + add_timer(t); xpc_part_deref(part); } } @@ -1232,10 +1232,7 @@ xpc_setup_ch_structures_sn2(struct xpc_partition *part) /* Setup a timer to check for dropped notify IRQs */ timer = &part_sn2->dropped_notify_IRQ_timer; - init_timer(timer); - timer->function = - (void (*)(unsigned long))xpc_check_for_dropped_notify_IRQ_sn2; - timer->data = (unsigned long)part; + timer_setup(timer, xpc_check_for_dropped_notify_IRQ_sn2, 0); timer->expires = jiffies + XPC_DROPPED_NOTIFY_IRQ_WAIT_INTERVAL; add_timer(timer); diff --git a/drivers/misc/ti_dac7512.c b/drivers/misc/ti_dac7512.c deleted file mode 100644 index f5456fb7d773..000000000000 --- a/drivers/misc/ti_dac7512.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * dac7512.c - Linux kernel module for - * Texas Instruments DAC7512 - * - * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/spi/spi.h> -#include <linux/of.h> - -static ssize_t dac7512_store_val(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct spi_device *spi = to_spi_device(dev); - unsigned char tmp[2]; - unsigned long val; - int ret; - - ret = kstrtoul(buf, 10, &val); - if (ret) - return ret; - - tmp[0] = val >> 8; - tmp[1] = val & 0xff; - spi_write(spi, tmp, sizeof(tmp)); - return count; -} - -static DEVICE_ATTR(value, S_IWUSR, NULL, dac7512_store_val); - -static struct attribute *dac7512_attributes[] = { - &dev_attr_value.attr, - NULL -}; - -static const struct attribute_group dac7512_attr_group = { - .attrs = dac7512_attributes, -}; - -static int dac7512_probe(struct spi_device *spi) -{ - int ret; - - spi->bits_per_word = 8; - spi->mode = SPI_MODE_0; - ret = spi_setup(spi); - if (ret < 0) - return ret; - - return sysfs_create_group(&spi->dev.kobj, &dac7512_attr_group); -} - -static int dac7512_remove(struct spi_device *spi) -{ - sysfs_remove_group(&spi->dev.kobj, &dac7512_attr_group); - return 0; -} - -static const struct spi_device_id dac7512_id_table[] = { - { "dac7512", 0 }, - { } -}; -MODULE_DEVICE_TABLE(spi, dac7512_id_table); - -#ifdef CONFIG_OF -static const struct of_device_id dac7512_of_match[] = { - { .compatible = "ti,dac7512", }, - { } -}; -MODULE_DEVICE_TABLE(of, dac7512_of_match); -#endif - -static struct spi_driver dac7512_driver = { - .driver = { - .name = "dac7512", - .of_match_table = of_match_ptr(dac7512_of_match), - }, - .probe = dac7512_probe, - .remove = dac7512_remove, - .id_table = dac7512_id_table, -}; - -module_spi_driver(dac7512_driver); - -MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); -MODULE_DESCRIPTION("DAC7512 16-bit DAC"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index 1e688bfec567..9047c0a529b2 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -1271,7 +1271,7 @@ static int __init vmballoon_init(void) * Check if we are running on VMware's hypervisor and bail out * if we are not. */ - if (x86_hyper != &x86_hyper_vmware) + if (x86_hyper_type != X86_HYPER_VMWARE) return -ENODEV; for (is_2m_pages = 0; is_2m_pages < VMW_BALLOON_NUM_PAGE_SIZES; diff --git a/drivers/mmc/core/Makefile b/drivers/mmc/core/Makefile index 7e3ed1aeada2..abba078f7f49 100644 --- a/drivers/mmc/core/Makefile +++ b/drivers/mmc/core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel mmc core. # diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 2ad7b5c69156..ea80ff4cd7f9 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -28,6 +28,7 @@ #include <linux/hdreg.h> #include <linux/kdev_t.h> #include <linux/blkdev.h> +#include <linux/cdev.h> #include <linux/mutex.h> #include <linux/scatterlist.h> #include <linux/string_helpers.h> @@ -86,6 +87,7 @@ static int max_devices; #define MAX_DEVICES 256 static DEFINE_IDA(mmc_blk_ida); +static DEFINE_IDA(mmc_rpmb_ida); /* * There is one mmc_blk_data per slot. @@ -96,6 +98,7 @@ struct mmc_blk_data { struct gendisk *disk; struct mmc_queue queue; struct list_head part; + struct list_head rpmbs; unsigned int flags; #define MMC_BLK_CMD23 (1 << 0) /* Can do SET_BLOCK_COUNT for multiblock */ @@ -121,6 +124,32 @@ struct mmc_blk_data { int area_type; }; +/* Device type for RPMB character devices */ +static dev_t mmc_rpmb_devt; + +/* Bus type for RPMB character devices */ +static struct bus_type mmc_rpmb_bus_type = { + .name = "mmc_rpmb", +}; + +/** + * struct mmc_rpmb_data - special RPMB device type for these areas + * @dev: the device for the RPMB area + * @chrdev: character device for the RPMB area + * @id: unique device ID number + * @part_index: partition index (0 on first) + * @md: parent MMC block device + * @node: list item, so we can put this device on a list + */ +struct mmc_rpmb_data { + struct device dev; + struct cdev chrdev; + int id; + unsigned int part_index; + struct mmc_blk_data *md; + struct list_head node; +}; + static DEFINE_MUTEX(open_lock); module_param(perdev_minors, int, 0444); @@ -299,6 +328,7 @@ struct mmc_blk_ioc_data { struct mmc_ioc_cmd ic; unsigned char *buf; u64 buf_bytes; + struct mmc_rpmb_data *rpmb; }; static struct mmc_blk_ioc_data *mmc_blk_ioctl_copy_from_user( @@ -437,14 +467,25 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, struct mmc_request mrq = {}; struct scatterlist sg; int err; - bool is_rpmb = false; + unsigned int target_part; u32 status = 0; if (!card || !md || !idata) return -EINVAL; - if (md->area_type & MMC_BLK_DATA_AREA_RPMB) - is_rpmb = true; + /* + * The RPMB accesses comes in from the character device, so we + * need to target these explicitly. Else we just target the + * partition type for the block device the ioctl() was issued + * on. + */ + if (idata->rpmb) { + /* Support multiple RPMB partitions */ + target_part = idata->rpmb->part_index; + target_part |= EXT_CSD_PART_CONFIG_ACC_RPMB; + } else { + target_part = md->part_type; + } cmd.opcode = idata->ic.opcode; cmd.arg = idata->ic.arg; @@ -488,7 +529,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, mrq.cmd = &cmd; - err = mmc_blk_part_switch(card, md->part_type); + err = mmc_blk_part_switch(card, target_part); if (err) return err; @@ -498,7 +539,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, return err; } - if (is_rpmb) { + if (idata->rpmb) { err = mmc_set_blockcount(card, data.blocks, idata->ic.write_flag & (1 << 31)); if (err) @@ -538,7 +579,7 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, memcpy(&(idata->ic.response), cmd.resp, sizeof(cmd.resp)); - if (is_rpmb) { + if (idata->rpmb) { /* * Ensure RPMB command has completed by polling CMD13 * "Send Status". @@ -554,7 +595,8 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, } static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md, - struct mmc_ioc_cmd __user *ic_ptr) + struct mmc_ioc_cmd __user *ic_ptr, + struct mmc_rpmb_data *rpmb) { struct mmc_blk_ioc_data *idata; struct mmc_blk_ioc_data *idatas[1]; @@ -566,6 +608,8 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md, idata = mmc_blk_ioctl_copy_from_user(ic_ptr); if (IS_ERR(idata)) return PTR_ERR(idata); + /* This will be NULL on non-RPMB ioctl():s */ + idata->rpmb = rpmb; card = md->queue.card; if (IS_ERR(card)) { @@ -581,7 +625,8 @@ static int mmc_blk_ioctl_cmd(struct mmc_blk_data *md, idata->ic.write_flag ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, __GFP_RECLAIM); idatas[0] = idata; - req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_IOCTL; + req_to_mmc_queue_req(req)->drv_op = + rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL; req_to_mmc_queue_req(req)->drv_op_data = idatas; req_to_mmc_queue_req(req)->ioc_count = 1; blk_execute_rq(mq->queue, NULL, req, 0); @@ -596,7 +641,8 @@ cmd_done: } static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md, - struct mmc_ioc_multi_cmd __user *user) + struct mmc_ioc_multi_cmd __user *user, + struct mmc_rpmb_data *rpmb) { struct mmc_blk_ioc_data **idata = NULL; struct mmc_ioc_cmd __user *cmds = user->cmds; @@ -627,6 +673,8 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md, num_of_cmds = i; goto cmd_err; } + /* This will be NULL on non-RPMB ioctl():s */ + idata[i]->rpmb = rpmb; } card = md->queue.card; @@ -643,7 +691,8 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md, req = blk_get_request(mq->queue, idata[0]->ic.write_flag ? REQ_OP_DRV_OUT : REQ_OP_DRV_IN, __GFP_RECLAIM); - req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_IOCTL; + req_to_mmc_queue_req(req)->drv_op = + rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL; req_to_mmc_queue_req(req)->drv_op_data = idata; req_to_mmc_queue_req(req)->ioc_count = num_of_cmds; blk_execute_rq(mq->queue, NULL, req, 0); @@ -691,7 +740,8 @@ static int mmc_blk_ioctl(struct block_device *bdev, fmode_t mode, if (!md) return -EINVAL; ret = mmc_blk_ioctl_cmd(md, - (struct mmc_ioc_cmd __user *)arg); + (struct mmc_ioc_cmd __user *)arg, + NULL); mmc_blk_put(md); return ret; case MMC_IOC_MULTI_CMD: @@ -702,7 +752,8 @@ static int mmc_blk_ioctl(struct block_device *bdev, fmode_t mode, if (!md) return -EINVAL; ret = mmc_blk_ioctl_multi_cmd(md, - (struct mmc_ioc_multi_cmd __user *)arg); + (struct mmc_ioc_multi_cmd __user *)arg, + NULL); mmc_blk_put(md); return ret; default: @@ -1152,18 +1203,6 @@ static inline void mmc_blk_reset_success(struct mmc_blk_data *md, int type) md->reset_done &= ~type; } -int mmc_access_rpmb(struct mmc_queue *mq) -{ - struct mmc_blk_data *md = mq->blkdata; - /* - * If this is a RPMB partition access, return ture - */ - if (md && md->part_type == EXT_CSD_PART_CONFIG_ACC_RPMB) - return true; - - return false; -} - /* * The non-block commands come back from the block layer after it queued it and * processed it with all other requests and then they get issued in this @@ -1174,17 +1213,19 @@ static void mmc_blk_issue_drv_op(struct mmc_queue *mq, struct request *req) struct mmc_queue_req *mq_rq; struct mmc_card *card = mq->card; struct mmc_blk_data *md = mq->blkdata; - struct mmc_blk_data *main_md = dev_get_drvdata(&card->dev); struct mmc_blk_ioc_data **idata; + bool rpmb_ioctl; u8 **ext_csd; u32 status; int ret; int i; mq_rq = req_to_mmc_queue_req(req); + rpmb_ioctl = (mq_rq->drv_op == MMC_DRV_OP_IOCTL_RPMB); switch (mq_rq->drv_op) { case MMC_DRV_OP_IOCTL: + case MMC_DRV_OP_IOCTL_RPMB: idata = mq_rq->drv_op_data; for (i = 0, ret = 0; i < mq_rq->ioc_count; i++) { ret = __mmc_blk_ioctl_cmd(card, md, idata[i]); @@ -1192,8 +1233,8 @@ static void mmc_blk_issue_drv_op(struct mmc_queue *mq, struct request *req) break; } /* Always switch back to main area after RPMB access */ - if (md->area_type & MMC_BLK_DATA_AREA_RPMB) - mmc_blk_part_switch(card, main_md->part_type); + if (rpmb_ioctl) + mmc_blk_part_switch(card, 0); break; case MMC_DRV_OP_BOOT_WP: ret = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_WP, @@ -1534,25 +1575,27 @@ static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card, } static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, - int disable_multi, bool *do_rel_wr, - bool *do_data_tag) + int disable_multi, bool *do_rel_wr_p, + bool *do_data_tag_p) { struct mmc_blk_data *md = mq->blkdata; struct mmc_card *card = md->queue.card; struct mmc_blk_request *brq = &mqrq->brq; struct request *req = mmc_queue_req_to_req(mqrq); + bool do_rel_wr, do_data_tag; /* * Reliable writes are used to implement Forced Unit Access and * are supported only on MMCs. */ - *do_rel_wr = (req->cmd_flags & REQ_FUA) && - rq_data_dir(req) == WRITE && - (md->flags & MMC_BLK_REL_WR); + do_rel_wr = (req->cmd_flags & REQ_FUA) && + rq_data_dir(req) == WRITE && + (md->flags & MMC_BLK_REL_WR); memset(brq, 0, sizeof(struct mmc_blk_request)); brq->mrq.data = &brq->data; + brq->mrq.tag = req->tag; brq->stop.opcode = MMC_STOP_TRANSMISSION; brq->stop.arg = 0; @@ -1567,6 +1610,14 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, brq->data.blksz = 512; brq->data.blocks = blk_rq_sectors(req); + brq->data.blk_addr = blk_rq_pos(req); + + /* + * The command queue supports 2 priorities: "high" (1) and "simple" (0). + * The eMMC will give "high" priority tasks priority over "simple" + * priority tasks. Here we always set "simple" priority by not setting + * MMC_DATA_PRIO. + */ /* * The block layer doesn't support all sector count @@ -1596,18 +1647,23 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, brq->data.blocks); } - if (*do_rel_wr) + if (do_rel_wr) { mmc_apply_rel_rw(brq, card, req); + brq->data.flags |= MMC_DATA_REL_WR; + } /* * Data tag is used only during writing meta data to speed * up write and any subsequent read of this meta data */ - *do_data_tag = card->ext_csd.data_tag_unit_size && - (req->cmd_flags & REQ_META) && - (rq_data_dir(req) == WRITE) && - ((brq->data.blocks * brq->data.blksz) >= - card->ext_csd.data_tag_unit_size); + do_data_tag = card->ext_csd.data_tag_unit_size && + (req->cmd_flags & REQ_META) && + (rq_data_dir(req) == WRITE) && + ((brq->data.blocks * brq->data.blksz) >= + card->ext_csd.data_tag_unit_size); + + if (do_data_tag) + brq->data.flags |= MMC_DATA_DAT_TAG; mmc_set_data_timeout(&brq->data, card); @@ -1634,6 +1690,12 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq, } mqrq->areq.mrq = &brq->mrq; + + if (do_rel_wr_p) + *do_rel_wr_p = do_rel_wr; + + if (do_data_tag_p) + *do_data_tag_p = do_data_tag; } static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, @@ -1948,7 +2010,7 @@ void mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) if (req && !mq->qcnt) /* claim host only for the first request */ - mmc_get_card(card); + mmc_get_card(card, NULL); ret = mmc_blk_part_switch(card, md->part_type); if (ret) { @@ -2011,7 +2073,7 @@ void mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) out: if (!mq->qcnt) - mmc_put_card(card); + mmc_put_card(card, NULL); } static inline int mmc_blk_readonly(struct mmc_card *card) @@ -2068,6 +2130,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, spin_lock_init(&md->lock); INIT_LIST_HEAD(&md->part); + INIT_LIST_HEAD(&md->rpmbs); md->usage = 1; ret = mmc_init_queue(&md->queue, card, &md->lock, subname); @@ -2186,6 +2249,158 @@ static int mmc_blk_alloc_part(struct mmc_card *card, return 0; } +/** + * mmc_rpmb_ioctl() - ioctl handler for the RPMB chardev + * @filp: the character device file + * @cmd: the ioctl() command + * @arg: the argument from userspace + * + * This will essentially just redirect the ioctl()s coming in over to + * the main block device spawning the RPMB character device. + */ +static long mmc_rpmb_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct mmc_rpmb_data *rpmb = filp->private_data; + int ret; + + switch (cmd) { + case MMC_IOC_CMD: + ret = mmc_blk_ioctl_cmd(rpmb->md, + (struct mmc_ioc_cmd __user *)arg, + rpmb); + break; + case MMC_IOC_MULTI_CMD: + ret = mmc_blk_ioctl_multi_cmd(rpmb->md, + (struct mmc_ioc_multi_cmd __user *)arg, + rpmb); + break; + default: + ret = -EINVAL; + break; + } + + return 0; +} + +#ifdef CONFIG_COMPAT +static long mmc_rpmb_ioctl_compat(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + return mmc_rpmb_ioctl(filp, cmd, (unsigned long)compat_ptr(arg)); +} +#endif + +static int mmc_rpmb_chrdev_open(struct inode *inode, struct file *filp) +{ + struct mmc_rpmb_data *rpmb = container_of(inode->i_cdev, + struct mmc_rpmb_data, chrdev); + + get_device(&rpmb->dev); + filp->private_data = rpmb; + mmc_blk_get(rpmb->md->disk); + + return nonseekable_open(inode, filp); +} + +static int mmc_rpmb_chrdev_release(struct inode *inode, struct file *filp) +{ + struct mmc_rpmb_data *rpmb = container_of(inode->i_cdev, + struct mmc_rpmb_data, chrdev); + + put_device(&rpmb->dev); + mmc_blk_put(rpmb->md); + + return 0; +} + +static const struct file_operations mmc_rpmb_fileops = { + .release = mmc_rpmb_chrdev_release, + .open = mmc_rpmb_chrdev_open, + .owner = THIS_MODULE, + .llseek = no_llseek, + .unlocked_ioctl = mmc_rpmb_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = mmc_rpmb_ioctl_compat, +#endif +}; + +static void mmc_blk_rpmb_device_release(struct device *dev) +{ + struct mmc_rpmb_data *rpmb = dev_get_drvdata(dev); + + ida_simple_remove(&mmc_rpmb_ida, rpmb->id); + kfree(rpmb); +} + +static int mmc_blk_alloc_rpmb_part(struct mmc_card *card, + struct mmc_blk_data *md, + unsigned int part_index, + sector_t size, + const char *subname) +{ + int devidx, ret; + char rpmb_name[DISK_NAME_LEN]; + char cap_str[10]; + struct mmc_rpmb_data *rpmb; + + /* This creates the minor number for the RPMB char device */ + devidx = ida_simple_get(&mmc_rpmb_ida, 0, max_devices, GFP_KERNEL); + if (devidx < 0) + return devidx; + + rpmb = kzalloc(sizeof(*rpmb), GFP_KERNEL); + if (!rpmb) { + ida_simple_remove(&mmc_rpmb_ida, devidx); + return -ENOMEM; + } + + snprintf(rpmb_name, sizeof(rpmb_name), + "mmcblk%u%s", card->host->index, subname ? subname : ""); + + rpmb->id = devidx; + rpmb->part_index = part_index; + rpmb->dev.init_name = rpmb_name; + rpmb->dev.bus = &mmc_rpmb_bus_type; + rpmb->dev.devt = MKDEV(MAJOR(mmc_rpmb_devt), rpmb->id); + rpmb->dev.parent = &card->dev; + rpmb->dev.release = mmc_blk_rpmb_device_release; + device_initialize(&rpmb->dev); + dev_set_drvdata(&rpmb->dev, rpmb); + rpmb->md = md; + + cdev_init(&rpmb->chrdev, &mmc_rpmb_fileops); + rpmb->chrdev.owner = THIS_MODULE; + ret = cdev_device_add(&rpmb->chrdev, &rpmb->dev); + if (ret) { + pr_err("%s: could not add character device\n", rpmb_name); + goto out_put_device; + } + + list_add(&rpmb->node, &md->rpmbs); + + string_get_size((u64)size, 512, STRING_UNITS_2, + cap_str, sizeof(cap_str)); + + pr_info("%s: %s %s partition %u %s, chardev (%d:%d)\n", + rpmb_name, mmc_card_id(card), + mmc_card_name(card), EXT_CSD_PART_CONFIG_ACC_RPMB, cap_str, + MAJOR(mmc_rpmb_devt), rpmb->id); + + return 0; + +out_put_device: + put_device(&rpmb->dev); + return ret; +} + +static void mmc_blk_remove_rpmb_part(struct mmc_rpmb_data *rpmb) + +{ + cdev_device_del(&rpmb->chrdev, &rpmb->dev); + put_device(&rpmb->dev); +} + /* MMC Physical partitions consist of two boot partitions and * up to four general purpose partitions. * For each partition enabled in EXT_CSD a block device will be allocatedi @@ -2194,13 +2409,26 @@ static int mmc_blk_alloc_part(struct mmc_card *card, static int mmc_blk_alloc_parts(struct mmc_card *card, struct mmc_blk_data *md) { - int idx, ret = 0; + int idx, ret; if (!mmc_card_mmc(card)) return 0; for (idx = 0; idx < card->nr_parts; idx++) { - if (card->part[idx].size) { + if (card->part[idx].area_type & MMC_BLK_DATA_AREA_RPMB) { + /* + * RPMB partitions does not provide block access, they + * are only accessed using ioctl():s. Thus create + * special RPMB block devices that do not have a + * backing block queue for these. + */ + ret = mmc_blk_alloc_rpmb_part(card, md, + card->part[idx].part_cfg, + card->part[idx].size >> 9, + card->part[idx].name); + if (ret) + return ret; + } else if (card->part[idx].size) { ret = mmc_blk_alloc_part(card, md, card->part[idx].part_cfg, card->part[idx].size >> 9, @@ -2212,7 +2440,7 @@ static int mmc_blk_alloc_parts(struct mmc_card *card, struct mmc_blk_data *md) } } - return ret; + return 0; } static void mmc_blk_remove_req(struct mmc_blk_data *md) @@ -2249,7 +2477,15 @@ static void mmc_blk_remove_parts(struct mmc_card *card, { struct list_head *pos, *q; struct mmc_blk_data *part_md; + struct mmc_rpmb_data *rpmb; + /* Remove RPMB partitions */ + list_for_each_safe(pos, q, &md->rpmbs) { + rpmb = list_entry(pos, struct mmc_rpmb_data, node); + list_del(pos); + mmc_blk_remove_rpmb_part(rpmb); + } + /* Remove block partitions */ list_for_each_safe(pos, q, &md->part) { part_md = list_entry(pos, struct mmc_blk_data, part); list_del(pos); @@ -2568,6 +2804,17 @@ static int __init mmc_blk_init(void) { int res; + res = bus_register(&mmc_rpmb_bus_type); + if (res < 0) { + pr_err("mmcblk: could not register RPMB bus type\n"); + return res; + } + res = alloc_chrdev_region(&mmc_rpmb_devt, 0, MAX_DEVICES, "rpmb"); + if (res < 0) { + pr_err("mmcblk: failed to allocate rpmb chrdev region\n"); + goto out_bus_unreg; + } + if (perdev_minors != CONFIG_MMC_BLOCK_MINORS) pr_info("mmcblk: using %d minors per device\n", perdev_minors); @@ -2575,16 +2822,20 @@ static int __init mmc_blk_init(void) res = register_blkdev(MMC_BLOCK_MAJOR, "mmc"); if (res) - goto out; + goto out_chrdev_unreg; res = mmc_register_driver(&mmc_driver); if (res) - goto out2; + goto out_blkdev_unreg; return 0; - out2: + +out_blkdev_unreg: unregister_blkdev(MMC_BLOCK_MAJOR, "mmc"); - out: +out_chrdev_unreg: + unregister_chrdev_region(mmc_rpmb_devt, MAX_DEVICES); +out_bus_unreg: + bus_unregister(&mmc_rpmb_bus_type); return res; } @@ -2592,6 +2843,7 @@ static void __exit mmc_blk_exit(void) { mmc_unregister_driver(&mmc_driver); unregister_blkdev(MMC_BLOCK_MAJOR, "mmc"); + unregister_chrdev_region(mmc_rpmb_devt, MAX_DEVICES); } module_init(mmc_blk_init); diff --git a/drivers/mmc/core/block.h b/drivers/mmc/core/block.h index 860ca7c8df86..5946636101ef 100644 --- a/drivers/mmc/core/block.h +++ b/drivers/mmc/core/block.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MMC_CORE_BLOCK_H #define _MMC_CORE_BLOCK_H diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 301246513a37..a4b49e25fe96 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -369,10 +369,17 @@ int mmc_add_card(struct mmc_card *card) */ void mmc_remove_card(struct mmc_card *card) { + struct mmc_host *host = card->host; + #ifdef CONFIG_DEBUG_FS mmc_remove_card_debugfs(card); #endif + if (host->cqe_enabled) { + host->cqe_ops->cqe_disable(host); + host->cqe_enabled = false; + } + if (mmc_card_present(card)) { if (mmc_host_is_spi(card->host)) { pr_info("%s: SPI card removed\n", diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 66c9cf49ad2f..1f0f44f4dd5f 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -266,7 +266,8 @@ static void __mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) host->ops->request(host, mrq); } -static void mmc_mrq_pr_debug(struct mmc_host *host, struct mmc_request *mrq) +static void mmc_mrq_pr_debug(struct mmc_host *host, struct mmc_request *mrq, + bool cqe) { if (mrq->sbc) { pr_debug("<%s: starting CMD%u arg %08x flags %08x>\n", @@ -275,9 +276,12 @@ static void mmc_mrq_pr_debug(struct mmc_host *host, struct mmc_request *mrq) } if (mrq->cmd) { - pr_debug("%s: starting CMD%u arg %08x flags %08x\n", - mmc_hostname(host), mrq->cmd->opcode, mrq->cmd->arg, - mrq->cmd->flags); + pr_debug("%s: starting %sCMD%u arg %08x flags %08x\n", + mmc_hostname(host), cqe ? "CQE direct " : "", + mrq->cmd->opcode, mrq->cmd->arg, mrq->cmd->flags); + } else if (cqe) { + pr_debug("%s: starting CQE transfer for tag %d blkaddr %u\n", + mmc_hostname(host), mrq->tag, mrq->data->blk_addr); } if (mrq->data) { @@ -333,7 +337,7 @@ static int mmc_mrq_prep(struct mmc_host *host, struct mmc_request *mrq) return 0; } -static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) +int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) { int err; @@ -342,7 +346,7 @@ static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) if (mmc_card_removed(host->card)) return -ENOMEDIUM; - mmc_mrq_pr_debug(host, mrq); + mmc_mrq_pr_debug(host, mrq, false); WARN_ON(!host->claimed); @@ -355,6 +359,7 @@ static int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq) return 0; } +EXPORT_SYMBOL(mmc_start_request); /* * mmc_wait_data_done() - done callback for data request @@ -482,6 +487,155 @@ void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq) } EXPORT_SYMBOL(mmc_wait_for_req_done); +/* + * mmc_cqe_start_req - Start a CQE request. + * @host: MMC host to start the request + * @mrq: request to start + * + * Start the request, re-tuning if needed and it is possible. Returns an error + * code if the request fails to start or -EBUSY if CQE is busy. + */ +int mmc_cqe_start_req(struct mmc_host *host, struct mmc_request *mrq) +{ + int err; + + /* + * CQE cannot process re-tuning commands. Caller must hold retuning + * while CQE is in use. Re-tuning can happen here only when CQE has no + * active requests i.e. this is the first. Note, re-tuning will call + * ->cqe_off(). + */ + err = mmc_retune(host); + if (err) + goto out_err; + + mrq->host = host; + + mmc_mrq_pr_debug(host, mrq, true); + + err = mmc_mrq_prep(host, mrq); + if (err) + goto out_err; + + err = host->cqe_ops->cqe_request(host, mrq); + if (err) + goto out_err; + + trace_mmc_request_start(host, mrq); + + return 0; + +out_err: + if (mrq->cmd) { + pr_debug("%s: failed to start CQE direct CMD%u, error %d\n", + mmc_hostname(host), mrq->cmd->opcode, err); + } else { + pr_debug("%s: failed to start CQE transfer for tag %d, error %d\n", + mmc_hostname(host), mrq->tag, err); + } + return err; +} +EXPORT_SYMBOL(mmc_cqe_start_req); + +/** + * mmc_cqe_request_done - CQE has finished processing an MMC request + * @host: MMC host which completed request + * @mrq: MMC request which completed + * + * CQE drivers should call this function when they have completed + * their processing of a request. + */ +void mmc_cqe_request_done(struct mmc_host *host, struct mmc_request *mrq) +{ + mmc_should_fail_request(host, mrq); + + /* Flag re-tuning needed on CRC errors */ + if ((mrq->cmd && mrq->cmd->error == -EILSEQ) || + (mrq->data && mrq->data->error == -EILSEQ)) + mmc_retune_needed(host); + + trace_mmc_request_done(host, mrq); + + if (mrq->cmd) { + pr_debug("%s: CQE req done (direct CMD%u): %d\n", + mmc_hostname(host), mrq->cmd->opcode, mrq->cmd->error); + } else { + pr_debug("%s: CQE transfer done tag %d\n", + mmc_hostname(host), mrq->tag); + } + + if (mrq->data) { + pr_debug("%s: %d bytes transferred: %d\n", + mmc_hostname(host), + mrq->data->bytes_xfered, mrq->data->error); + } + + mrq->done(mrq); +} +EXPORT_SYMBOL(mmc_cqe_request_done); + +/** + * mmc_cqe_post_req - CQE post process of a completed MMC request + * @host: MMC host + * @mrq: MMC request to be processed + */ +void mmc_cqe_post_req(struct mmc_host *host, struct mmc_request *mrq) +{ + if (host->cqe_ops->cqe_post_req) + host->cqe_ops->cqe_post_req(host, mrq); +} +EXPORT_SYMBOL(mmc_cqe_post_req); + +/* Arbitrary 1 second timeout */ +#define MMC_CQE_RECOVERY_TIMEOUT 1000 + +/* + * mmc_cqe_recovery - Recover from CQE errors. + * @host: MMC host to recover + * + * Recovery consists of stopping CQE, stopping eMMC, discarding the queue in + * in eMMC, and discarding the queue in CQE. CQE must call + * mmc_cqe_request_done() on all requests. An error is returned if the eMMC + * fails to discard its queue. + */ +int mmc_cqe_recovery(struct mmc_host *host) +{ + struct mmc_command cmd; + int err; + + mmc_retune_hold_now(host); + + /* + * Recovery is expected seldom, if at all, but it reduces performance, + * so make sure it is not completely silent. + */ + pr_warn("%s: running CQE recovery\n", mmc_hostname(host)); + + host->cqe_ops->cqe_recovery_start(host); + + memset(&cmd, 0, sizeof(cmd)); + cmd.opcode = MMC_STOP_TRANSMISSION, + cmd.flags = MMC_RSP_R1B | MMC_CMD_AC, + cmd.flags &= ~MMC_RSP_CRC; /* Ignore CRC */ + cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT, + mmc_wait_for_cmd(host, &cmd, 0); + + memset(&cmd, 0, sizeof(cmd)); + cmd.opcode = MMC_CMDQ_TASK_MGMT; + cmd.arg = 1; /* Discard entire queue */ + cmd.flags = MMC_RSP_R1B | MMC_CMD_AC; + cmd.flags &= ~MMC_RSP_CRC; /* Ignore CRC */ + cmd.busy_timeout = MMC_CQE_RECOVERY_TIMEOUT, + err = mmc_wait_for_cmd(host, &cmd, 0); + + host->cqe_ops->cqe_recovery_finish(host); + + mmc_retune_release(host); + + return err; +} +EXPORT_SYMBOL(mmc_cqe_recovery); + /** * mmc_is_req_done - Determine if a 'cap_cmd_during_tfr' request is done * @host: MMC host @@ -832,9 +986,36 @@ unsigned int mmc_align_data_size(struct mmc_card *card, unsigned int sz) } EXPORT_SYMBOL(mmc_align_data_size); +/* + * Allow claiming an already claimed host if the context is the same or there is + * no context but the task is the same. + */ +static inline bool mmc_ctx_matches(struct mmc_host *host, struct mmc_ctx *ctx, + struct task_struct *task) +{ + return host->claimer == ctx || + (!ctx && task && host->claimer->task == task); +} + +static inline void mmc_ctx_set_claimer(struct mmc_host *host, + struct mmc_ctx *ctx, + struct task_struct *task) +{ + if (!host->claimer) { + if (ctx) + host->claimer = ctx; + else + host->claimer = &host->default_ctx; + } + if (task) + host->claimer->task = task; +} + /** * __mmc_claim_host - exclusively claim a host * @host: mmc host to claim + * @ctx: context that claims the host or NULL in which case the default + * context will be used * @abort: whether or not the operation should be aborted * * Claim a host for a set of operations. If @abort is non null and @@ -842,8 +1023,10 @@ EXPORT_SYMBOL(mmc_align_data_size); * that non-zero value without acquiring the lock. Returns zero * with the lock held otherwise. */ -int __mmc_claim_host(struct mmc_host *host, atomic_t *abort) +int __mmc_claim_host(struct mmc_host *host, struct mmc_ctx *ctx, + atomic_t *abort) { + struct task_struct *task = ctx ? NULL : current; DECLARE_WAITQUEUE(wait, current); unsigned long flags; int stop; @@ -856,7 +1039,7 @@ int __mmc_claim_host(struct mmc_host *host, atomic_t *abort) while (1) { set_current_state(TASK_UNINTERRUPTIBLE); stop = abort ? atomic_read(abort) : 0; - if (stop || !host->claimed || host->claimer == current) + if (stop || !host->claimed || mmc_ctx_matches(host, ctx, task)) break; spin_unlock_irqrestore(&host->lock, flags); schedule(); @@ -865,7 +1048,7 @@ int __mmc_claim_host(struct mmc_host *host, atomic_t *abort) set_current_state(TASK_RUNNING); if (!stop) { host->claimed = 1; - host->claimer = current; + mmc_ctx_set_claimer(host, ctx, task); host->claim_cnt += 1; if (host->claim_cnt == 1) pm = true; @@ -900,6 +1083,7 @@ void mmc_release_host(struct mmc_host *host) spin_unlock_irqrestore(&host->lock, flags); } else { host->claimed = 0; + host->claimer->task = NULL; host->claimer = NULL; spin_unlock_irqrestore(&host->lock, flags); wake_up(&host->wq); @@ -913,10 +1097,10 @@ EXPORT_SYMBOL(mmc_release_host); * This is a helper function, which fetches a runtime pm reference for the * card device and also claims the host. */ -void mmc_get_card(struct mmc_card *card) +void mmc_get_card(struct mmc_card *card, struct mmc_ctx *ctx) { pm_runtime_get_sync(&card->dev); - mmc_claim_host(card->host); + __mmc_claim_host(card->host, ctx, NULL); } EXPORT_SYMBOL(mmc_get_card); @@ -924,9 +1108,13 @@ EXPORT_SYMBOL(mmc_get_card); * This is a helper function, which releases the host and drops the runtime * pm reference for the card device. */ -void mmc_put_card(struct mmc_card *card) +void mmc_put_card(struct mmc_card *card, struct mmc_ctx *ctx) { - mmc_release_host(card->host); + struct mmc_host *host = card->host; + + WARN_ON(ctx && host->claimer != ctx); + + mmc_release_host(host); pm_runtime_mark_last_busy(&card->dev); pm_runtime_put_autosuspend(&card->dev); } @@ -1400,6 +1588,16 @@ EXPORT_SYMBOL_GPL(mmc_regulator_set_vqmmc); #endif /* CONFIG_REGULATOR */ +/** + * mmc_regulator_get_supply - try to get VMMC and VQMMC regulators for a host + * @mmc: the host to regulate + * + * Returns 0 or errno. errno should be handled, it is either a critical error + * or -EPROBE_DEFER. 0 means no critical error but it does not mean all + * regulators have been found because they all are optional. If you require + * certain regulators, you need to check separately in your driver if they got + * populated after calling this function. + */ int mmc_regulator_get_supply(struct mmc_host *mmc) { struct device *dev = mmc_dev(mmc); @@ -1484,11 +1682,33 @@ int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage) } +int mmc_host_set_uhs_voltage(struct mmc_host *host) +{ + u32 clock; + + /* + * During a signal voltage level switch, the clock must be gated + * for 5 ms according to the SD spec + */ + clock = host->ios.clock; + host->ios.clock = 0; + mmc_set_ios(host); + + if (mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_180)) + return -EAGAIN; + + /* Keep clock gated for at least 10 ms, though spec only says 5 ms */ + mmc_delay(10); + host->ios.clock = clock; + mmc_set_ios(host); + + return 0; +} + int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr) { struct mmc_command cmd = {}; int err = 0; - u32 clock; /* * If we cannot switch voltages, return failure so the caller @@ -1520,15 +1740,8 @@ int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr) err = -EAGAIN; goto power_cycle; } - /* - * During a signal voltage level switch, the clock must be gated - * for 5 ms according to the SD spec - */ - clock = host->ios.clock; - host->ios.clock = 0; - mmc_set_ios(host); - if (mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_180)) { + if (mmc_host_set_uhs_voltage(host)) { /* * Voltages may not have been switched, but we've already * sent CMD11, so a power cycle is required anyway @@ -1537,11 +1750,6 @@ int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr) goto power_cycle; } - /* Keep clock gated for at least 10 ms, though spec only says 5 ms */ - mmc_delay(10); - host->ios.clock = clock; - mmc_set_ios(host); - /* Wait for at least 1 ms according to spec */ mmc_delay(1); diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index ca861091a776..71e6c6d7ceb7 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -49,6 +49,7 @@ void mmc_set_bus_mode(struct mmc_host *host, unsigned int mode); void mmc_set_bus_width(struct mmc_host *host, unsigned int width); u32 mmc_select_voltage(struct mmc_host *host, u32 ocr); int mmc_set_uhs_voltage(struct mmc_host *host, u32 ocr); +int mmc_host_set_uhs_voltage(struct mmc_host *host); int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage); void mmc_set_timing(struct mmc_host *host, unsigned int timing); void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type); @@ -107,6 +108,8 @@ static inline void mmc_unregister_pm_notifier(struct mmc_host *host) { } void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq); bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq); +int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq); + struct mmc_async_req; struct mmc_async_req *mmc_start_areq(struct mmc_host *host, @@ -128,10 +131,11 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount, bool is_rel_write); -int __mmc_claim_host(struct mmc_host *host, atomic_t *abort); +int __mmc_claim_host(struct mmc_host *host, struct mmc_ctx *ctx, + atomic_t *abort); void mmc_release_host(struct mmc_host *host); -void mmc_get_card(struct mmc_card *card); -void mmc_put_card(struct mmc_card *card); +void mmc_get_card(struct mmc_card *card, struct mmc_ctx *ctx); +void mmc_put_card(struct mmc_card *card, struct mmc_ctx *ctx); /** * mmc_claim_host - exclusively claim a host @@ -141,7 +145,11 @@ void mmc_put_card(struct mmc_card *card); */ static inline void mmc_claim_host(struct mmc_host *host) { - __mmc_claim_host(host, NULL); + __mmc_claim_host(host, NULL, NULL); } +int mmc_cqe_start_req(struct mmc_host *host, struct mmc_request *mrq); +void mmc_cqe_post_req(struct mmc_host *host, struct mmc_request *mrq); +int mmc_cqe_recovery(struct mmc_host *host); + #endif diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index ad88deb2e8f3..35a9e4fd1a9f 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -111,12 +111,6 @@ void mmc_retune_hold(struct mmc_host *host) host->hold_retune += 1; } -void mmc_retune_hold_now(struct mmc_host *host) -{ - host->retune_now = 0; - host->hold_retune += 1; -} - void mmc_retune_release(struct mmc_host *host) { if (host->hold_retune) @@ -124,6 +118,7 @@ void mmc_retune_release(struct mmc_host *host) else WARN_ON(1); } +EXPORT_SYMBOL(mmc_retune_release); int mmc_retune(struct mmc_host *host) { @@ -184,7 +179,7 @@ static void mmc_retune_timer(unsigned long data) int mmc_of_parse(struct mmc_host *host) { struct device *dev = host->parent; - u32 bus_width; + u32 bus_width, drv_type; int ret; bool cd_cap_invert, cd_gpio_invert = false; bool ro_cap_invert, ro_gpio_invert = false; @@ -326,6 +321,15 @@ int mmc_of_parse(struct mmc_host *host) if (device_property_read_bool(dev, "no-mmc")) host->caps2 |= MMC_CAP2_NO_MMC; + /* Must be after "non-removable" check */ + if (device_property_read_u32(dev, "fixed-emmc-driver-type", &drv_type) == 0) { + if (host->caps & MMC_CAP_NONREMOVABLE) + host->fixed_drv_type = drv_type; + else + dev_err(host->parent, + "can't use fixed driver type, media is removable\n"); + } + host->dsr_req = !device_property_read_u32(dev, "dsr", &host->dsr); if (host->dsr_req && (host->dsr & ~0xffff)) { dev_err(host->parent, @@ -398,6 +402,8 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) host->max_blk_size = 512; host->max_blk_count = PAGE_SIZE / 512; + host->fixed_drv_type = -EINVAL; + return host; } diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index 77d6f60d1bf9..fb689a1065ed 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -19,12 +19,17 @@ void mmc_unregister_host_class(void); void mmc_retune_enable(struct mmc_host *host); void mmc_retune_disable(struct mmc_host *host); void mmc_retune_hold(struct mmc_host *host); -void mmc_retune_hold_now(struct mmc_host *host); void mmc_retune_release(struct mmc_host *host); int mmc_retune(struct mmc_host *host); void mmc_retune_pause(struct mmc_host *host); void mmc_retune_unpause(struct mmc_host *host); +static inline void mmc_retune_hold_now(struct mmc_host *host) +{ + host->retune_now = 0; + host->hold_retune += 1; +} + static inline void mmc_retune_recheck(struct mmc_host *host) { if (host->hold_retune <= 1) diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 36217ad5e9b1..a552f61060d2 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -780,6 +780,7 @@ MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid); MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name); MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid); MMC_DEV_ATTR(prv, "0x%x\n", card->cid.prv); +MMC_DEV_ATTR(rev, "0x%x\n", card->ext_csd.rev); MMC_DEV_ATTR(pre_eol_info, "%02x\n", card->ext_csd.pre_eol_info); MMC_DEV_ATTR(life_time, "0x%02x 0x%02x\n", card->ext_csd.device_life_time_est_typ_a, @@ -838,6 +839,7 @@ static struct attribute *mmc_std_attrs[] = { &dev_attr_name.attr, &dev_attr_oemid.attr, &dev_attr_prv.attr, + &dev_attr_rev.attr, &dev_attr_pre_eol_info.attr, &dev_attr_life_time.attr, &dev_attr_serial.attr, @@ -1289,13 +1291,18 @@ out_err: static void mmc_select_driver_type(struct mmc_card *card) { int card_drv_type, drive_strength, drv_type; + int fixed_drv_type = card->host->fixed_drv_type; card_drv_type = card->ext_csd.raw_driver_strength | mmc_driver_type_mask(0); - drive_strength = mmc_select_drive_strength(card, - card->ext_csd.hs200_max_dtr, - card_drv_type, &drv_type); + if (fixed_drv_type >= 0) + drive_strength = card_drv_type & mmc_driver_type_mask(fixed_drv_type) + ? fixed_drv_type : 0; + else + drive_strength = mmc_select_drive_strength(card, + card->ext_csd.hs200_max_dtr, + card_drv_type, &drv_type); card->drive_strength = drive_strength; @@ -1786,12 +1793,41 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, } /* + * Enable Command Queue if supported. Note that Packed Commands cannot + * be used with Command Queue. + */ + card->ext_csd.cmdq_en = false; + if (card->ext_csd.cmdq_support && host->caps2 & MMC_CAP2_CQE) { + err = mmc_cmdq_enable(card); + if (err && err != -EBADMSG) + goto free_card; + if (err) { + pr_warn("%s: Enabling CMDQ failed\n", + mmc_hostname(card->host)); + card->ext_csd.cmdq_support = false; + card->ext_csd.cmdq_depth = 0; + err = 0; + } + } + /* * In some cases (e.g. RPMB or mmc_test), the Command Queue must be * disabled for a time, so a flag is needed to indicate to re-enable the * Command Queue. */ card->reenable_cmdq = card->ext_csd.cmdq_en; + if (card->ext_csd.cmdq_en && !host->cqe_enabled) { + err = host->cqe_ops->cqe_enable(host, card); + if (err) { + pr_err("%s: Failed to enable CQE, error %d\n", + mmc_hostname(host), err); + } else { + host->cqe_enabled = true; + pr_info("%s: Command Queue Engine enabled\n", + mmc_hostname(host)); + } + } + if (!oldcard) host->card = card; @@ -1911,14 +1947,14 @@ static void mmc_detect(struct mmc_host *host) { int err; - mmc_get_card(host->card); + mmc_get_card(host->card, NULL); /* * Just check if our card has been removed. */ err = _mmc_detect_card_removed(host); - mmc_put_card(host->card); + mmc_put_card(host->card, NULL); if (err) { mmc_remove(host); diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 54686ca4bfb7..908e4db03535 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -977,7 +977,6 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception) from_exception) return; - mmc_claim_host(card->host); if (card->ext_csd.raw_bkops_status >= EXT_CSD_BKOPS_LEVEL_2) { timeout = MMC_OPS_TIMEOUT_MS; use_busy_signal = true; @@ -995,7 +994,7 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception) pr_warn("%s: Error %d starting bkops\n", mmc_hostname(card->host), err); mmc_retune_release(card->host); - goto out; + return; } /* @@ -1007,9 +1006,8 @@ void mmc_start_bkops(struct mmc_card *card, bool from_exception) mmc_card_set_doing_bkops(card); else mmc_retune_release(card->host); -out: - mmc_release_host(card->host); } +EXPORT_SYMBOL(mmc_start_bkops); /* * Flush the cache to the non-volatile storage. diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 0a4e77a5ba33..4f33d277b125 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -30,7 +30,7 @@ static int mmc_prep_request(struct request_queue *q, struct request *req) { struct mmc_queue *mq = q->queuedata; - if (mq && (mmc_card_removed(mq->card) || mmc_access_rpmb(mq))) + if (mq && mmc_card_removed(mq->card)) return BLKPREP_KILL; req->rq_flags |= RQF_DONTPREP; @@ -177,6 +177,29 @@ static void mmc_exit_request(struct request_queue *q, struct request *req) mq_rq->sg = NULL; } +static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card) +{ + struct mmc_host *host = card->host; + u64 limit = BLK_BOUNCE_HIGH; + + if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) + limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT; + + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue); + queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, mq->queue); + if (mmc_can_erase(card)) + mmc_queue_setup_discard(mq->queue, card); + + blk_queue_bounce_limit(mq->queue, limit); + blk_queue_max_hw_sectors(mq->queue, + min(host->max_blk_count, host->max_req_size / 512)); + blk_queue_max_segments(mq->queue, host->max_segs); + blk_queue_max_segment_size(mq->queue, host->max_seg_size); + + /* Initialize thread_sem even if it is not used */ + sema_init(&mq->thread_sem, 1); +} + /** * mmc_init_queue - initialise a queue structure. * @mq: mmc queue @@ -190,12 +213,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock, const char *subname) { struct mmc_host *host = card->host; - u64 limit = BLK_BOUNCE_HIGH; int ret = -ENOMEM; - if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) - limit = (u64)dma_max_pfn(mmc_dev(host)) << PAGE_SHIFT; - mq->card = card; mq->queue = blk_alloc_queue(GFP_KERNEL); if (!mq->queue) @@ -214,18 +233,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, } blk_queue_prep_rq(mq->queue, mmc_prep_request); - queue_flag_set_unlocked(QUEUE_FLAG_NONROT, mq->queue); - queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, mq->queue); - if (mmc_can_erase(card)) - mmc_queue_setup_discard(mq->queue, card); - blk_queue_bounce_limit(mq->queue, limit); - blk_queue_max_hw_sectors(mq->queue, - min(host->max_blk_count, host->max_req_size / 512)); - blk_queue_max_segments(mq->queue, host->max_segs); - blk_queue_max_segment_size(mq->queue, host->max_seg_size); - - sema_init(&mq->thread_sem, 1); + mmc_setup_queue(mq, card); mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd/%d%s", host->index, subname ? subname : ""); diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h index f18d3f656baa..547b457c4251 100644 --- a/drivers/mmc/core/queue.h +++ b/drivers/mmc/core/queue.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef MMC_QUEUE_H #define MMC_QUEUE_H @@ -35,12 +36,14 @@ struct mmc_blk_request { /** * enum mmc_drv_op - enumerates the operations in the mmc_queue_req * @MMC_DRV_OP_IOCTL: ioctl operation + * @MMC_DRV_OP_IOCTL_RPMB: RPMB-oriented ioctl operation * @MMC_DRV_OP_BOOT_WP: write protect boot partitions * @MMC_DRV_OP_GET_CARD_STATUS: get card status * @MMC_DRV_OP_GET_EXT_CSD: get the EXT CSD from an eMMC card */ enum mmc_drv_op { MMC_DRV_OP_IOCTL, + MMC_DRV_OP_IOCTL_RPMB, MMC_DRV_OP_BOOT_WP, MMC_DRV_OP_GET_CARD_STATUS, MMC_DRV_OP_GET_EXT_CSD, @@ -81,6 +84,4 @@ extern void mmc_queue_resume(struct mmc_queue *); extern unsigned int mmc_queue_map_sg(struct mmc_queue *, struct mmc_queue_req *); -extern int mmc_access_rpmb(struct mmc_queue *); - #endif diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h index fb725934fa21..f664e9cbc9f8 100644 --- a/drivers/mmc/core/quirks.h +++ b/drivers/mmc/core/quirks.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file contains work-arounds for many known SD/MMC * and SDIO hardware bugs. diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 4fd1620b732d..45bf78f32716 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -908,6 +908,18 @@ unsigned mmc_sd_get_max_clock(struct mmc_card *card) return max_dtr; } +static bool mmc_sd_card_using_v18(struct mmc_card *card) +{ + /* + * According to the SD spec., the Bus Speed Mode (function group 1) bits + * 2 to 4 are zero if the card is initialized at 3.3V signal level. Thus + * they can be used to determine if the card has already switched to + * 1.8V signaling. + */ + return card->sw_caps.sd3_bus_mode & + (SD_MODE_UHS_SDR50 | SD_MODE_UHS_SDR104 | SD_MODE_UHS_DDR50); +} + /* * Handle the detection and initialisation of a card. * @@ -921,9 +933,10 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, int err; u32 cid[4]; u32 rocr = 0; + bool v18_fixup_failed = false; WARN_ON(!host->claimed); - +retry: err = mmc_sd_get_cid(host, ocr, cid, &rocr); if (err) return err; @@ -989,6 +1002,36 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, if (err) goto free_card; + /* + * If the card has not been power cycled, it may still be using 1.8V + * signaling. Detect that situation and try to initialize a UHS-I (1.8V) + * transfer mode. + */ + if (!v18_fixup_failed && !mmc_host_is_spi(host) && mmc_host_uhs(host) && + mmc_sd_card_using_v18(card) && + host->ios.signal_voltage != MMC_SIGNAL_VOLTAGE_180) { + /* + * Re-read switch information in case it has changed since + * oldcard was initialized. + */ + if (oldcard) { + err = mmc_read_switch(card); + if (err) + goto free_card; + } + if (mmc_sd_card_using_v18(card)) { + if (mmc_host_set_uhs_voltage(host) || + mmc_sd_init_uhs_card(card)) { + v18_fixup_failed = true; + mmc_power_cycle(host, ocr); + if (!oldcard) + mmc_remove_card(card); + goto retry; + } + goto done; + } + } + /* Initialization sequence for UHS-I cards */ if (rocr & SD_ROCR_S18A) { err = mmc_sd_init_uhs_card(card); @@ -1021,7 +1064,7 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, mmc_set_bus_width(host, MMC_BUS_WIDTH_4); } } - +done: host->card = card; return 0; @@ -1056,14 +1099,14 @@ static void mmc_sd_detect(struct mmc_host *host) { int err; - mmc_get_card(host->card); + mmc_get_card(host->card, NULL); /* * Just check if our card has been removed. */ err = _mmc_detect_card_removed(host); - mmc_put_card(host->card); + mmc_put_card(host->card, NULL); if (err) { mmc_sd_remove(host); diff --git a/drivers/mmc/core/sd.h b/drivers/mmc/core/sd.h index 1ada9808c329..497c026a5c5a 100644 --- a/drivers/mmc/core/sd.h +++ b/drivers/mmc/core/sd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MMC_CORE_SD_H #define _MMC_CORE_SD_H diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index c771843e4c15..7a2eaf8410a3 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -155,7 +155,8 @@ static int sdio_irq_thread(void *_host) * holding of the host lock does not cover too much work * that doesn't require that lock to be held. */ - ret = __mmc_claim_host(host, &host->sdio_irq_thread_abort); + ret = __mmc_claim_host(host, NULL, + &host->sdio_irq_thread_abort); if (ret) break; ret = process_sdio_pending_irqs(host); diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 8c15637178ff..567028c9219a 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -352,6 +352,19 @@ config MMC_MESON_GX If you have a controller with this interface, say Y here. +config MMC_MESON_MX_SDIO + tristate "Amlogic Meson6/Meson8/Meson8b SD/MMC Host Controller support" + depends on ARCH_MESON || COMPILE_TEST + depends on COMMON_CLK + depends on HAS_DMA + depends on OF + help + This selects support for the SD/MMC Host Controller on + Amlogic Meson6, Meson8 and Meson8b SoCs. + + If you have a controller with this interface, say Y or M here. + If unsure, say N. + config MMC_MOXART tristate "MOXART SD/MMC Host Controller support" depends on ARCH_MOXART && MMC @@ -429,6 +442,7 @@ config MMC_SDHCI_MSM tristate "Qualcomm SDHCI Controller Support" depends on ARCH_QCOM || (ARM && COMPILE_TEST) depends on MMC_SDHCI_PLTFM + select MMC_SDHCI_IO_ACCESSORS help This selects the Secure Digital Host Controller Interface (SDHCI) support present in Qualcomm SOCs. The controller supports @@ -663,7 +677,7 @@ config MMC_CAVIUM_OCTEON config MMC_CAVIUM_THUNDERX tristate "Cavium ThunderX SD/MMC Card Interface support" depends on PCI && 64BIT && (ARM64 || COMPILE_TEST) - depends on GPIOLIB + depends on GPIO_THUNDERX depends on OF_ADDRESS help This selects Cavium ThunderX SD/MMC Card Interface. @@ -899,3 +913,15 @@ config MMC_SDHCI_XENON This selects Marvell Xenon eMMC/SD/SDIO SDHCI. If you have a controller with this interface, say Y or M here. If unsure, say N. + +config MMC_SDHCI_OMAP + tristate "TI SDHCI Controller Support" + depends on MMC_SDHCI_PLTFM && OF + help + This selects the Secure Digital Host Controller Interface (SDHCI) + support present in TI's DRA7 SOCs. The controller supports + SD/MMC/SDIO devices. + + If you have a controller with this interface, say Y or M here. + + If unsure, say N. diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 303f5cd46cd9..a43cf0d5a5d3 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for MMC/SD host controller drivers # @@ -64,6 +65,7 @@ obj-$(CONFIG_MMC_VUB300) += vub300.o obj-$(CONFIG_MMC_USHC) += ushc.o obj-$(CONFIG_MMC_WMT) += wmt-sdmmc.o obj-$(CONFIG_MMC_MESON_GX) += meson-gx-mmc.o +obj-$(CONFIG_MMC_MESON_MX_SDIO) += meson-mx-sdio.o obj-$(CONFIG_MMC_MOXART) += moxart-mmc.o obj-$(CONFIG_MMC_SUNXI) += sunxi-mmc.o obj-$(CONFIG_MMC_USDHI6ROL0) += usdhi6rol0.o @@ -89,6 +91,7 @@ obj-$(CONFIG_MMC_SDHCI_MSM) += sdhci-msm.o obj-$(CONFIG_MMC_SDHCI_ST) += sdhci-st.o obj-$(CONFIG_MMC_SDHCI_MICROCHIP_PIC32) += sdhci-pic32.o obj-$(CONFIG_MMC_SDHCI_BRCMSTB) += sdhci-brcmstb.o +obj-$(CONFIG_MMC_SDHCI_OMAP) += sdhci-omap.o ifeq ($(CONFIG_CB710_DEBUG),y) CFLAGS-cb710-mmc += -DDEBUG diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 0a0ebf3a096d..e55f3932d580 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -732,11 +732,11 @@ static inline unsigned int atmci_convert_chksize(struct atmel_mci *host, return 0; } -static void atmci_timeout_timer(unsigned long data) +static void atmci_timeout_timer(struct timer_list *t) { struct atmel_mci *host; - host = (struct atmel_mci *)data; + host = from_timer(host, t, timer); dev_dbg(&host->pdev->dev, "software timeout\n"); @@ -1661,9 +1661,9 @@ static void atmci_command_complete(struct atmel_mci *host, cmd->error = 0; } -static void atmci_detect_change(unsigned long data) +static void atmci_detect_change(struct timer_list *t) { - struct atmel_mci_slot *slot = (struct atmel_mci_slot *)data; + struct atmel_mci_slot *slot = from_timer(slot, t, detect_timer); bool present; bool present_old; @@ -2349,8 +2349,7 @@ static int atmci_init_slot(struct atmel_mci *host, if (gpio_is_valid(slot->detect_pin)) { int ret; - setup_timer(&slot->detect_timer, atmci_detect_change, - (unsigned long)slot); + timer_setup(&slot->detect_timer, atmci_detect_change, 0); ret = request_irq(gpio_to_irq(slot->detect_pin), atmci_detect_interrupt, @@ -2563,7 +2562,7 @@ static int atmci_probe(struct platform_device *pdev) platform_set_drvdata(pdev, host); - setup_timer(&host->timer, atmci_timeout_timer, (unsigned long)host); + timer_setup(&host->timer, atmci_timeout_timer, 0); pm_runtime_get_noresume(&pdev->dev); pm_runtime_set_active(&pdev->dev); diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c index fbd29f00fca0..ed5cefb83768 100644 --- a/drivers/mmc/host/cavium.c +++ b/drivers/mmc/host/cavium.c @@ -967,7 +967,7 @@ static int cvm_mmc_of_parse(struct device *dev, struct cvm_mmc_slot *slot) } ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) return ret; /* * Legacy Octeon firmware has no regulator entry, fall-back to diff --git a/drivers/mmc/host/dw_mmc-k3.c b/drivers/mmc/host/dw_mmc-k3.c index 64cda84b2302..73fd75c3c824 100644 --- a/drivers/mmc/host/dw_mmc-k3.c +++ b/drivers/mmc/host/dw_mmc-k3.c @@ -75,7 +75,7 @@ struct hs_timing { u32 smpl_phase_min; }; -struct hs_timing hs_timing_cfg[TIMING_MODE][TIMING_CFG_NUM] = { +static struct hs_timing hs_timing_cfg[TIMING_MODE][TIMING_CFG_NUM] = { { /* reserved */ }, { /* SD */ {7, 0, 15, 15,}, /* 0: LEGACY 400k */ diff --git a/drivers/mmc/host/dw_mmc-zx.h b/drivers/mmc/host/dw_mmc-zx.h index f369997a39ec..09ac52766f14 100644 --- a/drivers/mmc/host/dw_mmc-zx.h +++ b/drivers/mmc/host/dw_mmc-zx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DW_MMC_ZX_H_ #define _DW_MMC_ZX_H_ diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 860313bd952a..0aa39975f33b 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -401,16 +401,37 @@ static u32 dw_mci_prep_stop_abort(struct dw_mci *host, struct mmc_command *cmd) static inline void dw_mci_set_cto(struct dw_mci *host) { unsigned int cto_clks; + unsigned int cto_div; unsigned int cto_ms; + unsigned long irqflags; cto_clks = mci_readl(host, TMOUT) & 0xff; - cto_ms = DIV_ROUND_UP(cto_clks, host->bus_hz / 1000); + cto_div = (mci_readl(host, CLKDIV) & 0xff) * 2; + if (cto_div == 0) + cto_div = 1; + cto_ms = DIV_ROUND_UP(MSEC_PER_SEC * cto_clks * cto_div, host->bus_hz); /* add a bit spare time */ cto_ms += 10; - mod_timer(&host->cto_timer, - jiffies + msecs_to_jiffies(cto_ms) + 1); + /* + * The durations we're working with are fairly short so we have to be + * extra careful about synchronization here. Specifically in hardware a + * command timeout is _at most_ 5.1 ms, so that means we expect an + * interrupt (either command done or timeout) to come rather quickly + * after the mci_writel. ...but just in case we have a long interrupt + * latency let's add a bit of paranoia. + * + * In general we'll assume that at least an interrupt will be asserted + * in hardware by the time the cto_timer runs. ...and if it hasn't + * been asserted in hardware by that time then we'll assume it'll never + * come. + */ + spin_lock_irqsave(&host->irq_lock, irqflags); + if (!test_bit(EVENT_CMD_COMPLETE, &host->pending_events)) + mod_timer(&host->cto_timer, + jiffies + msecs_to_jiffies(cto_ms) + 1); + spin_unlock_irqrestore(&host->irq_lock, irqflags); } static void dw_mci_start_command(struct dw_mci *host, @@ -425,11 +446,11 @@ static void dw_mci_start_command(struct dw_mci *host, wmb(); /* drain writebuffer */ dw_mci_wait_while_busy(host, cmd_flags); + mci_writel(host, CMD, cmd_flags | SDMMC_CMD_START); + /* response expected command only */ if (cmd_flags & SDMMC_CMD_RESP_EXP) dw_mci_set_cto(host); - - mci_writel(host, CMD, cmd_flags | SDMMC_CMD_START); } static inline void send_stop_abort(struct dw_mci *host, struct mmc_data *data) @@ -796,7 +817,7 @@ static int dw_mci_edmac_start_dma(struct dw_mci *host, struct dma_slave_config cfg; struct dma_async_tx_descriptor *desc = NULL; struct scatterlist *sgl = host->data->sg; - const u32 mszs[] = {1, 4, 8, 16, 32, 64, 128, 256}; + static const u32 mszs[] = {1, 4, 8, 16, 32, 64, 128, 256}; u32 sg_elems = host->data->sg_len; u32 fifoth_val; u32 fifo_offset = host->fifo_reg - host->regs; @@ -1003,7 +1024,7 @@ static int dw_mci_get_cd(struct mmc_host *mmc) static void dw_mci_adjust_fifoth(struct dw_mci *host, struct mmc_data *data) { unsigned int blksz = data->blksz; - const u32 mszs[] = {1, 4, 8, 16, 32, 64, 128, 256}; + static const u32 mszs[] = {1, 4, 8, 16, 32, 64, 128, 256}; u32 fifo_width = 1 << host->data_shift; u32 blksz_depth = blksz / fifo_width, fifoth_val; u32 msize = 0, rx_wmark = 1, tx_wmark, tx_wmark_invers; @@ -1915,15 +1936,55 @@ static int dw_mci_data_complete(struct dw_mci *host, struct mmc_data *data) static void dw_mci_set_drto(struct dw_mci *host) { unsigned int drto_clks; + unsigned int drto_div; unsigned int drto_ms; + unsigned long irqflags; drto_clks = mci_readl(host, TMOUT) >> 8; - drto_ms = DIV_ROUND_UP(drto_clks, host->bus_hz / 1000); + drto_div = (mci_readl(host, CLKDIV) & 0xff) * 2; + if (drto_div == 0) + drto_div = 1; + drto_ms = DIV_ROUND_UP(MSEC_PER_SEC * drto_clks * drto_div, + host->bus_hz); /* add a bit spare time */ drto_ms += 10; - mod_timer(&host->dto_timer, jiffies + msecs_to_jiffies(drto_ms)); + spin_lock_irqsave(&host->irq_lock, irqflags); + if (!test_bit(EVENT_DATA_COMPLETE, &host->pending_events)) + mod_timer(&host->dto_timer, + jiffies + msecs_to_jiffies(drto_ms)); + spin_unlock_irqrestore(&host->irq_lock, irqflags); +} + +static bool dw_mci_clear_pending_cmd_complete(struct dw_mci *host) +{ + if (!test_bit(EVENT_CMD_COMPLETE, &host->pending_events)) + return false; + + /* + * Really be certain that the timer has stopped. This is a bit of + * paranoia and could only really happen if we had really bad + * interrupt latency and the interrupt routine and timeout were + * running concurrently so that the del_timer() in the interrupt + * handler couldn't run. + */ + WARN_ON(del_timer_sync(&host->cto_timer)); + clear_bit(EVENT_CMD_COMPLETE, &host->pending_events); + + return true; +} + +static bool dw_mci_clear_pending_data_complete(struct dw_mci *host) +{ + if (!test_bit(EVENT_DATA_COMPLETE, &host->pending_events)) + return false; + + /* Extra paranoia just like dw_mci_clear_pending_cmd_complete() */ + WARN_ON(del_timer_sync(&host->dto_timer)); + clear_bit(EVENT_DATA_COMPLETE, &host->pending_events); + + return true; } static void dw_mci_tasklet_func(unsigned long priv) @@ -1952,8 +2013,7 @@ static void dw_mci_tasklet_func(unsigned long priv) case STATE_SENDING_CMD11: case STATE_SENDING_CMD: - if (!test_and_clear_bit(EVENT_CMD_COMPLETE, - &host->pending_events)) + if (!dw_mci_clear_pending_cmd_complete(host)) break; cmd = host->cmd; @@ -2068,8 +2128,7 @@ static void dw_mci_tasklet_func(unsigned long priv) /* fall through */ case STATE_DATA_BUSY: - if (!test_and_clear_bit(EVENT_DATA_COMPLETE, - &host->pending_events)) { + if (!dw_mci_clear_pending_data_complete(host)) { /* * If data error interrupt comes but data over * interrupt doesn't come within the given time. @@ -2122,8 +2181,7 @@ static void dw_mci_tasklet_func(unsigned long priv) /* fall through */ case STATE_SENDING_STOP: - if (!test_and_clear_bit(EVENT_CMD_COMPLETE, - &host->pending_events)) + if (!dw_mci_clear_pending_cmd_complete(host)) break; /* CMD error in data command */ @@ -2570,6 +2628,8 @@ done: static void dw_mci_cmd_interrupt(struct dw_mci *host, u32 status) { + del_timer(&host->cto_timer); + if (!host->cmd_status) host->cmd_status = status; @@ -2594,6 +2654,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) struct dw_mci *host = dev_id; u32 pending; struct dw_mci_slot *slot = host->slot; + unsigned long irqflags; pending = mci_readl(host, MINTSTS); /* read-only mask reg */ @@ -2601,8 +2662,6 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) /* Check volt switch first, since it can look like an error */ if ((host->state == STATE_SENDING_CMD11) && (pending & SDMMC_INT_VOLT_SWITCH)) { - unsigned long irqflags; - mci_writel(host, RINTSTS, SDMMC_INT_VOLT_SWITCH); pending &= ~SDMMC_INT_VOLT_SWITCH; @@ -2618,11 +2677,15 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) } if (pending & DW_MCI_CMD_ERROR_FLAGS) { + spin_lock_irqsave(&host->irq_lock, irqflags); + del_timer(&host->cto_timer); mci_writel(host, RINTSTS, DW_MCI_CMD_ERROR_FLAGS); host->cmd_status = pending; smp_wmb(); /* drain writebuffer */ set_bit(EVENT_CMD_COMPLETE, &host->pending_events); + + spin_unlock_irqrestore(&host->irq_lock, irqflags); } if (pending & DW_MCI_DATA_ERROR_FLAGS) { @@ -2635,6 +2698,8 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) } if (pending & SDMMC_INT_DATA_OVER) { + spin_lock_irqsave(&host->irq_lock, irqflags); + del_timer(&host->dto_timer); mci_writel(host, RINTSTS, SDMMC_INT_DATA_OVER); @@ -2647,6 +2712,8 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) } set_bit(EVENT_DATA_COMPLETE, &host->pending_events); tasklet_schedule(&host->tasklet); + + spin_unlock_irqrestore(&host->irq_lock, irqflags); } if (pending & SDMMC_INT_RXDR) { @@ -2662,9 +2729,12 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id) } if (pending & SDMMC_INT_CMD_DONE) { - del_timer(&host->cto_timer); + spin_lock_irqsave(&host->irq_lock, irqflags); + mci_writel(host, RINTSTS, SDMMC_INT_CMD_DONE); dw_mci_cmd_interrupt(host, pending); + + spin_unlock_irqrestore(&host->irq_lock, irqflags); } if (pending & SDMMC_INT_CD) { @@ -2741,7 +2811,7 @@ static int dw_mci_init_slot(struct dw_mci *host) /*if there are external regulators, get them*/ ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) goto err_host_allocated; if (!mmc->ocr_avail) @@ -2921,9 +2991,9 @@ no_dma: host->use_dma = TRANS_MODE_PIO; } -static void dw_mci_cmd11_timer(unsigned long arg) +static void dw_mci_cmd11_timer(struct timer_list *t) { - struct dw_mci *host = (struct dw_mci *)arg; + struct dw_mci *host = from_timer(host, t, cmd11_timer); if (host->state != STATE_SENDING_CMD11) { dev_warn(host->dev, "Unexpected CMD11 timeout\n"); @@ -2935,10 +3005,38 @@ static void dw_mci_cmd11_timer(unsigned long arg) tasklet_schedule(&host->tasklet); } -static void dw_mci_cto_timer(unsigned long arg) +static void dw_mci_cto_timer(struct timer_list *t) { - struct dw_mci *host = (struct dw_mci *)arg; + struct dw_mci *host = from_timer(host, t, cto_timer); + unsigned long irqflags; + u32 pending; + + spin_lock_irqsave(&host->irq_lock, irqflags); + + /* + * If somehow we have very bad interrupt latency it's remotely possible + * that the timer could fire while the interrupt is still pending or + * while the interrupt is midway through running. Let's be paranoid + * and detect those two cases. Note that this is paranoia is somewhat + * justified because in this function we don't actually cancel the + * pending command in the controller--we just assume it will never come. + */ + pending = mci_readl(host, MINTSTS); /* read-only mask reg */ + if (pending & (DW_MCI_CMD_ERROR_FLAGS | SDMMC_INT_CMD_DONE)) { + /* The interrupt should fire; no need to act but we can warn */ + dev_warn(host->dev, "Unexpected interrupt latency\n"); + goto exit; + } + if (test_bit(EVENT_CMD_COMPLETE, &host->pending_events)) { + /* Presumably interrupt handler couldn't delete the timer */ + dev_warn(host->dev, "CTO timeout when already completed\n"); + goto exit; + } + /* + * Continued paranoia to make sure we're in the state we expect. + * This paranoia isn't really justified but it seems good to be safe. + */ switch (host->state) { case STATE_SENDING_CMD11: case STATE_SENDING_CMD: @@ -2957,12 +3055,39 @@ static void dw_mci_cto_timer(unsigned long arg) host->state); break; } + +exit: + spin_unlock_irqrestore(&host->irq_lock, irqflags); } -static void dw_mci_dto_timer(unsigned long arg) +static void dw_mci_dto_timer(struct timer_list *t) { - struct dw_mci *host = (struct dw_mci *)arg; + struct dw_mci *host = from_timer(host, t, dto_timer); + unsigned long irqflags; + u32 pending; + + spin_lock_irqsave(&host->irq_lock, irqflags); + + /* + * The DTO timer is much longer than the CTO timer, so it's even less + * likely that we'll these cases, but it pays to be paranoid. + */ + pending = mci_readl(host, MINTSTS); /* read-only mask reg */ + if (pending & SDMMC_INT_DATA_OVER) { + /* The interrupt should fire; no need to act but we can warn */ + dev_warn(host->dev, "Unexpected data interrupt latency\n"); + goto exit; + } + if (test_bit(EVENT_DATA_COMPLETE, &host->pending_events)) { + /* Presumably interrupt handler couldn't delete the timer */ + dev_warn(host->dev, "DTO timeout when already completed\n"); + goto exit; + } + /* + * Continued paranoia to make sure we're in the state we expect. + * This paranoia isn't really justified but it seems good to be safe. + */ switch (host->state) { case STATE_SENDING_DATA: case STATE_DATA_BUSY: @@ -2977,8 +3102,13 @@ static void dw_mci_dto_timer(unsigned long arg) tasklet_schedule(&host->tasklet); break; default: + dev_warn(host->dev, "Unexpected data timeout, state %d\n", + host->state); break; } + +exit: + spin_unlock_irqrestore(&host->irq_lock, irqflags); } #ifdef CONFIG_OF @@ -3127,14 +3257,9 @@ int dw_mci_probe(struct dw_mci *host) } } - setup_timer(&host->cmd11_timer, - dw_mci_cmd11_timer, (unsigned long)host); - - setup_timer(&host->cto_timer, - dw_mci_cto_timer, (unsigned long)host); - - setup_timer(&host->dto_timer, - dw_mci_dto_timer, (unsigned long)host); + timer_setup(&host->cmd11_timer, dw_mci_cmd11_timer, 0); + timer_setup(&host->cto_timer, dw_mci_cto_timer, 0); + timer_setup(&host->dto_timer, dw_mci_dto_timer, 0); spin_lock_init(&host->lock); spin_lock_init(&host->irq_lock); diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 34474ad731aa..e3124f06a47e 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -74,7 +74,8 @@ struct dw_mci_dma_slave { * @stop_abort: The command currently prepared for stoping transfer. * @prev_blksz: The former transfer blksz record. * @timing: Record of current ios timing. - * @use_dma: Whether DMA channel is initialized or not. + * @use_dma: Which DMA channel is in use for the current transfer, zero + * denotes PIO mode. * @using_dma: Whether DMA is in use for the current transfer. * @dma_64bit_address: Whether DMA supports 64-bit address mode or not. * @sg_dma: Bus address of DMA buffer. diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c index 7db8c7a8d38d..712e08d9a45e 100644 --- a/drivers/mmc/host/jz4740_mmc.c +++ b/drivers/mmc/host/jz4740_mmc.c @@ -586,9 +586,9 @@ poll_timeout: return true; } -static void jz4740_mmc_timeout(unsigned long data) +static void jz4740_mmc_timeout(struct timer_list *t) { - struct jz4740_mmc_host *host = (struct jz4740_mmc_host *)data; + struct jz4740_mmc_host *host = from_timer(host, t, timeout_timer); if (!test_and_clear_bit(0, &host->waiting)) return; @@ -1036,8 +1036,7 @@ static int jz4740_mmc_probe(struct platform_device* pdev) jz4740_mmc_reset(host); jz4740_mmc_clock_disable(host); - setup_timer(&host->timeout_timer, jz4740_mmc_timeout, - (unsigned long)host); + timer_setup(&host->timeout_timer, jz4740_mmc_timeout, 0); host->use_dma = true; if (host->use_dma && jz4740_mmc_acquire_dma_channels(host) != 0) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 85745ef179e2..e0862d3f65b3 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -1190,7 +1190,7 @@ static int meson_mmc_probe(struct platform_device *pdev) /* Get regulators and the supported OCR mask */ host->vqmmc_enabled = false; ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) goto free_host; ret = mmc_of_parse(mmc); diff --git a/drivers/mmc/host/meson-mx-sdio.c b/drivers/mmc/host/meson-mx-sdio.c new file mode 100644 index 000000000000..09cb89645d06 --- /dev/null +++ b/drivers/mmc/host/meson-mx-sdio.c @@ -0,0 +1,768 @@ +/* + * meson-mx-sdio.c - Meson6, Meson8 and Meson8b SDIO/MMC Host Controller + * + * Copyright (C) 2015 Endless Mobile, Inc. + * Author: Carlo Caione <carlo@endlessm.com> + * Copyright (C) 2017 Martin Blumenstingl <martin.blumenstingl@googlemail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + */ + +#include <linux/bitfield.h> +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/of_platform.h> +#include <linux/timer.h> +#include <linux/types.h> + +#include <linux/mmc/host.h> +#include <linux/mmc/mmc.h> +#include <linux/mmc/sdio.h> +#include <linux/mmc/slot-gpio.h> + +#define MESON_MX_SDIO_ARGU 0x00 + +#define MESON_MX_SDIO_SEND 0x04 + #define MESON_MX_SDIO_SEND_COMMAND_INDEX_MASK GENMASK(7, 0) + #define MESON_MX_SDIO_SEND_CMD_RESP_BITS_MASK GENMASK(15, 8) + #define MESON_MX_SDIO_SEND_RESP_WITHOUT_CRC7 BIT(16) + #define MESON_MX_SDIO_SEND_RESP_HAS_DATA BIT(17) + #define MESON_MX_SDIO_SEND_RESP_CRC7_FROM_8 BIT(18) + #define MESON_MX_SDIO_SEND_CHECK_DAT0_BUSY BIT(19) + #define MESON_MX_SDIO_SEND_DATA BIT(20) + #define MESON_MX_SDIO_SEND_USE_INT_WINDOW BIT(21) + #define MESON_MX_SDIO_SEND_REPEAT_PACKAGE_TIMES_MASK GENMASK(31, 24) + +#define MESON_MX_SDIO_CONF 0x08 + #define MESON_MX_SDIO_CONF_CMD_CLK_DIV_SHIFT 0 + #define MESON_MX_SDIO_CONF_CMD_CLK_DIV_WIDTH 10 + #define MESON_MX_SDIO_CONF_CMD_DISABLE_CRC BIT(10) + #define MESON_MX_SDIO_CONF_CMD_OUT_AT_POSITIVE_EDGE BIT(11) + #define MESON_MX_SDIO_CONF_CMD_ARGUMENT_BITS_MASK GENMASK(17, 12) + #define MESON_MX_SDIO_CONF_RESP_LATCH_AT_NEGATIVE_EDGE BIT(18) + #define MESON_MX_SDIO_CONF_DATA_LATCH_AT_NEGATIVE_EDGE BIT(19) + #define MESON_MX_SDIO_CONF_BUS_WIDTH BIT(20) + #define MESON_MX_SDIO_CONF_M_ENDIAN_MASK GENMASK(22, 21) + #define MESON_MX_SDIO_CONF_WRITE_NWR_MASK GENMASK(28, 23) + #define MESON_MX_SDIO_CONF_WRITE_CRC_OK_STATUS_MASK GENMASK(31, 29) + +#define MESON_MX_SDIO_IRQS 0x0c + #define MESON_MX_SDIO_IRQS_STATUS_STATE_MACHINE_MASK GENMASK(3, 0) + #define MESON_MX_SDIO_IRQS_CMD_BUSY BIT(4) + #define MESON_MX_SDIO_IRQS_RESP_CRC7_OK BIT(5) + #define MESON_MX_SDIO_IRQS_DATA_READ_CRC16_OK BIT(6) + #define MESON_MX_SDIO_IRQS_DATA_WRITE_CRC16_OK BIT(7) + #define MESON_MX_SDIO_IRQS_IF_INT BIT(8) + #define MESON_MX_SDIO_IRQS_CMD_INT BIT(9) + #define MESON_MX_SDIO_IRQS_STATUS_INFO_MASK GENMASK(15, 12) + #define MESON_MX_SDIO_IRQS_TIMING_OUT_INT BIT(16) + #define MESON_MX_SDIO_IRQS_AMRISC_TIMING_OUT_INT_EN BIT(17) + #define MESON_MX_SDIO_IRQS_ARC_TIMING_OUT_INT_EN BIT(18) + #define MESON_MX_SDIO_IRQS_TIMING_OUT_COUNT_MASK GENMASK(31, 19) + +#define MESON_MX_SDIO_IRQC 0x10 + #define MESON_MX_SDIO_IRQC_ARC_IF_INT_EN BIT(3) + #define MESON_MX_SDIO_IRQC_ARC_CMD_INT_EN BIT(4) + #define MESON_MX_SDIO_IRQC_IF_CONFIG_MASK GENMASK(7, 6) + #define MESON_MX_SDIO_IRQC_FORCE_DATA_CLK BIT(8) + #define MESON_MX_SDIO_IRQC_FORCE_DATA_CMD BIT(9) + #define MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK GENMASK(10, 13) + #define MESON_MX_SDIO_IRQC_SOFT_RESET BIT(15) + #define MESON_MX_SDIO_IRQC_FORCE_HALT BIT(30) + #define MESON_MX_SDIO_IRQC_HALT_HOLE BIT(31) + +#define MESON_MX_SDIO_MULT 0x14 + #define MESON_MX_SDIO_MULT_PORT_SEL_MASK GENMASK(1, 0) + #define MESON_MX_SDIO_MULT_MEMORY_STICK_ENABLE BIT(2) + #define MESON_MX_SDIO_MULT_MEMORY_STICK_SCLK_ALWAYS BIT(3) + #define MESON_MX_SDIO_MULT_STREAM_ENABLE BIT(4) + #define MESON_MX_SDIO_MULT_STREAM_8BITS_MODE BIT(5) + #define MESON_MX_SDIO_MULT_WR_RD_OUT_INDEX BIT(8) + #define MESON_MX_SDIO_MULT_DAT0_DAT1_SWAPPED BIT(10) + #define MESON_MX_SDIO_MULT_DAT1_DAT0_SWAPPED BIT(11) + #define MESON_MX_SDIO_MULT_RESP_READ_INDEX_MASK GENMASK(15, 12) + +#define MESON_MX_SDIO_ADDR 0x18 + +#define MESON_MX_SDIO_EXT 0x1c + #define MESON_MX_SDIO_EXT_DATA_RW_NUMBER_MASK GENMASK(29, 16) + +#define MESON_MX_SDIO_BOUNCE_REQ_SIZE (128 * 1024) +#define MESON_MX_SDIO_RESPONSE_CRC16_BITS (16 - 1) +#define MESON_MX_SDIO_MAX_SLOTS 3 + +struct meson_mx_mmc_host { + struct device *controller_dev; + + struct clk *parent_clk; + struct clk *core_clk; + struct clk_divider cfg_div; + struct clk *cfg_div_clk; + struct clk_fixed_factor fixed_factor; + struct clk *fixed_factor_clk; + + void __iomem *base; + int irq; + spinlock_t irq_lock; + + struct timer_list cmd_timeout; + + unsigned int slot_id; + struct mmc_host *mmc; + + struct mmc_request *mrq; + struct mmc_command *cmd; + int error; +}; + +static void meson_mx_mmc_mask_bits(struct mmc_host *mmc, char reg, u32 mask, + u32 val) +{ + struct meson_mx_mmc_host *host = mmc_priv(mmc); + u32 regval; + + regval = readl(host->base + reg); + regval &= ~mask; + regval |= (val & mask); + + writel(regval, host->base + reg); +} + +static void meson_mx_mmc_soft_reset(struct meson_mx_mmc_host *host) +{ + writel(MESON_MX_SDIO_IRQC_SOFT_RESET, host->base + MESON_MX_SDIO_IRQC); + udelay(2); +} + +static struct mmc_command *meson_mx_mmc_get_next_cmd(struct mmc_command *cmd) +{ + if (cmd->opcode == MMC_SET_BLOCK_COUNT && !cmd->error) + return cmd->mrq->cmd; + else if (mmc_op_multi(cmd->opcode) && + (!cmd->mrq->sbc || cmd->error || cmd->data->error)) + return cmd->mrq->stop; + else + return NULL; +} + +static void meson_mx_mmc_start_cmd(struct mmc_host *mmc, + struct mmc_command *cmd) +{ + struct meson_mx_mmc_host *host = mmc_priv(mmc); + unsigned int pack_size; + unsigned long irqflags, timeout; + u32 mult, send = 0, ext = 0; + + host->cmd = cmd; + + if (cmd->busy_timeout) + timeout = msecs_to_jiffies(cmd->busy_timeout); + else + timeout = msecs_to_jiffies(1000); + + switch (mmc_resp_type(cmd)) { + case MMC_RSP_R1: + case MMC_RSP_R1B: + case MMC_RSP_R3: + /* 7 (CMD) + 32 (response) + 7 (CRC) -1 */ + send |= FIELD_PREP(MESON_MX_SDIO_SEND_CMD_RESP_BITS_MASK, 45); + break; + case MMC_RSP_R2: + /* 7 (CMD) + 120 (response) + 7 (CRC) -1 */ + send |= FIELD_PREP(MESON_MX_SDIO_SEND_CMD_RESP_BITS_MASK, 133); + send |= MESON_MX_SDIO_SEND_RESP_CRC7_FROM_8; + break; + default: + break; + } + + if (!(cmd->flags & MMC_RSP_CRC)) + send |= MESON_MX_SDIO_SEND_RESP_WITHOUT_CRC7; + + if (cmd->flags & MMC_RSP_BUSY) + send |= MESON_MX_SDIO_SEND_CHECK_DAT0_BUSY; + + if (cmd->data) { + send |= FIELD_PREP(MESON_MX_SDIO_SEND_REPEAT_PACKAGE_TIMES_MASK, + (cmd->data->blocks - 1)); + + pack_size = cmd->data->blksz * BITS_PER_BYTE; + if (mmc->ios.bus_width == MMC_BUS_WIDTH_4) + pack_size += MESON_MX_SDIO_RESPONSE_CRC16_BITS * 4; + else + pack_size += MESON_MX_SDIO_RESPONSE_CRC16_BITS * 1; + + ext |= FIELD_PREP(MESON_MX_SDIO_EXT_DATA_RW_NUMBER_MASK, + pack_size); + + if (cmd->data->flags & MMC_DATA_WRITE) + send |= MESON_MX_SDIO_SEND_DATA; + else + send |= MESON_MX_SDIO_SEND_RESP_HAS_DATA; + + cmd->data->bytes_xfered = 0; + } + + send |= FIELD_PREP(MESON_MX_SDIO_SEND_COMMAND_INDEX_MASK, + (0x40 | cmd->opcode)); + + spin_lock_irqsave(&host->irq_lock, irqflags); + + mult = readl(host->base + MESON_MX_SDIO_MULT); + mult &= ~MESON_MX_SDIO_MULT_PORT_SEL_MASK; + mult |= FIELD_PREP(MESON_MX_SDIO_MULT_PORT_SEL_MASK, host->slot_id); + mult |= BIT(31); + writel(mult, host->base + MESON_MX_SDIO_MULT); + + /* enable the CMD done interrupt */ + meson_mx_mmc_mask_bits(mmc, MESON_MX_SDIO_IRQC, + MESON_MX_SDIO_IRQC_ARC_CMD_INT_EN, + MESON_MX_SDIO_IRQC_ARC_CMD_INT_EN); + + /* clear pending interrupts */ + meson_mx_mmc_mask_bits(mmc, MESON_MX_SDIO_IRQS, + MESON_MX_SDIO_IRQS_CMD_INT, + MESON_MX_SDIO_IRQS_CMD_INT); + + writel(cmd->arg, host->base + MESON_MX_SDIO_ARGU); + writel(ext, host->base + MESON_MX_SDIO_EXT); + writel(send, host->base + MESON_MX_SDIO_SEND); + + spin_unlock_irqrestore(&host->irq_lock, irqflags); + + mod_timer(&host->cmd_timeout, jiffies + timeout); +} + +static void meson_mx_mmc_request_done(struct meson_mx_mmc_host *host) +{ + struct mmc_request *mrq; + + mrq = host->mrq; + + host->mrq = NULL; + host->cmd = NULL; + + mmc_request_done(host->mmc, mrq); +} + +static void meson_mx_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) +{ + struct meson_mx_mmc_host *host = mmc_priv(mmc); + unsigned short vdd = ios->vdd; + unsigned long clk_rate = ios->clock; + + switch (ios->bus_width) { + case MMC_BUS_WIDTH_1: + meson_mx_mmc_mask_bits(mmc, MESON_MX_SDIO_CONF, + MESON_MX_SDIO_CONF_BUS_WIDTH, 0); + break; + + case MMC_BUS_WIDTH_4: + meson_mx_mmc_mask_bits(mmc, MESON_MX_SDIO_CONF, + MESON_MX_SDIO_CONF_BUS_WIDTH, + MESON_MX_SDIO_CONF_BUS_WIDTH); + break; + + case MMC_BUS_WIDTH_8: + default: + dev_err(mmc_dev(mmc), "unsupported bus width: %d\n", + ios->bus_width); + host->error = -EINVAL; + return; + } + + host->error = clk_set_rate(host->cfg_div_clk, ios->clock); + if (host->error) { + dev_warn(mmc_dev(mmc), + "failed to set MMC clock to %lu: %d\n", + clk_rate, host->error); + return; + } + + mmc->actual_clock = clk_get_rate(host->cfg_div_clk); + + switch (ios->power_mode) { + case MMC_POWER_OFF: + vdd = 0; + /* fall-through: */ + case MMC_POWER_UP: + if (!IS_ERR(mmc->supply.vmmc)) { + host->error = mmc_regulator_set_ocr(mmc, + mmc->supply.vmmc, + vdd); + if (host->error) + return; + } + break; + } +} + +static int meson_mx_mmc_map_dma(struct mmc_host *mmc, struct mmc_request *mrq) +{ + struct mmc_data *data = mrq->data; + int dma_len; + struct scatterlist *sg; + + if (!data) + return 0; + + sg = data->sg; + if (sg->offset & 3 || sg->length & 3) { + dev_err(mmc_dev(mmc), + "unaligned scatterlist: offset %x length %d\n", + sg->offset, sg->length); + return -EINVAL; + } + + dma_len = dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len, + mmc_get_dma_dir(data)); + if (dma_len <= 0) { + dev_err(mmc_dev(mmc), "dma_map_sg failed\n"); + return -ENOMEM; + } + + return 0; +} + +static void meson_mx_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) +{ + struct meson_mx_mmc_host *host = mmc_priv(mmc); + struct mmc_command *cmd = mrq->cmd; + + if (!host->error) + host->error = meson_mx_mmc_map_dma(mmc, mrq); + + if (host->error) { + cmd->error = host->error; + mmc_request_done(mmc, mrq); + return; + } + + host->mrq = mrq; + + if (mrq->data) + writel(sg_dma_address(mrq->data->sg), + host->base + MESON_MX_SDIO_ADDR); + + if (mrq->sbc) + meson_mx_mmc_start_cmd(mmc, mrq->sbc); + else + meson_mx_mmc_start_cmd(mmc, mrq->cmd); +} + +static int meson_mx_mmc_card_busy(struct mmc_host *mmc) +{ + struct meson_mx_mmc_host *host = mmc_priv(mmc); + u32 irqc = readl(host->base + MESON_MX_SDIO_IRQC); + + return !!(irqc & MESON_MX_SDIO_IRQC_FORCE_DATA_DAT_MASK); +} + +static void meson_mx_mmc_read_response(struct mmc_host *mmc, + struct mmc_command *cmd) +{ + struct meson_mx_mmc_host *host = mmc_priv(mmc); + u32 mult; + int i, resp[4]; + + mult = readl(host->base + MESON_MX_SDIO_MULT); + mult |= MESON_MX_SDIO_MULT_WR_RD_OUT_INDEX; + mult &= ~MESON_MX_SDIO_MULT_RESP_READ_INDEX_MASK; + mult |= FIELD_PREP(MESON_MX_SDIO_MULT_RESP_READ_INDEX_MASK, 0); + writel(mult, host->base + MESON_MX_SDIO_MULT); + + if (cmd->flags & MMC_RSP_136) { + for (i = 0; i <= 3; i++) + resp[3 - i] = readl(host->base + MESON_MX_SDIO_ARGU); + cmd->resp[0] = (resp[0] << 8) | ((resp[1] >> 24) & 0xff); + cmd->resp[1] = (resp[1] << 8) | ((resp[2] >> 24) & 0xff); + cmd->resp[2] = (resp[2] << 8) | ((resp[3] >> 24) & 0xff); + cmd->resp[3] = (resp[3] << 8); + } else if (cmd->flags & MMC_RSP_PRESENT) { + cmd->resp[0] = readl(host->base + MESON_MX_SDIO_ARGU); + } +} + +static irqreturn_t meson_mx_mmc_process_cmd_irq(struct meson_mx_mmc_host *host, + u32 irqs, u32 send) +{ + struct mmc_command *cmd = host->cmd; + + /* + * NOTE: even though it shouldn't happen we sometimes get command + * interrupts twice (at least this is what it looks like). Ideally + * we find out why this happens and warn here as soon as it occurs. + */ + if (!cmd) + return IRQ_HANDLED; + + cmd->error = 0; + meson_mx_mmc_read_response(host->mmc, cmd); + + if (cmd->data) { + if (!((irqs & MESON_MX_SDIO_IRQS_DATA_READ_CRC16_OK) || + (irqs & MESON_MX_SDIO_IRQS_DATA_WRITE_CRC16_OK))) + cmd->error = -EILSEQ; + } else { + if (!((irqs & MESON_MX_SDIO_IRQS_RESP_CRC7_OK) || + (send & MESON_MX_SDIO_SEND_RESP_WITHOUT_CRC7))) + cmd->error = -EILSEQ; + } + + return IRQ_WAKE_THREAD; +} + +static irqreturn_t meson_mx_mmc_irq(int irq, void *data) +{ + struct meson_mx_mmc_host *host = (void *) data; + u32 irqs, send; + unsigned long irqflags; + irqreturn_t ret; + + spin_lock_irqsave(&host->irq_lock, irqflags); + + irqs = readl(host->base + MESON_MX_SDIO_IRQS); + send = readl(host->base + MESON_MX_SDIO_SEND); + + if (irqs & MESON_MX_SDIO_IRQS_CMD_INT) + ret = meson_mx_mmc_process_cmd_irq(host, irqs, send); + else + ret = IRQ_HANDLED; + + /* finally ACK all pending interrupts */ + writel(irqs, host->base + MESON_MX_SDIO_IRQS); + + spin_unlock_irqrestore(&host->irq_lock, irqflags); + + return ret; +} + +static irqreturn_t meson_mx_mmc_irq_thread(int irq, void *irq_data) +{ + struct meson_mx_mmc_host *host = (void *) irq_data; + struct mmc_command *cmd = host->cmd, *next_cmd; + + if (WARN_ON(!cmd)) + return IRQ_HANDLED; + + del_timer_sync(&host->cmd_timeout); + + if (cmd->data) { + dma_unmap_sg(mmc_dev(host->mmc), cmd->data->sg, + cmd->data->sg_len, + mmc_get_dma_dir(cmd->data)); + + cmd->data->bytes_xfered = cmd->data->blksz * cmd->data->blocks; + } + + next_cmd = meson_mx_mmc_get_next_cmd(cmd); + if (next_cmd) + meson_mx_mmc_start_cmd(host->mmc, next_cmd); + else + meson_mx_mmc_request_done(host); + + return IRQ_HANDLED; +} + +static void meson_mx_mmc_timeout(struct timer_list *t) +{ + struct meson_mx_mmc_host *host = from_timer(host, t, cmd_timeout); + unsigned long irqflags; + u32 irqc; + + spin_lock_irqsave(&host->irq_lock, irqflags); + + /* disable the CMD interrupt */ + irqc = readl(host->base + MESON_MX_SDIO_IRQC); + irqc &= ~MESON_MX_SDIO_IRQC_ARC_CMD_INT_EN; + writel(irqc, host->base + MESON_MX_SDIO_IRQC); + + spin_unlock_irqrestore(&host->irq_lock, irqflags); + + /* + * skip the timeout handling if the interrupt handler already processed + * the command. + */ + if (!host->cmd) + return; + + dev_dbg(mmc_dev(host->mmc), + "Timeout on CMD%u (IRQS = 0x%08x, ARGU = 0x%08x)\n", + host->cmd->opcode, readl(host->base + MESON_MX_SDIO_IRQS), + readl(host->base + MESON_MX_SDIO_ARGU)); + + host->cmd->error = -ETIMEDOUT; + + meson_mx_mmc_request_done(host); +} + +static struct mmc_host_ops meson_mx_mmc_ops = { + .request = meson_mx_mmc_request, + .set_ios = meson_mx_mmc_set_ios, + .card_busy = meson_mx_mmc_card_busy, + .get_cd = mmc_gpio_get_cd, + .get_ro = mmc_gpio_get_ro, +}; + +static struct platform_device *meson_mx_mmc_slot_pdev(struct device *parent) +{ + struct device_node *slot_node; + + /* + * TODO: the MMC core framework currently does not support + * controllers with multiple slots properly. So we only register + * the first slot for now + */ + slot_node = of_find_compatible_node(parent->of_node, NULL, "mmc-slot"); + if (!slot_node) { + dev_warn(parent, "no 'mmc-slot' sub-node found\n"); + return ERR_PTR(-ENOENT); + } + + return of_platform_device_create(slot_node, NULL, parent); +} + +static int meson_mx_mmc_add_host(struct meson_mx_mmc_host *host) +{ + struct mmc_host *mmc = host->mmc; + struct device *slot_dev = mmc_dev(mmc); + int ret; + + if (of_property_read_u32(slot_dev->of_node, "reg", &host->slot_id)) { + dev_err(slot_dev, "missing 'reg' property\n"); + return -EINVAL; + } + + if (host->slot_id >= MESON_MX_SDIO_MAX_SLOTS) { + dev_err(slot_dev, "invalid 'reg' property value %d\n", + host->slot_id); + return -EINVAL; + } + + /* Get regulators and the supported OCR mask */ + ret = mmc_regulator_get_supply(mmc); + if (ret) + return ret; + + mmc->max_req_size = MESON_MX_SDIO_BOUNCE_REQ_SIZE; + mmc->max_seg_size = mmc->max_req_size; + mmc->max_blk_count = + FIELD_GET(MESON_MX_SDIO_SEND_REPEAT_PACKAGE_TIMES_MASK, + 0xffffffff); + mmc->max_blk_size = FIELD_GET(MESON_MX_SDIO_EXT_DATA_RW_NUMBER_MASK, + 0xffffffff); + mmc->max_blk_size -= (4 * MESON_MX_SDIO_RESPONSE_CRC16_BITS); + mmc->max_blk_size /= BITS_PER_BYTE; + + /* Get the min and max supported clock rates */ + mmc->f_min = clk_round_rate(host->cfg_div_clk, 1); + mmc->f_max = clk_round_rate(host->cfg_div_clk, + clk_get_rate(host->parent_clk)); + + mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23; + mmc->ops = &meson_mx_mmc_ops; + + ret = mmc_of_parse(mmc); + if (ret) + return ret; + + ret = mmc_add_host(mmc); + if (ret) + return ret; + + return 0; +} + +static int meson_mx_mmc_register_clks(struct meson_mx_mmc_host *host) +{ + struct clk_init_data init; + const char *clk_div_parent, *clk_fixed_factor_parent; + + clk_fixed_factor_parent = __clk_get_name(host->parent_clk); + init.name = devm_kasprintf(host->controller_dev, GFP_KERNEL, + "%s#fixed_factor", + dev_name(host->controller_dev)); + init.ops = &clk_fixed_factor_ops; + init.flags = 0; + init.parent_names = &clk_fixed_factor_parent; + init.num_parents = 1; + host->fixed_factor.div = 2; + host->fixed_factor.mult = 1; + host->fixed_factor.hw.init = &init; + + host->fixed_factor_clk = devm_clk_register(host->controller_dev, + &host->fixed_factor.hw); + if (WARN_ON(IS_ERR(host->fixed_factor_clk))) + return PTR_ERR(host->fixed_factor_clk); + + clk_div_parent = __clk_get_name(host->fixed_factor_clk); + init.name = devm_kasprintf(host->controller_dev, GFP_KERNEL, + "%s#div", dev_name(host->controller_dev)); + init.ops = &clk_divider_ops; + init.flags = CLK_SET_RATE_PARENT; + init.parent_names = &clk_div_parent; + init.num_parents = 1; + host->cfg_div.reg = host->base + MESON_MX_SDIO_CONF; + host->cfg_div.shift = MESON_MX_SDIO_CONF_CMD_CLK_DIV_SHIFT; + host->cfg_div.width = MESON_MX_SDIO_CONF_CMD_CLK_DIV_WIDTH; + host->cfg_div.hw.init = &init; + host->cfg_div.flags = CLK_DIVIDER_ALLOW_ZERO; + + host->cfg_div_clk = devm_clk_register(host->controller_dev, + &host->cfg_div.hw); + if (WARN_ON(IS_ERR(host->cfg_div_clk))) + return PTR_ERR(host->cfg_div_clk); + + return 0; +} + +static int meson_mx_mmc_probe(struct platform_device *pdev) +{ + struct platform_device *slot_pdev; + struct mmc_host *mmc; + struct meson_mx_mmc_host *host; + struct resource *res; + int ret, irq; + u32 conf; + + slot_pdev = meson_mx_mmc_slot_pdev(&pdev->dev); + if (!slot_pdev) + return -ENODEV; + else if (IS_ERR(slot_pdev)) + return PTR_ERR(slot_pdev); + + mmc = mmc_alloc_host(sizeof(*host), &slot_pdev->dev); + if (!mmc) { + ret = -ENOMEM; + goto error_unregister_slot_pdev; + } + + host = mmc_priv(mmc); + host->mmc = mmc; + host->controller_dev = &pdev->dev; + + spin_lock_init(&host->irq_lock); + timer_setup(&host->cmd_timeout, meson_mx_mmc_timeout, 0); + + platform_set_drvdata(pdev, host); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + host->base = devm_ioremap_resource(host->controller_dev, res); + if (IS_ERR(host->base)) { + ret = PTR_ERR(host->base); + goto error_free_mmc; + } + + irq = platform_get_irq(pdev, 0); + ret = devm_request_threaded_irq(host->controller_dev, irq, + meson_mx_mmc_irq, + meson_mx_mmc_irq_thread, IRQF_ONESHOT, + NULL, host); + if (ret) + goto error_free_mmc; + + host->core_clk = devm_clk_get(host->controller_dev, "core"); + if (IS_ERR(host->core_clk)) { + ret = PTR_ERR(host->core_clk); + goto error_free_mmc; + } + + host->parent_clk = devm_clk_get(host->controller_dev, "clkin"); + if (IS_ERR(host->parent_clk)) { + ret = PTR_ERR(host->parent_clk); + goto error_free_mmc; + } + + ret = meson_mx_mmc_register_clks(host); + if (ret) + goto error_free_mmc; + + ret = clk_prepare_enable(host->core_clk); + if (ret) { + dev_err(host->controller_dev, "Failed to enable core clock\n"); + goto error_free_mmc; + } + + ret = clk_prepare_enable(host->cfg_div_clk); + if (ret) { + dev_err(host->controller_dev, "Failed to enable MMC clock\n"); + goto error_disable_core_clk; + } + + conf = 0; + conf |= FIELD_PREP(MESON_MX_SDIO_CONF_CMD_ARGUMENT_BITS_MASK, 39); + conf |= FIELD_PREP(MESON_MX_SDIO_CONF_M_ENDIAN_MASK, 0x3); + conf |= FIELD_PREP(MESON_MX_SDIO_CONF_WRITE_NWR_MASK, 0x2); + conf |= FIELD_PREP(MESON_MX_SDIO_CONF_WRITE_CRC_OK_STATUS_MASK, 0x2); + writel(conf, host->base + MESON_MX_SDIO_CONF); + + meson_mx_mmc_soft_reset(host); + + ret = meson_mx_mmc_add_host(host); + if (ret) + goto error_disable_clks; + + return 0; + +error_disable_clks: + clk_disable_unprepare(host->cfg_div_clk); +error_disable_core_clk: + clk_disable_unprepare(host->core_clk); +error_free_mmc: + mmc_free_host(mmc); +error_unregister_slot_pdev: + of_platform_device_destroy(&slot_pdev->dev, NULL); + return ret; +} + +static int meson_mx_mmc_remove(struct platform_device *pdev) +{ + struct meson_mx_mmc_host *host = platform_get_drvdata(pdev); + struct device *slot_dev = mmc_dev(host->mmc); + + del_timer_sync(&host->cmd_timeout); + + mmc_remove_host(host->mmc); + + of_platform_device_destroy(slot_dev, NULL); + + clk_disable_unprepare(host->cfg_div_clk); + clk_disable_unprepare(host->core_clk); + + mmc_free_host(host->mmc); + + return 0; +} + +static const struct of_device_id meson_mx_mmc_of_match[] = { + { .compatible = "amlogic,meson8-sdio", }, + { .compatible = "amlogic,meson8b-sdio", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, meson_mx_mmc_of_match); + +static struct platform_driver meson_mx_mmc_driver = { + .probe = meson_mx_mmc_probe, + .remove = meson_mx_mmc_remove, + .driver = { + .name = "meson-mx-sdio", + .of_match_table = of_match_ptr(meson_mx_mmc_of_match), + }, +}; + +module_platform_driver(meson_mx_mmc_driver); + +MODULE_DESCRIPTION("Meson6, Meson8 and Meson8b SDIO/MMC Host Driver"); +MODULE_AUTHOR("Carlo Caione <carlo@endlessm.com>"); +MODULE_AUTHOR("Martin Blumenstingl <martin.blumenstingl@googlemail.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index f1f54a818489..e8a1bb1ae694 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -1658,7 +1658,7 @@ static int mmci_probe(struct amba_device *dev, /* Get regulators and the supported OCR mask */ ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) goto clk_disable; if (!mmc->ocr_avail) diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 267f7ab08420..6457a7d8880f 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -67,6 +67,7 @@ #define SDC_RESP2 0x48 #define SDC_RESP3 0x4c #define SDC_BLK_NUM 0x50 +#define SDC_ADV_CFG0 0x64 #define EMMC_IOCON 0x7c #define SDC_ACMD_RESP 0x80 #define MSDC_DMA_SA 0x90 @@ -74,10 +75,14 @@ #define MSDC_DMA_CFG 0x9c #define MSDC_PATCH_BIT 0xb0 #define MSDC_PATCH_BIT1 0xb4 +#define MSDC_PATCH_BIT2 0xb8 #define MSDC_PAD_TUNE 0xec +#define MSDC_PAD_TUNE0 0xf0 #define PAD_DS_TUNE 0x188 #define PAD_CMD_TUNE 0x18c #define EMMC50_CFG0 0x208 +#define EMMC50_CFG3 0x220 +#define SDC_FIFO_CFG 0x228 /*--------------------------------------------------------------------------*/ /* Register Mask */ @@ -95,6 +100,9 @@ #define MSDC_CFG_CKDIV (0xff << 8) /* RW */ #define MSDC_CFG_CKMOD (0x3 << 16) /* RW */ #define MSDC_CFG_HS400_CK_MODE (0x1 << 18) /* RW */ +#define MSDC_CFG_HS400_CK_MODE_EXTRA (0x1 << 22) /* RW */ +#define MSDC_CFG_CKDIV_EXTRA (0xfff << 8) /* RW */ +#define MSDC_CFG_CKMOD_EXTRA (0x3 << 20) /* RW */ /* MSDC_IOCON mask */ #define MSDC_IOCON_SDR104CKS (0x1 << 0) /* RW */ @@ -183,6 +191,9 @@ #define SDC_STS_CMDBUSY (0x1 << 1) /* RW */ #define SDC_STS_SWR_COMPL (0x1 << 31) /* RW */ +/* SDC_ADV_CFG0 mask */ +#define SDC_RX_ENHANCE_EN (0x1 << 20) /* RW */ + /* MSDC_DMA_CTRL mask */ #define MSDC_DMA_CTRL_START (0x1 << 0) /* W */ #define MSDC_DMA_CTRL_STOP (0x1 << 1) /* W */ @@ -212,11 +223,22 @@ #define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */ #define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */ +#define MSDC_PATCH_BIT1_STOP_DLY (0xf << 8) /* RW */ + +#define MSDC_PATCH_BIT2_CFGRESP (0x1 << 15) /* RW */ +#define MSDC_PATCH_BIT2_CFGCRCSTS (0x1 << 28) /* RW */ +#define MSDC_PB2_RESPWAIT (0x3 << 2) /* RW */ +#define MSDC_PB2_RESPSTSENSEL (0x7 << 16) /* RW */ +#define MSDC_PB2_CRCSTSENSEL (0x7 << 29) /* RW */ + #define MSDC_PAD_TUNE_DATWRDLY (0x1f << 0) /* RW */ #define MSDC_PAD_TUNE_DATRRDLY (0x1f << 8) /* RW */ #define MSDC_PAD_TUNE_CMDRDLY (0x1f << 16) /* RW */ #define MSDC_PAD_TUNE_CMDRRDLY (0x1f << 22) /* RW */ #define MSDC_PAD_TUNE_CLKTDLY (0x1f << 27) /* RW */ +#define MSDC_PAD_TUNE_RXDLYSEL (0x1 << 15) /* RW */ +#define MSDC_PAD_TUNE_RD_SEL (0x1 << 13) /* RW */ +#define MSDC_PAD_TUNE_CMD_SEL (0x1 << 21) /* RW */ #define PAD_DS_TUNE_DLY1 (0x1f << 2) /* RW */ #define PAD_DS_TUNE_DLY2 (0x1f << 7) /* RW */ @@ -228,6 +250,11 @@ #define EMMC50_CFG_CRCSTS_EDGE (0x1 << 3) /* RW */ #define EMMC50_CFG_CFCSTS_SEL (0x1 << 4) /* RW */ +#define EMMC50_CFG3_OUTS_WR (0x1f << 0) /* RW */ + +#define SDC_FIFO_CFG_WRVALIDSEL (0x1 << 24) /* RW */ +#define SDC_FIFO_CFG_RDVALIDSEL (0x1 << 25) /* RW */ + #define REQ_CMD_EIO (0x1 << 0) #define REQ_CMD_TMO (0x1 << 1) #define REQ_DAT_ERR (0x1 << 2) @@ -290,9 +317,23 @@ struct msdc_save_para { u32 pad_tune; u32 patch_bit0; u32 patch_bit1; + u32 patch_bit2; u32 pad_ds_tune; u32 pad_cmd_tune; u32 emmc50_cfg0; + u32 emmc50_cfg3; + u32 sdc_fifo_cfg; +}; + +struct mtk_mmc_compatible { + u8 clk_div_bits; + bool hs400_tune; /* only used for MT8173 */ + u32 pad_tune_reg; + bool async_fifo; + bool data_tune; + bool busy_check; + bool stop_clk_fix; + bool enhance_rx; }; struct msdc_tune_para { @@ -309,6 +350,7 @@ struct msdc_delay_phase { struct msdc_host { struct device *dev; + const struct mtk_mmc_compatible *dev_comp; struct mmc_host *mmc; /* mmc structure */ int cmd_rsp; @@ -334,11 +376,13 @@ struct msdc_host { struct clk *src_clk; /* msdc source clock */ struct clk *h_clk; /* msdc h_clk */ + struct clk *src_clk_cg; /* msdc source clock control gate */ u32 mclk; /* mmc subsystem clock frequency */ u32 src_clk_freq; /* source clock frequency */ u32 sclk; /* SD/MS bus clock frequency */ unsigned char timing; bool vqmmc_enabled; + u32 latch_ck; u32 hs400_ds_delay; u32 hs200_cmd_int_delay; /* cmd internal delay for HS200/SDR104 */ u32 hs400_cmd_int_delay; /* cmd internal delay for HS400 */ @@ -350,6 +394,59 @@ struct msdc_host { struct msdc_tune_para saved_tune_para; /* tune result of CMD21/CMD19 */ }; +static const struct mtk_mmc_compatible mt8135_compat = { + .clk_div_bits = 8, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE, + .async_fifo = false, + .data_tune = false, + .busy_check = false, + .stop_clk_fix = false, + .enhance_rx = false, +}; + +static const struct mtk_mmc_compatible mt8173_compat = { + .clk_div_bits = 8, + .hs400_tune = true, + .pad_tune_reg = MSDC_PAD_TUNE, + .async_fifo = false, + .data_tune = false, + .busy_check = false, + .stop_clk_fix = false, + .enhance_rx = false, +}; + +static const struct mtk_mmc_compatible mt2701_compat = { + .clk_div_bits = 12, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE0, + .async_fifo = true, + .data_tune = true, + .busy_check = false, + .stop_clk_fix = false, + .enhance_rx = false, +}; + +static const struct mtk_mmc_compatible mt2712_compat = { + .clk_div_bits = 12, + .hs400_tune = false, + .pad_tune_reg = MSDC_PAD_TUNE0, + .async_fifo = true, + .data_tune = true, + .busy_check = true, + .stop_clk_fix = true, + .enhance_rx = true, +}; + +static const struct of_device_id msdc_of_ids[] = { + { .compatible = "mediatek,mt8135-mmc", .data = &mt8135_compat}, + { .compatible = "mediatek,mt8173-mmc", .data = &mt8173_compat}, + { .compatible = "mediatek,mt2701-mmc", .data = &mt2701_compat}, + { .compatible = "mediatek,mt2712-mmc", .data = &mt2712_compat}, + {} +}; +MODULE_DEVICE_TABLE(of, msdc_of_ids); + static void sdr_set_bits(void __iomem *reg, u32 bs) { u32 val = readl(reg); @@ -509,7 +606,12 @@ static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) timeout = (ns + clk_ns - 1) / clk_ns + clks; /* in 1048576 sclk cycle unit */ timeout = (timeout + (0x1 << 20) - 1) >> 20; - sdr_get_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD, &mode); + if (host->dev_comp->clk_div_bits == 8) + sdr_get_field(host->base + MSDC_CFG, + MSDC_CFG_CKMOD, &mode); + else + sdr_get_field(host->base + MSDC_CFG, + MSDC_CFG_CKMOD_EXTRA, &mode); /*DDR mode will double the clk cycles for data timeout */ timeout = mode >= 2 ? timeout * 2 : timeout; timeout = timeout > 1 ? timeout - 1 : 0; @@ -520,6 +622,7 @@ static void msdc_set_timeout(struct msdc_host *host, u32 ns, u32 clks) static void msdc_gate_clock(struct msdc_host *host) { + clk_disable_unprepare(host->src_clk_cg); clk_disable_unprepare(host->src_clk); clk_disable_unprepare(host->h_clk); } @@ -528,6 +631,7 @@ static void msdc_ungate_clock(struct msdc_host *host) { clk_prepare_enable(host->h_clk); clk_prepare_enable(host->src_clk); + clk_prepare_enable(host->src_clk_cg); while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) cpu_relax(); } @@ -538,6 +642,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) u32 flags; u32 div; u32 sclk; + u32 tune_reg = host->dev_comp->pad_tune_reg; if (!hz) { dev_dbg(host->dev, "set mclk to 0\n"); @@ -548,7 +653,11 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) flags = readl(host->base + MSDC_INTEN); sdr_clr_bits(host->base + MSDC_INTEN, flags); - sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_HS400_CK_MODE); + if (host->dev_comp->clk_div_bits == 8) + sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_HS400_CK_MODE); + else + sdr_clr_bits(host->base + MSDC_CFG, + MSDC_CFG_HS400_CK_MODE_EXTRA); if (timing == MMC_TIMING_UHS_DDR50 || timing == MMC_TIMING_MMC_DDR52 || timing == MMC_TIMING_MMC_HS400) { @@ -568,8 +677,12 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) if (timing == MMC_TIMING_MMC_HS400 && hz >= (host->src_clk_freq >> 1)) { - sdr_set_bits(host->base + MSDC_CFG, - MSDC_CFG_HS400_CK_MODE); + if (host->dev_comp->clk_div_bits == 8) + sdr_set_bits(host->base + MSDC_CFG, + MSDC_CFG_HS400_CK_MODE); + else + sdr_set_bits(host->base + MSDC_CFG, + MSDC_CFG_HS400_CK_MODE_EXTRA); sclk = host->src_clk_freq >> 1; div = 0; /* div is ignore when bit18 is set */ } @@ -587,11 +700,31 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) sclk = (host->src_clk_freq >> 2) / div; } } - sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD | MSDC_CFG_CKDIV, - (mode << 8) | div); - sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); + sdr_clr_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); + /* + * As src_clk/HCLK use the same bit to gate/ungate, + * So if want to only gate src_clk, need gate its parent(mux). + */ + if (host->src_clk_cg) + clk_disable_unprepare(host->src_clk_cg); + else + clk_disable_unprepare(clk_get_parent(host->src_clk)); + if (host->dev_comp->clk_div_bits == 8) + sdr_set_field(host->base + MSDC_CFG, + MSDC_CFG_CKMOD | MSDC_CFG_CKDIV, + (mode << 8) | div); + else + sdr_set_field(host->base + MSDC_CFG, + MSDC_CFG_CKMOD_EXTRA | MSDC_CFG_CKDIV_EXTRA, + (mode << 12) | div); + if (host->src_clk_cg) + clk_prepare_enable(host->src_clk_cg); + else + clk_prepare_enable(clk_get_parent(host->src_clk)); + while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) cpu_relax(); + sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); host->sclk = sclk; host->mclk = hz; host->timing = timing; @@ -605,15 +738,16 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) */ if (host->sclk <= 52000000) { writel(host->def_tune_para.iocon, host->base + MSDC_IOCON); - writel(host->def_tune_para.pad_tune, host->base + MSDC_PAD_TUNE); + writel(host->def_tune_para.pad_tune, host->base + tune_reg); } else { writel(host->saved_tune_para.iocon, host->base + MSDC_IOCON); - writel(host->saved_tune_para.pad_tune, host->base + MSDC_PAD_TUNE); + writel(host->saved_tune_para.pad_tune, host->base + tune_reg); writel(host->saved_tune_para.pad_cmd_tune, host->base + PAD_CMD_TUNE); } - if (timing == MMC_TIMING_MMC_HS400) + if (timing == MMC_TIMING_MMC_HS400 && + host->dev_comp->hs400_tune) sdr_set_field(host->base + PAD_CMD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, host->hs400_cmd_int_delay); @@ -1165,6 +1299,7 @@ static irqreturn_t msdc_irq(int irq, void *dev_id) static void msdc_init_hw(struct msdc_host *host) { u32 val; + u32 tune_reg = host->dev_comp->pad_tune_reg; /* Configure to MMC/SD mode, clock free running */ sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_MODE | MSDC_CFG_CKPDN); @@ -1180,14 +1315,53 @@ static void msdc_init_hw(struct msdc_host *host) val = readl(host->base + MSDC_INT); writel(val, host->base + MSDC_INT); - writel(0, host->base + MSDC_PAD_TUNE); + writel(0, host->base + tune_reg); writel(0, host->base + MSDC_IOCON); sdr_set_field(host->base + MSDC_IOCON, MSDC_IOCON_DDLSEL, 0); writel(0x403c0046, host->base + MSDC_PATCH_BIT); sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_CKGEN_MSDC_DLY_SEL, 1); - writel(0xffff0089, host->base + MSDC_PATCH_BIT1); + writel(0xffff4089, host->base + MSDC_PATCH_BIT1); sdr_set_bits(host->base + EMMC50_CFG0, EMMC50_CFG_CFCSTS_SEL); + if (host->dev_comp->stop_clk_fix) { + sdr_set_field(host->base + MSDC_PATCH_BIT1, + MSDC_PATCH_BIT1_STOP_DLY, 3); + sdr_clr_bits(host->base + SDC_FIFO_CFG, + SDC_FIFO_CFG_WRVALIDSEL); + sdr_clr_bits(host->base + SDC_FIFO_CFG, + SDC_FIFO_CFG_RDVALIDSEL); + } + + if (host->dev_comp->busy_check) + sdr_clr_bits(host->base + MSDC_PATCH_BIT1, (1 << 7)); + + if (host->dev_comp->async_fifo) { + sdr_set_field(host->base + MSDC_PATCH_BIT2, + MSDC_PB2_RESPWAIT, 3); + if (host->dev_comp->enhance_rx) { + sdr_set_bits(host->base + SDC_ADV_CFG0, + SDC_RX_ENHANCE_EN); + } else { + sdr_set_field(host->base + MSDC_PATCH_BIT2, + MSDC_PB2_RESPSTSENSEL, 2); + sdr_set_field(host->base + MSDC_PATCH_BIT2, + MSDC_PB2_CRCSTSENSEL, 2); + } + /* use async fifo, then no need tune internal delay */ + sdr_clr_bits(host->base + MSDC_PATCH_BIT2, + MSDC_PATCH_BIT2_CFGRESP); + sdr_set_bits(host->base + MSDC_PATCH_BIT2, + MSDC_PATCH_BIT2_CFGCRCSTS); + } + + if (host->dev_comp->data_tune) { + sdr_set_bits(host->base + tune_reg, + MSDC_PAD_TUNE_RD_SEL | MSDC_PAD_TUNE_CMD_SEL); + } else { + /* choose clock tune */ + sdr_set_bits(host->base + tune_reg, MSDC_PAD_TUNE_RXDLYSEL); + } + /* Configure to enable SDIO mode. * it's must otherwise sdio cmd5 failed */ @@ -1200,7 +1374,9 @@ static void msdc_init_hw(struct msdc_host *host) sdr_set_field(host->base + SDC_CFG, SDC_CFG_DTOC, 3); host->def_tune_para.iocon = readl(host->base + MSDC_IOCON); - host->def_tune_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); + host->def_tune_para.pad_tune = readl(host->base + tune_reg); + host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); + host->saved_tune_para.pad_tune = readl(host->base + tune_reg); dev_dbg(host->dev, "init hardware done!"); } @@ -1343,18 +1519,19 @@ static int msdc_tune_response(struct mmc_host *mmc, u32 opcode) struct msdc_delay_phase internal_delay_phase; u8 final_delay, final_maxlen; u32 internal_delay = 0; + u32 tune_reg = host->dev_comp->pad_tune_reg; int cmd_err; int i, j; if (mmc->ios.timing == MMC_TIMING_MMC_HS200 || mmc->ios.timing == MMC_TIMING_UHS_SDR104) - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRRDLY, host->hs200_cmd_int_delay); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); for (i = 0 ; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, i); /* * Using the same parameters, it may sometimes pass the test, @@ -1373,12 +1550,13 @@ static int msdc_tune_response(struct mmc_host *mmc, u32 opcode) } final_rise_delay = get_best_delay(host, rise_delay); /* if rising edge has enough margin, then do not scan falling edge */ - if (final_rise_delay.maxlen >= 12 && final_rise_delay.start < 4) + if (final_rise_delay.maxlen >= 12 || + (final_rise_delay.start == 0 && final_rise_delay.maxlen >= 4)) goto skip_fall; sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); for (i = 0; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, i); /* * Using the same parameters, it may sometimes pass the test, @@ -1403,20 +1581,20 @@ skip_fall: final_maxlen = final_fall_delay.maxlen; if (final_maxlen == final_rise_delay.maxlen) { sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); - sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRDLY, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, final_rise_delay.final_phase); final_delay = final_rise_delay.final_phase; } else { sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_RSPL); - sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRDLY, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRDLY, final_fall_delay.final_phase); final_delay = final_fall_delay.final_phase; } - if (host->hs200_cmd_int_delay) + if (host->dev_comp->async_fifo || host->hs200_cmd_int_delay) goto skip_internal; for (i = 0; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRRDLY, i); mmc_send_tuning(mmc, opcode, &cmd_err); if (!cmd_err) @@ -1424,7 +1602,7 @@ skip_fall: } dev_dbg(host->dev, "Final internal delay: 0x%x\n", internal_delay); internal_delay_phase = get_best_delay(host, internal_delay); - sdr_set_field(host->base + MSDC_PAD_TUNE, MSDC_PAD_TUNE_CMDRRDLY, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_CMDRRDLY, internal_delay_phase.final_phase); skip_internal: dev_dbg(host->dev, "Final cmd pad delay: %x\n", final_delay); @@ -1486,12 +1664,15 @@ static int msdc_tune_data(struct mmc_host *mmc, u32 opcode) u32 rise_delay = 0, fall_delay = 0; struct msdc_delay_phase final_rise_delay, final_fall_delay = { 0,}; u8 final_delay, final_maxlen; + u32 tune_reg = host->dev_comp->pad_tune_reg; int i, ret; + sdr_set_field(host->base + MSDC_PATCH_BIT, MSDC_INT_DAT_LATCH_CK_SEL, + host->latch_ck); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); for (i = 0 ; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_DATRRDLY, i); ret = mmc_send_tuning(mmc, opcode, NULL); if (!ret) @@ -1506,7 +1687,7 @@ static int msdc_tune_data(struct mmc_host *mmc, u32 opcode) sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); for (i = 0; i < PAD_DELAY_MAX; i++) { - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_DATRRDLY, i); ret = mmc_send_tuning(mmc, opcode, NULL); if (!ret) @@ -1519,14 +1700,14 @@ skip_fall: if (final_maxlen == final_rise_delay.maxlen) { sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_clr_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_DATRRDLY, final_rise_delay.final_phase); final_delay = final_rise_delay.final_phase; } else { sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_DSPL); sdr_set_bits(host->base + MSDC_IOCON, MSDC_IOCON_W_DSPL); - sdr_set_field(host->base + MSDC_PAD_TUNE, + sdr_set_field(host->base + tune_reg, MSDC_PAD_TUNE_DATRRDLY, final_fall_delay.final_phase); final_delay = final_fall_delay.final_phase; @@ -1540,8 +1721,10 @@ static int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct msdc_host *host = mmc_priv(mmc); int ret; + u32 tune_reg = host->dev_comp->pad_tune_reg; - if (host->hs400_mode) + if (host->hs400_mode && + host->dev_comp->hs400_tune) ret = hs400_tune_response(mmc, opcode); else ret = msdc_tune_response(mmc, opcode); @@ -1556,7 +1739,7 @@ static int msdc_execute_tuning(struct mmc_host *mmc, u32 opcode) } host->saved_tune_para.iocon = readl(host->base + MSDC_IOCON); - host->saved_tune_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); + host->saved_tune_para.pad_tune = readl(host->base + tune_reg); host->saved_tune_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE); return ret; } @@ -1567,6 +1750,11 @@ static int msdc_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios) host->hs400_mode = true; writel(host->hs400_ds_delay, host->base + PAD_DS_TUNE); + /* hs400 mode must set it to 0 */ + sdr_clr_bits(host->base + MSDC_PATCH_BIT2, MSDC_PATCH_BIT2_CFGCRCSTS); + /* to improve read performance, set outstanding to 2 */ + sdr_set_field(host->base + EMMC50_CFG3, EMMC50_CFG3_OUTS_WR, 2); + return 0; } @@ -1596,6 +1784,9 @@ static const struct mmc_host_ops mt_msdc_ops = { static void msdc_of_property_parse(struct platform_device *pdev, struct msdc_host *host) { + of_property_read_u32(pdev->dev.of_node, "mediatek,latch-ck", + &host->latch_ck); + of_property_read_u32(pdev->dev.of_node, "hs400-ds-delay", &host->hs400_ds_delay); @@ -1617,12 +1808,17 @@ static int msdc_drv_probe(struct platform_device *pdev) struct mmc_host *mmc; struct msdc_host *host; struct resource *res; + const struct of_device_id *of_id; int ret; if (!pdev->dev.of_node) { dev_err(&pdev->dev, "No DT found\n"); return -EINVAL; } + + of_id = of_match_node(msdc_of_ids, pdev->dev.of_node); + if (!of_id) + return -EINVAL; /* Allocate MMC host for this device */ mmc = mmc_alloc_host(sizeof(struct msdc_host), &pdev->dev); if (!mmc) @@ -1641,7 +1837,7 @@ static int msdc_drv_probe(struct platform_device *pdev) } ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) goto host_free; host->src_clk = devm_clk_get(&pdev->dev, "source"); @@ -1656,6 +1852,11 @@ static int msdc_drv_probe(struct platform_device *pdev) goto host_free; } + /*source clock control gate is optional clock*/ + host->src_clk_cg = devm_clk_get(&pdev->dev, "source_cg"); + if (IS_ERR(host->src_clk_cg)) + host->src_clk_cg = NULL; + host->irq = platform_get_irq(pdev, 0); if (host->irq < 0) { ret = -EINVAL; @@ -1686,11 +1887,15 @@ static int msdc_drv_probe(struct platform_device *pdev) msdc_of_property_parse(pdev, host); host->dev = &pdev->dev; + host->dev_comp = of_id->data; host->mmc = mmc; host->src_clk_freq = clk_get_rate(host->src_clk); /* Set host parameters to mmc */ mmc->ops = &mt_msdc_ops; - mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 255); + if (host->dev_comp->clk_div_bits == 8) + mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 255); + else + mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 4095); mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23; /* MMC core transfer sizes tunable parameters */ @@ -1788,28 +1993,38 @@ static int msdc_drv_remove(struct platform_device *pdev) #ifdef CONFIG_PM static void msdc_save_reg(struct msdc_host *host) { + u32 tune_reg = host->dev_comp->pad_tune_reg; + host->save_para.msdc_cfg = readl(host->base + MSDC_CFG); host->save_para.iocon = readl(host->base + MSDC_IOCON); host->save_para.sdc_cfg = readl(host->base + SDC_CFG); - host->save_para.pad_tune = readl(host->base + MSDC_PAD_TUNE); + host->save_para.pad_tune = readl(host->base + tune_reg); host->save_para.patch_bit0 = readl(host->base + MSDC_PATCH_BIT); host->save_para.patch_bit1 = readl(host->base + MSDC_PATCH_BIT1); + host->save_para.patch_bit2 = readl(host->base + MSDC_PATCH_BIT2); host->save_para.pad_ds_tune = readl(host->base + PAD_DS_TUNE); host->save_para.pad_cmd_tune = readl(host->base + PAD_CMD_TUNE); host->save_para.emmc50_cfg0 = readl(host->base + EMMC50_CFG0); + host->save_para.emmc50_cfg3 = readl(host->base + EMMC50_CFG3); + host->save_para.sdc_fifo_cfg = readl(host->base + SDC_FIFO_CFG); } static void msdc_restore_reg(struct msdc_host *host) { + u32 tune_reg = host->dev_comp->pad_tune_reg; + writel(host->save_para.msdc_cfg, host->base + MSDC_CFG); writel(host->save_para.iocon, host->base + MSDC_IOCON); writel(host->save_para.sdc_cfg, host->base + SDC_CFG); - writel(host->save_para.pad_tune, host->base + MSDC_PAD_TUNE); + writel(host->save_para.pad_tune, host->base + tune_reg); writel(host->save_para.patch_bit0, host->base + MSDC_PATCH_BIT); writel(host->save_para.patch_bit1, host->base + MSDC_PATCH_BIT1); + writel(host->save_para.patch_bit2, host->base + MSDC_PATCH_BIT2); writel(host->save_para.pad_ds_tune, host->base + PAD_DS_TUNE); writel(host->save_para.pad_cmd_tune, host->base + PAD_CMD_TUNE); writel(host->save_para.emmc50_cfg0, host->base + EMMC50_CFG0); + writel(host->save_para.emmc50_cfg3, host->base + EMMC50_CFG3); + writel(host->save_para.sdc_fifo_cfg, host->base + SDC_FIFO_CFG); } static int msdc_runtime_suspend(struct device *dev) @@ -1839,12 +2054,6 @@ static const struct dev_pm_ops msdc_dev_pm_ops = { SET_RUNTIME_PM_OPS(msdc_runtime_suspend, msdc_runtime_resume, NULL) }; -static const struct of_device_id msdc_of_ids[] = { - { .compatible = "mediatek,mt8135-mmc", }, - {} -}; -MODULE_DEVICE_TABLE(of, msdc_of_ids); - static struct platform_driver mt_msdc_driver = { .probe = msdc_drv_probe, .remove = msdc_drv_remove, diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index 58d74b8d6c79..210247b3d11a 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -508,9 +508,9 @@ static irqreturn_t mvsd_irq(int irq, void *dev) return IRQ_NONE; } -static void mvsd_timeout_timer(unsigned long data) +static void mvsd_timeout_timer(struct timer_list *t) { - struct mvsd_host *host = (struct mvsd_host *)data; + struct mvsd_host *host = from_timer(host, t, timer); void __iomem *iobase = host->base; struct mmc_request *mrq; unsigned long flags; @@ -776,7 +776,7 @@ static int mvsd_probe(struct platform_device *pdev) goto out; } - setup_timer(&host->timer, mvsd_timeout_timer, (unsigned long)host); + timer_setup(&host->timer, mvsd_timeout_timer, 0); platform_set_drvdata(pdev, mmc); ret = mmc_add_host(mmc); if (ret) diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 1d5418e4efae..5ff8ef7223cc 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -963,10 +963,9 @@ static bool filter(struct dma_chan *chan, void *param) return true; } -static void mxcmci_watchdog(unsigned long data) +static void mxcmci_watchdog(struct timer_list *t) { - struct mmc_host *mmc = (struct mmc_host *)data; - struct mxcmci_host *host = mmc_priv(mmc); + struct mxcmci_host *host = from_timer(host, t, watchdog); struct mmc_request *req = host->req; unsigned int stat = mxcmci_readl(host, MMC_REG_STATUS); @@ -1075,7 +1074,7 @@ static int mxcmci_probe(struct platform_device *pdev) dat3_card_detect = true; ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) goto out_free; if (!mmc->ocr_avail) { @@ -1165,9 +1164,7 @@ static int mxcmci_probe(struct platform_device *pdev) goto out_free_dma; } - init_timer(&host->watchdog); - host->watchdog.function = &mxcmci_watchdog; - host->watchdog.data = (unsigned long)mmc; + timer_setup(&host->watchdog, mxcmci_watchdog, 0); mmc_add_host(mmc); diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index bd49f34d7654..adf32682f27a 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -625,9 +625,9 @@ static void mmc_omap_abort_command(struct work_struct *work) } static void -mmc_omap_cmd_timer(unsigned long data) +mmc_omap_cmd_timer(struct timer_list *t) { - struct mmc_omap_host *host = (struct mmc_omap_host *) data; + struct mmc_omap_host *host = from_timer(host, t, cmd_abort_timer); unsigned long flags; spin_lock_irqsave(&host->slot_lock, flags); @@ -654,9 +654,9 @@ mmc_omap_sg_to_buf(struct mmc_omap_host *host) } static void -mmc_omap_clk_timer(unsigned long data) +mmc_omap_clk_timer(struct timer_list *t) { - struct mmc_omap_host *host = (struct mmc_omap_host *) data; + struct mmc_omap_host *host = from_timer(host, t, clk_timer); mmc_omap_fclk_enable(host, 0); } @@ -874,9 +874,9 @@ void omap_mmc_notify_cover_event(struct device *dev, int num, int is_closed) tasklet_hi_schedule(&slot->cover_tasklet); } -static void mmc_omap_cover_timer(unsigned long arg) +static void mmc_omap_cover_timer(struct timer_list *t) { - struct mmc_omap_slot *slot = (struct mmc_omap_slot *) arg; + struct mmc_omap_slot *slot = from_timer(slot, t, cover_timer); tasklet_schedule(&slot->cover_tasklet); } @@ -1264,8 +1264,7 @@ static int mmc_omap_new_slot(struct mmc_omap_host *host, int id) mmc->max_seg_size = mmc->max_req_size; if (slot->pdata->get_cover_state != NULL) { - setup_timer(&slot->cover_timer, mmc_omap_cover_timer, - (unsigned long)slot); + timer_setup(&slot->cover_timer, mmc_omap_cover_timer, 0); tasklet_init(&slot->cover_tasklet, mmc_omap_cover_handler, (unsigned long)slot); } @@ -1352,11 +1351,10 @@ static int mmc_omap_probe(struct platform_device *pdev) INIT_WORK(&host->send_stop_work, mmc_omap_send_stop_work); INIT_WORK(&host->cmd_abort_work, mmc_omap_abort_command); - setup_timer(&host->cmd_abort_timer, mmc_omap_cmd_timer, - (unsigned long) host); + timer_setup(&host->cmd_abort_timer, mmc_omap_cmd_timer, 0); spin_lock_init(&host->clk_lock); - setup_timer(&host->clk_timer, mmc_omap_clk_timer, (unsigned long) host); + timer_setup(&host->clk_timer, mmc_omap_clk_timer, 0); spin_lock_init(&host->dma_lock); spin_lock_init(&host->slot_lock); diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 3b5e6d11069b..071693ebfe18 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -147,10 +147,6 @@ #define OMAP_MMC_MAX_CLOCK 52000000 #define DRIVER_NAME "omap_hsmmc" -#define VDD_1V8 1800000 /* 180000 uV */ -#define VDD_3V0 3000000 /* 300000 uV */ -#define VDD_165_195 (ffs(MMC_VDD_165_195) - 1) - /* * One controller can have multiple slots, like on some omap boards using * omap.c controller driver. Luckily this is not currently done on any known @@ -308,8 +304,7 @@ err_set_ocr: return ret; } -static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on, - int vdd) +static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on) { int ret; @@ -317,17 +312,6 @@ static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on, return 0; if (power_on) { - if (vdd <= VDD_165_195) - ret = regulator_set_voltage(host->pbias, VDD_1V8, - VDD_1V8); - else - ret = regulator_set_voltage(host->pbias, VDD_3V0, - VDD_3V0); - if (ret < 0) { - dev_err(host->dev, "pbias set voltage fail\n"); - return ret; - } - if (host->pbias_enabled == 0) { ret = regulator_enable(host->pbias); if (ret) { @@ -350,8 +334,7 @@ static int omap_hsmmc_set_pbias(struct omap_hsmmc_host *host, bool power_on, return 0; } -static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, - int vdd) +static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on) { struct mmc_host *mmc = host->mmc; int ret = 0; @@ -363,7 +346,7 @@ static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, if (IS_ERR(mmc->supply.vmmc)) return 0; - ret = omap_hsmmc_set_pbias(host, false, 0); + ret = omap_hsmmc_set_pbias(host, false); if (ret) return ret; @@ -385,7 +368,7 @@ static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on, if (ret) return ret; - ret = omap_hsmmc_set_pbias(host, true, vdd); + ret = omap_hsmmc_set_pbias(host, true); if (ret) goto err_set_voltage; } else { @@ -462,7 +445,7 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host) ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) return ret; /* Allow an aux regulator */ @@ -1220,11 +1203,11 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd) clk_disable_unprepare(host->dbclk); /* Turn the power off */ - ret = omap_hsmmc_set_power(host, 0, 0); + ret = omap_hsmmc_set_power(host, 0); /* Turn the power ON with given VDD 1.8 or 3.0v */ if (!ret) - ret = omap_hsmmc_set_power(host, 1, vdd); + ret = omap_hsmmc_set_power(host, 1); if (host->dbclk) clk_prepare_enable(host->dbclk); @@ -1621,10 +1604,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) if (ios->power_mode != host->power_mode) { switch (ios->power_mode) { case MMC_POWER_OFF: - omap_hsmmc_set_power(host, 0, 0); + omap_hsmmc_set_power(host, 0); break; case MMC_POWER_UP: - omap_hsmmc_set_power(host, 1, ios->vdd); + omap_hsmmc_set_power(host, 1); break; case MMC_POWER_ON: do_send_init_stream = 1; diff --git a/drivers/mmc/host/pxamci.h b/drivers/mmc/host/pxamci.h index f6c2e2fcce37..d301ca18c5d4 100644 --- a/drivers/mmc/host/pxamci.h +++ b/drivers/mmc/host/pxamci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define MMC_STRPCL 0x0000 #define STOP_CLOCK (1 << 0) #define START_CLOCK (2 << 0) diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index f905f2361d12..41cbe84c1d18 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -88,6 +88,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = { static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = { { .compatible = "renesas,sdhi-r8a7795", .data = &of_rcar_gen3_compatible, }, { .compatible = "renesas,sdhi-r8a7796", .data = &of_rcar_gen3_compatible, }, + { .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, }, {}, }; MODULE_DEVICE_TABLE(of, renesas_sdhi_internal_dmac_of_match); @@ -146,11 +147,8 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, WARN_ON(host->sg_len > 1); /* This DMAC cannot handle if buffer is not 8-bytes alignment */ - if (!IS_ALIGNED(sg->offset, 8)) { - host->force_pio = true; - renesas_sdhi_internal_dmac_enable_dma(host, false); - return; - } + if (!IS_ALIGNED(sg->offset, 8)) + goto force_pio; if (data->flags & MMC_DATA_READ) { dtran_mode |= DTRAN_MODE_CH_NUM_CH1; @@ -163,8 +161,8 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, } ret = dma_map_sg(&host->pdev->dev, sg, host->sg_len, dir); - if (ret < 0) - return; + if (ret == 0) + goto force_pio; renesas_sdhi_internal_dmac_enable_dma(host, true); @@ -176,6 +174,12 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host, dtran_mode); renesas_sdhi_internal_dmac_dm_write(host, DM_DTRAN_ADDR, sg->dma_address); + + return; + +force_pio: + host->force_pio = true; + renesas_sdhi_internal_dmac_enable_dma(host, false); } static void renesas_sdhi_internal_dmac_issue_tasklet_fn(unsigned long arg) diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c index df4465439e13..9ab10436e4b8 100644 --- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c @@ -91,7 +91,6 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = { }; static const struct of_device_id renesas_sdhi_sys_dmac_of_match[] = { - { .compatible = "renesas,sdhi-shmobile" }, { .compatible = "renesas,sdhi-sh73a0", .data = &of_default_cfg, }, { .compatible = "renesas,sdhi-r8a73a4", .data = &of_default_cfg, }, { .compatible = "renesas,sdhi-r8a7740", .data = &of_default_cfg, }, @@ -107,6 +106,10 @@ static const struct of_device_id renesas_sdhi_sys_dmac_of_match[] = { { .compatible = "renesas,sdhi-r8a7794", .data = &of_rcar_gen2_compatible, }, { .compatible = "renesas,sdhi-r8a7795", .data = &of_rcar_gen3_compatible, }, { .compatible = "renesas,sdhi-r8a7796", .data = &of_rcar_gen3_compatible, }, + { .compatible = "renesas,rcar-gen1-sdhi", .data = &of_rcar_gen1_compatible, }, + { .compatible = "renesas,rcar-gen2-sdhi", .data = &of_rcar_gen2_compatible, }, + { .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, }, + { .compatible = "renesas,sdhi-shmobile" }, {}, }; MODULE_DEVICE_TABLE(of, renesas_sdhi_sys_dmac_of_match); diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 41b57713b620..0848dc0f882e 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -618,29 +618,22 @@ static int sd_change_phase(struct realtek_pci_sdmmc *host, u8 sample_point, bool rx) { struct rtsx_pcr *pcr = host->pcr; - int err; dev_dbg(sdmmc_dev(host), "%s(%s): sample_point = %d\n", __func__, rx ? "RX" : "TX", sample_point); - rtsx_pci_init_cmd(pcr); - - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL, CHANGE_CLK, CHANGE_CLK); + rtsx_pci_write_register(pcr, CLK_CTL, CHANGE_CLK, CHANGE_CLK); if (rx) - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, - SD_VPRX_CTL, 0x1F, sample_point); + rtsx_pci_write_register(pcr, SD_VPRX_CTL, + PHASE_SELECT_MASK, sample_point); else - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, - SD_VPTX_CTL, 0x1F, sample_point); - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0); - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_VPCLK0_CTL, - PHASE_NOT_RESET, PHASE_NOT_RESET); - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, CLK_CTL, CHANGE_CLK, 0); - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0); - - err = rtsx_pci_send_cmd(pcr, 100); - if (err < 0) - return err; + rtsx_pci_write_register(pcr, SD_VPTX_CTL, + PHASE_SELECT_MASK, sample_point); + rtsx_pci_write_register(pcr, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0); + rtsx_pci_write_register(pcr, SD_VPCLK0_CTL, PHASE_NOT_RESET, + PHASE_NOT_RESET); + rtsx_pci_write_register(pcr, CLK_CTL, CHANGE_CLK, 0); + rtsx_pci_write_register(pcr, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0); return 0; } @@ -708,10 +701,12 @@ static int sd_tuning_rx_cmd(struct realtek_pci_sdmmc *host, { int err; struct mmc_command cmd = {}; + struct rtsx_pcr *pcr = host->pcr; - err = sd_change_phase(host, sample_point, true); - if (err < 0) - return err; + sd_change_phase(host, sample_point, true); + + rtsx_pci_write_register(pcr, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, + SD_RSP_80CLK_TIMEOUT_EN); cmd.opcode = opcode; err = sd_read_data(host, &cmd, 0x40, NULL, 0, 100); @@ -719,9 +714,12 @@ static int sd_tuning_rx_cmd(struct realtek_pci_sdmmc *host, /* Wait till SD DATA IDLE */ sd_wait_data_idle(host); sd_clear_error(host); + rtsx_pci_write_register(pcr, SD_CFG3, + SD_RSP_80CLK_TIMEOUT_EN, 0); return err; } + rtsx_pci_write_register(pcr, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0); return 0; } diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 08ae0ff13513..b988997a1e80 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -73,6 +73,7 @@ struct sdhci_acpi_slot { unsigned int caps2; mmc_pm_flag_t pm_caps; unsigned int flags; + size_t priv_size; int (*probe_slot)(struct platform_device *, const char *, const char *); int (*remove_slot)(struct platform_device *); }; @@ -82,13 +83,118 @@ struct sdhci_acpi_host { const struct sdhci_acpi_slot *slot; struct platform_device *pdev; bool use_runtime_pm; + unsigned long private[0] ____cacheline_aligned; }; +static inline void *sdhci_acpi_priv(struct sdhci_acpi_host *c) +{ + return (void *)c->private; +} + static inline bool sdhci_acpi_flag(struct sdhci_acpi_host *c, unsigned int flag) { return c->slot && (c->slot->flags & flag); } +enum { + INTEL_DSM_FNS = 0, + INTEL_DSM_V18_SWITCH = 3, + INTEL_DSM_V33_SWITCH = 4, +}; + +struct intel_host { + u32 dsm_fns; +}; + +static const guid_t intel_dsm_guid = + GUID_INIT(0xF6C13EA5, 0x65CD, 0x461F, + 0xAB, 0x7A, 0x29, 0xF7, 0xE8, 0xD5, 0xBD, 0x61); + +static int __intel_dsm(struct intel_host *intel_host, struct device *dev, + unsigned int fn, u32 *result) +{ + union acpi_object *obj; + int err = 0; + + obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &intel_dsm_guid, 0, fn, NULL); + if (!obj) + return -EOPNOTSUPP; + + if (obj->type == ACPI_TYPE_INTEGER) { + *result = obj->integer.value; + } else if (obj->type == ACPI_TYPE_BUFFER && obj->buffer.length > 0) { + size_t len = min_t(size_t, obj->buffer.length, 4); + + *result = 0; + memcpy(result, obj->buffer.pointer, len); + } else { + dev_err(dev, "%s DSM fn %u obj->type %d obj->buffer.length %d\n", + __func__, fn, obj->type, obj->buffer.length); + err = -EINVAL; + } + + ACPI_FREE(obj); + + return err; +} + +static int intel_dsm(struct intel_host *intel_host, struct device *dev, + unsigned int fn, u32 *result) +{ + if (fn > 31 || !(intel_host->dsm_fns & (1 << fn))) + return -EOPNOTSUPP; + + return __intel_dsm(intel_host, dev, fn, result); +} + +static void intel_dsm_init(struct intel_host *intel_host, struct device *dev, + struct mmc_host *mmc) +{ + int err; + + err = __intel_dsm(intel_host, dev, INTEL_DSM_FNS, &intel_host->dsm_fns); + if (err) { + pr_debug("%s: DSM not supported, error %d\n", + mmc_hostname(mmc), err); + return; + } + + pr_debug("%s: DSM function mask %#x\n", + mmc_hostname(mmc), intel_host->dsm_fns); +} + +static int intel_start_signal_voltage_switch(struct mmc_host *mmc, + struct mmc_ios *ios) +{ + struct device *dev = mmc_dev(mmc); + struct sdhci_acpi_host *c = dev_get_drvdata(dev); + struct intel_host *intel_host = sdhci_acpi_priv(c); + unsigned int fn; + u32 result = 0; + int err; + + err = sdhci_start_signal_voltage_switch(mmc, ios); + if (err) + return err; + + switch (ios->signal_voltage) { + case MMC_SIGNAL_VOLTAGE_330: + fn = INTEL_DSM_V33_SWITCH; + break; + case MMC_SIGNAL_VOLTAGE_180: + fn = INTEL_DSM_V18_SWITCH; + break; + default: + return 0; + } + + err = intel_dsm(intel_host, dev, fn, &result); + pr_debug("%s: %s DSM fn %u error %d result %u\n", + mmc_hostname(mmc), __func__, fn, err, result); + + return 0; +} + static void sdhci_acpi_int_hw_reset(struct sdhci_host *host) { u8 reg; @@ -269,56 +375,26 @@ out: return ret; } -static int sdhci_acpi_emmc_probe_slot(struct platform_device *pdev, - const char *hid, const char *uid) +static int intel_probe_slot(struct platform_device *pdev, const char *hid, + const char *uid) { struct sdhci_acpi_host *c = platform_get_drvdata(pdev); - struct sdhci_host *host; - - if (!c || !c->host) - return 0; - - host = c->host; - - /* Platform specific code during emmc probe slot goes here */ + struct intel_host *intel_host = sdhci_acpi_priv(c); + struct sdhci_host *host = c->host; if (hid && uid && !strcmp(hid, "80860F14") && !strcmp(uid, "1") && sdhci_readl(host, SDHCI_CAPABILITIES) == 0x446cc8b2 && sdhci_readl(host, SDHCI_CAPABILITIES_1) == 0x00000807) host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */ - return 0; -} - -static int sdhci_acpi_sdio_probe_slot(struct platform_device *pdev, - const char *hid, const char *uid) -{ - struct sdhci_acpi_host *c = platform_get_drvdata(pdev); - - if (!c || !c->host) - return 0; - - /* Platform specific code during sdio probe slot goes here */ - - return 0; -} - -static int sdhci_acpi_sd_probe_slot(struct platform_device *pdev, - const char *hid, const char *uid) -{ - struct sdhci_acpi_host *c = platform_get_drvdata(pdev); - struct sdhci_host *host; - - if (!c || !c->host || !c->slot) - return 0; - - host = c->host; - - /* Platform specific code during sd probe slot goes here */ - if (hid && !strcmp(hid, "80865ACA")) host->mmc_host_ops.get_cd = bxt_get_cd; + intel_dsm_init(intel_host, &pdev->dev, host->mmc); + + host->mmc_host_ops.start_signal_voltage_switch = + intel_start_signal_voltage_switch; + return 0; } @@ -332,7 +408,8 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = { .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | SDHCI_QUIRK2_STOP_WITH_TC | SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400, - .probe_slot = sdhci_acpi_emmc_probe_slot, + .probe_slot = intel_probe_slot, + .priv_size = sizeof(struct intel_host), }; static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { @@ -343,7 +420,8 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = { MMC_CAP_WAIT_WHILE_BUSY, .flags = SDHCI_ACPI_RUNTIME_PM, .pm_caps = MMC_PM_KEEP_POWER, - .probe_slot = sdhci_acpi_sdio_probe_slot, + .probe_slot = intel_probe_slot, + .priv_size = sizeof(struct intel_host), }; static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = { @@ -353,7 +431,8 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = { .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON | SDHCI_QUIRK2_STOP_WITH_TC, .caps = MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_AGGRESSIVE_PM, - .probe_slot = sdhci_acpi_sd_probe_slot, + .probe_slot = intel_probe_slot, + .priv_size = sizeof(struct intel_host), }; static const struct sdhci_acpi_slot sdhci_acpi_slot_qcom_sd_3v = { @@ -429,11 +508,13 @@ static const struct sdhci_acpi_slot *sdhci_acpi_get_slot(const char *hid, static int sdhci_acpi_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; + const struct sdhci_acpi_slot *slot; struct acpi_device *device, *child; struct sdhci_acpi_host *c; struct sdhci_host *host; struct resource *iomem; resource_size_t len; + size_t priv_size; const char *hid; const char *uid; int err; @@ -443,7 +524,9 @@ static int sdhci_acpi_probe(struct platform_device *pdev) return -ENODEV; hid = acpi_device_hid(device); - uid = device->pnp.unique_id; + uid = acpi_device_uid(device); + + slot = sdhci_acpi_get_slot(hid, uid); /* Power on the SDHCI controller and its children */ acpi_device_fix_up_power(device); @@ -467,13 +550,14 @@ static int sdhci_acpi_probe(struct platform_device *pdev) if (!devm_request_mem_region(dev, iomem->start, len, dev_name(dev))) return -ENOMEM; - host = sdhci_alloc_host(dev, sizeof(struct sdhci_acpi_host)); + priv_size = slot ? slot->priv_size : 0; + host = sdhci_alloc_host(dev, sizeof(struct sdhci_acpi_host) + priv_size); if (IS_ERR(host)) return PTR_ERR(host); c = sdhci_priv(host); c->host = host; - c->slot = sdhci_acpi_get_slot(hid, uid); + c->slot = slot; c->pdev = pdev; c->use_runtime_pm = sdhci_acpi_flag(c, SDHCI_ACPI_RUNTIME_PM); diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c index 56529c3d389a..0f589e26ee63 100644 --- a/drivers/mmc/host/sdhci-cadence.c +++ b/drivers/mmc/host/sdhci-cadence.c @@ -13,6 +13,7 @@ * GNU General Public License for more details. */ +#include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/iopoll.h> #include <linux/module.h> @@ -27,15 +28,14 @@ #define SDHCI_CDNS_HRS04_ACK BIT(26) #define SDHCI_CDNS_HRS04_RD BIT(25) #define SDHCI_CDNS_HRS04_WR BIT(24) -#define SDHCI_CDNS_HRS04_RDATA_SHIFT 16 -#define SDHCI_CDNS_HRS04_WDATA_SHIFT 8 -#define SDHCI_CDNS_HRS04_ADDR_SHIFT 0 +#define SDHCI_CDNS_HRS04_RDATA GENMASK(23, 16) +#define SDHCI_CDNS_HRS04_WDATA GENMASK(15, 8) +#define SDHCI_CDNS_HRS04_ADDR GENMASK(5, 0) #define SDHCI_CDNS_HRS06 0x18 /* eMMC control */ #define SDHCI_CDNS_HRS06_TUNE_UP BIT(15) -#define SDHCI_CDNS_HRS06_TUNE_SHIFT 8 -#define SDHCI_CDNS_HRS06_TUNE_MASK 0x3f -#define SDHCI_CDNS_HRS06_MODE_MASK 0x7 +#define SDHCI_CDNS_HRS06_TUNE GENMASK(13, 8) +#define SDHCI_CDNS_HRS06_MODE GENMASK(2, 0) #define SDHCI_CDNS_HRS06_MODE_SD 0x0 #define SDHCI_CDNS_HRS06_MODE_MMC_SDR 0x2 #define SDHCI_CDNS_HRS06_MODE_MMC_DDR 0x3 @@ -105,8 +105,8 @@ static int sdhci_cdns_write_phy_reg(struct sdhci_cdns_priv *priv, u32 tmp; int ret; - tmp = (data << SDHCI_CDNS_HRS04_WDATA_SHIFT) | - (addr << SDHCI_CDNS_HRS04_ADDR_SHIFT); + tmp = FIELD_PREP(SDHCI_CDNS_HRS04_WDATA, data) | + FIELD_PREP(SDHCI_CDNS_HRS04_ADDR, addr); writel(tmp, reg); tmp |= SDHCI_CDNS_HRS04_WR; @@ -189,8 +189,8 @@ static void sdhci_cdns_set_emmc_mode(struct sdhci_cdns_priv *priv, u32 mode) /* The speed mode for eMMC is selected by HRS06 register */ tmp = readl(priv->hrs_addr + SDHCI_CDNS_HRS06); - tmp &= ~SDHCI_CDNS_HRS06_MODE_MASK; - tmp |= mode; + tmp &= ~SDHCI_CDNS_HRS06_MODE; + tmp |= FIELD_PREP(SDHCI_CDNS_HRS06_MODE, mode); writel(tmp, priv->hrs_addr + SDHCI_CDNS_HRS06); } @@ -199,7 +199,7 @@ static u32 sdhci_cdns_get_emmc_mode(struct sdhci_cdns_priv *priv) u32 tmp; tmp = readl(priv->hrs_addr + SDHCI_CDNS_HRS06); - return tmp & SDHCI_CDNS_HRS06_MODE_MASK; + return FIELD_GET(SDHCI_CDNS_HRS06_MODE, tmp); } static void sdhci_cdns_set_uhs_signaling(struct sdhci_host *host, @@ -254,12 +254,12 @@ static int sdhci_cdns_set_tune_val(struct sdhci_host *host, unsigned int val) void __iomem *reg = priv->hrs_addr + SDHCI_CDNS_HRS06; u32 tmp; - if (WARN_ON(val > SDHCI_CDNS_HRS06_TUNE_MASK)) + if (WARN_ON(!FIELD_FIT(SDHCI_CDNS_HRS06_TUNE, val))) return -EINVAL; tmp = readl(reg); - tmp &= ~(SDHCI_CDNS_HRS06_TUNE_MASK << SDHCI_CDNS_HRS06_TUNE_SHIFT); - tmp |= val << SDHCI_CDNS_HRS06_TUNE_SHIFT; + tmp &= ~SDHCI_CDNS_HRS06_TUNE; + tmp |= FIELD_PREP(SDHCI_CDNS_HRS06_TUNE, val); tmp |= SDHCI_CDNS_HRS06_TUNE_UP; writel(tmp, reg); diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index fc73e56eb1e2..3fb7d2eec93f 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -123,14 +123,17 @@ #define CMUX_SHIFT_PHASE_MASK (7 << CMUX_SHIFT_PHASE_SHIFT) #define MSM_MMC_AUTOSUSPEND_DELAY_MS 50 + +/* Timeout value to avoid infinite waiting for pwr_irq */ +#define MSM_PWR_IRQ_TIMEOUT_MS 5000 + struct sdhci_msm_host { struct platform_device *pdev; void __iomem *core_mem; /* MSM SDCC mapped address */ int pwr_irq; /* power irq */ - struct clk *clk; /* main SD/MMC bus clock */ - struct clk *pclk; /* SDHC peripheral bus clock */ struct clk *bus_clk; /* SDHC bus voter clock */ struct clk *xo_clk; /* TCXO clk needed for FLL feature of cm_dll*/ + struct clk_bulk_data bulk_clks[4]; /* core, iface, cal, sleep clocks */ unsigned long clk_rate; struct mmc_host *mmc; bool use_14lpp_dll_reset; @@ -138,6 +141,10 @@ struct sdhci_msm_host { bool calibration_done; u8 saved_tuning_phase; bool use_cdclp533; + u32 curr_pwr_state; + u32 curr_io_level; + wait_queue_head_t pwr_irq_wait; + bool pwr_irq_flag; }; static unsigned int msm_get_clock_rate_for_bus_mode(struct sdhci_host *host, @@ -164,10 +171,11 @@ static void msm_set_clock_rate_for_bus_mode(struct sdhci_host *host, struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); struct mmc_ios curr_ios = host->mmc->ios; + struct clk *core_clk = msm_host->bulk_clks[0].clk; int rc; clock = msm_get_clock_rate_for_bus_mode(host, clock); - rc = clk_set_rate(msm_host->clk, clock); + rc = clk_set_rate(core_clk, clock); if (rc) { pr_err("%s: Failed to set clock at rate %u at timing %d\n", mmc_hostname(host->mmc), clock, @@ -176,7 +184,7 @@ static void msm_set_clock_rate_for_bus_mode(struct sdhci_host *host, } msm_host->clk_rate = clock; pr_debug("%s: Setting clock at rate %lu at timing %d\n", - mmc_hostname(host->mmc), clk_get_rate(msm_host->clk), + mmc_hostname(host->mmc), clk_get_rate(core_clk), curr_ios.timing); } @@ -995,21 +1003,142 @@ static void sdhci_msm_set_uhs_signaling(struct sdhci_host *host, sdhci_msm_hs400(host, &mmc->ios); } -static void sdhci_msm_voltage_switch(struct sdhci_host *host) +static inline void sdhci_msm_init_pwr_irq_wait(struct sdhci_msm_host *msm_host) +{ + init_waitqueue_head(&msm_host->pwr_irq_wait); +} + +static inline void sdhci_msm_complete_pwr_irq_wait( + struct sdhci_msm_host *msm_host) +{ + wake_up(&msm_host->pwr_irq_wait); +} + +/* + * sdhci_msm_check_power_status API should be called when registers writes + * which can toggle sdhci IO bus ON/OFF or change IO lines HIGH/LOW happens. + * To what state the register writes will change the IO lines should be passed + * as the argument req_type. This API will check whether the IO line's state + * is already the expected state and will wait for power irq only if + * power irq is expected to be trigerred based on the current IO line state + * and expected IO line state. + */ +static void sdhci_msm_check_power_status(struct sdhci_host *host, u32 req_type) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + bool done = false; + + pr_debug("%s: %s: request %d curr_pwr_state %x curr_io_level %x\n", + mmc_hostname(host->mmc), __func__, req_type, + msm_host->curr_pwr_state, msm_host->curr_io_level); + + /* + * The IRQ for request type IO High/LOW will be generated when - + * there is a state change in 1.8V enable bit (bit 3) of + * SDHCI_HOST_CONTROL2 register. The reset state of that bit is 0 + * which indicates 3.3V IO voltage. So, when MMC core layer tries + * to set it to 3.3V before card detection happens, the + * IRQ doesn't get triggered as there is no state change in this bit. + * The driver already handles this case by changing the IO voltage + * level to high as part of controller power up sequence. Hence, check + * for host->pwr to handle a case where IO voltage high request is + * issued even before controller power up. + */ + if ((req_type & REQ_IO_HIGH) && !host->pwr) { + pr_debug("%s: do not wait for power IRQ that never comes, req_type: %d\n", + mmc_hostname(host->mmc), req_type); + return; + } + if ((req_type & msm_host->curr_pwr_state) || + (req_type & msm_host->curr_io_level)) + done = true; + /* + * This is needed here to handle cases where register writes will + * not change the current bus state or io level of the controller. + * In this case, no power irq will be triggerred and we should + * not wait. + */ + if (!done) { + if (!wait_event_timeout(msm_host->pwr_irq_wait, + msm_host->pwr_irq_flag, + msecs_to_jiffies(MSM_PWR_IRQ_TIMEOUT_MS))) + dev_warn(&msm_host->pdev->dev, + "%s: pwr_irq for req: (%d) timed out\n", + mmc_hostname(host->mmc), req_type); + } + pr_debug("%s: %s: request %d done\n", mmc_hostname(host->mmc), + __func__, req_type); +} + +static void sdhci_msm_dump_pwr_ctrl_regs(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + + pr_err("%s: PWRCTL_STATUS: 0x%08x | PWRCTL_MASK: 0x%08x | PWRCTL_CTL: 0x%08x\n", + mmc_hostname(host->mmc), + readl_relaxed(msm_host->core_mem + CORE_PWRCTL_STATUS), + readl_relaxed(msm_host->core_mem + CORE_PWRCTL_MASK), + readl_relaxed(msm_host->core_mem + CORE_PWRCTL_CTL)); +} + +static void sdhci_msm_handle_pwr_irq(struct sdhci_host *host, int irq) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); u32 irq_status, irq_ack = 0; + int retry = 10; + int pwr_state = 0, io_level = 0; + irq_status = readl_relaxed(msm_host->core_mem + CORE_PWRCTL_STATUS); irq_status &= INT_MASK; writel_relaxed(irq_status, msm_host->core_mem + CORE_PWRCTL_CLEAR); - if (irq_status & (CORE_PWRCTL_BUS_ON | CORE_PWRCTL_BUS_OFF)) + /* + * There is a rare HW scenario where the first clear pulse could be + * lost when actual reset and clear/read of status register is + * happening at a time. Hence, retry for at least 10 times to make + * sure status register is cleared. Otherwise, this will result in + * a spurious power IRQ resulting in system instability. + */ + while (irq_status & readl_relaxed(msm_host->core_mem + + CORE_PWRCTL_STATUS)) { + if (retry == 0) { + pr_err("%s: Timedout clearing (0x%x) pwrctl status register\n", + mmc_hostname(host->mmc), irq_status); + sdhci_msm_dump_pwr_ctrl_regs(host); + WARN_ON(1); + break; + } + writel_relaxed(irq_status, + msm_host->core_mem + CORE_PWRCTL_CLEAR); + retry--; + udelay(10); + } + + /* Handle BUS ON/OFF*/ + if (irq_status & CORE_PWRCTL_BUS_ON) { + pwr_state = REQ_BUS_ON; + io_level = REQ_IO_HIGH; + irq_ack |= CORE_PWRCTL_BUS_SUCCESS; + } + if (irq_status & CORE_PWRCTL_BUS_OFF) { + pwr_state = REQ_BUS_OFF; + io_level = REQ_IO_LOW; irq_ack |= CORE_PWRCTL_BUS_SUCCESS; - if (irq_status & (CORE_PWRCTL_IO_LOW | CORE_PWRCTL_IO_HIGH)) + } + /* Handle IO LOW/HIGH */ + if (irq_status & CORE_PWRCTL_IO_LOW) { + io_level = REQ_IO_LOW; + irq_ack |= CORE_PWRCTL_IO_SUCCESS; + } + if (irq_status & CORE_PWRCTL_IO_HIGH) { + io_level = REQ_IO_HIGH; irq_ack |= CORE_PWRCTL_IO_SUCCESS; + } /* * The driver has to acknowledge the interrupt, switch voltages and @@ -1017,13 +1146,27 @@ static void sdhci_msm_voltage_switch(struct sdhci_host *host) * switches are handled by the sdhci core, so just report success. */ writel_relaxed(irq_ack, msm_host->core_mem + CORE_PWRCTL_CTL); + + if (pwr_state) + msm_host->curr_pwr_state = pwr_state; + if (io_level) + msm_host->curr_io_level = io_level; + + pr_debug("%s: %s: Handled IRQ(%d), irq_status=0x%x, ack=0x%x\n", + mmc_hostname(msm_host->mmc), __func__, irq, irq_status, + irq_ack); } static irqreturn_t sdhci_msm_pwr_irq(int irq, void *data) { struct sdhci_host *host = (struct sdhci_host *)data; + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + + sdhci_msm_handle_pwr_irq(host, irq); + msm_host->pwr_irq_flag = 1; + sdhci_msm_complete_pwr_irq_wait(msm_host); - sdhci_msm_voltage_switch(host); return IRQ_HANDLED; } @@ -1032,8 +1175,9 @@ static unsigned int sdhci_msm_get_max_clock(struct sdhci_host *host) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + struct clk *core_clk = msm_host->bulk_clks[0].clk; - return clk_round_rate(msm_host->clk, ULONG_MAX); + return clk_round_rate(core_clk, ULONG_MAX); } static unsigned int sdhci_msm_get_min_clock(struct sdhci_host *host) @@ -1092,6 +1236,69 @@ out: __sdhci_msm_set_clock(host, clock); } +/* + * Platform specific register write functions. This is so that, if any + * register write needs to be followed up by platform specific actions, + * they can be added here. These functions can go to sleep when writes + * to certain registers are done. + * These functions are relying on sdhci_set_ios not using spinlock. + */ +static int __sdhci_msm_check_write(struct sdhci_host *host, u16 val, int reg) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); + u32 req_type = 0; + + switch (reg) { + case SDHCI_HOST_CONTROL2: + req_type = (val & SDHCI_CTRL_VDD_180) ? REQ_IO_LOW : + REQ_IO_HIGH; + break; + case SDHCI_SOFTWARE_RESET: + if (host->pwr && (val & SDHCI_RESET_ALL)) + req_type = REQ_BUS_OFF; + break; + case SDHCI_POWER_CONTROL: + req_type = !val ? REQ_BUS_OFF : REQ_BUS_ON; + break; + } + + if (req_type) { + msm_host->pwr_irq_flag = 0; + /* + * Since this register write may trigger a power irq, ensure + * all previous register writes are complete by this point. + */ + mb(); + } + return req_type; +} + +/* This function may sleep*/ +static void sdhci_msm_writew(struct sdhci_host *host, u16 val, int reg) +{ + u32 req_type = 0; + + req_type = __sdhci_msm_check_write(host, val, reg); + writew_relaxed(val, host->ioaddr + reg); + + if (req_type) + sdhci_msm_check_power_status(host, req_type); +} + +/* This function may sleep*/ +static void sdhci_msm_writeb(struct sdhci_host *host, u8 val, int reg) +{ + u32 req_type = 0; + + req_type = __sdhci_msm_check_write(host, val, reg); + + writeb_relaxed(val, host->ioaddr + reg); + + if (req_type) + sdhci_msm_check_power_status(host, req_type); +} + static const struct of_device_id sdhci_msm_dt_match[] = { { .compatible = "qcom,sdhci-msm-v4" }, {}, @@ -1106,7 +1313,8 @@ static const struct sdhci_ops sdhci_msm_ops = { .get_max_clock = sdhci_msm_get_max_clock, .set_bus_width = sdhci_set_bus_width, .set_uhs_signaling = sdhci_msm_set_uhs_signaling, - .voltage_switch = sdhci_msm_voltage_switch, + .write_w = sdhci_msm_writew, + .write_b = sdhci_msm_writeb, }; static const struct sdhci_pltfm_data sdhci_msm_pdata = { @@ -1124,6 +1332,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) struct sdhci_pltfm_host *pltfm_host; struct sdhci_msm_host *msm_host; struct resource *core_memres; + struct clk *clk; int ret; u16 host_version, core_minor; u32 core_version, config; @@ -1160,24 +1369,42 @@ static int sdhci_msm_probe(struct platform_device *pdev) } /* Setup main peripheral bus clock */ - msm_host->pclk = devm_clk_get(&pdev->dev, "iface"); - if (IS_ERR(msm_host->pclk)) { - ret = PTR_ERR(msm_host->pclk); + clk = devm_clk_get(&pdev->dev, "iface"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); dev_err(&pdev->dev, "Peripheral clk setup failed (%d)\n", ret); goto bus_clk_disable; } - - ret = clk_prepare_enable(msm_host->pclk); - if (ret) - goto bus_clk_disable; + msm_host->bulk_clks[1].clk = clk; /* Setup SDC MMC clock */ - msm_host->clk = devm_clk_get(&pdev->dev, "core"); - if (IS_ERR(msm_host->clk)) { - ret = PTR_ERR(msm_host->clk); + clk = devm_clk_get(&pdev->dev, "core"); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); dev_err(&pdev->dev, "SDC MMC clk setup failed (%d)\n", ret); - goto pclk_disable; + goto bus_clk_disable; } + msm_host->bulk_clks[0].clk = clk; + + /* Vote for maximum clock rate for maximum performance */ + ret = clk_set_rate(clk, INT_MAX); + if (ret) + dev_warn(&pdev->dev, "core clock boost failed\n"); + + clk = devm_clk_get(&pdev->dev, "cal"); + if (IS_ERR(clk)) + clk = NULL; + msm_host->bulk_clks[2].clk = clk; + + clk = devm_clk_get(&pdev->dev, "sleep"); + if (IS_ERR(clk)) + clk = NULL; + msm_host->bulk_clks[3].clk = clk; + + ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks), + msm_host->bulk_clks); + if (ret) + goto bus_clk_disable; /* * xo clock is needed for FLL feature of cm_dll. @@ -1189,15 +1416,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) dev_warn(&pdev->dev, "TCXO clk not present (%d)\n", ret); } - /* Vote for maximum clock rate for maximum performance */ - ret = clk_set_rate(msm_host->clk, INT_MAX); - if (ret) - dev_warn(&pdev->dev, "core clock boost failed\n"); - - ret = clk_prepare_enable(msm_host->clk); - if (ret) - goto pclk_disable; - core_memres = platform_get_resource(pdev, IORESOURCE_MEM, 1); msm_host->core_mem = devm_ioremap_resource(&pdev->dev, core_memres); @@ -1251,6 +1469,21 @@ static int sdhci_msm_probe(struct platform_device *pdev) CORE_VENDOR_SPEC_CAPABILITIES0); } + /* + * Power on reset state may trigger power irq if previous status of + * PWRCTL was either BUS_ON or IO_HIGH_V. So before enabling pwr irq + * interrupt in GIC, any pending power irq interrupt should be + * acknowledged. Otherwise power irq interrupt handler would be + * fired prematurely. + */ + sdhci_msm_handle_pwr_irq(host, 0); + + /* + * Ensure that above writes are propogated before interrupt enablement + * in GIC. + */ + mb(); + /* Setup IRQ for handling power/voltage tasks with PMIC */ msm_host->pwr_irq = platform_get_irq_byname(pdev, "pwr_irq"); if (msm_host->pwr_irq < 0) { @@ -1260,6 +1493,10 @@ static int sdhci_msm_probe(struct platform_device *pdev) goto clk_disable; } + sdhci_msm_init_pwr_irq_wait(msm_host); + /* Enable pwr irq interrupts */ + writel_relaxed(INT_MASK, msm_host->core_mem + CORE_PWRCTL_MASK); + ret = devm_request_threaded_irq(&pdev->dev, msm_host->pwr_irq, NULL, sdhci_msm_pwr_irq, IRQF_ONESHOT, dev_name(&pdev->dev), host); @@ -1290,9 +1527,8 @@ pm_runtime_disable: pm_runtime_set_suspended(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); clk_disable: - clk_disable_unprepare(msm_host->clk); -pclk_disable: - clk_disable_unprepare(msm_host->pclk); + clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks), + msm_host->bulk_clks); bus_clk_disable: if (!IS_ERR(msm_host->bus_clk)) clk_disable_unprepare(msm_host->bus_clk); @@ -1315,8 +1551,8 @@ static int sdhci_msm_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); pm_runtime_put_noidle(&pdev->dev); - clk_disable_unprepare(msm_host->clk); - clk_disable_unprepare(msm_host->pclk); + clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks), + msm_host->bulk_clks); if (!IS_ERR(msm_host->bus_clk)) clk_disable_unprepare(msm_host->bus_clk); sdhci_pltfm_free(pdev); @@ -1330,8 +1566,8 @@ static int sdhci_msm_runtime_suspend(struct device *dev) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); - clk_disable_unprepare(msm_host->clk); - clk_disable_unprepare(msm_host->pclk); + clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks), + msm_host->bulk_clks); return 0; } @@ -1341,21 +1577,9 @@ static int sdhci_msm_runtime_resume(struct device *dev) struct sdhci_host *host = dev_get_drvdata(dev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_msm_host *msm_host = sdhci_pltfm_priv(pltfm_host); - int ret; - ret = clk_prepare_enable(msm_host->clk); - if (ret) { - dev_err(dev, "clk_enable failed for core_clk: %d\n", ret); - return ret; - } - ret = clk_prepare_enable(msm_host->pclk); - if (ret) { - dev_err(dev, "clk_enable failed for iface_clk: %d\n", ret); - clk_disable_unprepare(msm_host->clk); - return ret; - } - - return 0; + return clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks), + msm_host->bulk_clks); } #endif diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index 4e47ed6bc716..682c573e20a7 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -114,7 +114,8 @@ static void sdhci_at91_set_power(struct sdhci_host *host, unsigned char mode, sdhci_set_power_noreg(host, mode, vdd); } -void sdhci_at91_set_uhs_signaling(struct sdhci_host *host, unsigned int timing) +static void sdhci_at91_set_uhs_signaling(struct sdhci_host *host, + unsigned int timing) { if (timing == MMC_TIMING_MMC_DDR52) sdhci_writeb(host, SDMMC_MC1R_DDR, SDMMC_MC1R); diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index d96a057a7db8..1f424374bbbb 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -458,6 +458,33 @@ static unsigned int esdhc_of_get_min_clock(struct sdhci_host *host) return clock / 256 / 16; } +static void esdhc_clock_enable(struct sdhci_host *host, bool enable) +{ + u32 val; + ktime_t timeout; + + val = sdhci_readl(host, ESDHC_SYSTEM_CONTROL); + + if (enable) + val |= ESDHC_CLOCK_SDCLKEN; + else + val &= ~ESDHC_CLOCK_SDCLKEN; + + sdhci_writel(host, val, ESDHC_SYSTEM_CONTROL); + + /* Wait max 20 ms */ + timeout = ktime_add_ms(ktime_get(), 20); + val = ESDHC_CLOCK_STABLE; + while (!(sdhci_readl(host, ESDHC_PRSSTAT) & val)) { + if (ktime_after(ktime_get(), timeout)) { + pr_err("%s: Internal clock never stabilised.\n", + mmc_hostname(host->mmc)); + break; + } + udelay(10); + } +} + static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); @@ -469,8 +496,10 @@ static void esdhc_of_set_clock(struct sdhci_host *host, unsigned int clock) host->mmc->actual_clock = 0; - if (clock == 0) + if (clock == 0) { + esdhc_clock_enable(host, false); return; + } /* Workaround to start pre_div at 2 for VNN < VENDOR_V_23 */ if (esdhc->vendor_ver < VENDOR_V_23) @@ -558,33 +587,6 @@ static void esdhc_pltfm_set_bus_width(struct sdhci_host *host, int width) sdhci_writel(host, ctrl, ESDHC_PROCTL); } -static void esdhc_clock_enable(struct sdhci_host *host, bool enable) -{ - u32 val; - ktime_t timeout; - - val = sdhci_readl(host, ESDHC_SYSTEM_CONTROL); - - if (enable) - val |= ESDHC_CLOCK_SDCLKEN; - else - val &= ~ESDHC_CLOCK_SDCLKEN; - - sdhci_writel(host, val, ESDHC_SYSTEM_CONTROL); - - /* Wait max 20 ms */ - timeout = ktime_add_ms(ktime_get(), 20); - val = ESDHC_CLOCK_STABLE; - while (!(sdhci_readl(host, ESDHC_PRSSTAT) & val)) { - if (ktime_after(ktime_get(), timeout)) { - pr_err("%s: Internal clock never stabilised.\n", - mmc_hostname(host->mmc)); - break; - } - udelay(10); - } -} - static void esdhc_reset(struct sdhci_host *host, u8 mask) { sdhci_reset(host, mask); diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c new file mode 100644 index 000000000000..628bfe9a3d17 --- /dev/null +++ b/drivers/mmc/host/sdhci-omap.c @@ -0,0 +1,607 @@ +/** + * SDHCI Controller driver for TI's OMAP SoCs + * + * Copyright (C) 2017 Texas Instruments + * Author: Kishon Vijay Abraham I <kishon@ti.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 of + * the License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/delay.h> +#include <linux/mmc/slot-gpio.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/pm_runtime.h> +#include <linux/regulator/consumer.h> + +#include "sdhci-pltfm.h" + +#define SDHCI_OMAP_CON 0x12c +#define CON_DW8 BIT(5) +#define CON_DMA_MASTER BIT(20) +#define CON_INIT BIT(1) +#define CON_OD BIT(0) + +#define SDHCI_OMAP_CMD 0x20c + +#define SDHCI_OMAP_HCTL 0x228 +#define HCTL_SDBP BIT(8) +#define HCTL_SDVS_SHIFT 9 +#define HCTL_SDVS_MASK (0x7 << HCTL_SDVS_SHIFT) +#define HCTL_SDVS_33 (0x7 << HCTL_SDVS_SHIFT) +#define HCTL_SDVS_30 (0x6 << HCTL_SDVS_SHIFT) +#define HCTL_SDVS_18 (0x5 << HCTL_SDVS_SHIFT) + +#define SDHCI_OMAP_SYSCTL 0x22c +#define SYSCTL_CEN BIT(2) +#define SYSCTL_CLKD_SHIFT 6 +#define SYSCTL_CLKD_MASK 0x3ff + +#define SDHCI_OMAP_STAT 0x230 + +#define SDHCI_OMAP_IE 0x234 +#define INT_CC_EN BIT(0) + +#define SDHCI_OMAP_AC12 0x23c +#define AC12_V1V8_SIGEN BIT(19) + +#define SDHCI_OMAP_CAPA 0x240 +#define CAPA_VS33 BIT(24) +#define CAPA_VS30 BIT(25) +#define CAPA_VS18 BIT(26) + +#define SDHCI_OMAP_TIMEOUT 1 /* 1 msec */ + +#define SYSCTL_CLKD_MAX 0x3FF + +#define IOV_1V8 1800000 /* 180000 uV */ +#define IOV_3V0 3000000 /* 300000 uV */ +#define IOV_3V3 3300000 /* 330000 uV */ + +struct sdhci_omap_data { + u32 offset; +}; + +struct sdhci_omap_host { + void __iomem *base; + struct device *dev; + struct regulator *pbias; + bool pbias_enabled; + struct sdhci_host *host; + u8 bus_mode; + u8 power_mode; +}; + +static inline u32 sdhci_omap_readl(struct sdhci_omap_host *host, + unsigned int offset) +{ + return readl(host->base + offset); +} + +static inline void sdhci_omap_writel(struct sdhci_omap_host *host, + unsigned int offset, u32 data) +{ + writel(data, host->base + offset); +} + +static int sdhci_omap_set_pbias(struct sdhci_omap_host *omap_host, + bool power_on, unsigned int iov) +{ + int ret; + struct device *dev = omap_host->dev; + + if (IS_ERR(omap_host->pbias)) + return 0; + + if (power_on) { + ret = regulator_set_voltage(omap_host->pbias, iov, iov); + if (ret) { + dev_err(dev, "pbias set voltage failed\n"); + return ret; + } + + if (omap_host->pbias_enabled) + return 0; + + ret = regulator_enable(omap_host->pbias); + if (ret) { + dev_err(dev, "pbias reg enable fail\n"); + return ret; + } + + omap_host->pbias_enabled = true; + } else { + if (!omap_host->pbias_enabled) + return 0; + + ret = regulator_disable(omap_host->pbias); + if (ret) { + dev_err(dev, "pbias reg disable fail\n"); + return ret; + } + omap_host->pbias_enabled = false; + } + + return 0; +} + +static int sdhci_omap_enable_iov(struct sdhci_omap_host *omap_host, + unsigned int iov) +{ + int ret; + struct sdhci_host *host = omap_host->host; + struct mmc_host *mmc = host->mmc; + + ret = sdhci_omap_set_pbias(omap_host, false, 0); + if (ret) + return ret; + + if (!IS_ERR(mmc->supply.vqmmc)) { + ret = regulator_set_voltage(mmc->supply.vqmmc, iov, iov); + if (ret) { + dev_err(mmc_dev(mmc), "vqmmc set voltage failed\n"); + return ret; + } + } + + ret = sdhci_omap_set_pbias(omap_host, true, iov); + if (ret) + return ret; + + return 0; +} + +static void sdhci_omap_conf_bus_power(struct sdhci_omap_host *omap_host, + unsigned char signal_voltage) +{ + u32 reg; + ktime_t timeout; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL); + reg &= ~HCTL_SDVS_MASK; + + if (signal_voltage == MMC_SIGNAL_VOLTAGE_330) + reg |= HCTL_SDVS_33; + else + reg |= HCTL_SDVS_18; + + sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, reg); + + reg |= HCTL_SDBP; + sdhci_omap_writel(omap_host, SDHCI_OMAP_HCTL, reg); + + /* wait 1ms */ + timeout = ktime_add_ms(ktime_get(), SDHCI_OMAP_TIMEOUT); + while (!(sdhci_omap_readl(omap_host, SDHCI_OMAP_HCTL) & HCTL_SDBP)) { + if (WARN_ON(ktime_after(ktime_get(), timeout))) + return; + usleep_range(5, 10); + } +} + +static int sdhci_omap_start_signal_voltage_switch(struct mmc_host *mmc, + struct mmc_ios *ios) +{ + u32 reg; + int ret; + unsigned int iov; + struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_omap_host *omap_host; + struct device *dev; + + pltfm_host = sdhci_priv(host); + omap_host = sdhci_pltfm_priv(pltfm_host); + dev = omap_host->dev; + + if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330) { + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA); + if (!(reg & CAPA_VS33)) + return -EOPNOTSUPP; + + sdhci_omap_conf_bus_power(omap_host, ios->signal_voltage); + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12); + reg &= ~AC12_V1V8_SIGEN; + sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg); + + iov = IOV_3V3; + } else if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_180) { + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA); + if (!(reg & CAPA_VS18)) + return -EOPNOTSUPP; + + sdhci_omap_conf_bus_power(omap_host, ios->signal_voltage); + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_AC12); + reg |= AC12_V1V8_SIGEN; + sdhci_omap_writel(omap_host, SDHCI_OMAP_AC12, reg); + + iov = IOV_1V8; + } else { + return -EOPNOTSUPP; + } + + ret = sdhci_omap_enable_iov(omap_host, iov); + if (ret) { + dev_err(dev, "failed to switch IO voltage to %dmV\n", iov); + return ret; + } + + dev_dbg(dev, "IO voltage switched to %dmV\n", iov); + return 0; +} + +static void sdhci_omap_set_bus_mode(struct sdhci_omap_host *omap_host, + unsigned int mode) +{ + u32 reg; + + if (omap_host->bus_mode == mode) + return; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + if (mode == MMC_BUSMODE_OPENDRAIN) + reg |= CON_OD; + else + reg &= ~CON_OD; + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + + omap_host->bus_mode = mode; +} + +static void sdhci_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) +{ + struct sdhci_host *host = mmc_priv(mmc); + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_omap_host *omap_host; + + pltfm_host = sdhci_priv(host); + omap_host = sdhci_pltfm_priv(pltfm_host); + + sdhci_omap_set_bus_mode(omap_host, ios->bus_mode); + sdhci_set_ios(mmc, ios); +} + +static u16 sdhci_omap_calc_divisor(struct sdhci_pltfm_host *host, + unsigned int clock) +{ + u16 dsor; + + dsor = DIV_ROUND_UP(clk_get_rate(host->clk), clock); + if (dsor > SYSCTL_CLKD_MAX) + dsor = SYSCTL_CLKD_MAX; + + return dsor; +} + +static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host) +{ + u32 reg; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL); + reg |= SYSCTL_CEN; + sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, reg); +} + +static void sdhci_omap_stop_clock(struct sdhci_omap_host *omap_host) +{ + u32 reg; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_SYSCTL); + reg &= ~SYSCTL_CEN; + sdhci_omap_writel(omap_host, SDHCI_OMAP_SYSCTL, reg); +} + +static void sdhci_omap_set_clock(struct sdhci_host *host, unsigned int clock) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + unsigned long clkdiv; + + sdhci_omap_stop_clock(omap_host); + + if (!clock) + return; + + clkdiv = sdhci_omap_calc_divisor(pltfm_host, clock); + clkdiv = (clkdiv & SYSCTL_CLKD_MASK) << SYSCTL_CLKD_SHIFT; + sdhci_enable_clk(host, clkdiv); + + sdhci_omap_start_clock(omap_host); +} + +static void sdhci_omap_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + struct mmc_host *mmc = host->mmc; + + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); +} + +static int sdhci_omap_enable_dma(struct sdhci_host *host) +{ + u32 reg; + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + reg |= CON_DMA_MASTER; + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + + return 0; +} + +static unsigned int sdhci_omap_get_min_clock(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + + return clk_get_rate(pltfm_host->clk) / SYSCTL_CLKD_MAX; +} + +static void sdhci_omap_set_bus_width(struct sdhci_host *host, int width) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + u32 reg; + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + if (width == MMC_BUS_WIDTH_8) + reg |= CON_DW8; + else + reg &= ~CON_DW8; + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + + sdhci_set_bus_width(host, width); +} + +static void sdhci_omap_init_74_clocks(struct sdhci_host *host, u8 power_mode) +{ + u32 reg; + ktime_t timeout; + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host); + + if (omap_host->power_mode == power_mode) + return; + + if (power_mode != MMC_POWER_ON) + return; + + disable_irq(host->irq); + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + reg |= CON_INIT; + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + sdhci_omap_writel(omap_host, SDHCI_OMAP_CMD, 0x0); + + /* wait 1ms */ + timeout = ktime_add_ms(ktime_get(), SDHCI_OMAP_TIMEOUT); + while (!(sdhci_omap_readl(omap_host, SDHCI_OMAP_STAT) & INT_CC_EN)) { + if (WARN_ON(ktime_after(ktime_get(), timeout))) + return; + usleep_range(5, 10); + } + + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CON); + reg &= ~CON_INIT; + sdhci_omap_writel(omap_host, SDHCI_OMAP_CON, reg); + sdhci_omap_writel(omap_host, SDHCI_OMAP_STAT, INT_CC_EN); + + enable_irq(host->irq); + + omap_host->power_mode = power_mode; +} + +static struct sdhci_ops sdhci_omap_ops = { + .set_clock = sdhci_omap_set_clock, + .set_power = sdhci_omap_set_power, + .enable_dma = sdhci_omap_enable_dma, + .get_max_clock = sdhci_pltfm_clk_get_max_clock, + .get_min_clock = sdhci_omap_get_min_clock, + .set_bus_width = sdhci_omap_set_bus_width, + .platform_send_init_74_clocks = sdhci_omap_init_74_clocks, + .reset = sdhci_reset, + .set_uhs_signaling = sdhci_set_uhs_signaling, +}; + +static int sdhci_omap_set_capabilities(struct sdhci_omap_host *omap_host) +{ + u32 reg; + int ret = 0; + struct device *dev = omap_host->dev; + struct regulator *vqmmc; + + vqmmc = regulator_get(dev, "vqmmc"); + if (IS_ERR(vqmmc)) { + ret = PTR_ERR(vqmmc); + goto reg_put; + } + + /* voltage capabilities might be set by boot loader, clear it */ + reg = sdhci_omap_readl(omap_host, SDHCI_OMAP_CAPA); + reg &= ~(CAPA_VS18 | CAPA_VS30 | CAPA_VS33); + + if (regulator_is_supported_voltage(vqmmc, IOV_3V3, IOV_3V3)) + reg |= CAPA_VS33; + if (regulator_is_supported_voltage(vqmmc, IOV_1V8, IOV_1V8)) + reg |= CAPA_VS18; + + sdhci_omap_writel(omap_host, SDHCI_OMAP_CAPA, reg); + +reg_put: + regulator_put(vqmmc); + + return ret; +} + +static const struct sdhci_pltfm_data sdhci_omap_pdata = { + .quirks = SDHCI_QUIRK_BROKEN_CARD_DETECTION | + SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | + SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | + SDHCI_QUIRK_NO_HISPD_BIT | + SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC, + .quirks2 = SDHCI_QUIRK2_NO_1_8_V | + SDHCI_QUIRK2_ACMD23_BROKEN | + SDHCI_QUIRK2_RSP_136_HAS_CRC, + .ops = &sdhci_omap_ops, +}; + +static const struct sdhci_omap_data dra7_data = { + .offset = 0x200, +}; + +static const struct of_device_id omap_sdhci_match[] = { + { .compatible = "ti,dra7-sdhci", .data = &dra7_data }, + {}, +}; +MODULE_DEVICE_TABLE(of, omap_sdhci_match); + +static int sdhci_omap_probe(struct platform_device *pdev) +{ + int ret; + u32 offset; + struct device *dev = &pdev->dev; + struct sdhci_host *host; + struct sdhci_pltfm_host *pltfm_host; + struct sdhci_omap_host *omap_host; + struct mmc_host *mmc; + const struct of_device_id *match; + struct sdhci_omap_data *data; + + match = of_match_device(omap_sdhci_match, dev); + if (!match) + return -EINVAL; + + data = (struct sdhci_omap_data *)match->data; + if (!data) { + dev_err(dev, "no sdhci omap data\n"); + return -EINVAL; + } + offset = data->offset; + + host = sdhci_pltfm_init(pdev, &sdhci_omap_pdata, + sizeof(*omap_host)); + if (IS_ERR(host)) { + dev_err(dev, "Failed sdhci_pltfm_init\n"); + return PTR_ERR(host); + } + + pltfm_host = sdhci_priv(host); + omap_host = sdhci_pltfm_priv(pltfm_host); + omap_host->host = host; + omap_host->base = host->ioaddr; + omap_host->dev = dev; + host->ioaddr += offset; + + mmc = host->mmc; + ret = mmc_of_parse(mmc); + if (ret) + goto err_pltfm_free; + + pltfm_host->clk = devm_clk_get(dev, "fck"); + if (IS_ERR(pltfm_host->clk)) { + ret = PTR_ERR(pltfm_host->clk); + goto err_pltfm_free; + } + + ret = clk_set_rate(pltfm_host->clk, mmc->f_max); + if (ret) { + dev_err(dev, "failed to set clock to %d\n", mmc->f_max); + goto err_pltfm_free; + } + + omap_host->pbias = devm_regulator_get_optional(dev, "pbias"); + if (IS_ERR(omap_host->pbias)) { + ret = PTR_ERR(omap_host->pbias); + if (ret != -ENODEV) + goto err_pltfm_free; + dev_dbg(dev, "unable to get pbias regulator %d\n", ret); + } + omap_host->pbias_enabled = false; + + /* + * omap_device_pm_domain has callbacks to enable the main + * functional clock, interface clock and also configure the + * SYSCONFIG register of omap devices. The callback will be invoked + * as part of pm_runtime_get_sync. + */ + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret < 0) { + dev_err(dev, "pm_runtime_get_sync failed\n"); + pm_runtime_put_noidle(dev); + goto err_rpm_disable; + } + + ret = sdhci_omap_set_capabilities(omap_host); + if (ret) { + dev_err(dev, "failed to set system capabilities\n"); + goto err_put_sync; + } + + host->mmc_host_ops.get_ro = mmc_gpio_get_ro; + host->mmc_host_ops.start_signal_voltage_switch = + sdhci_omap_start_signal_voltage_switch; + host->mmc_host_ops.set_ios = sdhci_omap_set_ios; + + sdhci_read_caps(host); + host->caps |= SDHCI_CAN_DO_ADMA2; + + ret = sdhci_add_host(host); + if (ret) + goto err_put_sync; + + return 0; + +err_put_sync: + pm_runtime_put_sync(dev); + +err_rpm_disable: + pm_runtime_disable(dev); + +err_pltfm_free: + sdhci_pltfm_free(pdev); + return ret; +} + +static int sdhci_omap_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct sdhci_host *host = platform_get_drvdata(pdev); + + sdhci_remove_host(host, true); + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + sdhci_pltfm_free(pdev); + + return 0; +} + +static struct platform_driver sdhci_omap_driver = { + .probe = sdhci_omap_probe, + .remove = sdhci_omap_remove, + .driver = { + .name = "sdhci-omap", + .of_match_table = omap_sdhci_match, + }, +}; + +module_platform_driver(sdhci_omap_driver); + +MODULE_DESCRIPTION("SDHCI driver for OMAP SoCs"); +MODULE_AUTHOR("Texas Instruments Inc."); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:sdhci_omap"); diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 67d787fa3306..3e4f04fd5175 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -32,7 +32,6 @@ #include "sdhci.h" #include "sdhci-pci.h" -#include "sdhci-pci-o2micro.h" static int sdhci_pci_enable_dma(struct sdhci_host *host); static void sdhci_pci_hw_reset(struct sdhci_host *host); @@ -798,15 +797,6 @@ static const struct sdhci_pci_fixes sdhci_intel_mrfld_mmc = { .probe_slot = intel_mrfld_mmc_probe_slot, }; -/* O2Micro extra registers */ -#define O2_SD_LOCK_WP 0xD3 -#define O2_SD_MULTI_VCC3V 0xEE -#define O2_SD_CLKREQ 0xEC -#define O2_SD_CAPS 0xE0 -#define O2_SD_ADMA1 0xE2 -#define O2_SD_ADMA2 0xE7 -#define O2_SD_INF_MOD 0xF1 - static int jmicron_pmos(struct sdhci_pci_chip *chip, int on) { u8 scratch; @@ -1290,6 +1280,7 @@ static const struct pci_device_id pci_ids[] = { SDHCI_PCI_DEVICE(INTEL, SPT_SDIO, intel_byt_sdio), SDHCI_PCI_DEVICE(INTEL, SPT_SD, intel_byt_sd), SDHCI_PCI_DEVICE(INTEL, DNV_EMMC, intel_byt_emmc), + SDHCI_PCI_DEVICE(INTEL, CDF_EMMC, intel_glk_emmc), SDHCI_PCI_DEVICE(INTEL, BXT_EMMC, intel_byt_emmc), SDHCI_PCI_DEVICE(INTEL, BXT_SDIO, intel_byt_sdio), SDHCI_PCI_DEVICE(INTEL, BXT_SD, intel_byt_sd), diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c index 14273ca00641..555970a29c94 100644 --- a/drivers/mmc/host/sdhci-pci-o2micro.c +++ b/drivers/mmc/host/sdhci-pci-o2micro.c @@ -19,7 +19,40 @@ #include "sdhci.h" #include "sdhci-pci.h" -#include "sdhci-pci-o2micro.h" + +/* + * O2Micro device registers + */ + +#define O2_SD_MISC_REG5 0x64 +#define O2_SD_LD0_CTRL 0x68 +#define O2_SD_DEV_CTRL 0x88 +#define O2_SD_LOCK_WP 0xD3 +#define O2_SD_TEST_REG 0xD4 +#define O2_SD_FUNC_REG0 0xDC +#define O2_SD_MULTI_VCC3V 0xEE +#define O2_SD_CLKREQ 0xEC +#define O2_SD_CAPS 0xE0 +#define O2_SD_ADMA1 0xE2 +#define O2_SD_ADMA2 0xE7 +#define O2_SD_INF_MOD 0xF1 +#define O2_SD_MISC_CTRL4 0xFC +#define O2_SD_TUNING_CTRL 0x300 +#define O2_SD_PLL_SETTING 0x304 +#define O2_SD_CLK_SETTING 0x328 +#define O2_SD_CAP_REG2 0x330 +#define O2_SD_CAP_REG0 0x334 +#define O2_SD_UHS1_CAP_SETTING 0x33C +#define O2_SD_DELAY_CTRL 0x350 +#define O2_SD_UHS2_L1_CTRL 0x35C +#define O2_SD_FUNC_REG3 0x3E0 +#define O2_SD_FUNC_REG4 0x3E4 +#define O2_SD_LED_ENABLE BIT(6) +#define O2_SD_FREG0_LEDOFF BIT(13) +#define O2_SD_FREG4_ENABLE_CLK_SET BIT(22) + +#define O2_SD_VENDOR_SETTING 0x110 +#define O2_SD_VENDOR_SETTING2 0x1C8 static void o2_pci_set_baseclk(struct sdhci_pci_chip *chip, u32 value) { diff --git a/drivers/mmc/host/sdhci-pci-o2micro.h b/drivers/mmc/host/sdhci-pci-o2micro.h deleted file mode 100644 index 770f53857211..000000000000 --- a/drivers/mmc/host/sdhci-pci-o2micro.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (C) 2013 BayHub Technology Ltd. - * - * Authors: Peter Guo <peter.guo@bayhubtech.com> - * Adam Lee <adam.lee@canonical.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#ifndef __SDHCI_PCI_O2MICRO_H -#define __SDHCI_PCI_O2MICRO_H - -#include "sdhci-pci.h" - -/* - * O2Micro device IDs - */ - -#define PCI_DEVICE_ID_O2_SDS0 0x8420 -#define PCI_DEVICE_ID_O2_SDS1 0x8421 -#define PCI_DEVICE_ID_O2_FUJIN2 0x8520 -#define PCI_DEVICE_ID_O2_SEABIRD0 0x8620 -#define PCI_DEVICE_ID_O2_SEABIRD1 0x8621 - -/* - * O2Micro device registers - */ - -#define O2_SD_MISC_REG5 0x64 -#define O2_SD_LD0_CTRL 0x68 -#define O2_SD_DEV_CTRL 0x88 -#define O2_SD_LOCK_WP 0xD3 -#define O2_SD_TEST_REG 0xD4 -#define O2_SD_FUNC_REG0 0xDC -#define O2_SD_MULTI_VCC3V 0xEE -#define O2_SD_CLKREQ 0xEC -#define O2_SD_CAPS 0xE0 -#define O2_SD_ADMA1 0xE2 -#define O2_SD_ADMA2 0xE7 -#define O2_SD_INF_MOD 0xF1 -#define O2_SD_MISC_CTRL4 0xFC -#define O2_SD_TUNING_CTRL 0x300 -#define O2_SD_PLL_SETTING 0x304 -#define O2_SD_CLK_SETTING 0x328 -#define O2_SD_CAP_REG2 0x330 -#define O2_SD_CAP_REG0 0x334 -#define O2_SD_UHS1_CAP_SETTING 0x33C -#define O2_SD_DELAY_CTRL 0x350 -#define O2_SD_UHS2_L1_CTRL 0x35C -#define O2_SD_FUNC_REG3 0x3E0 -#define O2_SD_FUNC_REG4 0x3E4 -#define O2_SD_LED_ENABLE BIT(6) -#define O2_SD_FREG0_LEDOFF BIT(13) -#define O2_SD_FREG4_ENABLE_CLK_SET BIT(22) - -#define O2_SD_VENDOR_SETTING 0x110 -#define O2_SD_VENDOR_SETTING2 0x1C8 - -extern int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot); - -extern int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip); - -extern int sdhci_pci_o2_resume(struct sdhci_pci_chip *chip); - -#endif /* __SDHCI_PCI_O2MICRO_H */ diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index 75196a2b5289..0056f08a29cc 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SDHCI_PCI_H #define __SDHCI_PCI_H @@ -5,6 +6,12 @@ * PCI device IDs, sub IDs */ +#define PCI_DEVICE_ID_O2_SDS0 0x8420 +#define PCI_DEVICE_ID_O2_SDS1 0x8421 +#define PCI_DEVICE_ID_O2_FUJIN2 0x8520 +#define PCI_DEVICE_ID_O2_SEABIRD0 0x8620 +#define PCI_DEVICE_ID_O2_SEABIRD1 0x8621 + #define PCI_DEVICE_ID_INTEL_PCH_SDIO0 0x8809 #define PCI_DEVICE_ID_INTEL_PCH_SDIO1 0x880a #define PCI_DEVICE_ID_INTEL_BYT_EMMC 0x0f14 @@ -25,6 +32,7 @@ #define PCI_DEVICE_ID_INTEL_SPT_SDIO 0x9d2c #define PCI_DEVICE_ID_INTEL_SPT_SD 0x9d2d #define PCI_DEVICE_ID_INTEL_DNV_EMMC 0x19db +#define PCI_DEVICE_ID_INTEL_CDF_EMMC 0x18db #define PCI_DEVICE_ID_INTEL_BXT_SD 0x0aca #define PCI_DEVICE_ID_INTEL_BXT_EMMC 0x0acc #define PCI_DEVICE_ID_INTEL_BXT_SDIO 0x0ad0 @@ -163,4 +171,10 @@ static inline void *sdhci_pci_priv(struct sdhci_pci_slot *slot) int sdhci_pci_resume_host(struct sdhci_pci_chip *chip); #endif +int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot); +int sdhci_pci_o2_probe(struct sdhci_pci_chip *chip); +#ifdef CONFIG_PM_SLEEP +int sdhci_pci_o2_resume(struct sdhci_pci_chip *chip); +#endif + #endif /* __SDHCI_PCI_H */ diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index d328fcf284d1..cda83ccb2702 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -761,32 +761,24 @@ static const struct dev_pm_ops sdhci_s3c_pmops = { NULL) }; -#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) -static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = { - .no_divider = true, -}; -#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)&exynos4_sdhci_drv_data) -#else -#define EXYNOS4_SDHCI_DRV_DATA ((kernel_ulong_t)NULL) -#endif - static const struct platform_device_id sdhci_s3c_driver_ids[] = { { .name = "s3c-sdhci", .driver_data = (kernel_ulong_t)NULL, - }, { - .name = "exynos4-sdhci", - .driver_data = EXYNOS4_SDHCI_DRV_DATA, }, { } }; MODULE_DEVICE_TABLE(platform, sdhci_s3c_driver_ids); #ifdef CONFIG_OF +static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = { + .no_divider = true, +}; + static const struct of_device_id sdhci_s3c_dt_match[] = { { .compatible = "samsung,s3c6410-sdhci", }, { .compatible = "samsung,exynos4210-sdhci", - .data = (void *)EXYNOS4_SDHCI_DRV_DATA }, + .data = &exynos4_sdhci_drv_data }, {}, }; MODULE_DEVICE_TABLE(of, sdhci_s3c_dt_match); diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 0cd6fa80db66..b877c13184c2 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -422,7 +422,15 @@ static const struct sdhci_pltfm_data sdhci_tegra186_pdata = { SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | + /* SDHCI controllers on Tegra186 support 40-bit addressing. + * IOVA addresses are 48-bit wide on Tegra186. + * With 64-bit dma mask used for SDHCI, accesses can + * be broken. Disable 64-bit dma, which would fall back + * to 32-bit dma mask. Ideally 40-bit dma mask would work, + * But it is not supported as of now. + */ + SDHCI_QUIRK2_BROKEN_64_BIT_DMA, .ops = &tegra114_sdhci_ops, }; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 0d5fcca18c9e..2f14334e42df 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2407,12 +2407,12 @@ static void sdhci_tasklet_finish(unsigned long param) ; } -static void sdhci_timeout_timer(unsigned long data) +static void sdhci_timeout_timer(struct timer_list *t) { struct sdhci_host *host; unsigned long flags; - host = (struct sdhci_host*)data; + host = from_timer(host, t, timer); spin_lock_irqsave(&host->lock, flags); @@ -2429,12 +2429,12 @@ static void sdhci_timeout_timer(unsigned long data) spin_unlock_irqrestore(&host->lock, flags); } -static void sdhci_timeout_data_timer(unsigned long data) +static void sdhci_timeout_data_timer(struct timer_list *t) { struct sdhci_host *host; unsigned long flags; - host = (struct sdhci_host *)data; + host = from_timer(host, t, data_timer); spin_lock_irqsave(&host->lock, flags); @@ -3238,7 +3238,7 @@ int sdhci_setup_host(struct sdhci_host *host) * available. */ ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) return ret; DBG("Version: 0x%08x | Present: 0x%08x\n", @@ -3749,9 +3749,8 @@ int __sdhci_add_host(struct sdhci_host *host) tasklet_init(&host->finish_tasklet, sdhci_tasklet_finish, (unsigned long)host); - setup_timer(&host->timer, sdhci_timeout_timer, (unsigned long)host); - setup_timer(&host->data_timer, sdhci_timeout_data_timer, - (unsigned long)host); + timer_setup(&host->timer, sdhci_timeout_timer, 0); + timer_setup(&host->data_timer, sdhci_timeout_data_timer, 0); init_waitqueue_head(&host->buf_ready_int); diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c index 111b66f5439b..04ca0d33a521 100644 --- a/drivers/mmc/host/sdhci_f_sdh30.c +++ b/drivers/mmc/host/sdhci_f_sdh30.c @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/delay.h> #include <linux/module.h> +#include <linux/property.h> #include <linux/clk.h> #include "sdhci-pltfm.h" @@ -47,6 +48,7 @@ struct f_sdhost_priv { struct clk *clk; u32 vendor_hs200; struct device *dev; + bool enable_cmd_dat_delay; }; static void sdhci_f_sdh30_soft_voltage_switch(struct sdhci_host *host) @@ -84,10 +86,19 @@ static unsigned int sdhci_f_sdh30_get_min_clock(struct sdhci_host *host) static void sdhci_f_sdh30_reset(struct sdhci_host *host, u8 mask) { + struct f_sdhost_priv *priv = sdhci_priv(host); + u32 ctl; + if (sdhci_readw(host, SDHCI_CLOCK_CONTROL) == 0) sdhci_writew(host, 0xBC01, SDHCI_CLOCK_CONTROL); sdhci_reset(host, mask); + + if (priv->enable_cmd_dat_delay) { + ctl = sdhci_readl(host, F_SDH30_ESD_CONTROL); + ctl |= F_SDH30_CMD_DAT_DELAY; + sdhci_writel(host, ctl, F_SDH30_ESD_CONTROL); + } } static const struct sdhci_ops sdhci_f_sdh30_ops = { @@ -126,6 +137,9 @@ static int sdhci_f_sdh30_probe(struct platform_device *pdev) host->quirks2 = SDHCI_QUIRK2_SUPPORT_SINGLE | SDHCI_QUIRK2_TUNING_WORK_AROUND; + priv->enable_cmd_dat_delay = device_property_read_bool(dev, + "fujitsu,cmd-dat-delay-select"); + ret = mmc_of_parse(host->mmc); if (ret) goto err; diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index 53c970fe0873..cc98355dbdb9 100644 --- a/drivers/mmc/host/sunxi-mmc.c +++ b/drivers/mmc/host/sunxi-mmc.c @@ -1175,11 +1175,8 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host, return -EINVAL; ret = mmc_regulator_get_supply(host->mmc); - if (ret) { - if (ret != -EPROBE_DEFER) - dev_err(&pdev->dev, "Could not get vmmc supply\n"); + if (ret) return ret; - } host->reg_base = devm_ioremap_resource(&pdev->dev, platform_get_resource(pdev, IORESOURCE_MEM, 0)); diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c index 93c4b40df90a..a3d8380ab480 100644 --- a/drivers/mmc/host/tifm_sd.c +++ b/drivers/mmc/host/tifm_sd.c @@ -783,9 +783,9 @@ static void tifm_sd_end_cmd(unsigned long data) mmc_request_done(mmc, mrq); } -static void tifm_sd_abort(unsigned long data) +static void tifm_sd_abort(struct timer_list *t) { - struct tifm_sd *host = (struct tifm_sd*)data; + struct tifm_sd *host = from_timer(host, t, timer); pr_err("%s : card failed to respond for a long period of time " "(%x, %x)\n", @@ -968,7 +968,7 @@ static int tifm_sd_probe(struct tifm_dev *sock) tasklet_init(&host->finish_tasklet, tifm_sd_end_cmd, (unsigned long)host); - setup_timer(&host->timer, tifm_sd_abort, (unsigned long)host); + timer_setup(&host->timer, tifm_sd_abort, 0); mmc->ops = &tifm_sd_ops; mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c index a7293e186e03..583bf3262df5 100644 --- a/drivers/mmc/host/tmio_mmc_core.c +++ b/drivers/mmc/host/tmio_mmc_core.c @@ -47,6 +47,7 @@ #include <linux/mmc/sdio.h> #include <linux/scatterlist.h> #include <linux/spinlock.h> +#include <linux/swiotlb.h> #include <linux/workqueue.h> #include "tmio_mmc.h" @@ -166,11 +167,11 @@ static void tmio_mmc_clk_start(struct tmio_mmc_host *host) /* HW engineers overrode docs: no sleep needed on R-Car2+ */ if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2)) - msleep(10); + usleep_range(10000, 11000); if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) { sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0100); - msleep(10); + usleep_range(10000, 11000); } } @@ -178,7 +179,7 @@ static void tmio_mmc_clk_stop(struct tmio_mmc_host *host) { if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) { sd_ctrl_write16(host, CTL_CLK_AND_WAIT_CTL, 0x0000); - msleep(10); + usleep_range(10000, 11000); } sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, ~CLK_CTL_SCLKEN & @@ -186,7 +187,7 @@ static void tmio_mmc_clk_stop(struct tmio_mmc_host *host) /* HW engineers overrode docs: no sleep needed on R-Car2+ */ if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2)) - msleep(10); + usleep_range(10000, 11000); } static void tmio_mmc_set_clock(struct tmio_mmc_host *host, @@ -218,7 +219,7 @@ static void tmio_mmc_set_clock(struct tmio_mmc_host *host, sd_ctrl_read16(host, CTL_SD_CARD_CLK_CTL)); sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, clk & CLK_CTL_DIV_MASK); if (!(host->pdata->flags & TMIO_MMC_MIN_RCAR2)) - msleep(10); + usleep_range(10000, 11000); tmio_mmc_clk_start(host); } @@ -229,11 +230,11 @@ static void tmio_mmc_reset(struct tmio_mmc_host *host) sd_ctrl_write16(host, CTL_RESET_SD, 0x0000); if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0000); - msleep(10); + usleep_range(10000, 11000); sd_ctrl_write16(host, CTL_RESET_SD, 0x0001); if (host->pdata->flags & TMIO_MMC_HAVE_HIGH_REG) sd_ctrl_write16(host, CTL_RESET_SDIO, 0x0001); - msleep(10); + usleep_range(10000, 11000); if (host->pdata->flags & TMIO_MMC_SDIO_IRQ) { sd_ctrl_write16(host, CTL_SDIO_IRQ_MASK, host->sdio_irq_mask); @@ -1112,8 +1113,11 @@ static int tmio_mmc_init_ocr(struct tmio_mmc_host *host) { struct tmio_mmc_data *pdata = host->pdata; struct mmc_host *mmc = host->mmc; + int err; - mmc_regulator_get_supply(mmc); + err = mmc_regulator_get_supply(mmc); + if (err) + return err; /* use ocr_mask if no regulator */ if (!mmc->ocr_avail) @@ -1215,6 +1219,18 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host, mmc->max_blk_count = pdata->max_blk_count ? : (PAGE_SIZE / mmc->max_blk_size) * mmc->max_segs; mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; + /* + * Since swiotlb has memory size limitation, this will calculate + * the maximum size locally (because we don't have any APIs for it now) + * and check the current max_req_size. And then, this will update + * the max_req_size if needed as a workaround. + */ + if (swiotlb_max_segment()) { + unsigned int max_size = (1 << IO_TLB_SHIFT) * IO_TLB_SEGSIZE; + + if (mmc->max_req_size > max_size) + mmc->max_req_size = max_size; + } mmc->max_seg_size = mmc->max_req_size; _host->native_hotplug = !(pdata->flags & TMIO_MMC_USE_GPIO_CD || @@ -1286,23 +1302,24 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host, pm_runtime_enable(&pdev->dev); ret = mmc_add_host(mmc); - if (ret < 0) { - tmio_mmc_host_remove(_host); - return ret; - } + if (ret) + goto remove_host; dev_pm_qos_expose_latency_limit(&pdev->dev, 100); if (pdata->flags & TMIO_MMC_USE_GPIO_CD) { ret = mmc_gpio_request_cd(mmc, pdata->cd_gpio, 0); - if (ret < 0) { - tmio_mmc_host_remove(_host); - return ret; - } + if (ret) + goto remove_host; + mmc_gpiod_request_cd_irq(mmc); } return 0; + +remove_host: + tmio_mmc_host_remove(_host); + return ret; } EXPORT_SYMBOL_GPL(tmio_mmc_host_probe); diff --git a/drivers/mmc/host/usdhi6rol0.c b/drivers/mmc/host/usdhi6rol0.c index 64da6a88cfb9..cdfeb15b6f05 100644 --- a/drivers/mmc/host/usdhi6rol0.c +++ b/drivers/mmc/host/usdhi6rol0.c @@ -1757,7 +1757,7 @@ static int usdhi6_probe(struct platform_device *pdev) return -ENOMEM; ret = mmc_regulator_get_supply(mmc); - if (ret == -EPROBE_DEFER) + if (ret) goto e_free_mmc; ret = mmc_of_parse(mmc); diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c index a838bf5480d8..32c4211506fc 100644 --- a/drivers/mmc/host/via-sdmmc.c +++ b/drivers/mmc/host/via-sdmmc.c @@ -932,12 +932,12 @@ out: return result; } -static void via_sdc_timeout(unsigned long ulongdata) +static void via_sdc_timeout(struct timer_list *t) { struct via_crdr_mmc_host *sdhost; unsigned long flags; - sdhost = (struct via_crdr_mmc_host *)ulongdata; + sdhost = from_timer(sdhost, t, timer); spin_lock_irqsave(&sdhost->lock, flags); @@ -1036,9 +1036,7 @@ static void via_init_mmc_host(struct via_crdr_mmc_host *host) u32 lenreg; u32 status; - init_timer(&host->timer); - host->timer.data = (unsigned long)host; - host->timer.function = via_sdc_timeout; + timer_setup(&host->timer, via_sdc_timeout, 0); spin_lock_init(&host->lock); diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c index 8f569d257405..1fe68137a30f 100644 --- a/drivers/mmc/host/vub300.c +++ b/drivers/mmc/host/vub300.c @@ -741,9 +741,10 @@ static void vub300_deadwork_thread(struct work_struct *work) kref_put(&vub300->kref, vub300_delete); } -static void vub300_inactivity_timer_expired(unsigned long data) +static void vub300_inactivity_timer_expired(struct timer_list *t) { /* softirq */ - struct vub300_mmc_host *vub300 = (struct vub300_mmc_host *)data; + struct vub300_mmc_host *vub300 = from_timer(vub300, t, + inactivity_timer); if (!vub300->interface) { kref_put(&vub300->kref, vub300_delete); } else if (vub300->cmd) { @@ -1180,9 +1181,10 @@ static void send_command(struct vub300_mmc_host *vub300) * timer callback runs in atomic mode * so it cannot call usb_kill_urb() */ -static void vub300_sg_timed_out(unsigned long data) +static void vub300_sg_timed_out(struct timer_list *t) { - struct vub300_mmc_host *vub300 = (struct vub300_mmc_host *)data; + struct vub300_mmc_host *vub300 = from_timer(vub300, t, + sg_transfer_timer); vub300->usb_timed_out = 1; usb_sg_cancel(&vub300->sg_request); usb_unlink_urb(vub300->command_out_urb); @@ -1244,12 +1246,8 @@ static void __download_offload_pseudocode(struct vub300_mmc_host *vub300, USB_RECIP_DEVICE, 0x0000, 0x0000, xfer_buffer, xfer_length, HZ); kfree(xfer_buffer); - if (retval < 0) { - strncpy(vub300->vub_name, - "SDIO pseudocode download failed", - sizeof(vub300->vub_name)); - return; - } + if (retval < 0) + goto copy_error_message; } else { dev_err(&vub300->udev->dev, "not enough memory for xfer buffer to send" @@ -1291,12 +1289,8 @@ static void __download_offload_pseudocode(struct vub300_mmc_host *vub300, USB_RECIP_DEVICE, 0x0000, 0x0000, xfer_buffer, xfer_length, HZ); kfree(xfer_buffer); - if (retval < 0) { - strncpy(vub300->vub_name, - "SDIO pseudocode download failed", - sizeof(vub300->vub_name)); - return; - } + if (retval < 0) + goto copy_error_message; } else { dev_err(&vub300->udev->dev, "not enough memory for xfer buffer to send" @@ -1349,6 +1343,12 @@ static void __download_offload_pseudocode(struct vub300_mmc_host *vub300, sizeof(vub300->vub_name)); return; } + + return; + +copy_error_message: + strncpy(vub300->vub_name, "SDIO pseudocode download failed", + sizeof(vub300->vub_name)); } /* @@ -2323,13 +2323,10 @@ static int vub300_probe(struct usb_interface *interface, INIT_WORK(&vub300->cmndwork, vub300_cmndwork_thread); INIT_WORK(&vub300->deadwork, vub300_deadwork_thread); kref_init(&vub300->kref); - init_timer(&vub300->sg_transfer_timer); - vub300->sg_transfer_timer.data = (unsigned long)vub300; - vub300->sg_transfer_timer.function = vub300_sg_timed_out; + timer_setup(&vub300->sg_transfer_timer, vub300_sg_timed_out, 0); kref_get(&vub300->kref); - init_timer(&vub300->inactivity_timer); - vub300->inactivity_timer.data = (unsigned long)vub300; - vub300->inactivity_timer.function = vub300_inactivity_timer_expired; + timer_setup(&vub300->inactivity_timer, + vub300_inactivity_timer_expired, 0); vub300->inactivity_timer.expires = jiffies + HZ; add_timer(&vub300->inactivity_timer); if (vub300->card_present) diff --git a/drivers/mmc/host/wbsd.c b/drivers/mmc/host/wbsd.c index 546aaf8d1507..f4233576153b 100644 --- a/drivers/mmc/host/wbsd.c +++ b/drivers/mmc/host/wbsd.c @@ -956,9 +956,9 @@ static const struct mmc_host_ops wbsd_ops = { * Helper function to reset detection ignore */ -static void wbsd_reset_ignore(unsigned long data) +static void wbsd_reset_ignore(struct timer_list *t) { - struct wbsd_host *host = (struct wbsd_host *)data; + struct wbsd_host *host = from_timer(host, t, ignore_timer); BUG_ON(host == NULL); @@ -1224,9 +1224,7 @@ static int wbsd_alloc_mmc(struct device *dev) /* * Set up timers */ - init_timer(&host->ignore_timer); - host->ignore_timer.data = (unsigned long)host; - host->ignore_timer.function = wbsd_reset_ignore; + timer_setup(&host->ignore_timer, wbsd_reset_ignore, 0); /* * Maximum number of segments. Worst case is one sector per segment diff --git a/drivers/mtd/Makefile b/drivers/mtd/Makefile index 151d60df303a..d6f8f625e1ff 100644 --- a/drivers/mtd/Makefile +++ b/drivers/mtd/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the memory technology device drivers. # diff --git a/drivers/mtd/chips/Makefile b/drivers/mtd/chips/Makefile index 36582412ccda..1f4e84f1cd88 100644 --- a/drivers/mtd/chips/Makefile +++ b/drivers/mtd/chips/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # linux/drivers/chips/Makefile # diff --git a/drivers/mtd/chips/fwh_lock.h b/drivers/mtd/chips/fwh_lock.h index 800b0e853e86..53e6b2d5932b 100644 --- a/drivers/mtd/chips/fwh_lock.h +++ b/drivers/mtd/chips/fwh_lock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef FWH_LOCK_H #define FWH_LOCK_H diff --git a/drivers/mtd/devices/Makefile b/drivers/mtd/devices/Makefile index f0f767624cc6..94895eab3066 100644 --- a/drivers/mtd/devices/Makefile +++ b/drivers/mtd/devices/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # linux/drivers/mtd/devices/Makefile # diff --git a/drivers/mtd/devices/bcm47xxsflash.h b/drivers/mtd/devices/bcm47xxsflash.h index b2d7b38f75fd..fef0d5e42e2a 100644 --- a/drivers/mtd/devices/bcm47xxsflash.h +++ b/drivers/mtd/devices/bcm47xxsflash.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BCM47XXSFLASH_H #define __BCM47XXSFLASH_H diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 5a09a72ab112..b849aaf85c34 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # linux/drivers/maps/Makefile # diff --git a/drivers/mtd/maps/physmap_of_gemini.c b/drivers/mtd/maps/physmap_of_gemini.c index 4ed1a6bb4d3c..830b1b7e702b 100644 --- a/drivers/mtd/maps/physmap_of_gemini.c +++ b/drivers/mtd/maps/physmap_of_gemini.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Cortina Systems Gemini OF physmap add-on * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> diff --git a/drivers/mtd/maps/physmap_of_gemini.h b/drivers/mtd/maps/physmap_of_gemini.h index c675025288dd..60e13a689d6a 100644 --- a/drivers/mtd/maps/physmap_of_gemini.h +++ b/drivers/mtd/maps/physmap_of_gemini.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/of.h> #include <linux/mtd/map.h> diff --git a/drivers/mtd/maps/physmap_of_versatile.h b/drivers/mtd/maps/physmap_of_versatile.h index 5b86f6dc6b3d..0302502c9462 100644 --- a/drivers/mtd/maps/physmap_of_versatile.h +++ b/drivers/mtd/maps/physmap_of_versatile.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/of.h> #include <linux/mtd/map.h> diff --git a/drivers/mtd/maps/tsunami_flash.c b/drivers/mtd/maps/tsunami_flash.c index da2cdb5fd6db..9fc1f727aa76 100644 --- a/drivers/mtd/maps/tsunami_flash.c +++ b/drivers/mtd/maps/tsunami_flash.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * tsunami_flash.c * diff --git a/drivers/mtd/mtdcore.h b/drivers/mtd/mtdcore.h index 55fdb8e1fd2a..37accfd0400e 100644 --- a/drivers/mtd/mtdcore.h +++ b/drivers/mtd/mtdcore.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * These are exported solely for the purpose of mtd_blkdevs.c and mtdchar.c. * You should not use them for _anything_ else. diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile index ade5fc4c3819..6e2db700d923 100644 --- a/drivers/mtd/nand/Makefile +++ b/drivers/mtd/nand/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # linux/drivers/nand/Makefile # diff --git a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h index c8834767ab6d..201b9baa52a0 100644 --- a/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h +++ b/drivers/mtd/nand/bcm47xxnflash/bcm47xxnflash.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BCM47XXNFLASH_H #define __BCM47XXNFLASH_H diff --git a/drivers/mtd/nand/brcmnand/Makefile b/drivers/mtd/nand/brcmnand/Makefile index b28ffb59eb43..195b845e48b8 100644 --- a/drivers/mtd/nand/brcmnand/Makefile +++ b/drivers/mtd/nand/brcmnand/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # link order matters; don't link the more generic brcmstb_nand.o before the # more specific iproc_nand.o, for instance obj-$(CONFIG_MTD_NAND_BRCMNAND) += iproc_nand.o diff --git a/drivers/mtd/onenand/Makefile b/drivers/mtd/onenand/Makefile index 9d6540e8b3d2..f8b624aca9cc 100644 --- a/drivers/mtd/onenand/Makefile +++ b/drivers/mtd/onenand/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the OneNAND MTD # diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c index 680188a88130..420260c25ca0 100644 --- a/drivers/mtd/onenand/onenand_bbt.c +++ b/drivers/mtd/onenand/onenand_bbt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/mtd/onenand/onenand_bbt.c * diff --git a/drivers/mtd/spi-nor/Makefile b/drivers/mtd/spi-nor/Makefile index 7d84c5108e17..f4c61d282abd 100644 --- a/drivers/mtd/spi-nor/Makefile +++ b/drivers/mtd/spi-nor/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o obj-$(CONFIG_SPI_ASPEED_SMC) += aspeed-smc.o obj-$(CONFIG_SPI_ATMEL_QUADSPI) += atmel-quadspi.o diff --git a/drivers/mtd/tests/Makefile b/drivers/mtd/tests/Makefile index 937a829bb701..5de0378f90db 100644 --- a/drivers/mtd/tests/Makefile +++ b/drivers/mtd/tests/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MTD_TESTS) += mtd_oobtest.o obj-$(CONFIG_MTD_TESTS) += mtd_pagetest.o obj-$(CONFIG_MTD_TESTS) += mtd_readtest.o diff --git a/drivers/mtd/tests/mtd_test.c b/drivers/mtd/tests/mtd_test.c index 34736bbcc07b..3d0b8b5c1a53 100644 --- a/drivers/mtd/tests/mtd_test.c +++ b/drivers/mtd/tests/mtd_test.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) "mtd_test: " fmt #include <linux/module.h> diff --git a/drivers/mtd/tests/mtd_test.h b/drivers/mtd/tests/mtd_test.h index 04afd0e7074f..5a6e3bbe0474 100644 --- a/drivers/mtd/tests/mtd_test.h +++ b/drivers/mtd/tests/mtd_test.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/mtd/mtd.h> #include <linux/sched/signal.h> diff --git a/drivers/mtd/ubi/Makefile b/drivers/mtd/ubi/Makefile index 4e3c3d70d8c3..543673605ca7 100644 --- a/drivers/mtd/ubi/Makefile +++ b/drivers/mtd/ubi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MTD_UBI) += ubi.o ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o attach.o diff --git a/drivers/mtd/ubi/wl.h b/drivers/mtd/ubi/wl.h index bd1f07e5ce9a..2aaa3f7f2ba9 100644 --- a/drivers/mtd/ubi/wl.h +++ b/drivers/mtd/ubi/wl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef UBI_WL_H #define UBI_WL_H #ifdef CONFIG_MTD_UBI_FASTMAP diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 8dff900085d6..676a75f4182a 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux network device drivers. # diff --git a/drivers/net/appletalk/cops.h b/drivers/net/appletalk/cops.h index fd2750b269c8..7a0bfb351929 100644 --- a/drivers/net/appletalk/cops.h +++ b/drivers/net/appletalk/cops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* cops.h: LocalTalk driver for Linux. * * Authors: diff --git a/drivers/net/appletalk/ipddp.h b/drivers/net/appletalk/ipddp.h index 531519da99a3..9a8e45a46925 100644 --- a/drivers/net/appletalk/ipddp.h +++ b/drivers/net/appletalk/ipddp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ipddp.h: Header for IP-over-DDP driver for Linux. */ diff --git a/drivers/net/appletalk/ltpc.h b/drivers/net/appletalk/ltpc.h index cd30544a3729..58cf945732a4 100644 --- a/drivers/net/appletalk/ltpc.h +++ b/drivers/net/appletalk/ltpc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*** ltpc.h * * diff --git a/drivers/net/arcnet/Makefile b/drivers/net/arcnet/Makefile index 5ce8ee63e435..53525e8ea130 100644 --- a/drivers/net/arcnet/Makefile +++ b/drivers/net/arcnet/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for linux/drivers/net/arcnet # diff --git a/drivers/net/arcnet/com9026.h b/drivers/net/arcnet/com9026.h index efcaf6707214..6adbc18711e0 100644 --- a/drivers/net/arcnet/com9026.h +++ b/drivers/net/arcnet/com9026.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __COM9026_H #define __COM9026_H diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index c02cc817a490..1ed9529e7bd1 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -1378,7 +1378,7 @@ int bond_tlb_xmit(struct sk_buff *skb, struct net_device *bond_dev) unsigned int count; slaves = rcu_dereference(bond->slave_arr); - count = slaves ? ACCESS_ONCE(slaves->count) : 0; + count = slaves ? READ_ONCE(slaves->count) : 0; if (likely(count)) tx_slave = slaves->arr[hash_index % count]; diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c index e52e25a977fa..3868e1a5126d 100644 --- a/drivers/net/bonding/bond_debugfs.c +++ b/drivers/net/bonding/bond_debugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/module.h> #include <linux/device.h> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index c99dc59d729b..08a4f57cf409 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1167,7 +1167,7 @@ static rx_handler_result_t bond_handle_frame(struct sk_buff **pskb) slave = bond_slave_get_rcu(skb->dev); bond = slave->bond; - recv_probe = ACCESS_ONCE(bond->recv_probe); + recv_probe = READ_ONCE(bond->recv_probe); if (recv_probe) { ret = recv_probe(skb, bond, slave); if (ret == RX_HANDLER_CONSUMED) { @@ -2042,6 +2042,7 @@ static int bond_miimon_inspect(struct bonding *bond) bond_for_each_slave_rcu(bond, slave, iter) { slave->new_link = BOND_LINK_NOCHANGE; + slave->link_new_state = slave->link; link_state = bond_check_dev_link(bond, slave->dev, 0); @@ -3253,7 +3254,7 @@ u32 bond_xmit_hash(struct bonding *bond, struct sk_buff *skb) hash ^= (hash >> 16); hash ^= (hash >> 8); - return hash; + return hash >> 1; } /*-------------------------- Device entry points ----------------------------*/ @@ -3810,7 +3811,7 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev else bond_xmit_slave_id(bond, skb, 0); } else { - int slave_cnt = ACCESS_ONCE(bond->slave_cnt); + int slave_cnt = READ_ONCE(bond->slave_cnt); if (likely(slave_cnt)) { slave_id = bond_rr_gen_slave_id(bond); @@ -3972,7 +3973,7 @@ static int bond_3ad_xor_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int count; slaves = rcu_dereference(bond->slave_arr); - count = slaves ? ACCESS_ONCE(slaves->count) : 0; + count = slaves ? READ_ONCE(slaves->count) : 0; if (likely(count)) { slave = slaves->arr[bond_xmit_hash(bond, skb) % count]; bond_dev_queue_xmit(bond, skb, slave->dev); diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c index d8d4ada034b7..f7799321dffb 100644 --- a/drivers/net/bonding/bond_procfs.c +++ b/drivers/net/bonding/bond_procfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/proc_fs.h> #include <linux/export.h> #include <net/net_namespace.h> diff --git a/drivers/net/caif/Makefile b/drivers/net/caif/Makefile index 9bbd45391f6c..54ae1165d60a 100644 --- a/drivers/net/caif/Makefile +++ b/drivers/net/caif/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_CAIF_DEBUG) := -DDEBUG # Serial interface diff --git a/drivers/net/can/Makefile b/drivers/net/can/Makefile index 4aabbee133b8..02b8ed794564 100644 --- a/drivers/net/can/Makefile +++ b/drivers/net/can/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux Controller Area Network drivers. # diff --git a/drivers/net/can/c_can/c_can_pci.c b/drivers/net/can/c_can/c_can_pci.c index cf7c18947189..d065c0e2d18e 100644 --- a/drivers/net/can/c_can/c_can_pci.c +++ b/drivers/net/can/c_can/c_can_pci.c @@ -178,7 +178,6 @@ static int c_can_pci_probe(struct pci_dev *pdev, break; case BOSCH_D_CAN: priv->regs = reg_map_d_can; - priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES; break; default: ret = -EINVAL; diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index 46a746ee80bb..b5145a7f874c 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -320,7 +320,6 @@ static int c_can_plat_probe(struct platform_device *pdev) break; case BOSCH_D_CAN: priv->regs = reg_map_d_can; - priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES; priv->read_reg = c_can_plat_read_reg_aligned_to_16bit; priv->write_reg = c_can_plat_write_reg_aligned_to_16bit; priv->read_reg32 = d_can_plat_read_reg32; diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 4d1fe8d95042..2772d05ff11c 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -670,9 +670,9 @@ static void ifi_canfd_set_bittiming(struct net_device *ndev) priv->base + IFI_CANFD_FTIME); /* Configure transmitter delay */ - tdc = (dbt->brp * (dbt->phase_seg1 + 1)) & IFI_CANFD_TDELAY_MASK; - writel(IFI_CANFD_TDELAY_EN | IFI_CANFD_TDELAY_ABS | tdc, - priv->base + IFI_CANFD_TDELAY); + tdc = dbt->brp * (dbt->prop_seg + dbt->phase_seg1); + tdc &= IFI_CANFD_TDELAY_MASK; + writel(IFI_CANFD_TDELAY_EN | tdc, priv->base + IFI_CANFD_TDELAY); } static void ifi_canfd_set_filter(struct net_device *ndev, const u32 id, diff --git a/drivers/net/can/peak_canfd/peak_pciefd_main.c b/drivers/net/can/peak_canfd/peak_pciefd_main.c index 51c2d182a33a..b4efd711f824 100644 --- a/drivers/net/can/peak_canfd/peak_pciefd_main.c +++ b/drivers/net/can/peak_canfd/peak_pciefd_main.c @@ -29,14 +29,19 @@ #include "peak_canfd_user.h" MODULE_AUTHOR("Stephane Grosjean <s.grosjean@peak-system.com>"); -MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCIe FD family cards"); -MODULE_SUPPORTED_DEVICE("PEAK PCAN PCIe FD CAN cards"); +MODULE_DESCRIPTION("Socket-CAN driver for PEAK PCAN PCIe/M.2 FD family cards"); +MODULE_SUPPORTED_DEVICE("PEAK PCAN PCIe/M.2 FD CAN cards"); MODULE_LICENSE("GPL v2"); #define PCIEFD_DRV_NAME "peak_pciefd" #define PEAK_PCI_VENDOR_ID 0x001c /* The PCI device and vendor IDs */ #define PEAK_PCIEFD_ID 0x0013 /* for PCIe slot cards */ +#define PCAN_CPCIEFD_ID 0x0014 /* for Compact-PCI Serial slot cards */ +#define PCAN_PCIE104FD_ID 0x0017 /* for PCIe-104 Express slot cards */ +#define PCAN_MINIPCIEFD_ID 0x0018 /* for mini-PCIe slot cards */ +#define PCAN_PCIEFD_OEM_ID 0x0019 /* for PCIe slot OEM cards */ +#define PCAN_M2_ID 0x001a /* for M2 slot cards */ /* PEAK PCIe board access description */ #define PCIEFD_BAR0_SIZE (64 * 1024) @@ -203,6 +208,11 @@ struct pciefd_board { /* supported device ids. */ static const struct pci_device_id peak_pciefd_tbl[] = { {PEAK_PCI_VENDOR_ID, PEAK_PCIEFD_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PEAK_PCI_VENDOR_ID, PCAN_CPCIEFD_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PEAK_PCI_VENDOR_ID, PCAN_PCIE104FD_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PEAK_PCI_VENDOR_ID, PCAN_MINIPCIEFD_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PEAK_PCI_VENDOR_ID, PCAN_PCIEFD_OEM_ID, PCI_ANY_ID, PCI_ANY_ID,}, + {PEAK_PCI_VENDOR_ID, PCAN_M2_ID, PCI_ANY_ID, PCI_ANY_ID,}, {0,} }; diff --git a/drivers/net/can/sja1000/Makefile b/drivers/net/can/sja1000/Makefile index be11ddd11b87..9253aaf9e739 100644 --- a/drivers/net/can/sja1000/Makefile +++ b/drivers/net/can/sja1000/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the SJA1000 CAN controller drivers. # diff --git a/drivers/net/can/softing/softing.h b/drivers/net/can/softing/softing.h index 35f062282dbd..2893007ea05e 100644 --- a/drivers/net/can/softing/softing.h +++ b/drivers/net/can/softing/softing.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * softing common interfaces * diff --git a/drivers/net/can/softing/softing_platform.h b/drivers/net/can/softing/softing_platform.h index ebbf69815623..68a161547644 100644 --- a/drivers/net/can/softing/softing_platform.h +++ b/drivers/net/can/softing/softing_platform.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/platform_device.h> diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c index 68ef0a4cd821..1ac2090a1721 100644 --- a/drivers/net/can/sun4i_can.c +++ b/drivers/net/can/sun4i_can.c @@ -342,7 +342,7 @@ static int sun4i_can_start(struct net_device *dev) /* enter the selected mode */ mod_reg_val = readl(priv->base + SUN4I_REG_MSEL_ADDR); - if (priv->can.ctrlmode & CAN_CTRLMODE_PRESUME_ACK) + if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK) mod_reg_val |= SUN4I_MSEL_LOOPBACK_MODE; else if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) mod_reg_val |= SUN4I_MSEL_LISTEN_ONLY_MODE; @@ -539,6 +539,13 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status) } stats->rx_over_errors++; stats->rx_errors++; + + /* reset the CAN IP by entering reset mode + * ignoring timeout error + */ + set_reset_mode(dev); + set_normal_mode(dev); + /* clear bit */ sun4i_can_write_cmdreg(priv, SUN4I_CMD_CLEAR_OR_FLAG); } @@ -653,8 +660,9 @@ static irqreturn_t sun4i_can_interrupt(int irq, void *dev_id) netif_wake_queue(dev); can_led_event(dev, CAN_LED_EVENT_TX); } - if (isrc & SUN4I_INT_RBUF_VLD) { - /* receive interrupt */ + if ((isrc & SUN4I_INT_RBUF_VLD) && + !(isrc & SUN4I_INT_DATA_OR)) { + /* receive interrupt - don't read if overrun occurred */ while (status & SUN4I_STA_RBUF_RDY) { /* RX buffer is not empty */ sun4i_can_rx(dev); @@ -811,7 +819,6 @@ static int sun4ican_probe(struct platform_device *pdev) priv->can.ctrlmode_supported = CAN_CTRLMODE_BERR_REPORTING | CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_LOOPBACK | - CAN_CTRLMODE_PRESUME_ACK | CAN_CTRLMODE_3_SAMPLES; priv->base = addr; priv->clk = clk; diff --git a/drivers/net/can/usb/Makefile b/drivers/net/can/usb/Makefile index 164453fd55d0..49ac7b99ba32 100644 --- a/drivers/net/can/usb/Makefile +++ b/drivers/net/can/usb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux Controller Area Network USB drivers. # diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 18cc529fb807..9b18d96ef526 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -137,6 +137,7 @@ static inline bool kvaser_is_usbcan(const struct usb_device_id *id) #define CMD_RESET_ERROR_COUNTER 49 #define CMD_TX_ACKNOWLEDGE 50 #define CMD_CAN_ERROR_EVENT 51 +#define CMD_FLUSH_QUEUE_REPLY 68 #define CMD_LEAF_USB_THROTTLE 77 #define CMD_LEAF_LOG_MESSAGE 106 @@ -1301,6 +1302,11 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, goto warn; break; + case CMD_FLUSH_QUEUE_REPLY: + if (dev->family != KVASER_LEAF) + goto warn; + break; + default: warn: dev_warn(dev->udev->dev.parent, "Unhandled message (%d)\n", msg->id); @@ -1609,7 +1615,8 @@ static int kvaser_usb_close(struct net_device *netdev) if (err) netdev_warn(netdev, "Cannot flush queue, error %d\n", err); - if (kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, priv->channel)) + err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, priv->channel); + if (err) netdev_warn(netdev, "Cannot reset card, error %d\n", err); err = kvaser_usb_stop_chip(priv); diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c index 017f48cdcab9..b6e2bfd7d2d6 100644 --- a/drivers/net/cris/eth_v10.c +++ b/drivers/net/cris/eth_v10.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * e100net.c: A network driver for the ETRAX 100LX network controller. * @@ -165,8 +166,8 @@ static unsigned int network_rec_config_shadow = 0; static unsigned int network_tr_ctrl_shadow = 0; /* Network speed indication. */ -static DEFINE_TIMER(speed_timer, NULL, 0, 0); -static DEFINE_TIMER(clear_led_timer, NULL, 0, 0); +static DEFINE_TIMER(speed_timer, NULL); +static DEFINE_TIMER(clear_led_timer, NULL); static int current_speed; /* Speed read from transceiver */ static int current_speed_selection; /* Speed selected by user */ static unsigned long led_next_time; @@ -174,7 +175,7 @@ static int led_active; static int rx_queue_len; /* Duplex */ -static DEFINE_TIMER(duplex_timer, NULL, 0, 0); +static DEFINE_TIMER(duplex_timer, NULL); static int full_duplex; static enum duplex current_duplex; diff --git a/drivers/net/dsa/Makefile b/drivers/net/dsa/Makefile index 4a5b5bd297ee..d040aeb45172 100644 --- a/drivers/net/dsa/Makefile +++ b/drivers/net/dsa/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NET_DSA_BCM_SF2) += bcm-sf2.o bcm-sf2-objs := bcm_sf2.o bcm_sf2_cfp.o obj-$(CONFIG_NET_DSA_LOOP) += dsa_loop.o dsa_loop_bdinfo.o diff --git a/drivers/net/dsa/b53/Makefile b/drivers/net/dsa/b53/Makefile index 7e6f9a8bfd75..4256fb42a4dd 100644 --- a/drivers/net/dsa/b53/Makefile +++ b/drivers/net/dsa/b53/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_B53) += b53_common.o obj-$(CONFIG_B53_SPI_DRIVER) += b53_spi.o diff --git a/drivers/net/dsa/dsa_loop.h b/drivers/net/dsa/dsa_loop.h index dc396877fc95..93e5c15d0efd 100644 --- a/drivers/net/dsa/dsa_loop.h +++ b/drivers/net/dsa/dsa_loop.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DSA_LOOP_H #define __DSA_LOOP_H diff --git a/drivers/net/dsa/lan9303.h b/drivers/net/dsa/lan9303.h index 4d8be555ff4d..7df2ac77fc8f 100644 --- a/drivers/net/dsa/lan9303.h +++ b/drivers/net/dsa/lan9303.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/regmap.h> #include <linux/device.h> #include <net/dsa.h> diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile index 5cd5551461e3..58a4a0014e59 100644 --- a/drivers/net/dsa/mv88e6xxx/Makefile +++ b/drivers/net/dsa/mv88e6xxx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NET_DSA_MV88E6XXX) += mv88e6xxx.o mv88e6xxx-objs := chip.o mv88e6xxx-objs += global1.o diff --git a/drivers/net/ethernet/3com/Makefile b/drivers/net/ethernet/3com/Makefile index 74046afab993..f8b73babc510 100644 --- a/drivers/net/ethernet/3com/Makefile +++ b/drivers/net/ethernet/3com/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the 3Com Ethernet device drivers # diff --git a/drivers/net/ethernet/8390/Makefile b/drivers/net/ethernet/8390/Makefile index ff3b31894188..f975c2fc88a3 100644 --- a/drivers/net/ethernet/8390/Makefile +++ b/drivers/net/ethernet/8390/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the 8390 network device drivers. # diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index a0a03d4d939a..39f6273358ed 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux network Ethernet device drivers. # diff --git a/drivers/net/ethernet/aeroflex/greth.h b/drivers/net/ethernet/aeroflex/greth.h index 9c07140a5d8d..a1e04c9e932e 100644 --- a/drivers/net/ethernet/aeroflex/greth.h +++ b/drivers/net/ethernet/aeroflex/greth.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef GRETH_H #define GRETH_H diff --git a/drivers/net/ethernet/alacritech/slic.h b/drivers/net/ethernet/alacritech/slic.h index 08931b4afc96..d0c388cfd52f 100644 --- a/drivers/net/ethernet/alacritech/slic.h +++ b/drivers/net/ethernet/alacritech/slic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SLIC_H #define _SLIC_H diff --git a/drivers/net/ethernet/alteon/acenic.h b/drivers/net/ethernet/alteon/acenic.h index 51c486cfbb8c..c670067b1541 100644 --- a/drivers/net/ethernet/alteon/acenic.h +++ b/drivers/net/ethernet/alteon/acenic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ACENIC_H_ #define _ACENIC_H_ #include <linux/interrupt.h> diff --git a/drivers/net/ethernet/amd/7990.h b/drivers/net/ethernet/amd/7990.h index e9e0be313804..741cdc392c6b 100644 --- a/drivers/net/ethernet/amd/7990.h +++ b/drivers/net/ethernet/amd/7990.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * 7990.h -- LANCE ethernet IC generic routines. * This is an attempt to separate out the bits of various ethernet diff --git a/drivers/net/ethernet/amd/Makefile b/drivers/net/ethernet/amd/Makefile index a38a2dce3eb3..45f86822a5f7 100644 --- a/drivers/net/ethernet/amd/Makefile +++ b/drivers/net/ethernet/amd/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the AMD network device drivers. # diff --git a/drivers/net/ethernet/amd/hplance.h b/drivers/net/ethernet/amd/hplance.h index 04aee9e0376a..bc845a2c60c1 100644 --- a/drivers/net/ethernet/amd/hplance.h +++ b/drivers/net/ethernet/amd/hplance.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Random defines and structures for the HP Lance driver. * Copyright (C) 05/1998 Peter Maydell <pmaydell@chiark.greenend.org.uk> * Based on the Sun Lance driver and the NetBSD HP Lance driver diff --git a/drivers/net/ethernet/amd/xgbe/Makefile b/drivers/net/ethernet/amd/xgbe/Makefile index 0dea8f5da899..620785ffbd51 100644 --- a/drivers/net/ethernet/amd/xgbe/Makefile +++ b/drivers/net/ethernet/amd/xgbe/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_AMD_XGBE) += amd-xgbe.o amd-xgbe-objs := xgbe-main.o xgbe-drv.o xgbe-dev.o \ diff --git a/drivers/net/ethernet/arc/emac.h b/drivers/net/ethernet/arc/emac.h index e4feb712d4f2..3c63b16d485f 100644 --- a/drivers/net/ethernet/arc/emac.h +++ b/drivers/net/ethernet/arc/emac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com) * diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c index a22403c688c9..0187dbf3b87d 100644 --- a/drivers/net/ethernet/arc/emac_mdio.c +++ b/drivers/net/ethernet/arc/emac_mdio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2004-2013 Synopsys, Inc. (www.synopsys.com) * diff --git a/drivers/net/ethernet/atheros/Makefile b/drivers/net/ethernet/atheros/Makefile index 5cf1c65bbce9..aa3d394b87e6 100644 --- a/drivers/net/ethernet/atheros/Makefile +++ b/drivers/net/ethernet/atheros/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Atheros network device drivers. # diff --git a/drivers/net/ethernet/aurora/nb8800.h b/drivers/net/ethernet/aurora/nb8800.h index 6ec4a956e1e5..aacc3cce2cc0 100644 --- a/drivers/net/ethernet/aurora/nb8800.h +++ b/drivers/net/ethernet/aurora/nb8800.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _NB8800_H_ #define _NB8800_H_ diff --git a/drivers/net/ethernet/broadcom/Makefile b/drivers/net/ethernet/broadcom/Makefile index 79f2372c66ec..7046ad6d3d0e 100644 --- a/drivers/net/ethernet/broadcom/Makefile +++ b/drivers/net/ethernet/broadcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Broadcom network device drivers. # diff --git a/drivers/net/ethernet/broadcom/b44.h b/drivers/net/ethernet/broadcom/b44.h index 89d2cf341163..b3e36ca0fd19 100644 --- a/drivers/net/ethernet/broadcom/b44.h +++ b/drivers/net/ethernet/broadcom/b44.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _B44_H #define _B44_H diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.h b/drivers/net/ethernet/broadcom/bcm63xx_enet.h index 0a1b7b2e55bd..c6f6f14e87ca 100644 --- a/drivers/net/ethernet/broadcom/bcm63xx_enet.h +++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BCM63XX_ENET_H_ #define BCM63XX_ENET_H_ diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 83eec9a8c275..eb441e5e2cd8 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1809,15 +1809,17 @@ static inline void bcm_sysport_mask_all_intrs(struct bcm_sysport_priv *priv) static inline void gib_set_pad_extension(struct bcm_sysport_priv *priv) { - u32 __maybe_unused reg; + u32 reg; - /* Include Broadcom tag in pad extension */ + reg = gib_readl(priv, GIB_CONTROL); + /* Include Broadcom tag in pad extension and fix up IPG_LENGTH */ if (netdev_uses_dsa(priv->netdev)) { - reg = gib_readl(priv, GIB_CONTROL); reg &= ~(GIB_PAD_EXTENSION_MASK << GIB_PAD_EXTENSION_SHIFT); reg |= ENET_BRCM_TAG_LEN << GIB_PAD_EXTENSION_SHIFT; - gib_writel(priv, reg, GIB_CONTROL); } + reg &= ~(GIB_IPG_LEN_MASK << GIB_IPG_LEN_SHIFT); + reg |= 12 << GIB_IPG_LEN_SHIFT; + gib_writel(priv, reg, GIB_CONTROL); } static int bcm_sysport_open(struct net_device *dev) diff --git a/drivers/net/ethernet/broadcom/bgmac.h b/drivers/net/ethernet/broadcom/bgmac.h index 443d57b10264..4040d846da8e 100644 --- a/drivers/net/ethernet/broadcom/bgmac.h +++ b/drivers/net/ethernet/broadcom/bgmac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BGMAC_H #define _BGMAC_H diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 3b5e98ecba00..c2d02d02d1e6 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: tg3.h,v 1.37.2.32 2002/03/11 12:18:18 davem Exp $ * tg3.h: Definitions for Broadcom Tigon3 ethernet driver. * diff --git a/drivers/net/ethernet/cadence/Makefile b/drivers/net/ethernet/cadence/Makefile index 1d66ddb68969..1f33cdca9a3c 100644 --- a/drivers/net/ethernet/cadence/Makefile +++ b/drivers/net/ethernet/cadence/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Atmel network device drivers. # diff --git a/drivers/net/ethernet/cavium/liquidio/Makefile b/drivers/net/ethernet/cavium/liquidio/Makefile index c4d411d1aa28..b802896bb2e0 100644 --- a/drivers/net/ethernet/cavium/liquidio/Makefile +++ b/drivers/net/ethernet/cavium/liquidio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Cavium Liquidio ethernet device driver # diff --git a/drivers/net/ethernet/cavium/thunder/Makefile b/drivers/net/ethernet/cavium/thunder/Makefile index 6b4d4add7353..2fc6142d1634 100644 --- a/drivers/net/ethernet/cavium/thunder/Makefile +++ b/drivers/net/ethernet/cavium/thunder/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Cavium's Thunder ethernet device # diff --git a/drivers/net/ethernet/chelsio/Makefile b/drivers/net/ethernet/chelsio/Makefile index b6a5eec6ed8e..c0f978d2e8a7 100644 --- a/drivers/net/ethernet/chelsio/Makefile +++ b/drivers/net/ethernet/chelsio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Chelsio network device drivers. # diff --git a/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h b/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h index ccdb2bc9ae98..e9c65d812c4e 100644 --- a/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h +++ b/drivers/net/ethernet/chelsio/cxgb/fpga_defs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Date: 2005/03/07 23:59:05 $ $RCSfile: fpga_defs.h,v $ $Revision: 1.4 $ */ /* diff --git a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c index 76ce6e538326..30b003484fc1 100644 --- a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c +++ b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Date: 2005/10/24 23:18:13 $ $RCSfile: mv88e1xxx.c,v $ $Revision: 1.49 $ */ #include "common.h" #include "mv88e1xxx.h" diff --git a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h index 967cc4286359..11bf0f7c2f90 100644 --- a/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h +++ b/drivers/net/ethernet/chelsio/cxgb/mv88e1xxx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Date: 2005/03/07 23:59:05 $ $RCSfile: mv88e1xxx.h,v $ $Revision: 1.13 $ */ #ifndef CHELSIO_MV8E1XXX_H #define CHELSIO_MV8E1XXX_H diff --git a/drivers/net/ethernet/chelsio/cxgb/my3126.c b/drivers/net/ethernet/chelsio/cxgb/my3126.c index d546f46c8ef7..20c09cc4b323 100644 --- a/drivers/net/ethernet/chelsio/cxgb/my3126.c +++ b/drivers/net/ethernet/chelsio/cxgb/my3126.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Date: 2005/11/12 02:13:49 $ $RCSfile: my3126.c,v $ $Revision: 1.15 $ */ #include "cphy.h" #include "elmer0.h" diff --git a/drivers/net/ethernet/chelsio/cxgb/tp.c b/drivers/net/ethernet/chelsio/cxgb/tp.c index b146acabf982..4337cee0763e 100644 --- a/drivers/net/ethernet/chelsio/cxgb/tp.c +++ b/drivers/net/ethernet/chelsio/cxgb/tp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Date: 2006/02/07 04:21:54 $ $RCSfile: tp.c,v $ $Revision: 1.73 $ */ #include "common.h" #include "regs.h" diff --git a/drivers/net/ethernet/chelsio/cxgb/tp.h b/drivers/net/ethernet/chelsio/cxgb/tp.h index dfd8ce25106a..ba15675d56df 100644 --- a/drivers/net/ethernet/chelsio/cxgb/tp.h +++ b/drivers/net/ethernet/chelsio/cxgb/tp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Date: 2005/03/07 23:59:05 $ $RCSfile: tp.h,v $ $Revision: 1.20 $ */ #ifndef CHELSIO_TP_H #define CHELSIO_TP_H diff --git a/drivers/net/ethernet/chelsio/cxgb/vsc7326.c b/drivers/net/ethernet/chelsio/cxgb/vsc7326.c index bdc895bd2a46..873c1c7b4ca0 100644 --- a/drivers/net/ethernet/chelsio/cxgb/vsc7326.c +++ b/drivers/net/ethernet/chelsio/cxgb/vsc7326.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* $Date: 2006/04/28 19:20:06 $ $RCSfile: vsc7326.c,v $ $Revision: 1.19 $ */ /* Driver for Vitesse VSC7326 (Schaumburg) MAC */ diff --git a/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h b/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h index 479edbcabe68..04503857c6a9 100644 --- a/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h +++ b/drivers/net/ethernet/chelsio/cxgb/vsc7326_reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Date: 2006/04/28 19:20:17 $ $RCSfile: vsc7326_reg.h,v $ $Revision: 1.5 $ */ #ifndef _VSC7321_REG_H_ #define _VSC7321_REG_H_ diff --git a/drivers/net/ethernet/chelsio/cxgb3/regs.h b/drivers/net/ethernet/chelsio/cxgb3/regs.h index 81029b872bdd..174eb45100a4 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/regs.h +++ b/drivers/net/ethernet/chelsio/cxgb3/regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define A_SG_CONTROL 0x0 #define S_CONGMODE 29 diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h b/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h index 29b6c800b238..c31ce8dc95fb 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h +++ b/drivers/net/ethernet/chelsio/cxgb3/sge_defs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file is automatically generated --- any changes will be lost. */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/Makefile b/drivers/net/ethernet/chelsio/cxgb4/Makefile index 817212702f0a..24143c8abfdb 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/Makefile +++ b/drivers/net/ethernet/chelsio/cxgb4/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Chelsio T4 driver # diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 4ef68f69b58c..43f52a8fe708 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -405,7 +405,7 @@ void free_tx_desc(struct adapter *adap, struct sge_txq *q, */ static inline int reclaimable(const struct sge_txq *q) { - int hw_cidx = ntohs(ACCESS_ONCE(q->stat->cidx)); + int hw_cidx = ntohs(READ_ONCE(q->stat->cidx)); hw_cidx -= q->cidx; return hw_cidx < 0 ? hw_cidx + q->size : hw_cidx; } @@ -1375,7 +1375,7 @@ out_free: dev_kfree_skb_any(skb); */ static inline void reclaim_completed_tx_imm(struct sge_txq *q) { - int hw_cidx = ntohs(ACCESS_ONCE(q->stat->cidx)); + int hw_cidx = ntohs(READ_ONCE(q->stat->cidx)); int reclaim = hw_cidx - q->cidx; if (reclaim < 0) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h index f2d623a7aee0..123e2c1b65f5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h @@ -37,7 +37,7 @@ #define T4FW_VERSION_MAJOR 0x01 #define T4FW_VERSION_MINOR 0x10 -#define T4FW_VERSION_MICRO 0x2D +#define T4FW_VERSION_MICRO 0x3F #define T4FW_VERSION_BUILD 0x00 #define T4FW_MIN_VERSION_MAJOR 0x01 @@ -46,7 +46,7 @@ #define T5FW_VERSION_MAJOR 0x01 #define T5FW_VERSION_MINOR 0x10 -#define T5FW_VERSION_MICRO 0x2D +#define T5FW_VERSION_MICRO 0x3F #define T5FW_VERSION_BUILD 0x00 #define T5FW_MIN_VERSION_MAJOR 0x00 @@ -55,7 +55,7 @@ #define T6FW_VERSION_MAJOR 0x01 #define T6FW_VERSION_MINOR 0x10 -#define T6FW_VERSION_MICRO 0x2D +#define T6FW_VERSION_MICRO 0x3F #define T6FW_VERSION_BUILD 0x00 #define T6FW_MIN_VERSION_MAJOR 0x00 diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.c b/drivers/net/ethernet/cisco/enic/enic_clsf.c index 3c677ed3c29e..8dc21c9f9716 100644 --- a/drivers/net/ethernet/cisco/enic/enic_clsf.c +++ b/drivers/net/ethernet/cisco/enic/enic_clsf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/if.h> #include <linux/if_ether.h> #include <linux/if_link.h> diff --git a/drivers/net/ethernet/cisco/enic/enic_clsf.h b/drivers/net/ethernet/cisco/enic/enic_clsf.h index 6aa9f89d073b..d3c4a1cb0610 100644 --- a/drivers/net/ethernet/cisco/enic/enic_clsf.h +++ b/drivers/net/ethernet/cisco/enic/enic_clsf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ENIC_CLSF_H_ #define _ENIC_CLSF_H_ diff --git a/drivers/net/ethernet/davicom/dm9000.h b/drivers/net/ethernet/davicom/dm9000.h index 9ce058adabab..581b35ad44ef 100644 --- a/drivers/net/ethernet/davicom/dm9000.h +++ b/drivers/net/ethernet/davicom/dm9000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * dm9000 Ethernet */ diff --git a/drivers/net/ethernet/dec/tulip/Makefile b/drivers/net/ethernet/dec/tulip/Makefile index 5e8be38b45bb..8aab37564d5d 100644 --- a/drivers/net/ethernet/dec/tulip/Makefile +++ b/drivers/net/ethernet/dec/tulip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux "Tulip" family network device drivers. # diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 0e3d9f39a807..c6e859a27ee6 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -605,7 +605,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val) if (wrapped) newacc += 65536; - ACCESS_ONCE(*acc) = newacc; + WRITE_ONCE(*acc, newacc); } static void populate_erx_stats(struct be_adapter *adapter, diff --git a/drivers/net/ethernet/freescale/Makefile b/drivers/net/ethernet/freescale/Makefile index c46df5c82af5..ed8ad0fefbda 100644 --- a/drivers/net/ethernet/freescale/Makefile +++ b/drivers/net/ethernet/freescale/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Freescale network device drivers. # diff --git a/drivers/net/ethernet/freescale/dpaa/Makefile b/drivers/net/ethernet/freescale/dpaa/Makefile index 7db50bccb137..4f23e79232fa 100644 --- a/drivers/net/ethernet/freescale/dpaa/Makefile +++ b/drivers/net/ethernet/freescale/dpaa/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Freescale DPAA Ethernet controllers # diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index ede1876a9a19..44720f83af27 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************/ /* diff --git a/drivers/net/ethernet/freescale/fman/Makefile b/drivers/net/ethernet/freescale/fman/Makefile index 2c38119b172c..f83a3653b63b 100644 --- a/drivers/net/ethernet/freescale/fman/Makefile +++ b/drivers/net/ethernet/freescale/fman/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/net/ethernet/freescale/fman obj-$(CONFIG_FSL_FMAN) += fsl_fman.o diff --git a/drivers/net/ethernet/freescale/fs_enet/Makefile b/drivers/net/ethernet/freescale/fs_enet/Makefile index d4a305ee3455..1821f94ef619 100644 --- a/drivers/net/ethernet/freescale/fs_enet/Makefile +++ b/drivers/net/ethernet/freescale/fs_enet/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Freescale Ethernet controllers # diff --git a/drivers/net/ethernet/freescale/fs_enet/fec.h b/drivers/net/ethernet/freescale/fs_enet/fec.h index b9fe5bde432a..7832db71dcb9 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fec.h +++ b/drivers/net/ethernet/freescale/fs_enet/fec.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef FS_ENET_FEC_H #define FS_ENET_FEC_H diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet.h b/drivers/net/ethernet/freescale/fs_enet/fs_enet.h index 5ce516c8a62a..168e10ea487f 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet.h +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef FS_ENET_H #define FS_ENET_H diff --git a/drivers/net/ethernet/hisilicon/Makefile b/drivers/net/ethernet/hisilicon/Makefile index 3828c435c18f..7f76d412047a 100644 --- a/drivers/net/ethernet/hisilicon/Makefile +++ b/drivers/net/ethernet/hisilicon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the HISILICON network device drivers. # diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 0cec06bec63e..340e28211135 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -373,7 +373,7 @@ static int hip04_tx_reclaim(struct net_device *ndev, bool force) unsigned int count; smp_rmb(); - count = tx_count(ACCESS_ONCE(priv->tx_head), tx_tail); + count = tx_count(READ_ONCE(priv->tx_head), tx_tail); if (count == 0) goto out; @@ -431,7 +431,7 @@ static int hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) dma_addr_t phys; smp_rmb(); - count = tx_count(tx_head, ACCESS_ONCE(priv->tx_tail)); + count = tx_count(tx_head, READ_ONCE(priv->tx_tail)); if (count == (TX_DESC_NUM - 1)) { netif_stop_queue(ndev); return NETDEV_TX_BUSY; diff --git a/drivers/net/ethernet/hisilicon/hns/Makefile b/drivers/net/ethernet/hisilicon/hns/Makefile index 6010c83e38d8..7aa623b9c82a 100644 --- a/drivers/net/ethernet/hisilicon/hns/Makefile +++ b/drivers/net/ethernet/hisilicon/hns/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the HISILICON network device drivers. # diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 36520634c96a..e77192683dba 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -2369,8 +2369,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev) priv->enet_ver = AE_VERSION_2; ae_node = of_parse_phandle(dev->of_node, "ae-handle", 0); - if (IS_ERR_OR_NULL(ae_node)) { - ret = PTR_ERR(ae_node); + if (!ae_node) { + ret = -ENODEV; dev_err(dev, "not find ae-handle\n"); goto out_read_prop_fail; } diff --git a/drivers/net/ethernet/i825xx/Makefile b/drivers/net/ethernet/i825xx/Makefile index 8c8dcd29c40d..422a19a5d94f 100644 --- a/drivers/net/ethernet/i825xx/Makefile +++ b/drivers/net/ethernet/i825xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Intel 82586/82593/82596 chipset device drivers. # diff --git a/drivers/net/ethernet/ibm/emac/Makefile b/drivers/net/ethernet/ibm/emac/Makefile index 98768ba0955a..ddf1ce3c8cca 100644 --- a/drivers/net/ethernet/ibm/emac/Makefile +++ b/drivers/net/ethernet/ibm/emac/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the PowerPC 4xx on-chip ethernet driver # diff --git a/drivers/net/ethernet/intel/Makefile b/drivers/net/ethernet/intel/Makefile index 5ea764d85ec3..90af7757a885 100644 --- a/drivers/net/ethernet/intel/Makefile +++ b/drivers/net/ethernet/intel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Intel network device drivers. # diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c index ec8aa4562cc9..3b3983a1ffbb 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c +++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c @@ -1824,11 +1824,12 @@ static void e1000_get_ethtool_stats(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); int i; - char *p = NULL; const struct e1000_stats *stat = e1000_gstrings_stats; e1000_update_stats(adapter); - for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { + for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++, stat++) { + char *p; + switch (stat->type) { case NETDEV_STATS: p = (char *)netdev + stat->stat_offset; @@ -1839,15 +1840,13 @@ static void e1000_get_ethtool_stats(struct net_device *netdev, default: WARN_ONCE(1, "Invalid E1000 stat type: %u index %d\n", stat->type, i); - break; + continue; } if (stat->sizeof_stat == sizeof(u64)) data[i] = *(u64 *)p; else data[i] = *(u32 *)p; - - stat++; } /* BUG_ON(i != E1000_STATS_LEN); */ } diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 98375e1e1185..1982f7917a8d 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -520,8 +520,6 @@ void e1000_down(struct e1000_adapter *adapter) struct net_device *netdev = adapter->netdev; u32 rctl, tctl; - netif_carrier_off(netdev); - /* disable receives in the hardware */ rctl = er32(RCTL); ew32(RCTL, rctl & ~E1000_RCTL_EN); @@ -537,6 +535,15 @@ void e1000_down(struct e1000_adapter *adapter) E1000_WRITE_FLUSH(); msleep(10); + /* Set the carrier off after transmits have been disabled in the + * hardware, to avoid race conditions with e1000_watchdog() (which + * may be running concurrently to us, checking for the carrier + * bit to decide whether it should enable transmits again). Such + * a race condition would result into transmission being disabled + * in the hardware until the next IFF_DOWN+IFF_UP cycle. + */ + netif_carrier_off(netdev); + napi_disable(&adapter->napi); e1000_irq_disable(adapter); diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index 8f326f87a815..2cb9539c931e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -264,7 +264,7 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) vsi->rx_buf_failed, vsi->rx_page_failed); rcu_read_lock(); for (i = 0; i < vsi->num_queue_pairs; i++) { - struct i40e_ring *rx_ring = ACCESS_ONCE(vsi->rx_rings[i]); + struct i40e_ring *rx_ring = READ_ONCE(vsi->rx_rings[i]); if (!rx_ring) continue; @@ -320,7 +320,7 @@ static void i40e_dbg_dump_vsi_seid(struct i40e_pf *pf, int seid) ITR_IS_DYNAMIC(rx_ring->rx_itr_setting) ? "dynamic" : "fixed"); } for (i = 0; i < vsi->num_queue_pairs; i++) { - struct i40e_ring *tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); + struct i40e_ring *tx_ring = READ_ONCE(vsi->tx_rings[i]); if (!tx_ring) continue; diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 05e89864f781..e9e04a485e0a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -1570,7 +1570,7 @@ static void i40e_get_ethtool_stats(struct net_device *netdev, } rcu_read_lock(); for (j = 0; j < vsi->num_queue_pairs; j++) { - tx_ring = ACCESS_ONCE(vsi->tx_rings[j]); + tx_ring = READ_ONCE(vsi->tx_rings[j]); if (!tx_ring) continue; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 6498da8806cb..de1fcac7834d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -455,7 +455,7 @@ static void i40e_get_netdev_stats_struct(struct net_device *netdev, u64 bytes, packets; unsigned int start; - tx_ring = ACCESS_ONCE(vsi->tx_rings[i]); + tx_ring = READ_ONCE(vsi->tx_rings[i]); if (!tx_ring) continue; i40e_get_netdev_stats_struct_tx(tx_ring, stats); @@ -791,7 +791,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi) rcu_read_lock(); for (q = 0; q < vsi->num_queue_pairs; q++) { /* locate Tx ring */ - p = ACCESS_ONCE(vsi->tx_rings[q]); + p = READ_ONCE(vsi->tx_rings[q]); do { start = u64_stats_fetch_begin_irq(&p->syncp); diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c index d8456c381c99..97381238eb7c 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c @@ -130,7 +130,7 @@ static int i40e_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) } smp_mb(); /* Force any pending update before accessing. */ - adj = ACCESS_ONCE(pf->ptp_base_adj); + adj = READ_ONCE(pf->ptp_base_adj); freq = adj; freq *= ppb; @@ -499,7 +499,7 @@ void i40e_ptp_set_increment(struct i40e_pf *pf) wr32(hw, I40E_PRTTSYN_INC_H, incval >> 32); /* Update the base adjustement value. */ - ACCESS_ONCE(pf->ptp_base_adj) = incval; + WRITE_ONCE(pf->ptp_base_adj, incval); smp_mb(); /* Force the above update. */ } diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 2756131495f0..120c68f78951 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2102,6 +2102,7 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget) if (unlikely(i40e_rx_is_programming_status(qword))) { i40e_clean_programming_status(rx_ring, rx_desc, qword); + cleaned_count++; continue; } size = (qword & I40E_RXD_QW1_LENGTH_PBUF_MASK) >> @@ -2269,7 +2270,7 @@ static inline void i40e_update_enable_itr(struct i40e_vsi *vsi, goto enable_int; } - if (ITR_IS_DYNAMIC(tx_itr_setting)) { + if (ITR_IS_DYNAMIC(rx_itr_setting)) { rx = i40e_set_new_dynamic_itr(&q_vector->rx); rxval = i40e_buildreg_itr(I40E_RX_ITR, q_vector->rx.itr); } diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_client.c b/drivers/net/ethernet/intel/i40evf/i40evf_client.c index 93cf5fd17d91..d8131139565e 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_client.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_client.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/list.h> #include <linux/errno.h> diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_client.h b/drivers/net/ethernet/intel/i40evf/i40evf_client.h index 7d283c7506a5..15a10da5bd4a 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_client.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf_client.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _I40E_CLIENT_H_ #define _I40E_CLIENT_H_ diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h index 58adbf234e07..31a3f09df9f7 100644 --- a/drivers/net/ethernet/intel/igb/e1000_regs.h +++ b/drivers/net/ethernet/intel/igb/e1000_regs.h @@ -375,7 +375,7 @@ u32 igb_rd32(struct e1000_hw *hw, u32 reg); /* write operations, indexed using DWORDS */ #define wr32(reg, val) \ do { \ - u8 __iomem *hw_addr = ACCESS_ONCE((hw)->hw_addr); \ + u8 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \ if (!E1000_REMOVED(hw_addr)) \ writel((val), &hw_addr[(reg)]); \ } while (0) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index fd4a46b03cc8..18b6c25d4705 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -750,7 +750,7 @@ static void igb_cache_ring_register(struct igb_adapter *adapter) u32 igb_rd32(struct e1000_hw *hw, u32 reg) { struct igb_adapter *igb = container_of(hw, struct igb_adapter, hw); - u8 __iomem *hw_addr = ACCESS_ONCE(hw->hw_addr); + u8 __iomem *hw_addr = READ_ONCE(hw->hw_addr); u32 value = 0; if (E1000_REMOVED(hw_addr)) @@ -5326,7 +5326,7 @@ dma_error: DMA_TO_DEVICE); dma_unmap_len_set(tx_buffer, len, 0); - if (i--) + if (i-- == 0) i += tx_ring->count; tx_buffer = &tx_ring->tx_buffer_info[i]; } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h index e083732adf64..a01409e2e06c 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h @@ -161,7 +161,7 @@ static inline bool ixgbe_removed(void __iomem *addr) static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value) { - u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr); + u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); if (ixgbe_removed(reg_addr)) return; @@ -180,7 +180,7 @@ static inline void writeq(u64 val, void __iomem *addr) static inline void ixgbe_write_reg64(struct ixgbe_hw *hw, u32 reg, u64 value) { - u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr); + u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); if (ixgbe_removed(reg_addr)) return; diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 4d76afd13868..935a2f15b0b0 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -380,7 +380,7 @@ static void ixgbe_check_remove(struct ixgbe_hw *hw, u32 reg) */ u32 ixgbe_read_reg(struct ixgbe_hw *hw, u32 reg) { - u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr); + u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); u32 value; if (ixgbe_removed(reg_addr)) @@ -8020,29 +8020,23 @@ static int ixgbe_tx_map(struct ixgbe_ring *tx_ring, return 0; dma_error: dev_err(tx_ring->dev, "TX DMA map failed\n"); - tx_buffer = &tx_ring->tx_buffer_info[i]; /* clear dma mappings for failed tx_buffer_info map */ - while (tx_buffer != first) { + for (;;) { + tx_buffer = &tx_ring->tx_buffer_info[i]; if (dma_unmap_len(tx_buffer, len)) dma_unmap_page(tx_ring->dev, dma_unmap_addr(tx_buffer, dma), dma_unmap_len(tx_buffer, len), DMA_TO_DEVICE); dma_unmap_len_set(tx_buffer, len, 0); - - if (i--) + if (tx_buffer == first) + break; + if (i == 0) i += tx_ring->count; - tx_buffer = &tx_ring->tx_buffer_info[i]; + i--; } - if (dma_unmap_len(tx_buffer, len)) - dma_unmap_single(tx_ring->dev, - dma_unmap_addr(tx_buffer, dma), - dma_unmap_len(tx_buffer, len), - DMA_TO_DEVICE); - dma_unmap_len_set(tx_buffer, len, 0); - dev_kfree_skb_any(first->skb); first->skb = NULL; @@ -8630,7 +8624,7 @@ static void ixgbe_get_stats64(struct net_device *netdev, rcu_read_lock(); for (i = 0; i < adapter->num_rx_queues; i++) { - struct ixgbe_ring *ring = ACCESS_ONCE(adapter->rx_ring[i]); + struct ixgbe_ring *ring = READ_ONCE(adapter->rx_ring[i]); u64 bytes, packets; unsigned int start; @@ -8646,12 +8640,12 @@ static void ixgbe_get_stats64(struct net_device *netdev, } for (i = 0; i < adapter->num_tx_queues; i++) { - struct ixgbe_ring *ring = ACCESS_ONCE(adapter->tx_ring[i]); + struct ixgbe_ring *ring = READ_ONCE(adapter->tx_ring[i]); ixgbe_get_ring_stats64(stats, ring); } for (i = 0; i < adapter->num_xdp_queues; i++) { - struct ixgbe_ring *ring = ACCESS_ONCE(adapter->xdp_ring[i]); + struct ixgbe_ring *ring = READ_ONCE(adapter->xdp_ring[i]); ixgbe_get_ring_stats64(stats, ring); } diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c index 86d6924a2b71..ae312c45696a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c @@ -378,7 +378,7 @@ static int ixgbe_ptp_adjfreq_82599(struct ptp_clock_info *ptp, s32 ppb) } smp_mb(); - incval = ACCESS_ONCE(adapter->base_incval); + incval = READ_ONCE(adapter->base_incval); freq = incval; freq *= ppb; @@ -1159,7 +1159,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) } /* update the base incval used to calculate frequency adjustment */ - ACCESS_ONCE(adapter->base_incval) = incval; + WRITE_ONCE(adapter->base_incval, incval); smp_mb(); /* need lock to prevent incorrect read while modifying cyclecounter */ diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 032f8ac06357..cacb30682434 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -164,7 +164,7 @@ static void ixgbevf_check_remove(struct ixgbe_hw *hw, u32 reg) u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg) { - u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr); + u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); u32 value; if (IXGBE_REMOVED(reg_addr)) diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h index 04d8d4ee4f04..c651fefcc3d2 100644 --- a/drivers/net/ethernet/intel/ixgbevf/vf.h +++ b/drivers/net/ethernet/intel/ixgbevf/vf.h @@ -182,7 +182,7 @@ struct ixgbevf_info { static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value) { - u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr); + u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); if (IXGBE_REMOVED(reg_addr)) return; diff --git a/drivers/net/ethernet/marvell/Makefile b/drivers/net/ethernet/marvell/Makefile index ff1bffa74803..9498ed26dbe5 100644 --- a/drivers/net/ethernet/marvell/Makefile +++ b/drivers/net/ethernet/marvell/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Marvell device drivers. # diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 9c86cb7cb988..fcf9ba5eb8d1 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -1167,6 +1167,11 @@ struct mvpp2_bm_pool { u32 port_map; }; +#define IS_TSO_HEADER(txq_pcpu, addr) \ + ((addr) >= (txq_pcpu)->tso_headers_dma && \ + (addr) < (txq_pcpu)->tso_headers_dma + \ + (txq_pcpu)->size * TSO_HEADER_SIZE) + /* Queue modes */ #define MVPP2_QDIST_SINGLE_MODE 0 #define MVPP2_QDIST_MULTI_MODE 1 @@ -1534,7 +1539,7 @@ static bool mvpp2_prs_tcam_data_cmp(struct mvpp2_prs_entry *pe, int offs, int off = MVPP2_PRS_TCAM_DATA_BYTE(offs); u16 tcam_data; - tcam_data = (8 << pe->tcam.byte[off + 1]) | pe->tcam.byte[off]; + tcam_data = (pe->tcam.byte[off + 1] << 8) | pe->tcam.byte[off]; if (tcam_data != data) return false; return true; @@ -2609,8 +2614,8 @@ static void mvpp2_prs_mac_init(struct mvpp2 *priv) /* place holders only - no ports */ mvpp2_prs_mac_drop_all_set(priv, 0, false); mvpp2_prs_mac_promisc_set(priv, 0, false); - mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_ALL, 0, false); - mvpp2_prs_mac_multi_set(priv, MVPP2_PE_MAC_MC_IP6, 0, false); + mvpp2_prs_mac_multi_set(priv, 0, MVPP2_PE_MAC_MC_ALL, false); + mvpp2_prs_mac_multi_set(priv, 0, MVPP2_PE_MAC_MC_IP6, false); } /* Set default entries for various types of dsa packets */ @@ -3391,7 +3396,7 @@ mvpp2_prs_mac_da_range_find(struct mvpp2 *priv, int pmap, const u8 *da, struct mvpp2_prs_entry *pe; int tid; - pe = kzalloc(sizeof(*pe), GFP_KERNEL); + pe = kzalloc(sizeof(*pe), GFP_ATOMIC); if (!pe) return NULL; mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC); @@ -3453,7 +3458,7 @@ static int mvpp2_prs_mac_da_accept(struct mvpp2 *priv, int port, if (tid < 0) return tid; - pe = kzalloc(sizeof(*pe), GFP_KERNEL); + pe = kzalloc(sizeof(*pe), GFP_ATOMIC); if (!pe) return -ENOMEM; mvpp2_prs_tcam_lu_set(pe, MVPP2_PRS_LU_MAC); @@ -5321,8 +5326,9 @@ static void mvpp2_txq_bufs_free(struct mvpp2_port *port, struct mvpp2_txq_pcpu_buf *tx_buf = txq_pcpu->buffs + txq_pcpu->txq_get_index; - dma_unmap_single(port->dev->dev.parent, tx_buf->dma, - tx_buf->size, DMA_TO_DEVICE); + if (!IS_TSO_HEADER(txq_pcpu, tx_buf->dma)) + dma_unmap_single(port->dev->dev.parent, tx_buf->dma, + tx_buf->size, DMA_TO_DEVICE); if (tx_buf->skb) dev_kfree_skb_any(tx_buf->skb); @@ -5609,7 +5615,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, txq_pcpu->tso_headers = dma_alloc_coherent(port->dev->dev.parent, - MVPP2_AGGR_TXQ_SIZE * TSO_HEADER_SIZE, + txq_pcpu->size * TSO_HEADER_SIZE, &txq_pcpu->tso_headers_dma, GFP_KERNEL); if (!txq_pcpu->tso_headers) @@ -5623,7 +5629,7 @@ cleanup: kfree(txq_pcpu->buffs); dma_free_coherent(port->dev->dev.parent, - MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE, + txq_pcpu->size * TSO_HEADER_SIZE, txq_pcpu->tso_headers, txq_pcpu->tso_headers_dma); } @@ -5647,7 +5653,7 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, kfree(txq_pcpu->buffs); dma_free_coherent(port->dev->dev.parent, - MVPP2_AGGR_TXQ_SIZE * MVPP2_DESC_ALIGNED_SIZE, + txq_pcpu->size * TSO_HEADER_SIZE, txq_pcpu->tso_headers, txq_pcpu->tso_headers_dma); } @@ -6212,12 +6218,15 @@ static inline void tx_desc_unmap_put(struct mvpp2_port *port, struct mvpp2_tx_queue *txq, struct mvpp2_tx_desc *desc) { + struct mvpp2_txq_pcpu *txq_pcpu = this_cpu_ptr(txq->pcpu); + dma_addr_t buf_dma_addr = mvpp2_txdesc_dma_addr_get(port, desc); size_t buf_sz = mvpp2_txdesc_size_get(port, desc); - dma_unmap_single(port->dev->dev.parent, buf_dma_addr, - buf_sz, DMA_TO_DEVICE); + if (!IS_TSO_HEADER(txq_pcpu, buf_dma_addr)) + dma_unmap_single(port->dev->dev.parent, buf_dma_addr, + buf_sz, DMA_TO_DEVICE); mvpp2_txq_desc_put(txq); } @@ -6490,7 +6499,7 @@ out: } /* Finalize TX processing */ - if (txq_pcpu->count >= txq->done_pkts_coal) + if (!port->has_tx_irqs && txq_pcpu->count >= txq->done_pkts_coal) mvpp2_txq_done(port, txq, txq_pcpu); /* Set the timer in case not all frags were processed */ @@ -6738,6 +6747,9 @@ static int mvpp2_irqs_init(struct mvpp2_port *port) for (i = 0; i < port->nqvecs; i++) { struct mvpp2_queue_vector *qv = port->qvecs + i; + if (qv->type == MVPP2_QUEUE_VECTOR_PRIVATE) + irq_set_status_flags(qv->irq, IRQ_NO_BALANCING); + err = request_irq(qv->irq, mvpp2_isr, 0, port->dev->name, qv); if (err) goto err; @@ -6767,6 +6779,7 @@ static void mvpp2_irqs_deinit(struct mvpp2_port *port) struct mvpp2_queue_vector *qv = port->qvecs + i; irq_set_affinity_hint(qv->irq, NULL); + irq_clear_status_flags(qv->irq, IRQ_NO_BALANCING); free_irq(qv->irq, qv); } } diff --git a/drivers/net/ethernet/marvell/skge.h b/drivers/net/ethernet/marvell/skge.h index 3ea151ff9c43..6fa7b6a34c08 100644 --- a/drivers/net/ethernet/marvell/skge.h +++ b/drivers/net/ethernet/marvell/skge.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for the new Marvell Yukon / SysKonnect driver. */ diff --git a/drivers/net/ethernet/marvell/sky2.h b/drivers/net/ethernet/marvell/sky2.h index 0fe160796842..b02b6523083c 100644 --- a/drivers/net/ethernet/marvell/sky2.h +++ b/drivers/net/ethernet/marvell/sky2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for the new Marvell Yukon 2 driver. */ diff --git a/drivers/net/ethernet/mellanox/mlx4/Makefile b/drivers/net/ethernet/mellanox/mlx4/Makefile index c82217e0d22d..16b10d01fcf4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/Makefile +++ b/drivers/net/ethernet/mellanox/mlx4/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MLX4_CORE) += mlx4_core.o mlx4_core-y := alloc.o catas.o cmd.o cq.o eq.o fw.o fw_qos.o icm.o intf.o \ diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8a32a8f7f9c0..3541a7f9d12e 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -414,8 +414,8 @@ bool mlx4_en_process_tx_cq(struct net_device *dev, index = cons_index & size_mask; cqe = mlx4_en_get_cqe(buf, index, priv->cqe_size) + factor; - last_nr_txbb = ACCESS_ONCE(ring->last_nr_txbb); - ring_cons = ACCESS_ONCE(ring->cons); + last_nr_txbb = READ_ONCE(ring->last_nr_txbb); + ring_cons = READ_ONCE(ring->cons); ring_index = ring_cons & size_mask; stamp_index = ring_index; @@ -479,8 +479,8 @@ bool mlx4_en_process_tx_cq(struct net_device *dev, wmb(); /* we want to dirty this cache line once */ - ACCESS_ONCE(ring->last_nr_txbb) = last_nr_txbb; - ACCESS_ONCE(ring->cons) = ring_cons + txbbs_skipped; + WRITE_ONCE(ring->last_nr_txbb, last_nr_txbb); + WRITE_ONCE(ring->cons, ring_cons + txbbs_skipped); if (cq->type == TX_XDP) return done < budget; @@ -858,7 +858,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) goto tx_drop; /* fetch ring->cons far ahead before needing it to avoid stall */ - ring_cons = ACCESS_ONCE(ring->cons); + ring_cons = READ_ONCE(ring->cons); real_size = get_real_size(skb, shinfo, dev, &lso_header_size, &inline_ok, &fragptr); @@ -1066,7 +1066,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) */ smp_rmb(); - ring_cons = ACCESS_ONCE(ring->cons); + ring_cons = READ_ONCE(ring->cons); if (unlikely(!mlx4_en_is_tx_ring_full(ring))) { netif_tx_wake_queue(ring->tx_queue); ring->wake_queue++; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h index 926f3c3f3665..aab28eb27a30 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_stats.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MLX4_STATS_ #define _MLX4_STATS_ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile index 87a3099808f3..714dd0dc5eef 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile +++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MLX5_CORE) += mlx5_core.o subdir-ccflags-y += -I$(src) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c index ff60cf7342ca..17b723218b0c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/dev.c @@ -77,35 +77,41 @@ static void add_delayed_event(struct mlx5_priv *priv, list_add_tail(&delayed_event->list, &priv->waiting_events_list); } -static void fire_delayed_event_locked(struct mlx5_device_context *dev_ctx, - struct mlx5_core_dev *dev, - struct mlx5_priv *priv) +static void delayed_event_release(struct mlx5_device_context *dev_ctx, + struct mlx5_priv *priv) { + struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); struct mlx5_delayed_event *de; struct mlx5_delayed_event *n; + struct list_head temp; - /* stop delaying events */ - priv->is_accum_events = false; + INIT_LIST_HEAD(&temp); + + spin_lock_irq(&priv->ctx_lock); - /* fire all accumulated events before new event comes */ - list_for_each_entry_safe(de, n, &priv->waiting_events_list, list) { + priv->is_accum_events = false; + list_splice_init(&priv->waiting_events_list, &temp); + if (!dev_ctx->context) + goto out; + list_for_each_entry_safe(de, n, &temp, list) dev_ctx->intf->event(dev, dev_ctx->context, de->event, de->param); + +out: + spin_unlock_irq(&priv->ctx_lock); + + list_for_each_entry_safe(de, n, &temp, list) { list_del(&de->list); kfree(de); } } -static void cleanup_delayed_evets(struct mlx5_priv *priv) +/* accumulating events that can come after mlx5_ib calls to + * ib_register_device, till adding that interface to the events list. + */ +static void delayed_event_start(struct mlx5_priv *priv) { - struct mlx5_delayed_event *de; - struct mlx5_delayed_event *n; - spin_lock_irq(&priv->ctx_lock); - priv->is_accum_events = false; - list_for_each_entry_safe(de, n, &priv->waiting_events_list, list) { - list_del(&de->list); - kfree(de); - } + priv->is_accum_events = true; spin_unlock_irq(&priv->ctx_lock); } @@ -122,11 +128,8 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) return; dev_ctx->intf = intf; - /* accumulating events that can come after mlx5_ib calls to - * ib_register_device, till adding that interface to the events list. - */ - priv->is_accum_events = true; + delayed_event_start(priv); dev_ctx->context = intf->add(dev); set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state); @@ -137,8 +140,6 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) spin_lock_irq(&priv->ctx_lock); list_add_tail(&dev_ctx->list, &priv->ctx_list); - fire_delayed_event_locked(dev_ctx, dev, priv); - #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING if (dev_ctx->intf->pfault) { if (priv->pfault) { @@ -150,11 +151,12 @@ void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) } #endif spin_unlock_irq(&priv->ctx_lock); - } else { - kfree(dev_ctx); - /* delete all accumulated events */ - cleanup_delayed_evets(priv); } + + delayed_event_release(dev_ctx, priv); + + if (!dev_ctx->context) + kfree(dev_ctx); } static struct mlx5_device_context *mlx5_get_device(struct mlx5_interface *intf, @@ -205,17 +207,21 @@ static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv if (!dev_ctx) return; + delayed_event_start(priv); if (intf->attach) { if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state)) - return; + goto out; intf->attach(dev, dev_ctx->context); set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state); } else { if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state)) - return; + goto out; dev_ctx->context = intf->add(dev); set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state); } + +out: + delayed_event_release(dev_ctx, priv); } void mlx5_attach_device(struct mlx5_core_dev *dev) @@ -414,8 +420,14 @@ void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event, if (priv->is_accum_events) add_delayed_event(priv, dev, event, param); + /* After mlx5_detach_device, the dev_ctx->intf is still set and dev_ctx is + * still in priv->ctx_list. In this case, only notify the dev_ctx if its + * ADDED or ATTACHED bit are set. + */ list_for_each_entry(dev_ctx, &priv->ctx_list, list) - if (dev_ctx->intf->event) + if (dev_ctx->intf->event && + (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state) || + test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))) dev_ctx->intf->event(dev, dev_ctx->context, event, param); spin_unlock_irqrestore(&priv->ctx_lock, flags); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index cc13d3dbd366..13b5ef9d8703 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -67,7 +67,7 @@ #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd -#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1 +#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6 diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index c1d384fca4dc..51c4cc00a186 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -41,6 +41,11 @@ #define MLX5E_CEE_STATE_UP 1 #define MLX5E_CEE_STATE_DOWN 0 +enum { + MLX5E_VENDOR_TC_GROUP_NUM = 7, + MLX5E_LOWEST_PRIO_GROUP = 0, +}; + /* If dcbx mode is non-host set the dcbx mode to host. */ static int mlx5e_dcbnl_set_dcbx_mode(struct mlx5e_priv *priv, @@ -85,6 +90,9 @@ static int mlx5e_dcbnl_ieee_getets(struct net_device *netdev, { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5_core_dev *mdev = priv->mdev; + u8 tc_group[IEEE_8021QAZ_MAX_TCS]; + bool is_tc_group_6_exist = false; + bool is_zero_bw_ets_tc = false; int err = 0; int i; @@ -96,37 +104,64 @@ static int mlx5e_dcbnl_ieee_getets(struct net_device *netdev, err = mlx5_query_port_prio_tc(mdev, i, &ets->prio_tc[i]); if (err) return err; - } - for (i = 0; i < ets->ets_cap; i++) { + err = mlx5_query_port_tc_group(mdev, i, &tc_group[i]); + if (err) + return err; + err = mlx5_query_port_tc_bw_alloc(mdev, i, &ets->tc_tx_bw[i]); if (err) return err; + + if (ets->tc_tx_bw[i] < MLX5E_MAX_BW_ALLOC && + tc_group[i] == (MLX5E_LOWEST_PRIO_GROUP + 1)) + is_zero_bw_ets_tc = true; + + if (tc_group[i] == (MLX5E_VENDOR_TC_GROUP_NUM - 1)) + is_tc_group_6_exist = true; + } + + /* Report 0% ets tc if exits*/ + if (is_zero_bw_ets_tc) { + for (i = 0; i < ets->ets_cap; i++) + if (tc_group[i] == MLX5E_LOWEST_PRIO_GROUP) + ets->tc_tx_bw[i] = 0; + } + + /* Update tc_tsa based on fw setting*/ + for (i = 0; i < ets->ets_cap; i++) { if (ets->tc_tx_bw[i] < MLX5E_MAX_BW_ALLOC) priv->dcbx.tc_tsa[i] = IEEE_8021QAZ_TSA_ETS; + else if (tc_group[i] == MLX5E_VENDOR_TC_GROUP_NUM && + !is_tc_group_6_exist) + priv->dcbx.tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR; } - memcpy(ets->tc_tsa, priv->dcbx.tc_tsa, sizeof(ets->tc_tsa)); return err; } -enum { - MLX5E_VENDOR_TC_GROUP_NUM = 7, - MLX5E_ETS_TC_GROUP_NUM = 0, -}; - static void mlx5e_build_tc_group(struct ieee_ets *ets, u8 *tc_group, int max_tc) { bool any_tc_mapped_to_ets = false; + bool ets_zero_bw = false; int strict_group; int i; - for (i = 0; i <= max_tc; i++) - if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) + for (i = 0; i <= max_tc; i++) { + if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) { any_tc_mapped_to_ets = true; + if (!ets->tc_tx_bw[i]) + ets_zero_bw = true; + } + } - strict_group = any_tc_mapped_to_ets ? 1 : 0; + /* strict group has higher priority than ets group */ + strict_group = MLX5E_LOWEST_PRIO_GROUP; + if (any_tc_mapped_to_ets) + strict_group++; + if (ets_zero_bw) + strict_group++; for (i = 0; i <= max_tc; i++) { switch (ets->tc_tsa[i]) { @@ -137,7 +172,9 @@ static void mlx5e_build_tc_group(struct ieee_ets *ets, u8 *tc_group, int max_tc) tc_group[i] = strict_group++; break; case IEEE_8021QAZ_TSA_ETS: - tc_group[i] = MLX5E_ETS_TC_GROUP_NUM; + tc_group[i] = MLX5E_LOWEST_PRIO_GROUP; + if (ets->tc_tx_bw[i] && ets_zero_bw) + tc_group[i] = MLX5E_LOWEST_PRIO_GROUP + 1; break; } } @@ -146,9 +183,23 @@ static void mlx5e_build_tc_group(struct ieee_ets *ets, u8 *tc_group, int max_tc) static void mlx5e_build_tc_tx_bw(struct ieee_ets *ets, u8 *tc_tx_bw, u8 *tc_group, int max_tc) { + int bw_for_ets_zero_bw_tc = 0; + int last_ets_zero_bw_tc = -1; + int num_ets_zero_bw = 0; int i; for (i = 0; i <= max_tc; i++) { + if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS && + !ets->tc_tx_bw[i]) { + num_ets_zero_bw++; + last_ets_zero_bw_tc = i; + } + } + + if (num_ets_zero_bw) + bw_for_ets_zero_bw_tc = MLX5E_MAX_BW_ALLOC / num_ets_zero_bw; + + for (i = 0; i <= max_tc; i++) { switch (ets->tc_tsa[i]) { case IEEE_8021QAZ_TSA_VENDOR: tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC; @@ -157,12 +208,26 @@ static void mlx5e_build_tc_tx_bw(struct ieee_ets *ets, u8 *tc_tx_bw, tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC; break; case IEEE_8021QAZ_TSA_ETS: - tc_tx_bw[i] = ets->tc_tx_bw[i]; + tc_tx_bw[i] = ets->tc_tx_bw[i] ? + ets->tc_tx_bw[i] : + bw_for_ets_zero_bw_tc; break; } } + + /* Make sure the total bw for ets zero bw group is 100% */ + if (last_ets_zero_bw_tc != -1) + tc_tx_bw[last_ets_zero_bw_tc] += + MLX5E_MAX_BW_ALLOC % num_ets_zero_bw; } +/* If there are ETS BW 0, + * Set ETS group # to 1 for all ETS non zero BW tcs. Their sum must be 100%. + * Set group #0 to all the ETS BW 0 tcs and + * equally splits the 100% BW between them + * Report both group #0 and #1 as ETS type. + * All the tcs in group #0 will be reported with 0% BW. + */ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets) { struct mlx5_core_dev *mdev = priv->mdev; @@ -188,7 +253,6 @@ int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets) return err; memcpy(priv->dcbx.tc_tsa, ets->tc_tsa, sizeof(ets->tc_tsa)); - return err; } @@ -209,17 +273,9 @@ static int mlx5e_dbcnl_validate_ets(struct net_device *netdev, } /* Validate Bandwidth Sum */ - for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { - if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) { - if (!ets->tc_tx_bw[i]) { - netdev_err(netdev, - "Failed to validate ETS: BW 0 is illegal\n"); - return -EINVAL; - } - + for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) + if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) bw_sum += ets->tc_tx_bw[i]; - } - } if (bw_sum != 0 && bw_sum != 100) { netdev_err(netdev, @@ -533,8 +589,7 @@ static void mlx5e_dcbnl_getpgtccfgtx(struct net_device *netdev, static void mlx5e_dcbnl_getpgbwgcfgtx(struct net_device *netdev, int pgid, u8 *bw_pct) { - struct mlx5e_priv *priv = netdev_priv(netdev); - struct mlx5_core_dev *mdev = priv->mdev; + struct ieee_ets ets; if (pgid >= CEE_DCBX_MAX_PGS) { netdev_err(netdev, @@ -542,8 +597,8 @@ static void mlx5e_dcbnl_getpgbwgcfgtx(struct net_device *netdev, return; } - if (mlx5_query_port_tc_bw_alloc(mdev, pgid, bw_pct)) - *bw_pct = 0; + mlx5e_dcbnl_ieee_getets(netdev, &ets); + *bw_pct = ets.tc_tx_bw[pgid]; } static void mlx5e_dcbnl_setpfccfg(struct net_device *netdev, @@ -739,8 +794,6 @@ static void mlx5e_ets_init(struct mlx5e_priv *priv) ets.prio_tc[i] = i; } - memcpy(priv->dcbx.tc_tsa, ets.tc_tsa, sizeof(ets.tc_tsa)); - /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */ ets.prio_tc[0] = 1; ets.prio_tc[1] = 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index 850cdc980ab5..4837045ffba3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -365,21 +365,24 @@ static void mlx5e_execute_l2_action(struct mlx5e_priv *priv, struct mlx5e_l2_hash_node *hn) { u8 action = hn->action; + u8 mac_addr[ETH_ALEN]; int l2_err = 0; + ether_addr_copy(mac_addr, hn->ai.addr); + switch (action) { case MLX5E_ACTION_ADD: mlx5e_add_l2_flow_rule(priv, &hn->ai, MLX5E_FULLMATCH); - if (!is_multicast_ether_addr(hn->ai.addr)) { - l2_err = mlx5_mpfs_add_mac(priv->mdev, hn->ai.addr); + if (!is_multicast_ether_addr(mac_addr)) { + l2_err = mlx5_mpfs_add_mac(priv->mdev, mac_addr); hn->mpfs = !l2_err; } hn->action = MLX5E_ACTION_NONE; break; case MLX5E_ACTION_DEL: - if (!is_multicast_ether_addr(hn->ai.addr) && hn->mpfs) - l2_err = mlx5_mpfs_del_mac(priv->mdev, hn->ai.addr); + if (!is_multicast_ether_addr(mac_addr) && hn->mpfs) + l2_err = mlx5_mpfs_del_mac(priv->mdev, mac_addr); mlx5e_del_l2_flow_rule(priv, &hn->ai); mlx5e_del_l2_from_hash(hn); break; @@ -387,7 +390,7 @@ static void mlx5e_execute_l2_action(struct mlx5e_priv *priv, if (l2_err) netdev_warn(priv->netdev, "MPFS, failed to %s mac %pM, err(%d)\n", - action == MLX5E_ACTION_ADD ? "add" : "del", hn->ai.addr, l2_err); + action == MLX5E_ACTION_ADD ? "add" : "del", mac_addr, l2_err); } static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 15a1687483cc..91b1b0938931 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -215,22 +215,20 @@ static inline bool mlx5e_rx_cache_get(struct mlx5e_rq *rq, static inline int mlx5e_page_alloc_mapped(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info) { - struct page *page; - if (mlx5e_rx_cache_get(rq, dma_info)) return 0; - page = dev_alloc_pages(rq->buff.page_order); - if (unlikely(!page)) + dma_info->page = dev_alloc_pages(rq->buff.page_order); + if (unlikely(!dma_info->page)) return -ENOMEM; - dma_info->addr = dma_map_page(rq->pdev, page, 0, + dma_info->addr = dma_map_page(rq->pdev, dma_info->page, 0, RQ_PAGE_SIZE(rq), rq->buff.map_dir); if (unlikely(dma_mapping_error(rq->pdev, dma_info->addr))) { - put_page(page); + put_page(dma_info->page); + dma_info->page = NULL; return -ENOMEM; } - dma_info->page = page; return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 1aa2028ed995..9ba1f72060aa 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -78,9 +78,11 @@ struct mlx5e_tc_flow { }; struct mlx5e_tc_flow_parse_attr { + struct ip_tunnel_info tun_info; struct mlx5_flow_spec spec; int num_mod_hdr_actions; void *mod_hdr_actions; + int mirred_ifindex; }; enum { @@ -322,6 +324,12 @@ static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, static void mlx5e_detach_encap(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow); +static int mlx5e_attach_encap(struct mlx5e_priv *priv, + struct ip_tunnel_info *tun_info, + struct net_device *mirred_dev, + struct net_device **encap_dev, + struct mlx5e_tc_flow *flow); + static struct mlx5_flow_handle * mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, struct mlx5e_tc_flow_parse_attr *parse_attr, @@ -329,9 +337,27 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct mlx5_esw_flow_attr *attr = flow->esw_attr; - struct mlx5_flow_handle *rule; + struct net_device *out_dev, *encap_dev = NULL; + struct mlx5_flow_handle *rule = NULL; + struct mlx5e_rep_priv *rpriv; + struct mlx5e_priv *out_priv; int err; + if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) { + out_dev = __dev_get_by_index(dev_net(priv->netdev), + attr->parse_attr->mirred_ifindex); + err = mlx5e_attach_encap(priv, &parse_attr->tun_info, + out_dev, &encap_dev, flow); + if (err) { + rule = ERR_PTR(err); + if (err != -EAGAIN) + goto err_attach_encap; + } + out_priv = netdev_priv(encap_dev); + rpriv = out_priv->ppriv; + attr->out_rep = rpriv->rep; + } + err = mlx5_eswitch_add_vlan_action(esw, attr); if (err) { rule = ERR_PTR(err); @@ -347,10 +373,14 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, } } - rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); - if (IS_ERR(rule)) - goto err_add_rule; - + /* we get here if (1) there's no error (rule being null) or when + * (2) there's an encap action and we're on -EAGAIN (no valid neigh) + */ + if (rule != ERR_PTR(-EAGAIN)) { + rule = mlx5_eswitch_add_offloaded_rule(esw, &parse_attr->spec, attr); + if (IS_ERR(rule)) + goto err_add_rule; + } return rule; err_add_rule: @@ -361,6 +391,7 @@ err_mod_hdr: err_add_vlan: if (attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) mlx5e_detach_encap(priv, flow); +err_attach_encap: return rule; } @@ -389,6 +420,8 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) { + struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + struct mlx5_esw_flow_attr *esw_attr; struct mlx5e_tc_flow *flow; int err; @@ -404,10 +437,9 @@ void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, mlx5e_rep_queue_neigh_stats_work(priv); list_for_each_entry(flow, &e->flows, encap) { - flow->esw_attr->encap_id = e->encap_id; - flow->rule = mlx5e_tc_add_fdb_flow(priv, - flow->esw_attr->parse_attr, - flow); + esw_attr = flow->esw_attr; + esw_attr->encap_id = e->encap_id; + flow->rule = mlx5_eswitch_add_offloaded_rule(esw, &esw_attr->parse_attr->spec, esw_attr); if (IS_ERR(flow->rule)) { err = PTR_ERR(flow->rule); mlx5_core_warn(priv->mdev, "Failed to update cached encapsulation flow, %d\n", @@ -421,15 +453,13 @@ void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv, void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv, struct mlx5e_encap_entry *e) { + struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct mlx5e_tc_flow *flow; - struct mlx5_fc *counter; list_for_each_entry(flow, &e->flows, encap) { if (flow->flags & MLX5E_TC_FLOW_OFFLOADED) { flow->flags &= ~MLX5E_TC_FLOW_OFFLOADED; - counter = mlx5_flow_rule_counter(flow->rule); - mlx5_del_flow_rules(flow->rule); - mlx5_fc_destroy(priv->mdev, counter); + mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->esw_attr); } } @@ -1942,7 +1972,7 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, if (is_tcf_mirred_egress_redirect(a)) { int ifindex = tcf_mirred_ifindex(a); - struct net_device *out_dev, *encap_dev = NULL; + struct net_device *out_dev; struct mlx5e_priv *out_priv; out_dev = __dev_get_by_index(dev_net(priv->netdev), ifindex); @@ -1955,17 +1985,13 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, rpriv = out_priv->ppriv; attr->out_rep = rpriv->rep; } else if (encap) { - err = mlx5e_attach_encap(priv, info, - out_dev, &encap_dev, flow); - if (err && err != -EAGAIN) - return err; + parse_attr->mirred_ifindex = ifindex; + parse_attr->tun_info = *info; + attr->parse_attr = parse_attr; attr->action |= MLX5_FLOW_CONTEXT_ACTION_ENCAP | MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_COUNT; - out_priv = netdev_priv(encap_dev); - rpriv = out_priv->ppriv; - attr->out_rep = rpriv->rep; - attr->parse_attr = parse_attr; + /* attr->out_rep is resolved when we handle encap */ } else { pr_err("devices %s %s not on same switch HW, can't offload forwarding\n", priv->netdev->name, out_dev->name); @@ -2047,7 +2073,7 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { err = parse_tc_fdb_actions(priv, f->exts, parse_attr, flow); if (err < 0) - goto err_handle_encap_flow; + goto err_free; flow->rule = mlx5e_tc_add_fdb_flow(priv, parse_attr, flow); } else { err = parse_tc_nic_actions(priv, f->exts, parse_attr, flow); @@ -2058,10 +2084,13 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, if (IS_ERR(flow->rule)) { err = PTR_ERR(flow->rule); - goto err_free; + if (err != -EAGAIN) + goto err_free; } - flow->flags |= MLX5E_TC_FLOW_OFFLOADED; + if (err != -EAGAIN) + flow->flags |= MLX5E_TC_FLOW_OFFLOADED; + err = rhashtable_insert_fast(&tc->ht, &flow->node, tc->ht_params); if (err) @@ -2075,16 +2104,6 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, err_del_rule: mlx5e_tc_del_flow(priv, flow); -err_handle_encap_flow: - if (err == -EAGAIN) { - err = rhashtable_insert_fast(&tc->ht, &flow->node, - tc->ht_params); - if (err) - mlx5e_tc_del_flow(priv, flow); - else - return 0; - } - err_free: kvfree(parse_attr); kfree(flow); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c index e906b754415c..ab92298eafc3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -49,7 +49,7 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) struct mlx5e_channel *c = container_of(napi, struct mlx5e_channel, napi); bool busy = false; - int work_done; + int work_done = 0; int i; for (i = 0; i < c->num_tc; i++) @@ -58,15 +58,17 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) if (c->xdp) busy |= mlx5e_poll_xdpsq_cq(&c->rq.xdpsq.cq); - work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget); - busy |= work_done == budget; + if (likely(budget)) { /* budget=0 means: don't poll rx rings */ + work_done = mlx5e_poll_rx_cq(&c->rq.cq, budget); + busy |= work_done == budget; + } busy |= c->rq.post_wqes(&c->rq); if (busy) { if (likely(mlx5e_channel_no_affinity_change(c))) return budget; - if (work_done == budget) + if (budget && work_done == budget) work_done--; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 8aea0a065e56..db86e1506c8b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -356,10 +356,11 @@ void mlx5_drain_health_wq(struct mlx5_core_dev *dev) void mlx5_drain_health_recovery(struct mlx5_core_dev *dev) { struct mlx5_core_health *health = &dev->priv.health; + unsigned long flags; - spin_lock(&health->wq_lock); + spin_lock_irqsave(&health->wq_lock, flags); set_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags); - spin_unlock(&health->wq_lock); + spin_unlock_irqrestore(&health->wq_lock, flags); cancel_delayed_work_sync(&dev->priv.health.recover_work); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 0d2c8dcd6eae..06562c9a6b9c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1482,9 +1482,16 @@ static int mlx5_try_fast_unload(struct mlx5_core_dev *dev) return -EAGAIN; } + /* Panic tear down fw command will stop the PCI bus communication + * with the HCA, so the health polll is no longer needed. + */ + mlx5_drain_health_wq(dev); + mlx5_stop_health_poll(dev); + ret = mlx5_cmd_force_teardown_hca(dev); if (ret) { mlx5_core_dbg(dev, "Firmware couldn't do fast unload error: %d\n", ret); + mlx5_start_health_poll(dev); return ret; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c index 1975d4388d4f..e07061f565d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c @@ -677,6 +677,27 @@ int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group) } EXPORT_SYMBOL_GPL(mlx5_set_port_tc_group); +int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev, + u8 tc, u8 *tc_group) +{ + u32 out[MLX5_ST_SZ_DW(qetc_reg)]; + void *ets_tcn_conf; + int err; + + err = mlx5_query_port_qetcr_reg(mdev, out, sizeof(out)); + if (err) + return err; + + ets_tcn_conf = MLX5_ADDR_OF(qetc_reg, out, + tc_configuration[tc]); + + *tc_group = MLX5_GET(ets_tcn_config_reg, ets_tcn_conf, + group); + + return 0; +} +EXPORT_SYMBOL_GPL(mlx5_query_port_tc_group); + int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw) { u32 in[MLX5_ST_SZ_DW(qetc_reg)] = {0}; diff --git a/drivers/net/ethernet/mellanox/mlxsw/Makefile b/drivers/net/ethernet/mellanox/mlxsw/Makefile index 891ff418bb5e..9a5a1cc877b6 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/Makefile +++ b/drivers/net/ethernet/mellanox/mlxsw/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MLXSW_CORE) += mlxsw_core.o mlxsw_core-objs := core.o core_acl_flex_keys.o \ core_acl_flex_actions.o diff --git a/drivers/net/ethernet/mellanox/mlxsw/i2c.c b/drivers/net/ethernet/mellanox/mlxsw/i2c.c index 12c3a4449120..c0dcfa05b077 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/i2c.c +++ b/drivers/net/ethernet/mellanox/mlxsw/i2c.c @@ -294,7 +294,7 @@ mlxsw_i2c_write(struct device *dev, size_t in_mbox_size, u8 *in_mbox, int num, write_tran.len = MLXSW_I2C_ADDR_WIDTH + chunk_size; mlxsw_i2c_set_slave_addr(tran_buf, off); memcpy(&tran_buf[MLXSW_I2C_ADDR_BUF_SIZE], in_mbox + - chunk_size * i, chunk_size); + MLXSW_I2C_BLK_MAX * i, chunk_size); j = 0; end = jiffies + timeout; diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 4afc8486eb9a..5acfbe5b8b9d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -5827,6 +5827,29 @@ MLXSW_ITEM32(reg, mtmp, mtr, 0x08, 30, 1); */ MLXSW_ITEM32(reg, mtmp, max_temperature, 0x08, 0, 16); +/* reg_mtmp_tee + * Temperature Event Enable. + * 0 - Do not generate event + * 1 - Generate event + * 2 - Generate single event + * Access: RW + */ +MLXSW_ITEM32(reg, mtmp, tee, 0x0C, 30, 2); + +#define MLXSW_REG_MTMP_THRESH_HI 0x348 /* 105 Celsius */ + +/* reg_mtmp_temperature_threshold_hi + * High threshold for Temperature Warning Event. In 0.125 Celsius. + * Access: RW + */ +MLXSW_ITEM32(reg, mtmp, temperature_threshold_hi, 0x0C, 0, 16); + +/* reg_mtmp_temperature_threshold_lo + * Low threshold for Temperature Warning Event. In 0.125 Celsius. + * Access: RW + */ +MLXSW_ITEM32(reg, mtmp, temperature_threshold_lo, 0x10, 0, 16); + #define MLXSW_REG_MTMP_SENSOR_NAME_SIZE 8 /* reg_mtmp_sensor_name @@ -5843,6 +5866,8 @@ static inline void mlxsw_reg_mtmp_pack(char *payload, u8 sensor_index, mlxsw_reg_mtmp_sensor_index_set(payload, sensor_index); mlxsw_reg_mtmp_mte_set(payload, max_temp_enable); mlxsw_reg_mtmp_mtr_set(payload, max_temp_reset); + mlxsw_reg_mtmp_temperature_threshold_hi_set(payload, + MLXSW_REG_MTMP_THRESH_HI); } static inline void mlxsw_reg_mtmp_unpack(char *payload, unsigned int *p_temp, diff --git a/drivers/net/ethernet/micrel/Makefile b/drivers/net/ethernet/micrel/Makefile index c83e4bc50c73..848fc1c5a5dc 100644 --- a/drivers/net/ethernet/micrel/Makefile +++ b/drivers/net/ethernet/micrel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Micrel network device drivers. # diff --git a/drivers/net/ethernet/micrel/ks8695net.h b/drivers/net/ethernet/micrel/ks8695net.h index 80eff6ea5163..b18fad4ad5fd 100644 --- a/drivers/net/ethernet/micrel/ks8695net.h +++ b/drivers/net/ethernet/micrel/ks8695net.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Micrel KS8695 (Centaur) Ethernet. * diff --git a/drivers/net/ethernet/microchip/enc28j60_hw.h b/drivers/net/ethernet/microchip/enc28j60_hw.h index 25b41de49f0e..da4ab172527d 100644 --- a/drivers/net/ethernet/microchip/enc28j60_hw.h +++ b/drivers/net/ethernet/microchip/enc28j60_hw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * enc28j60_hw.h: EDTP FrameThrower style enc28j60 registers * diff --git a/drivers/net/ethernet/microchip/encx24j600_hw.h b/drivers/net/ethernet/microchip/encx24j600_hw.h index 4be73d5553f8..f604a260ede7 100644 --- a/drivers/net/ethernet/microchip/encx24j600_hw.h +++ b/drivers/net/ethernet/microchip/encx24j600_hw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /** * encx24j600_hw.h: Register definitions * diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h index b7fc26c4f738..cf73810608a2 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MYRI10GE_MCP_H__ #define __MYRI10GE_MCP_H__ diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h index 75ec5e7cf50d..95a0095a4a75 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge_mcp_gen_header.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MYRI10GE_MCP_GEN_HEADER_H__ #define __MYRI10GE_MCP_GEN_HEADER_H__ diff --git a/drivers/net/ethernet/natsemi/Makefile b/drivers/net/ethernet/natsemi/Makefile index 764c532a96d1..cc664977596e 100644 --- a/drivers/net/ethernet/natsemi/Makefile +++ b/drivers/net/ethernet/natsemi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the National Semi-conductor Sonic devices. # diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c index a6caeb567c0d..d5b28884e21e 100644 --- a/drivers/net/ethernet/natsemi/jazzsonic.c +++ b/drivers/net/ethernet/natsemi/jazzsonic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * jazzsonic.c * diff --git a/drivers/net/ethernet/natsemi/macsonic.c b/drivers/net/ethernet/natsemi/macsonic.c index 3ca6ae7caf55..a42433fb6949 100644 --- a/drivers/net/ethernet/natsemi/macsonic.c +++ b/drivers/net/ethernet/natsemi/macsonic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * macsonic.c * diff --git a/drivers/net/ethernet/natsemi/sonic.h b/drivers/net/ethernet/natsemi/sonic.h index 7b0a8db57af9..421b1a283fed 100644 --- a/drivers/net/ethernet/natsemi/sonic.h +++ b/drivers/net/ethernet/natsemi/sonic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Header file for sonic.c * diff --git a/drivers/net/ethernet/natsemi/xtsonic.c b/drivers/net/ethernet/natsemi/xtsonic.c index 9ee0f69a83c0..1817deea98a4 100644 --- a/drivers/net/ethernet/natsemi/xtsonic.c +++ b/drivers/net/ethernet/natsemi/xtsonic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * xtsonic.c * diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 50ea69d88480..5dd5f61e1114 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -2629,7 +2629,7 @@ static void vxge_poll_vp_lockup(unsigned long data) ring = &vdev->vpaths[i].ring; /* Truncated to machine word size number of frames */ - rx_frms = ACCESS_ONCE(ring->stats.rx_frms); + rx_frms = READ_ONCE(ring->stats.rx_frms); /* Did this vpath received any packets */ if (ring->stats.prev_rx_frms == rx_frms) { diff --git a/drivers/net/ethernet/netronome/nfp/Makefile b/drivers/net/ethernet/netronome/nfp/Makefile index 96e579a15cbe..3cafa3d15082 100644 --- a/drivers/net/ethernet/netronome/nfp/Makefile +++ b/drivers/net/ethernet/netronome/nfp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NFP) += nfp.o nfp-objs := \ diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index db9750695dc7..8ea9320014ee 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -110,6 +110,8 @@ nfp_fl_output(struct nfp_fl_output *output, const struct tc_action *action, */ if (!switchdev_port_same_parent_id(in_dev, out_dev)) return -EOPNOTSUPP; + if (!nfp_netdev_is_nfp_repr(out_dev)) + return -EOPNOTSUPP; output->port = cpu_to_be32(nfp_repr_get_port_id(out_dev)); if (!output->port) diff --git a/drivers/net/ethernet/qlogic/Makefile b/drivers/net/ethernet/qlogic/Makefile index cee90e05beb8..6cd2e333a5fc 100644 --- a/drivers/net/ethernet/qlogic/Makefile +++ b/drivers/net/ethernet/qlogic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the QLogic network device drivers. # diff --git a/drivers/net/ethernet/qlogic/qed/Makefile b/drivers/net/ethernet/qlogic/qed/Makefile index 82dd47068e18..82a0b90185df 100644 --- a/drivers/net/ethernet/qlogic/qed/Makefile +++ b/drivers/net/ethernet/qlogic/qed/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_QED) := qed.o qed-y := qed_cxt.o qed_dev.o qed_hw.o qed_init_fw_funcs.o qed_init_ops.o \ diff --git a/drivers/net/ethernet/qlogic/qed/qed_selftest.h b/drivers/net/ethernet/qlogic/qed/qed_selftest.h index 739ddb730967..ad00d082fec8 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_selftest.h +++ b/drivers/net/ethernet/qlogic/qed/qed_selftest.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _QED_SELFTEST_API_H #define _QED_SELFTEST_API_H #include <linux/types.h> diff --git a/drivers/net/ethernet/qlogic/qlcnic/Makefile b/drivers/net/ethernet/qlogic/qlcnic/Makefile index 3c2c2c7c1559..dbaeab344667 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/Makefile +++ b/drivers/net/ethernet/qlogic/qlcnic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Qlogic 1G/10G Ethernet Driver for CNA devices # diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c index fe2599b83d09..31389ab8bdf7 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/slab.h> diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c index 31f40148fa5c..5edbd532127d 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/types.h> #include <linux/module.h> diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 9feec7009443..29fea74bff2e 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -4725,9 +4725,9 @@ static const struct net_device_ops qlge_netdev_ops = { .ndo_vlan_rx_kill_vid = qlge_vlan_rx_kill_vid, }; -static void ql_timer(unsigned long data) +static void ql_timer(struct timer_list *t) { - struct ql_adapter *qdev = (struct ql_adapter *)data; + struct ql_adapter *qdev = from_timer(qdev, t, timer); u32 var = 0; var = ql_read32(qdev, STS); @@ -4806,11 +4806,8 @@ static int qlge_probe(struct pci_dev *pdev, /* Start up the timer to trigger EEH if * the bus goes dead */ - init_timer_deferrable(&qdev->timer); - qdev->timer.data = (unsigned long)qdev; - qdev->timer.function = ql_timer; - qdev->timer.expires = jiffies + (5*HZ); - add_timer(&qdev->timer); + timer_setup(&qdev->timer, ql_timer, TIMER_DEFERRABLE); + mod_timer(&qdev->timer, jiffies + (5*HZ)); ql_link_off(qdev); ql_display_dev_info(ndev); atomic_set(&qdev->lb_count, 0); diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c index 7ad146080c36..384c8bc874f3 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "qlge.h" int ql_unpause_mpi_risc(struct ql_adapter *qdev) diff --git a/drivers/net/ethernet/qualcomm/Makefile b/drivers/net/ethernet/qualcomm/Makefile index 1847350f48a7..9250976dd884 100644 --- a/drivers/net/ethernet/qualcomm/Makefile +++ b/drivers/net/ethernet/qualcomm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Qualcomm network device drivers. # diff --git a/drivers/net/ethernet/realtek/atp.h b/drivers/net/ethernet/realtek/atp.h index 32497f0e537c..63f0d2d0e87b 100644 --- a/drivers/net/ethernet/realtek/atp.h +++ b/drivers/net/ethernet/realtek/atp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Linux header file for the ATP pocket ethernet adapter. */ /* v1.09 8/9/2000 becker@scyld.com. */ diff --git a/drivers/net/ethernet/seeq/sgiseeq.h b/drivers/net/ethernet/seeq/sgiseeq.h index 2211e2987a8d..2f65c55608df 100644 --- a/drivers/net/ethernet/seeq/sgiseeq.h +++ b/drivers/net/ethernet/seeq/sgiseeq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * sgiseeq.h: Defines for the Seeq8003 ethernet controller. * diff --git a/drivers/net/ethernet/sfc/Makefile b/drivers/net/ethernet/sfc/Makefile index 520cfcc17785..3bac58d0f88b 100644 --- a/drivers/net/ethernet/sfc/Makefile +++ b/drivers/net/ethernet/sfc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 sfc-y += efx.o nic.o farch.o siena.o ef10.o tx.o rx.o \ selftest.o ethtool.o ptp.o tx_tso.o \ mcdi.o mcdi_port.o mcdi_mon.o diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 13f72f5b18d2..a95a46bcd339 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -2073,7 +2073,7 @@ static irqreturn_t efx_ef10_msi_interrupt(int irq, void *dev_id) netif_vdbg(efx, intr, efx->net_dev, "IRQ %d on CPU %d\n", irq, raw_smp_processor_id()); - if (likely(ACCESS_ONCE(efx->irq_soft_enabled))) { + if (likely(READ_ONCE(efx->irq_soft_enabled))) { /* Note test interrupts */ if (context->index == efx->irq_level) efx->last_irq_cpu = raw_smp_processor_id(); @@ -2088,7 +2088,7 @@ static irqreturn_t efx_ef10_msi_interrupt(int irq, void *dev_id) static irqreturn_t efx_ef10_legacy_interrupt(int irq, void *dev_id) { struct efx_nic *efx = dev_id; - bool soft_enabled = ACCESS_ONCE(efx->irq_soft_enabled); + bool soft_enabled = READ_ONCE(efx->irq_soft_enabled); struct efx_channel *channel; efx_dword_t reg; u32 queues; @@ -3291,7 +3291,7 @@ static int efx_ef10_handle_rx_event(struct efx_channel *channel, bool rx_cont; u16 flags = 0; - if (unlikely(ACCESS_ONCE(efx->reset_pending))) + if (unlikely(READ_ONCE(efx->reset_pending))) return 0; /* Basic packet information */ @@ -3428,7 +3428,7 @@ efx_ef10_handle_tx_event(struct efx_channel *channel, efx_qword_t *event) unsigned int tx_ev_q_label; int tx_descs = 0; - if (unlikely(ACCESS_ONCE(efx->reset_pending))) + if (unlikely(READ_ONCE(efx->reset_pending))) return 0; if (unlikely(EFX_QWORD_FIELD(*event, ESF_DZ_TX_DROP_EVENT))) @@ -5316,7 +5316,7 @@ static void efx_ef10_filter_remove_old(struct efx_nic *efx) int i; for (i = 0; i < HUNT_FILTER_TBL_ROWS; i++) { - if (ACCESS_ONCE(table->entry[i].spec) & + if (READ_ONCE(table->entry[i].spec) & EFX_EF10_FILTER_FLAG_AUTO_OLD) { rc = efx_ef10_filter_remove_internal(efx, 1U << EFX_FILTER_PRI_AUTO, i, true); diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index b9cb697b2818..016616a63880 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -2809,7 +2809,7 @@ static void efx_reset_work(struct work_struct *data) unsigned long pending; enum reset_type method; - pending = ACCESS_ONCE(efx->reset_pending); + pending = READ_ONCE(efx->reset_pending); method = fls(pending) - 1; if (method == RESET_TYPE_MC_BIST) @@ -2874,7 +2874,7 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type) /* If we're not READY then just leave the flags set as the cue * to abort probing or reschedule the reset later. */ - if (ACCESS_ONCE(efx->state) != STATE_READY) + if (READ_ONCE(efx->state) != STATE_READY) return; /* efx_process_channel() will no longer read events once a diff --git a/drivers/net/ethernet/sfc/falcon/Makefile b/drivers/net/ethernet/sfc/falcon/Makefile index aa1b45979ca4..39448e5b7f1e 100644 --- a/drivers/net/ethernet/sfc/falcon/Makefile +++ b/drivers/net/ethernet/sfc/falcon/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 sfc-falcon-y += efx.o nic.o farch.o falcon.o tx.o rx.o selftest.o \ ethtool.o qt202x_phy.o mdio_10g.o tenxpress.o \ txc43128_phy.o falcon_boards.o diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c index 29614da91cbf..7263275fde4a 100644 --- a/drivers/net/ethernet/sfc/falcon/efx.c +++ b/drivers/net/ethernet/sfc/falcon/efx.c @@ -2545,7 +2545,7 @@ static void ef4_reset_work(struct work_struct *data) unsigned long pending; enum reset_type method; - pending = ACCESS_ONCE(efx->reset_pending); + pending = READ_ONCE(efx->reset_pending); method = fls(pending) - 1; if ((method == RESET_TYPE_RECOVER_OR_DISABLE || @@ -2605,7 +2605,7 @@ void ef4_schedule_reset(struct ef4_nic *efx, enum reset_type type) /* If we're not READY then just leave the flags set as the cue * to abort probing or reschedule the reset later. */ - if (ACCESS_ONCE(efx->state) != STATE_READY) + if (READ_ONCE(efx->state) != STATE_READY) return; queue_work(reset_workqueue, &efx->reset_work); diff --git a/drivers/net/ethernet/sfc/falcon/falcon.c b/drivers/net/ethernet/sfc/falcon/falcon.c index 93c713c1f627..cd8bb472d758 100644 --- a/drivers/net/ethernet/sfc/falcon/falcon.c +++ b/drivers/net/ethernet/sfc/falcon/falcon.c @@ -452,7 +452,7 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id) "IRQ %d on CPU %d status " EF4_OWORD_FMT "\n", irq, raw_smp_processor_id(), EF4_OWORD_VAL(*int_ker)); - if (!likely(ACCESS_ONCE(efx->irq_soft_enabled))) + if (!likely(READ_ONCE(efx->irq_soft_enabled))) return IRQ_HANDLED; /* Check to see if we have a serious error condition */ @@ -1372,7 +1372,7 @@ static void falcon_reconfigure_mac_wrapper(struct ef4_nic *efx) ef4_oword_t reg; int link_speed, isolate; - isolate = !!ACCESS_ONCE(efx->reset_pending); + isolate = !!READ_ONCE(efx->reset_pending); switch (link_state->speed) { case 10000: link_speed = 3; break; diff --git a/drivers/net/ethernet/sfc/falcon/farch.c b/drivers/net/ethernet/sfc/falcon/farch.c index 05916c710d8c..494884f6af4a 100644 --- a/drivers/net/ethernet/sfc/falcon/farch.c +++ b/drivers/net/ethernet/sfc/falcon/farch.c @@ -834,7 +834,7 @@ ef4_farch_handle_tx_event(struct ef4_channel *channel, ef4_qword_t *event) struct ef4_nic *efx = channel->efx; int tx_packets = 0; - if (unlikely(ACCESS_ONCE(efx->reset_pending))) + if (unlikely(READ_ONCE(efx->reset_pending))) return 0; if (likely(EF4_QWORD_FIELD(*event, FSF_AZ_TX_EV_COMP))) { @@ -990,7 +990,7 @@ ef4_farch_handle_rx_event(struct ef4_channel *channel, const ef4_qword_t *event) struct ef4_rx_queue *rx_queue; struct ef4_nic *efx = channel->efx; - if (unlikely(ACCESS_ONCE(efx->reset_pending))) + if (unlikely(READ_ONCE(efx->reset_pending))) return; rx_ev_cont = EF4_QWORD_FIELD(*event, FSF_AZ_RX_EV_JUMBO_CONT); @@ -1504,7 +1504,7 @@ irqreturn_t ef4_farch_fatal_interrupt(struct ef4_nic *efx) irqreturn_t ef4_farch_legacy_interrupt(int irq, void *dev_id) { struct ef4_nic *efx = dev_id; - bool soft_enabled = ACCESS_ONCE(efx->irq_soft_enabled); + bool soft_enabled = READ_ONCE(efx->irq_soft_enabled); ef4_oword_t *int_ker = efx->irq_status.addr; irqreturn_t result = IRQ_NONE; struct ef4_channel *channel; @@ -1596,7 +1596,7 @@ irqreturn_t ef4_farch_msi_interrupt(int irq, void *dev_id) "IRQ %d on CPU %d status " EF4_OWORD_FMT "\n", irq, raw_smp_processor_id(), EF4_OWORD_VAL(*int_ker)); - if (!likely(ACCESS_ONCE(efx->irq_soft_enabled))) + if (!likely(READ_ONCE(efx->irq_soft_enabled))) return IRQ_HANDLED; /* Handle non-event-queue sources */ diff --git a/drivers/net/ethernet/sfc/falcon/nic.h b/drivers/net/ethernet/sfc/falcon/nic.h index a4c4592f6023..54ca457cdb15 100644 --- a/drivers/net/ethernet/sfc/falcon/nic.h +++ b/drivers/net/ethernet/sfc/falcon/nic.h @@ -83,7 +83,7 @@ static inline struct ef4_tx_queue *ef4_tx_queue_partner(struct ef4_tx_queue *tx_ static inline bool __ef4_nic_tx_is_empty(struct ef4_tx_queue *tx_queue, unsigned int write_count) { - unsigned int empty_read_count = ACCESS_ONCE(tx_queue->empty_read_count); + unsigned int empty_read_count = READ_ONCE(tx_queue->empty_read_count); if (empty_read_count == 0) return false; @@ -464,11 +464,11 @@ irqreturn_t ef4_farch_fatal_interrupt(struct ef4_nic *efx); static inline int ef4_nic_event_test_irq_cpu(struct ef4_channel *channel) { - return ACCESS_ONCE(channel->event_test_cpu); + return READ_ONCE(channel->event_test_cpu); } static inline int ef4_nic_irq_test_irq_cpu(struct ef4_nic *efx) { - return ACCESS_ONCE(efx->last_irq_cpu); + return READ_ONCE(efx->last_irq_cpu); } /* Global Resources */ diff --git a/drivers/net/ethernet/sfc/falcon/tx.c b/drivers/net/ethernet/sfc/falcon/tx.c index 6a75f4140a4b..6486814e97dc 100644 --- a/drivers/net/ethernet/sfc/falcon/tx.c +++ b/drivers/net/ethernet/sfc/falcon/tx.c @@ -134,8 +134,8 @@ static void ef4_tx_maybe_stop_queue(struct ef4_tx_queue *txq1) */ netif_tx_stop_queue(txq1->core_txq); smp_mb(); - txq1->old_read_count = ACCESS_ONCE(txq1->read_count); - txq2->old_read_count = ACCESS_ONCE(txq2->read_count); + txq1->old_read_count = READ_ONCE(txq1->read_count); + txq2->old_read_count = READ_ONCE(txq2->read_count); fill_level = max(txq1->insert_count - txq1->old_read_count, txq2->insert_count - txq2->old_read_count); @@ -524,7 +524,7 @@ void ef4_xmit_done(struct ef4_tx_queue *tx_queue, unsigned int index) /* Check whether the hardware queue is now empty */ if ((int)(tx_queue->read_count - tx_queue->old_write_count) >= 0) { - tx_queue->old_write_count = ACCESS_ONCE(tx_queue->write_count); + tx_queue->old_write_count = READ_ONCE(tx_queue->write_count); if (tx_queue->read_count == tx_queue->old_write_count) { smp_mb(); tx_queue->empty_read_count = diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index ba45150f53c7..86454d25a405 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -827,7 +827,7 @@ efx_farch_handle_tx_event(struct efx_channel *channel, efx_qword_t *event) struct efx_nic *efx = channel->efx; int tx_packets = 0; - if (unlikely(ACCESS_ONCE(efx->reset_pending))) + if (unlikely(READ_ONCE(efx->reset_pending))) return 0; if (likely(EFX_QWORD_FIELD(*event, FSF_AZ_TX_EV_COMP))) { @@ -979,7 +979,7 @@ efx_farch_handle_rx_event(struct efx_channel *channel, const efx_qword_t *event) struct efx_rx_queue *rx_queue; struct efx_nic *efx = channel->efx; - if (unlikely(ACCESS_ONCE(efx->reset_pending))) + if (unlikely(READ_ONCE(efx->reset_pending))) return; rx_ev_cont = EFX_QWORD_FIELD(*event, FSF_AZ_RX_EV_JUMBO_CONT); @@ -1520,7 +1520,7 @@ irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx) irqreturn_t efx_farch_legacy_interrupt(int irq, void *dev_id) { struct efx_nic *efx = dev_id; - bool soft_enabled = ACCESS_ONCE(efx->irq_soft_enabled); + bool soft_enabled = READ_ONCE(efx->irq_soft_enabled); efx_oword_t *int_ker = efx->irq_status.addr; irqreturn_t result = IRQ_NONE; struct efx_channel *channel; @@ -1612,7 +1612,7 @@ irqreturn_t efx_farch_msi_interrupt(int irq, void *dev_id) "IRQ %d on CPU %d status " EFX_OWORD_FMT "\n", irq, raw_smp_processor_id(), EFX_OWORD_VAL(*int_ker)); - if (!likely(ACCESS_ONCE(efx->irq_soft_enabled))) + if (!likely(READ_ONCE(efx->irq_soft_enabled))) return IRQ_HANDLED; /* Handle non-event-queue sources */ diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index 4d7fb8af880d..7b51b6371724 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -81,7 +81,7 @@ static struct efx_tx_queue *efx_tx_queue_partner(struct efx_tx_queue *tx_queue) static inline bool __efx_nic_tx_is_empty(struct efx_tx_queue *tx_queue, unsigned int write_count) { - unsigned int empty_read_count = ACCESS_ONCE(tx_queue->empty_read_count); + unsigned int empty_read_count = READ_ONCE(tx_queue->empty_read_count); if (empty_read_count == 0) return false; @@ -617,11 +617,11 @@ irqreturn_t efx_farch_fatal_interrupt(struct efx_nic *efx); static inline int efx_nic_event_test_irq_cpu(struct efx_channel *channel) { - return ACCESS_ONCE(channel->event_test_cpu); + return READ_ONCE(channel->event_test_cpu); } static inline int efx_nic_irq_test_irq_cpu(struct efx_nic *efx) { - return ACCESS_ONCE(efx->last_irq_cpu); + return READ_ONCE(efx->last_irq_cpu); } /* Global Resources */ diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index 60cdb97f58e2..56c2db398def 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -658,7 +658,7 @@ static void efx_ptp_send_times(struct efx_nic *efx, /* Write host time for specified period or until MC is done */ while ((timespec64_compare(&now.ts_real, &limit) < 0) && - ACCESS_ONCE(*mc_running)) { + READ_ONCE(*mc_running)) { struct timespec64 update_time; unsigned int host_time; @@ -668,7 +668,7 @@ static void efx_ptp_send_times(struct efx_nic *efx, do { pps_get_ts(&now); } while ((timespec64_compare(&now.ts_real, &update_time) < 0) && - ACCESS_ONCE(*mc_running)); + READ_ONCE(*mc_running)); /* Synchronise NIC with single word of time only */ host_time = (now.ts_real.tv_sec << MC_NANOSECOND_BITS | @@ -832,14 +832,14 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) ptp->start.dma_addr); /* Clear flag that signals MC ready */ - ACCESS_ONCE(*start) = 0; + WRITE_ONCE(*start, 0); rc = efx_mcdi_rpc_start(efx, MC_CMD_PTP, synch_buf, MC_CMD_PTP_IN_SYNCHRONIZE_LEN); EFX_WARN_ON_ONCE_PARANOID(rc); /* Wait for start from MCDI (or timeout) */ timeout = jiffies + msecs_to_jiffies(MAX_SYNCHRONISE_WAIT_MS); - while (!ACCESS_ONCE(*start) && (time_before(jiffies, timeout))) { + while (!READ_ONCE(*start) && (time_before(jiffies, timeout))) { udelay(20); /* Usually start MCDI execution quickly */ loops++; } @@ -849,7 +849,7 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) if (!time_before(jiffies, timeout)) ++ptp->sync_timeouts; - if (ACCESS_ONCE(*start)) + if (READ_ONCE(*start)) efx_ptp_send_times(efx, &last_time); /* Collect results */ diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index 32bf1fecf864..efb66ea21f27 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -136,8 +136,8 @@ static void efx_tx_maybe_stop_queue(struct efx_tx_queue *txq1) */ netif_tx_stop_queue(txq1->core_txq); smp_mb(); - txq1->old_read_count = ACCESS_ONCE(txq1->read_count); - txq2->old_read_count = ACCESS_ONCE(txq2->read_count); + txq1->old_read_count = READ_ONCE(txq1->read_count); + txq2->old_read_count = READ_ONCE(txq2->read_count); fill_level = max(txq1->insert_count - txq1->old_read_count, txq2->insert_count - txq2->old_read_count); @@ -752,7 +752,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) /* Check whether the hardware queue is now empty */ if ((int)(tx_queue->read_count - tx_queue->old_write_count) >= 0) { - tx_queue->old_write_count = ACCESS_ONCE(tx_queue->write_count); + tx_queue->old_write_count = READ_ONCE(tx_queue->write_count); if (tx_queue->read_count == tx_queue->old_write_count) { smp_mb(); tx_queue->empty_read_count = diff --git a/drivers/net/ethernet/sis/sis900.h b/drivers/net/ethernet/sis/sis900.h index f0da3dc52c01..66e4bf38770f 100644 --- a/drivers/net/ethernet/sis/sis900.h +++ b/drivers/net/ethernet/sis/sis900.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* sis900.h Definitions for SiS ethernet controllers including 7014/7016 and 900 * Copyright 1999 Silicon Integrated System Corporation * References: diff --git a/drivers/net/ethernet/smsc/Makefile b/drivers/net/ethernet/smsc/Makefile index f3438dec9d90..4105912b1629 100644 --- a/drivers/net/ethernet/smsc/Makefile +++ b/drivers/net/ethernet/smsc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the SMSC network device drivers. # diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile index 238307fadcdb..ff3f83b86d10 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_STMMAC_ETH) += stmmac.o stmmac-objs:= stmmac_main.o stmmac_ethtool.o stmmac_mdio.o ring_mode.o \ chain_mode.o dwmac_lib.o dwmac1000_core.o dwmac1000_dma.o \ diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c index 5efef8001edf..3256e5cbad27 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-dwc-qos-eth.c @@ -74,7 +74,7 @@ static int dwc_eth_dwmac_config_dt(struct platform_device *pdev, plat_dat->axi->axi_wr_osr_lmt--; } - if (of_property_read_u32(np, "read,read-requests", + if (of_property_read_u32(np, "snps,read-requests", &plat_dat->axi->axi_rd_osr_lmt)) { /** * Since the register has a reset value of 1, if property diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 8a280b48e3a9..195eb7e71473 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -150,6 +150,13 @@ static void stmmac_mtl_setup(struct platform_device *pdev, plat->rx_queues_to_use = 1; plat->tx_queues_to_use = 1; + /* First Queue must always be in DCB mode. As MTL_QUEUE_DCB = 1 we need + * to always set this, otherwise Queue will be classified as AVB + * (because MTL_QUEUE_AVB = 0). + */ + plat->rx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB; + plat->tx_queues_cfg[0].mode_to_use = MTL_QUEUE_DCB; + rx_node = of_parse_phandle(pdev->dev.of_node, "snps,mtl-rx-config", 0); if (!rx_node) return; @@ -161,8 +168,8 @@ static void stmmac_mtl_setup(struct platform_device *pdev, } /* Processing RX queues common config */ - if (of_property_read_u8(rx_node, "snps,rx-queues-to-use", - &plat->rx_queues_to_use)) + if (of_property_read_u32(rx_node, "snps,rx-queues-to-use", + &plat->rx_queues_to_use)) plat->rx_queues_to_use = 1; if (of_property_read_bool(rx_node, "snps,rx-sched-sp")) @@ -184,8 +191,8 @@ static void stmmac_mtl_setup(struct platform_device *pdev, else plat->rx_queues_cfg[queue].mode_to_use = MTL_QUEUE_DCB; - if (of_property_read_u8(q_node, "snps,map-to-dma-channel", - &plat->rx_queues_cfg[queue].chan)) + if (of_property_read_u32(q_node, "snps,map-to-dma-channel", + &plat->rx_queues_cfg[queue].chan)) plat->rx_queues_cfg[queue].chan = queue; /* TODO: Dynamic mapping to be included in the future */ @@ -215,8 +222,8 @@ static void stmmac_mtl_setup(struct platform_device *pdev, } /* Processing TX queues common config */ - if (of_property_read_u8(tx_node, "snps,tx-queues-to-use", - &plat->tx_queues_to_use)) + if (of_property_read_u32(tx_node, "snps,tx-queues-to-use", + &plat->tx_queues_to_use)) plat->tx_queues_to_use = 1; if (of_property_read_bool(tx_node, "snps,tx-sched-wrr")) @@ -237,8 +244,8 @@ static void stmmac_mtl_setup(struct platform_device *pdev, if (queue >= plat->tx_queues_to_use) break; - if (of_property_read_u8(q_node, "snps,weight", - &plat->tx_queues_cfg[queue].weight)) + if (of_property_read_u32(q_node, "snps,weight", + &plat->tx_queues_cfg[queue].weight)) plat->tx_queues_cfg[queue].weight = 0x10 + queue; if (of_property_read_bool(q_node, "snps,dcb-algorithm")) { diff --git a/drivers/net/ethernet/sun/Makefile b/drivers/net/ethernet/sun/Makefile index 37855438b3cb..9a5249dee56e 100644 --- a/drivers/net/ethernet/sun/Makefile +++ b/drivers/net/ethernet/sun/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Sun network device drivers. # diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c index 6a4e8e1bbd90..8ab0fb6892d5 100644 --- a/drivers/net/ethernet/sun/niu.c +++ b/drivers/net/ethernet/sun/niu.c @@ -6245,7 +6245,7 @@ static void niu_get_rx_stats(struct niu *np, pkts = dropped = errors = bytes = 0; - rx_rings = ACCESS_ONCE(np->rx_rings); + rx_rings = READ_ONCE(np->rx_rings); if (!rx_rings) goto no_rings; @@ -6276,7 +6276,7 @@ static void niu_get_tx_stats(struct niu *np, pkts = errors = bytes = 0; - tx_rings = ACCESS_ONCE(np->tx_rings); + tx_rings = READ_ONCE(np->tx_rings); if (!tx_rings) goto no_rings; diff --git a/drivers/net/ethernet/sun/niu.h b/drivers/net/ethernet/sun/niu.h index 51e177e1860d..04c215f91fc0 100644 --- a/drivers/net/ethernet/sun/niu.h +++ b/drivers/net/ethernet/sun/niu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* niu.h: Definitions for Neptune ethernet driver. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/drivers/net/ethernet/sun/sunbmac.h b/drivers/net/ethernet/sun/sunbmac.h index ee56930475a8..d379bd407eca 100644 --- a/drivers/net/ethernet/sun/sunbmac.h +++ b/drivers/net/ethernet/sun/sunbmac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: sunbmac.h,v 1.7 2000/07/11 22:35:22 davem Exp $ * sunbmac.h: Defines for the Sun "Big MAC" 100baseT ethernet cards. * diff --git a/drivers/net/ethernet/sun/sungem.h b/drivers/net/ethernet/sun/sungem.h index 835ce1b3cb9f..626302a9bc89 100644 --- a/drivers/net/ethernet/sun/sungem.h +++ b/drivers/net/ethernet/sun/sungem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: sungem.h,v 1.10.2.4 2002/03/11 08:54:48 davem Exp $ * sungem.h: Definitions for Sun GEM ethernet driver. * diff --git a/drivers/net/ethernet/sun/sunhme.h b/drivers/net/ethernet/sun/sunhme.h index fca1bca7f69d..9118c60c9426 100644 --- a/drivers/net/ethernet/sun/sunhme.h +++ b/drivers/net/ethernet/sun/sunhme.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: sunhme.h,v 1.33 2001/08/03 06:23:04 davem Exp $ * sunhme.h: Definitions for Sparc HME/BigMac 10/100baseT ethernet driver. * Also known as the "Happy Meal". diff --git a/drivers/net/ethernet/sun/sunqe.h b/drivers/net/ethernet/sun/sunqe.h index ae190b77431b..0daed05b7c83 100644 --- a/drivers/net/ethernet/sun/sunqe.h +++ b/drivers/net/ethernet/sun/sunqe.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: sunqe.h,v 1.13 2000/02/09 11:15:42 davem Exp $ * sunqe.h: Definitions for the Sun QuadEthernet driver. * diff --git a/drivers/net/ethernet/sun/sunvnet_common.h b/drivers/net/ethernet/sun/sunvnet_common.h index b20d6fa7ef25..6a4dd1fb19bf 100644 --- a/drivers/net/ethernet/sun/sunvnet_common.h +++ b/drivers/net/ethernet/sun/sunvnet_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SUNVNETCOMMON_H #define _SUNVNETCOMMON_H diff --git a/drivers/net/ethernet/synopsys/Makefile b/drivers/net/ethernet/synopsys/Makefile index 0ad01916f11e..7a46393abf26 100644 --- a/drivers/net/ethernet/synopsys/Makefile +++ b/drivers/net/ethernet/synopsys/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Synopsys network device drivers. # diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile index 10e6b0ce51ba..0be551de821c 100644 --- a/drivers/net/ethernet/ti/Makefile +++ b/drivers/net/ethernet/ti/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the TI network device drivers. # diff --git a/drivers/net/ethernet/tile/Makefile b/drivers/net/ethernet/tile/Makefile index 0ef9eefd3211..3d0ae1f07fc9 100644 --- a/drivers/net/ethernet/tile/Makefile +++ b/drivers/net/ethernet/tile/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the TILE on-chip networking support. # diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index c00102b8145a..b3e5816a4678 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -40,7 +40,7 @@ #include <linux/tcp.h> #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> -#include <linux/tick.h> +#include <linux/sched/isolation.h> #include <asm/checksum.h> #include <asm/homecache.h> @@ -2270,8 +2270,8 @@ static int __init tile_net_init_module(void) tile_net_dev_init(name, mac); if (!network_cpus_init()) - cpumask_and(&network_cpus_map, housekeeping_cpumask(), - cpu_online_mask); + cpumask_and(&network_cpus_map, + housekeeping_cpumask(HK_FLAG_MISC), cpu_online_mask); return 0; } diff --git a/drivers/net/ethernet/tile/tilepro.c b/drivers/net/ethernet/tile/tilepro.c index 49ccee4b9aec..56d06282fbde 100644 --- a/drivers/net/ethernet/tile/tilepro.c +++ b/drivers/net/ethernet/tile/tilepro.c @@ -608,9 +608,9 @@ static void tile_net_schedule_egress_timer(struct tile_net_cpu *info) * ISSUE: Maybe instead track number of expected completions, and free * only that many, resetting to zero if "pending" is ever false. */ -static void tile_net_handle_egress_timer(unsigned long arg) +static void tile_net_handle_egress_timer(struct timer_list *t) { - struct tile_net_cpu *info = (struct tile_net_cpu *)arg; + struct tile_net_cpu *info = from_timer(info, t, egress_timer); struct net_device *dev = info->napi.dev; /* The timer is no longer scheduled. */ @@ -1004,9 +1004,8 @@ static void tile_net_register(void *dev_ptr) BUG(); /* Initialize the egress timer. */ - init_timer_pinned(&info->egress_timer); - info->egress_timer.data = (long)info; - info->egress_timer.function = tile_net_handle_egress_timer; + timer_setup(&info->egress_timer, tile_net_handle_egress_timer, + TIMER_PINNED); u64_stats_init(&info->stats.syncp); diff --git a/drivers/net/ethernet/toshiba/Makefile b/drivers/net/ethernet/toshiba/Makefile index a5069008435b..f434fd0f429e 100644 --- a/drivers/net/ethernet/toshiba/Makefile +++ b/drivers/net/ethernet/toshiba/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Toshiba network device drivers. # diff --git a/drivers/net/ethernet/xilinx/Makefile b/drivers/net/ethernet/xilinx/Makefile index 214205e975e3..7d7dc1771423 100644 --- a/drivers/net/ethernet/xilinx/Makefile +++ b/drivers/net/ethernet/xilinx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Xilink network device drivers. # diff --git a/drivers/net/ethernet/xilinx/ll_temac.h b/drivers/net/ethernet/xilinx/ll_temac.h index 7d06e3e1abac..107575225383 100644 --- a/drivers/net/ethernet/xilinx/ll_temac.h +++ b/drivers/net/ethernet/xilinx/ll_temac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef XILINX_LL_TEMAC_H #define XILINX_LL_TEMAC_H diff --git a/drivers/net/ethernet/xilinx/ll_temac_mdio.c b/drivers/net/ethernet/xilinx/ll_temac_mdio.c index 7714aff78b7d..f5e83ac6f7e2 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_mdio.c +++ b/drivers/net/ethernet/xilinx/ll_temac_mdio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MDIO bus driver for the Xilinx TEMAC device * diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet.h b/drivers/net/ethernet/xilinx/xilinx_axienet.h index 5ef626331f85..c337400485da 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet.h +++ b/drivers/net/ethernet/xilinx/xilinx_axienet.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for Xilinx Axi Ethernet device driver. * diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c index 63307ea97846..16c3bfbe1992 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MDIO bus driver for the Xilinx Axi Ethernet device * diff --git a/drivers/net/fddi/skfp/Makefile b/drivers/net/fddi/skfp/Makefile index a957a1c7e5ba..875eac8a76f3 100644 --- a/drivers/net/fddi/skfp/Makefile +++ b/drivers/net/fddi/skfp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the SysKonnect FDDI PCI adapter driver # diff --git a/drivers/net/hamradio/Makefile b/drivers/net/hamradio/Makefile index 104096070026..7a1518d763e3 100644 --- a/drivers/net/hamradio/Makefile +++ b/drivers/net/hamradio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux AX.25 and HFMODEM device drivers. # diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 7a7c5224a336..104f71fa9c5e 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -157,7 +157,7 @@ static struct net_device *yam_devs[NR_PORTS]; static struct yam_mcs *yam_data; -static DEFINE_TIMER(yam_timer, NULL, 0, 0); +static DEFINE_TIMER(yam_timer, NULL); /* --------------------------------------------------------------------- */ diff --git a/drivers/net/hamradio/z8530.h b/drivers/net/hamradio/z8530.h index 8bef548572aa..1655901d713b 100644 --- a/drivers/net/hamradio/z8530.h +++ b/drivers/net/hamradio/z8530.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* 8530 Serial Communications Controller Register definitions */ #define FLAG 0x7e diff --git a/drivers/net/hippi/rrunner.h b/drivers/net/hippi/rrunner.h index 28169043ae49..87533784604f 100644 --- a/drivers/net/hippi/rrunner.h +++ b/drivers/net/hippi/rrunner.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RRUNNER_H_ #define _RRUNNER_H_ diff --git a/drivers/net/ieee802154/Makefile b/drivers/net/ieee802154/Makefile index 8374bb44a145..bea1de5e726c 100644 --- a/drivers/net/ieee802154/Makefile +++ b/drivers/net/ieee802154/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o obj-$(CONFIG_IEEE802154_MRF24J40) += mrf24j40.o diff --git a/drivers/net/ipvlan/ipvtap.c b/drivers/net/ipvlan/ipvtap.c index 5dea2063dbc8..0bcc07f346c3 100644 --- a/drivers/net/ipvlan/ipvtap.c +++ b/drivers/net/ipvlan/ipvtap.c @@ -197,8 +197,8 @@ static int ipvtap_init(void) { int err; - err = tap_create_cdev(&ipvtap_cdev, &ipvtap_major, "ipvtap"); - + err = tap_create_cdev(&ipvtap_cdev, &ipvtap_major, "ipvtap", + THIS_MODULE); if (err) goto out1; diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index c2d0ea2fb019..cba5cb3b849a 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -204,8 +204,8 @@ static int macvtap_init(void) { int err; - err = tap_create_cdev(&macvtap_cdev, &macvtap_major, "macvtap"); - + err = tap_create_cdev(&macvtap_cdev, &macvtap_major, "macvtap", + THIS_MODULE); if (err) goto out1; diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 416df92fbf4f..00f097e18c68 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for Linux PHY drivers and MDIO bus drivers libphy-y := phy.o phy-c45.o phy-core.o phy_device.o diff --git a/drivers/net/phy/dp83640_reg.h b/drivers/net/phy/dp83640_reg.h index e7fe41117003..21aa24c741b9 100644 --- a/drivers/net/phy/dp83640_reg.h +++ b/drivers/net/phy/dp83640_reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* dp83640_reg.h * Generated by regen.tcl on Thu Feb 17 10:02:48 AM CET 2011 */ diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 15cbcdba618a..4d02b27df044 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -681,9 +681,11 @@ static int m88e1116r_config_init(struct phy_device *phydev) if (err < 0) return err; - err = m88e1121_config_aneg_rgmii_delays(phydev); - if (err < 0) - return err; + if (phy_interface_is_rgmii(phydev)) { + err = m88e1121_config_aneg_rgmii_delays(phydev); + if (err < 0) + return err; + } err = genphy_soft_reset(phydev); if (err < 0) diff --git a/drivers/net/phy/mdio-boardinfo.h b/drivers/net/phy/mdio-boardinfo.h index 3a7f143904e8..773bb51399be 100644 --- a/drivers/net/phy/mdio-boardinfo.h +++ b/drivers/net/phy/mdio-boardinfo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * mdio-boardinfo.h - board info interface internal to the mdio_bus * component diff --git a/drivers/net/phy/swphy.h b/drivers/net/phy/swphy.h index 2f09ac324e18..3668ab8c901a 100644 --- a/drivers/net/phy/swphy.h +++ b/drivers/net/phy/swphy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SWPHY_H #define SWPHY_H diff --git a/drivers/net/ppp/Makefile b/drivers/net/ppp/Makefile index a6b6297b0066..16c457d6b324 100644 --- a/drivers/net/ppp/Makefile +++ b/drivers/net/ppp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux PPP network device drivers. # diff --git a/drivers/net/ppp/ppp_mppe.h b/drivers/net/ppp/ppp_mppe.h index 7a14e058c668..677b3b3f7425 100644 --- a/drivers/net/ppp/ppp_mppe.h +++ b/drivers/net/ppp/ppp_mppe.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define MPPE_PAD 4 /* MPPE growth per frame */ #define MPPE_MAX_KEY_LEN 16 /* largest key length (128-bit) */ diff --git a/drivers/net/slip/slip.h b/drivers/net/slip/slip.h index cf32aadf508f..c420e5948522 100644 --- a/drivers/net/slip/slip.h +++ b/drivers/net/slip/slip.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * slip.h Define the SLIP device driver interface and constants. * diff --git a/drivers/net/tap.c b/drivers/net/tap.c index 21b71ae947fd..b13890953ebb 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -257,7 +257,7 @@ static struct tap_queue *tap_get_queue(struct tap_dev *tap, * and validate that the result isn't NULL - in case we are * racing against queue removal. */ - int numvtaps = ACCESS_ONCE(tap->numvtaps); + int numvtaps = READ_ONCE(tap->numvtaps); __u32 rxq; if (!numvtaps) @@ -517,6 +517,10 @@ static int tap_open(struct inode *inode, struct file *file) &tap_proto, 0); if (!q) goto err; + if (skb_array_init(&q->skb_array, tap->dev->tx_queue_len, GFP_KERNEL)) { + sk_free(&q->sk); + goto err; + } RCU_INIT_POINTER(q->sock.wq, &q->wq); init_waitqueue_head(&q->wq.wait); @@ -540,22 +544,18 @@ static int tap_open(struct inode *inode, struct file *file) if ((tap->dev->features & NETIF_F_HIGHDMA) && (tap->dev->features & NETIF_F_SG)) sock_set_flag(&q->sk, SOCK_ZEROCOPY); - err = -ENOMEM; - if (skb_array_init(&q->skb_array, tap->dev->tx_queue_len, GFP_KERNEL)) - goto err_array; - err = tap_set_queue(tap, file, q); - if (err) - goto err_queue; + if (err) { + /* tap_sock_destruct() will take care of freeing skb_array */ + goto err_put; + } dev_put(tap->dev); rtnl_unlock(); return err; -err_queue: - skb_array_cleanup(&q->skb_array); -err_array: +err_put: sock_put(&q->sk); err: if (tap) @@ -1032,6 +1032,8 @@ static long tap_ioctl(struct file *file, unsigned int cmd, case TUNSETSNDBUF: if (get_user(s, sp)) return -EFAULT; + if (s <= 0) + return -EINVAL; q->sk.sk_sndbuf = s; return 0; @@ -1249,8 +1251,8 @@ static int tap_list_add(dev_t major, const char *device_name) return 0; } -int tap_create_cdev(struct cdev *tap_cdev, - dev_t *tap_major, const char *device_name) +int tap_create_cdev(struct cdev *tap_cdev, dev_t *tap_major, + const char *device_name, struct module *module) { int err; @@ -1259,6 +1261,7 @@ int tap_create_cdev(struct cdev *tap_cdev, goto out1; cdev_init(tap_cdev, &tap_fops); + tap_cdev->owner = module; err = cdev_add(tap_cdev, *tap_major, TAP_NUM_DEVS); if (err) goto out2; diff --git a/drivers/net/team/Makefile b/drivers/net/team/Makefile index c57e85889751..f582d81a5091 100644 --- a/drivers/net/team/Makefile +++ b/drivers/net/team/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the network team driver # diff --git a/drivers/net/tun.c b/drivers/net/tun.c index e21bf90b819f..c1685a6d7883 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -469,7 +469,7 @@ static u16 tun_select_queue(struct net_device *dev, struct sk_buff *skb, u32 numqueues = 0; rcu_read_lock(); - numqueues = ACCESS_ONCE(tun->numqueues); + numqueues = READ_ONCE(tun->numqueues); txq = __skb_get_hash_symmetric(skb); if (txq) { @@ -864,7 +864,7 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) rcu_read_lock(); tfile = rcu_dereference(tun->tfiles[txq]); - numqueues = ACCESS_ONCE(tun->numqueues); + numqueues = READ_ONCE(tun->numqueues); /* Drop packet if interface is not attached */ if (txq >= numqueues) @@ -1286,6 +1286,7 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun, buflen += SKB_DATA_ALIGN(len + pad); rcu_read_unlock(); + alloc_frag->offset = ALIGN((u64)alloc_frag->offset, SMP_CACHE_BYTES); if (unlikely(!skb_page_frag_refill(buflen, alloc_frag, GFP_KERNEL))) return ERR_PTR(-ENOMEM); @@ -2028,7 +2029,7 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) if (!dev) return -ENOMEM; err = dev_get_valid_name(net, dev, name); - if (err) + if (err < 0) goto err_free_dev; dev_net_set(dev, net); @@ -2428,6 +2429,10 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, ret = -EFAULT; break; } + if (sndbuf <= 0) { + ret = -EINVAL; + break; + } tun->sndbuf = sndbuf; tun_set_sndbuf(tun); diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index 37fb46aee341..27307a4ab003 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB Network drivers # diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index b2ff88e69a81..3d4f7959dabb 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -626,7 +626,7 @@ static int asix_suspend(struct usb_interface *intf, pm_message_t message) struct usbnet *dev = usb_get_intfdata(intf); struct asix_common_private *priv = dev->driver_priv; - if (priv->suspend) + if (priv && priv->suspend) priv->suspend(dev); return usbnet_suspend(intf, message); @@ -678,7 +678,7 @@ static int asix_resume(struct usb_interface *intf) struct usbnet *dev = usb_get_intfdata(intf); struct asix_common_private *priv = dev->driver_priv; - if (priv->resume) + if (priv && priv->resume) priv->resume(dev); return usbnet_resume(intf); diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 52ea80bcd639..05dca3e5c93d 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -230,7 +230,7 @@ skip: goto bad_desc; } - if (header.usb_cdc_ether_desc) { + if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) { dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize); /* because of Zaurus, we may be ignoring the host * side link address we were given. @@ -561,6 +561,7 @@ static const struct driver_info wwan_info = { #define HP_VENDOR_ID 0x03f0 #define MICROSOFT_VENDOR_ID 0x045e #define UBLOX_VENDOR_ID 0x1546 +#define TPLINK_VENDOR_ID 0x2357 static const struct usb_device_id products[] = { /* BLACKLIST !! @@ -813,6 +814,13 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, + /* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. @@ -864,6 +872,12 @@ static const struct usb_device_id products[] = { USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), .driver_info = (kernel_ulong_t)&wwan_info, }, { + /* Huawei ME906 and ME909 */ + USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, + USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_info, +}, { /* ZTE modules */ USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 8c3733608271..8d4a6f7cba61 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -499,6 +499,7 @@ static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb) return 1; } if (rawip) { + skb_reset_mac_header(skb); skb->dev = dev->net; /* normally set by eth_type_trans */ skb->protocol = proto; return 1; @@ -681,7 +682,7 @@ static int qmi_wwan_bind(struct usbnet *dev, struct usb_interface *intf) } /* errors aren't fatal - we can live with the dynamic address */ - if (cdc_ether) { + if (cdc_ether && cdc_ether->wMaxSegmentSize) { dev->hard_mtu = le16_to_cpu(cdc_ether->wMaxSegmentSize); usbnet_get_ethernet_addr(dev, cdc_ether->iMACAddress); } diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 941ece08ba78..d51d9abf7986 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -615,6 +615,7 @@ enum rtl8152_flags { #define VENDOR_ID_LENOVO 0x17ef #define VENDOR_ID_LINKSYS 0x13b1 #define VENDOR_ID_NVIDIA 0x0955 +#define VENDOR_ID_TPLINK 0x2357 #define MCU_TYPE_PLA 0x0100 #define MCU_TYPE_USB 0x0000 @@ -5319,6 +5320,7 @@ static const struct usb_device_id rtl8152_table[] = { {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x7214)}, {REALTEK_USB_DEVICE(VENDOR_ID_LINKSYS, 0x0041)}, {REALTEK_USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff)}, + {REALTEK_USB_DEVICE(VENDOR_ID_TPLINK, 0x0601)}, {} }; diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 9b243e6f3008..7dc3bcac3506 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1165,7 +1165,7 @@ static int vrf_fib_rule(const struct net_device *dev, __u8 family, bool add_it) frh->family = family; frh->action = FR_ACT_TO_TBL; - if (nla_put_u32(skb, FRA_L3MDEV, 1)) + if (nla_put_u8(skb, FRA_L3MDEV, 1)) goto nla_put_failure; if (nla_put_u32(skb, FRA_PRIORITY, FIB_RULE_PREF)) diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d7c49cf1d5e9..3247d2feda07 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2325,9 +2325,9 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) } /* Walk the forwarding table and purge stale entries */ -static void vxlan_cleanup(unsigned long arg) +static void vxlan_cleanup(struct timer_list *t) { - struct vxlan_dev *vxlan = (struct vxlan_dev *) arg; + struct vxlan_dev *vxlan = from_timer(vxlan, t, age_timer); unsigned long next_timer = jiffies + FDB_AGE_INTERVAL; unsigned int h; @@ -2647,9 +2647,7 @@ static void vxlan_setup(struct net_device *dev) INIT_LIST_HEAD(&vxlan->next); spin_lock_init(&vxlan->hash_lock); - init_timer_deferrable(&vxlan->age_timer); - vxlan->age_timer.function = vxlan_cleanup; - vxlan->age_timer.data = (unsigned long) vxlan; + timer_setup(&vxlan->age_timer, vxlan_cleanup, TIMER_DEFERRABLE); vxlan->dev = dev; diff --git a/drivers/net/wan/Makefile b/drivers/net/wan/Makefile index 73c2326603fc..9532e69fda87 100644 --- a/drivers/net/wan/Makefile +++ b/drivers/net/wan/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux network (wan) device drivers. # diff --git a/drivers/net/wan/hd64570.h b/drivers/net/wan/hd64570.h index 10963e8f4b39..24529996c872 100644 --- a/drivers/net/wan/hd64570.h +++ b/drivers/net/wan/hd64570.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __HD64570_H #define __HD64570_H diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index a408abc25512..f4b0ab34f048 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -276,8 +276,6 @@ static void cisco_timer(unsigned long arg) spin_unlock(&st->lock); st->timer.expires = jiffies + st->settings.interval * HZ; - st->timer.function = cisco_timer; - st->timer.data = arg; add_timer(&st->timer); } diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index 78596e42a3f3..07f265fa2826 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -644,8 +644,6 @@ static void fr_timer(unsigned long arg) state(hdlc)->settings.t391 * HZ; } - state(hdlc)->timer.function = fr_timer; - state(hdlc)->timer.data = arg; add_timer(&state(hdlc)->timer); } diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 63f749078a1f..0e3f8ed84660 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -346,7 +346,6 @@ out: fail: dev_put(dev); free_netdev(ndev); - kfree(lapbeth); goto out; } diff --git a/drivers/net/wan/lmc/lmc.h b/drivers/net/wan/lmc/lmc.h index 4ced7ac16c2c..38961793adad 100644 --- a/drivers/net/wan/lmc/lmc.h +++ b/drivers/net/wan/lmc/lmc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LMC_H_ #define _LMC_H_ diff --git a/drivers/net/wan/lmc/lmc_debug.c b/drivers/net/wan/lmc/lmc_debug.c index 15049d711f47..f999db788506 100644 --- a/drivers/net/wan/lmc/lmc_debug.c +++ b/drivers/net/wan/lmc/lmc_debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/netdevice.h> #include <linux/interrupt.h> diff --git a/drivers/net/wan/lmc/lmc_debug.h b/drivers/net/wan/lmc/lmc_debug.h index 2d46f121549f..820adcae5d67 100644 --- a/drivers/net/wan/lmc/lmc_debug.h +++ b/drivers/net/wan/lmc/lmc_debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LMC_DEBUG_H_ #define _LMC_DEBUG_H_ diff --git a/drivers/net/wan/lmc/lmc_proto.h b/drivers/net/wan/lmc/lmc_proto.h index 662148c54644..bb098e443776 100644 --- a/drivers/net/wan/lmc/lmc_proto.h +++ b/drivers/net/wan/lmc/lmc_proto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LMC_PROTO_H_ #define _LMC_PROTO_H_ diff --git a/drivers/net/wan/x25_asy.h b/drivers/net/wan/x25_asy.h index f57ee67836ae..eb4a4216ee94 100644 --- a/drivers/net/wan/x25_asy.h +++ b/drivers/net/wan/x25_asy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_X25_ASY_H #define _LINUX_X25_ASY_H diff --git a/drivers/net/wan/z85230.h b/drivers/net/wan/z85230.h index 2416a9d60bd6..32ae710d4f40 100644 --- a/drivers/net/wan/z85230.h +++ b/drivers/net/wan/z85230.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Description of Z8530 Z85C30 and Z85230 communications chips * diff --git a/drivers/net/wimax/i2400m/Makefile b/drivers/net/wimax/i2400m/Makefile index f6d19c348082..b1db1eff0648 100644 --- a/drivers/net/wimax/i2400m/Makefile +++ b/drivers/net/wimax/i2400m/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_WIMAX_I2400M) += i2400m.o obj-$(CONFIG_WIMAX_I2400M_USB) += i2400m-usb.o diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 54b41ac5f9c8..7fc96306712a 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux Wireless network device drivers. # diff --git a/drivers/net/wireless/admtek/adm8211.h b/drivers/net/wireless/admtek/adm8211.h index bbc10b1cde87..2c55c629de28 100644 --- a/drivers/net/wireless/admtek/adm8211.h +++ b/drivers/net/wireless/admtek/adm8211.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ADM8211_H #define ADM8211_H diff --git a/drivers/net/wireless/ath/Makefile b/drivers/net/wireless/ath/Makefile index 4cdebc7659dd..e4e460b5498e 100644 --- a/drivers/net/wireless/ath/Makefile +++ b/drivers/net/wireless/ath/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ATH5K) += ath5k/ obj-$(CONFIG_ATH9K_HW) += ath9k/ obj-$(CONFIG_CARL9170) += carl9170/ diff --git a/drivers/net/wireless/ath/ath10k/Makefile b/drivers/net/wireless/ath/ath10k/Makefile index 899b9b79f4ce..9492177e9063 100644 --- a/drivers/net/wireless/ath/ath10k/Makefile +++ b/drivers/net/wireless/ath/ath10k/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ATH10K) += ath10k_core.o ath10k_core-y += mac.o \ debug.o \ diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index a3f5dc78353f..0aeeb233af78 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -550,6 +550,11 @@ static int ath10k_htt_rx_crypto_param_len(struct ath10k *ar, return IEEE80211_TKIP_IV_LEN; case HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2: return IEEE80211_CCMP_HDR_LEN; + case HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2: + return IEEE80211_CCMP_256_HDR_LEN; + case HTT_RX_MPDU_ENCRYPT_AES_GCMP_WPA2: + case HTT_RX_MPDU_ENCRYPT_AES_GCMP256_WPA2: + return IEEE80211_GCMP_HDR_LEN; case HTT_RX_MPDU_ENCRYPT_WEP128: case HTT_RX_MPDU_ENCRYPT_WAPI: break; @@ -575,6 +580,11 @@ static int ath10k_htt_rx_crypto_tail_len(struct ath10k *ar, return IEEE80211_TKIP_ICV_LEN; case HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2: return IEEE80211_CCMP_MIC_LEN; + case HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2: + return IEEE80211_CCMP_256_MIC_LEN; + case HTT_RX_MPDU_ENCRYPT_AES_GCMP_WPA2: + case HTT_RX_MPDU_ENCRYPT_AES_GCMP256_WPA2: + return IEEE80211_GCMP_MIC_LEN; case HTT_RX_MPDU_ENCRYPT_WEP128: case HTT_RX_MPDU_ENCRYPT_WAPI: break; @@ -1051,9 +1061,21 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, hdr = (void *)msdu->data; /* Tail */ - if (status->flag & RX_FLAG_IV_STRIPPED) + if (status->flag & RX_FLAG_IV_STRIPPED) { skb_trim(msdu, msdu->len - ath10k_htt_rx_crypto_tail_len(ar, enctype)); + } else { + /* MIC */ + if ((status->flag & RX_FLAG_MIC_STRIPPED) && + enctype == HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2) + skb_trim(msdu, msdu->len - 8); + + /* ICV */ + if (status->flag & RX_FLAG_ICV_STRIPPED && + enctype != HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2) + skb_trim(msdu, msdu->len - + ath10k_htt_rx_crypto_tail_len(ar, enctype)); + } /* MMIC */ if ((status->flag & RX_FLAG_MMIC_STRIPPED) && @@ -1075,7 +1097,8 @@ static void ath10k_htt_rx_h_undecap_raw(struct ath10k *ar, static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, struct sk_buff *msdu, struct ieee80211_rx_status *status, - const u8 first_hdr[64]) + const u8 first_hdr[64], + enum htt_rx_mpdu_encrypt_type enctype) { struct ieee80211_hdr *hdr; struct htt_rx_desc *rxd; @@ -1083,6 +1106,7 @@ static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, u8 da[ETH_ALEN]; u8 sa[ETH_ALEN]; int l3_pad_bytes; + int bytes_aligned = ar->hw_params.decap_align_bytes; /* Delivered decapped frame: * [nwifi 802.11 header] <-- replaced with 802.11 hdr @@ -1111,6 +1135,14 @@ static void ath10k_htt_rx_h_undecap_nwifi(struct ath10k *ar, /* push original 802.11 header */ hdr = (struct ieee80211_hdr *)first_hdr; hdr_len = ieee80211_hdrlen(hdr->frame_control); + + if (!(status->flag & RX_FLAG_IV_STRIPPED)) { + memcpy(skb_push(msdu, + ath10k_htt_rx_crypto_param_len(ar, enctype)), + (void *)hdr + round_up(hdr_len, bytes_aligned), + ath10k_htt_rx_crypto_param_len(ar, enctype)); + } + memcpy(skb_push(msdu, hdr_len), hdr, hdr_len); /* original 802.11 header has a different DA and in @@ -1171,6 +1203,7 @@ static void ath10k_htt_rx_h_undecap_eth(struct ath10k *ar, u8 sa[ETH_ALEN]; int l3_pad_bytes; struct htt_rx_desc *rxd; + int bytes_aligned = ar->hw_params.decap_align_bytes; /* Delivered decapped frame: * [eth header] <-- replaced with 802.11 hdr & rfc1042/llc @@ -1199,6 +1232,14 @@ static void ath10k_htt_rx_h_undecap_eth(struct ath10k *ar, /* push original 802.11 header */ hdr = (struct ieee80211_hdr *)first_hdr; hdr_len = ieee80211_hdrlen(hdr->frame_control); + + if (!(status->flag & RX_FLAG_IV_STRIPPED)) { + memcpy(skb_push(msdu, + ath10k_htt_rx_crypto_param_len(ar, enctype)), + (void *)hdr + round_up(hdr_len, bytes_aligned), + ath10k_htt_rx_crypto_param_len(ar, enctype)); + } + memcpy(skb_push(msdu, hdr_len), hdr, hdr_len); /* original 802.11 header has a different DA and in @@ -1212,12 +1253,14 @@ static void ath10k_htt_rx_h_undecap_eth(struct ath10k *ar, static void ath10k_htt_rx_h_undecap_snap(struct ath10k *ar, struct sk_buff *msdu, struct ieee80211_rx_status *status, - const u8 first_hdr[64]) + const u8 first_hdr[64], + enum htt_rx_mpdu_encrypt_type enctype) { struct ieee80211_hdr *hdr; size_t hdr_len; int l3_pad_bytes; struct htt_rx_desc *rxd; + int bytes_aligned = ar->hw_params.decap_align_bytes; /* Delivered decapped frame: * [amsdu header] <-- replaced with 802.11 hdr @@ -1233,6 +1276,14 @@ static void ath10k_htt_rx_h_undecap_snap(struct ath10k *ar, hdr = (struct ieee80211_hdr *)first_hdr; hdr_len = ieee80211_hdrlen(hdr->frame_control); + + if (!(status->flag & RX_FLAG_IV_STRIPPED)) { + memcpy(skb_push(msdu, + ath10k_htt_rx_crypto_param_len(ar, enctype)), + (void *)hdr + round_up(hdr_len, bytes_aligned), + ath10k_htt_rx_crypto_param_len(ar, enctype)); + } + memcpy(skb_push(msdu, hdr_len), hdr, hdr_len); } @@ -1267,13 +1318,15 @@ static void ath10k_htt_rx_h_undecap(struct ath10k *ar, is_decrypted); break; case RX_MSDU_DECAP_NATIVE_WIFI: - ath10k_htt_rx_h_undecap_nwifi(ar, msdu, status, first_hdr); + ath10k_htt_rx_h_undecap_nwifi(ar, msdu, status, first_hdr, + enctype); break; case RX_MSDU_DECAP_ETHERNET2_DIX: ath10k_htt_rx_h_undecap_eth(ar, msdu, status, first_hdr, enctype); break; case RX_MSDU_DECAP_8023_SNAP_LLC: - ath10k_htt_rx_h_undecap_snap(ar, msdu, status, first_hdr); + ath10k_htt_rx_h_undecap_snap(ar, msdu, status, first_hdr, + enctype); break; } } @@ -1316,7 +1369,8 @@ static void ath10k_htt_rx_h_csum_offload(struct sk_buff *msdu) static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, struct sk_buff_head *amsdu, - struct ieee80211_rx_status *status) + struct ieee80211_rx_status *status, + bool fill_crypt_header) { struct sk_buff *first; struct sk_buff *last; @@ -1326,7 +1380,6 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, enum htt_rx_mpdu_encrypt_type enctype; u8 first_hdr[64]; u8 *qos; - size_t hdr_len; bool has_fcs_err; bool has_crypto_err; bool has_tkip_err; @@ -1351,15 +1404,17 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, * decapped header. It'll be used for undecapping of each MSDU. */ hdr = (void *)rxd->rx_hdr_status; - hdr_len = ieee80211_hdrlen(hdr->frame_control); - memcpy(first_hdr, hdr, hdr_len); + memcpy(first_hdr, hdr, RX_HTT_HDR_STATUS_LEN); /* Each A-MSDU subframe will use the original header as the base and be * reported as a separate MSDU so strip the A-MSDU bit from QoS Ctl. */ hdr = (void *)first_hdr; - qos = ieee80211_get_qos_ctl(hdr); - qos[0] &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT; + + if (ieee80211_is_data_qos(hdr->frame_control)) { + qos = ieee80211_get_qos_ctl(hdr); + qos[0] &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT; + } /* Some attention flags are valid only in the last MSDU. */ last = skb_peek_tail(amsdu); @@ -1406,9 +1461,14 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, status->flag |= RX_FLAG_DECRYPTED; if (likely(!is_mgmt)) - status->flag |= RX_FLAG_IV_STRIPPED | - RX_FLAG_MMIC_STRIPPED; -} + status->flag |= RX_FLAG_MMIC_STRIPPED; + + if (fill_crypt_header) + status->flag |= RX_FLAG_MIC_STRIPPED | + RX_FLAG_ICV_STRIPPED; + else + status->flag |= RX_FLAG_IV_STRIPPED; + } skb_queue_walk(amsdu, msdu) { ath10k_htt_rx_h_csum_offload(msdu); @@ -1424,6 +1484,9 @@ static void ath10k_htt_rx_h_mpdu(struct ath10k *ar, if (is_mgmt) continue; + if (fill_crypt_header) + continue; + hdr = (void *)msdu->data; hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED); } @@ -1434,6 +1497,9 @@ static void ath10k_htt_rx_h_deliver(struct ath10k *ar, struct ieee80211_rx_status *status) { struct sk_buff *msdu; + struct sk_buff *first_subframe; + + first_subframe = skb_peek(amsdu); while ((msdu = __skb_dequeue(amsdu))) { /* Setup per-MSDU flags */ @@ -1442,6 +1508,13 @@ static void ath10k_htt_rx_h_deliver(struct ath10k *ar, else status->flag |= RX_FLAG_AMSDU_MORE; + if (msdu == first_subframe) { + first_subframe = NULL; + status->flag &= ~RX_FLAG_ALLOW_SAME_PN; + } else { + status->flag |= RX_FLAG_ALLOW_SAME_PN; + } + ath10k_process_rx(ar, status, msdu); } } @@ -1584,7 +1657,7 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) ath10k_htt_rx_h_unchain(ar, &amsdu); ath10k_htt_rx_h_filter(ar, &amsdu, rx_status); - ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status); + ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status, true); ath10k_htt_rx_h_deliver(ar, &amsdu, rx_status); return num_msdus; @@ -1745,8 +1818,7 @@ static void ath10k_htt_rx_delba(struct ath10k *ar, struct htt_resp *resp) } static int ath10k_htt_rx_extract_amsdu(struct sk_buff_head *list, - struct sk_buff_head *amsdu, - int budget_left) + struct sk_buff_head *amsdu) { struct sk_buff *msdu; struct htt_rx_desc *rxd; @@ -1757,9 +1829,8 @@ static int ath10k_htt_rx_extract_amsdu(struct sk_buff_head *list, if (WARN_ON(!skb_queue_empty(amsdu))) return -EINVAL; - while ((msdu = __skb_dequeue(list)) && budget_left) { + while ((msdu = __skb_dequeue(list))) { __skb_queue_tail(amsdu, msdu); - budget_left--; rxd = (void *)msdu->data - sizeof(*rxd); if (rxd->msdu_end.common.info0 & @@ -1850,8 +1921,7 @@ static int ath10k_htt_rx_h_rx_offload(struct ath10k *ar, return num_msdu; } -static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb, - int budget_left) +static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb) { struct ath10k_htt *htt = &ar->htt; struct htt_resp *resp = (void *)skb->data; @@ -1908,9 +1978,9 @@ static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb, if (offload) num_msdus = ath10k_htt_rx_h_rx_offload(ar, &list); - while (!skb_queue_empty(&list) && budget_left) { + while (!skb_queue_empty(&list)) { __skb_queue_head_init(&amsdu); - ret = ath10k_htt_rx_extract_amsdu(&list, &amsdu, budget_left); + ret = ath10k_htt_rx_extract_amsdu(&list, &amsdu); switch (ret) { case 0: /* Note: The in-order indication may report interleaved @@ -1920,10 +1990,9 @@ static int ath10k_htt_rx_in_ord_ind(struct ath10k *ar, struct sk_buff *skb, * should still give an idea about rx rate to the user. */ num_msdus += skb_queue_len(&amsdu); - budget_left -= skb_queue_len(&amsdu); ath10k_htt_rx_h_ppdu(ar, &amsdu, status, vdev_id); ath10k_htt_rx_h_filter(ar, &amsdu, status); - ath10k_htt_rx_h_mpdu(ar, &amsdu, status); + ath10k_htt_rx_h_mpdu(ar, &amsdu, status, false); ath10k_htt_rx_h_deliver(ar, &amsdu, status); break; case -EAGAIN: @@ -2563,8 +2632,7 @@ int ath10k_htt_txrx_compl_task(struct ath10k *ar, int budget) } spin_lock_bh(&htt->rx_ring.lock); - num_rx_msdus = ath10k_htt_rx_in_ord_ind(ar, skb, - (budget - quota)); + num_rx_msdus = ath10k_htt_rx_in_ord_ind(ar, skb); spin_unlock_bh(&htt->rx_ring.lock); if (num_rx_msdus < 0) { resched_napi = true; diff --git a/drivers/net/wireless/ath/ath10k/rx_desc.h b/drivers/net/wireless/ath/ath10k/rx_desc.h index c1022a1cf855..28da14398951 100644 --- a/drivers/net/wireless/ath/ath10k/rx_desc.h +++ b/drivers/net/wireless/ath/ath10k/rx_desc.h @@ -239,6 +239,9 @@ enum htt_rx_mpdu_encrypt_type { HTT_RX_MPDU_ENCRYPT_WAPI = 5, HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2 = 6, HTT_RX_MPDU_ENCRYPT_NONE = 7, + HTT_RX_MPDU_ENCRYPT_AES_CCM256_WPA2 = 8, + HTT_RX_MPDU_ENCRYPT_AES_GCMP_WPA2 = 9, + HTT_RX_MPDU_ENCRYPT_AES_GCMP256_WPA2 = 10, }; #define RX_MPDU_START_INFO0_PEER_IDX_MASK 0x000007ff diff --git a/drivers/net/wireless/ath/ath5k/Makefile b/drivers/net/wireless/ath/ath5k/Makefile index 1b3a34f7f224..a8724eee21f8 100644 --- a/drivers/net/wireless/ath/ath5k/Makefile +++ b/drivers/net/wireless/ath/ath5k/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ath5k-y += caps.o ath5k-y += initvals.o ath5k-y += eeprom.o diff --git a/drivers/net/wireless/ath/ath5k/desc.c b/drivers/net/wireless/ath/ath5k/desc.c index bd8d4392d68b..80f75139495f 100644 --- a/drivers/net/wireless/ath/ath5k/desc.c +++ b/drivers/net/wireless/ath/ath5k/desc.c @@ -500,13 +500,13 @@ ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah, tx_status = &desc->ud.ds_tx5212.tx_stat; - txstat1 = ACCESS_ONCE(tx_status->tx_status_1); + txstat1 = READ_ONCE(tx_status->tx_status_1); /* No frame has been send or error */ if (unlikely(!(txstat1 & AR5K_DESC_TX_STATUS1_DONE))) return -EINPROGRESS; - txstat0 = ACCESS_ONCE(tx_status->tx_status_0); + txstat0 = READ_ONCE(tx_status->tx_status_0); /* * Get descriptor status @@ -700,14 +700,14 @@ ath5k_hw_proc_5212_rx_status(struct ath5k_hw *ah, u32 rxstat0, rxstat1; rx_status = &desc->ud.ds_rx.rx_stat; - rxstat1 = ACCESS_ONCE(rx_status->rx_status_1); + rxstat1 = READ_ONCE(rx_status->rx_status_1); /* No frame received / not ready */ if (unlikely(!(rxstat1 & AR5K_5212_RX_DESC_STATUS1_DONE))) return -EINPROGRESS; memset(rs, 0, sizeof(struct ath5k_rx_status)); - rxstat0 = ACCESS_ONCE(rx_status->rx_status_0); + rxstat0 = READ_ONCE(rx_status->rx_status_0); /* * Frame receive status diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c index 04cf0ca72610..25978c732fe1 100644 --- a/drivers/net/wireless/ath/ath5k/sysfs.c +++ b/drivers/net/wireless/ath/ath5k/sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/device.h> diff --git a/drivers/net/wireless/ath/ath5k/trace.h b/drivers/net/wireless/ath/ath5k/trace.h index c6eef519bb61..a41e3bf42dfc 100644 --- a/drivers/net/wireless/ath/ath5k/trace.h +++ b/drivers/net/wireless/ath/ath5k/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(__TRACE_ATH5K_H) || defined(TRACE_HEADER_MULTI_READ) #define __TRACE_ATH5K_H diff --git a/drivers/net/wireless/ath/ath6kl/recovery.c b/drivers/net/wireless/ath/ath6kl/recovery.c index 3a8d5e97dc8e..c09e40c9010f 100644 --- a/drivers/net/wireless/ath/ath6kl/recovery.c +++ b/drivers/net/wireless/ath/ath6kl/recovery.c @@ -60,9 +60,9 @@ void ath6kl_recovery_hb_event(struct ath6kl *ar, u32 cookie) ar->fw_recovery.hb_pending = false; } -static void ath6kl_recovery_hb_timer(unsigned long data) +static void ath6kl_recovery_hb_timer(struct timer_list *t) { - struct ath6kl *ar = (struct ath6kl *) data; + struct ath6kl *ar = from_timer(ar, t, fw_recovery.hb_timer); int err; if (test_bit(RECOVERY_CLEANUP, &ar->flag) || @@ -104,9 +104,8 @@ void ath6kl_recovery_init(struct ath6kl *ar) recovery->seq_num = 0; recovery->hb_misscnt = 0; ar->fw_recovery.hb_pending = false; - ar->fw_recovery.hb_timer.function = ath6kl_recovery_hb_timer; - ar->fw_recovery.hb_timer.data = (unsigned long) ar; - init_timer_deferrable(&ar->fw_recovery.hb_timer); + timer_setup(&ar->fw_recovery.hb_timer, ath6kl_recovery_hb_timer, + TIMER_DEFERRABLE); if (ar->fw_recovery.hb_poll) mod_timer(&ar->fw_recovery.hb_timer, jiffies + diff --git a/drivers/net/wireless/ath/ath6kl/trace.h b/drivers/net/wireless/ath/ath6kl/trace.h index 1a1ea7881b4d..91e735cfdef7 100644 --- a/drivers/net/wireless/ath/ath6kl/trace.h +++ b/drivers/net/wireless/ath/ath6kl/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #if !defined(_ATH6KL_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) #include <net/cfg80211.h> diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile index 36a40ffdce15..d804ce7391a0 100644 --- a/drivers/net/wireless/ath/ath9k/Makefile +++ b/drivers/net/wireless/ath/ath9k/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ath9k-y += beacon.o \ gpio.o \ init.o \ diff --git a/drivers/net/wireless/ath/carl9170/version.h b/drivers/net/wireless/ath/carl9170/version.h index a0410fe8c03a..9a44d004c206 100644 --- a/drivers/net/wireless/ath/carl9170/version.h +++ b/drivers/net/wireless/ath/carl9170/version.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __CARL9170_SHARED_VERSION_H #define __CARL9170_SHARED_VERSION_H #define CARL9170FW_VERSION_YEAR 16 diff --git a/drivers/net/wireless/ath/wcn36xx/Makefile b/drivers/net/wireless/ath/wcn36xx/Makefile index 50c43b4382ba..3b09435104eb 100644 --- a/drivers/net/wireless/ath/wcn36xx/Makefile +++ b/drivers/net/wireless/ath/wcn36xx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_WCN36XX) := wcn36xx.o wcn36xx-y += main.o \ dxe.o \ diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 35bd50bcbbd5..b83f01d6e3dd 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -812,7 +812,6 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw, if (!sta) { wcn36xx_err("sta %pM is not found\n", bss_conf->bssid); - rcu_read_unlock(); goto out; } sta_priv = wcn36xx_sta_to_priv(sta); diff --git a/drivers/net/wireless/ath/wil6210/Makefile b/drivers/net/wireless/ath/wil6210/Makefile index d27efe83748b..398edd2a7f2b 100644 --- a/drivers/net/wireless/ath/wil6210/Makefile +++ b/drivers/net/wireless/ath/wil6210/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_WIL6210) += wil6210.o wil6210-y := main.o diff --git a/drivers/net/wireless/atmel/at76c50x-usb.c b/drivers/net/wireless/atmel/at76c50x-usb.c index 94bf01f8b2a8..ede89d4ffc88 100644 --- a/drivers/net/wireless/atmel/at76c50x-usb.c +++ b/drivers/net/wireless/atmel/at76c50x-usb.c @@ -519,7 +519,7 @@ exit: /* LED trigger */ static int tx_activity; static void at76_ledtrig_tx_timerfunc(unsigned long data); -static DEFINE_TIMER(ledtrig_tx_timer, at76_ledtrig_tx_timerfunc, 0, 0); +static DEFINE_TIMER(ledtrig_tx_timer, at76_ledtrig_tx_timerfunc); DEFINE_LED_TRIGGER(ledtrig_tx); static void at76_ledtrig_tx_timerfunc(unsigned long data) diff --git a/drivers/net/wireless/broadcom/b43/Makefile b/drivers/net/wireless/broadcom/b43/Makefile index 27fab958e3d5..54f92ce49bb8 100644 --- a/drivers/net/wireless/broadcom/b43/Makefile +++ b/drivers/net/wireless/broadcom/b43/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 b43-y += main.o b43-y += bus.o b43-$(CONFIG_B43_PHY_G) += phy_g.o tables.o lo.o wa.o diff --git a/drivers/net/wireless/broadcom/b43/b43.h b/drivers/net/wireless/broadcom/b43/b43.h index d7d42f0b80c3..b77d1a904f7e 100644 --- a/drivers/net/wireless/broadcom/b43/b43.h +++ b/drivers/net/wireless/broadcom/b43/b43.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_H_ #define B43_H_ diff --git a/drivers/net/wireless/broadcom/b43/bus.h b/drivers/net/wireless/broadcom/b43/bus.h index 256c2c17939a..2a695f9e528b 100644 --- a/drivers/net/wireless/broadcom/b43/bus.h +++ b/drivers/net/wireless/broadcom/b43/bus.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_BUS_H_ #define B43_BUS_H_ diff --git a/drivers/net/wireless/broadcom/b43/debugfs.h b/drivers/net/wireless/broadcom/b43/debugfs.h index d05377745011..0bf437c86c67 100644 --- a/drivers/net/wireless/broadcom/b43/debugfs.h +++ b/drivers/net/wireless/broadcom/b43/debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_DEBUGFS_H_ #define B43_DEBUGFS_H_ diff --git a/drivers/net/wireless/broadcom/b43/dma.h b/drivers/net/wireless/broadcom/b43/dma.h index df8c8cdcbdb5..c2a357219d4b 100644 --- a/drivers/net/wireless/broadcom/b43/dma.h +++ b/drivers/net/wireless/broadcom/b43/dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_DMA_H_ #define B43_DMA_H_ diff --git a/drivers/net/wireless/broadcom/b43/leds.h b/drivers/net/wireless/broadcom/b43/leds.h index 32b66d53cdac..5ebd1b2b1749 100644 --- a/drivers/net/wireless/broadcom/b43/leds.h +++ b/drivers/net/wireless/broadcom/b43/leds.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_LEDS_H_ #define B43_LEDS_H_ diff --git a/drivers/net/wireless/broadcom/b43/lo.h b/drivers/net/wireless/broadcom/b43/lo.h index 7b4df3883bc2..66e07ab79c51 100644 --- a/drivers/net/wireless/broadcom/b43/lo.h +++ b/drivers/net/wireless/broadcom/b43/lo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_LO_H_ #define B43_LO_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_a.h b/drivers/net/wireless/broadcom/b43/phy_a.h index 0a92d01c21f9..b1cbfc02beb6 100644 --- a/drivers/net/wireless/broadcom/b43/phy_a.h +++ b/drivers/net/wireless/broadcom/b43/phy_a.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_B43_PHY_A_H_ #define LINUX_B43_PHY_A_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_ac.h b/drivers/net/wireless/broadcom/b43/phy_ac.h index d1ca79e0eb24..02eb6c08670d 100644 --- a/drivers/net/wireless/broadcom/b43/phy_ac.h +++ b/drivers/net/wireless/broadcom/b43/phy_ac.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_PHY_AC_H_ #define B43_PHY_AC_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_common.h b/drivers/net/wireless/broadcom/b43/phy_common.h index ced054a9850c..57a1ad8afa08 100644 --- a/drivers/net/wireless/broadcom/b43/phy_common.h +++ b/drivers/net/wireless/broadcom/b43/phy_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_B43_PHY_COMMON_H_ #define LINUX_B43_PHY_COMMON_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_g.h b/drivers/net/wireless/broadcom/b43/phy_g.h index 5413c906a3e7..a27b8603c75f 100644 --- a/drivers/net/wireless/broadcom/b43/phy_g.h +++ b/drivers/net/wireless/broadcom/b43/phy_g.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_B43_PHY_G_H_ #define LINUX_B43_PHY_G_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_ht.h b/drivers/net/wireless/broadcom/b43/phy_ht.h index c086f56ce478..046753857493 100644 --- a/drivers/net/wireless/broadcom/b43/phy_ht.h +++ b/drivers/net/wireless/broadcom/b43/phy_ht.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_PHY_HT_H_ #define B43_PHY_HT_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_lcn.h b/drivers/net/wireless/broadcom/b43/phy_lcn.h index 6a7092e13fff..0b1cfaf6394c 100644 --- a/drivers/net/wireless/broadcom/b43/phy_lcn.h +++ b/drivers/net/wireless/broadcom/b43/phy_lcn.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_PHY_LCN_H_ #define B43_PHY_LCN_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.h b/drivers/net/wireless/broadcom/b43/phy_lp.h index 62737f700cbc..50bef2ea6e52 100644 --- a/drivers/net/wireless/broadcom/b43/phy_lp.h +++ b/drivers/net/wireless/broadcom/b43/phy_lp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_B43_PHY_LP_H_ #define LINUX_B43_PHY_LP_H_ diff --git a/drivers/net/wireless/broadcom/b43/phy_n.h b/drivers/net/wireless/broadcom/b43/phy_n.h index a6da2c31a99c..b96ded0ef539 100644 --- a/drivers/net/wireless/broadcom/b43/phy_n.h +++ b/drivers/net/wireless/broadcom/b43/phy_n.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_NPHY_H_ #define B43_NPHY_H_ diff --git a/drivers/net/wireless/broadcom/b43/pio.h b/drivers/net/wireless/broadcom/b43/pio.h index 1e516147424f..ffbfec622f82 100644 --- a/drivers/net/wireless/broadcom/b43/pio.h +++ b/drivers/net/wireless/broadcom/b43/pio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_PIO_H_ #define B43_PIO_H_ diff --git a/drivers/net/wireless/broadcom/b43/ppr.h b/drivers/net/wireless/broadcom/b43/ppr.h index 24d7447e9f01..094389f9f477 100644 --- a/drivers/net/wireless/broadcom/b43/ppr.h +++ b/drivers/net/wireless/broadcom/b43/ppr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_B43_PPR_H_ #define LINUX_B43_PPR_H_ diff --git a/drivers/net/wireless/broadcom/b43/radio_2055.h b/drivers/net/wireless/broadcom/b43/radio_2055.h index 67f96122f8d8..ad7271cde001 100644 --- a/drivers/net/wireless/broadcom/b43/radio_2055.h +++ b/drivers/net/wireless/broadcom/b43/radio_2055.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_RADIO_2055_H_ #define B43_RADIO_2055_H_ diff --git a/drivers/net/wireless/broadcom/b43/radio_2056.h b/drivers/net/wireless/broadcom/b43/radio_2056.h index 5b86673459fa..59297fdce5e3 100644 --- a/drivers/net/wireless/broadcom/b43/radio_2056.h +++ b/drivers/net/wireless/broadcom/b43/radio_2056.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_RADIO_2056_H_ #define B43_RADIO_2056_H_ diff --git a/drivers/net/wireless/broadcom/b43/radio_2057.h b/drivers/net/wireless/broadcom/b43/radio_2057.h index 220d080238ff..d7959da77b51 100644 --- a/drivers/net/wireless/broadcom/b43/radio_2057.h +++ b/drivers/net/wireless/broadcom/b43/radio_2057.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_RADIO_2057_H_ #define B43_RADIO_2057_H_ diff --git a/drivers/net/wireless/broadcom/b43/radio_2059.h b/drivers/net/wireless/broadcom/b43/radio_2059.h index 9e22fb60588b..32c0025bce9d 100644 --- a/drivers/net/wireless/broadcom/b43/radio_2059.h +++ b/drivers/net/wireless/broadcom/b43/radio_2059.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_RADIO_2059_H_ #define B43_RADIO_2059_H_ diff --git a/drivers/net/wireless/broadcom/b43/rfkill.h b/drivers/net/wireless/broadcom/b43/rfkill.h index f046c3ca0519..8682ac5b828a 100644 --- a/drivers/net/wireless/broadcom/b43/rfkill.h +++ b/drivers/net/wireless/broadcom/b43/rfkill.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_RFKILL_H_ #define B43_RFKILL_H_ diff --git a/drivers/net/wireless/broadcom/b43/sdio.h b/drivers/net/wireless/broadcom/b43/sdio.h index 1e93926f388f..aa5693b123ad 100644 --- a/drivers/net/wireless/broadcom/b43/sdio.h +++ b/drivers/net/wireless/broadcom/b43/sdio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_SDIO_H_ #define B43_SDIO_H_ diff --git a/drivers/net/wireless/broadcom/b43/sysfs.h b/drivers/net/wireless/broadcom/b43/sysfs.h index 12bda9ef1a85..e70e6cff3c53 100644 --- a/drivers/net/wireless/broadcom/b43/sysfs.h +++ b/drivers/net/wireless/broadcom/b43/sysfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_SYSFS_H_ #define B43_SYSFS_H_ diff --git a/drivers/net/wireless/broadcom/b43/tables.h b/drivers/net/wireless/broadcom/b43/tables.h index 80e73c7cbac5..3b0777f15f3e 100644 --- a/drivers/net/wireless/broadcom/b43/tables.h +++ b/drivers/net/wireless/broadcom/b43/tables.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_TABLES_H_ #define B43_TABLES_H_ diff --git a/drivers/net/wireless/broadcom/b43/tables_lpphy.h b/drivers/net/wireless/broadcom/b43/tables_lpphy.h index 84f1d265f657..62002098bbda 100644 --- a/drivers/net/wireless/broadcom/b43/tables_lpphy.h +++ b/drivers/net/wireless/broadcom/b43/tables_lpphy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_TABLES_LPPHY_H_ #define B43_TABLES_LPPHY_H_ diff --git a/drivers/net/wireless/broadcom/b43/tables_nphy.h b/drivers/net/wireless/broadcom/b43/tables_nphy.h index b51f386db02f..3876786d2692 100644 --- a/drivers/net/wireless/broadcom/b43/tables_nphy.h +++ b/drivers/net/wireless/broadcom/b43/tables_nphy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_TABLES_NPHY_H_ #define B43_TABLES_NPHY_H_ diff --git a/drivers/net/wireless/broadcom/b43/tables_phy_ht.h b/drivers/net/wireless/broadcom/b43/tables_phy_ht.h index 1b5ef2bc770c..7ed057118ae3 100644 --- a/drivers/net/wireless/broadcom/b43/tables_phy_ht.h +++ b/drivers/net/wireless/broadcom/b43/tables_phy_ht.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_TABLES_PHY_HT_H_ #define B43_TABLES_PHY_HT_H_ diff --git a/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h b/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h index caff9db6831f..5ea6c15e851e 100644 --- a/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h +++ b/drivers/net/wireless/broadcom/b43/tables_phy_lcn.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_TABLES_PHY_LCN_H_ #define B43_TABLES_PHY_LCN_H_ diff --git a/drivers/net/wireless/broadcom/b43/wa.h b/drivers/net/wireless/broadcom/b43/wa.h index e163c5e56e81..f3459b99d83b 100644 --- a/drivers/net/wireless/broadcom/b43/wa.h +++ b/drivers/net/wireless/broadcom/b43/wa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_WA_H_ #define B43_WA_H_ diff --git a/drivers/net/wireless/broadcom/b43/xmit.h b/drivers/net/wireless/broadcom/b43/xmit.h index ba6115308068..6524a75bb73b 100644 --- a/drivers/net/wireless/broadcom/b43/xmit.h +++ b/drivers/net/wireless/broadcom/b43/xmit.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43_XMIT_H_ #define B43_XMIT_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/Makefile b/drivers/net/wireless/broadcom/b43legacy/Makefile index 227a77e84362..f8b392f09009 100644 --- a/drivers/net/wireless/broadcom/b43legacy/Makefile +++ b/drivers/net/wireless/broadcom/b43legacy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # b43legacy core b43legacy-y += main.o b43legacy-y += ilt.o diff --git a/drivers/net/wireless/broadcom/b43legacy/b43legacy.h b/drivers/net/wireless/broadcom/b43legacy/b43legacy.h index 482476fdb1f3..6b0cec467938 100644 --- a/drivers/net/wireless/broadcom/b43legacy/b43legacy.h +++ b/drivers/net/wireless/broadcom/b43legacy/b43legacy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_H_ #define B43legacy_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/debugfs.h b/drivers/net/wireless/broadcom/b43legacy/debugfs.h index 9ee32158b947..7a37764406b1 100644 --- a/drivers/net/wireless/broadcom/b43legacy/debugfs.h +++ b/drivers/net/wireless/broadcom/b43legacy/debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_DEBUGFS_H_ #define B43legacy_DEBUGFS_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/dma.h b/drivers/net/wireless/broadcom/b43legacy/dma.h index c3282f906bc7..b5c1a51db2a4 100644 --- a/drivers/net/wireless/broadcom/b43legacy/dma.h +++ b/drivers/net/wireless/broadcom/b43legacy/dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_DMA_H_ #define B43legacy_DMA_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/ilt.h b/drivers/net/wireless/broadcom/b43legacy/ilt.h index 48bcf37eccb8..ce7a61e2efb1 100644 --- a/drivers/net/wireless/broadcom/b43legacy/ilt.h +++ b/drivers/net/wireless/broadcom/b43legacy/ilt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_ILT_H_ #define B43legacy_ILT_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/leds.h b/drivers/net/wireless/broadcom/b43legacy/leds.h index 9ff6750dc57f..389ae06a2d10 100644 --- a/drivers/net/wireless/broadcom/b43legacy/leds.h +++ b/drivers/net/wireless/broadcom/b43legacy/leds.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_LEDS_H_ #define B43legacy_LEDS_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/pio.h b/drivers/net/wireless/broadcom/b43legacy/pio.h index 8e6773ea6e75..1cd1b9ca5e9c 100644 --- a/drivers/net/wireless/broadcom/b43legacy/pio.h +++ b/drivers/net/wireless/broadcom/b43legacy/pio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_PIO_H_ #define B43legacy_PIO_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/rfkill.h b/drivers/net/wireless/broadcom/b43legacy/rfkill.h index 75585571c544..7f314eb815d4 100644 --- a/drivers/net/wireless/broadcom/b43legacy/rfkill.h +++ b/drivers/net/wireless/broadcom/b43legacy/rfkill.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_RFKILL_H_ #define B43legacy_RFKILL_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/sysfs.h b/drivers/net/wireless/broadcom/b43legacy/sysfs.h index 417d509803c7..ea9d783e6796 100644 --- a/drivers/net/wireless/broadcom/b43legacy/sysfs.h +++ b/drivers/net/wireless/broadcom/b43legacy/sysfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_SYSFS_H_ #define B43legacy_SYSFS_H_ diff --git a/drivers/net/wireless/broadcom/b43legacy/xmit.h b/drivers/net/wireless/broadcom/b43legacy/xmit.h index 289db00a4a7b..e4ef869f0b8c 100644 --- a/drivers/net/wireless/broadcom/b43legacy/xmit.h +++ b/drivers/net/wireless/broadcom/b43legacy/xmit.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef B43legacy_XMIT_H_ #define B43legacy_XMIT_H_ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 613caca7dc02..785a0f33b7e6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3628,7 +3628,7 @@ static void brcmf_sdio_dataworker(struct work_struct *work) bus->dpc_running = true; wmb(); - while (ACCESS_ONCE(bus->dpc_triggered)) { + while (READ_ONCE(bus->dpc_triggered)) { bus->dpc_triggered = false; brcmf_sdio_dpc(bus); bus->idlecount = 0; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c index 74b17cecb189..c0a5449ed72c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/led.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <net/mac80211.h> #include <linux/bcma/bcma_driver_chipcommon.h> #include <linux/gpio.h> diff --git a/drivers/net/wireless/cisco/airo.h b/drivers/net/wireless/cisco/airo.h index e480adf86be6..8a02977a2e2b 100644 --- a/drivers/net/wireless/cisco/airo.h +++ b/drivers/net/wireless/cisco/airo.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AIRO_H_ #define _AIRO_H_ diff --git a/drivers/net/wireless/intel/ipw2x00/Makefile b/drivers/net/wireless/intel/ipw2x00/Makefile index aecd2cff462b..e1ec50359dff 100644 --- a/drivers/net/wireless/intel/ipw2x00/Makefile +++ b/drivers/net/wireless/intel/ipw2x00/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Intel Centrino wireless drivers # diff --git a/drivers/net/wireless/intel/iwlegacy/Makefile b/drivers/net/wireless/intel/iwlegacy/Makefile index c826a6b985bb..c5ad0453b334 100644 --- a/drivers/net/wireless/intel/iwlegacy/Makefile +++ b/drivers/net/wireless/intel/iwlegacy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IWLEGACY) += iwlegacy.o iwlegacy-objs := common.o iwlegacy-$(CONFIG_IWLEGACY_DEBUGFS) += debug.o diff --git a/drivers/net/wireless/intel/iwlwifi/Makefile b/drivers/net/wireless/intel/iwlwifi/Makefile index 35a32a3ec882..595b26b66bfc 100644 --- a/drivers/net/wireless/intel/iwlwifi/Makefile +++ b/drivers/net/wireless/intel/iwlwifi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # common obj-$(CONFIG_IWLWIFI) += iwlwifi.o iwlwifi-objs += iwl-io.o diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/Makefile b/drivers/net/wireless/intel/iwlwifi/dvm/Makefile index b256a354953a..702d42b2d452 100644 --- a/drivers/net/wireless/intel/iwlwifi/dvm/Makefile +++ b/drivers/net/wireless/intel/iwlwifi/dvm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # DVM obj-$(CONFIG_IWLDVM) += iwldvm.o iwldvm-objs += main.o rs.o mac80211.o ucode.o tx.o diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile index 00e6737dda72..a47635c32c11 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/Makefile +++ b/drivers/net/wireless/intel/iwlwifi/mvm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_IWLMVM) += iwlmvm.o iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o iwlmvm-y += utils.o rx.o rxmq.o tx.o binding.o quota.o sta.o sf.o diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 231878969332..0f45f34e39d3 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1118,7 +1118,7 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state) static bool iwl_mvm_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) { struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode); - bool calibrating = ACCESS_ONCE(mvm->calibrating); + bool calibrating = READ_ONCE(mvm->calibrating); if (state) set_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 6f2e2af23219..6e9d3289b9d0 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -652,7 +652,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) return -1; } else if (info.control.vif->type == NL80211_IFTYPE_STATION && is_multicast_ether_addr(hdr->addr1)) { - u8 ap_sta_id = ACCESS_ONCE(mvmvif->ap_sta_id); + u8 ap_sta_id = READ_ONCE(mvmvif->ap_sta_id); if (ap_sta_id != IWL_MVM_INVALID_STA) sta_id = ap_sta_id; @@ -700,7 +700,7 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb, snap_ip_tcp = 8 + skb_transport_header(skb) - skb_network_header(skb) + tcp_hdrlen(skb); - dbg_max_amsdu_len = ACCESS_ONCE(mvm->max_amsdu_len); + dbg_max_amsdu_len = READ_ONCE(mvm->max_amsdu_len); if (!sta->max_amsdu_len || !ieee80211_is_data_qos(hdr->frame_control) || diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index a06b6612b658..f25ce3a1ea50 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -1247,7 +1247,7 @@ restart: spin_lock(&rxq->lock); /* uCode's read index (stored in shared DRAM) indicates the last Rx * buffer that the driver may process (last buffer filled by ucode). */ - r = le16_to_cpu(ACCESS_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF; + r = le16_to_cpu(READ_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF; i = rxq->read; /* W/A 9000 device step A0 wrap-around bug */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 2e3e013ec95a..9ad3f4fe5894 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2076,12 +2076,12 @@ static int iwl_trans_pcie_wait_txq_empty(struct iwl_trans *trans, int txq_idx) IWL_DEBUG_TX_QUEUES(trans, "Emptying queue %d...\n", txq_idx); txq = trans_pcie->txq[txq_idx]; - wr_ptr = ACCESS_ONCE(txq->write_ptr); + wr_ptr = READ_ONCE(txq->write_ptr); - while (txq->read_ptr != ACCESS_ONCE(txq->write_ptr) && + while (txq->read_ptr != READ_ONCE(txq->write_ptr) && !time_after(jiffies, now + msecs_to_jiffies(IWL_FLUSH_WAIT_MS))) { - u8 write_ptr = ACCESS_ONCE(txq->write_ptr); + u8 write_ptr = READ_ONCE(txq->write_ptr); if (WARN_ONCE(wr_ptr != write_ptr, "WR pointer moved while flushing %d -> %d\n", @@ -2553,7 +2553,7 @@ static u32 iwl_trans_pcie_dump_rbs(struct iwl_trans *trans, spin_lock(&rxq->lock); - r = le16_to_cpu(ACCESS_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF; + r = le16_to_cpu(READ_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF; for (i = rxq->read, j = 0; i != r && j < allocated_rb_nums; @@ -2814,7 +2814,7 @@ static struct iwl_trans_dump_data /* Dump RBs is supported only for pre-9000 devices (1 queue) */ struct iwl_rxq *rxq = &trans_pcie->rxq[0]; /* RBs */ - num_rbs = le16_to_cpu(ACCESS_ONCE(rxq->rb_stts->closed_rb_num)) + num_rbs = le16_to_cpu(READ_ONCE(rxq->rb_stts->closed_rb_num)) & 0x0FFF; num_rbs = (num_rbs - rxq->read) & RX_QUEUE_MASK; len += num_rbs * (sizeof(*data) + diff --git a/drivers/net/wireless/intersil/hostap/Makefile b/drivers/net/wireless/intersil/hostap/Makefile index b8e41a702c00..ae3bb73b2d99 100644 --- a/drivers/net/wireless/intersil/hostap/Makefile +++ b/drivers/net/wireless/intersil/hostap/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 hostap-y := hostap_80211_rx.o hostap_80211_tx.o hostap_ap.o hostap_info.o \ hostap_ioctl.o hostap_main.o hostap_proc.o obj-$(CONFIG_HOSTAP) += hostap.o diff --git a/drivers/net/wireless/intersil/hostap/hostap.h b/drivers/net/wireless/intersil/hostap/hostap.h index ce8721fbc10e..8130d29c7989 100644 --- a/drivers/net/wireless/intersil/hostap/hostap.h +++ b/drivers/net/wireless/intersil/hostap/hostap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_H #define HOSTAP_H diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211.h b/drivers/net/wireless/intersil/hostap/hostap_80211.h index ed98ce7c8f65..1452cf6ecb07 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_80211.h +++ b/drivers/net/wireless/intersil/hostap/hostap_80211.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_80211_H #define HOSTAP_80211_H diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c b/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c index 6d8b64ca1a63..61be822f90b5 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/intersil/hostap/hostap_80211_rx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/etherdevice.h> #include <linux/slab.h> #include <linux/export.h> diff --git a/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c b/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c index c1b10d5117ad..c47da06945c2 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c +++ b/drivers/net/wireless/intersil/hostap/hostap_80211_tx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> #include <linux/export.h> #include <linux/etherdevice.h> diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.c b/drivers/net/wireless/intersil/hostap/hostap_ap.c index eb9cd6fa9c4d..1a8d8db80b05 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_ap.c +++ b/drivers/net/wireless/intersil/hostap/hostap_ap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Intersil Prism2 driver with Host AP (software access point) support * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen diff --git a/drivers/net/wireless/intersil/hostap/hostap_ap.h b/drivers/net/wireless/intersil/hostap/hostap_ap.h index 334e2d0b8e11..b7ac9e2f1a39 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_ap.h +++ b/drivers/net/wireless/intersil/hostap/hostap_ap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_AP_H #define HOSTAP_AP_H diff --git a/drivers/net/wireless/intersil/hostap/hostap_common.h b/drivers/net/wireless/intersil/hostap/hostap_common.h index 4230102ac9e4..22543538239b 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_common.h +++ b/drivers/net/wireless/intersil/hostap/hostap_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_COMMON_H #define HOSTAP_COMMON_H diff --git a/drivers/net/wireless/intersil/hostap/hostap_config.h b/drivers/net/wireless/intersil/hostap/hostap_config.h index 2c8f71f0ed45..3ebd55847fad 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_config.h +++ b/drivers/net/wireless/intersil/hostap/hostap_config.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_CONFIG_H #define HOSTAP_CONFIG_H diff --git a/drivers/net/wireless/intersil/hostap/hostap_download.c b/drivers/net/wireless/intersil/hostap/hostap_download.c index 705fe668b969..4507614a7c5a 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_download.c +++ b/drivers/net/wireless/intersil/hostap/hostap_download.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 static int prism2_enable_aux_port(struct net_device *dev, int enable) { u16 val, reg; diff --git a/drivers/net/wireless/intersil/hostap/hostap_info.c b/drivers/net/wireless/intersil/hostap/hostap_info.c index 7635ac4f6679..de8a099a9386 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_info.c +++ b/drivers/net/wireless/intersil/hostap/hostap_info.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Host AP driver Info Frame processing (part of hostap.o module) */ #include <linux/if_arp.h> diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c index ff153ce29539..c1bc0a6ef300 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* ioctl() (mostly Linux Wireless Extensions) routines for Host AP driver */ #include <linux/slab.h> diff --git a/drivers/net/wireless/intersil/hostap/hostap_proc.c b/drivers/net/wireless/intersil/hostap/hostap_proc.c index dd84557cf957..d234231bf532 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_proc.c +++ b/drivers/net/wireless/intersil/hostap/hostap_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* /proc routines for Host AP driver */ #include <linux/types.h> diff --git a/drivers/net/wireless/intersil/hostap/hostap_wlan.h b/drivers/net/wireless/intersil/hostap/hostap_wlan.h index 5352adb94d50..a8c4c1a8b29d 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_wlan.h +++ b/drivers/net/wireless/intersil/hostap/hostap_wlan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOSTAP_WLAN_H #define HOSTAP_WLAN_H diff --git a/drivers/net/wireless/intersil/orinoco/Makefile b/drivers/net/wireless/intersil/orinoco/Makefile index b7ecef820f76..0c29c56c88d6 100644 --- a/drivers/net/wireless/intersil/orinoco/Makefile +++ b/drivers/net/wireless/intersil/orinoco/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the orinoco wireless device drivers. # diff --git a/drivers/net/wireless/intersil/p54/Makefile b/drivers/net/wireless/intersil/p54/Makefile index b542e68f1781..d71651ff904e 100644 --- a/drivers/net/wireless/intersil/p54/Makefile +++ b/drivers/net/wireless/intersil/p54/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 p54common-objs := eeprom.o fwio.o txrx.o main.o p54common-$(CONFIG_P54_LEDS) += led.o diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 6467ffac9811..d2b3d6177a55 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1380,7 +1380,7 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw, mac80211_hwsim_monitor_rx(hw, skb, channel); /* wmediumd mode check */ - _portid = ACCESS_ONCE(data->wmediumd); + _portid = READ_ONCE(data->wmediumd); if (_portid) return mac80211_hwsim_tx_frame_nl(hw, skb, _portid); @@ -1477,7 +1477,7 @@ static void mac80211_hwsim_tx_frame(struct ieee80211_hw *hw, struct ieee80211_channel *chan) { struct mac80211_hwsim_data *data = hw->priv; - u32 _pid = ACCESS_ONCE(data->wmediumd); + u32 _pid = READ_ONCE(data->wmediumd); if (ieee80211_hw_check(hw, SUPPORTS_RC_TABLE)) { struct ieee80211_tx_info *txi = IEEE80211_SKB_CB(skb); diff --git a/drivers/net/wireless/marvell/libertas/Makefile b/drivers/net/wireless/marvell/libertas/Makefile index eac72f7bd341..41b9b440a542 100644 --- a/drivers/net/wireless/marvell/libertas/Makefile +++ b/drivers/net/wireless/marvell/libertas/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 libertas-y += cfg.o libertas-y += cmd.o libertas-y += cmdresp.o diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c index 71ba2c8d09b5..9f3a7b512673 100644 --- a/drivers/net/wireless/marvell/libertas/cfg.c +++ b/drivers/net/wireless/marvell/libertas/cfg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Implement cfg80211 ("iw") support. * diff --git a/drivers/net/wireless/marvell/libertas/cfg.h b/drivers/net/wireless/marvell/libertas/cfg.h index acccc2922401..0e48dc6d81d1 100644 --- a/drivers/net/wireless/marvell/libertas/cfg.h +++ b/drivers/net/wireless/marvell/libertas/cfg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LBS_CFG80211_H__ #define __LBS_CFG80211_H__ diff --git a/drivers/net/wireless/marvell/libertas/cmd.h b/drivers/net/wireless/marvell/libertas/cmd.h index 0c5444b02c64..80878561cb90 100644 --- a/drivers/net/wireless/marvell/libertas/cmd.h +++ b/drivers/net/wireless/marvell/libertas/cmd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2007, Red Hat, Inc. */ #ifndef _LBS_CMD_H_ diff --git a/drivers/net/wireless/marvell/libertas/cmdresp.c b/drivers/net/wireless/marvell/libertas/cmdresp.c index aaf01619de59..b73d08381398 100644 --- a/drivers/net/wireless/marvell/libertas/cmdresp.c +++ b/drivers/net/wireless/marvell/libertas/cmdresp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file contains the handling of command * responses as well as events generated by firmware. diff --git a/drivers/net/wireless/marvell/libertas/debugfs.c b/drivers/net/wireless/marvell/libertas/debugfs.c index faed1823c58e..c83f44f9ddf1 100644 --- a/drivers/net/wireless/marvell/libertas/debugfs.c +++ b/drivers/net/wireless/marvell/libertas/debugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/dcache.h> #include <linux/debugfs.h> #include <linux/delay.h> diff --git a/drivers/net/wireless/marvell/libertas/debugfs.h b/drivers/net/wireless/marvell/libertas/debugfs.h index f2b9c7ffe0fd..6efd1a66dad7 100644 --- a/drivers/net/wireless/marvell/libertas/debugfs.h +++ b/drivers/net/wireless/marvell/libertas/debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LBS_DEBUGFS_H_ #define _LBS_DEBUGFS_H_ diff --git a/drivers/net/wireless/marvell/libertas/decl.h b/drivers/net/wireless/marvell/libertas/decl.h index 84a3aa7ac570..5d1e30e0c5db 100644 --- a/drivers/net/wireless/marvell/libertas/decl.h +++ b/drivers/net/wireless/marvell/libertas/decl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file contains declaration referring to diff --git a/drivers/net/wireless/marvell/libertas/defs.h b/drivers/net/wireless/marvell/libertas/defs.h index d3221444e51c..58e2ead7b0cc 100644 --- a/drivers/net/wireless/marvell/libertas/defs.h +++ b/drivers/net/wireless/marvell/libertas/defs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This header file contains global constant/enum definitions, * global variable declaration. diff --git a/drivers/net/wireless/marvell/libertas/dev.h b/drivers/net/wireless/marvell/libertas/dev.h index edf710bc5e77..dd1ee1f0af48 100644 --- a/drivers/net/wireless/marvell/libertas/dev.h +++ b/drivers/net/wireless/marvell/libertas/dev.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file contains definitions and data structures specific * to Marvell 802.11 NIC. It contains the Device Information diff --git a/drivers/net/wireless/marvell/libertas/ethtool.c b/drivers/net/wireless/marvell/libertas/ethtool.c index 693868f16921..1bb8746a0b23 100644 --- a/drivers/net/wireless/marvell/libertas/ethtool.c +++ b/drivers/net/wireless/marvell/libertas/ethtool.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/hardirq.h> #include <linux/netdevice.h> #include <linux/ethtool.h> diff --git a/drivers/net/wireless/marvell/libertas/host.h b/drivers/net/wireless/marvell/libertas/host.h index 96726f79a1dd..a4fc3f79bb17 100644 --- a/drivers/net/wireless/marvell/libertas/host.h +++ b/drivers/net/wireless/marvell/libertas/host.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This file function prototypes, data structure * and definitions for all the host/station commands diff --git a/drivers/net/wireless/marvell/libertas/if_usb.h b/drivers/net/wireless/marvell/libertas/if_usb.h index 6e42eac331de..8dc14bec3e16 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.h +++ b/drivers/net/wireless/marvell/libertas/if_usb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LBS_IF_USB_H #define _LBS_IF_USB_H diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c index 37ace5cb309d..b0cb16ef8d1d 100644 --- a/drivers/net/wireless/marvell/libertas/mesh.c +++ b/drivers/net/wireless/marvell/libertas/mesh.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/delay.h> diff --git a/drivers/net/wireless/marvell/libertas/mesh.h b/drivers/net/wireless/marvell/libertas/mesh.h index 6603f341c874..dfe22c91aade 100644 --- a/drivers/net/wireless/marvell/libertas/mesh.h +++ b/drivers/net/wireless/marvell/libertas/mesh.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Contains all definitions needed for the Libertas' MESH implementation. */ diff --git a/drivers/net/wireless/marvell/libertas/radiotap.h b/drivers/net/wireless/marvell/libertas/radiotap.h index b3c8ea6d610e..1ed5608d353f 100644 --- a/drivers/net/wireless/marvell/libertas/radiotap.h +++ b/drivers/net/wireless/marvell/libertas/radiotap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <net/ieee80211_radiotap.h> struct tx_radiotap_hdr { diff --git a/drivers/net/wireless/marvell/libertas/types.h b/drivers/net/wireless/marvell/libertas/types.h index cf1d9b047ee6..cd4ceb6f885d 100644 --- a/drivers/net/wireless/marvell/libertas/types.h +++ b/drivers/net/wireless/marvell/libertas/types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This header file contains definition for global types */ diff --git a/drivers/net/wireless/marvell/libertas_tf/deb_defs.h b/drivers/net/wireless/marvell/libertas_tf/deb_defs.h index 4bd3dc5adf7c..37a98e228b46 100644 --- a/drivers/net/wireless/marvell/libertas_tf/deb_defs.h +++ b/drivers/net/wireless/marvell/libertas_tf/deb_defs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /** * This header file contains global constant/enum definitions, * global variable declaration. diff --git a/drivers/net/wireless/quantenna/qtnfmac/Makefile b/drivers/net/wireless/quantenna/qtnfmac/Makefile index f236b7dc2be3..97f760a3d599 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/Makefile +++ b/drivers/net/wireless/quantenna/qtnfmac/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Copyright (c) 2015-2016 Quantenna Communications, Inc. # All rights reserved. diff --git a/drivers/net/wireless/ralink/rt2x00/Makefile b/drivers/net/wireless/ralink/rt2x00/Makefile index 24a66015a495..de030ebcdf6e 100644 --- a/drivers/net/wireless/ralink/rt2x00/Makefile +++ b/drivers/net/wireless/ralink/rt2x00/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rt2x00lib-y += rt2x00dev.o rt2x00lib-y += rt2x00mac.o rt2x00lib-y += rt2x00config.o diff --git a/drivers/net/wireless/ray_cs.h b/drivers/net/wireless/ray_cs.h index 524c2f02dd82..0609d8625019 100644 --- a/drivers/net/wireless/ray_cs.h +++ b/drivers/net/wireless/ray_cs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Raytheon wireless LAN PCMCIA card driver for Linux A PCMCIA client driver for the Raylink wireless network card Written by Corey Thomas diff --git a/drivers/net/wireless/rayctl.h b/drivers/net/wireless/rayctl.h index b21ed64e15df..668444f6bf07 100644 --- a/drivers/net/wireless/rayctl.h +++ b/drivers/net/wireless/rayctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RAYCTL_H_ #define _RAYCTL_H_ diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h index e8243a44d6b6..7948a2da195a 100644 --- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h +++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8180.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef RTL8180_H #define RTL8180_H diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h index 310013a2d726..de7727b74631 100644 --- a/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h +++ b/drivers/net/wireless/realtek/rtl818x/rtl8180/rtl8225.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef RTL8180_RTL8225_H #define RTL8180_RTL8225_H diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h b/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h index e12575e96d11..c493e59eede9 100644 --- a/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h +++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/rfkill.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef RTL8187_RFKILL_H #define RTL8187_RFKILL_H diff --git a/drivers/net/wireless/realtek/rtlwifi/Makefile b/drivers/net/wireless/realtek/rtlwifi/Makefile index 84c2e826fa1d..09c30e428375 100644 --- a/drivers/net/wireless/realtek/rtlwifi/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_RTLWIFI) += rtlwifi.o rtlwifi-objs := \ base.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile b/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile index 20582df0465c..d15c58737388 100644 --- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 btcoexist-objs := halbtc8192e2ant.o \ halbtc8723b1ant.o \ halbtc8723b2ant.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile index dae4f0f19cd3..5ea368e8e64b 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8188ee/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8188ee-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile index 0546b7556259..40f075527fc8 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192c/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8192c-common-objs := \ main.o \ dm_common.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile index 577c7adbc322..bc307ccc5e83 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ce/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8192ce-objs := \ dm.o \ hw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile index 97437dadc287..8b3921fd2cb6 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192cu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8192cu-objs := \ dm.o \ hw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile index d0703f20d30c..6482d823a57a 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8192de-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile index f254b9f64326..12dfbeb1f3ca 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192ee/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8192ee-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile index dfa9dbbe2cdf..e577235f5286 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192se/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8192se-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile index e7607d2cb2ef..d1238707291f 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8723ae-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile index a841cbd55d8e..d3ed44d80011 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723be/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8723be-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile index 73da75526e2a..3451198b670c 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723com/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8723-common-objs := \ main.o \ dm_common.o \ diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile index 8ca406b95f02..81dbf4ca6bc6 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8821ae/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtl8821ae-objs := \ dm.o \ fw.o \ diff --git a/drivers/net/wireless/rsi/Makefile b/drivers/net/wireless/rsi/Makefile index ebb89965997a..47c45908d894 100644 --- a/drivers/net/wireless/rsi/Makefile +++ b/drivers/net/wireless/rsi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rsi_91x-y += rsi_91x_main.o rsi_91x-y += rsi_91x_core.o rsi_91x-y += rsi_91x_mac80211.o diff --git a/drivers/net/wireless/st/cw1200/Makefile b/drivers/net/wireless/st/cw1200/Makefile index b086aac6547a..386a484e0707 100644 --- a/drivers/net/wireless/st/cw1200/Makefile +++ b/drivers/net/wireless/st/cw1200/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 cw1200_core-y := \ fwio.o \ txrx.o \ diff --git a/drivers/net/wireless/ti/Makefile b/drivers/net/wireless/ti/Makefile index af14231aeede..0530dd744275 100644 --- a/drivers/net/wireless/ti/Makefile +++ b/drivers/net/wireless/ti/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_WLCORE) += wlcore/ obj-$(CONFIG_WL12XX) += wl12xx/ obj-$(CONFIG_WL1251) += wl1251/ diff --git a/drivers/net/wireless/ti/wl1251/Makefile b/drivers/net/wireless/ti/wl1251/Makefile index 58b4f935a3f6..38da9f8e5f82 100644 --- a/drivers/net/wireless/ti/wl1251/Makefile +++ b/drivers/net/wireless/ti/wl1251/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 wl1251-objs = main.o event.o tx.o rx.o ps.o cmd.o \ acx.o boot.o init.o debugfs.o io.o wl1251_spi-objs += spi.o diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c index d6fbdda2cba3..f78fc3880423 100644 --- a/drivers/net/wireless/ti/wl1251/acx.c +++ b/drivers/net/wireless/ti/wl1251/acx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "acx.h" #include <linux/module.h> diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c index ede31f048ef9..9547aea01b0f 100644 --- a/drivers/net/wireless/ti/wl1251/cmd.c +++ b/drivers/net/wireless/ti/wl1251/cmd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "cmd.h" #include <linux/module.h> diff --git a/drivers/net/wireless/ti/wl1251/wl12xx_80211.h b/drivers/net/wireless/ti/wl1251/wl12xx_80211.h index 04ed51495772..7fabe702c4cc 100644 --- a/drivers/net/wireless/ti/wl1251/wl12xx_80211.h +++ b/drivers/net/wireless/ti/wl1251/wl12xx_80211.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __WL12XX_80211_H__ #define __WL12XX_80211_H__ diff --git a/drivers/net/wireless/ti/wlcore/Makefile b/drivers/net/wireless/ti/wlcore/Makefile index e286713b3c18..7d418c57bcb5 100644 --- a/drivers/net/wireless/ti/wlcore/Makefile +++ b/drivers/net/wireless/ti/wlcore/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 wlcore-objs = main.o cmd.o io.o event.o tx.o rx.o ps.o acx.o \ boot.o init.o debugfs.o scan.o sysfs.o vendor_cmd.o diff --git a/drivers/net/wireless/ti/wlcore/wl12xx_80211.h b/drivers/net/wireless/ti/wlcore/wl12xx_80211.h index 22b0bc98d7b5..181be725eff8 100644 --- a/drivers/net/wireless/ti/wlcore/wl12xx_80211.h +++ b/drivers/net/wireless/ti/wlcore/wl12xx_80211.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __WL12XX_80211_H__ #define __WL12XX_80211_H__ diff --git a/drivers/net/wireless/wl3501.h b/drivers/net/wireless/wl3501.h index 3fbfd19818f1..efdce9ae36ea 100644 --- a/drivers/net/wireless/wl3501.h +++ b/drivers/net/wireless/wl3501.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __WL3501_H__ #define __WL3501_H__ diff --git a/drivers/net/wireless/zydas/zd1211rw/Makefile b/drivers/net/wireless/zydas/zd1211rw/Makefile index 5728a918e508..1647a449ce1a 100644 --- a/drivers/net/wireless/zydas/zd1211rw/Makefile +++ b/drivers/net/wireless/zydas/zd1211rw/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ZD1211RW) += zd1211rw.o zd1211rw-objs := zd_chip.o zd_mac.o \ diff --git a/drivers/nfc/Makefile b/drivers/nfc/Makefile index 640b7274371c..5393ba59b17d 100644 --- a/drivers/nfc/Makefile +++ b/drivers/nfc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for nfc devices # diff --git a/drivers/nfc/mei_phy.h b/drivers/nfc/mei_phy.h index acd3a1fc69e6..51bd44f5f3b8 100644 --- a/drivers/nfc/mei_phy.h +++ b/drivers/nfc/mei_phy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LOCAL_MEI_PHY_H_ #define __LOCAL_MEI_PHY_H_ diff --git a/drivers/nfc/microread/Makefile b/drivers/nfc/microread/Makefile index 755c24cba253..2f7dda265f8f 100644 --- a/drivers/nfc/microread/Makefile +++ b/drivers/nfc/microread/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Microread HCI based NFC driver # diff --git a/drivers/nfc/nfcmrvl/Makefile b/drivers/nfc/nfcmrvl/Makefile index fa07c7806492..e74de0cb3bb0 100644 --- a/drivers/nfc/nfcmrvl/Makefile +++ b/drivers/nfc/nfcmrvl/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for NFCMRVL NCI based NFC driver # diff --git a/drivers/nfc/st-nci/Makefile b/drivers/nfc/st-nci/Makefile index 439b2fa8654a..e0310743fed1 100644 --- a/drivers/nfc/st-nci/Makefile +++ b/drivers/nfc/st-nci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for ST_NCI NCI based NFC driver # diff --git a/drivers/nubus/nubus.c b/drivers/nubus/nubus.c index df431e8a0631..b793727cd4f7 100644 --- a/drivers/nubus/nubus.c +++ b/drivers/nubus/nubus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Macintosh Nubus Interface Code * @@ -18,11 +19,6 @@ #include <asm/setup.h> #include <asm/page.h> #include <asm/hwtest.h> -#include <asm/mac_via.h> -#include <asm/mac_oss.h> - -extern void via_nubus_init(void); -extern void oss_nubus_init(void); /* Constants */ @@ -840,14 +836,6 @@ static int __init nubus_init(void) if (!MACH_IS_MAC) return 0; - /* Initialize the NuBus interrupts */ - if (oss_present) { - oss_nubus_init(); - } else { - via_nubus_init(); - } - - /* And probe */ pr_info("NuBus: Scanning NuBus slots.\n"); nubus_devices = NULL; nubus_boards = NULL; diff --git a/drivers/nubus/proc.c b/drivers/nubus/proc.c index e8f68f5732f1..004a122ac0ff 100644 --- a/drivers/nubus/proc.c +++ b/drivers/nubus/proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* drivers/nubus/proc.c: Proc FS interface for NuBus. By David Huggins-Daines <dhd@debian.org> diff --git a/drivers/nvdimm/Makefile b/drivers/nvdimm/Makefile index 909554c3f955..447e0e14f3b6 100644 --- a/drivers/nvdimm/Makefile +++ b/drivers/nvdimm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o obj-$(CONFIG_ND_BTT) += nd_btt.o diff --git a/drivers/nvdimm/pmem.h b/drivers/nvdimm/pmem.h index c5917f040fa7..6a3cd2a10db6 100644 --- a/drivers/nvdimm/pmem.h +++ b/drivers/nvdimm/pmem.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NVDIMM_PMEM_H__ #define __NVDIMM_PMEM_H__ #include <linux/badblocks.h> diff --git a/drivers/nvme/host/Makefile b/drivers/nvme/host/Makefile index cc0aacb4c8b4..7b96e4588a12 100644 --- a/drivers/nvme/host/Makefile +++ b/drivers/nvme/host/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NVME_CORE) += nvme-core.o obj-$(CONFIG_BLK_DEV_NVME) += nvme.o obj-$(CONFIG_NVME_FABRICS) += nvme-fabrics.o diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 5a14cc7f28ee..37f9039bb9ca 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1249,6 +1249,7 @@ static int nvme_revalidate_disk(struct gendisk *disk) goto out; } + __nvme_revalidate_disk(disk, id); nvme_report_ns_ids(ctrl, ns->ns_id, id, eui64, nguid, &uuid); if (!uuid_equal(&ns->uuid, &uuid) || memcmp(&ns->nguid, &nguid, sizeof(ns->nguid)) || diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index af075e998944..be49d0f79381 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2545,10 +2545,10 @@ nvme_fc_delete_association(struct nvme_fc_ctrl *ctrl) nvme_fc_abort_aen_ops(ctrl); /* wait for all io that had to be aborted */ - spin_lock_irqsave(&ctrl->lock, flags); + spin_lock_irq(&ctrl->lock); wait_event_lock_irq(ctrl->ioabort_wait, ctrl->iocnt == 0, ctrl->lock); ctrl->flags &= ~FCCTRL_TERMIO; - spin_unlock_irqrestore(&ctrl->lock, flags); + spin_unlock_irq(&ctrl->lock); nvme_fc_term_aen_ops(ctrl); @@ -2734,7 +2734,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, { struct nvme_fc_ctrl *ctrl; unsigned long flags; - int ret, idx; + int ret, idx, retry; if (!(rport->remoteport.port_role & (FC_PORT_ROLE_NVME_DISCOVERY | FC_PORT_ROLE_NVME_TARGET))) { @@ -2760,6 +2760,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, ctrl->rport = rport; ctrl->dev = lport->dev; ctrl->cnum = idx; + init_waitqueue_head(&ctrl->ioabort_wait); get_device(ctrl->dev); kref_init(&ctrl->ref); @@ -2825,9 +2826,37 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, list_add_tail(&ctrl->ctrl_list, &rport->ctrl_list); spin_unlock_irqrestore(&rport->lock, flags); - ret = nvme_fc_create_association(ctrl); + /* + * It's possible that transactions used to create the association + * may fail. Examples: CreateAssociation LS or CreateIOConnection + * LS gets dropped/corrupted/fails; or a frame gets dropped or a + * command times out for one of the actions to init the controller + * (Connect, Get/Set_Property, Set_Features, etc). Many of these + * transport errors (frame drop, LS failure) inherently must kill + * the association. The transport is coded so that any command used + * to create the association (prior to a LIVE state transition + * while NEW or RECONNECTING) will fail if it completes in error or + * times out. + * + * As such: as the connect request was mostly likely due to a + * udev event that discovered the remote port, meaning there is + * not an admin or script there to restart if the connect + * request fails, retry the initial connection creation up to + * three times before giving up and declaring failure. + */ + for (retry = 0; retry < 3; retry++) { + ret = nvme_fc_create_association(ctrl); + if (!ret) + break; + } + if (ret) { + /* couldn't schedule retry - fail out */ + dev_err(ctrl->ctrl.device, + "NVME-FC{%d}: Connect retry failed\n", ctrl->cnum); + ctrl->ctrl.opts = NULL; + /* initiate nvme ctrl ref counting teardown */ nvme_uninit_ctrl(&ctrl->ctrl); nvme_put_ctrl(&ctrl->ctrl); diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 92a03ff5fb4d..0ebb539f3bd3 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -571,6 +571,12 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue) if (test_and_set_bit(NVME_RDMA_Q_DELETING, &queue->flags)) return; + if (nvme_rdma_queue_idx(queue) == 0) { + nvme_rdma_free_qe(queue->device->dev, + &queue->ctrl->async_event_sqe, + sizeof(struct nvme_command), DMA_TO_DEVICE); + } + nvme_rdma_destroy_queue_ib(queue); rdma_destroy_id(queue->cm_id); } @@ -739,8 +745,6 @@ out: static void nvme_rdma_destroy_admin_queue(struct nvme_rdma_ctrl *ctrl, bool remove) { - nvme_rdma_free_qe(ctrl->queues[0].device->dev, &ctrl->async_event_sqe, - sizeof(struct nvme_command), DMA_TO_DEVICE); nvme_rdma_stop_queue(&ctrl->queues[0]); if (remove) { blk_cleanup_queue(ctrl->ctrl.admin_q); @@ -765,8 +769,10 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl, if (new) { ctrl->ctrl.admin_tagset = nvme_rdma_alloc_tagset(&ctrl->ctrl, true); - if (IS_ERR(ctrl->ctrl.admin_tagset)) + if (IS_ERR(ctrl->ctrl.admin_tagset)) { + error = PTR_ERR(ctrl->ctrl.admin_tagset); goto out_free_queue; + } ctrl->ctrl.admin_q = blk_mq_init_queue(&ctrl->admin_tag_set); if (IS_ERR(ctrl->ctrl.admin_q)) { @@ -846,8 +852,10 @@ static int nvme_rdma_configure_io_queues(struct nvme_rdma_ctrl *ctrl, bool new) if (new) { ctrl->ctrl.tagset = nvme_rdma_alloc_tagset(&ctrl->ctrl, false); - if (IS_ERR(ctrl->ctrl.tagset)) + if (IS_ERR(ctrl->ctrl.tagset)) { + ret = PTR_ERR(ctrl->ctrl.tagset); goto out_free_io_queues; + } ctrl->ctrl.connect_q = blk_mq_init_queue(&ctrl->tag_set); if (IS_ERR(ctrl->ctrl.connect_q)) { @@ -1606,12 +1614,15 @@ nvme_rdma_queue_is_ready(struct nvme_rdma_queue *queue, struct request *rq) /* * reconnecting state means transport disruption, which * can take a long time and even might fail permanently, - * so we can't let incoming I/O be requeued forever. - * fail it fast to allow upper layers a chance to - * failover. + * fail fast to give upper layers a chance to failover. + * deleting state means that the ctrl will never accept + * commands again, fail it permanently. */ - if (queue->ctrl->ctrl.state == NVME_CTRL_RECONNECTING) + if (queue->ctrl->ctrl.state == NVME_CTRL_RECONNECTING || + queue->ctrl->ctrl.state == NVME_CTRL_DELETING) { + nvme_req(rq)->status = NVME_SC_ABORT_REQ; return BLK_STS_IOERR; + } return BLK_STS_RESOURCE; /* try again later */ } } diff --git a/drivers/nvme/target/Makefile b/drivers/nvme/target/Makefile index fecc14f535b2..488250189c99 100644 --- a/drivers/nvme/target/Makefile +++ b/drivers/nvme/target/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_NVME_TARGET) += nvmet.o obj-$(CONFIG_NVME_TARGET_LOOP) += nvme-loop.o diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 1b208beeef50..645ba7eee35d 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -387,12 +387,21 @@ struct nvmet_ns *nvmet_ns_alloc(struct nvmet_subsys *subsys, u32 nsid) static void __nvmet_req_complete(struct nvmet_req *req, u16 status) { + u32 old_sqhd, new_sqhd; + u16 sqhd; + if (status) nvmet_set_status(req, status); - if (req->sq->size) - req->sq->sqhd = (req->sq->sqhd + 1) % req->sq->size; - req->rsp->sq_head = cpu_to_le16(req->sq->sqhd); + if (req->sq->size) { + do { + old_sqhd = req->sq->sqhd; + new_sqhd = (old_sqhd + 1) % req->sq->size; + } while (cmpxchg(&req->sq->sqhd, old_sqhd, new_sqhd) != + old_sqhd); + } + sqhd = req->sq->sqhd & 0x0000FFFF; + req->rsp->sq_head = cpu_to_le16(sqhd); req->rsp->sq_id = cpu_to_le16(req->sq->qid); req->rsp->command_id = req->cmd->common.command_id; diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 7b8e20adf760..87e429bfcd8a 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -74,7 +74,7 @@ struct nvmet_sq { struct percpu_ref ref; u16 qid; u16 size; - u16 sqhd; + u32 sqhd; struct completion free_done; struct completion confirm_done; }; diff --git a/drivers/nvmem/Makefile b/drivers/nvmem/Makefile index 173140658693..6f7a77fb3ee7 100644 --- a/drivers/nvmem/Makefile +++ b/drivers/nvmem/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for nvmem drivers. # diff --git a/drivers/of/Makefile b/drivers/of/Makefile index 97dc01c81438..8f19d342eed8 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y = base.o device.o platform.o property.o obj-$(CONFIG_OF_DYNAMIC) += dynamic.o obj-$(CONFIG_OF_FLATTREE) += fdt.o diff --git a/drivers/of/property.c b/drivers/of/property.c index 264c355ba1ff..8ad33a44a7b8 100644 --- a/drivers/of/property.c +++ b/drivers/of/property.c @@ -817,9 +817,9 @@ struct device_node *of_graph_get_remote_node(const struct device_node *node, } EXPORT_SYMBOL(of_graph_get_remote_node); -static void of_fwnode_get(struct fwnode_handle *fwnode) +static struct fwnode_handle *of_fwnode_get(struct fwnode_handle *fwnode) { - of_node_get(to_of_node(fwnode)); + return of_fwnode_handle(of_node_get(to_of_node(fwnode))); } static void of_fwnode_put(struct fwnode_handle *fwnode) diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile index 2d135fba94c1..3031fc2f18f6 100644 --- a/drivers/of/unittest-data/Makefile +++ b/drivers/of/unittest-data/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += testcases.dtb.o targets += testcases.dtb testcases.dtb.S diff --git a/drivers/of/unittest-data/overlay.dts b/drivers/of/unittest-data/overlay.dts index 9e791fcf05dd..ab5e89b5e27e 100644 --- a/drivers/of/unittest-data/overlay.dts +++ b/drivers/of/unittest-data/overlay.dts @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /dts-v1/; /plugin/; diff --git a/drivers/of/unittest-data/overlay_bad_phandle.dts b/drivers/of/unittest-data/overlay_bad_phandle.dts index 270ee885a623..4d5b99723bad 100644 --- a/drivers/of/unittest-data/overlay_bad_phandle.dts +++ b/drivers/of/unittest-data/overlay_bad_phandle.dts @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /dts-v1/; /plugin/; diff --git a/drivers/of/unittest-data/overlay_base.dts b/drivers/of/unittest-data/overlay_base.dts index 453d0bd83320..820b79ca378a 100644 --- a/drivers/of/unittest-data/overlay_base.dts +++ b/drivers/of/unittest-data/overlay_base.dts @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /dts-v1/; /plugin/; diff --git a/drivers/of/unittest-data/testcases.dts b/drivers/of/unittest-data/testcases.dts index 12f7c3d649c8..ce49463d9d32 100644 --- a/drivers/of/unittest-data/testcases.dts +++ b/drivers/of/unittest-data/testcases.dts @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /dts-v1/; / { testcase-data { diff --git a/drivers/of/unittest-data/tests-interrupts.dtsi b/drivers/of/unittest-data/tests-interrupts.dtsi index da4695f60351..ec175e800725 100644 --- a/drivers/of/unittest-data/tests-interrupts.dtsi +++ b/drivers/of/unittest-data/tests-interrupts.dtsi @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 / { testcase-data { diff --git a/drivers/of/unittest-data/tests-match.dtsi b/drivers/of/unittest-data/tests-match.dtsi index c9e541129534..1fd3b21313f5 100644 --- a/drivers/of/unittest-data/tests-match.dtsi +++ b/drivers/of/unittest-data/tests-match.dtsi @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 / { testcase-data { diff --git a/drivers/of/unittest-data/tests-overlay.dtsi b/drivers/of/unittest-data/tests-overlay.dtsi index 02ba56c20fe1..7b8001ab9f3a 100644 --- a/drivers/of/unittest-data/tests-overlay.dtsi +++ b/drivers/of/unittest-data/tests-overlay.dtsi @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 / { testcase-data { diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi index 5b1527e8a7fb..3c2f09e56b61 100644 --- a/drivers/of/unittest-data/tests-phandle.dtsi +++ b/drivers/of/unittest-data/tests-phandle.dtsi @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 / { aliases { diff --git a/drivers/of/unittest-data/tests-platform.dtsi b/drivers/of/unittest-data/tests-platform.dtsi index a0c93822aee3..fa39611071b3 100644 --- a/drivers/of/unittest-data/tests-platform.dtsi +++ b/drivers/of/unittest-data/tests-platform.dtsi @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 / { testcase-data { diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 29a35cb1da64..168ef0bbabde 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Self tests for device tree subsystem */ diff --git a/drivers/opp/Kconfig b/drivers/opp/Kconfig new file mode 100644 index 000000000000..a7fbb93f302c --- /dev/null +++ b/drivers/opp/Kconfig @@ -0,0 +1,13 @@ +config PM_OPP + bool + select SRCU + ---help--- + SOCs have a standard set of tuples consisting of frequency and + voltage pairs that the device will support per voltage domain. This + is called Operating Performance Point or OPP. The actual definitions + of OPP varies over silicon within the same family of devices. + + OPP layer organizes the data internally using device pointers + representing individual voltage domains and provides SOC + implementations a ready to use framework to manage OPPs. + For more information, read <file:Documentation/power/opp.txt> diff --git a/drivers/base/power/opp/Makefile b/drivers/opp/Makefile index e70ceb406fe9..e70ceb406fe9 100644 --- a/drivers/base/power/opp/Makefile +++ b/drivers/opp/Makefile diff --git a/drivers/base/power/opp/core.c b/drivers/opp/core.c index a6de32530693..92fa94a6dcc1 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/opp/core.c @@ -19,6 +19,7 @@ #include <linux/slab.h> #include <linux/device.h> #include <linux/export.h> +#include <linux/pm_domain.h> #include <linux/regulator/consumer.h> #include "opp.h" @@ -296,7 +297,7 @@ int dev_pm_opp_get_opp_count(struct device *dev) opp_table = _find_opp_table(dev); if (IS_ERR(opp_table)) { count = PTR_ERR(opp_table); - dev_err(dev, "%s: OPP table not found (%d)\n", + dev_dbg(dev, "%s: OPP table not found (%d)\n", __func__, count); return count; } @@ -535,6 +536,44 @@ _generic_set_opp_clk_only(struct device *dev, struct clk *clk, return ret; } +static inline int +_generic_set_opp_domain(struct device *dev, struct clk *clk, + unsigned long old_freq, unsigned long freq, + unsigned int old_pstate, unsigned int new_pstate) +{ + int ret; + + /* Scaling up? Scale domain performance state before frequency */ + if (freq > old_freq) { + ret = dev_pm_genpd_set_performance_state(dev, new_pstate); + if (ret) + return ret; + } + + ret = _generic_set_opp_clk_only(dev, clk, old_freq, freq); + if (ret) + goto restore_domain_state; + + /* Scaling down? Scale domain performance state after frequency */ + if (freq < old_freq) { + ret = dev_pm_genpd_set_performance_state(dev, new_pstate); + if (ret) + goto restore_freq; + } + + return 0; + +restore_freq: + if (_generic_set_opp_clk_only(dev, clk, freq, old_freq)) + dev_err(dev, "%s: failed to restore old-freq (%lu Hz)\n", + __func__, old_freq); +restore_domain_state: + if (freq > old_freq) + dev_pm_genpd_set_performance_state(dev, old_pstate); + + return ret; +} + static int _generic_set_opp_regulator(const struct opp_table *opp_table, struct device *dev, unsigned long old_freq, @@ -653,7 +692,16 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) /* Only frequency scaling */ if (!opp_table->regulators) { - ret = _generic_set_opp_clk_only(dev, clk, old_freq, freq); + /* + * We don't support devices with both regulator and + * domain performance-state for now. + */ + if (opp_table->genpd_performance_state) + ret = _generic_set_opp_domain(dev, clk, old_freq, freq, + IS_ERR(old_opp) ? 0 : old_opp->pstate, + opp->pstate); + else + ret = _generic_set_opp_clk_only(dev, clk, old_freq, freq); } else if (!opp_table->set_opp) { ret = _generic_set_opp_regulator(opp_table, dev, old_freq, freq, IS_ERR(old_opp) ? NULL : old_opp->supplies, @@ -988,6 +1036,9 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, return ret; } + if (opp_table->get_pstate) + new_opp->pstate = opp_table->get_pstate(dev, new_opp->rate); + list_add(&new_opp->node, head); mutex_unlock(&opp_table->lock); @@ -1476,13 +1527,13 @@ err: EXPORT_SYMBOL_GPL(dev_pm_opp_register_set_opp_helper); /** - * dev_pm_opp_register_put_opp_helper() - Releases resources blocked for + * dev_pm_opp_unregister_set_opp_helper() - Releases resources blocked for * set_opp helper * @opp_table: OPP table returned from dev_pm_opp_register_set_opp_helper(). * * Release resources blocked for platform specific set_opp helper. */ -void dev_pm_opp_register_put_opp_helper(struct opp_table *opp_table) +void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) { if (!opp_table->set_opp) { pr_err("%s: Doesn't have custom set_opp helper set\n", @@ -1497,7 +1548,82 @@ void dev_pm_opp_register_put_opp_helper(struct opp_table *opp_table) dev_pm_opp_put_opp_table(opp_table); } -EXPORT_SYMBOL_GPL(dev_pm_opp_register_put_opp_helper); +EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_set_opp_helper); + +/** + * dev_pm_opp_register_get_pstate_helper() - Register get_pstate() helper. + * @dev: Device for which the helper is getting registered. + * @get_pstate: Helper. + * + * TODO: Remove this callback after the same information is available via Device + * Tree. + * + * This allows a platform to initialize the performance states of individual + * OPPs for its devices, until we get similar information directly from DT. + * + * This must be called before the OPPs are initialized for the device. + */ +struct opp_table *dev_pm_opp_register_get_pstate_helper(struct device *dev, + int (*get_pstate)(struct device *dev, unsigned long rate)) +{ + struct opp_table *opp_table; + int ret; + + if (!get_pstate) + return ERR_PTR(-EINVAL); + + opp_table = dev_pm_opp_get_opp_table(dev); + if (!opp_table) + return ERR_PTR(-ENOMEM); + + /* This should be called before OPPs are initialized */ + if (WARN_ON(!list_empty(&opp_table->opp_list))) { + ret = -EBUSY; + goto err; + } + + /* Already have genpd_performance_state set */ + if (WARN_ON(opp_table->genpd_performance_state)) { + ret = -EBUSY; + goto err; + } + + opp_table->genpd_performance_state = true; + opp_table->get_pstate = get_pstate; + + return opp_table; + +err: + dev_pm_opp_put_opp_table(opp_table); + + return ERR_PTR(ret); +} +EXPORT_SYMBOL_GPL(dev_pm_opp_register_get_pstate_helper); + +/** + * dev_pm_opp_unregister_get_pstate_helper() - Releases resources blocked for + * get_pstate() helper + * @opp_table: OPP table returned from dev_pm_opp_register_get_pstate_helper(). + * + * Release resources blocked for platform specific get_pstate() helper. + */ +void dev_pm_opp_unregister_get_pstate_helper(struct opp_table *opp_table) +{ + if (!opp_table->genpd_performance_state) { + pr_err("%s: Doesn't have performance states set\n", + __func__); + return; + } + + /* Make sure there are no concurrent readers while updating opp_table */ + WARN_ON(!list_empty(&opp_table->opp_list)); + + opp_table->genpd_performance_state = false; + opp_table->get_pstate = NULL; + + dev_pm_opp_put_opp_table(opp_table); +} +EXPORT_SYMBOL_GPL(dev_pm_opp_unregister_get_pstate_helper); /** * dev_pm_opp_add() - Add an OPP table from a table definitions @@ -1706,6 +1832,13 @@ void _dev_pm_opp_remove_table(struct opp_table *opp_table, struct device *dev, if (remove_all || !opp->dynamic) dev_pm_opp_put(opp); } + + /* + * The OPP table is getting removed, drop the performance state + * constraints. + */ + if (opp_table->genpd_performance_state) + dev_pm_genpd_set_performance_state(dev, 0); } else { _remove_opp_dev(_find_opp_dev(dev, opp_table), opp_table); } diff --git a/drivers/base/power/opp/cpu.c b/drivers/opp/cpu.c index 2d87bc1adf38..2d87bc1adf38 100644 --- a/drivers/base/power/opp/cpu.c +++ b/drivers/opp/cpu.c diff --git a/drivers/base/power/opp/debugfs.c b/drivers/opp/debugfs.c index 81cf120fcf43..b03c03576a62 100644 --- a/drivers/base/power/opp/debugfs.c +++ b/drivers/opp/debugfs.c @@ -41,16 +41,15 @@ static bool opp_debug_create_supplies(struct dev_pm_opp *opp, { struct dentry *d; int i; - char *name; for (i = 0; i < opp_table->regulator_count; i++) { - name = kasprintf(GFP_KERNEL, "supply-%d", i); + char name[15]; + + snprintf(name, sizeof(name), "supply-%d", i); /* Create per-opp directory */ d = debugfs_create_dir(name, pdentry); - kfree(name); - if (!d) return false; @@ -100,6 +99,9 @@ int opp_debug_create_one(struct dev_pm_opp *opp, struct opp_table *opp_table) if (!debugfs_create_bool("suspend", S_IRUGO, d, &opp->suspend)) return -ENOMEM; + if (!debugfs_create_u32("performance_state", S_IRUGO, d, &opp->pstate)) + return -ENOMEM; + if (!debugfs_create_ulong("rate_hz", S_IRUGO, d, &opp->rate)) return -ENOMEM; diff --git a/drivers/base/power/opp/of.c b/drivers/opp/of.c index 0b718886479b..cb716aa2f44b 100644 --- a/drivers/base/power/opp/of.c +++ b/drivers/opp/of.c @@ -16,7 +16,7 @@ #include <linux/cpu.h> #include <linux/errno.h> #include <linux/device.h> -#include <linux/of.h> +#include <linux/of_device.h> #include <linux/slab.h> #include <linux/export.h> @@ -397,6 +397,7 @@ static int _of_add_opp_table_v2(struct device *dev, struct device_node *opp_np) dev_err(dev, "%s: Failed to add OPP, %d\n", __func__, ret); _dev_pm_opp_remove_table(opp_table, dev, false); + of_node_put(np); goto put_opp_table; } } @@ -603,7 +604,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, if (cpu == cpu_dev->id) continue; - cpu_np = of_get_cpu_node(cpu, NULL); + cpu_np = of_cpu_device_node_get(cpu); if (!cpu_np) { dev_err(cpu_dev, "%s: failed to get cpu%d node\n", __func__, cpu); @@ -613,6 +614,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, /* Get OPP descriptor node */ tmp_np = _opp_of_get_opp_desc_node(cpu_np); + of_node_put(cpu_np); if (!tmp_np) { pr_err("%pOF: Couldn't find opp node\n", cpu_np); ret = -ENOENT; diff --git a/drivers/base/power/opp/opp.h b/drivers/opp/opp.h index 166eef990599..4d00061648a3 100644 --- a/drivers/base/power/opp/opp.h +++ b/drivers/opp/opp.h @@ -58,6 +58,7 @@ extern struct list_head opp_tables; * @dynamic: not-created from static DT entries. * @turbo: true if turbo (boost) OPP * @suspend: true if suspend OPP + * @pstate: Device's power domain's performance state. * @rate: Frequency in hertz * @supplies: Power supplies voltage/current values * @clock_latency_ns: Latency (in nanoseconds) of switching to this OPP's @@ -76,6 +77,7 @@ struct dev_pm_opp { bool dynamic; bool turbo; bool suspend; + unsigned int pstate; unsigned long rate; struct dev_pm_opp_supply *supplies; @@ -135,8 +137,10 @@ enum opp_table_access { * @clk: Device's clock handle * @regulators: Supply regulators * @regulator_count: Number of power supply regulators + * @genpd_performance_state: Device's power domain support performance state. * @set_opp: Platform specific set_opp callback * @set_opp_data: Data to be passed to set_opp callback + * @get_pstate: Platform specific get_pstate callback * @dentry: debugfs dentry pointer of the real device directory (not links). * @dentry_name: Name of the real dentry. * @@ -170,9 +174,11 @@ struct opp_table { struct clk *clk; struct regulator **regulators; unsigned int regulator_count; + bool genpd_performance_state; int (*set_opp)(struct dev_pm_set_opp_data *data); struct dev_pm_set_opp_data *set_opp_data; + int (*get_pstate)(struct device *dev, unsigned long rate); #ifdef CONFIG_DEBUG_FS struct dentry *dentry; diff --git a/drivers/oprofile/nmi_timer_int.c b/drivers/oprofile/nmi_timer_int.c index e65a576e4032..f343bd96609a 100644 --- a/drivers/oprofile/nmi_timer_int.c +++ b/drivers/oprofile/nmi_timer_int.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /** * @file nmi_timer_int.c * diff --git a/drivers/oprofile/oprofile_perf.c b/drivers/oprofile/oprofile_perf.c index d5b2732b1b81..4b150a754890 100644 --- a/drivers/oprofile/oprofile_perf.c +++ b/drivers/oprofile/oprofile_perf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2010 ARM Ltd. * Copyright 2012 Advanced Micro Devices, Inc., Robert Richter diff --git a/drivers/parisc/Makefile b/drivers/parisc/Makefile index f95cab57133a..3cd5e6cb8478 100644 --- a/drivers/parisc/Makefile +++ b/drivers/parisc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for most of the non-PCI devices in PA-RISC machines # diff --git a/drivers/parisc/iommu-helpers.h b/drivers/parisc/iommu-helpers.h index e56f1569f6c3..0905be256de0 100644 --- a/drivers/parisc/iommu-helpers.h +++ b/drivers/parisc/iommu-helpers.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/prefetch.h> /** diff --git a/drivers/parport/Makefile b/drivers/parport/Makefile index 696b8d4ca887..6fa41f8173b6 100644 --- a/drivers/parport/Makefile +++ b/drivers/parport/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel Parallel port device drivers. # diff --git a/drivers/parport/ieee1284.c b/drivers/parport/ieee1284.c index 74cc6dd982d2..2d1a5c737c6e 100644 --- a/drivers/parport/ieee1284.c +++ b/drivers/parport/ieee1284.c @@ -44,10 +44,11 @@ static void parport_ieee1284_wakeup (struct parport *port) up (&port->physport->ieee1284.irq); } -static struct parport *port_from_cookie[PARPORT_MAX]; -static void timeout_waiting_on_port (unsigned long cookie) +static void timeout_waiting_on_port (struct timer_list *t) { - parport_ieee1284_wakeup (port_from_cookie[cookie % PARPORT_MAX]); + struct parport *port = from_timer(port, t, timer); + + parport_ieee1284_wakeup (port); } /** @@ -69,27 +70,19 @@ static void timeout_waiting_on_port (unsigned long cookie) int parport_wait_event (struct parport *port, signed long timeout) { int ret; - struct timer_list timer; if (!port->physport->cad->timeout) /* Zero timeout is special, and we can't down() the semaphore. */ return 1; - init_timer_on_stack(&timer); - timer.expires = jiffies + timeout; - timer.function = timeout_waiting_on_port; - port_from_cookie[port->number % PARPORT_MAX] = port; - timer.data = port->number; - - add_timer (&timer); + timer_setup(&port->timer, timeout_waiting_on_port, 0); + mod_timer(&port->timer, jiffies + timeout); ret = down_interruptible (&port->physport->ieee1284.irq); - if (!del_timer_sync(&timer) && !ret) + if (!del_timer_sync(&port->timer) && !ret) /* Timed out. */ ret = 1; - destroy_timer_on_stack(&timer); - return ret; } diff --git a/drivers/parport/ieee1284_ops.c b/drivers/parport/ieee1284_ops.c index a959224d011b..5d41dda6da4e 100644 --- a/drivers/parport/ieee1284_ops.c +++ b/drivers/parport/ieee1284_ops.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* IEEE-1284 operations for parport. * * This file is for generic IEEE 1284 operations. The idea is that diff --git a/drivers/parport/multiface.h b/drivers/parport/multiface.h index 56769dd5d315..6513a44b9ca7 100644 --- a/drivers/parport/multiface.h +++ b/drivers/parport/multiface.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MULTIFACE_H_ #define _MULTIFACE_H_ diff --git a/drivers/parport/probe.c b/drivers/parport/probe.c index 4d1d6eaf333d..e035174ba205 100644 --- a/drivers/parport/probe.c +++ b/drivers/parport/probe.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Parallel port device probing code * diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c index 8ee44a104ac4..48804049d697 100644 --- a/drivers/parport/procfs.c +++ b/drivers/parport/procfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Sysctl interface for parport devices. * * Authors: David Campbell diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index 66a21acad952..80adbdbcecce 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the PCI bus specific drivers. # diff --git a/drivers/pci/dwc/Makefile b/drivers/pci/dwc/Makefile index c61be9738cce..e73661182da0 100644 --- a/drivers/pci/dwc/Makefile +++ b/drivers/pci/dwc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PCIE_DW) += pcie-designware.o obj-$(CONFIG_PCIE_DW_HOST) += pcie-designware-host.o obj-$(CONFIG_PCIE_DW_EP) += pcie-designware-ep.o diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile index 12382785e02a..95f5b80ca52a 100644 --- a/drivers/pci/host/Makefile +++ b/drivers/pci/host/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PCI_FTPCI100) += pci-ftpci100.o obj-$(CONFIG_PCI_HYPERV) += pci-hyperv.o obj-$(CONFIG_PCI_MVEBU) += pci-mvebu.o diff --git a/drivers/pci/host/pci-ftpci100.c b/drivers/pci/host/pci-ftpci100.c index 96028f01bc90..4ea7d2ebcc5c 100644 --- a/drivers/pci/host/pci-ftpci100.c +++ b/drivers/pci/host/pci-ftpci100.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Support for Faraday Technology FTPC100 PCI Controller * diff --git a/drivers/pci/host/pcie-tango.c b/drivers/pci/host/pcie-tango.c index 6bbb81f06a53..95049de4131c 100644 --- a/drivers/pci/host/pcie-tango.c +++ b/drivers/pci/host/pcie-tango.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/pci-ecam.h> #include <linux/delay.h> #include <linux/of.h> diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile index e33cdda45a4d..7e3331603714 100644 --- a/drivers/pci/hotplug/Makefile +++ b/drivers/pci/hotplug/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux kernel pci hotplug controller drivers. # diff --git a/drivers/pci/htirq.c b/drivers/pci/htirq.c index 7eb4109a3df4..bb88c26f5144 100644 --- a/drivers/pci/htirq.c +++ b/drivers/pci/htirq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * File: htirq.c * Purpose: Hypertransport Interrupt Capability diff --git a/drivers/pci/irq.c b/drivers/pci/irq.c index 83d30953ce19..10929cd43d5d 100644 --- a/drivers/pci/irq.c +++ b/drivers/pci/irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI IRQ handling code * diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 496ed9130600..e06607167858 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1441,6 +1441,8 @@ struct irq_domain *pci_msi_create_irq_domain(struct fwnode_handle *fwnode, pci_msi_domain_update_chip_ops(info); info->flags |= MSI_FLAG_ACTIVATE_EARLY; + if (IS_ENABLED(CONFIG_GENERIC_IRQ_RESERVATION_MODE)) + info->flags |= MSI_FLAG_MUST_REACTIVATE; domain = msi_create_irq_domain(fwnode, info, parent); if (!domain) diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 11bd267fc137..07b8a9b385ab 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -680,17 +680,13 @@ static int pci_pm_prepare(struct device *dev) { struct device_driver *drv = dev->driver; - /* - * Devices having power.ignore_children set may still be necessary for - * suspending their children in the next phase of device suspend. - */ - if (dev->power.ignore_children) - pm_runtime_resume(dev); - if (drv && drv->pm && drv->pm->prepare) { int error = drv->pm->prepare(dev); - if (error) + if (error < 0) return error; + + if (!error && dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_PREPARE)) + return 0; } return pci_dev_keep_suspended(to_pci_dev(dev)); } @@ -731,18 +727,25 @@ static int pci_pm_suspend(struct device *dev) if (!pm) { pci_pm_default_suspend(pci_dev); - goto Fixup; + return 0; } /* - * PCI devices suspended at run time need to be resumed at this point, - * because in general it is necessary to reconfigure them for system - * suspend. Namely, if the device is supposed to wake up the system - * from the sleep state, we may need to reconfigure it for this purpose. - * In turn, if the device is not supposed to wake up the system from the - * sleep state, we'll have to prevent it from signaling wake-up. + * PCI devices suspended at run time may need to be resumed at this + * point, because in general it may be necessary to reconfigure them for + * system suspend. Namely, if the device is expected to wake up the + * system from the sleep state, it may have to be reconfigured for this + * purpose, or if the device is not expected to wake up the system from + * the sleep state, it should be prevented from signaling wakeup events + * going forward. + * + * Also if the driver of the device does not indicate that its system + * suspend callbacks can cope with runtime-suspended devices, it is + * better to resume the device from runtime suspend here. */ - pm_runtime_resume(dev); + if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) || + !pci_dev_keep_suspended(pci_dev)) + pm_runtime_resume(dev); pci_dev->state_saved = false; if (pm->suspend) { @@ -762,17 +765,27 @@ static int pci_pm_suspend(struct device *dev) } } - Fixup: - pci_fixup_device(pci_fixup_suspend, pci_dev); - return 0; } +static int pci_pm_suspend_late(struct device *dev) +{ + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + pci_fixup_device(pci_fixup_suspend, to_pci_dev(dev)); + + return pm_generic_suspend_late(dev); +} + static int pci_pm_suspend_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend_late(dev, PMSG_SUSPEND); @@ -805,6 +818,9 @@ static int pci_pm_suspend_noirq(struct device *dev) pci_prepare_to_sleep(pci_dev); } + dev_dbg(dev, "PCI PM: Suspend power state: %s\n", + pci_power_name(pci_dev->current_state)); + pci_pm_set_unknown_state(pci_dev); /* @@ -831,6 +847,14 @@ static int pci_pm_resume_noirq(struct device *dev) struct device_driver *drv = dev->driver; int error = 0; + /* + * Devices with DPM_FLAG_SMART_SUSPEND may be left in runtime suspend + * during system suspend, so update their runtime PM status to "active" + * as they are going to be put into D0 shortly. + */ + if (dev_pm_smart_suspend_and_suspended(dev)) + pm_runtime_set_active(dev); + pci_pm_default_resume_early(pci_dev); if (pci_has_legacy_pm_support(pci_dev)) @@ -873,6 +897,7 @@ static int pci_pm_resume(struct device *dev) #else /* !CONFIG_SUSPEND */ #define pci_pm_suspend NULL +#define pci_pm_suspend_late NULL #define pci_pm_suspend_noirq NULL #define pci_pm_resume NULL #define pci_pm_resume_noirq NULL @@ -907,7 +932,8 @@ static int pci_pm_freeze(struct device *dev) * devices should not be touched during freeze/thaw transitions, * however. */ - pm_runtime_resume(dev); + if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND)) + pm_runtime_resume(dev); pci_dev->state_saved = false; if (pm->freeze) { @@ -919,17 +945,25 @@ static int pci_pm_freeze(struct device *dev) return error; } - if (pcibios_pm_ops.freeze) - return pcibios_pm_ops.freeze(dev); - return 0; } +static int pci_pm_freeze_late(struct device *dev) +{ + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + + return pm_generic_freeze_late(dev);; +} + static int pci_pm_freeze_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); struct device_driver *drv = dev->driver; + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend_late(dev, PMSG_FREEZE); @@ -959,6 +993,16 @@ static int pci_pm_thaw_noirq(struct device *dev) struct device_driver *drv = dev->driver; int error = 0; + /* + * If the device is in runtime suspend, the code below may not work + * correctly with it, so skip that code and make the PM core skip all of + * the subsequent "thaw" callbacks for the device. + */ + if (dev_pm_smart_suspend_and_suspended(dev)) { + dev->power.direct_complete = true; + return 0; + } + if (pcibios_pm_ops.thaw_noirq) { error = pcibios_pm_ops.thaw_noirq(dev); if (error) @@ -983,12 +1027,6 @@ static int pci_pm_thaw(struct device *dev) const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int error = 0; - if (pcibios_pm_ops.thaw) { - error = pcibios_pm_ops.thaw(dev); - if (error) - return error; - } - if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_resume(dev); @@ -1014,11 +1052,13 @@ static int pci_pm_poweroff(struct device *dev) if (!pm) { pci_pm_default_suspend(pci_dev); - goto Fixup; + return 0; } /* The reason to do that is the same as in pci_pm_suspend(). */ - pm_runtime_resume(dev); + if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND) || + !pci_dev_keep_suspended(pci_dev)) + pm_runtime_resume(dev); pci_dev->state_saved = false; if (pm->poweroff) { @@ -1030,13 +1070,17 @@ static int pci_pm_poweroff(struct device *dev) return error; } - Fixup: - pci_fixup_device(pci_fixup_suspend, pci_dev); + return 0; +} - if (pcibios_pm_ops.poweroff) - return pcibios_pm_ops.poweroff(dev); +static int pci_pm_poweroff_late(struct device *dev) +{ + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; - return 0; + pci_fixup_device(pci_fixup_suspend, to_pci_dev(dev)); + + return pm_generic_poweroff_late(dev); } static int pci_pm_poweroff_noirq(struct device *dev) @@ -1044,6 +1088,9 @@ static int pci_pm_poweroff_noirq(struct device *dev) struct pci_dev *pci_dev = to_pci_dev(dev); struct device_driver *drv = dev->driver; + if (dev_pm_smart_suspend_and_suspended(dev)) + return 0; + if (pci_has_legacy_pm_support(to_pci_dev(dev))) return pci_legacy_suspend_late(dev, PMSG_HIBERNATE); @@ -1085,6 +1132,10 @@ static int pci_pm_restore_noirq(struct device *dev) struct device_driver *drv = dev->driver; int error = 0; + /* This is analogous to the pci_pm_resume_noirq() case. */ + if (dev_pm_smart_suspend_and_suspended(dev)) + pm_runtime_set_active(dev); + if (pcibios_pm_ops.restore_noirq) { error = pcibios_pm_ops.restore_noirq(dev); if (error) @@ -1108,12 +1159,6 @@ static int pci_pm_restore(struct device *dev) const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int error = 0; - if (pcibios_pm_ops.restore) { - error = pcibios_pm_ops.restore(dev); - if (error) - return error; - } - /* * This is necessary for the hibernation error path in which restore is * called without restoring the standard config registers of the device. @@ -1139,10 +1184,12 @@ static int pci_pm_restore(struct device *dev) #else /* !CONFIG_HIBERNATE_CALLBACKS */ #define pci_pm_freeze NULL +#define pci_pm_freeze_late NULL #define pci_pm_freeze_noirq NULL #define pci_pm_thaw NULL #define pci_pm_thaw_noirq NULL #define pci_pm_poweroff NULL +#define pci_pm_poweroff_late NULL #define pci_pm_poweroff_noirq NULL #define pci_pm_restore NULL #define pci_pm_restore_noirq NULL @@ -1258,10 +1305,13 @@ static const struct dev_pm_ops pci_dev_pm_ops = { .prepare = pci_pm_prepare, .complete = pci_pm_complete, .suspend = pci_pm_suspend, + .suspend_late = pci_pm_suspend_late, .resume = pci_pm_resume, .freeze = pci_pm_freeze, + .freeze_late = pci_pm_freeze_late, .thaw = pci_pm_thaw, .poweroff = pci_pm_poweroff, + .poweroff_late = pci_pm_poweroff_late, .restore = pci_pm_restore, .suspend_noirq = pci_pm_suspend_noirq, .resume_noirq = pci_pm_resume_noirq, diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c index 7e9e79575d93..a961a71d950f 100644 --- a/drivers/pci/pci-label.c +++ b/drivers/pci/pci-label.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Purpose: Export the firmware instance and label associated with * a pci device to sysfs diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 8e075ea2743e..00fa4278c1f4 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pci/pci-sysfs.c * diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6078dfc11b11..374f5686e2bc 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2166,8 +2166,7 @@ bool pci_dev_keep_suspended(struct pci_dev *pci_dev) if (!pm_runtime_suspended(dev) || pci_target_state(pci_dev, wakeup) != pci_dev->current_state - || platform_pci_need_resume(pci_dev) - || (pci_dev->dev_flags & PCI_DEV_FLAGS_NEEDS_RESUME)) + || platform_pci_need_resume(pci_dev)) return false; /* diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index a6560c9baa52..fdb02c1f94bb 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DRIVERS_PCI_H #define DRIVERS_PCI_H diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile index 36e35ea8fde7..223e4c34c29a 100644 --- a/drivers/pci/pcie/Makefile +++ b/drivers/pci/pcie/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for PCI-Express PORT Driver # diff --git a/drivers/pci/pcie/aer/Makefile b/drivers/pci/pcie/aer/Makefile index 2cba67510dc8..09bd890875a3 100644 --- a/drivers/pci/pcie/aer/Makefile +++ b/drivers/pci/pcie/aer/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for PCI-Express Root Port Advanced Error Reporting Driver # diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h index d51e4a57b190..5449e5ce139d 100644 --- a/drivers/pci/pcie/aer/aerdrv.h +++ b/drivers/pci/pcie/aer/aerdrv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2006 Intel Corp. * Tom Long Nguyen (tom.l.nguyen@intel.com) diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c index 01906576ab91..b2019440e882 100644 --- a/drivers/pci/pcie/aer/aerdrv_acpi.c +++ b/drivers/pci/pcie/aer/aerdrv_acpi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Access ACPI _OSC method * diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 1dfa10cc566b..83e4a892b14b 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * File: drivers/pci/pcie/aspm.c * Enabling PCIe link L0s/L1 state and Clock Power Management diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 4334fd5d7de9..a854bc569117 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * File: portdrv.h * Purpose: PCI Express Port Bus Driver's Internal Data Structures diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 313a21df1692..ebc9d45bd731 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * File: portdrv_core.c * Purpose: PCI Express Port Bus Driver's Core Functions diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 083276e03c38..68c389c7b975 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * File: portdrv_pci.c * Purpose: PCI Express Port Bus Driver diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 098360d7ff81..58a662e3c4a6 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Procfs interface for the PCI bus. * diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index a4d33619a7bb..911b3b65c8b2 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file contains work-arounds for many known PCI hardware * bugs. Devices present only on certain architectures (host diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index e576e1a8d978..c039149cacb0 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pci/setup-res.c * diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c index 9bf993e1f71e..83efa001c2e7 100644 --- a/drivers/pci/syscall.c +++ b/drivers/pci/syscall.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * pci_syscall.c * diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile index 27e94b30cf96..e7dae16b9a43 100644 --- a/drivers/pcmcia/Makefile +++ b/drivers/pcmcia/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel pcmcia subsystem (c/o David Hinds) # diff --git a/drivers/pcmcia/bcm63xx_pcmcia.c b/drivers/pcmcia/bcm63xx_pcmcia.c index 0802e0bc7d0c..16f573173471 100644 --- a/drivers/pcmcia/bcm63xx_pcmcia.c +++ b/drivers/pcmcia/bcm63xx_pcmcia.c @@ -263,12 +263,12 @@ static int bcm63xx_pcmcia_get_status(struct pcmcia_socket *sock, /* * socket polling timer callback */ -static void bcm63xx_pcmcia_poll(unsigned long data) +static void bcm63xx_pcmcia_poll(struct timer_list *t) { struct bcm63xx_pcmcia_socket *skt; unsigned int stat, events; - skt = (struct bcm63xx_pcmcia_socket *)data; + skt = from_timer(skt, t, timer); spin_lock_bh(&skt->lock); @@ -392,7 +392,7 @@ static int bcm63xx_drv_pcmcia_probe(struct platform_device *pdev) sock->map_size = resource_size(skt->common_res); /* initialize polling timer */ - setup_timer(&skt->timer, bcm63xx_pcmcia_poll, (unsigned long)skt); + timer_setup(&skt->timer, bcm63xx_pcmcia_poll, 0); /* initialize pcmcia control register, drive VS[12] to 0, * leave CB IDSEL to the old value since it is set by the PCI diff --git a/drivers/pcmcia/bcm63xx_pcmcia.h b/drivers/pcmcia/bcm63xx_pcmcia.h index ed957399d863..2122c59a1c4a 100644 --- a/drivers/pcmcia/bcm63xx_pcmcia.h +++ b/drivers/pcmcia/bcm63xx_pcmcia.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BCM63XX_PCMCIA_H_ #define BCM63XX_PCMCIA_H_ diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c index 8b0923fd76c6..00a296d431ba 100644 --- a/drivers/pcmcia/bfin_cf_pcmcia.c +++ b/drivers/pcmcia/bfin_cf_pcmcia.c @@ -86,9 +86,9 @@ static int bfin_cf_ss_init(struct pcmcia_socket *s) } /* the timer is primarily to kick this socket's pccardd */ -static void bfin_cf_timer(unsigned long _cf) +static void bfin_cf_timer(struct timer_list *t) { - struct bfin_cf_socket *cf = (void *)_cf; + struct bfin_cf_socket *cf = from_timer(cf, t, timer); unsigned short present = bfin_cf_present(cf->cd_pfx); if (present != cf->present) { @@ -227,7 +227,7 @@ static int bfin_cf_probe(struct platform_device *pdev) cf->cd_pfx = cd_pfx; - setup_timer(&cf->timer, bfin_cf_timer, (unsigned long)cf); + timer_setup(&cf->timer, bfin_cf_timer, 0); cf->pdev = pdev; platform_set_drvdata(pdev, cf); diff --git a/drivers/pcmcia/i82092aa.h b/drivers/pcmcia/i82092aa.h index 8836d393ad02..fabe08c3e33d 100644 --- a/drivers/pcmcia/i82092aa.h +++ b/drivers/pcmcia/i82092aa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _INCLUDE_GUARD_i82092aa_H_ #define _INCLUDE_GUARD_i82092aa_H_ diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index fb38cc01859f..891ccea2cccb 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -875,7 +875,7 @@ static irqreturn_t pcic_interrupt(int irq, void *dev) return IRQ_RETVAL(handled); } /* pcic_interrupt */ -static void pcic_interrupt_wrapper(u_long data) +static void pcic_interrupt_wrapper(struct timer_list *unused) { pcic_interrupt(0, NULL); poll_timer.expires = jiffies + poll_interval; @@ -1289,9 +1289,7 @@ static int __init init_i82365(void) /* Finally, schedule a polling interrupt */ if (poll_interval != 0) { - poll_timer.function = pcic_interrupt_wrapper; - poll_timer.data = 0; - init_timer(&poll_timer); + timer_setup(&poll_timer, pcic_interrupt_wrapper, 0); poll_timer.expires = jiffies + poll_interval; add_timer(&poll_timer); } diff --git a/drivers/pcmcia/m32r_cfc.h b/drivers/pcmcia/m32r_cfc.h index f558e1adf954..05fec98617d0 100644 --- a/drivers/pcmcia/m32r_cfc.h +++ b/drivers/pcmcia/m32r_cfc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2001 by Hiroyuki Kondo */ diff --git a/drivers/pcmcia/m32r_pcc.h b/drivers/pcmcia/m32r_pcc.h index f95c58563bc8..d99ad3864ff3 100644 --- a/drivers/pcmcia/m32r_pcc.h +++ b/drivers/pcmcia/m32r_pcc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2001 by Hiroyuki Kondo */ diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c index 4e2f501e5548..c2a17a79f0b2 100644 --- a/drivers/pcmcia/omap_cf.c +++ b/drivers/pcmcia/omap_cf.c @@ -80,9 +80,9 @@ static int omap_cf_ss_init(struct pcmcia_socket *s) } /* the timer is primarily to kick this socket's pccardd */ -static void omap_cf_timer(unsigned long _cf) +static void omap_cf_timer(struct timer_list *t) { - struct omap_cf_socket *cf = (void *) _cf; + struct omap_cf_socket *cf = from_timer(cf, t, timer); unsigned present = omap_cf_present(); if (present != cf->present) { @@ -102,7 +102,9 @@ static void omap_cf_timer(unsigned long _cf) */ static irqreturn_t omap_cf_irq(int irq, void *_cf) { - omap_cf_timer((unsigned long)_cf); + struct omap_cf_socket *cf = (struct omap_cf_socket *)_cf; + + omap_cf_timer(&cf->timer); return IRQ_HANDLED; } @@ -220,7 +222,7 @@ static int __init omap_cf_probe(struct platform_device *pdev) cf = kzalloc(sizeof *cf, GFP_KERNEL); if (!cf) return -ENOMEM; - setup_timer(&cf->timer, omap_cf_timer, (unsigned long)cf); + timer_setup(&cf->timer, omap_cf_timer, 0); cf->pdev = pdev; platform_set_drvdata(pdev, cf); diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index 0f70b4d58f9e..959ae3e65ef8 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -234,9 +234,9 @@ static irqreturn_t pd6729_interrupt(int irq, void *dev) /* socket functions */ -static void pd6729_interrupt_wrapper(unsigned long data) +static void pd6729_interrupt_wrapper(struct timer_list *t) { - struct pd6729_socket *socket = (struct pd6729_socket *) data; + struct pd6729_socket *socket = from_timer(socket, t, poll_timer); pd6729_interrupt(0, (void *)socket); mod_timer(&socket->poll_timer, jiffies + HZ); @@ -707,8 +707,7 @@ static int pd6729_pci_probe(struct pci_dev *dev, } } else { /* poll Card status change */ - setup_timer(&socket->poll_timer, pd6729_interrupt_wrapper, - (unsigned long)socket); + timer_setup(&socket->poll_timer, pd6729_interrupt_wrapper, 0); mod_timer(&socket->poll_timer, jiffies + HZ); } diff --git a/drivers/pcmcia/pd6729.h b/drivers/pcmcia/pd6729.h index c8e84bdece38..605cc2ccf9c5 100644 --- a/drivers/pcmcia/pd6729.h +++ b/drivers/pcmcia/pd6729.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _INCLUDE_GUARD_PD6729_H_ #define _INCLUDE_GUARD_PD6729_H_ diff --git a/drivers/pcmcia/sa1100_assabet.c b/drivers/pcmcia/sa1100_assabet.c index 71ace6910d7e..78ad2bba76db 100644 --- a/drivers/pcmcia/sa1100_assabet.c +++ b/drivers/pcmcia/sa1100_assabet.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pcmcia/sa1100_assabet.c * diff --git a/drivers/pcmcia/sa1100_cerf.c b/drivers/pcmcia/sa1100_cerf.c index c3f67363f6a1..2a54081d161d 100644 --- a/drivers/pcmcia/sa1100_cerf.c +++ b/drivers/pcmcia/sa1100_cerf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pcmcia/sa1100_cerf.c * diff --git a/drivers/pcmcia/sa1100_generic.h b/drivers/pcmcia/sa1100_generic.h index adb08dbc723f..a5f1f1dd63cb 100644 --- a/drivers/pcmcia/sa1100_generic.h +++ b/drivers/pcmcia/sa1100_generic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include "soc_common.h" #include "sa11xx_base.h" diff --git a/drivers/pcmcia/sa1100_h3600.c b/drivers/pcmcia/sa1100_h3600.c index 431d8b07cbaf..aebf9a66fdde 100644 --- a/drivers/pcmcia/sa1100_h3600.c +++ b/drivers/pcmcia/sa1100_h3600.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pcmcia/sa1100_h3600.c * diff --git a/drivers/pcmcia/sa1100_shannon.c b/drivers/pcmcia/sa1100_shannon.c index b07a2dc3296e..0e52a575986e 100644 --- a/drivers/pcmcia/sa1100_shannon.c +++ b/drivers/pcmcia/sa1100_shannon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pcmcia/sa1100_shannon.c * diff --git a/drivers/pcmcia/sa1100_simpad.c b/drivers/pcmcia/sa1100_simpad.c index 73fd37968b6a..7ce65bb23a8e 100644 --- a/drivers/pcmcia/sa1100_simpad.c +++ b/drivers/pcmcia/sa1100_simpad.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pcmcia/sa1100_simpad.c * diff --git a/drivers/pcmcia/sa1111_generic.h b/drivers/pcmcia/sa1111_generic.h index e74ecfdc1b26..c01571d46982 100644 --- a/drivers/pcmcia/sa1111_generic.h +++ b/drivers/pcmcia/sa1111_generic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include "soc_common.h" #include "sa11xx_base.h" diff --git a/drivers/pcmcia/sa1111_jornada720.c b/drivers/pcmcia/sa1111_jornada720.c index 480a3ede27c8..3d4ca87ca76c 100644 --- a/drivers/pcmcia/sa1111_jornada720.c +++ b/drivers/pcmcia/sa1111_jornada720.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/pcmcia/sa1100_jornada720.c * diff --git a/drivers/pcmcia/sa1111_neponset.c b/drivers/pcmcia/sa1111_neponset.c index 019c395eb4bf..0ccf05a28a4b 100644 --- a/drivers/pcmcia/sa1111_neponset.c +++ b/drivers/pcmcia/sa1111_neponset.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/pcmcia/sa1100_neponset.c * diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index b6b316de055c..764650eb8897 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -456,9 +456,9 @@ static void soc_common_check_status(struct soc_pcmcia_socket *skt) } /* Let's poll for events in addition to IRQs since IRQ only is unreliable... */ -static void soc_common_pcmcia_poll_event(unsigned long dummy) +static void soc_common_pcmcia_poll_event(struct timer_list *t) { - struct soc_pcmcia_socket *skt = (struct soc_pcmcia_socket *)dummy; + struct soc_pcmcia_socket *skt = from_timer(skt, t, poll_timer); debug(skt, 4, "polling for events\n"); mod_timer(&skt->poll_timer, jiffies + SOC_PCMCIA_POLL_PERIOD); @@ -794,8 +794,7 @@ int soc_pcmcia_add_one(struct soc_pcmcia_socket *skt) skt->cs_state = dead_socket; - setup_timer(&skt->poll_timer, soc_common_pcmcia_poll_event, - (unsigned long)skt); + timer_setup(&skt->poll_timer, soc_common_pcmcia_poll_event, 0); skt->poll_timer.expires = jiffies + SOC_PCMCIA_POLL_PERIOD; ret = request_resource(&iomem_resource, &skt->res_skt); diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h index 3f3625805353..b7f993f1bbd0 100644 --- a/drivers/pcmcia/soc_common.h +++ b/drivers/pcmcia/soc_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * linux/drivers/pcmcia/soc_common.h * diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c index a1ac72d51d70..1a0e3f098759 100644 --- a/drivers/pcmcia/tcic.c +++ b/drivers/pcmcia/tcic.c @@ -98,7 +98,7 @@ module_param(cycle_time, int, 0444); /*====================================================================*/ static irqreturn_t tcic_interrupt(int irq, void *dev); -static void tcic_timer(u_long data); +static void tcic_timer(struct timer_list *unused); static struct pccard_operations tcic_operations; struct tcic_socket { @@ -435,9 +435,7 @@ static int __init init_tcic(void) } /* Set up polling */ - poll_timer.function = &tcic_timer; - poll_timer.data = 0; - init_timer(&poll_timer); + timer_setup(&poll_timer, &tcic_timer, 0); /* Build interrupt mask */ printk(KERN_CONT ", %d sockets\n", sockets); @@ -583,7 +581,7 @@ static irqreturn_t tcic_interrupt(int irq, void *dev) return IRQ_HANDLED; } /* tcic_interrupt */ -static void tcic_timer(u_long data) +static void tcic_timer(struct timer_list *unused) { pr_debug("tcic_timer()\n"); tcic_timer_pending = 0; diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c index 5d6d9b1549bc..ab3da2262f0f 100644 --- a/drivers/pcmcia/yenta_socket.c +++ b/drivers/pcmcia/yenta_socket.c @@ -534,9 +534,9 @@ static irqreturn_t yenta_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void yenta_interrupt_wrapper(unsigned long data) +static void yenta_interrupt_wrapper(struct timer_list *t) { - struct yenta_socket *socket = (struct yenta_socket *) data; + struct yenta_socket *socket = from_timer(socket, t, poll_timer); yenta_interrupt(0, (void *)socket); socket->poll_timer.expires = jiffies + HZ; @@ -1233,8 +1233,7 @@ static int yenta_probe(struct pci_dev *dev, const struct pci_device_id *id) if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) { /* No IRQ or request_irq failed. Poll */ socket->cb_irq = 0; /* But zero is a valid IRQ number. */ - setup_timer(&socket->poll_timer, yenta_interrupt_wrapper, - (unsigned long)socket); + timer_setup(&socket->poll_timer, yenta_interrupt_wrapper, 0); mod_timer(&socket->poll_timer, jiffies + HZ); dev_info(&dev->dev, "no PCI IRQ, CardBus support disabled for this socket.\n"); diff --git a/drivers/pcmcia/yenta_socket.h b/drivers/pcmcia/yenta_socket.h index 4e75e9e258cd..efeed19e28c7 100644 --- a/drivers/pcmcia/yenta_socket.h +++ b/drivers/pcmcia/yenta_socket.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __YENTA_H #define __YENTA_H diff --git a/drivers/perf/Makefile b/drivers/perf/Makefile index 6420bd4394d5..9402dc8ff22c 100644 --- a/drivers/perf/Makefile +++ b/drivers/perf/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ARM_PMU) += arm_pmu.o arm_pmu_platform.o obj-$(CONFIG_ARM_PMU_ACPI) += arm_pmu_acpi.o obj-$(CONFIG_QCOM_L2_PMU) += qcom_l2_pmu.o diff --git a/drivers/perf/arm_pmu_platform.c b/drivers/perf/arm_pmu_platform.c index 4eafa7a42e52..4428852e1da1 100644 --- a/drivers/perf/arm_pmu_platform.c +++ b/drivers/perf/arm_pmu_platform.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * platform_device probing code for ARM performance counters. * diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index 3a52dcb09566..84e3bd9c5665 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the phy drivers. # diff --git a/drivers/phy/broadcom/Makefile b/drivers/phy/broadcom/Makefile index 7c37ba651440..13e000c1a43a 100644 --- a/drivers/phy/broadcom/Makefile +++ b/drivers/phy/broadcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o obj-$(CONFIG_BCM_KONA_USB2_PHY) += phy-bcm-kona-usb2.o obj-$(CONFIG_PHY_BCM_NS_USB2) += phy-bcm-ns-usb2.o diff --git a/drivers/phy/marvell/Makefile b/drivers/phy/marvell/Makefile index 0cf6a7cbaf9f..5c3ec5d10e0d 100644 --- a/drivers/phy/marvell/Makefile +++ b/drivers/phy/marvell/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ARMADA375_USBCLUSTER_PHY) += phy-armada375-usb2.o obj-$(CONFIG_PHY_BERLIN_SATA) += phy-berlin-sata.o obj-$(CONFIG_PHY_BERLIN_USB) += phy-berlin-usb.o diff --git a/drivers/phy/qualcomm/Makefile b/drivers/phy/qualcomm/Makefile index 2e183d7695fd..9abb7899762a 100644 --- a/drivers/phy/qualcomm/Makefile +++ b/drivers/phy/qualcomm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PHY_QCOM_APQ8064_SATA) += phy-qcom-apq8064-sata.o obj-$(CONFIG_PHY_QCOM_IPQ806X_SATA) += phy-qcom-ipq806x-sata.o obj-$(CONFIG_PHY_QCOM_QMP) += phy-qcom-qmp.o diff --git a/drivers/phy/rockchip/Makefile b/drivers/phy/rockchip/Makefile index bd0acdf38e0f..7f149d989046 100644 --- a/drivers/phy/rockchip/Makefile +++ b/drivers/phy/rockchip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PHY_ROCKCHIP_DP) += phy-rockchip-dp.o obj-$(CONFIG_PHY_ROCKCHIP_EMMC) += phy-rockchip-emmc.o obj-$(CONFIG_PHY_ROCKCHIP_INNO_USB2) += phy-rockchip-inno-usb2.o diff --git a/drivers/phy/samsung/Makefile b/drivers/phy/samsung/Makefile index 20d7f2424772..db9b1aa0de6e 100644 --- a/drivers/phy/samsung/Makefile +++ b/drivers/phy/samsung/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PHY_EXYNOS_DP_VIDEO) += phy-exynos-dp-video.o obj-$(CONFIG_PHY_EXYNOS_MIPI_VIDEO) += phy-exynos-mipi-video.o obj-$(CONFIG_PHY_EXYNOS_PCIE) += phy-exynos-pcie.o diff --git a/drivers/phy/ti/Makefile b/drivers/phy/ti/Makefile index 0cc3a1a557a3..9f361756eaf2 100644 --- a/drivers/phy/ti/Makefile +++ b/drivers/phy/ti/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PHY_DA8XX_USB) += phy-da8xx-usb.o obj-$(CONFIG_PHY_DM816X_USB) += phy-dm816x-usb.o obj-$(CONFIG_OMAP_CONTROL_PHY) += phy-omap-control.o diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index c16e27900dbb..d0d4844f8022 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # generic pinmux support subdir-ccflags-$(CONFIG_DEBUG_PINCTRL) += -DDEBUG diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile index 2a65111f3c70..80ceb9dae944 100644 --- a/drivers/pinctrl/bcm/Makefile +++ b/drivers/pinctrl/bcm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Broadcom pinctrl support obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o diff --git a/drivers/pinctrl/freescale/Makefile b/drivers/pinctrl/freescale/Makefile index 525a5ff5dcb4..19bb9a55a567 100644 --- a/drivers/pinctrl/freescale/Makefile +++ b/drivers/pinctrl/freescale/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Freescale pin control drivers obj-$(CONFIG_PINCTRL_IMX) += pinctrl-imx.o obj-$(CONFIG_PINCTRL_IMX1_CORE) += pinctrl-imx1-core.o diff --git a/drivers/pinctrl/intel/Makefile b/drivers/pinctrl/intel/Makefile index c12874da5992..624d367caa09 100644 --- a/drivers/pinctrl/intel/Makefile +++ b/drivers/pinctrl/intel/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Intel pin control drivers obj-$(CONFIG_PINCTRL_BAYTRAIL) += pinctrl-baytrail.o diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile index e59c613d4ddd..10d90140a38a 100644 --- a/drivers/pinctrl/mediatek/Makefile +++ b/drivers/pinctrl/mediatek/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core obj-y += pinctrl-mtk-common.o diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h index 4eb98ddb40a4..17df4cfbde4e 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt6397.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PINCTRL_MTK_MT6397_H #define __PINCTRL_MTK_MT6397_H diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h index 212559c147f8..850483d7d9be 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt8127.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PINCTRL_MTK_MT8127_H #define __PINCTRL_MTK_MT8127_H diff --git a/drivers/pinctrl/mvebu/Makefile b/drivers/pinctrl/mvebu/Makefile index 5b03fd55e28d..cd082dca4482 100644 --- a/drivers/pinctrl/mvebu/Makefile +++ b/drivers/pinctrl/mvebu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_MVEBU) += pinctrl-mvebu.o obj-$(CONFIG_PINCTRL_DOVE) += pinctrl-dove.o obj-$(CONFIG_PINCTRL_KIRKWOOD) += pinctrl-kirkwood.o diff --git a/drivers/pinctrl/nomadik/Makefile b/drivers/pinctrl/nomadik/Makefile index 30b27f18cd52..bf8b7517ee4a 100644 --- a/drivers/pinctrl/nomadik/Makefile +++ b/drivers/pinctrl/nomadik/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Nomadik family pin control drivers obj-$(CONFIG_PINCTRL_ABX500) += pinctrl-abx500.o obj-$(CONFIG_PINCTRL_AB8500) += pinctrl-ab8500.o diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.h b/drivers/pinctrl/nomadik/pinctrl-abx500.h index 2beef3bfe9ca..43f9b718a8ef 100644 --- a/drivers/pinctrl/nomadik/pinctrl-abx500.h +++ b/drivers/pinctrl/nomadik/pinctrl-abx500.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef PINCTRL_PINCTRL_ABx500_H #define PINCTRL_PINCTRL_ABx500_H diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c index af4814479eb0..726c0b5501fa 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8500.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pinctrl/pinctrl.h> #include "pinctrl-nomadik.h" diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c index 2860eafd1b42..ae3ac7b799a6 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-db8540.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pinctrl/pinctrl.h> #include "pinctrl-nomadik.h" diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c index e852048c4c04..7e814764da7d 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik-stn8815.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/pinctrl/pinctrl.h> #include "pinctrl-nomadik.h" diff --git a/drivers/pinctrl/nomadik/pinctrl-nomadik.h b/drivers/pinctrl/nomadik/pinctrl-nomadik.h index 30bba2a75a58..ae0bac06639f 100644 --- a/drivers/pinctrl/nomadik/pinctrl-nomadik.h +++ b/drivers/pinctrl/nomadik/pinctrl-nomadik.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef PINCTRL_PINCTRL_NOMADIK_H #define PINCTRL_PINCTRL_NOMADIK_H diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 3f6b34febbf1..433af328d981 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -534,8 +534,16 @@ static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) continue; irq = irq_find_mapping(gc->irqdomain, irqnr + i); generic_handle_irq(irq); - /* Clear interrupt */ + + /* Clear interrupt. + * We must read the pin register again, in case the + * value was changed while executing + * generic_handle_irq() above. + */ + raw_spin_lock_irqsave(&gpio_dev->lock, flags); + regval = readl(regs + i); writel(regval, regs + i); + raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); ret = IRQ_HANDLED; } } diff --git a/drivers/pinctrl/pinctrl-coh901.h b/drivers/pinctrl/pinctrl-coh901.h index 87294222583e..ba2678665168 100644 --- a/drivers/pinctrl/pinctrl-coh901.h +++ b/drivers/pinctrl/pinctrl-coh901.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ int u300_gpio_config_get(struct gpio_chip *chip, unsigned offset, unsigned long *config); diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c index 3e40d4245512..9c950bbf07ba 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08.c +++ b/drivers/pinctrl/pinctrl-mcp23s08.c @@ -407,10 +407,10 @@ static int mcp23s08_get(struct gpio_chip *chip, unsigned offset) ret = mcp_read(mcp, MCP_GPIO, &status); if (ret < 0) status = 0; - else + else { + mcp->cached_gpio = status; status = !!(status & (1 << offset)); - - mcp->cached_gpio = status; + } mutex_unlock(&mcp->lock); return status; diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile index 06c8b2ace05f..a1db345ded1c 100644 --- a/drivers/pinctrl/qcom/Makefile +++ b/drivers/pinctrl/qcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Qualcomm pin control drivers obj-$(CONFIG_PINCTRL_MSM) += pinctrl-msm.o obj-$(CONFIG_PINCTRL_APQ8064) += pinctrl-apq8064.o diff --git a/drivers/pinctrl/samsung/Makefile b/drivers/pinctrl/samsung/Makefile index 595995851ea5..df426561d067 100644 --- a/drivers/pinctrl/samsung/Makefile +++ b/drivers/pinctrl/samsung/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Samsung pin control drivers obj-$(CONFIG_PINCTRL_SAMSUNG) += pinctrl-samsung.o diff --git a/drivers/pinctrl/sh-pfc/Makefile b/drivers/pinctrl/sh-pfc/Makefile index 1d4f05a96bd4..a7903904b64e 100644 --- a/drivers/pinctrl/sh-pfc/Makefile +++ b/drivers/pinctrl/sh-pfc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_SH_PFC) += core.o pinctrl.o obj-$(CONFIG_PINCTRL_SH_PFC_GPIO) += gpio.o obj-$(CONFIG_PINCTRL_PFC_EMEV2) += pfc-emev2.o diff --git a/drivers/pinctrl/sh-pfc/pfc-sh7722.c b/drivers/pinctrl/sh-pfc/pfc-sh7722.c index 29c69133b0ef..0e733bffdb38 100644 --- a/drivers/pinctrl/sh-pfc/pfc-sh7722.c +++ b/drivers/pinctrl/sh-pfc/pfc-sh7722.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/kernel.h> #include <linux/gpio.h> diff --git a/drivers/pinctrl/spear/Makefile b/drivers/pinctrl/spear/Makefile index 37b8412ac8a3..da52d17550a3 100644 --- a/drivers/pinctrl/spear/Makefile +++ b/drivers/pinctrl/spear/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # SPEAr pinmux support obj-$(CONFIG_PINCTRL_SPEAR_PLGPIO) += pinctrl-plgpio.o diff --git a/drivers/pinctrl/stm32/Makefile b/drivers/pinctrl/stm32/Makefile index 5f379f5153f1..d13ca3573486 100644 --- a/drivers/pinctrl/stm32/Makefile +++ b/drivers/pinctrl/stm32/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core obj-$(CONFIG_PINCTRL_STM32) += pinctrl-stm32.o diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 50299ad96659..02b66588cac6 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -289,13 +289,14 @@ static int stm32_gpio_domain_translate(struct irq_domain *d, return 0; } -static void stm32_gpio_domain_activate(struct irq_domain *d, - struct irq_data *irq_data) +static int stm32_gpio_domain_activate(struct irq_domain *d, + struct irq_data *irq_data, bool early) { struct stm32_gpio_bank *bank = d->host_data; struct stm32_pinctrl *pctl = dev_get_drvdata(bank->gpio_chip.parent); regmap_field_write(pctl->irqmux[irq_data->hwirq], bank->bank_nr); + return 0; } static int stm32_gpio_domain_alloc(struct irq_domain *d, diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile index dc6c9619e41c..12a752e836ef 100644 --- a/drivers/pinctrl/sunxi/Makefile +++ b/drivers/pinctrl/sunxi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core obj-y += pinctrl-sunxi.o diff --git a/drivers/pinctrl/tegra/Makefile b/drivers/pinctrl/tegra/Makefile index d9ea2be69cc4..bbcb043c34a2 100644 --- a/drivers/pinctrl/tegra/Makefile +++ b/drivers/pinctrl/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PINCTRL_TEGRA) += pinctrl-tegra.o obj-$(CONFIG_PINCTRL_TEGRA20) += pinctrl-tegra20.o obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o diff --git a/drivers/pinctrl/uniphier/Makefile b/drivers/pinctrl/uniphier/Makefile index d592ff77d60f..ec66c86e276e 100644 --- a/drivers/pinctrl/uniphier/Makefile +++ b/drivers/pinctrl/uniphier/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += pinctrl-uniphier-core.o obj-$(CONFIG_PINCTRL_UNIPHIER_LD4) += pinctrl-uniphier-ld4.o diff --git a/drivers/pinctrl/vt8500/Makefile b/drivers/pinctrl/vt8500/Makefile index 24ec45dd0d80..c6a5c3b14e9e 100644 --- a/drivers/pinctrl/vt8500/Makefile +++ b/drivers/pinctrl/vt8500/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # VIA/Wondermedia pinctrl support obj-$(CONFIG_PINCTRL_WMT) += pinctrl-wmt.o diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile index ca2692510733..d3a6630266a0 100644 --- a/drivers/platform/Makefile +++ b/drivers/platform/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for linux/drivers/platform # diff --git a/drivers/platform/chrome/Makefile b/drivers/platform/chrome/Makefile index 66c345ca35fc..a077b1f0211d 100644 --- a/drivers/platform/chrome/Makefile +++ b/drivers/platform/chrome/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_CHROMEOS_LAPTOP) += chromeos_laptop.o obj-$(CONFIG_CHROMEOS_PSTORE) += chromeos_pstore.o diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index 91cec1751461..f9e3ae683bbe 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for linux/drivers/platform/x86 # x86 Platform-Specific Drivers diff --git a/drivers/platform/x86/intel_pmc_ipc.c b/drivers/platform/x86/intel_pmc_ipc.c index bb792a52248b..e03fa31446ca 100644 --- a/drivers/platform/x86/intel_pmc_ipc.c +++ b/drivers/platform/x86/intel_pmc_ipc.c @@ -33,6 +33,7 @@ #include <linux/suspend.h> #include <linux/acpi.h> #include <linux/io-64-nonatomic-lo-hi.h> +#include <linux/spinlock.h> #include <asm/intel_pmc_ipc.h> @@ -131,6 +132,7 @@ static struct intel_pmc_ipc_dev { /* gcr */ void __iomem *gcr_mem_base; bool has_gcr_regs; + spinlock_t gcr_lock; /* punit */ struct platform_device *punit_dev; @@ -225,17 +227,17 @@ int intel_pmc_gcr_read(u32 offset, u32 *data) { int ret; - mutex_lock(&ipclock); + spin_lock(&ipcdev.gcr_lock); ret = is_gcr_valid(offset); if (ret < 0) { - mutex_unlock(&ipclock); + spin_unlock(&ipcdev.gcr_lock); return ret; } *data = readl(ipcdev.gcr_mem_base + offset); - mutex_unlock(&ipclock); + spin_unlock(&ipcdev.gcr_lock); return 0; } @@ -255,17 +257,17 @@ int intel_pmc_gcr_write(u32 offset, u32 data) { int ret; - mutex_lock(&ipclock); + spin_lock(&ipcdev.gcr_lock); ret = is_gcr_valid(offset); if (ret < 0) { - mutex_unlock(&ipclock); + spin_unlock(&ipcdev.gcr_lock); return ret; } writel(data, ipcdev.gcr_mem_base + offset); - mutex_unlock(&ipclock); + spin_unlock(&ipcdev.gcr_lock); return 0; } @@ -287,7 +289,7 @@ int intel_pmc_gcr_update(u32 offset, u32 mask, u32 val) u32 new_val; int ret = 0; - mutex_lock(&ipclock); + spin_lock(&ipcdev.gcr_lock); ret = is_gcr_valid(offset); if (ret < 0) @@ -309,7 +311,7 @@ int intel_pmc_gcr_update(u32 offset, u32 mask, u32 val) } gcr_ipc_unlock: - mutex_unlock(&ipclock); + spin_unlock(&ipcdev.gcr_lock); return ret; } EXPORT_SYMBOL_GPL(intel_pmc_gcr_update); @@ -480,52 +482,41 @@ static irqreturn_t ioc(int irq, void *dev_id) static int ipc_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - resource_size_t pci_resource; + struct intel_pmc_ipc_dev *pmc = &ipcdev; int ret; - int len; - ipcdev.dev = &pci_dev_get(pdev)->dev; - ipcdev.irq_mode = IPC_TRIGGER_MODE_IRQ; + /* Only one PMC is supported */ + if (pmc->dev) + return -EBUSY; - ret = pci_enable_device(pdev); + pmc->irq_mode = IPC_TRIGGER_MODE_IRQ; + + spin_lock_init(&ipcdev.gcr_lock); + + ret = pcim_enable_device(pdev); if (ret) return ret; - ret = pci_request_regions(pdev, "intel_pmc_ipc"); + ret = pcim_iomap_regions(pdev, 1 << 0, pci_name(pdev)); if (ret) return ret; - pci_resource = pci_resource_start(pdev, 0); - len = pci_resource_len(pdev, 0); - if (!pci_resource || !len) { - dev_err(&pdev->dev, "Failed to get resource\n"); - return -ENOMEM; - } + init_completion(&pmc->cmd_complete); - init_completion(&ipcdev.cmd_complete); + pmc->ipc_base = pcim_iomap_table(pdev)[0]; - if (request_irq(pdev->irq, ioc, 0, "intel_pmc_ipc", &ipcdev)) { + ret = devm_request_irq(&pdev->dev, pdev->irq, ioc, 0, "intel_pmc_ipc", + pmc); + if (ret) { dev_err(&pdev->dev, "Failed to request irq\n"); - return -EBUSY; + return ret; } - ipcdev.ipc_base = ioremap_nocache(pci_resource, len); - if (!ipcdev.ipc_base) { - dev_err(&pdev->dev, "Failed to ioremap ipc base\n"); - free_irq(pdev->irq, &ipcdev); - ret = -ENOMEM; - } + pmc->dev = &pdev->dev; - return ret; -} + pci_set_drvdata(pdev, pmc); -static void ipc_pci_remove(struct pci_dev *pdev) -{ - free_irq(pdev->irq, &ipcdev); - pci_release_regions(pdev); - pci_dev_put(pdev); - iounmap(ipcdev.ipc_base); - ipcdev.dev = NULL; + return 0; } static const struct pci_device_id ipc_pci_ids[] = { @@ -540,7 +531,6 @@ static struct pci_driver ipc_pci_driver = { .name = "intel_pmc_ipc", .id_table = ipc_pci_ids, .probe = ipc_pci_probe, - .remove = ipc_pci_remove, }; static ssize_t intel_pmc_ipc_simple_cmd_store(struct device *dev, @@ -850,17 +840,12 @@ static int ipc_plat_get_res(struct platform_device *pdev) return -ENXIO; } size = PLAT_RESOURCE_IPC_SIZE + PLAT_RESOURCE_GCR_SIZE; + res->end = res->start + size - 1; + + addr = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(addr)) + return PTR_ERR(addr); - if (!request_mem_region(res->start, size, pdev->name)) { - dev_err(&pdev->dev, "Failed to request ipc resource\n"); - return -EBUSY; - } - addr = ioremap_nocache(res->start, size); - if (!addr) { - dev_err(&pdev->dev, "I/O memory remapping failed\n"); - release_mem_region(res->start, size); - return -ENOMEM; - } ipcdev.ipc_base = addr; ipcdev.gcr_mem_base = addr + PLAT_RESOURCE_GCR_OFFSET; @@ -917,12 +902,12 @@ MODULE_DEVICE_TABLE(acpi, ipc_acpi_ids); static int ipc_plat_probe(struct platform_device *pdev) { - struct resource *res; int ret; ipcdev.dev = &pdev->dev; ipcdev.irq_mode = IPC_TRIGGER_MODE_IRQ; init_completion(&ipcdev.cmd_complete); + spin_lock_init(&ipcdev.gcr_lock); ipcdev.irq = platform_get_irq(pdev, 0); if (ipcdev.irq < 0) { @@ -939,11 +924,11 @@ static int ipc_plat_probe(struct platform_device *pdev) ret = ipc_create_pmc_devices(); if (ret) { dev_err(&pdev->dev, "Failed to create pmc devices\n"); - goto err_device; + return ret; } - if (request_irq(ipcdev.irq, ioc, IRQF_NO_SUSPEND, - "intel_pmc_ipc", &ipcdev)) { + if (devm_request_irq(&pdev->dev, ipcdev.irq, ioc, IRQF_NO_SUSPEND, + "intel_pmc_ipc", &ipcdev)) { dev_err(&pdev->dev, "Failed to request irq\n"); ret = -EBUSY; goto err_irq; @@ -960,40 +945,22 @@ static int ipc_plat_probe(struct platform_device *pdev) return 0; err_sys: - free_irq(ipcdev.irq, &ipcdev); + devm_free_irq(&pdev->dev, ipcdev.irq, &ipcdev); err_irq: platform_device_unregister(ipcdev.tco_dev); platform_device_unregister(ipcdev.punit_dev); platform_device_unregister(ipcdev.telemetry_dev); -err_device: - iounmap(ipcdev.ipc_base); - res = platform_get_resource(pdev, IORESOURCE_MEM, - PLAT_RESOURCE_IPC_INDEX); - if (res) { - release_mem_region(res->start, - PLAT_RESOURCE_IPC_SIZE + - PLAT_RESOURCE_GCR_SIZE); - } + return ret; } static int ipc_plat_remove(struct platform_device *pdev) { - struct resource *res; - sysfs_remove_group(&pdev->dev.kobj, &intel_ipc_group); - free_irq(ipcdev.irq, &ipcdev); + devm_free_irq(&pdev->dev, ipcdev.irq, &ipcdev); platform_device_unregister(ipcdev.tco_dev); platform_device_unregister(ipcdev.punit_dev); platform_device_unregister(ipcdev.telemetry_dev); - iounmap(ipcdev.ipc_base); - res = platform_get_resource(pdev, IORESOURCE_MEM, - PLAT_RESOURCE_IPC_INDEX); - if (res) { - release_mem_region(res->start, - PLAT_RESOURCE_IPC_SIZE + - PLAT_RESOURCE_GCR_SIZE); - } ipcdev.dev = NULL; return 0; } diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index bb1dcd7fbdeb..e8d058c5ef21 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -2510,7 +2510,6 @@ static const struct iio_chan_spec toshiba_iio_accel_channels[] = { }; static const struct iio_info toshiba_iio_accel_info = { - .driver_module = THIS_MODULE, .read_raw = &toshiba_iio_accel_read_raw, }; diff --git a/drivers/pnp/Makefile b/drivers/pnp/Makefile index bfba893cb321..71d532f18219 100644 --- a/drivers/pnp/Makefile +++ b/drivers/pnp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux Plug-and-Play Support. # diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index 3151fd164614..cdcfa39cf167 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2008 Hewlett-Packard Development Company, L.P. * Bjorn Helgaas <bjorn.helgaas@hp.com> diff --git a/drivers/pnp/card.c b/drivers/pnp/card.c index 31ad9fc3f701..c2464ee08e4a 100644 --- a/drivers/pnp/card.c +++ b/drivers/pnp/card.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * card.c - contains functions for managing groups of PnP devices * diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index b54620e53830..3bf18d718975 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * core.c - contains all core device and protocol registration functions * diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c index 63452f20e3e9..93a30a8f88d1 100644 --- a/drivers/pnp/driver.c +++ b/drivers/pnp/driver.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * driver.c - device id matching, driver model, etc. * diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c index 5c5b3d47b5f6..187e4a1175b0 100644 --- a/drivers/pnp/interface.c +++ b/drivers/pnp/interface.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * interface.c - contains everything related to the user interface * diff --git a/drivers/pnp/isapnp/compat.c b/drivers/pnp/isapnp/compat.c index 10bdcc4d4f7b..6c845b628316 100644 --- a/drivers/pnp/isapnp/compat.c +++ b/drivers/pnp/isapnp/compat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * compat.c - A series of functions to make it easier to convert drivers that use * the old isapnp APIs. If possible use the new APIs instead. diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index 7ad3295752ef..144055593ec8 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * manager.c - Resource Management, Conflict Resolution, Activation and Disabling of Devices * diff --git a/drivers/pnp/pnpacpi/pnpacpi.h b/drivers/pnp/pnpacpi/pnpacpi.h index 051ef9699777..4489cd6dbc84 100644 --- a/drivers/pnp/pnpacpi/pnpacpi.h +++ b/drivers/pnp/pnpacpi/pnpacpi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ACPI_PNP_H #define ACPI_PNP_H diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c index ff563db025b3..ba5cfc3dbe11 100644 --- a/drivers/pnp/pnpbios/bioscalls.c +++ b/drivers/pnp/pnpbios/bioscalls.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * bioscalls.c - the lowlevel layer of the PnPBIOS driver */ diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c index 5ee6b2a5f8d5..7d4aca7948dd 100644 --- a/drivers/pnp/pnpbios/proc.c +++ b/drivers/pnp/pnpbios/proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * /proc/bus/pnp interface for Plug and Play devices * diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index cca2f9f9f3e3..2f31b212b1a5 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * rsparser.c - parses and encodes pnpbios resource data streams */ diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c index d28e3ab9479c..f054cdddfef8 100644 --- a/drivers/pnp/quirks.c +++ b/drivers/pnp/quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This file contains quirk handling code for PnP devices * Some devices do not report all their resources, and need to have extra diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index f980ff7166e9..70d4ba95735a 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * resource.c - Contains functions for registering and analyzing resource information * diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c index f5beb24d036a..e4f53d31191d 100644 --- a/drivers/pnp/support.c +++ b/drivers/pnp/support.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * support.c - standard functions for the use of pnp protocol drivers * diff --git a/drivers/pnp/system.c b/drivers/pnp/system.c index 49c1720df59a..6950503741eb 100644 --- a/drivers/pnp/system.c +++ b/drivers/pnp/system.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * system.c - a driver for reserving pnp system resources * diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c index 974fd684bab2..89bf4d6cb486 100644 --- a/drivers/power/avs/smartreflex.c +++ b/drivers/power/avs/smartreflex.c @@ -355,7 +355,7 @@ int sr_configure_errgen(struct omap_sr *sr) u8 senp_shift, senn_shift; if (!sr) { - pr_warn("%s: NULL omap_sr from %pF\n", + pr_warn("%s: NULL omap_sr from %pS\n", __func__, (void *)_RET_IP_); return -EINVAL; } @@ -422,7 +422,7 @@ int sr_disable_errgen(struct omap_sr *sr) u32 vpboundint_en, vpboundint_st; if (!sr) { - pr_warn("%s: NULL omap_sr from %pF\n", + pr_warn("%s: NULL omap_sr from %pS\n", __func__, (void *)_RET_IP_); return -EINVAL; } @@ -477,7 +477,7 @@ int sr_configure_minmax(struct omap_sr *sr) u8 senp_shift, senn_shift; if (!sr) { - pr_warn("%s: NULL omap_sr from %pF\n", + pr_warn("%s: NULL omap_sr from %pS\n", __func__, (void *)_RET_IP_); return -EINVAL; } @@ -562,7 +562,7 @@ int sr_enable(struct omap_sr *sr, unsigned long volt) int ret; if (!sr) { - pr_warn("%s: NULL omap_sr from %pF\n", + pr_warn("%s: NULL omap_sr from %pS\n", __func__, (void *)_RET_IP_); return -EINVAL; } @@ -614,7 +614,7 @@ int sr_enable(struct omap_sr *sr, unsigned long volt) void sr_disable(struct omap_sr *sr) { if (!sr) { - pr_warn("%s: NULL omap_sr from %pF\n", + pr_warn("%s: NULL omap_sr from %pS\n", __func__, (void *)_RET_IP_); return; } diff --git a/drivers/power/reset/Makefile b/drivers/power/reset/Makefile index 58cf5b30559f..aeb65edb17b7 100644 --- a/drivers/power/reset/Makefile +++ b/drivers/power/reset/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_POWER_RESET_AS3722) += as3722-poweroff.o obj-$(CONFIG_POWER_RESET_AT91_POWEROFF) += at91-poweroff.o obj-$(CONFIG_POWER_RESET_AT91_RESET) += at91-reset.o diff --git a/drivers/power/reset/gemini-poweroff.c b/drivers/power/reset/gemini-poweroff.c index de878fd26f27..ff75af5abbc5 100644 --- a/drivers/power/reset/gemini-poweroff.c +++ b/drivers/power/reset/gemini-poweroff.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Gemini power management controller * Copyright (C) 2017 Linus Walleij <linus.walleij@linaro.org> diff --git a/drivers/power/reset/piix4-poweroff.c b/drivers/power/reset/piix4-poweroff.c index bacfc95783f0..20ce3ff5e039 100644 --- a/drivers/power/reset/piix4-poweroff.c +++ b/drivers/power/reset/piix4-poweroff.c @@ -1,6 +1,6 @@ /* * Copyright (C) 2016 Imagination Technologies - * Author: Paul Burton <paul.burton@imgtec.com> + * Author: Paul Burton <paul.burton@mips.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -109,5 +109,5 @@ static struct pci_driver piix4_poweroff_driver = { }; module_pci_driver(piix4_poweroff_driver); -MODULE_AUTHOR("Paul Burton <paul.burton@imgtec.com>"); +MODULE_AUTHOR("Paul Burton <paul.burton@mips.com>"); MODULE_LICENSE("GPL"); diff --git a/drivers/power/supply/Makefile b/drivers/power/supply/Makefile index 621a19058fec..aae4e4a8bbb3 100644 --- a/drivers/power/supply/Makefile +++ b/drivers/power/supply/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-$(CONFIG_POWER_SUPPLY_DEBUG) := -DDEBUG power_supply-y := power_supply_core.o diff --git a/drivers/power/supply/ab8500_bmdata.c b/drivers/power/supply/ab8500_bmdata.c index 8c49586015d0..4a7ed50d1dc5 100644 --- a/drivers/power/supply/ab8500_bmdata.c +++ b/drivers/power/supply/ab8500_bmdata.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/power_supply.h> #include <linux/of.h> diff --git a/drivers/ptp/Makefile b/drivers/ptp/Makefile index d1f2fb19c980..fd28207f5379 100644 --- a/drivers/ptp/Makefile +++ b/drivers/ptp/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for PTP 1588 clock support. # diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile index ebefba5f528b..0258a745f30c 100644 --- a/drivers/pwm/Makefile +++ b/drivers/pwm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PWM) += core.o obj-$(CONFIG_PWM_SYSFS) += sysfs.o obj-$(CONFIG_PWM_AB8500) += pwm-ab8500.o diff --git a/drivers/rapidio/Makefile b/drivers/rapidio/Makefile index 74dcea45ad49..a34b0254ba38 100644 --- a/drivers/rapidio/Makefile +++ b/drivers/rapidio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for RapidIO interconnect services # diff --git a/drivers/rapidio/switches/Makefile b/drivers/rapidio/switches/Makefile index 6bdd54c4e733..69e7de31e41c 100644 --- a/drivers/rapidio/switches/Makefile +++ b/drivers/rapidio/switches/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for RIO switches # diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c index e2c1988cd7c0..ca44e6977cf2 100644 --- a/drivers/ras/cec.c +++ b/drivers/ras/cec.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/mm.h> #include <linux/gfp.h> #include <linux/kernel.h> @@ -168,11 +169,9 @@ static void cec_mod_timer(struct timer_list *t, unsigned long interval) mod_timer(t, round_jiffies(iv)); } -static void cec_timer_fn(unsigned long data) +static void cec_timer_fn(struct timer_list *unused) { - struct ce_array *ca = (struct ce_array *)data; - - do_spring_cleaning(ca); + do_spring_cleaning(&ce_arr); cec_mod_timer(&cec_timer, timer_interval); } @@ -509,7 +508,7 @@ void __init cec_init(void) if (create_debugfs_nodes()) return; - setup_timer(&cec_timer, cec_timer_fn, (unsigned long)&ce_arr); + timer_setup(&cec_timer, cec_timer_fn, 0); cec_mod_timer(&cec_timer, CEC_TIMER_DEFAULT_INTERVAL); pr_info("Correctable Errors collector initialized.\n"); diff --git a/drivers/ras/debugfs.h b/drivers/ras/debugfs.h index db72e4513191..c07443b462ad 100644 --- a/drivers/ras/debugfs.h +++ b/drivers/ras/debugfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RAS_DEBUGFS_H__ #define __RAS_DEBUGFS_H__ diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c index 5429d3795732..3f38907320dc 100644 --- a/drivers/ras/ras.c +++ b/drivers/ras/ras.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Intel Corporation * diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 0fd6195601ba..96cd55f9e3c5 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -244,7 +244,7 @@ config REGULATOR_DA9210 interface. config REGULATOR_DA9211 - tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9214/DA9215 regulator" + tristate "Dialog Semiconductor DA9211/DA9212/DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 regulator" depends on I2C select REGMAP_I2C help diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index cbb6e45c77b2..80ffc57a9ca3 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for regulator drivers. # diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c index f18b36dd57dd..181622b2813d 100644 --- a/drivers/regulator/axp20x-regulator.c +++ b/drivers/regulator/axp20x-regulator.c @@ -244,6 +244,7 @@ static const struct regulator_desc axp22x_drivevbus_regulator = { .ops = &axp20x_ops_sw, }; +/* DCDC ranges shared with AXP813 */ static const struct regulator_linear_range axp803_dcdc234_ranges[] = { REGULATOR_LINEAR_RANGE(500000, 0x0, 0x46, 10000), REGULATOR_LINEAR_RANGE(1220000, 0x47, 0x4b, 20000), @@ -426,6 +427,69 @@ static const struct regulator_desc axp809_regulators[] = { AXP_DESC_SW(AXP809, SW, "sw", "swin", AXP22X_PWR_OUT_CTRL2, BIT(6)), }; +static const struct regulator_desc axp813_regulators[] = { + AXP_DESC(AXP813, DCDC1, "dcdc1", "vin1", 1600, 3400, 100, + AXP803_DCDC1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL1, BIT(0)), + AXP_DESC_RANGES(AXP813, DCDC2, "dcdc2", "vin2", axp803_dcdc234_ranges, + 76, AXP803_DCDC2_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(1)), + AXP_DESC_RANGES(AXP813, DCDC3, "dcdc3", "vin3", axp803_dcdc234_ranges, + 76, AXP803_DCDC3_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(2)), + AXP_DESC_RANGES(AXP813, DCDC4, "dcdc4", "vin4", axp803_dcdc234_ranges, + 76, AXP803_DCDC4_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(3)), + AXP_DESC_RANGES(AXP813, DCDC5, "dcdc5", "vin5", axp803_dcdc5_ranges, + 68, AXP803_DCDC5_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(4)), + AXP_DESC_RANGES(AXP813, DCDC6, "dcdc6", "vin6", axp803_dcdc6_ranges, + 72, AXP803_DCDC6_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(5)), + AXP_DESC_RANGES(AXP813, DCDC7, "dcdc7", "vin7", axp803_dcdc6_ranges, + 72, AXP813_DCDC7_V_OUT, 0x7f, AXP22X_PWR_OUT_CTRL1, + BIT(6)), + AXP_DESC(AXP813, ALDO1, "aldo1", "aldoin", 700, 3300, 100, + AXP22X_ALDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(5)), + AXP_DESC(AXP813, ALDO2, "aldo2", "aldoin", 700, 3300, 100, + AXP22X_ALDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(6)), + AXP_DESC(AXP813, ALDO3, "aldo3", "aldoin", 700, 3300, 100, + AXP22X_ALDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL3, BIT(7)), + AXP_DESC(AXP813, DLDO1, "dldo1", "dldoin", 700, 3300, 100, + AXP22X_DLDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(3)), + AXP_DESC_RANGES(AXP813, DLDO2, "dldo2", "dldoin", axp803_dldo2_ranges, + 32, AXP22X_DLDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, + BIT(4)), + AXP_DESC(AXP813, DLDO3, "dldo3", "dldoin", 700, 3300, 100, + AXP22X_DLDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(5)), + AXP_DESC(AXP813, DLDO4, "dldo4", "dldoin", 700, 3300, 100, + AXP22X_DLDO4_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(6)), + AXP_DESC(AXP813, ELDO1, "eldo1", "eldoin", 700, 1900, 50, + AXP22X_ELDO1_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(0)), + AXP_DESC(AXP813, ELDO2, "eldo2", "eldoin", 700, 1900, 50, + AXP22X_ELDO2_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(1)), + AXP_DESC(AXP813, ELDO3, "eldo3", "eldoin", 700, 1900, 50, + AXP22X_ELDO3_V_OUT, 0x1f, AXP22X_PWR_OUT_CTRL2, BIT(2)), + /* to do / check ... */ + AXP_DESC(AXP813, FLDO1, "fldo1", "fldoin", 700, 1450, 50, + AXP803_FLDO1_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(2)), + AXP_DESC(AXP813, FLDO2, "fldo2", "fldoin", 700, 1450, 50, + AXP803_FLDO2_V_OUT, 0x0f, AXP22X_PWR_OUT_CTRL3, BIT(3)), + /* + * TODO: FLDO3 = {DCDC5, FLDOIN} / 2 + * + * This means FLDO3 effectively switches supplies at runtime, + * something the regulator subsystem does not support. + */ + AXP_DESC_FIXED(AXP813, RTC_LDO, "rtc-ldo", "ips", 1800), + AXP_DESC_IO(AXP813, LDO_IO0, "ldo-io0", "ips", 700, 3300, 100, + AXP22X_LDO_IO0_V_OUT, 0x1f, AXP20X_GPIO0_CTRL, 0x07, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_IO(AXP813, LDO_IO1, "ldo-io1", "ips", 700, 3300, 100, + AXP22X_LDO_IO1_V_OUT, 0x1f, AXP20X_GPIO1_CTRL, 0x07, + AXP22X_IO_ENABLED, AXP22X_IO_DISABLED), + AXP_DESC_SW(AXP813, SW, "sw", "swin", AXP22X_PWR_OUT_CTRL2, BIT(7)), +}; + static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) { struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent); @@ -441,9 +505,10 @@ static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq) step = 75; break; case AXP803_ID: + case AXP813_ID: /* - * AXP803 DCDC work frequency setting has the same range and - * step as AXP22X, but at a different register. + * AXP803/AXP813 DCDC work frequency setting has the same + * range and step as AXP22X, but at a different register. * Fall through to the check below. * (See include/linux/mfd/axp20x.h) */ @@ -561,6 +626,14 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work workmode <<= id - AXP803_DCDC1; break; + case AXP813_ID: + if (id < AXP813_DCDC1 || id > AXP813_DCDC7) + return -EINVAL; + + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP813_DCDC1); + workmode <<= id - AXP813_DCDC1; + break; + default: /* should not happen */ WARN_ON(1); @@ -579,18 +652,19 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id) u32 reg = 0; /* - * Currently in our supported AXP variants, only AXP803 and AXP806 - * have polyphase regulators. + * Currently in our supported AXP variants, only AXP803, AXP806, + * and AXP813 have polyphase regulators. */ switch (axp20x->variant) { case AXP803_ID: + case AXP813_ID: regmap_read(axp20x->regmap, AXP803_POLYPHASE_CTRL, ®); switch (id) { case AXP803_DCDC3: return !!(reg & BIT(6)); case AXP803_DCDC6: - return !!(reg & BIT(7)); + return !!(reg & BIT(5)); } break; @@ -656,6 +730,12 @@ static int axp20x_regulator_probe(struct platform_device *pdev) regulators = axp809_regulators; nregulators = AXP809_REG_ID_MAX; break; + case AXP813_ID: + regulators = axp813_regulators; + nregulators = AXP813_REG_ID_MAX; + drivevbus = of_property_read_bool(pdev->dev.parent->of_node, + "x-powers,drive-vbus-en"); + break; default: dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n", axp20x->variant); @@ -677,6 +757,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev) if (axp20x_is_polyphase_slave(axp20x, i)) continue; + /* Support for AXP813's FLDO3 is not implemented */ + if (axp20x->variant == AXP813_ID && i == AXP813_FLDO3) + continue; + /* * Regulators DC1SW and DC5LDO are connected internally, * so we have to handle their supply names separately. diff --git a/drivers/regulator/da9211-regulator.c b/drivers/regulator/da9211-regulator.c index aa47280efd32..9b8f47617724 100644 --- a/drivers/regulator/da9211-regulator.c +++ b/drivers/regulator/da9211-regulator.c @@ -1,6 +1,6 @@ /* * da9211-regulator.c - Regulator device driver for DA9211/DA9212 - * /DA9213/DA9214/DA9215 + * /DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 * Copyright (C) 2015 Dialog Semiconductor Ltd. * * This library is free software; you can redistribute it and/or @@ -496,8 +496,11 @@ static const struct i2c_device_id da9211_i2c_id[] = { {"da9211", DA9211}, {"da9212", DA9212}, {"da9213", DA9213}, + {"da9223", DA9223}, {"da9214", DA9214}, + {"da9224", DA9224}, {"da9215", DA9215}, + {"da9225", DA9225}, {}, }; MODULE_DEVICE_TABLE(i2c, da9211_i2c_id); @@ -507,8 +510,11 @@ static const struct of_device_id da9211_dt_ids[] = { { .compatible = "dlg,da9211", .data = &da9211_i2c_id[0] }, { .compatible = "dlg,da9212", .data = &da9211_i2c_id[1] }, { .compatible = "dlg,da9213", .data = &da9211_i2c_id[2] }, - { .compatible = "dlg,da9214", .data = &da9211_i2c_id[3] }, - { .compatible = "dlg,da9215", .data = &da9211_i2c_id[4] }, + { .compatible = "dlg,da9223", .data = &da9211_i2c_id[3] }, + { .compatible = "dlg,da9214", .data = &da9211_i2c_id[4] }, + { .compatible = "dlg,da9224", .data = &da9211_i2c_id[5] }, + { .compatible = "dlg,da9215", .data = &da9211_i2c_id[6] }, + { .compatible = "dlg,da9225", .data = &da9211_i2c_id[7] }, {}, }; MODULE_DEVICE_TABLE(of, da9211_dt_ids); @@ -526,5 +532,5 @@ static struct i2c_driver da9211_regulator_driver = { module_i2c_driver(da9211_regulator_driver); MODULE_AUTHOR("James Ban <James.Ban.opensource@diasemi.com>"); -MODULE_DESCRIPTION("DA9211/DA9212/DA9213/DA9214/DA9215 regulator driver"); +MODULE_DESCRIPTION("DA9211/DA9212/DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 regulator driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/regulator/da9211-regulator.h b/drivers/regulator/da9211-regulator.h index b841bbf330cc..2cb32aab4f82 100644 --- a/drivers/regulator/da9211-regulator.h +++ b/drivers/regulator/da9211-regulator.h @@ -1,6 +1,6 @@ /* * da9211-regulator.h - Regulator definitions for DA9211/DA9212 - * /DA9213/DA9214/DA9215 + * /DA9213/DA9223/DA9214/DA9224/DA9215/DA9225 * Copyright (C) 2015 Dialog Semiconductor Ltd. * * This program is free software; you can redistribute it and/or diff --git a/drivers/regulator/fixed-helper.c b/drivers/regulator/fixed-helper.c index f9d027992aae..777fac6fb4cb 100644 --- a/drivers/regulator/fixed-helper.c +++ b/drivers/regulator/fixed-helper.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> #include <linux/string.h> #include <linux/platform_device.h> diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c index 0cb76ba29e84..8f782d22fdbe 100644 --- a/drivers/regulator/pbias-regulator.c +++ b/drivers/regulator/pbias-regulator.c @@ -34,6 +34,8 @@ struct pbias_reg_info { u32 vmode; unsigned int enable_time; char *name; + const unsigned int *pbias_volt_table; + int n_voltages; }; struct pbias_regulator_data { @@ -49,11 +51,16 @@ struct pbias_of_data { unsigned int offset; }; -static const unsigned int pbias_volt_table[] = { +static const unsigned int pbias_volt_table_3_0V[] = { 1800000, 3000000 }; +static const unsigned int pbias_volt_table_3_3V[] = { + 1800000, + 3300000 +}; + static const struct regulator_ops pbias_regulator_voltage_ops = { .list_voltage = regulator_list_voltage_table, .get_voltage_sel = regulator_get_voltage_sel_regmap, @@ -69,6 +76,8 @@ static const struct pbias_reg_info pbias_mmc_omap2430 = { .vmode = BIT(0), .disable_val = 0, .enable_time = 100, + .pbias_volt_table = pbias_volt_table_3_0V, + .n_voltages = 2, .name = "pbias_mmc_omap2430" }; @@ -77,6 +86,8 @@ static const struct pbias_reg_info pbias_sim_omap3 = { .enable_mask = BIT(9), .vmode = BIT(8), .enable_time = 100, + .pbias_volt_table = pbias_volt_table_3_0V, + .n_voltages = 2, .name = "pbias_sim_omap3" }; @@ -86,6 +97,8 @@ static const struct pbias_reg_info pbias_mmc_omap4 = { .disable_val = BIT(25), .vmode = BIT(21), .enable_time = 100, + .pbias_volt_table = pbias_volt_table_3_0V, + .n_voltages = 2, .name = "pbias_mmc_omap4" }; @@ -95,6 +108,8 @@ static const struct pbias_reg_info pbias_mmc_omap5 = { .disable_val = BIT(25), .vmode = BIT(21), .enable_time = 100, + .pbias_volt_table = pbias_volt_table_3_3V, + .n_voltages = 2, .name = "pbias_mmc_omap5" }; @@ -199,8 +214,8 @@ static int pbias_regulator_probe(struct platform_device *pdev) drvdata[data_idx].desc.owner = THIS_MODULE; drvdata[data_idx].desc.type = REGULATOR_VOLTAGE; drvdata[data_idx].desc.ops = &pbias_regulator_voltage_ops; - drvdata[data_idx].desc.volt_table = pbias_volt_table; - drvdata[data_idx].desc.n_voltages = 2; + drvdata[data_idx].desc.volt_table = info->pbias_volt_table; + drvdata[data_idx].desc.n_voltages = info->n_voltages; drvdata[data_idx].desc.enable_time = info->enable_time; drvdata[data_idx].desc.vsel_reg = offset; drvdata[data_idx].desc.vsel_mask = info->vmode; diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c index 16c5f84e06a7..0241ada47d04 100644 --- a/drivers/regulator/qcom_spmi-regulator.c +++ b/drivers/regulator/qcom_spmi-regulator.c @@ -593,13 +593,20 @@ static int spmi_sw_selector_to_hw(struct spmi_regulator *vreg, u8 *voltage_sel) { const struct spmi_voltage_range *range, *end; + unsigned offset; range = vreg->set_points->range; end = range + vreg->set_points->count; for (; range < end; range++) { if (selector < range->n_voltages) { - *voltage_sel = selector; + /* + * hardware selectors between set point min and real + * min are invalid so we ignore them + */ + offset = range->set_point_min_uV - range->min_uV; + offset /= range->step_uV; + *voltage_sel = selector + offset; *range_sel = range->range_sel; return 0; } @@ -613,15 +620,35 @@ static int spmi_sw_selector_to_hw(struct spmi_regulator *vreg, static int spmi_hw_selector_to_sw(struct spmi_regulator *vreg, u8 hw_sel, const struct spmi_voltage_range *range) { - int sw_sel = hw_sel; + unsigned sw_sel = 0; + unsigned offset, max_hw_sel; const struct spmi_voltage_range *r = vreg->set_points->range; - - while (r != range) { + const struct spmi_voltage_range *end = r + vreg->set_points->count; + + for (; r < end; r++) { + if (r == range && range->n_voltages) { + /* + * hardware selectors between set point min and real + * min and between set point max and real max are + * invalid so we return an error if they're + * programmed into the hardware + */ + offset = range->set_point_min_uV - range->min_uV; + offset /= range->step_uV; + if (hw_sel < offset) + return -EINVAL; + + max_hw_sel = range->set_point_max_uV - range->min_uV; + max_hw_sel /= range->step_uV; + if (hw_sel > max_hw_sel) + return -EINVAL; + + return sw_sel + hw_sel - offset; + } sw_sel += r->n_voltages; - r++; } - return sw_sel; + return -EINVAL; } static const struct spmi_voltage_range * @@ -1619,11 +1646,20 @@ static const struct spmi_regulator_data pm8994_regulators[] = { { } }; +static const struct spmi_regulator_data pmi8994_regulators[] = { + { "s1", 0x1400, "vdd_s1", }, + { "s2", 0x1700, "vdd_s2", }, + { "s3", 0x1a00, "vdd_s3", }, + { "l1", 0x4000, "vdd_l1", }, + { } +}; + static const struct of_device_id qcom_spmi_regulator_match[] = { { .compatible = "qcom,pm8841-regulators", .data = &pm8841_regulators }, { .compatible = "qcom,pm8916-regulators", .data = &pm8916_regulators }, { .compatible = "qcom,pm8941-regulators", .data = &pm8941_regulators }, { .compatible = "qcom,pm8994-regulators", .data = &pm8994_regulators }, + { .compatible = "qcom,pmi8994-regulators", .data = &pmi8994_regulators }, { } }; MODULE_DEVICE_TABLE(of, qcom_spmi_regulator_match); diff --git a/drivers/regulator/rn5t618-regulator.c b/drivers/regulator/rn5t618-regulator.c index ef2be56460fe..790a4a73ea2c 100644 --- a/drivers/regulator/rn5t618-regulator.c +++ b/drivers/regulator/rn5t618-regulator.c @@ -29,7 +29,7 @@ static const struct regulator_ops rn5t618_reg_ops = { }; #define REG(rid, ereg, emask, vreg, vmask, min, max, step) \ - [RN5T618_##rid] = { \ + { \ .name = #rid, \ .of_match = of_match_ptr(#rid), \ .regulators_node = of_match_ptr("regulators"), \ diff --git a/drivers/regulator/tps65218-regulator.c b/drivers/regulator/tps65218-regulator.c index 9aafbb03482d..bc489958fed7 100644 --- a/drivers/regulator/tps65218-regulator.c +++ b/drivers/regulator/tps65218-regulator.c @@ -154,7 +154,7 @@ static int tps65218_pmic_set_suspend_disable(struct regulator_dev *dev) if (!tps->strobes[rid]) { if (rid == TPS65218_DCDC_3) - tps->info[rid]->strobe = 3; + tps->strobes[rid] = 3; else return -EINVAL; } diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile index 1a0b3dd44b8c..6e16450ce11f 100644 --- a/drivers/remoteproc/Makefile +++ b/drivers/remoteproc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Generic framework for controlling remote processors # diff --git a/drivers/remoteproc/qcom_common.h b/drivers/remoteproc/qcom_common.h index 4f8bc168473c..832e20271664 100644 --- a/drivers/remoteproc/qcom_common.h +++ b/drivers/remoteproc/qcom_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RPROC_QCOM_COMMON_H__ #define __RPROC_QCOM_COMMON_H__ diff --git a/drivers/remoteproc/qcom_wcnss.h b/drivers/remoteproc/qcom_wcnss.h index 25fb7f62a457..62c8682d0a92 100644 --- a/drivers/remoteproc/qcom_wcnss.h +++ b/drivers/remoteproc/qcom_wcnss.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __QCOM_WNCSS_H__ #define __QCOM_WNCSS_H__ diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index af1c15c330b3..c1fd702ac57c 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += core.o obj-y += hisilicon/ obj-$(CONFIG_ARCH_STI) += sti/ diff --git a/drivers/rpmsg/Makefile b/drivers/rpmsg/Makefile index c71f4ab1ae17..9aa859502d27 100644 --- a/drivers/rpmsg/Makefile +++ b/drivers/rpmsg/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_RPMSG) += rpmsg_core.o obj-$(CONFIG_RPMSG_CHAR) += rpmsg_char.o obj-$(CONFIG_RPMSG_QCOM_GLINK_RPM) += qcom_glink_rpm.o diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 7230014c92af..0bf1fc02b82c 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for RTC class/drivers. # diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 2ed970d61da1..722d683e0b0f 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -161,6 +161,9 @@ static struct rtc_device *rtc_allocate_device(void) device_initialize(&rtc->dev); + /* Drivers can revise this default after allocating the device. */ + rtc->set_offset_nsec = NSEC_PER_SEC / 2; + rtc->irq_freq = 1; rtc->max_user_freq = 64; rtc->dev.class = rtc_class; diff --git a/drivers/rtc/rtc-core.h b/drivers/rtc/rtc-core.h index ecab76a3207c..513b9bedd2c8 100644 --- a/drivers/rtc/rtc-core.h +++ b/drivers/rtc/rtc-core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_RTC_INTF_DEV extern void __init rtc_dev_init(void); diff --git a/drivers/rtc/rtc-efi-platform.c b/drivers/rtc/rtc-efi-platform.c index 1a7f1d1bc174..6c037dc4e3dc 100644 --- a/drivers/rtc/rtc-efi-platform.c +++ b/drivers/rtc/rtc-efi-platform.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Moved from arch/ia64/kernel/time.c * diff --git a/drivers/rtc/rtc-sa1100.h b/drivers/rtc/rtc-sa1100.h index 2c79c0c57822..cc724f5b07bc 100644 --- a/drivers/rtc/rtc-sa1100.h +++ b/drivers/rtc/rtc-sa1100.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RTC_SA1100_H__ #define __RTC_SA1100_H__ diff --git a/drivers/rtc/systohc.c b/drivers/rtc/systohc.c index b4a68ffcd06b..0c177647ea6c 100644 --- a/drivers/rtc/systohc.c +++ b/drivers/rtc/systohc.c @@ -10,6 +10,7 @@ /** * rtc_set_ntp_time - Save NTP synchronized time to the RTC * @now: Current time of day + * @target_nsec: pointer for desired now->tv_nsec value * * Replacement for the NTP platform function update_persistent_clock64 * that stores time for later retrieval by rtc_hctosys. @@ -18,30 +19,52 @@ * possible at all, and various other -errno for specific temporary failure * cases. * + * -EPROTO is returned if now.tv_nsec is not close enough to *target_nsec. + ( * If temporary failure is indicated the caller should try again 'soon' */ -int rtc_set_ntp_time(struct timespec64 now) +int rtc_set_ntp_time(struct timespec64 now, unsigned long *target_nsec) { struct rtc_device *rtc; struct rtc_time tm; + struct timespec64 to_set; int err = -ENODEV; - - if (now.tv_nsec < (NSEC_PER_SEC >> 1)) - rtc_time64_to_tm(now.tv_sec, &tm); - else - rtc_time64_to_tm(now.tv_sec + 1, &tm); + bool ok; rtc = rtc_class_open(CONFIG_RTC_SYSTOHC_DEVICE); - if (rtc) { - /* rtc_hctosys exclusively uses UTC, so we call set_time here, - * not set_mmss. */ - if (rtc->ops && - (rtc->ops->set_time || - rtc->ops->set_mmss64 || - rtc->ops->set_mmss)) - err = rtc_set_time(rtc, &tm); - rtc_class_close(rtc); + if (!rtc) + goto out_err; + + if (!rtc->ops || (!rtc->ops->set_time && !rtc->ops->set_mmss64 && + !rtc->ops->set_mmss)) + goto out_close; + + /* Compute the value of tv_nsec we require the caller to supply in + * now.tv_nsec. This is the value such that (now + + * set_offset_nsec).tv_nsec == 0. + */ + set_normalized_timespec64(&to_set, 0, -rtc->set_offset_nsec); + *target_nsec = to_set.tv_nsec; + + /* The ntp code must call this with the correct value in tv_nsec, if + * it does not we update target_nsec and return EPROTO to make the ntp + * code try again later. + */ + ok = rtc_tv_nsec_ok(rtc->set_offset_nsec, &to_set, &now); + if (!ok) { + err = -EPROTO; + goto out_close; } + rtc_time64_to_tm(to_set.tv_sec, &tm); + + /* rtc_hctosys exclusively uses UTC, so we call set_time here, not + * set_mmss. + */ + err = rtc_set_time(rtc, &tm); + +out_close: + rtc_class_close(rtc); +out_err: return err; } diff --git a/drivers/s390/block/Makefile b/drivers/s390/block/Makefile index b64e2b32c753..60c85cff556f 100644 --- a/drivers/s390/block/Makefile +++ b/drivers/s390/block/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # S/390 block devices # diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c index e448a0fc0c09..c94b606e0df8 100644 --- a/drivers/s390/block/dasd_3990_erp.c +++ b/drivers/s390/block/dasd_3990_erp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Horst Hummel <Horst.Hummel@de.ibm.com> * Holger Smolinski <Holger.Smolinski@de.ibm.com> diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 0e0e622eadc3..62f5f04d8f61 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PAV alias management for the DASD ECKD discipline * diff --git a/drivers/s390/block/dasd_diag.h b/drivers/s390/block/dasd_diag.h index e84a5468d810..405b6feed465 100644 --- a/drivers/s390/block/dasd_diag.h +++ b/drivers/s390/block/dasd_diag.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Based on.......: linux/drivers/s390/block/mdisk.h diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index 34e153a6b19c..5869d2fede35 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c index 8713fefd794b..a7917d473774 100644 --- a/drivers/s390/block/dasd_eer.c +++ b/drivers/s390/block/dasd_eer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Character device driver for extended error reporting. * @@ -295,7 +296,7 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device, { struct dasd_ccw_req *temp_cqr; int data_size; - struct timeval tv; + struct timespec64 ts; struct dasd_eer_header header; unsigned long flags; struct eerbuffer *eerb; @@ -309,9 +310,9 @@ static void dasd_eer_write_standard_trigger(struct dasd_device *device, header.total_size = sizeof(header) + data_size + 4; /* "EOR" */ header.trigger = trigger; - do_gettimeofday(&tv); - header.tv_sec = tv.tv_sec; - header.tv_usec = tv.tv_usec; + ktime_get_real_ts64(&ts); + header.tv_sec = ts.tv_sec; + header.tv_usec = ts.tv_nsec / NSEC_PER_USEC; strncpy(header.busid, dev_name(&device->cdev->dev), DASD_EER_BUSID_SIZE); @@ -339,7 +340,7 @@ static void dasd_eer_write_snss_trigger(struct dasd_device *device, { int data_size; int snss_rc; - struct timeval tv; + struct timespec64 ts; struct dasd_eer_header header; unsigned long flags; struct eerbuffer *eerb; @@ -352,9 +353,9 @@ static void dasd_eer_write_snss_trigger(struct dasd_device *device, header.total_size = sizeof(header) + data_size + 4; /* "EOR" */ header.trigger = DASD_EER_STATECHANGE; - do_gettimeofday(&tv); - header.tv_sec = tv.tv_sec; - header.tv_usec = tv.tv_usec; + ktime_get_real_ts64(&ts); + header.tv_sec = ts.tv_sec; + header.tv_usec = ts.tv_nsec / NSEC_PER_USEC; strncpy(header.busid, dev_name(&device->cdev->dev), DASD_EER_BUSID_SIZE); diff --git a/drivers/s390/block/dasd_erp.c b/drivers/s390/block/dasd_erp.c index 6389feb2fb7a..ba4fa372d02d 100644 --- a/drivers/s390/block/dasd_erp.c +++ b/drivers/s390/block/dasd_erp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_fba.h b/drivers/s390/block/dasd_fba.h index b5d3db0e5efb..b14bf1b2c691 100644 --- a/drivers/s390/block/dasd_fba.h +++ b/drivers/s390/block/dasd_fba.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Bugreports.to..: <Linux390@de.ibm.com> diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c index 8b1341fb2e0d..7036a6c6f86f 100644 --- a/drivers/s390/block/dasd_genhd.c +++ b/drivers/s390/block/dasd_genhd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index db470bd10175..b095a23bcc0c 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> @@ -95,14 +96,6 @@ do { \ d_data); \ } while(0) -#define DBF_DEV_EXC(d_level, d_device, d_str, d_data...) \ -do { \ - debug_sprintf_exception(d_device->debug_area, \ - d_level, \ - d_str "\n", \ - d_data); \ -} while(0) - #define DBF_EVENT(d_level, d_str, d_data...)\ do { \ debug_sprintf_event(dasd_debug_area, \ @@ -121,14 +114,6 @@ do { \ __dev_id.ssid, __dev_id.devno, d_data); \ } while (0) -#define DBF_EXC(d_level, d_str, d_data...)\ -do { \ - debug_sprintf_exception(dasd_debug_area, \ - d_level,\ - d_str "\n", \ - d_data); \ -} while(0) - /* limit size for an errorstring */ #define ERRORLENGTH 30 diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index ec65c1e51c2a..7bdc6aaa0ba3 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c index 7104d6765773..c33788a829c3 100644 --- a/drivers/s390/block/dasd_proc.c +++ b/drivers/s390/block/dasd_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com> * Horst Hummel <Horst.Hummel@de.ibm.com> diff --git a/drivers/s390/block/scm_blk.h b/drivers/s390/block/scm_blk.h index 71288dd9dd7f..a05a4297cfae 100644 --- a/drivers/s390/block/scm_blk.h +++ b/drivers/s390/block/scm_blk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SCM_BLK_H #define SCM_BLK_H @@ -55,13 +56,7 @@ extern debug_info_t *scm_debug; static inline void SCM_LOG_HEX(int level, void *data, int length) { - if (!debug_level_enabled(scm_debug, level)) - return; - while (length > 0) { - debug_event(scm_debug, level, data, length); - length -= scm_debug->buf_size; - data += scm_debug->buf_size; - } + debug_event(scm_debug, level, data, length); } static inline void SCM_LOG_STATE(int level, struct scm_device *scmdev) diff --git a/drivers/s390/block/scm_drv.c b/drivers/s390/block/scm_drv.c index c98cf52d78d1..3134fd6e058e 100644 --- a/drivers/s390/block/scm_drv.c +++ b/drivers/s390/block/scm_drv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Device driver for s390 storage class memory. * diff --git a/drivers/s390/char/Makefile b/drivers/s390/char/Makefile index 0c443e26835d..05ac6ba15a53 100644 --- a/drivers/s390/char/Makefile +++ b/drivers/s390/char/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # S/390 character devices # diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 9ec4ae056158..353f0bebcf8c 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 3215 line mode terminal driver. * diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c index 8522cfce5b4e..be3e3c1206c2 100644 --- a/drivers/s390/char/con3270.c +++ b/drivers/s390/char/con3270.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IBM/3270 Driver - console view. * diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c index f7d92584b993..e1686a69a68e 100644 --- a/drivers/s390/char/ctrlchar.c +++ b/drivers/s390/char/ctrlchar.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Unified handling of special chars. * diff --git a/drivers/s390/char/ctrlchar.h b/drivers/s390/char/ctrlchar.h index 59c2d6e55e55..e52afa3b8180 100644 --- a/drivers/s390/char/ctrlchar.h +++ b/drivers/s390/char/ctrlchar.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Unified handling of special chars. * diff --git a/drivers/s390/char/defkeymap.c b/drivers/s390/char/defkeymap.c index 07c7f31081bc..98a5c459a1bf 100644 --- a/drivers/s390/char/defkeymap.c +++ b/drivers/s390/char/defkeymap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Do not edit this file! It was automatically generated by */ /* loadkeys --mktable defkeymap.map > defkeymap.c */ diff --git a/drivers/s390/char/diag_ftp.c b/drivers/s390/char/diag_ftp.c index a5ccbf6f0d36..6bf1058de873 100644 --- a/drivers/s390/char/diag_ftp.c +++ b/drivers/s390/char/diag_ftp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * DIAGNOSE X'2C4' instruction based HMC FTP services, useable on z/VM * diff --git a/drivers/s390/char/diag_ftp.h b/drivers/s390/char/diag_ftp.h index 3abd2614053a..5d036ba7114f 100644 --- a/drivers/s390/char/diag_ftp.h +++ b/drivers/s390/char/diag_ftp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * DIAGNOSE X'2C4' instruction based SE/HMC FTP Services, useable on z/VM * diff --git a/drivers/s390/char/hmcdrv_cache.c b/drivers/s390/char/hmcdrv_cache.c index 4cda5ada143a..1f5bdb237862 100644 --- a/drivers/s390/char/hmcdrv_cache.c +++ b/drivers/s390/char/hmcdrv_cache.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SE/HMC Drive (Read) Cache Functions * diff --git a/drivers/s390/char/hmcdrv_cache.h b/drivers/s390/char/hmcdrv_cache.h index a14b57526781..d69f9fe87faa 100644 --- a/drivers/s390/char/hmcdrv_cache.h +++ b/drivers/s390/char/hmcdrv_cache.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SE/HMC Drive (Read) Cache Functions * diff --git a/drivers/s390/char/hmcdrv_dev.c b/drivers/s390/char/hmcdrv_dev.c index 43cee7fcd01c..20e9cd542e03 100644 --- a/drivers/s390/char/hmcdrv_dev.c +++ b/drivers/s390/char/hmcdrv_dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * HMC Drive CD/DVD Device * diff --git a/drivers/s390/char/hmcdrv_dev.h b/drivers/s390/char/hmcdrv_dev.h index cb17f07e02de..558eba929130 100644 --- a/drivers/s390/char/hmcdrv_dev.h +++ b/drivers/s390/char/hmcdrv_dev.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SE/HMC Drive FTP Device * diff --git a/drivers/s390/char/hmcdrv_ftp.c b/drivers/s390/char/hmcdrv_ftp.c index 8cb7d8fbadd6..0e70397d6e04 100644 --- a/drivers/s390/char/hmcdrv_ftp.c +++ b/drivers/s390/char/hmcdrv_ftp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * HMC Drive FTP Services * diff --git a/drivers/s390/char/hmcdrv_ftp.h b/drivers/s390/char/hmcdrv_ftp.h index f3643a7b3676..d12ca12b5ccd 100644 --- a/drivers/s390/char/hmcdrv_ftp.h +++ b/drivers/s390/char/hmcdrv_ftp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SE/HMC Drive FTP Services * diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c index 186d05e4c767..5b505fdaedec 100644 --- a/drivers/s390/char/keyboard.c +++ b/drivers/s390/char/keyboard.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ebcdic keycode functions for s390 console drivers * diff --git a/drivers/s390/char/keyboard.h b/drivers/s390/char/keyboard.h index a31f339211d5..a074d9711628 100644 --- a/drivers/s390/char/keyboard.h +++ b/drivers/s390/char/keyboard.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ebcdic keycode functions for s390 console drivers * diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h index 56519cbb165c..114ca7cbf889 100644 --- a/drivers/s390/char/raw3270.h +++ b/drivers/s390/char/raw3270.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IBM/3270 Driver * diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c index 6111c1fa2d1e..41d8aa96801f 100644 --- a/drivers/s390/char/sclp.c +++ b/drivers/s390/char/sclp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * core function to access sclp interface * diff --git a/drivers/s390/char/sclp.h b/drivers/s390/char/sclp.h index 53b5d1b9761a..f41f6e2ca063 100644 --- a/drivers/s390/char/sclp.h +++ b/drivers/s390/char/sclp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 1999,2012 * diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index dff8b94871f0..d7686a68c093 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007,2012 * diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c index 6037bc87e767..7027e61a6931 100644 --- a/drivers/s390/char/sclp_con.c +++ b/drivers/s390/char/sclp_con.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP line mode console driver * @@ -210,11 +211,8 @@ sclp_console_write(struct console *console, const char *message, /* Setup timer to output current console buffer after 1/10 second */ if (sclp_conbuf != NULL && sclp_chars_in_buffer(sclp_conbuf) != 0 && !timer_pending(&sclp_con_timer)) { - init_timer(&sclp_con_timer); - sclp_con_timer.function = sclp_console_timeout; - sclp_con_timer.data = 0UL; - sclp_con_timer.expires = jiffies + HZ/10; - add_timer(&sclp_con_timer); + setup_timer(&sclp_con_timer, sclp_console_timeout, 0UL); + mod_timer(&sclp_con_timer, jiffies + HZ / 10); } out: spin_unlock_irqrestore(&sclp_con_lock, flags); diff --git a/drivers/s390/char/sclp_config.c b/drivers/s390/char/sclp_config.c index 7003d52c2191..194ffd5c8580 100644 --- a/drivers/s390/char/sclp_config.c +++ b/drivers/s390/char/sclp_config.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007 * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com> diff --git a/drivers/s390/char/sclp_cpi_sys.c b/drivers/s390/char/sclp_cpi_sys.c index 90d92fbe7b9b..f60d7ea8268d 100644 --- a/drivers/s390/char/sclp_cpi_sys.c +++ b/drivers/s390/char/sclp_cpi_sys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP control program identification sysfs interface * diff --git a/drivers/s390/char/sclp_cpi_sys.h b/drivers/s390/char/sclp_cpi_sys.h index 65bb6a99c97f..edf60d1ca633 100644 --- a/drivers/s390/char/sclp_cpi_sys.h +++ b/drivers/s390/char/sclp_cpi_sys.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SCLP control program identification sysfs interface * diff --git a/drivers/s390/char/sclp_ctl.c b/drivers/s390/char/sclp_ctl.c index 78a7e4f94721..a78cea0c3a09 100644 --- a/drivers/s390/char/sclp_ctl.c +++ b/drivers/s390/char/sclp_ctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IOCTL interface for SCLP * diff --git a/drivers/s390/char/sclp_diag.h b/drivers/s390/char/sclp_diag.h index 59c4afa5e670..796c5311b865 100644 --- a/drivers/s390/char/sclp_diag.h +++ b/drivers/s390/char/sclp_diag.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2013 * Author(s): Ralf Hoppe (rhoppe@de.ibm.com) diff --git a/drivers/s390/char/sclp_early.c b/drivers/s390/char/sclp_early.c index bc1fc00910b0..d06bc5674e5f 100644 --- a/drivers/s390/char/sclp_early.c +++ b/drivers/s390/char/sclp_early.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP early driver * diff --git a/drivers/s390/char/sclp_early_core.c b/drivers/s390/char/sclp_early_core.c index 5029cc87e80f..edeb2597b0b8 100644 --- a/drivers/s390/char/sclp_early_core.c +++ b/drivers/s390/char/sclp_early_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2015 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> diff --git a/drivers/s390/char/sclp_ftp.c b/drivers/s390/char/sclp_ftp.c index 6561cc5b2d5d..dfdd6c8fd17e 100644 --- a/drivers/s390/char/sclp_ftp.c +++ b/drivers/s390/char/sclp_ftp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP Event Type (ET) 7 - Diagnostic Test FTP Services, useable on LPAR * diff --git a/drivers/s390/char/sclp_ftp.h b/drivers/s390/char/sclp_ftp.h index 98ba3183e7d9..d64da18c194d 100644 --- a/drivers/s390/char/sclp_ftp.h +++ b/drivers/s390/char/sclp_ftp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SCLP Event Type (ET) 7 - Diagnostic Test FTP Services, useable on LPAR * diff --git a/drivers/s390/char/sclp_ocf.c b/drivers/s390/char/sclp_ocf.c index f9cbb1ab047b..d35f10ea5b52 100644 --- a/drivers/s390/char/sclp_ocf.c +++ b/drivers/s390/char/sclp_ocf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP OCF communication parameters sysfs interface * diff --git a/drivers/s390/char/sclp_pci.c b/drivers/s390/char/sclp_pci.c index 4dbb3dfd4bc7..e7c84a4e5eb5 100644 --- a/drivers/s390/char/sclp_pci.c +++ b/drivers/s390/char/sclp_pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI I/O adapter configuration related functions. * diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c index e4958511168a..76956c2131cd 100644 --- a/drivers/s390/char/sclp_quiesce.c +++ b/drivers/s390/char/sclp_quiesce.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * signal quiesce handler * diff --git a/drivers/s390/char/sclp_rw.c b/drivers/s390/char/sclp_rw.c index 91b26df5227d..44594a492553 100644 --- a/drivers/s390/char/sclp_rw.c +++ b/drivers/s390/char/sclp_rw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * driver: reading from and writing to system console on S/390 via SCLP * diff --git a/drivers/s390/char/sclp_rw.h b/drivers/s390/char/sclp_rw.h index e3b0290995ba..a2eb22f67393 100644 --- a/drivers/s390/char/sclp_rw.h +++ b/drivers/s390/char/sclp_rw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * interface to the SCLP-read/write driver * diff --git a/drivers/s390/char/sclp_sdias.c b/drivers/s390/char/sclp_sdias.c index 7cdd13dd7be1..8e0b69a2f11a 100644 --- a/drivers/s390/char/sclp_sdias.c +++ b/drivers/s390/char/sclp_sdias.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP "store data in absolute storage" * diff --git a/drivers/s390/char/sclp_sdias.h b/drivers/s390/char/sclp_sdias.h index f2431c414150..bc36cf881010 100644 --- a/drivers/s390/char/sclp_sdias.h +++ b/drivers/s390/char/sclp_sdias.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SCLP "store data in absolute storage" * diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c index 236b736ae136..1cceefdc03e0 100644 --- a/drivers/s390/char/sclp_tty.c +++ b/drivers/s390/char/sclp_tty.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP line mode terminal driver. * @@ -217,11 +218,8 @@ static int sclp_tty_write_string(const unsigned char *str, int count, int may_fa /* Setup timer to output current console buffer after 1/10 second */ if (sclp_ttybuf && sclp_chars_in_buffer(sclp_ttybuf) && !timer_pending(&sclp_tty_timer)) { - init_timer(&sclp_tty_timer); - sclp_tty_timer.function = sclp_tty_timeout; - sclp_tty_timer.data = 0UL; - sclp_tty_timer.expires = jiffies + HZ/10; - add_timer(&sclp_tty_timer); + setup_timer(&sclp_tty_timer, sclp_tty_timeout, 0UL); + mod_timer(&sclp_tty_timer, jiffies + HZ / 10); } spin_unlock_irqrestore(&sclp_tty_lock, flags); out: diff --git a/drivers/s390/char/sclp_tty.h b/drivers/s390/char/sclp_tty.h index c8773421c31f..0fa2d5971d0f 100644 --- a/drivers/s390/char/sclp_tty.h +++ b/drivers/s390/char/sclp_tty.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * interface to the SCLP-read/write driver * diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 095481d32236..e84395d71389 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCLP VT220 terminal driver. * diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index ea664dd4f56d..8bec5f9ea92c 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * tape device driver for 3480/3490E/3590 tapes. * @@ -128,6 +129,7 @@ struct tape_request { int options; /* options for execution. */ int retries; /* retry counter for error recovery. */ int rescnt; /* residual count from devstat. */ + struct timer_list timer; /* timer for std_assign_timeout(). */ /* Callback for delivering final status. */ void (*callback)(struct tape_request *, void *); diff --git a/drivers/s390/char/tape_3590.h b/drivers/s390/char/tape_3590.h index 36b759e89d22..b398d8a3ed3c 100644 --- a/drivers/s390/char/tape_3590.h +++ b/drivers/s390/char/tape_3590.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * tape device discipline for 3590 tapes. * diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c index 46ac1164f242..fc206c9d1c56 100644 --- a/drivers/s390/char/tape_char.c +++ b/drivers/s390/char/tape_char.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * character device frontend for tape device driver * diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index 91c3c642c76e..e7d23048d3f0 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -68,9 +68,8 @@ struct tape_class_device *register_tape_dev( tcd->char_device->owner = fops->owner; tcd->char_device->ops = fops; - tcd->char_device->dev = dev; - rc = cdev_add(tcd->char_device, tcd->char_device->dev, 1); + rc = cdev_add(tcd->char_device, dev, 1); if (rc) goto fail_with_cdev; diff --git a/drivers/s390/char/tape_class.h b/drivers/s390/char/tape_class.h index a332c10d50ad..d25ac075b1ad 100644 --- a/drivers/s390/char/tape_class.h +++ b/drivers/s390/char/tape_class.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2004 All Rights Reserved. * diff --git a/drivers/s390/char/tape_proc.c b/drivers/s390/char/tape_proc.c index 8733b232a116..faae30476f4b 100644 --- a/drivers/s390/char/tape_proc.c +++ b/drivers/s390/char/tape_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * tape device driver for S/390 and zSeries tapes. * diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index 3478e19ae194..1f5fab617b67 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * standard tape device functions for ibm tapes. * @@ -32,14 +33,12 @@ * tape_std_assign */ static void -tape_std_assign_timeout(unsigned long data) +tape_std_assign_timeout(struct timer_list *t) { - struct tape_request * request; - struct tape_device * device; + struct tape_request * request = from_timer(request, t, timer); + struct tape_device * device = request->device; int rc; - request = (struct tape_request *) data; - device = request->device; BUG_ON(!device); DBF_EVENT(3, "%08x: Assignment timeout. Device busy.\n", @@ -70,16 +69,12 @@ tape_std_assign(struct tape_device *device) * to another host (actually this shouldn't happen but it does). * So we set up a timeout for this call. */ - init_timer_on_stack(&timeout); - timeout.function = tape_std_assign_timeout; - timeout.data = (unsigned long) request; - timeout.expires = jiffies + 2 * HZ; - add_timer(&timeout); + timer_setup(&request->timer, tape_std_assign_timeout, 0); + mod_timer(&timeout, jiffies + 2 * HZ); rc = tape_do_io_interruptible(device, request); - del_timer_sync(&timeout); - destroy_timer_on_stack(&timeout); + del_timer_sync(&request->timer); if (rc != 0) { DBF_EVENT(3, "%08x: assign failed - device might be busy\n", diff --git a/drivers/s390/char/tape_std.h b/drivers/s390/char/tape_std.h index 8c760c036832..53ec8e2870d4 100644 --- a/drivers/s390/char/tape_std.h +++ b/drivers/s390/char/tape_std.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * standard tape device functions for ibm tapes. * diff --git a/drivers/s390/char/tty3270.h b/drivers/s390/char/tty3270.h index 11141a8f8974..52ceed6f8408 100644 --- a/drivers/s390/char/tty3270.h +++ b/drivers/s390/char/tty3270.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007 * diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c index 7898bbcc28fc..17e411c57576 100644 --- a/drivers/s390/char/vmcp.c +++ b/drivers/s390/char/vmcp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2004, 2010 * Interface implementation for communication with the z/VM control program diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index b19020b9efff..62559dc0169f 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -812,8 +812,7 @@ static int vmlogrdr_register_cdev(dev_t dev) } vmlogrdr_cdev->owner = THIS_MODULE; vmlogrdr_cdev->ops = &vmlogrdr_fops; - vmlogrdr_cdev->dev = dev; - rc = cdev_add(vmlogrdr_cdev, vmlogrdr_cdev->dev, MAXMINOR); + rc = cdev_add(vmlogrdr_cdev, dev, MAXMINOR); if (!rc) return 0; diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 04aceb694d51..fa90ef05afc0 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -110,7 +110,7 @@ static struct urdev *urdev_alloc(struct ccw_device *cdev) mutex_init(&urd->io_mutex); init_waitqueue_head(&urd->wait); spin_lock_init(&urd->open_lock); - atomic_set(&urd->ref_count, 1); + refcount_set(&urd->ref_count, 1); urd->cdev = cdev; get_device(&cdev->dev); return urd; @@ -126,7 +126,7 @@ static void urdev_free(struct urdev *urd) static void urdev_get(struct urdev *urd) { - atomic_inc(&urd->ref_count); + refcount_inc(&urd->ref_count); } static struct urdev *urdev_get_from_cdev(struct ccw_device *cdev) @@ -159,7 +159,7 @@ static struct urdev *urdev_get_from_devno(u16 devno) static void urdev_put(struct urdev *urd) { - if (atomic_dec_and_test(&urd->ref_count)) + if (refcount_dec_and_test(&urd->ref_count)) urdev_free(urd); } @@ -892,10 +892,9 @@ static int ur_set_online(struct ccw_device *cdev) } urd->char_device->ops = &ur_fops; - urd->char_device->dev = MKDEV(major, minor); urd->char_device->owner = ur_fops.owner; - rc = cdev_add(urd->char_device, urd->char_device->dev, 1); + rc = cdev_add(urd->char_device, MKDEV(major, minor), 1); if (rc) goto fail_free_cdev; if (urd->cdev->id.cu_type == READER_PUNCH_DEVTYPE) { @@ -946,7 +945,7 @@ static int ur_set_offline_force(struct ccw_device *cdev, int force) rc = -EBUSY; goto fail_urdev_put; } - if (!force && (atomic_read(&urd->ref_count) > 2)) { + if (!force && (refcount_read(&urd->ref_count) > 2)) { /* There is still a user of urd (e.g. ur_open) */ TRACE("ur_set_offline: BUSY\n"); rc = -EBUSY; diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h index fa320ad4593d..608b0719ce17 100644 --- a/drivers/s390/char/vmur.h +++ b/drivers/s390/char/vmur.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Linux driver for System z and s390 unit record devices * (z/VM virtual punch, reader, printer) @@ -11,6 +12,8 @@ #ifndef _VMUR_H_ #define _VMUR_H_ +#include <linux/refcount.h> + #define DEV_CLASS_UR_I 0x20 /* diag210 unit record input device class */ #define DEV_CLASS_UR_O 0x10 /* diag210 unit record output device class */ /* @@ -69,7 +72,7 @@ struct urdev { size_t reclen; /* Record length for *write* CCWs */ int class; /* VM device class */ int io_request_rc; /* return code from I/O request */ - atomic_t ref_count; /* reference counter */ + refcount_t ref_count; /* reference counter */ wait_queue_head_t wait; /* wait queue to serialize open */ int open_flag; /* "urdev is open" flag */ spinlock_t open_lock; /* serialize critical sections */ diff --git a/drivers/s390/cio/Makefile b/drivers/s390/cio/Makefile index bdf47526038a..a070ef0efe65 100644 --- a/drivers/s390/cio/Makefile +++ b/drivers/s390/cio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the S/390 common i/o drivers # diff --git a/drivers/s390/cio/airq.c b/drivers/s390/cio/airq.c index 99b5db469097..a45011e4529e 100644 --- a/drivers/s390/cio/airq.c +++ b/drivers/s390/cio/airq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Support for adapter interruptions * diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index bf7f5d4c50e1..2a3f874a21d5 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * S/390 common I/O routines -- blacklisting of specific devices * diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index 34b9ad6b3143..e2f7b6e93efd 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -373,6 +373,12 @@ int ccwgroup_create_dev(struct device *parent, struct ccwgroup_driver *gdrv, rc = -EINVAL; goto error; } + /* Check if the devices are bound to the required ccw driver. */ + if (gdev->count && gdrv && gdrv->ccw_driver && + gdev->cdev[0]->drv != gdrv->ccw_driver) { + rc = -EINVAL; + goto error; + } dev_set_name(&gdev->dev, "%s", dev_name(&gdev->cdev[0]->dev)); gdev->dev.groups = ccwgroup_attr_groups; diff --git a/drivers/s390/cio/ccwreq.c b/drivers/s390/cio/ccwreq.c index 2782100b2c07..603268a33ea1 100644 --- a/drivers/s390/cio/ccwreq.c +++ b/drivers/s390/cio/ccwreq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Handling of internal CCW device requests. * diff --git a/drivers/s390/cio/chp.h b/drivers/s390/cio/chp.h index 0d8437b7ea72..7e80323cd261 100644 --- a/drivers/s390/cio/chp.h +++ b/drivers/s390/cio/chp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007, 2010 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 321a3f765810..dda5953534b7 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef S390_CHSC_H #define S390_CHSC_H diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c index 735052ecd3e5..8e7e19b9e92c 100644 --- a/drivers/s390/cio/chsc_sch.c +++ b/drivers/s390/cio/chsc_sch.c @@ -43,11 +43,7 @@ static DEFINE_MUTEX(on_close_mutex); static void CHSC_LOG_HEX(int level, void *data, int length) { - while (length > 0) { - debug_event(chsc_debug_log_id, level, data, length); - length -= chsc_debug_log_id->buf_size; - data += chsc_debug_log_id->buf_size; - } + debug_event(chsc_debug_log_id, level, data, length); } MODULE_AUTHOR("IBM Corporation"); diff --git a/drivers/s390/cio/chsc_sch.h b/drivers/s390/cio/chsc_sch.h index 589ebfad6aad..ff5328b0bc8a 100644 --- a/drivers/s390/cio/chsc_sch.h +++ b/drivers/s390/cio/chsc_sch.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CHSC_SCH_H #define _CHSC_SCH_H diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 939596d81b73..94cd813bdcfe 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef S390_CIO_H #define S390_CIO_H diff --git a/drivers/s390/cio/cio_debug.h b/drivers/s390/cio/cio_debug.h index e64e8278c42e..7bdbe73707c2 100644 --- a/drivers/s390/cio/cio_debug.h +++ b/drivers/s390/cio/cio_debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef CIO_DEBUG_H #define CIO_DEBUG_H @@ -22,13 +23,7 @@ extern debug_info_t *cio_debug_crw_id; static inline void CIO_HEX_EVENT(int level, void *data, int length) { - if (unlikely(!cio_debug_trace_id)) - return; - while (length > 0) { - debug_event(cio_debug_trace_id, level, data, length); - length -= cio_debug_trace_id->buf_size; - data += cio_debug_trace_id->buf_size; - } + debug_event(cio_debug_trace_id, level, data, length); } #endif diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index 220491d27ef4..7d59230e88bb 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -58,8 +58,9 @@ /* indices for READCMB */ enum cmb_index { + avg_utilization = -1, /* basic and exended format: */ - cmb_ssch_rsch_count, + cmb_ssch_rsch_count = 0, cmb_sample_count, cmb_device_connect_time, cmb_function_pending_time, @@ -215,71 +216,52 @@ struct set_schib_struct { unsigned long address; wait_queue_head_t wait; int ret; - struct kref kref; }; -static void cmf_set_schib_release(struct kref *kref) -{ - struct set_schib_struct *set_data; - - set_data = container_of(kref, struct set_schib_struct, kref); - kfree(set_data); -} - #define CMF_PENDING 1 +#define SET_SCHIB_TIMEOUT (10 * HZ) static int set_schib_wait(struct ccw_device *cdev, u32 mme, - int mbfc, unsigned long address) + int mbfc, unsigned long address) { - struct set_schib_struct *set_data; - int ret; + struct set_schib_struct set_data; + int ret = -ENODEV; spin_lock_irq(cdev->ccwlock); - if (!cdev->private->cmb) { - ret = -ENODEV; + if (!cdev->private->cmb) goto out; - } - set_data = kzalloc(sizeof(struct set_schib_struct), GFP_ATOMIC); - if (!set_data) { - ret = -ENOMEM; - goto out; - } - init_waitqueue_head(&set_data->wait); - kref_init(&set_data->kref); - set_data->mme = mme; - set_data->mbfc = mbfc; - set_data->address = address; ret = set_schib(cdev, mme, mbfc, address); if (ret != -EBUSY) - goto out_put; + goto out; - if (cdev->private->state != DEV_STATE_ONLINE) { - /* if the device is not online, don't even try again */ - ret = -EBUSY; - goto out_put; - } + /* if the device is not online, don't even try again */ + if (cdev->private->state != DEV_STATE_ONLINE) + goto out; - cdev->private->state = DEV_STATE_CMFCHANGE; - set_data->ret = CMF_PENDING; - cdev->private->cmb_wait = set_data; + init_waitqueue_head(&set_data.wait); + set_data.mme = mme; + set_data.mbfc = mbfc; + set_data.address = address; + set_data.ret = CMF_PENDING; + cdev->private->state = DEV_STATE_CMFCHANGE; + cdev->private->cmb_wait = &set_data; spin_unlock_irq(cdev->ccwlock); - if (wait_event_interruptible(set_data->wait, - set_data->ret != CMF_PENDING)) { - spin_lock_irq(cdev->ccwlock); - if (set_data->ret == CMF_PENDING) { - set_data->ret = -ERESTARTSYS; + + ret = wait_event_interruptible_timeout(set_data.wait, + set_data.ret != CMF_PENDING, + SET_SCHIB_TIMEOUT); + spin_lock_irq(cdev->ccwlock); + if (ret <= 0) { + if (set_data.ret == CMF_PENDING) { + set_data.ret = (ret == 0) ? -ETIME : ret; if (cdev->private->state == DEV_STATE_CMFCHANGE) cdev->private->state = DEV_STATE_ONLINE; } - spin_unlock_irq(cdev->ccwlock); } - spin_lock_irq(cdev->ccwlock); cdev->private->cmb_wait = NULL; - ret = set_data->ret; -out_put: - kref_put(&set_data->kref, cmf_set_schib_release); + ret = set_data.ret; out: spin_unlock_irq(cdev->ccwlock); return ret; @@ -287,28 +269,21 @@ out: void retry_set_schib(struct ccw_device *cdev) { - struct set_schib_struct *set_data; + struct set_schib_struct *set_data = cdev->private->cmb_wait; - set_data = cdev->private->cmb_wait; - if (!set_data) { - WARN_ON(1); + if (!set_data) return; - } - kref_get(&set_data->kref); + set_data->ret = set_schib(cdev, set_data->mme, set_data->mbfc, set_data->address); wake_up(&set_data->wait); - kref_put(&set_data->kref, cmf_set_schib_release); } static int cmf_copy_block(struct ccw_device *cdev) { - struct subchannel *sch; - void *reference_buf; - void *hw_block; + struct subchannel *sch = to_subchannel(cdev->dev.parent); struct cmb_data *cmb_data; - - sch = to_subchannel(cdev->dev.parent); + void *hw_block; if (cio_update_schib(sch)) return -ENODEV; @@ -323,102 +298,65 @@ static int cmf_copy_block(struct ccw_device *cdev) } cmb_data = cdev->private->cmb; hw_block = cmb_data->hw_block; - if (!memcmp(cmb_data->last_block, hw_block, cmb_data->size)) - /* No need to copy. */ - return 0; - reference_buf = kzalloc(cmb_data->size, GFP_ATOMIC); - if (!reference_buf) - return -ENOMEM; - /* Ensure consistency of block copied from hardware. */ - do { - memcpy(cmb_data->last_block, hw_block, cmb_data->size); - memcpy(reference_buf, hw_block, cmb_data->size); - } while (memcmp(cmb_data->last_block, reference_buf, cmb_data->size)); + memcpy(cmb_data->last_block, hw_block, cmb_data->size); cmb_data->last_update = get_tod_clock(); - kfree(reference_buf); return 0; } struct copy_block_struct { wait_queue_head_t wait; int ret; - struct kref kref; }; -static void cmf_copy_block_release(struct kref *kref) -{ - struct copy_block_struct *copy_block; - - copy_block = container_of(kref, struct copy_block_struct, kref); - kfree(copy_block); -} - static int cmf_cmb_copy_wait(struct ccw_device *cdev) { - struct copy_block_struct *copy_block; - int ret; - unsigned long flags; + struct copy_block_struct copy_block; + int ret = -ENODEV; - spin_lock_irqsave(cdev->ccwlock, flags); - if (!cdev->private->cmb) { - ret = -ENODEV; - goto out; - } - copy_block = kzalloc(sizeof(struct copy_block_struct), GFP_ATOMIC); - if (!copy_block) { - ret = -ENOMEM; + spin_lock_irq(cdev->ccwlock); + if (!cdev->private->cmb) goto out; - } - init_waitqueue_head(©_block->wait); - kref_init(©_block->kref); ret = cmf_copy_block(cdev); if (ret != -EBUSY) - goto out_put; + goto out; - if (cdev->private->state != DEV_STATE_ONLINE) { - ret = -EBUSY; - goto out_put; - } + if (cdev->private->state != DEV_STATE_ONLINE) + goto out; + + init_waitqueue_head(©_block.wait); + copy_block.ret = CMF_PENDING; cdev->private->state = DEV_STATE_CMFUPDATE; - copy_block->ret = CMF_PENDING; - cdev->private->cmb_wait = copy_block; + cdev->private->cmb_wait = ©_block; + spin_unlock_irq(cdev->ccwlock); - spin_unlock_irqrestore(cdev->ccwlock, flags); - if (wait_event_interruptible(copy_block->wait, - copy_block->ret != CMF_PENDING)) { - spin_lock_irqsave(cdev->ccwlock, flags); - if (copy_block->ret == CMF_PENDING) { - copy_block->ret = -ERESTARTSYS; + ret = wait_event_interruptible(copy_block.wait, + copy_block.ret != CMF_PENDING); + spin_lock_irq(cdev->ccwlock); + if (ret) { + if (copy_block.ret == CMF_PENDING) { + copy_block.ret = -ERESTARTSYS; if (cdev->private->state == DEV_STATE_CMFUPDATE) cdev->private->state = DEV_STATE_ONLINE; } - spin_unlock_irqrestore(cdev->ccwlock, flags); } - spin_lock_irqsave(cdev->ccwlock, flags); cdev->private->cmb_wait = NULL; - ret = copy_block->ret; -out_put: - kref_put(©_block->kref, cmf_copy_block_release); + ret = copy_block.ret; out: - spin_unlock_irqrestore(cdev->ccwlock, flags); + spin_unlock_irq(cdev->ccwlock); return ret; } void cmf_retry_copy_block(struct ccw_device *cdev) { - struct copy_block_struct *copy_block; + struct copy_block_struct *copy_block = cdev->private->cmb_wait; - copy_block = cdev->private->cmb_wait; - if (!copy_block) { - WARN_ON(1); + if (!copy_block) return; - } - kref_get(©_block->kref); + copy_block->ret = cmf_copy_block(cdev); wake_up(©_block->wait); - kref_put(©_block->kref, cmf_copy_block_release); } static void cmf_generic_reset(struct ccw_device *cdev) @@ -650,25 +588,44 @@ static int set_cmb(struct ccw_device *cdev, u32 mme) return set_schib_wait(cdev, mme, 0, offset); } +/* calculate utilization in 0.1 percent units */ +static u64 __cmb_utilization(u64 device_connect_time, u64 function_pending_time, + u64 device_disconnect_time, u64 start_time) +{ + u64 utilization, elapsed_time; + + utilization = time_to_nsec(device_connect_time + + function_pending_time + + device_disconnect_time); + + elapsed_time = get_tod_clock() - start_time; + elapsed_time = tod_to_ns(elapsed_time); + elapsed_time /= 1000; + + return elapsed_time ? (utilization / elapsed_time) : 0; +} + static u64 read_cmb(struct ccw_device *cdev, int index) { + struct cmb_data *cmb_data; + unsigned long flags; struct cmb *cmb; + u64 ret = 0; u32 val; - int ret; - unsigned long flags; - - ret = cmf_cmb_copy_wait(cdev); - if (ret < 0) - return 0; spin_lock_irqsave(cdev->ccwlock, flags); - if (!cdev->private->cmb) { - ret = 0; + cmb_data = cdev->private->cmb; + if (!cmb_data) goto out; - } - cmb = ((struct cmb_data *)cdev->private->cmb)->last_block; + cmb = cmb_data->hw_block; switch (index) { + case avg_utilization: + ret = __cmb_utilization(cmb->device_connect_time, + cmb->function_pending_time, + cmb->device_disconnect_time, + cdev->private->cmb_start_time); + goto out; case cmb_ssch_rsch_count: ret = cmb->ssch_rsch_count; goto out; @@ -691,7 +648,6 @@ static u64 read_cmb(struct ccw_device *cdev, int index) val = cmb->device_active_only_time; break; default: - ret = 0; goto out; } ret = time_to_avg_nsec(val, cmb->sample_count); @@ -729,8 +685,7 @@ static int readall_cmb(struct ccw_device *cdev, struct cmbdata *data) /* we only know values before device_busy_time */ data->size = offsetof(struct cmbdata, device_busy_time); - /* convert to nanoseconds */ - data->elapsed_time = (time * 1000) >> 12; + data->elapsed_time = tod_to_ns(time); /* copy data to new structure */ data->ssch_rsch_count = cmb->ssch_rsch_count; @@ -904,28 +859,27 @@ static int set_cmbe(struct ccw_device *cdev, u32 mme) return set_schib_wait(cdev, mme, 1, mba); } - static u64 read_cmbe(struct ccw_device *cdev, int index) { - struct cmbe *cmb; struct cmb_data *cmb_data; - u32 val; - int ret; unsigned long flags; - - ret = cmf_cmb_copy_wait(cdev); - if (ret < 0) - return 0; + struct cmbe *cmb; + u64 ret = 0; + u32 val; spin_lock_irqsave(cdev->ccwlock, flags); cmb_data = cdev->private->cmb; - if (!cmb_data) { - ret = 0; + if (!cmb_data) goto out; - } - cmb = cmb_data->last_block; + cmb = cmb_data->hw_block; switch (index) { + case avg_utilization: + ret = __cmb_utilization(cmb->device_connect_time, + cmb->function_pending_time, + cmb->device_disconnect_time, + cdev->private->cmb_start_time); + goto out; case cmb_ssch_rsch_count: ret = cmb->ssch_rsch_count; goto out; @@ -954,7 +908,6 @@ static u64 read_cmbe(struct ccw_device *cdev, int index) val = cmb->initial_command_response_time; break; default: - ret = 0; goto out; } ret = time_to_avg_nsec(val, cmb->sample_count); @@ -991,8 +944,7 @@ static int readall_cmbe(struct ccw_device *cdev, struct cmbdata *data) /* we only know values before device_busy_time */ data->size = offsetof(struct cmbdata, device_busy_time); - /* conver to nanoseconds */ - data->elapsed_time = (time * 1000) >> 12; + data->elapsed_time = tod_to_ns(time); cmb = cmb_data->last_block; /* copy data to new structure */ @@ -1045,19 +997,15 @@ static ssize_t cmb_show_avg_sample_interval(struct device *dev, struct device_attribute *attr, char *buf) { - struct ccw_device *cdev; - long interval; + struct ccw_device *cdev = to_ccwdev(dev); unsigned long count; - struct cmb_data *cmb_data; + long interval; - cdev = to_ccwdev(dev); count = cmf_read(cdev, cmb_sample_count); spin_lock_irq(cdev->ccwlock); - cmb_data = cdev->private->cmb; if (count) { - interval = cmb_data->last_update - - cdev->private->cmb_start_time; - interval = (interval * 1000) >> 12; + interval = get_tod_clock() - cdev->private->cmb_start_time; + interval = tod_to_ns(interval); interval /= count; } else interval = -1; @@ -1069,27 +1017,9 @@ static ssize_t cmb_show_avg_utilization(struct device *dev, struct device_attribute *attr, char *buf) { - struct cmbdata data; - u64 utilization; - unsigned long t, u; - int ret; - - ret = cmf_readall(to_ccwdev(dev), &data); - if (ret == -EAGAIN || ret == -ENODEV) - /* No data (yet/currently) available to use for calculation. */ - return sprintf(buf, "n/a\n"); - else if (ret) - return ret; - - utilization = data.device_connect_time + - data.function_pending_time + - data.device_disconnect_time; - - /* calculate value in 0.1 percent units */ - t = data.elapsed_time / 1000; - u = utilization / t; + unsigned long u = cmf_read(to_ccwdev(dev), avg_utilization); - return sprintf(buf, "%02ld.%01ld%%\n", u/ 10, u - (u/ 10) * 10); + return sprintf(buf, "%02lu.%01lu%%\n", u / 10, u % 10); } #define cmf_attr(name) \ diff --git a/drivers/s390/cio/crw.c b/drivers/s390/cio/crw.c index 3d3cd402b376..fc285ca41141 100644 --- a/drivers/s390/cio/crw.c +++ b/drivers/s390/cio/crw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Channel report handling code * diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index c9f3fb39ebeb..30357cbf350a 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CSS_H #define _CSS_H diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index 69cb70f080a5..b37c22adcc7a 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef S390_DEVICE_H #define S390_DEVICE_H diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c index d4fa30541a33..f6df83a9dfbb 100644 --- a/drivers/s390/cio/device_id.c +++ b/drivers/s390/cio/device_id.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * CCW device SENSE ID I/O handling. * diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index da246b67edfe..d30a3babf176 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * CCW device PGID and path verification I/O handling. * diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index 9bc3512374c9..7d5c7892b2c4 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2002 * Author(s): Cornelia Huck (cornelia.huck@de.ibm.com) diff --git a/drivers/s390/cio/eadm_sch.c b/drivers/s390/cio/eadm_sch.c index 0f11f3bcac82..d14795f7110b 100644 --- a/drivers/s390/cio/eadm_sch.c +++ b/drivers/s390/cio/eadm_sch.c @@ -43,13 +43,7 @@ static debug_info_t *eadm_debug; static void EADM_LOG_HEX(int level, void *data, int length) { - if (!debug_level_enabled(eadm_debug, level)) - return; - while (length > 0) { - debug_event(eadm_debug, level, data, length); - length -= eadm_debug->buf_size; - data += eadm_debug->buf_size; - } + debug_event(eadm_debug, level, data, length); } static void orb_init(union orb *orb) diff --git a/drivers/s390/cio/eadm_sch.h b/drivers/s390/cio/eadm_sch.h index 9664e4653f98..390ab5a6b72f 100644 --- a/drivers/s390/cio/eadm_sch.h +++ b/drivers/s390/cio/eadm_sch.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef EADM_SCH_H #define EADM_SCH_H diff --git a/drivers/s390/cio/fcx.c b/drivers/s390/cio/fcx.c index ca5e9bb9d458..99c900cc3e5b 100644 --- a/drivers/s390/cio/fcx.c +++ b/drivers/s390/cio/fcx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Functions for assembling fcx enabled I/O control blocks. * diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index b3e06a7b9480..835de44dbbcc 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2012 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> diff --git a/drivers/s390/cio/idset.h b/drivers/s390/cio/idset.h index 89a787790888..a3ece8d8091a 100644 --- a/drivers/s390/cio/idset.h +++ b/drivers/s390/cio/idset.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007, 2012 * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h index 9a1b56b2df3e..af571d8d6925 100644 --- a/drivers/s390/cio/io_sch.h +++ b/drivers/s390/cio/io_sch.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef S390_IO_SCH_H #define S390_IO_SCH_H diff --git a/drivers/s390/cio/ioasm.c b/drivers/s390/cio/ioasm.c index 4182f60124da..4fa9ee1d09fa 100644 --- a/drivers/s390/cio/ioasm.c +++ b/drivers/s390/cio/ioasm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Channel subsystem I/O instructions. */ diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h index b31ee6bff1e4..35ad4ddd61e0 100644 --- a/drivers/s390/cio/ioasm.h +++ b/drivers/s390/cio/ioasm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef S390_CIO_IOASM_H #define S390_CIO_IOASM_H diff --git a/drivers/s390/cio/itcw.c b/drivers/s390/cio/itcw.c index 358ee16d10a2..deaf59f93326 100644 --- a/drivers/s390/cio/itcw.c +++ b/drivers/s390/cio/itcw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Functions for incremental construction of fcx enabled I/O control blocks. * diff --git a/drivers/s390/cio/orb.h b/drivers/s390/cio/orb.h index 7a640530e7f5..a2d3778b2c95 100644 --- a/drivers/s390/cio/orb.h +++ b/drivers/s390/cio/orb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Orb related data structures. * diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index 7e70f9298cc1..29d6b5222f1c 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2000, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com> diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c index b6fc147f83d8..68a82f3e2e92 100644 --- a/drivers/s390/cio/qdio_debug.c +++ b/drivers/s390/cio/qdio_debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2008, 2009 * diff --git a/drivers/s390/cio/qdio_debug.h b/drivers/s390/cio/qdio_debug.h index 1d595d17bf11..f85f5fa7cefc 100644 --- a/drivers/s390/cio/qdio_debug.h +++ b/drivers/s390/cio/qdio_debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2008 * @@ -33,11 +34,7 @@ extern debug_info_t *qdio_dbf_error; static inline void DBF_HEX(void *addr, int len) { - while (len > 0) { - debug_event(qdio_dbf_setup, DBF_ERR, addr, len); - len -= qdio_dbf_setup->buf_size; - addr += qdio_dbf_setup->buf_size; - } + debug_event(qdio_dbf_setup, DBF_ERR, addr, len); } #define DBF_ERROR(text...) \ @@ -49,11 +46,7 @@ static inline void DBF_HEX(void *addr, int len) static inline void DBF_ERROR_HEX(void *addr, int len) { - while (len > 0) { - debug_event(qdio_dbf_error, DBF_ERR, addr, len); - len -= qdio_dbf_error->buf_size; - addr += qdio_dbf_error->buf_size; - } + debug_event(qdio_dbf_error, DBF_ERR, addr, len); } #define DBF_DEV_EVENT(level, device, text...) \ @@ -68,11 +61,7 @@ static inline void DBF_ERROR_HEX(void *addr, int len) static inline void DBF_DEV_HEX(struct qdio_irq *dev, void *addr, int len, int level) { - while (len > 0) { - debug_event(dev->debug_area, level, addr, len); - len -= dev->debug_area->buf_size; - addr += dev->debug_area->buf_size; - } + debug_event(dev->debug_area, level, addr, len); } int qdio_allocate_dbf(struct qdio_initialize *init_data, diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c index c61164f4528e..0787b587e4b8 100644 --- a/drivers/s390/cio/qdio_thinint.c +++ b/drivers/s390/cio/qdio_thinint.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2000, 2009 * Author(s): Utz Bacher <utz.bacher@de.ibm.com> @@ -56,10 +57,8 @@ static u32 *get_indicator(void) int i; for (i = 0; i < TIQDIO_NR_NONSHARED_IND; i++) - if (!atomic_read(&q_indicators[i].count)) { - atomic_set(&q_indicators[i].count, 1); + if (!atomic_cmpxchg(&q_indicators[i].count, 0, 1)) return &q_indicators[i].ind; - } /* use the shared indicator */ atomic_inc(&q_indicators[TIQDIO_SHARED_IND].count); @@ -68,13 +67,11 @@ static u32 *get_indicator(void) static void put_indicator(u32 *addr) { - int i; + struct indicator_t *ind = container_of(addr, struct indicator_t, ind); if (!addr) return; - i = ((unsigned long)addr - (unsigned long)q_indicators) / - sizeof(struct indicator_t); - atomic_dec(&q_indicators[i].count); + atomic_dec(&ind->count); } void tiqdio_add_input_queues(struct qdio_irq *irq_ptr) diff --git a/drivers/s390/cio/trace.c b/drivers/s390/cio/trace.c index 8e706669ac8b..e331cd97e83b 100644 --- a/drivers/s390/cio/trace.c +++ b/drivers/s390/cio/trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Tracepoint definitions for s390_cio * diff --git a/drivers/s390/cio/trace.h b/drivers/s390/cio/trace.h index 5b807a09f21b..1f8d1c1e566d 100644 --- a/drivers/s390/cio/trace.h +++ b/drivers/s390/cio/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Tracepoint header for the s390 Common I/O layer (CIO) * diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c index 5ccfdc80d0ec..d9a2fffd034b 100644 --- a/drivers/s390/cio/vfio_ccw_cp.c +++ b/drivers/s390/cio/vfio_ccw_cp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * channel program interfaces * @@ -105,7 +106,10 @@ static int pfn_array_alloc_pin(struct pfn_array *pa, struct device *mdev, { int ret = 0; - if (!len || pa->pa_nr) + if (!len) + return 0; + + if (pa->pa_nr) return -EINVAL; pa->pa_iova = iova; @@ -329,6 +333,8 @@ static void ccwchain_cda_free(struct ccwchain *chain, int idx) { struct ccw1 *ccw = chain->ch_ccw + idx; + if (ccw_is_test(ccw) || ccw_is_noop(ccw) || ccw_is_tic(ccw)) + return; if (!ccw->count) return; @@ -501,6 +507,16 @@ static int ccwchain_fetch_direct(struct ccwchain *chain, ccw = chain->ch_ccw + idx; + if (!ccw->count) { + /* + * We just want the translation result of any direct ccw + * to be an IDA ccw, so let's add the IDA flag for it. + * Although the flag will be ignored by firmware. + */ + ccw->flags |= CCW_FLAG_IDA; + return 0; + } + /* * Pin data page(s) in memory. * The number of pages actually is the count of the idaws which will be @@ -541,6 +557,9 @@ static int ccwchain_fetch_idal(struct ccwchain *chain, ccw = chain->ch_ccw + idx; + if (!ccw->count) + return 0; + /* Calculate size of idaws. */ ret = copy_from_iova(cp->mdev, &idaw_iova, ccw->cda, sizeof(idaw_iova)); if (ret) @@ -569,10 +588,6 @@ static int ccwchain_fetch_idal(struct ccwchain *chain, for (i = 0; i < idaw_nr; i++) { idaw_iova = *(idaws + i); - if (IS_ERR_VALUE(idaw_iova)) { - ret = -EFAULT; - goto out_free_idaws; - } ret = pfn_array_alloc_pin(pat->pat_pa + i, cp->mdev, idaw_iova, 1); diff --git a/drivers/s390/cio/vfio_ccw_cp.h b/drivers/s390/cio/vfio_ccw_cp.h index 7a1996b3b36d..a4b74fb1aa57 100644 --- a/drivers/s390/cio/vfio_ccw_cp.h +++ b/drivers/s390/cio/vfio_ccw_cp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * channel program interfaces * diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c index 80a0559cd7ce..c30420c517b1 100644 --- a/drivers/s390/cio/vfio_ccw_fsm.c +++ b/drivers/s390/cio/vfio_ccw_fsm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Finite state machine for vfio-ccw device handling * diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index a66a317f3e4f..41eeb57d68a3 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Physical device callbacks for vfio_ccw * diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h index fc0f01c16ef9..78a66d96756b 100644 --- a/drivers/s390/cio/vfio_ccw_private.h +++ b/drivers/s390/cio/vfio_ccw_private.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Private stuff for vfio_ccw driver * diff --git a/drivers/s390/crypto/Makefile b/drivers/s390/crypto/Makefile index be36f1010d75..b59af548ed1c 100644 --- a/drivers/s390/crypto/Makefile +++ b/drivers/s390/crypto/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # S/390 crypto devices # diff --git a/drivers/s390/crypto/ap_asm.h b/drivers/s390/crypto/ap_asm.h index cd350345b3d2..16b59ce5e01d 100644 --- a/drivers/s390/crypto/ap_asm.h +++ b/drivers/s390/crypto/ap_asm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2016 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -116,6 +117,49 @@ static inline int ap_qci(void *config) return reg1; } +/* + * union ap_qact_ap_info - used together with the + * ap_aqic() function to provide a convenient way + * to handle the ap info needed by the qact function. + */ +union ap_qact_ap_info { + unsigned long val; + struct { + unsigned int : 3; + unsigned int mode : 3; + unsigned int : 26; + unsigned int cat : 8; + unsigned int : 8; + unsigned char ver[2]; + }; +}; + +/** + * ap_qact(): Query AP combatibility type. + * @qid: The AP queue number + * @apinfo: On input the info about the AP queue. On output the + * alternate AP queue info provided by the qact function + * in GR2 is stored in. + * + * Returns AP queue status. Check response_code field for failures. + */ +static inline struct ap_queue_status ap_qact(ap_qid_t qid, int ifbit, + union ap_qact_ap_info *apinfo) +{ + register unsigned long reg0 asm ("0") = qid | (5UL << 24) + | ((ifbit & 0x01) << 22); + register unsigned long reg1_in asm ("1") = apinfo->val; + register struct ap_queue_status reg1_out asm ("1"); + register unsigned long reg2 asm ("2") = 0; + + asm volatile( + ".long 0xb2af0000" /* PQAP(QACT) */ + : "+d" (reg0), "+d" (reg1_in), "=d" (reg1_out), "+d" (reg2) + : : "cc"); + apinfo->val = reg2; + return reg1_out; +} + /** * ap_nqap(): Send message to adjunct processor queue. * @qid: The AP queue number diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 5f0be2040272..8b5658b0bec3 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -176,6 +176,18 @@ static int ap_apft_available(void) return test_facility(15); } +/* + * ap_qact_available(): Test if the PQAP(QACT) subfunction is available. + * + * Returns 1 if the QACT subfunction is available. + */ +static inline int ap_qact_available(void) +{ + if (ap_configuration) + return ap_configuration->qact; + return 0; +} + /** * ap_test_queue(): Test adjunct processor queue. * @qid: The AP queue number @@ -988,6 +1000,47 @@ static int ap_select_domain(void) } /* + * This function checks the type and returns either 0 for not + * supported or the highest compatible type value (which may + * include the input type value). + */ +static int ap_get_compatible_type(ap_qid_t qid, int rawtype, unsigned int func) +{ + int comp_type = 0; + + /* < CEX2A is not supported */ + if (rawtype < AP_DEVICE_TYPE_CEX2A) + return 0; + /* up to CEX6 known and fully supported */ + if (rawtype <= AP_DEVICE_TYPE_CEX6) + return rawtype; + /* + * unknown new type > CEX6, check for compatibility + * to the highest known and supported type which is + * currently CEX6 with the help of the QACT function. + */ + if (ap_qact_available()) { + struct ap_queue_status status; + union ap_qact_ap_info apinfo = {0}; + + apinfo.mode = (func >> 26) & 0x07; + apinfo.cat = AP_DEVICE_TYPE_CEX6; + status = ap_qact(qid, 0, &apinfo); + if (status.response_code == AP_RESPONSE_NORMAL + && apinfo.cat >= AP_DEVICE_TYPE_CEX2A + && apinfo.cat <= AP_DEVICE_TYPE_CEX6) + comp_type = apinfo.cat; + } + if (!comp_type) + AP_DBF(DBF_WARN, "queue=%02x.%04x unable to map type %d\n", + AP_QID_CARD(qid), AP_QID_QUEUE(qid), rawtype); + else if (comp_type != rawtype) + AP_DBF(DBF_INFO, "queue=%02x.%04x map type %d to %d\n", + AP_QID_CARD(qid), AP_QID_QUEUE(qid), rawtype, comp_type); + return comp_type; +} + +/* * helper function to be used with bus_find_dev * matches for the card device with the given id */ @@ -1014,8 +1067,8 @@ static void ap_scan_bus(struct work_struct *unused) struct ap_card *ac; struct device *dev; ap_qid_t qid; - int depth = 0, type = 0; - unsigned int functions = 0; + int comp_type, depth = 0, type = 0; + unsigned int func = 0; int rc, id, dom, borked, domains, defdomdevs = 0; AP_DBF(DBF_DEBUG, "ap_scan_bus running\n"); @@ -1066,12 +1119,12 @@ static void ap_scan_bus(struct work_struct *unused) } continue; } - rc = ap_query_queue(qid, &depth, &type, &functions); + rc = ap_query_queue(qid, &depth, &type, &func); if (dev) { spin_lock_bh(&aq->lock); if (rc == -ENODEV || /* adapter reconfiguration */ - (ac && ac->functions != functions)) + (ac && ac->functions != func)) aq->state = AP_STATE_BORKED; borked = aq->state == AP_STATE_BORKED; spin_unlock_bh(&aq->lock); @@ -1087,11 +1140,14 @@ static void ap_scan_bus(struct work_struct *unused) } if (rc) continue; - /* new queue device needed */ + /* a new queue device is needed, check out comp type */ + comp_type = ap_get_compatible_type(qid, type, func); + if (!comp_type) + continue; + /* maybe a card device needs to be created first */ if (!ac) { - /* but first create the card device */ - ac = ap_card_create(id, depth, - type, functions); + ac = ap_card_create(id, depth, type, + comp_type, func); if (!ac) continue; ac->ap_dev.device.bus = &ap_bus_type; @@ -1109,7 +1165,7 @@ static void ap_scan_bus(struct work_struct *unused) get_device(&ac->ap_dev.device); } /* now create the new queue device */ - aq = ap_queue_create(qid, type); + aq = ap_queue_create(qid, comp_type); if (!aq) continue; aq->card = ac; diff --git a/drivers/s390/crypto/ap_bus.h b/drivers/s390/crypto/ap_bus.h index 754cf2223cfb..3a0e19d87e7c 100644 --- a/drivers/s390/crypto/ap_bus.h +++ b/drivers/s390/crypto/ap_bus.h @@ -250,8 +250,8 @@ void ap_queue_remove(struct ap_queue *aq); void ap_queue_suspend(struct ap_device *ap_dev); void ap_queue_resume(struct ap_device *ap_dev); -struct ap_card *ap_card_create(int id, int queue_depth, int device_type, - unsigned int device_functions); +struct ap_card *ap_card_create(int id, int queue_depth, int raw_device_type, + int comp_device_type, unsigned int functions); int ap_module_init(void); void ap_module_exit(void); diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c index 836efac96813..97a8cf578116 100644 --- a/drivers/s390/crypto/ap_card.c +++ b/drivers/s390/crypto/ap_card.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2016 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -170,22 +171,20 @@ static void ap_card_device_release(struct device *dev) kfree(ac); } -struct ap_card *ap_card_create(int id, int queue_depth, int device_type, - unsigned int functions) +struct ap_card *ap_card_create(int id, int queue_depth, int raw_type, + int comp_type, unsigned int functions) { struct ap_card *ac; ac = kzalloc(sizeof(*ac), GFP_KERNEL); if (!ac) return NULL; + INIT_LIST_HEAD(&ac->list); INIT_LIST_HEAD(&ac->queues); ac->ap_dev.device.release = ap_card_device_release; ac->ap_dev.device.type = &ap_card_type; - ac->ap_dev.device_type = device_type; - /* CEX6 toleration: map to CEX5 */ - if (device_type == AP_DEVICE_TYPE_CEX6) - ac->ap_dev.device_type = AP_DEVICE_TYPE_CEX5; - ac->raw_hwtype = device_type; + ac->ap_dev.device_type = comp_type; + ac->raw_hwtype = raw_type; ac->queue_depth = queue_depth; ac->functions = functions; ac->id = id; diff --git a/drivers/s390/crypto/ap_debug.h b/drivers/s390/crypto/ap_debug.h index 78dbff842dae..6a9d77c75ec3 100644 --- a/drivers/s390/crypto/ap_debug.h +++ b/drivers/s390/crypto/ap_debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2016 * Author(s): Harald Freudenberger <freude@de.ibm.com> diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index 56b96edffd5b..a550d40921e7 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2016 * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com> @@ -626,13 +627,11 @@ struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type) aq->ap_dev.device.release = ap_queue_device_release; aq->ap_dev.device.type = &ap_queue_type; aq->ap_dev.device_type = device_type; - /* CEX6 toleration: map to CEX5 */ - if (device_type == AP_DEVICE_TYPE_CEX6) - aq->ap_dev.device_type = AP_DEVICE_TYPE_CEX5; aq->qid = qid; aq->state = AP_STATE_RESET_START; aq->interrupt = AP_INTR_DISABLED; spin_lock_init(&aq->lock); + INIT_LIST_HEAD(&aq->list); INIT_LIST_HEAD(&aq->pendingq); INIT_LIST_HEAD(&aq->requestq); setup_timer(&aq->timeout, ap_request_timeout, (unsigned long) aq); diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index f61fa47135a6..8dda5bb34a2f 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -125,10 +125,9 @@ static int alloc_and_prep_cprbmem(size_t paramblen, * allocate consecutive memory for request CPRB, request param * block, reply CPRB and reply param block */ - cprbmem = kmalloc(2 * cprbplusparamblen, GFP_KERNEL); + cprbmem = kzalloc(2 * cprbplusparamblen, GFP_KERNEL); if (!cprbmem) return -ENOMEM; - memset(cprbmem, 0, 2 * cprbplusparamblen); preqcblk = (struct CPRBX *) cprbmem; prepcblk = (struct CPRBX *) (cprbmem + cprbplusparamblen); diff --git a/drivers/s390/crypto/zcrypt_api.h b/drivers/s390/crypto/zcrypt_api.h index 6c94efd23eac..73541a798db7 100644 --- a/drivers/s390/crypto/zcrypt_api.h +++ b/drivers/s390/crypto/zcrypt_api.h @@ -76,6 +76,7 @@ struct ica_z90_status { #define ZCRYPT_CEX3A 8 #define ZCRYPT_CEX4 10 #define ZCRYPT_CEX5 11 +#define ZCRYPT_CEX6 12 /** * Large random numbers are pulled in 4096 byte chunks from the crypto cards diff --git a/drivers/s390/crypto/zcrypt_cex4.c b/drivers/s390/crypto/zcrypt_cex4.c index 4e91163d70a6..e2eebc775a37 100644 --- a/drivers/s390/crypto/zcrypt_cex4.c +++ b/drivers/s390/crypto/zcrypt_cex4.c @@ -45,6 +45,8 @@ static struct ap_device_id zcrypt_cex4_card_ids[] = { .match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE }, { .dev_type = AP_DEVICE_TYPE_CEX5, .match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE }, + { .dev_type = AP_DEVICE_TYPE_CEX6, + .match_flags = AP_DEVICE_ID_MATCH_CARD_TYPE }, { /* end of list */ }, }; @@ -55,6 +57,8 @@ static struct ap_device_id zcrypt_cex4_queue_ids[] = { .match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE }, { .dev_type = AP_DEVICE_TYPE_CEX5, .match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE }, + { .dev_type = AP_DEVICE_TYPE_CEX6, + .match_flags = AP_DEVICE_ID_MATCH_QUEUE_TYPE }, { /* end of list */ }, }; @@ -72,17 +76,25 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev) * MEX_1k, MEX_2k, MEX_4k, CRT_1k, CRT_2k, CRT_4k, RNG, SECKEY */ static const int CEX4A_SPEED_IDX[] = { - 5, 6, 59, 20, 115, 581, 0, 0}; + 14, 19, 249, 42, 228, 1458, 0, 0}; static const int CEX5A_SPEED_IDX[] = { - 3, 3, 6, 8, 32, 218, 0, 0}; + 8, 9, 20, 18, 66, 458, 0, 0}; + static const int CEX6A_SPEED_IDX[] = { + 6, 9, 20, 17, 65, 438, 0, 0}; + static const int CEX4C_SPEED_IDX[] = { - 24, 25, 82, 41, 138, 1111, 79, 8}; + 59, 69, 308, 83, 278, 2204, 209, 40}; static const int CEX5C_SPEED_IDX[] = { - 10, 14, 23, 17, 45, 242, 63, 4}; + 24, 31, 50, 37, 90, 479, 27, 10}; + static const int CEX6C_SPEED_IDX[] = { + 16, 20, 32, 27, 77, 455, 23, 9}; + static const int CEX4P_SPEED_IDX[] = { - 142, 198, 1852, 203, 331, 1563, 0, 8}; + 224, 313, 3560, 359, 605, 2827, 0, 50}; static const int CEX5P_SPEED_IDX[] = { - 49, 67, 131, 52, 85, 287, 0, 4}; + 63, 84, 156, 83, 142, 533, 0, 10}; + static const int CEX6P_SPEED_IDX[] = { + 55, 70, 121, 73, 129, 522, 0, 9}; struct ap_card *ac = to_ap_card(&ap_dev->device); struct zcrypt_card *zc; @@ -99,11 +111,16 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev) zc->user_space_type = ZCRYPT_CEX4; memcpy(zc->speed_rating, CEX4A_SPEED_IDX, sizeof(CEX4A_SPEED_IDX)); - } else { + } else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) { zc->type_string = "CEX5A"; zc->user_space_type = ZCRYPT_CEX5; memcpy(zc->speed_rating, CEX5A_SPEED_IDX, sizeof(CEX5A_SPEED_IDX)); + } else { + zc->type_string = "CEX6A"; + zc->user_space_type = ZCRYPT_CEX6; + memcpy(zc->speed_rating, CEX6A_SPEED_IDX, + sizeof(CEX6A_SPEED_IDX)); } zc->min_mod_size = CEX4A_MIN_MOD_SIZE; if (ap_test_bit(&ac->functions, AP_FUNC_MEX4K) && @@ -125,7 +142,7 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev) zc->user_space_type = ZCRYPT_CEX3C; memcpy(zc->speed_rating, CEX4C_SPEED_IDX, sizeof(CEX4C_SPEED_IDX)); - } else { + } else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) { zc->type_string = "CEX5C"; /* wrong user space type, must be CEX5 * just keep it for cca compatibility @@ -133,6 +150,14 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev) zc->user_space_type = ZCRYPT_CEX3C; memcpy(zc->speed_rating, CEX5C_SPEED_IDX, sizeof(CEX5C_SPEED_IDX)); + } else { + zc->type_string = "CEX6C"; + /* wrong user space type, must be CEX6 + * just keep it for cca compatibility + */ + zc->user_space_type = ZCRYPT_CEX3C; + memcpy(zc->speed_rating, CEX6C_SPEED_IDX, + sizeof(CEX6C_SPEED_IDX)); } zc->min_mod_size = CEX4C_MIN_MOD_SIZE; zc->max_mod_size = CEX4C_MAX_MOD_SIZE; @@ -143,11 +168,16 @@ static int zcrypt_cex4_card_probe(struct ap_device *ap_dev) zc->user_space_type = ZCRYPT_CEX4; memcpy(zc->speed_rating, CEX4P_SPEED_IDX, sizeof(CEX4P_SPEED_IDX)); - } else { + } else if (ac->ap_dev.device_type == AP_DEVICE_TYPE_CEX5) { zc->type_string = "CEX5P"; zc->user_space_type = ZCRYPT_CEX5; memcpy(zc->speed_rating, CEX5P_SPEED_IDX, sizeof(CEX5P_SPEED_IDX)); + } else { + zc->type_string = "CEX6P"; + zc->user_space_type = ZCRYPT_CEX6; + memcpy(zc->speed_rating, CEX6P_SPEED_IDX, + sizeof(CEX6P_SPEED_IDX)); } zc->min_mod_size = CEX4C_MIN_MOD_SIZE; zc->max_mod_size = CEX4C_MAX_MOD_SIZE; diff --git a/drivers/s390/crypto/zcrypt_cex4.h b/drivers/s390/crypto/zcrypt_cex4.h index 719571375ccc..748390a3799b 100644 --- a/drivers/s390/crypto/zcrypt_cex4.h +++ b/drivers/s390/crypto/zcrypt_cex4.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2012 * Author(s): Holger Dengler <hd@linux.vnet.ibm.com> diff --git a/drivers/s390/crypto/zcrypt_debug.h b/drivers/s390/crypto/zcrypt_debug.h index 13e38defb6b8..241dbb5f75bf 100644 --- a/drivers/s390/crypto/zcrypt_debug.h +++ b/drivers/s390/crypto/zcrypt_debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2016 * Author(s): Holger Dengler (hd@linux.vnet.ibm.com) diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c index 6dd5d7c58dd0..db5bde47dfb0 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.c +++ b/drivers/s390/crypto/zcrypt_msgtype50.c @@ -240,8 +240,7 @@ static int ICAMEX_msg_to_type50MEX_msg(struct zcrypt_queue *zq, mod = meb2->modulus + sizeof(meb2->modulus) - mod_len; exp = meb2->exponent + sizeof(meb2->exponent) - mod_len; inp = meb2->message + sizeof(meb2->message) - mod_len; - } else { - /* mod_len > 256 = 4096 bit RSA Key */ + } else if (mod_len <= 512) { struct type50_meb3_msg *meb3 = ap_msg->message; memset(meb3, 0, sizeof(*meb3)); ap_msg->length = sizeof(*meb3); @@ -251,7 +250,8 @@ static int ICAMEX_msg_to_type50MEX_msg(struct zcrypt_queue *zq, mod = meb3->modulus + sizeof(meb3->modulus) - mod_len; exp = meb3->exponent + sizeof(meb3->exponent) - mod_len; inp = meb3->message + sizeof(meb3->message) - mod_len; - } + } else + return -EINVAL; if (copy_from_user(mod, mex->n_modulus, mod_len) || copy_from_user(exp, mex->b_key, mod_len) || diff --git a/drivers/s390/crypto/zcrypt_msgtype6.c b/drivers/s390/crypto/zcrypt_msgtype6.c index afd20cee7ea0..785620d30504 100644 --- a/drivers/s390/crypto/zcrypt_msgtype6.c +++ b/drivers/s390/crypto/zcrypt_msgtype6.c @@ -474,7 +474,8 @@ static int XCRB_msg_to_type6CPRB_msgX(struct ap_message *ap_msg, *fcode = (msg->hdr.function_code[0] << 8) | msg->hdr.function_code[1]; *dom = (unsigned short *)&msg->cprbx.domain; - if (memcmp(function_code, "US", 2) == 0) + if (memcmp(function_code, "US", 2) == 0 + || memcmp(function_code, "AU", 2) == 0) ap_msg->special = 1; else ap_msg->special = 0; diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile index c351b07603e0..513b7ae64980 100644 --- a/drivers/s390/net/Makefile +++ b/drivers/s390/net/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # S/390 network devices # diff --git a/drivers/s390/net/ctcm_dbug.c b/drivers/s390/net/ctcm_dbug.c index 8363f1c966ef..f7ec51db3cd6 100644 --- a/drivers/s390/net/ctcm_dbug.c +++ b/drivers/s390/net/ctcm_dbug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2001, 2007 * Authors: Peter Tiedemann (ptiedem@de.ibm.com) diff --git a/drivers/s390/net/ctcm_dbug.h b/drivers/s390/net/ctcm_dbug.h index 47bf0501995e..675575ef162e 100644 --- a/drivers/s390/net/ctcm_dbug.h +++ b/drivers/s390/net/ctcm_dbug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2001, 2007 * Authors: Peter Tiedemann (ptiedem@de.ibm.com) diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c index 570ae3b7adf6..1b4ee570b712 100644 --- a/drivers/s390/net/ctcm_fsms.c +++ b/drivers/s390/net/ctcm_fsms.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2001, 2007 * Authors: Fritz Elfert (felfert@millenux.com) diff --git a/drivers/s390/net/ctcm_fsms.h b/drivers/s390/net/ctcm_fsms.h index c963d04799c0..225737295cb4 100644 --- a/drivers/s390/net/ctcm_fsms.h +++ b/drivers/s390/net/ctcm_fsms.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2001, 2007 * Authors: Fritz Elfert (felfert@millenux.com) diff --git a/drivers/s390/net/ctcm_main.c b/drivers/s390/net/ctcm_main.c index 26363e0816fe..be9f17218531 100644 --- a/drivers/s390/net/ctcm_main.c +++ b/drivers/s390/net/ctcm_main.c @@ -1761,6 +1761,7 @@ static struct ccwgroup_driver ctcm_group_driver = { .owner = THIS_MODULE, .name = CTC_DRIVER_NAME, }, + .ccw_driver = &ctcm_ccw_driver, .setup = ctcm_probe_device, .remove = ctcm_remove_device, .set_online = ctcm_new_device, diff --git a/drivers/s390/net/ctcm_main.h b/drivers/s390/net/ctcm_main.h index 6f4417c80247..16bdf23ee02b 100644 --- a/drivers/s390/net/ctcm_main.h +++ b/drivers/s390/net/ctcm_main.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2001, 2007 * Authors: Fritz Elfert (felfert@millenux.com) diff --git a/drivers/s390/net/ctcm_mpc.c b/drivers/s390/net/ctcm_mpc.c index f8be39634f03..e02f295d38a9 100644 --- a/drivers/s390/net/ctcm_mpc.c +++ b/drivers/s390/net/ctcm_mpc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2004, 2007 * Authors: Belinda Thompson (belindat@us.ibm.com) diff --git a/drivers/s390/net/ctcm_mpc.h b/drivers/s390/net/ctcm_mpc.h index bd1b1cc54ffa..441d7b211f0f 100644 --- a/drivers/s390/net/ctcm_mpc.h +++ b/drivers/s390/net/ctcm_mpc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007 * Authors: Peter Tiedemann (ptiedem@de.ibm.com) diff --git a/drivers/s390/net/ctcm_sysfs.c b/drivers/s390/net/ctcm_sysfs.c index ddb0aa321339..ded1930a00b2 100644 --- a/drivers/s390/net/ctcm_sysfs.c +++ b/drivers/s390/net/ctcm_sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007, 2007 * Authors: Peter Tiedemann (ptiedem@de.ibm.com) diff --git a/drivers/s390/net/fsm.h b/drivers/s390/net/fsm.h index a4510cf59034..16dc071a2973 100644 --- a/drivers/s390/net/fsm.h +++ b/drivers/s390/net/fsm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FSM_H_ #define _FSM_H_ diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index d01b5c2a7760..e131a03262ad 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -834,13 +834,13 @@ lcs_notify_lancmd_waiters(struct lcs_card *card, struct lcs_cmd *cmd) * Emit buffer of a lan command. */ static void -lcs_lancmd_timeout(unsigned long data) +lcs_lancmd_timeout(struct timer_list *t) { - struct lcs_reply *reply, *list_reply, *r; + struct lcs_reply *reply = from_timer(reply, t, timer); + struct lcs_reply *list_reply, *r; unsigned long flags; LCS_DBF_TEXT(4, trace, "timeout"); - reply = (struct lcs_reply *) data; spin_lock_irqsave(&reply->card->lock, flags); list_for_each_entry_safe(list_reply, r, &reply->card->lancmd_waiters,list) { @@ -864,7 +864,6 @@ lcs_send_lancmd(struct lcs_card *card, struct lcs_buffer *buffer, { struct lcs_reply *reply; struct lcs_cmd *cmd; - struct timer_list timer; unsigned long flags; int rc; @@ -885,14 +884,10 @@ lcs_send_lancmd(struct lcs_card *card, struct lcs_buffer *buffer, rc = lcs_ready_buffer(&card->write, buffer); if (rc) return rc; - init_timer_on_stack(&timer); - timer.function = lcs_lancmd_timeout; - timer.data = (unsigned long) reply; - timer.expires = jiffies + HZ*card->lancmd_timeout; - add_timer(&timer); + timer_setup(&reply->timer, lcs_lancmd_timeout, 0); + mod_timer(&reply->timer, jiffies + HZ * card->lancmd_timeout); wait_event(reply->wait_q, reply->received); - del_timer_sync(&timer); - destroy_timer_on_stack(&timer); + del_timer_sync(&reply->timer); LCS_DBF_TEXT_(4, trace, "rc:%d",reply->rc); rc = reply->rc; lcs_put_reply(reply); @@ -2396,6 +2391,7 @@ static struct ccwgroup_driver lcs_group_driver = { .owner = THIS_MODULE, .name = "lcs", }, + .ccw_driver = &lcs_ccw_driver, .setup = lcs_probe_device, .remove = lcs_remove_device, .set_online = lcs_new_device, diff --git a/drivers/s390/net/lcs.h b/drivers/s390/net/lcs.h index 150fcb4cebc3..fbc8b90b1f85 100644 --- a/drivers/s390/net/lcs.h +++ b/drivers/s390/net/lcs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*lcs.h*/ #include <linux/interrupt.h> @@ -275,6 +276,7 @@ struct lcs_reply { void (*callback)(struct lcs_card *, struct lcs_cmd *); wait_queue_head_t wait_q; struct lcs_card *card; + struct timer_list timer; int received; int rc; }; diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 59e09854c4f7..47a13c5723c6 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index bae7440abc01..61cf3e9c0acb 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -5875,6 +5875,7 @@ static struct ccwgroup_driver qeth_core_ccwgroup_driver = { .owner = THIS_MODULE, .name = "qeth", }, + .ccw_driver = &qeth_ccw_driver, .setup = qeth_core_probe_device, .remove = qeth_core_remove_device, .set_online = qeth_core_set_online, diff --git a/drivers/s390/net/qeth_core_mpc.c b/drivers/s390/net/qeth_core_mpc.c index 6dd7d05e5693..dafb8c643426 100644 --- a/drivers/s390/net/qeth_core_mpc.c +++ b/drivers/s390/net/qeth_core_mpc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007 * Author(s): Frank Pavlic <fpavlic@de.ibm.com>, diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h index 912e0107de8f..55f3d234ea1d 100644 --- a/drivers/s390/net/qeth_core_mpc.h +++ b/drivers/s390/net/qeth_core_mpc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007 * Author(s): Frank Pavlic <fpavlic@de.ibm.com>, diff --git a/drivers/s390/net/qeth_l2.h b/drivers/s390/net/qeth_l2.h index 0d59f9a45ea9..d4a8293d318d 100644 --- a/drivers/s390/net/qeth_l2.h +++ b/drivers/s390/net/qeth_l2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2013 * Author(s): Eugene Crosser <eugene.crosser@ru.ibm.com> diff --git a/drivers/s390/net/qeth_l2_sys.c b/drivers/s390/net/qeth_l2_sys.c index 9696baa49e2d..d33d413f7150 100644 --- a/drivers/s390/net/qeth_l2_sys.c +++ b/drivers/s390/net/qeth_l2_sys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2013 * Author(s): Eugene Crosser <eugene.crosser@ru.ibm.com> diff --git a/drivers/s390/net/qeth_l3.h b/drivers/s390/net/qeth_l3.h index 9b5e439f18cf..194ae9b577cc 100644 --- a/drivers/s390/net/qeth_l3.h +++ b/drivers/s390/net/qeth_l3.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright IBM Corp. 2007 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index e8bcc314cc5f..7a829ad77783 100644 --- a/drivers/s390/net/qeth_l3_sys.c +++ b/drivers/s390/net/qeth_l3_sys.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2007 * Author(s): Utz Bacher <utz.bacher@de.ibm.com>, diff --git a/drivers/s390/net/smsgiucv.h b/drivers/s390/net/smsgiucv.h index 45bc925928ca..a0d6c6130c4b 100644 --- a/drivers/s390/net/smsgiucv.h +++ b/drivers/s390/net/smsgiucv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IUCV special message driver * diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c index 82ac331d9125..84752152d41f 100644 --- a/drivers/s390/scsi/zfcp_aux.c +++ b/drivers/s390/scsi/zfcp_aux.c @@ -357,6 +357,8 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device) adapter->next_port_scan = jiffies; + adapter->erp_action.adapter = adapter; + if (zfcp_qdio_setup(adapter)) goto failed; @@ -513,6 +515,9 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn, port->dev.groups = zfcp_port_attr_groups; port->dev.release = zfcp_port_release; + port->erp_action.adapter = adapter; + port->erp_action.port = port; + if (dev_set_name(&port->dev, "0x%016llx", (unsigned long long)wwpn)) { kfree(port); goto err_out; diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c index 54c7b48fdb46..49eda141ea43 100644 --- a/drivers/s390/scsi/zfcp_ccw.c +++ b/drivers/s390/scsi/zfcp_ccw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 8227076c9cbb..a8b831000b2d 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h index 3508c00458f4..e2a973cd2573 100644 --- a/drivers/s390/scsi/zfcp_dbf.h +++ b/drivers/s390/scsi/zfcp_dbf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * debug feature declarations diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index b8e853e53546..3396a47721a7 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c index 37408f5f81ce..cbb8156bf5e0 100644 --- a/drivers/s390/scsi/zfcp_erp.c +++ b/drivers/s390/scsi/zfcp_erp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * @@ -193,9 +194,8 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status, atomic_or(ZFCP_STATUS_COMMON_ERP_INUSE, &zfcp_sdev->status); erp_action = &zfcp_sdev->erp_action; - memset(erp_action, 0, sizeof(struct zfcp_erp_action)); - erp_action->port = port; - erp_action->sdev = sdev; + WARN_ON_ONCE(erp_action->port != port); + WARN_ON_ONCE(erp_action->sdev != sdev); if (!(atomic_read(&zfcp_sdev->status) & ZFCP_STATUS_COMMON_RUNNING)) act_status |= ZFCP_STATUS_ERP_CLOSE_ONLY; @@ -208,8 +208,8 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status, zfcp_erp_action_dismiss_port(port); atomic_or(ZFCP_STATUS_COMMON_ERP_INUSE, &port->status); erp_action = &port->erp_action; - memset(erp_action, 0, sizeof(struct zfcp_erp_action)); - erp_action->port = port; + WARN_ON_ONCE(erp_action->port != port); + WARN_ON_ONCE(erp_action->sdev != NULL); if (!(atomic_read(&port->status) & ZFCP_STATUS_COMMON_RUNNING)) act_status |= ZFCP_STATUS_ERP_CLOSE_ONLY; break; @@ -219,7 +219,8 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status, zfcp_erp_action_dismiss_adapter(adapter); atomic_or(ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status); erp_action = &adapter->erp_action; - memset(erp_action, 0, sizeof(struct zfcp_erp_action)); + WARN_ON_ONCE(erp_action->port != NULL); + WARN_ON_ONCE(erp_action->sdev != NULL); if (!(atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_RUNNING)) act_status |= ZFCP_STATUS_ERP_CLOSE_ONLY; @@ -229,7 +230,11 @@ static struct zfcp_erp_action *zfcp_erp_setup_act(int need, u32 act_status, return NULL; } - erp_action->adapter = adapter; + WARN_ON_ONCE(erp_action->adapter != adapter); + memset(&erp_action->list, 0, sizeof(erp_action->list)); + memset(&erp_action->timer, 0, sizeof(erp_action->timer)); + erp_action->step = ZFCP_ERP_STEP_UNINITIALIZED; + erp_action->fsf_req_id = 0; erp_action->action = need; erp_action->status = act_status; diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h index a9e968717dd9..8ca2ab7deaa9 100644 --- a/drivers/s390/scsi/zfcp_ext.h +++ b/drivers/s390/scsi/zfcp_ext.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index 8210645c2111..ca218c82321f 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h index 41f22d3dc6d1..6a397ddaadf0 100644 --- a/drivers/s390/scsi/zfcp_fc.h +++ b/drivers/s390/scsi/zfcp_fc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c index 69d1dc3ec79d..00fb98f7b2cd 100644 --- a/drivers/s390/scsi/zfcp_fsf.c +++ b/drivers/s390/scsi/zfcp_fsf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h index 88feba5bfda4..4baca67aba6d 100644 --- a/drivers/s390/scsi/zfcp_fsf.h +++ b/drivers/s390/scsi/zfcp_fsf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 9e358fc04b78..4ab02e8d36f3 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_qdio.h b/drivers/s390/scsi/zfcp_qdio.h index 7f647a90c750..886c662cc154 100644 --- a/drivers/s390/scsi/zfcp_qdio.h +++ b/drivers/s390/scsi/zfcp_qdio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_reqlist.h b/drivers/s390/scsi/zfcp_reqlist.h index 703fce59befe..59a943c0d51d 100644 --- a/drivers/s390/scsi/zfcp_reqlist.h +++ b/drivers/s390/scsi/zfcp_reqlist.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index ec3ddd1d31d5..4d2ba5682493 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * @@ -115,10 +116,15 @@ static int zfcp_scsi_slave_alloc(struct scsi_device *sdev) struct zfcp_unit *unit; int npiv = adapter->connection_features & FSF_FEATURE_NPIV_MODE; + zfcp_sdev->erp_action.adapter = adapter; + zfcp_sdev->erp_action.sdev = sdev; + port = zfcp_get_port_by_wwpn(adapter, rport->port_name); if (!port) return -ENXIO; + zfcp_sdev->erp_action.port = port; + unit = zfcp_unit_find(port, zfcp_scsi_dev_lun(sdev)); if (unit) put_device(&unit->dev); diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c index 96a0be13e841..3ac823f2540f 100644 --- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c index 9310a547b89f..1bf0a0984a09 100644 --- a/drivers/s390/scsi/zfcp_unit.c +++ b/drivers/s390/scsi/zfcp_unit.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zfcp device driver * diff --git a/drivers/s390/virtio/Makefile b/drivers/s390/virtio/Makefile index df40692a9011..f68af1f317f1 100644 --- a/drivers/s390/virtio/Makefile +++ b/drivers/s390/virtio/Makefile @@ -6,8 +6,4 @@ # it under the terms of the GNU General Public License (version 2 only) # as published by the Free Software Foundation. -s390-virtio-objs := virtio_ccw.o -ifdef CONFIG_S390_GUEST_OLD_TRANSPORT -s390-virtio-objs += kvm_virtio.o -endif -obj-$(CONFIG_S390_GUEST) += $(s390-virtio-objs) +obj-$(CONFIG_S390_GUEST) += virtio_ccw.o diff --git a/drivers/s390/virtio/kvm_virtio.c b/drivers/s390/virtio/kvm_virtio.c deleted file mode 100644 index a99d09a11f05..000000000000 --- a/drivers/s390/virtio/kvm_virtio.c +++ /dev/null @@ -1,515 +0,0 @@ -/* - * virtio for kvm on s390 - * - * Copyright IBM Corp. 2008 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (version 2 only) - * as published by the Free Software Foundation. - * - * Author(s): Christian Borntraeger <borntraeger@de.ibm.com> - */ - -#include <linux/kernel_stat.h> -#include <linux/init.h> -#include <linux/bootmem.h> -#include <linux/err.h> -#include <linux/virtio.h> -#include <linux/virtio_config.h> -#include <linux/slab.h> -#include <linux/virtio_console.h> -#include <linux/interrupt.h> -#include <linux/virtio_ring.h> -#include <linux/export.h> -#include <linux/pfn.h> -#include <asm/io.h> -#include <asm/kvm_para.h> -#include <asm/kvm_virtio.h> -#include <asm/sclp.h> -#include <asm/setup.h> -#include <asm/irq.h> - -#define VIRTIO_SUBCODE_64 0x0D00 - -/* - * The pointer to our (page) of device descriptions. - */ -static void *kvm_devices; -static struct work_struct hotplug_work; - -struct kvm_device { - struct virtio_device vdev; - struct kvm_device_desc *desc; -}; - -#define to_kvmdev(vd) container_of(vd, struct kvm_device, vdev) - -/* - * memory layout: - * - kvm_device_descriptor - * struct kvm_device_desc - * - configuration - * struct kvm_vqconfig - * - feature bits - * - config space - */ -static struct kvm_vqconfig *kvm_vq_config(const struct kvm_device_desc *desc) -{ - return (struct kvm_vqconfig *)(desc + 1); -} - -static u8 *kvm_vq_features(const struct kvm_device_desc *desc) -{ - return (u8 *)(kvm_vq_config(desc) + desc->num_vq); -} - -static u8 *kvm_vq_configspace(const struct kvm_device_desc *desc) -{ - return kvm_vq_features(desc) + desc->feature_len * 2; -} - -/* - * The total size of the config page used by this device (incl. desc) - */ -static unsigned desc_size(const struct kvm_device_desc *desc) -{ - return sizeof(*desc) - + desc->num_vq * sizeof(struct kvm_vqconfig) - + desc->feature_len * 2 - + desc->config_len; -} - -/* This gets the device's feature bits. */ -static u64 kvm_get_features(struct virtio_device *vdev) -{ - unsigned int i; - u32 features = 0; - struct kvm_device_desc *desc = to_kvmdev(vdev)->desc; - u8 *in_features = kvm_vq_features(desc); - - for (i = 0; i < min(desc->feature_len * 8, 32); i++) - if (in_features[i / 8] & (1 << (i % 8))) - features |= (1 << i); - return features; -} - -static int kvm_finalize_features(struct virtio_device *vdev) -{ - unsigned int i, bits; - struct kvm_device_desc *desc = to_kvmdev(vdev)->desc; - /* Second half of bitmap is features we accept. */ - u8 *out_features = kvm_vq_features(desc) + desc->feature_len; - - /* Give virtio_ring a chance to accept features. */ - vring_transport_features(vdev); - - /* Make sure we don't have any features > 32 bits! */ - BUG_ON((u32)vdev->features != vdev->features); - - memset(out_features, 0, desc->feature_len); - bits = min_t(unsigned, desc->feature_len, sizeof(vdev->features)) * 8; - for (i = 0; i < bits; i++) { - if (__virtio_test_bit(vdev, i)) - out_features[i / 8] |= (1 << (i % 8)); - } - - return 0; -} - -/* - * Reading and writing elements in config space - */ -static void kvm_get(struct virtio_device *vdev, unsigned int offset, - void *buf, unsigned len) -{ - struct kvm_device_desc *desc = to_kvmdev(vdev)->desc; - - BUG_ON(offset + len > desc->config_len); - memcpy(buf, kvm_vq_configspace(desc) + offset, len); -} - -static void kvm_set(struct virtio_device *vdev, unsigned int offset, - const void *buf, unsigned len) -{ - struct kvm_device_desc *desc = to_kvmdev(vdev)->desc; - - BUG_ON(offset + len > desc->config_len); - memcpy(kvm_vq_configspace(desc) + offset, buf, len); -} - -/* - * The operations to get and set the status word just access - * the status field of the device descriptor. set_status will also - * make a hypercall to the host, to tell about status changes - */ -static u8 kvm_get_status(struct virtio_device *vdev) -{ - return to_kvmdev(vdev)->desc->status; -} - -static void kvm_set_status(struct virtio_device *vdev, u8 status) -{ - BUG_ON(!status); - to_kvmdev(vdev)->desc->status = status; - kvm_hypercall1(KVM_S390_VIRTIO_SET_STATUS, - (unsigned long) to_kvmdev(vdev)->desc); -} - -/* - * To reset the device, we use the KVM_VIRTIO_RESET hypercall, using the - * descriptor address. The Host will zero the status and all the - * features. - */ -static void kvm_reset(struct virtio_device *vdev) -{ - kvm_hypercall1(KVM_S390_VIRTIO_RESET, - (unsigned long) to_kvmdev(vdev)->desc); -} - -/* - * When the virtio_ring code wants to notify the Host, it calls us here and we - * make a hypercall. We hand the address of the virtqueue so the Host - * knows which virtqueue we're talking about. - */ -static bool kvm_notify(struct virtqueue *vq) -{ - long rc; - struct kvm_vqconfig *config = vq->priv; - - rc = kvm_hypercall1(KVM_S390_VIRTIO_NOTIFY, config->address); - if (rc < 0) - return false; - return true; -} - -/* - * This routine finds the first virtqueue described in the configuration of - * this device and sets it up. - */ -static struct virtqueue *kvm_find_vq(struct virtio_device *vdev, - unsigned index, - void (*callback)(struct virtqueue *vq), - const char *name, bool ctx) -{ - struct kvm_device *kdev = to_kvmdev(vdev); - struct kvm_vqconfig *config; - struct virtqueue *vq; - int err; - - if (index >= kdev->desc->num_vq) - return ERR_PTR(-ENOENT); - - if (!name) - return NULL; - - config = kvm_vq_config(kdev->desc)+index; - - err = vmem_add_mapping(config->address, - vring_size(config->num, - KVM_S390_VIRTIO_RING_ALIGN)); - if (err) - goto out; - - vq = vring_new_virtqueue(index, config->num, KVM_S390_VIRTIO_RING_ALIGN, - vdev, true, ctx, (void *) config->address, - kvm_notify, callback, name); - if (!vq) { - err = -ENOMEM; - goto unmap; - } - - /* - * register a callback token - * The host will sent this via the external interrupt parameter - */ - config->token = (u64) vq; - - vq->priv = config; - return vq; -unmap: - vmem_remove_mapping(config->address, - vring_size(config->num, - KVM_S390_VIRTIO_RING_ALIGN)); -out: - return ERR_PTR(err); -} - -static void kvm_del_vq(struct virtqueue *vq) -{ - struct kvm_vqconfig *config = vq->priv; - - vring_del_virtqueue(vq); - vmem_remove_mapping(config->address, - vring_size(config->num, - KVM_S390_VIRTIO_RING_ALIGN)); -} - -static void kvm_del_vqs(struct virtio_device *vdev) -{ - struct virtqueue *vq, *n; - - list_for_each_entry_safe(vq, n, &vdev->vqs, list) - kvm_del_vq(vq); -} - -static int kvm_find_vqs(struct virtio_device *vdev, unsigned nvqs, - struct virtqueue *vqs[], - vq_callback_t *callbacks[], - const char * const names[], - const bool *ctx, - struct irq_affinity *desc) -{ - struct kvm_device *kdev = to_kvmdev(vdev); - int i; - - /* We must have this many virtqueues. */ - if (nvqs > kdev->desc->num_vq) - return -ENOENT; - - for (i = 0; i < nvqs; ++i) { - vqs[i] = kvm_find_vq(vdev, i, callbacks[i], names[i], - ctx ? ctx[i] : false); - if (IS_ERR(vqs[i])) - goto error; - } - return 0; - -error: - kvm_del_vqs(vdev); - return PTR_ERR(vqs[i]); -} - -static const char *kvm_bus_name(struct virtio_device *vdev) -{ - return ""; -} - -/* - * The config ops structure as defined by virtio config - */ -static const struct virtio_config_ops kvm_vq_configspace_ops = { - .get_features = kvm_get_features, - .finalize_features = kvm_finalize_features, - .get = kvm_get, - .set = kvm_set, - .get_status = kvm_get_status, - .set_status = kvm_set_status, - .reset = kvm_reset, - .find_vqs = kvm_find_vqs, - .del_vqs = kvm_del_vqs, - .bus_name = kvm_bus_name, -}; - -/* - * The root device for the kvm virtio devices. - * This makes them appear as /sys/devices/kvm_s390/0,1,2 not /sys/devices/0,1,2. - */ -static struct device *kvm_root; - -/* - * adds a new device and register it with virtio - * appropriate drivers are loaded by the device model - */ -static void add_kvm_device(struct kvm_device_desc *d, unsigned int offset) -{ - struct kvm_device *kdev; - - kdev = kzalloc(sizeof(*kdev), GFP_KERNEL); - if (!kdev) { - printk(KERN_EMERG "Cannot allocate kvm dev %u type %u\n", - offset, d->type); - return; - } - - kdev->vdev.dev.parent = kvm_root; - kdev->vdev.id.device = d->type; - kdev->vdev.config = &kvm_vq_configspace_ops; - kdev->desc = d; - - if (register_virtio_device(&kdev->vdev) != 0) { - printk(KERN_ERR "Failed to register kvm device %u type %u\n", - offset, d->type); - kfree(kdev); - } -} - -/* - * scan_devices() simply iterates through the device page. - * The type 0 is reserved to mean "end of devices". - */ -static void scan_devices(void) -{ - unsigned int i; - struct kvm_device_desc *d; - - for (i = 0; i < PAGE_SIZE; i += desc_size(d)) { - d = kvm_devices + i; - - if (d->type == 0) - break; - - add_kvm_device(d, i); - } -} - -/* - * match for a kvm device with a specific desc pointer - */ -static int match_desc(struct device *dev, void *data) -{ - struct virtio_device *vdev = dev_to_virtio(dev); - struct kvm_device *kdev = to_kvmdev(vdev); - - return kdev->desc == data; -} - -/* - * hotplug_device tries to find changes in the device page. - */ -static void hotplug_devices(struct work_struct *dummy) -{ - unsigned int i; - struct kvm_device_desc *d; - struct device *dev; - - for (i = 0; i < PAGE_SIZE; i += desc_size(d)) { - d = kvm_devices + i; - - /* end of list */ - if (d->type == 0) - break; - - /* device already exists */ - dev = device_find_child(kvm_root, d, match_desc); - if (dev) { - /* XXX check for hotplug remove */ - put_device(dev); - continue; - } - - /* new device */ - printk(KERN_INFO "Adding new virtio device %p\n", d); - add_kvm_device(d, i); - } -} - -/* - * we emulate the request_irq behaviour on top of s390 extints - */ -static void kvm_extint_handler(struct ext_code ext_code, - unsigned int param32, unsigned long param64) -{ - struct virtqueue *vq; - u32 param; - - if ((ext_code.subcode & 0xff00) != VIRTIO_SUBCODE_64) - return; - inc_irq_stat(IRQEXT_VRT); - - /* The LSB might be overloaded, we have to mask it */ - vq = (struct virtqueue *)(param64 & ~1UL); - - /* We use ext_params to decide what this interrupt means */ - param = param32 & VIRTIO_PARAM_MASK; - - switch (param) { - case VIRTIO_PARAM_CONFIG_CHANGED: - virtio_config_changed(vq->vdev); - break; - case VIRTIO_PARAM_DEV_ADD: - schedule_work(&hotplug_work); - break; - case VIRTIO_PARAM_VRING_INTERRUPT: - default: - vring_interrupt(0, vq); - break; - } -} - -/* - * For s390-virtio, we expect a page above main storage containing - * the virtio configuration. Try to actually load from this area - * in order to figure out if the host provides this page. - */ -static int __init test_devices_support(unsigned long addr) -{ - int ret = -EIO; - - asm volatile( - "0: lura 0,%1\n" - "1: xgr %0,%0\n" - "2:\n" - EX_TABLE(0b,2b) - EX_TABLE(1b,2b) - : "+d" (ret) - : "a" (addr) - : "0", "cc"); - return ret; -} -/* - * Init function for virtio - * devices are in a single page above top of "normal" + standby mem - */ -static int __init kvm_devices_init(void) -{ - int rc; - unsigned long total_memory_size = sclp.rzm * sclp.rnmax; - - if (!MACHINE_IS_KVM) - return -ENODEV; - - if (test_devices_support(total_memory_size) < 0) - return -ENODEV; - - pr_warn("The s390-virtio transport is deprecated. Please switch to a modern host providing virtio-ccw.\n"); - - rc = vmem_add_mapping(total_memory_size, PAGE_SIZE); - if (rc) - return rc; - - kvm_devices = (void *) total_memory_size; - - kvm_root = root_device_register("kvm_s390"); - if (IS_ERR(kvm_root)) { - rc = PTR_ERR(kvm_root); - printk(KERN_ERR "Could not register kvm_s390 root device"); - vmem_remove_mapping(total_memory_size, PAGE_SIZE); - return rc; - } - - INIT_WORK(&hotplug_work, hotplug_devices); - - irq_subclass_register(IRQ_SUBCLASS_SERVICE_SIGNAL); - register_external_irq(EXT_IRQ_CP_SERVICE, kvm_extint_handler); - - scan_devices(); - return 0; -} - -/* code for early console output with virtio_console */ -static int early_put_chars(u32 vtermno, const char *buf, int count) -{ - char scratch[17]; - unsigned int len = count; - - if (len > sizeof(scratch) - 1) - len = sizeof(scratch) - 1; - scratch[len] = '\0'; - memcpy(scratch, buf, len); - kvm_hypercall1(KVM_S390_VIRTIO_NOTIFY, __pa(scratch)); - return len; -} - -static int __init s390_virtio_console_init(void) -{ - if (sclp.has_vt220 || sclp.has_linemode) - return -ENODEV; - return virtio_cons_early_init(early_put_chars); -} -console_initcall(s390_virtio_console_init); - - -/* - * We do this after core stuff, but before the drivers. - */ -postcore_initcall(kvm_devices_init); diff --git a/drivers/sbus/char/Makefile b/drivers/sbus/char/Makefile index 78b6183c9866..ae478144c551 100644 --- a/drivers/sbus/char/Makefile +++ b/drivers/sbus/char/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel miscellaneous SPARC device drivers. # diff --git a/drivers/sbus/char/bbc_envctrl.c b/drivers/sbus/char/bbc_envctrl.c index 228c782d6433..fb5bcf6dddc1 100644 --- a/drivers/sbus/char/bbc_envctrl.c +++ b/drivers/sbus/char/bbc_envctrl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* bbc_envctrl.c: UltraSPARC-III environment control driver. * * Copyright (C) 2001, 2008 David S. Miller (davem@davemloft.net) diff --git a/drivers/sbus/char/bbc_i2c.h b/drivers/sbus/char/bbc_i2c.h index 4b4531066e75..c2d066d3fa41 100644 --- a/drivers/sbus/char/bbc_i2c.h +++ b/drivers/sbus/char/bbc_i2c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BBC_I2C_H #define _BBC_I2C_H diff --git a/drivers/sbus/char/max1617.h b/drivers/sbus/char/max1617.h index cd30819a0a30..45c8318787d8 100644 --- a/drivers/sbus/char/max1617.h +++ b/drivers/sbus/char/max1617.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $Id: max1617.h,v 1.1 2001/04/02 09:59:08 davem Exp $ */ #ifndef _MAX1617_H #define _MAX1617_H diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h index f34c916b95bc..0c9a100af667 100644 --- a/drivers/scsi/53c700.h +++ b/drivers/scsi/53c700.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* -*- mode: c; c-basic-offset: 8 -*- */ /* Driver for 53c700 and 53c700-66 chips from NCR and Symbios diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 93dbe58c47c8..1639bf8b1ab6 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for linux/drivers/scsi # diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c index 8a0812221d72..777b0222d021 100644 --- a/drivers/scsi/NCR5380.c +++ b/drivers/scsi/NCR5380.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * NCR 5380 generic driver routines. These should make it *trivial* * to implement 5380 SCSI drivers under Linux with a non-trantor diff --git a/drivers/scsi/NCR5380.h b/drivers/scsi/NCR5380.h index d78f0957d865..31096a0b0fdd 100644 --- a/drivers/scsi/NCR5380.h +++ b/drivers/scsi/NCR5380.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * NCR 5380 defines * diff --git a/drivers/scsi/NCR_D700.h b/drivers/scsi/NCR_D700.h index f167af6bd2af..eb675d782ef6 100644 --- a/drivers/scsi/NCR_D700.h +++ b/drivers/scsi/NCR_D700.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* -*- mode: c; c-basic-offset: 8 -*- */ /* NCR Dual 700 MCA SCSI Driver diff --git a/drivers/scsi/NCR_Q720.h b/drivers/scsi/NCR_Q720.h index 7b9209008187..d5f46cdb736e 100644 --- a/drivers/scsi/NCR_Q720.h +++ b/drivers/scsi/NCR_Q720.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* -*- mode: c; c-basic-offset: 8 -*- */ /* NCR Quad 720 MCA SCSI Driver diff --git a/drivers/scsi/a2091.h b/drivers/scsi/a2091.h index 794b8e65c711..8d8a4074a570 100644 --- a/drivers/scsi/a2091.h +++ b/drivers/scsi/a2091.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef A2091_H #define A2091_H diff --git a/drivers/scsi/a3000.h b/drivers/scsi/a3000.h index 49db4a335aab..5cb3e7535281 100644 --- a/drivers/scsi/a3000.h +++ b/drivers/scsi/a3000.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef A3000_H #define A3000_H diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 97d269f16888..1bc623ad3faf 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -302,9 +302,11 @@ int aac_send_shutdown(struct aac_dev * dev) return -ENOMEM; aac_fib_init(fibctx); - mutex_lock(&dev->ioctl_mutex); - dev->adapter_shutdown = 1; - mutex_unlock(&dev->ioctl_mutex); + if (!dev->adapter_shutdown) { + mutex_lock(&dev->ioctl_mutex); + dev->adapter_shutdown = 1; + mutex_unlock(&dev->ioctl_mutex); + } cmd = (struct aac_close *) fib_data(fibctx); cmd->command = cpu_to_le32(VM_CloseAll); diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 62beb2596466..c9252b138c1f 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1551,8 +1551,9 @@ static void __aac_shutdown(struct aac_dev * aac) { int i; + mutex_lock(&aac->ioctl_mutex); aac->adapter_shutdown = 1; - aac_send_shutdown(aac); + mutex_unlock(&aac->ioctl_mutex); if (aac->aif_thread) { int i; @@ -1565,7 +1566,11 @@ static void __aac_shutdown(struct aac_dev * aac) } kthread_stop(aac->thread); } + + aac_send_shutdown(aac); + aac_adapter_disable_int(aac); + if (aac_is_src(aac)) { if (aac->max_msix > 1) { for (i = 0; i < aac->max_msix; i++) { diff --git a/drivers/scsi/aha152x.h b/drivers/scsi/aha152x.h index ac4bfa438bf2..efd01877d02b 100644 --- a/drivers/scsi/aha152x.h +++ b/drivers/scsi/aha152x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AHA152X_H #define _AHA152X_H diff --git a/drivers/scsi/aha1542.h b/drivers/scsi/aha1542.h index 0fe9bae1b3d1..f5b0d210fb3c 100644 --- a/drivers/scsi/aha1542.h +++ b/drivers/scsi/aha1542.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AHA1542_H_ #define _AHA1542_H_ diff --git a/drivers/scsi/aha1740.h b/drivers/scsi/aha1740.h index b0c5603461ca..dfdaa4d3ea4e 100644 --- a/drivers/scsi/aha1740.h +++ b/drivers/scsi/aha1740.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AHA1740_H /* $Id$ diff --git a/drivers/scsi/aic7xxx/Makefile b/drivers/scsi/aic7xxx/Makefile index b03ba0df7a83..c15be2590d1c 100644 --- a/drivers/scsi/aic7xxx/Makefile +++ b/drivers/scsi/aic7xxx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux aic7xxx SCSI driver. # diff --git a/drivers/scsi/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h index d47b527b25dd..31f2bb9d7146 100644 --- a/drivers/scsi/aic7xxx/aic79xx.h +++ b/drivers/scsi/aic7xxx/aic79xx.h @@ -1046,8 +1046,6 @@ typedef enum { typedef uint8_t ahd_mode_state; -typedef void ahd_callback_t (void *); - struct ahd_completion { uint16_t tag; @@ -1122,8 +1120,7 @@ struct ahd_softc { /* * Timer handles for timer driven callbacks. */ - ahd_timer_t reset_timer; - ahd_timer_t stat_timer; + struct timer_list stat_timer; /* * Statistics. diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c index 95d8f25cbcca..b560f396ee99 100644 --- a/drivers/scsi/aic7xxx/aic79xx_core.c +++ b/drivers/scsi/aic7xxx/aic79xx_core.c @@ -207,7 +207,7 @@ static void ahd_add_scb_to_free_list(struct ahd_softc *ahd, static u_int ahd_rem_wscb(struct ahd_softc *ahd, u_int scbid, u_int prev, u_int next, u_int tid); static void ahd_reset_current_bus(struct ahd_softc *ahd); -static ahd_callback_t ahd_stat_timer; +static void ahd_stat_timer(struct timer_list *t); #ifdef AHD_DUMP_SEQ static void ahd_dumpseq(struct ahd_softc *ahd); #endif @@ -6104,8 +6104,7 @@ ahd_alloc(void *platform_arg, char *name) ahd->bugs = AHD_BUGNONE; ahd->flags = AHD_SPCHK_ENB_A|AHD_RESET_BUS_A|AHD_TERM_ENB_A | AHD_EXTENDED_TRANS_A|AHD_STPWLEVEL_A; - ahd_timer_init(&ahd->reset_timer); - ahd_timer_init(&ahd->stat_timer); + timer_setup(&ahd->stat_timer, ahd_stat_timer, 0); ahd->int_coalescing_timer = AHD_INT_COALESCING_TIMER_DEFAULT; ahd->int_coalescing_maxcmds = AHD_INT_COALESCING_MAXCMDS_DEFAULT; ahd->int_coalescing_mincmds = AHD_INT_COALESCING_MINCMDS_DEFAULT; @@ -6235,8 +6234,7 @@ ahd_shutdown(void *arg) /* * Stop periodic timer callbacks. */ - ahd_timer_stop(&ahd->reset_timer); - ahd_timer_stop(&ahd->stat_timer); + del_timer_sync(&ahd->stat_timer); /* This will reset most registers to 0, but not all */ ahd_reset(ahd, /*reinit*/FALSE); @@ -7039,20 +7037,11 @@ static const char *termstat_strings[] = { }; /***************************** Timer Facilities *******************************/ -#define ahd_timer_init init_timer -#define ahd_timer_stop del_timer_sync -typedef void ahd_linux_callback_t (u_long); - static void -ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg) +ahd_timer_reset(struct timer_list *timer, int usec) { - struct ahd_softc *ahd; - - ahd = (struct ahd_softc *)arg; del_timer(timer); - timer->data = (u_long)arg; timer->expires = jiffies + (usec * HZ)/1000000; - timer->function = (ahd_linux_callback_t*)func; add_timer(timer); } @@ -7279,8 +7268,7 @@ ahd_init(struct ahd_softc *ahd) } init_done: ahd_restart(ahd); - ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US, - ahd_stat_timer, ahd); + ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US); return (0); } @@ -8878,9 +8866,9 @@ ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset) /**************************** Statistics Processing ***************************/ static void -ahd_stat_timer(void *arg) +ahd_stat_timer(struct timer_list *t) { - struct ahd_softc *ahd = arg; + struct ahd_softc *ahd = from_timer(ahd, t, stat_timer); u_long s; int enint_coal; @@ -8907,8 +8895,7 @@ ahd_stat_timer(void *arg) ahd->cmdcmplt_bucket = (ahd->cmdcmplt_bucket+1) & (AHD_STAT_BUCKETS-1); ahd->cmdcmplt_total -= ahd->cmdcmplt_counts[ahd->cmdcmplt_bucket]; ahd->cmdcmplt_counts[ahd->cmdcmplt_bucket] = 0; - ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US, - ahd_stat_timer, ahd); + ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US); ahd_unlock(ahd, &s); } diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h index 728193a42e6e..8a8b7ae7aed3 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.h +++ b/drivers/scsi/aic7xxx/aic79xx_osm.h @@ -203,9 +203,6 @@ int ahd_dmamap_unload(struct ahd_softc *, bus_dma_tag_t, bus_dmamap_t); */ #define ahd_dmamap_sync(ahd, dma_tag, dmamap, offset, len, op) -/************************** Timer DataStructures ******************************/ -typedef struct timer_list ahd_timer_t; - /********************************** Includes **********************************/ #ifdef CONFIG_AIC79XX_REG_PRETTY_PRINT #define AIC_DEBUG_REGISTERS 1 @@ -214,10 +211,6 @@ typedef struct timer_list ahd_timer_t; #endif #include "aic79xx.h" -/***************************** Timer Facilities *******************************/ -#define ahd_timer_init init_timer -#define ahd_timer_stop del_timer_sync - /***************************** SMP support ************************************/ #include <linux/spinlock.h> diff --git a/drivers/scsi/aic7xxx/aicasm/Makefile b/drivers/scsi/aic7xxx/aicasm/Makefile index 45e2d49c1fff..243adb0a38d1 100644 --- a/drivers/scsi/aic7xxx/aicasm/Makefile +++ b/drivers/scsi/aic7xxx/aicasm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 PROG= aicasm OUTDIR ?= ./ diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c index f2671a8fa7e3..7cbc7213b2b2 100644 --- a/drivers/scsi/aic94xx/aic94xx_hwi.c +++ b/drivers/scsi/aic94xx/aic94xx_hwi.c @@ -1178,8 +1178,7 @@ static void asd_start_scb_timers(struct list_head *list) struct asd_ascb *ascb; list_for_each_entry(ascb, list, list) { if (!ascb->uldd_timer) { - ascb->timer.data = (unsigned long) ascb; - ascb->timer.function = asd_ascb_timedout; + ascb->timer.function = (TIMER_FUNC_TYPE)asd_ascb_timedout; ascb->timer.expires = jiffies + AIC94XX_SCB_TIMEOUT; add_timer(&ascb->timer); } diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.h b/drivers/scsi/aic94xx/aic94xx_hwi.h index 8c1c28239e93..8f147e720cfd 100644 --- a/drivers/scsi/aic94xx/aic94xx_hwi.h +++ b/drivers/scsi/aic94xx/aic94xx_hwi.h @@ -291,8 +291,7 @@ static inline void asd_init_ascb(struct asd_ha_struct *asd_ha, INIT_LIST_HEAD(&ascb->list); ascb->scb = ascb->dma_scb.vaddr; ascb->ha = asd_ha; - ascb->timer.function = NULL; - init_timer(&ascb->timer); + timer_setup(&ascb->timer, NULL, 0); ascb->tc_index = -1; } @@ -392,7 +391,7 @@ void asd_control_led(struct asd_ha_struct *asd_ha, int phy_id, int op); void asd_turn_led(struct asd_ha_struct *asd_ha, int phy_id, int op); int asd_enable_phys(struct asd_ha_struct *asd_ha, const u8 phy_mask); -void asd_ascb_timedout(unsigned long data); +void asd_ascb_timedout(struct timer_list *t); int asd_chip_hardrst(struct asd_ha_struct *asd_ha); #endif diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c index fdac7c2fef37..22873ce8bbfa 100644 --- a/drivers/scsi/aic94xx/aic94xx_scb.c +++ b/drivers/scsi/aic94xx/aic94xx_scb.c @@ -866,12 +866,12 @@ void asd_build_initiate_link_adm_task(struct asd_ascb *ascb, int phy_id, * Upper layers can implement their own timeout function, say to free * resources they have with this SCB, and then call this one at the * end of their timeout function. To do this, one should initialize - * the ascb->timer.{function, data, expires} prior to calling the post + * the ascb->timer.{function, expires} prior to calling the post * function. The timer is started by the post function. */ -void asd_ascb_timedout(unsigned long data) +void asd_ascb_timedout(struct timer_list *t) { - struct asd_ascb *ascb = (void *) data; + struct asd_ascb *ascb = from_timer(ascb, t, timer); struct asd_seq_data *seq = &ascb->ha->seq; unsigned long flags; diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index d4c35df3d4ae..4637119c09d8 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -35,15 +35,14 @@ static int asd_enqueue_internal(struct asd_ascb *ascb, void (*tasklet_complete)(struct asd_ascb *, struct done_list_struct *), - void (*timed_out)(unsigned long)) + void (*timed_out)(struct timer_list *t)) { int res; ascb->tasklet_complete = tasklet_complete; ascb->uldd_timer = 1; - ascb->timer.data = (unsigned long) ascb; - ascb->timer.function = timed_out; + ascb->timer.function = (TIMER_FUNC_TYPE)timed_out; ascb->timer.expires = jiffies + AIC94XX_SCB_TIMEOUT; add_timer(&ascb->timer); @@ -87,9 +86,9 @@ static void asd_clear_nexus_tasklet_complete(struct asd_ascb *ascb, asd_ascb_free(ascb); } -static void asd_clear_nexus_timedout(unsigned long data) +static void asd_clear_nexus_timedout(struct timer_list *t) { - struct asd_ascb *ascb = (void *)data; + struct asd_ascb *ascb = from_timer(ascb, t, timer); struct tasklet_completion_status *tcs = ascb->uldd_task; ASD_DPRINTK("%s: here\n", __func__); @@ -261,9 +260,9 @@ static int asd_clear_nexus_index(struct sas_task *task) /* ---------- TMFs ---------- */ -static void asd_tmf_timedout(unsigned long data) +static void asd_tmf_timedout(struct timer_list *t) { - struct asd_ascb *ascb = (void *) data; + struct asd_ascb *ascb = from_timer(ascb, t, timer); struct tasklet_completion_status *tcs = ascb->uldd_task; ASD_DPRINTK("tmf timed out\n"); diff --git a/drivers/scsi/arm/Makefile b/drivers/scsi/arm/Makefile index 16c3e86a6b1b..b576d9276f71 100644 --- a/drivers/scsi/arm/Makefile +++ b/drivers/scsi/arm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for drivers/scsi/arm # diff --git a/drivers/scsi/atp870u.h b/drivers/scsi/atp870u.h index 9b839b1e895a..75c44399fc88 100644 --- a/drivers/scsi/atp870u.h +++ b/drivers/scsi/atp870u.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ATP870U_H #define _ATP870U_H diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index b4542e7e2ad5..d8bd6f2c9c83 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -5230,12 +5230,11 @@ static void beiscsi_eqd_update_work(struct work_struct *work) msecs_to_jiffies(BEISCSI_EQD_UPDATE_INTERVAL)); } -static void beiscsi_hw_tpe_check(unsigned long ptr) +static void beiscsi_hw_tpe_check(struct timer_list *t) { - struct beiscsi_hba *phba; + struct beiscsi_hba *phba = from_timer(phba, t, hw_check); u32 wait; - phba = (struct beiscsi_hba *)ptr; /* if not TPE, do nothing */ if (!beiscsi_detect_tpe(phba)) return; @@ -5248,11 +5247,10 @@ static void beiscsi_hw_tpe_check(unsigned long ptr) msecs_to_jiffies(wait)); } -static void beiscsi_hw_health_check(unsigned long ptr) +static void beiscsi_hw_health_check(struct timer_list *t) { - struct beiscsi_hba *phba; + struct beiscsi_hba *phba = from_timer(phba, t, hw_check); - phba = (struct beiscsi_hba *)ptr; beiscsi_detect_ue(phba); if (beiscsi_detect_ue(phba)) { __beiscsi_log(phba, KERN_ERR, @@ -5264,7 +5262,7 @@ static void beiscsi_hw_health_check(unsigned long ptr) if (!test_bit(BEISCSI_HBA_UER_SUPP, &phba->state)) return; /* modify this timer to check TPE */ - phba->hw_check.function = beiscsi_hw_tpe_check; + phba->hw_check.function = (TIMER_FUNC_TYPE)beiscsi_hw_tpe_check; } mod_timer(&phba->hw_check, @@ -5351,7 +5349,7 @@ static int beiscsi_enable_port(struct beiscsi_hba *phba) * Timer function gets modified for TPE detection. * Always reinit to do health check first. */ - phba->hw_check.function = beiscsi_hw_health_check; + phba->hw_check.function = (TIMER_FUNC_TYPE)beiscsi_hw_health_check; mod_timer(&phba->hw_check, jiffies + msecs_to_jiffies(BEISCSI_UE_DETECT_INTERVAL)); return 0; @@ -5708,9 +5706,7 @@ static int beiscsi_dev_probe(struct pci_dev *pcidev, * Start UE detection here. UE before this will cause stall in probe * and eventually fail the probe. */ - init_timer(&phba->hw_check); - phba->hw_check.function = beiscsi_hw_health_check; - phba->hw_check.data = (unsigned long)phba; + timer_setup(&phba->hw_check, beiscsi_hw_health_check, 0); mod_timer(&phba->hw_check, jiffies + msecs_to_jiffies(BEISCSI_UE_DETECT_INTERVAL)); beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT, diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile index 475cf925d5e8..442fc3db8f1f 100644 --- a/drivers/scsi/bfa/Makefile +++ b/drivers/scsi/bfa/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SCSI_BFA_FC) := bfa.o bfa-y := bfad.o bfad_im.o bfad_attr.o bfad_debugfs.o bfad_bsg.o diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 6844ba361616..e6b9de7d41ac 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -823,7 +823,7 @@ static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev) skb_queue_head_init(&port->fcoe_pending_queue); port->fcoe_pending_queue_active = 0; - setup_timer(&port->timer, fcoe_queue_timer, (unsigned long) lport); + timer_setup(&port->timer, fcoe_queue_timer, 0); fcoe_link_speed_update(lport); @@ -845,9 +845,9 @@ static int bnx2fc_net_config(struct fc_lport *lport, struct net_device *netdev) return 0; } -static void bnx2fc_destroy_timer(unsigned long data) +static void bnx2fc_destroy_timer(struct timer_list *t) { - struct bnx2fc_hba *hba = (struct bnx2fc_hba *)data; + struct bnx2fc_hba *hba = from_timer(hba, t, destroy_timer); printk(KERN_ERR PFX "ERROR:bnx2fc_destroy_timer - " "Destroy compl not received!!\n"); @@ -1946,11 +1946,10 @@ static void bnx2fc_fw_destroy(struct bnx2fc_hba *hba) { if (test_and_clear_bit(BNX2FC_FLAG_FW_INIT_DONE, &hba->flags)) { if (bnx2fc_send_fw_fcoe_destroy_msg(hba) == 0) { - init_timer(&hba->destroy_timer); + timer_setup(&hba->destroy_timer, bnx2fc_destroy_timer, + 0); hba->destroy_timer.expires = BNX2FC_FW_TIMEOUT + jiffies; - hba->destroy_timer.function = bnx2fc_destroy_timer; - hba->destroy_timer.data = (unsigned long)hba; add_timer(&hba->destroy_timer); wait_event_interruptible(hba->destroy_wait, test_bit(BNX2FC_FLAG_DESTROY_CMPL, diff --git a/drivers/scsi/bnx2i/bnx2i.h b/drivers/scsi/bnx2i/bnx2i.h index 89ef1a1678d1..663a63d4dae4 100644 --- a/drivers/scsi/bnx2i/bnx2i.h +++ b/drivers/scsi/bnx2i/bnx2i.h @@ -858,7 +858,7 @@ extern int bnx2i_alloc_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep); extern void bnx2i_free_qp_resc(struct bnx2i_hba *hba, struct bnx2i_endpoint *ep); -extern void bnx2i_ep_ofld_timer(unsigned long data); +extern void bnx2i_ep_ofld_timer(struct timer_list *t); extern struct bnx2i_endpoint *bnx2i_find_ep_in_ofld_list( struct bnx2i_hba *hba, u32 iscsi_cid); extern struct bnx2i_endpoint *bnx2i_find_ep_in_destroy_list( diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 42921dbba927..61a93994d5ed 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -698,9 +698,9 @@ void bnx2i_update_iscsi_conn(struct iscsi_conn *conn) * * routine to handle connection offload/destroy request timeout */ -void bnx2i_ep_ofld_timer(unsigned long data) +void bnx2i_ep_ofld_timer(struct timer_list *t) { - struct bnx2i_endpoint *ep = (struct bnx2i_endpoint *) data; + struct bnx2i_endpoint *ep = from_timer(ep, t, ofld_timer); if (ep->state == EP_STATE_OFLD_START) { printk(KERN_ALERT "ofld_timer: CONN_OFLD timeout\n"); diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index 03c104b47f31..de0a507577ef 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -1611,9 +1611,8 @@ static int bnx2i_conn_start(struct iscsi_cls_conn *cls_conn) * this should normally not sleep for a long time so it should * not disrupt the caller. */ + timer_setup(&bnx2i_conn->ep->ofld_timer, bnx2i_ep_ofld_timer, 0); bnx2i_conn->ep->ofld_timer.expires = 1 * HZ + jiffies; - bnx2i_conn->ep->ofld_timer.function = bnx2i_ep_ofld_timer; - bnx2i_conn->ep->ofld_timer.data = (unsigned long) bnx2i_conn->ep; add_timer(&bnx2i_conn->ep->ofld_timer); /* update iSCSI context for this conn, wait for CNIC to complete */ wait_event_interruptible(bnx2i_conn->ep->ofld_wait, @@ -1729,10 +1728,8 @@ static int bnx2i_tear_down_conn(struct bnx2i_hba *hba, } ep->state = EP_STATE_CLEANUP_START; - init_timer(&ep->ofld_timer); + timer_setup(&ep->ofld_timer, bnx2i_ep_ofld_timer, 0); ep->ofld_timer.expires = hba->conn_ctx_destroy_tmo + jiffies; - ep->ofld_timer.function = bnx2i_ep_ofld_timer; - ep->ofld_timer.data = (unsigned long) ep; add_timer(&ep->ofld_timer); bnx2i_ep_destroy_list_add(hba, ep); @@ -1835,10 +1832,8 @@ static struct iscsi_endpoint *bnx2i_ep_connect(struct Scsi_Host *shost, bnx2i_ep->state = EP_STATE_OFLD_START; bnx2i_ep_ofld_list_add(hba, bnx2i_ep); - init_timer(&bnx2i_ep->ofld_timer); + timer_setup(&bnx2i_ep->ofld_timer, bnx2i_ep_ofld_timer, 0); bnx2i_ep->ofld_timer.expires = 2 * HZ + jiffies; - bnx2i_ep->ofld_timer.function = bnx2i_ep_ofld_timer; - bnx2i_ep->ofld_timer.data = (unsigned long) bnx2i_ep; add_timer(&bnx2i_ep->ofld_timer); if (bnx2i_send_conn_ofld_req(hba, bnx2i_ep)) { @@ -2054,10 +2049,8 @@ int bnx2i_hw_ep_disconnect(struct bnx2i_endpoint *bnx2i_ep) session = conn->session; } - init_timer(&bnx2i_ep->ofld_timer); + timer_setup(&bnx2i_ep->ofld_timer, bnx2i_ep_ofld_timer, 0); bnx2i_ep->ofld_timer.expires = hba->conn_teardown_tmo + jiffies; - bnx2i_ep->ofld_timer.function = bnx2i_ep_ofld_timer; - bnx2i_ep->ofld_timer.data = (unsigned long) bnx2i_ep; add_timer(&bnx2i_ep->ofld_timer); if (!test_bit(BNX2I_CNIC_REGISTERED, &hba->reg_with_cnic)) diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index 6dc96c8dfe75..d4c2a2e4c5d4 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ASCII values for a number of symbolic constants, printing functions, * etc. diff --git a/drivers/scsi/csiostor/Makefile b/drivers/scsi/csiostor/Makefile index 3681a3fbd499..d047e22eac0d 100644 --- a/drivers/scsi/csiostor/Makefile +++ b/drivers/scsi/csiostor/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # ## Chelsio FCoE driver # diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 5be0086142ca..0bd1131b6cc9 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -3347,9 +3347,10 @@ csio_mberr_worker(void *data) * **/ static void -csio_hw_mb_timer(uintptr_t data) +csio_hw_mb_timer(struct timer_list *t) { - struct csio_hw *hw = (struct csio_hw *)data; + struct csio_mbm *mbm = from_timer(mbm, t, timer); + struct csio_hw *hw = mbm->hw; struct csio_mb *mbp = NULL; spin_lock_irq(&hw->lock); @@ -3715,9 +3716,9 @@ csio_mgmt_req_lookup(struct csio_mgmtm *mgmtm, struct csio_ioreq *io_req) * Return - none. */ static void -csio_mgmt_tmo_handler(uintptr_t data) +csio_mgmt_tmo_handler(struct timer_list *t) { - struct csio_mgmtm *mgmtm = (struct csio_mgmtm *) data; + struct csio_mgmtm *mgmtm = from_timer(mgmtm, t, mgmt_timer); struct list_head *tmp; struct csio_ioreq *io_req; @@ -3797,11 +3798,7 @@ csio_mgmtm_cleanup(struct csio_mgmtm *mgmtm) static int csio_mgmtm_init(struct csio_mgmtm *mgmtm, struct csio_hw *hw) { - struct timer_list *timer = &mgmtm->mgmt_timer; - - init_timer(timer); - timer->function = csio_mgmt_tmo_handler; - timer->data = (unsigned long)mgmtm; + timer_setup(&mgmtm->mgmt_timer, csio_mgmt_tmo_handler, 0); INIT_LIST_HEAD(&mgmtm->active_q); INIT_LIST_HEAD(&mgmtm->cbfn_q); diff --git a/drivers/scsi/csiostor/csio_mb.c b/drivers/scsi/csiostor/csio_mb.c index 9451787ca7f2..abcedfbcecda 100644 --- a/drivers/scsi/csiostor/csio_mb.c +++ b/drivers/scsi/csiostor/csio_mb.c @@ -1644,13 +1644,10 @@ csio_mb_cancel_all(struct csio_hw *hw, struct list_head *cbfn_q) */ int csio_mbm_init(struct csio_mbm *mbm, struct csio_hw *hw, - void (*timer_fn)(uintptr_t)) + void (*timer_fn)(struct timer_list *)) { - struct timer_list *timer = &mbm->timer; - - init_timer(timer); - timer->function = timer_fn; - timer->data = (unsigned long)hw; + mbm->hw = hw; + timer_setup(&mbm->timer, timer_fn, 0); INIT_LIST_HEAD(&mbm->req_q); INIT_LIST_HEAD(&mbm->cbfn_q); diff --git a/drivers/scsi/csiostor/csio_mb.h b/drivers/scsi/csiostor/csio_mb.h index 1bc82d0bc260..a6823df73015 100644 --- a/drivers/scsi/csiostor/csio_mb.h +++ b/drivers/scsi/csiostor/csio_mb.h @@ -137,6 +137,7 @@ struct csio_mbm { uint32_t a_mbox; /* Async mbox num */ uint32_t intr_idx; /* Interrupt index */ struct timer_list timer; /* Mbox timer */ + struct csio_hw *hw; /* Hardware pointer */ struct list_head req_q; /* Mbox request queue */ struct list_head cbfn_q; /* Mbox completion q */ struct csio_mb *mcurrent; /* Current mailbox */ @@ -252,7 +253,7 @@ void csio_mb_process_portparams_rsp(struct csio_hw *hw, struct csio_mb *mbp, /* MB module functions */ int csio_mbm_init(struct csio_mbm *, struct csio_hw *, - void (*)(uintptr_t)); + void (*)(struct timer_list *)); void csio_mbm_exit(struct csio_mbm *); void csio_mb_intr_enable(struct csio_hw *); void csio_mb_intr_disable(struct csio_hw *); diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index 7b09e7ddf35e..babd79361a46 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -545,10 +545,10 @@ static int act_open_rpl_status_to_errno(int status) } } -static void act_open_retry_timer(unsigned long data) +static void act_open_retry_timer(struct timer_list *t) { + struct cxgbi_sock *csk = from_timer(csk, t, retry_timer); struct sk_buff *skb; - struct cxgbi_sock *csk = (struct cxgbi_sock *)data; log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p,%u,0x%lx,%u.\n", @@ -586,8 +586,8 @@ static int do_act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); if (rpl->status == CPL_ERR_CONN_EXIST && - csk->retry_timer.function != act_open_retry_timer) { - csk->retry_timer.function = act_open_retry_timer; + csk->retry_timer.function != (TIMER_FUNC_TYPE)act_open_retry_timer) { + csk->retry_timer.function = (TIMER_FUNC_TYPE)act_open_retry_timer; mod_timer(&csk->retry_timer, jiffies + HZ / 2); } else cxgbi_sock_fail_act_open(csk, diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 1d02cf9fe06c..1bef2724eb78 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -872,10 +872,10 @@ static int act_open_rpl_status_to_errno(int status) } } -static void csk_act_open_retry_timer(unsigned long data) +static void csk_act_open_retry_timer(struct timer_list *t) { struct sk_buff *skb = NULL; - struct cxgbi_sock *csk = (struct cxgbi_sock *)data; + struct cxgbi_sock *csk = from_timer(csk, t, retry_timer); struct cxgb4_lld_info *lldi = cxgbi_cdev_priv(csk->cdev); void (*send_act_open_func)(struct cxgbi_sock *, struct sk_buff *, struct l2t_entry *); @@ -963,8 +963,8 @@ static void do_act_open_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) spin_lock_bh(&csk->lock); if (status == CPL_ERR_CONN_EXIST && - csk->retry_timer.function != csk_act_open_retry_timer) { - csk->retry_timer.function = csk_act_open_retry_timer; + csk->retry_timer.function != (TIMER_FUNC_TYPE)csk_act_open_retry_timer) { + csk->retry_timer.function = (TIMER_FUNC_TYPE)csk_act_open_retry_timer; mod_timer(&csk->retry_timer, jiffies + HZ / 2); } else cxgbi_sock_fail_act_open(csk, diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 512c8f1ea5b0..a61a152136a3 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -572,7 +572,7 @@ static struct cxgbi_sock *cxgbi_sock_create(struct cxgbi_device *cdev) kref_init(&csk->refcnt); skb_queue_head_init(&csk->receive_queue); skb_queue_head_init(&csk->write_queue); - setup_timer(&csk->retry_timer, NULL, (unsigned long)csk); + timer_setup(&csk->retry_timer, NULL, 0); rwlock_init(&csk->callback_lock); csk->cdev = cdev; csk->flags = 0; diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index 5ee7f44cf869..60ef8df42b95 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -395,7 +395,7 @@ static void request_sense(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb, struct ScsiReqBlk *srb); static void set_xfer_rate(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb); -static void waiting_timeout(unsigned long ptr); +static void waiting_timeout(struct timer_list *t); /*--------------------------------------------------------------------------- @@ -857,9 +857,6 @@ static void waiting_set_timer(struct AdapterCtlBlk *acb, unsigned long to) { if (timer_pending(&acb->waiting_timer)) return; - init_timer(&acb->waiting_timer); - acb->waiting_timer.function = waiting_timeout; - acb->waiting_timer.data = (unsigned long) acb; if (time_before(jiffies + to, acb->last_reset - HZ / 2)) acb->waiting_timer.expires = acb->last_reset - HZ / 2 + 1; @@ -936,10 +933,10 @@ static void waiting_process_next(struct AdapterCtlBlk *acb) /* Wake up waiting queue */ -static void waiting_timeout(unsigned long ptr) +static void waiting_timeout(struct timer_list *t) { unsigned long flags; - struct AdapterCtlBlk *acb = (struct AdapterCtlBlk *)ptr; + struct AdapterCtlBlk *acb = from_timer(acb, t, waiting_timer); dprintkdbg(DBG_1, "waiting_timeout: Queue woken up by timer. acb=%p\n", acb); DC395x_LOCK_IO(acb->scsi_host, flags); @@ -4366,8 +4363,8 @@ static void adapter_init_params(struct AdapterCtlBlk *acb) INIT_LIST_HEAD(&acb->srb_free_list); /* temp SRB for Q tag used or abort command used */ acb->tmp_srb = &acb->srb; - init_timer(&acb->waiting_timer); - init_timer(&acb->selto_timer); + timer_setup(&acb->waiting_timer, waiting_timeout, 0); + timer_setup(&acb->selto_timer, NULL, 0); acb->srb_count = DC395x_MAX_SRB_CNT; diff --git a/drivers/scsi/dc395x.h b/drivers/scsi/dc395x.h index fbf35e37701e..5379a936141a 100644 --- a/drivers/scsi/dc395x.h +++ b/drivers/scsi/dc395x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /************************************************************************/ /* */ /* dc395x.h */ diff --git a/drivers/scsi/eata_generic.h b/drivers/scsi/eata_generic.h index 5016af5cf860..1a396c5e7f73 100644 --- a/drivers/scsi/eata_generic.h +++ b/drivers/scsi/eata_generic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /******************************************************** * Header file for eata_dma.c and eata_pio.c * * Linux EATA SCSI drivers * diff --git a/drivers/scsi/eata_pio.h b/drivers/scsi/eata_pio.h index 7deeb935748b..5b5e3d13670b 100644 --- a/drivers/scsi/eata_pio.h +++ b/drivers/scsi/eata_pio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /******************************************************** * Header file for eata_pio.c Linux EATA-PIO SCSI driver * * (c) 1993-96 Michael Neuffer * diff --git a/drivers/scsi/esp_scsi.h b/drivers/scsi/esp_scsi.h index 7e8932ae91f8..8163dca2071b 100644 --- a/drivers/scsi/esp_scsi.h +++ b/drivers/scsi/esp_scsi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* esp_scsi.h: Defines and structures for the ESP driver. * * Copyright (C) 2007 David S. Miller (davem@davemloft.net) diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 85f9a3eba387..5cc09dce4d25 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -754,7 +754,7 @@ static int fcoe_netdev_config(struct fc_lport *lport, struct net_device *netdev) skb_queue_head_init(&port->fcoe_pending_queue); port->fcoe_pending_queue_active = 0; - setup_timer(&port->timer, fcoe_queue_timer, (unsigned long)lport); + timer_setup(&port->timer, fcoe_queue_timer, 0); fcoe_link_speed_update(lport); diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index 375c536cbc68..1ba5f51713a3 100644 --- a/drivers/scsi/fcoe/fcoe_transport.c +++ b/drivers/scsi/fcoe/fcoe_transport.c @@ -455,9 +455,11 @@ EXPORT_SYMBOL_GPL(fcoe_check_wait_queue); * * Calls fcoe_check_wait_queue on timeout */ -void fcoe_queue_timer(ulong lport) +void fcoe_queue_timer(struct timer_list *t) { - fcoe_check_wait_queue((struct fc_lport *)lport, NULL); + struct fcoe_port *port = from_timer(port, t, timer); + + fcoe_check_wait_queue(port->lport, NULL); } EXPORT_SYMBOL_GPL(fcoe_queue_timer); diff --git a/drivers/scsi/fcoe/libfcoe.h b/drivers/scsi/fcoe/libfcoe.h index d3bb16d11401..b8bdfab51a58 100644 --- a/drivers/scsi/fcoe/libfcoe.h +++ b/drivers/scsi/fcoe/libfcoe.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FCOE_LIBFCOE_H_ #define _FCOE_LIBFCOE_H_ diff --git a/drivers/scsi/fnic/Makefile b/drivers/scsi/fnic/Makefile index 383598fadf04..6214a6b2e96d 100644 --- a/drivers/scsi/fnic/Makefile +++ b/drivers/scsi/fnic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FCOE_FNIC) += fnic.o fnic-y := \ diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index a4473356a9dc..c35f05c4c6bb 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -3705,7 +3705,7 @@ static void gdth_log_event(gdth_evt_data *dvr, char *buffer) #ifdef GDTH_STATISTICS static u8 gdth_timer_running; -static void gdth_timeout(unsigned long data) +static void gdth_timeout(struct timer_list *unused) { u32 i; Scsi_Cmnd *nscp; @@ -3743,8 +3743,6 @@ static void gdth_timer_init(void) gdth_timer_running = 1; TRACE2(("gdth_detect(): Initializing timer !\n")); gdth_timer.expires = jiffies + HZ; - gdth_timer.data = 0L; - gdth_timer.function = gdth_timeout; add_timer(&gdth_timer); } #else @@ -5165,7 +5163,7 @@ static int __init gdth_init(void) /* initializations */ gdth_polling = TRUE; gdth_clear_events(); - init_timer(&gdth_timer); + timer_setup(&gdth_timer, gdth_timeout, 0); /* As default we do not probe for EISA or ISA controllers */ if (probe_eisa_isa) { diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h index 3fd8b83ffbf9..95fc720c1b30 100644 --- a/drivers/scsi/gdth.h +++ b/drivers/scsi/gdth.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _GDTH_H #define _GDTH_H diff --git a/drivers/scsi/gdth_ioctl.h b/drivers/scsi/gdth_ioctl.h index b004c6165887..4c91894ac244 100644 --- a/drivers/scsi/gdth_ioctl.h +++ b/drivers/scsi/gdth_ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _GDTH_IOCTL_H #define _GDTH_IOCTL_H diff --git a/drivers/scsi/gdth_proc.c b/drivers/scsi/gdth_proc.c index d08b2716752c..20add49cdd32 100644 --- a/drivers/scsi/gdth_proc.c +++ b/drivers/scsi/gdth_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* gdth_proc.c * $Id: gdth_proc.c,v 1.43 2006/01/11 16:15:00 achim Exp $ */ diff --git a/drivers/scsi/gdth_proc.h b/drivers/scsi/gdth_proc.h index aaa618198972..d7d0aa283695 100644 --- a/drivers/scsi/gdth_proc.h +++ b/drivers/scsi/gdth_proc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _GDTH_PROC_H #define _GDTH_PROC_H diff --git a/drivers/scsi/gvp11.h b/drivers/scsi/gvp11.h index 852913cde5dd..61c1a3584461 100644 --- a/drivers/scsi/gvp11.h +++ b/drivers/scsi/gvp11.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef GVP11_H /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $ diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 07f4a4cfbec1..15692ea05ced 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -103,7 +103,6 @@ struct hisi_sas_phy { struct hisi_sas_port *port; struct asd_sas_phy sas_phy; struct sas_identify identify; - struct timer_list timer; struct work_struct phyup_ws; u64 port_id; /* from hw */ u64 dev_sas_addr; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 16664f2e15fb..37c838be4757 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -627,7 +627,6 @@ static void hisi_sas_phy_init(struct hisi_hba *hisi_hba, int phy_no) phy->hisi_hba = hisi_hba; phy->port = NULL; - init_timer(&phy->timer); sas_phy->enabled = (phy_no < hisi_hba->n_phy) ? 1 : 0; sas_phy->class = SAS; sas_phy->iproto = SAS_PROTOCOL_ALL; @@ -792,9 +791,10 @@ static void hisi_sas_task_done(struct sas_task *task) complete(&task->slow_task->completion); } -static void hisi_sas_tmf_timedout(unsigned long data) +static void hisi_sas_tmf_timedout(struct timer_list *t) { - struct sas_task *task = (struct sas_task *)data; + struct sas_task_slow *slow = from_timer(slow, t, timer); + struct sas_task *task = slow->task; unsigned long flags; spin_lock_irqsave(&task->task_state_lock, flags); @@ -833,8 +833,7 @@ static int hisi_sas_exec_internal_tmf_task(struct domain_device *device, } task->task_done = hisi_sas_task_done; - task->slow_task->timer.data = (unsigned long) task; - task->slow_task->timer.function = hisi_sas_tmf_timedout; + task->slow_task->timer.function = (TIMER_FUNC_TYPE)hisi_sas_tmf_timedout; task->slow_task->timer.expires = jiffies + TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); @@ -1447,8 +1446,7 @@ hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba, task->dev = device; task->task_proto = device->tproto; task->task_done = hisi_sas_task_done; - task->slow_task->timer.data = (unsigned long)task; - task->slow_task->timer.function = hisi_sas_tmf_timedout; + task->slow_task->timer.function = (TIMER_FUNC_TYPE)hisi_sas_tmf_timedout; task->slow_task->timer.expires = jiffies + msecs_to_jiffies(110); add_timer(&task->slow_task->timer); @@ -1877,7 +1875,7 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, hisi_hba->shost = shost; SHOST_TO_SAS_HA(shost) = &hisi_hba->sha; - init_timer(&hisi_hba->timer); + timer_setup(&hisi_hba->timer, NULL, 0); if (hisi_sas_get_fw_info(hisi_hba) < 0) goto err_out; diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 08eca20b0b81..9385554e43a6 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -807,9 +807,9 @@ static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no) start_phy_v1_hw(hisi_hba, phy_no); } -static void start_phys_v1_hw(unsigned long data) +static void start_phys_v1_hw(struct timer_list *t) { - struct hisi_hba *hisi_hba = (struct hisi_hba *)data; + struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer); int i; for (i = 0; i < hisi_hba->n_phy; i++) { @@ -828,7 +828,7 @@ static void phys_init_v1_hw(struct hisi_hba *hisi_hba) hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK); } - setup_timer(timer, start_phys_v1_hw, (unsigned long)hisi_hba); + timer_setup(timer, start_phys_v1_hw, 0); mod_timer(timer, jiffies + HZ); } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 779af979b6db..b1f097dabd01 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -728,7 +728,7 @@ enum { #define ERR_ON_RX_PHASE(err_phase) (err_phase == 0x10 || \ err_phase == 0x20 || err_phase == 0x40) -static void link_timeout_disable_link(unsigned long data); +static void link_timeout_disable_link(struct timer_list *t); static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off) { @@ -1270,9 +1270,9 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba) upper_32_bits(hisi_hba->initial_fis_dma)); } -static void link_timeout_enable_link(unsigned long data) +static void link_timeout_enable_link(struct timer_list *t) { - struct hisi_hba *hisi_hba = (struct hisi_hba *)data; + struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer); int i, reg_val; for (i = 0; i < hisi_hba->n_phy; i++) { @@ -1287,13 +1287,13 @@ static void link_timeout_enable_link(unsigned long data) } } - hisi_hba->timer.function = link_timeout_disable_link; + hisi_hba->timer.function = (TIMER_FUNC_TYPE)link_timeout_disable_link; mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(900)); } -static void link_timeout_disable_link(unsigned long data) +static void link_timeout_disable_link(struct timer_list *t) { - struct hisi_hba *hisi_hba = (struct hisi_hba *)data; + struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer); int i, reg_val; reg_val = hisi_sas_read32(hisi_hba, PHY_STATE); @@ -1308,14 +1308,13 @@ static void link_timeout_disable_link(unsigned long data) } } - hisi_hba->timer.function = link_timeout_enable_link; + hisi_hba->timer.function = (TIMER_FUNC_TYPE)link_timeout_enable_link; mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(100)); } static void set_link_timer_quirk(struct hisi_hba *hisi_hba) { - hisi_hba->timer.data = (unsigned long)hisi_hba; - hisi_hba->timer.function = link_timeout_disable_link; + hisi_hba->timer.function = (TIMER_FUNC_TYPE)link_timeout_disable_link; hisi_hba->timer.expires = jiffies + msecs_to_jiffies(1000); add_timer(&hisi_hba->timer); } @@ -2574,9 +2573,9 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, return 0; } -static void hisi_sas_internal_abort_quirk_timeout(unsigned long data) +static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t) { - struct hisi_sas_slot *slot = (struct hisi_sas_slot *)data; + struct hisi_sas_slot *slot = from_timer(slot, t, internal_abort_timer); struct hisi_sas_port *port = slot->port; struct asd_sas_port *asd_sas_port; struct asd_sas_phy *sas_phy; @@ -2619,8 +2618,7 @@ static int prep_abort_v2_hw(struct hisi_hba *hisi_hba, struct timer_list *timer = &slot->internal_abort_timer; /* setup the quirk timer */ - setup_timer(timer, hisi_sas_internal_abort_quirk_timeout, - (unsigned long)slot); + timer_setup(timer, hisi_sas_internal_abort_quirk_timeout, 0); /* Set the timeout to 10ms less than internal abort timeout */ mod_timer(timer, jiffies + msecs_to_jiffies(100)); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 2e5fa9717be8..3f2f0baf2a5e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1823,7 +1823,7 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev) hisi_hba->shost = shost; SHOST_TO_SAS_HA(shost) = &hisi_hba->sha; - init_timer(&hisi_hba->timer); + timer_setup(&hisi_hba->timer, NULL, 0); if (hisi_sas_get_fw_info(hisi_hba) < 0) goto err_out; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 9abe81021484..4ed3d26ffdde 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4091,7 +4091,7 @@ static int hpsa_set_local_logical_count(struct ctlr_info *h, memset(id_ctlr, 0, sizeof(*id_ctlr)); rc = hpsa_bmic_id_controller(h, id_ctlr, sizeof(*id_ctlr)); if (!rc) - if (id_ctlr->configured_logical_drive_count < 256) + if (id_ctlr->configured_logical_drive_count < 255) *nlocals = id_ctlr->configured_logical_drive_count; else *nlocals = le16_to_cpu( diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index b491af31a5f8..0d2f7eb3acb6 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -1393,8 +1393,9 @@ static int ibmvfc_map_sg_data(struct scsi_cmnd *scmd, * * Called when an internally generated command times out **/ -static void ibmvfc_timeout(struct ibmvfc_event *evt) +static void ibmvfc_timeout(struct timer_list *t) { + struct ibmvfc_event *evt = from_timer(evt, t, timer); struct ibmvfc_host *vhost = evt->vhost; dev_err(vhost->dev, "Command timed out (%p). Resetting connection\n", evt); ibmvfc_reset_host(vhost); @@ -1424,12 +1425,10 @@ static int ibmvfc_send_event(struct ibmvfc_event *evt, BUG(); list_add_tail(&evt->queue, &vhost->sent); - init_timer(&evt->timer); + timer_setup(&evt->timer, ibmvfc_timeout, 0); if (timeout) { - evt->timer.data = (unsigned long) evt; evt->timer.expires = jiffies + (timeout * HZ); - evt->timer.function = (void (*)(unsigned long))ibmvfc_timeout; add_timer(&evt->timer); } @@ -3692,8 +3691,9 @@ static void ibmvfc_tgt_adisc_cancel_done(struct ibmvfc_event *evt) * out, reset the CRQ. When the ADISC comes back as cancelled, * log back into the target. **/ -static void ibmvfc_adisc_timeout(struct ibmvfc_target *tgt) +static void ibmvfc_adisc_timeout(struct timer_list *t) { + struct ibmvfc_target *tgt = from_timer(tgt, t, timer); struct ibmvfc_host *vhost = tgt->vhost; struct ibmvfc_event *evt; struct ibmvfc_tmf *tmf; @@ -3778,9 +3778,7 @@ static void ibmvfc_tgt_adisc(struct ibmvfc_target *tgt) if (timer_pending(&tgt->timer)) mod_timer(&tgt->timer, jiffies + (IBMVFC_ADISC_TIMEOUT * HZ)); else { - tgt->timer.data = (unsigned long) tgt; tgt->timer.expires = jiffies + (IBMVFC_ADISC_TIMEOUT * HZ); - tgt->timer.function = (void (*)(unsigned long))ibmvfc_adisc_timeout; add_timer(&tgt->timer); } @@ -3912,7 +3910,7 @@ static int ibmvfc_alloc_target(struct ibmvfc_host *vhost, u64 scsi_id) tgt->vhost = vhost; tgt->need_login = 1; tgt->cancel_key = vhost->task_set++; - init_timer(&tgt->timer); + timer_setup(&tgt->timer, ibmvfc_adisc_timeout, 0); kref_init(&tgt->kref); ibmvfc_init_tgt(tgt, ibmvfc_tgt_implicit_logout); spin_lock_irqsave(vhost->host->host_lock, flags); diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 7d156b161482..17df76f0be3c 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -837,8 +837,9 @@ static void ibmvscsi_reset_host(struct ibmvscsi_host_data *hostdata) * * Called when an internally generated command times out */ -static void ibmvscsi_timeout(struct srp_event_struct *evt_struct) +static void ibmvscsi_timeout(struct timer_list *t) { + struct srp_event_struct *evt_struct = from_timer(evt_struct, t, timer); struct ibmvscsi_host_data *hostdata = evt_struct->hostdata; dev_err(hostdata->dev, "Command timed out (%x). Resetting connection\n", @@ -927,11 +928,9 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct, */ list_add_tail(&evt_struct->list, &hostdata->sent); - init_timer(&evt_struct->timer); + timer_setup(&evt_struct->timer, ibmvscsi_timeout, 0); if (timeout) { - evt_struct->timer.data = (unsigned long) evt_struct; evt_struct->timer.expires = jiffies + (timeout * HZ); - evt_struct->timer.function = (void (*)(unsigned long))ibmvscsi_timeout; add_timer(&evt_struct->timer); } diff --git a/drivers/scsi/ibmvscsi_tgt/libsrp.h b/drivers/scsi/ibmvscsi_tgt/libsrp.h index 9fec55b36322..832606ae2908 100644 --- a/drivers/scsi/ibmvscsi_tgt/libsrp.h +++ b/drivers/scsi/ibmvscsi_tgt/libsrp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LIBSRP_H__ #define __LIBSRP_H__ diff --git a/drivers/scsi/imm.h b/drivers/scsi/imm.h index 8f6f32fc61ff..7f2bb35b1b87 100644 --- a/drivers/scsi/imm.h +++ b/drivers/scsi/imm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Driver for the Iomega MatchMaker parallel port SCSI HBA embedded in * the Iomega ZIP Plus drive diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index f838bd73befa..d53429371127 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -694,7 +694,7 @@ static void ipr_init_ipr_cmnd(struct ipr_cmnd *ipr_cmd, ipr_cmd->sibling = NULL; ipr_cmd->eh_comp = NULL; ipr_cmd->fast_done = fast_done; - init_timer(&ipr_cmd->timer); + timer_setup(&ipr_cmd->timer, NULL, 0); } /** @@ -990,15 +990,14 @@ static void ipr_send_command(struct ipr_cmnd *ipr_cmd) **/ static void ipr_do_req(struct ipr_cmnd *ipr_cmd, void (*done) (struct ipr_cmnd *), - void (*timeout_func) (struct ipr_cmnd *), u32 timeout) + void (*timeout_func) (struct timer_list *), u32 timeout) { list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); ipr_cmd->done = done; - ipr_cmd->timer.data = (unsigned long) ipr_cmd; ipr_cmd->timer.expires = jiffies + timeout; - ipr_cmd->timer.function = (void (*)(unsigned long))timeout_func; + ipr_cmd->timer.function = (TIMER_FUNC_TYPE)timeout_func; add_timer(&ipr_cmd->timer); @@ -1080,7 +1079,7 @@ static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr, * none **/ static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, - void (*timeout_func) (struct ipr_cmnd *ipr_cmd), + void (*timeout_func) (struct timer_list *), u32 timeout) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; @@ -2664,8 +2663,9 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd) * Return value: * none **/ -static void ipr_timeout(struct ipr_cmnd *ipr_cmd) +static void ipr_timeout(struct timer_list *t) { + struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); unsigned long lock_flags = 0; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; @@ -2696,8 +2696,9 @@ static void ipr_timeout(struct ipr_cmnd *ipr_cmd) * Return value: * none **/ -static void ipr_oper_timeout(struct ipr_cmnd *ipr_cmd) +static void ipr_oper_timeout(struct timer_list *t) { + struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); unsigned long lock_flags = 0; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; @@ -5449,8 +5450,9 @@ static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd) * Return value: * none **/ -static void ipr_abort_timeout(struct ipr_cmnd *ipr_cmd) +static void ipr_abort_timeout(struct timer_list *t) { + struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); struct ipr_cmnd *reset_cmd; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct ipr_cmd_pkt *cmd_pkt; @@ -8271,8 +8273,9 @@ static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd) * Return value: * none **/ -static void ipr_reset_timer_done(struct ipr_cmnd *ipr_cmd) +static void ipr_reset_timer_done(struct timer_list *t) { + struct ipr_cmnd *ipr_cmd = from_timer(ipr_cmd, t, timer); struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; unsigned long lock_flags = 0; @@ -8308,9 +8311,8 @@ static void ipr_reset_start_timer(struct ipr_cmnd *ipr_cmd, list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); ipr_cmd->done = ipr_reset_ioa_job; - ipr_cmd->timer.data = (unsigned long) ipr_cmd; ipr_cmd->timer.expires = jiffies + timeout; - ipr_cmd->timer.function = (void (*)(unsigned long))ipr_reset_timer_done; + ipr_cmd->timer.function = (TIMER_FUNC_TYPE)ipr_reset_timer_done; add_timer(&ipr_cmd->timer); } @@ -8394,9 +8396,8 @@ static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) } } - ipr_cmd->timer.data = (unsigned long) ipr_cmd; ipr_cmd->timer.expires = jiffies + stage_time * HZ; - ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; + ipr_cmd->timer.function = (TIMER_FUNC_TYPE)ipr_oper_timeout; ipr_cmd->done = ipr_reset_ioa_job; add_timer(&ipr_cmd->timer); @@ -8466,9 +8467,8 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) return IPR_RC_JOB_CONTINUE; } - ipr_cmd->timer.data = (unsigned long) ipr_cmd; ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ); - ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout; + ipr_cmd->timer.function = (TIMER_FUNC_TYPE)ipr_oper_timeout; ipr_cmd->done = ipr_reset_ioa_job; add_timer(&ipr_cmd->timer); list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_pending_q); diff --git a/drivers/scsi/isci/Makefile b/drivers/scsi/isci/Makefile index 3359e10e0d8f..da6f04cae272 100644 --- a/drivers/scsi/isci/Makefile +++ b/drivers/scsi/isci/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SCSI_ISCI) += isci.o isci-objs := init.o phy.o request.o \ remote_device.o port.o \ diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 609dafd661d1..13b37cdffa8e 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -958,9 +958,9 @@ static enum sci_status sci_controller_start_next_phy(struct isci_host *ihost) return status; } -static void phy_startup_timeout(unsigned long data) +static void phy_startup_timeout(struct timer_list *t) { - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct isci_host *ihost = container_of(tmr, typeof(*ihost), phy_timer); unsigned long flags; enum sci_status status; @@ -1592,9 +1592,9 @@ static const struct sci_base_state sci_controller_state_table[] = { [SCIC_FAILED] = {} }; -static void controller_timeout(unsigned long data) +static void controller_timeout(struct timer_list *t) { - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct isci_host *ihost = container_of(tmr, typeof(*ihost), timer); struct sci_base_state_machine *sm = &ihost->sm; unsigned long flags; @@ -1737,9 +1737,9 @@ static u8 max_spin_up(struct isci_host *ihost) MAX_CONCURRENT_DEVICE_SPIN_UP_COUNT); } -static void power_control_timeout(unsigned long data) +static void power_control_timeout(struct timer_list *t) { - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct isci_host *ihost = container_of(tmr, typeof(*ihost), power_control.timer); struct isci_phy *iphy; unsigned long flags; diff --git a/drivers/scsi/isci/isci.h b/drivers/scsi/isci/isci.h index 234ab46fce33..680e30947671 100644 --- a/drivers/scsi/isci/isci.h +++ b/drivers/scsi/isci/isci.h @@ -498,12 +498,10 @@ struct sci_timer { }; static inline -void sci_init_timer(struct sci_timer *tmr, void (*fn)(unsigned long)) +void sci_init_timer(struct sci_timer *tmr, void (*fn)(struct timer_list *t)) { - tmr->timer.function = fn; - tmr->timer.data = (unsigned long) tmr; tmr->cancel = 0; - init_timer(&tmr->timer); + timer_setup(&tmr->timer, fn, 0); } static inline void sci_mod_timer(struct sci_timer *tmr, unsigned long msec) diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index cb87b2ef7c92..1deca8c5a94f 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -315,9 +315,9 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, return SCI_SUCCESS; } -static void phy_sata_timeout(unsigned long data) +static void phy_sata_timeout(struct timer_list *t) { - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct isci_phy *iphy = container_of(tmr, typeof(*iphy), sata_timer); struct isci_host *ihost = iphy->owning_port->owning_controller; unsigned long flags; diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index a4dd5c91508c..1df45f028ea7 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -769,9 +769,9 @@ bool sci_port_link_detected(struct isci_port *iport, struct isci_phy *iphy) return true; } -static void port_timeout(unsigned long data) +static void port_timeout(struct timer_list *t) { - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct isci_port *iport = container_of(tmr, typeof(*iport), timer); struct isci_host *ihost = iport->owning_controller; unsigned long flags; diff --git a/drivers/scsi/isci/port_config.c b/drivers/scsi/isci/port_config.c index ac879745ef80..edb7be786c65 100644 --- a/drivers/scsi/isci/port_config.c +++ b/drivers/scsi/isci/port_config.c @@ -319,10 +319,10 @@ sci_mpc_agent_validate_phy_configuration(struct isci_host *ihost, return sci_port_configuration_agent_validate_ports(ihost, port_agent); } -static void mpc_agent_timeout(unsigned long data) +static void mpc_agent_timeout(struct timer_list *t) { u8 index; - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct sci_port_configuration_agent *port_agent; struct isci_host *ihost; unsigned long flags; @@ -654,10 +654,10 @@ static void sci_apc_agent_link_down( } /* configure the phys into ports when the timer fires */ -static void apc_agent_timeout(unsigned long data) +static void apc_agent_timeout(struct timer_list *t) { u32 index; - struct sci_timer *tmr = (struct sci_timer *)data; + struct sci_timer *tmr = from_timer(tmr, t, timer); struct sci_port_configuration_agent *port_agent; struct isci_host *ihost; unsigned long flags; diff --git a/drivers/scsi/libfc/Makefile b/drivers/scsi/libfc/Makefile index 4bb23ac86a5c..65396f86c307 100644 --- a/drivers/scsi/libfc/Makefile +++ b/drivers/scsi/libfc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # $Id: Makefile obj-$(CONFIG_LIBFC) += libfc.o diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index 772c35a5c49e..1a4e701a8449 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -97,7 +97,7 @@ static void fc_fcp_complete_locked(struct fc_fcp_pkt *); static void fc_tm_done(struct fc_seq *, struct fc_frame *, void *); static void fc_fcp_error(struct fc_fcp_pkt *, struct fc_frame *); static void fc_fcp_recovery(struct fc_fcp_pkt *, u8 code); -static void fc_fcp_timeout(unsigned long); +static void fc_fcp_timeout(struct timer_list *); static void fc_fcp_rec(struct fc_fcp_pkt *); static void fc_fcp_rec_error(struct fc_fcp_pkt *, struct fc_frame *); static void fc_fcp_rec_resp(struct fc_seq *, struct fc_frame *, void *); @@ -155,8 +155,7 @@ static struct fc_fcp_pkt *fc_fcp_pkt_alloc(struct fc_lport *lport, gfp_t gfp) fsp->lp = lport; fsp->xfer_ddp = FC_XID_UNKNOWN; refcount_set(&fsp->ref_cnt, 1); - init_timer(&fsp->timer); - fsp->timer.data = (unsigned long)fsp; + timer_setup(&fsp->timer, NULL, 0); INIT_LIST_HEAD(&fsp->list); spin_lock_init(&fsp->scsi_pkt_lock); } else { @@ -1215,7 +1214,7 @@ static int fc_fcp_cmd_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp, fsp->seq_ptr = seq; fc_fcp_pkt_hold(fsp); /* hold for fc_fcp_pkt_destroy */ - setup_timer(&fsp->timer, fc_fcp_timeout, (unsigned long)fsp); + fsp->timer.function = (TIMER_FUNC_TYPE)fc_fcp_timeout; if (rpriv->flags & FC_RP_FLAGS_REC_SUPPORTED) fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); @@ -1298,9 +1297,9 @@ static int fc_fcp_pkt_abort(struct fc_fcp_pkt *fsp) * fc_lun_reset_send() - Send LUN reset command * @data: The FCP packet that identifies the LUN to be reset */ -static void fc_lun_reset_send(unsigned long data) +static void fc_lun_reset_send(struct timer_list *t) { - struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)data; + struct fc_fcp_pkt *fsp = from_timer(fsp, t, timer); struct fc_lport *lport = fsp->lp; if (lport->tt.fcp_cmd_send(lport, fsp, fc_tm_done)) { @@ -1308,7 +1307,7 @@ static void fc_lun_reset_send(unsigned long data) return; if (fc_fcp_lock_pkt(fsp)) return; - setup_timer(&fsp->timer, fc_lun_reset_send, (unsigned long)fsp); + fsp->timer.function = (TIMER_FUNC_TYPE)fc_lun_reset_send; fc_fcp_timer_set(fsp, get_fsp_rec_tov(fsp)); fc_fcp_unlock_pkt(fsp); } @@ -1334,7 +1333,7 @@ static int fc_lun_reset(struct fc_lport *lport, struct fc_fcp_pkt *fsp, fsp->wait_for_comp = 1; init_completion(&fsp->tm_done); - fc_lun_reset_send((unsigned long)fsp); + fc_lun_reset_send(&fsp->timer); /* * wait for completion of reset @@ -1431,9 +1430,9 @@ static void fc_fcp_cleanup(struct fc_lport *lport) * received we see if data was received recently. If it has been then we * continue waiting, otherwise, we abort the command. */ -static void fc_fcp_timeout(unsigned long data) +static void fc_fcp_timeout(struct timer_list *t) { - struct fc_fcp_pkt *fsp = (struct fc_fcp_pkt *)data; + struct fc_fcp_pkt *fsp = from_timer(fsp, t, timer); struct fc_rport *rport = fsp->rport; struct fc_rport_libfc_priv *rpriv = rport->dd_data; @@ -1446,7 +1445,7 @@ static void fc_fcp_timeout(unsigned long data) if (fsp->lp->qfull) { FC_FCP_DBG(fsp, "fcp timeout, resetting timer delay %d\n", fsp->timer_delay); - setup_timer(&fsp->timer, fc_fcp_timeout, (unsigned long)fsp); + fsp->timer.function = (TIMER_FUNC_TYPE)fc_fcp_timeout; fc_fcp_timer_set(fsp, fsp->timer_delay); goto unlock; } diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index f8dc1601efd5..9c50d2d9f27c 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1805,9 +1805,9 @@ int iscsi_target_alloc(struct scsi_target *starget) } EXPORT_SYMBOL_GPL(iscsi_target_alloc); -static void iscsi_tmf_timedout(unsigned long data) +static void iscsi_tmf_timedout(struct timer_list *t) { - struct iscsi_conn *conn = (struct iscsi_conn *)data; + struct iscsi_conn *conn = from_timer(conn, t, tmf_timer); struct iscsi_session *session = conn->session; spin_lock(&session->frwd_lock); @@ -1838,8 +1838,6 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, } conn->tmfcmd_pdus_cnt++; conn->tmf_timer.expires = timeout * HZ + jiffies; - conn->tmf_timer.function = iscsi_tmf_timedout; - conn->tmf_timer.data = (unsigned long)conn; add_timer(&conn->tmf_timer); ISCSI_DBG_EH(session, "tmf set timeout\n"); @@ -2089,9 +2087,9 @@ done: } EXPORT_SYMBOL_GPL(iscsi_eh_cmd_timed_out); -static void iscsi_check_transport_timeouts(unsigned long data) +static void iscsi_check_transport_timeouts(struct timer_list *t) { - struct iscsi_conn *conn = (struct iscsi_conn *)data; + struct iscsi_conn *conn = from_timer(conn, t, transport_timer); struct iscsi_session *session = conn->session; unsigned long recv_timeout, next_timeout = 0, last_recv; @@ -2913,9 +2911,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, conn->exp_statsn = 0; conn->tmf_state = TMF_INITIAL; - init_timer(&conn->transport_timer); - conn->transport_timer.data = (unsigned long)conn; - conn->transport_timer.function = iscsi_check_transport_timeouts; + timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0); INIT_LIST_HEAD(&conn->mgmtqueue); INIT_LIST_HEAD(&conn->cmdqueue); @@ -2939,7 +2935,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, goto login_task_data_alloc_fail; conn->login_task->data = conn->data = data; - init_timer(&conn->tmf_timer); + timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0); init_waitqueue_head(&conn->ehwait); return cls_conn; diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 6b4fd2375178..174e5eff6155 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -41,9 +41,10 @@ static int sas_disable_routing(struct domain_device *dev, u8 *sas_addr); /* ---------- SMP task management ---------- */ -static void smp_task_timedout(unsigned long _task) +static void smp_task_timedout(struct timer_list *t) { - struct sas_task *task = (void *) _task; + struct sas_task_slow *slow = from_timer(slow, t, timer); + struct sas_task *task = slow->task; unsigned long flags; spin_lock_irqsave(&task->task_state_lock, flags); @@ -91,8 +92,7 @@ static int smp_execute_task_sg(struct domain_device *dev, task->task_done = smp_task_done; - task->slow_task->timer.data = (unsigned long) task; - task->slow_task->timer.function = smp_task_timedout; + task->slow_task->timer.function = (TIMER_FUNC_TYPE)smp_task_timedout; task->slow_task->timer.expires = jiffies + SMP_TIMEOUT*HZ; add_timer(&task->slow_task->timer); diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index 64e9cdda1c3c..681fcb837354 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -66,7 +66,8 @@ struct sas_task *sas_alloc_slow_task(gfp_t flags) } task->slow_task = slow; - init_timer(&slow->timer); + slow->task = task; + timer_setup(&slow->timer, NULL, 0); init_completion(&slow->completion); return task; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index ea8ad06ff582..91795eb56206 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -919,7 +919,7 @@ void sas_task_abort(struct sas_task *task) return; if (!del_timer(&slow->timer)) return; - slow->timer.function(slow->timer.data); + slow->timer.function((TIMER_DATA_TYPE)&slow->timer); return; } diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 7e300734b345..4e858b38529a 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -113,7 +113,7 @@ void lpfc_disc_list_loopmap(struct lpfc_vport *); void lpfc_disc_start(struct lpfc_vport *); void lpfc_cleanup_discovery_resources(struct lpfc_vport *); void lpfc_cleanup(struct lpfc_vport *); -void lpfc_disc_timeout(unsigned long); +void lpfc_disc_timeout(struct timer_list *); int lpfc_unregister_fcf_prep(struct lpfc_hba *); struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t); @@ -154,7 +154,7 @@ int lpfc_els_rsp_adisc_acc(struct lpfc_vport *, struct lpfc_iocbq *, int lpfc_els_rsp_prli_acc(struct lpfc_vport *, struct lpfc_iocbq *, struct lpfc_nodelist *); void lpfc_cancel_retry_delay_tmo(struct lpfc_vport *, struct lpfc_nodelist *); -void lpfc_els_retry_delay(unsigned long); +void lpfc_els_retry_delay(struct timer_list *); void lpfc_els_retry_delay_handler(struct lpfc_nodelist *); void lpfc_els_unsol_event(struct lpfc_hba *, struct lpfc_sli_ring *, struct lpfc_iocbq *); @@ -165,7 +165,7 @@ void lpfc_els_flush_all_cmd(struct lpfc_hba *); void lpfc_els_flush_cmd(struct lpfc_vport *); int lpfc_els_disc_adisc(struct lpfc_vport *); int lpfc_els_disc_plogi(struct lpfc_vport *); -void lpfc_els_timeout(unsigned long); +void lpfc_els_timeout(struct timer_list *); void lpfc_els_timeout_handler(struct lpfc_vport *); struct lpfc_iocbq *lpfc_prep_els_iocb(struct lpfc_vport *, uint8_t, uint16_t, uint8_t, struct lpfc_nodelist *, @@ -180,7 +180,7 @@ int lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *iocbq); int lpfc_ns_cmd(struct lpfc_vport *, int, uint8_t, uint32_t); int lpfc_fdmi_cmd(struct lpfc_vport *, struct lpfc_nodelist *, int, uint32_t); void lpfc_fdmi_num_disc_check(struct lpfc_vport *); -void lpfc_delayed_disc_tmo(unsigned long); +void lpfc_delayed_disc_tmo(struct timer_list *); void lpfc_delayed_disc_timeout_handler(struct lpfc_vport *); int lpfc_config_port_prep(struct lpfc_hba *); @@ -279,9 +279,9 @@ void lpfc_mem_free(struct lpfc_hba *); void lpfc_mem_free_all(struct lpfc_hba *); void lpfc_stop_vport_timers(struct lpfc_vport *); -void lpfc_poll_timeout(unsigned long ptr); +void lpfc_poll_timeout(struct timer_list *t); void lpfc_poll_start_timer(struct lpfc_hba *); -void lpfc_poll_eratt(unsigned long); +void lpfc_poll_eratt(struct timer_list *); int lpfc_sli_handle_fast_ring_event(struct lpfc_hba *, struct lpfc_sli_ring *, uint32_t); @@ -351,7 +351,7 @@ int lpfc_sli_abort_taskmgmt(struct lpfc_vport *, struct lpfc_sli_ring *, uint16_t, uint64_t, lpfc_ctx_cmd); -void lpfc_mbox_timeout(unsigned long); +void lpfc_mbox_timeout(struct timer_list *t); void lpfc_mbox_timeout_handler(struct lpfc_hba *); struct lpfc_nodelist *lpfc_findnode_did(struct lpfc_vport *, uint32_t); @@ -445,7 +445,7 @@ extern unsigned int lpfc_fcp_look_ahead; /* Interface exported by fabric iocb scheduler */ void lpfc_fabric_abort_nport(struct lpfc_nodelist *); void lpfc_fabric_abort_hba(struct lpfc_hba *); -void lpfc_fabric_block_timeout(unsigned long); +void lpfc_fabric_block_timeout(struct timer_list *); void lpfc_unblock_fabric_iocbs(struct lpfc_hba *); void lpfc_rampdown_queue_depth(struct lpfc_hba *); void lpfc_ramp_down_queue_handler(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 33417681f5d4..f77673ab4a84 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -2884,9 +2884,9 @@ fdmi_cmd_exit: * the worker thread. **/ void -lpfc_delayed_disc_tmo(unsigned long ptr) +lpfc_delayed_disc_tmo(struct timer_list *t) { - struct lpfc_vport *vport = (struct lpfc_vport *)ptr; + struct lpfc_vport *vport = from_timer(vport, t, delayed_disc_tmo); struct lpfc_hba *phba = vport->phba; uint32_t tmo_posted; unsigned long iflag; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 468a66371de9..0dd6c21433fe 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -3131,9 +3131,9 @@ lpfc_cancel_retry_delay_tmo(struct lpfc_vport *vport, struct lpfc_nodelist *nlp) * to the event associated with the ndlp. **/ void -lpfc_els_retry_delay(unsigned long ptr) +lpfc_els_retry_delay(struct timer_list *t) { - struct lpfc_nodelist *ndlp = (struct lpfc_nodelist *) ptr; + struct lpfc_nodelist *ndlp = from_timer(ndlp, t, nlp_delayfunc); struct lpfc_vport *vport = ndlp->vport; struct lpfc_hba *phba = vport->phba; unsigned long flags; @@ -7385,9 +7385,9 @@ lpfc_els_rcv_fan(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb, * lpfc_els_timeout_handler() to work on the posted event WORKER_ELS_TMO. **/ void -lpfc_els_timeout(unsigned long ptr) +lpfc_els_timeout(struct timer_list *t) { - struct lpfc_vport *vport = (struct lpfc_vport *) ptr; + struct lpfc_vport *vport = from_timer(vport, t, els_tmofunc); struct lpfc_hba *phba = vport->phba; uint32_t tmo_posted; unsigned long iflag; @@ -9017,9 +9017,9 @@ lpfc_issue_els_npiv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) * posted event WORKER_FABRIC_BLOCK_TMO. **/ void -lpfc_fabric_block_timeout(unsigned long ptr) +lpfc_fabric_block_timeout(struct timer_list *t) { - struct lpfc_hba *phba = (struct lpfc_hba *) ptr; + struct lpfc_hba *phba = from_timer(phba, t, fabric_block_timer); unsigned long iflags; uint32_t tmo_posted; diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 20808349a80e..8d491084eb5d 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -4370,8 +4370,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, { INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); - setup_timer(&ndlp->nlp_delayfunc, lpfc_els_retry_delay, - (unsigned long)ndlp); + timer_setup(&ndlp->nlp_delayfunc, lpfc_els_retry_delay, 0); ndlp->nlp_DID = did; ndlp->vport = vport; ndlp->phba = vport->phba; @@ -5508,9 +5507,9 @@ lpfc_cleanup_discovery_resources(struct lpfc_vport *vport) */ /*****************************************************************************/ void -lpfc_disc_timeout(unsigned long ptr) +lpfc_disc_timeout(struct timer_list *t) { - struct lpfc_vport *vport = (struct lpfc_vport *) ptr; + struct lpfc_vport *vport = from_timer(vport, t, fc_disctmo); struct lpfc_hba *phba = vport->phba; uint32_t tmo_posted; unsigned long flags = 0; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 100bc4c8798d..6a1e28ba9258 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1138,13 +1138,13 @@ lpfc_hba_down_post(struct lpfc_hba *phba) * be cleared by the worker thread after it has taken the event bitmap out. **/ static void -lpfc_hb_timeout(unsigned long ptr) +lpfc_hb_timeout(struct timer_list *t) { struct lpfc_hba *phba; uint32_t tmo_posted; unsigned long iflag; - phba = (struct lpfc_hba *)ptr; + phba = from_timer(phba, t, hb_tmofunc); /* Check for heart beat timeout conditions */ spin_lock_irqsave(&phba->pport->work_port_lock, iflag); @@ -1172,12 +1172,12 @@ lpfc_hb_timeout(unsigned long ptr) * be cleared by the worker thread after it has taken the event bitmap out. **/ static void -lpfc_rrq_timeout(unsigned long ptr) +lpfc_rrq_timeout(struct timer_list *t) { struct lpfc_hba *phba; unsigned long iflag; - phba = (struct lpfc_hba *)ptr; + phba = from_timer(phba, t, rrq_tmr); spin_lock_irqsave(&phba->pport->work_port_lock, iflag); if (!(phba->pport->load_flag & FC_UNLOADING)) phba->hba_flag |= HBA_RRQ_ACTIVE; @@ -3937,14 +3937,11 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) INIT_LIST_HEAD(&vport->rcv_buffer_list); spin_lock_init(&vport->work_port_lock); - setup_timer(&vport->fc_disctmo, lpfc_disc_timeout, - (unsigned long)vport); + timer_setup(&vport->fc_disctmo, lpfc_disc_timeout, 0); - setup_timer(&vport->els_tmofunc, lpfc_els_timeout, - (unsigned long)vport); + timer_setup(&vport->els_tmofunc, lpfc_els_timeout, 0); - setup_timer(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, - (unsigned long)vport); + timer_setup(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, 0); error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); if (error) @@ -4210,9 +4207,9 @@ lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *phba) * worker thread context. **/ static void -lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr) +lpfc_sli4_fcf_redisc_wait_tmo(struct timer_list *t) { - struct lpfc_hba *phba = (struct lpfc_hba *)ptr; + struct lpfc_hba *phba = from_timer(phba, t, fcf.redisc_wait); /* Don't send FCF rediscovery event if timer cancelled */ spin_lock_irq(&phba->hbalock); @@ -5624,15 +5621,13 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) INIT_LIST_HEAD(&phba->luns); /* MBOX heartbeat timer */ - setup_timer(&psli->mbox_tmo, lpfc_mbox_timeout, (unsigned long)phba); + timer_setup(&psli->mbox_tmo, lpfc_mbox_timeout, 0); /* Fabric block timer */ - setup_timer(&phba->fabric_block_timer, lpfc_fabric_block_timeout, - (unsigned long)phba); + timer_setup(&phba->fabric_block_timer, lpfc_fabric_block_timeout, 0); /* EA polling mode timer */ - setup_timer(&phba->eratt_poll, lpfc_poll_eratt, - (unsigned long)phba); + timer_setup(&phba->eratt_poll, lpfc_poll_eratt, 0); /* Heartbeat timer */ - setup_timer(&phba->hb_tmofunc, lpfc_hb_timeout, (unsigned long)phba); + timer_setup(&phba->hb_tmofunc, lpfc_hb_timeout, 0); return 0; } @@ -5658,8 +5653,7 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) */ /* FCP polling mode timer */ - setup_timer(&phba->fcp_poll_timer, lpfc_poll_timeout, - (unsigned long)phba); + timer_setup(&phba->fcp_poll_timer, lpfc_poll_timeout, 0); /* Host attention work mask setup */ phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); @@ -5829,11 +5823,10 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) * Initialize timers used by driver */ - setup_timer(&phba->rrq_tmr, lpfc_rrq_timeout, (unsigned long)phba); + timer_setup(&phba->rrq_tmr, lpfc_rrq_timeout, 0); /* FCF rediscover timer */ - setup_timer(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, - (unsigned long)phba); + timer_setup(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, 0); /* * Control structure for handling external multi-buffer mailbox diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 1a6f122bb25d..c0cdaef4db24 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -4501,9 +4501,9 @@ void lpfc_poll_start_timer(struct lpfc_hba * phba) * and FCP Ring interrupt is disable. **/ -void lpfc_poll_timeout(unsigned long ptr) +void lpfc_poll_timeout(struct timer_list *t) { - struct lpfc_hba *phba = (struct lpfc_hba *) ptr; + struct lpfc_hba *phba = from_timer(phba, t, fcp_poll_timer); if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { lpfc_sli_handle_fast_ring_event(phba, diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 8b119f87b51d..4edb81073409 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -3004,13 +3004,13 @@ lpfc_sli_rsp_pointers_error(struct lpfc_hba *phba, struct lpfc_sli_ring *pring) * and wake up worker thread to process it. Otherwise, it will set up the * Error Attention polling timer for the next poll. **/ -void lpfc_poll_eratt(unsigned long ptr) +void lpfc_poll_eratt(struct timer_list *t) { struct lpfc_hba *phba; uint32_t eratt = 0; uint64_t sli_intr, cnt; - phba = (struct lpfc_hba *)ptr; + phba = from_timer(phba, t, eratt_poll); /* Here we will also keep track of interrupts per sec of the hba */ sli_intr = phba->sli.slistat.sli_intr; @@ -7167,9 +7167,9 @@ out_free_mbox: * done by the worker thread function lpfc_mbox_timeout_handler. **/ void -lpfc_mbox_timeout(unsigned long ptr) +lpfc_mbox_timeout(struct timer_list *t) { - struct lpfc_hba *phba = (struct lpfc_hba *) ptr; + struct lpfc_hba *phba = from_timer(phba, t, sli.mbox_tmo); unsigned long iflag; uint32_t tmo_posted; diff --git a/drivers/scsi/mac53c94.h b/drivers/scsi/mac53c94.h index 1ad24e4f0a85..5df6e81f78a8 100644 --- a/drivers/scsi/mac53c94.h +++ b/drivers/scsi/mac53c94.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * mac53c94.h: definitions for the driver for the 53c94 SCSI bus adaptor * found on Power Macintosh computers, controlling the external SCSI chain. diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h index 508d65e5a518..21eba2fd465a 100644 --- a/drivers/scsi/megaraid.h +++ b/drivers/scsi/megaraid.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MEGARAID_H__ #define __MEGARAID_H__ diff --git a/drivers/scsi/megaraid/Makefile b/drivers/scsi/megaraid/Makefile index 5826ed509e3e..6e74d21227a5 100644 --- a/drivers/scsi/megaraid/Makefile +++ b/drivers/scsi/megaraid/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MEGARAID_MM) += megaraid_mm.o obj-$(CONFIG_MEGARAID_MAILBOX) += megaraid_mbox.o obj-$(CONFIG_MEGARAID_SAS) += megaraid_sas.o diff --git a/drivers/scsi/megaraid/megaraid_ioctl.h b/drivers/scsi/megaraid/megaraid_ioctl.h index 05f6e4ec3453..eedcbde46459 100644 --- a/drivers/scsi/megaraid/megaraid_ioctl.h +++ b/drivers/scsi/megaraid/megaraid_ioctl.h @@ -19,6 +19,7 @@ #include <linux/types.h> #include <linux/semaphore.h> +#include <linux/timer.h> #include "mbox_defs.h" @@ -153,6 +154,11 @@ typedef struct uioc { } __attribute__ ((aligned(1024),packed)) uioc_t; +/* For on-stack uioc timers. */ +struct uioc_timeout { + struct timer_list timer; + uioc_t *uioc; +}; /** * struct mraid_hba_info - information about the controller diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index ec3c43854978..530358cdcb39 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -3904,19 +3904,19 @@ megaraid_sysfs_get_ldmap_done(uioc_t *uioc) wake_up(&raid_dev->sysfs_wait_q); } - /** * megaraid_sysfs_get_ldmap_timeout - timeout handling for get ldmap - * @data : timed out packet + * @t : timed out timer * * Timeout routine to recover and return to application, in case the adapter * has stopped responding. A timeout of 60 seconds for this command seems like * a good value. */ static void -megaraid_sysfs_get_ldmap_timeout(unsigned long data) +megaraid_sysfs_get_ldmap_timeout(struct timer_list *t) { - uioc_t *uioc = (uioc_t *)data; + struct uioc_timeout *timeout = from_timer(timeout, t, timer); + uioc_t *uioc = timeout->uioc; adapter_t *adapter = (adapter_t *)uioc->buf_vaddr; mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter); @@ -3951,8 +3951,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) mbox64_t *mbox64; mbox_t *mbox; char *raw_mbox; - struct timer_list sysfs_timer; - struct timer_list *timerp; + struct uioc_timeout timeout; caddr_t ldmap; int rval = 0; @@ -3988,14 +3987,12 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) /* * Setup a timer to recover from a non-responding controller */ - timerp = &sysfs_timer; - init_timer(timerp); - - timerp->function = megaraid_sysfs_get_ldmap_timeout; - timerp->data = (unsigned long)uioc; - timerp->expires = jiffies + 60 * HZ; + timeout.uioc = uioc; + timer_setup_on_stack(&timeout.timer, + megaraid_sysfs_get_ldmap_timeout, 0); - add_timer(timerp); + timeout.timer.expires = jiffies + 60 * HZ; + add_timer(&timeout.timer); /* * Send the command to the firmware @@ -4033,7 +4030,8 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) } - del_timer_sync(timerp); + del_timer_sync(&timeout.timer); + destroy_timer_on_stack(&timeout.timer); mutex_unlock(&raid_dev->sysfs_mtx); diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c index 65b6f6ace3a5..bb802b0c12b8 100644 --- a/drivers/scsi/megaraid/megaraid_mm.c +++ b/drivers/scsi/megaraid/megaraid_mm.c @@ -35,7 +35,7 @@ static int kioc_to_mimd(uioc_t *, mimd_t __user *); static int handle_drvrcmd(void __user *, uint8_t, int *); static int lld_ioctl(mraid_mmadp_t *, uioc_t *); static void ioctl_done(uioc_t *); -static void lld_timedout(unsigned long); +static void lld_timedout(struct timer_list *); static void hinfo_to_cinfo(mraid_hba_info_t *, mcontroller_t *); static mraid_mmadp_t *mraid_mm_get_adapter(mimd_t __user *, int *); static uioc_t *mraid_mm_alloc_kioc(mraid_mmadp_t *); @@ -686,8 +686,7 @@ static int lld_ioctl(mraid_mmadp_t *adp, uioc_t *kioc) { int rval; - struct timer_list timer; - struct timer_list *tp = NULL; + struct uioc_timeout timeout = { }; kioc->status = -ENODATA; rval = adp->issue_uioc(adp->drvr_data, kioc, IOCTL_ISSUE); @@ -698,14 +697,12 @@ lld_ioctl(mraid_mmadp_t *adp, uioc_t *kioc) * Start the timer */ if (adp->timeout > 0) { - tp = &timer; - init_timer(tp); + timeout.uioc = kioc; + timer_setup_on_stack(&timeout.timer, lld_timedout, 0); - tp->function = lld_timedout; - tp->data = (unsigned long)kioc; - tp->expires = jiffies + adp->timeout * HZ; + timeout.timer.expires = jiffies + adp->timeout * HZ; - add_timer(tp); + add_timer(&timeout.timer); } /* @@ -713,8 +710,9 @@ lld_ioctl(mraid_mmadp_t *adp, uioc_t *kioc) * call, the ioctl either completed successfully or timedout. */ wait_event(wait_q, (kioc->status != -ENODATA)); - if (tp) { - del_timer_sync(tp); + if (timeout.timer.function) { + del_timer_sync(&timeout.timer); + destroy_timer_on_stack(&timeout.timer); } /* @@ -783,12 +781,13 @@ ioctl_done(uioc_t *kioc) /** * lld_timedout - callback from the expired timer - * @ptr : ioctl packet that timed out + * @t : timer that timed out */ static void -lld_timedout(unsigned long ptr) +lld_timedout(struct timer_list *t) { - uioc_t *kioc = (uioc_t *)ptr; + struct uioc_timeout *timeout = from_timer(timeout, t, timer); + uioc_t *kioc = timeout->uioc; kioc->status = -ETIME; kioc->timedout = 1; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index e518dadc8161..a36e18156e49 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -2114,22 +2114,19 @@ static void megasas_complete_cmd_dpc(unsigned long instance_addr) megasas_check_and_restore_queue_depth(instance); } +static void megasas_sriov_heartbeat_handler(struct timer_list *t); + /** - * megasas_start_timer - Initializes a timer object + * megasas_start_timer - Initializes sriov heartbeat timer object * @instance: Adapter soft state - * @timer: timer object to be initialized - * @fn: timer function - * @interval: time interval between timer function call * */ -void megasas_start_timer(struct megasas_instance *instance, - struct timer_list *timer, - void *fn, unsigned long interval) -{ - init_timer(timer); - timer->expires = jiffies + interval; - timer->data = (unsigned long)instance; - timer->function = fn; +void megasas_start_timer(struct megasas_instance *instance) +{ + struct timer_list *timer = &instance->sriov_heartbeat_timer; + + timer_setup(timer, megasas_sriov_heartbeat_handler, 0); + timer->expires = jiffies + MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF; add_timer(timer); } @@ -2515,10 +2512,10 @@ out: } /* Handler for SR-IOV heartbeat */ -void megasas_sriov_heartbeat_handler(unsigned long instance_addr) +static void megasas_sriov_heartbeat_handler(struct timer_list *t) { struct megasas_instance *instance = - (struct megasas_instance *)instance_addr; + from_timer(instance, t, sriov_heartbeat_timer); if (instance->hb_host_mem->HB.fwCounter != instance->hb_host_mem->HB.driverCounter) { @@ -5493,10 +5490,7 @@ static int megasas_init_fw(struct megasas_instance *instance) /* Launch SR-IOV heartbeat timer */ if (instance->requestorId) { if (!megasas_sriov_start_heartbeat(instance, 1)) - megasas_start_timer(instance, - &instance->sriov_heartbeat_timer, - megasas_sriov_heartbeat_handler, - MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); + megasas_start_timer(instance); else instance->skip_heartbeat_timer_del = 1; } @@ -6507,10 +6501,7 @@ megasas_resume(struct pci_dev *pdev) /* Re-launch SR-IOV heartbeat timer */ if (instance->requestorId) { if (!megasas_sriov_start_heartbeat(instance, 0)) - megasas_start_timer(instance, - &instance->sriov_heartbeat_timer, - megasas_sriov_heartbeat_handler, - MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); + megasas_start_timer(instance); else { instance->skip_heartbeat_timer_del = 1; goto fail_init_mfi; diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 11bd2e698b84..3c399e7b3fe1 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -85,12 +85,9 @@ int megasas_transition_to_ready(struct megasas_instance *instance, int ocr); void megaraid_sas_kill_hba(struct megasas_instance *instance); extern u32 megasas_dbg_lvl; -void megasas_sriov_heartbeat_handler(unsigned long instance_addr); int megasas_sriov_start_heartbeat(struct megasas_instance *instance, int initial); -void megasas_start_timer(struct megasas_instance *instance, - struct timer_list *timer, - void *fn, unsigned long interval); +void megasas_start_timer(struct megasas_instance *instance); extern struct megasas_mgmt_info megasas_mgmt_info; extern unsigned int resetwaittime; extern unsigned int dual_qdepth_disable; @@ -4369,10 +4366,7 @@ transition_to_ready: /* Restart SR-IOV heartbeat */ if (instance->requestorId) { if (!megasas_sriov_start_heartbeat(instance, 0)) - megasas_start_timer(instance, - &instance->sriov_heartbeat_timer, - megasas_sriov_heartbeat_handler, - MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); + megasas_start_timer(instance); else instance->skip_heartbeat_timer_del = 1; } @@ -4404,10 +4398,7 @@ fail_kill_adapter: } else { /* For VF: Restart HB timer if we didn't OCR */ if (instance->requestorId) { - megasas_start_timer(instance, - &instance->sriov_heartbeat_timer, - megasas_sriov_heartbeat_handler, - MEGASAS_SRIOV_HEARTBEAT_INTERVAL_VF); + megasas_start_timer(instance); } clear_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags); instance->instancet->enable_intr(instance); diff --git a/drivers/scsi/mesh.h b/drivers/scsi/mesh.h index 4fdb81fa55e2..ee53c05ace95 100644 --- a/drivers/scsi/mesh.h +++ b/drivers/scsi/mesh.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * mesh.h: definitions for the driver for the MESH SCSI bus adaptor * (Macintosh Enhanced SCSI Hardware) found on Power Macintosh computers. diff --git a/drivers/scsi/mpt3sas/Makefile b/drivers/scsi/mpt3sas/Makefile index b7643f596c1e..84fb3fbdb0ca 100644 --- a/drivers/scsi/mpt3sas/Makefile +++ b/drivers/scsi/mpt3sas/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # mpt3sas makefile obj-$(CONFIG_SCSI_MPT3SAS) += mpt3sas.o mpt3sas-y += mpt3sas_base.o \ diff --git a/drivers/scsi/mpt3sas/mpi/mpi2.h b/drivers/scsi/mpt3sas/mpi/mpi2.h index a9a659fc2812..2608011cc7f1 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2015 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h index fa61baf7c74d..036c9cf61032 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2015 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_init.h b/drivers/scsi/mpt3sas/mpi/mpi2_init.h index bba56b61d36c..38b2c879bf0f 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_init.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_init.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2015 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h index af4be403582e..673cf05f94dc 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_ioc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2015 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_raid.h b/drivers/scsi/mpt3sas/mpi/mpi2_raid.h index 1c0eeeeb5eaf..b9bb1c178f12 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_raid.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_raid.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2014 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_sas.h b/drivers/scsi/mpt3sas/mpi/mpi2_sas.h index c10c2c02a945..afa17ff246b4 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_sas.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_sas.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2015 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_tool.h b/drivers/scsi/mpt3sas/mpi/mpi2_tool.h index 5f9289a1166f..593765a4ddb8 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_tool.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_tool.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2014 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_type.h b/drivers/scsi/mpt3sas/mpi/mpi2_type.h index 92a81abc2c31..36494439a419 100644 --- a/drivers/scsi/mpt3sas/mpi/mpi2_type.h +++ b/drivers/scsi/mpt3sas/mpi/mpi2_type.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright 2000-2014 Avago Technologies. All rights reserved. * diff --git a/drivers/scsi/mvme147.c b/drivers/scsi/mvme147.c index 4f515700bdc3..e6b2b681fda3 100644 --- a/drivers/scsi/mvme147.c +++ b/drivers/scsi/mvme147.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/mm.h> #include <linux/blkdev.h> diff --git a/drivers/scsi/mvme147.h b/drivers/scsi/mvme147.h index bfd4566ef050..f75ff58ddcd0 100644 --- a/drivers/scsi/mvme147.h +++ b/drivers/scsi/mvme147.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef MVME147_H /* $Id: mvme147.h,v 1.4 1997/01/19 23:07:10 davem Exp $ diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 718c88de328b..8c91637cd598 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -95,7 +95,7 @@ static void mvs_phy_init(struct mvs_info *mvi, int phy_id) phy->mvi = mvi; phy->port = NULL; - init_timer(&phy->timer); + timer_setup(&phy->timer, NULL, 0); sas_phy->enabled = (phy_id < mvi->chip->n_phy) ? 1 : 0; sas_phy->class = SAS; sas_phy->iproto = SAS_PROTOCOL_ALL; @@ -248,7 +248,6 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost) mvi->devices[i].dev_type = SAS_PHY_UNUSED; mvi->devices[i].device_id = i; mvi->devices[i].dev_status = MVS_DEV_NORMAL; - init_timer(&mvi->devices[i].timer); } /* diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index ee81d10252e0..cff1c37b8d2e 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1283,9 +1283,10 @@ static void mvs_task_done(struct sas_task *task) complete(&task->slow_task->completion); } -static void mvs_tmf_timedout(unsigned long data) +static void mvs_tmf_timedout(struct timer_list *t) { - struct sas_task *task = (struct sas_task *)data; + struct sas_task_slow *slow = from_timer(slow, t, timer); + struct sas_task *task = slow->task; task->task_state_flags |= SAS_TASK_STATE_ABORTED; complete(&task->slow_task->completion); @@ -1309,8 +1310,7 @@ static int mvs_exec_internal_tmf_task(struct domain_device *dev, memcpy(&task->ssp_task, parameter, para_len); task->task_done = mvs_task_done; - task->slow_task->timer.data = (unsigned long) task; - task->slow_task->timer.function = mvs_tmf_timedout; + task->slow_task->timer.function = (TIMER_FUNC_TYPE)mvs_tmf_timedout; task->slow_task->timer.expires = jiffies + MVS_TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); @@ -1954,9 +1954,9 @@ static int mvs_handle_event(struct mvs_info *mvi, void *data, int handler) return ret; } -static void mvs_sig_time_out(unsigned long tphy) +static void mvs_sig_time_out(struct timer_list *t) { - struct mvs_phy *phy = (struct mvs_phy *)tphy; + struct mvs_phy *phy = from_timer(phy, t, timer); struct mvs_info *mvi = phy->mvi; u8 phy_no; @@ -2020,8 +2020,7 @@ void mvs_int_port(struct mvs_info *mvi, int phy_no, u32 events) MVS_CHIP_DISP->write_port_irq_mask(mvi, phy_no, tmp | PHYEV_SIG_FIS); if (phy->timer.function == NULL) { - phy->timer.data = (unsigned long)phy; - phy->timer.function = mvs_sig_time_out; + phy->timer.function = (TIMER_FUNC_TYPE)mvs_sig_time_out; phy->timer.expires = jiffies + 5*HZ; add_timer(&phy->timer); } diff --git a/drivers/scsi/mvsas/mv_sas.h b/drivers/scsi/mvsas/mv_sas.h index f9afd4cdd4c4..080676c1c9e5 100644 --- a/drivers/scsi/mvsas/mv_sas.h +++ b/drivers/scsi/mvsas/mv_sas.h @@ -247,7 +247,6 @@ struct mvs_device { enum sas_device_type dev_type; struct mvs_info *mvi_info; struct domain_device *sas_device; - struct timer_list timer; u32 attached_phy; u32 device_id; u32 running_req; diff --git a/drivers/scsi/osst.h b/drivers/scsi/osst.h index b4fea98ba276..b90ae280853d 100644 --- a/drivers/scsi/osst.h +++ b/drivers/scsi/osst.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * $Header: /cvsroot/osst/Driver/osst.h,v 1.16 2005/01/01 21:13:35 wriede Exp $ */ diff --git a/drivers/scsi/osst_detect.h b/drivers/scsi/osst_detect.h index 21717d0e6974..83c1d4fb11db 100644 --- a/drivers/scsi/osst_detect.h +++ b/drivers/scsi/osst_detect.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define SIGS_FROM_OSST \ {"OnStream", "SC-", "", "osst"}, \ {"OnStream", "DI-", "", "osst"}, \ diff --git a/drivers/scsi/osst_options.h b/drivers/scsi/osst_options.h index ff1e610946ed..a6a389b88876 100644 --- a/drivers/scsi/osst_options.h +++ b/drivers/scsi/osst_options.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* The compile-time configurable defaults for the Linux SCSI tape driver. diff --git a/drivers/scsi/pcmcia/Makefile b/drivers/scsi/pcmcia/Makefile index 683bf148b5b7..44eea2d43143 100644 --- a/drivers/scsi/pcmcia/Makefile +++ b/drivers/scsi/pcmcia/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/scsi diff --git a/drivers/scsi/pm8001/Makefile b/drivers/scsi/pm8001/Makefile index ce4cd87c7c66..02b7338999cc 100644 --- a/drivers/scsi/pm8001/Makefile +++ b/drivers/scsi/pm8001/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Kernel configuration file for the PM8001 SAS/SATA 8x6G based HBA driver # diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index ce584c31d36e..7b2f92ae9866 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -656,9 +656,10 @@ void pm8001_task_done(struct sas_task *task) complete(&task->slow_task->completion); } -static void pm8001_tmf_timedout(unsigned long data) +static void pm8001_tmf_timedout(struct timer_list *t) { - struct sas_task *task = (struct sas_task *)data; + struct sas_task_slow *slow = from_timer(slow, t, timer); + struct sas_task *task = slow->task; task->task_state_flags |= SAS_TASK_STATE_ABORTED; complete(&task->slow_task->completion); @@ -694,8 +695,7 @@ static int pm8001_exec_internal_tmf_task(struct domain_device *dev, task->task_proto = dev->tproto; memcpy(&task->ssp_task, parameter, para_len); task->task_done = pm8001_task_done; - task->slow_task->timer.data = (unsigned long)task; - task->slow_task->timer.function = pm8001_tmf_timedout; + task->slow_task->timer.function = (TIMER_FUNC_TYPE)pm8001_tmf_timedout; task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT*HZ; add_timer(&task->slow_task->timer); @@ -781,8 +781,7 @@ pm8001_exec_internal_task_abort(struct pm8001_hba_info *pm8001_ha, task->dev = dev; task->task_proto = dev->tproto; task->task_done = pm8001_task_done; - task->slow_task->timer.data = (unsigned long)task; - task->slow_task->timer.function = pm8001_tmf_timedout; + task->slow_task->timer.function = (TIMER_FUNC_TYPE)pm8001_tmf_timedout; task->slow_task->timer.expires = jiffies + PM8001_TASK_TIMEOUT * HZ; add_timer(&task->slow_task->timer); diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index b4d6cd8cd1ad..4f9f115fb6a0 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -348,7 +348,7 @@ static void pmcraid_init_cmdblk(struct pmcraid_cmd *cmd, int index) cmd->sense_buffer = NULL; cmd->sense_buffer_dma = 0; cmd->dma_handle = 0; - init_timer(&cmd->timer); + timer_setup(&cmd->timer, NULL, 0); } /** @@ -557,8 +557,9 @@ static void pmcraid_reset_type(struct pmcraid_instance *pinstance) static void pmcraid_ioa_reset(struct pmcraid_cmd *); -static void pmcraid_bist_done(struct pmcraid_cmd *cmd) +static void pmcraid_bist_done(struct timer_list *t) { + struct pmcraid_cmd *cmd = from_timer(cmd, t, timer); struct pmcraid_instance *pinstance = cmd->drv_inst; unsigned long lock_flags; int rc; @@ -572,9 +573,6 @@ static void pmcraid_bist_done(struct pmcraid_cmd *cmd) pmcraid_info("BIST not complete, waiting another 2 secs\n"); cmd->timer.expires = jiffies + cmd->time_left; cmd->time_left = 0; - cmd->timer.data = (unsigned long)cmd; - cmd->timer.function = - (void (*)(unsigned long))pmcraid_bist_done; add_timer(&cmd->timer); } else { cmd->time_left = 0; @@ -605,9 +603,8 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd) doorbells, intrs); cmd->time_left = msecs_to_jiffies(PMCRAID_BIST_TIMEOUT); - cmd->timer.data = (unsigned long)cmd; cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_BIST_TIMEOUT); - cmd->timer.function = (void (*)(unsigned long))pmcraid_bist_done; + cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_bist_done; add_timer(&cmd->timer); } @@ -617,8 +614,9 @@ static void pmcraid_start_bist(struct pmcraid_cmd *cmd) * Return value * None */ -static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd) +static void pmcraid_reset_alert_done(struct timer_list *t) { + struct pmcraid_cmd *cmd = from_timer(cmd, t, timer); struct pmcraid_instance *pinstance = cmd->drv_inst; u32 status = ioread32(pinstance->ioa_status); unsigned long lock_flags; @@ -637,10 +635,8 @@ static void pmcraid_reset_alert_done(struct pmcraid_cmd *cmd) pmcraid_info("critical op is not yet reset waiting again\n"); /* restart timer if some more time is available to wait */ cmd->time_left -= PMCRAID_CHECK_FOR_RESET_TIMEOUT; - cmd->timer.data = (unsigned long)cmd; cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT; - cmd->timer.function = - (void (*)(unsigned long))pmcraid_reset_alert_done; + cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_reset_alert_done; add_timer(&cmd->timer); } } @@ -676,10 +672,8 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd) * bit to be reset. */ cmd->time_left = PMCRAID_RESET_TIMEOUT; - cmd->timer.data = (unsigned long)cmd; cmd->timer.expires = jiffies + PMCRAID_CHECK_FOR_RESET_TIMEOUT; - cmd->timer.function = - (void (*)(unsigned long))pmcraid_reset_alert_done; + cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_reset_alert_done; add_timer(&cmd->timer); iowrite32(DOORBELL_IOA_RESET_ALERT, @@ -704,8 +698,9 @@ static void pmcraid_reset_alert(struct pmcraid_cmd *cmd) * Return value: * None */ -static void pmcraid_timeout_handler(struct pmcraid_cmd *cmd) +static void pmcraid_timeout_handler(struct timer_list *t) { + struct pmcraid_cmd *cmd = from_timer(cmd, t, timer); struct pmcraid_instance *pinstance = cmd->drv_inst; unsigned long lock_flags; @@ -919,7 +914,7 @@ static void pmcraid_send_cmd( struct pmcraid_cmd *cmd, void (*cmd_done) (struct pmcraid_cmd *), unsigned long timeout, - void (*timeout_func) (struct pmcraid_cmd *) + void (*timeout_func) (struct timer_list *) ) { /* initialize done function */ @@ -927,9 +922,8 @@ static void pmcraid_send_cmd( if (timeout_func) { /* setup timeout handler */ - cmd->timer.data = (unsigned long)cmd; cmd->timer.expires = jiffies + timeout; - cmd->timer.function = (void (*)(unsigned long))timeout_func; + cmd->timer.function = (TIMER_FUNC_TYPE)timeout_func; add_timer(&cmd->timer); } @@ -1955,10 +1949,9 @@ static void pmcraid_soft_reset(struct pmcraid_cmd *cmd) * would re-initiate a reset */ cmd->cmd_done = pmcraid_ioa_reset; - cmd->timer.data = (unsigned long)cmd; cmd->timer.expires = jiffies + msecs_to_jiffies(PMCRAID_TRANSOP_TIMEOUT); - cmd->timer.function = (void (*)(unsigned long))pmcraid_timeout_handler; + cmd->timer.function = (TIMER_FUNC_TYPE)pmcraid_timeout_handler; if (!timer_pending(&cmd->timer)) add_timer(&cmd->timer); diff --git a/drivers/scsi/ppa.h b/drivers/scsi/ppa.h index ba8021427b88..6a1f8a2d70eb 100644 --- a/drivers/scsi/ppa.h +++ b/drivers/scsi/ppa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Driver for the PPA3 parallel port SCSI HBA embedded in * the Iomega ZIP drive * diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 8a29fb09db14..390775d5c918 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -758,9 +758,9 @@ enum action { }; -static void qla1280_mailbox_timeout(unsigned long __data) +static void qla1280_mailbox_timeout(struct timer_list *t) { - struct scsi_qla_host *ha = (struct scsi_qla_host *)__data; + struct scsi_qla_host *ha = from_timer(ha, t, mailbox_timer); struct device_reg __iomem *reg; reg = ha->iobase; @@ -2465,7 +2465,6 @@ qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) uint16_t __iomem *mptr; uint16_t data; DECLARE_COMPLETION_ONSTACK(wait); - struct timer_list timer; ENTER("qla1280_mailbox_command"); @@ -2494,18 +2493,15 @@ qla1280_mailbox_command(struct scsi_qla_host *ha, uint8_t mr, uint16_t *mb) /* Issue set host interrupt command. */ /* set up a timer just in case we're really jammed */ - init_timer_on_stack(&timer); - timer.expires = jiffies + 20*HZ; - timer.data = (unsigned long)ha; - timer.function = qla1280_mailbox_timeout; - add_timer(&timer); + timer_setup(&ha->mailbox_timer, qla1280_mailbox_timeout, 0); + mod_timer(&ha->mailbox_timer, jiffies + 20 * HZ); spin_unlock_irq(ha->host->host_lock); WRT_REG_WORD(®->host_cmd, HC_SET_HOST_INT); data = qla1280_debounce_register(®->istatus); wait_for_completion(&wait); - del_timer_sync(&timer); + del_timer_sync(&ha->mailbox_timer); spin_lock_irq(ha->host->host_lock); diff --git a/drivers/scsi/qla1280.h b/drivers/scsi/qla1280.h index 834884b9eed5..1522aca2c8c8 100644 --- a/drivers/scsi/qla1280.h +++ b/drivers/scsi/qla1280.h @@ -1055,6 +1055,7 @@ struct scsi_qla_host { struct list_head done_q; /* Done queue */ struct completion *mailbox_wait; + struct timer_list mailbox_timer; volatile struct { uint32_t online:1; /* 0 */ diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile index 0b767a0bb308..17d5bc1cc56b 100644 --- a/drivers/scsi/qla2xxx/Makefile +++ b/drivers/scsi/qla2xxx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \ qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o \ qla_nx.o qla_mr.o qla_nx2.o qla_target.o qla_tmpl.o qla_nvme.o diff --git a/drivers/scsi/qla2xxx/qla_devtbl.h b/drivers/scsi/qla2xxx/qla_devtbl.h index d6ea69df7c5c..ffb9694be748 100644 --- a/drivers/scsi/qla2xxx/qla_devtbl.h +++ b/drivers/scsi/qla2xxx/qla_devtbl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define QLA_MODEL_NAMES 0x5C /* diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index f852ca60c49f..3ad375f85b59 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -206,8 +206,8 @@ int qla24xx_async_abort_cmd(srb_t *); */ extern struct scsi_host_template qla2xxx_driver_template; extern struct scsi_transport_template *qla2xxx_transport_vport_template; -extern void qla2x00_timer(scsi_qla_host_t *); -extern void qla2x00_start_timer(scsi_qla_host_t *, void *, unsigned long); +extern void qla2x00_timer(struct timer_list *); +extern void qla2x00_start_timer(scsi_qla_host_t *, unsigned long); extern void qla24xx_deallocate_vp_id(scsi_qla_host_t *); extern int qla24xx_disable_vp (scsi_qla_host_t *); extern int qla24xx_enable_vp (scsi_qla_host_t *); @@ -753,7 +753,7 @@ extern int qla82xx_restart_isp(scsi_qla_host_t *); /* IOCB related functions */ extern int qla82xx_start_scsi(srb_t *); extern void qla2x00_sp_free(void *); -extern void qla2x00_sp_timeout(unsigned long); +extern void qla2x00_sp_timeout(struct timer_list *); extern void qla2x00_bsg_job_done(void *, int); extern void qla2x00_bsg_sp_free(void *); extern void qla2x00_start_iocbs(struct scsi_qla_host *, struct req_que *); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index b5b48ddca962..44cf875a484a 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -45,9 +45,9 @@ static void qla24xx_handle_prli_done_event(struct scsi_qla_host *, /* SRB Extensions ---------------------------------------------------------- */ void -qla2x00_sp_timeout(unsigned long __data) +qla2x00_sp_timeout(struct timer_list *t) { - srb_t *sp = (srb_t *)__data; + srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer); struct srb_iocb *iocb; scsi_qla_host_t *vha = sp->vha; struct req_que *req; diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 9a2c86eacf44..17d2c20f1f75 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -269,10 +269,8 @@ qla2x00_rel_sp(srb_t *sp) static inline void qla2x00_init_timer(srb_t *sp, unsigned long tmo) { - init_timer(&sp->u.iocb_cmd.timer); + timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0); sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; - sp->u.iocb_cmd.timer.data = (unsigned long)sp; - sp->u.iocb_cmd.timer.function = qla2x00_sp_timeout; add_timer(&sp->u.iocb_cmd.timer); sp->free = qla2x00_sp_free; if (IS_QLAFX00(sp->vha->hw) && (sp->type == SRB_FXIOCB_DCMD)) diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c0f8f6c17b79..cbf544dbf883 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -487,7 +487,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) atomic_set(&vha->loop_state, LOOP_DOWN); atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); - qla2x00_start_timer(vha, qla2x00_timer, WATCH_INTERVAL); + qla2x00_start_timer(vha, WATCH_INTERVAL); vha->req = base_vha->req; host->can_queue = base_vha->req->length + 128; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 937209805baf..50286cf02eca 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -330,12 +330,10 @@ struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; */ __inline__ void -qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) +qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval) { - init_timer(&vha->timer); + timer_setup(&vha->timer, qla2x00_timer, 0); vha->timer.expires = jiffies + interval * HZ; - vha->timer.data = (unsigned long)vha; - vha->timer.function = (void (*)(unsigned long))func; add_timer(&vha->timer); vha->timer_active = 1; } @@ -3061,6 +3059,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->max_cmd_len, host->max_channel, host->max_lun, host->transportt, sht->vendor_id); + INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn); + /* Set up the irqs */ ret = qla2x00_request_irqs(ha, rsp); if (ret) @@ -3175,8 +3175,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->can_queue, base_vha->req, base_vha->mgmt_svr_loop_id, host->sg_tablesize); - INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn); - if (ha->mqenable) { bool mq = false; bool startit = false; @@ -3212,6 +3210,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ql_log(ql_log_fatal, base_vha, 0x00ed, "Failed to start DPC thread.\n"); ret = PTR_ERR(ha->dpc_thread); + ha->dpc_thread = NULL; goto probe_failed; } ql_dbg(ql_dbg_init, base_vha, 0x00ee, @@ -3246,7 +3245,7 @@ skip_dpc: base_vha->host->irq = ha->pdev->irq; /* Initialized the timer */ - qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL); + qla2x00_start_timer(base_vha, WATCH_INTERVAL); ql_dbg(ql_dbg_init, base_vha, 0x00ef, "Started qla2x00_timer with " "interval=%d.\n", WATCH_INTERVAL); @@ -5995,8 +5994,9 @@ qla2x00_rst_aen(scsi_qla_host_t *vha) * Context: Interrupt ***************************************************************************/ void -qla2x00_timer(scsi_qla_host_t *vha) +qla2x00_timer(struct timer_list *t) { + scsi_qla_host_t *vha = from_timer(vha, t, timer); unsigned long cpu_flags = 0; int start_dpc = 0; int index; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index f05cfc83c9c8..f946bf889015 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -996,7 +996,7 @@ static void qlt_free_session_done(struct work_struct *work) if (logout_started) { bool traced = false; - while (!ACCESS_ONCE(sess->logout_completed)) { + while (!READ_ONCE(sess->logout_completed)) { if (!traced) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf086, "%s: waiting for sess %p logout\n", diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h index 071035dfa99a..7550ba2831c3 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <target/target_core_base.h> #include <linux/btree.h> diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 64c6fa563fdb..2b8a8ce2a431 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3955,16 +3955,15 @@ exit_session_conn_param: /* * Timer routines */ +static void qla4xxx_timer(struct timer_list *t); -static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, +static void qla4xxx_start_timer(struct scsi_qla_host *ha, unsigned long interval) { DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", __func__, ha->host->host_no)); - init_timer(&ha->timer); + timer_setup(&ha->timer, qla4xxx_timer, 0); ha->timer.expires = jiffies + interval * HZ; - ha->timer.data = (unsigned long)ha; - ha->timer.function = (void (*)(unsigned long))func; add_timer(&ha->timer); ha->timer_active = 1; } @@ -4508,8 +4507,9 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) * qla4xxx_timer - checks every second for work to do. * @ha: Pointer to host adapter structure. **/ -static void qla4xxx_timer(struct scsi_qla_host *ha) +static void qla4xxx_timer(struct timer_list *t) { + struct scsi_qla_host *ha = from_timer(ha, t, timer); int start_dpc = 0; uint16_t w; @@ -8805,7 +8805,7 @@ skip_retry_init: ha->isp_ops->enable_intrs(ha); /* Start timer thread. */ - qla4xxx_start_timer(ha, qla4xxx_timer, 1); + qla4xxx_start_timer(ha, 1); set_bit(AF_INIT_DONE, &ha->flags); diff --git a/drivers/scsi/qlogicfas408.h b/drivers/scsi/qlogicfas408.h index f6b1216af79f..a971db11d293 100644 --- a/drivers/scsi/qlogicfas408.h +++ b/drivers/scsi/qlogicfas408.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* to be used by qlogicfas and qlogic_cs */ #ifndef __QLOGICFAS408_H #define __QLOGICFAS408_H diff --git a/drivers/scsi/qlogicpti.h b/drivers/scsi/qlogicpti.h index 892a0b058b99..884ad72ade57 100644 --- a/drivers/scsi/qlogicpti.h +++ b/drivers/scsi/qlogicpti.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* qlogicpti.h: Performance Technologies QlogicISP sbus card defines. * * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) diff --git a/drivers/scsi/scsi.h b/drivers/scsi/scsi.h index d5a55fae60e0..6dcc4c685d1d 100644 --- a/drivers/scsi/scsi.h +++ b/drivers/scsi/scsi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * scsi.h Copyright (C) 1992 Drew Eckhardt * Copyright (C) 1993, 1994, 1995, 1998, 1999 Eric Youngdale diff --git a/drivers/scsi/scsi_common.c b/drivers/scsi/scsi_common.c index a75673bb82b3..40bc616cf8ab 100644 --- a/drivers/scsi/scsi_common.c +++ b/drivers/scsi/scsi_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCSI functions used by both the initiator and the target code. */ diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c index 5e9755008aed..01f08c03f2c1 100644 --- a/drivers/scsi/scsi_debugfs.c +++ b/drivers/scsi/scsi_debugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/seq_file.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_dbg.h> diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index 28fea83ae2fe..6bf43d94cdc0 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/blkdev.h> #include <linux/init.h> diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9cf6a80fe297..bcc1694cebcd 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1379,8 +1379,6 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req) ret = scsi_setup_cmnd(sdev, req); out: - if (ret != BLKPREP_OK) - cmd->flags &= ~SCMD_INITIALIZED; return scsi_prep_return(q, req, ret); } @@ -1900,7 +1898,6 @@ static int scsi_mq_prep_fn(struct request *req) struct scsi_device *sdev = req->q->queuedata; struct Scsi_Host *shost = sdev->host; struct scatterlist *sg; - int ret; scsi_init_command(sdev, cmd); @@ -1934,10 +1931,7 @@ static int scsi_mq_prep_fn(struct request *req) blk_mq_start_request(req); - ret = scsi_setup_cmnd(sdev, req); - if (ret != BLK_STS_OK) - cmd->flags &= ~SCMD_INITIALIZED; - return ret; + return scsi_setup_cmnd(sdev, req); } static void scsi_mq_done(struct scsi_cmnd *cmd) @@ -2691,7 +2685,6 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state) } sdev->sdev_state = state; - sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state"); return 0; illegal: @@ -3115,7 +3108,6 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev, case SDEV_BLOCK: case SDEV_TRANSPORT_OFFLINE: sdev->sdev_state = new_state; - sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state"); break; case SDEV_CREATED_BLOCK: if (new_state == SDEV_TRANSPORT_OFFLINE || @@ -3123,7 +3115,6 @@ int scsi_internal_device_unblock_nowait(struct scsi_device *sdev, sdev->sdev_state = new_state; else sdev->sdev_state = SDEV_CREATED; - sysfs_notify(&sdev->sdev_gendev.kobj, NULL, "state"); break; case SDEV_CANCEL: case SDEV_OFFLINE: diff --git a/drivers/scsi/scsi_lib_dma.c b/drivers/scsi/scsi_lib_dma.c index 2ac3f3975f78..5723915275ad 100644 --- a/drivers/scsi/scsi_lib_dma.c +++ b/drivers/scsi/scsi_lib_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SCSI library functions depending on DMA */ diff --git a/drivers/scsi/scsi_logging.h b/drivers/scsi/scsi_logging.h index 7fe64a847143..6907c924df72 100644 --- a/drivers/scsi/scsi_logging.h +++ b/drivers/scsi/scsi_logging.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SCSI_LOGGING_H #define _SCSI_LOGGING_H diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 5c6d016a5ae9..d7669caa9893 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SCSI_PRIV_H #define _SCSI_PRIV_H diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index 480a597b3877..7f0ceb65c3f3 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/scsi/scsi_proc.c * diff --git a/drivers/scsi/scsi_sas_internal.h b/drivers/scsi/scsi_sas_internal.h index e659912498bd..82fd548c5eee 100644 --- a/drivers/scsi/scsi_sas_internal.h +++ b/drivers/scsi/scsi_sas_internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SCSI_SAS_INTERNAL_H #define _SCSI_SAS_INTERNAL_H diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 15590a063ad9..40124648a07b 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * scsi_scan.c * diff --git a/drivers/scsi/scsi_transport_api.h b/drivers/scsi/scsi_transport_api.h index 934f0e62bb5c..f917766537c0 100644 --- a/drivers/scsi/scsi_transport_api.h +++ b/drivers/scsi/scsi_transport_api.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SCSI_TRANSPORT_API_H #define _SCSI_TRANSPORT_API_H diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c index 4f6f01cf9968..36f6190931bc 100644 --- a/drivers/scsi/scsi_transport_srp.c +++ b/drivers/scsi/scsi_transport_srp.c @@ -556,11 +556,8 @@ int srp_reconnect_rport(struct srp_rport *rport) */ shost_for_each_device(sdev, shost) { mutex_lock(&sdev->state_mutex); - if (sdev->sdev_state == SDEV_OFFLINE) { + if (sdev->sdev_state == SDEV_OFFLINE) sdev->sdev_state = SDEV_RUNNING; - sysfs_notify(&sdev->sdev_gendev.kobj, - NULL, "state"); - } mutex_unlock(&sdev->state_mutex); } } else if (rport->state == SRP_RPORT_RUNNING) { diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c index 31273468589c..e969138051c7 100644 --- a/drivers/scsi/scsicam.c +++ b/drivers/scsi/scsicam.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * scsicam.c - SCSI CAM support functions, use for HDIO_GETGEO, etc. * diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 99c4dde9b6bf..320de758323e 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SCSI_DISK_H #define _SCSI_DISK_H diff --git a/drivers/scsi/sense_codes.h b/drivers/scsi/sense_codes.h index e4e1dccd1f2f..201a536688de 100644 --- a/drivers/scsi/sense_codes.h +++ b/drivers/scsi/sense_codes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * The canonical list of T10 Additional Sense Codes is available at: * http://www.t10.org/lists/asc-num.txt [most recent: 20141221] diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 0419c2298eab..aa28874e8fb9 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -837,7 +837,7 @@ sg_fill_request_table(Sg_fd *sfp, sg_req_info_t *rinfo) val = 0; list_for_each_entry(srp, &sfp->rq_list, entry) { - if (val > SG_MAX_QUEUE) + if (val >= SG_MAX_QUEUE) break; rinfo[val].req_state = srp->done + 1; rinfo[val].problem = diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 83bdbd84eb01..90f6effc32b4 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2860,11 +2860,12 @@ out: #define PQI_HEARTBEAT_TIMER_INTERVAL (10 * HZ) -static void pqi_heartbeat_timer_handler(unsigned long data) +static void pqi_heartbeat_timer_handler(struct timer_list *t) { int num_interrupts; u32 heartbeat_count; - struct pqi_ctrl_info *ctrl_info = (struct pqi_ctrl_info *)data; + struct pqi_ctrl_info *ctrl_info = from_timer(ctrl_info, t, + heartbeat_timer); pqi_check_ctrl_health(ctrl_info); if (pqi_ctrl_offline(ctrl_info)) @@ -2902,8 +2903,6 @@ static void pqi_start_heartbeat_timer(struct pqi_ctrl_info *ctrl_info) ctrl_info->heartbeat_timer.expires = jiffies + PQI_HEARTBEAT_TIMER_INTERVAL; - ctrl_info->heartbeat_timer.data = (unsigned long)ctrl_info; - ctrl_info->heartbeat_timer.function = pqi_heartbeat_timer_handler; add_timer(&ctrl_info->heartbeat_timer); } @@ -6465,7 +6464,7 @@ static struct pqi_ctrl_info *pqi_alloc_ctrl_info(int numa_node) INIT_DELAYED_WORK(&ctrl_info->rescan_work, pqi_rescan_worker); INIT_DELAYED_WORK(&ctrl_info->update_time_work, pqi_update_time_worker); - init_timer(&ctrl_info->heartbeat_timer); + timer_setup(&ctrl_info->heartbeat_timer, pqi_heartbeat_timer_handler, 0); INIT_WORK(&ctrl_info->ctrl_offline_work, pqi_ctrl_offline_worker); sema_init(&ctrl_info->sync_request_sem, diff --git a/drivers/scsi/snic/Makefile b/drivers/scsi/snic/Makefile index ef7c0dd47f40..41546e3cb701 100644 --- a/drivers/scsi/snic/Makefile +++ b/drivers/scsi/snic/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SCSI_SNIC) += snic.o snic-y := \ diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h index 1de33719ad8e..a2bb7b8bace5 100644 --- a/drivers/scsi/sr.h +++ b/drivers/scsi/sr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * sr.h by David Giller * CD-ROM disk driver header file diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index 4610c8c5693f..2a21f2d48592 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/mm.h> #include <linux/fs.h> diff --git a/drivers/scsi/sr_vendor.c b/drivers/scsi/sr_vendor.c index 11a238cb2222..e3b0ce25162b 100644 --- a/drivers/scsi/sr_vendor.c +++ b/drivers/scsi/sr_vendor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* -*-linux-c-*- * vendor-specific code for SCSI CD-ROM's goes here. diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h index 8c732c8de015..95d2e7a7988d 100644 --- a/drivers/scsi/st.h +++ b/drivers/scsi/st.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ST_H #define _ST_H diff --git a/drivers/scsi/st_options.h b/drivers/scsi/st_options.h index d2f947935554..2b6cabd7b6aa 100644 --- a/drivers/scsi/st_options.h +++ b/drivers/scsi/st_options.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* The compile-time configurable defaults for the Linux SCSI tape driver. diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile index 6e77cb0bfee9..9310c6c83041 100644 --- a/drivers/scsi/ufs/Makefile +++ b/drivers/scsi/ufs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # UFSHCD makefile obj-$(CONFIG_SCSI_UFS_DWC_TC_PCI) += tc-dwc-g210-pci.o ufshcd-dwc.o tc-dwc-g210.o obj-$(CONFIG_SCSI_UFS_DWC_TC_PLATFORM) += tc-dwc-g210-pltfrm.o ufshcd-dwc.o tc-dwc-g210.o diff --git a/drivers/scsi/wd719x.h b/drivers/scsi/wd719x.h index 9c6dd45f95f5..0455b1633ca7 100644 --- a/drivers/scsi/wd719x.h +++ b/drivers/scsi/wd719x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _WD719X_H_ #define _WD719X_H_ diff --git a/drivers/sh/Makefile b/drivers/sh/Makefile index 114203f32843..c53262835e85 100644 --- a/drivers/sh/Makefile +++ b/drivers/sh/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the SuperH specific drivers. # diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h index 6ce7f0d26dcf..fa73c173b56a 100644 --- a/drivers/sh/intc/internals.h +++ b/drivers/sh/intc/internals.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/sh_intc.h> #include <linux/irq.h> #include <linux/irqdomain.h> diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile index 2fcaff864584..36dec140ea0d 100644 --- a/drivers/soc/Makefile +++ b/drivers/soc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Linux Kernel SOC specific device drivers. # diff --git a/drivers/soc/dove/pmu.c b/drivers/soc/dove/pmu.c index 95d77ec5c5d7..5abb08ffb74d 100644 --- a/drivers/soc/dove/pmu.c +++ b/drivers/soc/dove/pmu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Marvell Dove PMU support */ diff --git a/drivers/soc/fsl/qbman/Makefile b/drivers/soc/fsl/qbman/Makefile index 7ae199f1664e..363982b83ab5 100644 --- a/drivers/soc/fsl/qbman/Makefile +++ b/drivers/soc/fsl/qbman/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FSL_DPAA) += bman_ccsr.o qman_ccsr.o \ bman_portal.o qman_portal.o \ bman.o qman.o diff --git a/drivers/soc/fsl/qe/Makefile b/drivers/soc/fsl/qe/Makefile index 2031d385bc7e..55a555304f3a 100644 --- a/drivers/soc/fsl/qe/Makefile +++ b/drivers/soc/fsl/qe/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the linux ppc-specific parts of QE # diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index e1ce8b1b5090..e570b6af2e6f 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -361,17 +361,6 @@ out: return ret; } -static bool scpsys_active_wakeup(struct device *dev) -{ - struct generic_pm_domain *genpd; - struct scp_domain *scpd; - - genpd = pd_to_genpd(dev->pm_domain); - scpd = container_of(genpd, struct scp_domain, genpd); - - return scpd->data->active_wakeup; -} - static void init_clks(struct platform_device *pdev, struct clk **clk) { int i; @@ -466,7 +455,8 @@ static struct scp *init_scp(struct platform_device *pdev, genpd->name = data->name; genpd->power_off = scpsys_power_off; genpd->power_on = scpsys_power_on; - genpd->dev_ops.active_wakeup = scpsys_active_wakeup; + if (scpd->data->active_wakeup) + genpd->flags |= GENPD_FLAG_ACTIVE_WAKEUP; } return scp; diff --git a/drivers/soc/qcom/Makefile b/drivers/soc/qcom/Makefile index f151de41eb93..fab44666b214 100644 --- a/drivers/soc/qcom/Makefile +++ b/drivers/soc/qcom/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_QCOM_GLINK_SSR) += glink_ssr.o obj-$(CONFIG_QCOM_GSBI) += qcom_gsbi.o obj-$(CONFIG_QCOM_MDT_LOADER) += mdt_loader.o diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile index 6b6e7f16104c..763c03d80436 100644 --- a/drivers/soc/renesas/Makefile +++ b/drivers/soc/renesas/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Generic, must be first because of soc_device_register() obj-$(CONFIG_SOC_RENESAS) += renesas-soc.o diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 40b75748835f..5c342167b9db 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -358,17 +358,6 @@ static void rockchip_pd_detach_dev(struct generic_pm_domain *genpd, pm_clk_destroy(dev); } -static bool rockchip_active_wakeup(struct device *dev) -{ - struct generic_pm_domain *genpd; - struct rockchip_pm_domain *pd; - - genpd = pd_to_genpd(dev->pm_domain); - pd = container_of(genpd, struct rockchip_pm_domain, genpd); - - return pd->info->active_wakeup; -} - static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu, struct device_node *node) { @@ -489,8 +478,9 @@ static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu, pd->genpd.power_on = rockchip_pd_power_on; pd->genpd.attach_dev = rockchip_pd_attach_dev; pd->genpd.detach_dev = rockchip_pd_detach_dev; - pd->genpd.dev_ops.active_wakeup = rockchip_active_wakeup; pd->genpd.flags = GENPD_FLAG_PM_CLK; + if (pd_info->active_wakeup) + pd->genpd.flags |= GENPD_FLAG_ACTIVE_WAKEUP; pm_genpd_init(&pd->genpd, NULL, false); pmu->genpd_data.domains[id] = &pd->genpd; diff --git a/drivers/soc/tegra/Makefile b/drivers/soc/tegra/Makefile index 0e52b45721ac..482e108d28aa 100644 --- a/drivers/soc/tegra/Makefile +++ b/drivers/soc/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += fuse/ obj-y += common.o diff --git a/drivers/soc/tegra/fuse/Makefile b/drivers/soc/tegra/fuse/Makefile index 21bc27580178..ea8332cc3980 100644 --- a/drivers/soc/tegra/fuse/Makefile +++ b/drivers/soc/tegra/fuse/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += fuse-tegra.o obj-y += fuse-tegra30.o obj-y += tegra-apbmisc.o diff --git a/drivers/soc/ti/Makefile b/drivers/soc/ti/Makefile index 7d572736c86e..8e205287f120 100644 --- a/drivers/soc/ti/Makefile +++ b/drivers/soc/ti/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # TI Keystone SOC drivers # diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index a75f2a2cf780..603783976b81 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -1,10 +1,6 @@ # # SPI driver configuration # -# NOTE: the reason this doesn't show SPI slave support is mostly that -# nobody's needed a slave side API yet. The master-role API is not -# fully appropriate there, so it'd need some thought to do well. -# menuconfig SPI bool "SPI support" depends on HAS_IOMEM @@ -379,7 +375,7 @@ config SPI_FSL_DSPI tristate "Freescale DSPI controller" select REGMAP_MMIO depends on HAS_DMA - depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST + depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || M5441x || COMPILE_TEST help This enables support for the Freescale DSPI controller in master mode. VF610 platform uses the controller. @@ -626,6 +622,13 @@ config SPI_SIRF help SPI driver for CSR SiRFprimaII SoCs +config SPI_SPRD_ADI + tristate "Spreadtrum ADI controller" + depends on ARCH_SPRD || COMPILE_TEST + depends on HWSPINLOCK || (COMPILE_TEST && !HWSPINLOCK) + help + ADI driver based on SPI for Spreadtrum SoCs. + config SPI_STM32 tristate "STMicroelectronics STM32 SPI controller" depends on ARCH_STM32 || COMPILE_TEST diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index a3ae2b70cdc3..34c5f2832ddf 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for kernel SPI drivers. # @@ -90,6 +91,7 @@ obj-$(CONFIG_SPI_SH_HSPI) += spi-sh-hspi.o obj-$(CONFIG_SPI_SH_MSIOF) += spi-sh-msiof.o obj-$(CONFIG_SPI_SH_SCI) += spi-sh-sci.o obj-$(CONFIG_SPI_SIRF) += spi-sirf.o +obj-$(CONFIG_SPI_SPRD_ADI) += spi-sprd-adi.o obj-$(CONFIG_SPI_STM32) += spi-stm32.o obj-$(CONFIG_SPI_ST_SSC4) += spi-st-ssc4.o obj-$(CONFIG_SPI_SUN4I) += spi-sun4i.o diff --git a/drivers/spi/spi-armada-3700.c b/drivers/spi/spi-armada-3700.c index 6c7d7a460689..77fe55ce790c 100644 --- a/drivers/spi/spi-armada-3700.c +++ b/drivers/spi/spi-armada-3700.c @@ -99,11 +99,6 @@ /* A3700_SPI_IF_TIME_REG */ #define A3700_SPI_CLK_CAPT_EDGE BIT(7) -/* Flags and macros for struct a3700_spi */ -#define A3700_INSTR_CNT 1 -#define A3700_ADDR_CNT 3 -#define A3700_DUMMY_CNT 1 - struct a3700_spi { struct spi_master *master; void __iomem *base; @@ -117,9 +112,6 @@ struct a3700_spi { u8 byte_len; u32 wait_mask; struct completion done; - u32 addr_cnt; - u32 instr_cnt; - size_t hdr_cnt; }; static u32 spireg_read(struct a3700_spi *a3700_spi, u32 offset) @@ -161,7 +153,7 @@ static void a3700_spi_deactivate_cs(struct a3700_spi *a3700_spi, } static int a3700_spi_pin_mode_set(struct a3700_spi *a3700_spi, - unsigned int pin_mode) + unsigned int pin_mode, bool receiving) { u32 val; @@ -177,6 +169,9 @@ static int a3700_spi_pin_mode_set(struct a3700_spi *a3700_spi, break; case SPI_NBITS_QUAD: val |= A3700_SPI_DATA_PIN1; + /* RX during address reception uses 4-pin */ + if (receiving) + val |= A3700_SPI_ADDR_PIN; break; default: dev_err(&a3700_spi->master->dev, "wrong pin mode %u", pin_mode); @@ -218,7 +213,7 @@ static void a3700_spi_mode_set(struct a3700_spi *a3700_spi, } static void a3700_spi_clock_set(struct a3700_spi *a3700_spi, - unsigned int speed_hz, u16 mode) + unsigned int speed_hz) { u32 val; u32 prescale; @@ -236,17 +231,6 @@ static void a3700_spi_clock_set(struct a3700_spi *a3700_spi, val |= A3700_SPI_CLK_CAPT_EDGE; spireg_write(a3700_spi, A3700_SPI_IF_TIME_REG, val); } - - val = spireg_read(a3700_spi, A3700_SPI_IF_CFG_REG); - val &= ~(A3700_SPI_CLK_POL | A3700_SPI_CLK_PHA); - - if (mode & SPI_CPOL) - val |= A3700_SPI_CLK_POL; - - if (mode & SPI_CPHA) - val |= A3700_SPI_CLK_PHA; - - spireg_write(a3700_spi, A3700_SPI_IF_CFG_REG, val); } static void a3700_spi_bytelen_set(struct a3700_spi *a3700_spi, unsigned int len) @@ -392,7 +376,8 @@ static bool a3700_spi_wait_completion(struct spi_device *spi) spireg_write(a3700_spi, A3700_SPI_INT_MASK_REG, 0); - return true; + /* Timeout was reached */ + return false; } static bool a3700_spi_transfer_wait(struct spi_device *spi, @@ -427,7 +412,7 @@ static void a3700_spi_transfer_setup(struct spi_device *spi, a3700_spi = spi_master_get_devdata(spi->master); - a3700_spi_clock_set(a3700_spi, xfer->speed_hz, spi->mode); + a3700_spi_clock_set(a3700_spi, xfer->speed_hz); byte_len = xfer->bits_per_word >> 3; @@ -446,59 +431,43 @@ static void a3700_spi_set_cs(struct spi_device *spi, bool enable) static void a3700_spi_header_set(struct a3700_spi *a3700_spi) { - u32 instr_cnt = 0, addr_cnt = 0, dummy_cnt = 0; + unsigned int addr_cnt; u32 val = 0; /* Clear the header registers */ spireg_write(a3700_spi, A3700_SPI_IF_INST_REG, 0); spireg_write(a3700_spi, A3700_SPI_IF_ADDR_REG, 0); spireg_write(a3700_spi, A3700_SPI_IF_RMODE_REG, 0); + spireg_write(a3700_spi, A3700_SPI_IF_HDR_CNT_REG, 0); /* Set header counters */ if (a3700_spi->tx_buf) { - if (a3700_spi->buf_len <= a3700_spi->instr_cnt) { - instr_cnt = a3700_spi->buf_len; - } else if (a3700_spi->buf_len <= (a3700_spi->instr_cnt + - a3700_spi->addr_cnt)) { - instr_cnt = a3700_spi->instr_cnt; - addr_cnt = a3700_spi->buf_len - instr_cnt; - } else if (a3700_spi->buf_len <= a3700_spi->hdr_cnt) { - instr_cnt = a3700_spi->instr_cnt; - addr_cnt = a3700_spi->addr_cnt; - /* Need to handle the normal write case with 1 byte - * data - */ - if (!a3700_spi->tx_buf[instr_cnt + addr_cnt]) - dummy_cnt = a3700_spi->buf_len - instr_cnt - - addr_cnt; + /* + * when tx data is not 4 bytes aligned, there will be unexpected + * bytes out of SPI output register, since it always shifts out + * as whole 4 bytes. This might cause incorrect transaction with + * some devices. To avoid that, use SPI header count feature to + * transfer up to 3 bytes of data first, and then make the rest + * of data 4-byte aligned. + */ + addr_cnt = a3700_spi->buf_len % 4; + if (addr_cnt) { + val = (addr_cnt & A3700_SPI_ADDR_CNT_MASK) + << A3700_SPI_ADDR_CNT_BIT; + spireg_write(a3700_spi, A3700_SPI_IF_HDR_CNT_REG, val); + + /* Update the buffer length to be transferred */ + a3700_spi->buf_len -= addr_cnt; + + /* transfer 1~3 bytes through address count */ + val = 0; + while (addr_cnt--) { + val = (val << 8) | a3700_spi->tx_buf[0]; + a3700_spi->tx_buf++; + } + spireg_write(a3700_spi, A3700_SPI_IF_ADDR_REG, val); } - val |= ((instr_cnt & A3700_SPI_INSTR_CNT_MASK) - << A3700_SPI_INSTR_CNT_BIT); - val |= ((addr_cnt & A3700_SPI_ADDR_CNT_MASK) - << A3700_SPI_ADDR_CNT_BIT); - val |= ((dummy_cnt & A3700_SPI_DUMMY_CNT_MASK) - << A3700_SPI_DUMMY_CNT_BIT); - } - spireg_write(a3700_spi, A3700_SPI_IF_HDR_CNT_REG, val); - - /* Update the buffer length to be transferred */ - a3700_spi->buf_len -= (instr_cnt + addr_cnt + dummy_cnt); - - /* Set Instruction */ - val = 0; - while (instr_cnt--) { - val = (val << 8) | a3700_spi->tx_buf[0]; - a3700_spi->tx_buf++; } - spireg_write(a3700_spi, A3700_SPI_IF_INST_REG, val); - - /* Set Address */ - val = 0; - while (addr_cnt--) { - val = (val << 8) | a3700_spi->tx_buf[0]; - a3700_spi->tx_buf++; - } - spireg_write(a3700_spi, A3700_SPI_IF_ADDR_REG, val); } static int a3700_is_wfifo_full(struct a3700_spi *a3700_spi) @@ -512,35 +481,12 @@ static int a3700_is_wfifo_full(struct a3700_spi *a3700_spi) static int a3700_spi_fifo_write(struct a3700_spi *a3700_spi) { u32 val; - int i = 0; while (!a3700_is_wfifo_full(a3700_spi) && a3700_spi->buf_len) { - val = 0; - if (a3700_spi->buf_len >= 4) { - val = cpu_to_le32(*(u32 *)a3700_spi->tx_buf); - spireg_write(a3700_spi, A3700_SPI_DATA_OUT_REG, val); - - a3700_spi->buf_len -= 4; - a3700_spi->tx_buf += 4; - } else { - /* - * If the remained buffer length is less than 4-bytes, - * we should pad the write buffer with all ones. So that - * it avoids overwrite the unexpected bytes following - * the last one. - */ - val = GENMASK(31, 0); - while (a3700_spi->buf_len) { - val &= ~(0xff << (8 * i)); - val |= *a3700_spi->tx_buf++ << (8 * i); - i++; - a3700_spi->buf_len--; - - spireg_write(a3700_spi, A3700_SPI_DATA_OUT_REG, - val); - } - break; - } + val = cpu_to_le32(*(u32 *)a3700_spi->tx_buf); + spireg_write(a3700_spi, A3700_SPI_DATA_OUT_REG, val); + a3700_spi->buf_len -= 4; + a3700_spi->tx_buf += 4; } return 0; @@ -627,6 +573,8 @@ static int a3700_spi_prepare_message(struct spi_master *master, a3700_spi_bytelen_set(a3700_spi, 4); + a3700_spi_mode_set(a3700_spi, spi->mode); + return 0; } @@ -645,15 +593,18 @@ static int a3700_spi_transfer_one(struct spi_master *master, a3700_spi->rx_buf = xfer->rx_buf; a3700_spi->buf_len = xfer->len; - /* SPI transfer headers */ - a3700_spi_header_set(a3700_spi); - if (xfer->tx_buf) nbits = xfer->tx_nbits; else if (xfer->rx_buf) nbits = xfer->rx_nbits; - a3700_spi_pin_mode_set(a3700_spi, nbits); + a3700_spi_pin_mode_set(a3700_spi, nbits, xfer->rx_buf ? true : false); + + /* Flush the FIFOs */ + a3700_spi_fifo_flush(a3700_spi); + + /* Transfer first bytes of data when buffer is not 4-byte aligned */ + a3700_spi_header_set(a3700_spi); if (xfer->rx_buf) { /* Set read data length */ @@ -733,16 +684,11 @@ static int a3700_spi_transfer_one(struct spi_master *master, dev_err(&spi->dev, "wait wfifo empty timed out\n"); return -ETIMEDOUT; } - } else { - /* - * If the instruction in SPI_INSTR does not require data - * to be written to the SPI device, wait until SPI_RDY - * is 1 for the SPI interface to be in idle. - */ - if (!a3700_spi_transfer_wait(spi, A3700_SPI_XFER_RDY)) { - dev_err(&spi->dev, "wait xfer ready timed out\n"); - return -ETIMEDOUT; - } + } + + if (!a3700_spi_transfer_wait(spi, A3700_SPI_XFER_RDY)) { + dev_err(&spi->dev, "wait xfer ready timed out\n"); + return -ETIMEDOUT; } val = spireg_read(a3700_spi, A3700_SPI_IF_CFG_REG); @@ -834,10 +780,6 @@ static int a3700_spi_probe(struct platform_device *pdev) memset(spi, 0, sizeof(struct a3700_spi)); spi->master = master; - spi->instr_cnt = A3700_INSTR_CNT; - spi->addr_cnt = A3700_ADDR_CNT; - spi->hdr_cnt = A3700_INSTR_CNT + A3700_ADDR_CNT + - A3700_DUMMY_CNT; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); spi->base = devm_ioremap_resource(dev, res); diff --git a/drivers/spi/spi-axi-spi-engine.c b/drivers/spi/spi-axi-spi-engine.c index 6ab4c7700228..68cfc351b47f 100644 --- a/drivers/spi/spi-axi-spi-engine.c +++ b/drivers/spi/spi-axi-spi-engine.c @@ -553,7 +553,7 @@ err_put_master: static int spi_engine_remove(struct platform_device *pdev) { - struct spi_master *master = platform_get_drvdata(pdev); + struct spi_master *master = spi_master_get(platform_get_drvdata(pdev)); struct spi_engine *spi_engine = spi_master_get_devdata(master); int irq = platform_get_irq(pdev, 0); @@ -561,6 +561,8 @@ static int spi_engine_remove(struct platform_device *pdev) free_irq(irq, master); + spi_master_put(master); + writel_relaxed(0xff, spi_engine->base + SPI_ENGINE_REG_INT_PENDING); writel_relaxed(0x00, spi_engine->base + SPI_ENGINE_REG_INT_ENABLE); writel_relaxed(0x01, spi_engine->base + SPI_ENGINE_REG_RESET); diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 6ef6c44f39f5..a172ab299e80 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -1250,7 +1250,7 @@ int bcm_qspi_probe(struct platform_device *pdev, goto qspi_probe_err; } } else { - goto qspi_probe_err; + goto qspi_resource_err; } res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "bspi"); @@ -1272,7 +1272,7 @@ int bcm_qspi_probe(struct platform_device *pdev, qspi->base[CHIP_SELECT] = devm_ioremap_resource(dev, res); if (IS_ERR(qspi->base[CHIP_SELECT])) { ret = PTR_ERR(qspi->base[CHIP_SELECT]); - goto qspi_probe_err; + goto qspi_resource_err; } } @@ -1280,7 +1280,7 @@ int bcm_qspi_probe(struct platform_device *pdev, GFP_KERNEL); if (!qspi->dev_ids) { ret = -ENOMEM; - goto qspi_probe_err; + goto qspi_resource_err; } for (val = 0; val < num_irqs; val++) { @@ -1369,8 +1369,9 @@ qspi_reg_err: bcm_qspi_hw_uninit(qspi); clk_disable_unprepare(qspi->clk); qspi_probe_err: - spi_master_put(master); kfree(qspi->dev_ids); +qspi_resource_err: + spi_master_put(master); return ret; } /* probe function to be called by SoC specific platform driver probe */ diff --git a/drivers/spi/spi-bcm53xx.h b/drivers/spi/spi-bcm53xx.h index 73575dfe6916..03e3442086ec 100644 --- a/drivers/spi/spi-bcm53xx.h +++ b/drivers/spi/spi-bcm53xx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SPI_BCM53XX_H #define SPI_BCM53XX_H diff --git a/drivers/spi/spi-bitbang-txrx.h b/drivers/spi/spi-bitbang-txrx.h index 47bb9b898dfd..ae61d72c7d28 100644 --- a/drivers/spi/spi-bitbang-txrx.h +++ b/drivers/spi/spi-bitbang-txrx.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Mix this utility code with some glue code to get one of several types of * simple SPI master driver. Two do polled word-at-a-time I/O: diff --git a/drivers/spi/spi-cavium.h b/drivers/spi/spi-cavium.h index 1f91d61b745b..1f3ac463a20b 100644 --- a/drivers/spi/spi-cavium.h +++ b/drivers/spi/spi-cavium.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __SPI_CAVIUM_H #define __SPI_CAVIUM_H diff --git a/drivers/spi/spi-dw.h b/drivers/spi/spi-dw.h index da5eab62df34..5c07cf8f19e0 100644 --- a/drivers/spi/spi-dw.h +++ b/drivers/spi/spi-dw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DW_SPI_HEADER_H #define DW_SPI_HEADER_H diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index d89127f4a46d..f652f70cb8db 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -32,6 +32,7 @@ #include <linux/regmap.h> #include <linux/sched.h> #include <linux/spi/spi.h> +#include <linux/spi/spi-fsl-dspi.h> #include <linux/spi/spi_bitbang.h> #include <linux/time.h> @@ -151,6 +152,11 @@ static const struct fsl_dspi_devtype_data ls2085a_data = { .max_clock_factor = 8, }; +static const struct fsl_dspi_devtype_data coldfire_data = { + .trans_mode = DSPI_EOQ_MODE, + .max_clock_factor = 8, +}; + struct fsl_dspi_dma { /* Length of transfer in words of DSPI_FIFO_SIZE */ u32 curr_xfer_len; @@ -741,6 +747,7 @@ static int dspi_setup(struct spi_device *spi) { struct chip_data *chip; struct fsl_dspi *dspi = spi_master_get_devdata(spi->master); + struct fsl_dspi_platform_data *pdata; u32 cs_sck_delay = 0, sck_cs_delay = 0; unsigned char br = 0, pbr = 0, pcssck = 0, cssck = 0; unsigned char pasc = 0, asc = 0, fmsz = 0; @@ -761,11 +768,18 @@ static int dspi_setup(struct spi_device *spi) return -ENOMEM; } - of_property_read_u32(spi->dev.of_node, "fsl,spi-cs-sck-delay", - &cs_sck_delay); + pdata = dev_get_platdata(&dspi->pdev->dev); - of_property_read_u32(spi->dev.of_node, "fsl,spi-sck-cs-delay", - &sck_cs_delay); + if (!pdata) { + of_property_read_u32(spi->dev.of_node, "fsl,spi-cs-sck-delay", + &cs_sck_delay); + + of_property_read_u32(spi->dev.of_node, "fsl,spi-sck-cs-delay", + &sck_cs_delay); + } else { + cs_sck_delay = pdata->cs_sck_delay; + sck_cs_delay = pdata->sck_cs_delay; + } chip->mcr_val = SPI_MCR_MASTER | SPI_MCR_PCSIS | SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF; @@ -949,6 +963,7 @@ static int dspi_probe(struct platform_device *pdev) struct fsl_dspi *dspi; struct resource *res; void __iomem *base; + struct fsl_dspi_platform_data *pdata; int ret = 0, cs_num, bus_num; master = spi_alloc_master(&pdev->dev, sizeof(struct fsl_dspi)); @@ -969,25 +984,34 @@ static int dspi_probe(struct platform_device *pdev) master->bits_per_word_mask = SPI_BPW_MASK(4) | SPI_BPW_MASK(8) | SPI_BPW_MASK(16); - ret = of_property_read_u32(np, "spi-num-chipselects", &cs_num); - if (ret < 0) { - dev_err(&pdev->dev, "can't get spi-num-chipselects\n"); - goto out_master_put; - } - master->num_chipselect = cs_num; + pdata = dev_get_platdata(&pdev->dev); + if (pdata) { + master->num_chipselect = pdata->cs_num; + master->bus_num = pdata->bus_num; - ret = of_property_read_u32(np, "bus-num", &bus_num); - if (ret < 0) { - dev_err(&pdev->dev, "can't get bus-num\n"); - goto out_master_put; - } - master->bus_num = bus_num; + dspi->devtype_data = &coldfire_data; + } else { - dspi->devtype_data = of_device_get_match_data(&pdev->dev); - if (!dspi->devtype_data) { - dev_err(&pdev->dev, "can't get devtype_data\n"); - ret = -EFAULT; - goto out_master_put; + ret = of_property_read_u32(np, "spi-num-chipselects", &cs_num); + if (ret < 0) { + dev_err(&pdev->dev, "can't get spi-num-chipselects\n"); + goto out_master_put; + } + master->num_chipselect = cs_num; + + ret = of_property_read_u32(np, "bus-num", &bus_num); + if (ret < 0) { + dev_err(&pdev->dev, "can't get bus-num\n"); + goto out_master_put; + } + master->bus_num = bus_num; + + dspi->devtype_data = of_device_get_match_data(&pdev->dev); + if (!dspi->devtype_data) { + dev_err(&pdev->dev, "can't get devtype_data\n"); + ret = -EFAULT; + goto out_master_put; + } } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index babb15f07995..79ddefe4180d 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -53,10 +53,13 @@ /* generic defines to abstract from the different register layouts */ #define MXC_INT_RR (1 << 0) /* Receive data ready interrupt */ #define MXC_INT_TE (1 << 1) /* Transmit FIFO empty interrupt */ +#define MXC_INT_RDR BIT(4) /* Receive date threshold interrupt */ /* The maximum bytes that a sdma BD can transfer.*/ #define MAX_SDMA_BD_BYTES (1 << 15) #define MX51_ECSPI_CTRL_MAX_BURST 512 +/* The maximum bytes that IMX53_ECSPI can transfer in slave mode.*/ +#define MX53_MAX_TRANSFER_BYTES 512 enum spi_imx_devtype { IMX1_CSPI, @@ -76,7 +79,9 @@ struct spi_imx_devtype_data { void (*trigger)(struct spi_imx_data *); int (*rx_available)(struct spi_imx_data *); void (*reset)(struct spi_imx_data *); + void (*disable)(struct spi_imx_data *); bool has_dmamode; + bool has_slavemode; unsigned int fifo_size; bool dynamic_burst; enum spi_imx_devtype devtype; @@ -108,6 +113,11 @@ struct spi_imx_data { unsigned int dynamic_burst, read_u32; unsigned int word_mask; + /* Slave mode */ + bool slave_mode; + bool slave_aborted; + unsigned int slave_burst; + /* DMA */ bool usedma; u32 wml; @@ -221,6 +231,9 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, if (!master->dma_rx) return false; + if (spi_imx->slave_mode) + return false; + bytes_per_word = spi_imx_bytes_per_word(transfer->bits_per_word); if (bytes_per_word != 1 && bytes_per_word != 2 && bytes_per_word != 4) @@ -262,6 +275,7 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, #define MX51_ECSPI_INT 0x10 #define MX51_ECSPI_INT_TEEN (1 << 0) #define MX51_ECSPI_INT_RREN (1 << 3) +#define MX51_ECSPI_INT_RDREN (1 << 4) #define MX51_ECSPI_DMA 0x14 #define MX51_ECSPI_DMA_TX_WML(wml) ((wml) & 0x3f) @@ -378,6 +392,44 @@ static void spi_imx_buf_tx_swap(struct spi_imx_data *spi_imx) spi_imx_buf_tx_u16(spi_imx); } +static void mx53_ecspi_rx_slave(struct spi_imx_data *spi_imx) +{ + u32 val = be32_to_cpu(readl(spi_imx->base + MXC_CSPIRXDATA)); + + if (spi_imx->rx_buf) { + int n_bytes = spi_imx->slave_burst % sizeof(val); + + if (!n_bytes) + n_bytes = sizeof(val); + + memcpy(spi_imx->rx_buf, + ((u8 *)&val) + sizeof(val) - n_bytes, n_bytes); + + spi_imx->rx_buf += n_bytes; + spi_imx->slave_burst -= n_bytes; + } +} + +static void mx53_ecspi_tx_slave(struct spi_imx_data *spi_imx) +{ + u32 val = 0; + int n_bytes = spi_imx->count % sizeof(val); + + if (!n_bytes) + n_bytes = sizeof(val); + + if (spi_imx->tx_buf) { + memcpy(((u8 *)&val) + sizeof(val) - n_bytes, + spi_imx->tx_buf, n_bytes); + val = cpu_to_be32(val); + spi_imx->tx_buf += n_bytes; + } + + spi_imx->count -= n_bytes; + + writel(val, spi_imx->base + MXC_CSPITXDATA); +} + /* MX51 eCSPI */ static unsigned int mx51_ecspi_clkdiv(struct spi_imx_data *spi_imx, unsigned int fspi, unsigned int *fres) @@ -427,6 +479,9 @@ static void mx51_ecspi_intctrl(struct spi_imx_data *spi_imx, int enable) if (enable & MXC_INT_RR) val |= MX51_ECSPI_INT_RREN; + if (enable & MXC_INT_RDR) + val |= MX51_ECSPI_INT_RDREN; + writel(val, spi_imx->base + MX51_ECSPI_INT); } @@ -439,6 +494,15 @@ static void mx51_ecspi_trigger(struct spi_imx_data *spi_imx) writel(reg, spi_imx->base + MX51_ECSPI_CTRL); } +static void mx51_ecspi_disable(struct spi_imx_data *spi_imx) +{ + u32 ctrl; + + ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL); + ctrl &= ~MX51_ECSPI_CTRL_ENABLE; + writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL); +} + static int mx51_ecspi_config(struct spi_device *spi) { struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); @@ -446,14 +510,11 @@ static int mx51_ecspi_config(struct spi_device *spi) u32 clk = spi_imx->speed_hz, delay, reg; u32 cfg = readl(spi_imx->base + MX51_ECSPI_CONFIG); - /* - * The hardware seems to have a race condition when changing modes. The - * current assumption is that the selection of the channel arrives - * earlier in the hardware than the mode bits when they are written at - * the same time. - * So set master mode for all channels as we do not support slave mode. - */ - ctrl |= MX51_ECSPI_CTRL_MODE_MASK; + /* set Master or Slave mode */ + if (spi_imx->slave_mode) + ctrl &= ~MX51_ECSPI_CTRL_MODE_MASK; + else + ctrl |= MX51_ECSPI_CTRL_MODE_MASK; /* * Enable SPI_RDY handling (falling edge/level triggered). @@ -468,9 +529,22 @@ static int mx51_ecspi_config(struct spi_device *spi) /* set chip select to use */ ctrl |= MX51_ECSPI_CTRL_CS(spi->chip_select); - ctrl |= (spi_imx->bits_per_word - 1) << MX51_ECSPI_CTRL_BL_OFFSET; + if (spi_imx->slave_mode && is_imx53_ecspi(spi_imx)) + ctrl |= (spi_imx->slave_burst * 8 - 1) + << MX51_ECSPI_CTRL_BL_OFFSET; + else + ctrl |= (spi_imx->bits_per_word - 1) + << MX51_ECSPI_CTRL_BL_OFFSET; - cfg |= MX51_ECSPI_CONFIG_SBBCTRL(spi->chip_select); + /* + * eCSPI burst completion by Chip Select signal in Slave mode + * is not functional for imx53 Soc, config SPI burst completed when + * BURST_LENGTH + 1 bits are received + */ + if (spi_imx->slave_mode && is_imx53_ecspi(spi_imx)) + cfg &= ~MX51_ECSPI_CONFIG_SBBCTRL(spi->chip_select); + else + cfg |= MX51_ECSPI_CONFIG_SBBCTRL(spi->chip_select); if (spi->mode & SPI_CPHA) cfg |= MX51_ECSPI_CONFIG_SCLKPHA(spi->chip_select); @@ -805,6 +879,7 @@ static struct spi_imx_devtype_data imx1_cspi_devtype_data = { .fifo_size = 8, .has_dmamode = false, .dynamic_burst = false, + .has_slavemode = false, .devtype = IMX1_CSPI, }; @@ -817,6 +892,7 @@ static struct spi_imx_devtype_data imx21_cspi_devtype_data = { .fifo_size = 8, .has_dmamode = false, .dynamic_burst = false, + .has_slavemode = false, .devtype = IMX21_CSPI, }; @@ -830,6 +906,7 @@ static struct spi_imx_devtype_data imx27_cspi_devtype_data = { .fifo_size = 8, .has_dmamode = false, .dynamic_burst = false, + .has_slavemode = false, .devtype = IMX27_CSPI, }; @@ -842,6 +919,7 @@ static struct spi_imx_devtype_data imx31_cspi_devtype_data = { .fifo_size = 8, .has_dmamode = false, .dynamic_burst = false, + .has_slavemode = false, .devtype = IMX31_CSPI, }; @@ -855,6 +933,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = { .fifo_size = 8, .has_dmamode = true, .dynamic_burst = false, + .has_slavemode = false, .devtype = IMX35_CSPI, }; @@ -867,6 +946,8 @@ static struct spi_imx_devtype_data imx51_ecspi_devtype_data = { .fifo_size = 64, .has_dmamode = true, .dynamic_burst = true, + .has_slavemode = true, + .disable = mx51_ecspi_disable, .devtype = IMX51_ECSPI, }; @@ -878,6 +959,8 @@ static struct spi_imx_devtype_data imx53_ecspi_devtype_data = { .reset = mx51_ecspi_reset, .fifo_size = 64, .has_dmamode = true, + .has_slavemode = true, + .disable = mx51_ecspi_disable, .devtype = IMX53_ECSPI, }; @@ -945,14 +1028,16 @@ static void spi_imx_push(struct spi_imx_data *spi_imx) spi_imx->txfifo++; } - spi_imx->devtype_data->trigger(spi_imx); + if (!spi_imx->slave_mode) + spi_imx->devtype_data->trigger(spi_imx); } static irqreturn_t spi_imx_isr(int irq, void *dev_id) { struct spi_imx_data *spi_imx = dev_id; - while (spi_imx->devtype_data->rx_available(spi_imx)) { + while (spi_imx->txfifo && + spi_imx->devtype_data->rx_available(spi_imx)) { spi_imx->rx(spi_imx); spi_imx->txfifo--; } @@ -1034,7 +1119,7 @@ static int spi_imx_setupxfer(struct spi_device *spi, spi_imx->speed_hz = t->speed_hz; /* Initialize the functions for transfer */ - if (spi_imx->devtype_data->dynamic_burst) { + if (spi_imx->devtype_data->dynamic_burst && !spi_imx->slave_mode) { u32 mask; spi_imx->dynamic_burst = 0; @@ -1078,6 +1163,12 @@ static int spi_imx_setupxfer(struct spi_device *spi, return ret; } + if (is_imx53_ecspi(spi_imx) && spi_imx->slave_mode) { + spi_imx->rx = mx53_ecspi_rx_slave; + spi_imx->tx = mx53_ecspi_tx_slave; + spi_imx->slave_burst = t->len; + } + spi_imx->devtype_data->config(spi); return 0; @@ -1262,11 +1353,61 @@ static int spi_imx_pio_transfer(struct spi_device *spi, return transfer->len; } +static int spi_imx_pio_transfer_slave(struct spi_device *spi, + struct spi_transfer *transfer) +{ + struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); + int ret = transfer->len; + + if (is_imx53_ecspi(spi_imx) && + transfer->len > MX53_MAX_TRANSFER_BYTES) { + dev_err(&spi->dev, "Transaction too big, max size is %d bytes\n", + MX53_MAX_TRANSFER_BYTES); + return -EMSGSIZE; + } + + spi_imx->tx_buf = transfer->tx_buf; + spi_imx->rx_buf = transfer->rx_buf; + spi_imx->count = transfer->len; + spi_imx->txfifo = 0; + + reinit_completion(&spi_imx->xfer_done); + spi_imx->slave_aborted = false; + + spi_imx_push(spi_imx); + + spi_imx->devtype_data->intctrl(spi_imx, MXC_INT_TE | MXC_INT_RDR); + + if (wait_for_completion_interruptible(&spi_imx->xfer_done) || + spi_imx->slave_aborted) { + dev_dbg(&spi->dev, "interrupted\n"); + ret = -EINTR; + } + + /* ecspi has a HW issue when works in Slave mode, + * after 64 words writtern to TXFIFO, even TXFIFO becomes empty, + * ECSPI_TXDATA keeps shift out the last word data, + * so we have to disable ECSPI when in slave mode after the + * transfer completes + */ + if (spi_imx->devtype_data->disable) + spi_imx->devtype_data->disable(spi_imx); + + return ret; +} + static int spi_imx_transfer(struct spi_device *spi, struct spi_transfer *transfer) { struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); + /* flush rxfifo before transfer */ + while (spi_imx->devtype_data->rx_available(spi_imx)) + spi_imx->rx(spi_imx); + + if (spi_imx->slave_mode) + return spi_imx_pio_transfer_slave(spi, transfer); + if (spi_imx->usedma) return spi_imx_dma_transfer(spi_imx, transfer); else @@ -1323,6 +1464,16 @@ spi_imx_unprepare_message(struct spi_master *master, struct spi_message *msg) return 0; } +static int spi_imx_slave_abort(struct spi_master *master) +{ + struct spi_imx_data *spi_imx = spi_master_get_devdata(master); + + spi_imx->slave_aborted = true; + complete(&spi_imx->xfer_done); + + return 0; +} + static int spi_imx_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -1334,13 +1485,23 @@ static int spi_imx_probe(struct platform_device *pdev) struct spi_imx_data *spi_imx; struct resource *res; int i, ret, irq, spi_drctl; + const struct spi_imx_devtype_data *devtype_data = of_id ? of_id->data : + (struct spi_imx_devtype_data *)pdev->id_entry->driver_data; + bool slave_mode; if (!np && !mxc_platform_info) { dev_err(&pdev->dev, "can't get the platform data\n"); return -EINVAL; } - master = spi_alloc_master(&pdev->dev, sizeof(struct spi_imx_data)); + slave_mode = devtype_data->has_slavemode && + of_property_read_bool(np, "spi-slave"); + if (slave_mode) + master = spi_alloc_slave(&pdev->dev, + sizeof(struct spi_imx_data)); + else + master = spi_alloc_master(&pdev->dev, + sizeof(struct spi_imx_data)); if (!master) return -ENOMEM; @@ -1358,20 +1519,29 @@ static int spi_imx_probe(struct platform_device *pdev) spi_imx = spi_master_get_devdata(master); spi_imx->bitbang.master = master; spi_imx->dev = &pdev->dev; + spi_imx->slave_mode = slave_mode; - spi_imx->devtype_data = of_id ? of_id->data : - (struct spi_imx_devtype_data *)pdev->id_entry->driver_data; + spi_imx->devtype_data = devtype_data; + /* Get number of chip selects, either platform data or OF */ if (mxc_platform_info) { master->num_chipselect = mxc_platform_info->num_chipselect; - master->cs_gpios = devm_kzalloc(&master->dev, - sizeof(int) * master->num_chipselect, GFP_KERNEL); - if (!master->cs_gpios) - return -ENOMEM; + if (mxc_platform_info->chipselect) { + master->cs_gpios = devm_kzalloc(&master->dev, + sizeof(int) * master->num_chipselect, GFP_KERNEL); + if (!master->cs_gpios) + return -ENOMEM; + + for (i = 0; i < master->num_chipselect; i++) + master->cs_gpios[i] = mxc_platform_info->chipselect[i]; + } + } else { + u32 num_cs; - for (i = 0; i < master->num_chipselect; i++) - master->cs_gpios[i] = mxc_platform_info->chipselect[i]; - } + if (!of_property_read_u32(np, "num-cs", &num_cs)) + master->num_chipselect = num_cs; + /* If not preset, default value of 1 is used */ + } spi_imx->bitbang.chipselect = spi_imx_chipselect; spi_imx->bitbang.setup_transfer = spi_imx_setupxfer; @@ -1380,6 +1550,7 @@ static int spi_imx_probe(struct platform_device *pdev) spi_imx->bitbang.master->cleanup = spi_imx_cleanup; spi_imx->bitbang.master->prepare_message = spi_imx_prepare_message; spi_imx->bitbang.master->unprepare_message = spi_imx_unprepare_message; + spi_imx->bitbang.master->slave_abort = spi_imx_slave_abort; spi_imx->bitbang.master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \ | SPI_NO_CS; if (is_imx35_cspi(spi_imx) || is_imx51_ecspi(spi_imx) || @@ -1451,37 +1622,38 @@ static int spi_imx_probe(struct platform_device *pdev) spi_imx->devtype_data->intctrl(spi_imx, 0); master->dev.of_node = pdev->dev.of_node; + + /* Request GPIO CS lines, if any */ + if (!spi_imx->slave_mode && master->cs_gpios) { + for (i = 0; i < master->num_chipselect; i++) { + if (!gpio_is_valid(master->cs_gpios[i])) + continue; + + ret = devm_gpio_request(&pdev->dev, + master->cs_gpios[i], + DRIVER_NAME); + if (ret) { + dev_err(&pdev->dev, "Can't get CS GPIO %i\n", + master->cs_gpios[i]); + goto out_spi_bitbang; + } + } + } + ret = spi_bitbang_start(&spi_imx->bitbang); if (ret) { dev_err(&pdev->dev, "bitbang start failed with %d\n", ret); goto out_clk_put; } - if (!master->cs_gpios) { - dev_err(&pdev->dev, "No CS GPIOs available\n"); - ret = -EINVAL; - goto out_clk_put; - } - - for (i = 0; i < master->num_chipselect; i++) { - if (!gpio_is_valid(master->cs_gpios[i])) - continue; - - ret = devm_gpio_request(&pdev->dev, master->cs_gpios[i], - DRIVER_NAME); - if (ret) { - dev_err(&pdev->dev, "Can't get CS GPIO %i\n", - master->cs_gpios[i]); - goto out_clk_put; - } - } - dev_info(&pdev->dev, "probed\n"); clk_disable(spi_imx->clk_ipg); clk_disable(spi_imx->clk_per); return ret; +out_spi_bitbang: + spi_bitbang_stop(&spi_imx->bitbang); out_clk_put: clk_disable_unprepare(spi_imx->clk_ipg); out_put_per: diff --git a/drivers/spi/spi-mxs.c b/drivers/spi/spi-mxs.c index 5b0e9a3e83f6..3d216b950b41 100644 --- a/drivers/spi/spi-mxs.c +++ b/drivers/spi/spi-mxs.c @@ -44,6 +44,7 @@ #include <linux/completion.h> #include <linux/gpio.h> #include <linux/regulator/consumer.h> +#include <linux/pm_runtime.h> #include <linux/module.h> #include <linux/stmp_device.h> #include <linux/spi/spi.h> @@ -442,6 +443,85 @@ static int mxs_spi_transfer_one(struct spi_master *master, return status; } +static int mxs_spi_runtime_suspend(struct device *dev) +{ + struct spi_master *master = dev_get_drvdata(dev); + struct mxs_spi *spi = spi_master_get_devdata(master); + struct mxs_ssp *ssp = &spi->ssp; + int ret; + + clk_disable_unprepare(ssp->clk); + + ret = pinctrl_pm_select_idle_state(dev); + if (ret) { + int ret2 = clk_prepare_enable(ssp->clk); + + if (ret2) + dev_warn(dev, "Failed to reenable clock after failing pinctrl request (pinctrl: %d, clk: %d)\n", + ret, ret2); + } + + return ret; +} + +static int mxs_spi_runtime_resume(struct device *dev) +{ + struct spi_master *master = dev_get_drvdata(dev); + struct mxs_spi *spi = spi_master_get_devdata(master); + struct mxs_ssp *ssp = &spi->ssp; + int ret; + + ret = pinctrl_pm_select_default_state(dev); + if (ret) + return ret; + + ret = clk_prepare_enable(ssp->clk); + if (ret) + pinctrl_pm_select_idle_state(dev); + + return ret; +} + +static int __maybe_unused mxs_spi_suspend(struct device *dev) +{ + struct spi_master *master = dev_get_drvdata(dev); + int ret; + + ret = spi_master_suspend(master); + if (ret) + return ret; + + if (!pm_runtime_suspended(dev)) + return mxs_spi_runtime_suspend(dev); + else + return 0; +} + +static int __maybe_unused mxs_spi_resume(struct device *dev) +{ + struct spi_master *master = dev_get_drvdata(dev); + int ret; + + if (!pm_runtime_suspended(dev)) + ret = mxs_spi_runtime_resume(dev); + else + ret = 0; + if (ret) + return ret; + + ret = spi_master_resume(master); + if (ret < 0 && !pm_runtime_suspended(dev)) + mxs_spi_runtime_suspend(dev); + + return ret; +} + +static const struct dev_pm_ops mxs_spi_pm = { + SET_RUNTIME_PM_OPS(mxs_spi_runtime_suspend, + mxs_spi_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(mxs_spi_suspend, mxs_spi_resume) +}; + static const struct of_device_id mxs_spi_dt_ids[] = { { .compatible = "fsl,imx23-spi", .data = (void *) IMX23_SSP, }, { .compatible = "fsl,imx28-spi", .data = (void *) IMX28_SSP, }, @@ -493,12 +573,15 @@ static int mxs_spi_probe(struct platform_device *pdev) if (!master) return -ENOMEM; + platform_set_drvdata(pdev, master); + master->transfer_one_message = mxs_spi_transfer_one; master->bits_per_word_mask = SPI_BPW_MASK(8); master->mode_bits = SPI_CPOL | SPI_CPHA; master->num_chipselect = 3; master->dev.of_node = np; master->flags = SPI_MASTER_HALF_DUPLEX; + master->auto_runtime_pm = true; spi = spi_master_get_devdata(master); ssp = &spi->ssp; @@ -521,28 +604,41 @@ static int mxs_spi_probe(struct platform_device *pdev) goto out_master_free; } - ret = clk_prepare_enable(ssp->clk); - if (ret) - goto out_dma_release; + pm_runtime_enable(ssp->dev); + if (!pm_runtime_enabled(ssp->dev)) { + ret = mxs_spi_runtime_resume(ssp->dev); + if (ret < 0) { + dev_err(ssp->dev, "runtime resume failed\n"); + goto out_dma_release; + } + } + + ret = pm_runtime_get_sync(ssp->dev); + if (ret < 0) { + dev_err(ssp->dev, "runtime_get_sync failed\n"); + goto out_pm_runtime_disable; + } clk_set_rate(ssp->clk, clk_freq); ret = stmp_reset_block(ssp->base); if (ret) - goto out_disable_clk; - - platform_set_drvdata(pdev, master); + goto out_pm_runtime_put; ret = devm_spi_register_master(&pdev->dev, master); if (ret) { dev_err(&pdev->dev, "Cannot register SPI master, %d\n", ret); - goto out_disable_clk; + goto out_pm_runtime_put; } + pm_runtime_put(ssp->dev); + return 0; -out_disable_clk: - clk_disable_unprepare(ssp->clk); +out_pm_runtime_put: + pm_runtime_put(ssp->dev); +out_pm_runtime_disable: + pm_runtime_disable(ssp->dev); out_dma_release: dma_release_channel(ssp->dmach); out_master_free: @@ -560,7 +656,10 @@ static int mxs_spi_remove(struct platform_device *pdev) spi = spi_master_get_devdata(master); ssp = &spi->ssp; - clk_disable_unprepare(ssp->clk); + pm_runtime_disable(&pdev->dev); + if (!pm_runtime_status_suspended(&pdev->dev)) + mxs_spi_runtime_suspend(&pdev->dev); + dma_release_channel(ssp->dmach); return 0; @@ -572,6 +671,7 @@ static struct platform_driver mxs_spi_driver = { .driver = { .name = DRIVER_NAME, .of_match_table = mxs_spi_dt_ids, + .pm = &mxs_spi_pm, }, }; diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c index 4b6dd73b80da..8974bb340b3a 100644 --- a/drivers/spi/spi-orion.c +++ b/drivers/spi/spi-orion.c @@ -671,7 +671,6 @@ static int orion_spi_probe(struct platform_device *pdev) dev_err(&pdev->dev, "%pOF has no valid 'reg' property (%d)\n", np, status); - status = 0; continue; } diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c index 2a10b3f94ff7..2ce875764ca6 100644 --- a/drivers/spi/spi-rspi.c +++ b/drivers/spi/spi-rspi.c @@ -1221,7 +1221,6 @@ static int rspi_probe(struct platform_device *pdev) struct spi_master *master; struct rspi_data *rspi; int ret; - const struct of_device_id *of_id; const struct rspi_plat_data *rspi_pd; const struct spi_ops *ops; @@ -1229,9 +1228,8 @@ static int rspi_probe(struct platform_device *pdev) if (master == NULL) return -ENOMEM; - of_id = of_match_device(rspi_of_match, &pdev->dev); - if (of_id) { - ops = of_id->data; + ops = of_device_get_match_data(&pdev->dev); + if (ops) { ret = rspi_parse_dt(&pdev->dev, master); if (ret) goto error1; diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index b392cca8fa4f..de7df20f8712 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -752,7 +752,6 @@ static int s3c64xx_spi_setup(struct spi_device *spi) { struct s3c64xx_spi_csinfo *cs = spi->controller_data; struct s3c64xx_spi_driver_data *sdd; - struct s3c64xx_spi_info *sci; int err; sdd = spi_master_get_devdata(spi->master); @@ -788,8 +787,6 @@ static int s3c64xx_spi_setup(struct spi_device *spi) spi_set_ctldata(spi, cs); } - sci = sdd->cntrlr_info; - pm_runtime_get_sync(&sdd->pdev->dev); /* Check if we can provide the requested rate */ diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c index 0eb1e9583485..fcd261f98b9f 100644 --- a/drivers/spi/spi-sh-msiof.c +++ b/drivers/spi/spi-sh-msiof.c @@ -900,7 +900,7 @@ static int sh_msiof_transfer_one(struct spi_master *master, break; copy32 = copy_bswap32; } else if (bits <= 16) { - if (l & 1) + if (l & 3) break; copy32 = copy_wswap32; } else { @@ -1021,6 +1021,8 @@ static const struct sh_msiof_chipdata rcar_gen3_data = { static const struct of_device_id sh_msiof_match[] = { { .compatible = "renesas,sh-mobile-msiof", .data = &sh_data }, + { .compatible = "renesas,msiof-r8a7743", .data = &rcar_gen2_data }, + { .compatible = "renesas,msiof-r8a7745", .data = &rcar_gen2_data }, { .compatible = "renesas,msiof-r8a7790", .data = &rcar_gen2_data }, { .compatible = "renesas,msiof-r8a7791", .data = &rcar_gen2_data }, { .compatible = "renesas,msiof-r8a7792", .data = &rcar_gen2_data }, @@ -1188,12 +1190,10 @@ free_tx_chan: static void sh_msiof_release_dma(struct sh_msiof_spi_priv *p) { struct spi_master *master = p->master; - struct device *dev; if (!master->dma_tx) return; - dev = &p->pdev->dev; dma_unmap_single(master->dma_rx->device->dev, p->rx_dma_addr, PAGE_SIZE, DMA_FROM_DEVICE); dma_unmap_single(master->dma_tx->device->dev, p->tx_dma_addr, @@ -1209,15 +1209,13 @@ static int sh_msiof_spi_probe(struct platform_device *pdev) struct resource *r; struct spi_master *master; const struct sh_msiof_chipdata *chipdata; - const struct of_device_id *of_id; struct sh_msiof_spi_info *info; struct sh_msiof_spi_priv *p; int i; int ret; - of_id = of_match_device(sh_msiof_match, &pdev->dev); - if (of_id) { - chipdata = of_id->data; + chipdata = of_device_get_match_data(&pdev->dev); + if (chipdata) { info = sh_msiof_spi_parse_dt(&pdev->dev); } else { chipdata = (const void *)pdev->id_entry->driver_data; diff --git a/drivers/spi/spi-sprd-adi.c b/drivers/spi/spi-sprd-adi.c new file mode 100644 index 000000000000..5993bdbf79e4 --- /dev/null +++ b/drivers/spi/spi-sprd-adi.c @@ -0,0 +1,418 @@ +/* + * Copyright (C) 2017 Spreadtrum Communications Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <linux/hwspinlock.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <linux/spi/spi.h> +#include <linux/sizes.h> + +/* Registers definitions for ADI controller */ +#define REG_ADI_CTRL0 0x4 +#define REG_ADI_CHN_PRIL 0x8 +#define REG_ADI_CHN_PRIH 0xc +#define REG_ADI_INT_EN 0x10 +#define REG_ADI_INT_RAW 0x14 +#define REG_ADI_INT_MASK 0x18 +#define REG_ADI_INT_CLR 0x1c +#define REG_ADI_GSSI_CFG0 0x20 +#define REG_ADI_GSSI_CFG1 0x24 +#define REG_ADI_RD_CMD 0x28 +#define REG_ADI_RD_DATA 0x2c +#define REG_ADI_ARM_FIFO_STS 0x30 +#define REG_ADI_STS 0x34 +#define REG_ADI_EVT_FIFO_STS 0x38 +#define REG_ADI_ARM_CMD_STS 0x3c +#define REG_ADI_CHN_EN 0x40 +#define REG_ADI_CHN_ADDR(id) (0x44 + (id - 2) * 4) +#define REG_ADI_CHN_EN1 0x20c + +/* Bits definitions for register REG_ADI_GSSI_CFG0 */ +#define BIT_CLK_ALL_ON BIT(30) + +/* Bits definitions for register REG_ADI_RD_DATA */ +#define BIT_RD_CMD_BUSY BIT(31) +#define RD_ADDR_SHIFT 16 +#define RD_VALUE_MASK GENMASK(15, 0) +#define RD_ADDR_MASK GENMASK(30, 16) + +/* Bits definitions for register REG_ADI_ARM_FIFO_STS */ +#define BIT_FIFO_FULL BIT(11) +#define BIT_FIFO_EMPTY BIT(10) + +/* + * ADI slave devices include RTC, ADC, regulator, charger, thermal and so on. + * The slave devices address offset is always 0x8000 and size is 4K. + */ +#define ADI_SLAVE_ADDR_SIZE SZ_4K +#define ADI_SLAVE_OFFSET 0x8000 + +/* Timeout (ms) for the trylock of hardware spinlocks */ +#define ADI_HWSPINLOCK_TIMEOUT 5000 +/* + * ADI controller has 50 channels including 2 software channels + * and 48 hardware channels. + */ +#define ADI_HW_CHNS 50 + +#define ADI_FIFO_DRAIN_TIMEOUT 1000 +#define ADI_READ_TIMEOUT 2000 +#define REG_ADDR_LOW_MASK GENMASK(11, 0) + +struct sprd_adi { + struct spi_controller *ctlr; + struct device *dev; + void __iomem *base; + struct hwspinlock *hwlock; + unsigned long slave_vbase; + unsigned long slave_pbase; +}; + +static int sprd_adi_check_paddr(struct sprd_adi *sadi, u32 paddr) +{ + if (paddr < sadi->slave_pbase || paddr > + (sadi->slave_pbase + ADI_SLAVE_ADDR_SIZE)) { + dev_err(sadi->dev, + "slave physical address is incorrect, addr = 0x%x\n", + paddr); + return -EINVAL; + } + + return 0; +} + +static unsigned long sprd_adi_to_vaddr(struct sprd_adi *sadi, u32 paddr) +{ + return (paddr - sadi->slave_pbase + sadi->slave_vbase); +} + +static int sprd_adi_drain_fifo(struct sprd_adi *sadi) +{ + u32 timeout = ADI_FIFO_DRAIN_TIMEOUT; + u32 sts; + + do { + sts = readl_relaxed(sadi->base + REG_ADI_ARM_FIFO_STS); + if (sts & BIT_FIFO_EMPTY) + break; + + cpu_relax(); + } while (--timeout); + + if (timeout == 0) { + dev_err(sadi->dev, "drain write fifo timeout\n"); + return -EBUSY; + } + + return 0; +} + +static int sprd_adi_fifo_is_full(struct sprd_adi *sadi) +{ + return readl_relaxed(sadi->base + REG_ADI_ARM_FIFO_STS) & BIT_FIFO_FULL; +} + +static int sprd_adi_read(struct sprd_adi *sadi, u32 reg_paddr, u32 *read_val) +{ + int read_timeout = ADI_READ_TIMEOUT; + u32 val, rd_addr; + + /* + * Set the physical register address need to read into RD_CMD register, + * then ADI controller will start to transfer automatically. + */ + writel_relaxed(reg_paddr, sadi->base + REG_ADI_RD_CMD); + + /* + * Wait read operation complete, the BIT_RD_CMD_BUSY will be set + * simultaneously when writing read command to register, and the + * BIT_RD_CMD_BUSY will be cleared after the read operation is + * completed. + */ + do { + val = readl_relaxed(sadi->base + REG_ADI_RD_DATA); + if (!(val & BIT_RD_CMD_BUSY)) + break; + + cpu_relax(); + } while (--read_timeout); + + if (read_timeout == 0) { + dev_err(sadi->dev, "ADI read timeout\n"); + return -EBUSY; + } + + /* + * The return value includes data and read register address, from bit 0 + * to bit 15 are data, and from bit 16 to bit 30 are read register + * address. Then we can check the returned register address to validate + * data. + */ + rd_addr = (val & RD_ADDR_MASK ) >> RD_ADDR_SHIFT; + + if (rd_addr != (reg_paddr & REG_ADDR_LOW_MASK)) { + dev_err(sadi->dev, "read error, reg addr = 0x%x, val = 0x%x\n", + reg_paddr, val); + return -EIO; + } + + *read_val = val & RD_VALUE_MASK; + return 0; +} + +static int sprd_adi_write(struct sprd_adi *sadi, unsigned long reg, u32 val) +{ + u32 timeout = ADI_FIFO_DRAIN_TIMEOUT; + int ret; + + ret = sprd_adi_drain_fifo(sadi); + if (ret < 0) + return ret; + + /* + * we should wait for write fifo is empty before writing data to PMIC + * registers. + */ + do { + if (!sprd_adi_fifo_is_full(sadi)) { + writel_relaxed(val, (void __iomem *)reg); + break; + } + + cpu_relax(); + } while (--timeout); + + if (timeout == 0) { + dev_err(sadi->dev, "write fifo is full\n"); + return -EBUSY; + } + + return 0; +} + +static int sprd_adi_transfer_one(struct spi_controller *ctlr, + struct spi_device *spi_dev, + struct spi_transfer *t) +{ + struct sprd_adi *sadi = spi_controller_get_devdata(ctlr); + unsigned long flags, virt_reg; + u32 phy_reg, val; + int ret; + + if (t->rx_buf) { + phy_reg = *(u32 *)t->rx_buf + sadi->slave_pbase; + + ret = sprd_adi_check_paddr(sadi, phy_reg); + if (ret) + return ret; + + ret = hwspin_lock_timeout_irqsave(sadi->hwlock, + ADI_HWSPINLOCK_TIMEOUT, + &flags); + if (ret) { + dev_err(sadi->dev, "get the hw lock failed\n"); + return ret; + } + + ret = sprd_adi_read(sadi, phy_reg, &val); + hwspin_unlock_irqrestore(sadi->hwlock, &flags); + if (ret) + return ret; + + *(u32 *)t->rx_buf = val; + } else if (t->tx_buf) { + u32 *p = (u32 *)t->tx_buf; + + /* + * Get the physical register address need to write and convert + * the physical address to virtual address. Since we need + * virtual register address to write. + */ + phy_reg = *p++ + sadi->slave_pbase; + ret = sprd_adi_check_paddr(sadi, phy_reg); + if (ret) + return ret; + + virt_reg = sprd_adi_to_vaddr(sadi, phy_reg); + val = *p; + + ret = hwspin_lock_timeout_irqsave(sadi->hwlock, + ADI_HWSPINLOCK_TIMEOUT, + &flags); + if (ret) { + dev_err(sadi->dev, "get the hw lock failed\n"); + return ret; + } + + ret = sprd_adi_write(sadi, virt_reg, val); + hwspin_unlock_irqrestore(sadi->hwlock, &flags); + if (ret) + return ret; + } else { + dev_err(sadi->dev, "no buffer for transfer\n"); + return -EINVAL; + } + + return 0; +} + +static void sprd_adi_hw_init(struct sprd_adi *sadi) +{ + struct device_node *np = sadi->dev->of_node; + int i, size, chn_cnt; + const __be32 *list; + u32 tmp; + + /* Address bits select default 12 bits */ + writel_relaxed(0, sadi->base + REG_ADI_CTRL0); + + /* Set all channels as default priority */ + writel_relaxed(0, sadi->base + REG_ADI_CHN_PRIL); + writel_relaxed(0, sadi->base + REG_ADI_CHN_PRIH); + + /* Set clock auto gate mode */ + tmp = readl_relaxed(sadi->base + REG_ADI_GSSI_CFG0); + tmp &= ~BIT_CLK_ALL_ON; + writel_relaxed(tmp, sadi->base + REG_ADI_GSSI_CFG0); + + /* Set hardware channels setting */ + list = of_get_property(np, "sprd,hw-channels", &size); + if (!list || !size) { + dev_info(sadi->dev, "no hw channels setting in node\n"); + return; + } + + chn_cnt = size / 8; + for (i = 0; i < chn_cnt; i++) { + u32 value; + u32 chn_id = be32_to_cpu(*list++); + u32 chn_config = be32_to_cpu(*list++); + + /* Channel 0 and 1 are software channels */ + if (chn_id < 2) + continue; + + writel_relaxed(chn_config, sadi->base + + REG_ADI_CHN_ADDR(chn_id)); + + if (chn_id < 32) { + value = readl_relaxed(sadi->base + REG_ADI_CHN_EN); + value |= BIT(chn_id); + writel_relaxed(value, sadi->base + REG_ADI_CHN_EN); + } else if (chn_id < ADI_HW_CHNS) { + value = readl_relaxed(sadi->base + REG_ADI_CHN_EN1); + value |= BIT(chn_id - 32); + writel_relaxed(value, sadi->base + REG_ADI_CHN_EN1); + } + } +} + +static int sprd_adi_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + struct spi_controller *ctlr; + struct sprd_adi *sadi; + struct resource *res; + u32 num_chipselect; + int ret; + + if (!np) { + dev_err(&pdev->dev, "can not find the adi bus node\n"); + return -ENODEV; + } + + pdev->id = of_alias_get_id(np, "spi"); + num_chipselect = of_get_child_count(np); + + ctlr = spi_alloc_master(&pdev->dev, sizeof(struct sprd_adi)); + if (!ctlr) + return -ENOMEM; + + dev_set_drvdata(&pdev->dev, ctlr); + sadi = spi_controller_get_devdata(ctlr); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + sadi->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(sadi->base)) { + ret = PTR_ERR(sadi->base); + goto put_ctlr; + } + + sadi->slave_vbase = (unsigned long)sadi->base + ADI_SLAVE_OFFSET; + sadi->slave_pbase = res->start + ADI_SLAVE_OFFSET; + sadi->ctlr = ctlr; + sadi->dev = &pdev->dev; + ret = of_hwspin_lock_get_id(np, 0); + if (ret < 0) { + dev_err(&pdev->dev, "can not get the hardware spinlock\n"); + goto put_ctlr; + } + + sadi->hwlock = hwspin_lock_request_specific(ret); + if (!sadi->hwlock) { + ret = -ENXIO; + goto put_ctlr; + } + + sprd_adi_hw_init(sadi); + + ctlr->dev.of_node = pdev->dev.of_node; + ctlr->bus_num = pdev->id; + ctlr->num_chipselect = num_chipselect; + ctlr->flags = SPI_MASTER_HALF_DUPLEX; + ctlr->bits_per_word_mask = 0; + ctlr->transfer_one = sprd_adi_transfer_one; + + ret = devm_spi_register_controller(&pdev->dev, ctlr); + if (ret) { + dev_err(&pdev->dev, "failed to register SPI controller\n"); + goto free_hwlock; + } + + return 0; + +free_hwlock: + hwspin_lock_free(sadi->hwlock); +put_ctlr: + spi_controller_put(ctlr); + return ret; +} + +static int sprd_adi_remove(struct platform_device *pdev) +{ + struct spi_controller *ctlr = dev_get_drvdata(&pdev->dev); + struct sprd_adi *sadi = spi_controller_get_devdata(ctlr); + + hwspin_lock_free(sadi->hwlock); + return 0; +} + +static const struct of_device_id sprd_adi_of_match[] = { + { + .compatible = "sprd,sc9860-adi", + }, + { }, +}; +MODULE_DEVICE_TABLE(of, sprd_adi_of_match); + +static struct platform_driver sprd_adi_driver = { + .driver = { + .name = "sprd-adi", + .of_match_table = sprd_adi_of_match, + }, + .probe = sprd_adi_probe, + .remove = sprd_adi_remove, +}; +module_platform_driver(sprd_adi_driver); + +MODULE_DESCRIPTION("Spreadtrum ADI Controller Driver"); +MODULE_AUTHOR("Baolin Wang <Baolin.Wang@spreadtrum.com>"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c index 680cdf549506..ba9743fa2326 100644 --- a/drivers/spi/spi-stm32.c +++ b/drivers/spi/spi-stm32.c @@ -263,8 +263,8 @@ static int stm32_spi_prepare_mbr(struct stm32_spi *spi, u32 speed_hz) * no need to check it there. * However, we need to ensure the following calculations. */ - if ((div < SPI_MBR_DIV_MIN) && - (div > SPI_MBR_DIV_MAX)) + if (div < SPI_MBR_DIV_MIN || + div > SPI_MBR_DIV_MAX) return -EINVAL; /* Determine the first power of 2 greater than or equal to div */ diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c index 44550182a4a3..a76acedd7e2f 100644 --- a/drivers/spi/spi-tegra114.c +++ b/drivers/spi/spi-tegra114.c @@ -50,7 +50,7 @@ #define SPI_IDLE_SDA_PULL_LOW (2 << 18) #define SPI_IDLE_SDA_PULL_HIGH (3 << 18) #define SPI_IDLE_SDA_MASK (3 << 18) -#define SPI_CS_SS_VAL (1 << 20) +#define SPI_CS_SW_VAL (1 << 20) #define SPI_CS_SW_HW (1 << 21) /* SPI_CS_POL_INACTIVE bits are default high */ /* n from 0 to 3 */ @@ -705,9 +705,9 @@ static u32 tegra_spi_setup_transfer_one(struct spi_device *spi, command1 |= SPI_CS_SW_HW; if (spi->mode & SPI_CS_HIGH) - command1 |= SPI_CS_SS_VAL; + command1 |= SPI_CS_SW_VAL; else - command1 &= ~SPI_CS_SS_VAL; + command1 &= ~SPI_CS_SW_VAL; tegra_spi_writel(tspi, 0, SPI_COMMAND2); } else { diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 6e65524cbfd9..b33a727a0158 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -45,7 +45,6 @@ #define CREATE_TRACE_POINTS #include <trace/events/spi.h> -#define SPI_DYN_FIRST_BUS_NUM 0 static DEFINE_IDR(spi_master_idr); @@ -2086,7 +2085,7 @@ int spi_register_controller(struct spi_controller *ctlr) struct device *dev = ctlr->dev.parent; struct boardinfo *bi; int status = -ENODEV; - int id; + int id, first_dynamic; if (!dev) return -ENODEV; @@ -2116,9 +2115,15 @@ int spi_register_controller(struct spi_controller *ctlr) } } if (ctlr->bus_num < 0) { + first_dynamic = of_alias_get_highest_id("spi"); + if (first_dynamic < 0) + first_dynamic = 0; + else + first_dynamic++; + mutex_lock(&board_lock); - id = idr_alloc(&spi_master_idr, ctlr, SPI_DYN_FIRST_BUS_NUM, 0, - GFP_KERNEL); + id = idr_alloc(&spi_master_idr, ctlr, first_dynamic, + 0, GFP_KERNEL); mutex_unlock(&board_lock); if (WARN(id < 0, "couldn't get idr")) return id; @@ -2195,7 +2200,7 @@ static void devm_spi_unregister(struct device *dev, void *res) * Context: can sleep * * Register a SPI device as with spi_register_controller() which will - * automatically be unregister + * automatically be unregistered and freed. * * Return: zero on success, else a negative error code. */ @@ -2236,15 +2241,18 @@ static int __unregister(struct device *dev, void *null) * only ones directly touching chip registers. * * This must be called from context that can sleep. + * + * Note that this function also drops a reference to the controller. */ void spi_unregister_controller(struct spi_controller *ctlr) { struct spi_controller *found; + int id = ctlr->bus_num; int dummy; /* First make sure that this controller was ever added */ mutex_lock(&board_lock); - found = idr_find(&spi_master_idr, ctlr->bus_num); + found = idr_find(&spi_master_idr, id); mutex_unlock(&board_lock); if (found != ctlr) { dev_dbg(&ctlr->dev, @@ -2264,7 +2272,7 @@ void spi_unregister_controller(struct spi_controller *ctlr) device_unregister(&ctlr->dev); /* free bus id */ mutex_lock(&board_lock); - idr_remove(&spi_master_idr, ctlr->bus_num); + idr_remove(&spi_master_idr, id); mutex_unlock(&board_lock); } EXPORT_SYMBOL_GPL(spi_unregister_controller); diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile index 64a09681cee0..142d33df040f 100644 --- a/drivers/ssb/Makefile +++ b/drivers/ssb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # core ssb-y += main.o scan.o ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index c2f5d3969c8b..ef9ac8efcab4 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_SSB_PRIVATE_H_ #define LINUX_SSB_PRIVATE_H_ diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile index 8951c37d8d80..6e536020029a 100644 --- a/drivers/staging/Makefile +++ b/drivers/staging/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for staging directory obj-y += media/ diff --git a/drivers/staging/android/TODO b/drivers/staging/android/TODO index 5f14247392bf..687e0eac85bf 100644 --- a/drivers/staging/android/TODO +++ b/drivers/staging/android/TODO @@ -1,5 +1,4 @@ TODO: - - checkpatch.pl cleanups - sparse fixes - rename files to be not so "generic" - add proper arch dependencies as needed diff --git a/drivers/staging/android/ion/Makefile b/drivers/staging/android/ion/Makefile index eb7eeed6ae40..bb30bf8774a0 100644 --- a/drivers/staging/android/ion/Makefile +++ b/drivers/staging/android/ion/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_ION) += ion.o ion-ioctl.o ion_heap.o obj-$(CONFIG_ION_SYSTEM_HEAP) += ion_system_heap.o ion_page_pool.o obj-$(CONFIG_ION_CARVEOUT_HEAP) += ion_carveout_heap.o diff --git a/drivers/staging/android/ion/ion-ioctl.c b/drivers/staging/android/ion/ion-ioctl.c index d9f8b1424da1..c78989351f9c 100644 --- a/drivers/staging/android/ion/ion-ioctl.c +++ b/drivers/staging/android/ion/ion-ioctl.c @@ -27,19 +27,18 @@ union ion_ioctl_arg { static int validate_ioctl_arg(unsigned int cmd, union ion_ioctl_arg *arg) { - int ret = 0; - switch (cmd) { case ION_IOC_HEAP_QUERY: - ret = arg->query.reserved0 != 0; - ret |= arg->query.reserved1 != 0; - ret |= arg->query.reserved2 != 0; + if (arg->query.reserved0 || + arg->query.reserved1 || + arg->query.reserved2) + return -EINVAL; break; default: break; } - return ret ? -EINVAL : 0; + return 0; } /* fix up the cases where the ioctl direction bits are incorrect */ diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index 93e2c90fa77d..a7d9b0e98572 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -81,7 +81,6 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, unsigned long flags) { struct ion_buffer *buffer; - struct sg_table *table; int ret; buffer = kzalloc(sizeof(*buffer), GFP_KERNEL); @@ -109,7 +108,6 @@ static struct ion_buffer *ion_buffer_create(struct ion_heap *heap, goto err1; } - table = buffer->sg_table; buffer->dev = dev; buffer->size = len; diff --git a/drivers/staging/android/ion/ion.h b/drivers/staging/android/ion/ion.h index 621e5f7ceacb..f5f9cd63f8e9 100644 --- a/drivers/staging/android/ion/ion.h +++ b/drivers/staging/android/ion/ion.h @@ -86,6 +86,7 @@ struct ion_buffer { struct sg_table *sg_table; struct list_head attachments; }; + void ion_buffer_destroy(struct ion_buffer *buffer); /** @@ -299,7 +300,6 @@ size_t ion_heap_freelist_shrink(struct ion_heap *heap, */ size_t ion_heap_freelist_size(struct ion_heap *heap); - /** * functions for creating and destroying a heap pool -- allows you * to keep a pool of pre allocated memory to use from your heap. Keeping diff --git a/drivers/staging/board/board.h b/drivers/staging/board/board.h index 42ed12513220..5609daf4d869 100644 --- a/drivers/staging/board/board.h +++ b/drivers/staging/board/board.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __BOARD_H__ #define __BOARD_H__ diff --git a/drivers/staging/board/kzm9d.c b/drivers/staging/board/kzm9d.c index 05a6d434d307..d449a837414e 100644 --- a/drivers/staging/board/kzm9d.c +++ b/drivers/staging/board/kzm9d.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Staging board support for KZM9D. Enable not-yet-DT-capable devices here. */ #include <linux/kernel.h> diff --git a/drivers/staging/ccree/cc_hal.h b/drivers/staging/ccree/cc_hal.h deleted file mode 100644 index eecc866dfc74..000000000000 --- a/drivers/staging/ccree/cc_hal.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Copyright (C) 2012-2017 ARM Limited or its affiliates. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -/* pseudo cc_hal.h for cc7x_perf_test_driver (to be able to include code from - * CC drivers). - */ - -#ifndef __CC_HAL_H__ -#define __CC_HAL_H__ - -#include <linux/io.h> - -#define READ_REGISTER(_addr) ioread32((_addr)) -#define WRITE_REGISTER(_addr, _data) iowrite32((_data), (_addr)) - -#define CC_HAL_WRITE_REGISTER(offset, val) \ - WRITE_REGISTER(cc_base + (offset), val) -#define CC_HAL_READ_REGISTER(offset) READ_REGISTER(cc_base + (offset)) - -#endif diff --git a/drivers/staging/ccree/cc_lli_defs.h b/drivers/staging/ccree/cc_lli_defs.h index 851d3907167e..a9c417b07b04 100644 --- a/drivers/staging/ccree/cc_lli_defs.h +++ b/drivers/staging/ccree/cc_lli_defs.h @@ -59,7 +59,7 @@ static inline void cc_lli_set_addr(u32 *lli_p, dma_addr_t addr) lli_p[LLI_WORD0_OFFSET] = (addr & U32_MAX); #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT lli_p[LLI_WORD1_OFFSET] &= ~LLI_HADDR_MASK; - lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_HADDR_MASK, (addr >> 16)); + lli_p[LLI_WORD1_OFFSET] |= FIELD_PREP(LLI_HADDR_MASK, (addr >> 32)); #endif /* CONFIG_ARCH_DMA_ADDR_T_64BIT */ } diff --git a/drivers/staging/ccree/cc_regs.h b/drivers/staging/ccree/cc_regs.h deleted file mode 100644 index 4a893a6ba6ef..000000000000 --- a/drivers/staging/ccree/cc_regs.h +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2012-2017 ARM Limited or its affiliates. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -/*! - * @file - * @brief This file contains macro definitions for accessing ARM TrustZone - * CryptoCell register space. - */ - -#ifndef _CC_REGS_H_ -#define _CC_REGS_H_ - -#include <linux/bitfield.h> - -#define AXIM_MON_BASE_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP) -#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \ - DX_AXIM_MON_COMP_VALUE_BIT_SHIFT, \ - DX_AXIM_MON_COMP_VALUE_BIT_SHIFT) - -#define AXIM_MON_BASE_OFFSET CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_COMP) -#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \ - DX_AXIM_MON_COMP_VALUE_BIT_SHIFT, \ - DX_AXIM_MON_COMP_VALUE_BIT_SHIFT) - -/* Register Offset macro */ -#define CC_REG_OFFSET(unit_name, reg_name) \ - (DX_BASE_ ## unit_name + DX_ ## reg_name ## _REG_OFFSET) - -#endif /*_CC_REGS_H_*/ diff --git a/drivers/staging/ccree/dx_reg_base_host.h b/drivers/staging/ccree/dx_reg_base_host.h deleted file mode 100644 index 47bbadbcd1df..000000000000 --- a/drivers/staging/ccree/dx_reg_base_host.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Copyright (C) 2012-2017 ARM Limited or its affiliates. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __DX_REG_BASE_HOST_H__ -#define __DX_REG_BASE_HOST_H__ - -#define DX_BASE_CC 0x80000000 -#define DX_BASE_HOST_RGF 0x0UL -#define DX_BASE_CRY_KERNEL 0x0UL -#define DX_BASE_ROM 0x40000000 - -#endif /*__DX_REG_BASE_HOST_H__*/ diff --git a/drivers/staging/ccree/ssi_aead.c b/drivers/staging/ccree/ssi_aead.c index 5abe6b24ff8c..ba0954e4d2e5 100644 --- a/drivers/staging/ccree/ssi_aead.c +++ b/drivers/staging/ccree/ssi_aead.c @@ -92,18 +92,17 @@ static inline bool valid_assoclen(struct aead_request *req) static void ssi_aead_exit(struct crypto_aead *tfm) { - struct device *dev = NULL; struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("Clearing context @%p for %s\n", - crypto_aead_ctx(tfm), crypto_tfm_alg_name(&tfm->base)); + dev_dbg(dev, "Clearing context @%p for %s\n", crypto_aead_ctx(tfm), + crypto_tfm_alg_name(&tfm->base)); - dev = &ctx->drvdata->plat_dev->dev; /* Unmap enckey buffer */ if (ctx->enckey) { dma_free_coherent(dev, AES_MAX_KEY_SIZE, ctx->enckey, ctx->enckey_dma_addr); - SSI_LOG_DEBUG("Freed enckey DMA buffer enckey_dma_addr=%pad\n", - ctx->enckey_dma_addr); + dev_dbg(dev, "Freed enckey DMA buffer enckey_dma_addr=%pad\n", + &ctx->enckey_dma_addr); ctx->enckey_dma_addr = 0; ctx->enckey = NULL; } @@ -116,8 +115,8 @@ static void ssi_aead_exit(struct crypto_aead *tfm) xcbc->xcbc_keys, xcbc->xcbc_keys_dma_addr); } - SSI_LOG_DEBUG("Freed xcbc_keys DMA buffer xcbc_keys_dma_addr=%pad\n", - xcbc->xcbc_keys_dma_addr); + dev_dbg(dev, "Freed xcbc_keys DMA buffer xcbc_keys_dma_addr=%pad\n", + &xcbc->xcbc_keys_dma_addr); xcbc->xcbc_keys_dma_addr = 0; xcbc->xcbc_keys = NULL; } else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC auth. */ @@ -127,8 +126,8 @@ static void ssi_aead_exit(struct crypto_aead *tfm) dma_free_coherent(dev, 2 * MAX_HMAC_DIGEST_SIZE, hmac->ipad_opad, hmac->ipad_opad_dma_addr); - SSI_LOG_DEBUG("Freed ipad_opad DMA buffer ipad_opad_dma_addr=%pad\n", - hmac->ipad_opad_dma_addr); + dev_dbg(dev, "Freed ipad_opad DMA buffer ipad_opad_dma_addr=%pad\n", + &hmac->ipad_opad_dma_addr); hmac->ipad_opad_dma_addr = 0; hmac->ipad_opad = NULL; } @@ -136,8 +135,8 @@ static void ssi_aead_exit(struct crypto_aead *tfm) dma_free_coherent(dev, MAX_HMAC_BLOCK_SIZE, hmac->padded_authkey, hmac->padded_authkey_dma_addr); - SSI_LOG_DEBUG("Freed padded_authkey DMA buffer padded_authkey_dma_addr=%pad\n", - hmac->padded_authkey_dma_addr); + dev_dbg(dev, "Freed padded_authkey DMA buffer padded_authkey_dma_addr=%pad\n", + &hmac->padded_authkey_dma_addr); hmac->padded_authkey_dma_addr = 0; hmac->padded_authkey = NULL; } @@ -146,29 +145,31 @@ static void ssi_aead_exit(struct crypto_aead *tfm) static int ssi_aead_init(struct crypto_aead *tfm) { - struct device *dev; struct aead_alg *alg = crypto_aead_alg(tfm); struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); struct ssi_crypto_alg *ssi_alg = container_of(alg, struct ssi_crypto_alg, aead_alg); - SSI_LOG_DEBUG("Initializing context @%p for %s\n", ctx, crypto_tfm_alg_name(&tfm->base)); + struct device *dev = drvdata_to_dev(ssi_alg->drvdata); + + dev_dbg(dev, "Initializing context @%p for %s\n", ctx, + crypto_tfm_alg_name(&tfm->base)); /* Initialize modes in instance */ ctx->cipher_mode = ssi_alg->cipher_mode; ctx->flow_mode = ssi_alg->flow_mode; ctx->auth_mode = ssi_alg->auth_mode; ctx->drvdata = ssi_alg->drvdata; - dev = &ctx->drvdata->plat_dev->dev; crypto_aead_set_reqsize(tfm, sizeof(struct aead_req_ctx)); /* Allocate key buffer, cache line aligned */ ctx->enckey = dma_alloc_coherent(dev, AES_MAX_KEY_SIZE, &ctx->enckey_dma_addr, GFP_KERNEL); if (!ctx->enckey) { - SSI_LOG_ERR("Failed allocating key buffer\n"); + dev_err(dev, "Failed allocating key buffer\n"); goto init_failed; } - SSI_LOG_DEBUG("Allocated enckey buffer in context ctx->enckey=@%p\n", ctx->enckey); + dev_dbg(dev, "Allocated enckey buffer in context ctx->enckey=@%p\n", + ctx->enckey); /* Set default authlen value */ @@ -182,7 +183,7 @@ static int ssi_aead_init(struct crypto_aead *tfm) &xcbc->xcbc_keys_dma_addr, GFP_KERNEL); if (!xcbc->xcbc_keys) { - SSI_LOG_ERR("Failed allocating buffer for XCBC keys\n"); + dev_err(dev, "Failed allocating buffer for XCBC keys\n"); goto init_failed; } } else if (ctx->auth_mode != DRV_HASH_NULL) { /* HMAC authentication */ @@ -196,12 +197,12 @@ static int ssi_aead_init(struct crypto_aead *tfm) GFP_KERNEL); if (!hmac->ipad_opad) { - SSI_LOG_ERR("Failed allocating IPAD/OPAD buffer\n"); + dev_err(dev, "Failed allocating IPAD/OPAD buffer\n"); goto init_failed; } - SSI_LOG_DEBUG("Allocated authkey buffer in context ctx->authkey=@%p\n", - hmac->ipad_opad); + dev_dbg(dev, "Allocated authkey buffer in context ctx->authkey=@%p\n", + hmac->ipad_opad); hmac->padded_authkey = dma_alloc_coherent(dev, MAX_HMAC_BLOCK_SIZE, @@ -209,7 +210,7 @@ static int ssi_aead_init(struct crypto_aead *tfm) GFP_KERNEL); if (!hmac->padded_authkey) { - SSI_LOG_ERR("failed to allocate padded_authkey\n"); + dev_err(dev, "failed to allocate padded_authkey\n"); goto init_failed; } } else { @@ -240,8 +241,7 @@ static void ssi_aead_complete(struct device *dev, void *ssi_req, void __iomem *c if (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { if (memcmp(areq_ctx->mac_buf, areq_ctx->icv_virt_addr, ctx->authsize) != 0) { - SSI_LOG_DEBUG("Payload authentication failure, " - "(auth-size=%d, cipher=%d).\n", + dev_dbg(dev, "Payload authentication failure, (auth-size=%d, cipher=%d)\n", ctx->authsize, ctx->cipher_mode); /* In case of payload authentication failure, MUST NOT * revealed the decrypted message --> zero its memory. @@ -252,8 +252,11 @@ static void ssi_aead_complete(struct device *dev, void *ssi_req, void __iomem *c } else { /*ENCRYPT*/ if (unlikely(areq_ctx->is_icv_fragmented)) ssi_buffer_mgr_copy_scatterlist_portion( - areq_ctx->mac_buf, areq_ctx->dst_sgl, areq->cryptlen + areq_ctx->dst_offset, - areq->cryptlen + areq_ctx->dst_offset + ctx->authsize, SSI_SG_FROM_BUF); + dev, areq_ctx->mac_buf, areq_ctx->dst_sgl, + areq->cryptlen + areq_ctx->dst_offset, + (areq->cryptlen + areq_ctx->dst_offset + + ctx->authsize), + SSI_SG_FROM_BUF); /* If an IV was generated, copy it back to the user provided buffer. */ if (areq_ctx->backup_giv) { @@ -377,8 +380,10 @@ static int hmac_setkey(struct cc_hw_desc *desc, struct ssi_aead_ctx *ctx) static int validate_keys_sizes(struct ssi_aead_ctx *ctx) { - SSI_LOG_DEBUG("enc_keylen=%u authkeylen=%u\n", - ctx->enc_keylen, ctx->auth_keylen); + struct device *dev = drvdata_to_dev(ctx->drvdata); + + dev_dbg(dev, "enc_keylen=%u authkeylen=%u\n", + ctx->enc_keylen, ctx->auth_keylen); switch (ctx->auth_mode) { case DRV_HASH_SHA1: @@ -395,22 +400,22 @@ static int validate_keys_sizes(struct ssi_aead_ctx *ctx) return -EINVAL; break; default: - SSI_LOG_ERR("Invalid auth_mode=%d\n", ctx->auth_mode); + dev_err(dev, "Invalid auth_mode=%d\n", ctx->auth_mode); return -EINVAL; } /* Check cipher key size */ if (unlikely(ctx->flow_mode == S_DIN_to_DES)) { if (ctx->enc_keylen != DES3_EDE_KEY_SIZE) { - SSI_LOG_ERR("Invalid cipher(3DES) key size: %u\n", - ctx->enc_keylen); + dev_err(dev, "Invalid cipher(3DES) key size: %u\n", + ctx->enc_keylen); return -EINVAL; } } else { /* Default assumed to be AES ciphers */ if ((ctx->enc_keylen != AES_KEYSIZE_128) && (ctx->enc_keylen != AES_KEYSIZE_192) && (ctx->enc_keylen != AES_KEYSIZE_256)) { - SSI_LOG_ERR("Invalid cipher(AES) key size: %u\n", - ctx->enc_keylen); + dev_err(dev, "Invalid cipher(AES) key size: %u\n", + ctx->enc_keylen); return -EINVAL; } } @@ -426,7 +431,7 @@ ssi_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int keyl { dma_addr_t key_dma_addr = 0; struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); u32 larval_addr = ssi_ahash_get_larval_digest_sram_addr( ctx->drvdata, ctx->auth_mode); struct ssi_crypto_req ssi_req = {}; @@ -455,8 +460,8 @@ ssi_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int keyl if (likely(keylen != 0)) { key_dma_addr = dma_map_single(dev, (void *)key, keylen, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, key_dma_addr))) { - SSI_LOG_ERR("Mapping key va=0x%p len=%u for" - " DMA failed\n", key, keylen); + dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n", + key, keylen); return -ENOMEM; } if (keylen > blocksize) { @@ -534,7 +539,7 @@ ssi_get_plain_hmac_key(struct crypto_aead *tfm, const u8 *key, unsigned int keyl rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 0); if (unlikely(rc != 0)) - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); if (likely(key_dma_addr != 0)) dma_unmap_single(dev, key_dma_addr, keylen, DMA_TO_DEVICE); @@ -551,10 +556,10 @@ ssi_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) struct crypto_authenc_key_param *param; struct cc_hw_desc desc[MAX_AEAD_SETKEY_SEQ]; int seq_len = 0, rc = -EINVAL; + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("Setting key in context @%p for %s. key=%p keylen=%u\n", - ctx, crypto_tfm_alg_name(crypto_aead_tfm(tfm)), - key, keylen); + dev_dbg(dev, "Setting key in context @%p for %s. key=%p keylen=%u\n", + ctx, crypto_tfm_alg_name(crypto_aead_tfm(tfm)), key, keylen); /* STAT_PHASE_0: Init and sanity checks */ @@ -622,7 +627,7 @@ ssi_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) case DRV_HASH_NULL: /* non-authenc modes, e.g., CCM */ break; /* No auth. key setup */ default: - SSI_LOG_ERR("Unsupported authenc (%d)\n", ctx->auth_mode); + dev_err(dev, "Unsupported authenc (%d)\n", ctx->auth_mode); rc = -ENOTSUPP; goto badkey; } @@ -632,7 +637,7 @@ ssi_aead_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) if (seq_len > 0) { /* For CCM there is no sequence to setup the key */ rc = send_request(ctx->drvdata, &ssi_req, desc, seq_len, 0); if (unlikely(rc != 0)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); goto setkey_error; } } @@ -651,7 +656,6 @@ setkey_error: static int ssi_rfc4309_ccm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); - int rc = 0; if (keylen < 3) return -EINVAL; @@ -659,9 +663,7 @@ static int ssi_rfc4309_ccm_setkey(struct crypto_aead *tfm, const u8 *key, unsign keylen -= 3; memcpy(ctx->ctr_nonce, key + keylen, 3); - rc = ssi_aead_setkey(tfm, key, keylen); - - return rc; + return ssi_aead_setkey(tfm, key, keylen); } #endif /*SSI_CC_HAS_AES_CCM*/ @@ -670,6 +672,7 @@ static int ssi_aead_setauthsize( unsigned int authsize) { struct ssi_aead_ctx *ctx = crypto_aead_ctx(authenc); + struct device *dev = drvdata_to_dev(ctx->drvdata); /* Unsupported auth. sizes */ if ((authsize == 0) || @@ -678,7 +681,7 @@ static int ssi_aead_setauthsize( } ctx->authsize = authsize; - SSI_LOG_DEBUG("authlen=%d\n", ctx->authsize); + dev_dbg(dev, "authlen=%d\n", ctx->authsize); return 0; } @@ -731,10 +734,11 @@ ssi_aead_create_assoc_desc( struct aead_req_ctx *areq_ctx = aead_request_ctx(areq); enum ssi_req_dma_buf_type assoc_dma_type = areq_ctx->assoc_buff_type; unsigned int idx = *seq_size; + struct device *dev = drvdata_to_dev(ctx->drvdata); switch (assoc_dma_type) { case SSI_DMA_BUF_DLLI: - SSI_LOG_DEBUG("ASSOC buffer type DLLI\n"); + dev_dbg(dev, "ASSOC buffer type DLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_DLLI, sg_dma_address(areq->src), areq->assoclen, NS_BIT); set_flow_mode(&desc[idx], @@ -744,7 +748,7 @@ ssi_aead_create_assoc_desc( set_din_not_last_indication(&desc[idx]); break; case SSI_DMA_BUF_MLLI: - SSI_LOG_DEBUG("ASSOC buffer type MLLI\n"); + dev_dbg(dev, "ASSOC buffer type MLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_MLLI, areq_ctx->assoc.sram_addr, areq_ctx->assoc.mlli_nents, NS_BIT); @@ -755,7 +759,7 @@ ssi_aead_create_assoc_desc( break; case SSI_DMA_BUF_NULL: default: - SSI_LOG_ERR("Invalid ASSOC buffer type\n"); + dev_err(dev, "Invalid ASSOC buffer type\n"); } *seq_size = (++idx); @@ -772,6 +776,9 @@ ssi_aead_process_authenc_data_desc( struct aead_req_ctx *areq_ctx = aead_request_ctx(areq); enum ssi_req_dma_buf_type data_dma_type = areq_ctx->data_buff_type; unsigned int idx = *seq_size; + struct crypto_aead *tfm = crypto_aead_reqtfm(areq); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); switch (data_dma_type) { case SSI_DMA_BUF_DLLI: @@ -783,7 +790,7 @@ ssi_aead_process_authenc_data_desc( unsigned int offset = (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? areq_ctx->dst_offset : areq_ctx->src_offset; - SSI_LOG_DEBUG("AUTHENC: SRC/DST buffer type DLLI\n"); + dev_dbg(dev, "AUTHENC: SRC/DST buffer type DLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_DLLI, (sg_dma_address(cipher) + offset), @@ -810,7 +817,7 @@ ssi_aead_process_authenc_data_desc( } } - SSI_LOG_DEBUG("AUTHENC: SRC/DST buffer type MLLI\n"); + dev_dbg(dev, "AUTHENC: SRC/DST buffer type MLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_MLLI, mlli_addr, mlli_nents, NS_BIT); @@ -819,7 +826,7 @@ ssi_aead_process_authenc_data_desc( } case SSI_DMA_BUF_NULL: default: - SSI_LOG_ERR("AUTHENC: Invalid SRC/DST buffer type\n"); + dev_err(dev, "AUTHENC: Invalid SRC/DST buffer type\n"); } *seq_size = (++idx); @@ -835,13 +842,16 @@ ssi_aead_process_cipher_data_desc( unsigned int idx = *seq_size; struct aead_req_ctx *areq_ctx = aead_request_ctx(areq); enum ssi_req_dma_buf_type data_dma_type = areq_ctx->data_buff_type; + struct crypto_aead *tfm = crypto_aead_reqtfm(areq); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); if (areq_ctx->cryptlen == 0) return; /*null processing*/ switch (data_dma_type) { case SSI_DMA_BUF_DLLI: - SSI_LOG_DEBUG("CIPHER: SRC/DST buffer type DLLI\n"); + dev_dbg(dev, "CIPHER: SRC/DST buffer type DLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_DLLI, (sg_dma_address(areq_ctx->src_sgl) + @@ -853,7 +863,7 @@ ssi_aead_process_cipher_data_desc( set_flow_mode(&desc[idx], flow_mode); break; case SSI_DMA_BUF_MLLI: - SSI_LOG_DEBUG("CIPHER: SRC/DST buffer type MLLI\n"); + dev_dbg(dev, "CIPHER: SRC/DST buffer type MLLI\n"); hw_desc_init(&desc[idx]); set_din_type(&desc[idx], DMA_MLLI, areq_ctx->src.sram_addr, areq_ctx->src.mlli_nents, NS_BIT); @@ -863,7 +873,7 @@ ssi_aead_process_cipher_data_desc( break; case SSI_DMA_BUF_NULL: default: - SSI_LOG_ERR("CIPHER: Invalid SRC/DST buffer type\n"); + dev_err(dev, "CIPHER: Invalid SRC/DST buffer type\n"); } *seq_size = (++idx); @@ -1178,14 +1188,15 @@ static inline void ssi_aead_load_mlli_to_sram( struct aead_req_ctx *req_ctx = aead_request_ctx(req); struct crypto_aead *tfm = crypto_aead_reqtfm(req); struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); if (unlikely( (req_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI) || (req_ctx->data_buff_type == SSI_DMA_BUF_MLLI) || !req_ctx->is_single_pass)) { - SSI_LOG_DEBUG("Copy-to-sram: mlli_dma=%08x, mlli_size=%u\n", - (unsigned int)ctx->drvdata->mlli_sram_addr, - req_ctx->mlli_params.mlli_len); + dev_dbg(dev, "Copy-to-sram: mlli_dma=%08x, mlli_size=%u\n", + (unsigned int)ctx->drvdata->mlli_sram_addr, + req_ctx->mlli_params.mlli_len); /* Copy MLLI table host-to-sram */ hw_desc_init(&desc[*seq_size]); set_din_type(&desc[*seq_size], DMA_DLLI, @@ -1333,6 +1344,7 @@ static int validate_data_size(struct ssi_aead_ctx *ctx, struct aead_request *req) { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); + struct device *dev = drvdata_to_dev(ctx->drvdata); unsigned int assoclen = req->assoclen; unsigned int cipherlen = (direct == DRV_CRYPTO_DIRECTION_DECRYPT) ? (req->cryptlen - ctx->authsize) : req->cryptlen; @@ -1371,7 +1383,7 @@ static int validate_data_size(struct ssi_aead_ctx *ctx, areq_ctx->is_single_pass = false; break; default: - SSI_LOG_ERR("Unexpected flow mode (%d)\n", ctx->flow_mode); + dev_err(dev, "Unexpected flow mode (%d)\n", ctx->flow_mode); goto data_size_err; } @@ -1554,6 +1566,7 @@ static int config_ccm_adata(struct aead_request *req) { struct crypto_aead *tfm = crypto_aead_reqtfm(req); struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *req_ctx = aead_request_ctx(req); //unsigned int size_of_a = 0, rem_a_size = 0; unsigned int lp = req->iv[0]; @@ -1575,7 +1588,7 @@ static int config_ccm_adata(struct aead_request *req) /* taken from crypto/ccm.c */ /* 2 <= L <= 8, so 1 <= L' <= 7. */ if (l < 2 || l > 8) { - SSI_LOG_ERR("illegal iv value %X\n", req->iv[0]); + dev_err(dev, "illegal iv value %X\n", req->iv[0]); return -EINVAL; } memcpy(b0, req->iv, AES_BLOCK_SIZE); @@ -1588,8 +1601,10 @@ static int config_ccm_adata(struct aead_request *req) *b0 |= 64; /* Enable bit 6 if Adata exists. */ rc = set_msg_len(b0 + 16 - l, cryptlen, l); /* Write L'. */ - if (rc != 0) + if (rc != 0) { + dev_err(dev, "message len overflow detected"); return rc; + } /* END of "taken from crypto/ccm.c" */ /* l(a) - size of associated data. */ @@ -1812,7 +1827,6 @@ static inline int ssi_aead_gcm( unsigned int *seq_size) { struct aead_req_ctx *req_ctx = aead_request_ctx(req); - unsigned int idx = *seq_size; unsigned int cipher_flow_mode; if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { @@ -1829,7 +1843,6 @@ static inline int ssi_aead_gcm( ssi_aead_create_assoc_desc(req, DIN_HASH, desc, seq_size); ssi_aead_gcm_setup_gctr_desc(req, desc, seq_size); ssi_aead_process_gcm_result_desc(req, desc, seq_size); - idx = *seq_size; return 0; } @@ -1844,7 +1857,6 @@ static inline int ssi_aead_gcm( ssi_aead_process_cipher_data_desc(req, cipher_flow_mode, desc, seq_size); ssi_aead_process_gcm_result_desc(req, desc, seq_size); - idx = *seq_size; return 0; } @@ -1861,13 +1873,13 @@ static inline void ssi_aead_dump_gcm( return; if (title) { - SSI_LOG_DEBUG("----------------------------------------------------------------------------------"); - SSI_LOG_DEBUG("%s\n", title); + dev_dbg(dev, "----------------------------------------------------------------------------------"); + dev_dbg(dev, "%s\n", title); } - SSI_LOG_DEBUG("cipher_mode %d, authsize %d, enc_keylen %d, assoclen %d, cryptlen %d\n", - ctx->cipher_mode, ctx->authsize, ctx->enc_keylen, - req->assoclen, req_ctx->cryptlen); + dev_dbg(dev, "cipher_mode %d, authsize %d, enc_keylen %d, assoclen %d, cryptlen %d\n", + ctx->cipher_mode, ctx->authsize, ctx->enc_keylen, + req->assoclen, req_ctx->cryptlen); if (ctx->enckey) dump_byte_array("mac key", ctx->enckey, 16); @@ -1897,6 +1909,7 @@ static int config_gcm_context(struct aead_request *req) struct crypto_aead *tfm = crypto_aead_reqtfm(req); struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); struct aead_req_ctx *req_ctx = aead_request_ctx(req); + struct device *dev = drvdata_to_dev(ctx->drvdata); unsigned int cryptlen = (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_ENCRYPT) ? @@ -1904,7 +1917,8 @@ static int config_gcm_context(struct aead_request *req) (req->cryptlen - ctx->authsize); __be32 counter = cpu_to_be32(2); - SSI_LOG_DEBUG("%s() cryptlen = %d, req->assoclen = %d ctx->authsize = %d\n", __func__, cryptlen, req->assoclen, ctx->authsize); + dev_dbg(dev, "%s() cryptlen = %d, req->assoclen = %d ctx->authsize = %d\n", + __func__, cryptlen, req->assoclen, ctx->authsize); memset(req_ctx->hkey, 0, AES_BLOCK_SIZE); @@ -1958,20 +1972,20 @@ static int ssi_aead_process(struct aead_request *req, enum drv_crypto_direction struct crypto_aead *tfm = crypto_aead_reqtfm(req); struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); struct ssi_crypto_req ssi_req = {}; - SSI_LOG_DEBUG("%s context=%p req=%p iv=%p src=%p src_ofs=%d dst=%p dst_ofs=%d cryptolen=%d\n", - ((direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? "Encrypt" : "Decrypt"), - ctx, req, req->iv, sg_virt(req->src), req->src->offset, - sg_virt(req->dst), req->dst->offset, req->cryptlen); + dev_dbg(dev, "%s context=%p req=%p iv=%p src=%p src_ofs=%d dst=%p dst_ofs=%d cryptolen=%d\n", + ((direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? "Enc" : "Dec"), + ctx, req, req->iv, sg_virt(req->src), req->src->offset, + sg_virt(req->dst), req->dst->offset, req->cryptlen); /* STAT_PHASE_0: Init and sanity checks */ /* Check data length according to mode */ if (unlikely(validate_data_size(ctx, direct, req) != 0)) { - SSI_LOG_ERR("Unsupported crypt/assoc len %d/%d.\n", - req->cryptlen, req->assoclen); + dev_err(dev, "Unsupported crypt/assoc len %d/%d.\n", + req->cryptlen, req->assoclen); crypto_aead_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); return -EINVAL; } @@ -2017,7 +2031,8 @@ static int ssi_aead_process(struct aead_request *req, enum drv_crypto_direction if (ctx->cipher_mode == DRV_CIPHER_CCM) { rc = config_ccm_adata(req); if (unlikely(rc != 0)) { - SSI_LOG_ERR("config_ccm_adata() returned with a failure %d!", rc); + dev_dbg(dev, "config_ccm_adata() returned with a failure %d!", + rc); goto exit; } } else { @@ -2031,7 +2046,8 @@ static int ssi_aead_process(struct aead_request *req, enum drv_crypto_direction if (ctx->cipher_mode == DRV_CIPHER_GCTR) { rc = config_gcm_context(req); if (unlikely(rc != 0)) { - SSI_LOG_ERR("config_gcm_context() returned with a failure %d!", rc); + dev_dbg(dev, "config_gcm_context() returned with a failure %d!", + rc); goto exit; } } @@ -2039,7 +2055,7 @@ static int ssi_aead_process(struct aead_request *req, enum drv_crypto_direction rc = ssi_buffer_mgr_map_aead_request(ctx->drvdata, req); if (unlikely(rc != 0)) { - SSI_LOG_ERR("map_request() failed\n"); + dev_err(dev, "map_request() failed\n"); goto exit; } @@ -2095,7 +2111,7 @@ static int ssi_aead_process(struct aead_request *req, enum drv_crypto_direction break; #endif default: - SSI_LOG_ERR("Unsupported authenc (%d)\n", ctx->auth_mode); + dev_err(dev, "Unsupported authenc (%d)\n", ctx->auth_mode); ssi_buffer_mgr_unmap_aead_request(dev, req); rc = -ENOTSUPP; goto exit; @@ -2106,7 +2122,7 @@ static int ssi_aead_process(struct aead_request *req, enum drv_crypto_direction rc = send_request(ctx->drvdata, &ssi_req, desc, seq_len, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_aead_request(dev, req); } @@ -2139,10 +2155,13 @@ static int ssi_rfc4309_ccm_encrypt(struct aead_request *req) /* Very similar to ssi_aead_encrypt() above. */ struct aead_req_ctx *areq_ctx = aead_request_ctx(req); + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); int rc = -EINVAL; if (!valid_assoclen(req)) { - SSI_LOG_ERR("invalid Assoclen:%u\n", req->assoclen); + dev_err(dev, "invalid Assoclen:%u\n", req->assoclen); goto out; } @@ -2183,13 +2202,14 @@ static int ssi_aead_decrypt(struct aead_request *req) #if SSI_CC_HAS_AES_CCM static int ssi_rfc4309_ccm_decrypt(struct aead_request *req) { - /* Very similar to ssi_aead_decrypt() above. */ - + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc = -EINVAL; if (!valid_assoclen(req)) { - SSI_LOG_ERR("invalid Assoclen:%u\n", req->assoclen); + dev_err(dev, "invalid Assoclen:%u\n", req->assoclen); goto out; } @@ -2214,9 +2234,9 @@ out: static int ssi_rfc4106_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); - int rc = 0; + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("%s() keylen %d, key %p\n", __func__, keylen, key); + dev_dbg(dev, "%s() keylen %d, key %p\n", __func__, keylen, key); if (keylen < 4) return -EINVAL; @@ -2224,17 +2244,15 @@ static int ssi_rfc4106_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsign keylen -= 4; memcpy(ctx->ctr_nonce, key + keylen, 4); - rc = ssi_aead_setkey(tfm, key, keylen); - - return rc; + return ssi_aead_setkey(tfm, key, keylen); } static int ssi_rfc4543_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsigned int keylen) { struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); - int rc = 0; + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("%s() keylen %d, key %p\n", __func__, keylen, key); + dev_dbg(dev, "%s() keylen %d, key %p\n", __func__, keylen, key); if (keylen < 4) return -EINVAL; @@ -2242,9 +2260,7 @@ static int ssi_rfc4543_gcm_setkey(struct crypto_aead *tfm, const u8 *key, unsign keylen -= 4; memcpy(ctx->ctr_nonce, key + keylen, 4); - rc = ssi_aead_setkey(tfm, key, keylen); - - return rc; + return ssi_aead_setkey(tfm, key, keylen); } static int ssi_gcm_setauthsize(struct crypto_aead *authenc, @@ -2269,7 +2285,10 @@ static int ssi_gcm_setauthsize(struct crypto_aead *authenc, static int ssi_rfc4106_gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize) { - SSI_LOG_DEBUG("authsize %d\n", authsize); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(authenc); + struct device *dev = drvdata_to_dev(ctx->drvdata); + + dev_dbg(dev, "authsize %d\n", authsize); switch (authsize) { case 8: @@ -2286,7 +2305,10 @@ static int ssi_rfc4106_gcm_setauthsize(struct crypto_aead *authenc, static int ssi_rfc4543_gcm_setauthsize(struct crypto_aead *authenc, unsigned int authsize) { - SSI_LOG_DEBUG("authsize %d\n", authsize); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(authenc); + struct device *dev = drvdata_to_dev(ctx->drvdata); + + dev_dbg(dev, "authsize %d\n", authsize); if (authsize != 16) return -EINVAL; @@ -2298,11 +2320,14 @@ static int ssi_rfc4106_gcm_encrypt(struct aead_request *req) { /* Very similar to ssi_aead_encrypt() above. */ + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc = -EINVAL; if (!valid_assoclen(req)) { - SSI_LOG_ERR("invalid Assoclen:%u\n", req->assoclen); + dev_err(dev, "invalid Assoclen:%u\n", req->assoclen); goto out; } @@ -2350,11 +2375,14 @@ static int ssi_rfc4106_gcm_decrypt(struct aead_request *req) { /* Very similar to ssi_aead_decrypt() above. */ + struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct ssi_aead_ctx *ctx = crypto_aead_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); struct aead_req_ctx *areq_ctx = aead_request_ctx(req); int rc = -EINVAL; if (!valid_assoclen(req)) { - SSI_LOG_ERR("invalid Assoclen:%u\n", req->assoclen); + dev_err(dev, "invalid Assoclen:%u\n", req->assoclen); goto out; } @@ -2654,16 +2682,17 @@ static struct ssi_alg_template aead_algs[] = { #endif /*SSI_CC_HAS_AES_GCM*/ }; -static struct ssi_crypto_alg *ssi_aead_create_alg(struct ssi_alg_template *template) +static struct ssi_crypto_alg *ssi_aead_create_alg( + struct ssi_alg_template *template, + struct device *dev) { struct ssi_crypto_alg *t_alg; struct aead_alg *alg; t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); - if (!t_alg) { - SSI_LOG_ERR("failed to allocate t_alg\n"); + if (!t_alg) return ERR_PTR(-ENOMEM); - } + alg = &template->template_aead; snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", template->name); @@ -2713,6 +2742,7 @@ int ssi_aead_alloc(struct ssi_drvdata *drvdata) struct ssi_crypto_alg *t_alg; int rc = -ENOMEM; int alg; + struct device *dev = drvdata_to_dev(drvdata); aead_handle = kmalloc(sizeof(*aead_handle), GFP_KERNEL); if (!aead_handle) { @@ -2720,36 +2750,36 @@ int ssi_aead_alloc(struct ssi_drvdata *drvdata) goto fail0; } + INIT_LIST_HEAD(&aead_handle->aead_list); drvdata->aead_handle = aead_handle; aead_handle->sram_workspace_addr = ssi_sram_mgr_alloc( drvdata, MAX_HMAC_DIGEST_SIZE); if (aead_handle->sram_workspace_addr == NULL_SRAM_ADDR) { - SSI_LOG_ERR("SRAM pool exhausted\n"); + dev_err(dev, "SRAM pool exhausted\n"); rc = -ENOMEM; goto fail1; } - INIT_LIST_HEAD(&aead_handle->aead_list); - /* Linux crypto */ for (alg = 0; alg < ARRAY_SIZE(aead_algs); alg++) { - t_alg = ssi_aead_create_alg(&aead_algs[alg]); + t_alg = ssi_aead_create_alg(&aead_algs[alg], dev); if (IS_ERR(t_alg)) { rc = PTR_ERR(t_alg); - SSI_LOG_ERR("%s alg allocation failed\n", - aead_algs[alg].driver_name); + dev_err(dev, "%s alg allocation failed\n", + aead_algs[alg].driver_name); goto fail1; } t_alg->drvdata = drvdata; rc = crypto_register_aead(&t_alg->aead_alg); if (unlikely(rc != 0)) { - SSI_LOG_ERR("%s alg registration failed\n", - t_alg->aead_alg.base.cra_driver_name); + dev_err(dev, "%s alg registration failed\n", + t_alg->aead_alg.base.cra_driver_name); goto fail2; } else { list_add_tail(&t_alg->entry, &aead_handle->aead_list); - SSI_LOG_DEBUG("Registered %s\n", t_alg->aead_alg.base.cra_driver_name); + dev_dbg(dev, "Registered %s\n", + t_alg->aead_alg.base.cra_driver_name); } } diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c index 63936091d524..1f8a225530a8 100644 --- a/drivers/staging/ccree/ssi_buffer_mgr.c +++ b/drivers/staging/ccree/ssi_buffer_mgr.c @@ -33,14 +33,10 @@ #include "ssi_hash.h" #include "ssi_aead.h" -#ifdef CC_DEBUG #define GET_DMA_BUFFER_TYPE(buff_type) ( \ ((buff_type) == SSI_DMA_BUF_NULL) ? "BUF_NULL" : \ ((buff_type) == SSI_DMA_BUF_DLLI) ? "BUF_DLLI" : \ ((buff_type) == SSI_DMA_BUF_MLLI) ? "BUF_MLLI" : "BUF_INVALID") -#else -#define GET_DMA_BUFFER_TYPE(buff_type) -#endif enum dma_buffer_type { DMA_NULL_TYPE = -1, @@ -76,16 +72,12 @@ struct buffer_array { * @lbytes: [OUT] Returns the amount of bytes at the last entry */ static unsigned int ssi_buffer_mgr_get_sgl_nents( - struct scatterlist *sg_list, unsigned int nbytes, u32 *lbytes, bool *is_chained) + struct device *dev, struct scatterlist *sg_list, + unsigned int nbytes, u32 *lbytes, bool *is_chained) { unsigned int nents = 0; while (nbytes != 0) { - if (sg_is_chain(sg_list)) { - SSI_LOG_ERR("Unexpected chained entry " - "in sg (entry =0x%X)\n", nents); - BUG(); - } if (sg_list->length != 0) { nents++; /* get the number of bytes in the last entry */ @@ -98,7 +90,7 @@ static unsigned int ssi_buffer_mgr_get_sgl_nents( *is_chained = true; } } - SSI_LOG_DEBUG("nents %d last bytes %d\n", nents, *lbytes); + dev_dbg(dev, "nents %d last bytes %d\n", nents, *lbytes); return nents; } @@ -134,20 +126,20 @@ void ssi_buffer_mgr_zero_sgl(struct scatterlist *sgl, u32 data_len) * @direct: */ void ssi_buffer_mgr_copy_scatterlist_portion( - u8 *dest, struct scatterlist *sg, - u32 to_skip, u32 end, - enum ssi_sg_cpy_direct direct) + struct device *dev, u8 *dest, + struct scatterlist *sg, u32 to_skip, + u32 end, enum ssi_sg_cpy_direct direct) { u32 nents, lbytes; - nents = ssi_buffer_mgr_get_sgl_nents(sg, end, &lbytes, NULL); + nents = ssi_buffer_mgr_get_sgl_nents(dev, sg, end, &lbytes, NULL); sg_copy_buffer(sg, nents, (void *)dest, (end - to_skip + 1), to_skip, (direct == SSI_SG_TO_BUF)); } static inline int ssi_buffer_mgr_render_buff_to_mlli( - dma_addr_t buff_dma, u32 buff_size, u32 *curr_nents, - u32 **mlli_entry_pp) + struct device *dev, dma_addr_t buff_dma, u32 buff_size, + u32 *curr_nents, u32 **mlli_entry_pp) { u32 *mlli_entry_p = *mlli_entry_pp; u32 new_nents; @@ -161,9 +153,9 @@ static inline int ssi_buffer_mgr_render_buff_to_mlli( while (buff_size > CC_MAX_MLLI_ENTRY_SIZE) { cc_lli_set_addr(mlli_entry_p, buff_dma); cc_lli_set_size(mlli_entry_p, CC_MAX_MLLI_ENTRY_SIZE); - SSI_LOG_DEBUG("entry[%d]: single_buff=0x%08X size=%08X\n", *curr_nents, - mlli_entry_p[LLI_WORD0_OFFSET], - mlli_entry_p[LLI_WORD1_OFFSET]); + dev_dbg(dev, "entry[%d]: single_buff=0x%08X size=%08X\n", + *curr_nents, mlli_entry_p[LLI_WORD0_OFFSET], + mlli_entry_p[LLI_WORD1_OFFSET]); buff_dma += CC_MAX_MLLI_ENTRY_SIZE; buff_size -= CC_MAX_MLLI_ENTRY_SIZE; mlli_entry_p = mlli_entry_p + 2; @@ -172,9 +164,9 @@ static inline int ssi_buffer_mgr_render_buff_to_mlli( /*Last entry */ cc_lli_set_addr(mlli_entry_p, buff_dma); cc_lli_set_size(mlli_entry_p, buff_size); - SSI_LOG_DEBUG("entry[%d]: single_buff=0x%08X size=%08X\n", *curr_nents, - mlli_entry_p[LLI_WORD0_OFFSET], - mlli_entry_p[LLI_WORD1_OFFSET]); + dev_dbg(dev, "entry[%d]: single_buff=0x%08X size=%08X\n", + *curr_nents, mlli_entry_p[LLI_WORD0_OFFSET], + mlli_entry_p[LLI_WORD1_OFFSET]); mlli_entry_p = mlli_entry_p + 2; *mlli_entry_pp = mlli_entry_p; (*curr_nents)++; @@ -182,8 +174,9 @@ static inline int ssi_buffer_mgr_render_buff_to_mlli( } static inline int ssi_buffer_mgr_render_scatterlist_to_mlli( - struct scatterlist *sgl, u32 sgl_data_len, u32 sgl_offset, - u32 *curr_nents, u32 **mlli_entry_pp) + struct device *dev, struct scatterlist *sgl, + u32 sgl_data_len, u32 sgl_offset, u32 *curr_nents, + u32 **mlli_entry_pp) { struct scatterlist *curr_sgl = sgl; u32 *mlli_entry_p = *mlli_entry_pp; @@ -197,8 +190,8 @@ static inline int ssi_buffer_mgr_render_scatterlist_to_mlli( sgl_data_len; sgl_data_len -= entry_data_len; rc = ssi_buffer_mgr_render_buff_to_mlli( - sg_dma_address(curr_sgl) + sgl_offset, entry_data_len, - curr_nents, &mlli_entry_p); + dev, sg_dma_address(curr_sgl) + sgl_offset, + entry_data_len, curr_nents, &mlli_entry_p); if (rc != 0) return rc; @@ -217,14 +210,14 @@ static int ssi_buffer_mgr_generate_mlli( u32 total_nents = 0, prev_total_nents = 0; int rc = 0, i; - SSI_LOG_DEBUG("NUM of SG's = %d\n", sg_data->num_of_buffers); + dev_dbg(dev, "NUM of SG's = %d\n", sg_data->num_of_buffers); /* Allocate memory from the pointed pool */ mlli_params->mlli_virt_addr = dma_pool_alloc( mlli_params->curr_pool, GFP_KERNEL, &mlli_params->mlli_dma_addr); if (unlikely(!mlli_params->mlli_virt_addr)) { - SSI_LOG_ERR("dma_pool_alloc() failed\n"); + dev_err(dev, "dma_pool_alloc() failed\n"); rc = -ENOMEM; goto build_mlli_exit; } @@ -234,12 +227,12 @@ static int ssi_buffer_mgr_generate_mlli( for (i = 0; i < sg_data->num_of_buffers; i++) { if (sg_data->type[i] == DMA_SGL_TYPE) rc = ssi_buffer_mgr_render_scatterlist_to_mlli( - sg_data->entry[i].sgl, - sg_data->total_data_len[i], sg_data->offset[i], &total_nents, - &mlli_p); + dev, sg_data->entry[i].sgl, + sg_data->total_data_len[i], sg_data->offset[i], + &total_nents, &mlli_p); else /*DMA_BUFF_TYPE*/ rc = ssi_buffer_mgr_render_buff_to_mlli( - sg_data->entry[i].buffer_dma, + dev, sg_data->entry[i].buffer_dma, sg_data->total_data_len[i], &total_nents, &mlli_p); if (rc != 0) @@ -259,26 +252,23 @@ static int ssi_buffer_mgr_generate_mlli( /* Set MLLI size for the bypass operation */ mlli_params->mlli_len = (total_nents * LLI_ENTRY_BYTE_SIZE); - SSI_LOG_DEBUG("MLLI params: " - "virt_addr=%pK dma_addr=%pad mlli_len=0x%X\n", - mlli_params->mlli_virt_addr, - mlli_params->mlli_dma_addr, - mlli_params->mlli_len); + dev_dbg(dev, "MLLI params: virt_addr=%pK dma_addr=%pad mlli_len=0x%X\n", + mlli_params->mlli_virt_addr, &mlli_params->mlli_dma_addr, + mlli_params->mlli_len); build_mlli_exit: return rc; } static inline void ssi_buffer_mgr_add_buffer_entry( - struct buffer_array *sgl_data, + struct device *dev, struct buffer_array *sgl_data, dma_addr_t buffer_dma, unsigned int buffer_len, bool is_last_entry, u32 *mlli_nents) { unsigned int index = sgl_data->num_of_buffers; - SSI_LOG_DEBUG("index=%u single_buff=%pad " - "buffer_len=0x%08X is_last=%d\n", - index, buffer_dma, buffer_len, is_last_entry); + dev_dbg(dev, "index=%u single_buff=%pad buffer_len=0x%08X is_last=%d\n", + index, &buffer_dma, buffer_len, is_last_entry); sgl_data->nents[index] = 1; sgl_data->entry[index].buffer_dma = buffer_dma; sgl_data->offset[index] = 0; @@ -292,6 +282,7 @@ static inline void ssi_buffer_mgr_add_buffer_entry( } static inline void ssi_buffer_mgr_add_scatterlist_entry( + struct device *dev, struct buffer_array *sgl_data, unsigned int nents, struct scatterlist *sgl, @@ -302,8 +293,8 @@ static inline void ssi_buffer_mgr_add_scatterlist_entry( { unsigned int index = sgl_data->num_of_buffers; - SSI_LOG_DEBUG("index=%u nents=%u sgl=%pK data_len=0x%08X is_last=%d\n", - index, nents, sgl, data_len, is_last_table); + dev_dbg(dev, "index=%u nents=%u sgl=%pK data_len=0x%08X is_last=%d\n", + index, nents, sgl, data_len, is_last_table); sgl_data->nents[index] = nents; sgl_data->entry[index].sgl = sgl; sgl_data->offset[index] = data_offset; @@ -327,7 +318,7 @@ ssi_buffer_mgr_dma_map_sg(struct device *dev, struct scatterlist *sg, u32 nents, if (!l_sg) break; if (unlikely(dma_map_sg(dev, l_sg, 1, direction) != 1)) { - SSI_LOG_ERR("dma_map_page() sg buffer failed\n"); + dev_err(dev, "dma_map_page() sg buffer failed\n"); goto err; } l_sg = sg_next(l_sg); @@ -356,26 +347,22 @@ static int ssi_buffer_mgr_map_scatterlist( if (sg_is_last(sg)) { /* One entry only case -set to DLLI */ if (unlikely(dma_map_sg(dev, sg, 1, direction) != 1)) { - SSI_LOG_ERR("dma_map_sg() single buffer failed\n"); + dev_err(dev, "dma_map_sg() single buffer failed\n"); return -ENOMEM; } - SSI_LOG_DEBUG("Mapped sg: dma_address=%pad " - "page=%p addr=%pK offset=%u " - "length=%u\n", - sg_dma_address(sg), - sg_page(sg), - sg_virt(sg), - sg->offset, sg->length); + dev_dbg(dev, "Mapped sg: dma_address=%pad page=%p addr=%pK offset=%u length=%u\n", + &sg_dma_address(sg), sg_page(sg), sg_virt(sg), + sg->offset, sg->length); *lbytes = nbytes; *nents = 1; *mapped_nents = 1; } else { /*sg_is_last*/ - *nents = ssi_buffer_mgr_get_sgl_nents(sg, nbytes, lbytes, + *nents = ssi_buffer_mgr_get_sgl_nents(dev, sg, nbytes, lbytes, &is_chained); if (*nents > max_sg_nents) { *nents = 0; - SSI_LOG_ERR("Too many fragments. current %d max %d\n", - *nents, max_sg_nents); + dev_err(dev, "Too many fragments. current %d max %d\n", + *nents, max_sg_nents); return -ENOMEM; } if (!is_chained) { @@ -385,7 +372,7 @@ static int ssi_buffer_mgr_map_scatterlist( *mapped_nents = dma_map_sg(dev, sg, *nents, direction); if (unlikely(*mapped_nents == 0)) { *nents = 0; - SSI_LOG_ERR("dma_map_sg() sg buffer failed\n"); + dev_err(dev, "dma_map_sg() sg buffer failed\n"); return -ENOMEM; } } else { @@ -398,7 +385,7 @@ static int ssi_buffer_mgr_map_scatterlist( direction); if (unlikely(*mapped_nents != *nents)) { *nents = *mapped_nents; - SSI_LOG_ERR("dma_map_sg() sg buffer failed\n"); + dev_err(dev, "dma_map_sg() sg buffer failed\n"); return -ENOMEM; } } @@ -414,26 +401,22 @@ ssi_aead_handle_config_buf(struct device *dev, struct buffer_array *sg_data, unsigned int assoclen) { - SSI_LOG_DEBUG(" handle additional data config set to DLLI\n"); + dev_dbg(dev, " handle additional data config set to DLLI\n"); /* create sg for the current buffer */ sg_init_one(&areq_ctx->ccm_adata_sg, config_data, AES_BLOCK_SIZE + areq_ctx->ccm_hdr_size); if (unlikely(dma_map_sg(dev, &areq_ctx->ccm_adata_sg, 1, DMA_TO_DEVICE) != 1)) { - SSI_LOG_ERR("dma_map_sg() " - "config buffer failed\n"); - return -ENOMEM; + dev_err(dev, "dma_map_sg() config buffer failed\n"); + return -ENOMEM; } - SSI_LOG_DEBUG("Mapped curr_buff: dma_address=%pad " - "page=%p addr=%pK " - "offset=%u length=%u\n", - sg_dma_address(&areq_ctx->ccm_adata_sg), - sg_page(&areq_ctx->ccm_adata_sg), - sg_virt(&areq_ctx->ccm_adata_sg), - areq_ctx->ccm_adata_sg.offset, - areq_ctx->ccm_adata_sg.length); + dev_dbg(dev, "Mapped curr_buff: dma_address=%pad page=%p addr=%pK offset=%u length=%u\n", + &sg_dma_address(&areq_ctx->ccm_adata_sg), + sg_page(&areq_ctx->ccm_adata_sg), + sg_virt(&areq_ctx->ccm_adata_sg), + areq_ctx->ccm_adata_sg.offset, areq_ctx->ccm_adata_sg.length); /* prepare for case of MLLI */ if (assoclen > 0) { - ssi_buffer_mgr_add_scatterlist_entry(sg_data, 1, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, 1, &areq_ctx->ccm_adata_sg, (AES_BLOCK_SIZE + areq_ctx->ccm_hdr_size), 0, false, NULL); @@ -447,28 +430,23 @@ static inline int ssi_ahash_handle_curr_buf(struct device *dev, u32 curr_buff_cnt, struct buffer_array *sg_data) { - SSI_LOG_DEBUG(" handle curr buff %x set to DLLI\n", curr_buff_cnt); + dev_dbg(dev, " handle curr buff %x set to DLLI\n", curr_buff_cnt); /* create sg for the current buffer */ sg_init_one(areq_ctx->buff_sg, curr_buff, curr_buff_cnt); if (unlikely(dma_map_sg(dev, areq_ctx->buff_sg, 1, DMA_TO_DEVICE) != 1)) { - SSI_LOG_ERR("dma_map_sg() " - "src buffer failed\n"); - return -ENOMEM; + dev_err(dev, "dma_map_sg() src buffer failed\n"); + return -ENOMEM; } - SSI_LOG_DEBUG("Mapped curr_buff: dma_address=%pad " - "page=%p addr=%pK " - "offset=%u length=%u\n", - sg_dma_address(areq_ctx->buff_sg), - sg_page(areq_ctx->buff_sg), - sg_virt(areq_ctx->buff_sg), - areq_ctx->buff_sg->offset, - areq_ctx->buff_sg->length); + dev_dbg(dev, "Mapped curr_buff: dma_address=%pad page=%p addr=%pK offset=%u length=%u\n", + &sg_dma_address(areq_ctx->buff_sg), sg_page(areq_ctx->buff_sg), + sg_virt(areq_ctx->buff_sg), areq_ctx->buff_sg->offset, + areq_ctx->buff_sg->length); areq_ctx->data_dma_buf_type = SSI_DMA_BUF_DLLI; areq_ctx->curr_sg = areq_ctx->buff_sg; areq_ctx->in_nents = 0; /* prepare for case of MLLI */ - ssi_buffer_mgr_add_scatterlist_entry(sg_data, 1, areq_ctx->buff_sg, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, 1, areq_ctx->buff_sg, curr_buff_cnt, 0, false, NULL); return 0; } @@ -483,9 +461,8 @@ void ssi_buffer_mgr_unmap_blkcipher_request( struct blkcipher_req_ctx *req_ctx = (struct blkcipher_req_ctx *)ctx; if (likely(req_ctx->gen_ctx.iv_dma_addr != 0)) { - SSI_LOG_DEBUG("Unmapped iv: iv_dma_addr=%pad iv_size=%u\n", - req_ctx->gen_ctx.iv_dma_addr, - ivsize); + dev_dbg(dev, "Unmapped iv: iv_dma_addr=%pad iv_size=%u\n", + &req_ctx->gen_ctx.iv_dma_addr, ivsize); dma_unmap_single(dev, req_ctx->gen_ctx.iv_dma_addr, ivsize, req_ctx->is_giv ? DMA_BIDIRECTIONAL : @@ -499,11 +476,11 @@ void ssi_buffer_mgr_unmap_blkcipher_request( } dma_unmap_sg(dev, src, req_ctx->in_nents, DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped req->src=%pK\n", sg_virt(src)); + dev_dbg(dev, "Unmapped req->src=%pK\n", sg_virt(src)); if (src != dst) { dma_unmap_sg(dev, dst, req_ctx->out_nents, DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped req->dst=%pK\n", sg_virt(dst)); + dev_dbg(dev, "Unmapped req->dst=%pK\n", sg_virt(dst)); } } @@ -519,7 +496,7 @@ int ssi_buffer_mgr_map_blkcipher_request( struct blkcipher_req_ctx *req_ctx = (struct blkcipher_req_ctx *)ctx; struct mlli_params *mlli_params = &req_ctx->mlli_params; struct buff_mgr_handle *buff_mgr = drvdata->buff_mgr_handle; - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); struct buffer_array sg_data; u32 dummy = 0; int rc = 0; @@ -539,13 +516,12 @@ int ssi_buffer_mgr_map_blkcipher_request( DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, req_ctx->gen_ctx.iv_dma_addr))) { - SSI_LOG_ERR("Mapping iv %u B at va=%pK " - "for DMA failed\n", ivsize, info); + dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n", + ivsize, info); return -ENOMEM; } - SSI_LOG_DEBUG("Mapped iv %u B at va=%pK to dma=%pad\n", - ivsize, info, - req_ctx->gen_ctx.iv_dma_addr); + dev_dbg(dev, "Mapped iv %u B at va=%pK to dma=%pad\n", + ivsize, info, &req_ctx->gen_ctx.iv_dma_addr); } else { req_ctx->gen_ctx.iv_dma_addr = 0; } @@ -567,7 +543,7 @@ int ssi_buffer_mgr_map_blkcipher_request( /* Handle inplace operation */ if (unlikely(req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI)) { req_ctx->out_nents = 0; - ssi_buffer_mgr_add_scatterlist_entry(&sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, &sg_data, req_ctx->in_nents, src, nbytes, 0, true, @@ -587,12 +563,12 @@ int ssi_buffer_mgr_map_blkcipher_request( req_ctx->dma_buf_type = SSI_DMA_BUF_MLLI; if (unlikely((req_ctx->dma_buf_type == SSI_DMA_BUF_MLLI))) { - ssi_buffer_mgr_add_scatterlist_entry(&sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, &sg_data, req_ctx->in_nents, src, nbytes, 0, true, &req_ctx->in_mlli_nents); - ssi_buffer_mgr_add_scatterlist_entry(&sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, &sg_data, req_ctx->out_nents, dst, nbytes, 0, true, @@ -607,8 +583,8 @@ int ssi_buffer_mgr_map_blkcipher_request( goto ablkcipher_exit; } - SSI_LOG_DEBUG("areq_ctx->dma_buf_type = %s\n", - GET_DMA_BUFFER_TYPE(req_ctx->dma_buf_type)); + dev_dbg(dev, "areq_ctx->dma_buf_type = %s\n", + GET_DMA_BUFFER_TYPE(req_ctx->dma_buf_type)); return 0; @@ -674,30 +650,34 @@ void ssi_buffer_mgr_unmap_aead_request( *allocated and should be released */ if (areq_ctx->mlli_params.curr_pool) { - SSI_LOG_DEBUG("free MLLI buffer: dma=%pad virt=%pK\n", - areq_ctx->mlli_params.mlli_dma_addr, - areq_ctx->mlli_params.mlli_virt_addr); + dev_dbg(dev, "free MLLI buffer: dma=%pad virt=%pK\n", + &areq_ctx->mlli_params.mlli_dma_addr, + areq_ctx->mlli_params.mlli_virt_addr); dma_pool_free(areq_ctx->mlli_params.curr_pool, areq_ctx->mlli_params.mlli_virt_addr, areq_ctx->mlli_params.mlli_dma_addr); } - SSI_LOG_DEBUG("Unmapping src sgl: req->src=%pK areq_ctx->src.nents=%u areq_ctx->assoc.nents=%u assoclen:%u cryptlen=%u\n", sg_virt(req->src), areq_ctx->src.nents, areq_ctx->assoc.nents, req->assoclen, req->cryptlen); + dev_dbg(dev, "Unmapping src sgl: req->src=%pK areq_ctx->src.nents=%u areq_ctx->assoc.nents=%u assoclen:%u cryptlen=%u\n", + sg_virt(req->src), areq_ctx->src.nents, areq_ctx->assoc.nents, + req->assoclen, req->cryptlen); size_to_unmap = req->assoclen + req->cryptlen; if (areq_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_ENCRYPT) size_to_unmap += areq_ctx->req_authsize; if (areq_ctx->is_gcm4543) size_to_unmap += crypto_aead_ivsize(tfm); - dma_unmap_sg(dev, req->src, ssi_buffer_mgr_get_sgl_nents(req->src, size_to_unmap, &dummy, &chained), DMA_BIDIRECTIONAL); + dma_unmap_sg(dev, req->src, + ssi_buffer_mgr_get_sgl_nents(dev, req->src, size_to_unmap, + &dummy, &chained), + DMA_BIDIRECTIONAL); if (unlikely(req->src != req->dst)) { - SSI_LOG_DEBUG("Unmapping dst sgl: req->dst=%pK\n", - sg_virt(req->dst)); + dev_dbg(dev, "Unmapping dst sgl: req->dst=%pK\n", + sg_virt(req->dst)); dma_unmap_sg(dev, req->dst, - ssi_buffer_mgr_get_sgl_nents(req->dst, + ssi_buffer_mgr_get_sgl_nents(dev, req->dst, size_to_unmap, - &dummy, - &chained), + &dummy, &chained), DMA_BIDIRECTIONAL); } if (drvdata->coherent && @@ -712,13 +692,14 @@ void ssi_buffer_mgr_unmap_aead_request( * data memory overriding that caused by cache coherence problem. */ ssi_buffer_mgr_copy_scatterlist_portion( - areq_ctx->backup_mac, req->src, + dev, areq_ctx->backup_mac, req->src, size_to_skip + req->cryptlen - areq_ctx->req_authsize, size_to_skip + req->cryptlen, SSI_SG_FROM_BUF); } } static inline int ssi_buffer_mgr_get_aead_icv_nents( + struct device *dev, struct scatterlist *sgl, unsigned int sgl_nents, unsigned int authsize, @@ -757,12 +738,12 @@ static inline int ssi_buffer_mgr_get_aead_icv_nents( nents = 2; *is_icv_fragmented = true; } else { - SSI_LOG_ERR("Unsupported num. of ICV fragments (> %d)\n", - MAX_ICV_NENTS_SUPPORTED); + dev_err(dev, "Unsupported num. of ICV fragments (> %d)\n", + MAX_ICV_NENTS_SUPPORTED); nents = -1; /*unsupported*/ } - SSI_LOG_DEBUG("is_frag=%s icv_nents=%u\n", - (*is_icv_fragmented ? "true" : "false"), nents); + dev_dbg(dev, "is_frag=%s icv_nents=%u\n", + (*is_icv_fragmented ? "true" : "false"), nents); return nents; } @@ -775,7 +756,7 @@ static inline int ssi_buffer_mgr_aead_chain_iv( { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); unsigned int hw_iv_size = areq_ctx->hw_iv_size; - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); int rc = 0; if (unlikely(!req->iv)) { @@ -786,22 +767,22 @@ static inline int ssi_buffer_mgr_aead_chain_iv( areq_ctx->gen_ctx.iv_dma_addr = dma_map_single(dev, req->iv, hw_iv_size, DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(dev, areq_ctx->gen_ctx.iv_dma_addr))) { - SSI_LOG_ERR("Mapping iv %u B at va=%pK for DMA failed\n", - hw_iv_size, req->iv); + dev_err(dev, "Mapping iv %u B at va=%pK for DMA failed\n", + hw_iv_size, req->iv); rc = -ENOMEM; goto chain_iv_exit; } - SSI_LOG_DEBUG("Mapped iv %u B at va=%pK to dma=%pad\n", - hw_iv_size, req->iv, - areq_ctx->gen_ctx.iv_dma_addr); + dev_dbg(dev, "Mapped iv %u B at va=%pK to dma=%pad\n", + hw_iv_size, req->iv, &areq_ctx->gen_ctx.iv_dma_addr); if (do_chain && areq_ctx->plaintext_authenticate_only) { // TODO: what about CTR?? ask Ron struct crypto_aead *tfm = crypto_aead_reqtfm(req); unsigned int iv_size_to_authenc = crypto_aead_ivsize(tfm); unsigned int iv_ofs = GCM_BLOCK_RFC4_IV_OFFSET; /* Chain to given list */ ssi_buffer_mgr_add_buffer_entry( - sg_data, areq_ctx->gen_ctx.iv_dma_addr + iv_ofs, + dev, sg_data, + areq_ctx->gen_ctx.iv_dma_addr + iv_ofs, iv_size_to_authenc, is_last, &areq_ctx->assoc.mlli_nents); areq_ctx->assoc_buff_type = SSI_DMA_BUF_MLLI; @@ -824,6 +805,7 @@ static inline int ssi_buffer_mgr_aead_chain_assoc( struct crypto_aead *tfm = crypto_aead_reqtfm(req); unsigned int sg_index = 0; u32 size_of_assoc = req->assoclen; + struct device *dev = drvdata_to_dev(drvdata); if (areq_ctx->is_gcm4543) size_of_assoc += crypto_aead_ivsize(tfm); @@ -837,9 +819,9 @@ static inline int ssi_buffer_mgr_aead_chain_assoc( areq_ctx->assoc_buff_type = SSI_DMA_BUF_NULL; areq_ctx->assoc.nents = 0; areq_ctx->assoc.mlli_nents = 0; - SSI_LOG_DEBUG("Chain assoc of length 0: buff_type=%s nents=%u\n", - GET_DMA_BUFFER_TYPE(areq_ctx->assoc_buff_type), - areq_ctx->assoc.nents); + dev_dbg(dev, "Chain assoc of length 0: buff_type=%s nents=%u\n", + GET_DMA_BUFFER_TYPE(areq_ctx->assoc_buff_type), + areq_ctx->assoc.nents); goto chain_assoc_exit; } @@ -853,16 +835,16 @@ static inline int ssi_buffer_mgr_aead_chain_assoc( current_sg = sg_next(current_sg); //if have reached the end of the sgl, then this is unexpected if (!current_sg) { - SSI_LOG_ERR("reached end of sg list. unexpected\n"); - BUG(); + dev_err(dev, "reached end of sg list. unexpected\n"); + return -EINVAL; } sg_index += current_sg->length; mapped_nents++; } } if (unlikely(mapped_nents > LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES)) { - SSI_LOG_ERR("Too many fragments. current %d max %d\n", - mapped_nents, LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES); + dev_err(dev, "Too many fragments. current %d max %d\n", + mapped_nents, LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES); return -ENOMEM; } areq_ctx->assoc.nents = mapped_nents; @@ -873,9 +855,9 @@ static inline int ssi_buffer_mgr_aead_chain_assoc( if (areq_ctx->ccm_hdr_size != ccm_header_size_null) { if (unlikely((mapped_nents + 1) > LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES)) { - SSI_LOG_ERR("CCM case.Too many fragments. Current %d max %d\n", - (areq_ctx->assoc.nents + 1), - LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES); + dev_err(dev, "CCM case.Too many fragments. Current %d max %d\n", + (areq_ctx->assoc.nents + 1), + LLI_MAX_NUM_OF_ASSOC_DATA_ENTRIES); rc = -ENOMEM; goto chain_assoc_exit; } @@ -889,11 +871,11 @@ static inline int ssi_buffer_mgr_aead_chain_assoc( if (unlikely((do_chain) || (areq_ctx->assoc_buff_type == SSI_DMA_BUF_MLLI))) { - SSI_LOG_DEBUG("Chain assoc: buff_type=%s nents=%u\n", - GET_DMA_BUFFER_TYPE(areq_ctx->assoc_buff_type), - areq_ctx->assoc.nents); + dev_dbg(dev, "Chain assoc: buff_type=%s nents=%u\n", + GET_DMA_BUFFER_TYPE(areq_ctx->assoc_buff_type), + areq_ctx->assoc.nents); ssi_buffer_mgr_add_scatterlist_entry( - sg_data, areq_ctx->assoc.nents, + dev, sg_data, areq_ctx->assoc.nents, req->src, req->assoclen, 0, is_last, &areq_ctx->assoc.mlli_nents); areq_ctx->assoc_buff_type = SSI_DMA_BUF_MLLI; @@ -951,10 +933,11 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( unsigned int authsize = areq_ctx->req_authsize; int rc = 0, icv_nents; struct crypto_aead *tfm = crypto_aead_reqtfm(req); + struct device *dev = drvdata_to_dev(drvdata); if (likely(req->src == req->dst)) { /*INPLACE*/ - ssi_buffer_mgr_add_scatterlist_entry(sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, areq_ctx->src.nents, areq_ctx->src_sgl, areq_ctx->cryptlen, @@ -962,7 +945,8 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( is_last_table, &areq_ctx->src.mlli_nents); - icv_nents = ssi_buffer_mgr_get_aead_icv_nents(areq_ctx->src_sgl, + icv_nents = ssi_buffer_mgr_get_aead_icv_nents(dev, + areq_ctx->src_sgl, areq_ctx->src.nents, authsize, *src_last_bytes, @@ -990,7 +974,8 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( skip += crypto_aead_ivsize(tfm); ssi_buffer_mgr_copy_scatterlist_portion( - areq_ctx->backup_mac, req->src, + dev, areq_ctx->backup_mac, + req->src, (skip + req->cryptlen - areq_ctx->req_authsize), skip + req->cryptlen, @@ -1013,14 +998,14 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( } else if (direct == DRV_CRYPTO_DIRECTION_DECRYPT) { /*NON-INPLACE and DECRYPT*/ - ssi_buffer_mgr_add_scatterlist_entry(sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, areq_ctx->src.nents, areq_ctx->src_sgl, areq_ctx->cryptlen, areq_ctx->src_offset, is_last_table, &areq_ctx->src.mlli_nents); - ssi_buffer_mgr_add_scatterlist_entry(sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, areq_ctx->dst.nents, areq_ctx->dst_sgl, areq_ctx->cryptlen, @@ -1028,7 +1013,8 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( is_last_table, &areq_ctx->dst.mlli_nents); - icv_nents = ssi_buffer_mgr_get_aead_icv_nents(areq_ctx->src_sgl, + icv_nents = ssi_buffer_mgr_get_aead_icv_nents(dev, + areq_ctx->src_sgl, areq_ctx->src.nents, authsize, *src_last_bytes, @@ -1043,15 +1029,15 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( * verification is made by CPU compare in order to simplify * MAC verification upon request completion */ - u32 size_to_skip = req->assoclen; + u32 size_to_skip = req->assoclen; - if (areq_ctx->is_gcm4543) - size_to_skip += crypto_aead_ivsize(tfm); + if (areq_ctx->is_gcm4543) + size_to_skip += crypto_aead_ivsize(tfm); - ssi_buffer_mgr_copy_scatterlist_portion( - areq_ctx->backup_mac, req->src, - size_to_skip + req->cryptlen - areq_ctx->req_authsize, - size_to_skip + req->cryptlen, SSI_SG_TO_BUF); + ssi_buffer_mgr_copy_scatterlist_portion( + dev, areq_ctx->backup_mac, req->src, + size_to_skip + req->cryptlen - areq_ctx->req_authsize, + size_to_skip + req->cryptlen, SSI_SG_TO_BUF); areq_ctx->icv_virt_addr = areq_ctx->backup_mac; } else { /* Contig. ICV */ /*Should hanlde if the sg is not contig.*/ @@ -1065,14 +1051,14 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( } else { /*NON-INPLACE and ENCRYPT*/ - ssi_buffer_mgr_add_scatterlist_entry(sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, areq_ctx->dst.nents, areq_ctx->dst_sgl, areq_ctx->cryptlen, areq_ctx->dst_offset, is_last_table, &areq_ctx->dst.mlli_nents); - ssi_buffer_mgr_add_scatterlist_entry(sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, sg_data, areq_ctx->src.nents, areq_ctx->src_sgl, areq_ctx->cryptlen, @@ -1080,7 +1066,8 @@ static inline int ssi_buffer_mgr_prepare_aead_data_mlli( is_last_table, &areq_ctx->src.mlli_nents); - icv_nents = ssi_buffer_mgr_get_aead_icv_nents(areq_ctx->dst_sgl, + icv_nents = ssi_buffer_mgr_get_aead_icv_nents(dev, + areq_ctx->dst_sgl, areq_ctx->dst.nents, authsize, *dst_last_bytes, @@ -1115,7 +1102,7 @@ static inline int ssi_buffer_mgr_aead_chain_data( bool is_last_table, bool do_chain) { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); enum drv_crypto_direction direct = areq_ctx->gen_ctx.op_type; unsigned int authsize = areq_ctx->req_authsize; int src_last_bytes = 0, dst_last_bytes = 0; @@ -1134,10 +1121,9 @@ static inline int ssi_buffer_mgr_aead_chain_data( offset = size_to_skip; - if (!sg_data) { - rc = -EINVAL; - goto chain_data_exit; - } + if (!sg_data) + return -EINVAL; + areq_ctx->src_sgl = req->src; areq_ctx->dst_sgl = req->dst; @@ -1145,7 +1131,10 @@ static inline int ssi_buffer_mgr_aead_chain_data( size_for_map += crypto_aead_ivsize(tfm); size_for_map += (direct == DRV_CRYPTO_DIRECTION_ENCRYPT) ? authsize : 0; - src_mapped_nents = ssi_buffer_mgr_get_sgl_nents(req->src, size_for_map, &src_last_bytes, &chained); + src_mapped_nents = ssi_buffer_mgr_get_sgl_nents(dev, req->src, + size_for_map, + &src_last_bytes, + &chained); sg_index = areq_ctx->src_sgl->length; //check where the data starts while (sg_index <= size_to_skip) { @@ -1153,15 +1142,15 @@ static inline int ssi_buffer_mgr_aead_chain_data( areq_ctx->src_sgl = sg_next(areq_ctx->src_sgl); //if have reached the end of the sgl, then this is unexpected if (!areq_ctx->src_sgl) { - SSI_LOG_ERR("reached end of sg list. unexpected\n"); - BUG(); + dev_err(dev, "reached end of sg list. unexpected\n"); + return -EINVAL; } sg_index += areq_ctx->src_sgl->length; src_mapped_nents--; } if (unlikely(src_mapped_nents > LLI_MAX_NUM_OF_DATA_ENTRIES)) { - SSI_LOG_ERR("Too many fragments. current %d max %d\n", - src_mapped_nents, LLI_MAX_NUM_OF_DATA_ENTRIES); + dev_err(dev, "Too many fragments. current %d max %d\n", + src_mapped_nents, LLI_MAX_NUM_OF_DATA_ENTRIES); return -ENOMEM; } @@ -1187,7 +1176,10 @@ static inline int ssi_buffer_mgr_aead_chain_data( } } - dst_mapped_nents = ssi_buffer_mgr_get_sgl_nents(req->dst, size_for_map, &dst_last_bytes, &chained); + dst_mapped_nents = ssi_buffer_mgr_get_sgl_nents(dev, req->dst, + size_for_map, + &dst_last_bytes, + &chained); sg_index = areq_ctx->dst_sgl->length; offset = size_to_skip; @@ -1197,15 +1189,15 @@ static inline int ssi_buffer_mgr_aead_chain_data( areq_ctx->dst_sgl = sg_next(areq_ctx->dst_sgl); //if have reached the end of the sgl, then this is unexpected if (!areq_ctx->dst_sgl) { - SSI_LOG_ERR("reached end of sg list. unexpected\n"); - BUG(); + dev_err(dev, "reached end of sg list. unexpected\n"); + return -EINVAL; } sg_index += areq_ctx->dst_sgl->length; dst_mapped_nents--; } if (unlikely(dst_mapped_nents > LLI_MAX_NUM_OF_DATA_ENTRIES)) { - SSI_LOG_ERR("Too many fragments. current %d max %d\n", - dst_mapped_nents, LLI_MAX_NUM_OF_DATA_ENTRIES); + dev_err(dev, "Too many fragments. current %d max %d\n", + dst_mapped_nents, LLI_MAX_NUM_OF_DATA_ENTRIES); return -ENOMEM; } areq_ctx->dst.nents = dst_mapped_nents; @@ -1285,7 +1277,7 @@ int ssi_buffer_mgr_map_aead_request( { struct aead_req_ctx *areq_ctx = aead_request_ctx(req); struct mlli_params *mlli_params = &areq_ctx->mlli_params; - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); struct buffer_array sg_data; unsigned int authsize = areq_ctx->req_authsize; struct buff_mgr_handle *buff_mgr = drvdata->buff_mgr_handle; @@ -1312,7 +1304,7 @@ int ssi_buffer_mgr_map_aead_request( * data memory overriding that caused by cache coherence problem. */ ssi_buffer_mgr_copy_scatterlist_portion( - areq_ctx->backup_mac, req->src, + dev, areq_ctx->backup_mac, req->src, size_to_skip + req->cryptlen - areq_ctx->req_authsize, size_to_skip + req->cryptlen, SSI_SG_TO_BUF); } @@ -1327,8 +1319,8 @@ int ssi_buffer_mgr_map_aead_request( MAX_MAC_SIZE, DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(dev, areq_ctx->mac_buf_dma_addr))) { - SSI_LOG_ERR("Mapping mac_buf %u B at va=%pK for DMA failed\n", - MAX_MAC_SIZE, areq_ctx->mac_buf); + dev_err(dev, "Mapping mac_buf %u B at va=%pK for DMA failed\n", + MAX_MAC_SIZE, areq_ctx->mac_buf); rc = -ENOMEM; goto aead_map_failure; } @@ -1340,9 +1332,10 @@ int ssi_buffer_mgr_map_aead_request( DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, areq_ctx->ccm_iv0_dma_addr))) { - SSI_LOG_ERR("Mapping mac_buf %u B at va=%pK " - "for DMA failed\n", AES_BLOCK_SIZE, - (areq_ctx->ccm_config + CCM_CTR_COUNT_0_OFFSET)); + dev_err(dev, "Mapping mac_buf %u B at va=%pK for DMA failed\n", + AES_BLOCK_SIZE, + (areq_ctx->ccm_config + + CCM_CTR_COUNT_0_OFFSET)); areq_ctx->ccm_iv0_dma_addr = 0; rc = -ENOMEM; goto aead_map_failure; @@ -1362,8 +1355,8 @@ int ssi_buffer_mgr_map_aead_request( AES_BLOCK_SIZE, DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(dev, areq_ctx->hkey_dma_addr))) { - SSI_LOG_ERR("Mapping hkey %u B at va=%pK for DMA failed\n", - AES_BLOCK_SIZE, areq_ctx->hkey); + dev_err(dev, "Mapping hkey %u B at va=%pK for DMA failed\n", + AES_BLOCK_SIZE, areq_ctx->hkey); rc = -ENOMEM; goto aead_map_failure; } @@ -1373,8 +1366,8 @@ int ssi_buffer_mgr_map_aead_request( AES_BLOCK_SIZE, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, areq_ctx->gcm_block_len_dma_addr))) { - SSI_LOG_ERR("Mapping gcm_len_block %u B at va=%pK for DMA failed\n", - AES_BLOCK_SIZE, &areq_ctx->gcm_len_block); + dev_err(dev, "Mapping gcm_len_block %u B at va=%pK for DMA failed\n", + AES_BLOCK_SIZE, &areq_ctx->gcm_len_block); rc = -ENOMEM; goto aead_map_failure; } @@ -1385,9 +1378,8 @@ int ssi_buffer_mgr_map_aead_request( DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, areq_ctx->gcm_iv_inc1_dma_addr))) { - SSI_LOG_ERR("Mapping gcm_iv_inc1 %u B at va=%pK " - "for DMA failed\n", AES_BLOCK_SIZE, - (areq_ctx->gcm_iv_inc1)); + dev_err(dev, "Mapping gcm_iv_inc1 %u B at va=%pK for DMA failed\n", + AES_BLOCK_SIZE, (areq_ctx->gcm_iv_inc1)); areq_ctx->gcm_iv_inc1_dma_addr = 0; rc = -ENOMEM; goto aead_map_failure; @@ -1399,9 +1391,8 @@ int ssi_buffer_mgr_map_aead_request( DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, areq_ctx->gcm_iv_inc2_dma_addr))) { - SSI_LOG_ERR("Mapping gcm_iv_inc2 %u B at va=%pK " - "for DMA failed\n", AES_BLOCK_SIZE, - (areq_ctx->gcm_iv_inc2)); + dev_err(dev, "Mapping gcm_iv_inc2 %u B at va=%pK for DMA failed\n", + AES_BLOCK_SIZE, (areq_ctx->gcm_iv_inc2)); areq_ctx->gcm_iv_inc2_dma_addr = 0; rc = -ENOMEM; goto aead_map_failure; @@ -1481,9 +1472,10 @@ int ssi_buffer_mgr_map_aead_request( goto aead_map_failure; ssi_buffer_mgr_update_aead_mlli_nents(drvdata, req); - SSI_LOG_DEBUG("assoc params mn %d\n", areq_ctx->assoc.mlli_nents); - SSI_LOG_DEBUG("src params mn %d\n", areq_ctx->src.mlli_nents); - SSI_LOG_DEBUG("dst params mn %d\n", areq_ctx->dst.mlli_nents); + dev_dbg(dev, "assoc params mn %d\n", + areq_ctx->assoc.mlli_nents); + dev_dbg(dev, "src params mn %d\n", areq_ctx->src.mlli_nents); + dev_dbg(dev, "dst params mn %d\n", areq_ctx->dst.mlli_nents); } return 0; @@ -1496,7 +1488,7 @@ int ssi_buffer_mgr_map_hash_request_final( struct ssi_drvdata *drvdata, void *ctx, struct scatterlist *src, unsigned int nbytes, bool do_update) { struct ahash_req_ctx *areq_ctx = (struct ahash_req_ctx *)ctx; - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); u8 *curr_buff = areq_ctx->buff_index ? areq_ctx->buff1 : areq_ctx->buff0; u32 *curr_buff_cnt = areq_ctx->buff_index ? &areq_ctx->buff1_cnt : @@ -1507,11 +1499,8 @@ int ssi_buffer_mgr_map_hash_request_final( u32 dummy = 0; u32 mapped_nents = 0; - SSI_LOG_DEBUG(" final params : curr_buff=%pK " - "curr_buff_cnt=0x%X nbytes = 0x%X " - "src=%pK curr_index=%u\n", - curr_buff, *curr_buff_cnt, nbytes, - src, areq_ctx->buff_index); + dev_dbg(dev, "final params : curr_buff=%pK curr_buff_cnt=0x%X nbytes = 0x%X src=%pK curr_index=%u\n", + curr_buff, *curr_buff_cnt, nbytes, src, areq_ctx->buff_index); /* Init the type of the dma buffer */ areq_ctx->data_dma_buf_type = SSI_DMA_BUF_NULL; mlli_params->curr_pool = NULL; @@ -1557,7 +1546,7 @@ int ssi_buffer_mgr_map_hash_request_final( if (unlikely(areq_ctx->data_dma_buf_type == SSI_DMA_BUF_MLLI)) { mlli_params->curr_pool = buff_mgr->mlli_buffs_pool; /* add the src data to the sg_data */ - ssi_buffer_mgr_add_scatterlist_entry(&sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, &sg_data, areq_ctx->in_nents, src, nbytes, 0, true, &areq_ctx->mlli_nents); @@ -1568,8 +1557,8 @@ int ssi_buffer_mgr_map_hash_request_final( } /* change the buffer index for the unmap function */ areq_ctx->buff_index = (areq_ctx->buff_index ^ 1); - SSI_LOG_DEBUG("areq_ctx->data_dma_buf_type = %s\n", - GET_DMA_BUFFER_TYPE(areq_ctx->data_dma_buf_type)); + dev_dbg(dev, "areq_ctx->data_dma_buf_type = %s\n", + GET_DMA_BUFFER_TYPE(areq_ctx->data_dma_buf_type)); return 0; fail_unmap_din: @@ -1586,7 +1575,7 @@ int ssi_buffer_mgr_map_hash_request_update( struct ssi_drvdata *drvdata, void *ctx, struct scatterlist *src, unsigned int nbytes, unsigned int block_size) { struct ahash_req_ctx *areq_ctx = (struct ahash_req_ctx *)ctx; - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); u8 *curr_buff = areq_ctx->buff_index ? areq_ctx->buff1 : areq_ctx->buff0; u32 *curr_buff_cnt = areq_ctx->buff_index ? &areq_ctx->buff1_cnt : @@ -1604,11 +1593,8 @@ int ssi_buffer_mgr_map_hash_request_update( u32 dummy = 0; u32 mapped_nents = 0; - SSI_LOG_DEBUG(" update params : curr_buff=%pK " - "curr_buff_cnt=0x%X nbytes=0x%X " - "src=%pK curr_index=%u\n", - curr_buff, *curr_buff_cnt, nbytes, - src, areq_ctx->buff_index); + dev_dbg(dev, " update params : curr_buff=%pK curr_buff_cnt=0x%X nbytes=0x%X src=%pK curr_index=%u\n", + curr_buff, *curr_buff_cnt, nbytes, src, areq_ctx->buff_index); /* Init the type of the dma buffer */ areq_ctx->data_dma_buf_type = SSI_DMA_BUF_NULL; mlli_params->curr_pool = NULL; @@ -1617,14 +1603,11 @@ int ssi_buffer_mgr_map_hash_request_update( areq_ctx->in_nents = 0; if (unlikely(total_in_len < block_size)) { - SSI_LOG_DEBUG(" less than one block: curr_buff=%pK " - "*curr_buff_cnt=0x%X copy_to=%pK\n", - curr_buff, *curr_buff_cnt, - &curr_buff[*curr_buff_cnt]); + dev_dbg(dev, " less than one block: curr_buff=%pK *curr_buff_cnt=0x%X copy_to=%pK\n", + curr_buff, *curr_buff_cnt, &curr_buff[*curr_buff_cnt]); areq_ctx->in_nents = - ssi_buffer_mgr_get_sgl_nents(src, - nbytes, - &dummy, NULL); + ssi_buffer_mgr_get_sgl_nents(dev, src, nbytes, &dummy, + NULL); sg_copy_to_buffer(src, areq_ctx->in_nents, &curr_buff[*curr_buff_cnt], nbytes); *curr_buff_cnt += nbytes; @@ -1636,17 +1619,15 @@ int ssi_buffer_mgr_map_hash_request_update( /* update data len */ update_data_len = total_in_len - *next_buff_cnt; - SSI_LOG_DEBUG(" temp length : *next_buff_cnt=0x%X " - "update_data_len=0x%X\n", + dev_dbg(dev, " temp length : *next_buff_cnt=0x%X update_data_len=0x%X\n", *next_buff_cnt, update_data_len); /* Copy the new residue to next buffer */ if (*next_buff_cnt != 0) { - SSI_LOG_DEBUG(" handle residue: next buff %pK skip data %u" - " residue %u\n", next_buff, - (update_data_len - *curr_buff_cnt), - *next_buff_cnt); - ssi_buffer_mgr_copy_scatterlist_portion(next_buff, src, + dev_dbg(dev, " handle residue: next buff %pK skip data %u residue %u\n", + next_buff, (update_data_len - *curr_buff_cnt), + *next_buff_cnt); + ssi_buffer_mgr_copy_scatterlist_portion(dev, next_buff, src, (update_data_len - *curr_buff_cnt), nbytes, SSI_SG_TO_BUF); /* change the buffer index for next operation */ @@ -1688,7 +1669,7 @@ int ssi_buffer_mgr_map_hash_request_update( if (unlikely(areq_ctx->data_dma_buf_type == SSI_DMA_BUF_MLLI)) { mlli_params->curr_pool = buff_mgr->mlli_buffs_pool; /* add the src data to the sg_data */ - ssi_buffer_mgr_add_scatterlist_entry(&sg_data, + ssi_buffer_mgr_add_scatterlist_entry(dev, &sg_data, areq_ctx->in_nents, src, (update_data_len - *curr_buff_cnt), @@ -1725,29 +1706,26 @@ void ssi_buffer_mgr_unmap_hash_request( *allocated and should be released */ if (areq_ctx->mlli_params.curr_pool) { - SSI_LOG_DEBUG("free MLLI buffer: dma=%pad virt=%pK\n", - areq_ctx->mlli_params.mlli_dma_addr, - areq_ctx->mlli_params.mlli_virt_addr); + dev_dbg(dev, "free MLLI buffer: dma=%pad virt=%pK\n", + &areq_ctx->mlli_params.mlli_dma_addr, + areq_ctx->mlli_params.mlli_virt_addr); dma_pool_free(areq_ctx->mlli_params.curr_pool, areq_ctx->mlli_params.mlli_virt_addr, areq_ctx->mlli_params.mlli_dma_addr); } if ((src) && likely(areq_ctx->in_nents != 0)) { - SSI_LOG_DEBUG("Unmapped sg src: virt=%pK dma=%pad len=0x%X\n", - sg_virt(src), - sg_dma_address(src), - sg_dma_len(src)); + dev_dbg(dev, "Unmapped sg src: virt=%pK dma=%pad len=0x%X\n", + sg_virt(src), &sg_dma_address(src), sg_dma_len(src)); dma_unmap_sg(dev, src, areq_ctx->in_nents, DMA_TO_DEVICE); } if (*prev_len != 0) { - SSI_LOG_DEBUG("Unmapped buffer: areq_ctx->buff_sg=%pK" - " dma=%pad len 0x%X\n", - sg_virt(areq_ctx->buff_sg), - sg_dma_address(areq_ctx->buff_sg), - sg_dma_len(areq_ctx->buff_sg)); + dev_dbg(dev, "Unmapped buffer: areq_ctx->buff_sg=%pK dma=%pad len 0x%X\n", + sg_virt(areq_ctx->buff_sg), + &sg_dma_address(areq_ctx->buff_sg), + sg_dma_len(areq_ctx->buff_sg)); dma_unmap_sg(dev, areq_ctx->buff_sg, 1, DMA_TO_DEVICE); if (!do_revert) { /* clean the previous data length for update operation */ @@ -1761,7 +1739,7 @@ void ssi_buffer_mgr_unmap_hash_request( int ssi_buffer_mgr_init(struct ssi_drvdata *drvdata) { struct buff_mgr_handle *buff_mgr_handle; - struct device *dev = &drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(drvdata); buff_mgr_handle = kmalloc(sizeof(*buff_mgr_handle), GFP_KERNEL); if (!buff_mgr_handle) diff --git a/drivers/staging/ccree/ssi_buffer_mgr.h b/drivers/staging/ccree/ssi_buffer_mgr.h index 41f5223730f8..1032f25edcab 100644 --- a/drivers/staging/ccree/ssi_buffer_mgr.h +++ b/drivers/staging/ccree/ssi_buffer_mgr.h @@ -80,7 +80,10 @@ int ssi_buffer_mgr_map_hash_request_update(struct ssi_drvdata *drvdata, void *ct void ssi_buffer_mgr_unmap_hash_request(struct device *dev, void *ctx, struct scatterlist *src, bool do_revert); -void ssi_buffer_mgr_copy_scatterlist_portion(u8 *dest, struct scatterlist *sg, u32 to_skip, u32 end, enum ssi_sg_cpy_direct direct); +void ssi_buffer_mgr_copy_scatterlist_portion(struct device *dev, u8 *dest, + struct scatterlist *sg, + u32 to_skip, u32 end, + enum ssi_sg_cpy_direct direct); void ssi_buffer_mgr_zero_sgl(struct scatterlist *sgl, u32 data_len); diff --git a/drivers/staging/ccree/ssi_cipher.c b/drivers/staging/ccree/ssi_cipher.c index 8d31a93fd8b7..ee85cbf7c9ae 100644 --- a/drivers/staging/ccree/ssi_cipher.c +++ b/drivers/staging/ccree/ssi_cipher.c @@ -181,45 +181,42 @@ static int ssi_blkcipher_init(struct crypto_tfm *tfm) struct crypto_alg *alg = tfm->__crt_alg; struct ssi_crypto_alg *ssi_alg = container_of(alg, struct ssi_crypto_alg, crypto_alg); - struct device *dev; + struct device *dev = drvdata_to_dev(ssi_alg->drvdata); int rc = 0; unsigned int max_key_buf_size = get_max_keysize(tfm); - SSI_LOG_DEBUG("Initializing context @%p for %s\n", - ctx_p, crypto_tfm_alg_name(tfm)); + dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p, + crypto_tfm_alg_name(tfm)); ctx_p->cipher_mode = ssi_alg->cipher_mode; ctx_p->flow_mode = ssi_alg->flow_mode; ctx_p->drvdata = ssi_alg->drvdata; - dev = &ctx_p->drvdata->plat_dev->dev; /* Allocate key buffer, cache line aligned */ ctx_p->user.key = kmalloc(max_key_buf_size, GFP_KERNEL | GFP_DMA); - if (!ctx_p->user.key) { - SSI_LOG_ERR("Allocating key buffer in context failed\n"); - rc = -ENOMEM; - } - SSI_LOG_DEBUG("Allocated key buffer in context. key=@%p\n", - ctx_p->user.key); + if (!ctx_p->user.key) + return -ENOMEM; + + dev_dbg(dev, "Allocated key buffer in context. key=@%p\n", + ctx_p->user.key); /* Map key buffer */ ctx_p->user.key_dma_addr = dma_map_single(dev, (void *)ctx_p->user.key, max_key_buf_size, DMA_TO_DEVICE); if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) { - SSI_LOG_ERR("Mapping Key %u B at va=%pK for DMA failed\n", - max_key_buf_size, ctx_p->user.key); + dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n", + max_key_buf_size, ctx_p->user.key); return -ENOMEM; } - SSI_LOG_DEBUG("Mapped key %u B at va=%pK to dma=%pad\n", - max_key_buf_size, ctx_p->user.key, - ctx_p->user.key_dma_addr); + dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n", + max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr); if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { /* Alloc hash tfm for essiv */ ctx_p->shash_tfm = crypto_alloc_shash("sha256-generic", 0, 0); if (IS_ERR(ctx_p->shash_tfm)) { - SSI_LOG_ERR("Error allocating hash tfm for ESSIV.\n"); + dev_err(dev, "Error allocating hash tfm for ESSIV.\n"); return PTR_ERR(ctx_p->shash_tfm); } } @@ -230,11 +227,11 @@ static int ssi_blkcipher_init(struct crypto_tfm *tfm) static void ssi_blkcipher_exit(struct crypto_tfm *tfm) { struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm); - struct device *dev = &ctx_p->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx_p->drvdata); unsigned int max_key_buf_size = get_max_keysize(tfm); - SSI_LOG_DEBUG("Clearing context @%p for %s\n", - crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); + dev_dbg(dev, "Clearing context @%p for %s\n", + crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { /* Free hash tfm for essiv */ @@ -245,12 +242,12 @@ static void ssi_blkcipher_exit(struct crypto_tfm *tfm) /* Unmap key buffer */ dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size, DMA_TO_DEVICE); - SSI_LOG_DEBUG("Unmapped key buffer key_dma_addr=%pad\n", - ctx_p->user.key_dma_addr); + dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n", + &ctx_p->user.key_dma_addr); /* Free key buffer in context */ kfree(ctx_p->user.key); - SSI_LOG_DEBUG("Free key buffer in context. key=@%p\n", ctx_p->user.key); + dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key); } struct tdes_keys { @@ -298,16 +295,14 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, unsigned int keylen) { struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm); - struct device *dev = &ctx_p->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx_p->drvdata); u32 tmp[DES_EXPKEY_WORDS]; unsigned int max_key_buf_size = get_max_keysize(tfm); - SSI_LOG_DEBUG("Setting key in context @%p for %s. keylen=%u\n", - ctx_p, crypto_tfm_alg_name(tfm), keylen); + dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n", + ctx_p, crypto_tfm_alg_name(tfm), keylen); dump_byte_array("key", (u8 *)key, keylen); - SSI_LOG_DEBUG("after FIPS check"); - /* STAT_PHASE_0: Init and sanity checks */ #if SSI_CC_HAS_MULTI2 @@ -317,7 +312,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, #endif /*SSI_CC_HAS_MULTI2*/ if (unlikely(validate_keys_sizes(ctx_p, keylen) != 0)) { - SSI_LOG_ERR("Unsupported key size %d.\n", keylen); + dev_err(dev, "Unsupported key size %d.\n", keylen); crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); return -EINVAL; } @@ -327,13 +322,14 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, struct arm_hw_key_info *hki = (struct arm_hw_key_info *)key; if (unlikely(ctx_p->flow_mode != S_DIN_to_AES)) { - SSI_LOG_ERR("HW key not supported for non-AES flows\n"); + dev_err(dev, "HW key not supported for non-AES flows\n"); return -EINVAL; } ctx_p->hw.key1_slot = hw_key_to_cc_hw_key(hki->hw_key1); if (unlikely(ctx_p->hw.key1_slot == END_OF_KEYS)) { - SSI_LOG_ERR("Unsupported hw key1 number (%d)\n", hki->hw_key1); + dev_err(dev, "Unsupported hw key1 number (%d)\n", + hki->hw_key1); return -EINVAL; } @@ -341,18 +337,20 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) || (ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER)) { if (unlikely(hki->hw_key1 == hki->hw_key2)) { - SSI_LOG_ERR("Illegal hw key numbers (%d,%d)\n", hki->hw_key1, hki->hw_key2); + dev_err(dev, "Illegal hw key numbers (%d,%d)\n", + hki->hw_key1, hki->hw_key2); return -EINVAL; } ctx_p->hw.key2_slot = hw_key_to_cc_hw_key(hki->hw_key2); if (unlikely(ctx_p->hw.key2_slot == END_OF_KEYS)) { - SSI_LOG_ERR("Unsupported hw key2 number (%d)\n", hki->hw_key2); + dev_err(dev, "Unsupported hw key2 number (%d)\n", + hki->hw_key2); return -EINVAL; } } ctx_p->keylen = keylen; - SSI_LOG_DEBUG("ssi_is_hw_key ret 0"); + dev_dbg(dev, "ssi_is_hw_key ret 0"); return 0; } @@ -362,19 +360,19 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, if (unlikely(!des_ekey(tmp, key)) && (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_WEAK_KEY)) { tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; - SSI_LOG_DEBUG("weak DES key"); + dev_dbg(dev, "weak DES key"); return -EINVAL; } } if ((ctx_p->cipher_mode == DRV_CIPHER_XTS) && xts_check_key(tfm, key, keylen) != 0) { - SSI_LOG_DEBUG("weak XTS key"); + dev_dbg(dev, "weak XTS key"); return -EINVAL; } if ((ctx_p->flow_mode == S_DIN_to_DES) && (keylen == DES3_EDE_KEY_SIZE) && ssi_verify_3des_keys(key, keylen) != 0) { - SSI_LOG_DEBUG("weak 3DES key"); + dev_dbg(dev, "weak 3DES key"); return -EINVAL; } @@ -389,7 +387,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, if (ctx_p->key_round_number < CC_MULTI2_MIN_NUM_ROUNDS || ctx_p->key_round_number > CC_MULTI2_MAX_NUM_ROUNDS) { crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); - SSI_LOG_DEBUG("SSI_CC_HAS_MULTI2 einval"); + dev_dbg(dev, "SSI_CC_HAS_MULTI2 einval"); return -EINVAL; #endif /*SSI_CC_HAS_MULTI2*/ } else { @@ -407,7 +405,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, err = crypto_shash_digest(desc, ctx_p->user.key, key_len, ctx_p->user.key + key_len); if (err) { - SSI_LOG_ERR("Failed to hash ESSIV key.\n"); + dev_err(dev, "Failed to hash ESSIV key.\n"); return err; } } @@ -416,7 +414,7 @@ static int ssi_blkcipher_setkey(struct crypto_tfm *tfm, max_key_buf_size, DMA_TO_DEVICE); ctx_p->keylen = keylen; - SSI_LOG_DEBUG("return safely"); + dev_dbg(dev, "return safely"); return 0; } @@ -430,6 +428,7 @@ ssi_blkcipher_create_setup_desc( unsigned int *seq_size) { struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx_p->drvdata); int cipher_mode = ctx_p->cipher_mode; int flow_mode = ctx_p->flow_mode; int direction = req_ctx->gen_ctx.op_type; @@ -540,8 +539,7 @@ ssi_blkcipher_create_setup_desc( (*seq_size)++; break; default: - SSI_LOG_ERR("Unsupported cipher mode (%d)\n", cipher_mode); - BUG(); + dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); } } @@ -601,6 +599,7 @@ ssi_blkcipher_create_data_desc( unsigned int *seq_size) { struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx_p->drvdata); unsigned int flow_mode = ctx_p->flow_mode; switch (ctx_p->flow_mode) { @@ -616,15 +615,15 @@ ssi_blkcipher_create_data_desc( break; #endif /*SSI_CC_HAS_MULTI2*/ default: - SSI_LOG_ERR("invalid flow mode, flow_mode = %d\n", flow_mode); + dev_err(dev, "invalid flow mode, flow_mode = %d\n", flow_mode); return; } /* Process */ if (likely(req_ctx->dma_buf_type == SSI_DMA_BUF_DLLI)) { - SSI_LOG_DEBUG(" data params addr %pad length 0x%X\n", - sg_dma_address(src), nbytes); - SSI_LOG_DEBUG(" data params addr %pad length 0x%X\n", - sg_dma_address(dst), nbytes); + dev_dbg(dev, " data params addr %pad length 0x%X\n", + &sg_dma_address(src), nbytes); + dev_dbg(dev, " data params addr %pad length 0x%X\n", + &sg_dma_address(dst), nbytes); hw_desc_init(&desc[*seq_size]); set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), nbytes, NS_BIT); @@ -637,9 +636,8 @@ ssi_blkcipher_create_data_desc( (*seq_size)++; } else { /* bypass */ - SSI_LOG_DEBUG(" bypass params addr %pad " - "length 0x%X addr 0x%08X\n", - req_ctx->mlli_params.mlli_dma_addr, + dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", + &req_ctx->mlli_params.mlli_dma_addr, req_ctx->mlli_params.mlli_len, (unsigned int)ctx_p->drvdata->mlli_sram_addr); hw_desc_init(&desc[*seq_size]); @@ -657,21 +655,18 @@ ssi_blkcipher_create_data_desc( ctx_p->drvdata->mlli_sram_addr, req_ctx->in_mlli_nents, NS_BIT); if (req_ctx->out_nents == 0) { - SSI_LOG_DEBUG(" din/dout params addr 0x%08X " - "addr 0x%08X\n", - (unsigned int)ctx_p->drvdata->mlli_sram_addr, - (unsigned int)ctx_p->drvdata->mlli_sram_addr); + dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", + (unsigned int)ctx_p->drvdata->mlli_sram_addr, + (unsigned int)ctx_p->drvdata->mlli_sram_addr); set_dout_mlli(&desc[*seq_size], ctx_p->drvdata->mlli_sram_addr, req_ctx->in_mlli_nents, NS_BIT, (!areq ? 0 : 1)); } else { - SSI_LOG_DEBUG(" din/dout params " - "addr 0x%08X addr 0x%08X\n", + dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", (unsigned int)ctx_p->drvdata->mlli_sram_addr, (unsigned int)ctx_p->drvdata->mlli_sram_addr + - (u32)LLI_ENTRY_BYTE_SIZE * - req_ctx->in_nents); + (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); set_dout_mlli(&desc[*seq_size], (ctx_p->drvdata->mlli_sram_addr + (LLI_ENTRY_BYTE_SIZE * @@ -697,16 +692,10 @@ static int ssi_blkcipher_complete(struct device *dev, void __iomem *cc_base) { int completion_error = 0; - u32 inflight_counter; struct ablkcipher_request *req = (struct ablkcipher_request *)areq; ssi_buffer_mgr_unmap_blkcipher_request(dev, req_ctx, ivsize, src, dst); - - /*Set the inflight couter value to local variable*/ - inflight_counter = ctx_p->drvdata->inflight_counter; - /*Decrease the inflight counter*/ - if (ctx_p->flow_mode == BYPASS && ctx_p->drvdata->inflight_counter > 0) - ctx_p->drvdata->inflight_counter--; + kfree(req_ctx->iv); if (areq) { /* @@ -742,20 +731,20 @@ static int ssi_blkcipher_process( enum drv_crypto_direction direction) { struct ssi_ablkcipher_ctx *ctx_p = crypto_tfm_ctx(tfm); - struct device *dev = &ctx_p->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx_p->drvdata); struct cc_hw_desc desc[MAX_ABLKCIPHER_SEQ_LEN]; struct ssi_crypto_req ssi_req = {}; int rc, seq_len = 0, cts_restore_flag = 0; - SSI_LOG_DEBUG("%s areq=%p info=%p nbytes=%d\n", - ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? "Encrypt" : "Decrypt"), - areq, info, nbytes); + dev_dbg(dev, "%s areq=%p info=%p nbytes=%d\n", + ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? + "Encrypt" : "Decrypt"), areq, info, nbytes); /* STAT_PHASE_0: Init and sanity checks */ /* TODO: check data length according to mode */ if (unlikely(validate_data_size(ctx_p, nbytes))) { - SSI_LOG_ERR("Unsupported data size %d.\n", nbytes); + dev_err(dev, "Unsupported data size %d.\n", nbytes); crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); rc = -EINVAL; goto exit_process; @@ -765,6 +754,17 @@ static int ssi_blkcipher_process( rc = 0; goto exit_process; } + + /* The IV we are handed may be allocted from the stack so + * we must copy it to a DMAable buffer before use. + */ + req_ctx->iv = kmalloc(ivsize, GFP_KERNEL); + if (!req_ctx->iv) { + rc = -ENOMEM; + goto exit_process; + } + memcpy(req_ctx->iv, info, ivsize); + /*For CTS in case of data size aligned to 16 use CBC mode*/ if (((nbytes % AES_BLOCK_SIZE) == 0) && (ctx_p->cipher_mode == DRV_CIPHER_CBC_CTS)) { ctx_p->cipher_mode = DRV_CIPHER_CBC; @@ -786,9 +786,11 @@ static int ssi_blkcipher_process( /* STAT_PHASE_1: Map buffers */ - rc = ssi_buffer_mgr_map_blkcipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, info, src, dst); + rc = ssi_buffer_mgr_map_blkcipher_request(ctx_p->drvdata, req_ctx, + ivsize, nbytes, req_ctx->iv, + src, dst); if (unlikely(rc != 0)) { - SSI_LOG_ERR("map_request() failed\n"); + dev_err(dev, "map_request() failed\n"); goto exit_process; } @@ -838,8 +840,10 @@ exit_process: if (cts_restore_flag != 0) ctx_p->cipher_mode = DRV_CIPHER_CBC_CTS; - if (rc != -EINPROGRESS) + if (rc != -EINPROGRESS) { kfree(req_ctx->backup_info); + kfree(req_ctx->iv); + } return rc; } @@ -1245,16 +1249,15 @@ static struct ssi_alg_template blkcipher_algs[] = { }; static -struct ssi_crypto_alg *ssi_ablkcipher_create_alg(struct ssi_alg_template *template) +struct ssi_crypto_alg *ssi_ablkcipher_create_alg(struct ssi_alg_template + *template, struct device *dev) { struct ssi_crypto_alg *t_alg; struct crypto_alg *alg; t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); - if (!t_alg) { - SSI_LOG_ERR("failed to allocate t_alg\n"); + if (!t_alg) return ERR_PTR(-ENOMEM); - } alg = &t_alg->crypto_alg; @@ -1285,10 +1288,6 @@ int ssi_ablkcipher_free(struct ssi_drvdata *drvdata) struct ssi_crypto_alg *t_alg, *n; struct ssi_blkcipher_handle *blkcipher_handle = drvdata->blkcipher_handle; - struct device *dev; - - dev = &drvdata->plat_dev->dev; - if (blkcipher_handle) { /* Remove registered algs */ list_for_each_entry_safe(t_alg, n, @@ -1308,6 +1307,7 @@ int ssi_ablkcipher_alloc(struct ssi_drvdata *drvdata) { struct ssi_blkcipher_handle *ablkcipher_handle; struct ssi_crypto_alg *t_alg; + struct device *dev = drvdata_to_dev(drvdata); int rc = -ENOMEM; int alg; @@ -1315,37 +1315,38 @@ int ssi_ablkcipher_alloc(struct ssi_drvdata *drvdata) if (!ablkcipher_handle) return -ENOMEM; - drvdata->blkcipher_handle = ablkcipher_handle; - INIT_LIST_HEAD(&ablkcipher_handle->blkcipher_alg_list); + drvdata->blkcipher_handle = ablkcipher_handle; /* Linux crypto */ - SSI_LOG_DEBUG("Number of algorithms = %zu\n", ARRAY_SIZE(blkcipher_algs)); + dev_dbg(dev, "Number of algorithms = %zu\n", + ARRAY_SIZE(blkcipher_algs)); for (alg = 0; alg < ARRAY_SIZE(blkcipher_algs); alg++) { - SSI_LOG_DEBUG("creating %s\n", blkcipher_algs[alg].driver_name); - t_alg = ssi_ablkcipher_create_alg(&blkcipher_algs[alg]); + dev_dbg(dev, "creating %s\n", blkcipher_algs[alg].driver_name); + t_alg = ssi_ablkcipher_create_alg(&blkcipher_algs[alg], dev); if (IS_ERR(t_alg)) { rc = PTR_ERR(t_alg); - SSI_LOG_ERR("%s alg allocation failed\n", - blkcipher_algs[alg].driver_name); + dev_err(dev, "%s alg allocation failed\n", + blkcipher_algs[alg].driver_name); goto fail0; } t_alg->drvdata = drvdata; - SSI_LOG_DEBUG("registering %s\n", blkcipher_algs[alg].driver_name); + dev_dbg(dev, "registering %s\n", + blkcipher_algs[alg].driver_name); rc = crypto_register_alg(&t_alg->crypto_alg); - SSI_LOG_DEBUG("%s alg registration rc = %x\n", - t_alg->crypto_alg.cra_driver_name, rc); + dev_dbg(dev, "%s alg registration rc = %x\n", + t_alg->crypto_alg.cra_driver_name, rc); if (unlikely(rc != 0)) { - SSI_LOG_ERR("%s alg registration failed\n", - t_alg->crypto_alg.cra_driver_name); + dev_err(dev, "%s alg registration failed\n", + t_alg->crypto_alg.cra_driver_name); kfree(t_alg); goto fail0; } else { list_add_tail(&t_alg->entry, &ablkcipher_handle->blkcipher_alg_list); - SSI_LOG_DEBUG("Registered %s\n", - t_alg->crypto_alg.cra_driver_name); + dev_dbg(dev, "Registered %s\n", + t_alg->crypto_alg.cra_driver_name); } } return 0; diff --git a/drivers/staging/ccree/ssi_cipher.h b/drivers/staging/ccree/ssi_cipher.h index 296b375d5d89..25e6335c0d94 100644 --- a/drivers/staging/ccree/ssi_cipher.h +++ b/drivers/staging/ccree/ssi_cipher.h @@ -27,11 +27,11 @@ #include "ssi_buffer_mgr.h" /* Crypto cipher flags */ -#define CC_CRYPTO_CIPHER_KEY_KFDE0 (1 << 0) -#define CC_CRYPTO_CIPHER_KEY_KFDE1 (1 << 1) -#define CC_CRYPTO_CIPHER_KEY_KFDE2 (1 << 2) -#define CC_CRYPTO_CIPHER_KEY_KFDE3 (1 << 3) -#define CC_CRYPTO_CIPHER_DU_SIZE_512B (1 << 4) +#define CC_CRYPTO_CIPHER_KEY_KFDE0 BIT(0) +#define CC_CRYPTO_CIPHER_KEY_KFDE1 BIT(1) +#define CC_CRYPTO_CIPHER_KEY_KFDE2 BIT(2) +#define CC_CRYPTO_CIPHER_KEY_KFDE3 BIT(3) +#define CC_CRYPTO_CIPHER_DU_SIZE_512B BIT(4) #define CC_CRYPTO_CIPHER_KEY_KFDE_MASK (CC_CRYPTO_CIPHER_KEY_KFDE0 | CC_CRYPTO_CIPHER_KEY_KFDE1 | CC_CRYPTO_CIPHER_KEY_KFDE2 | CC_CRYPTO_CIPHER_KEY_KFDE3) @@ -43,6 +43,7 @@ struct blkcipher_req_ctx { u32 out_nents; u32 out_mlli_nents; u8 *backup_info; /*store iv for generated IV flow*/ + u8 *iv; bool is_giv; struct mlli_params mlli_params; }; @@ -75,7 +76,7 @@ struct arm_hw_key_info { static inline bool ssi_is_hw_key(struct crypto_tfm *tfm) { - return 0; + return false; } #endif /* CRYPTO_TFM_REQ_HW_KEY */ diff --git a/drivers/staging/ccree/ssi_driver.c b/drivers/staging/ccree/ssi_driver.c index 9c6f1200c130..1a3c481fa92a 100644 --- a/drivers/staging/ccree/ssi_driver.c +++ b/drivers/staging/ccree/ssi_driver.c @@ -74,70 +74,46 @@ #include "ssi_fips.h" #ifdef DX_DUMP_BYTES -void dump_byte_array(const char *name, const u8 *the_array, unsigned long size) +void dump_byte_array(const char *name, const u8 *buf, size_t len) { - int i, line_offset = 0, ret = 0; - const u8 *cur_byte; - char line_buf[80]; + char prefix[NAME_LEN]; - if (!the_array) { - SSI_LOG_ERR("cannot dump array - NULL pointer\n"); + if (!buf) return; - } - ret = snprintf(line_buf, sizeof(line_buf), "%s[%lu]: ", name, size); - if (ret < 0) { - SSI_LOG_ERR("snprintf returned %d . aborting buffer array dump\n", ret); - return; - } - line_offset = ret; - for (i = 0, cur_byte = the_array; - (i < size) && (line_offset < sizeof(line_buf)); i++, cur_byte++) { - ret = snprintf(line_buf + line_offset, - sizeof(line_buf) - line_offset, - "0x%02X ", *cur_byte); - if (ret < 0) { - SSI_LOG_ERR("snprintf returned %d . aborting buffer array dump\n", ret); - return; - } - line_offset += ret; - if (line_offset > 75) { /* Cut before line end */ - SSI_LOG_DEBUG("%s\n", line_buf); - line_offset = 0; - } - } + snprintf(prefix, sizeof(prefix), "%s[%lu]: ", name, len); - if (line_offset > 0) /* Dump remaining line */ - SSI_LOG_DEBUG("%s\n", line_buf); + print_hex_dump(KERN_DEBUG, prefix, DUMP_PREFIX_ADDRESS, 16, 1, len, + false); } #endif static irqreturn_t cc_isr(int irq, void *dev_id) { struct ssi_drvdata *drvdata = (struct ssi_drvdata *)dev_id; - void __iomem *cc_base = drvdata->cc_base; + struct device *dev = drvdata_to_dev(drvdata); u32 irr; u32 imr; /* STAT_OP_TYPE_GENERIC STAT_PHASE_0: Interrupt */ /* read the interrupt status */ - irr = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IRR)); - SSI_LOG_DEBUG("Got IRR=0x%08X\n", irr); + irr = cc_ioread(drvdata, CC_REG(HOST_IRR)); + dev_dbg(dev, "Got IRR=0x%08X\n", irr); if (unlikely(irr == 0)) { /* Probably shared interrupt line */ - SSI_LOG_ERR("Got interrupt with empty IRR\n"); + dev_err(dev, "Got interrupt with empty IRR\n"); return IRQ_NONE; } - imr = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR)); + imr = cc_ioread(drvdata, CC_REG(HOST_IMR)); /* clear interrupt - must be before processing events */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_ICR), irr); + cc_iowrite(drvdata, CC_REG(HOST_ICR), irr); drvdata->irq = irr; /* Completion interrupt - most probable */ if (likely((irr & SSI_COMP_IRQ_MASK) != 0)) { /* Mask AXI completion interrupt - will be unmasked in Deferred service handler */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), imr | SSI_COMP_IRQ_MASK); + cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | SSI_COMP_IRQ_MASK); irr &= ~SSI_COMP_IRQ_MASK; complete_request(drvdata); } @@ -145,7 +121,7 @@ static irqreturn_t cc_isr(int irq, void *dev_id) /* TEE FIPS interrupt */ if (likely((irr & SSI_GPR0_IRQ_MASK) != 0)) { /* Mask interrupt - will be unmasked in Deferred service handler */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), imr | SSI_GPR0_IRQ_MASK); + cc_iowrite(drvdata, CC_REG(HOST_IMR), imr | SSI_GPR0_IRQ_MASK); irr &= ~SSI_GPR0_IRQ_MASK; fips_handler(drvdata); } @@ -155,14 +131,16 @@ static irqreturn_t cc_isr(int irq, void *dev_id) u32 axi_err; /* Read the AXI error ID */ - axi_err = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_ERR)); - SSI_LOG_DEBUG("AXI completion error: axim_mon_err=0x%08X\n", axi_err); + axi_err = cc_ioread(drvdata, CC_REG(AXIM_MON_ERR)); + dev_dbg(dev, "AXI completion error: axim_mon_err=0x%08X\n", + axi_err); irr &= ~SSI_AXI_ERR_IRQ_MASK; } if (unlikely(irr != 0)) { - SSI_LOG_DEBUG("IRR includes unknown cause bits (0x%08X)\n", irr); + dev_dbg(dev, "IRR includes unknown cause bits (0x%08X)\n", + irr); /* Just warning */ } @@ -172,48 +150,48 @@ static irqreturn_t cc_isr(int irq, void *dev_id) int init_cc_regs(struct ssi_drvdata *drvdata, bool is_probe) { unsigned int val, cache_params; - void __iomem *cc_base = drvdata->cc_base; + struct device *dev = drvdata_to_dev(drvdata); /* Unmask all AXI interrupt sources AXI_CFG1 register */ - val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_CFG)); - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_CFG), val & ~SSI_AXI_IRQ_MASK); - SSI_LOG_DEBUG("AXIM_CFG=0x%08X\n", CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_CFG))); + val = cc_ioread(drvdata, CC_REG(AXIM_CFG)); + cc_iowrite(drvdata, CC_REG(AXIM_CFG), val & ~SSI_AXI_IRQ_MASK); + dev_dbg(dev, "AXIM_CFG=0x%08X\n", + cc_ioread(drvdata, CC_REG(AXIM_CFG))); /* Clear all pending interrupts */ - val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IRR)); - SSI_LOG_DEBUG("IRR=0x%08X\n", val); - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_ICR), val); + val = cc_ioread(drvdata, CC_REG(HOST_IRR)); + dev_dbg(dev, "IRR=0x%08X\n", val); + cc_iowrite(drvdata, CC_REG(HOST_ICR), val); /* Unmask relevant interrupt cause */ - val = (~(SSI_COMP_IRQ_MASK | SSI_AXI_ERR_IRQ_MASK | SSI_GPR0_IRQ_MASK)); - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), val); + val = (unsigned int)(~(SSI_COMP_IRQ_MASK | SSI_AXI_ERR_IRQ_MASK | + SSI_GPR0_IRQ_MASK)); + cc_iowrite(drvdata, CC_REG(HOST_IMR), val); #ifdef DX_HOST_IRQ_TIMER_INIT_VAL_REG_OFFSET #ifdef DX_IRQ_DELAY /* Set CC IRQ delay */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IRQ_TIMER_INIT_VAL), - DX_IRQ_DELAY); + cc_iowrite(drvdata, CC_REG(HOST_IRQ_TIMER_INIT_VAL), DX_IRQ_DELAY); #endif - if (CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IRQ_TIMER_INIT_VAL)) > 0) { - SSI_LOG_DEBUG("irq_delay=%d CC cycles\n", - CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IRQ_TIMER_INIT_VAL))); + if (cc_ioread(drvdata, CC_REG(HOST_IRQ_TIMER_INIT_VAL)) > 0) { + dev_dbg(dev, "irq_delay=%d CC cycles\n", + cc_ioread(drvdata, CC_REG(HOST_IRQ_TIMER_INIT_VAL))); } #endif cache_params = (drvdata->coherent ? CC_COHERENT_CACHE_PARAMS : 0x0); - val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_CACHE_PARAMS)); + val = cc_ioread(drvdata, CC_REG(AXIM_CACHE_PARAMS)); if (is_probe) - SSI_LOG_INFO("Cache params previous: 0x%08X\n", val); + dev_info(dev, "Cache params previous: 0x%08X\n", val); - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_CACHE_PARAMS), - cache_params); - val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_CACHE_PARAMS)); + cc_iowrite(drvdata, CC_REG(AXIM_CACHE_PARAMS), cache_params); + val = cc_ioread(drvdata, CC_REG(AXIM_CACHE_PARAMS)); if (is_probe) - SSI_LOG_INFO("Cache params current: 0x%08X (expect: 0x%08X)\n", - val, cache_params); + dev_info(dev, "Cache params current: 0x%08X (expect: 0x%08X)\n", + val, cache_params); return 0; } @@ -222,181 +200,172 @@ static int init_cc_resources(struct platform_device *plat_dev) { struct resource *req_mem_cc_regs = NULL; void __iomem *cc_base = NULL; - bool irq_registered = false; - struct ssi_drvdata *new_drvdata = kzalloc(sizeof(*new_drvdata), - GFP_KERNEL); + struct ssi_drvdata *new_drvdata; struct device *dev = &plat_dev->dev; struct device_node *np = dev->of_node; u32 signature_val; + dma_addr_t dma_mask; int rc = 0; - if (unlikely(!new_drvdata)) { - SSI_LOG_ERR("Failed to allocate drvdata"); - rc = -ENOMEM; - goto init_cc_res_err; - } + new_drvdata = devm_kzalloc(dev, sizeof(*new_drvdata), GFP_KERNEL); + if (!new_drvdata) + return -ENOMEM; + + platform_set_drvdata(plat_dev, new_drvdata); + new_drvdata->plat_dev = plat_dev; new_drvdata->clk = of_clk_get(np, 0); new_drvdata->coherent = of_dma_is_coherent(np); - /*Initialize inflight counter used in dx_ablkcipher_secure_complete used for count of BYSPASS blocks operations*/ - new_drvdata->inflight_counter = 0; - - dev_set_drvdata(&plat_dev->dev, new_drvdata); /* Get device resources */ /* First CC registers space */ - new_drvdata->res_mem = platform_get_resource(plat_dev, IORESOURCE_MEM, 0); - if (unlikely(!new_drvdata->res_mem)) { - SSI_LOG_ERR("Failed getting IO memory resource\n"); - rc = -ENODEV; - goto init_cc_res_err; - } - SSI_LOG_DEBUG("Got MEM resource (%s): start=%pad end=%pad\n", - new_drvdata->res_mem->name, - new_drvdata->res_mem->start, - new_drvdata->res_mem->end); + req_mem_cc_regs = platform_get_resource(plat_dev, IORESOURCE_MEM, 0); /* Map registers space */ - req_mem_cc_regs = request_mem_region(new_drvdata->res_mem->start, resource_size(new_drvdata->res_mem), "arm_cc7x_regs"); - if (unlikely(!req_mem_cc_regs)) { - SSI_LOG_ERR("Couldn't allocate registers memory region at " - "0x%08X\n", (unsigned int)new_drvdata->res_mem->start); - rc = -EBUSY; - goto init_cc_res_err; + new_drvdata->cc_base = devm_ioremap_resource(dev, req_mem_cc_regs); + if (IS_ERR(new_drvdata->cc_base)) { + dev_err(dev, "Failed to ioremap registers"); + return PTR_ERR(new_drvdata->cc_base); } - cc_base = ioremap(new_drvdata->res_mem->start, resource_size(new_drvdata->res_mem)); - if (unlikely(!cc_base)) { - SSI_LOG_ERR("ioremap[CC](0x%08X,0x%08X) failed\n", - (unsigned int)new_drvdata->res_mem->start, - (unsigned int)resource_size(new_drvdata->res_mem)); - rc = -ENOMEM; - goto init_cc_res_err; - } - SSI_LOG_DEBUG("CC registers mapped from %pa to 0x%p\n", &new_drvdata->res_mem->start, cc_base); - new_drvdata->cc_base = cc_base; + + dev_dbg(dev, "Got MEM resource (%s): %pR\n", req_mem_cc_regs->name, + req_mem_cc_regs); + dev_dbg(dev, "CC registers mapped from %pa to 0x%p\n", + &req_mem_cc_regs->start, new_drvdata->cc_base); + + cc_base = new_drvdata->cc_base; /* Then IRQ */ - new_drvdata->res_irq = platform_get_resource(plat_dev, IORESOURCE_IRQ, 0); - if (unlikely(!new_drvdata->res_irq)) { - SSI_LOG_ERR("Failed getting IRQ resource\n"); - rc = -ENODEV; - goto init_cc_res_err; - } - rc = request_irq(new_drvdata->res_irq->start, cc_isr, - IRQF_SHARED, "arm_cc7x", new_drvdata); - if (unlikely(rc != 0)) { - SSI_LOG_ERR("Could not register to interrupt %llu\n", - (unsigned long long)new_drvdata->res_irq->start); - goto init_cc_res_err; + new_drvdata->irq = platform_get_irq(plat_dev, 0); + if (new_drvdata->irq < 0) { + dev_err(dev, "Failed getting IRQ resource\n"); + return new_drvdata->irq; } - init_completion(&new_drvdata->icache_setup_completion); - irq_registered = true; - SSI_LOG_DEBUG("Registered to IRQ (%s) %llu\n", - new_drvdata->res_irq->name, - (unsigned long long)new_drvdata->res_irq->start); + rc = devm_request_irq(dev, new_drvdata->irq, cc_isr, + IRQF_SHARED, "arm_cc7x", new_drvdata); + if (rc) { + dev_err(dev, "Could not register to interrupt %d\n", + new_drvdata->irq); + return rc; + } + dev_dbg(dev, "Registered to IRQ: %d\n", new_drvdata->irq); - new_drvdata->plat_dev = plat_dev; + if (!plat_dev->dev.dma_mask) + plat_dev->dev.dma_mask = &plat_dev->dev.coherent_dma_mask; - rc = cc_clk_on(new_drvdata); - if (rc) - goto init_cc_res_err; + dma_mask = (dma_addr_t)(DMA_BIT_MASK(DMA_BIT_MASK_LEN)); + while (dma_mask > 0x7fffffffUL) { + if (dma_supported(&plat_dev->dev, dma_mask)) { + rc = dma_set_coherent_mask(&plat_dev->dev, dma_mask); + if (!rc) + break; + } + dma_mask >>= 1; + } - if (!new_drvdata->plat_dev->dev.dma_mask) - new_drvdata->plat_dev->dev.dma_mask = &new_drvdata->plat_dev->dev.coherent_dma_mask; + if (rc) { + dev_err(dev, "Failed in dma_set_mask, mask=%par\n", + &dma_mask); + return rc; + } - if (!new_drvdata->plat_dev->dev.coherent_dma_mask) - new_drvdata->plat_dev->dev.coherent_dma_mask = DMA_BIT_MASK(DMA_BIT_MASK_LEN); + rc = cc_clk_on(new_drvdata); + if (rc) { + dev_err(dev, "Failed to enable clock"); + return rc; + } /* Verify correct mapping */ - signature_val = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_SIGNATURE)); + signature_val = cc_ioread(new_drvdata, CC_REG(HOST_SIGNATURE)); if (signature_val != DX_DEV_SIGNATURE) { - SSI_LOG_ERR("Invalid CC signature: SIGNATURE=0x%08X != expected=0x%08X\n", - signature_val, (u32)DX_DEV_SIGNATURE); + dev_err(dev, "Invalid CC signature: SIGNATURE=0x%08X != expected=0x%08X\n", + signature_val, (u32)DX_DEV_SIGNATURE); rc = -EINVAL; - goto init_cc_res_err; + goto post_clk_err; } - SSI_LOG_DEBUG("CC SIGNATURE=0x%08X\n", signature_val); + dev_dbg(dev, "CC SIGNATURE=0x%08X\n", signature_val); /* Display HW versions */ - SSI_LOG(KERN_INFO, "ARM CryptoCell %s Driver: HW version 0x%08X, Driver version %s\n", SSI_DEV_NAME_STR, - CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_VERSION)), DRV_MODULE_VERSION); + dev_info(dev, "ARM CryptoCell %s Driver: HW version 0x%08X, Driver version %s\n", + SSI_DEV_NAME_STR, + cc_ioread(new_drvdata, CC_REG(HOST_VERSION)), + DRV_MODULE_VERSION); rc = init_cc_regs(new_drvdata, true); if (unlikely(rc != 0)) { - SSI_LOG_ERR("init_cc_regs failed\n"); - goto init_cc_res_err; + dev_err(dev, "init_cc_regs failed\n"); + goto post_clk_err; } #ifdef ENABLE_CC_SYSFS - rc = ssi_sysfs_init(&plat_dev->dev.kobj, new_drvdata); + rc = ssi_sysfs_init(&dev->kobj, new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("init_stat_db failed\n"); - goto init_cc_res_err; + dev_err(dev, "init_stat_db failed\n"); + goto post_regs_err; } #endif + rc = ssi_fips_init(new_drvdata); + if (unlikely(rc != 0)) { + dev_err(dev, "SSI_FIPS_INIT failed 0x%x\n", rc); + goto post_sysfs_err; + } rc = ssi_sram_mgr_init(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("ssi_sram_mgr_init failed\n"); - goto init_cc_res_err; + dev_err(dev, "ssi_sram_mgr_init failed\n"); + goto post_fips_init_err; } new_drvdata->mlli_sram_addr = ssi_sram_mgr_alloc(new_drvdata, MAX_MLLI_BUFF_SIZE); if (unlikely(new_drvdata->mlli_sram_addr == NULL_SRAM_ADDR)) { - SSI_LOG_ERR("Failed to alloc MLLI Sram buffer\n"); + dev_err(dev, "Failed to alloc MLLI Sram buffer\n"); rc = -ENOMEM; - goto init_cc_res_err; + goto post_sram_mgr_err; } rc = request_mgr_init(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("request_mgr_init failed\n"); - goto init_cc_res_err; + dev_err(dev, "request_mgr_init failed\n"); + goto post_sram_mgr_err; } rc = ssi_buffer_mgr_init(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("buffer_mgr_init failed\n"); - goto init_cc_res_err; + dev_err(dev, "buffer_mgr_init failed\n"); + goto post_req_mgr_err; } rc = ssi_power_mgr_init(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("ssi_power_mgr_init failed\n"); - goto init_cc_res_err; - } - - rc = ssi_fips_init(new_drvdata); - if (unlikely(rc != 0)) { - SSI_LOG_ERR("SSI_FIPS_INIT failed 0x%x\n", rc); - goto init_cc_res_err; + dev_err(dev, "ssi_power_mgr_init failed\n"); + goto post_buf_mgr_err; } rc = ssi_ivgen_init(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("ssi_ivgen_init failed\n"); - goto init_cc_res_err; + dev_err(dev, "ssi_ivgen_init failed\n"); + goto post_power_mgr_err; } /* Allocate crypto algs */ rc = ssi_ablkcipher_alloc(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("ssi_ablkcipher_alloc failed\n"); - goto init_cc_res_err; + dev_err(dev, "ssi_ablkcipher_alloc failed\n"); + goto post_ivgen_err; } /* hash must be allocated before aead since hash exports APIs */ rc = ssi_hash_alloc(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("ssi_hash_alloc failed\n"); - goto init_cc_res_err; + dev_err(dev, "ssi_hash_alloc failed\n"); + goto post_cipher_err; } rc = ssi_aead_alloc(new_drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("ssi_aead_alloc failed\n"); - goto init_cc_res_err; + dev_err(dev, "ssi_aead_alloc failed\n"); + goto post_hash_err; } /* If we got here and FIPS mode is enabled @@ -407,52 +376,43 @@ static int init_cc_resources(struct platform_device *plat_dev) return 0; -init_cc_res_err: - SSI_LOG_ERR("Freeing CC HW resources!\n"); - - if (new_drvdata) { - ssi_aead_free(new_drvdata); - ssi_hash_free(new_drvdata); - ssi_ablkcipher_free(new_drvdata); - ssi_ivgen_fini(new_drvdata); - ssi_power_mgr_fini(new_drvdata); - ssi_buffer_mgr_fini(new_drvdata); - request_mgr_fini(new_drvdata); - ssi_sram_mgr_fini(new_drvdata); - ssi_fips_fini(new_drvdata); +post_hash_err: + ssi_hash_free(new_drvdata); +post_cipher_err: + ssi_ablkcipher_free(new_drvdata); +post_ivgen_err: + ssi_ivgen_fini(new_drvdata); +post_power_mgr_err: + ssi_power_mgr_fini(new_drvdata); +post_buf_mgr_err: + ssi_buffer_mgr_fini(new_drvdata); +post_req_mgr_err: + request_mgr_fini(new_drvdata); +post_sram_mgr_err: + ssi_sram_mgr_fini(new_drvdata); +post_fips_init_err: + ssi_fips_fini(new_drvdata); +post_sysfs_err: #ifdef ENABLE_CC_SYSFS - ssi_sysfs_fini(); + ssi_sysfs_fini(); #endif - - if (req_mem_cc_regs) { - if (irq_registered) { - free_irq(new_drvdata->res_irq->start, new_drvdata); - new_drvdata->res_irq = NULL; - iounmap(cc_base); - new_drvdata->cc_base = NULL; - } - release_mem_region(new_drvdata->res_mem->start, - resource_size(new_drvdata->res_mem)); - new_drvdata->res_mem = NULL; - } - kfree(new_drvdata); - dev_set_drvdata(&plat_dev->dev, NULL); - } - +post_regs_err: + fini_cc_regs(new_drvdata); +post_clk_err: + cc_clk_off(new_drvdata); return rc; } void fini_cc_regs(struct ssi_drvdata *drvdata) { /* Mask all interrupts */ - WRITE_REGISTER(drvdata->cc_base + - CC_REG_OFFSET(HOST_RGF, HOST_IMR), 0xFFFFFFFF); + cc_iowrite(drvdata, CC_REG(HOST_IMR), 0xFFFFFFFF); } static void cleanup_cc_resources(struct platform_device *plat_dev) { struct ssi_drvdata *drvdata = - (struct ssi_drvdata *)dev_get_drvdata(&plat_dev->dev); + (struct ssi_drvdata *)platform_get_drvdata(plat_dev); ssi_aead_free(drvdata); ssi_hash_free(drvdata); @@ -466,22 +426,8 @@ static void cleanup_cc_resources(struct platform_device *plat_dev) #ifdef ENABLE_CC_SYSFS ssi_sysfs_fini(); #endif - fini_cc_regs(drvdata); cc_clk_off(drvdata); - free_irq(drvdata->res_irq->start, drvdata); - drvdata->res_irq = NULL; - - if (drvdata->cc_base) { - iounmap(drvdata->cc_base); - release_mem_region(drvdata->res_mem->start, - resource_size(drvdata->res_mem)); - drvdata->cc_base = NULL; - drvdata->res_mem = NULL; - } - - kfree(drvdata); - dev_set_drvdata(&plat_dev->dev, NULL); } int cc_clk_on(struct ssi_drvdata *drvdata) @@ -514,18 +460,19 @@ void cc_clk_off(struct ssi_drvdata *drvdata) static int cc7x_probe(struct platform_device *plat_dev) { int rc; + struct device *dev = &plat_dev->dev; #if defined(CONFIG_ARM) && defined(CC_DEBUG) u32 ctr, cacheline_size; asm volatile("mrc p15, 0, %0, c0, c0, 1" : "=r" (ctr)); cacheline_size = 4 << ((ctr >> 16) & 0xf); - SSI_LOG_DEBUG("CP15(L1_CACHE_BYTES) = %u , Kconfig(L1_CACHE_BYTES) = %u\n", - cacheline_size, L1_CACHE_BYTES); + dev_dbg(dev, "CP15(L1_CACHE_BYTES) = %u , Kconfig(L1_CACHE_BYTES) = %u\n", + cacheline_size, L1_CACHE_BYTES); asm volatile("mrc p15, 0, %0, c0, c0, 0" : "=r" (ctr)); - SSI_LOG_DEBUG("Main ID register (MIDR): Implementer 0x%02X, Arch 0x%01X, Part 0x%03X, Rev r%dp%d\n", - (ctr >> 24), (ctr >> 16) & 0xF, (ctr >> 4) & 0xFFF, - (ctr >> 20) & 0xF, ctr & 0xF); + dev_dbg(dev, "Main ID register (MIDR): Implementer 0x%02X, Arch 0x%01X, Part 0x%03X, Rev r%dp%d\n", + (ctr >> 24), (ctr >> 16) & 0xF, (ctr >> 4) & 0xFFF, + (ctr >> 20) & 0xF, ctr & 0xF); #endif /* Map registers space */ @@ -533,18 +480,20 @@ static int cc7x_probe(struct platform_device *plat_dev) if (rc != 0) return rc; - SSI_LOG(KERN_INFO, "ARM cc7x_ree device initialized\n"); + dev_info(dev, "ARM ccree device initialized\n"); return 0; } static int cc7x_remove(struct platform_device *plat_dev) { - SSI_LOG_DEBUG("Releasing cc7x resources...\n"); + struct device *dev = &plat_dev->dev; + + dev_dbg(dev, "Releasing cc7x resources...\n"); cleanup_cc_resources(plat_dev); - SSI_LOG(KERN_INFO, "ARM cc7x_ree device terminated\n"); + dev_info(dev, "ARM ccree device terminated\n"); return 0; } diff --git a/drivers/staging/ccree/ssi_driver.h b/drivers/staging/ccree/ssi_driver.h index b6ad89ae9bee..94c755cafb47 100644 --- a/drivers/staging/ccree/ssi_driver.h +++ b/drivers/staging/ccree/ssi_driver.h @@ -37,13 +37,11 @@ #include <crypto/hash.h> #include <linux/version.h> #include <linux/clk.h> +#include <linux/platform_device.h> /* Registers definitions from shared/hw/ree_include */ -#include "dx_reg_base_host.h" #include "dx_host.h" -#include "cc_regs.h" #include "dx_reg_common.h" -#include "cc_hal.h" #define CC_SUPPORT_SHA DX_DEV_SHA_MAX #include "cc_crypto_ctx.h" #include "ssi_sysfs.h" @@ -68,12 +66,19 @@ #define SSI_AXI_IRQ_MASK ((1 << DX_AXIM_CFG_BRESPMASK_BIT_SHIFT) | (1 << DX_AXIM_CFG_RRESPMASK_BIT_SHIFT) | \ (1 << DX_AXIM_CFG_INFLTMASK_BIT_SHIFT) | (1 << DX_AXIM_CFG_COMPMASK_BIT_SHIFT)) -#define SSI_AXI_ERR_IRQ_MASK (1 << DX_HOST_IRR_AXI_ERR_INT_BIT_SHIFT) +#define SSI_AXI_ERR_IRQ_MASK BIT(DX_HOST_IRR_AXI_ERR_INT_BIT_SHIFT) -#define SSI_COMP_IRQ_MASK (1 << DX_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT) +#define SSI_COMP_IRQ_MASK BIT(DX_HOST_IRR_AXIM_COMP_INT_BIT_SHIFT) + +#define AXIM_MON_COMP_VALUE GENMASK(DX_AXIM_MON_COMP_VALUE_BIT_SIZE + \ + DX_AXIM_MON_COMP_VALUE_BIT_SHIFT, \ + DX_AXIM_MON_COMP_VALUE_BIT_SHIFT) + +/* Register name mangling macro */ +#define CC_REG(reg_name) DX_ ## reg_name ## _REG_OFFSET /* TEE FIPS status interrupt */ -#define SSI_GPR0_IRQ_MASK (1 << DX_HOST_IRR_GPR0_BIT_SHIFT) +#define SSI_GPR0_IRQ_MASK BIT(DX_HOST_IRR_GPR0_BIT_SHIFT) #define SSI_CRA_PRIO 3000 @@ -90,19 +95,6 @@ * field in the HW descriptor. The DMA engine +8 that value. */ -/* Logging macros */ -#define SSI_LOG(level, format, ...) \ - printk(level "cc715ree::%s: " format, __func__, ##__VA_ARGS__) -#define SSI_LOG_ERR(format, ...) SSI_LOG(KERN_ERR, format, ##__VA_ARGS__) -#define SSI_LOG_WARNING(format, ...) SSI_LOG(KERN_WARNING, format, ##__VA_ARGS__) -#define SSI_LOG_NOTICE(format, ...) SSI_LOG(KERN_NOTICE, format, ##__VA_ARGS__) -#define SSI_LOG_INFO(format, ...) SSI_LOG(KERN_INFO, format, ##__VA_ARGS__) -#ifdef CC_DEBUG -#define SSI_LOG_DEBUG(format, ...) SSI_LOG(KERN_DEBUG, format, ##__VA_ARGS__) -#else /* Debug log messages are removed at compile time for non-DEBUG config. */ -#define SSI_LOG_DEBUG(format, ...) do {} while (0) -#endif - #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) @@ -128,10 +120,8 @@ struct ssi_crypto_req { * @fw_ver: SeP loaded firmware version */ struct ssi_drvdata { - struct resource *res_mem; - struct resource *res_irq; void __iomem *cc_base; - unsigned int irq; + int irq; u32 irq_mask; u32 fw_ver; /* Calibration time of start/stop @@ -140,7 +130,6 @@ struct ssi_drvdata { u32 monitor_null_cycles; struct platform_device *plat_dev; ssi_sram_addr_t mlli_sram_addr; - struct completion icache_setup_completion; void *buff_mgr_handle; void *hash_handle; void *aead_handle; @@ -149,7 +138,6 @@ struct ssi_drvdata { void *fips_handle; void *ivgen_handle; void *sram_mgr_handle; - u32 inflight_counter; struct clk *clk; bool coherent; }; @@ -187,11 +175,16 @@ struct async_gen_req_ctx { enum drv_crypto_direction op_type; }; +static inline struct device *drvdata_to_dev(struct ssi_drvdata *drvdata) +{ + return &drvdata->plat_dev->dev; +} + #ifdef DX_DUMP_BYTES void dump_byte_array(const char *name, const u8 *the_array, unsigned long size); #else -#define dump_byte_array(name, array, size) do { \ -} while (0); +static inline void dump_byte_array(const char *name, const u8 *the_array, + unsigned long size) {}; #endif int init_cc_regs(struct ssi_drvdata *drvdata, bool is_probe); @@ -199,5 +192,15 @@ void fini_cc_regs(struct ssi_drvdata *drvdata); int cc_clk_on(struct ssi_drvdata *drvdata); void cc_clk_off(struct ssi_drvdata *drvdata); +static inline void cc_iowrite(struct ssi_drvdata *drvdata, u32 reg, u32 val) +{ + iowrite32(val, (drvdata->cc_base + reg)); +} + +static inline u32 cc_ioread(struct ssi_drvdata *drvdata, u32 reg) +{ + return ioread32(drvdata->cc_base + reg); +} + #endif /*__SSI_DRIVER_H__*/ diff --git a/drivers/staging/ccree/ssi_fips.c b/drivers/staging/ccree/ssi_fips.c index 33d53d64603d..4aea99fa129f 100644 --- a/drivers/staging/ccree/ssi_fips.c +++ b/drivers/staging/ccree/ssi_fips.c @@ -19,7 +19,6 @@ #include "ssi_config.h" #include "ssi_driver.h" -#include "cc_hal.h" #include "ssi_fips.h" static void fips_dsr(unsigned long devarg); @@ -34,9 +33,8 @@ struct ssi_fips_handle { static bool cc_get_tee_fips_status(struct ssi_drvdata *drvdata) { u32 reg; - void __iomem *cc_base = drvdata->cc_base; - reg = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, GPR_HOST)); + reg = cc_ioread(drvdata, CC_REG(GPR_HOST)); return (reg == (CC_FIPS_SYNC_TEE_STATUS | CC_FIPS_SYNC_MODULE_OK)); } @@ -46,12 +44,11 @@ static bool cc_get_tee_fips_status(struct ssi_drvdata *drvdata) */ void cc_set_ree_fips_status(struct ssi_drvdata *drvdata, bool status) { - void __iomem *cc_base = drvdata->cc_base; int val = CC_FIPS_SYNC_REE_STATUS; val |= (status ? CC_FIPS_SYNC_MODULE_OK : CC_FIPS_SYNC_MODULE_ERROR); - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_GPR0), val); + cc_iowrite(drvdata, CC_REG(HOST_GPR0), val); } void ssi_fips_fini(struct ssi_drvdata *drvdata) @@ -76,41 +73,42 @@ void fips_handler(struct ssi_drvdata *drvdata) tasklet_schedule(&fips_handle_ptr->tasklet); } -static inline void tee_fips_error(void) +static inline void tee_fips_error(struct device *dev) { if (fips_enabled) panic("ccree: TEE reported cryptographic error in fips mode!\n"); else - SSI_LOG_ERR("TEE reported error!\n"); + dev_err(dev, "TEE reported error!\n"); } /* Deferred service handler, run as interrupt-fired tasklet */ static void fips_dsr(unsigned long devarg) { struct ssi_drvdata *drvdata = (struct ssi_drvdata *)devarg; - void __iomem *cc_base = drvdata->cc_base; + struct device *dev = drvdata_to_dev(drvdata); u32 irq, state, val; irq = (drvdata->irq & (SSI_GPR0_IRQ_MASK)); if (irq) { - state = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, GPR_HOST)); + state = cc_ioread(drvdata, CC_REG(GPR_HOST)); if (state != (CC_FIPS_SYNC_TEE_STATUS | CC_FIPS_SYNC_MODULE_OK)) - tee_fips_error(); + tee_fips_error(dev); } /* after verifing that there is nothing to do, * unmask AXI completion interrupt. */ - val = (CC_REG_OFFSET(HOST_RGF, HOST_IMR) & ~irq); - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), val); + val = (CC_REG(HOST_IMR) & ~irq); + cc_iowrite(drvdata, CC_REG(HOST_IMR), val); } /* The function called once at driver entry point .*/ int ssi_fips_init(struct ssi_drvdata *p_drvdata) { struct ssi_fips_handle *fips_h; + struct device *dev = drvdata_to_dev(p_drvdata); fips_h = kzalloc(sizeof(*fips_h), GFP_KERNEL); if (!fips_h) @@ -118,11 +116,11 @@ int ssi_fips_init(struct ssi_drvdata *p_drvdata) p_drvdata->fips_handle = fips_h; - SSI_LOG_DEBUG("Initializing fips tasklet\n"); + dev_dbg(dev, "Initializing fips tasklet\n"); tasklet_init(&fips_h->tasklet, fips_dsr, (unsigned long)p_drvdata); if (!cc_get_tee_fips_status(p_drvdata)) - tee_fips_error(); + tee_fips_error(dev); return 0; } diff --git a/drivers/staging/ccree/ssi_fips.h b/drivers/staging/ccree/ssi_fips.h index 369ddf9478e7..63bcca7f3af9 100644 --- a/drivers/staging/ccree/ssi_fips.h +++ b/drivers/staging/ccree/ssi_fips.h @@ -40,8 +40,8 @@ static inline int ssi_fips_init(struct ssi_drvdata *p_drvdata) } static inline void ssi_fips_fini(struct ssi_drvdata *drvdata) {} -void cc_set_ree_fips_status(struct ssi_drvdata *drvdata, bool ok) {} -void fips_handler(struct ssi_drvdata *drvdata) {} +static inline void cc_set_ree_fips_status(struct ssi_drvdata *drvdata, bool ok) {} +static inline void fips_handler(struct ssi_drvdata *drvdata) {} #endif /* CONFIG_CRYPTO_FIPS */ diff --git a/drivers/staging/ccree/ssi_hash.c b/drivers/staging/ccree/ssi_hash.c index 13291aeaf350..d79090ed7f9c 100644 --- a/drivers/staging/ccree/ssi_hash.c +++ b/drivers/staging/ccree/ssi_hash.c @@ -134,14 +134,13 @@ static int ssi_hash_map_result(struct device *dev, digestsize, DMA_BIDIRECTIONAL); if (unlikely(dma_mapping_error(dev, state->digest_result_dma_addr))) { - SSI_LOG_ERR("Mapping digest result buffer %u B for DMA failed\n", - digestsize); + dev_err(dev, "Mapping digest result buffer %u B for DMA failed\n", + digestsize); return -ENOMEM; } - SSI_LOG_DEBUG("Mapped digest result buffer %u B " - "at va=%pK to dma=%pad\n", + dev_dbg(dev, "Mapped digest result buffer %u B at va=%pK to dma=%pad\n", digestsize, state->digest_result_buff, - state->digest_result_dma_addr); + &state->digest_result_dma_addr); return 0; } @@ -158,54 +157,50 @@ static int ssi_hash_map_request(struct device *dev, int rc = -ENOMEM; state->buff0 = kzalloc(SSI_MAX_HASH_BLCK_SIZE, GFP_KERNEL | GFP_DMA); - if (!state->buff0) { - SSI_LOG_ERR("Allocating buff0 in context failed\n"); + if (!state->buff0) goto fail0; - } + state->buff1 = kzalloc(SSI_MAX_HASH_BLCK_SIZE, GFP_KERNEL | GFP_DMA); - if (!state->buff1) { - SSI_LOG_ERR("Allocating buff1 in context failed\n"); + if (!state->buff1) goto fail_buff0; - } + state->digest_result_buff = kzalloc(SSI_MAX_HASH_DIGEST_SIZE, GFP_KERNEL | GFP_DMA); - if (!state->digest_result_buff) { - SSI_LOG_ERR("Allocating digest_result_buff in context failed\n"); + if (!state->digest_result_buff) goto fail_buff1; - } + state->digest_buff = kzalloc(ctx->inter_digestsize, GFP_KERNEL | GFP_DMA); - if (!state->digest_buff) { - SSI_LOG_ERR("Allocating digest-buffer in context failed\n"); + if (!state->digest_buff) goto fail_digest_result_buff; - } - SSI_LOG_DEBUG("Allocated digest-buffer in context ctx->digest_buff=@%p\n", state->digest_buff); + dev_dbg(dev, "Allocated digest-buffer in context ctx->digest_buff=@%p\n", + state->digest_buff); if (ctx->hw_mode != DRV_CIPHER_XCBC_MAC) { state->digest_bytes_len = kzalloc(HASH_LEN_SIZE, GFP_KERNEL | GFP_DMA); - if (!state->digest_bytes_len) { - SSI_LOG_ERR("Allocating digest-bytes-len in context failed\n"); + if (!state->digest_bytes_len) goto fail1; - } - SSI_LOG_DEBUG("Allocated digest-bytes-len in context state->>digest_bytes_len=@%p\n", state->digest_bytes_len); + + dev_dbg(dev, "Allocated digest-bytes-len in context state->>digest_bytes_len=@%p\n", + state->digest_bytes_len); } else { state->digest_bytes_len = NULL; } state->opad_digest_buff = kzalloc(ctx->inter_digestsize, GFP_KERNEL | GFP_DMA); - if (!state->opad_digest_buff) { - SSI_LOG_ERR("Allocating opad-digest-buffer in context failed\n"); + if (!state->opad_digest_buff) goto fail2; - } - SSI_LOG_DEBUG("Allocated opad-digest-buffer in context state->digest_bytes_len=@%p\n", state->opad_digest_buff); + + dev_dbg(dev, "Allocated opad-digest-buffer in context state->digest_bytes_len=@%p\n", + state->opad_digest_buff); state->digest_buff_dma_addr = dma_map_single(dev, (void *)state->digest_buff, ctx->inter_digestsize, DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, state->digest_buff_dma_addr)) { - SSI_LOG_ERR("Mapping digest len %d B at va=%pK for DMA failed\n", - ctx->inter_digestsize, state->digest_buff); + dev_err(dev, "Mapping digest len %d B at va=%pK for DMA failed\n", + ctx->inter_digestsize, state->digest_buff); goto fail3; } - SSI_LOG_DEBUG("Mapped digest %d B at va=%pK to dma=%pad\n", - ctx->inter_digestsize, state->digest_buff, - state->digest_buff_dma_addr); + dev_dbg(dev, "Mapped digest %d B at va=%pK to dma=%pad\n", + ctx->inter_digestsize, state->digest_buff, + &state->digest_buff_dma_addr); if (is_hmac) { dma_sync_single_for_cpu(dev, ctx->digest_buff_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL); @@ -240,7 +235,7 @@ static int ssi_hash_map_request(struct device *dev, rc = send_request(ctx->drvdata, &ssi_req, &desc, 1, 0); if (unlikely(rc != 0)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); goto fail4; } } @@ -248,13 +243,13 @@ static int ssi_hash_map_request(struct device *dev, if (ctx->hw_mode != DRV_CIPHER_XCBC_MAC) { state->digest_bytes_len_dma_addr = dma_map_single(dev, (void *)state->digest_bytes_len, HASH_LEN_SIZE, DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, state->digest_bytes_len_dma_addr)) { - SSI_LOG_ERR("Mapping digest len %u B at va=%pK for DMA failed\n", - HASH_LEN_SIZE, state->digest_bytes_len); + dev_err(dev, "Mapping digest len %u B at va=%pK for DMA failed\n", + HASH_LEN_SIZE, state->digest_bytes_len); goto fail4; } - SSI_LOG_DEBUG("Mapped digest len %u B at va=%pK to dma=%pad\n", - HASH_LEN_SIZE, state->digest_bytes_len, - state->digest_bytes_len_dma_addr); + dev_dbg(dev, "Mapped digest len %u B at va=%pK to dma=%pad\n", + HASH_LEN_SIZE, state->digest_bytes_len, + &state->digest_bytes_len_dma_addr); } else { state->digest_bytes_len_dma_addr = 0; } @@ -262,14 +257,14 @@ static int ssi_hash_map_request(struct device *dev, if (is_hmac && ctx->hash_mode != DRV_HASH_NULL) { state->opad_digest_dma_addr = dma_map_single(dev, (void *)state->opad_digest_buff, ctx->inter_digestsize, DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, state->opad_digest_dma_addr)) { - SSI_LOG_ERR("Mapping opad digest %d B at va=%pK for DMA failed\n", - ctx->inter_digestsize, - state->opad_digest_buff); + dev_err(dev, "Mapping opad digest %d B at va=%pK for DMA failed\n", + ctx->inter_digestsize, + state->opad_digest_buff); goto fail5; } - SSI_LOG_DEBUG("Mapped opad digest %d B at va=%pK to dma=%pad\n", - ctx->inter_digestsize, state->opad_digest_buff, - state->opad_digest_dma_addr); + dev_dbg(dev, "Mapped opad digest %d B at va=%pK to dma=%pad\n", + ctx->inter_digestsize, state->opad_digest_buff, + &state->opad_digest_dma_addr); } else { state->opad_digest_dma_addr = 0; } @@ -316,22 +311,22 @@ static void ssi_hash_unmap_request(struct device *dev, if (state->digest_buff_dma_addr != 0) { dma_unmap_single(dev, state->digest_buff_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped digest-buffer: digest_buff_dma_addr=%pad\n", - state->digest_buff_dma_addr); + dev_dbg(dev, "Unmapped digest-buffer: digest_buff_dma_addr=%pad\n", + &state->digest_buff_dma_addr); state->digest_buff_dma_addr = 0; } if (state->digest_bytes_len_dma_addr != 0) { dma_unmap_single(dev, state->digest_bytes_len_dma_addr, HASH_LEN_SIZE, DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped digest-bytes-len buffer: digest_bytes_len_dma_addr=%pad\n", - state->digest_bytes_len_dma_addr); + dev_dbg(dev, "Unmapped digest-bytes-len buffer: digest_bytes_len_dma_addr=%pad\n", + &state->digest_bytes_len_dma_addr); state->digest_bytes_len_dma_addr = 0; } if (state->opad_digest_dma_addr != 0) { dma_unmap_single(dev, state->opad_digest_dma_addr, ctx->inter_digestsize, DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped opad-digest: opad_digest_dma_addr=%pad\n", - state->opad_digest_dma_addr); + dev_dbg(dev, "Unmapped opad-digest: opad_digest_dma_addr=%pad\n", + &state->opad_digest_dma_addr); state->opad_digest_dma_addr = 0; } @@ -352,11 +347,9 @@ static void ssi_hash_unmap_result(struct device *dev, state->digest_result_dma_addr, digestsize, DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("unmpa digest result buffer " - "va (%pK) pa (%pad) len %u\n", - state->digest_result_buff, - state->digest_result_dma_addr, - digestsize); + dev_dbg(dev, "unmpa digest result buffer va (%pK) pa (%pad) len %u\n", + state->digest_result_buff, + &state->digest_result_dma_addr, digestsize); memcpy(result, state->digest_result_buff, digestsize); @@ -369,7 +362,7 @@ static void ssi_hash_update_complete(struct device *dev, void *ssi_req, void __i struct ahash_request *req = (struct ahash_request *)ssi_req; struct ahash_req_ctx *state = ahash_request_ctx(req); - SSI_LOG_DEBUG("req=%pK\n", req); + dev_dbg(dev, "req=%pK\n", req); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, false); req->base.complete(&req->base, 0); @@ -383,7 +376,7 @@ static void ssi_hash_digest_complete(struct device *dev, void *ssi_req, void __i struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); u32 digestsize = crypto_ahash_digestsize(tfm); - SSI_LOG_DEBUG("req=%pK\n", req); + dev_dbg(dev, "req=%pK\n", req); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, false); ssi_hash_unmap_result(dev, state, digestsize, req->result); @@ -399,7 +392,7 @@ static void ssi_hash_complete(struct device *dev, void *ssi_req, void __iomem *c struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); u32 digestsize = crypto_ahash_digestsize(tfm); - SSI_LOG_DEBUG("req=%pK\n", req); + dev_dbg(dev, "req=%pK\n", req); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, false); ssi_hash_unmap_result(dev, state, digestsize, req->result); @@ -414,7 +407,7 @@ static int ssi_hash_digest(struct ahash_req_ctx *state, unsigned int nbytes, u8 *result, void *async_req) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); bool is_hmac = ctx->is_hmac; struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; @@ -423,20 +416,21 @@ static int ssi_hash_digest(struct ahash_req_ctx *state, int idx = 0; int rc = 0; - SSI_LOG_DEBUG("===== %s-digest (%d) ====\n", is_hmac ? "hmac" : "hash", nbytes); + dev_dbg(dev, "===== %s-digest (%d) ====\n", is_hmac ? "hmac" : "hash", + nbytes); if (unlikely(ssi_hash_map_request(dev, state, ctx) != 0)) { - SSI_LOG_ERR("map_ahash_source() failed\n"); + dev_err(dev, "map_ahash_source() failed\n"); return -ENOMEM; } if (unlikely(ssi_hash_map_result(dev, state, digestsize) != 0)) { - SSI_LOG_ERR("map_ahash_digest() failed\n"); + dev_err(dev, "map_ahash_digest() failed\n"); return -ENOMEM; } if (unlikely(ssi_buffer_mgr_map_hash_request_final(ctx->drvdata, state, src, nbytes, 1) != 0)) { - SSI_LOG_ERR("map_ahash_request_final() failed\n"); + dev_err(dev, "map_ahash_request_final() failed\n"); return -ENOMEM; } @@ -553,7 +547,7 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE); if (async_req) { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); ssi_hash_unmap_result(dev, state, digestsize, result); ssi_hash_unmap_request(dev, state, ctx); @@ -561,7 +555,7 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE); } else { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 0); if (rc != 0) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); } else { ssi_buffer_mgr_unmap_hash_request(dev, state, src, false); @@ -579,14 +573,14 @@ static int ssi_hash_update(struct ahash_req_ctx *state, unsigned int nbytes, void *async_req) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; u32 idx = 0; int rc; - SSI_LOG_DEBUG("===== %s-update (%d) ====\n", ctx->is_hmac ? - "hmac" : "hash", nbytes); + dev_dbg(dev, "===== %s-update (%d) ====\n", ctx->is_hmac ? + "hmac" : "hash", nbytes); if (nbytes == 0) { /* no real updates required */ @@ -596,12 +590,12 @@ static int ssi_hash_update(struct ahash_req_ctx *state, rc = ssi_buffer_mgr_map_hash_request_update(ctx->drvdata, state, src, nbytes, block_size); if (unlikely(rc)) { if (rc == 1) { - SSI_LOG_DEBUG(" data size not require HW update %x\n", - nbytes); + dev_dbg(dev, " data size not require HW update %x\n", + nbytes); /* No hardware updates are required */ return 0; } - SSI_LOG_ERR("map_ahash_request_update() failed\n"); + dev_err(dev, "map_ahash_request_update() failed\n"); return -ENOMEM; } @@ -653,13 +647,13 @@ static int ssi_hash_update(struct ahash_req_ctx *state, if (async_req) { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); } } else { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 0); if (rc != 0) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); } else { ssi_buffer_mgr_unmap_hash_request(dev, state, src, false); @@ -676,21 +670,22 @@ static int ssi_hash_finup(struct ahash_req_ctx *state, u8 *result, void *async_req) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); bool is_hmac = ctx->is_hmac; struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; int idx = 0; int rc; - SSI_LOG_DEBUG("===== %s-finup (%d) ====\n", is_hmac ? "hmac" : "hash", nbytes); + dev_dbg(dev, "===== %s-finup (%d) ====\n", is_hmac ? "hmac" : "hash", + nbytes); if (unlikely(ssi_buffer_mgr_map_hash_request_final(ctx->drvdata, state, src, nbytes, 1) != 0)) { - SSI_LOG_ERR("map_ahash_request_final() failed\n"); + dev_err(dev, "map_ahash_request_final() failed\n"); return -ENOMEM; } if (unlikely(ssi_hash_map_result(dev, state, digestsize) != 0)) { - SSI_LOG_ERR("map_ahash_digest() failed\n"); + dev_err(dev, "map_ahash_digest() failed\n"); return -ENOMEM; } @@ -783,14 +778,14 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE); if (async_req) { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); ssi_hash_unmap_result(dev, state, digestsize, result); } } else { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 0); if (rc != 0) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); ssi_hash_unmap_result(dev, state, digestsize, result); } else { @@ -810,22 +805,23 @@ static int ssi_hash_final(struct ahash_req_ctx *state, u8 *result, void *async_req) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); bool is_hmac = ctx->is_hmac; struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; int idx = 0; int rc; - SSI_LOG_DEBUG("===== %s-final (%d) ====\n", is_hmac ? "hmac" : "hash", nbytes); + dev_dbg(dev, "===== %s-final (%d) ====\n", is_hmac ? "hmac" : "hash", + nbytes); if (unlikely(ssi_buffer_mgr_map_hash_request_final(ctx->drvdata, state, src, nbytes, 0) != 0)) { - SSI_LOG_ERR("map_ahash_request_final() failed\n"); + dev_err(dev, "map_ahash_request_final() failed\n"); return -ENOMEM; } if (unlikely(ssi_hash_map_result(dev, state, digestsize) != 0)) { - SSI_LOG_ERR("map_ahash_digest() failed\n"); + dev_err(dev, "map_ahash_digest() failed\n"); return -ENOMEM; } @@ -927,14 +923,14 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE); if (async_req) { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); ssi_hash_unmap_result(dev, state, digestsize, result); } } else { rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 0); if (rc != 0) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, src, true); ssi_hash_unmap_result(dev, state, digestsize, result); } else { @@ -948,7 +944,7 @@ ctx->drvdata, ctx->hash_mode), HASH_LEN_SIZE); static int ssi_hash_init(struct ahash_req_ctx *state, struct ssi_hash_ctx *ctx) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); state->xcbc_count = 0; @@ -970,10 +966,12 @@ static int ssi_hash_setkey(void *hash, int i, idx = 0, rc = 0; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; ssi_sram_addr_t larval_addr; - - SSI_LOG_DEBUG("start keylen: %d", keylen); + struct device *dev; ctx = crypto_ahash_ctx(((struct crypto_ahash *)hash)); + dev = drvdata_to_dev(ctx->drvdata); + dev_dbg(dev, "start keylen: %d", keylen); + blocksize = crypto_tfm_alg_blocksize(&((struct crypto_ahash *)hash)->base); digestsize = crypto_ahash_digestsize(((struct crypto_ahash *)hash)); @@ -989,18 +987,16 @@ static int ssi_hash_setkey(void *hash, if (keylen != 0) { ctx->key_params.key_dma_addr = dma_map_single( - &ctx->drvdata->plat_dev->dev, - (void *)key, + dev, (void *)key, keylen, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&ctx->drvdata->plat_dev->dev, + if (unlikely(dma_mapping_error(dev, ctx->key_params.key_dma_addr))) { - SSI_LOG_ERR("Mapping key va=0x%p len=%u for" - " DMA failed\n", key, keylen); + dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n", + key, keylen); return -ENOMEM; } - SSI_LOG_DEBUG("mapping key-buffer: key_dma_addr=%pad " - "keylen=%u\n", ctx->key_params.key_dma_addr, - ctx->key_params.keylen); + dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n", + &ctx->key_params.key_dma_addr, ctx->key_params.keylen); if (keylen > blocksize) { /* Load hash initial state */ @@ -1079,7 +1075,7 @@ static int ssi_hash_setkey(void *hash, rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 0); if (unlikely(rc != 0)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); goto out; } @@ -1139,12 +1135,10 @@ out: crypto_ahash_set_flags((struct crypto_ahash *)hash, CRYPTO_TFM_RES_BAD_KEY_LEN); if (ctx->key_params.key_dma_addr) { - dma_unmap_single(&ctx->drvdata->plat_dev->dev, - ctx->key_params.key_dma_addr, + dma_unmap_single(dev, ctx->key_params.key_dma_addr, ctx->key_params.keylen, DMA_TO_DEVICE); - SSI_LOG_DEBUG("Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n", - ctx->key_params.key_dma_addr, - ctx->key_params.keylen); + dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n", + &ctx->key_params.key_dma_addr, ctx->key_params.keylen); } return rc; } @@ -1154,10 +1148,11 @@ static int ssi_xcbc_setkey(struct crypto_ahash *ahash, { struct ssi_crypto_req ssi_req = {}; struct ssi_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct device *dev = drvdata_to_dev(ctx->drvdata); int idx = 0, rc = 0; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; - SSI_LOG_DEBUG("===== setkey (%d) ====\n", keylen); + dev_dbg(dev, "===== setkey (%d) ====\n", keylen); switch (keylen) { case AES_KEYSIZE_128: @@ -1171,19 +1166,15 @@ static int ssi_xcbc_setkey(struct crypto_ahash *ahash, ctx->key_params.keylen = keylen; ctx->key_params.key_dma_addr = dma_map_single( - &ctx->drvdata->plat_dev->dev, - (void *)key, + dev, (void *)key, keylen, DMA_TO_DEVICE); - if (unlikely(dma_mapping_error(&ctx->drvdata->plat_dev->dev, - ctx->key_params.key_dma_addr))) { - SSI_LOG_ERR("Mapping key va=0x%p len=%u for" - " DMA failed\n", key, keylen); + if (unlikely(dma_mapping_error(dev, ctx->key_params.key_dma_addr))) { + dev_err(dev, "Mapping key va=0x%p len=%u for DMA failed\n", + key, keylen); return -ENOMEM; } - SSI_LOG_DEBUG("mapping key-buffer: key_dma_addr=%pad " - "keylen=%u\n", - ctx->key_params.key_dma_addr, - ctx->key_params.keylen); + dev_dbg(dev, "mapping key-buffer: key_dma_addr=%pad keylen=%u\n", + &ctx->key_params.key_dma_addr, ctx->key_params.keylen); ctx->is_hmac = true; /* 1. Load the AES key */ @@ -1226,12 +1217,10 @@ static int ssi_xcbc_setkey(struct crypto_ahash *ahash, if (rc != 0) crypto_ahash_set_flags(ahash, CRYPTO_TFM_RES_BAD_KEY_LEN); - dma_unmap_single(&ctx->drvdata->plat_dev->dev, - ctx->key_params.key_dma_addr, + dma_unmap_single(dev, ctx->key_params.key_dma_addr, ctx->key_params.keylen, DMA_TO_DEVICE); - SSI_LOG_DEBUG("Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n", - ctx->key_params.key_dma_addr, - ctx->key_params.keylen); + dev_dbg(dev, "Unmapped key-buffer: key_dma_addr=%pad keylen=%u\n", + &ctx->key_params.key_dma_addr, ctx->key_params.keylen); return rc; } @@ -1241,8 +1230,9 @@ static int ssi_cmac_setkey(struct crypto_ahash *ahash, const u8 *key, unsigned int keylen) { struct ssi_hash_ctx *ctx = crypto_ahash_ctx(ahash); + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("===== setkey (%d) ====\n", keylen); + dev_dbg(dev, "===== setkey (%d) ====\n", keylen); ctx->is_hmac = true; @@ -1259,16 +1249,14 @@ static int ssi_cmac_setkey(struct crypto_ahash *ahash, /* STAT_PHASE_1: Copy key to ctx */ - dma_sync_single_for_cpu(&ctx->drvdata->plat_dev->dev, - ctx->opad_tmp_keys_dma_addr, + dma_sync_single_for_cpu(dev, ctx->opad_tmp_keys_dma_addr, keylen, DMA_TO_DEVICE); memcpy(ctx->opad_tmp_keys_buff, key, keylen); if (keylen == 24) memset(ctx->opad_tmp_keys_buff + 24, 0, CC_AES_KEY_SIZE_MAX - 24); - dma_sync_single_for_device(&ctx->drvdata->plat_dev->dev, - ctx->opad_tmp_keys_dma_addr, + dma_sync_single_for_device(dev, ctx->opad_tmp_keys_dma_addr, keylen, DMA_TO_DEVICE); ctx->key_params.keylen = keylen; @@ -1279,23 +1267,21 @@ static int ssi_cmac_setkey(struct crypto_ahash *ahash, static void ssi_hash_free_ctx(struct ssi_hash_ctx *ctx) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); if (ctx->digest_buff_dma_addr != 0) { dma_unmap_single(dev, ctx->digest_buff_dma_addr, sizeof(ctx->digest_buff), DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped digest-buffer: " - "digest_buff_dma_addr=%pad\n", - ctx->digest_buff_dma_addr); + dev_dbg(dev, "Unmapped digest-buffer: digest_buff_dma_addr=%pad\n", + &ctx->digest_buff_dma_addr); ctx->digest_buff_dma_addr = 0; } if (ctx->opad_tmp_keys_dma_addr != 0) { dma_unmap_single(dev, ctx->opad_tmp_keys_dma_addr, sizeof(ctx->opad_tmp_keys_buff), DMA_BIDIRECTIONAL); - SSI_LOG_DEBUG("Unmapped opad-digest: " - "opad_tmp_keys_dma_addr=%pad\n", - ctx->opad_tmp_keys_dma_addr); + dev_dbg(dev, "Unmapped opad-digest: opad_tmp_keys_dma_addr=%pad\n", + &ctx->opad_tmp_keys_dma_addr); ctx->opad_tmp_keys_dma_addr = 0; } @@ -1304,30 +1290,30 @@ static void ssi_hash_free_ctx(struct ssi_hash_ctx *ctx) static int ssi_hash_alloc_ctx(struct ssi_hash_ctx *ctx) { - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); ctx->key_params.keylen = 0; ctx->digest_buff_dma_addr = dma_map_single(dev, (void *)ctx->digest_buff, sizeof(ctx->digest_buff), DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, ctx->digest_buff_dma_addr)) { - SSI_LOG_ERR("Mapping digest len %zu B at va=%pK for DMA failed\n", - sizeof(ctx->digest_buff), ctx->digest_buff); + dev_err(dev, "Mapping digest len %zu B at va=%pK for DMA failed\n", + sizeof(ctx->digest_buff), ctx->digest_buff); goto fail; } - SSI_LOG_DEBUG("Mapped digest %zu B at va=%pK to dma=%pad\n", - sizeof(ctx->digest_buff), ctx->digest_buff, - ctx->digest_buff_dma_addr); + dev_dbg(dev, "Mapped digest %zu B at va=%pK to dma=%pad\n", + sizeof(ctx->digest_buff), ctx->digest_buff, + &ctx->digest_buff_dma_addr); ctx->opad_tmp_keys_dma_addr = dma_map_single(dev, (void *)ctx->opad_tmp_keys_buff, sizeof(ctx->opad_tmp_keys_buff), DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, ctx->opad_tmp_keys_dma_addr)) { - SSI_LOG_ERR("Mapping opad digest %zu B at va=%pK for DMA failed\n", - sizeof(ctx->opad_tmp_keys_buff), - ctx->opad_tmp_keys_buff); + dev_err(dev, "Mapping opad digest %zu B at va=%pK for DMA failed\n", + sizeof(ctx->opad_tmp_keys_buff), + ctx->opad_tmp_keys_buff); goto fail; } - SSI_LOG_DEBUG("Mapped opad_tmp_keys %zu B at va=%pK to dma=%pad\n", - sizeof(ctx->opad_tmp_keys_buff), ctx->opad_tmp_keys_buff, - ctx->opad_tmp_keys_dma_addr); + dev_dbg(dev, "Mapped opad_tmp_keys %zu B at va=%pK to dma=%pad\n", + sizeof(ctx->opad_tmp_keys_buff), ctx->opad_tmp_keys_buff, + &ctx->opad_tmp_keys_dma_addr); ctx->is_hmac = false; return 0; @@ -1361,8 +1347,9 @@ static int ssi_ahash_cra_init(struct crypto_tfm *tfm) static void ssi_hash_cra_exit(struct crypto_tfm *tfm) { struct ssi_hash_ctx *ctx = crypto_tfm_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("ssi_hash_cra_exit"); + dev_dbg(dev, "ssi_hash_cra_exit"); ssi_hash_free_ctx(ctx); } @@ -1371,7 +1358,7 @@ static int ssi_mac_update(struct ahash_request *req) struct ahash_req_ctx *state = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); unsigned int block_size = crypto_tfm_alg_blocksize(&tfm->base); struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; @@ -1388,12 +1375,12 @@ static int ssi_mac_update(struct ahash_request *req) rc = ssi_buffer_mgr_map_hash_request_update(ctx->drvdata, state, req->src, req->nbytes, block_size); if (unlikely(rc)) { if (rc == 1) { - SSI_LOG_DEBUG(" data size not require HW update %x\n", - req->nbytes); + dev_dbg(dev, " data size not require HW update %x\n", + req->nbytes); /* No hardware updates are required */ return 0; } - SSI_LOG_ERR("map_ahash_request_update() failed\n"); + dev_err(dev, "map_ahash_request_update() failed\n"); return -ENOMEM; } @@ -1420,7 +1407,7 @@ static int ssi_mac_update(struct ahash_request *req) rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, true); } return rc; @@ -1431,7 +1418,7 @@ static int ssi_mac_final(struct ahash_request *req) struct ahash_req_ctx *state = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; int idx = 0; @@ -1451,15 +1438,15 @@ static int ssi_mac_final(struct ahash_request *req) key_len = ctx->key_params.keylen; } - SSI_LOG_DEBUG("===== final xcbc reminder (%d) ====\n", rem_cnt); + dev_dbg(dev, "===== final xcbc reminder (%d) ====\n", rem_cnt); if (unlikely(ssi_buffer_mgr_map_hash_request_final(ctx->drvdata, state, req->src, req->nbytes, 0) != 0)) { - SSI_LOG_ERR("map_ahash_request_final() failed\n"); + dev_err(dev, "map_ahash_request_final() failed\n"); return -ENOMEM; } if (unlikely(ssi_hash_map_result(dev, state, digestsize) != 0)) { - SSI_LOG_ERR("map_ahash_digest() failed\n"); + dev_err(dev, "map_ahash_digest() failed\n"); return -ENOMEM; } @@ -1530,7 +1517,7 @@ static int ssi_mac_final(struct ahash_request *req) rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, true); ssi_hash_unmap_result(dev, state, digestsize, req->result); } @@ -1542,7 +1529,7 @@ static int ssi_mac_finup(struct ahash_request *req) struct ahash_req_ctx *state = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; int idx = 0; @@ -1550,18 +1537,18 @@ static int ssi_mac_finup(struct ahash_request *req) u32 key_len = 0; u32 digestsize = crypto_ahash_digestsize(tfm); - SSI_LOG_DEBUG("===== finup xcbc(%d) ====\n", req->nbytes); + dev_dbg(dev, "===== finup xcbc(%d) ====\n", req->nbytes); if (state->xcbc_count > 0 && req->nbytes == 0) { - SSI_LOG_DEBUG("No data to update. Call to fdx_mac_final\n"); + dev_dbg(dev, "No data to update. Call to fdx_mac_final\n"); return ssi_mac_final(req); } if (unlikely(ssi_buffer_mgr_map_hash_request_final(ctx->drvdata, state, req->src, req->nbytes, 1) != 0)) { - SSI_LOG_ERR("map_ahash_request_final() failed\n"); + dev_err(dev, "map_ahash_request_final() failed\n"); return -ENOMEM; } if (unlikely(ssi_hash_map_result(dev, state, digestsize) != 0)) { - SSI_LOG_ERR("map_ahash_digest() failed\n"); + dev_err(dev, "map_ahash_digest() failed\n"); return -ENOMEM; } @@ -1601,7 +1588,7 @@ static int ssi_mac_finup(struct ahash_request *req) rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, true); ssi_hash_unmap_result(dev, state, digestsize, req->result); } @@ -1613,7 +1600,7 @@ static int ssi_mac_digest(struct ahash_request *req) struct ahash_req_ctx *state = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); u32 digestsize = crypto_ahash_digestsize(tfm); struct ssi_crypto_req ssi_req = {}; struct cc_hw_desc desc[SSI_MAX_AHASH_SEQ_LEN]; @@ -1621,19 +1608,19 @@ static int ssi_mac_digest(struct ahash_request *req) int idx = 0; int rc; - SSI_LOG_DEBUG("===== -digest mac (%d) ====\n", req->nbytes); + dev_dbg(dev, "===== -digest mac (%d) ====\n", req->nbytes); if (unlikely(ssi_hash_map_request(dev, state, ctx) != 0)) { - SSI_LOG_ERR("map_ahash_source() failed\n"); + dev_err(dev, "map_ahash_source() failed\n"); return -ENOMEM; } if (unlikely(ssi_hash_map_result(dev, state, digestsize) != 0)) { - SSI_LOG_ERR("map_ahash_digest() failed\n"); + dev_err(dev, "map_ahash_digest() failed\n"); return -ENOMEM; } if (unlikely(ssi_buffer_mgr_map_hash_request_final(ctx->drvdata, state, req->src, req->nbytes, 1) != 0)) { - SSI_LOG_ERR("map_ahash_request_final() failed\n"); + dev_err(dev, "map_ahash_request_final() failed\n"); return -ENOMEM; } @@ -1673,7 +1660,7 @@ static int ssi_mac_digest(struct ahash_request *req) rc = send_request(ctx->drvdata, &ssi_req, desc, idx, 1); if (unlikely(rc != -EINPROGRESS)) { - SSI_LOG_ERR("send_request() failed (rc=%d)\n", rc); + dev_err(dev, "send_request() failed (rc=%d)\n", rc); ssi_buffer_mgr_unmap_hash_request(dev, state, req->src, true); ssi_hash_unmap_result(dev, state, digestsize, req->result); ssi_hash_unmap_request(dev, state, ctx); @@ -1727,8 +1714,9 @@ static int ssi_ahash_init(struct ahash_request *req) struct ahash_req_ctx *state = ahash_request_ctx(req); struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(tfm); + struct device *dev = drvdata_to_dev(ctx->drvdata); - SSI_LOG_DEBUG("===== init (%d) ====\n", req->nbytes); + dev_dbg(dev, "===== init (%d) ====\n", req->nbytes); return ssi_hash_init(state, ctx); } @@ -1737,7 +1725,7 @@ static int ssi_ahash_export(struct ahash_request *req, void *out) { struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(ahash); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); struct ahash_req_ctx *state = ahash_request_ctx(req); u8 *curr_buff = state->buff_index ? state->buff1 : state->buff0; u32 curr_buff_cnt = state->buff_index ? state->buff1_cnt : @@ -1778,7 +1766,7 @@ static int ssi_ahash_import(struct ahash_request *req, const void *in) { struct crypto_ahash *ahash = crypto_ahash_reqtfm(req); struct ssi_hash_ctx *ctx = crypto_ahash_ctx(ahash); - struct device *dev = &ctx->drvdata->plat_dev->dev; + struct device *dev = drvdata_to_dev(ctx->drvdata); struct ahash_req_ctx *state = ahash_request_ctx(req); u32 tmp; int rc; @@ -2054,17 +2042,17 @@ static struct ssi_hash_template driver_hash[] = { }; static struct ssi_hash_alg * -ssi_hash_create_alg(struct ssi_hash_template *template, bool keyed) +ssi_hash_create_alg(struct ssi_hash_template *template, struct device *dev, + bool keyed) { struct ssi_hash_alg *t_crypto_alg; struct crypto_alg *alg; struct ahash_alg *halg; t_crypto_alg = kzalloc(sizeof(*t_crypto_alg), GFP_KERNEL); - if (!t_crypto_alg) { - SSI_LOG_ERR("failed to allocate t_crypto_alg\n"); + if (!t_crypto_alg) return ERR_PTR(-ENOMEM); - } + t_crypto_alg->ahash_alg = template->template_ahash; halg = &t_crypto_alg->ahash_alg; @@ -2107,6 +2095,7 @@ int ssi_hash_init_sram_digest_consts(struct ssi_drvdata *drvdata) ssi_sram_addr_t sram_buff_ofs = hash_handle->digest_len_sram_addr; unsigned int larval_seq_len = 0; struct cc_hw_desc larval_seq[CC_DIGEST_SIZE_MAX / sizeof(u32)]; + struct device *dev = drvdata_to_dev(drvdata); int rc = 0; #if (DX_DEV_SHA_MAX > 256) int i; @@ -2191,7 +2180,7 @@ int ssi_hash_init_sram_digest_consts(struct ssi_drvdata *drvdata) } rc = send_request_init(drvdata, larval_seq, larval_seq_len); if (unlikely(rc != 0)) { - SSI_LOG_ERR("send_request() failed (rc = %d)\n", rc); + dev_err(dev, "send_request() failed (rc = %d)\n", rc); goto init_digest_const_err; } larval_seq_len = 0; @@ -2209,7 +2198,7 @@ int ssi_hash_init_sram_digest_consts(struct ssi_drvdata *drvdata) } rc = send_request_init(drvdata, larval_seq, larval_seq_len); if (unlikely(rc != 0)) { - SSI_LOG_ERR("send_request() failed (rc = %d)\n", rc); + dev_err(dev, "send_request() failed (rc = %d)\n", rc); goto init_digest_const_err; } #endif @@ -2223,17 +2212,15 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata) struct ssi_hash_handle *hash_handle; ssi_sram_addr_t sram_buff; u32 sram_size_to_alloc; + struct device *dev = drvdata_to_dev(drvdata); int rc = 0; int alg; hash_handle = kzalloc(sizeof(*hash_handle), GFP_KERNEL); - if (!hash_handle) { - SSI_LOG_ERR("kzalloc failed to allocate %zu B\n", - sizeof(*hash_handle)); - rc = -ENOMEM; - goto fail; - } + if (!hash_handle) + return -ENOMEM; + INIT_LIST_HEAD(&hash_handle->hash_list); drvdata->hash_handle = hash_handle; sram_size_to_alloc = sizeof(digest_len_init) + @@ -2249,7 +2236,7 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata) sram_buff = ssi_sram_mgr_alloc(drvdata, sram_size_to_alloc); if (sram_buff == NULL_SRAM_ADDR) { - SSI_LOG_ERR("SRAM pool exhausted\n"); + dev_err(dev, "SRAM pool exhausted\n"); rc = -ENOMEM; goto fail; } @@ -2260,31 +2247,29 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata) /*must be set before the alg registration as it is being used there*/ rc = ssi_hash_init_sram_digest_consts(drvdata); if (unlikely(rc != 0)) { - SSI_LOG_ERR("Init digest CONST failed (rc=%d)\n", rc); + dev_err(dev, "Init digest CONST failed (rc=%d)\n", rc); goto fail; } - INIT_LIST_HEAD(&hash_handle->hash_list); - /* ahash registration */ for (alg = 0; alg < ARRAY_SIZE(driver_hash); alg++) { struct ssi_hash_alg *t_alg; int hw_mode = driver_hash[alg].hw_mode; /* register hmac version */ - t_alg = ssi_hash_create_alg(&driver_hash[alg], true); + t_alg = ssi_hash_create_alg(&driver_hash[alg], dev, true); if (IS_ERR(t_alg)) { rc = PTR_ERR(t_alg); - SSI_LOG_ERR("%s alg allocation failed\n", - driver_hash[alg].driver_name); + dev_err(dev, "%s alg allocation failed\n", + driver_hash[alg].driver_name); goto fail; } t_alg->drvdata = drvdata; rc = crypto_register_ahash(&t_alg->ahash_alg); if (unlikely(rc)) { - SSI_LOG_ERR("%s alg registration failed\n", - driver_hash[alg].driver_name); + dev_err(dev, "%s alg registration failed\n", + driver_hash[alg].driver_name); kfree(t_alg); goto fail; } else { @@ -2297,19 +2282,19 @@ int ssi_hash_alloc(struct ssi_drvdata *drvdata) continue; /* register hash version */ - t_alg = ssi_hash_create_alg(&driver_hash[alg], false); + t_alg = ssi_hash_create_alg(&driver_hash[alg], dev, false); if (IS_ERR(t_alg)) { rc = PTR_ERR(t_alg); - SSI_LOG_ERR("%s alg allocation failed\n", - driver_hash[alg].driver_name); + dev_err(dev, "%s alg allocation failed\n", + driver_hash[alg].driver_name); goto fail; } t_alg->drvdata = drvdata; rc = crypto_register_ahash(&t_alg->ahash_alg); if (unlikely(rc)) { - SSI_LOG_ERR("%s alg registration failed\n", - driver_hash[alg].driver_name); + dev_err(dev, "%s alg registration failed\n", + driver_hash[alg].driver_name); kfree(t_alg); goto fail; } else { @@ -2443,6 +2428,7 @@ static void ssi_hash_create_data_desc(struct ahash_req_ctx *areq_ctx, unsigned int *seq_size) { unsigned int idx = *seq_size; + struct device *dev = drvdata_to_dev(ctx->drvdata); if (likely(areq_ctx->data_dma_buf_type == SSI_DMA_BUF_DLLI)) { hw_desc_init(&desc[idx]); @@ -2453,7 +2439,7 @@ static void ssi_hash_create_data_desc(struct ahash_req_ctx *areq_ctx, idx++; } else { if (areq_ctx->data_dma_buf_type == SSI_DMA_BUF_NULL) { - SSI_LOG_DEBUG(" NULL mode\n"); + dev_dbg(dev, " NULL mode\n"); /* nothing to build */ return; } @@ -2493,6 +2479,7 @@ ssi_sram_addr_t ssi_ahash_get_larval_digest_sram_addr(void *drvdata, u32 mode) { struct ssi_drvdata *_drvdata = (struct ssi_drvdata *)drvdata; struct ssi_hash_handle *hash_handle = _drvdata->hash_handle; + struct device *dev = drvdata_to_dev(_drvdata); switch (mode) { case DRV_HASH_NULL: @@ -2527,7 +2514,7 @@ ssi_sram_addr_t ssi_ahash_get_larval_digest_sram_addr(void *drvdata, u32 mode) sizeof(sha384_init)); #endif default: - SSI_LOG_ERR("Invalid hash mode (%d)\n", mode); + dev_err(dev, "Invalid hash mode (%d)\n", mode); } /*This is valid wrong value to avoid kernel crash*/ diff --git a/drivers/staging/ccree/ssi_ivgen.c b/drivers/staging/ccree/ssi_ivgen.c index b01e03231947..3f082f41ae8f 100644 --- a/drivers/staging/ccree/ssi_ivgen.c +++ b/drivers/staging/ccree/ssi_ivgen.c @@ -193,12 +193,9 @@ int ssi_ivgen_init(struct ssi_drvdata *drvdata) /* Allocate "this" context */ drvdata->ivgen_handle = kzalloc(sizeof(*drvdata->ivgen_handle), GFP_KERNEL); - if (!drvdata->ivgen_handle) { - SSI_LOG_ERR("Not enough memory to allocate IVGEN context " - "(%zu B)\n", sizeof(*drvdata->ivgen_handle)); - rc = -ENOMEM; - goto out; - } + if (!drvdata->ivgen_handle) + return -ENOMEM; + ivgen_ctx = drvdata->ivgen_handle; /* Allocate pool's header for intial enc. key/IV */ @@ -206,15 +203,15 @@ int ssi_ivgen_init(struct ssi_drvdata *drvdata) &ivgen_ctx->pool_meta_dma, GFP_KERNEL); if (!ivgen_ctx->pool_meta) { - SSI_LOG_ERR("Not enough memory to allocate DMA of pool_meta " - "(%u B)\n", SSI_IVPOOL_META_SIZE); + dev_err(device, "Not enough memory to allocate DMA of pool_meta (%u B)\n", + SSI_IVPOOL_META_SIZE); rc = -ENOMEM; goto out; } /* Allocate IV pool in SRAM */ ivgen_ctx->pool = ssi_sram_mgr_alloc(drvdata, SSI_IVPOOL_SIZE); if (ivgen_ctx->pool == NULL_SRAM_ADDR) { - SSI_LOG_ERR("SRAM pool exhausted\n"); + dev_err(device, "SRAM pool exhausted\n"); rc = -ENOMEM; goto out; } @@ -248,6 +245,7 @@ int ssi_ivgen_getiv( { struct ssi_ivgen_ctx *ivgen_ctx = drvdata->ivgen_handle; unsigned int idx = *iv_seq_len; + struct device *dev = drvdata_to_dev(drvdata); unsigned int t; if ((iv_out_size != CC_AES_IV_SIZE) && @@ -291,7 +289,7 @@ int ssi_ivgen_getiv( ivgen_ctx->next_iv_ofs += iv_out_size; if ((SSI_IVPOOL_SIZE - ivgen_ctx->next_iv_ofs) < CC_AES_IV_SIZE) { - SSI_LOG_DEBUG("Pool exhausted, regenerating iv-pool\n"); + dev_dbg(dev, "Pool exhausted, regenerating iv-pool\n"); /* pool is drained -regenerate it! */ return ssi_ivgen_generate_pool(ivgen_ctx, iv_seq, iv_seq_len); } diff --git a/drivers/staging/ccree/ssi_pm.c b/drivers/staging/ccree/ssi_pm.c index 31325e6cd4b4..36a498098a70 100644 --- a/drivers/staging/ccree/ssi_pm.c +++ b/drivers/staging/ccree/ssi_pm.c @@ -40,11 +40,12 @@ int ssi_power_mgr_runtime_suspend(struct device *dev) (struct ssi_drvdata *)dev_get_drvdata(dev); int rc; - SSI_LOG_DEBUG("set HOST_POWER_DOWN_EN\n"); - WRITE_REGISTER(drvdata->cc_base + CC_REG_OFFSET(HOST_RGF, HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); + dev_dbg(dev, "set HOST_POWER_DOWN_EN\n"); + cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_ENABLE); rc = ssi_request_mgr_runtime_suspend_queue(drvdata); if (rc != 0) { - SSI_LOG_ERR("ssi_request_mgr_runtime_suspend_queue (%x)\n", rc); + dev_err(dev, "ssi_request_mgr_runtime_suspend_queue (%x)\n", + rc); return rc; } fini_cc_regs(drvdata); @@ -58,24 +59,24 @@ int ssi_power_mgr_runtime_resume(struct device *dev) struct ssi_drvdata *drvdata = (struct ssi_drvdata *)dev_get_drvdata(dev); - SSI_LOG_DEBUG("unset HOST_POWER_DOWN_EN\n"); - WRITE_REGISTER(drvdata->cc_base + CC_REG_OFFSET(HOST_RGF, HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); + dev_dbg(dev, "unset HOST_POWER_DOWN_EN\n"); + cc_iowrite(drvdata, CC_REG(HOST_POWER_DOWN_EN), POWER_DOWN_DISABLE); rc = cc_clk_on(drvdata); if (rc) { - SSI_LOG_ERR("failed getting clock back on. We're toast.\n"); + dev_err(dev, "failed getting clock back on. We're toast.\n"); return rc; } rc = init_cc_regs(drvdata, false); if (rc != 0) { - SSI_LOG_ERR("init_cc_regs (%x)\n", rc); + dev_err(dev, "init_cc_regs (%x)\n", rc); return rc; } rc = ssi_request_mgr_runtime_resume_queue(drvdata); if (rc != 0) { - SSI_LOG_ERR("ssi_request_mgr_runtime_resume_queue (%x)\n", rc); + dev_err(dev, "ssi_request_mgr_runtime_resume_queue (%x)\n", rc); return rc; } @@ -109,7 +110,8 @@ int ssi_power_mgr_runtime_put_suspend(struct device *dev) rc = pm_runtime_put_autosuspend(dev); } else { /* Something wrong happens*/ - BUG(); + dev_err(dev, "request to suspend already suspended queue"); + rc = -EBUSY; } return rc; } @@ -120,16 +122,17 @@ int ssi_power_mgr_init(struct ssi_drvdata *drvdata) { int rc = 0; #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) - struct platform_device *plat_dev = drvdata->plat_dev; + struct device *dev = drvdata_to_dev(drvdata); + /* must be before the enabling to avoid resdundent suspending */ - pm_runtime_set_autosuspend_delay(&plat_dev->dev, SSI_SUSPEND_TIMEOUT); - pm_runtime_use_autosuspend(&plat_dev->dev); + pm_runtime_set_autosuspend_delay(dev, SSI_SUSPEND_TIMEOUT); + pm_runtime_use_autosuspend(dev); /* activate the PM module */ - rc = pm_runtime_set_active(&plat_dev->dev); + rc = pm_runtime_set_active(dev); if (rc != 0) return rc; /* enable the PM module*/ - pm_runtime_enable(&plat_dev->dev); + pm_runtime_enable(dev); #endif return rc; } @@ -137,8 +140,6 @@ int ssi_power_mgr_init(struct ssi_drvdata *drvdata) void ssi_power_mgr_fini(struct ssi_drvdata *drvdata) { #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) - struct platform_device *plat_dev = drvdata->plat_dev; - - pm_runtime_disable(&plat_dev->dev); + pm_runtime_disable(drvdata_to_dev(drvdata)); #endif } diff --git a/drivers/staging/ccree/ssi_request_mgr.c b/drivers/staging/ccree/ssi_request_mgr.c index e5c2f92857f6..a8a7dc672d4c 100644 --- a/drivers/staging/ccree/ssi_request_mgr.c +++ b/drivers/staging/ccree/ssi_request_mgr.c @@ -49,7 +49,6 @@ struct ssi_request_mgr_handle { dma_addr_t dummy_comp_buff_dma; struct cc_hw_desc monitor_desc; - volatile unsigned long monitor_lock; #ifdef COMP_IN_WQ struct workqueue_struct *workq; struct delayed_work compwork; @@ -69,19 +68,19 @@ static void comp_work_handler(struct work_struct *work); void request_mgr_fini(struct ssi_drvdata *drvdata) { struct ssi_request_mgr_handle *req_mgr_h = drvdata->request_mgr_handle; + struct device *dev = drvdata_to_dev(drvdata); if (!req_mgr_h) return; /* Not allocated */ if (req_mgr_h->dummy_comp_buff_dma != 0) { - dma_free_coherent(&drvdata->plat_dev->dev, - sizeof(u32), req_mgr_h->dummy_comp_buff, + dma_free_coherent(dev, sizeof(u32), req_mgr_h->dummy_comp_buff, req_mgr_h->dummy_comp_buff_dma); } - SSI_LOG_DEBUG("max_used_hw_slots=%d\n", (req_mgr_h->hw_queue_size - + dev_dbg(dev, "max_used_hw_slots=%d\n", (req_mgr_h->hw_queue_size - req_mgr_h->min_free_hw_slots)); - SSI_LOG_DEBUG("max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots); + dev_dbg(dev, "max_used_sw_slots=%d\n", req_mgr_h->max_used_sw_slots); #ifdef COMP_IN_WQ flush_workqueue(req_mgr_h->workq); @@ -98,6 +97,7 @@ void request_mgr_fini(struct ssi_drvdata *drvdata) int request_mgr_init(struct ssi_drvdata *drvdata) { struct ssi_request_mgr_handle *req_mgr_h; + struct device *dev = drvdata_to_dev(drvdata); int rc = 0; req_mgr_h = kzalloc(sizeof(*req_mgr_h), GFP_KERNEL); @@ -110,24 +110,24 @@ int request_mgr_init(struct ssi_drvdata *drvdata) spin_lock_init(&req_mgr_h->hw_lock); #ifdef COMP_IN_WQ - SSI_LOG_DEBUG("Initializing completion workqueue\n"); + dev_dbg(dev, "Initializing completion workqueue\n"); req_mgr_h->workq = create_singlethread_workqueue("arm_cc7x_wq"); if (unlikely(!req_mgr_h->workq)) { - SSI_LOG_ERR("Failed creating work queue\n"); + dev_err(dev, "Failed creating work queue\n"); rc = -ENOMEM; goto req_mgr_init_err; } INIT_DELAYED_WORK(&req_mgr_h->compwork, comp_work_handler); #else - SSI_LOG_DEBUG("Initializing completion tasklet\n"); + dev_dbg(dev, "Initializing completion tasklet\n"); tasklet_init(&req_mgr_h->comptask, comp_handler, (unsigned long)drvdata); #endif - req_mgr_h->hw_queue_size = READ_REGISTER(drvdata->cc_base + - CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_SRAM_SIZE)); - SSI_LOG_DEBUG("hw_queue_size=0x%08X\n", req_mgr_h->hw_queue_size); + req_mgr_h->hw_queue_size = cc_ioread(drvdata, + CC_REG(DSCRPTR_QUEUE_SRAM_SIZE)); + dev_dbg(dev, "hw_queue_size=0x%08X\n", req_mgr_h->hw_queue_size); if (req_mgr_h->hw_queue_size < MIN_HW_QUEUE_SIZE) { - SSI_LOG_ERR("Invalid HW queue size = %u (Min. required is %u)\n", - req_mgr_h->hw_queue_size, MIN_HW_QUEUE_SIZE); + dev_err(dev, "Invalid HW queue size = %u (Min. required is %u)\n", + req_mgr_h->hw_queue_size, MIN_HW_QUEUE_SIZE); rc = -ENOMEM; goto req_mgr_init_err; } @@ -135,13 +135,12 @@ int request_mgr_init(struct ssi_drvdata *drvdata) req_mgr_h->max_used_sw_slots = 0; /* Allocate DMA word for "dummy" completion descriptor use */ - req_mgr_h->dummy_comp_buff = dma_alloc_coherent(&drvdata->plat_dev->dev, - sizeof(u32), + req_mgr_h->dummy_comp_buff = dma_alloc_coherent(dev, sizeof(u32), &req_mgr_h->dummy_comp_buff_dma, GFP_KERNEL); if (!req_mgr_h->dummy_comp_buff) { - SSI_LOG_ERR("Not enough memory to allocate DMA (%zu) dropped " - "buffer\n", sizeof(u32)); + dev_err(dev, "Not enough memory to allocate DMA (%zu) dropped buffer\n", + sizeof(u32)); rc = -ENOMEM; goto req_mgr_init_err; } @@ -168,17 +167,17 @@ static inline void enqueue_seq( int i; for (i = 0; i < seq_len; i++) { - writel_relaxed(seq[i].word[0], (volatile void __iomem *)(cc_base + CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_WORD0))); - writel_relaxed(seq[i].word[1], (volatile void __iomem *)(cc_base + CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_WORD0))); - writel_relaxed(seq[i].word[2], (volatile void __iomem *)(cc_base + CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_WORD0))); - writel_relaxed(seq[i].word[3], (volatile void __iomem *)(cc_base + CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_WORD0))); - writel_relaxed(seq[i].word[4], (volatile void __iomem *)(cc_base + CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_WORD0))); + writel_relaxed(seq[i].word[0], (volatile void __iomem *)(cc_base + CC_REG(DSCRPTR_QUEUE_WORD0))); + writel_relaxed(seq[i].word[1], (volatile void __iomem *)(cc_base + CC_REG(DSCRPTR_QUEUE_WORD0))); + writel_relaxed(seq[i].word[2], (volatile void __iomem *)(cc_base + CC_REG(DSCRPTR_QUEUE_WORD0))); + writel_relaxed(seq[i].word[3], (volatile void __iomem *)(cc_base + CC_REG(DSCRPTR_QUEUE_WORD0))); + writel_relaxed(seq[i].word[4], (volatile void __iomem *)(cc_base + CC_REG(DSCRPTR_QUEUE_WORD0))); wmb(); - writel_relaxed(seq[i].word[5], (volatile void __iomem *)(cc_base + CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_WORD0))); + writel_relaxed(seq[i].word[5], (volatile void __iomem *)(cc_base + CC_REG(DSCRPTR_QUEUE_WORD0))); #ifdef DX_DUMP_DESCS - SSI_LOG_DEBUG("desc[%02d]: 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", i, - seq[i].word[0], seq[i].word[1], seq[i].word[2], - seq[i].word[3], seq[i].word[4], seq[i].word[5]); + dev_dbg(dev, "desc[%02d]: 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", + i, seq[i].word[0], seq[i].word[1], seq[i].word[2], + seq[i].word[3], seq[i].word[4], seq[i].word[5]); #endif } } @@ -198,11 +197,12 @@ static void request_mgr_complete(struct device *dev, void *dx_compl_h, void __io } static inline int request_mgr_queues_status_check( + struct ssi_drvdata *drvdata, struct ssi_request_mgr_handle *req_mgr_h, - void __iomem *cc_base, unsigned int total_seq_len) { unsigned long poll_queue; + struct device *dev = drvdata_to_dev(drvdata); /* SW queue is checked only once as it will not * be chaned during the poll becasue the spinlock_bh @@ -211,8 +211,8 @@ static inline int request_mgr_queues_status_check( if (unlikely(((req_mgr_h->req_queue_head + 1) & (MAX_REQUEST_QUEUE_SIZE - 1)) == req_mgr_h->req_queue_tail)) { - SSI_LOG_ERR("SW FIFO is full. req_queue_head=%d sw_fifo_len=%d\n", - req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE); + dev_err(dev, "SW FIFO is full. req_queue_head=%d sw_fifo_len=%d\n", + req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE); return -EBUSY; } @@ -222,8 +222,7 @@ static inline int request_mgr_queues_status_check( /* Wait for space in HW queue. Poll constant num of iterations. */ for (poll_queue = 0; poll_queue < SSI_MAX_POLL_ITER ; poll_queue++) { req_mgr_h->q_free_slots = - CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, - DSCRPTR_QUEUE_CONTENT)); + cc_ioread(drvdata, CC_REG(DSCRPTR_QUEUE_CONTENT)); if (unlikely(req_mgr_h->q_free_slots < req_mgr_h->min_free_hw_slots)) { req_mgr_h->min_free_hw_slots = req_mgr_h->q_free_slots; @@ -234,16 +233,13 @@ static inline int request_mgr_queues_status_check( return 0; } - SSI_LOG_DEBUG("HW FIFO is full. q_free_slots=%d total_seq_len=%d\n", - req_mgr_h->q_free_slots, total_seq_len); + dev_dbg(dev, "HW FIFO is full. q_free_slots=%d total_seq_len=%d\n", + req_mgr_h->q_free_slots, total_seq_len); } /* No room in the HW queue try again later */ - SSI_LOG_DEBUG("HW FIFO full, timeout. req_queue_head=%d " - "sw_fifo_len=%d q_free_slots=%d total_seq_len=%d\n", - req_mgr_h->req_queue_head, - MAX_REQUEST_QUEUE_SIZE, - req_mgr_h->q_free_slots, - total_seq_len); + dev_dbg(dev, "HW FIFO full, timeout. req_queue_head=%d sw_fifo_len=%d q_free_slots=%d total_seq_len=%d\n", + req_mgr_h->req_queue_head, MAX_REQUEST_QUEUE_SIZE, + req_mgr_h->q_free_slots, total_seq_len); return -EAGAIN; } @@ -270,16 +266,17 @@ int send_request( unsigned int iv_seq_len = 0; unsigned int total_seq_len = len; /*initial sequence length*/ struct cc_hw_desc iv_seq[SSI_IVPOOL_SEQ_LEN]; + struct device *dev = drvdata_to_dev(drvdata); int rc; unsigned int max_required_seq_len = (total_seq_len + ((ssi_req->ivgen_dma_addr_len == 0) ? 0 : SSI_IVPOOL_SEQ_LEN) + - ((is_dout == 0) ? 1 : 0)); + (!is_dout ? 1 : 0)); #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) - rc = ssi_power_mgr_runtime_get(&drvdata->plat_dev->dev); + rc = ssi_power_mgr_runtime_get(dev); if (rc != 0) { - SSI_LOG_ERR("ssi_power_mgr_runtime_get returned %x\n", rc); + dev_err(dev, "ssi_power_mgr_runtime_get returned %x\n", rc); return rc; } #endif @@ -291,7 +288,7 @@ int send_request( * in case iv gen add the max size and in case of no dout add 1 * for the internal completion descriptor */ - rc = request_mgr_queues_status_check(req_mgr_h, cc_base, + rc = request_mgr_queues_status_check(drvdata, req_mgr_h, max_required_seq_len); if (likely(rc == 0)) /* There is enough place in the queue */ @@ -304,7 +301,7 @@ int send_request( * (SW queue is full) */ #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) - ssi_power_mgr_runtime_put_suspend(&drvdata->plat_dev->dev); + ssi_power_mgr_runtime_put_suspend(dev); #endif return rc; } @@ -324,12 +321,12 @@ int send_request( } if (ssi_req->ivgen_dma_addr_len > 0) { - SSI_LOG_DEBUG("Acquire IV from pool into %d DMA addresses %pad, %pad, %pad, IV-size=%u\n", - ssi_req->ivgen_dma_addr_len, - ssi_req->ivgen_dma_addr[0], - ssi_req->ivgen_dma_addr[1], - ssi_req->ivgen_dma_addr[2], - ssi_req->ivgen_size); + dev_dbg(dev, "Acquire IV from pool into %d DMA addresses %pad, %pad, %pad, IV-size=%u\n", + ssi_req->ivgen_dma_addr_len, + &ssi_req->ivgen_dma_addr[0], + &ssi_req->ivgen_dma_addr[1], + &ssi_req->ivgen_dma_addr[2], + ssi_req->ivgen_size); /* Acquire IV from pool */ rc = ssi_ivgen_getiv(drvdata, ssi_req->ivgen_dma_addr, @@ -337,10 +334,10 @@ int send_request( ssi_req->ivgen_size, iv_seq, &iv_seq_len); if (unlikely(rc != 0)) { - SSI_LOG_ERR("Failed to generate IV (rc=%d)\n", rc); + dev_err(dev, "Failed to generate IV (rc=%d)\n", rc); spin_unlock_bh(&req_mgr_h->hw_lock); #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) - ssi_power_mgr_runtime_put_suspend(&drvdata->plat_dev->dev); + ssi_power_mgr_runtime_put_suspend(dev); #endif return rc; } @@ -357,7 +354,7 @@ int send_request( req_mgr_h->req_queue_head = (req_mgr_h->req_queue_head + 1) & (MAX_REQUEST_QUEUE_SIZE - 1); /* TODO: Use circ_buf.h ? */ - SSI_LOG_DEBUG("Enqueue request head=%u\n", req_mgr_h->req_queue_head); + dev_dbg(dev, "Enqueue request head=%u\n", req_mgr_h->req_queue_head); #ifdef FLUSH_CACHE_ALL flush_cache_all(); @@ -369,11 +366,16 @@ int send_request( enqueue_seq(cc_base, &req_mgr_h->compl_desc, (is_dout ? 0 : 1)); if (unlikely(req_mgr_h->q_free_slots < total_seq_len)) { - /*This means that there was a problem with the resume*/ - BUG(); + /* This situation should never occur. Maybe indicating problem + * with resuming power. Set the free slot count to 0 and hope + * for the best. + */ + dev_err(dev, "HW free slot count mismatch."); + req_mgr_h->q_free_slots = 0; + } else { + /* Update the free slots in HW queue */ + req_mgr_h->q_free_slots -= total_seq_len; } - /* Update the free slots in HW queue */ - req_mgr_h->q_free_slots -= total_seq_len; spin_unlock_bh(&req_mgr_h->hw_lock); @@ -383,10 +385,9 @@ int send_request( */ wait_for_completion(&ssi_req->seq_compl); return 0; - } else { - /* Operation still in process */ - return -EINPROGRESS; } + /* Operation still in process */ + return -EINPROGRESS; } /*! @@ -409,7 +410,8 @@ int send_request_init( int rc = 0; /* Wait for space in HW and SW FIFO. Poll for as much as FIFO_TIMEOUT. */ - rc = request_mgr_queues_status_check(req_mgr_h, cc_base, total_seq_len); + rc = request_mgr_queues_status_check(drvdata, req_mgr_h, + total_seq_len); if (unlikely(rc != 0)) return rc; @@ -418,8 +420,8 @@ int send_request_init( enqueue_seq(cc_base, desc, len); /* Update the free slots in HW queue */ - req_mgr_h->q_free_slots = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, - DSCRPTR_QUEUE_CONTENT)); + req_mgr_h->q_free_slots = + cc_ioread(drvdata, CC_REG(DSCRPTR_QUEUE_CONTENT)); return 0; } @@ -448,7 +450,7 @@ static void comp_work_handler(struct work_struct *work) static void proc_completions(struct ssi_drvdata *drvdata) { struct ssi_crypto_req *ssi_req; - struct platform_device *plat_dev = drvdata->plat_dev; + struct device *dev = drvdata_to_dev(drvdata); struct ssi_request_mgr_handle *request_mgr_handle = drvdata->request_mgr_handle; #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) @@ -460,8 +462,13 @@ static void proc_completions(struct ssi_drvdata *drvdata) /* Dequeue request */ if (unlikely(request_mgr_handle->req_queue_head == request_mgr_handle->req_queue_tail)) { - SSI_LOG_ERR("Request queue is empty req_queue_head==req_queue_tail==%u\n", request_mgr_handle->req_queue_head); - BUG(); + /* We are supposed to handle a completion but our + * queue is empty. This is not normal. Return and + * hope for the best. + */ + dev_err(dev, "Request queue is empty head == tail %u\n", + request_mgr_handle->req_queue_head); + break; } ssi_req = &request_mgr_handle->req_queue[request_mgr_handle->req_queue_tail]; @@ -476,39 +483,40 @@ static void proc_completions(struct ssi_drvdata *drvdata) u32 axi_err; int i; - SSI_LOG_INFO("Delay\n"); + dev_info(dev, "Delay\n"); for (i = 0; i < 1000000; i++) - axi_err = READ_REGISTER(drvdata->cc_base + CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_ERR)); + axi_err = cc_ioread(drvdata, + CC_REG(AXIM_MON_ERR)); } #endif /* COMPLETION_DELAY */ if (likely(ssi_req->user_cb)) - ssi_req->user_cb(&plat_dev->dev, ssi_req->user_arg, drvdata->cc_base); + ssi_req->user_cb(dev, ssi_req->user_arg, + drvdata->cc_base); request_mgr_handle->req_queue_tail = (request_mgr_handle->req_queue_tail + 1) & (MAX_REQUEST_QUEUE_SIZE - 1); - SSI_LOG_DEBUG("Dequeue request tail=%u\n", request_mgr_handle->req_queue_tail); - SSI_LOG_DEBUG("Request completed. axi_completed=%d\n", request_mgr_handle->axi_completed); + dev_dbg(dev, "Dequeue request tail=%u\n", + request_mgr_handle->req_queue_tail); + dev_dbg(dev, "Request completed. axi_completed=%d\n", + request_mgr_handle->axi_completed); #if defined(CONFIG_PM_RUNTIME) || defined(CONFIG_PM_SLEEP) - rc = ssi_power_mgr_runtime_put_suspend(&plat_dev->dev); + rc = ssi_power_mgr_runtime_put_suspend(dev); if (rc != 0) - SSI_LOG_ERR("Failed to set runtime suspension %d\n", rc); + dev_err(dev, "Failed to set runtime suspension %d\n", + rc); #endif } } -static inline u32 cc_axi_comp_count(void __iomem *cc_base) +static inline u32 cc_axi_comp_count(struct ssi_drvdata *drvdata) { - /* The CC_HAL_READ_REGISTER macro implictly requires and uses - * a base MMIO register address variable named cc_base. - */ return FIELD_GET(AXIM_MON_COMP_VALUE, - CC_HAL_READ_REGISTER(AXIM_MON_BASE_OFFSET)); + cc_ioread(drvdata, CC_REG(AXIM_MON_COMP))); } /* Deferred service handler, run as interrupt-fired tasklet */ static void comp_handler(unsigned long devarg) { struct ssi_drvdata *drvdata = (struct ssi_drvdata *)devarg; - void __iomem *cc_base = drvdata->cc_base; struct ssi_request_mgr_handle *request_mgr_handle = drvdata->request_mgr_handle; @@ -517,12 +525,16 @@ static void comp_handler(unsigned long devarg) irq = (drvdata->irq & SSI_COMP_IRQ_MASK); if (irq & SSI_COMP_IRQ_MASK) { - /* To avoid the interrupt from firing as we unmask it, we clear it now */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_ICR), SSI_COMP_IRQ_MASK); + /* To avoid the interrupt from firing as we unmask it, + * we clear it now + */ + cc_iowrite(drvdata, CC_REG(HOST_ICR), SSI_COMP_IRQ_MASK); - /* Avoid race with above clear: Test completion counter once more */ + /* Avoid race with above clear: Test completion counter + * once more + */ request_mgr_handle->axi_completed += - cc_axi_comp_count(cc_base); + cc_axi_comp_count(drvdata); while (request_mgr_handle->axi_completed) { do { @@ -531,20 +543,21 @@ static void comp_handler(unsigned long devarg) * request_mgr_handle->axi_completed is 0. */ request_mgr_handle->axi_completed = - cc_axi_comp_count(cc_base); + cc_axi_comp_count(drvdata); } while (request_mgr_handle->axi_completed > 0); - /* To avoid the interrupt from firing as we unmask it, we clear it now */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_ICR), SSI_COMP_IRQ_MASK); + cc_iowrite(drvdata, CC_REG(HOST_ICR), + SSI_COMP_IRQ_MASK); - /* Avoid race with above clear: Test completion counter once more */ request_mgr_handle->axi_completed += - cc_axi_comp_count(cc_base); + cc_axi_comp_count(drvdata); } } - /* after verifing that there is nothing to do, Unmask AXI completion interrupt */ - CC_HAL_WRITE_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR), - CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IMR)) & ~irq); + /* after verifing that there is nothing to do, + * unmask AXI completion interrupt + */ + cc_iowrite(drvdata, CC_REG(HOST_IMR), + cc_ioread(drvdata, CC_REG(HOST_IMR)) & ~irq); } /* diff --git a/drivers/staging/ccree/ssi_sram_mgr.c b/drivers/staging/ccree/ssi_sram_mgr.c index f11116afe89a..07260d168c91 100644 --- a/drivers/staging/ccree/ssi_sram_mgr.c +++ b/drivers/staging/ccree/ssi_sram_mgr.c @@ -50,28 +50,14 @@ void ssi_sram_mgr_fini(struct ssi_drvdata *drvdata) */ int ssi_sram_mgr_init(struct ssi_drvdata *drvdata) { - struct ssi_sram_mgr_ctx *smgr_ctx; - int rc; - /* Allocate "this" context */ - drvdata->sram_mgr_handle = kzalloc( - sizeof(struct ssi_sram_mgr_ctx), GFP_KERNEL); - if (!drvdata->sram_mgr_handle) { - SSI_LOG_ERR("Not enough memory to allocate SRAM_MGR ctx (%zu)\n", - sizeof(struct ssi_sram_mgr_ctx)); - rc = -ENOMEM; - goto out; - } - smgr_ctx = drvdata->sram_mgr_handle; + drvdata->sram_mgr_handle = kzalloc(sizeof(struct ssi_sram_mgr_ctx), + GFP_KERNEL); - /* Pool starts at start of SRAM */ - smgr_ctx->sram_free_offset = 0; + if (!drvdata->sram_mgr_handle) + return -ENOMEM; return 0; - -out: - ssi_sram_mgr_fini(drvdata); - return rc; } /*! @@ -86,22 +72,23 @@ out: ssi_sram_addr_t ssi_sram_mgr_alloc(struct ssi_drvdata *drvdata, u32 size) { struct ssi_sram_mgr_ctx *smgr_ctx = drvdata->sram_mgr_handle; + struct device *dev = drvdata_to_dev(drvdata); ssi_sram_addr_t p; if (unlikely((size & 0x3) != 0)) { - SSI_LOG_ERR("Requested buffer size (%u) is not multiple of 4", - size); + dev_err(dev, "Requested buffer size (%u) is not multiple of 4", + size); return NULL_SRAM_ADDR; } if (unlikely(size > (SSI_CC_SRAM_SIZE - smgr_ctx->sram_free_offset))) { - SSI_LOG_ERR("Not enough space to allocate %u B (at offset %llu)\n", - size, smgr_ctx->sram_free_offset); + dev_err(dev, "Not enough space to allocate %u B (at offset %llu)\n", + size, smgr_ctx->sram_free_offset); return NULL_SRAM_ADDR; } p = smgr_ctx->sram_free_offset; smgr_ctx->sram_free_offset += size; - SSI_LOG_DEBUG("Allocated %u B @ %u\n", size, (unsigned int)p); + dev_dbg(dev, "Allocated %u B @ %u\n", size, (unsigned int)p); return p; } diff --git a/drivers/staging/ccree/ssi_sysfs.c b/drivers/staging/ccree/ssi_sysfs.c index 0655658bba4d..5d39f15cdb59 100644 --- a/drivers/staging/ccree/ssi_sysfs.c +++ b/drivers/staging/ccree/ssi_sysfs.c @@ -24,277 +24,22 @@ static struct ssi_drvdata *sys_get_drvdata(void); -#ifdef CC_CYCLE_COUNT - -#include <asm/timex.h> - -struct stat_item { - unsigned int min; - unsigned int max; - cycles_t sum; - unsigned int count; -}; - -struct stat_name { - const char *op_type_name; - const char *stat_phase_name[MAX_STAT_PHASES]; -}; - -static struct stat_name stat_name_db[MAX_STAT_OP_TYPES] = { - { - /* STAT_OP_TYPE_NULL */ - .op_type_name = "NULL", - .stat_phase_name = {NULL}, - }, - { - .op_type_name = "Encode", - .stat_phase_name[STAT_PHASE_0] = "Init and sanity checks", - .stat_phase_name[STAT_PHASE_1] = "Map buffers", - .stat_phase_name[STAT_PHASE_2] = "Create sequence", - .stat_phase_name[STAT_PHASE_3] = "Send Request", - .stat_phase_name[STAT_PHASE_4] = "HW-Q push", - .stat_phase_name[STAT_PHASE_5] = "Sequence completion", - .stat_phase_name[STAT_PHASE_6] = "HW cycles", - }, - { .op_type_name = "Decode", - .stat_phase_name[STAT_PHASE_0] = "Init and sanity checks", - .stat_phase_name[STAT_PHASE_1] = "Map buffers", - .stat_phase_name[STAT_PHASE_2] = "Create sequence", - .stat_phase_name[STAT_PHASE_3] = "Send Request", - .stat_phase_name[STAT_PHASE_4] = "HW-Q push", - .stat_phase_name[STAT_PHASE_5] = "Sequence completion", - .stat_phase_name[STAT_PHASE_6] = "HW cycles", - }, - { .op_type_name = "Setkey", - .stat_phase_name[STAT_PHASE_0] = "Init and sanity checks", - .stat_phase_name[STAT_PHASE_1] = "Copy key to ctx", - .stat_phase_name[STAT_PHASE_2] = "Create sequence", - .stat_phase_name[STAT_PHASE_3] = "Send Request", - .stat_phase_name[STAT_PHASE_4] = "HW-Q push", - .stat_phase_name[STAT_PHASE_5] = "Sequence completion", - .stat_phase_name[STAT_PHASE_6] = "HW cycles", - }, - { - .op_type_name = "Generic", - .stat_phase_name[STAT_PHASE_0] = "Interrupt", - .stat_phase_name[STAT_PHASE_1] = "ISR-to-Tasklet", - .stat_phase_name[STAT_PHASE_2] = "Tasklet start-to-end", - .stat_phase_name[STAT_PHASE_3] = "Tasklet:user_cb()", - .stat_phase_name[STAT_PHASE_4] = "Tasklet:dx_X_complete() - w/o X_complete()", - .stat_phase_name[STAT_PHASE_5] = "", - .stat_phase_name[STAT_PHASE_6] = "HW cycles", - } -}; - -/* - * Structure used to create a directory - * and its attributes in sysfs. - */ -struct sys_dir { - struct kobject *sys_dir_kobj; - struct attribute_group sys_dir_attr_group; - struct attribute **sys_dir_attr_list; - u32 num_of_attrs; - struct ssi_drvdata *drvdata; /* Associated driver context */ -}; - -/* top level directory structures */ -struct sys_dir sys_top_dir; - -static DEFINE_SPINLOCK(stat_lock); - -/* List of DBs */ -static struct stat_item stat_host_db[MAX_STAT_OP_TYPES][MAX_STAT_PHASES]; -static struct stat_item stat_cc_db[MAX_STAT_OP_TYPES][MAX_STAT_PHASES]; - -static void init_db(struct stat_item item[MAX_STAT_OP_TYPES][MAX_STAT_PHASES]) -{ - unsigned int i, j; - - /* Clear db */ - for (i = 0; i < MAX_STAT_OP_TYPES; i++) { - for (j = 0; j < MAX_STAT_PHASES; j++) { - item[i][j].min = 0xFFFFFFFF; - item[i][j].max = 0; - item[i][j].sum = 0; - item[i][j].count = 0; - } - } -} - -static void update_db(struct stat_item *item, unsigned int result) -{ - item->count++; - item->sum += result; - if (result < item->min) - item->min = result; - if (result > item->max) - item->max = result; -} - -static void display_db(struct stat_item item[MAX_STAT_OP_TYPES][MAX_STAT_PHASES]) -{ - unsigned int i, j; - u64 avg; - - for (i = STAT_OP_TYPE_ENCODE; i < MAX_STAT_OP_TYPES; i++) { - for (j = 0; j < MAX_STAT_PHASES; j++) { - if (item[i][j].count > 0) { - avg = (u64)item[i][j].sum; - do_div(avg, item[i][j].count); - SSI_LOG_ERR("%s, %s: min=%d avg=%d max=%d sum=%lld count=%d\n", - stat_name_db[i].op_type_name, - stat_name_db[i].stat_phase_name[j], - item[i][j].min, (int)avg, - item[i][j].max, - (long long)item[i][j].sum, - item[i][j].count); - } - } - } -} - -/************************************** - * Attributes show functions section * - **************************************/ - -static ssize_t ssi_sys_stats_host_db_clear(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t count) -{ - init_db(stat_host_db); - return count; -} - -static ssize_t ssi_sys_stats_cc_db_clear(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t count) -{ - init_db(stat_cc_db); - return count; -} - -static ssize_t ssi_sys_stat_host_db_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) -{ - int i, j; - char line[512]; - u32 min_cyc, max_cyc; - u64 avg; - ssize_t buf_len, tmp_len = 0; - - buf_len = scnprintf(buf, PAGE_SIZE, - "phase\t\t\t\t\t\t\tmin[cy]\tavg[cy]\tmax[cy]\t#samples\n"); - if (buf_len < 0)/* scnprintf shouldn't return negative value according to its implementation*/ - return buf_len; - for (i = STAT_OP_TYPE_ENCODE; i < MAX_STAT_OP_TYPES; i++) { - for (j = 0; j < MAX_STAT_PHASES - 1; j++) { - if (stat_host_db[i][j].count > 0) { - avg = (u64)stat_host_db[i][j].sum; - do_div(avg, stat_host_db[i][j].count); - min_cyc = stat_host_db[i][j].min; - max_cyc = stat_host_db[i][j].max; - } else { - avg = min_cyc = max_cyc = 0; - } - tmp_len = scnprintf(line, 512, - "%s::%s\t\t\t\t\t%6u\t%6u\t%6u\t%7u\n", - stat_name_db[i].op_type_name, - stat_name_db[i].stat_phase_name[j], - min_cyc, (unsigned int)avg, max_cyc, - stat_host_db[i][j].count); - if (tmp_len < 0)/* scnprintf shouldn't return negative value according to its implementation*/ - return buf_len; - if (buf_len + tmp_len >= PAGE_SIZE) - return buf_len; - buf_len += tmp_len; - strncat(buf, line, 512); - } - } - return buf_len; -} - -static ssize_t ssi_sys_stat_cc_db_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf) -{ - int i; - char line[256]; - u32 min_cyc, max_cyc; - u64 avg; - ssize_t buf_len, tmp_len = 0; - - buf_len = scnprintf(buf, PAGE_SIZE, - "phase\tmin[cy]\tavg[cy]\tmax[cy]\t#samples\n"); - if (buf_len < 0)/* scnprintf shouldn't return negative value according to its implementation*/ - return buf_len; - for (i = STAT_OP_TYPE_ENCODE; i < MAX_STAT_OP_TYPES; i++) { - if (stat_cc_db[i][STAT_PHASE_6].count > 0) { - avg = (u64)stat_cc_db[i][STAT_PHASE_6].sum; - do_div(avg, stat_cc_db[i][STAT_PHASE_6].count); - min_cyc = stat_cc_db[i][STAT_PHASE_6].min; - max_cyc = stat_cc_db[i][STAT_PHASE_6].max; - } else { - avg = min_cyc = max_cyc = 0; - } - tmp_len = scnprintf(line, 256, "%s\t%6u\t%6u\t%6u\t%7u\n", - stat_name_db[i].op_type_name, min_cyc, - (unsigned int)avg, max_cyc, - stat_cc_db[i][STAT_PHASE_6].count); - - if (tmp_len < 0)/* scnprintf shouldn't return negative value according to its implementation*/ - return buf_len; - - if (buf_len + tmp_len >= PAGE_SIZE) - return buf_len; - buf_len += tmp_len; - strncat(buf, line, 256); - } - return buf_len; -} - -void update_host_stat(unsigned int op_type, unsigned int phase, cycles_t result) -{ - unsigned long flags; - - spin_lock_irqsave(&stat_lock, flags); - update_db(&stat_host_db[op_type][phase], (unsigned int)result); - spin_unlock_irqrestore(&stat_lock, flags); -} - -void update_cc_stat( - unsigned int op_type, - unsigned int phase, - unsigned int elapsed_cycles) -{ - update_db(&stat_cc_db[op_type][phase], elapsed_cycles); -} - -void display_all_stat_db(void) -{ - SSI_LOG_ERR("\n======= CYCLE COUNT STATS =======\n"); - display_db(stat_host_db); - SSI_LOG_ERR("\n======= CC HW CYCLE COUNT STATS =======\n"); - display_db(stat_cc_db); -} -#endif /*CC_CYCLE_COUNT*/ - static ssize_t ssi_sys_regdump_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) { struct ssi_drvdata *drvdata = sys_get_drvdata(); u32 register_value; - void __iomem *cc_base = drvdata->cc_base; int offset = 0; - register_value = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_SIGNATURE)); + register_value = cc_ioread(drvdata, CC_REG(HOST_SIGNATURE)); offset += scnprintf(buf + offset, PAGE_SIZE - offset, "%s \t(0x%lX)\t 0x%08X\n", "HOST_SIGNATURE ", DX_HOST_SIGNATURE_REG_OFFSET, register_value); - register_value = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_IRR)); + register_value = cc_ioread(drvdata, CC_REG(HOST_IRR)); offset += scnprintf(buf + offset, PAGE_SIZE - offset, "%s \t(0x%lX)\t 0x%08X\n", "HOST_IRR ", DX_HOST_IRR_REG_OFFSET, register_value); - register_value = CC_HAL_READ_REGISTER(CC_REG_OFFSET(HOST_RGF, HOST_POWER_DOWN_EN)); + register_value = cc_ioread(drvdata, CC_REG(HOST_POWER_DOWN_EN)); offset += scnprintf(buf + offset, PAGE_SIZE - offset, "%s \t(0x%lX)\t 0x%08X\n", "HOST_POWER_DOWN_EN ", DX_HOST_POWER_DOWN_EN_REG_OFFSET, register_value); - register_value = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, AXIM_MON_ERR)); + register_value = cc_ioread(drvdata, CC_REG(AXIM_MON_ERR)); offset += scnprintf(buf + offset, PAGE_SIZE - offset, "%s \t(0x%lX)\t 0x%08X\n", "AXIM_MON_ERR ", DX_AXIM_MON_ERR_REG_OFFSET, register_value); - register_value = CC_HAL_READ_REGISTER(CC_REG_OFFSET(CRY_KERNEL, DSCRPTR_QUEUE_CONTENT)); + register_value = cc_ioread(drvdata, CC_REG(DSCRPTR_QUEUE_CONTENT)); offset += scnprintf(buf + offset, PAGE_SIZE - offset, "%s \t(0x%lX)\t 0x%08X\n", "DSCRPTR_QUEUE_CONTENT", DX_DSCRPTR_QUEUE_CONTENT_REG_OFFSET, register_value); return offset; } @@ -304,12 +49,6 @@ static ssize_t ssi_sys_help_show(struct kobject *kobj, { char *help_str[] = { "cat reg_dump ", "Print several of CC register values", - #if defined CC_CYCLE_COUNT - "cat stats_host ", "Print host statistics", - "echo <number> > stats_host", "Clear host statistics database", - "cat stats_cc ", "Print CC statistics", - "echo <number> > stats_cc ", "Clear CC statistics database", - #endif }; int i = 0, offset = 0; @@ -376,7 +115,7 @@ static int sys_init_dir(struct sys_dir *sys_dir, struct ssi_drvdata *drvdata, return -ENOMEM; /* allocate memory for directory's attributes list */ sys_dir->sys_dir_attr_list = - kzalloc(sizeof(struct attribute *) * (num_of_attrs + 1), + kcalloc(num_of_attrs + 1, sizeof(struct attribute *), GFP_KERNEL); if (!(sys_dir->sys_dir_attr_list)) { @@ -413,14 +152,9 @@ static void sys_free_dir(struct sys_dir *sys_dir) int ssi_sysfs_init(struct kobject *sys_dev_obj, struct ssi_drvdata *drvdata) { int retval; + struct device *dev = drvdata_to_dev(drvdata); -#if defined CC_CYCLE_COUNT - /* Init. statistics */ - init_db(stat_host_db); - init_db(stat_cc_db); -#endif - - SSI_LOG_ERR("setup sysfs under %s\n", sys_dev_obj->name); + dev_info(dev, "setup sysfs under %s\n", sys_dev_obj->name); /* Initialize top directory */ retval = sys_init_dir(&sys_top_dir, drvdata, sys_dev_obj, "cc_info", diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index 7a655ed071a3..4218fc0e17f1 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -785,8 +785,8 @@ config COMEDI_ADV_PCI_DIO ---help--- Enable support for Advantech PCI DIO cards PCI-1730, PCI-1733, PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, - PCI-1750, PCI-1751, PCI-1752, PCI-1753/E, PCI-1754, PCI-1756 and - PCI-1762 + PCI-1750, PCI-1751, PCI-1752, PCI-1753/E, PCI-1754, PCI-1756, + PCI-1761 and PCI-1762 To compile this driver as a module, choose M here: the module will be called adv_pci_dio. diff --git a/drivers/staging/comedi/Makefile b/drivers/staging/comedi/Makefile index 7f9dfb3923ab..6af5da3b4315 100644 --- a/drivers/staging/comedi/Makefile +++ b/drivers/staging/comedi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_COMEDI_DEBUG) := -DDEBUG comedi-y := comedi_fops.o range.o drivers.o \ diff --git a/drivers/staging/comedi/comedi_internal.h b/drivers/staging/comedi/comedi_internal.h index 6246f4a78ca6..515f293a5d26 100644 --- a/drivers/staging/comedi/comedi_internal.h +++ b/drivers/staging/comedi/comedi_internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _COMEDI_INTERNAL_H #define _COMEDI_INTERNAL_H diff --git a/drivers/staging/comedi/drivers/Makefile b/drivers/staging/comedi/drivers/Makefile index 0c8cfa738727..736e7e55219d 100644 --- a/drivers/staging/comedi/drivers/Makefile +++ b/drivers/staging/comedi/drivers/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for individual comedi drivers # ccflags-$(CONFIG_COMEDI_DEBUG) := -DDEBUG diff --git a/drivers/staging/comedi/drivers/addi_tcw.h b/drivers/staging/comedi/drivers/addi_tcw.h index db6d5a4e8889..2b44d3a04484 100644 --- a/drivers/staging/comedi/drivers/addi_tcw.h +++ b/drivers/staging/comedi/drivers/addi_tcw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ADDI_TCW_H #define _ADDI_TCW_H diff --git a/drivers/staging/comedi/drivers/addi_watchdog.h b/drivers/staging/comedi/drivers/addi_watchdog.h index b049cfba9813..7523084a0742 100644 --- a/drivers/staging/comedi/drivers/addi_watchdog.h +++ b/drivers/staging/comedi/drivers/addi_watchdog.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ADDI_WATCHDOG_H #define _ADDI_WATCHDOG_H diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c index 620cec13d74c..a8186687ca2c 100644 --- a/drivers/staging/comedi/drivers/adv_pci_dio.c +++ b/drivers/staging/comedi/drivers/adv_pci_dio.c @@ -12,9 +12,9 @@ * Devices: [Advantech] PCI-1730 (adv_pci_dio), PCI-1733, * PCI-1734, PCI-1735U, PCI-1736UP, PCI-1739U, PCI-1750, * PCI-1751, PCI-1752, PCI-1753, PCI-1753+PCI-1753E, - * PCI-1754, PCI-1756, PCI-1762 + * PCI-1754, PCI-1756, PCI-1761, PCI-1762 * Author: Michal Dobes <dobes@tesnet.cz> - * Updated: Mon, 09 Jan 2012 12:40:46 +0000 + * Updated: Fri, 25 Aug 2017 07:23:06 +0300 * Status: untested * * Configuration Options: not applicable, uses PCI auto config @@ -50,6 +50,11 @@ /* PCI-1752, PCI-1756 special registers */ #define PCI1752_CFC_REG 0x12 /* R/W: channel freeze function */ +/* PCI-1761 interrupt control registers */ +#define PCI1761_INT_EN_REG 0x03 /* R/W: enable/disable interrupts */ +#define PCI1761_INT_RF_REG 0x04 /* R/W: falling/rising edge */ +#define PCI1761_INT_CLR_REG 0x05 /* R/W: clear interrupts */ + /* PCI-1762 interrupt control registers */ #define PCI1762_INT_REG 0x06 /* R/W: status/control */ @@ -72,6 +77,7 @@ enum pci_dio_boardid { TYPE_PCI1753E, TYPE_PCI1754, TYPE_PCI1756, + TYPE_PCI1761, TYPE_PCI1762 }; @@ -181,6 +187,13 @@ static const struct dio_boardtype boardtypes[] = { .id_reg = 0x10, .is_16bit = 1, }, + [TYPE_PCI1761] = { + .name = "pci1761", + .nsubdevs = 3, + .sdi[1] = { 8, 0x01 }, /* ISO DI 0-7 */ + .sdo[1] = { 8, 0x00 }, /* RELAY DO 0-7 */ + .id_reg = 0x02, + }, [TYPE_PCI1762] = { .name = "pci1762", .nsubdevs = 3, @@ -309,6 +322,14 @@ static int pci_dio_reset(struct comedi_device *dev, unsigned long cardtype) outw(0x08, dev->iobase + PCI1754_INT_REG(3)); } break; + case TYPE_PCI1761: + /* disable interrupts */ + outb(0, dev->iobase + PCI1761_INT_EN_REG); + /* clear interrupts */ + outb(0xff, dev->iobase + PCI1761_INT_CLR_REG); + /* set rising edge trigger */ + outb(0, dev->iobase + PCI1761_INT_RF_REG); + break; case TYPE_PCI1762: outw(0x0101, dev->iobase + PCI1762_INT_REG); break; @@ -496,6 +517,7 @@ static const struct pci_device_id adv_pci_dio_pci_table[] = { { PCI_VDEVICE(ADVANTECH, 0x1753), TYPE_PCI1753 }, { PCI_VDEVICE(ADVANTECH, 0x1754), TYPE_PCI1754 }, { PCI_VDEVICE(ADVANTECH, 0x1756), TYPE_PCI1756 }, + { PCI_VDEVICE(ADVANTECH, 0x1761), TYPE_PCI1761 }, { PCI_VDEVICE(ADVANTECH, 0x1762), TYPE_PCI1762 }, { 0 } }; diff --git a/drivers/staging/comedi/drivers/amcc_s5933.h b/drivers/staging/comedi/drivers/amcc_s5933.h index f03e4c8c2021..f738b91b2052 100644 --- a/drivers/staging/comedi/drivers/amcc_s5933.h +++ b/drivers/staging/comedi/drivers/amcc_s5933.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Stuff for AMCC S5933 PCI Controller * diff --git a/drivers/staging/comedi/drivers/comedi_test.c b/drivers/staging/comedi/drivers/comedi_test.c index ccfd642998be..c7e8194984e5 100644 --- a/drivers/staging/comedi/drivers/comedi_test.c +++ b/drivers/staging/comedi/drivers/comedi_test.c @@ -93,6 +93,7 @@ struct waveform_private { unsigned int ai_scan_period; /* AI scan period in usec */ unsigned int ai_convert_period; /* AI conversion period in usec */ struct timer_list ao_timer; /* timer for AO commands */ + struct comedi_device *dev; /* parent comedi device */ u64 ao_last_scan_time; /* time of previous AO scan in usec */ unsigned int ao_scan_period; /* AO scan period in usec */ unsigned short ao_loopbacks[N_CHANS]; @@ -201,10 +202,10 @@ static unsigned short fake_waveform(struct comedi_device *dev, * It should run in the background; therefore it is scheduled by * a timer mechanism. */ -static void waveform_ai_timer(unsigned long arg) +static void waveform_ai_timer(struct timer_list *t) { - struct comedi_device *dev = (struct comedi_device *)arg; - struct waveform_private *devpriv = dev->private; + struct waveform_private *devpriv = from_timer(devpriv, t, ai_timer); + struct comedi_device *dev = devpriv->dev; struct comedi_subdevice *s = dev->read_subdev; struct comedi_async *async = s->async; struct comedi_cmd *cmd = &async->cmd; @@ -438,10 +439,10 @@ static int waveform_ai_insn_read(struct comedi_device *dev, * This is the background routine to handle AO commands, scheduled by * a timer mechanism. */ -static void waveform_ao_timer(unsigned long arg) +static void waveform_ao_timer(struct timer_list *t) { - struct comedi_device *dev = (struct comedi_device *)arg; - struct waveform_private *devpriv = dev->private; + struct waveform_private *devpriv = from_timer(devpriv, t, ao_timer); + struct comedi_device *dev = devpriv->dev; struct comedi_subdevice *s = dev->write_subdev; struct comedi_async *async = s->async; struct comedi_cmd *cmd = &async->cmd; @@ -686,8 +687,9 @@ static int waveform_common_attach(struct comedi_device *dev, for (i = 0; i < s->n_chan; i++) devpriv->ao_loopbacks[i] = s->maxdata / 2; - setup_timer(&devpriv->ai_timer, waveform_ai_timer, (unsigned long)dev); - setup_timer(&devpriv->ao_timer, waveform_ao_timer, (unsigned long)dev); + devpriv->dev = dev; + timer_setup(&devpriv->ai_timer, waveform_ai_timer, 0); + timer_setup(&devpriv->ao_timer, waveform_ao_timer, 0); dev_info(dev->class_dev, "%s: %u microvolt, %u microsecond waveform attached\n", diff --git a/drivers/staging/comedi/drivers/das16.c b/drivers/staging/comedi/drivers/das16.c index 5d157951f63f..ddd4aeab6365 100644 --- a/drivers/staging/comedi/drivers/das16.c +++ b/drivers/staging/comedi/drivers/das16.c @@ -440,6 +440,7 @@ static inline int timer_period(void) struct das16_private_struct { struct comedi_isadma *dma; + struct comedi_device *dev; unsigned int clockbase; unsigned int ctrl_reg; unsigned int divisor1; @@ -525,10 +526,10 @@ static void das16_interrupt(struct comedi_device *dev) comedi_handle_events(dev, s); } -static void das16_timer_interrupt(unsigned long arg) +static void das16_timer_interrupt(struct timer_list *t) { - struct comedi_device *dev = (struct comedi_device *)arg; - struct das16_private_struct *devpriv = dev->private; + struct das16_private_struct *devpriv = from_timer(devpriv, t, timer); + struct comedi_device *dev = devpriv->dev; unsigned long flags; das16_interrupt(dev); @@ -934,6 +935,8 @@ static void das16_alloc_dma(struct comedi_device *dev, unsigned int dma_chan) { struct das16_private_struct *devpriv = dev->private; + timer_setup(&devpriv->timer, das16_timer_interrupt, 0); + /* only DMA channels 3 and 1 are valid */ if (!(dma_chan == 1 || dma_chan == 3)) return; @@ -941,10 +944,6 @@ static void das16_alloc_dma(struct comedi_device *dev, unsigned int dma_chan) /* DMA uses two buffers */ devpriv->dma = comedi_isadma_alloc(dev, 2, dma_chan, dma_chan, DAS16_DMA_SIZE, COMEDI_ISADMA_READ); - if (devpriv->dma) { - setup_timer(&devpriv->timer, das16_timer_interrupt, - (unsigned long)dev); - } } static void das16_free_dma(struct comedi_device *dev) @@ -952,8 +951,7 @@ static void das16_free_dma(struct comedi_device *dev) struct das16_private_struct *devpriv = dev->private; if (devpriv) { - if (devpriv->timer.data) - del_timer_sync(&devpriv->timer); + del_timer_sync(&devpriv->timer); comedi_isadma_free(devpriv->dma); } } @@ -1046,6 +1044,7 @@ static int das16_attach(struct comedi_device *dev, struct comedi_devconfig *it) devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv)); if (!devpriv) return -ENOMEM; + devpriv->dev = dev; if (board->size < 0x400) { ret = comedi_request_region(dev, it->options[0], board->size); diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index d5295bbdd28c..217a4b884689 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -1062,6 +1062,8 @@ static void dt282x_alloc_dma(struct comedi_device *dev, PAGE_SIZE, 0); if (!devpriv->dma) free_irq(irq_num, dev); + else + dev->irq = irq_num; } static void dt282x_free_dma(struct comedi_device *dev) diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c index f1c2a20a7d4d..cbff3b41bb45 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.c +++ b/drivers/staging/comedi/drivers/jr3_pci.c @@ -96,6 +96,7 @@ struct jr3_pci_poll_delay { struct jr3_pci_dev_private { struct timer_list timer; + struct comedi_device *dev; }; union jr3_pci_single_range { @@ -585,10 +586,10 @@ jr3_pci_poll_subdevice(struct comedi_subdevice *s) return result; } -static void jr3_pci_poll_dev(unsigned long data) +static void jr3_pci_poll_dev(struct timer_list *t) { - struct comedi_device *dev = (struct comedi_device *)data; - struct jr3_pci_dev_private *devpriv = dev->private; + struct jr3_pci_dev_private *devpriv = from_timer(devpriv, t, timer); + struct comedi_device *dev = devpriv->dev; struct jr3_pci_subdev_private *spriv; struct comedi_subdevice *s; unsigned long flags; @@ -770,7 +771,8 @@ static int jr3_pci_auto_attach(struct comedi_device *dev, spriv->next_time_min = jiffies + msecs_to_jiffies(500); } - setup_timer(&devpriv->timer, jr3_pci_poll_dev, (unsigned long)dev); + devpriv->dev = dev; + timer_setup(&devpriv->timer, jr3_pci_poll_dev, 0); devpriv->timer.expires = jiffies + msecs_to_jiffies(1000); add_timer(&devpriv->timer); diff --git a/drivers/staging/comedi/drivers/jr3_pci.h b/drivers/staging/comedi/drivers/jr3_pci.h index 28ff0c2aa3b8..acd4e5456ceb 100644 --- a/drivers/staging/comedi/drivers/jr3_pci.h +++ b/drivers/staging/comedi/drivers/jr3_pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Helper types to take care of the fact that the DSP card memory * is 16 bits, but aligned on a 32 bit PCI boundary diff --git a/drivers/staging/comedi/drivers/ni_labpc_isadma.h b/drivers/staging/comedi/drivers/ni_labpc_isadma.h index e93f79050e60..f06f9353cb6c 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_isadma.h +++ b/drivers/staging/comedi/drivers/ni_labpc_isadma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ni_labpc ISA DMA support. */ diff --git a/drivers/staging/comedi/drivers/ni_labpc_regs.h b/drivers/staging/comedi/drivers/ni_labpc_regs.h index 6003e9d5fe37..ace40065a25b 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_regs.h +++ b/drivers/staging/comedi/drivers/ni_labpc_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ni_labpc register definitions. */ diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c index c80527db9c19..e226275972c0 100644 --- a/drivers/staging/comedi/drivers/s526.c +++ b/drivers/staging/comedi/drivers/s526.c @@ -408,9 +408,8 @@ static int s526_gpct_winsn(struct comedi_device *dev, */ if ((data[1] <= data[0]) || !data[0]) return -EINVAL; - - /* Fall thru to write the PULSE_WIDTH */ - + /* to write the PULSE_WIDTH */ + /* fall through */ case INSN_CONFIG_GPCT_QUADRATURE_ENCODER: case INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR: s526_gpct_write(dev, chan, data[0]); diff --git a/drivers/staging/comedi/drivers/z8536.h b/drivers/staging/comedi/drivers/z8536.h index 47eadbf4dcc0..3ef5f9e79b89 100644 --- a/drivers/staging/comedi/drivers/z8536.h +++ b/drivers/staging/comedi/drivers/z8536.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Z8536 CIO Internal registers */ diff --git a/drivers/staging/dgnc/dgnc_driver.c b/drivers/staging/dgnc/dgnc_driver.c index c1b6079384e9..d9bf5da1b8e5 100644 --- a/drivers/staging/dgnc/dgnc_driver.c +++ b/drivers/staging/dgnc/dgnc_driver.c @@ -291,7 +291,7 @@ static void dgnc_free_irq(struct dgnc_board *brd) * waiter needs to be woken up, and (b) whether the poller needs to * be rescheduled. */ -static void dgnc_poll_handler(ulong dummy) +static void dgnc_poll_handler(struct timer_list *unused) { struct dgnc_board *brd; unsigned long flags; @@ -323,7 +323,7 @@ static void dgnc_poll_handler(ulong dummy) if ((ulong)new_time >= 2 * dgnc_poll_tick) dgnc_poll_time = jiffies + dgnc_jiffies_from_ms(dgnc_poll_tick); - setup_timer(&dgnc_poll_timer, dgnc_poll_handler, 0); + timer_setup(&dgnc_poll_timer, dgnc_poll_handler, 0); dgnc_poll_timer.expires = dgnc_poll_time; spin_unlock_irqrestore(&dgnc_poll_lock, flags); @@ -392,8 +392,6 @@ static int dgnc_start(void) unsigned long flags; struct device *dev; - init_timer(&dgnc_poll_timer); - rc = register_chrdev(0, "dgnc", &dgnc_board_fops); if (rc < 0) { pr_err(DRVSTR ": Can't register dgnc driver device (%d)\n", rc); @@ -419,7 +417,7 @@ static int dgnc_start(void) /* Start the poller */ spin_lock_irqsave(&dgnc_poll_lock, flags); - setup_timer(&dgnc_poll_timer, dgnc_poll_handler, 0); + timer_setup(&dgnc_poll_timer, dgnc_poll_handler, 0); dgnc_poll_time = jiffies + dgnc_jiffies_from_ms(dgnc_poll_tick); dgnc_poll_timer.expires = dgnc_poll_time; spin_unlock_irqrestore(&dgnc_poll_lock, flags); diff --git a/drivers/staging/dgnc/dgnc_driver.h b/drivers/staging/dgnc/dgnc_driver.h index 764d6fe0d030..efdb11a5e27f 100644 --- a/drivers/staging/dgnc/dgnc_driver.h +++ b/drivers/staging/dgnc/dgnc_driver.h @@ -104,7 +104,6 @@ struct board_ops { * struct dgnc_board - Per board information. * @boardnum: Board number (0 - 32). * - * @type: Type of board. * @name: Product name. * @pdev: Pointer to the pci_dev structure. * @bd_flags: Board flags. @@ -140,13 +139,9 @@ struct board_ops { * @dpastatus: Board status as defined by DPA. * @bd_dividend: Board/UART's specific dividend. * @bd_ops: Pointer to board operations structure. - * @proc_entry_pointer: Proc/<board> entry - * @dgnc_board_table: Proc/<board> entry */ struct dgnc_board { int boardnum; - - int type; char *name; struct pci_dev *pdev; unsigned long bd_flags; @@ -200,10 +195,6 @@ struct dgnc_board { uint bd_dividend; struct board_ops *bd_ops; - - struct proc_dir_entry *proc_entry_pointer; - struct dgnc_proc_entry *dgnc_board_table; - }; /* Unit flag definitions for un_flags. */ @@ -233,7 +224,6 @@ struct device; */ struct un_t { struct channel_t *un_ch; - ulong un_time; uint un_type; uint un_open_count; struct tty_struct *un_tty; @@ -321,8 +311,6 @@ struct un_t { * @ch_err_overrun: Count of overruns on channel. * @ch_xon_sends: Count of xons transmitted. * @ch_xoff_sends: Count of xoffs transmitted. - * @proc_entry_pointer: Proc/<board>/<channel> entry. - * @dgnc_channel_table: Proc/<board>/<channel> entry. */ struct channel_t { struct dgnc_board *ch_bd; @@ -391,10 +379,6 @@ struct channel_t { ulong ch_xon_sends; ulong ch_xoff_sends; - - struct proc_dir_entry *proc_entry_pointer; - struct dgnc_proc_entry *dgnc_channel_table; - }; extern uint dgnc_major; /* Our driver/mgmt major */ diff --git a/drivers/staging/dgnc/dgnc_neo.c b/drivers/staging/dgnc/dgnc_neo.c index 1943e66fec57..0ae229c3aaaa 100644 --- a/drivers/staging/dgnc/dgnc_neo.c +++ b/drivers/staging/dgnc/dgnc_neo.c @@ -1182,7 +1182,6 @@ static int neo_drain(struct tty_struct *tty, uint seconds) unsigned long flags; struct channel_t *ch; struct un_t *un; - int rc = 0; if (!tty) return -ENXIO; @@ -1199,12 +1198,10 @@ static int neo_drain(struct tty_struct *tty, uint seconds) un->un_flags |= UN_EMPTY; spin_unlock_irqrestore(&ch->ch_lock, flags); - rc = wait_event_interruptible_timeout(un->un_flags_wait, - ((un->un_flags & UN_EMPTY) == 0), - msecs_to_jiffies(seconds * 1000)); - - /* If ret is non-zero, user ctrl-c'ed us */ - return rc; + /* If returned value is non-zero, user ctrl-c'ed us */ + return wait_event_interruptible_timeout(un->un_flags_wait, + ((un->un_flags & UN_EMPTY) == 0), + msecs_to_jiffies(seconds * 1000)); } /* diff --git a/drivers/staging/dgnc/dgnc_utils.c b/drivers/staging/dgnc/dgnc_utils.c index e07ff8d2f972..620f5741a1ed 100644 --- a/drivers/staging/dgnc/dgnc_utils.c +++ b/drivers/staging/dgnc/dgnc_utils.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/tty.h> #include <linux/sched/signal.h> #include "dgnc_utils.h" diff --git a/drivers/staging/dgnc/dgnc_utils.h b/drivers/staging/dgnc/dgnc_utils.h index d1f07a5735c6..b30527f0889d 100644 --- a/drivers/staging/dgnc/dgnc_utils.h +++ b/drivers/staging/dgnc/dgnc_utils.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _DGNC_UTILS_H #define _DGNC_UTILS_H diff --git a/drivers/staging/fbtft/Makefile b/drivers/staging/fbtft/Makefile index 05ae9fbf906e..6bc03311c9c7 100644 --- a/drivers/staging/fbtft/Makefile +++ b/drivers/staging/fbtft/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Core module obj-$(CONFIG_FB_TFT) += fbtft.o fbtft-y += fbtft-core.o fbtft-sysfs.o fbtft-bus.o fbtft-io.o diff --git a/drivers/staging/fbtft/fb_ra8875.c b/drivers/staging/fbtft/fb_ra8875.c index a899614ce829..6d1cad85957b 100644 --- a/drivers/staging/fbtft/fb_ra8875.c +++ b/drivers/staging/fbtft/fb_ra8875.c @@ -253,7 +253,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...) static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len) { u16 *vmem16; - __be16 *txbuf16 = par->txbuf.buf; + __be16 *txbuf16; size_t remain; size_t to_copy; size_t tx_array_size; @@ -267,10 +267,10 @@ static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len) remain = len / 2; vmem16 = (u16 *)(par->info->screen_buffer + offset); tx_array_size = par->txbuf.len / 2; - txbuf16 = par->txbuf.buf + 1; - tx_array_size -= 2; - *(u8 *)(par->txbuf.buf) = 0x00; - startbyte_size = 1; + txbuf16 = par->txbuf.buf + 1; + tx_array_size -= 2; + *(u8 *)(par->txbuf.buf) = 0x00; + startbyte_size = 1; while (remain) { to_copy = min(tx_array_size, remain); diff --git a/drivers/staging/fbtft/fb_ssd1331.c b/drivers/staging/fbtft/fb_ssd1331.c index 9aa9864fcf30..e4a759b54ba0 100644 --- a/drivers/staging/fbtft/fb_ssd1331.c +++ b/drivers/staging/fbtft/fb_ssd1331.c @@ -26,7 +26,13 @@ static int init_display(struct fbtft_par *par) par->fbtftops.reset(par); write_reg(par, 0xae); /* Display Off */ - write_reg(par, 0xa0, 0x70 | (par->bgr << 2)); /* Set Colour Depth */ + + /* Set Column Address Mapping, COM Scan Direction and Colour Depth */ + if (par->info->var.rotate == 180) + write_reg(par, 0xa0, 0x60 | (par->bgr << 2)); + else + write_reg(par, 0xa0, 0x72 | (par->bgr << 2)); + write_reg(par, 0x72); /* RGB colour */ write_reg(par, 0xa1, 0x00); /* Set Display Start Line */ write_reg(par, 0xa2, 0x00); /* Set Display Offset */ diff --git a/drivers/staging/fbtft/fb_uc1611.c b/drivers/staging/fbtft/fb_uc1611.c index 48e3b3fd9fed..8eb5e7f10fb5 100644 --- a/drivers/staging/fbtft/fb_uc1611.c +++ b/drivers/staging/fbtft/fb_uc1611.c @@ -225,7 +225,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) u8 *buf8 = par->txbuf.buf; u16 *buf16 = par->txbuf.buf; int line_length = par->info->fix.line_length; - int y_start = (offset / line_length); + int y_start = offset / line_length; int y_end = (offset + len - 1) / line_length; int x, y, i; int ret = 0; diff --git a/drivers/staging/fbtft/fb_uc1701.c b/drivers/staging/fbtft/fb_uc1701.c index b78045fe5393..78899a172c7e 100644 --- a/drivers/staging/fbtft/fb_uc1701.c +++ b/drivers/staging/fbtft/fb_uc1701.c @@ -127,7 +127,7 @@ static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) { u16 *vmem16 = (u16 *)par->info->screen_buffer; - u8 *buf = par->txbuf.buf; + u8 *buf; int x, y, i; int ret = 0; diff --git a/drivers/staging/fbtft/fbtft-bus.c b/drivers/staging/fbtft/fbtft-bus.c index a80b5d115ff8..a263bce260c9 100644 --- a/drivers/staging/fbtft/fbtft-bus.c +++ b/drivers/staging/fbtft/fbtft-bus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/errno.h> #include <linux/gpio.h> @@ -10,33 +11,33 @@ * *****************************************************************************/ -#define define_fbtft_write_reg(func, type, modifier) \ +#define define_fbtft_write_reg(func, buffer_type, data_type, modifier) \ void func(struct fbtft_par *par, int len, ...) \ { \ va_list args; \ int i, ret; \ int offset = 0; \ - type *buf = (type *)par->buf; \ + buffer_type *buf = (buffer_type *)par->buf; \ \ if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) { \ va_start(args, len); \ for (i = 0; i < len; i++) { \ - buf[i] = (type)va_arg(args, unsigned int); \ + buf[i] = modifier((data_type)va_arg(args, unsigned int)); \ } \ va_end(args); \ - fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, par->info->device, type, buf, len, "%s: ", __func__); \ + fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, par->info->device, buffer_type, buf, len, "%s: ", __func__); \ } \ \ va_start(args, len); \ \ if (par->startbyte) { \ *(u8 *)par->buf = par->startbyte; \ - buf = (type *)(par->buf + 1); \ + buf = (buffer_type *)(par->buf + 1); \ offset = 1; \ } \ \ - *buf = modifier((type)va_arg(args, unsigned int)); \ - ret = fbtft_write_buf_dc(par, par->buf, sizeof(type) + offset, 0); \ + *buf = modifier((data_type)va_arg(args, unsigned int)); \ + ret = fbtft_write_buf_dc(par, par->buf, sizeof(data_type) + offset, 0); \ if (ret < 0) \ goto out; \ len--; \ @@ -47,18 +48,18 @@ void func(struct fbtft_par *par, int len, ...) \ if (len) { \ i = len; \ while (i--) \ - *buf++ = modifier((type)va_arg(args, unsigned int)); \ + *buf++ = modifier((data_type)va_arg(args, unsigned int)); \ fbtft_write_buf_dc(par, par->buf, \ - len * (sizeof(type) + offset), 1); \ + len * (sizeof(data_type) + offset), 1); \ } \ out: \ va_end(args); \ } \ EXPORT_SYMBOL(func); -define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, ) -define_fbtft_write_reg(fbtft_write_reg16_bus8, u16, cpu_to_be16) -define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, ) +define_fbtft_write_reg(fbtft_write_reg8_bus8, u8, u8, ) +define_fbtft_write_reg(fbtft_write_reg16_bus8, __be16, u16, cpu_to_be16) +define_fbtft_write_reg(fbtft_write_reg16_bus16, u16, u16, ) void fbtft_write_reg8_bus9(struct fbtft_par *par, int len, ...) { diff --git a/drivers/staging/fbtft/fbtft-io.c b/drivers/staging/fbtft/fbtft-io.c index ffb9a3b4d454..f4a591919f62 100644 --- a/drivers/staging/fbtft/fbtft-io.c +++ b/drivers/staging/fbtft/fbtft-io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/errno.h> #include <linux/gpio.h> diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c index 5bfd67b526b5..712096659aa0 100644 --- a/drivers/staging/fbtft/fbtft-sysfs.c +++ b/drivers/staging/fbtft/fbtft-sysfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "fbtft.h" #include "internal.h" diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c index 26017fe9df93..0d8ed002adcb 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c @@ -104,9 +104,11 @@ static void free_rx_fd(struct dpaa2_eth_priv *priv, /* We don't support any other format */ return; - /* For S/G frames, we first need to free all SG entries */ + /* For S/G frames, we first need to free all SG entries + * except the first one, which was taken care of already + */ sgt = vaddr + dpaa2_fd_get_offset(fd); - for (i = 0; i < DPAA2_ETH_MAX_SG_ENTRIES; i++) { + for (i = 1; i < DPAA2_ETH_MAX_SG_ENTRIES; i++) { addr = dpaa2_sg_get_addr(&sgt[i]); sg_vaddr = dpaa2_iova_to_virt(priv->iommu_domain, addr); dma_unmap_single(dev, addr, DPAA2_ETH_RX_BUF_SIZE, @@ -131,16 +133,15 @@ static struct sk_buff *build_linear_skb(struct dpaa2_eth_priv *priv, u16 fd_offset = dpaa2_fd_get_offset(fd); u32 fd_length = dpaa2_fd_get_len(fd); - skb = build_skb(fd_vaddr, DPAA2_ETH_RX_BUF_SIZE + - SKB_DATA_ALIGN(sizeof(struct skb_shared_info))); + ch->buf_count--; + + skb = build_skb(fd_vaddr, DPAA2_ETH_SKB_SIZE); if (unlikely(!skb)) return NULL; skb_reserve(skb, fd_offset); skb_put(skb, fd_length); - ch->buf_count--; - return skb; } @@ -176,10 +177,21 @@ static struct sk_buff *build_frag_skb(struct dpaa2_eth_priv *priv, if (i == 0) { /* We build the skb around the first data buffer */ - skb = build_skb(sg_vaddr, DPAA2_ETH_RX_BUF_SIZE + - SKB_DATA_ALIGN(sizeof(struct skb_shared_info))); - if (unlikely(!skb)) - return NULL; + skb = build_skb(sg_vaddr, DPAA2_ETH_SKB_SIZE); + if (unlikely(!skb)) { + /* Free the first SG entry now, since we already + * unmapped it and obtained the virtual address + */ + skb_free_frag(sg_vaddr); + + /* We still need to subtract the buffers used + * by this FD from our software counter + */ + while (!dpaa2_sg_is_final(&sgt[i]) && + i < DPAA2_ETH_MAX_SG_ENTRIES) + i++; + break; + } sg_offset = dpaa2_sg_get_offset(sge); skb_reserve(skb, sg_offset); @@ -206,6 +218,8 @@ static struct sk_buff *build_frag_skb(struct dpaa2_eth_priv *priv, break; } + WARN_ONCE(i == DPAA2_ETH_MAX_SG_ENTRIES, "Final bit not set in SGT"); + /* Count all data buffers + SG table buffer */ ch->buf_count -= i + 2; @@ -557,10 +571,10 @@ static netdev_tx_t dpaa2_eth_tx(struct sk_buff *skb, struct net_device *net_dev) percpu_stats = this_cpu_ptr(priv->percpu_stats); percpu_extras = this_cpu_ptr(priv->percpu_extras); - if (unlikely(skb_headroom(skb) < DPAA2_ETH_NEEDED_HEADROOM(priv))) { + if (unlikely(skb_headroom(skb) < dpaa2_eth_needed_headroom(priv))) { struct sk_buff *ns; - ns = skb_realloc_headroom(skb, DPAA2_ETH_NEEDED_HEADROOM(priv)); + ns = skb_realloc_headroom(skb, dpaa2_eth_needed_headroom(priv)); if (unlikely(!ns)) { percpu_stats->tx_dropped++; goto err_alloc_headroom; @@ -718,6 +732,23 @@ static int set_tx_csum(struct dpaa2_eth_priv *priv, bool enable) return 0; } +/* Free buffers acquired from the buffer pool or which were meant to + * be released in the pool + */ +static void free_bufs(struct dpaa2_eth_priv *priv, u64 *buf_array, int count) +{ + struct device *dev = priv->net_dev->dev.parent; + void *vaddr; + int i; + + for (i = 0; i < count; i++) { + vaddr = dpaa2_iova_to_virt(priv->iommu_domain, buf_array[i]); + dma_unmap_single(dev, buf_array[i], DPAA2_ETH_RX_BUF_SIZE, + DMA_BIDIRECTIONAL); + skb_free_frag(vaddr); + } +} + /* Perform a single release command to add buffers * to the specified buffer pool */ @@ -727,17 +758,17 @@ static int add_bufs(struct dpaa2_eth_priv *priv, u16 bpid) u64 buf_array[DPAA2_ETH_BUFS_PER_CMD]; void *buf; dma_addr_t addr; - int i; + int i, err; for (i = 0; i < DPAA2_ETH_BUFS_PER_CMD; i++) { /* Allocate buffer visible to WRIOP + skb shared info + * alignment padding */ - buf = napi_alloc_frag(DPAA2_ETH_BUF_RAW_SIZE); + buf = napi_alloc_frag(dpaa2_eth_buf_raw_size(priv)); if (unlikely(!buf)) goto err_alloc; - buf = PTR_ALIGN(buf, DPAA2_ETH_RX_BUF_ALIGN); + buf = PTR_ALIGN(buf, priv->rx_buf_align); addr = dma_map_single(dev, buf, DPAA2_ETH_RX_BUF_SIZE, DMA_FROM_DEVICE); @@ -748,28 +779,33 @@ static int add_bufs(struct dpaa2_eth_priv *priv, u16 bpid) /* tracing point */ trace_dpaa2_eth_buf_seed(priv->net_dev, - buf, DPAA2_ETH_BUF_RAW_SIZE, + buf, dpaa2_eth_buf_raw_size(priv), addr, DPAA2_ETH_RX_BUF_SIZE, bpid); } release_bufs: - /* In case the portal is busy, retry until successful. - * The buffer release function would only fail if the QBMan portal - * was busy, which implies portal contention (i.e. more CPUs than - * portals, i.e. GPPs w/o affine DPIOs). For all practical purposes, - * there is little we can realistically do, short of giving up - - * in which case we'd risk depleting the buffer pool and never again - * receiving the Rx interrupt which would kick-start the refill logic. - * So just keep retrying, at the risk of being moved to ksoftirqd. - */ - while (dpaa2_io_service_release(NULL, bpid, buf_array, i)) + /* In case the portal is busy, retry until successful */ + while ((err = dpaa2_io_service_release(NULL, bpid, + buf_array, i)) == -EBUSY) cpu_relax(); + + /* If release command failed, clean up and bail out; + * not much else we can do about it + */ + if (err) { + free_bufs(priv, buf_array, i); + return 0; + } + return i; err_map: skb_free_frag(buf); err_alloc: + /* If we managed to allocate at least some buffers, + * release them to hardware + */ if (i) goto release_bufs; @@ -811,10 +847,8 @@ static int seed_pool(struct dpaa2_eth_priv *priv, u16 bpid) */ static void drain_bufs(struct dpaa2_eth_priv *priv, int count) { - struct device *dev = priv->net_dev->dev.parent; u64 buf_array[DPAA2_ETH_BUFS_PER_CMD]; - void *vaddr; - int ret, i; + int ret; do { ret = dpaa2_io_service_acquire(NULL, priv->bpid, @@ -823,15 +857,7 @@ static void drain_bufs(struct dpaa2_eth_priv *priv, int count) netdev_err(priv->net_dev, "dpaa2_io_service_acquire() failed\n"); return; } - for (i = 0; i < ret; i++) { - /* Same logic as on regular Rx path */ - vaddr = dpaa2_iova_to_virt(priv->iommu_domain, - buf_array[i]); - dma_unmap_single(dev, buf_array[i], - DPAA2_ETH_RX_BUF_SIZE, - DMA_FROM_DEVICE); - skb_free_frag(vaddr); - } + free_bufs(priv, buf_array, ret); } while (ret); } @@ -927,13 +953,14 @@ static int dpaa2_eth_poll(struct napi_struct *napi, int budget) break; } - if (cleaned < budget) { - napi_complete_done(napi, cleaned); + if (cleaned < budget && napi_complete_done(napi, cleaned)) { /* Re-enable data available notifications */ do { err = dpaa2_io_service_rearm(NULL, &ch->nctx); cpu_relax(); } while (err == -EBUSY); + WARN_ONCE(err, "CDAN notifications rearm failed on core %d", + ch->nctx.desired_cpu); } ch->stats.frames += cleaned; @@ -1415,34 +1442,32 @@ static struct fsl_mc_device *setup_dpcon(struct dpaa2_eth_priv *priv) err = dpcon_open(priv->mc_io, 0, dpcon->obj_desc.id, &dpcon->mc_handle); if (err) { dev_err(dev, "dpcon_open() failed\n"); - goto err_open; + goto free; } err = dpcon_reset(priv->mc_io, 0, dpcon->mc_handle); if (err) { dev_err(dev, "dpcon_reset() failed\n"); - goto err_reset; + goto close; } err = dpcon_get_attributes(priv->mc_io, 0, dpcon->mc_handle, &attrs); if (err) { dev_err(dev, "dpcon_get_attributes() failed\n"); - goto err_get_attr; + goto close; } err = dpcon_enable(priv->mc_io, 0, dpcon->mc_handle); if (err) { dev_err(dev, "dpcon_enable() failed\n"); - goto err_enable; + goto close; } return dpcon; -err_enable: -err_get_attr: -err_reset: +close: dpcon_close(priv->mc_io, 0, dpcon->mc_handle); -err_open: +free: fsl_mc_object_free(dpcon); return NULL; @@ -1749,66 +1774,32 @@ static void free_dpbp(struct dpaa2_eth_priv *priv) fsl_mc_object_free(priv->dpbp_dev); } -/* Configure the DPNI object this interface is associated with */ -static int setup_dpni(struct fsl_mc_device *ls_dev) +static int set_buffer_layout(struct dpaa2_eth_priv *priv) { - struct device *dev = &ls_dev->dev; - struct dpaa2_eth_priv *priv; - struct net_device *net_dev; + struct device *dev = priv->net_dev->dev.parent; struct dpni_buffer_layout buf_layout = {0}; int err; - net_dev = dev_get_drvdata(dev); - priv = netdev_priv(net_dev); - - /* get a handle for the DPNI object */ - err = dpni_open(priv->mc_io, 0, ls_dev->obj_desc.id, &priv->mc_token); - if (err) { - dev_err(dev, "dpni_open() failed\n"); - goto err_open; - } - - ls_dev->mc_io = priv->mc_io; - ls_dev->mc_handle = priv->mc_token; - - err = dpni_reset(priv->mc_io, 0, priv->mc_token); - if (err) { - dev_err(dev, "dpni_reset() failed\n"); - goto err_reset; - } - - err = dpni_get_attributes(priv->mc_io, 0, priv->mc_token, - &priv->dpni_attrs); - if (err) { - dev_err(dev, "dpni_get_attributes() failed (err=%d)\n", err); - goto err_get_attr; - } + /* We need to check for WRIOP version 1.0.0, but depending on the MC + * version, this number is not always provided correctly on rev1. + * We need to check for both alternatives in this situation. + */ + if (priv->dpni_attrs.wriop_version == DPAA2_WRIOP_VERSION(0, 0, 0) || + priv->dpni_attrs.wriop_version == DPAA2_WRIOP_VERSION(1, 0, 0)) + priv->rx_buf_align = DPAA2_ETH_RX_BUF_ALIGN_REV1; + else + priv->rx_buf_align = DPAA2_ETH_RX_BUF_ALIGN; - /* Configure buffer layouts */ - /* rx buffer */ - buf_layout.pass_parser_result = true; + /* tx buffer */ buf_layout.pass_frame_status = true; buf_layout.private_data_size = DPAA2_ETH_SWA_SIZE; - buf_layout.data_align = DPAA2_ETH_RX_BUF_ALIGN; - buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT | - DPNI_BUF_LAYOUT_OPT_FRAME_STATUS | - DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE | - DPNI_BUF_LAYOUT_OPT_DATA_ALIGN; - err = dpni_set_buffer_layout(priv->mc_io, 0, priv->mc_token, - DPNI_QUEUE_RX, &buf_layout); - if (err) { - dev_err(dev, "dpni_set_buffer_layout(RX) failed\n"); - goto err_buf_layout; - } - - /* tx buffer */ buf_layout.options = DPNI_BUF_LAYOUT_OPT_FRAME_STATUS | DPNI_BUF_LAYOUT_OPT_PRIVATE_DATA_SIZE; err = dpni_set_buffer_layout(priv->mc_io, 0, priv->mc_token, DPNI_QUEUE_TX, &buf_layout); if (err) { dev_err(dev, "dpni_set_buffer_layout(TX) failed\n"); - goto err_buf_layout; + return err; } /* tx-confirm buffer */ @@ -1817,7 +1808,7 @@ static int setup_dpni(struct fsl_mc_device *ls_dev) DPNI_QUEUE_TX_CONFIRM, &buf_layout); if (err) { dev_err(dev, "dpni_set_buffer_layout(TX_CONF) failed\n"); - goto err_buf_layout; + return err; } /* Now that we've set our tx buffer layout, retrieve the minimum @@ -1827,24 +1818,76 @@ static int setup_dpni(struct fsl_mc_device *ls_dev) &priv->tx_data_offset); if (err) { dev_err(dev, "dpni_get_tx_data_offset() failed\n"); - goto err_data_offset; + return err; } if ((priv->tx_data_offset % 64) != 0) dev_warn(dev, "Tx data offset (%d) not a multiple of 64B\n", priv->tx_data_offset); - /* Accommodate software annotation space (SWA) */ - priv->tx_data_offset += DPAA2_ETH_SWA_SIZE; + /* rx buffer */ + buf_layout.pass_parser_result = true; + buf_layout.data_align = priv->rx_buf_align; + buf_layout.data_head_room = dpaa2_eth_rx_head_room(priv); + buf_layout.private_data_size = 0; + buf_layout.options = DPNI_BUF_LAYOUT_OPT_PARSER_RESULT | + DPNI_BUF_LAYOUT_OPT_FRAME_STATUS | + DPNI_BUF_LAYOUT_OPT_DATA_ALIGN | + DPNI_BUF_LAYOUT_OPT_DATA_HEAD_ROOM; + err = dpni_set_buffer_layout(priv->mc_io, 0, priv->mc_token, + DPNI_QUEUE_RX, &buf_layout); + if (err) { + dev_err(dev, "dpni_set_buffer_layout(RX) failed\n"); + return err; + } return 0; +} -err_data_offset: -err_buf_layout: -err_get_attr: -err_reset: +/* Configure the DPNI object this interface is associated with */ +static int setup_dpni(struct fsl_mc_device *ls_dev) +{ + struct device *dev = &ls_dev->dev; + struct dpaa2_eth_priv *priv; + struct net_device *net_dev; + int err; + + net_dev = dev_get_drvdata(dev); + priv = netdev_priv(net_dev); + + /* get a handle for the DPNI object */ + err = dpni_open(priv->mc_io, 0, ls_dev->obj_desc.id, &priv->mc_token); + if (err) { + dev_err(dev, "dpni_open() failed\n"); + return err; + } + + ls_dev->mc_io = priv->mc_io; + ls_dev->mc_handle = priv->mc_token; + + err = dpni_reset(priv->mc_io, 0, priv->mc_token); + if (err) { + dev_err(dev, "dpni_reset() failed\n"); + goto close; + } + + err = dpni_get_attributes(priv->mc_io, 0, priv->mc_token, + &priv->dpni_attrs); + if (err) { + dev_err(dev, "dpni_get_attributes() failed (err=%d)\n", err); + goto close; + } + + err = set_buffer_layout(priv); + if (err) + goto close; + + + return 0; + +close: dpni_close(priv->mc_io, 0, priv->mc_token); -err_open: + return err; } @@ -2085,7 +2128,7 @@ static int bind_dpni(struct dpaa2_eth_priv *priv) */ err = dpaa2_eth_set_hash(net_dev, DPAA2_RXH_SUPPORTED); if (err) - netdev_err(net_dev, "Failed to configure hashing\n"); + dev_err(dev, "Failed to configure hashing\n"); /* Configure handling of error frames */ err_cfg.errors = DPAA2_FAS_RX_ERR_MASK; @@ -2230,6 +2273,7 @@ static int netdev_init(struct net_device *net_dev) { struct device *dev = net_dev->dev.parent; struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + u16 rx_headroom, req_headroom; u8 bcast_addr[ETH_ALEN]; u8 num_queues; int err; @@ -2251,7 +2295,20 @@ static int netdev_init(struct net_device *net_dev) /* Reserve enough space to align buffer as per hardware requirement; * NOTE: priv->tx_data_offset MUST be initialized at this point. */ - net_dev->needed_headroom = DPAA2_ETH_NEEDED_HEADROOM(priv); + net_dev->needed_headroom = dpaa2_eth_needed_headroom(priv); + + /* If headroom guaranteed by hardware in the Rx frame buffer is + * smaller than the Tx headroom required by the stack, issue a + * one time warning. This will most likely mean skbs forwarded to + * another DPAA2 network interface will get reallocated, with a + * significant performance impact. + */ + req_headroom = LL_RESERVED_SPACE(net_dev) - ETH_HLEN; + rx_headroom = ALIGN(DPAA2_ETH_RX_HWA_SIZE + + dpaa2_eth_rx_head_room(priv), priv->rx_buf_align); + if (req_headroom > rx_headroom) + dev_info_once(dev, "Required headroom (%d) greater than available (%d)\n", + req_headroom, rx_headroom); /* Set MTU limits */ net_dev->min_mtu = 68; @@ -2303,7 +2360,7 @@ static irqreturn_t dpni_irq0_handler(int irq_num, void *arg) static irqreturn_t dpni_irq0_handler_thread(int irq_num, void *arg) { - u32 status = 0, clear = 0; + u32 status = ~0; struct device *dev = (struct device *)arg; struct fsl_mc_device *dpni_dev = to_fsl_mc_device(dev); struct net_device *net_dev = dev_get_drvdata(dev); @@ -2313,18 +2370,12 @@ static irqreturn_t dpni_irq0_handler_thread(int irq_num, void *arg) DPNI_IRQ_INDEX, &status); if (unlikely(err)) { netdev_err(net_dev, "Can't get irq status (err %d)\n", err); - clear = 0xffffffff; - goto out; + return IRQ_HANDLED; } - if (status & DPNI_IRQ_EVENT_LINK_CHANGED) { - clear |= DPNI_IRQ_EVENT_LINK_CHANGED; + if (status & DPNI_IRQ_EVENT_LINK_CHANGED) link_state_update(netdev_priv(net_dev)); - } -out: - dpni_clear_irq_status(dpni_dev->mc_io, 0, dpni_dev->mc_handle, - DPNI_IRQ_INDEX, clear); return IRQ_HANDLED; } diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h index bfbabae1aad8..5b3ab9f62d5e 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h @@ -45,6 +45,8 @@ #include "dpaa2-eth-trace.h" +#define DPAA2_WRIOP_VERSION(x, y, z) ((x) << 10 | (y) << 5 | (z) << 0) + #define DPAA2_ETH_STORE_SIZE 16 /* Maximum number of scatter-gather entries in an ingress frame, @@ -80,23 +82,21 @@ */ #define DPAA2_ETH_BUFS_PER_CMD 7 -/* Hardware requires alignment for ingress/egress buffer addresses - * and ingress buffer lengths. - */ -#define DPAA2_ETH_RX_BUF_SIZE 2048 +/* Hardware requires alignment for ingress/egress buffer addresses */ #define DPAA2_ETH_TX_BUF_ALIGN 64 -#define DPAA2_ETH_RX_BUF_ALIGN 256 -#define DPAA2_ETH_NEEDED_HEADROOM(p_priv) \ - ((p_priv)->tx_data_offset + DPAA2_ETH_TX_BUF_ALIGN) -/* Hardware only sees DPAA2_ETH_RX_BUF_SIZE, but we need to allocate ingress - * buffers large enough to allow building an skb around them and also account - * for alignment restrictions +#define DPAA2_ETH_RX_BUF_SIZE 2048 +#define DPAA2_ETH_SKB_SIZE \ + (DPAA2_ETH_RX_BUF_SIZE + SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) + +/* Hardware annotation area in RX buffers */ +#define DPAA2_ETH_RX_HWA_SIZE 64 + +/* Due to a limitation in WRIOP 1.0.0, the RX buffer data must be aligned + * to 256B. For newer revisions, the requirement is only for 64B alignment */ -#define DPAA2_ETH_BUF_RAW_SIZE \ - (DPAA2_ETH_RX_BUF_SIZE + \ - SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + \ - DPAA2_ETH_RX_BUF_ALIGN) +#define DPAA2_ETH_RX_BUF_ALIGN_REV1 256 +#define DPAA2_ETH_RX_BUF_ALIGN 64 /* We are accommodating a skb backpointer and some S/G info * in the frame's software annotation. The hardware @@ -134,7 +134,7 @@ struct dpaa2_eth_swa { DPAA2_FD_CTRL_FAERR) /* Annotation bits in FD CTRL */ -#define DPAA2_FD_CTRL_ASAL 0x00020000 /* ASAL = 128 */ +#define DPAA2_FD_CTRL_ASAL 0x00010000 /* ASAL = 64 */ #define DPAA2_FD_CTRL_PTA 0x00800000 #define DPAA2_FD_CTRL_PTV1 0x00400000 @@ -318,6 +318,7 @@ struct dpaa2_eth_priv { struct iommu_domain *iommu_domain; u16 tx_qdid; + u16 rx_buf_align; struct fsl_mc_io *mc_io; /* Cores which have an affine DPIO/DPCON. * This is the cpu set on which Rx and Tx conf frames are processed @@ -353,6 +354,29 @@ struct dpaa2_eth_priv { extern const struct ethtool_ops dpaa2_ethtool_ops; extern const char dpaa2_eth_drv_version[]; +/* Hardware only sees DPAA2_ETH_RX_BUF_SIZE, but the skb built around + * the buffer also needs space for its shared info struct, and we need + * to allocate enough to accommodate hardware alignment restrictions + */ +static inline unsigned int dpaa2_eth_buf_raw_size(struct dpaa2_eth_priv *priv) +{ + return DPAA2_ETH_SKB_SIZE + priv->rx_buf_align; +} + +static inline +unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv) +{ + return priv->tx_data_offset + DPAA2_ETH_TX_BUF_ALIGN - HH_DATA_MOD; +} + +/* Extra headroom space requested to hardware, in order to make sure there's + * no realloc'ing in forwarding scenarios + */ +static inline unsigned int dpaa2_eth_rx_head_room(struct dpaa2_eth_priv *priv) +{ + return dpaa2_eth_needed_headroom(priv) - DPAA2_ETH_RX_HWA_SIZE; +} + static int dpaa2_eth_queue_count(struct dpaa2_eth_priv *priv) { return priv->dpni_attrs.num_queues; diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c index 031179ab3a22..ebe8fd6ccf2c 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c @@ -76,10 +76,22 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = { static void dpaa2_eth_get_drvinfo(struct net_device *net_dev, struct ethtool_drvinfo *drvinfo) { + struct dpaa2_eth_priv *priv = netdev_priv(net_dev); + u16 fw_major, fw_minor; + int err; + strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); strlcpy(drvinfo->version, dpaa2_eth_drv_version, sizeof(drvinfo->version)); - strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); + + err = dpni_get_api_version(priv->mc_io, 0, &fw_major, &fw_minor); + if (!err) + snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), + "%u.%u", fw_major, fw_minor); + else + strlcpy(drvinfo->fw_version, "N/A", + sizeof(drvinfo->fw_version)); + strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent), sizeof(drvinfo->bus_info)); } diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h b/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h index 57df22292233..3120e22496d0 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h @@ -538,4 +538,9 @@ struct dpni_rsp_get_taildrop { __le32 threshold; }; +struct dpni_rsp_get_api_version { + u16 major; + u16 minor; +}; + #endif /* _FSL_DPNI_CMD_H */ diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni.c b/drivers/staging/fsl-dpaa2/ethernet/dpni.c index 04a5b14bc1c5..e8be76181c36 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpni.c +++ b/drivers/staging/fsl-dpaa2/ethernet/dpni.c @@ -1594,3 +1594,35 @@ int dpni_get_taildrop(struct fsl_mc_io *mc_io, return 0; } + +/** + * dpni_get_api_version() - Get Data Path Network Interface API version + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @major_ver: Major version of data path network interface API + * @minor_ver: Minor version of data path network interface API + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver) +{ + struct dpni_rsp_get_api_version *rsp_params; + struct mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION, + cmd_flags, 0); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpni_rsp_get_api_version *)cmd.params; + *major_ver = le16_to_cpu(rsp_params->major); + *minor_ver = le16_to_cpu(rsp_params->minor); + + return 0; +} diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni.h b/drivers/staging/fsl-dpaa2/ethernet/dpni.h index 282e5e85ffa7..ce86a816af45 100644 --- a/drivers/staging/fsl-dpaa2/ethernet/dpni.h +++ b/drivers/staging/fsl-dpaa2/ethernet/dpni.h @@ -829,4 +829,9 @@ struct dpni_rule_cfg { u8 key_size; }; +int dpni_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver); + #endif /* __FSL_DPNI_H */ diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c index f8096828f5b7..a609ec82daf3 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c +++ b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c @@ -76,7 +76,7 @@ static inline struct dpaa2_io *service_select_by_cpu(struct dpaa2_io *d, if (d) return d; - if (unlikely(cpu >= num_possible_cpus())) + if (cpu != DPAA2_IO_ANY_CPU && cpu >= num_possible_cpus()) return NULL; /* @@ -121,7 +121,7 @@ struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc) return NULL; /* check if CPU is out of range (-1 means any cpu) */ - if (desc->cpu >= num_possible_cpus()) { + if (desc->cpu != DPAA2_IO_ANY_CPU && desc->cpu >= num_possible_cpus()) { kfree(obj); return NULL; } diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c index 038da4d1ebd0..f74a6f1764bb 100644 --- a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c @@ -137,7 +137,7 @@ static void fsl_mc_msi_update_chip_ops(struct msi_domain_info *info) { struct irq_chip *chip = info->chip; - if (WARN_ON((!chip))) + if (WARN_ON(!chip)) return; /* diff --git a/drivers/staging/fsl-mc/include/dpaa2-io.h b/drivers/staging/fsl-mc/include/dpaa2-io.h index c5646096c5d4..afc2d060d077 100644 --- a/drivers/staging/fsl-mc/include/dpaa2-io.h +++ b/drivers/staging/fsl-mc/include/dpaa2-io.h @@ -54,6 +54,8 @@ struct device; * for dequeue. */ +#define DPAA2_IO_ANY_CPU -1 + /** * struct dpaa2_io_desc - The DPIO descriptor * @receives_notifications: Use notificaton mode. Non-zero if the DPIO @@ -91,8 +93,8 @@ irqreturn_t dpaa2_io_irq(struct dpaa2_io *obj); * @cb: The callback to be invoked when the notification arrives * @is_cdan: Zero for FQDAN, non-zero for CDAN * @id: FQID or channel ID, needed for rearm - * @desired_cpu: The cpu on which the notifications will show up. -1 means - * any CPU. + * @desired_cpu: The cpu on which the notifications will show up. Use + * DPAA2_IO_ANY_CPU if don't care * @dpio_id: The dpio index * @qman64: The 64-bit context value shows up in the FQDAN/CDAN. * @node: The list node diff --git a/drivers/staging/fwserial/fwserial.c b/drivers/staging/fwserial/fwserial.c index 41a49c8194e5..bba7e9c888b3 100644 --- a/drivers/staging/fwserial/fwserial.c +++ b/drivers/staging/fwserial/fwserial.c @@ -217,13 +217,6 @@ static void fwtty_log_tx_error(struct fwtty_port *port, int rcode) } } -static void fwtty_txn_constructor(void *this) -{ - struct fwtty_transaction *txn = this; - - init_timer(&txn->fw_txn.split_timeout_timer); -} - static void fwtty_common_callback(struct fw_card *card, int rcode, void *payload, size_t len, void *cb_data) { @@ -1806,9 +1799,9 @@ static void fwserial_release_port(struct fwtty_port *port, bool reset) (*port->fwcon_ops->notify)(FWCON_NOTIFY_DETACH, port->con_data); } -static void fwserial_plug_timeout(unsigned long data) +static void fwserial_plug_timeout(struct timer_list *t) { - struct fwtty_peer *peer = (struct fwtty_peer *)data; + struct fwtty_peer *peer = from_timer(peer, t, timer); struct fwtty_port *port; spin_lock_bh(&peer->lock); @@ -1860,7 +1853,6 @@ static int fwserial_connect_peer(struct fwtty_peer *peer) fill_plug_req(pkt, peer->port); - setup_timer(&peer->timer, fwserial_plug_timeout, (unsigned long)peer); mod_timer(&peer->timer, jiffies + VIRT_CABLE_PLUG_TIMEOUT); spin_unlock_bh(&peer->lock); @@ -2098,7 +2090,7 @@ static int fwserial_add_peer(struct fw_serial *serial, struct fw_unit *unit) spin_lock_init(&peer->lock); peer->port = NULL; - init_timer(&peer->timer); + timer_setup(&peer->timer, fwserial_plug_timeout, 0); INIT_WORK(&peer->work, fwserial_peer_workfn); INIT_DELAYED_WORK(&peer->connect, fwserial_auto_connect); @@ -2863,7 +2855,7 @@ static int __init fwserial_init(void) fwtty_txn_cache = kmem_cache_create("fwtty_txn_cache", sizeof(struct fwtty_transaction), - 0, 0, fwtty_txn_constructor); + 0, 0, NULL); if (!fwtty_txn_cache) { err = -ENOMEM; goto unregister_loop; diff --git a/drivers/staging/fwserial/fwserial.h b/drivers/staging/fwserial/fwserial.h index 30b2481fe32b..1d15f183e0fa 100644 --- a/drivers/staging/fwserial/fwserial.h +++ b/drivers/staging/fwserial/fwserial.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FIREWIRE_FWSERIAL_H #define _FIREWIRE_FWSERIAL_H diff --git a/drivers/staging/gdm724x/Makefile b/drivers/staging/gdm724x/Makefile index ba7f11a6a097..e61b95788c9f 100644 --- a/drivers/staging/gdm724x/Makefile +++ b/drivers/staging/gdm724x/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_LTE_GDM724X) := gdmulte.o gdmulte-y += gdm_lte.o netlink_k.o gdmulte-y += gdm_usb.o gdm_endian.o diff --git a/drivers/staging/gdm724x/gdm_lte.c b/drivers/staging/gdm724x/gdm_lte.c index 9ab6ce231f11..0527b0d1c1d0 100644 --- a/drivers/staging/gdm724x/gdm_lte.c +++ b/drivers/staging/gdm724x/gdm_lte.c @@ -26,6 +26,7 @@ #include <linux/icmp.h> #include <linux/icmpv6.h> #include <linux/uaccess.h> +#include <linux/errno.h> #include <net/ndisc.h> #include "gdm_lte.h" @@ -118,6 +119,10 @@ static int gdm_lte_emulate_arp(struct sk_buff *skb_in, u32 nic_type) void *mac_header_data; u32 mac_header_len; + /* Check for skb->len, discard if empty */ + if (skb_in->len == 0) + return -ENODATA; + /* Format the mac header so that it can be put to skb */ if (ntohs(((struct ethhdr *)skb_in->data)->h_proto) == ETH_P_8021Q) { memcpy(&vlan_eth, skb_in->data, sizeof(struct vlan_ethhdr)); @@ -241,13 +246,13 @@ static int gdm_lte_emulate_ndp(struct sk_buff *skb_in, u32 nic_type) if (ntohs(((struct ethhdr *)skb_in->data)->h_proto) == ETH_P_8021Q) { memcpy(&vlan_eth, skb_in->data, sizeof(struct vlan_ethhdr)); if (ntohs(vlan_eth.h_vlan_encapsulated_proto) != ETH_P_IPV6) - return -1; + return -EPROTONOSUPPORT; mac_header_data = &vlan_eth; mac_header_len = VLAN_ETH_HLEN; } else { memcpy(ð, skb_in->data, sizeof(struct ethhdr)); if (ntohs(eth.h_proto) != ETH_P_IPV6) - return -1; + return -EPROTONOSUPPORT; mac_header_data = ð mac_header_len = ETH_HLEN; } @@ -255,13 +260,13 @@ static int gdm_lte_emulate_ndp(struct sk_buff *skb_in, u32 nic_type) /* Check if this is IPv6 ICMP packet */ ipv6_in = (struct ipv6hdr *)(skb_in->data + mac_header_len); if (ipv6_in->version != 6 || ipv6_in->nexthdr != IPPROTO_ICMPV6) - return -1; + return -EPROTONOSUPPORT; /* Check if this is NDP packet */ icmp6_in = (struct icmp6hdr *)(skb_in->data + mac_header_len + sizeof(struct ipv6hdr)); if (icmp6_in->icmp6_type == NDISC_ROUTER_SOLICITATION) { /* Check RS */ - return -1; + return -EPROTONOSUPPORT; } else if (icmp6_in->icmp6_type == NDISC_NEIGHBOUR_SOLICITATION) { /* Check NS */ u8 icmp_na[sizeof(struct icmp6hdr) + @@ -305,7 +310,7 @@ static int gdm_lte_emulate_ndp(struct sk_buff *skb_in, u32 nic_type) icmp6_out.icmp6_cksum = icmp6_checksum(&ipv6_out, (u16 *)icmp_na, sizeof(icmp_na)); } else { - return -1; + return -EINVAL; } /* Fill the destination mac with source mac of the received packet */ @@ -412,7 +417,7 @@ static int gdm_lte_tx(struct sk_buff *skb, struct net_device *dev) nic_type = gdm_lte_tx_nic_type(dev, skb); if (nic_type == 0) { netdev_err(dev, "tx - invalid nic_type\n"); - return -1; + return -EMEDIUMTYPE; } if (nic_type & NIC_TYPE_ARP) { @@ -539,7 +544,7 @@ int gdm_lte_event_init(void) } pr_err("event init failed\n"); - return -1; + return -ENODATA; } void gdm_lte_event_exit(void) diff --git a/drivers/staging/greybus/Documentation/firmware/authenticate.c b/drivers/staging/greybus/Documentation/firmware/authenticate.c index b836f0a20c36..806e75b7f405 100644 --- a/drivers/staging/greybus/Documentation/firmware/authenticate.c +++ b/drivers/staging/greybus/Documentation/firmware/authenticate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * Sample code to test CAP protocol * diff --git a/drivers/staging/greybus/Documentation/firmware/firmware.c b/drivers/staging/greybus/Documentation/firmware/firmware.c index c73dee9d13c1..31d9c23e2eeb 100644 --- a/drivers/staging/greybus/Documentation/firmware/firmware.c +++ b/drivers/staging/greybus/Documentation/firmware/firmware.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * Sample code to test firmware-management protocol * diff --git a/drivers/staging/greybus/Makefile b/drivers/staging/greybus/Makefile index 23e1cb7bff8e..2551ed16b742 100644 --- a/drivers/staging/greybus/Makefile +++ b/drivers/staging/greybus/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Greybus core greybus-y := core.o \ debugfs.o \ diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index 0412f3d06efb..b0c66112eb18 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Arche Platform driver to control APB. * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/clk.h> diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c index 21ac92d0f533..ace4eb365c0e 100644 --- a/drivers/staging/greybus/arche-platform.c +++ b/drivers/staging/greybus/arche-platform.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Arche Platform driver to enable Unipro link. * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/clk.h> diff --git a/drivers/staging/greybus/arche_platform.h b/drivers/staging/greybus/arche_platform.h index bcffc69d0960..02056351d25a 100644 --- a/drivers/staging/greybus/arche_platform.h +++ b/drivers/staging/greybus/arche_platform.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Arche Platform driver to enable Unipro link. * * Copyright 2015-2016 Google Inc. * Copyright 2015-2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __ARCHE_PLATFORM_H diff --git a/drivers/staging/greybus/arpc.h b/drivers/staging/greybus/arpc.h index c0b63c0130c5..3534ba1a4e6c 100644 --- a/drivers/staging/greybus/arpc.h +++ b/drivers/staging/greybus/arpc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. diff --git a/drivers/staging/greybus/audio_apbridgea.c b/drivers/staging/greybus/audio_apbridgea.c index 1b4252d5d255..7ebb1bde5cb7 100644 --- a/drivers/staging/greybus/audio_apbridgea.c +++ b/drivers/staging/greybus/audio_apbridgea.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Audio Device Class Protocol helpers * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #include "greybus.h" diff --git a/drivers/staging/greybus/audio_apbridgea.h b/drivers/staging/greybus/audio_apbridgea.h index b94cb05c89e4..42ac6059bfc7 100644 --- a/drivers/staging/greybus/audio_apbridgea.h +++ b/drivers/staging/greybus/audio_apbridgea.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: BSD-3-Clause /** * Copyright (c) 2015-2016 Google Inc. * All rights reserved. diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index a6d01f0761f3..fdb9e83cc34b 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * APBridge ALSA SoC dummy codec driver * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/staging/greybus/audio_codec.h b/drivers/staging/greybus/audio_codec.h index 6fb064c69a36..161b37c8ef17 100644 --- a/drivers/staging/greybus/audio_codec.h +++ b/drivers/staging/greybus/audio_codec.h @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus audio driver * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __LINUX_GBAUDIO_CODEC_H diff --git a/drivers/staging/greybus/audio_gb.c b/drivers/staging/greybus/audio_gb.c index 7884d8482dc0..8894f1c87d48 100644 --- a/drivers/staging/greybus/audio_gb.c +++ b/drivers/staging/greybus/audio_gb.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Audio Device Class Protocol helpers * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #include "greybus.h" diff --git a/drivers/staging/greybus/audio_manager.c b/drivers/staging/greybus/audio_manager.c index aa6508b44fab..d44b070d8862 100644 --- a/drivers/staging/greybus/audio_manager.c +++ b/drivers/staging/greybus/audio_manager.c @@ -1,16 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #include <linux/string.h> #include <linux/sysfs.h> #include <linux/module.h> #include <linux/init.h> -#include <linux/rwlock.h> +#include <linux/spinlock.h> #include <linux/idr.h> #include "audio_manager.h" diff --git a/drivers/staging/greybus/audio_manager.h b/drivers/staging/greybus/audio_manager.h index 5ab8f5e0ed3f..dcb1a20f5ff1 100644 --- a/drivers/staging/greybus/audio_manager.h +++ b/drivers/staging/greybus/audio_manager.h @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #ifndef _GB_AUDIO_MANAGER_H_ diff --git a/drivers/staging/greybus/audio_manager_module.c b/drivers/staging/greybus/audio_manager_module.c index adc16977452d..52342e832e3b 100644 --- a/drivers/staging/greybus/audio_manager_module.c +++ b/drivers/staging/greybus/audio_manager_module.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #include <linux/slab.h> diff --git a/drivers/staging/greybus/audio_manager_private.h b/drivers/staging/greybus/audio_manager_private.h index 079ce953c256..9d9b58fc54c4 100644 --- a/drivers/staging/greybus/audio_manager_private.h +++ b/drivers/staging/greybus/audio_manager_private.h @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #ifndef _GB_AUDIO_MANAGER_PRIVATE_H_ diff --git a/drivers/staging/greybus/audio_manager_sysfs.c b/drivers/staging/greybus/audio_manager_sysfs.c index 34ebd147052f..283fbed0c8ed 100644 --- a/drivers/staging/greybus/audio_manager_sysfs.c +++ b/drivers/staging/greybus/audio_manager_sysfs.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2015-2016 Google Inc. - * - * Released under the GPLv2 only. */ #include <linux/string.h> diff --git a/drivers/staging/greybus/audio_module.c b/drivers/staging/greybus/audio_module.c index 094c3be79b33..d065334efa23 100644 --- a/drivers/staging/greybus/audio_module.c +++ b/drivers/staging/greybus/audio_module.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus audio driver * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c index 07fac3948f3a..de4b1b2b12f3 100644 --- a/drivers/staging/greybus/audio_topology.c +++ b/drivers/staging/greybus/audio_topology.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus audio driver * Copyright 2015-2016 Google Inc. * Copyright 2015-2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include "audio_codec.h" diff --git a/drivers/staging/greybus/authentication.c b/drivers/staging/greybus/authentication.c index 6c5dcb1c226b..16cc65e1472b 100644 --- a/drivers/staging/greybus/authentication.c +++ b/drivers/staging/greybus/authentication.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Component Authentication Protocol (CAP) Driver. * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include "greybus.h" diff --git a/drivers/staging/greybus/bootrom.c b/drivers/staging/greybus/bootrom.c index 06df0ce03150..e85ffae85dff 100644 --- a/drivers/staging/greybus/bootrom.c +++ b/drivers/staging/greybus/bootrom.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * BOOTROM Greybus driver. * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/firmware.h> diff --git a/drivers/staging/greybus/bundle.c b/drivers/staging/greybus/bundle.c index d2ef57d090be..81c018da1248 100644 --- a/drivers/staging/greybus/bundle.c +++ b/drivers/staging/greybus/bundle.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus bundles * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include "greybus.h" diff --git a/drivers/staging/greybus/bundle.h b/drivers/staging/greybus/bundle.h index 0c3491def96c..ffcfd43802cc 100644 --- a/drivers/staging/greybus/bundle.h +++ b/drivers/staging/greybus/bundle.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus bundles * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __BUNDLE_H diff --git a/drivers/staging/greybus/camera.c b/drivers/staging/greybus/camera.c index a64517eabff4..f13f16b63d7e 100644 --- a/drivers/staging/greybus/camera.c +++ b/drivers/staging/greybus/camera.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Camera protocol driver. * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/debugfs.h> diff --git a/drivers/staging/greybus/connection.c b/drivers/staging/greybus/connection.c index 2cf64640e8ec..2103168b585e 100644 --- a/drivers/staging/greybus/connection.c +++ b/drivers/staging/greybus/connection.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus connections * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/workqueue.h> diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h index 4d9f4c64176c..ec3f1d3ef3b9 100644 --- a/drivers/staging/greybus/connection.h +++ b/drivers/staging/greybus/connection.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus connections * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __CONNECTION_H diff --git a/drivers/staging/greybus/control.c b/drivers/staging/greybus/control.c index 5b30be30a3a4..35f945a12b11 100644 --- a/drivers/staging/greybus/control.c +++ b/drivers/staging/greybus/control.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus CPort control protocol. * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/control.h b/drivers/staging/greybus/control.h index 4dcaec8b9cfe..643ddb9e0f92 100644 --- a/drivers/staging/greybus/control.h +++ b/drivers/staging/greybus/control.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus CPort control protocol * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __CONTROL_H diff --git a/drivers/staging/greybus/core.c b/drivers/staging/greybus/core.c index ba761905b790..dafa430d176e 100644 --- a/drivers/staging/greybus/core.c +++ b/drivers/staging/greybus/core.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus "Core" * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/staging/greybus/debugfs.c b/drivers/staging/greybus/debugfs.c index a9d4d3da99a0..56e20c30feb5 100644 --- a/drivers/staging/greybus/debugfs.c +++ b/drivers/staging/greybus/debugfs.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus debugfs code * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/debugfs.h> diff --git a/drivers/staging/greybus/es2.c b/drivers/staging/greybus/es2.c index f7b24e0eaa6f..b082d81833a0 100644 --- a/drivers/staging/greybus/es2.c +++ b/drivers/staging/greybus/es2.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus "AP" USB driver for "ES2" controller chips * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kthread.h> #include <linux/sizes.h> @@ -761,6 +760,7 @@ static int check_urb_status(struct urb *urb) case -EOVERFLOW: dev_err(dev, "%s: overflow actual length is %d\n", __func__, urb->actual_length); + /* fall through */ case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: diff --git a/drivers/staging/greybus/firmware.h b/drivers/staging/greybus/firmware.h index f4f0db1cefe8..946221307ef6 100644 --- a/drivers/staging/greybus/firmware.h +++ b/drivers/staging/greybus/firmware.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Firmware Management Header * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __FIRMWARE_H diff --git a/drivers/staging/greybus/fw-core.c b/drivers/staging/greybus/fw-core.c index 454a98957ba5..388866d92f5b 100644 --- a/drivers/staging/greybus/fw-core.c +++ b/drivers/staging/greybus/fw-core.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Firmware Core Bundle Driver. * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/staging/greybus/fw-download.c b/drivers/staging/greybus/fw-download.c index 8a1a413c6cb3..d3b7cccbc10d 100644 --- a/drivers/staging/greybus/fw-download.c +++ b/drivers/staging/greybus/fw-download.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Firmware Download Protocol Driver. * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/firmware.h> diff --git a/drivers/staging/greybus/fw-management.c b/drivers/staging/greybus/fw-management.c index 3cd6cf0a656b..71aec14f8181 100644 --- a/drivers/staging/greybus/fw-management.c +++ b/drivers/staging/greybus/fw-management.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Firmware Management Protocol Driver. * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/cdev.h> diff --git a/drivers/staging/greybus/gb-camera.h b/drivers/staging/greybus/gb-camera.h index d45dabc5b367..ee293e461fc3 100644 --- a/drivers/staging/greybus/gb-camera.h +++ b/drivers/staging/greybus/gb-camera.h @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Camera protocol driver. * * Copyright 2015 Google Inc. - * - * Released under the GPLv2 only. */ #ifndef __GB_CAMERA_H #define __GB_CAMERA_H diff --git a/drivers/staging/greybus/gbphy.c b/drivers/staging/greybus/gbphy.c index 80c1da8224e6..6cb85c3d3572 100644 --- a/drivers/staging/greybus/gbphy.c +++ b/drivers/staging/greybus/gbphy.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Bridged-Phy Bus driver * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/staging/greybus/gbphy.h b/drivers/staging/greybus/gbphy.h index 8ee68055ccc4..99463489d7d6 100644 --- a/drivers/staging/greybus/gbphy.h +++ b/drivers/staging/greybus/gbphy.h @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Bridged-Phy Bus driver * * Copyright 2016 Google Inc. - * - * Released under the GPLv2 only. */ #ifndef __GBPHY_H diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c index ee5f998b174f..b1d4698019a1 100644 --- a/drivers/staging/greybus/gpio.c +++ b/drivers/staging/greybus/gpio.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPIO Greybus driver. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/greybus.h b/drivers/staging/greybus/greybus.h index c9bb93f23927..d03ddb7c9df0 100644 --- a/drivers/staging/greybus/greybus.h +++ b/drivers/staging/greybus/greybus.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus driver and device API * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __LINUX_GREYBUS_H diff --git a/drivers/staging/greybus/greybus_authentication.h b/drivers/staging/greybus/greybus_authentication.h index 4784ed98e8a3..03ea9615b217 100644 --- a/drivers/staging/greybus/greybus_authentication.h +++ b/drivers/staging/greybus/greybus_authentication.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * Greybus Component Authentication User Header * diff --git a/drivers/staging/greybus/greybus_firmware.h b/drivers/staging/greybus/greybus_firmware.h index 277a2acce6fd..b58281a63ba4 100644 --- a/drivers/staging/greybus/greybus_firmware.h +++ b/drivers/staging/greybus/greybus_firmware.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * Greybus Firmware Management User Header * diff --git a/drivers/staging/greybus/greybus_id.h b/drivers/staging/greybus/greybus_id.h index 4bb1fc1b811d..f4c8440093e4 100644 --- a/drivers/staging/greybus/greybus_id.h +++ b/drivers/staging/greybus/greybus_id.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* FIXME * move this to include/linux/mod_devicetable.h when merging */ diff --git a/drivers/staging/greybus/greybus_manifest.h b/drivers/staging/greybus/greybus_manifest.h index d135945cefe1..2cec5cf7a846 100644 --- a/drivers/staging/greybus/greybus_manifest.h +++ b/drivers/staging/greybus/greybus_manifest.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus manifest definition * diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h index b1be0b0af464..9bd7b6dfb476 100644 --- a/drivers/staging/greybus/greybus_protocols.h +++ b/drivers/staging/greybus/greybus_protocols.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. diff --git a/drivers/staging/greybus/greybus_trace.h b/drivers/staging/greybus/greybus_trace.h index f8feae4dc3b5..7b5e2c6b1f6b 100644 --- a/drivers/staging/greybus/greybus_trace.h +++ b/drivers/staging/greybus/greybus_trace.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus driver and device API * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #undef TRACE_SYSTEM #define TRACE_SYSTEM greybus diff --git a/drivers/staging/greybus/hd.c b/drivers/staging/greybus/hd.c index 185ae3fa10fd..969f86697673 100644 --- a/drivers/staging/greybus/hd.c +++ b/drivers/staging/greybus/hd.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Host Device * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/hd.h b/drivers/staging/greybus/hd.h index e7927bb1761c..6cf024a20a58 100644 --- a/drivers/staging/greybus/hd.h +++ b/drivers/staging/greybus/hd.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Host Device * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __HD_H diff --git a/drivers/staging/greybus/hid.c b/drivers/staging/greybus/hid.c index 465101bbab69..04053ff075a6 100644 --- a/drivers/staging/greybus/hid.c +++ b/drivers/staging/greybus/hid.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * HID class driver for the Greybus. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/bitops.h> diff --git a/drivers/staging/greybus/i2c.c b/drivers/staging/greybus/i2c.c index c2a50087000c..58a37deb6579 100644 --- a/drivers/staging/greybus/i2c.c +++ b/drivers/staging/greybus/i2c.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * I2C bridge driver for the Greybus "generic" I2C module. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/interface.c b/drivers/staging/greybus/interface.c index 71e5cc234e78..d7b5b89a2f40 100644 --- a/drivers/staging/greybus/interface.c +++ b/drivers/staging/greybus/interface.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus interface code * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/delay.h> diff --git a/drivers/staging/greybus/interface.h b/drivers/staging/greybus/interface.h index bd31b8c18d5b..1c00c5bb3ec9 100644 --- a/drivers/staging/greybus/interface.h +++ b/drivers/staging/greybus/interface.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Interface Block code * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __INTERFACE_H diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 3f4148c92308..010ae1e9c7fb 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Lights protocol driver. * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> @@ -925,6 +924,8 @@ static void __gb_lights_led_unregister(struct gb_channel *channel) return; led_classdev_unregister(cdev); + kfree(cdev->name); + cdev->name = NULL; channel->led = NULL; } @@ -998,11 +999,7 @@ static int gb_lights_channel_config(struct gb_light *light, light->has_flash = true; - ret = gb_lights_channel_flash_config(channel); - if (ret < 0) - return ret; - - return ret; + return gb_lights_channel_flash_config(channel); } static int gb_lights_light_config(struct gb_lights *glights, u8 id) diff --git a/drivers/staging/greybus/log.c b/drivers/staging/greybus/log.c index 5c5bedaf69a6..15a88574dbb0 100644 --- a/drivers/staging/greybus/log.c +++ b/drivers/staging/greybus/log.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus driver for the log protocol * * Copyright 2016 Google Inc. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c index 08e255884206..42f6f3de967c 100644 --- a/drivers/staging/greybus/loopback.c +++ b/drivers/staging/greybus/loopback.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Loopback bridge driver for the Greybus loopback module. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -58,12 +57,7 @@ static struct gb_loopback_device gb_dev; struct gb_loopback_async_operation { struct gb_loopback *gb; struct gb_operation *operation; - struct timeval ts; - struct timer_list timer; - struct list_head entry; - struct work_struct work; - struct kref kref; - bool pending; + ktime_t ts; int (*completion)(struct gb_loopback_async_operation *op_async); }; @@ -72,7 +66,6 @@ struct gb_loopback { struct dentry *file; struct kfifo kfifo_lat; - struct kfifo kfifo_ts; struct mutex mutex; struct task_struct *task; struct list_head entry; @@ -82,7 +75,7 @@ struct gb_loopback { atomic_t outstanding_operations; /* Per connection stats */ - struct timeval ts; + ktime_t ts; struct gb_loopback_stats latency; struct gb_loopback_stats throughput; struct gb_loopback_stats requests_per_second; @@ -262,7 +255,6 @@ static void gb_loopback_check_attr(struct gb_loopback *gb) gb->iteration_max, kfifo_depth); } kfifo_reset_out(&gb->kfifo_lat); - kfifo_reset_out(&gb->kfifo_ts); switch (gb->type) { case GB_LOOPBACK_TYPE_PING: @@ -377,21 +369,9 @@ static u64 __gb_loopback_calc_latency(u64 t1, u64 t2) return NSEC_PER_DAY - t2 + t1; } -static u64 gb_loopback_calc_latency(struct timeval *ts, struct timeval *te) -{ - u64 t1, t2; - - t1 = timeval_to_ns(ts); - t2 = timeval_to_ns(te); - - return __gb_loopback_calc_latency(t1, t2); -} - -static void gb_loopback_push_latency_ts(struct gb_loopback *gb, - struct timeval *ts, struct timeval *te) +static u64 gb_loopback_calc_latency(ktime_t ts, ktime_t te) { - kfifo_in(&gb->kfifo_ts, (unsigned char *)ts, sizeof(*ts)); - kfifo_in(&gb->kfifo_ts, (unsigned char *)te, sizeof(*te)); + return __gb_loopback_calc_latency(ktime_to_ns(ts), ktime_to_ns(te)); } static int gb_loopback_operation_sync(struct gb_loopback *gb, int type, @@ -399,10 +379,10 @@ static int gb_loopback_operation_sync(struct gb_loopback *gb, int type, void *response, int response_size) { struct gb_operation *operation; - struct timeval ts, te; + ktime_t ts, te; int ret; - do_gettimeofday(&ts); + ts = ktime_get(); operation = gb_operation_create(gb->connection, type, request_size, response_size, GFP_KERNEL); if (!operation) @@ -430,11 +410,10 @@ static int gb_loopback_operation_sync(struct gb_loopback *gb, int type, } } - do_gettimeofday(&te); + te = ktime_get(); /* Calculate the total time the message took */ - gb_loopback_push_latency_ts(gb, &ts, &te); - gb->elapsed_nsecs = gb_loopback_calc_latency(&ts, &te); + gb->elapsed_nsecs = gb_loopback_calc_latency(ts, te); out_put_operation: gb_operation_put(operation); @@ -442,56 +421,6 @@ out_put_operation: return ret; } -static void __gb_loopback_async_operation_destroy(struct kref *kref) -{ - struct gb_loopback_async_operation *op_async; - - op_async = container_of(kref, struct gb_loopback_async_operation, kref); - - list_del(&op_async->entry); - if (op_async->operation) - gb_operation_put(op_async->operation); - atomic_dec(&op_async->gb->outstanding_operations); - wake_up(&op_async->gb->wq_completion); - kfree(op_async); -} - -static void gb_loopback_async_operation_get(struct gb_loopback_async_operation - *op_async) -{ - kref_get(&op_async->kref); -} - -static void gb_loopback_async_operation_put(struct gb_loopback_async_operation - *op_async) -{ - unsigned long flags; - - spin_lock_irqsave(&gb_dev.lock, flags); - kref_put(&op_async->kref, __gb_loopback_async_operation_destroy); - spin_unlock_irqrestore(&gb_dev.lock, flags); -} - -static struct gb_loopback_async_operation * - gb_loopback_operation_find(u16 id) -{ - struct gb_loopback_async_operation *op_async; - bool found = false; - unsigned long flags; - - spin_lock_irqsave(&gb_dev.lock, flags); - list_for_each_entry(op_async, &gb_dev.list_op_async, entry) { - if (op_async->operation->id == id) { - gb_loopback_async_operation_get(op_async); - found = true; - break; - } - } - spin_unlock_irqrestore(&gb_dev.lock, flags); - - return found ? op_async : NULL; -} - static void gb_loopback_async_wait_all(struct gb_loopback *gb) { wait_event(gb->wq_completion, @@ -502,87 +431,42 @@ static void gb_loopback_async_operation_callback(struct gb_operation *operation) { struct gb_loopback_async_operation *op_async; struct gb_loopback *gb; - struct timeval te; - bool err = false; - - do_gettimeofday(&te); - op_async = gb_loopback_operation_find(operation->id); - if (!op_async) - return; + ktime_t te; + int result; + te = ktime_get(); + result = gb_operation_result(operation); + op_async = gb_operation_get_data(operation); gb = op_async->gb; + mutex_lock(&gb->mutex); - if (!op_async->pending || gb_operation_result(operation)) { - err = true; + if (!result && op_async->completion) + result = op_async->completion(op_async); + + if (!result) { + gb->elapsed_nsecs = gb_loopback_calc_latency(op_async->ts, te); } else { - if (op_async->completion) - if (op_async->completion(op_async)) - err = true; + gb->error++; + if (result == -ETIMEDOUT) + gb->requests_timedout++; } - if (!err) { - gb_loopback_push_latency_ts(gb, &op_async->ts, &te); - gb->elapsed_nsecs = gb_loopback_calc_latency(&op_async->ts, - &te); - } + gb->iteration_count++; + gb_loopback_calculate_stats(gb, result); - if (op_async->pending) { - if (err) - gb->error++; - gb->iteration_count++; - op_async->pending = false; - del_timer_sync(&op_async->timer); - gb_loopback_async_operation_put(op_async); - gb_loopback_calculate_stats(gb, err); - } mutex_unlock(&gb->mutex); dev_dbg(&gb->connection->bundle->dev, "complete operation %d\n", operation->id); - gb_loopback_async_operation_put(op_async); -} - -static void gb_loopback_async_operation_work(struct work_struct *work) -{ - struct gb_loopback *gb; - struct gb_operation *operation; - struct gb_loopback_async_operation *op_async; - - op_async = container_of(work, struct gb_loopback_async_operation, work); - gb = op_async->gb; - operation = op_async->operation; - - mutex_lock(&gb->mutex); - if (op_async->pending) { - gb->requests_timedout++; - gb->error++; - gb->iteration_count++; - op_async->pending = false; - gb_loopback_async_operation_put(op_async); - gb_loopback_calculate_stats(gb, true); - } - mutex_unlock(&gb->mutex); - - dev_dbg(&gb->connection->bundle->dev, "timeout operation %d\n", - operation->id); - - gb_operation_cancel(operation, -ETIMEDOUT); - gb_loopback_async_operation_put(op_async); -} - -static void gb_loopback_async_operation_timeout(unsigned long data) -{ - struct gb_loopback_async_operation *op_async; - u16 id = data; + /* Wake up waiters */ + atomic_dec(&op_async->gb->outstanding_operations); + wake_up(&gb->wq_completion); - op_async = gb_loopback_operation_find(id); - if (!op_async) { - pr_err("operation %d not found - time out ?\n", id); - return; - } - schedule_work(&op_async->work); + /* Release resources */ + gb_operation_put(operation); + kfree(op_async); } static int gb_loopback_async_operation(struct gb_loopback *gb, int type, @@ -593,15 +477,11 @@ static int gb_loopback_async_operation(struct gb_loopback *gb, int type, struct gb_loopback_async_operation *op_async; struct gb_operation *operation; int ret; - unsigned long flags; op_async = kzalloc(sizeof(*op_async), GFP_KERNEL); if (!op_async) return -ENOMEM; - INIT_WORK(&op_async->work, gb_loopback_async_operation_work); - kref_init(&op_async->kref); - operation = gb_operation_create(gb->connection, type, request_size, response_size, GFP_KERNEL); if (!operation) { @@ -612,35 +492,24 @@ static int gb_loopback_async_operation(struct gb_loopback *gb, int type, if (request_size) memcpy(operation->request->payload, request, request_size); + gb_operation_set_data(operation, op_async); + op_async->gb = gb; op_async->operation = operation; op_async->completion = completion; - spin_lock_irqsave(&gb_dev.lock, flags); - list_add_tail(&op_async->entry, &gb_dev.list_op_async); - spin_unlock_irqrestore(&gb_dev.lock, flags); + op_async->ts = ktime_get(); - do_gettimeofday(&op_async->ts); - op_async->pending = true; atomic_inc(&gb->outstanding_operations); - mutex_lock(&gb->mutex); ret = gb_operation_request_send(operation, gb_loopback_async_operation_callback, - 0, + jiffies_to_msecs(gb->jiffy_timeout), GFP_KERNEL); - if (ret) - goto error; - - setup_timer(&op_async->timer, gb_loopback_async_operation_timeout, - (unsigned long)operation->id); - op_async->timer.expires = jiffies + gb->jiffy_timeout; - add_timer(&op_async->timer); - - goto done; -error: - gb_loopback_async_operation_put(op_async); -done: - mutex_unlock(&gb->mutex); + if (ret) { + atomic_dec(&gb->outstanding_operations); + gb_operation_put(operation); + kfree(op_async); + } return ret; } @@ -854,7 +723,7 @@ static void gb_loopback_reset_stats(struct gb_loopback *gb) /* Should be initialized at least once per transaction set */ gb->apbridge_latency_ts = 0; gb->gbphy_latency_ts = 0; - memset(&gb->ts, 0, sizeof(struct timeval)); + gb->ts = ktime_set(0, 0); } static void gb_loopback_update_stats(struct gb_loopback_stats *stats, u32 val) @@ -937,15 +806,15 @@ static void gb_loopback_calculate_stats(struct gb_loopback *gb, bool error) { u64 nlat; u32 lat; - struct timeval te; + ktime_t te; if (!error) { gb->requests_completed++; gb_loopback_calculate_latency_stats(gb); } - do_gettimeofday(&te); - nlat = gb_loopback_calc_latency(&gb->ts, &te); + te = ktime_get(); + nlat = gb_loopback_calc_latency(gb->ts, te); if (nlat >= NSEC_PER_SEC || gb->iteration_count == gb->iteration_max) { lat = gb_loopback_nsec_to_usec_latency(nlat); @@ -1029,9 +898,8 @@ static int gb_loopback_fn(void *data) size = gb->size; us_wait = gb->us_wait; type = gb->type; - if (gb->ts.tv_usec == 0 && gb->ts.tv_sec == 0) - do_gettimeofday(&gb->ts); - mutex_unlock(&gb->mutex); + if (ktime_to_ns(gb->ts) == 0) + gb->ts = ktime_get(); /* Else operations to perform */ if (gb->async) { @@ -1042,8 +910,10 @@ static int gb_loopback_fn(void *data) else if (type == GB_LOOPBACK_TYPE_SINK) error = gb_loopback_async_sink(gb, size); - if (error) + if (error) { gb->error++; + gb->iteration_count++; + } } else { /* We are effectively single threaded here */ if (type == GB_LOOPBACK_TYPE_PING) @@ -1059,6 +929,7 @@ static int gb_loopback_fn(void *data) gb_loopback_calculate_stats(gb, !!error); } gb->send_count++; + mutex_unlock(&gb->mutex); if (us_wait) { if (us_wait < 20000) @@ -1241,18 +1112,12 @@ static int gb_loopback_probe(struct gb_bundle *bundle, retval = -ENOMEM; goto out_conn; } - if (kfifo_alloc(&gb->kfifo_ts, kfifo_depth * sizeof(struct timeval) * 2, - GFP_KERNEL)) { - retval = -ENOMEM; - goto out_kfifo0; - } - /* Fork worker thread */ mutex_init(&gb->mutex); gb->task = kthread_run(gb_loopback_fn, gb, "gb_loopback"); if (IS_ERR(gb->task)) { retval = PTR_ERR(gb->task); - goto out_kfifo1; + goto out_kfifo; } spin_lock_irqsave(&gb_dev.lock, flags); @@ -1266,9 +1131,7 @@ static int gb_loopback_probe(struct gb_bundle *bundle, return 0; -out_kfifo1: - kfifo_free(&gb->kfifo_ts); -out_kfifo0: +out_kfifo: kfifo_free(&gb->kfifo_lat); out_conn: device_unregister(dev); @@ -1302,7 +1165,6 @@ static void gb_loopback_disconnect(struct gb_bundle *bundle) kthread_stop(gb->task); kfifo_free(&gb->kfifo_lat); - kfifo_free(&gb->kfifo_ts); gb_connection_latency_tag_disable(gb->connection); debugfs_remove(gb->file); diff --git a/drivers/staging/greybus/manifest.c b/drivers/staging/greybus/manifest.c index 7b903770a684..08db49264f2b 100644 --- a/drivers/staging/greybus/manifest.c +++ b/drivers/staging/greybus/manifest.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus manifest parsing * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include "greybus.h" diff --git a/drivers/staging/greybus/manifest.h b/drivers/staging/greybus/manifest.h index d96428407cd7..f3c95a255631 100644 --- a/drivers/staging/greybus/manifest.h +++ b/drivers/staging/greybus/manifest.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus manifest parsing * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __MANIFEST_H diff --git a/drivers/staging/greybus/module.c b/drivers/staging/greybus/module.c index 660b4674a76f..b785382192de 100644 --- a/drivers/staging/greybus/module.c +++ b/drivers/staging/greybus/module.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Module code * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include "greybus.h" diff --git a/drivers/staging/greybus/module.h b/drivers/staging/greybus/module.h index 88a97ce04243..b1ebcc6636db 100644 --- a/drivers/staging/greybus/module.h +++ b/drivers/staging/greybus/module.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Module code * * Copyright 2016 Google Inc. * Copyright 2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __MODULE_H diff --git a/drivers/staging/greybus/operation.c b/drivers/staging/greybus/operation.c index 3023012808d9..609332b3e15b 100644 --- a/drivers/staging/greybus/operation.c +++ b/drivers/staging/greybus/operation.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/operation.h b/drivers/staging/greybus/operation.h index 7529f01b2529..40b7b02fff88 100644 --- a/drivers/staging/greybus/operation.h +++ b/drivers/staging/greybus/operation.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus operations * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __OPERATION_H @@ -105,6 +104,8 @@ struct gb_operation { int active; struct list_head links; /* connection->operations */ + + void *private; }; static inline bool @@ -206,6 +207,17 @@ static inline int gb_operation_unidirectional(struct gb_connection *connection, request, request_size, GB_OPERATION_TIMEOUT_DEFAULT); } +static inline void *gb_operation_get_data(struct gb_operation *operation) +{ + return operation->private; +} + +static inline void gb_operation_set_data(struct gb_operation *operation, + void *data) +{ + operation->private = data; +} + int gb_operation_init(void); void gb_operation_exit(void); diff --git a/drivers/staging/greybus/power_supply.c b/drivers/staging/greybus/power_supply.c index 20cac20518d7..0529e5628c24 100644 --- a/drivers/staging/greybus/power_supply.c +++ b/drivers/staging/greybus/power_supply.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Power Supply driver for a Greybus module. * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/pwm.c b/drivers/staging/greybus/pwm.c index f0404bc37123..4a6d394b6c44 100644 --- a/drivers/staging/greybus/pwm.c +++ b/drivers/staging/greybus/pwm.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PWM Greybus driver. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/raw.c b/drivers/staging/greybus/raw.c index 729d25811568..838acbe84ca0 100644 --- a/drivers/staging/greybus/raw.c +++ b/drivers/staging/greybus/raw.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus driver for the Raw protocol * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/staging/greybus/sdio.c b/drivers/staging/greybus/sdio.c index 101ca5097fc9..38e85033fc4b 100644 --- a/drivers/staging/greybus/sdio.c +++ b/drivers/staging/greybus/sdio.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SD/MMC Greybus driver. * * Copyright 2014-2015 Google Inc. * Copyright 2014-2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/greybus/spi.c b/drivers/staging/greybus/spi.c index c893552b5c0b..47d896992b35 100644 --- a/drivers/staging/greybus/spi.c +++ b/drivers/staging/greybus/spi.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SPI bridge PHY driver. * * Copyright 2014-2016 Google Inc. * Copyright 2014-2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/module.h> diff --git a/drivers/staging/greybus/spilib.c b/drivers/staging/greybus/spilib.c index e97b19148497..2e07c6b41334 100644 --- a/drivers/staging/greybus/spilib.c +++ b/drivers/staging/greybus/spilib.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus SPI library * * Copyright 2014-2016 Google Inc. * Copyright 2014-2016 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/bitops.h> @@ -544,12 +543,15 @@ int gb_spilib_master_init(struct gb_connection *connection, struct device *dev, return 0; -exit_spi_unregister: - spi_unregister_master(master); exit_spi_put: spi_master_put(master); return ret; + +exit_spi_unregister: + spi_unregister_master(master); + + return ret; } EXPORT_SYMBOL_GPL(gb_spilib_master_init); @@ -558,7 +560,6 @@ void gb_spilib_master_exit(struct gb_connection *connection) struct spi_master *master = gb_connection_get_data(connection); spi_unregister_master(master); - spi_master_put(master); } EXPORT_SYMBOL_GPL(gb_spilib_master_exit); diff --git a/drivers/staging/greybus/spilib.h b/drivers/staging/greybus/spilib.h index cb6092578a92..043d4d32c3ee 100644 --- a/drivers/staging/greybus/spilib.h +++ b/drivers/staging/greybus/spilib.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus SPI library header * diff --git a/drivers/staging/greybus/svc.c b/drivers/staging/greybus/svc.c index 516f827e5ed9..a874fed761a1 100644 --- a/drivers/staging/greybus/svc.c +++ b/drivers/staging/greybus/svc.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SVC Greybus driver. * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/debugfs.h> diff --git a/drivers/staging/greybus/svc.h b/drivers/staging/greybus/svc.h index 226c2a396fc8..ad01783bac9c 100644 --- a/drivers/staging/greybus/svc.h +++ b/drivers/staging/greybus/svc.h @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus SVC code * * Copyright 2015 Google Inc. * Copyright 2015 Linaro Ltd. - * - * Released under the GPLv2 only. */ #ifndef __SVC_H diff --git a/drivers/staging/greybus/svc_watchdog.c b/drivers/staging/greybus/svc_watchdog.c index 779fbea5d4ba..7868ad8211c5 100644 --- a/drivers/staging/greybus/svc_watchdog.c +++ b/drivers/staging/greybus/svc_watchdog.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SVC Greybus "watchdog" driver. * * Copyright 2016 Google Inc. - * - * Released under the GPLv2 only. */ #include <linux/delay.h> diff --git a/drivers/staging/greybus/tools/Makefile b/drivers/staging/greybus/tools/Makefile index 852b12b71149..ad0ae8053b79 100644 --- a/drivers/staging/greybus/tools/Makefile +++ b/drivers/staging/greybus/tools/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ifeq ($(strip $(V)), 1) Q = else diff --git a/drivers/staging/greybus/tools/lbtest b/drivers/staging/greybus/tools/lbtest index d7353f1a2a6f..47c481239e98 100755 --- a/drivers/staging/greybus/tools/lbtest +++ b/drivers/staging/greybus/tools/lbtest @@ -1,4 +1,5 @@ #!/usr/bin/env python +# SPDX-License-Identifier: BSD-3-Clause # Copyright (c) 2015 Google, Inc. # Copyright (c) 2015 Linaro, Ltd. diff --git a/drivers/staging/greybus/tools/loopback_test.c b/drivers/staging/greybus/tools/loopback_test.c index fbe589fca840..c51610ce24af 100644 --- a/drivers/staging/greybus/tools/loopback_test.c +++ b/drivers/staging/greybus/tools/loopback_test.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: BSD-3-Clause /* * Loopback test application * diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c index c6d01b800d3c..8a006323c3c1 100644 --- a/drivers/staging/greybus/uart.c +++ b/drivers/staging/greybus/uart.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * UART driver for the Greybus "generic" UART module. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. * - * Released under the GPLv2 only. - * * Heavily based on drivers/usb/class/cdc-acm.c and * drivers/usb/serial/usb-serial.c. */ diff --git a/drivers/staging/greybus/usb.c b/drivers/staging/greybus/usb.c index f93a76d02de6..1c246c73a085 100644 --- a/drivers/staging/greybus/usb.c +++ b/drivers/staging/greybus/usb.c @@ -1,11 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB host driver for the Greybus "generic" USB module. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. - * */ #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/staging/greybus/vibrator.c b/drivers/staging/greybus/vibrator.c index 5cd8a50d41ad..3e5dedeacd5c 100644 --- a/drivers/staging/greybus/vibrator.c +++ b/drivers/staging/greybus/vibrator.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Greybus Vibrator protocol driver. * * Copyright 2014 Google Inc. * Copyright 2014 Linaro Ltd. - * - * Released under the GPLv2 only. */ #include <linux/kernel.h> diff --git a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c index bcbdc7340b55..fa8b27e091a2 100644 --- a/drivers/staging/gs_fpgaboot/gs_fpgaboot.c +++ b/drivers/staging/gs_fpgaboot/gs_fpgaboot.c @@ -106,7 +106,7 @@ static int readmagic_bitstream(u8 *bitdata, int *offset) read_bitstream(bitdata, buf, offset, 13); r = memcmp(buf, bits_magic, 13); if (r) { - pr_err("error: corrupted header"); + pr_err("error: corrupted header\n"); return -EINVAL; } pr_info("bitstream file magic number Ok\n"); diff --git a/drivers/staging/iio/Documentation/device.txt b/drivers/staging/iio/Documentation/device.txt index 54ef0deed28f..ec42544a46aa 100644 --- a/drivers/staging/iio/Documentation/device.txt +++ b/drivers/staging/iio/Documentation/device.txt @@ -26,9 +26,6 @@ Then fill in the following: pointer to a structure with elements that tend to be fixed for large sets of different parts supported by a given driver. This contains: - * info->driver_module: - Set to THIS_MODULE. Used to ensure correct ownership - of various resources allocate by the core. * info->event_attrs: Attributes used to enable / disable hardware events. * info->attrs: diff --git a/drivers/staging/iio/Documentation/trigger.txt b/drivers/staging/iio/Documentation/trigger.txt index 7c0e505e4f04..299a1add98bf 100644 --- a/drivers/staging/iio/Documentation/trigger.txt +++ b/drivers/staging/iio/Documentation/trigger.txt @@ -10,10 +10,6 @@ struct iio_trig *trig = iio_trigger_alloc("<trigger format string>", ...); allocates a trigger structure. The key elements to then fill in within a driver are: -trig->owner - Typically set to THIS_MODULE. Used to ensure correct - ownership of core allocated resources. - trig->set_trigger_state: Function that enables / disables the underlying source of the trigger. diff --git a/drivers/staging/iio/Makefile b/drivers/staging/iio/Makefile index 0cfd05d5bf49..455bffc29649 100644 --- a/drivers/staging/iio/Makefile +++ b/drivers/staging/iio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the industrial I/O core. # diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c index fbc240663621..2ebd27536216 100644 --- a/drivers/staging/iio/accel/adis16201.c +++ b/drivers/staging/iio/accel/adis16201.c @@ -284,7 +284,6 @@ static const struct iio_info adis16201_info = { .read_raw = adis16201_read_raw, .write_raw = adis16201_write_raw, .update_scan_mode = adis_update_scan_mode, - .driver_module = THIS_MODULE, }; static const char * const adis16201_status_error_msgs[] = { diff --git a/drivers/staging/iio/accel/adis16203.c b/drivers/staging/iio/accel/adis16203.c index 4e3fa7592d3f..b3e4571340ab 100644 --- a/drivers/staging/iio/accel/adis16203.c +++ b/drivers/staging/iio/accel/adis16203.c @@ -232,7 +232,6 @@ static const struct iio_info adis16203_info = { .read_raw = adis16203_read_raw, .write_raw = adis16203_write_raw, .update_scan_mode = adis_update_scan_mode, - .driver_module = THIS_MODULE, }; static const char * const adis16203_status_error_msgs[] = { diff --git a/drivers/staging/iio/accel/adis16209.c b/drivers/staging/iio/accel/adis16209.c index 8485c024e3f5..7fcef9a2590a 100644 --- a/drivers/staging/iio/accel/adis16209.c +++ b/drivers/staging/iio/accel/adis16209.c @@ -285,7 +285,6 @@ static const struct iio_info adis16209_info = { .read_raw = adis16209_read_raw, .write_raw = adis16209_write_raw, .update_scan_mode = adis_update_scan_mode, - .driver_module = THIS_MODULE, }; static const char * const adis16209_status_error_msgs[] = { diff --git a/drivers/staging/iio/accel/adis16240.c b/drivers/staging/iio/accel/adis16240.c index 109cd94b5ac3..fff6d99089cc 100644 --- a/drivers/staging/iio/accel/adis16240.c +++ b/drivers/staging/iio/accel/adis16240.c @@ -361,7 +361,6 @@ static const struct iio_info adis16240_info = { .read_raw = adis16240_read_raw, .write_raw = adis16240_write_raw, .update_scan_mode = adis_update_scan_mode, - .driver_module = THIS_MODULE, }; static const char * const adis16240_status_error_msgs[] = { diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile index bf18bdd7c99d..ebe83c1ad362 100644 --- a/drivers/staging/iio/adc/Makefile +++ b/drivers/staging/iio/adc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for industrial I/O ADC drivers # diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 6150d2780e22..cadfb96734ed 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -162,6 +162,7 @@ struct ad7192_state { u32 scale_avail[8][2]; u8 gpocon; u8 devid; + struct mutex lock; /* protect sensor state */ struct ad_sigma_delta sd; }; @@ -461,10 +462,10 @@ static int ad7192_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_VOLTAGE: - mutex_lock(&indio_dev->mlock); + mutex_lock(&st->lock); *val = st->scale_avail[AD7192_CONF_GAIN(st->conf)][0]; *val2 = st->scale_avail[AD7192_CONF_GAIN(st->conf)][1]; - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&st->lock); return IIO_VAL_INT_PLUS_NANO; case IIO_TEMP: *val = 0; @@ -508,6 +509,7 @@ static int ad7192_write_raw(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_SCALE: ret = -EINVAL; + mutex_lock(&st->lock); for (i = 0; i < ARRAY_SIZE(st->scale_avail); i++) if (val2 == st->scale_avail[i][1]) { ret = 0; @@ -521,6 +523,7 @@ static int ad7192_write_raw(struct iio_dev *indio_dev, ad7192_calibrate_all(st); break; } + mutex_unlock(&st->lock); break; case IIO_CHAN_INFO_SAMP_FREQ: if (!val) { @@ -567,7 +570,6 @@ static const struct iio_info ad7192_info = { .write_raw_get_fmt = ad7192_write_raw_get_fmt, .attrs = &ad7192_attribute_group, .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, }; static const struct iio_info ad7195_info = { @@ -576,7 +578,6 @@ static const struct iio_info ad7195_info = { .write_raw_get_fmt = ad7192_write_raw_get_fmt, .attrs = &ad7195_attribute_group, .validate_trigger = ad_sd_validate_trigger, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec ad7192_channels[] = { @@ -632,6 +633,8 @@ static int ad7192_probe(struct spi_device *spi) st = iio_priv(indio_dev); + mutex_init(&st->lock); + st->avdd = devm_regulator_get(&spi->dev, "avdd"); if (IS_ERR(st->avdd)) return PTR_ERR(st->avdd); diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c index f85dde9805e0..b736275c10f5 100644 --- a/drivers/staging/iio/adc/ad7280a.c +++ b/drivers/staging/iio/adc/ad7280a.c @@ -828,7 +828,6 @@ static const struct iio_info ad7280_info = { .read_raw = ad7280_read_raw, .event_attrs = &ad7280_event_attrs_group, .attrs = &ad7280_attrs_group, - .driver_module = THIS_MODULE, }; static const struct ad7280_platform_data ad7793_default_pdata = { diff --git a/drivers/staging/iio/adc/ad7606.c b/drivers/staging/iio/adc/ad7606.c index 18f5f139117e..25b9fcd5e3a4 100644 --- a/drivers/staging/iio/adc/ad7606.c +++ b/drivers/staging/iio/adc/ad7606.c @@ -373,26 +373,22 @@ static irqreturn_t ad7606_interrupt(int irq, void *dev_id) }; static const struct iio_info ad7606_info_no_os_or_range = { - .driver_module = THIS_MODULE, .read_raw = &ad7606_read_raw, }; static const struct iio_info ad7606_info_os_and_range = { - .driver_module = THIS_MODULE, .read_raw = &ad7606_read_raw, .write_raw = &ad7606_write_raw, .attrs = &ad7606_attribute_group_os_and_range, }; static const struct iio_info ad7606_info_os = { - .driver_module = THIS_MODULE, .read_raw = &ad7606_read_raw, .write_raw = &ad7606_write_raw, .attrs = &ad7606_attribute_group_os, }; static const struct iio_info ad7606_info_range = { - .driver_module = THIS_MODULE, .read_raw = &ad7606_read_raw, .write_raw = &ad7606_write_raw, .attrs = &ad7606_attribute_group_range, diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c index dec3ba6eba8a..a7797af579b9 100644 --- a/drivers/staging/iio/adc/ad7780.c +++ b/drivers/staging/iio/adc/ad7780.c @@ -155,7 +155,6 @@ static const struct ad7780_chip_info ad7780_chip_info_tbl[] = { static const struct iio_info ad7780_info = { .read_raw = ad7780_read_raw, - .driver_module = THIS_MODULE, }; static int ad7780_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c index 17d280581e24..bfe180a475ee 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -335,7 +335,6 @@ static const struct attribute_group ad7816_event_attribute_group = { static const struct iio_info ad7816_info = { .attrs = &ad7816_attribute_group, .event_attrs = &ad7816_event_attribute_group, - .driver_module = THIS_MODULE, }; /* diff --git a/drivers/staging/iio/addac/adt7316.c b/drivers/staging/iio/addac/adt7316.c index b2bce26499f5..2d33632c00e8 100644 --- a/drivers/staging/iio/addac/adt7316.c +++ b/drivers/staging/iio/addac/adt7316.c @@ -2087,13 +2087,11 @@ EXPORT_SYMBOL_GPL(adt7316_pm_ops); static const struct iio_info adt7316_info = { .attrs = &adt7316_attribute_group, .event_attrs = &adt7316_event_attribute_group, - .driver_module = THIS_MODULE, }; static const struct iio_info adt7516_info = { .attrs = &adt7516_attribute_group, .event_attrs = &adt7516_event_attribute_group, - .driver_module = THIS_MODULE, }; /* diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c index a6f249e9c1e1..2fe916c48848 100644 --- a/drivers/staging/iio/cdc/ad7150.c +++ b/drivers/staging/iio/cdc/ad7150.c @@ -569,7 +569,6 @@ static const struct attribute_group ad7150_event_attribute_group = { static const struct iio_info ad7150_info = { .event_attrs = &ad7150_event_attribute_group, - .driver_module = THIS_MODULE, .read_raw = &ad7150_read_raw, .read_event_config = &ad7150_read_event_config, .write_event_config = &ad7150_write_event_config, diff --git a/drivers/staging/iio/cdc/ad7152.c b/drivers/staging/iio/cdc/ad7152.c index ff10d1f0a7e4..61377ca444de 100644 --- a/drivers/staging/iio/cdc/ad7152.c +++ b/drivers/staging/iio/cdc/ad7152.c @@ -441,7 +441,6 @@ static const struct iio_info ad7152_info = { .read_raw = ad7152_read_raw, .write_raw = ad7152_write_raw, .write_raw_get_fmt = ad7152_write_raw_get_fmt, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec ad7152_channels[] = { diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c index cdcb4fccf3fe..a124853a05f0 100644 --- a/drivers/staging/iio/cdc/ad7746.c +++ b/drivers/staging/iio/cdc/ad7746.c @@ -667,7 +667,6 @@ static const struct iio_info ad7746_info = { .attrs = &ad7746_attribute_group, .read_raw = ad7746_read_raw, .write_raw = ad7746_write_raw, - .driver_module = THIS_MODULE, }; /* diff --git a/drivers/staging/iio/frequency/ad9832.c b/drivers/staging/iio/frequency/ad9832.c index 6da46ede7ee0..c73eff1f8d73 100644 --- a/drivers/staging/iio/frequency/ad9832.c +++ b/drivers/staging/iio/frequency/ad9832.c @@ -290,7 +290,6 @@ static const struct attribute_group ad9832_attribute_group = { static const struct iio_info ad9832_info = { .attrs = &ad9832_attribute_group, - .driver_module = THIS_MODULE, }; static int ad9832_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 995acdd7c942..4c6d4043903e 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -381,12 +381,10 @@ static const struct attribute_group ad9833_attribute_group = { static const struct iio_info ad9834_info = { .attrs = &ad9834_attribute_group, - .driver_module = THIS_MODULE, }; static const struct iio_info ad9833_info = { .attrs = &ad9833_attribute_group, - .driver_module = THIS_MODULE, }; static int ad9834_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/gyro/adis16060_core.c b/drivers/staging/iio/gyro/adis16060_core.c index 967524583d8a..4e7630caf7d3 100644 --- a/drivers/staging/iio/gyro/adis16060_core.c +++ b/drivers/staging/iio/gyro/adis16060_core.c @@ -103,7 +103,6 @@ static int adis16060_read_raw(struct iio_dev *indio_dev, static const struct iio_info adis16060_info = { .read_raw = adis16060_read_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec adis16060_channels[] = { diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 3d539eeb0e26..2b28fb9c0048 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -575,7 +575,6 @@ out: static const struct iio_info ad5933_info = { .read_raw = ad5933_read_raw, .attrs = &ad5933_attribute_group, - .driver_module = THIS_MODULE, }; static int ad5933_ring_preenable(struct iio_dev *indio_dev) diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index 786e93f16ce9..42ed9c015aaf 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -15,112 +15,112 @@ * more details. */ -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/errno.h> #include <linux/delay.h> -#include <linux/mutex.h> +#include <linux/errno.h> +#include <linux/i2c.h> #include <linux/interrupt.h> -#include <linux/slab.h> +#include <linux/kernel.h> #include <linux/module.h> +#include <linux/mutex.h> +#include <linux/slab.h> #include <linux/iio/events.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include "tsl2x7x.h" /* Cal defs*/ -#define PROX_STAT_CAL 0 -#define PROX_STAT_SAMP 1 -#define MAX_SAMPLES_CAL 200 +#define PROX_STAT_CAL 0 +#define PROX_STAT_SAMP 1 +#define MAX_SAMPLES_CAL 200 /* TSL2X7X Device ID */ -#define TRITON_ID 0x00 -#define SWORDFISH_ID 0x30 -#define HALIBUT_ID 0x20 +#define TRITON_ID 0x00 +#define SWORDFISH_ID 0x30 +#define HALIBUT_ID 0x20 /* Lux calculation constants */ -#define TSL2X7X_LUX_CALC_OVER_FLOW 65535 +#define TSL2X7X_LUX_CALC_OVER_FLOW 65535 /* TAOS Register definitions - note: * depending on device, some of these register are not used and the * register address is benign. */ /* 2X7X register offsets */ -#define TSL2X7X_MAX_CONFIG_REG 16 +#define TSL2X7X_MAX_CONFIG_REG 16 /* Device Registers and Masks */ -#define TSL2X7X_CNTRL 0x00 -#define TSL2X7X_ALS_TIME 0X01 -#define TSL2X7X_PRX_TIME 0x02 -#define TSL2X7X_WAIT_TIME 0x03 -#define TSL2X7X_ALS_MINTHRESHLO 0X04 -#define TSL2X7X_ALS_MINTHRESHHI 0X05 -#define TSL2X7X_ALS_MAXTHRESHLO 0X06 -#define TSL2X7X_ALS_MAXTHRESHHI 0X07 -#define TSL2X7X_PRX_MINTHRESHLO 0X08 -#define TSL2X7X_PRX_MINTHRESHHI 0X09 -#define TSL2X7X_PRX_MAXTHRESHLO 0X0A -#define TSL2X7X_PRX_MAXTHRESHHI 0X0B -#define TSL2X7X_PERSISTENCE 0x0C -#define TSL2X7X_PRX_CONFIG 0x0D -#define TSL2X7X_PRX_COUNT 0x0E -#define TSL2X7X_GAIN 0x0F -#define TSL2X7X_NOTUSED 0x10 -#define TSL2X7X_REVID 0x11 -#define TSL2X7X_CHIPID 0x12 -#define TSL2X7X_STATUS 0x13 -#define TSL2X7X_ALS_CHAN0LO 0x14 -#define TSL2X7X_ALS_CHAN0HI 0x15 -#define TSL2X7X_ALS_CHAN1LO 0x16 -#define TSL2X7X_ALS_CHAN1HI 0x17 -#define TSL2X7X_PRX_LO 0x18 -#define TSL2X7X_PRX_HI 0x19 +#define TSL2X7X_CNTRL 0x00 +#define TSL2X7X_ALS_TIME 0X01 +#define TSL2X7X_PRX_TIME 0x02 +#define TSL2X7X_WAIT_TIME 0x03 +#define TSL2X7X_ALS_MINTHRESHLO 0X04 +#define TSL2X7X_ALS_MINTHRESHHI 0X05 +#define TSL2X7X_ALS_MAXTHRESHLO 0X06 +#define TSL2X7X_ALS_MAXTHRESHHI 0X07 +#define TSL2X7X_PRX_MINTHRESHLO 0X08 +#define TSL2X7X_PRX_MINTHRESHHI 0X09 +#define TSL2X7X_PRX_MAXTHRESHLO 0X0A +#define TSL2X7X_PRX_MAXTHRESHHI 0X0B +#define TSL2X7X_PERSISTENCE 0x0C +#define TSL2X7X_PRX_CONFIG 0x0D +#define TSL2X7X_PRX_COUNT 0x0E +#define TSL2X7X_GAIN 0x0F +#define TSL2X7X_NOTUSED 0x10 +#define TSL2X7X_REVID 0x11 +#define TSL2X7X_CHIPID 0x12 +#define TSL2X7X_STATUS 0x13 +#define TSL2X7X_ALS_CHAN0LO 0x14 +#define TSL2X7X_ALS_CHAN0HI 0x15 +#define TSL2X7X_ALS_CHAN1LO 0x16 +#define TSL2X7X_ALS_CHAN1HI 0x17 +#define TSL2X7X_PRX_LO 0x18 +#define TSL2X7X_PRX_HI 0x19 /* tsl2X7X cmd reg masks */ -#define TSL2X7X_CMD_REG 0x80 -#define TSL2X7X_CMD_SPL_FN 0x60 +#define TSL2X7X_CMD_REG 0x80 +#define TSL2X7X_CMD_SPL_FN 0x60 -#define TSL2X7X_CMD_PROX_INT_CLR 0X05 -#define TSL2X7X_CMD_ALS_INT_CLR 0x06 -#define TSL2X7X_CMD_PROXALS_INT_CLR 0X07 +#define TSL2X7X_CMD_PROX_INT_CLR 0X05 +#define TSL2X7X_CMD_ALS_INT_CLR 0x06 +#define TSL2X7X_CMD_PROXALS_INT_CLR 0X07 /* tsl2X7X cntrl reg masks */ -#define TSL2X7X_CNTL_ADC_ENBL 0x02 -#define TSL2X7X_CNTL_PWR_ON 0x01 +#define TSL2X7X_CNTL_ADC_ENBL 0x02 +#define TSL2X7X_CNTL_PWR_ON 0x01 /* tsl2X7X status reg masks */ -#define TSL2X7X_STA_ADC_VALID 0x01 -#define TSL2X7X_STA_PRX_VALID 0x02 -#define TSL2X7X_STA_ADC_PRX_VALID (TSL2X7X_STA_ADC_VALID |\ - TSL2X7X_STA_PRX_VALID) -#define TSL2X7X_STA_ALS_INTR 0x10 -#define TSL2X7X_STA_PRX_INTR 0x20 +#define TSL2X7X_STA_ADC_VALID 0x01 +#define TSL2X7X_STA_PRX_VALID 0x02 +#define TSL2X7X_STA_ADC_PRX_VALID (TSL2X7X_STA_ADC_VALID | \ + TSL2X7X_STA_PRX_VALID) +#define TSL2X7X_STA_ALS_INTR 0x10 +#define TSL2X7X_STA_PRX_INTR 0x20 /* tsl2X7X cntrl reg masks */ -#define TSL2X7X_CNTL_REG_CLEAR 0x00 -#define TSL2X7X_CNTL_PROX_INT_ENBL 0X20 -#define TSL2X7X_CNTL_ALS_INT_ENBL 0X10 -#define TSL2X7X_CNTL_WAIT_TMR_ENBL 0X08 -#define TSL2X7X_CNTL_PROX_DET_ENBL 0X04 -#define TSL2X7X_CNTL_PWRON 0x01 -#define TSL2X7X_CNTL_ALSPON_ENBL 0x03 -#define TSL2X7X_CNTL_INTALSPON_ENBL 0x13 -#define TSL2X7X_CNTL_PROXPON_ENBL 0x0F -#define TSL2X7X_CNTL_INTPROXPON_ENBL 0x2F +#define TSL2X7X_CNTL_REG_CLEAR 0x00 +#define TSL2X7X_CNTL_PROX_INT_ENBL 0X20 +#define TSL2X7X_CNTL_ALS_INT_ENBL 0X10 +#define TSL2X7X_CNTL_WAIT_TMR_ENBL 0X08 +#define TSL2X7X_CNTL_PROX_DET_ENBL 0X04 +#define TSL2X7X_CNTL_PWRON 0x01 +#define TSL2X7X_CNTL_ALSPON_ENBL 0x03 +#define TSL2X7X_CNTL_INTALSPON_ENBL 0x13 +#define TSL2X7X_CNTL_PROXPON_ENBL 0x0F +#define TSL2X7X_CNTL_INTPROXPON_ENBL 0x2F /*Prox diode to use */ -#define TSL2X7X_DIODE0 0x10 -#define TSL2X7X_DIODE1 0x20 -#define TSL2X7X_DIODE_BOTH 0x30 +#define TSL2X7X_DIODE0 0x10 +#define TSL2X7X_DIODE1 0x20 +#define TSL2X7X_DIODE_BOTH 0x30 /* LED Power */ -#define TSL2X7X_mA100 0x00 -#define TSL2X7X_mA50 0x40 -#define TSL2X7X_mA25 0x80 -#define TSL2X7X_mA13 0xD0 -#define TSL2X7X_MAX_TIMER_CNT (0xFF) +#define TSL2X7X_100_mA 0x00 +#define TSL2X7X_50_mA 0x40 +#define TSL2X7X_25_mA 0x80 +#define TSL2X7X_13_mA 0xD0 +#define TSL2X7X_MAX_TIMER_CNT 0xFF -#define TSL2X7X_MIN_ITIME 3 +#define TSL2X7X_MIN_ITIME 3 /* TAOS txx2x7x Device family members */ enum { @@ -142,11 +142,6 @@ enum { TSL2X7X_CHIP_SUSPENDED = 2 }; -struct tsl2x7x_parse_result { - int integer; - int fract; -}; - /* Per-device data */ struct tsl2x7x_als_info { u16 als_ch0; @@ -174,7 +169,7 @@ struct tsl2X7X_chip { struct i2c_client *client; u16 prox_data; struct tsl2x7x_als_info als_cur_info; - struct tsl2x7x_settings tsl2x7x_settings; + struct tsl2x7x_settings settings; struct tsl2X7X_platform_data *pdata; int als_time_scale; int als_saturation; @@ -192,25 +187,25 @@ struct tsl2X7X_chip { }; /* Different devices require different coefficents */ -static const struct tsl2x7x_lux tsl2x71_lux_table[] = { +static const struct tsl2x7x_lux tsl2x71_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = { { 14461, 611, 1211 }, { 18540, 352, 623 }, { 0, 0, 0 }, }; -static const struct tsl2x7x_lux tmd2x71_lux_table[] = { +static const struct tsl2x7x_lux tmd2x71_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = { { 11635, 115, 256 }, { 15536, 87, 179 }, { 0, 0, 0 }, }; -static const struct tsl2x7x_lux tsl2x72_lux_table[] = { +static const struct tsl2x7x_lux tsl2x72_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = { { 14013, 466, 917 }, { 18222, 310, 552 }, { 0, 0, 0 }, }; -static const struct tsl2x7x_lux tmd2x72_lux_table[] = { +static const struct tsl2x7x_lux tmd2x72_lux_table[TSL2X7X_DEF_LUX_TABLE_SZ] = { { 13218, 130, 262 }, { 17592, 92, 169 }, { 0, 0, 0 }, @@ -248,14 +243,14 @@ static const struct tsl2x7x_settings tsl2x7x_default_settings = { .prox_pulse_count = 8 }; -static const s16 tsl2X7X_als_gainadj[] = { +static const s16 tsl2x7x_als_gain[] = { 1, 8, 16, 120 }; -static const s16 tsl2X7X_prx_gainadj[] = { +static const s16 tsl2x7x_prx_gain[] = { 1, 2, 4, @@ -353,9 +348,9 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) /* clear any existing interrupt status */ ret = i2c_smbus_write_byte(chip->client, - (TSL2X7X_CMD_REG | + TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN | - TSL2X7X_CMD_ALS_INT_CLR)); + TSL2X7X_CMD_ALS_INT_CLR); if (ret < 0) { dev_err(&chip->client->dev, "i2c_write_command failed - err = %d\n", ret); @@ -369,7 +364,7 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) chip->als_cur_info.als_ch0 = ch0; chip->als_cur_info.als_ch1 = ch1; - if ((ch0 >= chip->als_saturation) || (ch1 >= chip->als_saturation)) { + if (ch0 >= chip->als_saturation || ch1 >= chip->als_saturation) { lux = TSL2X7X_LUX_CALC_OVER_FLOW; goto return_max; } @@ -389,11 +384,10 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) if (p->ratio == 0) { lux = 0; } else { - ch0lux = DIV_ROUND_UP(ch0 * p->ch0, - tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]); - ch1lux = DIV_ROUND_UP(ch1 * p->ch1, - tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]); - lux = ch0lux - ch1lux; + lux = DIV_ROUND_UP(ch0 * p->ch0, + tsl2x7x_als_gain[chip->settings.als_gain]) - + DIV_ROUND_UP(ch1 * p->ch1, + tsl2x7x_als_gain[chip->settings.als_gain]); } /* note: lux is 31 bit max at this point */ @@ -419,7 +413,7 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) */ lux64 = lux; - lux64 = lux64 * chip->tsl2x7x_settings.als_gain_trim; + lux64 = lux64 * chip->settings.als_gain_trim; lux64 >>= 8; lux = lux64; lux = (lux + 500) / 1000; @@ -472,7 +466,7 @@ static int tsl2x7x_get_prox(struct iio_dev *indio_dev) case tmd2771: if (!(ret & TSL2X7X_STA_ADC_VALID)) goto prox_poll_err; - break; + break; case tsl2572: case tsl2672: case tmd2672: @@ -480,7 +474,7 @@ static int tsl2x7x_get_prox(struct iio_dev *indio_dev) case tmd2772: if (!(ret & TSL2X7X_STA_PRX_VALID)) goto prox_poll_err; - break; + break; } for (i = 0; i < 2; i++) { @@ -514,12 +508,10 @@ static void tsl2x7x_defaults(struct tsl2X7X_chip *chip) { /* If Operational settings defined elsewhere.. */ if (chip->pdata && chip->pdata->platform_default_settings) - memcpy(&chip->tsl2x7x_settings, - chip->pdata->platform_default_settings, + memcpy(&chip->settings, chip->pdata->platform_default_settings, sizeof(tsl2x7x_default_settings)); else - memcpy(&chip->tsl2x7x_settings, - &tsl2x7x_default_settings, + memcpy(&chip->settings, &tsl2x7x_default_settings, sizeof(tsl2x7x_default_settings)); /* Load up the proper lux table. */ @@ -529,8 +521,8 @@ static void tsl2x7x_defaults(struct tsl2X7X_chip *chip) sizeof(chip->pdata->platform_lux_table)); else memcpy(chip->tsl2x7x_device_lux, - (struct tsl2x7x_lux *)tsl2x7x_default_lux_table_group[chip->id], - MAX_DEFAULT_TABLE_BYTES); + tsl2x7x_default_lux_table_group[chip->id], + TSL2X7X_DEFAULT_TABLE_BYTES); } /** @@ -542,9 +534,7 @@ static void tsl2x7x_defaults(struct tsl2X7X_chip *chip) static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); - int gain_trim_val; - int ret; - int lux_val; + int ret, lux_val; ret = i2c_smbus_read_byte_data(chip->client, TSL2X7X_CMD_REG | TSL2X7X_CNTRL); @@ -575,16 +565,16 @@ static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev) return lux_val; } - gain_trim_val = ((chip->tsl2x7x_settings.als_cal_target) - * chip->tsl2x7x_settings.als_gain_trim) / lux_val; - if ((gain_trim_val < 250) || (gain_trim_val > 4000)) + ret = (chip->settings.als_cal_target * chip->settings.als_gain_trim) / + lux_val; + if (ret < 250 || ret > 4000) return -ERANGE; - chip->tsl2x7x_settings.als_gain_trim = gain_trim_val; + chip->settings.als_gain_trim = ret; dev_info(&chip->client->dev, "%s als_calibrate completed\n", chip->client->name); - return (int)gain_trim_val; + return ret; } static int tsl2x7x_chip_on(struct iio_dev *indio_dev) @@ -602,34 +592,30 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) chip->pdata->power_on(indio_dev); /* Non calculated parameters */ - chip->tsl2x7x_config[TSL2X7X_PRX_TIME] = - chip->tsl2x7x_settings.prx_time; - chip->tsl2x7x_config[TSL2X7X_WAIT_TIME] = - chip->tsl2x7x_settings.wait_time; - chip->tsl2x7x_config[TSL2X7X_PRX_CONFIG] = - chip->tsl2x7x_settings.prox_config; + chip->tsl2x7x_config[TSL2X7X_PRX_TIME] = chip->settings.prx_time; + chip->tsl2x7x_config[TSL2X7X_WAIT_TIME] = chip->settings.wait_time; + chip->tsl2x7x_config[TSL2X7X_PRX_CONFIG] = chip->settings.prox_config; chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHLO] = - (chip->tsl2x7x_settings.als_thresh_low) & 0xFF; + (chip->settings.als_thresh_low) & 0xFF; chip->tsl2x7x_config[TSL2X7X_ALS_MINTHRESHHI] = - (chip->tsl2x7x_settings.als_thresh_low >> 8) & 0xFF; + (chip->settings.als_thresh_low >> 8) & 0xFF; chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHLO] = - (chip->tsl2x7x_settings.als_thresh_high) & 0xFF; + (chip->settings.als_thresh_high) & 0xFF; chip->tsl2x7x_config[TSL2X7X_ALS_MAXTHRESHHI] = - (chip->tsl2x7x_settings.als_thresh_high >> 8) & 0xFF; - chip->tsl2x7x_config[TSL2X7X_PERSISTENCE] = - chip->tsl2x7x_settings.persistence; + (chip->settings.als_thresh_high >> 8) & 0xFF; + chip->tsl2x7x_config[TSL2X7X_PERSISTENCE] = chip->settings.persistence; chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] = - chip->tsl2x7x_settings.prox_pulse_count; + chip->settings.prox_pulse_count; chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] = - (chip->tsl2x7x_settings.prox_thres_low) & 0xFF; + (chip->settings.prox_thres_low) & 0xFF; chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] = - (chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF; + (chip->settings.prox_thres_low >> 8) & 0xFF; chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] = - (chip->tsl2x7x_settings.prox_thres_high) & 0xFF; + (chip->settings.prox_thres_high) & 0xFF; chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] = - (chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF; + (chip->settings.prox_thres_high >> 8) & 0xFF; /* and make sure we're not already on */ if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) { @@ -639,7 +625,7 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) } /* determine als integration register */ - als_count = (chip->tsl2x7x_settings.als_time * 100 + 135) / 270; + als_count = (chip->settings.als_time * 100 + 135) / 270; if (!als_count) als_count = 1; /* ensure at least one cycle */ @@ -649,9 +635,9 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) /* Set the gain based on tsl2x7x_settings struct */ chip->tsl2x7x_config[TSL2X7X_GAIN] = - chip->tsl2x7x_settings.als_gain | - (TSL2X7X_mA100 | TSL2X7X_DIODE1) - | ((chip->tsl2x7x_settings.prox_gain) << 2); + chip->settings.als_gain | + (TSL2X7X_100_mA | TSL2X7X_DIODE1) | + (chip->settings.prox_gain << 2); /* set chip struct re scaling and saturation */ chip->als_saturation = als_count * 922; /* 90% of full scale */ @@ -706,18 +692,18 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) chip->tsl2x7x_chip_status = TSL2X7X_CHIP_WORKING; - if (chip->tsl2x7x_settings.interrupts_en != 0) { + if (chip->settings.interrupts_en != 0) { dev_info(&chip->client->dev, "Setting Up Interrupt(s)\n"); reg_val = TSL2X7X_CNTL_PWR_ON | TSL2X7X_CNTL_ADC_ENBL; - if ((chip->tsl2x7x_settings.interrupts_en == 0x20) || - (chip->tsl2x7x_settings.interrupts_en == 0x30)) + if (chip->settings.interrupts_en == 0x20 || + chip->settings.interrupts_en == 0x30) reg_val |= TSL2X7X_CNTL_PROX_DET_ENBL; - reg_val |= chip->tsl2x7x_settings.interrupts_en; + reg_val |= chip->settings.interrupts_en; ret = i2c_smbus_write_byte_data(chip->client, - (TSL2X7X_CMD_REG | - TSL2X7X_CNTRL), reg_val); + TSL2X7X_CMD_REG | TSL2X7X_CNTRL, + reg_val); if (ret < 0) dev_err(&chip->client->dev, "%s: failed in tsl2x7x_IOCTL_INT_SET.\n", @@ -766,8 +752,7 @@ static int tsl2x7x_chip_off(struct iio_dev *indio_dev) * put device back into proper state, and unlock * resource. */ -static -int tsl2x7x_invoke_change(struct iio_dev *indio_dev) +static int tsl2x7x_invoke_change(struct iio_dev *indio_dev) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); int device_status = chip->tsl2x7x_chip_status; @@ -791,9 +776,8 @@ unlock: return ret; } -static -void tsl2x7x_prox_calculate(int *data, int length, - struct tsl2x7x_prox_stat *statP) +static void tsl2x7x_prox_calculate(int *data, int length, + struct tsl2x7x_prox_stat *statP) { int i; int sample_sum; @@ -837,25 +821,25 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev) u8 tmp_irq_settings; u8 current_state = chip->tsl2x7x_chip_status; - if (chip->tsl2x7x_settings.prox_max_samples_cal > MAX_SAMPLES_CAL) { + if (chip->settings.prox_max_samples_cal > MAX_SAMPLES_CAL) { dev_err(&chip->client->dev, "max prox samples cal is too big: %d\n", - chip->tsl2x7x_settings.prox_max_samples_cal); - chip->tsl2x7x_settings.prox_max_samples_cal = MAX_SAMPLES_CAL; + chip->settings.prox_max_samples_cal); + chip->settings.prox_max_samples_cal = MAX_SAMPLES_CAL; } /* have to stop to change settings */ tsl2x7x_chip_off(indio_dev); /* Enable proximity detection save just in case prox not wanted yet*/ - tmp_irq_settings = chip->tsl2x7x_settings.interrupts_en; - chip->tsl2x7x_settings.interrupts_en |= TSL2X7X_CNTL_PROX_INT_ENBL; + tmp_irq_settings = chip->settings.interrupts_en; + chip->settings.interrupts_en |= TSL2X7X_CNTL_PROX_INT_ENBL; /*turn on device if not already on*/ tsl2x7x_chip_on(indio_dev); /*gather the samples*/ - for (i = 0; i < chip->tsl2x7x_settings.prox_max_samples_cal; i++) { + for (i = 0; i < chip->settings.prox_max_samples_cal; i++) { usleep_range(15000, 17500); tsl2x7x_get_prox(indio_dev); prox_history[i] = chip->prox_data; @@ -866,25 +850,25 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev) tsl2x7x_chip_off(indio_dev); calP = &prox_stat_data[PROX_STAT_CAL]; tsl2x7x_prox_calculate(prox_history, - chip->tsl2x7x_settings.prox_max_samples_cal, - calP); - chip->tsl2x7x_settings.prox_thres_high = (calP->max << 1) - calP->mean; + chip->settings.prox_max_samples_cal, calP); + chip->settings.prox_thres_high = (calP->max << 1) - calP->mean; dev_info(&chip->client->dev, " cal min=%d mean=%d max=%d\n", calP->min, calP->mean, calP->max); dev_info(&chip->client->dev, "%s proximity threshold set to %d\n", - chip->client->name, chip->tsl2x7x_settings.prox_thres_high); + chip->client->name, chip->settings.prox_thres_high); /* back to the way they were */ - chip->tsl2x7x_settings.interrupts_en = tmp_irq_settings; + chip->settings.interrupts_en = tmp_irq_settings; if (current_state == TSL2X7X_CHIP_WORKING) tsl2x7x_chip_on(indio_dev); } -static ssize_t in_illuminance0_calibscale_available_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t +in_illuminance0_calibscale_available_show(struct device *dev, + struct device_attribute *attr, + char *buf) { struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); @@ -900,69 +884,23 @@ static ssize_t in_illuminance0_calibscale_available_show(struct device *dev, return snprintf(buf, PAGE_SIZE, "%s\n", "1 8 16 120"); } -static ssize_t in_proximity0_calibscale_available_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", "1 2 4 8"); -} - -static ssize_t in_illuminance0_integration_time_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); - int y, z; - - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - y /= 1000; - z %= 1000; - - return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); -} - -static ssize_t in_illuminance0_integration_time_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct tsl2X7X_chip *chip = iio_priv(indio_dev); - struct tsl2x7x_parse_result result; - int ret; - - ret = iio_str_to_fixpoint(buf, 100, &result.integer, &result.fract); - if (ret) - return ret; - - result.fract /= 3; - chip->tsl2x7x_settings.als_time = - TSL2X7X_MAX_TIMER_CNT - (u8)result.fract; - - dev_info(&chip->client->dev, "%s: als time = %d", - __func__, chip->tsl2x7x_settings.als_time); - - tsl2x7x_invoke_change(indio_dev); - - return IIO_VAL_INT_PLUS_MICRO; -} +static IIO_CONST_ATTR(in_proximity0_calibscale_available, "1 2 4 8"); static IIO_CONST_ATTR(in_illuminance0_integration_time_available, ".00272 - .696"); static ssize_t in_illuminance0_target_input_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); - return snprintf(buf, PAGE_SIZE, "%d\n", - chip->tsl2x7x_settings.als_cal_target); + return snprintf(buf, PAGE_SIZE, "%d\n", chip->settings.als_cal_target); } static ssize_t in_illuminance0_target_input_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct tsl2X7X_chip *chip = iio_priv(indio_dev); @@ -973,7 +911,7 @@ static ssize_t in_illuminance0_target_input_store(struct device *dev, return -EINVAL; if (value) - chip->tsl2x7x_settings.als_cal_target = value; + chip->settings.als_cal_target = value; ret = tsl2x7x_invoke_change(indio_dev); if (ret < 0) @@ -982,111 +920,9 @@ static ssize_t in_illuminance0_target_input_store(struct device *dev, return len; } -/* persistence settings */ -static ssize_t in_intensity0_thresh_period_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); - int y, z, filter_delay; - - /* Determine integration time */ - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - filter_delay = z * (chip->tsl2x7x_settings.persistence & 0x0F); - y = filter_delay / 1000; - z = filter_delay % 1000; - - return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); -} - -static ssize_t in_intensity0_thresh_period_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct tsl2X7X_chip *chip = iio_priv(indio_dev); - struct tsl2x7x_parse_result result; - int y, z, filter_delay; - int ret; - - ret = iio_str_to_fixpoint(buf, 100, &result.integer, &result.fract); - if (ret) - return ret; - - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.als_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - - filter_delay = - DIV_ROUND_UP((result.integer * 1000) + result.fract, z); - - chip->tsl2x7x_settings.persistence &= 0xF0; - chip->tsl2x7x_settings.persistence |= (filter_delay & 0x0F); - - dev_info(&chip->client->dev, "%s: als persistence = %d", - __func__, filter_delay); - - ret = tsl2x7x_invoke_change(indio_dev); - if (ret < 0) - return ret; - - return IIO_VAL_INT_PLUS_MICRO; -} - -static ssize_t in_proximity0_thresh_period_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); - int y, z, filter_delay; - - /* Determine integration time */ - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.prx_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - filter_delay = z * ((chip->tsl2x7x_settings.persistence & 0xF0) >> 4); - y = filter_delay / 1000; - z = filter_delay % 1000; - - return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); -} - -static ssize_t in_proximity0_thresh_period_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct tsl2X7X_chip *chip = iio_priv(indio_dev); - struct tsl2x7x_parse_result result; - int y, z, filter_delay; - int ret; - - ret = iio_str_to_fixpoint(buf, 100, &result.integer, &result.fract); - if (ret) - return ret; - - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->tsl2x7x_settings.prx_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - - filter_delay = - DIV_ROUND_UP((result.integer * 1000) + result.fract, z); - - chip->tsl2x7x_settings.persistence &= 0x0F; - chip->tsl2x7x_settings.persistence |= ((filter_delay << 4) & 0xF0); - - dev_info(&chip->client->dev, "%s: prox persistence = %d", - __func__, filter_delay); - - ret = tsl2x7x_invoke_change(indio_dev); - if (ret < 0) - return ret; - - - return IIO_VAL_INT_PLUS_MICRO; -} - static ssize_t in_illuminance0_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); bool value; @@ -1106,14 +942,14 @@ static ssize_t in_illuminance0_calibrate_store(struct device *dev, } static ssize_t in_illuminance0_lux_table_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); int i = 0; int offset = 0; - while (i < (TSL2X7X_MAX_LUX_TABLE_SIZE * 3)) { + while (i < TSL2X7X_MAX_LUX_TABLE_SIZE) { offset += snprintf(buf + offset, PAGE_SIZE, "%u,%u,%u,", chip->tsl2x7x_device_lux[i].ratio, chip->tsl2x7x_device_lux[i].ch0, @@ -1134,8 +970,8 @@ static ssize_t in_illuminance0_lux_table_show(struct device *dev, } static ssize_t in_illuminance0_lux_table_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct tsl2X7X_chip *chip = iio_priv(indio_dev); @@ -1176,8 +1012,8 @@ static ssize_t in_illuminance0_lux_table_store(struct device *dev, } static ssize_t in_proximity0_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); bool value; @@ -1205,9 +1041,9 @@ static int tsl2x7x_read_interrupt_config(struct iio_dev *indio_dev, int ret; if (chan->type == IIO_INTENSITY) - ret = !!(chip->tsl2x7x_settings.interrupts_en & 0x10); + ret = !!(chip->settings.interrupts_en & 0x10); else - ret = !!(chip->tsl2x7x_settings.interrupts_en & 0x20); + ret = !!(chip->settings.interrupts_en & 0x20); return ret; } @@ -1223,14 +1059,14 @@ static int tsl2x7x_write_interrupt_config(struct iio_dev *indio_dev, if (chan->type == IIO_INTENSITY) { if (val) - chip->tsl2x7x_settings.interrupts_en |= 0x10; + chip->settings.interrupts_en |= 0x10; else - chip->tsl2x7x_settings.interrupts_en &= 0x20; + chip->settings.interrupts_en &= 0x20; } else { if (val) - chip->tsl2x7x_settings.interrupts_en |= 0x20; + chip->settings.interrupts_en |= 0x20; else - chip->tsl2x7x_settings.interrupts_en &= 0x10; + chip->settings.interrupts_en &= 0x10; } ret = tsl2x7x_invoke_change(indio_dev); @@ -1248,18 +1084,19 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev, int val, int val2) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); - int ret = -EINVAL; + int ret = -EINVAL, y, z, filter_delay; + u8 time; switch (info) { case IIO_EV_INFO_VALUE: if (chan->type == IIO_INTENSITY) { switch (dir) { case IIO_EV_DIR_RISING: - chip->tsl2x7x_settings.als_thresh_high = val; + chip->settings.als_thresh_high = val; ret = 0; break; case IIO_EV_DIR_FALLING: - chip->tsl2x7x_settings.als_thresh_low = val; + chip->settings.als_thresh_low = val; ret = 0; break; default: @@ -1268,11 +1105,11 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev, } else { switch (dir) { case IIO_EV_DIR_RISING: - chip->tsl2x7x_settings.prox_thres_high = val; + chip->settings.prox_thres_high = val; ret = 0; break; case IIO_EV_DIR_FALLING: - chip->tsl2x7x_settings.prox_thres_low = val; + chip->settings.prox_thres_low = val; ret = 0; break; default: @@ -1280,6 +1117,33 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev, } } break; + case IIO_EV_INFO_PERIOD: + if (chan->type == IIO_INTENSITY) + time = chip->settings.als_time; + else + time = chip->settings.prx_time; + + y = (TSL2X7X_MAX_TIMER_CNT - time) + 1; + z = y * TSL2X7X_MIN_ITIME; + + filter_delay = DIV_ROUND_UP((val * 1000) + val2, z); + + if (chan->type == IIO_INTENSITY) { + chip->settings.persistence &= 0xF0; + chip->settings.persistence |= + (filter_delay & 0x0F); + dev_info(&chip->client->dev, "%s: ALS persistence = %d", + __func__, filter_delay); + } else { + chip->settings.persistence &= 0x0F; + chip->settings.persistence |= + ((filter_delay << 4) & 0xF0); + dev_info(&chip->client->dev, + "%s: Proximity persistence = %d", + __func__, filter_delay); + } + ret = 0; + break; default: break; } @@ -1298,18 +1162,19 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev, int *val, int *val2) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); - int ret = -EINVAL; + int ret = -EINVAL, filter_delay, mult; + u8 time; switch (info) { case IIO_EV_INFO_VALUE: if (chan->type == IIO_INTENSITY) { switch (dir) { case IIO_EV_DIR_RISING: - *val = chip->tsl2x7x_settings.als_thresh_high; + *val = chip->settings.als_thresh_high; ret = IIO_VAL_INT; break; case IIO_EV_DIR_FALLING: - *val = chip->tsl2x7x_settings.als_thresh_low; + *val = chip->settings.als_thresh_low; ret = IIO_VAL_INT; break; default: @@ -1318,11 +1183,11 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev, } else { switch (dir) { case IIO_EV_DIR_RISING: - *val = chip->tsl2x7x_settings.prox_thres_high; + *val = chip->settings.prox_thres_high; ret = IIO_VAL_INT; break; case IIO_EV_DIR_FALLING: - *val = chip->tsl2x7x_settings.prox_thres_low; + *val = chip->settings.prox_thres_low; ret = IIO_VAL_INT; break; default: @@ -1330,6 +1195,23 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev, } } break; + case IIO_EV_INFO_PERIOD: + if (chan->type == IIO_INTENSITY) { + time = chip->settings.als_time; + mult = chip->settings.persistence & 0x0F; + } else { + time = chip->settings.prx_time; + mult = (chip->settings.persistence & 0xF0) >> 4; + } + + /* Determine integration time */ + *val = (TSL2X7X_MAX_TIMER_CNT - time) + 1; + *val2 = *val * TSL2X7X_MIN_ITIME; + filter_delay = *val2 * mult; + *val = filter_delay / 1000; + *val2 = filter_delay % 1000; + ret = IIO_VAL_INT_PLUS_MICRO; + break; default: break; } @@ -1379,18 +1261,20 @@ static int tsl2x7x_read_raw(struct iio_dev *indio_dev, break; case IIO_CHAN_INFO_CALIBSCALE: if (chan->type == IIO_LIGHT) - *val = - tsl2X7X_als_gainadj[chip->tsl2x7x_settings.als_gain]; + *val = tsl2x7x_als_gain[chip->settings.als_gain]; else - *val = - tsl2X7X_prx_gainadj[chip->tsl2x7x_settings.prox_gain]; + *val = tsl2x7x_prx_gain[chip->settings.prox_gain]; ret = IIO_VAL_INT; break; case IIO_CHAN_INFO_CALIBBIAS: - *val = chip->tsl2x7x_settings.als_gain_trim; + *val = chip->settings.als_gain_trim; ret = IIO_VAL_INT; break; - + case IIO_CHAN_INFO_INT_TIME: + *val = (TSL2X7X_MAX_TIMER_CNT - chip->settings.als_time) + 1; + *val2 = ((*val * TSL2X7X_MIN_ITIME) % 1000) / 1000; + ret = IIO_VAL_INT_PLUS_MICRO; + break; default: ret = -EINVAL; } @@ -1411,13 +1295,13 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, if (chan->type == IIO_INTENSITY) { switch (val) { case 1: - chip->tsl2x7x_settings.als_gain = 0; + chip->settings.als_gain = 0; break; case 8: - chip->tsl2x7x_settings.als_gain = 1; + chip->settings.als_gain = 1; break; case 16: - chip->tsl2x7x_settings.als_gain = 2; + chip->settings.als_gain = 2; break; case 120: switch (chip->id) { @@ -1428,7 +1312,7 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, case tmd2772: return -EINVAL; } - chip->tsl2x7x_settings.als_gain = 3; + chip->settings.als_gain = 3; break; case 128: switch (chip->id) { @@ -1439,7 +1323,7 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, case tmd2771: return -EINVAL; } - chip->tsl2x7x_settings.als_gain = 3; + chip->settings.als_gain = 3; break; default: return -EINVAL; @@ -1447,16 +1331,16 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, } else { switch (val) { case 1: - chip->tsl2x7x_settings.prox_gain = 0; + chip->settings.prox_gain = 0; break; case 2: - chip->tsl2x7x_settings.prox_gain = 1; + chip->settings.prox_gain = 1; break; case 4: - chip->tsl2x7x_settings.prox_gain = 2; + chip->settings.prox_gain = 2; break; case 8: - chip->tsl2x7x_settings.prox_gain = 3; + chip->settings.prox_gain = 3; break; default: return -EINVAL; @@ -1464,9 +1348,15 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, } break; case IIO_CHAN_INFO_CALIBBIAS: - chip->tsl2x7x_settings.als_gain_trim = val; + chip->settings.als_gain_trim = val; break; + case IIO_CHAN_INFO_INT_TIME: + chip->settings.als_time = + TSL2X7X_MAX_TIMER_CNT - (val2 / TSL2X7X_MIN_ITIME); + dev_info(&chip->client->dev, "%s: als time = %d", + __func__, chip->settings.als_time); + break; default: return -EINVAL; } @@ -1474,12 +1364,8 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, return tsl2x7x_invoke_change(indio_dev); } -static DEVICE_ATTR_RO(in_proximity0_calibscale_available); - static DEVICE_ATTR_RO(in_illuminance0_calibscale_available); -static DEVICE_ATTR_RW(in_illuminance0_integration_time); - static DEVICE_ATTR_RW(in_illuminance0_target_input); static DEVICE_ATTR_WO(in_illuminance0_calibrate); @@ -1488,10 +1374,6 @@ static DEVICE_ATTR_WO(in_proximity0_calibrate); static DEVICE_ATTR_RW(in_illuminance0_lux_table); -static DEVICE_ATTR_RW(in_intensity0_thresh_period); - -static DEVICE_ATTR_RW(in_proximity0_thresh_period); - /* Use the default register values to identify the Taos device */ static int tsl2x7x_device_id(int *id, int target) { @@ -1559,7 +1441,6 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private) static struct attribute *tsl2x7x_ALS_device_attrs[] = { &dev_attr_in_illuminance0_calibscale_available.attr, - &dev_attr_in_illuminance0_integration_time.attr, &iio_const_attr_in_illuminance0_integration_time_available.dev_attr.attr, &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, @@ -1574,49 +1455,31 @@ static struct attribute *tsl2x7x_PRX_device_attrs[] = { static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { &dev_attr_in_illuminance0_calibscale_available.attr, - &dev_attr_in_illuminance0_integration_time.attr, &iio_const_attr_in_illuminance0_integration_time_available.dev_attr.attr, &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, - &dev_attr_in_proximity0_calibrate.attr, + &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; static struct attribute *tsl2x7x_PRX2_device_attrs[] = { &dev_attr_in_proximity0_calibrate.attr, - &dev_attr_in_proximity0_calibscale_available.attr, + &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; static struct attribute *tsl2x7x_ALSPRX2_device_attrs[] = { &dev_attr_in_illuminance0_calibscale_available.attr, - &dev_attr_in_illuminance0_integration_time.attr, &iio_const_attr_in_illuminance0_integration_time_available.dev_attr.attr, &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, &dev_attr_in_proximity0_calibrate.attr, - &dev_attr_in_proximity0_calibscale_available.attr, + &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; -static struct attribute *tsl2X7X_ALS_event_attrs[] = { - &dev_attr_in_intensity0_thresh_period.attr, - NULL, -}; - -static struct attribute *tsl2X7X_PRX_event_attrs[] = { - &dev_attr_in_proximity0_thresh_period.attr, - NULL, -}; - -static struct attribute *tsl2X7X_ALSPRX_event_attrs[] = { - &dev_attr_in_intensity0_thresh_period.attr, - &dev_attr_in_proximity0_thresh_period.attr, - NULL, -}; - static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = { [ALS] = { .attrs = tsl2x7x_ALS_device_attrs, @@ -1635,26 +1498,9 @@ static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = { }, }; -static const struct attribute_group tsl2X7X_event_attr_group_tbl[] = { - [ALS] = { - .attrs = tsl2X7X_ALS_event_attrs, - .name = "events", - }, - [PRX] = { - .attrs = tsl2X7X_PRX_event_attrs, - .name = "events", - }, - [ALSPRX] = { - .attrs = tsl2X7X_ALSPRX_event_attrs, - .name = "events", - }, -}; - static const struct iio_info tsl2X7X_device_info[] = { [ALS] = { .attrs = &tsl2X7X_device_attr_group_tbl[ALS], - .event_attrs = &tsl2X7X_event_attr_group_tbl[ALS], - .driver_module = THIS_MODULE, .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1664,8 +1510,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [PRX] = { .attrs = &tsl2X7X_device_attr_group_tbl[PRX], - .event_attrs = &tsl2X7X_event_attr_group_tbl[PRX], - .driver_module = THIS_MODULE, .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1675,8 +1519,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [ALSPRX] = { .attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX], - .event_attrs = &tsl2X7X_event_attr_group_tbl[ALSPRX], - .driver_module = THIS_MODULE, .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1686,8 +1528,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [PRX2] = { .attrs = &tsl2X7X_device_attr_group_tbl[PRX2], - .event_attrs = &tsl2X7X_event_attr_group_tbl[PRX], - .driver_module = THIS_MODULE, .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1697,8 +1537,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [ALSPRX2] = { .attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX2], - .event_attrs = &tsl2X7X_event_attr_group_tbl[ALSPRX], - .driver_module = THIS_MODULE, .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1719,6 +1557,10 @@ static const struct iio_event_spec tsl2x7x_events[] = { .dir = IIO_EV_DIR_FALLING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), + }, { + .type = IIO_EV_TYPE_THRESH, + .dir = IIO_EV_DIR_EITHER, + .mask_separate = BIT(IIO_EV_INFO_PERIOD), }, }; @@ -1729,7 +1571,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .type = IIO_LIGHT, .indexed = 1, .channel = 0, - .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_INT_TIME), }, { .type = IIO_INTENSITY, .indexed = 1, @@ -1768,7 +1611,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .type = IIO_LIGHT, .indexed = 1, .channel = 0, - .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_INT_TIME), }, { .type = IIO_INTENSITY, .indexed = 1, @@ -1816,7 +1660,8 @@ static const struct tsl2x7x_chip_info tsl2x7x_chip_info_tbl[] = { .type = IIO_LIGHT, .indexed = 1, .channel = 0, - .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), + .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) | + BIT(IIO_CHAN_INFO_INT_TIME), }, { .type = IIO_INTENSITY, .indexed = 1, @@ -1874,7 +1719,7 @@ static int tsl2x7x_probe(struct i2c_client *clientp, return -EINVAL; } - ret = i2c_smbus_write_byte(clientp, (TSL2X7X_CMD_REG | TSL2X7X_CNTRL)); + ret = i2c_smbus_write_byte(clientp, TSL2X7X_CMD_REG | TSL2X7X_CNTRL); if (ret < 0) { dev_err(&clientp->dev, "write to cmd reg failed. err = %d\n", ret); @@ -1982,7 +1827,7 @@ static int tsl2x7x_remove(struct i2c_client *client) return 0; } -static struct i2c_device_id tsl2x7x_idtable[] = { +static const struct i2c_device_id tsl2x7x_idtable[] = { { "tsl2571", tsl2571 }, { "tsl2671", tsl2671 }, { "tmd2671", tmd2671 }, diff --git a/drivers/staging/iio/light/tsl2x7x.h b/drivers/staging/iio/light/tsl2x7x.h index ecae92211216..df00f2ec1719 100644 --- a/drivers/staging/iio/light/tsl2x7x.h +++ b/drivers/staging/iio/light/tsl2x7x.h @@ -23,18 +23,19 @@ #define __TSL2X7X_H #include <linux/pm.h> -/* Max number of segments allowable in LUX table */ -#define TSL2X7X_MAX_LUX_TABLE_SIZE 9 -#define MAX_DEFAULT_TABLE_BYTES (sizeof(int) * TSL2X7X_MAX_LUX_TABLE_SIZE) - -struct iio_dev; - struct tsl2x7x_lux { unsigned int ratio; unsigned int ch0; unsigned int ch1; }; +/* Max number of segments allowable in LUX table */ +#define TSL2X7X_MAX_LUX_TABLE_SIZE 9 +/* The default LUX tables all have 3 elements. */ +#define TSL2X7X_DEF_LUX_TABLE_SZ 3 +#define TSL2X7X_DEFAULT_TABLE_BYTES (sizeof(struct tsl2x7x_lux) * \ + TSL2X7X_DEF_LUX_TABLE_SZ) + /** * struct tsl2x7x_default_settings - power on defaults unless * overridden by platform data. diff --git a/drivers/staging/iio/meter/Makefile b/drivers/staging/iio/meter/Makefile index de3863d6b078..19e7982f5563 100644 --- a/drivers/staging/iio/meter/Makefile +++ b/drivers/staging/iio/meter/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for metering ic drivers # diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index ce26abdeab92..c44eb577dc35 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -80,7 +80,7 @@ * @us: actual spi_device * @tx: transmit buffer * @rx: receive buffer - * @buf_lock: mutex to protect tx and rx + * @buf_lock: mutex to protect tx, rx and write frequency **/ struct ade7753_state { struct spi_device *us; @@ -107,6 +107,19 @@ static int ade7753_spi_write_reg_8(struct device *dev, return ret; } +static int __ade7753_spi_write_reg_16(struct device *dev, u8 reg_address, + u16 value) +{ + struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct ade7753_state *st = iio_priv(indio_dev); + + st->tx[0] = ADE7753_WRITE_REG(reg_address); + st->tx[1] = (value >> 8) & 0xFF; + st->tx[2] = value & 0xFF; + + return spi_write(st->us, st->tx, 3); +} + static int ade7753_spi_write_reg_16(struct device *dev, u8 reg_address, u16 value) { @@ -115,10 +128,7 @@ static int ade7753_spi_write_reg_16(struct device *dev, u8 reg_address, struct ade7753_state *st = iio_priv(indio_dev); mutex_lock(&st->buf_lock); - st->tx[0] = ADE7753_WRITE_REG(reg_address); - st->tx[1] = (value >> 8) & 0xFF; - st->tx[2] = value & 0xFF; - ret = spi_write(st->us, st->tx, 3); + ret = __ade7753_spi_write_reg_16(dev, reg_address, value); mutex_unlock(&st->buf_lock); return ret; @@ -483,7 +493,7 @@ static ssize_t ade7753_write_frequency(struct device *dev, if (!val) return -EINVAL; - mutex_lock(&indio_dev->mlock); + mutex_lock(&st->buf_lock); t = 27900 / val; if (t > 0) @@ -501,10 +511,10 @@ static ssize_t ade7753_write_frequency(struct device *dev, reg &= ~(3 << 11); reg |= t << 11; - ret = ade7753_spi_write_reg_16(dev, ADE7753_MODE, reg); + ret = __ade7753_spi_write_reg_16(dev, ADE7753_MODE, reg); out: - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&st->buf_lock); return ret ? ret : len; } @@ -561,7 +571,6 @@ static const struct attribute_group ade7753_attribute_group = { static const struct iio_info ade7753_info = { .attrs = &ade7753_attribute_group, - .driver_module = THIS_MODULE, }; static int ade7753_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index be0df3fe4230..3a1e342d75fb 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -601,7 +601,6 @@ static const struct attribute_group ade7754_attribute_group = { static const struct iio_info ade7754_info = { .attrs = &ade7754_attribute_group, - .driver_module = THIS_MODULE, }; static int ade7754_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c index 40498af4dc46..7b7ffe5ed186 100644 --- a/drivers/staging/iio/meter/ade7758_core.c +++ b/drivers/staging/iio/meter/ade7758_core.c @@ -827,7 +827,6 @@ static const struct iio_info ade7758_info = { .attrs = &ade7758_attribute_group, .read_raw = &ade7758_read_raw, .write_raw = &ade7758_write_raw, - .driver_module = THIS_MODULE, }; static int ade7758_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/meter/ade7758_trigger.c b/drivers/staging/iio/meter/ade7758_trigger.c index 5b35a7f08f4f..1f0d1a0cf889 100644 --- a/drivers/staging/iio/meter/ade7758_trigger.c +++ b/drivers/staging/iio/meter/ade7758_trigger.c @@ -53,7 +53,6 @@ static int ade7758_trig_try_reen(struct iio_trigger *trig) } static const struct iio_trigger_ops ade7758_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = &ade7758_data_rdy_trigger_set_state, .try_reenable = &ade7758_trig_try_reen, }; diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index 02573c517d9d..d99cf508d8d0 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -60,7 +60,7 @@ /** * struct ade7759_state - device instance specific data * @us: actual spi_device - * @buf_lock: mutex to protect tx and rx + * @buf_lock: mutex to protect tx and rx and write frequency * @tx: transmit buffer * @rx: receive buffer **/ @@ -89,19 +89,30 @@ static int ade7759_spi_write_reg_8(struct device *dev, return ret; } -static int ade7759_spi_write_reg_16(struct device *dev, +/*Unlocked version of ade7759_spi_write_reg_16 function */ +static int __ade7759_spi_write_reg_16(struct device *dev, u8 reg_address, u16 value) { - int ret; struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ade7759_state *st = iio_priv(indio_dev); - mutex_lock(&st->buf_lock); st->tx[0] = ADE7759_WRITE_REG(reg_address); st->tx[1] = (value >> 8) & 0xFF; st->tx[2] = value & 0xFF; - ret = spi_write(st->us, st->tx, 3); + return spi_write(st->us, st->tx, 3); +} + +static int ade7759_spi_write_reg_16(struct device *dev, + u8 reg_address, + u16 value) +{ + int ret; + struct iio_dev *indio_dev = dev_to_iio_dev(dev); + struct ade7759_state *st = iio_priv(indio_dev); + + mutex_lock(&st->buf_lock); + ret = __ade7759_spi_write_reg_16(dev, reg_address, value); mutex_unlock(&st->buf_lock); return ret; @@ -429,7 +440,7 @@ static ssize_t ade7759_write_frequency(struct device *dev, if (!val) return -EINVAL; - mutex_lock(&indio_dev->mlock); + mutex_lock(&st->buf_lock); t = 27900 / val; if (t > 0) @@ -447,10 +458,10 @@ static ssize_t ade7759_write_frequency(struct device *dev, reg &= ~(3 << 13); reg |= t << 13; - ret = ade7759_spi_write_reg_16(dev, ADE7759_MODE, reg); + ret = __ade7759_spi_write_reg_16(dev, ADE7759_MODE, reg); out: - mutex_unlock(&indio_dev->mlock); + mutex_unlock(&st->buf_lock); return ret ? ret : len; } @@ -493,7 +504,6 @@ static const struct attribute_group ade7759_attribute_group = { static const struct iio_info ade7759_info = { .attrs = &ade7759_attribute_group, - .driver_module = THIS_MODULE, }; static int ade7759_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c index 70612da64a8b..90d07cdca4b8 100644 --- a/drivers/staging/iio/meter/ade7854.c +++ b/drivers/staging/iio/meter/ade7854.c @@ -530,7 +530,6 @@ static const struct attribute_group ade7854_attribute_group = { static const struct iio_info ade7854_info = { .attrs = &ade7854_attribute_group, - .driver_module = THIS_MODULE, }; int ade7854_probe(struct iio_dev *indio_dev, struct device *dev) diff --git a/drivers/staging/iio/meter/ade7854.h b/drivers/staging/iio/meter/ade7854.h index dbd97def9cd8..c27247a7891a 100644 --- a/drivers/staging/iio/meter/ade7854.h +++ b/drivers/staging/iio/meter/ade7854.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ADE7854_H #define _ADE7854_H diff --git a/drivers/staging/iio/meter/meter.h b/drivers/staging/iio/meter/meter.h index 0e37f23853f1..edf26302fa57 100644 --- a/drivers/staging/iio/meter/meter.h +++ b/drivers/staging/iio/meter/meter.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _METER_H #define _METER_H diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c index a37e199225f4..aa62c64e9bc4 100644 --- a/drivers/staging/iio/resolver/ad2s1200.c +++ b/drivers/staging/iio/resolver/ad2s1200.c @@ -98,7 +98,6 @@ static const struct iio_chan_spec ad2s1200_channels[] = { static const struct iio_info ad2s1200_info = { .read_raw = ad2s1200_read_raw, - .driver_module = THIS_MODULE, }; static int ad2s1200_probe(struct spi_device *spi) diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c index 3e00df74b18c..f8baab061eba 100644 --- a/drivers/staging/iio/resolver/ad2s1210.c +++ b/drivers/staging/iio/resolver/ad2s1210.c @@ -638,7 +638,6 @@ error_ret: static const struct iio_info ad2s1210_info = { .read_raw = ad2s1210_read_raw, .attrs = &ad2s1210_attribute_group, - .driver_module = THIS_MODULE, }; static int ad2s1210_setup_gpios(struct ad2s1210_state *st) diff --git a/drivers/staging/iio/resolver/ad2s90.c b/drivers/staging/iio/resolver/ad2s90.c index b2270908f26f..59586947a936 100644 --- a/drivers/staging/iio/resolver/ad2s90.c +++ b/drivers/staging/iio/resolver/ad2s90.c @@ -48,7 +48,6 @@ error_ret: static const struct iio_info ad2s90_info = { .read_raw = ad2s90_read_raw, - .driver_module = THIS_MODULE, }; static const struct iio_chan_spec ad2s90_chan = { diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c index 4e0b4eedb53d..d80dcf82eba9 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.c +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.c @@ -172,7 +172,6 @@ static int iio_bfin_tmr_get_number(int irq) } static const struct iio_trigger_ops iio_bfin_tmr_trigger_ops = { - .owner = THIS_MODULE, .set_trigger_state = iio_bfin_tmr_set_state, }; diff --git a/drivers/staging/iio/trigger/iio-trig-bfin-timer.h b/drivers/staging/iio/trigger/iio-trig-bfin-timer.h index c07321f8d94c..fb05a2a8397c 100644 --- a/drivers/staging/iio/trigger/iio-trig-bfin-timer.h +++ b/drivers/staging/iio/trigger/iio-trig-bfin-timer.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IIO_BFIN_TIMER_TRIGGER_H__ #define __IIO_BFIN_TIMER_TRIGGER_H__ diff --git a/drivers/staging/irda/drivers/ali-ircc.c b/drivers/staging/irda/drivers/ali-ircc.c index 35f198d83701..589cd01797f4 100644 --- a/drivers/staging/irda/drivers/ali-ircc.c +++ b/drivers/staging/irda/drivers/ali-ircc.c @@ -1876,8 +1876,7 @@ static int ali_ircc_dma_receive_complete(struct ali_ircc_cb *self) self->stamp = ktime_get(); skb = dev_alloc_skb(len+1); - if (skb == NULL) - { + if (!skb) { self->netdev->stats.rx_dropped++; return FALSE; diff --git a/drivers/staging/irda/drivers/au1k_ir.c b/drivers/staging/irda/drivers/au1k_ir.c index be4ea6aa57a9..73e3e4b041bf 100644 --- a/drivers/staging/irda/drivers/au1k_ir.c +++ b/drivers/staging/irda/drivers/au1k_ir.c @@ -290,8 +290,7 @@ static int au1k_irda_set_speed(struct net_device *dev, int speed) while (irda_read(aup, IR_STATUS) & (IR_RX_STATUS | IR_TX_STATUS)) { msleep(20); if (!timeout--) { - printk(KERN_ERR "%s: rx/tx disable timeout\n", - dev->name); + netdev_err(dev, "rx/tx disable timeout\n"); break; } } @@ -349,7 +348,7 @@ static int au1k_irda_set_speed(struct net_device *dev, int speed) IR_RX_ENABLE); break; default: - printk(KERN_ERR "%s unsupported speed %x\n", dev->name, speed); + netdev_err(dev, "unsupported speed %x\n", speed); ret = -EINVAL; break; } @@ -361,18 +360,18 @@ static int au1k_irda_set_speed(struct net_device *dev, int speed) irda_write(aup, IR_RING_PROMPT, 0); if (control & (1 << 14)) { - printk(KERN_ERR "%s: configuration error\n", dev->name); + netdev_err(dev, "configuration error\n"); } else { if (control & (1 << 11)) - printk(KERN_DEBUG "%s Valid SIR config\n", dev->name); + netdev_debug(dev, "Valid SIR config\n"); if (control & (1 << 12)) - printk(KERN_DEBUG "%s Valid MIR config\n", dev->name); + netdev_debug(dev, "Valid MIR config\n"); if (control & (1 << 13)) - printk(KERN_DEBUG "%s Valid FIR config\n", dev->name); + netdev_debug(dev, "Valid FIR config\n"); if (control & (1 << 10)) - printk(KERN_DEBUG "%s TX enabled\n", dev->name); + netdev_debug(dev, "TX enabled\n"); if (control & (1 << 9)) - printk(KERN_DEBUG "%s RX enabled\n", dev->name); + netdev_debug(dev, "RX enabled\n"); } return ret; @@ -584,23 +583,21 @@ static int au1k_irda_start(struct net_device *dev) retval = au1k_init(dev); if (retval) { - printk(KERN_ERR "%s: error in au1k_init\n", dev->name); + netdev_err(dev, "error in au1k_init\n"); return retval; } retval = request_irq(aup->irq_tx, &au1k_irda_interrupt, 0, dev->name, dev); if (retval) { - printk(KERN_ERR "%s: unable to get IRQ %d\n", - dev->name, dev->irq); + netdev_err(dev, "unable to get IRQ %d\n", dev->irq); return retval; } retval = request_irq(aup->irq_rx, &au1k_irda_interrupt, 0, dev->name, dev); if (retval) { free_irq(aup->irq_tx, dev); - printk(KERN_ERR "%s: unable to get IRQ %d\n", - dev->name, dev->irq); + netdev_err(dev, "unable to get IRQ %d\n", dev->irq); return retval; } @@ -673,12 +670,12 @@ static int au1k_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) flags = ptxd->flags; if (flags & AU_OWN) { - printk(KERN_DEBUG "%s: tx_full\n", dev->name); + netdev_debug(dev, "tx_full\n"); netif_stop_queue(dev); aup->tx_full = 1; return 1; } else if (((aup->tx_head + 1) & (NUM_IR_DESC - 1)) == aup->tx_tail) { - printk(KERN_DEBUG "%s: tx_full\n", dev->name); + netdev_debug(dev, "tx_full\n"); netif_stop_queue(dev); aup->tx_full = 1; return 1; @@ -688,7 +685,7 @@ static int au1k_irda_hard_xmit(struct sk_buff *skb, struct net_device *dev) #if 0 if (irda_read(aup, IR_RX_BYTE_CNT) != 0) { - printk(KERN_DEBUG "tx warning: rx byte cnt %x\n", + netdev_debug(dev, "tx warning: rx byte cnt %x\n", irda_read(aup, IR_RX_BYTE_CNT)); } #endif @@ -726,7 +723,7 @@ static void au1k_tx_timeout(struct net_device *dev) u32 speed; struct au1k_private *aup = netdev_priv(dev); - printk(KERN_ERR "%s: tx timeout\n", dev->name); + netdev_err(dev, "tx timeout\n"); speed = aup->speed; aup->speed = 0; au1k_irda_set_speed(dev, speed); @@ -751,8 +748,7 @@ static int au1k_irda_ioctl(struct net_device *dev, struct ifreq *ifreq, int cmd) ret = au1k_irda_set_speed(dev, rq->ifr_baudrate); else { - printk(KERN_ERR "%s ioctl: !netif_running\n", - dev->name); + netdev_err(dev, "ioctl: !netif_running\n"); ret = 0; } } @@ -868,7 +864,7 @@ out3: out2: kfree(aup->rx_buff.head); out1: - printk(KERN_ERR "au1k_irda_net_init() failed. Returns %d\n", retval); + netdev_err(dev, "au1k_irda_net_init() failed. Returns %d\n"); return retval; } @@ -934,7 +930,7 @@ static int au1k_irda_probe(struct platform_device *pdev) platform_set_drvdata(pdev, dev); - printk(KERN_INFO "IrDA: Registered device %s\n", dev->name); + netdev_info(dev, "IrDA: Registered device\n"); return 0; out4: diff --git a/drivers/staging/irda/drivers/bfin_sir.c b/drivers/staging/irda/drivers/bfin_sir.c index 3151b580dbd6..59e409b68349 100644 --- a/drivers/staging/irda/drivers/bfin_sir.c +++ b/drivers/staging/irda/drivers/bfin_sir.c @@ -22,6 +22,8 @@ static int max_rate = 57600; static int max_rate = 115200; #endif +static void bfin_sir_rx_dma_timeout(struct timer_list *t); + static void turnaround_delay(int mtt) { long ticks; @@ -57,7 +59,7 @@ static void bfin_sir_init_ports(struct bfin_sir_port *sp, struct platform_device sp->clk = get_sclk(); #ifdef CONFIG_SIR_BFIN_DMA sp->tx_done = 1; - init_timer(&(sp->rx_dma_timer)); + timer_setup(&sp->rx_dma_timer, bfin_sir_rx_dma_timeout, 0); #endif } @@ -317,10 +319,12 @@ static void bfin_sir_dma_rx_chars(struct net_device *dev) async_unwrap_char(dev, &self->stats, &self->rx_buff, port->rx_dma_buf.buf[i]); } -void bfin_sir_rx_dma_timeout(struct net_device *dev) +static void bfin_sir_rx_dma_timeout(struct timer_list *t) { + struct bfin_sir_port *port = from_timer(port, t, rx_dma_timer); + struct net_device *dev = port->dev; struct bfin_sir_self *self = netdev_priv(dev); - struct bfin_sir_port *port = self->sir_port; + int x_pos, pos; unsigned long flags; @@ -405,8 +409,6 @@ static int bfin_sir_startup(struct bfin_sir_port *port, struct net_device *dev) set_dma_start_addr(port->rx_dma_channel, (unsigned long)port->rx_dma_buf.buf); enable_dma(port->rx_dma_channel); - port->rx_dma_timer.data = (unsigned long)(dev); - port->rx_dma_timer.function = (void *)bfin_sir_rx_dma_timeout; #else diff --git a/drivers/staging/irda/drivers/esi-sir.c b/drivers/staging/irda/drivers/esi-sir.c index 019a3e848bcb..eb7aa6430bea 100644 --- a/drivers/staging/irda/drivers/esi-sir.c +++ b/drivers/staging/irda/drivers/esi-sir.c @@ -1,5 +1,5 @@ /********************************************************************* - * + * * Filename: esi.c * Version: 1.6 * Description: Driver for the Extended Systems JetEye PC dongle @@ -8,25 +8,25 @@ * Created at: Sat Feb 21 18:54:38 1998 * Modified at: Sun Oct 27 22:01:04 2002 * Modified by: Martin Diehl <mad@mdiehl.de> - * + * * Copyright (c) 1999 Dag Brattli, <dagb@cs.uit.no>, * Copyright (c) 1998 Thomas Davis, <ratbert@radiks.net>, * Copyright (c) 2002 Martin Diehl, <mad@mdiehl.de>, * All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License + * + * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. - * + * ********************************************************************/ #include <linux/module.h> @@ -97,7 +97,7 @@ static int esi_change_speed(struct sir_dev *dev, unsigned speed) { int ret = 0; int dtr, rts; - + switch (speed) { case 19200: dtr = TRUE; diff --git a/drivers/staging/irda/drivers/irda-usb.c b/drivers/staging/irda/drivers/irda-usb.c index 723e49bc4baa..bda6bdc6c70b 100644 --- a/drivers/staging/irda/drivers/irda-usb.c +++ b/drivers/staging/irda/drivers/irda-usb.c @@ -117,7 +117,7 @@ static void irda_usb_close(struct irda_usb_cb *self); static void speed_bulk_callback(struct urb *urb); static void write_bulk_callback(struct urb *urb); static void irda_usb_receive(struct urb *urb); -static void irda_usb_rx_defer_expired(unsigned long data); +static void irda_usb_rx_defer_expired(struct timer_list *t); static int irda_usb_net_open(struct net_device *dev); static int irda_usb_net_close(struct net_device *dev); static int irda_usb_net_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); @@ -334,9 +334,9 @@ static void irda_usb_change_speed_xbofs(struct irda_usb_cb *self) urb->transfer_flags = 0; /* Irq disabled -> GFP_ATOMIC */ - if ((ret = usb_submit_urb(urb, GFP_ATOMIC))) { + ret = usb_submit_urb(urb, GFP_ATOMIC); + if (ret) net_warn_ratelimited("%s(), failed Speed URB\n", __func__); - } } /*------------------------------------------------------------------*/ @@ -846,8 +846,7 @@ static void irda_usb_receive(struct urb *urb) * hot unplug of the dongle... * Lowest effective timer is 10ms... * Jean II */ - self->rx_defer_timer.function = irda_usb_rx_defer_expired; - self->rx_defer_timer.data = (unsigned long) urb; + self->rx_defer_timer_urb = urb; mod_timer(&self->rx_defer_timer, jiffies + msecs_to_jiffies(10)); @@ -953,20 +952,13 @@ done: * In case of errors, we want the USB layer to have time to recover. * Now, it is time to resubmit ouur Rx URB... */ -static void irda_usb_rx_defer_expired(unsigned long data) +static void irda_usb_rx_defer_expired(struct timer_list *t) { - struct urb *urb = (struct urb *) data; + struct irda_usb_cb *self = from_timer(self, t, rx_defer_timer); + struct urb *urb = self->rx_defer_timer_urb; struct sk_buff *skb = (struct sk_buff *) urb->context; - struct irda_usb_cb *self; - struct irda_skb_cb *cb; struct urb *next_urb; - /* Find ourselves */ - cb = (struct irda_skb_cb *) skb->cb; - IRDA_ASSERT(cb != NULL, return;); - self = (struct irda_usb_cb *) cb->context; - IRDA_ASSERT(self != NULL, return;); - /* Same stuff as when Rx is done, see above... */ next_urb = self->idle_rx_urb; urb->context = NULL; @@ -1622,7 +1614,7 @@ static int irda_usb_probe(struct usb_interface *intf, self = netdev_priv(net); self->netdev = net; spin_lock_init(&self->lock); - init_timer(&self->rx_defer_timer); + timer_setup(&self->rx_defer_timer, irda_usb_rx_defer_expired, 0); self->capability = id->driver_info; self->needspatch = ((self->capability & IUC_STIR421X) != 0); diff --git a/drivers/staging/irda/drivers/irda-usb.h b/drivers/staging/irda/drivers/irda-usb.h index 8ac389fa9348..56ee8c16c5e2 100644 --- a/drivers/staging/irda/drivers/irda-usb.h +++ b/drivers/staging/irda/drivers/irda-usb.h @@ -170,5 +170,6 @@ struct irda_usb_cb { int needspatch; /* device needs firmware patch */ struct timer_list rx_defer_timer; /* Wait for Rx error to clear */ + struct urb *rx_defer_timer_urb; /* URB attached to rx_defer_timer */ }; diff --git a/drivers/staging/irda/drivers/mcs7780.c b/drivers/staging/irda/drivers/mcs7780.c index c3f0b254b344..d52e9f4b9770 100644 --- a/drivers/staging/irda/drivers/mcs7780.c +++ b/drivers/staging/irda/drivers/mcs7780.c @@ -605,19 +605,22 @@ static int mcs_speed_change(struct mcs_cb *mcs) if (mcs->new_speed <= 115200) { rval &= ~MCS_FIR; - if ((rst = (mcs->speed > 115200))) + rst = mcs->speed > 115200; + if (rst) mcs_set_reg(mcs, MCS_MINRXPW_REG, 0); } else if (mcs->new_speed <= 1152000) { rval &= ~MCS_FIR; - if ((rst = !(mcs->speed == 576000 || mcs->speed == 1152000))) + rst = !(mcs->speed == 576000 || mcs->speed == 1152000); + if (rst) mcs_set_reg(mcs, MCS_MINRXPW_REG, 5); } else { rval |= MCS_FIR; - if ((rst = (mcs->speed != 4000000))) + rst = mcs->speed != 4000000; + if (rst) mcs_set_reg(mcs, MCS_MINRXPW_REG, 5); } diff --git a/drivers/staging/irda/drivers/vlsi_ir.c b/drivers/staging/irda/drivers/vlsi_ir.c index 6638784c082e..3dff3c55ddf5 100644 --- a/drivers/staging/irda/drivers/vlsi_ir.c +++ b/drivers/staging/irda/drivers/vlsi_ir.c @@ -170,10 +170,10 @@ static void vlsi_proc_pdev(struct seq_file *seq, struct pci_dev *pdev) seq_printf(seq, "pci-power-state: %u\n", (unsigned) pdev->current_state); seq_printf(seq, "resources: irq=%u / io=0x%04x / dma_mask=0x%016Lx\n", pdev->irq, (unsigned)pci_resource_start(pdev, 0), (unsigned long long)pdev->dma_mask); - seq_printf(seq, "hw registers: "); + seq_puts(seq, "hw registers: "); for (i = 0; i < 0x20; i++) seq_printf(seq, "%02x", (unsigned)inb((iobase+i))); - seq_printf(seq, "\n"); + seq_putc(seq, '\n'); } static void vlsi_proc_ndev(struct seq_file *seq, struct net_device *ndev) @@ -193,7 +193,7 @@ static void vlsi_proc_ndev(struct seq_file *seq, struct net_device *ndev) if (!netif_running(ndev)) return; - seq_printf(seq, "\nhw-state:\n"); + seq_puts(seq, "\nhw-state:\n"); pci_read_config_byte(idev->pdev, VLSI_PCI_IRMISC, &byte); seq_printf(seq, "IRMISC:%s%s%s uart%s", (byte&IRMISC_IRRAIL) ? " irrail" : "", @@ -274,7 +274,7 @@ static void vlsi_proc_ndev(struct seq_file *seq, struct net_device *ndev) word = inw(iobase+VLSI_PIO_RCVBCNT) & RCVBCNT_MASK; seq_printf(seq, "RCVBCNT: rx-fifo filling level = %u\n", word); - seq_printf(seq, "\nsw-state:\n"); + seq_puts(seq, "\nsw-state:\n"); seq_printf(seq, "IrPHY setup: %d baud - %s encoding\n", idev->baud, (idev->mode==IFF_SIR)?"SIR":((idev->mode==IFF_MIR)?"MIR":"FIR")); sec = div_s64_rem(ktime_us_delta(ktime_get(), idev->last_rx), @@ -305,10 +305,10 @@ static void vlsi_proc_ring(struct seq_file *seq, struct vlsi_ring *r) t = atomic_read(&r->tail) & r->mask; seq_printf(seq, "head = %d / tail = %d ", h, t); if (h == t) - seq_printf(seq, "(empty)\n"); + seq_puts(seq, "(empty)\n"); else { if (((t+1)&r->mask) == h) - seq_printf(seq, "(full)\n"); + seq_puts(seq, "(full)\n"); else seq_printf(seq, "(level = %d)\n", ((unsigned)(t-h) & r->mask)); rd = &r->rd[h]; @@ -355,13 +355,13 @@ static int vlsi_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "\nPCI controller down - resume_ok = %d\n", idev->resume_ok); if (netif_running(ndev) && idev->rx_ring && idev->tx_ring) { - seq_printf(seq, "\n--------- RX ring -----------\n\n"); + seq_puts(seq, "\n--------- RX ring -----------\n\n"); vlsi_proc_ring(seq, idev->rx_ring); - seq_printf(seq, "\n--------- TX ring -----------\n\n"); + seq_puts(seq, "\n--------- TX ring -----------\n\n"); vlsi_proc_ring(seq, idev->tx_ring); } } - seq_printf(seq, "\n"); + seq_putc(seq, '\n'); spin_unlock_irqrestore(&idev->lock, flags); return 0; diff --git a/drivers/staging/irda/include/net/irda/irlmp_event.h b/drivers/staging/irda/include/net/irda/irlmp_event.h index 9e4ec17a7449..a1a082fe384e 100644 --- a/drivers/staging/irda/include/net/irda/irlmp_event.h +++ b/drivers/staging/irda/include/net/irda/irlmp_event.h @@ -82,9 +82,9 @@ typedef enum { extern const char *const irlmp_state[]; extern const char *const irlsap_state[]; -void irlmp_watchdog_timer_expired(void *data); -void irlmp_discovery_timer_expired(void *data); -void irlmp_idle_timer_expired(void *data); +void irlmp_watchdog_timer_expired(struct timer_list *t); +void irlmp_discovery_timer_expired(struct timer_list *t); +void irlmp_idle_timer_expired(struct timer_list *t); void irlmp_do_lap_event(struct lap_cb *self, IRLMP_EVENT event, struct sk_buff *skb); diff --git a/drivers/staging/irda/include/net/irda/qos.h b/drivers/staging/irda/include/net/irda/qos.h index 05a5a249956f..a0315b50ac27 100644 --- a/drivers/staging/irda/include/net/irda/qos.h +++ b/drivers/staging/irda/include/net/irda/qos.h @@ -58,23 +58,23 @@ #define IR_16000000 0x02 /* Quality of Service information */ -typedef struct { +struct qos_value { __u32 value; __u16 bits; /* LSB is first byte, MSB is second byte */ -} qos_value_t; +}; struct qos_info { magic_t magic; - qos_value_t baud_rate; /* IR_11520O | ... */ - qos_value_t max_turn_time; - qos_value_t data_size; - qos_value_t window_size; - qos_value_t additional_bofs; - qos_value_t min_turn_time; - qos_value_t link_disc_time; + struct qos_value baud_rate; /* IR_11520O | ... */ + struct qos_value max_turn_time; + struct qos_value data_size; + struct qos_value window_size; + struct qos_value additional_bofs; + struct qos_value min_turn_time; + struct qos_value link_disc_time; - qos_value_t power; + struct qos_value power; }; extern int sysctl_max_baud_rate; diff --git a/drivers/staging/irda/include/net/irda/timer.h b/drivers/staging/irda/include/net/irda/timer.h index d784f242cf7b..a6635f0afae9 100644 --- a/drivers/staging/irda/include/net/irda/timer.h +++ b/drivers/staging/irda/include/net/irda/timer.h @@ -72,14 +72,11 @@ struct lap_cb; #define WATCHDOG_TIMEOUT (20*HZ) /* 20 sec */ -typedef void (*TIMER_CALLBACK)(void *); - -static inline void irda_start_timer(struct timer_list *ptimer, int timeout, - void* data, TIMER_CALLBACK callback) +static inline void irda_start_timer(struct timer_list *ptimer, int timeout, + void (*callback)(struct timer_list *)) { - ptimer->function = (void (*)(unsigned long)) callback; - ptimer->data = (unsigned long) data; - + ptimer->function = (TIMER_FUNC_TYPE) callback; + /* Set new value for timer (update or add timer). * We use mod_timer() because it's more efficient and also * safer with respect to race conditions - Jean II */ diff --git a/drivers/staging/irda/net/af_irda.c b/drivers/staging/irda/net/af_irda.c index 23fa7c8b09a5..b82a47b9ef0b 100644 --- a/drivers/staging/irda/net/af_irda.c +++ b/drivers/staging/irda/net/af_irda.c @@ -429,11 +429,11 @@ static void irda_selective_discovery_indication(discinfo_t *discovery, * We were waiting for a node to be discovered, but nothing has come up * so far. Wake up the user and tell him that we failed... */ -static void irda_discovery_timeout(u_long priv) +static void irda_discovery_timeout(struct timer_list *t) { struct irda_sock *self; - self = (struct irda_sock *) priv; + self = from_timer(self, t, watchdog); BUG_ON(self == NULL); /* Nothing for the caller */ @@ -2505,8 +2505,7 @@ bed: /* Set watchdog timer to expire in <val> ms. */ self->errno = 0; - setup_timer(&self->watchdog, irda_discovery_timeout, - (unsigned long)self); + timer_setup(&self->watchdog, irda_discovery_timeout, 0); mod_timer(&self->watchdog, jiffies + msecs_to_jiffies(val)); diff --git a/drivers/staging/irda/net/discovery.c b/drivers/staging/irda/net/discovery.c index 364d70aed068..1e54954a4081 100644 --- a/drivers/staging/irda/net/discovery.c +++ b/drivers/staging/irda/net/discovery.c @@ -179,7 +179,7 @@ void irlmp_expire_discoveries(hashbin_t *log, __u32 saddr, int force) /* Create the client specific buffer */ n = HASHBIN_GET_SIZE(log); buffer = kmalloc(n * sizeof(struct irda_device_info), GFP_ATOMIC); - if (buffer == NULL) { + if (!buffer) { spin_unlock_irqrestore(&log->hb_spinlock, flags); return; } @@ -291,7 +291,7 @@ struct irda_device_info *irlmp_copy_discoveries(hashbin_t *log, int *pn, /* Create the client specific buffer */ n = HASHBIN_GET_SIZE(log); buffer = kmalloc(n * sizeof(struct irda_device_info), GFP_ATOMIC); - if (buffer == NULL) { + if (!buffer) { spin_unlock_irqrestore(&log->hb_spinlock, flags); return NULL; } diff --git a/drivers/staging/irda/net/ircomm/ircomm_tty.c b/drivers/staging/irda/net/ircomm/ircomm_tty.c index ec157c3419b5..473abfaffe7b 100644 --- a/drivers/staging/irda/net/ircomm/ircomm_tty.c +++ b/drivers/staging/irda/net/ircomm/ircomm_tty.c @@ -395,7 +395,7 @@ static int ircomm_tty_install(struct tty_driver *driver, struct tty_struct *tty) self->max_data_size = IRCOMM_TTY_DATA_UNINITIALISED; /* Init some important stuff */ - init_timer(&self->watchdog_timer); + timer_setup(&self->watchdog_timer, NULL, 0); spin_lock_init(&self->spinlock); /* diff --git a/drivers/staging/irda/net/ircomm/ircomm_tty_attach.c b/drivers/staging/irda/net/ircomm/ircomm_tty_attach.c index 0a411019c098..e2d5ce8ba0db 100644 --- a/drivers/staging/irda/net/ircomm/ircomm_tty_attach.c +++ b/drivers/staging/irda/net/ircomm/ircomm_tty_attach.c @@ -52,7 +52,7 @@ static void ircomm_tty_getvalue_confirm(int result, __u16 obj_id, struct ias_value *value, void *priv); static void ircomm_tty_start_watchdog_timer(struct ircomm_tty_cb *self, int timeout); -static void ircomm_tty_watchdog_timer_expired(void *data); +static void ircomm_tty_watchdog_timer_expired(struct timer_list *timer); static int ircomm_tty_state_idle(struct ircomm_tty_cb *self, IRCOMM_TTY_EVENT event, @@ -587,7 +587,7 @@ static void ircomm_tty_start_watchdog_timer(struct ircomm_tty_cb *self, IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - irda_start_timer(&self->watchdog_timer, timeout, (void *) self, + irda_start_timer(&self->watchdog_timer, timeout, ircomm_tty_watchdog_timer_expired); } @@ -597,9 +597,9 @@ static void ircomm_tty_start_watchdog_timer(struct ircomm_tty_cb *self, * Called when the connect procedure have taken to much time. * */ -static void ircomm_tty_watchdog_timer_expired(void *data) +static void ircomm_tty_watchdog_timer_expired(struct timer_list *t) { - struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) data; + struct ircomm_tty_cb *self = from_timer(self, t, watchdog_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); diff --git a/drivers/staging/irda/net/irda_device.c b/drivers/staging/irda/net/irda_device.c index 890b90d055d5..682b4eea15e0 100644 --- a/drivers/staging/irda/net/irda_device.c +++ b/drivers/staging/irda/net/irda_device.c @@ -54,29 +54,30 @@ static void __irda_task_delete(struct irda_task *task); -static hashbin_t *dongles = NULL; -static hashbin_t *tasks = NULL; +static hashbin_t *dongles; +static hashbin_t *tasks; -static void irda_task_timer_expired(void *data); +static void irda_task_timer_expired(struct timer_list *timer); -int __init irda_device_init( void) +int __init irda_device_init(void) { dongles = hashbin_new(HB_NOLOCK); - if (dongles == NULL) { + if (!dongles) { net_warn_ratelimited("IrDA: Can't allocate dongles hashbin!\n"); return -ENOMEM; } spin_lock_init(&dongles->hb_spinlock); tasks = hashbin_new(HB_LOCK); - if (tasks == NULL) { + if (!tasks) { net_warn_ratelimited("IrDA: Can't allocate tasks hashbin!\n"); hashbin_delete(dongles, NULL); return -ENOMEM; } /* We no longer initialise the driver ourselves here, we let - * the system do it for us... - Jean II */ + * the system do it for us... - Jean II + */ return 0; } @@ -84,6 +85,7 @@ int __init irda_device_init( void) static void leftover_dongle(void *arg) { struct dongle_reg *reg = arg; + net_warn_ratelimited("IrDA: Dongle type %x not unregistered\n", reg->type); } @@ -107,7 +109,7 @@ void irda_device_set_media_busy(struct net_device *dev, int status) pr_debug("%s(%s)\n", __func__, status ? "TRUE" : "FALSE"); - self = (struct irlap_cb *) dev->atalk_ptr; + self = (struct irlap_cb *)dev->atalk_ptr; /* Some drivers may enable the receive interrupt before calling * irlap_open(), or they may disable the receive interrupt @@ -115,7 +117,8 @@ void irda_device_set_media_busy(struct net_device *dev, int status) * The IrDA stack is protected from this in irlap_driver_rcv(). * However, the driver calls directly the wrapper, that calls * us directly. Make sure we protect ourselves. - * Jean II */ + * Jean II + */ if (!self || self->magic != LAP_MAGIC) return; @@ -133,7 +136,6 @@ void irda_device_set_media_busy(struct net_device *dev, int status) } EXPORT_SYMBOL(irda_device_set_media_busy); - /* * Function irda_device_is_receiving (dev) * @@ -169,7 +171,7 @@ static void __irda_task_delete(struct irda_task *task) static void irda_task_delete(struct irda_task *task) { /* Unregister task */ - hashbin_remove(tasks, (long) task, NULL); + hashbin_remove(tasks, (long)task, NULL); __irda_task_delete(task); } @@ -231,7 +233,7 @@ static int irda_task_kick(struct irda_task *task) } irda_task_delete(task); } else if (timeout > 0) { - irda_start_timer(&task->timer, timeout, (void *) task, + irda_start_timer(&task->timer, timeout, irda_task_timer_expired); finished = FALSE; } else { @@ -249,11 +251,9 @@ static int irda_task_kick(struct irda_task *task) * Task time has expired. We now try to execute task (again), and restart * the timer if the task has not finished yet */ -static void irda_task_timer_expired(void *data) +static void irda_task_timer_expired(struct timer_list *t) { - struct irda_task *task; - - task = data; + struct irda_task *task = from_timer(task, t, timer); irda_task_kick(task); } @@ -280,8 +280,8 @@ static void irda_device_setup(struct net_device *dev) /* * Funciton alloc_irdadev - * Allocates and sets up an IRDA device in a manner similar to - * alloc_etherdev. + * Allocates and sets up an IRDA device in a manner similar to + * alloc_etherdev. */ struct net_device *alloc_irdadev(int sizeof_priv) { diff --git a/drivers/staging/irda/net/iriap.c b/drivers/staging/irda/net/iriap.c index 1138eaf5c682..d64192e9db8b 100644 --- a/drivers/staging/irda/net/iriap.c +++ b/drivers/staging/irda/net/iriap.c @@ -76,12 +76,12 @@ static void iriap_connect_confirm(void *instance, void *sap, static int iriap_data_indication(void *instance, void *sap, struct sk_buff *skb); -static void iriap_watchdog_timer_expired(void *data); +static void iriap_watchdog_timer_expired(struct timer_list *t); static inline void iriap_start_watchdog_timer(struct iriap_cb *self, int timeout) { - irda_start_timer(&self->watchdog_timer, timeout, self, + irda_start_timer(&self->watchdog_timer, timeout, iriap_watchdog_timer_expired); } @@ -199,7 +199,7 @@ struct iriap_cb *iriap_open(__u8 slsap_sel, int mode, void *priv, * we connect, so this must have a sane value... Jean II */ self->max_header_size = LMP_MAX_HEADER; - init_timer(&self->watchdog_timer); + timer_setup(&self->watchdog_timer, NULL, 0); hashbin_insert(iriap, (irda_queue_t *) self, (long) self, NULL); @@ -946,9 +946,9 @@ void iriap_call_indication(struct iriap_cb *self, struct sk_buff *skb) * Query has taken too long time, so abort * */ -static void iriap_watchdog_timer_expired(void *data) +static void iriap_watchdog_timer_expired(struct timer_list *t) { - struct iriap_cb *self = (struct iriap_cb *) data; + struct iriap_cb *self = from_timer(self, t, watchdog_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IAS_MAGIC, return;); diff --git a/drivers/staging/irda/net/irlan/irlan_client.c b/drivers/staging/irda/net/irlan/irlan_client.c index c5837a40c78e..0b65e80849ae 100644 --- a/drivers/staging/irda/net/irlan/irlan_client.c +++ b/drivers/staging/irda/net/irlan/irlan_client.c @@ -68,9 +68,9 @@ static void irlan_check_response_param(struct irlan_cb *self, char *param, char *value, int val_len); static void irlan_client_open_ctrl_tsap(struct irlan_cb *self); -static void irlan_client_kick_timer_expired(void *data) +static void irlan_client_kick_timer_expired(struct timer_list *t) { - struct irlan_cb *self = (struct irlan_cb *) data; + struct irlan_cb *self = from_timer(self, t, client.kick_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;); @@ -89,7 +89,7 @@ static void irlan_client_kick_timer_expired(void *data) static void irlan_client_start_kick_timer(struct irlan_cb *self, int timeout) { - irda_start_timer(&self->client.kick_timer, timeout, (void *) self, + irda_start_timer(&self->client.kick_timer, timeout, irlan_client_kick_timer_expired); } diff --git a/drivers/staging/irda/net/irlan/irlan_common.c b/drivers/staging/irda/net/irlan/irlan_common.c index 481bbc2a4349..fdcd7147007d 100644 --- a/drivers/staging/irda/net/irlan/irlan_common.c +++ b/drivers/staging/irda/net/irlan/irlan_common.c @@ -228,8 +228,8 @@ static struct irlan_cb __init *irlan_open(__u32 saddr, __u32 daddr) self->media = MEDIA_802_3; self->disconnect_reason = LM_USER_REQUEST; - init_timer(&self->watchdog_timer); - init_timer(&self->client.kick_timer); + timer_setup(&self->watchdog_timer, NULL, 0); + timer_setup(&self->client.kick_timer, NULL, 0); init_waitqueue_head(&self->open_wait); skb_queue_head_init(&self->client.txq); diff --git a/drivers/staging/irda/net/irlap.c b/drivers/staging/irda/net/irlap.c index 1cde711bcab5..d7d894423b4f 100644 --- a/drivers/staging/irda/net/irlap.c +++ b/drivers/staging/irda/net/irlap.c @@ -148,14 +148,14 @@ struct irlap_cb *irlap_open(struct net_device *dev, struct qos_info *qos, /* Copy to the driver */ memcpy(dev->dev_addr, &self->saddr, 4); - init_timer(&self->slot_timer); - init_timer(&self->query_timer); - init_timer(&self->discovery_timer); - init_timer(&self->final_timer); - init_timer(&self->poll_timer); - init_timer(&self->wd_timer); - init_timer(&self->backoff_timer); - init_timer(&self->media_busy_timer); + timer_setup(&self->slot_timer, NULL, 0); + timer_setup(&self->query_timer, NULL, 0); + timer_setup(&self->discovery_timer, NULL, 0); + timer_setup(&self->final_timer, NULL, 0); + timer_setup(&self->poll_timer, NULL, 0); + timer_setup(&self->wd_timer, NULL, 0); + timer_setup(&self->backoff_timer, NULL, 0); + timer_setup(&self->media_busy_timer, NULL, 0); irlap_apply_default_connection_parameters(self); diff --git a/drivers/staging/irda/net/irlap_event.c b/drivers/staging/irda/net/irlap_event.c index 0e1b4d79f745..634188b07e0a 100644 --- a/drivers/staging/irda/net/irlap_event.c +++ b/drivers/staging/irda/net/irlap_event.c @@ -163,9 +163,9 @@ static int (*state[])(struct irlap_cb *self, IRLAP_EVENT event, * Poll timer has expired. Normally we must now send a RR frame to the * remote device */ -static void irlap_poll_timer_expired(void *data) +static void irlap_poll_timer_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, poll_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); @@ -222,7 +222,7 @@ static void irlap_start_poll_timer(struct irlap_cb *self, int timeout) if (timeout == 0) irlap_do_event(self, POLL_TIMER_EXPIRED, NULL, NULL); else - irda_start_timer(&self->poll_timer, timeout, self, + irda_start_timer(&self->poll_timer, timeout, irlap_poll_timer_expired); } diff --git a/drivers/staging/irda/net/irlmp.c b/drivers/staging/irda/net/irlmp.c index 43964594aa12..34355061ab0b 100644 --- a/drivers/staging/irda/net/irlmp.c +++ b/drivers/staging/irda/net/irlmp.c @@ -109,7 +109,7 @@ int __init irlmp_init(void) irlmp->last_lsap_sel = 0x0f; /* Reserved 0x00-0x0f */ strcpy(sysctl_devname, "Linux"); - init_timer(&irlmp->discovery_timer); + timer_setup(&irlmp->discovery_timer, NULL, 0); /* Do discovery every 3 seconds, conditionally */ if (sysctl_discovery) @@ -185,7 +185,7 @@ struct lsap_cb *irlmp_open_lsap(__u8 slsap_sel, notify_t *notify, __u8 pid) self->dlsap_sel = LSAP_ANY; /* self->connected = FALSE; -> already NULL via memset() */ - init_timer(&self->watchdog_timer); + timer_setup(&self->watchdog_timer, NULL, 0); self->notify = *notify; @@ -311,7 +311,7 @@ void irlmp_register_link(struct irlap_cb *irlap, __u32 saddr, notify_t *notify) lap->lap_state = LAP_STANDBY; - init_timer(&lap->idle_timer); + timer_setup(&lap->idle_timer, NULL, 0); /* * Insert into queue of LMP links @@ -655,7 +655,7 @@ struct lsap_cb *irlmp_dup(struct lsap_cb *orig, void *instance) /* Not everything is the same */ new->notify.instance = instance; - init_timer(&new->watchdog_timer); + timer_setup(&new->watchdog_timer, NULL, 0); hashbin_insert(irlmp->unconnected_lsaps, (irda_queue_t *) new, (long) new, NULL); diff --git a/drivers/staging/irda/net/irlmp_event.c b/drivers/staging/irda/net/irlmp_event.c index e306cf2c1e04..ddad0994b6dc 100644 --- a/drivers/staging/irda/net/irlmp_event.c +++ b/drivers/staging/irda/net/irlmp_event.c @@ -165,7 +165,7 @@ void irlmp_do_lap_event(struct lap_cb *self, IRLMP_EVENT event, (*lap_state[self->lap_state]) (self, event, skb); } -void irlmp_discovery_timer_expired(void *data) +void irlmp_discovery_timer_expired(struct timer_list *t) { /* We always cleanup the log (active & passive discovery) */ irlmp_do_expiry(); @@ -176,9 +176,9 @@ void irlmp_discovery_timer_expired(void *data) irlmp_start_discovery_timer(irlmp, sysctl_discovery_timeout * HZ); } -void irlmp_watchdog_timer_expired(void *data) +void irlmp_watchdog_timer_expired(struct timer_list *t) { - struct lsap_cb *self = (struct lsap_cb *) data; + struct lsap_cb *self = from_timer(self, t, watchdog_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LMP_LSAP_MAGIC, return;); @@ -186,9 +186,9 @@ void irlmp_watchdog_timer_expired(void *data) irlmp_do_lsap_event(self, LM_WATCHDOG_TIMEOUT, NULL); } -void irlmp_idle_timer_expired(void *data) +void irlmp_idle_timer_expired(struct timer_list *t) { - struct lap_cb *self = (struct lap_cb *) data; + struct lap_cb *self = from_timer(self, t, idle_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LMP_LAP_MAGIC, return;); diff --git a/drivers/staging/irda/net/irqueue.c b/drivers/staging/irda/net/irqueue.c index 160dc89335e2..14291cbc4097 100644 --- a/drivers/staging/irda/net/irqueue.c +++ b/drivers/staging/irda/net/irqueue.c @@ -217,7 +217,8 @@ static __u32 hash( const char* name) while(*name) { h = (h<<4) + *name++; - if ((g = (h & 0xf0000000))) + g = h & 0xf0000000; + if (g) h ^=g>>24; h &=~g; } diff --git a/drivers/staging/irda/net/irttp.c b/drivers/staging/irda/net/irttp.c index b6ab41d5b3a3..741a94f39b4e 100644 --- a/drivers/staging/irda/net/irttp.c +++ b/drivers/staging/irda/net/irttp.c @@ -62,7 +62,6 @@ static void irttp_run_rx_queue(struct tsap_cb *self); static void irttp_flush_queues(struct tsap_cb *self); static void irttp_fragment_skb(struct tsap_cb *self, struct sk_buff *skb); static struct sk_buff *irttp_reassemble_skb(struct tsap_cb *self); -static void irttp_todo_expired(unsigned long data); static int irttp_param_max_sdu_size(void *instance, irda_param_t *param, int get); @@ -160,9 +159,9 @@ static inline void irttp_start_todo_timer(struct tsap_cb *self, int timeout) * killed (need user context), and we can't guarantee that here... * Jean II */ -static void irttp_todo_expired(unsigned long data) +static void irttp_todo_expired(struct timer_list *t) { - struct tsap_cb *self = (struct tsap_cb *) data; + struct tsap_cb *self = from_timer(self, t, todo_timer); /* Check that we still exist */ if (!self || self->magic != TTP_TSAP_MAGIC) @@ -374,7 +373,7 @@ static int irttp_param_max_sdu_size(void *instance, irda_param_t *param, static void irttp_init_tsap(struct tsap_cb *tsap) { spin_lock_init(&tsap->lock); - init_timer(&tsap->todo_timer); + timer_setup(&tsap->todo_timer, irttp_todo_expired, 0); skb_queue_head_init(&tsap->rx_queue); skb_queue_head_init(&tsap->tx_queue); @@ -410,10 +409,6 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify) /* Initialize internal objects */ irttp_init_tsap(self); - /* Initialise todo timer */ - self->todo_timer.data = (unsigned long) self; - self->todo_timer.function = &irttp_todo_expired; - /* Initialize callbacks for IrLMP to use */ irda_notify_init(&ttp_notify); ttp_notify.connect_confirm = irttp_connect_confirm; diff --git a/drivers/staging/irda/net/timer.c b/drivers/staging/irda/net/timer.c index f2280f73b057..cf00c0d848aa 100644 --- a/drivers/staging/irda/net/timer.c +++ b/drivers/staging/irda/net/timer.c @@ -34,16 +34,16 @@ extern int sysctl_slot_timeout; -static void irlap_slot_timer_expired(void* data); -static void irlap_query_timer_expired(void* data); -static void irlap_final_timer_expired(void* data); -static void irlap_wd_timer_expired(void* data); -static void irlap_backoff_timer_expired(void* data); -static void irlap_media_busy_expired(void* data); +static void irlap_slot_timer_expired(struct timer_list *t); +static void irlap_query_timer_expired(struct timer_list *t); +static void irlap_final_timer_expired(struct timer_list *t); +static void irlap_wd_timer_expired(struct timer_list *t); +static void irlap_backoff_timer_expired(struct timer_list *t); +static void irlap_media_busy_expired(struct timer_list *t); void irlap_start_slot_timer(struct irlap_cb *self, int timeout) { - irda_start_timer(&self->slot_timer, timeout, (void *) self, + irda_start_timer(&self->slot_timer, timeout, irlap_slot_timer_expired); } @@ -66,32 +66,32 @@ void irlap_start_query_timer(struct irlap_cb *self, int S, int s) /* Set or re-set the timer. We reset the timer for each received * discovery query, which allow us to automatically adjust to * the speed of the peer discovery (faster or slower). Jean II */ - irda_start_timer( &self->query_timer, timeout, (void *) self, + irda_start_timer(&self->query_timer, timeout, irlap_query_timer_expired); } void irlap_start_final_timer(struct irlap_cb *self, int timeout) { - irda_start_timer(&self->final_timer, timeout, (void *) self, + irda_start_timer(&self->final_timer, timeout, irlap_final_timer_expired); } void irlap_start_wd_timer(struct irlap_cb *self, int timeout) { - irda_start_timer(&self->wd_timer, timeout, (void *) self, + irda_start_timer(&self->wd_timer, timeout, irlap_wd_timer_expired); } void irlap_start_backoff_timer(struct irlap_cb *self, int timeout) { - irda_start_timer(&self->backoff_timer, timeout, (void *) self, + irda_start_timer(&self->backoff_timer, timeout, irlap_backoff_timer_expired); } void irlap_start_mbusy_timer(struct irlap_cb *self, int timeout) { irda_start_timer(&self->media_busy_timer, timeout, - (void *) self, irlap_media_busy_expired); + irlap_media_busy_expired); } void irlap_stop_mbusy_timer(struct irlap_cb *self) @@ -110,19 +110,19 @@ void irlap_stop_mbusy_timer(struct irlap_cb *self) void irlmp_start_watchdog_timer(struct lsap_cb *self, int timeout) { - irda_start_timer(&self->watchdog_timer, timeout, (void *) self, + irda_start_timer(&self->watchdog_timer, timeout, irlmp_watchdog_timer_expired); } void irlmp_start_discovery_timer(struct irlmp_cb *self, int timeout) { - irda_start_timer(&self->discovery_timer, timeout, (void *) self, + irda_start_timer(&self->discovery_timer, timeout, irlmp_discovery_timer_expired); } void irlmp_start_idle_timer(struct lap_cb *self, int timeout) { - irda_start_timer(&self->idle_timer, timeout, (void *) self, + irda_start_timer(&self->idle_timer, timeout, irlmp_idle_timer_expired); } @@ -138,9 +138,9 @@ void irlmp_stop_idle_timer(struct lap_cb *self) * IrLAP slot timer has expired * */ -static void irlap_slot_timer_expired(void *data) +static void irlap_slot_timer_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, slot_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); @@ -154,9 +154,9 @@ static void irlap_slot_timer_expired(void *data) * IrLAP query timer has expired * */ -static void irlap_query_timer_expired(void *data) +static void irlap_query_timer_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, query_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); @@ -170,9 +170,9 @@ static void irlap_query_timer_expired(void *data) * * */ -static void irlap_final_timer_expired(void *data) +static void irlap_final_timer_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, final_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); @@ -186,9 +186,9 @@ static void irlap_final_timer_expired(void *data) * * */ -static void irlap_wd_timer_expired(void *data) +static void irlap_wd_timer_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, wd_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); @@ -202,9 +202,9 @@ static void irlap_wd_timer_expired(void *data) * * */ -static void irlap_backoff_timer_expired(void *data) +static void irlap_backoff_timer_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, backoff_timer); IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == LAP_MAGIC, return;); @@ -218,9 +218,9 @@ static void irlap_backoff_timer_expired(void *data) * * */ -static void irlap_media_busy_expired(void *data) +static void irlap_media_busy_expired(struct timer_list *t) { - struct irlap_cb *self = (struct irlap_cb *) data; + struct irlap_cb *self = from_timer(self, t, media_busy_timer); IRDA_ASSERT(self != NULL, return;); diff --git a/drivers/staging/ks7010/eap_packet.h b/drivers/staging/ks7010/eap_packet.h index ae03f7477324..dca2a142e834 100644 --- a/drivers/staging/ks7010/eap_packet.h +++ b/drivers/staging/ks7010/eap_packet.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef EAP_PACKET_H #define EAP_PACKET_H diff --git a/drivers/staging/ks7010/ks_wlan_net.c b/drivers/staging/ks7010/ks_wlan_net.c index 0f9348ba5d84..880085e2f24a 100644 --- a/drivers/staging/ks7010/ks_wlan_net.c +++ b/drivers/staging/ks7010/ks_wlan_net.c @@ -114,7 +114,7 @@ int ks_wlan_update_phy_information(struct ks_wlan_private *priv) } static -void ks_wlan_update_phyinfo_timeout(unsigned long ptr) +void ks_wlan_update_phyinfo_timeout(struct timer_list *unused) { DPRINTK(4, "in_interrupt = %ld\n", in_interrupt()); atomic_set(&update_phyinfo, 0); @@ -473,13 +473,16 @@ static int ks_wlan_set_rate(struct net_device *dev, priv->reg.rate_set.body[3] = TX_RATE_11M; i++; + /* fall through */ case 5500000: priv->reg.rate_set.body[2] = TX_RATE_5M; i++; + /* fall through */ case 2000000: priv->reg.rate_set.body[1] = TX_RATE_2M | BASIC_RATE; i++; + /* fall through */ case 1000000: priv->reg.rate_set.body[0] = TX_RATE_1M | BASIC_RATE; @@ -535,14 +538,17 @@ static int ks_wlan_set_rate(struct net_device *dev, priv->reg.rate_set.body[11] = TX_RATE_54M; i++; + /* fall through */ case 48000000: priv->reg.rate_set.body[10] = TX_RATE_48M; i++; + /* fall through */ case 36000000: priv->reg.rate_set.body[9] = TX_RATE_36M; i++; + /* fall through */ case 24000000: case 18000000: case 12000000: @@ -619,14 +625,17 @@ static int ks_wlan_set_rate(struct net_device *dev, TX_RATE_6M | BASIC_RATE; i++; } + /* fall through */ case 5500000: priv->reg.rate_set.body[2] = TX_RATE_5M | BASIC_RATE; i++; + /* fall through */ case 2000000: priv->reg.rate_set.body[1] = TX_RATE_2M | BASIC_RATE; i++; + /* fall through */ case 1000000: priv->reg.rate_set.body[0] = TX_RATE_1M | BASIC_RATE; @@ -2010,6 +2019,7 @@ static int ks_wlan_set_mlme(struct net_device *dev, case IW_MLME_DEAUTH: if (mlme->reason_code == WLAN_REASON_MIC_FAILURE) return 0; + /* fall through */ case IW_MLME_DISASSOC: mode = 1; return ks_wlan_set_stop_request(dev, NULL, &mode, NULL); @@ -2941,8 +2951,7 @@ int ks_wlan_net_start(struct net_device *dev) /* phy information update timer */ atomic_set(&update_phyinfo, 0); - setup_timer(&update_phyinfo_timer, ks_wlan_update_phyinfo_timeout, - (unsigned long)priv); + timer_setup(&update_phyinfo_timer, ks_wlan_update_phyinfo_timeout, 0); /* dummy address set */ memcpy(priv->eth_addr, dummy_addr, ETH_ALEN); diff --git a/drivers/staging/lustre/include/linux/libcfs/curproc.h b/drivers/staging/lustre/include/linux/libcfs/curproc.h index 1ea27c9e3708..3cb3f086148e 100644 --- a/drivers/staging/lustre/include/linux/libcfs/curproc.h +++ b/drivers/staging/lustre/include/linux/libcfs/curproc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/libcfs.h index b48e2f093bcc..6ad8867e5451 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h index 6d8752a368fa..6d132f941281 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_cpu.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h index 3f773a4a344b..e5c156e9d907 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_crypto.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h index e7c37415a0c7..1b98f0953afb 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h index fedb46dff696..d6fc3164e7e7 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h index 0cc2fc465c1a..5a27220cc608 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_hash.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h index 8c75d5075590..d4c5965c43b1 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h index 709771d27f89..2f4ff595fac9 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_private.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h index 41795d9b3b9b..1191764c431a 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_string.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_time.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_time.h index 008da4497bda..9699646decb9 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_time.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_time.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_workitem.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_workitem.h index 2accd9a85472..fc780f608e57 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_workitem.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_workitem.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h index fa0808d2953b..30e333af8d0d 100644 --- a/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h +++ b/drivers/staging/lustre/include/linux/libcfs/linux/libcfs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h index dd0cd0442b86..854c84358ab4 100644 --- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h +++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-cpu.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h index 709e1ce98d8d..aece13698eb4 100644 --- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h +++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/lnet/api.h b/drivers/staging/lustre/include/linux/lnet/api.h index 9c37f3e4b134..31fcd33171b4 100644 --- a/drivers/staging/lustre/include/linux/lnet/api.h +++ b/drivers/staging/lustre/include/linux/lnet/api.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h index e0968ab8d95e..c1626726fa05 100644 --- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h +++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h index eea3b8e5e406..cfe8ee424e94 100644 --- a/drivers/staging/lustre/include/linux/lnet/lib-types.h +++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -160,9 +161,9 @@ struct lnet_libmd { } md_iov; }; -#define LNET_MD_FLAG_ZOMBIE (1 << 0) -#define LNET_MD_FLAG_AUTO_UNLINK (1 << 1) -#define LNET_MD_FLAG_ABORTED (1 << 2) +#define LNET_MD_FLAG_ZOMBIE BIT(0) +#define LNET_MD_FLAG_AUTO_UNLINK BIT(1) +#define LNET_MD_FLAG_ABORTED BIT(2) struct lnet_test_peer { /* info about peers we are trying to fail */ @@ -287,9 +288,9 @@ struct lnet_ni { * of old LNet, so there shouldn't be any compatibility issue */ #define LNET_PING_FEAT_INVAL (0) /* no feature */ -#define LNET_PING_FEAT_BASE (1 << 0) /* just a ping */ -#define LNET_PING_FEAT_NI_STATUS (1 << 1) /* return NI status */ -#define LNET_PING_FEAT_RTE_DISABLED (1 << 2) /* Routing enabled */ +#define LNET_PING_FEAT_BASE BIT(0) /* just a ping */ +#define LNET_PING_FEAT_NI_STATUS BIT(1) /* return NI status */ +#define LNET_PING_FEAT_RTE_DISABLED BIT(2) /* Routing enabled */ #define LNET_PING_FEAT_MASK (LNET_PING_FEAT_BASE | \ LNET_PING_FEAT_NI_STATUS) @@ -440,23 +441,21 @@ struct lnet_rtrbuf { enum lnet_match_flags { /* Didn't match anything */ - LNET_MATCHMD_NONE = (1 << 0), + LNET_MATCHMD_NONE = BIT(0), /* Matched OK */ - LNET_MATCHMD_OK = (1 << 1), + LNET_MATCHMD_OK = BIT(1), /* Must be discarded */ - LNET_MATCHMD_DROP = (1 << 2), + LNET_MATCHMD_DROP = BIT(2), /* match and buffer is exhausted */ - LNET_MATCHMD_EXHAUSTED = (1 << 3), + LNET_MATCHMD_EXHAUSTED = BIT(3), /* match or drop */ LNET_MATCHMD_FINISH = (LNET_MATCHMD_OK | LNET_MATCHMD_DROP), }; /* Options for lnet_portal::ptl_options */ -#define LNET_PTL_LAZY (1 << 0) -#define LNET_PTL_MATCH_UNIQUE (1 << 1) /* unique match, for RDMA */ -#define LNET_PTL_MATCH_WILDCARD (1 << 2) /* wildcard match, - * request portal - */ +#define LNET_PTL_LAZY BIT(0) +#define LNET_PTL_MATCH_UNIQUE BIT(1) /* unique match, for RDMA */ +#define LNET_PTL_MATCH_WILDCARD BIT(2) /* wildcard match, request portal */ /* parameter for matching operations (GET, PUT) */ struct lnet_match_info { diff --git a/drivers/staging/lustre/include/linux/lnet/socklnd.h b/drivers/staging/lustre/include/linux/lnet/socklnd.h index 553fb64b3e80..6bd1bca190a3 100644 --- a/drivers/staging/lustre/include/linux/lnet/socklnd.h +++ b/drivers/staging/lustre/include/linux/lnet/socklnd.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c index 64763aacda57..8024843521ab 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h index a1e994a1cc84..171eced213f8 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c index 8fc191d99927..40e3af5d8b04 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c index 3fe4d4858eba..a71b765215ad 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c index fbbd8a5489e9..f8ea523863ba 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -176,12 +177,9 @@ struct ksock_peer * ksocknal_find_peer_locked(struct lnet_ni *ni, struct lnet_process_id id) { struct list_head *peer_list = ksocknal_nid2peerlist(id.nid); - struct list_head *tmp; struct ksock_peer *peer; - list_for_each(tmp, peer_list) { - peer = list_entry(tmp, struct ksock_peer, ksnp_list); - + list_for_each_entry(peer, peer_list, ksnp_list) { LASSERT(!peer->ksnp_closing); if (peer->ksnp_ni != ni) @@ -453,7 +451,6 @@ int ksocknal_add_peer(struct lnet_ni *ni, struct lnet_process_id id, __u32 ipaddr, int port) { - struct list_head *tmp; struct ksock_peer *peer; struct ksock_peer *peer2; struct ksock_route *route; @@ -491,9 +488,7 @@ ksocknal_add_peer(struct lnet_ni *ni, struct lnet_process_id id, __u32 ipaddr, } route2 = NULL; - list_for_each(tmp, &peer->ksnp_routes) { - route2 = list_entry(tmp, struct ksock_route, ksnr_list); - + list_for_each_entry(route2, &peer->ksnp_routes, ksnr_list) { if (route2->ksnr_ipaddr == ipaddr) break; @@ -1854,12 +1849,10 @@ ksocknal_query(struct lnet_ni *ni, lnet_nid_t nid, unsigned long *when) peer = ksocknal_find_peer_locked(ni, id); if (peer) { - struct list_head *tmp; struct ksock_conn *conn; int bufnob; - list_for_each(tmp, &peer->ksnp_conns) { - conn = list_entry(tmp, struct ksock_conn, ksnc_list); + list_for_each_entry(conn, &peer->ksnp_conns, ksnc_list) { bufnob = conn->ksnc_sock->sk->sk_wmem_queued; if (bufnob < conn->ksnc_tx_bufnob) { @@ -2316,7 +2309,7 @@ ksocknal_base_shutdown(void) switch (ksocknal_data.ksnd_init) { default: LASSERT(0); - + /* fall through */ case SOCKNAL_INIT_ALL: case SOCKNAL_INIT_DATA: LASSERT(ksocknal_data.ksnd_peers); diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h index e6428c4b7aec..35a7b396def4 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c index 6b38d5a8fe92..a5f2ecb966fa 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c index 9c328dc6537b..970140f09258 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_modparams.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_modparams.c index fc7eec83ac07..5663a4ca94d4 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_modparams.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_modparams.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * diff --git a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c index 84be9a518190..d827f770e831 100644 --- a/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c +++ b/drivers/staging/lustre/lnet/klnds/socklnd/socklnd_proto.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. * diff --git a/drivers/staging/lustre/lnet/libcfs/Makefile b/drivers/staging/lustre/lnet/libcfs/Makefile index 215fa23827d1..1607570ef8de 100644 --- a/drivers/staging/lustre/lnet/libcfs/Makefile +++ b/drivers/staging/lustre/lnet/libcfs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include diff --git a/drivers/staging/lustre/lnet/libcfs/debug.c b/drivers/staging/lustre/lnet/libcfs/debug.c index 1ab394c1fabc..551c45bf4108 100644 --- a/drivers/staging/lustre/lnet/libcfs/debug.c +++ b/drivers/staging/lustre/lnet/libcfs/debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/fail.c b/drivers/staging/lustre/lnet/libcfs/fail.c index 24f4701a7a1e..5d501beeb622 100644 --- a/drivers/staging/lustre/lnet/libcfs/fail.c +++ b/drivers/staging/lustre/lnet/libcfs/fail.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/hash.c b/drivers/staging/lustre/lnet/libcfs/hash.c index 49a04a2b4ec4..f4f67d2b301e 100644 --- a/drivers/staging/lustre/lnet/libcfs/hash.c +++ b/drivers/staging/lustre/lnet/libcfs/hash.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c b/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c index 2ddd09a83cd0..e3a4c67a66b5 100644 --- a/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c +++ b/drivers/staging/lustre/lnet/libcfs/libcfs_cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/libcfs_lock.c b/drivers/staging/lustre/lnet/libcfs/libcfs_lock.c index 77fd3d06cde9..f6a0040f4ab1 100644 --- a/drivers/staging/lustre/lnet/libcfs/libcfs_lock.c +++ b/drivers/staging/lustre/lnet/libcfs/libcfs_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/libcfs_mem.c b/drivers/staging/lustre/lnet/libcfs/libcfs_mem.c index 1a0c7cad5983..df93d8f77ea2 100644 --- a/drivers/staging/lustre/lnet/libcfs/libcfs_mem.c +++ b/drivers/staging/lustre/lnet/libcfs/libcfs_mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/libcfs_string.c b/drivers/staging/lustre/lnet/libcfs/libcfs_string.c index 333e47febf87..bcac5074bf80 100644 --- a/drivers/staging/lustre/lnet/libcfs/libcfs_string.c +++ b/drivers/staging/lustre/lnet/libcfs/libcfs_string.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c index 2da051c0d251..51823ce71773 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-cpu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c index db0572733712..2e5d311d2438 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto-adler.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c index 55663390b608..80072b2a443c 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* GPL HEADER START * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.h b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.h index d0b3aa80cfa6..5616e9ea1450 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.h +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-crypto.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-curproc.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-curproc.c index 528d49794881..1d8949f1a4fa 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-curproc.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-curproc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c index 972677bdf6bc..0092166af258 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-mem.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-mem.c index 3f5dec153571..963df0ef4afb 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-mem.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-mem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 only, diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c index 435722175cce..b5746230ab31 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c index 4e331e71083d..6f92ea272186 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-prim.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/linux/linux-tracefile.c b/drivers/staging/lustre/lnet/libcfs/linux/linux-tracefile.c index 16a3ae791bb6..7928d7182634 100644 --- a/drivers/staging/lustre/lnet/libcfs/linux/linux-tracefile.c +++ b/drivers/staging/lustre/lnet/libcfs/linux/linux-tracefile.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/module.c b/drivers/staging/lustre/lnet/libcfs/module.c index 6aed98fc9688..4ead55920e79 100644 --- a/drivers/staging/lustre/lnet/libcfs/module.c +++ b/drivers/staging/lustre/lnet/libcfs/module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/prng.c b/drivers/staging/lustre/lnet/libcfs/prng.c index 963ef4ae93b1..f47cf67a92e3 100644 --- a/drivers/staging/lustre/lnet/libcfs/prng.c +++ b/drivers/staging/lustre/lnet/libcfs/prng.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/tracefile.c b/drivers/staging/lustre/lnet/libcfs/tracefile.c index f916b475e767..da2844f37edf 100644 --- a/drivers/staging/lustre/lnet/libcfs/tracefile.c +++ b/drivers/staging/lustre/lnet/libcfs/tracefile.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/tracefile.h b/drivers/staging/lustre/lnet/libcfs/tracefile.h index c3547cd4c72c..a29d6eb3a785 100644 --- a/drivers/staging/lustre/lnet/libcfs/tracefile.h +++ b/drivers/staging/lustre/lnet/libcfs/tracefile.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/libcfs/workitem.c b/drivers/staging/lustre/lnet/libcfs/workitem.c index 038ed8c52107..6a05d9bab8dc 100644 --- a/drivers/staging/lustre/lnet/libcfs/workitem.c +++ b/drivers/staging/lustre/lnet/libcfs/workitem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/Makefile b/drivers/staging/lustre/lnet/lnet/Makefile index fd8585cd0ce2..0a9d70924fe0 100644 --- a/drivers/staging/lustre/lnet/lnet/Makefile +++ b/drivers/staging/lustre/lnet/lnet/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include diff --git a/drivers/staging/lustre/lnet/lnet/acceptor.c b/drivers/staging/lustre/lnet/lnet/acceptor.c index be2823f8eb02..ee85cab6f437 100644 --- a/drivers/staging/lustre/lnet/lnet/acceptor.c +++ b/drivers/staging/lustre/lnet/lnet/acceptor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c index ad835035fffa..7caff290c146 100644 --- a/drivers/staging/lustre/lnet/lnet/api-ni.c +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/config.c b/drivers/staging/lustre/lnet/lnet/config.c index 26841a7b6213..0cf0f4f99435 100644 --- a/drivers/staging/lustre/lnet/lnet/config.c +++ b/drivers/staging/lustre/lnet/lnet/config.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-eq.c b/drivers/staging/lustre/lnet/lnet/lib-eq.c index 6b446a51eeac..daf744277003 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-eq.c +++ b/drivers/staging/lustre/lnet/lnet/lib-eq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-md.c b/drivers/staging/lustre/lnet/lnet/lib-md.c index a0aef4b9bce3..ac5b9593d597 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-md.c +++ b/drivers/staging/lustre/lnet/lnet/lib-md.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-me.c b/drivers/staging/lustre/lnet/lnet/lib-me.c index f52a5e8ed386..dd5d3cf6d3e2 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-me.c +++ b/drivers/staging/lustre/lnet/lnet/lib-me.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c index bc0779c02d97..27848cd69564 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-move.c +++ b/drivers/staging/lustre/lnet/lnet/lib-move.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-msg.c b/drivers/staging/lustre/lnet/lnet/lib-msg.c index d04875e3956f..c72ef05b2420 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-msg.c +++ b/drivers/staging/lustre/lnet/lnet/lib-msg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-ptl.c b/drivers/staging/lustre/lnet/lnet/lib-ptl.c index 5946848a7846..8ae93bf6fd1b 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-ptl.c +++ b/drivers/staging/lustre/lnet/lnet/lib-ptl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c index 7d0add0c0de3..539a26444f31 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-socket.c +++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/lo.c b/drivers/staging/lustre/lnet/lnet/lo.c index 80c06f4b0c8d..7456b989e451 100644 --- a/drivers/staging/lustre/lnet/lnet/lo.c +++ b/drivers/staging/lustre/lnet/lnet/lo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/module.c b/drivers/staging/lustre/lnet/lnet/module.c index 7d12a7fb36a4..c0c4723f72fd 100644 --- a/drivers/staging/lustre/lnet/lnet/module.c +++ b/drivers/staging/lustre/lnet/lnet/module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/net_fault.c b/drivers/staging/lustre/lnet/lnet/net_fault.c index 03f3d18a1a29..3c83aa31e2c2 100644 --- a/drivers/staging/lustre/lnet/lnet/net_fault.c +++ b/drivers/staging/lustre/lnet/lnet/net_fault.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -629,6 +630,7 @@ delayed_msg_process(struct list_head *msg_list, bool drop) case LNET_CREDIT_OK: lnet_ni_recv(ni, msg->msg_private, msg, 0, 0, msg->msg_len, msg->msg_len); + /* fall through */ case LNET_CREDIT_WAIT: continue; default: /* failures */ diff --git a/drivers/staging/lustre/lnet/lnet/nidstrings.c b/drivers/staging/lustre/lnet/lnet/nidstrings.c index 7bd1e6f389aa..05b120c2d45a 100644 --- a/drivers/staging/lustre/lnet/lnet/nidstrings.c +++ b/drivers/staging/lustre/lnet/lnet/nidstrings.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/peer.c b/drivers/staging/lustre/lnet/lnet/peer.c index 4d55df8ff74e..5e94ad349454 100644 --- a/drivers/staging/lustre/lnet/lnet/peer.c +++ b/drivers/staging/lustre/lnet/lnet/peer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c index 3df101bafd9f..88283ca3f860 100644 --- a/drivers/staging/lustre/lnet/lnet/router.c +++ b/drivers/staging/lustre/lnet/lnet/router.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * @@ -222,15 +223,12 @@ struct lnet_remotenet * lnet_find_net_locked(__u32 net) { struct lnet_remotenet *rnet; - struct list_head *tmp; struct list_head *rn_list; LASSERT(!the_lnet.ln_shutdown); rn_list = lnet_net2rnethash(net); - list_for_each(tmp, rn_list) { - rnet = list_entry(tmp, struct lnet_remotenet, lrn_list); - + list_for_each_entry(rnet, rn_list, lrn_list) { if (rnet->lrn_net == net) return rnet; } @@ -243,7 +241,6 @@ static void lnet_shuffle_seed(void) __u32 lnd_type, seed[2]; struct timespec64 ts; struct lnet_ni *ni; - struct list_head *tmp; if (seeded) return; @@ -254,8 +251,7 @@ static void lnet_shuffle_seed(void) * Nodes with small feet have little entropy * the NID for this node gives the most entropy in the low bits */ - list_for_each(tmp, &the_lnet.ln_nis) { - ni = list_entry(tmp, struct lnet_ni, ni_list); + list_for_each_entry(ni, &the_lnet.ln_nis, ni_list) { lnd_type = LNET_NETTYP(LNET_NIDNET(ni->ni_nid)); if (lnd_type != LOLND) diff --git a/drivers/staging/lustre/lnet/lnet/router_proc.c b/drivers/staging/lustre/lnet/lnet/router_proc.c index 4a994d113c7d..d32d653edcb0 100644 --- a/drivers/staging/lustre/lnet/lnet/router_proc.c +++ b/drivers/staging/lustre/lnet/lnet/router_proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c index f8b9175f08d4..f1ee219bc8f3 100644 --- a/drivers/staging/lustre/lnet/selftest/brw_test.c +++ b/drivers/staging/lustre/lnet/selftest/brw_test.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/conctl.c b/drivers/staging/lustre/lnet/selftest/conctl.c index 9619ecbf8bdf..082c0afacf23 100644 --- a/drivers/staging/lustre/lnet/selftest/conctl.c +++ b/drivers/staging/lustre/lnet/selftest/conctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -151,6 +152,7 @@ lst_debug_ioctl(struct lstio_debug_args *args) case LST_OPC_BATCHSRV: client = 0; + /* fall through */ case LST_OPC_BATCHCLI: if (!name) goto out; diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.c b/drivers/staging/lustre/lnet/selftest/conrpc.c index 196d23c10921..6a0f770e0e24 100644 --- a/drivers/staging/lustre/lnet/selftest/conrpc.c +++ b/drivers/staging/lustre/lnet/selftest/conrpc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/conrpc.h b/drivers/staging/lustre/lnet/selftest/conrpc.h index 239323679baa..374a5f31ef6f 100644 --- a/drivers/staging/lustre/lnet/selftest/conrpc.h +++ b/drivers/staging/lustre/lnet/selftest/conrpc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/console.c b/drivers/staging/lustre/lnet/selftest/console.c index 289b202c3b36..a2662638d599 100644 --- a/drivers/staging/lustre/lnet/selftest/console.c +++ b/drivers/staging/lustre/lnet/selftest/console.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/console.h b/drivers/staging/lustre/lnet/selftest/console.h index 143eae9b8d71..3933ed4cca93 100644 --- a/drivers/staging/lustre/lnet/selftest/console.h +++ b/drivers/staging/lustre/lnet/selftest/console.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c index ef27bfffc230..fe889607ff3f 100644 --- a/drivers/staging/lustre/lnet/selftest/framework.c +++ b/drivers/staging/lustre/lnet/selftest/framework.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/module.c b/drivers/staging/lustre/lnet/selftest/module.c index b5d556fa48ab..1d44d912f014 100644 --- a/drivers/staging/lustre/lnet/selftest/module.c +++ b/drivers/staging/lustre/lnet/selftest/module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -57,10 +58,13 @@ lnet_selftest_exit(void) switch (lst_init_step) { case LST_INIT_CONSOLE: lstcon_console_fini(); + /* fall through */ case LST_INIT_FW: sfw_shutdown(); + /* fall through */ case LST_INIT_RPC: srpc_shutdown(); + /* fall through */ case LST_INIT_WI_TEST: for (i = 0; i < cfs_cpt_number(lnet_cpt_table()); i++) { @@ -72,7 +76,7 @@ lnet_selftest_exit(void) sizeof(lst_sched_test[0]) * cfs_cpt_number(lnet_cpt_table())); lst_sched_test = NULL; - + /* fall through */ case LST_INIT_WI_SERIAL: cfs_wi_sched_destroy(lst_sched_serial); lst_sched_serial = NULL; diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c index 9653ac6fd619..f54bd630dbf8 100644 --- a/drivers/staging/lustre/lnet/selftest/ping_test.c +++ b/drivers/staging/lustre/lnet/selftest/ping_test.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/rpc.c b/drivers/staging/lustre/lnet/selftest/rpc.c index 77c222cca230..ab7e8a8e58b8 100644 --- a/drivers/staging/lustre/lnet/selftest/rpc.c +++ b/drivers/staging/lustre/lnet/selftest/rpc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -1037,6 +1038,7 @@ srpc_handle_rpc(struct swi_workitem *wi) ev->ev_status = rc; } } + /* fall through */ case SWI_STATE_BULK_STARTED: LASSERT(!rpc->srpc_bulk || ev->ev_fired); @@ -1237,7 +1239,8 @@ srpc_send_rpc(struct swi_workitem *wi) break; wi->swi_state = SWI_STATE_REQUEST_SENT; - /* perhaps more events, fall thru */ + /* perhaps more events */ + /* fall through */ case SWI_STATE_REQUEST_SENT: { enum srpc_msg_type type = srpc_service2reply(rpc->crpc_service); @@ -1269,6 +1272,7 @@ srpc_send_rpc(struct swi_workitem *wi) wi->swi_state = SWI_STATE_REPLY_RECEIVED; } + /* fall through */ case SWI_STATE_REPLY_RECEIVED: if (do_bulk && !rpc->crpc_bulkev.ev_fired) break; @@ -1448,6 +1452,7 @@ srpc_lnet_ev_handler(struct lnet_event *ev) srpc_data.rpc_counters.rpcs_sent++; spin_unlock(&srpc_data.rpc_glock); } + /* fall through */ case SRPC_REPLY_RCVD: case SRPC_BULK_REQ_RCVD: crpc = rpcev->ev_data; @@ -1570,7 +1575,7 @@ srpc_lnet_ev_handler(struct lnet_event *ev) if (!ev->unlinked) break; /* wait for final event */ - + /* fall through */ case SRPC_BULK_PUT_SENT: if (!ev->status && ev->type != LNET_EVENT_UNLINK) { spin_lock(&srpc_data.rpc_glock); @@ -1582,6 +1587,7 @@ srpc_lnet_ev_handler(struct lnet_event *ev) spin_unlock(&srpc_data.rpc_glock); } + /* fall through */ case SRPC_REPLY_SENT: srpc = rpcev->ev_data; scd = srpc->srpc_scd; @@ -1674,14 +1680,14 @@ srpc_shutdown(void) spin_unlock(&srpc_data.rpc_glock); stt_shutdown(); - + /* fall through */ case SRPC_STATE_EQ_INIT: rc = LNetClearLazyPortal(SRPC_FRAMEWORK_REQUEST_PORTAL); rc = LNetClearLazyPortal(SRPC_REQUEST_PORTAL); LASSERT(!rc); rc = LNetEQFree(srpc_data.rpc_lnet_eq); LASSERT(!rc); /* the EQ should have no user by now */ - + /* fall through */ case SRPC_STATE_NI_INIT: LNetNIFini(); } diff --git a/drivers/staging/lustre/lnet/selftest/rpc.h b/drivers/staging/lustre/lnet/selftest/rpc.h index 7bb442a8e698..465b5b534423 100644 --- a/drivers/staging/lustre/lnet/selftest/rpc.h +++ b/drivers/staging/lustre/lnet/selftest/rpc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/selftest.h b/drivers/staging/lustre/lnet/selftest/selftest.h index 7adad4302dcf..8c10f0f149d5 100644 --- a/drivers/staging/lustre/lnet/selftest/selftest.h +++ b/drivers/staging/lustre/lnet/selftest/selftest.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/timer.c b/drivers/staging/lustre/lnet/selftest/timer.c index 2fe692df19d0..ab125a8524c5 100644 --- a/drivers/staging/lustre/lnet/selftest/timer.c +++ b/drivers/staging/lustre/lnet/selftest/timer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lnet/selftest/timer.h b/drivers/staging/lustre/lnet/selftest/timer.h index 441d6d6b4f8e..7f0ef9bd0cda 100644 --- a/drivers/staging/lustre/lnet/selftest/timer.h +++ b/drivers/staging/lustre/lnet/selftest/timer.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/fid/fid_internal.h b/drivers/staging/lustre/lustre/fid/fid_internal.h index f48ab9d21428..b7b8f900df8e 100644 --- a/drivers/staging/lustre/lustre/fid/fid_internal.h +++ b/drivers/staging/lustre/lustre/fid/fid_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/fid/fid_lib.c b/drivers/staging/lustre/lustre/fid/fid_lib.c index c21a5f5b7621..9577da33e666 100644 --- a/drivers/staging/lustre/lustre/fid/fid_lib.c +++ b/drivers/staging/lustre/lustre/fid/fid_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/fid/fid_request.c b/drivers/staging/lustre/lustre/fid/fid_request.c index ba736239243c..009c2367f74e 100644 --- a/drivers/staging/lustre/lustre/fid/fid_request.c +++ b/drivers/staging/lustre/lustre/fid/fid_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -279,7 +280,8 @@ int seq_client_alloc_fid(const struct lu_env *env, *fid = seq->lcs_fid; mutex_unlock(&seq->lcs_mutex); - CDEBUG(D_INFO, "%s: Allocated FID " DFID "\n", seq->lcs_name, PFID(fid)); + CDEBUG(D_INFO, + "%s: Allocated FID " DFID "\n", seq->lcs_name, PFID(fid)); return rc; } EXPORT_SYMBOL(seq_client_alloc_fid); diff --git a/drivers/staging/lustre/lustre/fid/lproc_fid.c b/drivers/staging/lustre/lustre/fid/lproc_fid.c index 1a269fbc4b47..083419f77697 100644 --- a/drivers/staging/lustre/lustre/fid/lproc_fid.c +++ b/drivers/staging/lustre/lustre/fid/lproc_fid.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/fld/fld_cache.c b/drivers/staging/lustre/lustre/fld/fld_cache.c index b723ece02eff..7d6a7106c0a5 100644 --- a/drivers/staging/lustre/lustre/fld/fld_cache.c +++ b/drivers/staging/lustre/lustre/fld/fld_cache.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/fld/fld_internal.h b/drivers/staging/lustre/lustre/fld/fld_internal.h index fe6f278a7d9f..b5e3abaa508a 100644 --- a/drivers/staging/lustre/lustre/fld/fld_internal.h +++ b/drivers/staging/lustre/lustre/fld/fld_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/fld/fld_request.c b/drivers/staging/lustre/lustre/fld/fld_request.c index 5b180830eec0..068c364adda8 100644 --- a/drivers/staging/lustre/lustre/fld/fld_request.c +++ b/drivers/staging/lustre/lustre/fld/fld_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -425,7 +426,8 @@ int fld_client_lookup(struct lu_client_fld *fld, u64 seq, u32 *mds, target = fld_client_get_target(fld, seq); LASSERT(target); - CDEBUG(D_INFO, "%s: Lookup fld entry (seq: %#llx) on target %s (idx %llu)\n", + CDEBUG(D_INFO, + "%s: Lookup fld entry (seq: %#llx) on target %s (idx %llu)\n", fld->lcf_name, seq, fld_target_name(target), target->ft_idx); res.lsr_start = seq; diff --git a/drivers/staging/lustre/lustre/fld/lproc_fld.c b/drivers/staging/lustre/lustre/fld/lproc_fld.c index 6cae803fc8d2..1a6a76110c3e 100644 --- a/drivers/staging/lustre/lustre/fld/lproc_fld.c +++ b/drivers/staging/lustre/lustre/fld/lproc_fld.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/cl_object.h b/drivers/staging/lustre/lustre/include/cl_object.h index 9ba184b6017f..90419dca2e1e 100644 --- a/drivers/staging/lustre/lustre/include/cl_object.h +++ b/drivers/staging/lustre/lustre/include/cl_object.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/interval_tree.h b/drivers/staging/lustre/lustre/include/interval_tree.h index a4d7280e1fa4..7d119c1a0469 100644 --- a/drivers/staging/lustre/lustre/include/interval_tree.h +++ b/drivers/staging/lustre/lustre/include/interval_tree.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/llog_swab.h b/drivers/staging/lustre/lustre/include/llog_swab.h index 925271db4554..0433b79efdcb 100644 --- a/drivers/staging/lustre/lustre/include/llog_swab.h +++ b/drivers/staging/lustre/lustre/include/llog_swab.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lprocfs_status.h b/drivers/staging/lustre/lustre/include/lprocfs_status.h index 98d6b1364c21..835a729dd8d0 100644 --- a/drivers/staging/lustre/lustre/include/lprocfs_status.h +++ b/drivers/staging/lustre/lustre/include/lprocfs_status.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lu_object.h b/drivers/staging/lustre/lustre/include/lu_object.h index 4f213c408cfa..34e35fbff978 100644 --- a/drivers/staging/lustre/lustre/include/lu_object.h +++ b/drivers/staging/lustre/lustre/include/lu_object.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -1130,7 +1131,7 @@ struct lu_context_key { { \ type *value; \ \ - BUILD_BUG_ON(PAGE_SIZE < sizeof(*value)); \ + BUILD_BUG_ON(sizeof(*value) > PAGE_SIZE); \ \ value = kzalloc(sizeof(*value), GFP_NOFS); \ if (!value) \ @@ -1303,8 +1304,6 @@ struct lu_buf { size_t lb_len; }; -#define DLUBUF "(%p %zu)" -#define PLUBUF(buf) (buf)->lb_buf, (buf)->lb_len /** * One-time initializers, called at obdclass module initialization, not * exported. diff --git a/drivers/staging/lustre/lustre/include/lu_ref.h b/drivers/staging/lustre/lustre/include/lu_ref.h index f7dfd83951ee..ad0c24d29ffa 100644 --- a/drivers/staging/lustre/lustre/include/lu_ref.h +++ b/drivers/staging/lustre/lustre/include/lu_ref.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. diff --git a/drivers/staging/lustre/lustre/include/lustre_acl.h b/drivers/staging/lustre/lustre/include/lustre_acl.h index 9786f6caaade..35ff61ce4e9d 100644 --- a/drivers/staging/lustre/lustre/include/lustre_acl.h +++ b/drivers/staging/lustre/lustre/include/lustre_acl.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_compat.h b/drivers/staging/lustre/lustre/include/lustre_compat.h index 69bfd6a6e0f9..9f488e605083 100644 --- a/drivers/staging/lustre/lustre/include/lustre_compat.h +++ b/drivers/staging/lustre/lustre/include/lustre_compat.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_debug.h b/drivers/staging/lustre/lustre/include/lustre_debug.h index 0be6a534f712..721a81f923e3 100644 --- a/drivers/staging/lustre/lustre/include/lustre_debug.h +++ b/drivers/staging/lustre/lustre/include/lustre_debug.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_disk.h b/drivers/staging/lustre/lustre/include/lustre_disk.h index 2d862b32265b..8f1a22527006 100644 --- a/drivers/staging/lustre/lustre/include/lustre_disk.h +++ b/drivers/staging/lustre/lustre/include/lustre_disk.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h index 13c3d2fd31a8..e0b17052b2ea 100644 --- a/drivers/staging/lustre/lustre/include/lustre_dlm.h +++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h index 11331ae81d58..53db031c4c8c 100644 --- a/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h +++ b/drivers/staging/lustre/lustre/include/lustre_dlm_flags.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* -*- buffer-read-only: t -*- vi: set ro: * * This program is free software; you can redistribute it and/or modify @@ -136,7 +137,8 @@ #define ldlm_clear_cancel_on_block(_l) LDLM_CLEAR_FLAG((_l), 1ULL << 23) /** - * measure lock contention and return -EUSERS if locking contention is high */ + * measure lock contention and return -EUSERS if locking contention is high + */ #define LDLM_FL_DENY_ON_CONTENTION 0x0000000040000000ULL /* bit 30 */ #define ldlm_is_deny_on_contention(_l) LDLM_TEST_FLAG((_l), 1ULL << 30) #define ldlm_set_deny_on_contention(_l) LDLM_SET_FLAG((_l), 1ULL << 30) @@ -144,7 +146,8 @@ /** * These are flags that are mapped into the flags and ASTs of blocking - * locks Add FL_DISCARD to blocking ASTs */ + * locks Add FL_DISCARD to blocking ASTs + */ #define LDLM_FL_AST_DISCARD_DATA 0x0000000080000000ULL /* bit 31 */ #define ldlm_is_ast_discard_data(_l) LDLM_TEST_FLAG((_l), 1ULL << 31) #define ldlm_set_ast_discard_data(_l) LDLM_SET_FLAG((_l), 1ULL << 31) diff --git a/drivers/staging/lustre/lustre/include/lustre_errno.h b/drivers/staging/lustre/lustre/include/lustre_errno.h index 35aefa2cdad1..59fbb9f47ff1 100644 --- a/drivers/staging/lustre/lustre/include/lustre_errno.h +++ b/drivers/staging/lustre/lustre/include/lustre_errno.h @@ -70,16 +70,14 @@ #define LUSTRE_EROFS 30 /* Read-only file system */ #define LUSTRE_EMLINK 31 /* Too many links */ #define LUSTRE_EPIPE 32 /* Broken pipe */ -#define LUSTRE_EDOM 33 /* Math argument out of domain of - func */ +#define LUSTRE_EDOM 33 /* Math argument out of func domain */ #define LUSTRE_ERANGE 34 /* Math result not representable */ #define LUSTRE_EDEADLK 35 /* Resource deadlock would occur */ #define LUSTRE_ENAMETOOLONG 36 /* File name too long */ #define LUSTRE_ENOLCK 37 /* No record locks available */ #define LUSTRE_ENOSYS 38 /* Function not implemented */ #define LUSTRE_ENOTEMPTY 39 /* Directory not empty */ -#define LUSTRE_ELOOP 40 /* Too many symbolic links - encountered */ +#define LUSTRE_ELOOP 40 /* Too many symbolic links found */ #define LUSTRE_ENOMSG 42 /* No message of desired type */ #define LUSTRE_EIDRM 43 /* Identifier removed */ #define LUSTRE_ECHRNG 44 /* Channel number out of range */ @@ -112,23 +110,17 @@ #define LUSTRE_EMULTIHOP 72 /* Multihop attempted */ #define LUSTRE_EDOTDOT 73 /* RFS specific error */ #define LUSTRE_EBADMSG 74 /* Not a data message */ -#define LUSTRE_EOVERFLOW 75 /* Value too large for defined data - type */ +#define LUSTRE_EOVERFLOW 75 /* Value too large for data type */ #define LUSTRE_ENOTUNIQ 76 /* Name not unique on network */ #define LUSTRE_EBADFD 77 /* File descriptor in bad state */ #define LUSTRE_EREMCHG 78 /* Remote address changed */ -#define LUSTRE_ELIBACC 79 /* Can not access a needed shared - library */ -#define LUSTRE_ELIBBAD 80 /* Accessing a corrupted shared - library */ +#define LUSTRE_ELIBACC 79 /* Can't access needed shared library */ +#define LUSTRE_ELIBBAD 80 /* Access corrupted shared library */ #define LUSTRE_ELIBSCN 81 /* .lib section in a.out corrupted */ -#define LUSTRE_ELIBMAX 82 /* Attempting to link in too many shared - libraries */ -#define LUSTRE_ELIBEXEC 83 /* Cannot exec a shared library - directly */ +#define LUSTRE_ELIBMAX 82 /* Trying to link too many libraries */ +#define LUSTRE_ELIBEXEC 83 /* Cannot exec a shared lib directly */ #define LUSTRE_EILSEQ 84 /* Illegal byte sequence */ -#define LUSTRE_ERESTART 85 /* Interrupted system call should be - restarted */ +#define LUSTRE_ERESTART 85 /* Restart interrupted system call */ #define LUSTRE_ESTRPIPE 86 /* Streams pipe error */ #define LUSTRE_EUSERS 87 /* Too many users */ #define LUSTRE_ENOTSOCK 88 /* Socket operation on non-socket */ @@ -138,26 +130,20 @@ #define LUSTRE_ENOPROTOOPT 92 /* Protocol not available */ #define LUSTRE_EPROTONOSUPPORT 93 /* Protocol not supported */ #define LUSTRE_ESOCKTNOSUPPORT 94 /* Socket type not supported */ -#define LUSTRE_EOPNOTSUPP 95 /* Operation not supported on transport - endpoint */ +#define LUSTRE_EOPNOTSUPP 95 /* Operation not supported */ #define LUSTRE_EPFNOSUPPORT 96 /* Protocol family not supported */ -#define LUSTRE_EAFNOSUPPORT 97 /* Address family not supported by - protocol */ +#define LUSTRE_EAFNOSUPPORT 97 /* Address family not supported */ #define LUSTRE_EADDRINUSE 98 /* Address already in use */ #define LUSTRE_EADDRNOTAVAIL 99 /* Cannot assign requested address */ #define LUSTRE_ENETDOWN 100 /* Network is down */ #define LUSTRE_ENETUNREACH 101 /* Network is unreachable */ -#define LUSTRE_ENETRESET 102 /* Network dropped connection because of - reset */ +#define LUSTRE_ENETRESET 102 /* Network connection drop for reset */ #define LUSTRE_ECONNABORTED 103 /* Software caused connection abort */ #define LUSTRE_ECONNRESET 104 /* Connection reset by peer */ #define LUSTRE_ENOBUFS 105 /* No buffer space available */ -#define LUSTRE_EISCONN 106 /* Transport endpoint is already - connected */ -#define LUSTRE_ENOTCONN 107 /* Transport endpoint is not - connected */ -#define LUSTRE_ESHUTDOWN 108 /* Cannot send after transport endpoint - shutdown */ +#define LUSTRE_EISCONN 106 /* Transport endpoint is connected */ +#define LUSTRE_ENOTCONN 107 /* Transport endpoint not connected */ +#define LUSTRE_ESHUTDOWN 108 /* Cannot send after shutdown */ #define LUSTRE_ETOOMANYREFS 109 /* Too many references: cannot splice */ #define LUSTRE_ETIMEDOUT 110 /* Connection timed out */ #define LUSTRE_ECONNREFUSED 111 /* Connection refused */ @@ -185,8 +171,7 @@ #define LUSTRE_ERESTARTNOINTR 513 #define LUSTRE_ERESTARTNOHAND 514 /* restart if no handler.. */ #define LUSTRE_ENOIOCTLCMD 515 /* No ioctl command */ -#define LUSTRE_ERESTART_RESTARTBLOCK 516 /* restart by calling - sys_restart_syscall */ +#define LUSTRE_ERESTART_RESTARTBLOCK 516 /* restart via sys_restart_syscall */ #define LUSTRE_EBADHANDLE 521 /* Illegal NFS file handle */ #define LUSTRE_ENOTSYNC 522 /* Update synchronization mismatch */ #define LUSTRE_EBADCOOKIE 523 /* Cookie is stale */ @@ -194,10 +179,8 @@ #define LUSTRE_ETOOSMALL 525 /* Buffer or request is too small */ #define LUSTRE_ESERVERFAULT 526 /* An untranslatable error occurred */ #define LUSTRE_EBADTYPE 527 /* Type not supported by server */ -#define LUSTRE_EJUKEBOX 528 /* Request initiated, but will not - complete before timeout */ -#define LUSTRE_EIOCBQUEUED 529 /* iocb queued, will get completion - event */ +#define LUSTRE_EJUKEBOX 528 /* Request won't finish until timeout */ +#define LUSTRE_EIOCBQUEUED 529 /* iocb queued await completion event */ #define LUSTRE_EIOCBRETRY 530 /* iocb queued, will trigger a retry */ /* diff --git a/drivers/staging/lustre/lustre/include/lustre_export.h b/drivers/staging/lustre/lustre/include/lustre_export.h index 3631a69a5c6f..66ac9dc7302a 100644 --- a/drivers/staging/lustre/lustre/include/lustre_export.h +++ b/drivers/staging/lustre/lustre/include/lustre_export.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_fid.h b/drivers/staging/lustre/lustre/include/lustre_fid.h index e0f2b8295775..d19c7a27ee48 100644 --- a/drivers/staging/lustre/lustre/include/lustre_fid.h +++ b/drivers/staging/lustre/lustre/include/lustre_fid.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_fld.h b/drivers/staging/lustre/lustre/include/lustre_fld.h index 6125eb0d3395..4055bbd24c55 100644 --- a/drivers/staging/lustre/lustre/include/lustre_fld.h +++ b/drivers/staging/lustre/lustre/include/lustre_fld.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_ha.h b/drivers/staging/lustre/lustre/include/lustre_ha.h index dec1e99d594d..cbd68985ada9 100644 --- a/drivers/staging/lustre/lustre/include/lustre_ha.h +++ b/drivers/staging/lustre/lustre/include/lustre_ha.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_handles.h b/drivers/staging/lustre/lustre/include/lustre_handles.h index d49932628f32..c48c97362cf6 100644 --- a/drivers/staging/lustre/lustre/include/lustre_handles.h +++ b/drivers/staging/lustre/lustre/include/lustre_handles.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_import.h b/drivers/staging/lustre/lustre/include/lustre_import.h index d71d0473a4eb..ea158e0630e2 100644 --- a/drivers/staging/lustre/lustre/include/lustre_import.h +++ b/drivers/staging/lustre/lustre/include/lustre_import.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_intent.h b/drivers/staging/lustre/lustre/include/lustre_intent.h index ed2b6c674109..519e94fc089d 100644 --- a/drivers/staging/lustre/lustre/include/lustre_intent.h +++ b/drivers/staging/lustre/lustre/include/lustre_intent.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_kernelcomm.h b/drivers/staging/lustre/lustre/include/lustre_kernelcomm.h index f1899a3d7a40..2b3fa8430185 100644 --- a/drivers/staging/lustre/lustre/include/lustre_kernelcomm.h +++ b/drivers/staging/lustre/lustre/include/lustre_kernelcomm.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_lib.h b/drivers/staging/lustre/lustre/include/lustre_lib.h index 81b9cbffc050..ca1dce15337e 100644 --- a/drivers/staging/lustre/lustre/include/lustre_lib.h +++ b/drivers/staging/lustre/lustre/include/lustre_lib.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_linkea.h b/drivers/staging/lustre/lustre/include/lustre_linkea.h index 3ff008fee13d..03db1511bfd3 100644 --- a/drivers/staging/lustre/lustre/include/lustre_linkea.h +++ b/drivers/staging/lustre/lustre/include/lustre_linkea.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_lmv.h b/drivers/staging/lustre/lustre/include/lustre_lmv.h index 98a82be2037f..f4298e5f7543 100644 --- a/drivers/staging/lustre/lustre/include/lustre_lmv.h +++ b/drivers/staging/lustre/lustre/include/lustre_lmv.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_log.h b/drivers/staging/lustre/lustre/include/lustre_log.h index 24a7777424f6..07f4e600386b 100644 --- a/drivers/staging/lustre/lustre/include/lustre_log.h +++ b/drivers/staging/lustre/lustre/include/lustre_log.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_mdc.h b/drivers/staging/lustre/lustre/include/lustre_mdc.h index c0c44974cb1c..007e1ec3f0f4 100644 --- a/drivers/staging/lustre/lustre/include/lustre_mdc.h +++ b/drivers/staging/lustre/lustre/include/lustre_mdc.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_mds.h b/drivers/staging/lustre/lustre/include/lustre_mds.h index c424e1239fd5..6937546f1d46 100644 --- a/drivers/staging/lustre/lustre/include/lustre_mds.h +++ b/drivers/staging/lustre/lustre/include/lustre_mds.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_net.h b/drivers/staging/lustre/lustre/include/lustre_net.h index c6d1646f102a..3ff5de4770e8 100644 --- a/drivers/staging/lustre/lustre/include/lustre_net.h +++ b/drivers/staging/lustre/lustre/include/lustre_net.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_nrs.h b/drivers/staging/lustre/lustre/include/lustre_nrs.h index 51f45f7776df..ffa7317da35b 100644 --- a/drivers/staging/lustre/lustre/include/lustre_nrs.h +++ b/drivers/staging/lustre/lustre/include/lustre_nrs.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_nrs_fifo.h b/drivers/staging/lustre/lustre/include/lustre_nrs_fifo.h index 3b5418eac6c4..b70d97d4acbb 100644 --- a/drivers/staging/lustre/lustre/include/lustre_nrs_fifo.h +++ b/drivers/staging/lustre/lustre/include/lustre_nrs_fifo.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_obdo.h b/drivers/staging/lustre/lustre/include/lustre_obdo.h index 53379f861161..d67dcbb84f18 100644 --- a/drivers/staging/lustre/lustre/include/lustre_obdo.h +++ b/drivers/staging/lustre/lustre/include/lustre_obdo.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h b/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h index 5842cb18b49e..ce28ed5c1ef8 100644 --- a/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h +++ b/drivers/staging/lustre/lustre/include/lustre_patchless_compat.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_req_layout.h b/drivers/staging/lustre/lustre/include/lustre_req_layout.h index cd62ccd53e2c..213d0a01adcf 100644 --- a/drivers/staging/lustre/lustre/include/lustre_req_layout.h +++ b/drivers/staging/lustre/lustre/include/lustre_req_layout.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_sec.h b/drivers/staging/lustre/lustre/include/lustre_sec.h index 03a970bcac55..a40f706a53a1 100644 --- a/drivers/staging/lustre/lustre/include/lustre_sec.h +++ b/drivers/staging/lustre/lustre/include/lustre_sec.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/lustre_swab.h b/drivers/staging/lustre/lustre/include/lustre_swab.h index 765e923c2fc9..9d786bbe7f3f 100644 --- a/drivers/staging/lustre/lustre/include/lustre_swab.h +++ b/drivers/staging/lustre/lustre/include/lustre_swab.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h index a986737ec010..4368f4e9f208 100644 --- a/drivers/staging/lustre/lustre/include/obd.h +++ b/drivers/staging/lustre/lustre/include/obd.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/obd_cksum.h b/drivers/staging/lustre/lustre/include/obd_cksum.h index cda3d2808d2f..e5f7bb20415d 100644 --- a/drivers/staging/lustre/lustre/include/obd_cksum.h +++ b/drivers/staging/lustre/lustre/include/obd_cksum.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/obd_class.h b/drivers/staging/lustre/lustre/include/obd_class.h index 976005a1e0b2..67c535c5aa98 100644 --- a/drivers/staging/lustre/lustre/include/obd_class.h +++ b/drivers/staging/lustre/lustre/include/obd_class.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/obd_support.h b/drivers/staging/lustre/lustre/include/obd_support.h index aea193a882a2..3f4fe290f6ea 100644 --- a/drivers/staging/lustre/lustre/include/obd_support.h +++ b/drivers/staging/lustre/lustre/include/obd_support.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/include/seq_range.h b/drivers/staging/lustre/lustre/include/seq_range.h index d7175485944d..9450da728160 100644 --- a/drivers/staging/lustre/lustre/include/seq_range.h +++ b/drivers/staging/lustre/lustre/include/seq_range.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ldlm/interval_tree.c b/drivers/staging/lustre/lustre/ldlm/interval_tree.c index 19e285dd2ee1..8df7a4463c21 100644 --- a/drivers/staging/lustre/lustre/ldlm/interval_tree.c +++ b/drivers/staging/lustre/lustre/ldlm/interval_tree.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ldlm/l_lock.c b/drivers/staging/lustre/lustre/ldlm/l_lock.c index 57fd84effdfa..0662cec14b81 100644 --- a/drivers/staging/lustre/lustre/ldlm/l_lock.c +++ b/drivers/staging/lustre/lustre/ldlm/l_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c index 2cc6dc2b281f..fac9d19d50b6 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -207,7 +208,8 @@ void ldlm_extent_add_lock(struct ldlm_resource *res, continue; if (ldlm_extent_overlap(&lck->l_req_extent, &lock->l_req_extent)) { - CDEBUG(D_ERROR, "granting conflicting lock %p %p\n", + CDEBUG(D_ERROR, + "granting conflicting lock %p %p\n", lck, lock); ldlm_resource_dump(D_ERROR, res); LBUG(); diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c index cb826e9e840e..657ab95091a0 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -59,17 +60,6 @@ #include <linux/list.h> #include "ldlm_internal.h" -/** - * list_for_remaining_safe - iterate over the remaining entries in a list - * and safeguard against removal of a list entry. - * \param pos the &struct list_head to use as a loop counter. pos MUST - * have been initialized prior to using it in this macro. - * \param n another &struct list_head to use as temporary storage - * \param head the head for your list. - */ -#define list_for_remaining_safe(pos, n, head) \ - for (n = pos->next; pos != (head); pos = n, n = pos->next) - static inline int ldlm_same_flock_owner(struct ldlm_lock *lock, struct ldlm_lock *new) { @@ -88,24 +78,23 @@ ldlm_flocks_overlap(struct ldlm_lock *lock, struct ldlm_lock *new) } static inline void -ldlm_flock_destroy(struct ldlm_lock *lock, enum ldlm_mode mode, __u64 flags) +ldlm_flock_destroy(struct ldlm_lock *lock, enum ldlm_mode mode) { - LDLM_DEBUG(lock, "%s(mode: %d, flags: 0x%llx)", - __func__, mode, flags); + LDLM_DEBUG(lock, "%s(mode: %d)", + __func__, mode); /* Safe to not lock here, since it should be empty anyway */ LASSERT(hlist_unhashed(&lock->l_exp_flock_hash)); list_del_init(&lock->l_res_link); - if (flags == LDLM_FL_WAIT_NOREPROC) { - /* client side - set a flag to prevent sending a CANCEL */ - lock->l_flags |= LDLM_FL_LOCAL_ONLY | LDLM_FL_CBPENDING; - /* when reaching here, it is under lock_res_and_lock(). Thus, - * need call the nolock version of ldlm_lock_decref_internal - */ - ldlm_lock_decref_internal_nolock(lock, mode); - } + /* client side - set a flag to prevent sending a CANCEL */ + lock->l_flags |= LDLM_FL_LOCAL_ONLY | LDLM_FL_CBPENDING; + + /* when reaching here, it is under lock_res_and_lock(). Thus, + * need call the nolock version of ldlm_lock_decref_internal + */ + ldlm_lock_decref_internal_nolock(lock, mode); ldlm_lock_destroy_nolock(lock); } @@ -121,129 +110,45 @@ ldlm_flock_destroy(struct ldlm_lock *lock, enum ldlm_mode mode, __u64 flags) * It is also responsible for splitting a lock if a portion of the lock * is released. * - * If \a first_enq is 0 (ie, called from ldlm_reprocess_queue): - * - blocking ASTs have already been sent - * - * If \a first_enq is 1 (ie, called from ldlm_lock_enqueue): - * - blocking ASTs have not been sent yet, so list of conflicting locks - * would be collected and ASTs sent. */ -static int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, - int first_enq, enum ldlm_error *err, - struct list_head *work_list) +static int ldlm_process_flock_lock(struct ldlm_lock *req) { struct ldlm_resource *res = req->l_resource; struct ldlm_namespace *ns = ldlm_res_to_ns(res); - struct list_head *tmp; - struct list_head *ownlocks = NULL; - struct ldlm_lock *lock = NULL; + struct ldlm_lock *tmp; + struct ldlm_lock *lock; struct ldlm_lock *new = req; struct ldlm_lock *new2 = NULL; enum ldlm_mode mode = req->l_req_mode; int added = (mode == LCK_NL); - int overlaps = 0; int splitted = 0; const struct ldlm_callback_suite null_cbs = { }; CDEBUG(D_DLMTRACE, - "flags %#llx owner %llu pid %u mode %u start %llu end %llu\n", - *flags, new->l_policy_data.l_flock.owner, + "owner %llu pid %u mode %u start %llu end %llu\n", + new->l_policy_data.l_flock.owner, new->l_policy_data.l_flock.pid, mode, req->l_policy_data.l_flock.start, req->l_policy_data.l_flock.end); - *err = ELDLM_OK; - /* No blocking ASTs are sent to the clients for * Posix file & record locks */ req->l_blocking_ast = NULL; reprocess: - if ((*flags == LDLM_FL_WAIT_NOREPROC) || (mode == LCK_NL)) { - /* This loop determines where this processes locks start - * in the resource lr_granted list. - */ - list_for_each(tmp, &res->lr_granted) { - lock = list_entry(tmp, struct ldlm_lock, - l_res_link); - if (ldlm_same_flock_owner(lock, req)) { - ownlocks = tmp; - break; - } - } - } else { - int reprocess_failed = 0; - - lockmode_verify(mode); - - /* This loop determines if there are existing locks - * that conflict with the new lock request. - */ - list_for_each(tmp, &res->lr_granted) { - lock = list_entry(tmp, struct ldlm_lock, - l_res_link); - - if (ldlm_same_flock_owner(lock, req)) { - if (!ownlocks) - ownlocks = tmp; - continue; - } - - /* locks are compatible, overlap doesn't matter */ - if (lockmode_compat(lock->l_granted_mode, mode)) - continue; - - if (!ldlm_flocks_overlap(lock, req)) - continue; - - if (!first_enq) { - reprocess_failed = 1; - continue; - } - - if (*flags & LDLM_FL_BLOCK_NOWAIT) { - ldlm_flock_destroy(req, mode, *flags); - *err = -EAGAIN; - return LDLM_ITER_STOP; - } - - if (*flags & LDLM_FL_TEST_LOCK) { - ldlm_flock_destroy(req, mode, *flags); - req->l_req_mode = lock->l_granted_mode; - req->l_policy_data.l_flock.pid = - lock->l_policy_data.l_flock.pid; - req->l_policy_data.l_flock.start = - lock->l_policy_data.l_flock.start; - req->l_policy_data.l_flock.end = - lock->l_policy_data.l_flock.end; - *flags |= LDLM_FL_LOCK_CHANGED; - return LDLM_ITER_STOP; - } - - ldlm_resource_add_lock(res, &res->lr_waiting, req); - *flags |= LDLM_FL_BLOCK_GRANTED; - return LDLM_ITER_STOP; - } - if (reprocess_failed) - return LDLM_ITER_CONTINUE; - } - - if (*flags & LDLM_FL_TEST_LOCK) { - ldlm_flock_destroy(req, mode, *flags); - req->l_req_mode = LCK_NL; - *flags |= LDLM_FL_LOCK_CHANGED; - return LDLM_ITER_STOP; - } + /* This loop determines where this processes locks start + * in the resource lr_granted list. + */ + list_for_each_entry(lock, &res->lr_granted, l_res_link) + if (ldlm_same_flock_owner(lock, req)) + break; - /* Scan the locks owned by this process that overlap this request. + /* Scan the locks owned by this process to find the insertion point + * (as locks are ordered), and to handle overlaps. * We may have to merge or split existing locks. */ - if (!ownlocks) - ownlocks = &res->lr_granted; - - list_for_remaining_safe(ownlocks, tmp, &res->lr_granted) { - lock = list_entry(ownlocks, struct ldlm_lock, l_res_link); + list_for_each_entry_safe_from(lock, tmp, &res->lr_granted, l_res_link) { if (!ldlm_same_flock_owner(lock, new)) break; @@ -283,7 +188,7 @@ reprocess: } if (added) { - ldlm_flock_destroy(lock, mode, *flags); + ldlm_flock_destroy(lock, mode); } else { new = lock; added = 1; @@ -299,8 +204,6 @@ reprocess: lock->l_policy_data.l_flock.start) break; - ++overlaps; - if (new->l_policy_data.l_flock.start <= lock->l_policy_data.l_flock.start) { if (new->l_policy_data.l_flock.end < @@ -309,7 +212,7 @@ reprocess: new->l_policy_data.l_flock.end + 1; break; } - ldlm_flock_destroy(lock, lock->l_req_mode, *flags); + ldlm_flock_destroy(lock, lock->l_req_mode); continue; } if (new->l_policy_data.l_flock.end >= @@ -340,9 +243,7 @@ reprocess: NULL, 0, LVB_T_NONE); lock_res_and_lock(req); if (IS_ERR(new2)) { - ldlm_flock_destroy(req, lock->l_granted_mode, - *flags); - *err = PTR_ERR(new2); + ldlm_flock_destroy(req, lock->l_granted_mode); return LDLM_ITER_STOP; } goto reprocess; @@ -371,12 +272,11 @@ reprocess: &new2->l_remote_handle, &new2->l_exp_hash); } - if (*flags == LDLM_FL_WAIT_NOREPROC) - ldlm_lock_addref_internal_nolock(new2, - lock->l_granted_mode); + ldlm_lock_addref_internal_nolock(new2, + lock->l_granted_mode); /* insert new2 at lock */ - ldlm_resource_add_lock(res, ownlocks, new2); + ldlm_resource_add_lock(res, &lock->l_res_link, new2); LDLM_LOCK_RELEASE(new2); break; } @@ -390,17 +290,12 @@ reprocess: if (!added) { list_del_init(&req->l_res_link); - /* insert new lock before ownlocks in list. */ - ldlm_resource_add_lock(res, ownlocks, req); - } - - if (*flags != LDLM_FL_WAIT_NOREPROC) { - /* The only one possible case for client-side calls flock - * policy function is ldlm_flock_completion_ast inside which - * carries LDLM_FL_WAIT_NOREPROC flag. + /* insert new lock before "lock", which might be the + * next lock for this owner, or might be the first + * lock for the next owner, or might not be a lock at + * all, but instead points at the head of the list */ - CERROR("Illegal parameter for client-side-only module.\n"); - LBUG(); + ldlm_resource_add_lock(res, &lock->l_res_link, req); } /* In case we're reprocessing the requested lock we can't destroy @@ -409,7 +304,7 @@ reprocess: * could be freed before the completion AST can be sent. */ if (added) - ldlm_flock_destroy(req, mode, *flags); + ldlm_flock_destroy(req, mode); ldlm_resource_dump(D_INFO, res); return LDLM_ITER_CONTINUE; @@ -417,7 +312,6 @@ reprocess: struct ldlm_flock_wait_data { struct ldlm_lock *fwd_lock; - int fwd_generation; }; static void @@ -448,12 +342,9 @@ int ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data) { struct file_lock *getlk = lock->l_ast_data; - struct obd_device *obd; - struct obd_import *imp = NULL; - struct ldlm_flock_wait_data fwd; - struct l_wait_info lwi; - enum ldlm_error err; - int rc = 0; + struct ldlm_flock_wait_data fwd; + struct l_wait_info lwi; + int rc = 0; OBD_FAIL_TIMEOUT(OBD_FAIL_LDLM_CP_CB_WAIT2, 4); if (OBD_FAIL_PRECHECK(OBD_FAIL_LDLM_CP_CB_WAIT3)) { @@ -479,20 +370,9 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data) return 0; } - LDLM_DEBUG(lock, "client-side enqueue returned a blocked lock, sleeping"); + LDLM_DEBUG(lock, + "client-side enqueue returned a blocked lock, sleeping"); fwd.fwd_lock = lock; - obd = class_exp2obd(lock->l_conn_export); - - /* if this is a local lock, there is no import */ - if (obd) - imp = obd->u.cli.cl_import; - - if (imp) { - spin_lock(&imp->imp_lock); - fwd.fwd_generation = imp->imp_generation; - spin_unlock(&imp->imp_lock); - } - lwi = LWI_TIMEOUT_INTR(0, NULL, ldlm_flock_interrupted_wait, &fwd); /* Go to sleep until the lock is granted. */ @@ -561,10 +441,11 @@ granted: mode = lock->l_granted_mode; if (ldlm_is_flock_deadlock(lock)) { - LDLM_DEBUG(lock, "client-side enqueue deadlock received"); + LDLM_DEBUG(lock, + "client-side enqueue deadlock received"); rc = -EDEADLK; } - ldlm_flock_destroy(lock, mode, LDLM_FL_WAIT_NOREPROC); + ldlm_flock_destroy(lock, mode); unlock_res_and_lock(lock); /* Need to wake up the waiter if we were evicted */ @@ -585,7 +466,7 @@ granted: * in the lock changes we can decref the appropriate refcount. */ LASSERT(ldlm_is_test_lock(lock)); - ldlm_flock_destroy(lock, getlk->fl_type, LDLM_FL_WAIT_NOREPROC); + ldlm_flock_destroy(lock, getlk->fl_type); switch (lock->l_granted_mode) { case LCK_PR: getlk->fl_type = F_RDLCK; @@ -600,12 +481,10 @@ granted: getlk->fl_start = (loff_t)lock->l_policy_data.l_flock.start; getlk->fl_end = (loff_t)lock->l_policy_data.l_flock.end; } else { - __u64 noreproc = LDLM_FL_WAIT_NOREPROC; - /* We need to reprocess the lock to do merges or splits * with existing locks owned by this process. */ - ldlm_process_flock_lock(lock, &noreproc, 1, &err, NULL); + ldlm_process_flock_lock(lock); } unlock_res_and_lock(lock); return rc; diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c b/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c index fcb6e44bd319..2926208cdfa1 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_inodebits.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h index 36808dbe8790..bc33ca100620 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -88,7 +89,7 @@ struct ldlm_namespace *ldlm_namespace_first_locked(enum ldlm_side client); /* ldlm_request.c */ /* Cancel lru flag, it indicates we cancel aged locks. */ enum { - LDLM_LRU_FLAG_AGED = BIT(0), /* Cancel aged locks (non lru resize). */ + LDLM_LRU_FLAG_AGED = BIT(0), /* Cancel old non-LRU resize locks */ LDLM_LRU_FLAG_PASSED = BIT(1), /* Cancel passed number of locks. */ LDLM_LRU_FLAG_SHRINK = BIT(2), /* Cancel locks from shrinker. */ LDLM_LRU_FLAG_LRUR = BIT(3), /* Cancel locks from lru resize. */ diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c index 22600c2a73ea..9efd26ec59dd 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c index b5d84f3f6071..7cb61e2e7d3b 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -1035,7 +1036,8 @@ void ldlm_grant_lock(struct ldlm_lock *lock, struct list_head *work_list) ldlm_extent_add_lock(res, lock); } else if (res->lr_type == LDLM_FLOCK) { /* - * We should not add locks to granted list in the following cases: + * We should not add locks to granted list in + * the following cases: * - this is an UNLOCK but not a real lock; * - this is a TEST lock; * - this is a F_CANCELLK lock (async flock has req_mode == 0) @@ -2051,13 +2053,16 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, libcfs_debug_vmsg2(msgdata, fmt, args, " ns: \?\? lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: \?\? rrc=\?\? type: \?\?\? flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", lock, - lock->l_handle.h_cookie, atomic_read(&lock->l_refc), + lock->l_handle.h_cookie, + atomic_read(&lock->l_refc), lock->l_readers, lock->l_writers, ldlm_lockname[lock->l_granted_mode], ldlm_lockname[lock->l_req_mode], - lock->l_flags, nid, lock->l_remote_handle.cookie, + lock->l_flags, nid, + lock->l_remote_handle.cookie, exp ? atomic_read(&exp->exp_refcount) : -99, - lock->l_pid, lock->l_callback_timeout, lock->l_lvb_type); + lock->l_pid, lock->l_callback_timeout, + lock->l_lvb_type); va_end(args); return; } @@ -2067,7 +2072,8 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, libcfs_debug_vmsg2(msgdata, fmt, args, " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: " DLDLMRES " rrc: %d type: %s [%llu->%llu] (req %llu->%llu) flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", ldlm_lock_to_ns_name(lock), lock, - lock->l_handle.h_cookie, atomic_read(&lock->l_refc), + lock->l_handle.h_cookie, + atomic_read(&lock->l_refc), lock->l_readers, lock->l_writers, ldlm_lockname[lock->l_granted_mode], ldlm_lockname[lock->l_req_mode], @@ -2076,8 +2082,10 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, ldlm_typename[resource->lr_type], lock->l_policy_data.l_extent.start, lock->l_policy_data.l_extent.end, - lock->l_req_extent.start, lock->l_req_extent.end, - lock->l_flags, nid, lock->l_remote_handle.cookie, + lock->l_req_extent.start, + lock->l_req_extent.end, + lock->l_flags, nid, + lock->l_remote_handle.cookie, exp ? atomic_read(&exp->exp_refcount) : -99, lock->l_pid, lock->l_callback_timeout, lock->l_lvb_type); @@ -2087,7 +2095,8 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, libcfs_debug_vmsg2(msgdata, fmt, args, " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: " DLDLMRES " rrc: %d type: %s pid: %d [%llu->%llu] flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu\n", ldlm_lock_to_ns_name(lock), lock, - lock->l_handle.h_cookie, atomic_read(&lock->l_refc), + lock->l_handle.h_cookie, + atomic_read(&lock->l_refc), lock->l_readers, lock->l_writers, ldlm_lockname[lock->l_granted_mode], ldlm_lockname[lock->l_req_mode], @@ -2097,7 +2106,8 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, lock->l_policy_data.l_flock.pid, lock->l_policy_data.l_flock.start, lock->l_policy_data.l_flock.end, - lock->l_flags, nid, lock->l_remote_handle.cookie, + lock->l_flags, nid, + lock->l_remote_handle.cookie, exp ? atomic_read(&exp->exp_refcount) : -99, lock->l_pid, lock->l_callback_timeout); break; @@ -2115,7 +2125,8 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, lock->l_policy_data.l_inodebits.bits, atomic_read(&resource->lr_refcount), ldlm_typename[resource->lr_type], - lock->l_flags, nid, lock->l_remote_handle.cookie, + lock->l_flags, nid, + lock->l_remote_handle.cookie, exp ? atomic_read(&exp->exp_refcount) : -99, lock->l_pid, lock->l_callback_timeout, lock->l_lvb_type); @@ -2133,7 +2144,8 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, PLDLMRES(resource), atomic_read(&resource->lr_refcount), ldlm_typename[resource->lr_type], - lock->l_flags, nid, lock->l_remote_handle.cookie, + lock->l_flags, nid, + lock->l_remote_handle.cookie, exp ? atomic_read(&exp->exp_refcount) : -99, lock->l_pid, lock->l_callback_timeout, lock->l_lvb_type); diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c index e2707336586c..2d5a2c932ddc 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lockd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -184,7 +185,8 @@ static void ldlm_handle_cp_callback(struct ptlrpc_request *req, LASSERT(lock->l_lvb_data); if (unlikely(lock->l_lvb_len < lvb_len)) { - LDLM_ERROR(lock, "Replied LVB is larger than expectation, expected = %d, replied = %d", + LDLM_ERROR(lock, + "Replied LVB is larger than expectation, expected = %d, replied = %d", lock->l_lvb_len, lvb_len); rc = -EINVAL; goto out; @@ -598,7 +600,8 @@ static int ldlm_callback_handler(struct ptlrpc_request *req) lock = ldlm_handle2lock_long(&dlm_req->lock_handle[0], 0); if (!lock) { - CDEBUG(D_DLMTRACE, "callback on lock %#llx - lock disappeared\n", + CDEBUG(D_DLMTRACE, + "callback on lock %#llx - lock disappeared\n", dlm_req->lock_handle[0].cookie); rc = ldlm_callback_reply(req, -EINVAL); ldlm_callback_errmsg(req, "Operate with invalid parameter", rc, diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_plain.c b/drivers/staging/lustre/lustre/ldlm/ldlm_plain.c index 1ca605fe25ff..33b5a3f96fcb 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_plain.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_plain.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c index d77bf0baa84f..da65d00a7811 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_pool.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -386,7 +387,8 @@ static int ldlm_pool_recalc(struct ldlm_pool *pl) pl->pl_recalc_period; if (recalc_interval_sec <= 0) { /* DEBUG: should be re-removed after LU-4536 is fixed */ - CDEBUG(D_DLMTRACE, "%s: Negative interval(%ld), too short period(%ld)\n", + CDEBUG(D_DLMTRACE, + "%s: Negative interval(%ld), too short period(%ld)\n", pl->pl_name, (long)recalc_interval_sec, (long)pl->pl_recalc_period); @@ -415,7 +417,8 @@ static int ldlm_pool_shrink(struct ldlm_pool *pl, int nr, gfp_t gfp_mask) lprocfs_counter_add(pl->pl_stats, LDLM_POOL_SHRINK_FREED_STAT, cancel); - CDEBUG(D_DLMTRACE, "%s: request to shrink %d locks, shrunk %d\n", + CDEBUG(D_DLMTRACE, + "%s: request to shrink %d locks, shrunk %d\n", pl->pl_name, nr, cancel); } } diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c index f3bf238d0748..02ea14c9b089 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_request.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -121,7 +122,8 @@ static int ldlm_expired_completion_wait(void *data) if (!lock->l_conn_export) { static unsigned long next_dump, last_dump; - LDLM_ERROR(lock, "lock timed out (enqueued at %lld, %llds ago); not entering recovery in server code, just going back to sleep", + LDLM_ERROR(lock, + "lock timed out (enqueued at %lld, %llds ago); not entering recovery in server code, just going back to sleep", (s64)lock->l_last_activity, (s64)(ktime_get_real_seconds() - lock->l_last_activity)); @@ -139,7 +141,8 @@ static int ldlm_expired_completion_wait(void *data) obd = lock->l_conn_export->exp_obd; imp = obd->u.cli.cl_import; ptlrpc_fail_import(imp, lwd->lwd_conn_cnt); - LDLM_ERROR(lock, "lock timed out (enqueued at %lld, %llds ago), entering recovery for %s@%s", + LDLM_ERROR(lock, + "lock timed out (enqueued at %lld, %llds ago), entering recovery for %s@%s", (s64)lock->l_last_activity, (s64)(ktime_get_real_seconds() - lock->l_last_activity), obd2cli_tgt(obd), imp->imp_connection->c_remote_uuid.uuid); @@ -218,7 +221,8 @@ int ldlm_completion_ast_async(struct ldlm_lock *lock, __u64 flags, void *data) return ldlm_completion_tail(lock, data); } - LDLM_DEBUG(lock, "client-side enqueue returned a blocked lock, going forward"); + LDLM_DEBUG(lock, + "client-side enqueue returned a blocked lock, going forward"); return 0; } EXPORT_SYMBOL(ldlm_completion_ast_async); @@ -264,7 +268,8 @@ int ldlm_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data) return 0; } - LDLM_DEBUG(lock, "client-side enqueue returned a blocked lock, sleeping"); + LDLM_DEBUG(lock, + "client-side enqueue returned a blocked lock, sleeping"); noreproc: @@ -414,7 +419,8 @@ int ldlm_cli_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req, rc = size; goto cleanup; } else if (unlikely(size > lvb_len)) { - LDLM_ERROR(lock, "Replied LVB is larger than expectation, expected = %d, replied = %d", + LDLM_ERROR(lock, + "Replied LVB is larger than expectation, expected = %d, replied = %d", lvb_len, size); rc = -EINVAL; goto cleanup; @@ -473,8 +479,8 @@ int ldlm_cli_enqueue_fini(struct obd_export *exp, struct ptlrpc_request *req, if (!ldlm_res_eq(&reply->lock_desc.l_resource.lr_name, &lock->l_resource->lr_name)) { - CDEBUG(D_INFO, "remote intent success, locking " DLDLMRES - " instead of " DLDLMRES "\n", + CDEBUG(D_INFO, + "remote intent success, locking " DLDLMRES " instead of " DLDLMRES "\n", PLDLMRES(&reply->lock_desc.l_resource), PLDLMRES(lock->l_resource)); @@ -850,7 +856,8 @@ static __u64 ldlm_cli_cancel_local(struct ldlm_lock *lock) unlock_res_and_lock(lock); if (local_only) { - CDEBUG(D_DLMTRACE, "not sending request (at caller's instruction)\n"); + CDEBUG(D_DLMTRACE, + "not sending request (at caller's instruction)\n"); rc = LDLM_FL_LOCAL_ONLY; } ldlm_lock_cancel(lock); @@ -963,7 +970,8 @@ static int ldlm_cli_cancel_req(struct obd_export *exp, rc = ptlrpc_queue_wait(req); if (rc == LUSTRE_ESTALE) { - CDEBUG(D_DLMTRACE, "client/server (nid %s) out of sync -- not fatal\n", + CDEBUG(D_DLMTRACE, + "client/server (nid %s) out of sync -- not fatal\n", libcfs_nid2str(req->rq_import-> imp_connection->c_peer.nid)); rc = 0; @@ -1175,6 +1183,7 @@ ldlm_cancel_no_wait_policy(struct ldlm_namespace *ns, struct ldlm_lock *lock, case LDLM_IBITS: if (ns->ns_cancel && ns->ns_cancel(lock) != 0) break; + /* fall through */ default: result = LDLM_POLICY_SKIP_LOCK; lock_res_and_lock(lock); @@ -1363,13 +1372,14 @@ ldlm_cancel_lru_policy(struct ldlm_namespace *ns, int flags) * flags & LDLM_LRU_FLAG_LRUR - use LRU resize policy (SLV from server) to * cancel not more than \a count locks; * - * flags & LDLM_LRU_FLAG_PASSED - cancel \a count number of old locks (located at - * the beginning of LRU list); + * flags & LDLM_LRU_FLAG_PASSED - cancel \a count number of old locks (located + * at the beginning of LRU list); * - * flags & LDLM_LRU_FLAG_SHRINK - cancel not more than \a count locks according to - * memory pressure policy function; + * flags & LDLM_LRU_FLAG_SHRINK - cancel not more than \a count locks according + * to memory pressure policy function; * - * flags & LDLM_LRU_FLAG_AGED - cancel \a count locks according to "aged policy". + * flags & LDLM_LRU_FLAG_AGED - cancel \a count locks according to + * "aged policy". * * flags & LDLM_LRU_FLAG_NO_WAIT - cancel as many unused locks as possible * (typically before replaying locks) w/o @@ -1383,7 +1393,8 @@ static int ldlm_prepare_lru_list(struct ldlm_namespace *ns, ldlm_cancel_lru_policy_t pf; struct ldlm_lock *lock, *next; int added = 0, unused, remained; - int no_wait = flags & (LDLM_LRU_FLAG_NO_WAIT | LDLM_LRU_FLAG_LRUR_NO_WAIT); + int no_wait = flags & + (LDLM_LRU_FLAG_NO_WAIT | LDLM_LRU_FLAG_LRUR_NO_WAIT); spin_lock(&ns->ns_lock); unused = ns->ns_nr_unused; @@ -2034,7 +2045,8 @@ static void ldlm_cancel_unused_locks_for_replay(struct ldlm_namespace *ns) int canceled; LIST_HEAD(cancels); - CDEBUG(D_DLMTRACE, "Dropping as many unused locks as possible before replay for namespace %s (%d)\n", + CDEBUG(D_DLMTRACE, + "Dropping as many unused locks as possible before replay for namespace %s (%d)\n", ldlm_ns_name(ns), ns->ns_nr_unused); /* We don't need to care whether or not LRU resize is enabled diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c index c2ddf7312571..2689ffdf10e3 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_resource.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -1358,7 +1359,8 @@ void ldlm_resource_dump(int level, struct ldlm_resource *res) LDLM_DEBUG_LIMIT(level, lock, "###"); if (!(level & D_CANTMASK) && ++granted > ldlm_dump_granted_max) { - CDEBUG(level, "only dump %d granted locks to avoid DDOS.\n", + CDEBUG(level, + "only dump %d granted locks to avoid DDOS.\n", granted); break; } diff --git a/drivers/staging/lustre/lustre/llite/Makefile b/drivers/staging/lustre/lustre/llite/Makefile index ef7adef4ccc5..519fd747e3ad 100644 --- a/drivers/staging/lustre/lustre/llite/Makefile +++ b/drivers/staging/lustre/lustre/llite/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include diff --git a/drivers/staging/lustre/lustre/llite/dcache.c b/drivers/staging/lustre/lustre/llite/dcache.c index 3670fcaf373f..549369739d80 100644 --- a/drivers/staging/lustre/lustre/llite/dcache.c +++ b/drivers/staging/lustre/lustre/llite/dcache.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -141,7 +142,8 @@ void ll_intent_drop_lock(struct lookup_intent *it) handle.cookie = it->it_lock_handle; - CDEBUG(D_DLMTRACE, "releasing lock with cookie %#llx from it %p\n", + CDEBUG(D_DLMTRACE, + "releasing lock with cookie %#llx from it %p\n", handle.cookie, it); ldlm_lock_decref(&handle, it->it_lock_mode); @@ -152,7 +154,8 @@ void ll_intent_drop_lock(struct lookup_intent *it) if (it->it_remote_lock_mode != 0) { handle.cookie = it->it_remote_lock_handle; - CDEBUG(D_DLMTRACE, "releasing remote lock with cookie%#llx from it %p\n", + CDEBUG(D_DLMTRACE, + "releasing remote lock with cookie%#llx from it %p\n", handle.cookie, it); ldlm_lock_decref(&handle, it->it_remote_lock_mode); @@ -185,7 +188,8 @@ void ll_invalidate_aliases(struct inode *inode) spin_lock(&inode->i_lock); hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { - CDEBUG(D_DENTRY, "dentry in drop %pd (%p) parent %p inode %p flags %d\n", + CDEBUG(D_DENTRY, + "dentry in drop %pd (%p) parent %p inode %p flags %d\n", dentry, dentry, dentry->d_parent, d_inode(dentry), dentry->d_flags); diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index 1db3e7f345c5..5b2e47c246f3 100644 --- a/drivers/staging/lustre/lustre/llite/dir.c +++ b/drivers/staging/lustre/lustre/llite/dir.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -303,7 +304,8 @@ static int ll_readdir(struct file *filp, struct dir_context *ctx) struct md_op_data *op_data; int rc; - CDEBUG(D_VFSTRACE, "VFS Op:inode=" DFID "(%p) pos/size %lu/%llu 32bit_api %d\n", + CDEBUG(D_VFSTRACE, + "VFS Op:inode=" DFID "(%p) pos/size %lu/%llu 32bit_api %d\n", PFID(ll_inode2fid(inode)), inode, (unsigned long)pos, i_size_read(inode), api32); @@ -502,7 +504,8 @@ int ll_dir_setstripe(struct inode *inode, struct lov_user_md *lump, break; } default: { - CDEBUG(D_IOCTL, "bad userland LOV MAGIC: %#08x != %#08x nor %#08x\n", + CDEBUG(D_IOCTL, + "bad userland LOV MAGIC: %#08x != %#08x nor %#08x\n", lump->lmm_magic, LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3); return -EINVAL; @@ -732,10 +735,10 @@ static int ll_ioc_copy_start(struct super_block *sb, struct hsm_copy *copy) rc = ll_data_version(inode, &data_version, LL_DV_RD_FLUSH); iput(inode); if (rc != 0) { - CDEBUG(D_HSM, "Could not read file data version of " - DFID " (rc = %d). Archive request (%#llx) could not be done.\n", - PFID(©->hc_hai.hai_fid), rc, - copy->hc_hai.hai_cookie); + CDEBUG(D_HSM, + "Could not read file data version of " DFID " (rc = %d). Archive request (%#llx) could not be done.\n", + PFID(©->hc_hai.hai_fid), rc, + copy->hc_hai.hai_cookie); hpk.hpk_flags |= HP_FLAG_RETRY; /* hpk_errval must be >= 0 */ hpk.hpk_errval = -rc; @@ -816,7 +819,8 @@ static int ll_ioc_copy_end(struct super_block *sb, struct hsm_copy *copy) rc = ll_data_version(inode, &data_version, LL_DV_RD_FLUSH); iput(inode); if (rc) { - CDEBUG(D_HSM, "Could not read file data version. Request could not be confirmed.\n"); + CDEBUG(D_HSM, + "Could not read file data version. Request could not be confirmed.\n"); if (hpk.hpk_errval == 0) hpk.hpk_errval = -rc; goto progress; @@ -832,8 +836,7 @@ static int ll_ioc_copy_end(struct super_block *sb, struct hsm_copy *copy) */ if ((copy->hc_hai.hai_action == HSMA_ARCHIVE) && (copy->hc_data_version != data_version)) { - CDEBUG(D_HSM, "File data version mismatched. File content was changed during archiving. " - DFID ", start:%#llx current:%#llx\n", + CDEBUG(D_HSM, "File data version mismatched. File content was changed during archiving. " DFID ", start:%#llx current:%#llx\n", PFID(©->hc_hai.hai_fid), copy->hc_data_version, data_version); /* File was changed, send error to cdt. Do not ask for diff --git a/drivers/staging/lustre/lustre/llite/file.c b/drivers/staging/lustre/lustre/llite/file.c index be665454f407..2d6e64dea266 100644 --- a/drivers/staging/lustre/lustre/llite/file.c +++ b/drivers/staging/lustre/lustre/llite/file.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -386,8 +387,8 @@ static int ll_intent_file_open(struct dentry *de, void *lmm, int lmmsize, ll_finish_md_op_data(op_data); if (rc == -ESTALE) { /* reason for keep own exit path - don`t flood log - * with messages with -ESTALE errors. - */ + * with messages with -ESTALE errors. + */ if (!it_disposition(itp, DISP_OPEN_OPEN) || it_open_error(DISP_OPEN_OPEN, itp)) goto out; @@ -605,7 +606,8 @@ restart: * to get file with different fid. */ it->it_flags |= MDS_OPEN_LOCK | MDS_OPEN_BY_FID; - rc = ll_intent_file_open(file->f_path.dentry, NULL, 0, it); + rc = ll_intent_file_open(file->f_path.dentry, + NULL, 0, it); if (rc) goto out_openerr; @@ -1119,7 +1121,8 @@ out: cl_io_fini(env, io); if ((!rc || rc == -ENODATA) && count > 0 && io->ci_need_restart) { - CDEBUG(D_VFSTRACE, "%s: restart %s from %lld, count:%zu, result: %zd\n", + CDEBUG(D_VFSTRACE, + "%s: restart %s from %lld, count:%zu, result: %zd\n", file_dentry(file)->d_name.name, iot == CIT_READ ? "read" : "write", *ppos, count, result); @@ -3455,7 +3458,8 @@ out: if (rc == 0) rc = -EAGAIN; - CDEBUG(D_INODE, "%s: file=" DFID " waiting layout return: %d.\n", + CDEBUG(D_INODE, + "%s: file=" DFID " waiting layout return: %d.\n", ll_get_fsname(inode->i_sb, NULL, 0), PFID(&lli->lli_fid), rc); } diff --git a/drivers/staging/lustre/lustre/llite/glimpse.c b/drivers/staging/lustre/lustre/llite/glimpse.c index 34c2cfecf4b8..c43ac574274c 100644 --- a/drivers/staging/lustre/lustre/llite/glimpse.c +++ b/drivers/staging/lustre/lustre/llite/glimpse.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/lcommon_cl.c b/drivers/staging/lustre/lustre/llite/lcommon_cl.c index d2392e4c6872..df5c0c0ae703 100644 --- a/drivers/staging/lustre/lustre/llite/lcommon_cl.c +++ b/drivers/staging/lustre/lustre/llite/lcommon_cl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/lcommon_misc.c b/drivers/staging/lustre/lustre/llite/lcommon_misc.c index 422f410d95c1..a246b955306e 100644 --- a/drivers/staging/lustre/lustre/llite/lcommon_misc.c +++ b/drivers/staging/lustre/lustre/llite/lcommon_misc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h index 0287c751e1cd..b133fd00c08c 100644 --- a/drivers/staging/lustre/lustre/llite/llite_internal.h +++ b/drivers/staging/lustre/lustre/llite/llite_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -84,7 +85,7 @@ struct ll_dentry_data { struct ll_getname_data { struct dir_context ctx; - char *lgd_name; /* points to a buffer with NAME_MAX+1 size */ + char *lgd_name; /* points to buffer with NAME_MAX+1 size */ struct lu_fid lgd_fid; /* target fid we are looking for */ int lgd_found; /* inode matched? */ }; @@ -392,7 +393,8 @@ enum stats_track_type { #define LL_SBI_XATTR_CACHE 0x80000 /* support for xattr cache */ #define LL_SBI_NOROOTSQUASH 0x100000 /* do not apply root squash */ #define LL_SBI_ALWAYS_PING 0x200000 /* always ping even if server - * suppress_pings */ + * suppress_pings + */ #define LL_SBI_FLAGS { \ "nolck", \ @@ -637,7 +639,8 @@ static inline int ll_need_32bit_api(struct ll_sb_info *sbi) #if BITS_PER_LONG == 32 return 1; #elif defined(CONFIG_COMPAT) - return unlikely(in_compat_syscall() || (sbi->ll_flags & LL_SBI_32BIT_API)); + return unlikely(in_compat_syscall() || + (sbi->ll_flags & LL_SBI_32BIT_API)); #else return unlikely(sbi->ll_flags & LL_SBI_32BIT_API); #endif @@ -1065,7 +1068,7 @@ struct ll_statahead_info { * hidden entries */ sai_agl_valid:1,/* AGL is valid for the dir */ - sai_in_readpage:1;/* statahead is in readdir() */ + sai_in_readpage:1;/* statahead in readdir() */ wait_queue_head_t sai_waitq; /* stat-ahead wait queue */ struct ptlrpc_thread sai_thread; /* stat-ahead thread */ struct ptlrpc_thread sai_agl_thread; /* AGL thread */ @@ -1198,7 +1201,7 @@ typedef enum llioc_iter (*llioc_callback_t)(struct inode *inode, * Return value: * A magic pointer will be returned if success; * otherwise, NULL will be returned. - * */ + */ void *ll_iocontrol_register(llioc_callback_t cb, int count, unsigned int *cmd); void ll_iocontrol_unregister(void *magic); @@ -1261,7 +1264,8 @@ static inline void ll_set_lock_data(struct obd_export *exp, struct inode *inode, handle.cookie = it->it_lock_handle; - CDEBUG(D_DLMTRACE, "setting l_data to inode " DFID "%p for lock %#llx\n", + CDEBUG(D_DLMTRACE, + "setting l_data to inode " DFID "%p for lock %#llx\n", PFID(ll_inode2fid(inode)), inode, handle.cookie); md_set_lock_data(exp, &handle, inode, &it->it_lock_bits); @@ -1284,7 +1288,8 @@ static inline int d_lustre_invalid(const struct dentry *dentry) */ static inline void d_lustre_invalidate(struct dentry *dentry, int nested) { - CDEBUG(D_DENTRY, "invalidate dentry %pd (%p) parent %p inode %p refc %d\n", + CDEBUG(D_DENTRY, + "invalidate dentry %pd (%p) parent %p inode %p refc %d\n", dentry, dentry, dentry->d_parent, d_inode(dentry), d_count(dentry)); diff --git a/drivers/staging/lustre/lustre/llite/llite_lib.c b/drivers/staging/lustre/lustre/llite/llite_lib.c index 25393e3a0fe8..65ac5128f005 100644 --- a/drivers/staging/lustre/lustre/llite/llite_lib.c +++ b/drivers/staging/lustre/lustre/llite/llite_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -231,7 +232,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, err = obd_connect(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, data, NULL); if (err == -EBUSY) { - LCONSOLE_ERROR_MSG(0x14f, "An MDT (md %s) is performing recovery, of which this client is not a part. Please wait for recovery to complete, abort, or time out.\n", + LCONSOLE_ERROR_MSG(0x14f, + "An MDT (md %s) is performing recovery, of which this client is not a part. Please wait for recovery to complete, abort, or time out.\n", md); goto out; } else if (err) { @@ -279,7 +281,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, } obd_connect_flags2str(buf, PAGE_SIZE, valid ^ CLIENT_CONNECT_MDT_REQD, ","); - LCONSOLE_ERROR_MSG(0x170, "Server %s does not support feature(s) needed for correct operation of this client (%s). Please upgrade server or downgrade client.\n", + LCONSOLE_ERROR_MSG(0x170, + "Server %s does not support feature(s) needed for correct operation of this client (%s). Please upgrade server or downgrade client.\n", sbi->ll_md_exp->exp_obd->obd_name, buf); kfree(buf); err = -EPROTO; @@ -380,7 +383,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, if (sbi->ll_flags & LL_SBI_ALWAYS_PING) data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS; - CDEBUG(D_RPCTRACE, "ocd_connect_flags: %#llx ocd_version: %d ocd_grant: %d\n", + CDEBUG(D_RPCTRACE, + "ocd_connect_flags: %#llx ocd_version: %d ocd_grant: %d\n", data->ocd_connect_flags, data->ocd_version, data->ocd_grant); @@ -392,7 +396,8 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt, err = obd_connect(NULL, &sbi->ll_dt_exp, obd, &sbi->ll_sb_uuid, data, NULL); if (err == -EBUSY) { - LCONSOLE_ERROR_MSG(0x150, "An OST (dt %s) is performing recovery, of which this client is not a part. Please wait for recovery to complete, abort, or time out.\n", + LCONSOLE_ERROR_MSG(0x150, + "An OST (dt %s) is performing recovery, of which this client is not a part. Please wait for recovery to complete, abort, or time out.\n", dt); goto out_md; } else if (err) { @@ -915,7 +920,8 @@ int ll_fill_super(struct super_block *sb, struct vfsmount *mnt) /* Profile set with LCFG_MOUNTOPT so we can find our mdc and osc obds */ lprof = class_get_profile(profilenm); if (!lprof) { - LCONSOLE_ERROR_MSG(0x156, "The client profile '%s' could not be read from the MGS. Does that filesystem exist?\n", + LCONSOLE_ERROR_MSG(0x156, + "The client profile '%s' could not be read from the MGS. Does that filesystem exist?\n", profilenm); err = -EINVAL; goto out_free; @@ -1042,7 +1048,8 @@ struct inode *ll_inode_from_resource_lock(struct ldlm_lock *lock) } else { inode = lock->l_resource->lr_lvb_inode; LDLM_DEBUG_LIMIT(inode->i_state & I_FREEING ? D_INFO : - D_WARNING, lock, "lr_lvb_inode %p is bogus: magic %08x", + D_WARNING, lock, + "lr_lvb_inode %p is bogus: magic %08x", lock->l_resource->lr_lvb_inode, lli->lli_inode_magic); inode = NULL; @@ -1744,7 +1751,8 @@ int ll_update_inode(struct inode *inode, struct lustre_md *md) } if (body->mbo_valid & OBD_MD_FLMTIME) { if (body->mbo_mtime > LTIME_S(inode->i_mtime)) { - CDEBUG(D_INODE, "setting ino %lu mtime from %lu to %llu\n", + CDEBUG(D_INODE, + "setting ino %lu mtime from %lu to %llu\n", inode->i_ino, LTIME_S(inode->i_mtime), body->mbo_mtime); LTIME_S(inode->i_mtime) = body->mbo_mtime; @@ -2254,7 +2262,8 @@ int ll_process_config(struct lustre_cfg *lcfg) return -EINVAL; sb = (void *)x; /* This better be a real Lustre superblock! */ - LASSERT(s2lsi((struct super_block *)sb)->lsi_lmd->lmd_magic == LMD_MAGIC); + LASSERT(s2lsi((struct super_block *)sb)->lsi_lmd->lmd_magic == + LMD_MAGIC); /* Note we have not called client_common_fill_super yet, so * proc fns must be able to handle that! @@ -2571,8 +2580,9 @@ static int ll_linkea_decode(struct linkea_data *ldata, unsigned int linkno, * * \param[in] file - File descriptor against which to perform the operation * \param[in,out] arg - User-filled structure containing the linkno to operate - * on and the available size. It is eventually filled with - * the requested information or left untouched on error + * on and the available size. It is eventually filled + * with the requested information or left untouched on + * error * * \retval - 0 on success * \retval - Appropriate negative error code on failure diff --git a/drivers/staging/lustre/lustre/llite/llite_mmap.c b/drivers/staging/lustre/lustre/llite/llite_mmap.c index ccc7ae15a943..c0533bd6f352 100644 --- a/drivers/staging/lustre/lustre/llite/llite_mmap.c +++ b/drivers/staging/lustre/lustre/llite/llite_mmap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -208,7 +209,8 @@ static int ll_page_mkwrite0(struct vm_area_struct *vma, struct page *vmpage, */ unlock_page(vmpage); - CDEBUG(D_MMAP, "Race on page_mkwrite %p/%lu, page has been written out, retry.\n", + CDEBUG(D_MMAP, + "Race on page_mkwrite %p/%lu, page has been written out, retry.\n", vmpage, vmpage->index); *retry = true; diff --git a/drivers/staging/lustre/lustre/llite/llite_nfs.c b/drivers/staging/lustre/lustre/llite/llite_nfs.c index e50c637fab54..a6a1d80c711a 100644 --- a/drivers/staging/lustre/lustre/llite/llite_nfs.c +++ b/drivers/staging/lustre/lustre/llite/llite_nfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -127,7 +128,8 @@ struct lustre_nfs_fid { }; static struct dentry * -ll_iget_for_nfs(struct super_block *sb, struct lu_fid *fid, struct lu_fid *parent) +ll_iget_for_nfs(struct super_block *sb, + struct lu_fid *fid, struct lu_fid *parent) { struct inode *inode; struct dentry *result; diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index e3bd2d18eac5..644bea2f9d37 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index 5cc2b3255207..a2687f46a16d 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -204,7 +205,8 @@ int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, if (!fid_res_name_eq(ll_inode2fid(inode), &lock->l_resource->lr_name)) { - LDLM_ERROR(lock, "data mismatch with object " DFID "(%p)", + LDLM_ERROR(lock, + "data mismatch with object " DFID "(%p)", PFID(ll_inode2fid(inode)), inode); LBUG(); } @@ -289,7 +291,8 @@ int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc, * we have to invalidate the negative children * on master inode */ - CDEBUG(D_INODE, "Invalidate s" DFID " m" DFID "\n", + CDEBUG(D_INODE, + "Invalidate s" DFID " m" DFID "\n", PFID(ll_inode2fid(inode)), PFID(&lli->lli_pfid)); @@ -736,7 +739,8 @@ static int ll_atomic_open(struct inode *dir, struct dentry *dentry, *opened |= FILE_CREATED; } - if (d_really_is_positive(dentry) && it_disposition(it, DISP_OPEN_OPEN)) { + if (d_really_is_positive(dentry) && + it_disposition(it, DISP_OPEN_OPEN)) { /* Open dentry. */ if (S_ISFIFO(d_inode(dentry)->i_mode)) { /* We cannot call open here as it might @@ -949,7 +953,9 @@ static int ll_mknod(struct inode *dir, struct dentry *dchild, switch (mode & S_IFMT) { case 0: - mode |= S_IFREG; /* for mode = 0 case, fallthrough */ + mode |= S_IFREG; + /* for mode = 0 case */ + /* fall through */ case S_IFREG: case S_IFCHR: case S_IFBLK: @@ -980,7 +986,8 @@ static int ll_create_nd(struct inode *dir, struct dentry *dentry, { int rc; - CDEBUG(D_VFSTRACE, "VFS Op:name=%pd, dir=" DFID "(%p), flags=%u, excl=%d\n", + CDEBUG(D_VFSTRACE, + "VFS Op:name=%pd, dir=" DFID "(%p), flags=%u, excl=%d\n", dentry, PFID(ll_inode2fid(dir)), dir, mode, want_excl); rc = ll_mknod(dir, dentry, mode, 0); @@ -1101,7 +1108,8 @@ static int ll_link(struct dentry *old_dentry, struct inode *dir, struct md_op_data *op_data; int err; - CDEBUG(D_VFSTRACE, "VFS Op: inode=" DFID "(%p), dir=" DFID "(%p), target=%pd\n", + CDEBUG(D_VFSTRACE, + "VFS Op: inode=" DFID "(%p), dir=" DFID "(%p), target=%pd\n", PFID(ll_inode2fid(src)), src, PFID(ll_inode2fid(dir)), dir, new_dentry); diff --git a/drivers/staging/lustre/lustre/llite/range_lock.c b/drivers/staging/lustre/lustre/llite/range_lock.c index a32598bacdfb..cc9565f6bfe2 100644 --- a/drivers/staging/lustre/lustre/llite/range_lock.c +++ b/drivers/staging/lustre/lustre/llite/range_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/range_lock.h b/drivers/staging/lustre/lustre/llite/range_lock.h index 1e1519b1e006..38b2be4e378f 100644 --- a/drivers/staging/lustre/lustre/llite/range_lock.h +++ b/drivers/staging/lustre/lustre/llite/range_lock.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/rw.c b/drivers/staging/lustre/lustre/llite/rw.c index e72090572bcc..3e008ce7275d 100644 --- a/drivers/staging/lustre/lustre/llite/rw.c +++ b/drivers/staging/lustre/lustre/llite/rw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -297,7 +298,8 @@ stride_pg_count(pgoff_t st_off, unsigned long st_len, unsigned long st_pgs, else pg_count = start_left + st_pgs * (end - start - 1) + end_left; - CDEBUG(D_READA, "st_off %lu, st_len %lu st_pgs %lu off %lu length %lu pgcount %lu\n", + CDEBUG(D_READA, + "st_off %lu, st_len %lu st_pgs %lu off %lu length %lu pgcount %lu\n", st_off, st_len, st_pgs, off, length, pg_count); return pg_count; @@ -404,7 +406,8 @@ ll_read_ahead_pages(const struct lu_env *env, struct cl_io *io, * forward read-ahead, it will be fixed when backward * read-ahead is implemented */ - LASSERTF(page_idx >= ria->ria_stoff, "Invalid page_idx %lu rs %lu re %lu ro %lu rl %lu rp %lu\n", + LASSERTF(page_idx >= ria->ria_stoff, + "Invalid page_idx %lu rs %lu re %lu ro %lu rl %lu rp %lu\n", page_idx, ria->ria_start, ria->ria_end, ria->ria_stoff, ria->ria_length, ria->ria_pages); @@ -669,8 +672,9 @@ static void ras_stride_increase_window(struct ll_readahead_state *ras, unsigned long stride_len; LASSERT(ras->ras_stride_length > 0); - LASSERTF(ras->ras_window_start + ras->ras_window_len - >= ras->ras_stride_offset, "window_start %lu, window_len %lu stride_offset %lu\n", + LASSERTF(ras->ras_window_start + ras->ras_window_len >= + ras->ras_stride_offset, + "window_start %lu, window_len %lu stride_offset %lu\n", ras->ras_window_start, ras->ras_window_len, ras->ras_stride_offset); @@ -766,7 +770,8 @@ static void ras_update(struct ll_sb_info *sbi, struct inode *inode, PAGE_SHIFT; CDEBUG(D_READA, "kmsp %llu mwp %lu mp %lu\n", kms_pages, - ra->ra_max_read_ahead_whole_pages, ra->ra_max_pages_per_file); + ra->ra_max_read_ahead_whole_pages, + ra->ra_max_pages_per_file); if (kms_pages && kms_pages <= ra->ra_max_read_ahead_whole_pages) { @@ -884,7 +889,8 @@ static void ras_update(struct ll_sb_info *sbi, struct inode *inode, /* The initial ras_window_len is set to the request size. To avoid * uselessly reading and discarding pages for random IO the window is - * only increased once per consecutive request received. */ + * only increased once per consecutive request received. + */ if ((ras->ras_consecutive_requests > 1 || stride_detect) && !ras->ras_request_index) ras_increase_window(inode, ras, ra); diff --git a/drivers/staging/lustre/lustre/llite/rw26.c b/drivers/staging/lustre/lustre/llite/rw26.c index 3619cd8bb5f3..722e5ea1af5f 100644 --- a/drivers/staging/lustre/lustre/llite/rw26.c +++ b/drivers/staging/lustre/lustre/llite/rw26.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/statahead.c b/drivers/staging/lustre/lustre/llite/statahead.c index ea9d59f07b78..90c7324575e4 100644 --- a/drivers/staging/lustre/lustre/llite/statahead.c +++ b/drivers/staging/lustre/lustre/llite/statahead.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -1082,7 +1083,8 @@ static int ll_statahead_thread(void *arg) struct ll_inode_info *clli; clli = list_entry(sai->sai_agls.next, - struct ll_inode_info, lli_agl_list); + struct ll_inode_info, + lli_agl_list); list_del_init(&clli->lli_agl_list); spin_unlock(&lli->lli_agl_lock); diff --git a/drivers/staging/lustre/lustre/llite/super25.c b/drivers/staging/lustre/lustre/llite/super25.c index 0da4af81b830..0bda111a096e 100644 --- a/drivers/staging/lustre/lustre/llite/super25.c +++ b/drivers/staging/lustre/lustre/llite/super25.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -88,7 +89,8 @@ static int __init lustre_init(void) struct timespec64 ts; int i, rc, seed[2]; - BUILD_BUG_ON(sizeof(LUSTRE_VOLATILE_HDR) != LUSTRE_VOLATILE_HDR_LEN + 1); + BUILD_BUG_ON(sizeof(LUSTRE_VOLATILE_HDR) != + LUSTRE_VOLATILE_HDR_LEN + 1); /* print an address of _any_ initialized kernel symbol from this * module, to allow debugging with gdb that doesn't support data diff --git a/drivers/staging/lustre/lustre/llite/symlink.c b/drivers/staging/lustre/lustre/llite/symlink.c index 3cd33483afaf..0690fdbf49f5 100644 --- a/drivers/staging/lustre/lustre/llite/symlink.c +++ b/drivers/staging/lustre/lustre/llite/symlink.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/vvp_dev.c b/drivers/staging/lustre/lustre/llite/vvp_dev.c index f9d9a161bd4e..8ccc8b799c02 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_dev.c +++ b/drivers/staging/lustre/lustre/llite/vvp_dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/vvp_internal.h b/drivers/staging/lustre/lustre/llite/vvp_internal.h index adce0ff4ae44..02ea5161d635 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_internal.h +++ b/drivers/staging/lustre/lustre/llite/vvp_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/vvp_io.c b/drivers/staging/lustre/lustre/llite/vvp_io.c index c83853fa1bb4..bfae98e82d6f 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_io.c +++ b/drivers/staging/lustre/lustre/llite/vvp_io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/vvp_lock.c b/drivers/staging/lustre/lustre/llite/vvp_lock.c index e522f7c00617..4b6c7143bd2c 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_lock.c +++ b/drivers/staging/lustre/lustre/llite/vvp_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/vvp_object.c b/drivers/staging/lustre/lustre/llite/vvp_object.c index 3953750b334e..05ad3b322a29 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_object.c +++ b/drivers/staging/lustre/lustre/llite/vvp_object.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/vvp_page.c b/drivers/staging/lustre/lustre/llite/vvp_page.c index 687c0c79d621..6eb0565ddc22 100644 --- a/drivers/staging/lustre/lustre/llite/vvp_page.c +++ b/drivers/staging/lustre/lustre/llite/vvp_page.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c index 0be55623bac4..532384c91447 100644 --- a/drivers/staging/lustre/lustre/llite/xattr.c +++ b/drivers/staging/lustre/lustre/llite/xattr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/llite/xattr_cache.c b/drivers/staging/lustre/lustre/llite/xattr_cache.c index 80ee3920481a..4dc799d60a9f 100644 --- a/drivers/staging/lustre/lustre/llite/xattr_cache.c +++ b/drivers/staging/lustre/lustre/llite/xattr_cache.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2012 Xyratex Technology Limited * @@ -364,7 +365,8 @@ static int ll_xattr_cache_refill(struct inode *inode, struct lookup_intent *oit) } if (oit->it_status < 0) { - CDEBUG(D_CACHE, "getxattr intent returned %d for fid " DFID "\n", + CDEBUG(D_CACHE, + "getxattr intent returned %d for fid " DFID "\n", oit->it_status, PFID(ll_inode2fid(inode))); rc = oit->it_status; /* xattr data is so large that we don't want to cache it */ diff --git a/drivers/staging/lustre/lustre/llite/xattr_security.c b/drivers/staging/lustre/lustre/llite/xattr_security.c index 391fb25ac31d..93ec07531ac7 100644 --- a/drivers/staging/lustre/lustre/llite/xattr_security.c +++ b/drivers/staging/lustre/lustre/llite/xattr_security.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lmv/lmv_fld.c b/drivers/staging/lustre/lustre/lmv/lmv_fld.c index 5937468080b8..00dc858c10c9 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_fld.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_fld.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lmv/lmv_intent.c b/drivers/staging/lustre/lustre/lmv/lmv_intent.c index 22c247a7d8ca..1793c9f79b24 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_intent.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_intent.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lmv/lmv_internal.h b/drivers/staging/lustre/lustre/lmv/lmv_internal.h index a0475231dd90..c27c3c32188d 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_internal.h +++ b/drivers/staging/lustre/lustre/lmv/lmv_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lmv/lmv_obd.c b/drivers/staging/lustre/lustre/lmv/lmv_obd.c index 6e16c930a021..c2c57f65431e 100644 --- a/drivers/staging/lustre/lustre/lmv/lmv_obd.c +++ b/drivers/staging/lustre/lustre/lmv/lmv_obd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c index f16cfa435f77..30727b7acccc 100644 --- a/drivers/staging/lustre/lustre/lmv/lproc_lmv.c +++ b/drivers/staging/lustre/lustre/lmv/lproc_lmv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/Makefile b/drivers/staging/lustre/lustre/lov/Makefile index 3abfb4eab3d3..1ebf0193f61a 100644 --- a/drivers/staging/lustre/lustre/lov/Makefile +++ b/drivers/staging/lustre/lustre/lov/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include diff --git a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h index 89d92b05b48c..1185eceaf497 100644 --- a/drivers/staging/lustre/lustre/lov/lov_cl_internal.h +++ b/drivers/staging/lustre/lustre/lov/lov_cl_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_dev.c b/drivers/staging/lustre/lustre/lov/lov_dev.c index cea5f9dcd04e..c7db23472346 100644 --- a/drivers/staging/lustre/lustre/lov/lov_dev.c +++ b/drivers/staging/lustre/lustre/lov/lov_dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_ea.c b/drivers/staging/lustre/lustre/lov/lov_ea.c index 1124fd5ab32f..d563dd73343a 100644 --- a/drivers/staging/lustre/lustre/lov/lov_ea.c +++ b/drivers/staging/lustre/lustre/lov/lov_ea.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_internal.h b/drivers/staging/lustre/lustre/lov/lov_internal.h index a21f074008af..ae28ddf80d9b 100644 --- a/drivers/staging/lustre/lustre/lov/lov_internal.h +++ b/drivers/staging/lustre/lustre/lov/lov_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_io.c b/drivers/staging/lustre/lustre/lov/lov_io.c index 9e3b150967b4..c5f5d1b106dc 100644 --- a/drivers/staging/lustre/lustre/lov/lov_io.c +++ b/drivers/staging/lustre/lustre/lov/lov_io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_lock.c b/drivers/staging/lustre/lustre/lov/lov_lock.c index e12dc5afc14f..2fcdeb707ff9 100644 --- a/drivers/staging/lustre/lustre/lov/lov_lock.c +++ b/drivers/staging/lustre/lustre/lov/lov_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_merge.c b/drivers/staging/lustre/lustre/lov/lov_merge.c index 916336115989..3796bbb25305 100644 --- a/drivers/staging/lustre/lustre/lov/lov_merge.c +++ b/drivers/staging/lustre/lustre/lov/lov_merge.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index fefd3c588681..7ce01026a409 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_object.c b/drivers/staging/lustre/lustre/lov/lov_object.c index 334ecb1bc049..105b707eed14 100644 --- a/drivers/staging/lustre/lustre/lov/lov_object.c +++ b/drivers/staging/lustre/lustre/lov/lov_object.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_offset.c b/drivers/staging/lustre/lustre/lov/lov_offset.c index 899d12c41aab..3e16e647b334 100644 --- a/drivers/staging/lustre/lustre/lov/lov_offset.c +++ b/drivers/staging/lustre/lustre/lov/lov_offset.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_pack.c b/drivers/staging/lustre/lustre/lov/lov_pack.c index 24fb2a97532b..e5b11c4085a9 100644 --- a/drivers/staging/lustre/lustre/lov/lov_pack.c +++ b/drivers/staging/lustre/lustre/lov/lov_pack.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_page.c b/drivers/staging/lustre/lustre/lov/lov_page.c index de43c609cf3d..cfae1294d77a 100644 --- a/drivers/staging/lustre/lustre/lov/lov_page.c +++ b/drivers/staging/lustre/lustre/lov/lov_page.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_pool.c b/drivers/staging/lustre/lustre/lov/lov_pool.c index d774ee2a3675..ecd9329cd073 100644 --- a/drivers/staging/lustre/lustre/lov/lov_pool.c +++ b/drivers/staging/lustre/lustre/lov/lov_pool.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lov_request.c b/drivers/staging/lustre/lustre/lov/lov_request.c index 9d3b3f3e9f10..3bdf48e4edb4 100644 --- a/drivers/staging/lustre/lustre/lov/lov_request.c +++ b/drivers/staging/lustre/lustre/lov/lov_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lovsub_dev.c b/drivers/staging/lustre/lustre/lov/lovsub_dev.c index d4646a0949d2..7e89a2e485fc 100644 --- a/drivers/staging/lustre/lustre/lov/lovsub_dev.c +++ b/drivers/staging/lustre/lustre/lov/lovsub_dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lovsub_lock.c b/drivers/staging/lustre/lustre/lov/lovsub_lock.c index d29f0bb33980..ea492be2eef3 100644 --- a/drivers/staging/lustre/lustre/lov/lovsub_lock.c +++ b/drivers/staging/lustre/lustre/lov/lovsub_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lovsub_object.c b/drivers/staging/lustre/lustre/lov/lovsub_object.c index 011296ee16e6..13d452086b61 100644 --- a/drivers/staging/lustre/lustre/lov/lovsub_object.c +++ b/drivers/staging/lustre/lustre/lov/lovsub_object.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lovsub_page.c b/drivers/staging/lustre/lustre/lov/lovsub_page.c index b2e68c3e820d..915520bcdd60 100644 --- a/drivers/staging/lustre/lustre/lov/lovsub_page.c +++ b/drivers/staging/lustre/lustre/lov/lovsub_page.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/lov/lproc_lov.c b/drivers/staging/lustre/lustre/lov/lproc_lov.c index 9bb7e9ea0a6a..721440feef72 100644 --- a/drivers/staging/lustre/lustre/lov/lproc_lov.c +++ b/drivers/staging/lustre/lustre/lov/lproc_lov.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c index f68513771527..6cce32491eb5 100644 --- a/drivers/staging/lustre/lustre/mdc/lproc_mdc.c +++ b/drivers/staging/lustre/lustre/mdc/lproc_mdc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mdc/mdc_internal.h b/drivers/staging/lustre/lustre/mdc/mdc_internal.h index cbf011501005..e0300c34ca3a 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_internal.h +++ b/drivers/staging/lustre/lustre/mdc/mdc_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mdc/mdc_lib.c b/drivers/staging/lustre/lustre/mdc/mdc_lib.c index ba13f0894e0d..46eefdc09e3a 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_lib.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mdc/mdc_locks.c b/drivers/staging/lustre/lustre/mdc/mdc_locks.c index cbfea3dd0319..3114907ac5ff 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_locks.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_locks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mdc/mdc_reint.c b/drivers/staging/lustre/lustre/mdc/mdc_reint.c index f45c91d1b4ae..488b98007558 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_reint.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_reint.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c index 6ef8ddec4ab6..9e538a59f09d 100644 --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mgc/lproc_mgc.c b/drivers/staging/lustre/lustre/mgc/lproc_mgc.c index 2ec2d7f731d3..636770624e8f 100644 --- a/drivers/staging/lustre/lustre/mgc/lproc_mgc.c +++ b/drivers/staging/lustre/lustre/mgc/lproc_mgc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mgc/mgc_internal.h b/drivers/staging/lustre/lustre/mgc/mgc_internal.h index 7a2f2b7bc6b1..2c571c180578 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_internal.h +++ b/drivers/staging/lustre/lustre/mgc/mgc_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c index 3d2b969c90a7..77fa8fea0249 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_request.c +++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/Makefile b/drivers/staging/lustre/lustre/obdclass/Makefile index fa0ad6548ecd..e3fa9acff4c4 100644 --- a/drivers/staging/lustre/lustre/obdclass/Makefile +++ b/drivers/staging/lustre/lustre/obdclass/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include diff --git a/drivers/staging/lustre/lustre/obdclass/cl_internal.h b/drivers/staging/lustre/lustre/obdclass/cl_internal.h index 7b403fbd5f94..a0db830ca841 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_internal.h +++ b/drivers/staging/lustre/lustre/obdclass/cl_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/cl_io.c b/drivers/staging/lustre/lustre/obdclass/cl_io.c index 2a70e21ae07f..6ec5218a18c1 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_io.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/cl_lock.c b/drivers/staging/lustre/lustre/obdclass/cl_lock.c index 20e64051d2d6..d415f8396038 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_lock.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/cl_object.c b/drivers/staging/lustre/lustre/obdclass/cl_object.c index 95c7fa3b532c..fdd27ce46fda 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_object.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_object.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/cl_page.c b/drivers/staging/lustre/lustre/obdclass/cl_page.c index 3dc084cb93bc..7f65439f9b95 100644 --- a/drivers/staging/lustre/lustre/obdclass/cl_page.c +++ b/drivers/staging/lustre/lustre/obdclass/cl_page.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c index 2df218b010e1..2985bca4dc4c 100644 --- a/drivers/staging/lustre/lustre/obdclass/class_obd.c +++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/debug.c b/drivers/staging/lustre/lustre/obdclass/debug.c index 7964cad7e780..2156a82a613a 100644 --- a/drivers/staging/lustre/lustre/obdclass/debug.c +++ b/drivers/staging/lustre/lustre/obdclass/debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/genops.c b/drivers/staging/lustre/lustre/obdclass/genops.c index 739bfb9421ca..b1d6ba4a3190 100644 --- a/drivers/staging/lustre/lustre/obdclass/genops.c +++ b/drivers/staging/lustre/lustre/obdclass/genops.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/kernelcomm.c b/drivers/staging/lustre/lustre/obdclass/kernelcomm.c index 4f0a42633d5a..b9bf81607bbf 100644 --- a/drivers/staging/lustre/lustre/obdclass/kernelcomm.c +++ b/drivers/staging/lustre/lustre/obdclass/kernelcomm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/linkea.c b/drivers/staging/lustre/lustre/obdclass/linkea.c index 9af86d3d56e4..fe1638b0916e 100644 --- a/drivers/staging/lustre/lustre/obdclass/linkea.c +++ b/drivers/staging/lustre/lustre/obdclass/linkea.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c index 6df911112731..fc59f29a4290 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c index e92cccceefa1..e5e8687784ee 100644 --- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c +++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/llog.c b/drivers/staging/lustre/lustre/obdclass/llog.c index 98021a2d7238..cd051e31233e 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog.c +++ b/drivers/staging/lustre/lustre/obdclass/llog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/llog_cat.c b/drivers/staging/lustre/lustre/obdclass/llog_cat.c index 8fa969101650..d9c63adff206 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog_cat.c +++ b/drivers/staging/lustre/lustre/obdclass/llog_cat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/llog_internal.h b/drivers/staging/lustre/lustre/obdclass/llog_internal.h index 8de90bc638b4..4991d4e589dc 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog_internal.h +++ b/drivers/staging/lustre/lustre/obdclass/llog_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/llog_obd.c b/drivers/staging/lustre/lustre/obdclass/llog_obd.c index 3c42de966077..28bbaa2136ac 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog_obd.c +++ b/drivers/staging/lustre/lustre/obdclass/llog_obd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/llog_swab.c b/drivers/staging/lustre/lustre/obdclass/llog_swab.c index d2d3114ce008..b431c3408fe4 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog_swab.c +++ b/drivers/staging/lustre/lustre/obdclass/llog_swab.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_counters.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_counters.c index e4829880dc10..c83b7d7f8e72 100644 --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_counters.c +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_counters.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c index e79485b4bf7f..05d71f568837 100644 --- a/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c +++ b/drivers/staging/lustre/lustre/obdclass/lprocfs_status.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -1507,12 +1508,16 @@ int lprocfs_write_frac_u64_helper(const char __user *buffer, switch (tolower(*end)) { case 'p': units <<= 10; + /* fall through */ case 't': units <<= 10; + /* fall through */ case 'g': units <<= 10; + /* fall through */ case 'm': units <<= 10; + /* fall through */ case 'k': units <<= 10; } diff --git a/drivers/staging/lustre/lustre/obdclass/lu_object.c b/drivers/staging/lustre/lustre/obdclass/lu_object.c index 09c98184a291..b938a3f9d50a 100644 --- a/drivers/staging/lustre/lustre/obdclass/lu_object.c +++ b/drivers/staging/lustre/lustre/obdclass/lu_object.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/lu_ref.c b/drivers/staging/lustre/lustre/obdclass/lu_ref.c index fa690b2bd643..54fc88206534 100644 --- a/drivers/staging/lustre/lustre/obdclass/lu_ref.c +++ b/drivers/staging/lustre/lustre/obdclass/lu_ref.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/lustre_handles.c b/drivers/staging/lustre/lustre/obdclass/lustre_handles.c index e1273c997b5f..71329adc0318 100644 --- a/drivers/staging/lustre/lustre/obdclass/lustre_handles.c +++ b/drivers/staging/lustre/lustre/obdclass/lustre_handles.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/lustre_peer.c b/drivers/staging/lustre/lustre/obdclass/lustre_peer.c index 2798d35ad318..e286a2665423 100644 --- a/drivers/staging/lustre/lustre/obdclass/lustre_peer.c +++ b/drivers/staging/lustre/lustre/obdclass/lustre_peer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/obd_config.c b/drivers/staging/lustre/lustre/obdclass/obd_config.c index 94a940faca5d..c0e192ae22a9 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_config.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_config.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/obd_mount.c b/drivers/staging/lustre/lustre/obdclass/obd_mount.c index 1256034b60c1..2a79a223b98a 100644 --- a/drivers/staging/lustre/lustre/obdclass/obd_mount.c +++ b/drivers/staging/lustre/lustre/obdclass/obd_mount.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/obdo.c b/drivers/staging/lustre/lustre/obdclass/obdo.c index 7083f8786e9a..c4503bc36591 100644 --- a/drivers/staging/lustre/lustre/obdclass/obdo.c +++ b/drivers/staging/lustre/lustre/obdclass/obdo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/statfs_pack.c b/drivers/staging/lustre/lustre/obdclass/statfs_pack.c index 89abea26a1f8..355e888885f4 100644 --- a/drivers/staging/lustre/lustre/obdclass/statfs_pack.c +++ b/drivers/staging/lustre/lustre/obdclass/statfs_pack.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdclass/uuid.c b/drivers/staging/lustre/lustre/obdclass/uuid.c index 9b1872b99f2a..6cf7a03f048f 100644 --- a/drivers/staging/lustre/lustre/obdclass/uuid.c +++ b/drivers/staging/lustre/lustre/obdclass/uuid.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c index f9808d1cc352..b9c1dc7e61b0 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_client.c +++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/obdecho/echo_internal.h b/drivers/staging/lustre/lustre/obdecho/echo_internal.h index 966414fd5424..42faa164fabb 100644 --- a/drivers/staging/lustre/lustre/obdecho/echo_internal.h +++ b/drivers/staging/lustre/lustre/obdecho/echo_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/lproc_osc.c b/drivers/staging/lustre/lustre/osc/lproc_osc.c index ae13eb055229..dc76c35ae801 100644 --- a/drivers/staging/lustre/lustre/osc/lproc_osc.c +++ b/drivers/staging/lustre/lustre/osc/lproc_osc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_cache.c b/drivers/staging/lustre/lustre/osc/osc_cache.c index e1207c227b79..5767ac2a7d16 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cache.c +++ b/drivers/staging/lustre/lustre/osc/osc_cache.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -227,6 +228,7 @@ static int osc_extent_sanity_check0(struct osc_extent *ext, rc = 65; goto out; } + /* fall through */ default: if (atomic_read(&ext->oe_users) > 0) { rc = 70; diff --git a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h index 35bdbfb8660d..1449013722f6 100644 --- a/drivers/staging/lustre/lustre/osc/osc_cl_internal.h +++ b/drivers/staging/lustre/lustre/osc/osc_cl_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_dev.c b/drivers/staging/lustre/lustre/osc/osc_dev.c index cf7b8879d7f0..2b5f324743e2 100644 --- a/drivers/staging/lustre/lustre/osc/osc_dev.c +++ b/drivers/staging/lustre/lustre/osc/osc_dev.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_internal.h b/drivers/staging/lustre/lustre/osc/osc_internal.h index a536908fb26a..feda61bcdb9b 100644 --- a/drivers/staging/lustre/lustre/osc/osc_internal.h +++ b/drivers/staging/lustre/lustre/osc/osc_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_io.c b/drivers/staging/lustre/lustre/osc/osc_io.c index f7969e33f28a..76743faf3e6d 100644 --- a/drivers/staging/lustre/lustre/osc/osc_io.c +++ b/drivers/staging/lustre/lustre/osc/osc_io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_lock.c b/drivers/staging/lustre/lustre/osc/osc_lock.c index b4f1f74dead8..fe8ed0d0497a 100644 --- a/drivers/staging/lustre/lustre/osc/osc_lock.c +++ b/drivers/staging/lustre/lustre/osc/osc_lock.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_object.c b/drivers/staging/lustre/lustre/osc/osc_object.c index 945ae6e5a8b1..f82c87a77550 100644 --- a/drivers/staging/lustre/lustre/osc/osc_object.c +++ b/drivers/staging/lustre/lustre/osc/osc_object.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_page.c b/drivers/staging/lustre/lustre/osc/osc_page.c index ed8a0dc18ee5..20094b6309f9 100644 --- a/drivers/staging/lustre/lustre/osc/osc_page.c +++ b/drivers/staging/lustre/lustre/osc/osc_page.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_quota.c b/drivers/staging/lustre/lustre/osc/osc_quota.c index a6118f8ba446..ce1731dc604f 100644 --- a/drivers/staging/lustre/lustre/osc/osc_quota.c +++ b/drivers/staging/lustre/lustre/osc/osc_quota.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c index 4c68c42b2281..53eda4c99142 100644 --- a/drivers/staging/lustre/lustre/osc/osc_request.c +++ b/drivers/staging/lustre/lustre/osc/osc_request.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/Makefile b/drivers/staging/lustre/lustre/ptlrpc/Makefile index a518001cdfe8..1deb1971b39e 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/Makefile +++ b/drivers/staging/lustre/lustre/ptlrpc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/include subdir-ccflags-y += -I$(srctree)/drivers/staging/lustre/lustre/include diff --git a/drivers/staging/lustre/lustre/ptlrpc/client.c b/drivers/staging/lustre/lustre/ptlrpc/client.c index b1d379a6a70f..2a9f2f2ebaa8 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/client.c +++ b/drivers/staging/lustre/lustre/ptlrpc/client.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/connection.c b/drivers/staging/lustre/lustre/ptlrpc/connection.c index cfdcbcec2779..dfdb4587d49d 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/connection.c +++ b/drivers/staging/lustre/lustre/ptlrpc/connection.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/errno.c b/drivers/staging/lustre/lustre/ptlrpc/errno.c index cb788364a553..54f0c36dc2bd 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/errno.c +++ b/drivers/staging/lustre/lustre/ptlrpc/errno.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/events.c b/drivers/staging/lustre/lustre/ptlrpc/events.c index 62951f19b2ce..811b7ab3a582 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/events.c +++ b/drivers/staging/lustre/lustre/ptlrpc/events.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/import.c b/drivers/staging/lustre/lustre/ptlrpc/import.c index 21f528957b73..5b0f65536c29 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/import.c +++ b/drivers/staging/lustre/lustre/ptlrpc/import.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/layout.c b/drivers/staging/lustre/lustre/ptlrpc/layout.c index 85854d9a376d..18769d335751 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/layout.c +++ b/drivers/staging/lustre/lustre/ptlrpc/layout.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/llog_client.c b/drivers/staging/lustre/lustre/ptlrpc/llog_client.c index 480c20a6a792..254488be7093 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/llog_client.c +++ b/drivers/staging/lustre/lustre/ptlrpc/llog_client.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/llog_net.c b/drivers/staging/lustre/lustre/ptlrpc/llog_net.c index bc5aa7bcdba8..bc4398b9bd1d 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/llog_net.c +++ b/drivers/staging/lustre/lustre/ptlrpc/llog_net.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c index 1392ae9747bd..36eea50a77e7 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/lproc_ptlrpc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/niobuf.c b/drivers/staging/lustre/lustre/ptlrpc/niobuf.c index 12149fb64719..047d712e850c 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/niobuf.c +++ b/drivers/staging/lustre/lustre/ptlrpc/niobuf.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/nrs.c b/drivers/staging/lustre/lustre/ptlrpc/nrs.c index 2969d8da270e..4847f9a90cc9 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/nrs.c +++ b/drivers/staging/lustre/lustre/ptlrpc/nrs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/nrs_fifo.c b/drivers/staging/lustre/lustre/ptlrpc/nrs_fifo.c index df330e43bfe5..8251cbf2ad68 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/nrs_fifo.c +++ b/drivers/staging/lustre/lustre/ptlrpc/nrs_fifo.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c index aad4ff191d95..a64e125df95f 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c +++ b/drivers/staging/lustre/lustre/ptlrpc/pack_generic.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -786,7 +787,7 @@ __u32 lustre_msg_get_flags(struct lustre_msg *msg) CERROR("invalid msg %p: no ptlrpc body!\n", msg); } - /* no break */ + /* fall through */ default: /* flags might be printed in debug code while message * uninitialized @@ -854,7 +855,7 @@ __u32 lustre_msg_get_op_flags(struct lustre_msg *msg) CERROR("invalid msg %p: no ptlrpc body!\n", msg); } - /* no break */ + /* fall through */ default: return 0; } @@ -1035,7 +1036,7 @@ int lustre_msg_get_status(struct lustre_msg *msg) CERROR("invalid msg %p: no ptlrpc body!\n", msg); } - /* no break */ + /* fall through */ default: /* status might be printed in debug code while message * uninitialized diff --git a/drivers/staging/lustre/lustre/ptlrpc/pers.c b/drivers/staging/lustre/lustre/ptlrpc/pers.c index 643388b03af7..2466868afb9c 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/pers.c +++ b/drivers/staging/lustre/lustre/ptlrpc/pers.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/pinger.c b/drivers/staging/lustre/lustre/ptlrpc/pinger.c index e4de50e18d08..fe6b47bfe8be 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/pinger.c +++ b/drivers/staging/lustre/lustre/ptlrpc/pinger.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_internal.h b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_internal.h index c38e166f1502..f9decbd1459d 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_internal.h +++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_internal.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c index 38e488dd5409..131fc6d9646e 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c +++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpc_module.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c b/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c index 0e476828cf75..8b865294d933 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c +++ b/drivers/staging/lustre/lustre/ptlrpc/ptlrpcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/recover.c b/drivers/staging/lustre/lustre/ptlrpc/recover.c index 72a19a379e2f..e4d3f23e9f3a 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/recover.c +++ b/drivers/staging/lustre/lustre/ptlrpc/recover.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec.c b/drivers/staging/lustre/lustre/ptlrpc/sec.c index cd7a5391a574..617e004d00f8 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * @@ -847,7 +848,7 @@ void sptlrpc_request_out_callback(struct ptlrpc_request *req) if (req->rq_pool || !req->rq_reqbuf) return; - kfree(req->rq_reqbuf); + kvfree(req->rq_reqbuf); req->rq_reqbuf = NULL; req->rq_reqbuf_len = 0; } diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c index 059294aad172..77a3721beaee 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_bulk.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_config.c b/drivers/staging/lustre/lustre/ptlrpc/sec_config.c index 0f4af66688a3..2389f9a8f534 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_config.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_config.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_gc.c b/drivers/staging/lustre/lustre/ptlrpc/sec_gc.c index d10a8053d04f..8d1e0edfcede 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_gc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_gc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c index 7792132eb145..fd609b63d2de 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_lproc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_null.c b/drivers/staging/lustre/lustre/ptlrpc/sec_null.c index dc39a54c5e1a..80cea0b24693 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_null.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_null.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c index 6aa9b65b1926..44e34056515b 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c +++ b/drivers/staging/lustre/lustre/ptlrpc/sec_plain.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/service.c b/drivers/staging/lustre/lustre/ptlrpc/service.c index 155f6a45cc8b..23cdb7c4476c 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/service.c +++ b/drivers/staging/lustre/lustre/ptlrpc/service.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/lustre/lustre/ptlrpc/wiretest.c b/drivers/staging/lustre/lustre/ptlrpc/wiretest.c index 07b86a1b6550..2f64eb417e77 100644 --- a/drivers/staging/lustre/lustre/ptlrpc/wiretest.c +++ b/drivers/staging/lustre/lustre/ptlrpc/wiretest.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * GPL HEADER START * diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index ac090c5fce30..be732cf932fd 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_I2C_BCM2048) += bcm2048/ obj-$(CONFIG_DVB_CXD2099) += cxd2099/ obj-$(CONFIG_VIDEO_IMX_MEDIA) += imx/ diff --git a/drivers/staging/media/atomisp/i2c/Makefile b/drivers/staging/media/atomisp/i2c/Makefile index be13fab92175..041a041718d2 100644 --- a/drivers/staging/media/atomisp/i2c/Makefile +++ b/drivers/staging/media/atomisp/i2c/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for sensor drivers # diff --git a/drivers/staging/media/atomisp/i2c/imx/Makefile b/drivers/staging/media/atomisp/i2c/imx/Makefile index b6578f09546e..c1a85e6e27a9 100644 --- a/drivers/staging/media/atomisp/i2c/imx/Makefile +++ b/drivers/staging/media/atomisp/i2c/imx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIDEO_IMX) += imx1x5.o imx1x5-objs := imx.o drv201.o ad5816g.o dw9714.o dw9719.o dw9718.o vcm.o otp.o otp_imx.o otp_brcc064_e2prom.o otp_e2prom.o diff --git a/drivers/staging/media/atomisp/i2c/imx/ad5816g.c b/drivers/staging/media/atomisp/i2c/imx/ad5816g.c index 558dcdf135d9..fb74f14cbe5a 100644 --- a/drivers/staging/media/atomisp/i2c/imx/ad5816g.c +++ b/drivers/staging/media/atomisp/i2c/imx/ad5816g.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/device.h> #include <linux/delay.h> diff --git a/drivers/staging/media/atomisp/i2c/imx/ad5816g.h b/drivers/staging/media/atomisp/i2c/imx/ad5816g.h index f995c2eeada4..e1396b00a0e1 100644 --- a/drivers/staging/media/atomisp/i2c/imx/ad5816g.h +++ b/drivers/staging/media/atomisp/i2c/imx/ad5816g.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __AD5816G_H__ #define __AD5816G_H__ diff --git a/drivers/staging/media/atomisp/i2c/imx/common.h b/drivers/staging/media/atomisp/i2c/imx/common.h index 7e525cef56ef..af2e3160df95 100644 --- a/drivers/staging/media/atomisp/i2c/imx/common.h +++ b/drivers/staging/media/atomisp/i2c/imx/common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __COMMON_H__ #define __COMMON_H__ diff --git a/drivers/staging/media/atomisp/i2c/imx/drv201.c b/drivers/staging/media/atomisp/i2c/imx/drv201.c index 6d9d4c968722..221e4875ac49 100644 --- a/drivers/staging/media/atomisp/i2c/imx/drv201.c +++ b/drivers/staging/media/atomisp/i2c/imx/drv201.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/device.h> #include <linux/delay.h> diff --git a/drivers/staging/media/atomisp/i2c/imx/drv201.h b/drivers/staging/media/atomisp/i2c/imx/drv201.h index 8fc0ad116630..2ef8aafdf675 100644 --- a/drivers/staging/media/atomisp/i2c/imx/drv201.h +++ b/drivers/staging/media/atomisp/i2c/imx/drv201.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRV201_H__ #define __DRV201_H__ diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9714.c b/drivers/staging/media/atomisp/i2c/imx/dw9714.c index 6397a7ee0af6..f96855454313 100644 --- a/drivers/staging/media/atomisp/i2c/imx/dw9714.c +++ b/drivers/staging/media/atomisp/i2c/imx/dw9714.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include <linux/device.h> #include <linux/delay.h> diff --git a/drivers/staging/media/atomisp/i2c/imx/dw9714.h b/drivers/staging/media/atomisp/i2c/imx/dw9714.h index 5a98a9c97182..aee560026b56 100644 --- a/drivers/staging/media/atomisp/i2c/imx/dw9714.h +++ b/drivers/staging/media/atomisp/i2c/imx/dw9714.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DW9714_H__ #define __DW9714_H__ diff --git a/drivers/staging/media/atomisp/i2c/imx/imx134.h b/drivers/staging/media/atomisp/i2c/imx/imx134.h index cf35197ed77f..9026e8ba5679 100644 --- a/drivers/staging/media/atomisp/i2c/imx/imx134.h +++ b/drivers/staging/media/atomisp/i2c/imx/imx134.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IMX134_H__ #define __IMX134_H__ diff --git a/drivers/staging/media/atomisp/i2c/imx/imx175.h b/drivers/staging/media/atomisp/i2c/imx/imx175.h index 5f409ccedc85..5e082088cb37 100644 --- a/drivers/staging/media/atomisp/i2c/imx/imx175.h +++ b/drivers/staging/media/atomisp/i2c/imx/imx175.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IMX175_H__ #define __IMX175_H__ #include "common.h" diff --git a/drivers/staging/media/atomisp/i2c/imx/imx219.h b/drivers/staging/media/atomisp/i2c/imx/imx219.h index 52df582c56d8..bbd515bf7279 100644 --- a/drivers/staging/media/atomisp/i2c/imx/imx219.h +++ b/drivers/staging/media/atomisp/i2c/imx/imx219.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IMX219_H__ #define __IMX219_H__ #include "common.h" diff --git a/drivers/staging/media/atomisp/i2c/imx/imx227.h b/drivers/staging/media/atomisp/i2c/imx/imx227.h index 10e5b86f6687..795fe017d01b 100644 --- a/drivers/staging/media/atomisp/i2c/imx/imx227.h +++ b/drivers/staging/media/atomisp/i2c/imx/imx227.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IMX227_H__ #define __IMX227_H__ diff --git a/drivers/staging/media/atomisp/i2c/ov5693/Makefile b/drivers/staging/media/atomisp/i2c/ov5693/Makefile index 4e3833aaec05..facb70e6a93e 100644 --- a/drivers/staging/media/atomisp/i2c/ov5693/Makefile +++ b/drivers/staging/media/atomisp/i2c/ov5693/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIDEO_OV5693) += ov5693.o # HACK! While this driver is in bad shape, don't enable several warnings diff --git a/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h b/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h index c5e22bba455a..dc7104470f5c 100644 --- a/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h +++ b/drivers/staging/media/atomisp/include/asm/intel_mid_pcihelpers.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Access to message bus through three registers * in CUNIT(0:0:0) PCI configuration space. diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile index 2bd98f0667ec..ac3805345f20 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile +++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 atomisp-objs += \ atomisp_drvfs.o \ atomisp_file.o \ diff --git a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c index 05897b747349..5027fd20d966 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c +++ b/drivers/staging/media/atomisp/pci/atomisp2/atomisp_compat_css20.c @@ -155,7 +155,7 @@ static void atomisp_css2_hw_store(hrt_address addr, const void *from, uint32_t n) { unsigned long flags; - unsigned i; + unsigned int i; unsigned int _to = (unsigned int)addr; const char *_from = (const char *)from; @@ -168,7 +168,7 @@ static void atomisp_css2_hw_store(hrt_address addr, static void atomisp_css2_hw_load(hrt_address addr, void *to, uint32_t n) { unsigned long flags; - unsigned i; + unsigned int i; char *_to = (char *)to; unsigned int _from = (unsigned int)addr; @@ -232,9 +232,11 @@ static void __dump_pipe_config(struct atomisp_sub_device *asd, unsigned int pipe_id) { struct atomisp_device *isp = asd->isp; + if (stream_env->pipes[pipe_id]) { struct ia_css_pipe_config *p_config; struct ia_css_pipe_extra_config *pe_config; + p_config = &stream_env->pipe_configs[pipe_id]; pe_config = &stream_env->pipe_extra_configs[pipe_id]; dev_dbg(isp->dev, "dumping pipe[%d] config:\n", pipe_id); @@ -507,6 +509,7 @@ static int __destroy_stream(struct atomisp_sub_device *asd, static int __destroy_streams(struct atomisp_sub_device *asd, bool force) { int ret, i; + for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++) { ret = __destroy_stream(asd, &asd->stream_env[i], force); if (ret) @@ -573,6 +576,7 @@ static int __destroy_stream_pipes(struct atomisp_sub_device *asd, struct atomisp_device *isp = asd->isp; int ret = 0; int i; + for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++) { if (!stream_env->pipes[i] || !(force || stream_env->update_pipe[i])) @@ -892,12 +896,12 @@ static inline int __set_css_print_env(struct atomisp_device *isp, int opt) { int ret = 0; - if (0 == opt) + if (opt == 0) isp->css_env.isp_css_env.print_env.debug_print = NULL; - else if (1 == opt) + else if (opt == 1) isp->css_env.isp_css_env.print_env.debug_print = atomisp_css2_dbg_ftrace_print; - else if (2 == opt) + else if (opt == 2) isp->css_env.isp_css_env.print_env.debug_print = atomisp_css2_dbg_print; else @@ -1051,6 +1055,7 @@ int atomisp_css_irq_enable(struct atomisp_device *isp, void atomisp_css_init_struct(struct atomisp_sub_device *asd) { int i, j; + for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++) { asd->stream_env[i].stream = NULL; for (j = 0; j < IA_CSS_PIPE_MODE_NUM; j++) { @@ -1189,6 +1194,7 @@ int atomisp_css_start(struct atomisp_sub_device *asd, struct atomisp_device *isp = asd->isp; bool sp_is_started = false; int ret = 0, i = 0; + if (in_reset) { if (__destroy_streams(asd, true)) dev_warn(isp->dev, "destroy stream failed.\n"); @@ -1976,6 +1982,7 @@ void atomisp_css_enable_raw_binning(struct atomisp_sub_device *asd, void atomisp_css_enable_dz(struct atomisp_sub_device *asd, bool enable) { int i; + for (i = 0; i < IA_CSS_PIPE_ID_NUM; i++) asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL] .pipe_configs[i].enable_dz = enable; @@ -2002,6 +2009,7 @@ void atomisp_css_input_set_mode(struct atomisp_sub_device *asd, int i; struct atomisp_device *isp = asd->isp; unsigned int size_mem_words; + for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++) asd->stream_env[i].stream_config.mode = mode; @@ -2275,6 +2283,7 @@ int atomisp_css_stop(struct atomisp_sub_device *asd, if (!in_reset) { struct atomisp_stream_env *stream_env; int i, j; + for (i = 0; i < ATOMISP_INPUT_STREAM_NUM; i++) { stream_env = &asd->stream_env[i]; for (j = 0; j < IA_CSS_PIPE_ID_NUM; j++) { @@ -2801,6 +2810,7 @@ static void __configure_video_vf_output(struct atomisp_sub_device *asd, struct atomisp_stream_env *stream_env = &asd->stream_env[ATOMISP_INPUT_STREAM_GENERAL]; struct ia_css_frame_info *css_output_info; + stream_env->pipe_configs[pipe_id].mode = __pipe_id_to_pipe_mode(asd, pipe_id); stream_env->update_pipe[pipe_id] = true; @@ -4464,7 +4474,8 @@ int atomisp_css_load_acc_binary(struct atomisp_sub_device *asd, static struct atomisp_sub_device *__get_atomisp_subdev( struct ia_css_pipe *css_pipe, struct atomisp_device *isp, - enum atomisp_input_stream_id *stream_id) { + enum atomisp_input_stream_id *stream_id) +{ int i, j, k; struct atomisp_sub_device *asd; struct atomisp_stream_env *stream_env; @@ -4659,7 +4670,7 @@ int atomisp_css_dump_sp_raw_copy_linecount(bool reduced) int atomisp_css_dump_blob_infor(void) { struct ia_css_blob_descr *bd = sh_css_blob_info; - unsigned i, nm = sh_css_num_binaries; + unsigned int i, nm = sh_css_num_binaries; if (nm == 0) return -EPERM; @@ -4695,7 +4706,7 @@ int atomisp_set_css_dbgfunc(struct atomisp_device *isp, int opt) int ret; ret = __set_css_print_env(isp, opt); - if (0 == ret) + if (ret == 0) dbg_func = opt; return ret; diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c index 63582161050a..53a7891111f9 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_firmware.c @@ -145,8 +145,8 @@ sh_css_load_blob_info(const char *fw, const struct ia_css_fw_info *bi, struct ia size_t configstruct_size = sizeof(struct ia_css_config_memory_offsets); size_t statestruct_size = sizeof(struct ia_css_state_memory_offsets); - char *parambuf = (char *)kmalloc(paramstruct_size + configstruct_size + statestruct_size, - GFP_KERNEL); + char *parambuf = kmalloc(paramstruct_size + configstruct_size + statestruct_size, + GFP_KERNEL); if (parambuf == NULL) return IA_CSS_ERR_CANNOT_ALLOCATE_MEMORY; diff --git a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c index 11162f595fc7..5232327f5d9c 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c +++ b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo.c @@ -725,7 +725,7 @@ static int alloc_private_pages(struct hmm_buffer_object *bo, pgnr = bo->pgnr; - bo->page_obj = kmalloc(sizeof(struct hmm_page_object) * pgnr, + bo->page_obj = kmalloc_array(pgnr, sizeof(struct hmm_page_object), GFP_KERNEL); if (unlikely(!bo->page_obj)) { dev_err(atomisp_dev, "out of memory for bo->page_obj\n"); @@ -990,13 +990,13 @@ static int alloc_user_pages(struct hmm_buffer_object *bo, struct vm_area_struct *vma; struct page **pages; - pages = kmalloc(sizeof(struct page *) * bo->pgnr, GFP_KERNEL); + pages = kmalloc_array(bo->pgnr, sizeof(struct page *), GFP_KERNEL); if (unlikely(!pages)) { dev_err(atomisp_dev, "out of memory for pages...\n"); return -ENOMEM; } - bo->page_obj = kmalloc(sizeof(struct hmm_page_object) * bo->pgnr, + bo->page_obj = kmalloc_array(bo->pgnr, sizeof(struct hmm_page_object), GFP_KERNEL); if (unlikely(!bo->page_obj)) { dev_err(atomisp_dev, "out of memory for bo->page_obj...\n"); @@ -1363,7 +1363,7 @@ void *hmm_bo_vmap(struct hmm_buffer_object *bo, bool cached) bo->status &= ~(HMM_BO_VMAPED | HMM_BO_VMAPED_CACHED); } - pages = kmalloc(sizeof(*pages) * bo->pgnr, GFP_KERNEL); + pages = kmalloc_array(bo->pgnr, sizeof(*pages), GFP_KERNEL); if (unlikely(!pages)) { mutex_unlock(&bo->mutex); dev_err(atomisp_dev, "out of memory for pages...\n"); diff --git a/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c b/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c index cd452cc20fea..4631b1d39bb4 100644 --- a/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c +++ b/drivers/staging/media/atomisp/platform/intel-mid/intel_mid_pcihelpers.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/export.h> #include <linux/pci.h> #include <linux/pm_qos.h> diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c index 58adaea44eb5..5d3b0e5a1283 100644 --- a/drivers/staging/media/bcm2048/radio-bcm2048.c +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c @@ -1964,7 +1964,7 @@ static ssize_t bcm2048_##prop##_write(struct device *dev, \ return err < 0 ? err : count; \ } -#define property_read(prop, size, mask) \ +#define property_read(prop, mask) \ static ssize_t bcm2048_##prop##_read(struct device *dev, \ struct device_attribute *attr, \ char *buf) \ @@ -1999,9 +1999,9 @@ static ssize_t bcm2048_##prop##_read(struct device *dev, \ return sprintf(buf, mask "\n", value); \ } -#define DEFINE_SYSFS_PROPERTY(prop, signal, size, mask, check) \ -property_write(prop, signal size, mask, check) \ -property_read(prop, size, mask) +#define DEFINE_SYSFS_PROPERTY(prop, prop_type, mask, check) \ +property_write(prop, prop_type, mask, check) \ +property_read(prop, mask) \ #define property_str_read(prop, size) \ static ssize_t bcm2048_##prop##_read(struct device *dev, \ @@ -2027,39 +2027,39 @@ static ssize_t bcm2048_##prop##_read(struct device *dev, \ return count; \ } -DEFINE_SYSFS_PROPERTY(power_state, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(mute, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(audio_route, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(dac_output, unsigned, int, "%u", 0) - -DEFINE_SYSFS_PROPERTY(fm_hi_lo_injection, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_frequency, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_af_frequency, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_deemphasis, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_rds_mask, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_best_tune_mode, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_search_rssi_threshold, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_search_mode_direction, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(fm_search_tune_mode, unsigned, int, "%u", value > 3) - -DEFINE_SYSFS_PROPERTY(rds, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(rds_b_block_mask, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(rds_b_block_match, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(rds_pi_mask, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(rds_pi_match, unsigned, int, "%u", 0) -DEFINE_SYSFS_PROPERTY(rds_wline, unsigned, int, "%u", 0) -property_read(rds_pi, unsigned int, "%x") +DEFINE_SYSFS_PROPERTY(power_state, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(mute, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(audio_route, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(dac_output, unsigned int, "%u", 0) + +DEFINE_SYSFS_PROPERTY(fm_hi_lo_injection, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_frequency, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_af_frequency, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_deemphasis, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_rds_mask, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_best_tune_mode, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_search_rssi_threshold, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_search_mode_direction, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_search_tune_mode, unsigned int, "%u", value > 3) + +DEFINE_SYSFS_PROPERTY(rds, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_b_block_mask, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_b_block_match, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_pi_mask, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_pi_match, unsigned int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_wline, unsigned int, "%u", 0) +property_read(rds_pi, "%x") property_str_read(rds_rt, (BCM2048_MAX_RDS_RT + 1)) property_str_read(rds_ps, (BCM2048_MAX_RDS_PS + 1)) -property_read(fm_rds_flags, unsigned int, "%u") +property_read(fm_rds_flags, "%u") property_str_read(rds_data, BCM2048_MAX_RDS_RADIO_TEXT * 5) -property_read(region_bottom_frequency, unsigned int, "%u") -property_read(region_top_frequency, unsigned int, "%u") +property_read(region_bottom_frequency, "%u") +property_read(region_top_frequency, "%u") property_signed_read(fm_carrier_error, int, "%d") property_signed_read(fm_rssi, int, "%d") -DEFINE_SYSFS_PROPERTY(region, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(region, unsigned int, "%u", 0) static struct device_attribute attrs[] = { __ATTR(power_state, 0644, bcm2048_power_state_read, diff --git a/drivers/staging/media/imx/Makefile b/drivers/staging/media/imx/Makefile index 3569625b6305..698a4210316e 100644 --- a/drivers/staging/media/imx/Makefile +++ b/drivers/staging/media/imx/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 imx-media-objs := imx-media-dev.o imx-media-internal-sd.o imx-media-of.o imx-media-common-objs := imx-media-utils.o imx-media-fim.o imx-media-ic-objs := imx-ic-common.o imx-ic-prp.o imx-ic-prpencvf.o diff --git a/drivers/staging/most/Makefile b/drivers/staging/most/Makefile index 9ee981c7786b..f5bbb9deaab5 100644 --- a/drivers/staging/most/Makefile +++ b/drivers/staging/most/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_MOSTCORE) += mostcore/ obj-$(CONFIG_AIM_CDEV) += aim-cdev/ obj-$(CONFIG_AIM_NETWORK) += aim-network/ diff --git a/drivers/staging/netlogic/xlr_net.c b/drivers/staging/netlogic/xlr_net.c index e05ae4645d91..30532d8c310b 100644 --- a/drivers/staging/netlogic/xlr_net.c +++ b/drivers/staging/netlogic/xlr_net.c @@ -364,39 +364,39 @@ static void xlr_stats(struct net_device *ndev, struct rtnl_link_stats64 *stats) stats->tx_bytes = xlr_nae_rdreg(priv->base_addr, TX_BYTE_COUNTER); stats->tx_errors = xlr_nae_rdreg(priv->base_addr, TX_FCS_ERROR_COUNTER); stats->rx_dropped = xlr_nae_rdreg(priv->base_addr, - RX_DROP_PACKET_COUNTER); + RX_DROP_PACKET_COUNTER); stats->tx_dropped = xlr_nae_rdreg(priv->base_addr, - TX_DROP_FRAME_COUNTER); + TX_DROP_FRAME_COUNTER); stats->multicast = xlr_nae_rdreg(priv->base_addr, - RX_MULTICAST_PACKET_COUNTER); + RX_MULTICAST_PACKET_COUNTER); stats->collisions = xlr_nae_rdreg(priv->base_addr, - TX_TOTAL_COLLISION_COUNTER); + TX_TOTAL_COLLISION_COUNTER); stats->rx_length_errors = xlr_nae_rdreg(priv->base_addr, - RX_FRAME_LENGTH_ERROR_COUNTER); + RX_FRAME_LENGTH_ERROR_COUNTER); stats->rx_over_errors = xlr_nae_rdreg(priv->base_addr, - RX_DROP_PACKET_COUNTER); + RX_DROP_PACKET_COUNTER); stats->rx_crc_errors = xlr_nae_rdreg(priv->base_addr, - RX_FCS_ERROR_COUNTER); + RX_FCS_ERROR_COUNTER); stats->rx_frame_errors = xlr_nae_rdreg(priv->base_addr, - RX_ALIGNMENT_ERROR_COUNTER); + RX_ALIGNMENT_ERROR_COUNTER); stats->rx_fifo_errors = xlr_nae_rdreg(priv->base_addr, - RX_DROP_PACKET_COUNTER); + RX_DROP_PACKET_COUNTER); stats->rx_missed_errors = xlr_nae_rdreg(priv->base_addr, - RX_CARRIER_SENSE_ERROR_COUNTER); + RX_CARRIER_SENSE_ERROR_COUNTER); stats->rx_errors = (stats->rx_over_errors + stats->rx_crc_errors + - stats->rx_frame_errors + stats->rx_fifo_errors + - stats->rx_missed_errors); + stats->rx_frame_errors + stats->rx_fifo_errors + + stats->rx_missed_errors); stats->tx_aborted_errors = xlr_nae_rdreg(priv->base_addr, TX_EXCESSIVE_COLLISION_PACKET_COUNTER); stats->tx_carrier_errors = xlr_nae_rdreg(priv->base_addr, - TX_DROP_FRAME_COUNTER); + TX_DROP_FRAME_COUNTER); stats->tx_fifo_errors = xlr_nae_rdreg(priv->base_addr, - TX_DROP_FRAME_COUNTER); + TX_DROP_FRAME_COUNTER); } static const struct net_device_ops xlr_netdev_ops = { @@ -448,41 +448,35 @@ static void *xlr_config_spill(struct xlr_net_priv *priv, int reg_start_0, static void xlr_config_fifo_spill_area(struct xlr_net_priv *priv) { priv->frin_spill = xlr_config_spill(priv, - R_REG_FRIN_SPILL_MEM_START_0, - R_REG_FRIN_SPILL_MEM_START_1, - R_REG_FRIN_SPILL_MEM_SIZE, - MAX_FRIN_SPILL * - sizeof(u64)); + R_REG_FRIN_SPILL_MEM_START_0, + R_REG_FRIN_SPILL_MEM_START_1, + R_REG_FRIN_SPILL_MEM_SIZE, + MAX_FRIN_SPILL * sizeof(u64)); priv->frout_spill = xlr_config_spill(priv, - R_FROUT_SPILL_MEM_START_0, - R_FROUT_SPILL_MEM_START_1, - R_FROUT_SPILL_MEM_SIZE, - MAX_FROUT_SPILL * - sizeof(u64)); + R_FROUT_SPILL_MEM_START_0, + R_FROUT_SPILL_MEM_START_1, + R_FROUT_SPILL_MEM_SIZE, + MAX_FROUT_SPILL * sizeof(u64)); priv->class_0_spill = xlr_config_spill(priv, - R_CLASS0_SPILL_MEM_START_0, - R_CLASS0_SPILL_MEM_START_1, - R_CLASS0_SPILL_MEM_SIZE, - MAX_CLASS_0_SPILL * - sizeof(u64)); + R_CLASS0_SPILL_MEM_START_0, + R_CLASS0_SPILL_MEM_START_1, + R_CLASS0_SPILL_MEM_SIZE, + MAX_CLASS_0_SPILL * sizeof(u64)); priv->class_1_spill = xlr_config_spill(priv, - R_CLASS1_SPILL_MEM_START_0, - R_CLASS1_SPILL_MEM_START_1, - R_CLASS1_SPILL_MEM_SIZE, - MAX_CLASS_1_SPILL * - sizeof(u64)); + R_CLASS1_SPILL_MEM_START_0, + R_CLASS1_SPILL_MEM_START_1, + R_CLASS1_SPILL_MEM_SIZE, + MAX_CLASS_1_SPILL * sizeof(u64)); priv->class_2_spill = xlr_config_spill(priv, - R_CLASS2_SPILL_MEM_START_0, - R_CLASS2_SPILL_MEM_START_1, - R_CLASS2_SPILL_MEM_SIZE, - MAX_CLASS_2_SPILL * - sizeof(u64)); + R_CLASS2_SPILL_MEM_START_0, + R_CLASS2_SPILL_MEM_START_1, + R_CLASS2_SPILL_MEM_SIZE, + MAX_CLASS_2_SPILL * sizeof(u64)); priv->class_3_spill = xlr_config_spill(priv, - R_CLASS3_SPILL_MEM_START_0, - R_CLASS3_SPILL_MEM_START_1, - R_CLASS3_SPILL_MEM_SIZE, - MAX_CLASS_3_SPILL * - sizeof(u64)); + R_CLASS3_SPILL_MEM_START_0, + R_CLASS3_SPILL_MEM_START_1, + R_CLASS3_SPILL_MEM_SIZE, + MAX_CLASS_3_SPILL * sizeof(u64)); } /* diff --git a/drivers/staging/nvec/Makefile b/drivers/staging/nvec/Makefile index 0db0e1f43337..f0cff8f9fdf6 100644 --- a/drivers/staging/nvec/Makefile +++ b/drivers/staging/nvec/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SERIO_NVEC_PS2) += nvec_ps2.o obj-$(CONFIG_MFD_NVEC) += nvec.o obj-$(CONFIG_NVEC_POWER) += nvec_power.o diff --git a/drivers/staging/olpc_dcon/olpc_dcon.h b/drivers/staging/olpc_dcon/olpc_dcon.h index 215e7ec4dea2..8fbde5d3b4a6 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.h +++ b/drivers/staging/olpc_dcon/olpc_dcon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef OLPC_DCON_H_ #define OLPC_DCON_H_ diff --git a/drivers/staging/pi433/Documentation/pi433.txt b/drivers/staging/pi433/Documentation/pi433.txt index 38b83b86c334..245fef33d688 100644 --- a/drivers/staging/pi433/Documentation/pi433.txt +++ b/drivers/staging/pi433/Documentation/pi433.txt @@ -20,7 +20,7 @@ Discription of driver operation a) transmission Each transmission can take place with a different configuration of the rf -module. Therfore each application can set its own set of parameters. The driver +module. Therefore each application can set its own set of parameters. The driver takes care, that each transmission takes place with the parameterset of the application, that requests the transmission. To allow the transmission to take place in the background, a tx thread is introduced. @@ -33,7 +33,7 @@ there is no receive request or the receiver is still waiting for something in the air, the rf module is set to standby, the parameters for transmission gets set, the hardware fifo of the rf chip gets preloaded and the transmission gets started. Upon hardware fifo threshold interrupt it gets reloaded, thus enabling -much longer telegrams then hardware fifo size. If the telegram is send and there +much longer telegrams than the hardware fifo size. If the telegram is sent and there is more data available in the kfifo, the procedure is repeated. If not the transmission cycle ends. @@ -41,7 +41,7 @@ b) reception Since there is only one application allowed to receive data at a time, for reception there is only one configuration set. -As soon as an application sets an request for receiving a telegram, the reception +As soon as an application sets a request for receiving a telegram, the reception configuration set is written to the rf module and it gets set into receiving mode. Now the driver is waiting, that a predefined RSSI level (signal strength at the receiver) is reached. Until this hasn't happened, the reception can be @@ -123,7 +123,7 @@ packet format: optionOff - no preamble will be generated enable_sync optionOn - a sync word will be automatically added to - the telegram after preamble + the telegram after the preamble optionOff - no sync word will be added Attention: While possible to generate sync without preamble, the receiver won't be able to detect the sync without preamble. @@ -136,7 +136,7 @@ packet format: Attention: should be used in combination with sync, only enable_address_byte optionOn - the address byte will be automatically added to the - telgram. It's part of the payload + telegram. It's part of the payload optionOff - the address byte will not be added to the telegram. The address byte can be used for address filtering, so the receiver will only receive telegrams with a given address byte. @@ -161,7 +161,7 @@ packet format: one byte, used as address byte on address byte option. -The rx configuration is transfered via struct pi433_rx_cfg, the parameterset for receiving. It is devided into two sections: rf parameters and packet format. +The rx configuration is transferred via struct pi433_rx_cfg, the parameterset for receiving. It is divided into two sections: rf parameters and packet format. rf params: frequency @@ -178,7 +178,7 @@ rf params: OOK - on off key rssi_threshold threshold value for the signal strength on the receiver input. - If this value is exeeded, a reception cycle starts + If this value is exceeded, a reception cycle starts Allowed values: 0...255 thresholdDecrement in order to adapt to different levels of singnal strength, over @@ -198,7 +198,7 @@ rf params: twohundretOhm - for antennas with an impedance of 200Ohm lnaGain sets the gain of the low noise amp - automatic - lna gain is determed by an agc + automatic - lna gain is determined by an agc max - lna gain is set to maximum maxMinus6 - lna gain is set to 6db below max maxMinus12 - lna gain is set to 12db below max @@ -232,7 +232,7 @@ rf params: amount of bytes that were requested by the read request. Attention: should be used in combination with sync, only enable_address_filtering; - filteringOff - no adress filtering will take place + filteringOff - no address filtering will take place nodeAddress - all telegrams, not matching the node address will be internally discarded nodeOrBroadcastAddress - all telegrams, neither matching the @@ -245,7 +245,7 @@ rf params: calculated crc doesn't match to two bytes, that follow the payload, the telegram will be internally discarded. - Attention: This option is only operational, if sync on and fixed length + Attention: This option is only operational if sync on and fixed length or length byte is used sync_length Gives the length of the payload. @@ -255,9 +255,9 @@ rf params: Overrides the telegram length either given by the first byte of payload or by the read request. bytes_to_drop - gives the number of bytes, that will be dropped before transfering + gives the number of bytes, that will be dropped before transferring data to the read buffer - This option is only usefull, if all packet helper are switched + This option is only useful if all packet helper are switched off and the rf chip is used in raw receiving mode. This may be needed, if a telegram of a third party device should be received, using a protocol not compatible with the packet engine of the rf69 chip. diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c index 93c01680f016..d946838450d4 100644 --- a/drivers/staging/pi433/pi433_if.c +++ b/drivers/staging/pi433/pi433_if.c @@ -136,17 +136,17 @@ static irqreturn_t DIO0_irq_handler(int irq, void *dev_id) if (device->irq_state[DIO0] == DIO_PacketSent) { device->free_in_fifo = FIFO_SIZE; - printk("DIO0 irq: Packet sent\n"); // TODO: printk() should include KERN_ facility level + dev_dbg(device->dev, "DIO0 irq: Packet sent\n"); wake_up_interruptible(&device->fifo_wait_queue); } else if (device->irq_state[DIO0] == DIO_Rssi_DIO0) { - printk("DIO0 irq: RSSI level over threshold\n"); + dev_dbg(device->dev, "DIO0 irq: RSSI level over threshold\n"); wake_up_interruptible(&device->rx_wait_queue); } else if (device->irq_state[DIO0] == DIO_PayloadReady) { - printk("DIO0 irq: PayloadReady\n"); + dev_dbg(device->dev, "DIO0 irq: PayloadReady\n"); device->free_in_fifo = 0; wake_up_interruptible(&device->fifo_wait_queue); } @@ -167,7 +167,8 @@ static irqreturn_t DIO1_irq_handler(int irq, void *dev_id) if (device->rx_active) device->free_in_fifo = FIFO_THRESHOLD - 1; else device->free_in_fifo = FIFO_SIZE - FIFO_THRESHOLD - 1; } - printk("DIO1 irq: %d bytes free in fifo\n", device->free_in_fifo); // TODO: printk() should include KERN_ facility level + dev_dbg(device->dev, + "DIO1 irq: %d bytes free in fifo\n", device->free_in_fifo); wake_up_interruptible(&device->fifo_wait_queue); return IRQ_HANDLED; @@ -284,8 +285,7 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg) SET_CHECKED(rf69_set_crc_enable (dev->spi, tx_cfg->enable_crc)); /* configure sync, if enabled */ - if (tx_cfg->enable_sync == optionOn) - { + if (tx_cfg->enable_sync == optionOn) { SET_CHECKED(rf69_set_sync_size(dev->spi, tx_cfg->sync_length)); SET_CHECKED(rf69_set_sync_values(dev->spi, tx_cfg->sync_pattern)); } @@ -407,8 +407,7 @@ pi433_receive(void *data) if (retval) goto abort; /* wait was interrupted */ rf69_read_fifo(spi, (u8 *)&bytes_total, 1); - if (bytes_total > dev->rx_buffer_size) - { + if (bytes_total > dev->rx_buffer_size) { retval = -1; goto abort; } @@ -466,7 +465,7 @@ pi433_receive(void *data) } - /* rx done, wait was interrupted or error occured */ + /* rx done, wait was interrupted or error occurred */ abort: dev->interrupt_rx_allowed = true; SET_CHECKED(rf69_set_mode(dev->spi, standby)); @@ -508,16 +507,14 @@ pi433_tx_thread(void *data) mutex_lock(&device->tx_fifo_lock); retval = kfifo_out(&device->tx_fifo, &tx_cfg, sizeof(tx_cfg)); - if (retval != sizeof(tx_cfg)) - { + if (retval != sizeof(tx_cfg)) { dev_dbg(device->dev, "reading tx_cfg from fifo failed: got %d byte(s), expected %d", retval, (unsigned int)sizeof(tx_cfg) ); mutex_unlock(&device->tx_fifo_lock); continue; } retval = kfifo_out(&device->tx_fifo, &size, sizeof(size_t)); - if (retval != sizeof(size_t)) - { + if (retval != sizeof(size_t)) { dev_dbg(device->dev, "reading msg size from fifo failed: got %d, expected %d", retval, (unsigned int)sizeof(size_t) ); mutex_unlock(&device->tx_fifo_lock); continue; @@ -649,8 +646,7 @@ pi433_tx_thread(void *data) SET_CHECKED(rf69_set_mode(spi, standby)); /* everything sent? */ - if ( kfifo_is_empty(&device->tx_fifo) ) - { + if (kfifo_is_empty(&device->tx_fifo)) { abort: if (rx_interrupted) { @@ -704,8 +700,7 @@ pi433_read(struct file *filp, char __user *buf, size_t size, loff_t *f_pos) mutex_unlock(&device->rx_lock); /* if read was successful copy to user space*/ - if (bytes_received > 0) - { + if (bytes_received > 0) { retval = copy_to_user(buf, device->rx_buffer, bytes_received); if (retval) return -EFAULT; @@ -805,8 +800,7 @@ pi433_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) switch (cmd) { case PI433_IOC_RD_TX_CFG: tmp = _IOC_SIZE(cmd); - if ( (tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0) ) - { + if ((tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0)) { retval = -EINVAL; break; } @@ -822,8 +816,7 @@ pi433_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) break; case PI433_IOC_WR_TX_CFG: tmp = _IOC_SIZE(cmd); - if ( (tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0) ) - { + if ((tmp == 0) || ((tmp % sizeof(struct pi433_tx_cfg)) != 0)) { retval = -EINVAL; break; } @@ -916,8 +909,7 @@ static int pi433_open(struct inode *inode, struct file *filp) if (!device->rx_buffer) { device->rx_buffer = kmalloc(MAX_MSG_SIZE, GFP_KERNEL); - if (!device->rx_buffer) - { + if (!device->rx_buffer) { dev_dbg(device->dev, "open/ENOMEM\n"); return -ENOMEM; } @@ -925,8 +917,7 @@ static int pi433_open(struct inode *inode, struct file *filp) device->users++; instance = kzalloc(sizeof(*instance), GFP_KERNEL); - if (!instance) - { + if (!instance) { kfree(device->rx_buffer); device->rx_buffer = NULL; return -ENOMEM; @@ -986,8 +977,7 @@ static int setup_GPIOs(struct pi433_device *device) snprintf(name, sizeof(name), "DIO%d", i); device->gpiod[i] = gpiod_get(&device->spi->dev, name, 0 /*GPIOD_IN*/); - if (device->gpiod[i] == ERR_PTR(-ENOENT)) - { + if (device->gpiod[i] == ERR_PTR(-ENOENT)) { dev_dbg(&device->spi->dev, "Could not find entry for %s. Ignoring.", name); continue; } @@ -1016,8 +1006,7 @@ static int setup_GPIOs(struct pi433_device *device) /* configure irq */ device->irq_num[i] = gpiod_to_irq(device->gpiod[i]); - if (device->irq_num[i] < 0) - { + if (device->irq_num[i] < 0) { device->gpiod[i] = ERR_PTR(-EINVAL);//(struct gpio_desc *)device->irq_num[i]; return device->irq_num[i]; } @@ -1030,7 +1019,7 @@ static int setup_GPIOs(struct pi433_device *device) if (retval) return retval; - dev_dbg(&device->spi->dev, "%s succesfully configured", name); + dev_dbg(&device->spi->dev, "%s successfully configured", name); } return 0; @@ -1156,8 +1145,7 @@ static int pi433_probe(struct spi_device *spi) /* setup GPIO (including irq_handler) for the different DIOs */ retval = setup_GPIOs(device); - if (retval) - { + if (retval) { dev_dbg(&spi->dev, "setup of GPIOs failed"); goto GPIO_failed; } @@ -1175,16 +1163,14 @@ static int pi433_probe(struct spi_device *spi) device->tx_task_struct = kthread_run(pi433_tx_thread, device, "pi433_tx_task"); - if (IS_ERR(device->tx_task_struct)) - { + if (IS_ERR(device->tx_task_struct)) { dev_dbg(device->dev, "start of send thread failed"); goto send_thread_failed; } /* determ minor number */ retval = pi433_get_minor(device); - if (retval) - { + if (retval) { dev_dbg(device->dev, "get of minor number failed"); goto minor_failed; } @@ -1213,8 +1199,7 @@ static int pi433_probe(struct spi_device *spi) device->cdev->owner = THIS_MODULE; cdev_init(device->cdev, &pi433_fops); retval = cdev_add(device->cdev, device->devt, 1); - if (retval) - { + if (retval) { dev_dbg(device->dev, "register of cdev failed"); goto cdev_failed; } @@ -1306,15 +1291,13 @@ static int __init pi433_init(void) return status; pi433_class = class_create(THIS_MODULE, "pi433"); - if (IS_ERR(pi433_class)) - { + if (IS_ERR(pi433_class)) { unregister_chrdev(MAJOR(pi433_dev), pi433_spi_driver.driver.name); return PTR_ERR(pi433_class); } status = spi_register_driver(&pi433_spi_driver); - if (status < 0) - { + if (status < 0) { class_destroy(pi433_class); unregister_chrdev(MAJOR(pi433_dev), pi433_spi_driver.driver.name); } diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c index 290b419aa9dd..e69a2153c999 100644 --- a/drivers/staging/pi433/rf69.c +++ b/drivers/staging/pi433/rf69.c @@ -34,7 +34,7 @@ /*-------------------------------------------------------------------------*/ #define READ_REG(x) rf69_read_reg (spi, x) -#define WRITE_REG(x,y) rf69_write_reg(spi, x, y) +#define WRITE_REG(x, y) rf69_write_reg(spi, x, y) /*-------------------------------------------------------------------------*/ @@ -164,9 +164,12 @@ int rf69_set_bit_rate(struct spi_device *spi, u16 bitRate) // transmit to RF 69 retval = WRITE_REG(REG_BITRATE_MSB, msb); - if (retval) return retval; + if (retval) + return retval; + retval = WRITE_REG(REG_BITRATE_LSB, lsb); - if (retval) return retval; + if (retval) + return retval; return 0; } @@ -196,7 +199,7 @@ int rf69_set_deviation(struct spi_device *spi, u32 deviation) // calculate register settings f_reg = deviation * factor; - do_div(f_reg , f_step); + do_div(f_reg, f_step); msb = (f_reg&0xff00) >> 8; lsb = (f_reg&0xff); @@ -209,9 +212,12 @@ int rf69_set_deviation(struct spi_device *spi, u32 deviation) // write to chip retval = WRITE_REG(REG_FDEV_MSB, msb); - if (retval) return retval; + if (retval) + return retval; + retval = WRITE_REG(REG_FDEV_LSB, lsb); - if (retval) return retval; + if (retval) + return retval; return 0; } @@ -244,7 +250,7 @@ int rf69_set_frequency(struct spi_device *spi, u32 frequency) // calculate reg settings f_reg = frequency * factor; - do_div(f_reg , f_step); + do_div(f_reg, f_step); msb = (f_reg&0xff0000) >> 16; mid = (f_reg&0xff00) >> 8; @@ -252,11 +258,16 @@ int rf69_set_frequency(struct spi_device *spi, u32 frequency) // write to chip retval = WRITE_REG(REG_FRF_MSB, msb); - if (retval) return retval; + if (retval) + return retval; + retval = WRITE_REG(REG_FRF_MID, mid); - if (retval) return retval; + if (retval) + return retval; + retval = WRITE_REG(REG_FRF_LSB, lsb); - if (retval) return retval; + if (retval) + return retval; return 0; } @@ -267,9 +278,9 @@ int rf69_set_amplifier_0(struct spi_device *spi, enum optionOnOff optionOnOff) dev_dbg(&spi->dev, "set: amp #0"); #endif - switch(optionOnOff) { - case optionOn: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) | MASK_PALEVEL_PA0) ); - case optionOff: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) & ~MASK_PALEVEL_PA0) ); + switch (optionOnOff) { + case optionOn: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) | MASK_PALEVEL_PA0)); + case optionOff: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) & ~MASK_PALEVEL_PA0)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -282,9 +293,9 @@ int rf69_set_amplifier_1(struct spi_device *spi, enum optionOnOff optionOnOff) dev_dbg(&spi->dev, "set: amp #1"); #endif - switch(optionOnOff) { - case optionOn: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) | MASK_PALEVEL_PA1) ); - case optionOff: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) & ~MASK_PALEVEL_PA1) ); + switch (optionOnOff) { + case optionOn: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) | MASK_PALEVEL_PA1)); + case optionOff: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) & ~MASK_PALEVEL_PA1)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -297,9 +308,9 @@ int rf69_set_amplifier_2(struct spi_device *spi, enum optionOnOff optionOnOff) dev_dbg(&spi->dev, "set: amp #2"); #endif - switch(optionOnOff) { - case optionOn: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) | MASK_PALEVEL_PA2) ); - case optionOff: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) & ~MASK_PALEVEL_PA2) ); + switch (optionOnOff) { + case optionOn: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) | MASK_PALEVEL_PA2)); + case optionOff: return WRITE_REG(REG_PALEVEL, (READ_REG(REG_PALEVEL) & ~MASK_PALEVEL_PA2)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -312,7 +323,7 @@ int rf69_set_output_power_level(struct spi_device *spi, u8 powerLevel) dev_dbg(&spi->dev, "set: power level"); #endif - powerLevel +=18; // TODO Abhängigkeit von PA0,1,2 setting + powerLevel += 18; // TODO Abhängigkeit von PA0,1,2 setting // check input value if (powerLevel > 0x1f) { @@ -330,7 +341,7 @@ int rf69_set_pa_ramp(struct spi_device *spi, enum paRamp paRamp) dev_dbg(&spi->dev, "set: pa ramp"); #endif - switch(paRamp) { + switch (paRamp) { case ramp3400: return WRITE_REG(REG_PARAMP, PARAMP_3400); case ramp2000: return WRITE_REG(REG_PARAMP, PARAMP_2000); case ramp1000: return WRITE_REG(REG_PARAMP, PARAMP_1000); @@ -359,9 +370,9 @@ int rf69_set_antenna_impedance(struct spi_device *spi, enum antennaImpedance ant dev_dbg(&spi->dev, "set: antenna impedance"); #endif - switch(antennaImpedance) { - case fiftyOhm: return WRITE_REG(REG_LNA, (READ_REG(REG_LNA) & ~MASK_LNA_ZIN) ); - case twohundretOhm: return WRITE_REG(REG_LNA, (READ_REG(REG_LNA) | MASK_LNA_ZIN) ); + switch (antennaImpedance) { + case fiftyOhm: return WRITE_REG(REG_LNA, (READ_REG(REG_LNA) & ~MASK_LNA_ZIN)); + case twohundretOhm: return WRITE_REG(REG_LNA, (READ_REG(REG_LNA) | MASK_LNA_ZIN)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -374,14 +385,14 @@ int rf69_set_lna_gain(struct spi_device *spi, enum lnaGain lnaGain) dev_dbg(&spi->dev, "set: lna gain"); #endif - switch(lnaGain) { - case automatic: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_AUTO) ); - case max: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX) ); - case maxMinus6: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_6) ); - case maxMinus12: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_12) ); - case maxMinus24: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_24) ); - case maxMinus36: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_36) ); - case maxMinus48: return WRITE_REG(REG_LNA, ( (READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_48) ); + switch (lnaGain) { + case automatic: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_AUTO)); + case max: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX)); + case maxMinus6: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_6)); + case maxMinus12: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_12)); + case maxMinus24: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_24)); + case maxMinus36: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_36)); + case maxMinus48: return WRITE_REG(REG_LNA, ((READ_REG(REG_LNA) & ~MASK_LNA_GAIN) & LNA_GAIN_MAX_MINUS_48)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -410,17 +421,17 @@ enum lnaGain rf69_get_lna_gain(struct spi_device *spi) } } -int rf69_set_dc_cut_off_frequency_intern(struct spi_device *spi ,u8 reg, enum dccPercent dccPercent) +int rf69_set_dc_cut_off_frequency_intern(struct spi_device *spi, u8 reg, enum dccPercent dccPercent) { switch (dccPercent) { - case dcc16Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_16_PERCENT) ); - case dcc8Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_8_PERCENT) ); - case dcc4Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_4_PERCENT) ); - case dcc2Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_2_PERCENT) ); - case dcc1Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_1_PERCENT) ); - case dcc0_5Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_0_5_PERCENT) ); - case dcc0_25Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_0_25_PERCENT) ); - case dcc0_125Percent: return WRITE_REG(reg, ( (READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_0_125_PERCENT) ); + case dcc16Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_16_PERCENT)); + case dcc8Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_8_PERCENT)); + case dcc4Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_4_PERCENT)); + case dcc2Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_2_PERCENT)); + case dcc1Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_1_PERCENT)); + case dcc0_5Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_0_5_PERCENT)); + case dcc0_25Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_0_25_PERCENT)); + case dcc0_125Percent: return WRITE_REG(reg, ((READ_REG(reg) & ~MASK_BW_DCC_FREQ) | BW_DCC_0_125_PERCENT)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -470,10 +481,16 @@ static int rf69_set_bandwidth_intern(struct spi_device *spi, u8 reg, newValue = newValue & MASK_BW_DCC_FREQ; // add new mantisse - switch(mantisse) { - case mantisse16: newValue = newValue | BW_MANT_16; break; - case mantisse20: newValue = newValue | BW_MANT_20; break; - case mantisse24: newValue = newValue | BW_MANT_24; break; + switch (mantisse) { + case mantisse16: + newValue = newValue | BW_MANT_16; + break; + case mantisse20: + newValue = newValue | BW_MANT_20; + break; + case mantisse24: + newValue = newValue | BW_MANT_24; + break; } // add new exponent @@ -508,9 +525,9 @@ int rf69_set_ook_threshold_type(struct spi_device *spi, enum thresholdType thres #endif switch (thresholdType) { - case fixed: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESTYPE) | OOKPEAK_THRESHTYPE_FIXED) ); - case peak: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESTYPE) | OOKPEAK_THRESHTYPE_PEAK) ); - case average: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESTYPE) | OOKPEAK_THRESHTYPE_AVERAGE) ); + case fixed: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESTYPE) | OOKPEAK_THRESHTYPE_FIXED)); + case peak: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESTYPE) | OOKPEAK_THRESHTYPE_PEAK)); + case average: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESTYPE) | OOKPEAK_THRESHTYPE_AVERAGE)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -524,14 +541,14 @@ int rf69_set_ook_threshold_step(struct spi_device *spi, enum thresholdStep thres #endif switch (thresholdStep) { - case step_0_5db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_0_5_DB) ); - case step_1_0db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_1_0_DB) ); - case step_1_5db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_1_5_DB) ); - case step_2_0db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_2_0_DB) ); - case step_3_0db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_3_0_DB) ); - case step_4_0db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_4_0_DB) ); - case step_5_0db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_5_0_DB) ); - case step_6_0db: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_6_0_DB) ); + case step_0_5db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_0_5_DB)); + case step_1_0db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_1_0_DB)); + case step_1_5db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_1_5_DB)); + case step_2_0db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_2_0_DB)); + case step_3_0db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_3_0_DB)); + case step_4_0db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_4_0_DB)); + case step_5_0db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_5_0_DB)); + case step_6_0db: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESSTEP) | OOKPEAK_THRESHSTEP_6_0_DB)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -545,14 +562,14 @@ int rf69_set_ook_threshold_dec(struct spi_device *spi, enum thresholdDecrement t #endif switch (thresholdDecrement) { - case dec_every8th: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_EVERY_8TH) ); - case dec_every4th: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_EVERY_4TH) ); - case dec_every2nd: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_EVERY_2ND) ); - case dec_once: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_ONCE) ); - case dec_twice: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_TWICE) ); - case dec_4times: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_4_TIMES) ); - case dec_8times: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_8_TIMES) ); - case dec_16times: return WRITE_REG(REG_OOKPEAK, ( (READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_16_TIMES) ); + case dec_every8th: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_EVERY_8TH)); + case dec_every4th: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_EVERY_4TH)); + case dec_every2nd: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_EVERY_2ND)); + case dec_once: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_ONCE)); + case dec_twice: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_TWICE)); + case dec_4times: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_4_TIMES)); + case dec_8times: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_8_TIMES)); + case dec_16times: return WRITE_REG(REG_OOKPEAK, ((READ_REG(REG_OOKPEAK) & ~MASK_OOKPEAK_THRESDEC) | OOKPEAK_THRESHDEC_16_TIMES)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -571,25 +588,37 @@ int rf69_set_dio_mapping(struct spi_device *spi, u8 DIONumber, u8 value) #endif switch (DIONumber) { - case 0: mask=MASK_DIO0; shift=SHIFT_DIO0; regaddr=REG_DIOMAPPING1; break; - case 1: mask=MASK_DIO1; shift=SHIFT_DIO1; regaddr=REG_DIOMAPPING1; break; - case 2: mask=MASK_DIO2; shift=SHIFT_DIO2; regaddr=REG_DIOMAPPING1; break; - case 3: mask=MASK_DIO3; shift=SHIFT_DIO3; regaddr=REG_DIOMAPPING1; break; - case 4: mask=MASK_DIO4; shift=SHIFT_DIO4; regaddr=REG_DIOMAPPING2; break; - case 5: mask=MASK_DIO5; shift=SHIFT_DIO5; regaddr=REG_DIOMAPPING2; break; + case 0: + mask = MASK_DIO0; shift = SHIFT_DIO0; regaddr = REG_DIOMAPPING1; + break; + case 1: + mask = MASK_DIO1; shift = SHIFT_DIO1; regaddr = REG_DIOMAPPING1; + break; + case 2: + mask = MASK_DIO2; shift = SHIFT_DIO2; regaddr = REG_DIOMAPPING1; + break; + case 3: + mask = MASK_DIO3; shift = SHIFT_DIO3; regaddr = REG_DIOMAPPING1; + break; + case 4: + mask = MASK_DIO4; shift = SHIFT_DIO4; regaddr = REG_DIOMAPPING2; + break; + case 5: + mask = MASK_DIO5; shift = SHIFT_DIO5; regaddr = REG_DIOMAPPING2; + break; default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; } // read reg - regValue=READ_REG(regaddr); + regValue = READ_REG(regaddr); // delete old value regValue = regValue & ~mask; // add new value regValue = regValue | value << shift; // write back - return WRITE_REG(regaddr,regValue); + return WRITE_REG(regaddr, regValue); } bool rf69_get_flag(struct spi_device *spi, enum flag flag) @@ -598,7 +627,7 @@ bool rf69_get_flag(struct spi_device *spi, enum flag flag) dev_dbg(&spi->dev, "get: flag"); #endif - switch(flag) { + switch (flag) { case modeSwitchCompleted: return (READ_REG(REG_IRQFLAGS1) & MASK_IRQFLAGS1_MODE_READY); case readyToReceive: return (READ_REG(REG_IRQFLAGS1) & MASK_IRQFLAGS1_RX_READY); case readyToSend: return (READ_REG(REG_IRQFLAGS1) & MASK_IRQFLAGS1_TX_READY); @@ -626,7 +655,7 @@ int rf69_reset_flag(struct spi_device *spi, enum flag flag) dev_dbg(&spi->dev, "reset: flag"); #endif - switch(flag) { + switch (flag) { case rssiExceededThreshold: return WRITE_REG(REG_IRQFLAGS1, MASK_IRQFLAGS1_RSSI); case syncAddressMatch: return WRITE_REG(REG_IRQFLAGS1, MASK_IRQFLAGS1_SYNC_ADDRESS_MATCH); case fifoOverrun: return WRITE_REG(REG_IRQFLAGS2, MASK_IRQFLAGS2_FIFO_OVERRUN); @@ -686,10 +715,9 @@ int rf69_set_preamble_length(struct spi_device *spi, u16 preambleLength) /* transmit to chip */ retval = WRITE_REG(REG_PREAMBLE_MSB, msb); - if (retval) return retval; - retval = WRITE_REG(REG_PREAMBLE_LSB, lsb); - - return retval; + if (retval) + return retval; + return WRITE_REG(REG_PREAMBLE_LSB, lsb); } int rf69_set_sync_enable(struct spi_device *spi, enum optionOnOff optionOnOff) @@ -698,9 +726,9 @@ int rf69_set_sync_enable(struct spi_device *spi, enum optionOnOff optionOnOff) dev_dbg(&spi->dev, "set: sync enable"); #endif - switch(optionOnOff) { - case optionOn: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) | MASK_SYNC_CONFIG_SYNC_ON) ); - case optionOff: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) & ~MASK_SYNC_CONFIG_SYNC_ON) ); + switch (optionOnOff) { + case optionOn: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) | MASK_SYNC_CONFIG_SYNC_ON)); + case optionOff: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) & ~MASK_SYNC_CONFIG_SYNC_ON)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -713,9 +741,9 @@ int rf69_set_fifo_fill_condition(struct spi_device *spi, enum fifoFillCondition dev_dbg(&spi->dev, "set: fifo fill condition"); #endif - switch(fifoFillCondition) { - case always: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) | MASK_SYNC_CONFIG_FIFO_FILL_CONDITION) ); - case afterSyncInterrupt: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) & ~MASK_SYNC_CONFIG_FIFO_FILL_CONDITION) ); + switch (fifoFillCondition) { + case always: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) | MASK_SYNC_CONFIG_FIFO_FILL_CONDITION)); + case afterSyncInterrupt: return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) & ~MASK_SYNC_CONFIG_FIFO_FILL_CONDITION)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -735,7 +763,7 @@ int rf69_set_sync_size(struct spi_device *spi, u8 syncSize) } // write value - return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) & ~MASK_SYNC_CONFIG_SYNC_SIZE) | (syncSize << 3) ); + return WRITE_REG(REG_SYNC_CONFIG, (READ_REG(REG_SYNC_CONFIG) & ~MASK_SYNC_CONFIG_SYNC_SIZE) | (syncSize << 3)); } int rf69_set_sync_tolerance(struct spi_device *spi, u8 syncTolerance) @@ -780,9 +808,9 @@ int rf69_set_packet_format(struct spi_device *spi, enum packetFormat packetForma dev_dbg(&spi->dev, "set: packet format"); #endif - switch(packetFormat) { - case packetLengthVar: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) | MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE) ); - case packetLengthFix: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE) ); + switch (packetFormat) { + case packetLengthVar: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) | MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE)); + case packetLengthFix: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -795,9 +823,9 @@ int rf69_set_crc_enable(struct spi_device *spi, enum optionOnOff optionOnOff) dev_dbg(&spi->dev, "set: crc enable"); #endif - switch(optionOnOff) { - case optionOn: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) | MASK_PACKETCONFIG1_CRC_ON) ); - case optionOff: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_CRC_ON) ); + switch (optionOnOff) { + case optionOn: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) | MASK_PACKETCONFIG1_CRC_ON)); + case optionOff: return WRITE_REG(REG_PACKETCONFIG1, (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_CRC_ON)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -811,9 +839,9 @@ int rf69_set_adressFiltering(struct spi_device *spi, enum addressFiltering addre #endif switch (addressFiltering) { - case filteringOff: return WRITE_REG(REG_PACKETCONFIG1, ( (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_ADDRESSFILTERING) | PACKETCONFIG1_ADDRESSFILTERING_OFF) ); - case nodeAddress: return WRITE_REG(REG_PACKETCONFIG1, ( (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_ADDRESSFILTERING) | PACKETCONFIG1_ADDRESSFILTERING_NODE) ); - case nodeOrBroadcastAddress: return WRITE_REG(REG_PACKETCONFIG1, ( (READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_ADDRESSFILTERING) | PACKETCONFIG1_ADDRESSFILTERING_NODEBROADCAST) ); + case filteringOff: return WRITE_REG(REG_PACKETCONFIG1, ((READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_ADDRESSFILTERING) | PACKETCONFIG1_ADDRESSFILTERING_OFF)); + case nodeAddress: return WRITE_REG(REG_PACKETCONFIG1, ((READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_ADDRESSFILTERING) | PACKETCONFIG1_ADDRESSFILTERING_NODE)); + case nodeOrBroadcastAddress: return WRITE_REG(REG_PACKETCONFIG1, ((READ_REG(REG_PACKETCONFIG1) & ~MASK_PACKETCONFIG1_ADDRESSFILTERING) | PACKETCONFIG1_ADDRESSFILTERING_NODEBROADCAST)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -862,9 +890,9 @@ int rf69_set_tx_start_condition(struct spi_device *spi, enum txStartCondition tx dev_dbg(&spi->dev, "set: start condition"); #endif - switch(txStartCondition) { - case fifoLevel: return WRITE_REG(REG_FIFO_THRESH, (READ_REG(REG_FIFO_THRESH) & ~MASK_FIFO_THRESH_TXSTART) ); - case fifoNotEmpty: return WRITE_REG(REG_FIFO_THRESH, (READ_REG(REG_FIFO_THRESH) | MASK_FIFO_THRESH_TXSTART) ); + switch (txStartCondition) { + case fifoLevel: return WRITE_REG(REG_FIFO_THRESH, (READ_REG(REG_FIFO_THRESH) & ~MASK_FIFO_THRESH_TXSTART)); + case fifoNotEmpty: return WRITE_REG(REG_FIFO_THRESH, (READ_REG(REG_FIFO_THRESH) | MASK_FIFO_THRESH_TXSTART)); default: dev_dbg(&spi->dev, "set: illegal input param"); return -EINVAL; @@ -891,7 +919,7 @@ int rf69_set_fifo_threshold(struct spi_device *spi, u8 threshold) return retval; // access the fifo to activate new threshold - return rf69_read_fifo (spi, (u8*) &retval, 1); // retval used as buffer + return rf69_read_fifo(spi, (u8 *)&retval, 1); // retval used as buffer } int rf69_set_dagc(struct spi_device *spi, enum dagc dagc) @@ -900,7 +928,7 @@ int rf69_set_dagc(struct spi_device *spi, enum dagc dagc) dev_dbg(&spi->dev, "set: dagc"); #endif - switch(dagc) { + switch (dagc) { case normalMode: return WRITE_REG(REG_TESTDAGC, DAGC_NORMAL); case improve: return WRITE_REG(REG_TESTDAGC, DAGC_IMPROVED_LOWBETA0); case improve4LowModulationIndex: return WRITE_REG(REG_TESTDAGC, DAGC_IMPROVED_LOWBETA1); @@ -931,14 +959,14 @@ int rf69_read_fifo (struct spi_device *spi, u8 *buffer, unsigned int size) /* prepare a bidirectional transfer */ local_buffer[0] = REG_FIFO; memset(&transfer, 0, sizeof(transfer)); - transfer.tx_buf = local_buffer; - transfer.rx_buf = local_buffer; + transfer.tx_buf = local_buffer; + transfer.rx_buf = local_buffer; transfer.len = size+1; retval = spi_sync_transfer(spi, &transfer, 1); #ifdef DEBUG_FIFO_ACCESS - for (i=0; i<size; i++) + for (i = 0; i < size; i++) dev_dbg(&spi->dev, "%d - 0x%x\n", i, local_buffer[i+1]); #endif @@ -966,8 +994,8 @@ int rf69_write_fifo(struct spi_device *spi, u8 *buffer, unsigned int size) memcpy(&local_buffer[1], buffer, size); // TODO: ohne memcopy wäre schöner #ifdef DEBUG_FIFO_ACCESS - for (i=0; i<size; i++) - dev_dbg(&spi->dev, "0x%x\n",buffer[i]); + for (i = 0; i < size; i++) + dev_dbg(&spi->dev, "0x%x\n", buffer[i]); #endif return spi_write (spi, local_buffer, size + 1); diff --git a/drivers/staging/rtl8188eu/Makefile b/drivers/staging/rtl8188eu/Makefile index 27af86e05098..033fb2e6950d 100644 --- a/drivers/staging/rtl8188eu/Makefile +++ b/drivers/staging/rtl8188eu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 r8188eu-y := \ core/rtw_ap.o \ core/rtw_cmd.o \ diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c index 32a483769975..fa611455109a 100644 --- a/drivers/staging/rtl8188eu/core/rtw_ap.c +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c @@ -754,7 +754,7 @@ static void start_bss_network(struct adapter *padapter, u8 *pbuf) } /* setting only at first time */ - if (!(pmlmepriv->cur_network.join_res)) { + if (pmlmepriv->cur_network.join_res != true) { /* WEP Key will be set before this function, do not * clear CAM. */ diff --git a/drivers/staging/rtl8188eu/core/rtw_cmd.c b/drivers/staging/rtl8188eu/core/rtw_cmd.c index 9461bce883ea..be8542676adf 100644 --- a/drivers/staging/rtl8188eu/core/rtw_cmd.c +++ b/drivers/staging/rtl8188eu/core/rtw_cmd.c @@ -333,7 +333,7 @@ u8 rtw_createbss_cmd(struct adapter *padapter) else RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, (" createbss for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid)); - pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); + pcmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); if (!pcmd) { res = _FAIL; goto exit; @@ -508,7 +508,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu if (enqueue) { /* need enqueue, prepare cmd_obj and enqueue */ - cmdobj = kzalloc(sizeof(*cmdobj), GFP_KERNEL); + cmdobj = kzalloc(sizeof(*cmdobj), GFP_ATOMIC); if (!cmdobj) { res = _FAIL; kfree(param); diff --git a/drivers/staging/rtl8188eu/core/rtw_efuse.c b/drivers/staging/rtl8188eu/core/rtw_efuse.c index b9bdff0490ca..2c4c8c43b1ad 100644 --- a/drivers/staging/rtl8188eu/core/rtw_efuse.c +++ b/drivers/staging/rtl8188eu/core/rtw_efuse.c @@ -48,7 +48,7 @@ void Efuse_PowerSwitch( if (PwrState) { usb_write8(pAdapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON); - /* 1.2V Power: From VDDON with Power Cut(0x0000h[15]), defualt valid */ + /* 1.2V Power: From VDDON with Power Cut(0x0000h[15]), default valid */ tmpV16 = usb_read16(pAdapter, REG_SYS_ISO_CTRL); if (!(tmpV16 & PWC_EV12V)) { tmpV16 |= PWC_EV12V; diff --git a/drivers/staging/rtl8188eu/core/rtw_led.c b/drivers/staging/rtl8188eu/core/rtw_led.c index 1b9bc9817a57..c4335893d8f6 100644 --- a/drivers/staging/rtl8188eu/core/rtw_led.c +++ b/drivers/staging/rtl8188eu/core/rtw_led.c @@ -22,9 +22,9 @@ /* Callback function of LED BlinkTimer, */ /* it just schedules to corresponding BlinkWorkItem/led_blink_hdl */ /* */ -void BlinkTimerCallback(unsigned long data) +static void BlinkTimerCallback(struct timer_list *t) { - struct LED_871x *pLed = (struct LED_871x *)data; + struct LED_871x *pLed = from_timer(pLed, t, BlinkTimer); struct adapter *padapter = pLed->padapter; if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped)) @@ -73,8 +73,7 @@ void InitLed871x(struct adapter *padapter, struct LED_871x *pLed) ResetLedStatus(pLed); - setup_timer(&pLed->BlinkTimer, BlinkTimerCallback, - (unsigned long)pLed); + timer_setup(&pLed->BlinkTimer, BlinkTimerCallback, 0); INIT_WORK(&pLed->BlinkWorkItem, BlinkWorkItemCallback); } diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c index f663e6c41f8a..1cd49e292804 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c @@ -106,10 +106,10 @@ void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) { - rtw_free_mlme_priv_ie_data(pmlmepriv); - - if (pmlmepriv) + if (pmlmepriv) { + rtw_free_mlme_priv_ie_data(pmlmepriv); vfree(pmlmepriv->free_bss_buf); + } } struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv) @@ -1135,7 +1135,7 @@ static u8 search_max_mac_id(struct adapter *padapter) #if defined(CONFIG_88EU_AP_MODE) if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { - for (aid = (pstapriv->max_num_sta); aid > 0; aid--) { + for (aid = pstapriv->max_num_sta; aid > 0; aid--) { if (pstapriv->sta_aid[aid-1]) break; } @@ -1143,7 +1143,7 @@ static u8 search_max_mac_id(struct adapter *padapter) } else #endif {/* adhoc id = 31~2 */ - for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) { + for (mac_id = NUM_STA-1; mac_id >= IBSS_START_MAC_ID; mac_id--) { if (pmlmeinfo->FW_sta_info[mac_id].status == 1) break; } @@ -1329,12 +1329,13 @@ void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf) } /* - * _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss + * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss * @adapter: pointer to struct adapter structure */ -void _rtw_join_timeout_handler (unsigned long data) +void _rtw_join_timeout_handler (struct timer_list *t) { - struct adapter *adapter = (struct adapter *)data; + struct adapter *adapter = + from_timer(adapter, t, mlmepriv.assoc_timer); struct mlme_priv *pmlmepriv = &adapter->mlmepriv; int do_join_r; @@ -1373,9 +1374,10 @@ void _rtw_join_timeout_handler (unsigned long data) * rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey * @adapter: pointer to struct adapter structure */ -void rtw_scan_timeout_handler (unsigned long data) +void rtw_scan_timeout_handler (struct timer_list *t) { - struct adapter *adapter = (struct adapter *)data; + struct adapter *adapter = + from_timer(adapter, t, mlmepriv.scan_to_timer); struct mlme_priv *pmlmepriv = &adapter->mlmepriv; DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv)); @@ -1400,9 +1402,10 @@ static void rtw_auto_scan_handler(struct adapter *padapter) } } -void rtw_dynamic_check_timer_handlder(unsigned long data) +void rtw_dynamic_check_timer_handlder(struct timer_list *t) { - struct adapter *adapter = (struct adapter *)data; + struct adapter *adapter = + from_timer(adapter, t, mlmepriv.dynamic_chk_timer); struct registry_priv *pregistrypriv = &adapter->registrypriv; if (!adapter) @@ -1569,7 +1572,7 @@ int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm; pcmd->cmdcode = _SetAuth_CMD_; pcmd->parmbuf = (unsigned char *)psetauthparm; - pcmd->cmdsz = (sizeof(struct setauth_parm)); + pcmd->cmdsz = sizeof(struct setauth_parm); pcmd->rsp = NULL; pcmd->rspsz = 0; INIT_LIST_HEAD(&pcmd->list); @@ -1648,7 +1651,7 @@ int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, in } pcmd->cmdcode = _SetKey_CMD_; pcmd->parmbuf = (u8 *)psetkeyparm; - pcmd->cmdsz = (sizeof(struct setkey_parm)); + pcmd->cmdsz = sizeof(struct setkey_parm); pcmd->rsp = NULL; pcmd->rspsz = 0; INIT_LIST_HEAD(&pcmd->list); @@ -1814,45 +1817,45 @@ void rtw_update_registrypriv_dev_network(struct adapter *adapter) struct security_priv *psecuritypriv = &adapter->securitypriv; struct wlan_network *cur_network = &adapter->mlmepriv.cur_network; - pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */ + pdev_network->Privacy = psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0; /* adhoc no 802.1x */ pdev_network->Rssi = 0; switch (pregistrypriv->wireless_mode) { case WIRELESS_11B: - pdev_network->NetworkTypeInUse = (Ndis802_11DS); + pdev_network->NetworkTypeInUse = Ndis802_11DS; break; case WIRELESS_11G: case WIRELESS_11BG: case WIRELESS_11_24N: case WIRELESS_11G_24N: case WIRELESS_11BG_24N: - pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24); + pdev_network->NetworkTypeInUse = Ndis802_11OFDM24; break; case WIRELESS_11A: case WIRELESS_11A_5N: - pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5); + pdev_network->NetworkTypeInUse = Ndis802_11OFDM5; break; case WIRELESS_11ABGN: if (pregistrypriv->channel > 14) - pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5); + pdev_network->NetworkTypeInUse = Ndis802_11OFDM5; else - pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24); + pdev_network->NetworkTypeInUse = Ndis802_11OFDM24; break; default: /* TODO */ break; } - pdev_network->Configuration.DSConfig = (pregistrypriv->channel); + pdev_network->Configuration.DSConfig = pregistrypriv->channel; RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig)); if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) - pdev_network->Configuration.ATIMWindow = (0); + pdev_network->Configuration.ATIMWindow = 0; - pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode); + pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode; /* 1. Supported rates */ /* 2. IE */ diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c index 611c9409bb98..d73e9bdc80cc 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c @@ -605,7 +605,9 @@ static void issue_probersp(struct adapter *padapter, unsigned char *da) dump_mgntframe(padapter, pmgntframe); } -static int issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da, bool wait_ack) +static int issue_probereq(struct adapter *padapter, + struct ndis_802_11_ssid *pssid, u8 *da, + bool wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -707,7 +709,7 @@ static int issue_probereq_ex(struct adapter *padapter, unsigned long start = jiffies; do { - ret = issue_probereq(padapter, pssid, da, wait_ms > 0 ? true : false); + ret = issue_probereq(padapter, pssid, da, wait_ms > 0); i++; @@ -1196,7 +1198,8 @@ exit: } /* when wait_ack is true, this function should be called at process context */ -static int _issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int wait_ack) +static int _issue_nulldata(struct adapter *padapter, unsigned char *da, + unsigned int power_mode, bool wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -1269,7 +1272,8 @@ exit: /* when wait_ms > 0 , this function should be called at process context */ /* da == NULL for station mode */ -int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms) +int issue_nulldata(struct adapter *padapter, unsigned char *da, + unsigned int power_mode, int try_cnt, int wait_ms) { int ret; int i = 0; @@ -1283,7 +1287,7 @@ int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int pow da = pnetwork->MacAddress; do { - ret = _issue_nulldata(padapter, da, power_mode, wait_ms > 0 ? true : false); + ret = _issue_nulldata(padapter, da, power_mode, wait_ms > 0); i++; @@ -1316,7 +1320,8 @@ exit: } /* when wait_ack is true, this function should be called at process context */ -static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int wait_ack) +static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da, + u16 tid, bool wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -1396,7 +1401,8 @@ exit: /* when wait_ms > 0 , this function should be called at process context */ /* da == NULL for station mode */ -int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int try_cnt, int wait_ms) +int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, + u16 tid, int try_cnt, int wait_ms) { int ret; int i = 0; @@ -1410,7 +1416,7 @@ int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int da = pnetwork->MacAddress; do { - ret = _issue_qos_nulldata(padapter, da, tid, wait_ms > 0 ? true : false); + ret = _issue_qos_nulldata(padapter, da, tid, wait_ms > 0); i++; @@ -1442,7 +1448,8 @@ exit: return ret; } -static int _issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason, u8 wait_ack) +static int _issue_deauth(struct adapter *padapter, unsigned char *da, + unsigned short reason, bool wait_ack) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; @@ -1502,7 +1509,8 @@ exit: return ret; } -int issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason) +int issue_deauth(struct adapter *padapter, unsigned char *da, + unsigned short reason) { DBG_88E("%s to %pM\n", __func__, da); return _issue_deauth(padapter, da, reason, false); @@ -1517,7 +1525,7 @@ static int issue_deauth_ex(struct adapter *padapter, u8 *da, unsigned long start = jiffies; do { - ret = _issue_deauth(padapter, da, reason, wait_ms > 0 ? true : false); + ret = _issue_deauth(padapter, da, reason, wait_ms > 0); i++; @@ -3413,7 +3421,7 @@ static unsigned int OnAssocRsp(struct adapter *padapter, /* following are moved to join event callback function */ /* to handle HT, WMM, rate adaptive, update MAC reg */ /* for not to handle the synchronous IO in the tasklet */ - for (i = (6 + WLAN_HDR_A3_LEN); i < pkt_len;) { + for (i = 6 + WLAN_HDR_A3_LEN; i < pkt_len;) { pIE = (struct ndis_802_11_var_ie *)(pframe + i); switch (pIE->ElementID) { @@ -3757,7 +3765,8 @@ static unsigned int on_action_public_vendor(struct recv_frame *precv_frame) return ret; } -static unsigned int on_action_public_default(struct recv_frame *precv_frame, u8 action) +static unsigned int on_action_public_default(struct recv_frame *precv_frame, + u8 action) { unsigned int ret = _FAIL; u8 *pframe = precv_frame->pkt->data; @@ -3972,9 +3981,10 @@ static int has_channel(struct rt_channel_info *channel_set, return 0; } -static void init_channel_list(struct adapter *padapter, struct rt_channel_info *channel_set, - u8 chanset_size, - struct p2p_channels *channel_list) +static void init_channel_list(struct adapter *padapter, + struct rt_channel_info *channel_set, + u8 chanset_size, + struct p2p_channels *channel_list) { struct p2p_oper_class_map op_class[] = { { IEEE80211G, 81, 1, 13, 1, BW20 }, @@ -3999,7 +4009,7 @@ static void init_channel_list(struct adapter *padapter, struct rt_channel_info * continue; if ((0 == (padapter->registrypriv.cbw40_enable & BIT(1))) && - ((BW40MINUS == o->bw) || (BW40PLUS == o->bw))) + ((o->bw == BW40MINUS) || (o->bw == BW40PLUS))) continue; if (reg == NULL) { @@ -4015,7 +4025,8 @@ static void init_channel_list(struct adapter *padapter, struct rt_channel_info * channel_list->reg_classes = cla; } -static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, struct rt_channel_info *channel_set) +static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, + struct rt_channel_info *channel_set) { u8 index, chanset_size = 0; u8 b2_4GBand = false; @@ -4030,7 +4041,7 @@ static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, struct rt_c if (padapter->registrypriv.wireless_mode & WIRELESS_11G) { b2_4GBand = true; - if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == ChannelPlan) + if (ChannelPlan == RT_CHANNEL_DOMAIN_REALTEK_DEFINE) Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G; else Index2G = RTW_ChannelPlanMap[ChannelPlan].Index2G; @@ -4040,14 +4051,14 @@ static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, struct rt_c for (index = 0; index < RTW_ChannelPlan2G[Index2G].Len; index++) { channel_set[chanset_size].ChannelNum = RTW_ChannelPlan2G[Index2G].Channel[index]; - if ((RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN == ChannelPlan) ||/* Channel 1~11 is active, and 12~14 is passive */ - (RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G == ChannelPlan)) { + if ((ChannelPlan == RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN) ||/* Channel 1~11 is active, and 12~14 is passive */ + (ChannelPlan == RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G)) { if (channel_set[chanset_size].ChannelNum >= 1 && channel_set[chanset_size].ChannelNum <= 11) channel_set[chanset_size].ScanType = SCAN_ACTIVE; else if ((channel_set[chanset_size].ChannelNum >= 12 && channel_set[chanset_size].ChannelNum <= 14)) channel_set[chanset_size].ScanType = SCAN_PASSIVE; - } else if (RT_CHANNEL_DOMAIN_WORLD_WIDE_13 == ChannelPlan || - RT_CHANNEL_DOMAIN_2G_WORLD == Index2G) {/* channel 12~13, passive scan */ + } else if (ChannelPlan == RT_CHANNEL_DOMAIN_WORLD_WIDE_13 || + Index2G == RT_CHANNEL_DOMAIN_2G_WORLD) {/* channel 12~13, passive scan */ if (channel_set[chanset_size].ChannelNum <= 11) channel_set[chanset_size].ScanType = SCAN_ACTIVE; else @@ -4105,7 +4116,9 @@ void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext) } } -static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, struct recv_frame *precv_frame) +static void _mgt_dispatcher(struct adapter *padapter, + struct mlme_handler *ptable, + struct recv_frame *precv_frame) { u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; u8 *pframe = precv_frame->pkt->data; @@ -4351,7 +4364,8 @@ void report_join_res(struct adapter *padapter, int res) rtw_enqueue_cmd(pcmdpriv, pcmd_obj); } -void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason) +void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, + unsigned short reason) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; @@ -4406,7 +4420,8 @@ void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsi rtw_enqueue_cmd(pcmdpriv, pcmd_obj); } -void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int cam_idx) +void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, + int cam_idx) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; @@ -4767,7 +4782,7 @@ void linked_status_chk(struct adapter *padapter) if (pmlmeinfo->FW_sta_info[i].status == 1) { psta = pmlmeinfo->FW_sta_info[i].psta; - if (NULL == psta) + if (psta == NULL) continue; if (pmlmeinfo->FW_sta_info[i].rx_pkt == sta_rx_pkts(psta)) { if (pmlmeinfo->FW_sta_info[i].retry < 3) { @@ -4788,9 +4803,10 @@ void linked_status_chk(struct adapter *padapter) } } -void survey_timer_hdl(unsigned long data) +void survey_timer_hdl(struct timer_list *t) { - struct adapter *padapter = (struct adapter *)data; + struct adapter *padapter = from_timer(padapter, t, + mlmeextpriv.survey_timer); struct cmd_obj *ph2c; struct sitesurvey_parm *psurveyPara; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; @@ -4828,9 +4844,10 @@ exit_survey_timer_hdl: return; } -void link_timer_hdl(unsigned long data) +void link_timer_hdl(struct timer_list *t) { - struct adapter *padapter = (struct adapter *)data; + struct adapter *padapter = from_timer(padapter, t, + mlmeextpriv.link_timer); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); @@ -4864,9 +4881,9 @@ void link_timer_hdl(unsigned long data) } } -void addba_timer_hdl(unsigned long data) +void addba_timer_hdl(struct timer_list *t) { - struct sta_info *psta = (struct sta_info *)data; + struct sta_info *psta = from_timer(psta, t, addba_retry_timer); struct ht_priv *phtpriv; if (!psta) @@ -5125,8 +5142,10 @@ u8 disconnect_hdl(struct adapter *padapter, unsigned char *pbuf) return H2C_SUCCESS; } -static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_channel *out, - u32 out_num, struct rtw_ieee80211_channel *in, u32 in_num) +static int rtw_scan_ch_decision(struct adapter *padapter, + struct rtw_ieee80211_channel *out, + u32 out_num, + struct rtw_ieee80211_channel *in, u32 in_num) { int i, j; int set_idx; diff --git a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c index f86c9cebf09a..ac27f9a023bc 100644 --- a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c +++ b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c @@ -37,7 +37,7 @@ static int rtw_hw_suspend(struct adapter *padapter) /* system suspend */ LeaveAllPowerSaveMode(padapter); - DBG_88E("==> rtw_hw_suspend\n"); + DBG_88E("==> %s\n", __func__); mutex_lock(&pwrpriv->mutex_lock); pwrpriv->bips_processing = true; /* s1. */ @@ -89,7 +89,7 @@ static int rtw_hw_resume(struct adapter *padapter) /* system resume */ - DBG_88E("==> rtw_hw_resume\n"); + DBG_88E("==> %s\n", __func__); mutex_lock(&pwrpriv->mutex_lock); pwrpriv->bips_processing = true; rtw_reset_drv_sw(padapter); @@ -146,7 +146,7 @@ void ips_enter(struct adapter *padapter) pwrpriv->ips_mode = pwrpriv->ips_mode_req; pwrpriv->ips_enter_cnts++; - DBG_88E("==>ips_enter cnts:%d\n", pwrpriv->ips_enter_cnts); + DBG_88E("==>%s:%d\n", __func__, pwrpriv->ips_enter_cnts); if (rf_off == pwrpriv->change_rfpwrstate) { pwrpriv->bpower_saving = true; DBG_88E_LEVEL(_drv_info_, "nolinked power save enter\n"); @@ -177,7 +177,7 @@ int ips_leave(struct adapter *padapter) pwrpriv->bips_processing = true; pwrpriv->change_rfpwrstate = rf_on; pwrpriv->ips_leave_cnts++; - DBG_88E("==>ips_leave cnts:%d\n", pwrpriv->ips_leave_cnts); + DBG_88E("==>%s:%d\n", __func__, pwrpriv->ips_leave_cnts); result = rtw_ips_pwr_up(padapter); if (result == _SUCCESS) @@ -198,7 +198,7 @@ int ips_leave(struct adapter *padapter) } } - DBG_88E("==> ips_leave.....LED(0x%08x)...\n", usb_read32(padapter, 0x4c)); + DBG_88E("==> %s.....LED(0x%08x)...\n", __func__, usb_read32(padapter, 0x4c)); pwrpriv->bips_processing = false; pwrpriv->bkeepfwalive = false; @@ -276,9 +276,11 @@ exit: pwrpriv->ps_processing = false; } -static void pwr_state_check_handler(unsigned long data) +static void pwr_state_check_handler(struct timer_list *t) { - struct adapter *padapter = (struct adapter *)data; + struct adapter *padapter = + from_timer(padapter, t, + pwrctrlpriv.pwr_state_check_timer); rtw_ps_cmd(padapter); } @@ -332,7 +334,7 @@ void rtw_set_rpwm(struct adapter *padapter, u8 pslv) rpwm = pslv | pwrpriv->tog; RT_TRACE(_module_rtl871x_pwrctrl_c_, _drv_notice_, - ("rtw_set_rpwm: rpwm=0x%02x cpwm=0x%02x\n", rpwm, pwrpriv->cpwm)); + ("%s: rpwm=0x%02x cpwm=0x%02x\n", __func__, rpwm, pwrpriv->cpwm)); pwrpriv->rpwm = pslv; @@ -525,7 +527,7 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter) pwrctrlpriv->power_mgnt = PS_MODE_ACTIVE; else pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */ - pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false; + pwrctrlpriv->bLeisurePs = (pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE) ? true : false; pwrctrlpriv->bFwCurrentInPSMode = false; @@ -540,9 +542,8 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter) pwrctrlpriv->btcoex_rfon = false; - setup_timer(&pwrctrlpriv->pwr_state_check_timer, - pwr_state_check_handler, - (unsigned long)padapter); + timer_setup(&pwrctrlpriv->pwr_state_check_timer, + pwr_state_check_handler, 0); } /* @@ -569,7 +570,7 @@ int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *cal DBG_88E("%s wait ps_processing...\n", __func__); while (pwrpriv->ps_processing && jiffies_to_msecs(jiffies - start) <= 3000) - usleep_range(1000, 3000); + udelay(1500); if (pwrpriv->ps_processing) DBG_88E("%s wait ps_processing timeout\n", __func__); else @@ -595,7 +596,7 @@ int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *cal } if (rf_off == pwrpriv->rf_pwrstate) { DBG_88E("%s call ips_leave....\n", __func__); - if (_FAIL == ips_leave(padapter)) { + if (ips_leave(padapter) == _FAIL) { DBG_88E("======> ips_leave fail.............\n"); ret = _FAIL; goto exit; @@ -628,12 +629,12 @@ int rtw_pm_set_lps(struct adapter *padapter, u8 mode) if (mode < PS_MODE_NUM) { if (pwrctrlpriv->power_mgnt != mode) { - if (PS_MODE_ACTIVE == mode) + if (mode == PS_MODE_ACTIVE) LeaveAllPowerSaveMode(padapter); else pwrctrlpriv->LpsIdleCount = 2; pwrctrlpriv->power_mgnt = mode; - pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt) ? true : false; + pwrctrlpriv->bLeisurePs = (pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE) ? true : false; } } else { ret = -EINVAL; @@ -653,7 +654,7 @@ int rtw_pm_set_ips(struct adapter *padapter, u8 mode) } else if (mode == IPS_NONE) { rtw_ips_mode_req(pwrctrlpriv, mode); DBG_88E("%s %s\n", __func__, "IPS_NONE"); - if ((padapter->bSurpriseRemoved == 0) && (_FAIL == rtw_pwr_wakeup(padapter))) + if ((padapter->bSurpriseRemoved == 0) && (rtw_pwr_wakeup(padapter) == _FAIL)) return -EFAULT; } else { return -EINVAL; diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c index 3fd5f4102b36..6506a1587df0 100644 --- a/drivers/staging/rtl8188eu/core/rtw_recv.c +++ b/drivers/staging/rtl8188eu/core/rtw_recv.c @@ -39,7 +39,7 @@ static u8 rtw_rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; -static void rtw_signal_stat_timer_hdl(unsigned long data); +static void rtw_signal_stat_timer_hdl(struct timer_list *t); void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv) { @@ -86,9 +86,8 @@ int _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter) } res = rtw_hal_init_recv_priv(padapter); - setup_timer(&precvpriv->signal_stat_timer, - rtw_signal_stat_timer_hdl, - (unsigned long)padapter); + timer_setup(&precvpriv->signal_stat_timer, rtw_signal_stat_timer_hdl, + 0); precvpriv->signal_stat_sampling_interval = 1000; /* ms */ @@ -193,7 +192,7 @@ void rtw_free_recvframe_queue(struct __queue *pframequeue, struct __queue *pfre plist = phead->next; while (phead != plist) { - hdr = container_of(plist, struct recv_frame, list); + hdr = list_entry(plist, struct recv_frame, list); plist = plist->next; @@ -237,32 +236,40 @@ static int recvframe_chkmic(struct adapter *adapter, stainfo = rtw_get_stainfo(&adapter->stapriv, &prxattrib->ta[0]); if (prxattrib->encrypt == _TKIP_) { - RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n recvframe_chkmic:prxattrib->encrypt==_TKIP_\n")); - RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n recvframe_chkmic:da=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n", - prxattrib->ra[0], prxattrib->ra[1], prxattrib->ra[2], prxattrib->ra[3], prxattrib->ra[4], prxattrib->ra[5])); + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, + ("\n %s: prxattrib->encrypt==_TKIP_\n", __func__)); + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, + ("\n %s: da=0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x\n", + __func__, prxattrib->ra[0], prxattrib->ra[1], prxattrib->ra[2], + prxattrib->ra[3], prxattrib->ra[4], prxattrib->ra[5])); /* calculate mic code */ if (stainfo != NULL) { if (IS_MCAST(prxattrib->ra)) { if (!psecuritypriv) { res = _FAIL; - RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("\n recvframe_chkmic:didn't install group key!!!!!!!!!!\n")); - DBG_88E("\n recvframe_chkmic:didn't install group key!!!!!!!!!!\n"); + RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, + ("\n %s: didn't install group key!!!!!!!!!!\n", __func__)); + DBG_88E("\n %s: didn't install group key!!!!!!!!!!\n", __func__); goto exit; } mickey = &psecuritypriv->dot118021XGrprxmickey[prxattrib->key_index].skey[0]; - RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n recvframe_chkmic: bcmc key\n")); + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, + ("\n %s: bcmc key\n", __func__)); } else { mickey = &stainfo->dot11tkiprxmickey.skey[0]; - RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("\n recvframe_chkmic: unicast key\n")); + RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, + ("\n %s: unicast key\n", __func__)); } /* icv_len included the mic code */ - datalen = precvframe->pkt->len-prxattrib->hdrlen - 8; + datalen = precvframe->pkt->len-prxattrib->hdrlen - + prxattrib->iv_len-prxattrib->icv_len-8; pframe = precvframe->pkt->data; - payload = pframe+prxattrib->hdrlen; + payload = pframe+prxattrib->hdrlen+prxattrib->iv_len; + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n prxattrib->iv_len=%d prxattrib->icv_len=%d\n", prxattrib->iv_len, prxattrib->icv_len)); rtw_seccalctkipmic(mickey, pframe, payload, datalen, &miccode[0], (unsigned char)prxattrib->priority); /* care the length of the data */ @@ -273,8 +280,8 @@ static int recvframe_chkmic(struct adapter *adapter, for (i = 0; i < 8; i++) { if (miccode[i] != *(pframemic+i)) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, - ("recvframe_chkmic:miccode[%d](%02x)!=*(pframemic+%d)(%02x) ", - i, miccode[i], i, *(pframemic+i))); + ("%s: miccode[%d](%02x)!=*(pframemic+%d)(%02x) ", + __func__, i, miccode[i], i, *(pframemic + i))); bmic_err = true; } } @@ -346,7 +353,8 @@ static int recvframe_chkmic(struct adapter *adapter, } } } else { - RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvframe_chkmic: rtw_get_stainfo==NULL!!!\n")); + RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, + ("%s: rtw_get_stainfo==NULL!!!\n", __func__)); } skb_trim(precvframe->pkt, precvframe->pkt->len - 8); @@ -407,15 +415,9 @@ static struct recv_frame *decryptor(struct adapter *padapter, default: break; } - if (res != _FAIL) { - memmove(precv_frame->pkt->data + precv_frame->attrib.iv_len, precv_frame->pkt->data, precv_frame->attrib.hdrlen); - skb_pull(precv_frame->pkt, precv_frame->attrib.iv_len); - skb_trim(precv_frame->pkt, precv_frame->pkt->len - precv_frame->attrib.icv_len); - } } else if (prxattrib->bdecrypted == 1 && prxattrib->encrypt > 0 && - (psecuritypriv->busetkipkey == 1 || prxattrib->encrypt != _TKIP_)) { - psecuritypriv->hw_decrypted = true; - } + (psecuritypriv->busetkipkey == 1 || prxattrib->encrypt != _TKIP_)) + psecuritypriv->hw_decrypted = true; if (res == _FAIL) { rtw_free_recvframe(return_packet, &padapter->recvpriv.free_recv_queue); @@ -456,7 +458,7 @@ static struct recv_frame *portctrl(struct adapter *adapter, if (auth_alg == 2) { /* get ether_type */ - ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE; + ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE + pfhdr->attrib.iv_len; memcpy(&be_tmp, ptr, 2); ether_type = ntohs(be_tmp); @@ -943,7 +945,7 @@ static int validate_recv_ctrl_frame(struct adapter *padapter, xmitframe_plist = xmitframe_phead->next; if (xmitframe_phead != xmitframe_plist) { - pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); + pxmitframe = list_entry(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = xmitframe_plist->next; @@ -1011,7 +1013,8 @@ static int validate_recv_mgnt_frame(struct adapter *padapter, precv_frame = recvframe_chk_defrag(padapter, precv_frame); if (precv_frame == NULL) { - RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("%s: fragment packet\n", __func__)); + RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, + ("%s: fragment packet\n", __func__)); return _SUCCESS; } @@ -1138,8 +1141,6 @@ static int validate_recv_data_frame(struct adapter *adapter, } if (pattrib->privacy) { - struct sk_buff *skb = precv_frame->pkt; - RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("validate_recv_data_frame:pattrib->privacy=%x\n", pattrib->privacy)); RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n ^^^^^^^^^^^IS_MCAST(pattrib->ra(0x%02x))=%d^^^^^^^^^^^^^^^6\n", pattrib->ra[0], IS_MCAST(pattrib->ra))); @@ -1148,13 +1149,6 @@ static int validate_recv_data_frame(struct adapter *adapter, RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("\n pattrib->encrypt=%d\n", pattrib->encrypt)); SET_ICE_IV_LEN(pattrib->iv_len, pattrib->icv_len, pattrib->encrypt); - - if (pattrib->bdecrypted == 1 && pattrib->encrypt > 0) { - memmove(skb->data + pattrib->iv_len, - skb->data, pattrib->hdrlen); - skb_pull(skb, pattrib->iv_len); - skb_trim(skb, skb->len - pattrib->icv_len); - } } else { pattrib->encrypt = 0; pattrib->iv_len = 0; @@ -1274,7 +1268,6 @@ static int validate_recv_frame(struct adapter *adapter, * Hence forward the frame to the monitor anyway to preserve the order * in which frames were received. */ - rtl88eu_mon_recv_hook(adapter->pmondev, precv_frame); exit: @@ -1296,8 +1289,11 @@ static int wlanhdr_to_ethhdr(struct recv_frame *precvframe) u8 *ptr = precvframe->pkt->data; struct rx_pkt_attrib *pattrib = &precvframe->attrib; - psnap = (struct ieee80211_snap_hdr *)(ptr+pattrib->hdrlen); - psnap_type = ptr+pattrib->hdrlen + SNAP_SIZE; + if (pattrib->encrypt) + skb_trim(precvframe->pkt, precvframe->pkt->len - pattrib->icv_len); + + psnap = (struct ieee80211_snap_hdr *)(ptr+pattrib->hdrlen + pattrib->iv_len); + psnap_type = ptr+pattrib->hdrlen + pattrib->iv_len+SNAP_SIZE; /* convert hdr + possible LLC headers into Ethernet header */ if ((!memcmp(psnap, rtw_rfc1042_header, SNAP_SIZE) && (!memcmp(psnap_type, SNAP_ETH_TYPE_IPX, 2) == false) && @@ -1310,9 +1306,12 @@ static int wlanhdr_to_ethhdr(struct recv_frame *precvframe) bsnaphdr = false; } - rmv_len = pattrib->hdrlen + (bsnaphdr ? SNAP_SIZE : 0); + rmv_len = pattrib->hdrlen + pattrib->iv_len + (bsnaphdr ? SNAP_SIZE : 0); len = precvframe->pkt->len - rmv_len; + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, + ("\n===pattrib->hdrlen: %x, pattrib->iv_len:%x===\n\n", pattrib->hdrlen, pattrib->iv_len)); + memcpy(&be_tmp, ptr+rmv_len, 2); eth_type = ntohs(be_tmp); /* pattrib->ether_type */ pattrib->eth_type = eth_type; @@ -1337,6 +1336,7 @@ static struct recv_frame *recvframe_defrag(struct adapter *adapter, struct __queue *defrag_q) { struct list_head *plist, *phead; + u8 wlanhdr_offset; u8 curfragnum; struct recv_frame *pfhdr, *pnfhdr; struct recv_frame *prframe, *pnextrframe; @@ -1347,7 +1347,7 @@ static struct recv_frame *recvframe_defrag(struct adapter *adapter, phead = get_list_head(defrag_q); plist = phead->next; - pfhdr = container_of(plist, struct recv_frame, list); + pfhdr = list_entry(plist, struct recv_frame, list); prframe = pfhdr; list_del_init(&(prframe->list)); @@ -1367,7 +1367,7 @@ static struct recv_frame *recvframe_defrag(struct adapter *adapter, plist = plist->next; while (phead != plist) { - pnfhdr = container_of(plist, struct recv_frame, list); + pnfhdr = list_entry(plist, struct recv_frame, list); pnextrframe = pnfhdr; /* check the fragment sequence (2nd ~n fragment frame) */ @@ -1385,7 +1385,12 @@ static struct recv_frame *recvframe_defrag(struct adapter *adapter, /* copy the 2nd~n fragment frame's payload to the first fragment */ /* get the 2nd~last fragment frame's payload */ - skb_pull(pnextrframe->pkt, pnfhdr->attrib.hdrlen); + wlanhdr_offset = pnfhdr->attrib.hdrlen + pnfhdr->attrib.iv_len; + + skb_pull(pnextrframe->pkt, wlanhdr_offset); + + /* append to first fragment frame's tail (if privacy frame, pull the ICV) */ + skb_trim(prframe->pkt, prframe->pkt->len - pfhdr->attrib.icv_len); /* memcpy */ memcpy(skb_tail_pointer(pfhdr->pkt), pnfhdr->pkt->data, @@ -1393,7 +1398,7 @@ static struct recv_frame *recvframe_defrag(struct adapter *adapter, skb_put(prframe->pkt, pnfhdr->pkt->len); - pfhdr->attrib.icv_len = 0; + pfhdr->attrib.icv_len = pnfhdr->attrib.icv_len; plist = plist->next; } @@ -1519,6 +1524,11 @@ static int amsdu_to_msdu(struct adapter *padapter, struct recv_frame *prframe) nr_subframes = 0; pattrib = &prframe->attrib; + skb_pull(prframe->pkt, prframe->attrib.hdrlen); + + if (prframe->attrib.iv_len > 0) + skb_pull(prframe->pkt, prframe->attrib.iv_len); + a_len = prframe->pkt->len; pdata = prframe->pkt->data; @@ -1655,7 +1665,7 @@ static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, plist = phead->next; while (phead != plist) { - hdr = container_of(plist, struct recv_frame, list); + hdr = list_entry(plist, struct recv_frame, list); pnextattrib = &hdr->attrib; if (SN_LESS(pnextattrib->seq_num, pattrib->seq_num)) @@ -1690,7 +1700,7 @@ static int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reor if (list_empty(phead)) return true; - prhdr = container_of(plist, struct recv_frame, list); + prhdr = list_entry(plist, struct recv_frame, list); pattrib = &prhdr->attrib; preorder_ctrl->indicate_seq = pattrib->seq_num; } @@ -1698,7 +1708,7 @@ static int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reor /* Prepare indication list and indication. */ /* Check if there is any packet need indicate. */ while (!list_empty(phead)) { - prhdr = container_of(plist, struct recv_frame, list); + prhdr = list_entry(plist, struct recv_frame, list); prframe = prhdr; pattrib = &prframe->attrib; @@ -1829,9 +1839,10 @@ _err_exit: return _FAIL; } -void rtw_reordering_ctrl_timeout_handler(unsigned long data) +void rtw_reordering_ctrl_timeout_handler(struct timer_list *t) { - struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)data; + struct recv_reorder_ctrl *preorder_ctrl = from_timer(preorder_ctrl, t, + reordering_ctrl_timer); struct adapter *padapter = preorder_ctrl->padapter; struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue; @@ -1887,6 +1898,24 @@ static int process_recv_indicatepkts(struct adapter *padapter, return retval; } +static int recv_func_prehandle(struct adapter *padapter, + struct recv_frame *rframe) +{ + int ret = _SUCCESS; + struct __queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue; + + /* check the frame crtl field and decache */ + ret = validate_recv_frame(padapter, rframe); + if (ret != _SUCCESS) { + RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("recv_func: validate_recv_frame fail! drop pkt\n")); + rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */ + goto exit; + } + +exit: + return ret; +} + static int recv_func_posthandle(struct adapter *padapter, struct recv_frame *prframe) { @@ -1939,7 +1968,6 @@ static int recv_func(struct adapter *padapter, struct recv_frame *rframe) struct rx_pkt_attrib *prxattrib = &rframe->attrib; struct security_priv *psecuritypriv = &padapter->securitypriv; struct mlme_priv *mlmepriv = &padapter->mlmepriv; - struct __queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue; /* check if need to handle uc_swdec_pending_queue*/ if (check_fwstate(mlmepriv, WIFI_STATION_STATE) && psecuritypriv->busetkipkey) { @@ -1951,12 +1979,9 @@ static int recv_func(struct adapter *padapter, struct recv_frame *rframe) } } - /* check the frame crtl field and decache */ - ret = validate_recv_frame(padapter, rframe); - if (ret != _SUCCESS) { - RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("recv_func: validate_recv_frame fail! drop pkt\n")); - rtw_free_recvframe(rframe, pfree_recv_queue);/* free this recv_frame */ - } else { + ret = recv_func_prehandle(padapter, rframe); + + if (ret == _SUCCESS) { /* check if need to enqueue into uc_swdec_pending_queue*/ if (check_fwstate(mlmepriv, WIFI_STATION_STATE) && !IS_MCAST(prxattrib->ra) && prxattrib->encrypt > 0 && @@ -1999,9 +2024,10 @@ _recv_entry_drop: return ret; } -static void rtw_signal_stat_timer_hdl(unsigned long data) +static void rtw_signal_stat_timer_hdl(struct timer_list *t) { - struct adapter *adapter = (struct adapter *)data; + struct adapter *adapter = + from_timer(adapter, t, recvpriv.signal_stat_timer); struct recv_priv *recvpriv = &adapter->recvpriv; u32 tmp_s, tmp_q; diff --git a/drivers/staging/rtl8188eu/core/rtw_security.c b/drivers/staging/rtl8188eu/core/rtw_security.c index b283a4903369..5b1ef229df2a 100644 --- a/drivers/staging/rtl8188eu/core/rtw_security.c +++ b/drivers/staging/rtl8188eu/core/rtw_security.c @@ -1690,4 +1690,4 @@ do { \ d##1 = TE0(s##1) ^ TE1(s##2) ^ TE2(s##3) ^ TE3(s##0) ^ rk[4 * i + 1]; \ d##2 = TE0(s##2) ^ TE1(s##3) ^ TE2(s##0) ^ TE3(s##1) ^ rk[4 * i + 2]; \ d##3 = TE0(s##3) ^ TE1(s##0) ^ TE2(s##1) ^ TE3(s##2) ^ rk[4 * i + 3]; \ -} while (0); +} while (0) diff --git a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c index 22cf362b8528..2fd2a9e2416e 100644 --- a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c +++ b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c @@ -239,8 +239,8 @@ struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) } /* init for DM */ - psta->rssi_stat.UndecoratedSmoothedPWDB = (-1); - psta->rssi_stat.UndecoratedSmoothedCCK = (-1); + psta->rssi_stat.UndecoratedSmoothedPWDB = -1; + psta->rssi_stat.UndecoratedSmoothedCCK = -1; /* init for the sequence number of received management frame */ psta->RxMgmtFrameSeqNum = 0xffff; diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c index be2f46eb9f78..e8d9858f2942 100644 --- a/drivers/staging/rtl8188eu/core/rtw_xmit.c +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -93,7 +93,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxframe = (struct xmit_frame *)pxmitpriv->pxmit_frame_buf; for (i = 0; i < NR_XMITFRAME; i++) { - INIT_LIST_HEAD(&(pxframe->list)); + INIT_LIST_HEAD(&pxframe->list); pxframe->padapter = padapter; pxframe->frame_tag = NULL_FRAMETAG; @@ -103,7 +103,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxframe->buf_addr = NULL; pxframe->pxmitbuf = NULL; - list_add_tail(&(pxframe->list), &(pxmitpriv->free_xmit_queue.queue)); + list_add_tail(&pxframe->list, &pxmitpriv->free_xmit_queue.queue); pxframe++; } @@ -148,7 +148,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitbuf->flags = XMIT_VO_QUEUE; - list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmitbuf_queue.queue)); + list_add_tail(&pxmitbuf->list, &pxmitpriv->free_xmitbuf_queue.queue); pxmitbuf++; } @@ -182,7 +182,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) goto exit; } - list_add_tail(&pxmitbuf->list, &(pxmitpriv->free_xmit_extbuf_queue.queue)); + list_add_tail(&pxmitbuf->list, &pxmitpriv->free_xmit_extbuf_queue.queue); pxmitbuf++; } @@ -258,8 +258,8 @@ static void update_attrib_vcs_info(struct adapter *padapter, struct xmit_frame * u32 sz; struct pkt_attrib *pattrib = &pxmitframe->attrib; struct sta_info *psta = pattrib->psta; - struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; if (pattrib->nr_frags != 1) sz = padapter->xmitpriv.frag_len; @@ -697,7 +697,7 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("curfragnum=%d length=%d pattrib->icv_len=%d", curfragnum, length, pattrib->icv_len)); } } - rtw_secgetmic(&micdata, &(mic[0])); + rtw_secgetmic(&micdata, &mic[0]); RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: before add mic code!!!\n")); RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: pattrib->last_txcmdsz=%d!!!\n", pattrib->last_txcmdsz)); RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: mic[0]=0x%.2x , mic[1]=0x%.2x , mic[2]= 0x%.2x, mic[3]=0x%.2x\n\ @@ -705,18 +705,18 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr mic[0], mic[1], mic[2], mic[3], mic[4], mic[5], mic[6], mic[7])); /* add mic code and add the mic code length in last_txcmdsz */ - memcpy(payload, &(mic[0]), 8); + memcpy(payload, &mic[0], 8); pattrib->last_txcmdsz += 8; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("\n ======== last pkt ========\n")); payload = payload-pattrib->last_txcmdsz+8; for (curfragnum = 0; curfragnum < pattrib->last_txcmdsz; curfragnum = curfragnum+8) - RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, - (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", - *(payload+curfragnum), *(payload+curfragnum+1), - *(payload+curfragnum+2), *(payload+curfragnum+3), - *(payload+curfragnum+4), *(payload+curfragnum+5), - *(payload+curfragnum+6), *(payload+curfragnum+7))); + RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, + (" %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x, %.2x ", + *(payload + curfragnum), *(payload + curfragnum + 1), + *(payload + curfragnum + 2), *(payload + curfragnum + 3), + *(payload + curfragnum + 4), *(payload + curfragnum + 5), + *(payload + curfragnum + 6), *(payload + curfragnum + 7))); } else { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("xmitframe_addmic: rtw_get_stainfo==NULL!!!\n")); } @@ -786,7 +786,7 @@ s32 rtw_make_wlanhdr(struct adapter *padapter, u8 *hdr, struct pkt_attrib *pattr SetFrameSubType(fctrl, pattrib->subtype); if (pattrib->subtype & WIFI_DATA_TYPE) { - if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true)) { + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { /* to_ds = 1, fr_ds = 0; */ /* Data transfer to AP */ SetToDs(fctrl); @@ -899,20 +899,20 @@ s32 rtw_txframes_sta_ac_pending(struct adapter *padapter, struct pkt_attrib *pat switch (priority) { case 1: case 2: - ptxservq = &(psta->sta_xmitpriv.bk_q); + ptxservq = &psta->sta_xmitpriv.bk_q; break; case 4: case 5: - ptxservq = &(psta->sta_xmitpriv.vi_q); + ptxservq = &psta->sta_xmitpriv.vi_q; break; case 6: case 7: - ptxservq = &(psta->sta_xmitpriv.vo_q); + ptxservq = &psta->sta_xmitpriv.vo_q; break; case 0: case 3: default: - ptxservq = &(psta->sta_xmitpriv.be_q); + ptxservq = &psta->sta_xmitpriv.be_q; break; } @@ -1229,7 +1229,7 @@ s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) list_del_init(&pxmitbuf->list); - list_add_tail(&(pxmitbuf->list), get_list_head(pfree_queue)); + list_add_tail(&pxmitbuf->list, get_list_head(pfree_queue)); pxmitpriv->free_xmit_extbuf_cnt++; spin_unlock_irqrestore(&pfree_queue->lock, irql); @@ -1283,7 +1283,7 @@ s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) list_del_init(&pxmitbuf->list); - list_add_tail(&(pxmitbuf->list), get_list_head(pfree_xmitbuf_queue)); + list_add_tail(&pxmitbuf->list, get_list_head(pfree_xmitbuf_queue)); pxmitpriv->free_xmitbuf_cnt++; spin_unlock_irqrestore(&pfree_xmitbuf_queue->lock, irql); @@ -1395,7 +1395,7 @@ void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pfram struct xmit_frame *pxmitframe; - spin_lock_bh(&(pframequeue->lock)); + spin_lock_bh(&pframequeue->lock); phead = get_list_head(pframequeue); plist = phead->next; @@ -1407,7 +1407,7 @@ void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pfram rtw_free_xmitframe(pxmitpriv, pxmitframe); } - spin_unlock_bh(&(pframequeue->lock)); + spin_unlock_bh(&pframequeue->lock); } @@ -1503,26 +1503,26 @@ struct tx_servq *rtw_get_sta_pending(struct adapter *padapter, struct sta_info * switch (up) { case 1: case 2: - ptxservq = &(psta->sta_xmitpriv.bk_q); + ptxservq = &psta->sta_xmitpriv.bk_q; *(ac) = 3; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BK\n")); break; case 4: case 5: - ptxservq = &(psta->sta_xmitpriv.vi_q); + ptxservq = &psta->sta_xmitpriv.vi_q; *(ac) = 1; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VI\n")); break; case 6: case 7: - ptxservq = &(psta->sta_xmitpriv.vo_q); + ptxservq = &psta->sta_xmitpriv.vo_q; *(ac) = 0; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : VO\n")); break; case 0: case 3: default: - ptxservq = &(psta->sta_xmitpriv.be_q); + ptxservq = &psta->sta_xmitpriv.be_q; *(ac) = 2; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_get_sta_pending : BE\n")); break; @@ -1845,21 +1845,21 @@ void stop_sta_xmit(struct adapter *padapter, struct sta_info *psta) pstapriv->sta_dz_bitmap |= BIT(psta->aid); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vo_q.sta_pending); - list_del_init(&(pstaxmitpriv->vo_q.tx_pending)); + list_del_init(&pstaxmitpriv->vo_q.tx_pending); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->vi_q.sta_pending); - list_del_init(&(pstaxmitpriv->vi_q.tx_pending)); + list_del_init(&pstaxmitpriv->vi_q.tx_pending); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->be_q.sta_pending); - list_del_init(&(pstaxmitpriv->be_q.tx_pending)); + list_del_init(&pstaxmitpriv->be_q.tx_pending); dequeue_xmitframes_to_sleeping_queue(padapter, psta, &pstaxmitpriv->bk_q.sta_pending); - list_del_init(&(pstaxmitpriv->bk_q.tx_pending)); + list_del_init(&pstaxmitpriv->bk_q.tx_pending); /* for BC/MC Frames */ pstaxmitpriv = &psta_bmc->sta_xmitpriv; dequeue_xmitframes_to_sleeping_queue(padapter, psta_bmc, &pstaxmitpriv->be_q.sta_pending); - list_del_init(&(pstaxmitpriv->be_q.tx_pending)); + list_del_init(&pstaxmitpriv->be_q.tx_pending); spin_unlock_bh(&pxmitpriv->lock); } diff --git a/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c b/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c index 81bf4944ef44..bbb981c6bcec 100644 --- a/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c +++ b/drivers/staging/rtl8188eu/hal/Hal8188ERateAdaptive.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*++ Copyright (c) Realtek Semiconductor Corp. All rights reserved. diff --git a/drivers/staging/rtl8188eu/hal/odm.c b/drivers/staging/rtl8188eu/hal/odm.c index ec8aae76bf40..001d6267b56e 100644 --- a/drivers/staging/rtl8188eu/hal/odm.c +++ b/drivers/staging/rtl8188eu/hal/odm.c @@ -382,7 +382,7 @@ void odm_DIG(struct odm_dm_struct *pDM_Odm) } /* add by Neil Chen to avoid PSD is processing */ - if (pDM_Odm->bDMInitialGainEnable == false) { + if (!pDM_Odm->bDMInitialGainEnable) { ODM_RT_TRACE(pDM_Odm, ODM_COMP_DIG, ODM_DBG_LOUD, ("odm_DIG() Return: PSD is Processing\n")); return; } diff --git a/drivers/staging/rtl8188eu/hal/odm_HWConfig.c b/drivers/staging/rtl8188eu/hal/odm_HWConfig.c index 0555e42a3787..5fcbe5639e99 100644 --- a/drivers/staging/rtl8188eu/hal/odm_HWConfig.c +++ b/drivers/staging/rtl8188eu/hal/odm_HWConfig.c @@ -109,7 +109,7 @@ static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm, dm_odm->PhyDbgInfo.NumQryPhyStatusCCK++; /* (1)Hardware does not provide RSSI for CCK */ - /* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */ + /* (2)PWDB, Average PWDB calculated by hardware (for rate adaptive) */ cck_highpwr = dm_odm->bCckHighPower; @@ -223,7 +223,7 @@ static void odm_RxPhyStatus92CSeries_Parsing(struct odm_dm_struct *dm_odm, pPhyInfo->RxSNR[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2); dm_odm->PhyDbgInfo.RxSNRdB[i] = (s32)(pPhyStaRpt->path_rxsnr[i]/2); } - /* (2)PWDB, Average PWDB cacluated by hardware (for rate adaptive) */ + /* (2)PWDB, Average PWDB calculated by hardware (for rate adaptive) */ rx_pwr_all = (((pPhyStaRpt->cck_sig_qual_ofdm_pwdb_all) >> 1) & 0x7f) - 110; PWDB_ALL = odm_QueryRxPwrPercentage(rx_pwr_all); diff --git a/drivers/staging/rtl8188eu/hal/phy.c b/drivers/staging/rtl8188eu/hal/phy.c index 3039bbe44a25..20253b5b6679 100644 --- a/drivers/staging/rtl8188eu/hal/phy.c +++ b/drivers/staging/rtl8188eu/hal/phy.c @@ -820,9 +820,8 @@ static void save_adda_registers(struct adapter *adapt, u32 *addareg, { u32 i; - for (i = 0; i < register_num; i++) { + for (i = 0; i < register_num; i++) backup[i] = phy_query_bb_reg(adapt, addareg[i], bMaskDWord); - } } static void save_mac_registers(struct adapter *adapt, u32 *mac_reg, @@ -830,9 +829,9 @@ static void save_mac_registers(struct adapter *adapt, u32 *mac_reg, { u32 i; - for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++) { + for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++) backup[i] = usb_read8(adapt, mac_reg[i]); - } + backup[i] = usb_read32(adapt, mac_reg[i]); } @@ -850,9 +849,9 @@ static void reload_mac_registers(struct adapter *adapt, { u32 i; - for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++) { + for (i = 0; i < (IQK_MAC_REG_NUM - 1); i++) usb_write8(adapt, mac_reg[i], (u8)backup[i]); - } + usb_write32(adapt, mac_reg[i], backup[i]); } @@ -880,9 +879,9 @@ static void mac_setting_calibration(struct adapter *adapt, u32 *mac_reg, u32 *ba usb_write8(adapt, mac_reg[i], 0x3F); - for (i = 1; i < (IQK_MAC_REG_NUM - 1); i++) { + for (i = 1; i < (IQK_MAC_REG_NUM - 1); i++) usb_write8(adapt, mac_reg[i], (u8)(backup[i]&(~BIT(3)))); - } + usb_write8(adapt, mac_reg[i], (u8)(backup[i]&(~BIT(5)))); } diff --git a/drivers/staging/rtl8188eu/hal/usb_halinit.c b/drivers/staging/rtl8188eu/hal/usb_halinit.c index 674ac5396d00..17967c944946 100644 --- a/drivers/staging/rtl8188eu/hal/usb_halinit.c +++ b/drivers/staging/rtl8188eu/hal/usb_halinit.c @@ -1745,6 +1745,7 @@ void rtw_hal_get_hwreg(struct adapter *Adapter, u8 variable, u8 *val) switch (variable) { case HW_VAR_BASIC_RATE: *((u16 *)(val)) = Adapter->HalData->BasicRateSet; + /* fall through */ case HW_VAR_TXPAUSE: val[0] = usb_read8(Adapter, REG_TXPAUSE); break; diff --git a/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h b/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h index 550ad62e7064..4e5d7fc6de07 100644 --- a/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h +++ b/drivers/staging/rtl8188eu/include/Hal8188EPhyCfg.h @@ -75,7 +75,8 @@ enum rf_radio_path { #define CHANNEL_MAX_NUMBER 14 /* 14 is the max chnl number */ #define MAX_CHNL_GROUP_24G 6 /* ch1~2, ch3~5, ch6~8, *ch9~11, ch12~13, CH 14 - * total three groups */ + * total three groups + */ #define CHANNEL_GROUP_MAX_88E 6 enum wireless_mode { @@ -116,35 +117,45 @@ struct bb_reg_def { /* 0x80c~0x80f [4 bytes] */ u32 rfHSSIPara1; /* wire parameter control1 : */ /* 0x820~0x823,0x828~0x82b, - * 0x830~0x833, 0x838~0x83b [16 bytes] */ + * 0x830~0x833, 0x838~0x83b [16 bytes] + */ u32 rfHSSIPara2; /* wire parameter control2 : */ /* 0x824~0x827,0x82c~0x82f, 0x834~0x837, - * 0x83c~0x83f [16 bytes] */ + * 0x83c~0x83f [16 bytes] + */ u32 rfSwitchControl; /* Tx Rx antenna control : */ /* 0x858~0x85f [16 bytes] */ u32 rfAGCControl1; /* AGC parameter control1 : */ /* 0xc50~0xc53,0xc58~0xc5b, 0xc60~0xc63, - * 0xc68~0xc6b [16 bytes] */ + * 0xc68~0xc6b [16 bytes] + */ u32 rfAGCControl2; /* AGC parameter control2 : */ /* 0xc54~0xc57,0xc5c~0xc5f, 0xc64~0xc67, - * 0xc6c~0xc6f [16 bytes] */ + * 0xc6c~0xc6f [16 bytes] + */ u32 rfRxIQImbalance; /* OFDM Rx IQ imbalance matrix : */ /* 0xc14~0xc17,0xc1c~0xc1f, 0xc24~0xc27, - * 0xc2c~0xc2f [16 bytes] */ + * 0xc2c~0xc2f [16 bytes] + */ u32 rfRxAFE; /* Rx IQ DC ofset and Rx digital filter, - * Rx DC notch filter : */ + * Rx DC notch filter : + */ /* 0xc10~0xc13,0xc18~0xc1b, 0xc20~0xc23, - * 0xc28~0xc2b [16 bytes] */ + * 0xc28~0xc2b [16 bytes] + */ u32 rfTxIQImbalance; /* OFDM Tx IQ imbalance matrix */ /* 0xc80~0xc83,0xc88~0xc8b, 0xc90~0xc93, - * 0xc98~0xc9b [16 bytes] */ + * 0xc98~0xc9b [16 bytes] + */ u32 rfTxAFE; /* Tx IQ DC Offset and Tx DFIR type */ /* 0xc84~0xc87,0xc8c~0xc8f, 0xc94~0xc97, - * 0xc9c~0xc9f [16 bytes] */ + * 0xc9c~0xc9f [16 bytes] + */ u32 rfLSSIReadBack; /* LSSI RF readback data SI mode */ /* 0x8a0~0x8af [16 bytes] */ u32 rfLSSIReadBackPi; /* LSSI RF readback data PI mode 0x8b8-8bc for - * Path A and B */ + * Path A and B + */ }; /*------------------------------Define structure----------------------------*/ diff --git a/drivers/staging/rtl8188eu/include/Hal8188EPhyReg.h b/drivers/staging/rtl8188eu/include/Hal8188EPhyReg.h index 04159a9f90d3..8cbba85e1587 100644 --- a/drivers/staging/rtl8188eu/include/Hal8188EPhyReg.h +++ b/drivers/staging/rtl8188eu/include/Hal8188EPhyReg.h @@ -136,7 +136,8 @@ #define rCCK0_CCA 0xa08 /* AGC default value, saturation level Antenna Diversity, RX AGC, LNA Threshold, - * RX LNA Threshold useless now. Not the same as 90 series */ + * RX LNA Threshold useless now. Not the same as 90 series + */ #define rCCK0_RxAGC1 0xa0c #define rCCK0_RxAGC2 0xa10 /* AGC & DAGC */ diff --git a/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h b/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h index 21996a1173ef..96ebda93b4ee 100644 --- a/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h +++ b/drivers/staging/rtl8188eu/include/Hal8188ERateAdaptive.h @@ -1,19 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INC_RA_H #define __INC_RA_H -/*++ -Copyright (c) Realtek Semiconductor Corp. All rights reserved. - -Module Name: - RateAdaptive.h - -Abstract: - Prototype of RA and related data structure. - -Major Change History: - When Who What - ---------- --------------- ------------------------------- - 2011-08-12 Page Create. ---*/ +/* + * Copyright (c) Realtek Semiconductor Corp. All rights reserved. + * + * Module Name: + * RateAdaptive.h + * + * Abstract: + * Prototype of RA and related data structure. + * + * Major Change History: + * When Who What + * ---------- --------------- ------------------------------- + * 2011-08-12 Page Create. + */ /* Rate adaptive define */ #define PERENTRY 23 diff --git a/drivers/staging/rtl8188eu/include/basic_types.h b/drivers/staging/rtl8188eu/include/basic_types.h index 69c4d49f43ab..73cc86705cf3 100644 --- a/drivers/staging/rtl8188eu/include/basic_types.h +++ b/drivers/staging/rtl8188eu/include/basic_types.h @@ -1,4 +1,4 @@ -/****************************************************************************** + /****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * @@ -20,14 +20,15 @@ /* port from fw */ /* TODO: Macros Below are Sync from SD7-Driver. It is necessary - * to check correctness */ + * to check correctness + */ /* * Call endian free function when * 1. Read/write packet content. * 2. Before write integer to IO. * 3. After read integer from IO. -*/ + */ /* Convert little data endian to host ordering */ #define EF1BYTE(_val) \ @@ -74,9 +75,10 @@ #define LE_P1BYTE_TO_HOST_1BYTE(__pstart) \ (EF1BYTE(*((u8 *)(__pstart)))) -/*Description: -Translate subfield (continuous bits in little-endian) of 4-byte -value to host byte ordering.*/ +/* Description: + * Translate subfield (continuous bits in little-endian) of 4-byte + * value to host byte ordering. + */ #define LE_BITS_TO_4BYTE(__pstart, __bitoffset, __bitlen) \ ( \ (LE_P4BYTE_TO_HOST_4BYTE(__pstart) >> (__bitoffset)) & \ diff --git a/drivers/staging/rtl8188eu/include/drv_types.h b/drivers/staging/rtl8188eu/include/drv_types.h index c3517c0903ca..2734565ce802 100644 --- a/drivers/staging/rtl8188eu/include/drv_types.h +++ b/drivers/staging/rtl8188eu/include/drv_types.h @@ -128,7 +128,8 @@ struct dvobj_priv { static inline struct device *dvobj_to_dev(struct dvobj_priv *dvobj) { /* todo: get interface type from dvobj and the return - * the dev accordingly */ + * the dev accordingly + */ return &dvobj->pusbintf->dev; }; diff --git a/drivers/staging/rtl8188eu/include/hal_intf.h b/drivers/staging/rtl8188eu/include/hal_intf.h index dfdbd0254886..da4ee1561c36 100644 --- a/drivers/staging/rtl8188eu/include/hal_intf.h +++ b/drivers/staging/rtl8188eu/include/hal_intf.h @@ -96,9 +96,11 @@ enum hw_variables { HW_VAR_FIFO_CLEARN_UP, HW_VAR_CHECK_TXBUF, HW_VAR_APFM_ON_MAC, /* Auto FSM to Turn On, include clock, isolation, - * power control for MAC only */ + * power control for MAC only + */ /* The valid upper nav range for the HW updating, if the true value is - * larger than the upper range, the HW won't update it. */ + * larger than the upper range, the HW won't update it. + */ /* Unit in microsecond. 0 means disable this function. */ HW_VAR_NAV_UPPER, HW_VAR_RPT_TIMER_SETTING, diff --git a/drivers/staging/rtl8188eu/include/ieee80211.h b/drivers/staging/rtl8188eu/include/ieee80211.h index 284db7d00f50..9f480ccec531 100644 --- a/drivers/staging/rtl8188eu/include/ieee80211.h +++ b/drivers/staging/rtl8188eu/include/ieee80211.h @@ -202,9 +202,9 @@ enum NETWORK_TYPE { #define IsSupportedTxCCK(NetType) \ ((NetType) & (WIRELESS_11B) ? true : false) #define IsSupportedTxOFDM(NetType) \ - ((NetType) & (WIRELESS_11G|WIRELESS_11A) ? true : false) + ((NetType) & (WIRELESS_11G | WIRELESS_11A) ? true : false) #define IsSupportedTxMCS(NetType) \ - ((NetType) & (WIRELESS_11_24N|WIRELESS_11_5N) ? true : false) + ((NetType) & (WIRELESS_11_24N | WIRELESS_11_5N) ? true : false) struct ieee_param { @@ -276,12 +276,13 @@ struct sta_data { #define IEEE80211_DATA_LEN 2304 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section - 6.2.1.1.2. + * 6.2.1.1.2. - The figure in section 7.1.2 suggests a body size of up to 2312 - bytes is allowed, which is a bit confusing, I suspect this - represents the 2304 bytes of real data, plus a possible 8 bytes of - WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ + * The figure in section 7.1.2 suggests a body size of up to 2312 + * bytes is allowed, which is a bit confusing, I suspect this + * represents the 2304 bytes of real data, plus a possible 8 bytes of + * WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) + */ #define IEEE80211_HLEN 30 @@ -358,11 +359,11 @@ struct ieee80211_snap_hdr { #define IEEE80211_DATA_HDR3_LEN 24 #define IEEE80211_DATA_HDR4_LEN 30 -#define IEEE80211_CCK_MODULATION (1<<0) -#define IEEE80211_OFDM_MODULATION (1<<1) +#define IEEE80211_CCK_MODULATION BIT(0) +#define IEEE80211_OFDM_MODULATION BIT(1) -#define IEEE80211_24GHZ_BAND (1<<0) -#define IEEE80211_52GHZ_BAND (1<<1) +#define IEEE80211_24GHZ_BAND BIT(0) +#define IEEE80211_52GHZ_BAND BIT(1) #define IEEE80211_CCK_RATE_LEN 4 #define IEEE80211_NUM_OFDM_RATESLEN 8 @@ -383,18 +384,18 @@ struct ieee80211_snap_hdr { #define IEEE80211_OFDM_RATE_54MB 0x6C #define IEEE80211_BASIC_RATE_MASK 0x80 -#define IEEE80211_CCK_RATE_1MB_MASK (1<<0) -#define IEEE80211_CCK_RATE_2MB_MASK (1<<1) -#define IEEE80211_CCK_RATE_5MB_MASK (1<<2) -#define IEEE80211_CCK_RATE_11MB_MASK (1<<3) -#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) -#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) -#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) -#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) -#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) -#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) -#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) -#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) +#define IEEE80211_CCK_RATE_1MB_MASK BIT(0) +#define IEEE80211_CCK_RATE_2MB_MASK BIT(1) +#define IEEE80211_CCK_RATE_5MB_MASK BIT(2) +#define IEEE80211_CCK_RATE_11MB_MASK BIT(3) +#define IEEE80211_OFDM_RATE_6MB_MASK BIT(4) +#define IEEE80211_OFDM_RATE_9MB_MASK BIT(5) +#define IEEE80211_OFDM_RATE_12MB_MASK BIT(6) +#define IEEE80211_OFDM_RATE_18MB_MASK BIT(7) +#define IEEE80211_OFDM_RATE_24MB_MASK BIT(8) +#define IEEE80211_OFDM_RATE_36MB_MASK BIT(9) +#define IEEE80211_OFDM_RATE_48MB_MASK BIT(10) +#define IEEE80211_OFDM_RATE_54MB_MASK BIT(11) #define IEEE80211_CCK_RATES_MASK 0x0000000F #define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ @@ -423,18 +424,19 @@ struct ieee80211_snap_hdr { /* IEEE 802.11 requires that STA supports concurrent reception of at least * three fragmented frames. This define can be increased to support more * concurrent frames, but it should be noted that each entry can consume about - * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ + * 2 kB of RAM and increasing cache size will slow down frame reassembly. + */ #define IEEE80211_FRAG_CACHE_LEN 4 -#define SEC_KEY_1 (1<<0) -#define SEC_KEY_2 (1<<1) -#define SEC_KEY_3 (1<<2) -#define SEC_KEY_4 (1<<3) -#define SEC_ACTIVE_KEY (1<<4) -#define SEC_AUTH_MODE (1<<5) -#define SEC_UNICAST_GROUP (1<<6) -#define SEC_LEVEL (1<<7) -#define SEC_ENABLED (1<<8) +#define SEC_KEY_1 BIT(0) +#define SEC_KEY_2 BIT(1) +#define SEC_KEY_3 BIT(2) +#define SEC_KEY_4 BIT(3) +#define SEC_ACTIVE_KEY BIT(4) +#define SEC_AUTH_MODE BIT(5) +#define SEC_UNICAST_GROUP BIT(6) +#define SEC_LEVEL BIT(7) +#define SEC_ENABLED BIT(8) #define SEC_LEVEL_0 0 /* None */ #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ @@ -451,7 +453,8 @@ struct ieee80211_snap_hdr { /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs * only use 8, and then use extended rates for the remaining supported * rates. Other APs, however, stick all of their supported rates on the - * main rates information element... */ + * main rates information element... + */ #define MAX_RATES_LENGTH ((u8)12) #define MAX_RATES_EX_LENGTH ((u8)16) #define MAX_NETWORK_COUNT 128 @@ -467,17 +470,17 @@ struct ieee80211_snap_hdr { #define MAX_P2P_IE_LEN (256) #define MAX_WFD_IE_LEN (128) -#define NETWORK_EMPTY_ESSID (1<<0) -#define NETWORK_HAS_OFDM (1<<1) -#define NETWORK_HAS_CCK (1<<2) +#define NETWORK_EMPTY_ESSID BIT(0) +#define NETWORK_HAS_OFDM BIT(1) +#define NETWORK_HAS_CCK BIT(2) #define IW_ESSID_MAX_SIZE 32 /* -join_res: --1: authentication fail --2: association fail -> 0: TID -*/ + * join_res: + * -1: authentication fail + * -2: association fail + * > 0: TID + */ enum ieee80211_state { /* the card is not linked at all */ @@ -531,15 +534,15 @@ static inline int is_broadcast_mac_addr(const u8 *addr) (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff); } -#define CFG_IEEE80211_RESERVE_FCS (1<<0) -#define CFG_IEEE80211_COMPUTE_FCS (1<<1) +#define CFG_IEEE80211_RESERVE_FCS BIT(0) +#define CFG_IEEE80211_COMPUTE_FCS BIT(1) #define MAXTID 16 -#define IEEE_A (1<<0) -#define IEEE_B (1<<1) -#define IEEE_G (1<<2) -#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) +#define IEEE_A BIT(0) +#define IEEE_B BIT(1) +#define IEEE_G BIT(2) +#define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) /* Action category code */ enum rtw_ieee80211_category { @@ -615,7 +618,8 @@ enum rtw_ieee80211_back_parties { }; #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs) - * 00:50:F2 */ + * 00:50:F2 + */ #define WME_OUI_TYPE 2 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1 @@ -655,12 +659,12 @@ enum rtw_ieee80211_back_parties { * is not permitted. */ enum rtw_ieee80211_channel_flags { - RTW_IEEE80211_CHAN_DISABLED = 1<<0, - RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1, - RTW_IEEE80211_CHAN_NO_IBSS = 1<<2, - RTW_IEEE80211_CHAN_RADAR = 1<<3, - RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4, - RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5, + RTW_IEEE80211_CHAN_DISABLED = BIT(0), + RTW_IEEE80211_CHAN_PASSIVE_SCAN = BIT(1), + RTW_IEEE80211_CHAN_NO_IBSS = BIT(2), + RTW_IEEE80211_CHAN_RADAR = BIT(3), + RTW_IEEE80211_CHAN_NO_HT40PLUS = BIT(4), + RTW_IEEE80211_CHAN_NO_HT40MINUS = BIT(5), }; #define RTW_IEEE80211_CHAN_NO_HT40 \ diff --git a/drivers/staging/rtl8188eu/include/odm.h b/drivers/staging/rtl8188eu/include/odm.h index 4fb3bb07ceaa..95426b7c6dbf 100644 --- a/drivers/staging/rtl8188eu/include/odm.h +++ b/drivers/staging/rtl8188eu/include/odm.h @@ -36,7 +36,8 @@ /* Mainly, it just retains last scan result and scan again. */ /* After that, it compares the scan result to see which one gets better * RSSI. It selects antenna with better receiving power and returns better - * scan result. */ + * scan result. + */ #define TP_MODE 0 #define RSSI_MODE 1 @@ -173,10 +174,12 @@ struct rx_hpc { /* This indicates two different steps. */ /* In SWAW_STEP_PEAK, driver needs to switch antenna and listen to - * the signal on the air. */ + * the signal on the air. + */ /* In SWAW_STEP_DETERMINE, driver just compares the signal captured in * SWAW_STEP_PEAK with original RSSI to determine if it is necessary to - * switch antenna. */ + * switch antenna. + */ #define SWAW_STEP_PEAK 0 #define SWAW_STEP_DETERMINE 1 @@ -265,7 +268,8 @@ struct odm_phy_status_info { s8 RxPower; /* in dBm Translate from PWdB */ s8 RecvSignalPower;/* Real power in dBm for this packet, no * beautification and aggregation. Keep this raw - * info to be used for the other procedures. */ + * info to be used for the other procedures. + */ u8 BTRxRSSIPercentage; u8 SignalStrength; /* in 0-100 index. */ u8 RxPwr[MAX_PATH_NUM_92CS];/* per-path's pwdb */ @@ -478,7 +482,7 @@ enum odm_operation_mode { /* ODM_CMNINFO_WM_MODE */ enum odm_wireless_mode { - ODM_WM_UNKNOW = 0x0, + ODM_WM_UNKNOWN = 0x0, ODM_WM_B = BIT(0), ODM_WM_G = BIT(1), ODM_WM_A = BIT(2), @@ -509,7 +513,7 @@ enum odm_security { ODM_SEC_RESERVE = 3, ODM_SEC_AESCCMP = 4, ODM_SEC_WEP104 = 5, - ODM_WEP_WPA_MIXED = 6, /* WEP + WPA */ + ODM_WEP_WPA_MIXED = 6, /* WEP + WPA */ ODM_SEC_SMS4 = 7, }; @@ -567,7 +571,8 @@ struct odm_ra_info { u8 PTPreRssi; /* if RSSI change 5% do PT */ u8 PTModeSS; /* decide whitch rate should do PT */ u8 RAstage; /* StageRA, decide how many times RA will be done - * between PT */ + * between PT + */ u8 PTSmoothFactor; }; @@ -587,12 +592,14 @@ struct odm_rf_cal { u8 TXPowercount; bool bTXPowerTracking; u8 TxPowerTrackControl; /* for mp mode, turn off txpwrtracking - * as default */ + * as default + */ u8 TM_Trigger; u8 InternalPA5G[2]; /* pathA / pathB */ u8 ThermalMeter[2]; /* ThermalMeter, index 0 for RFIC0, - * and 1 for RFIC1 */ + * and 1 for RFIC1 + */ u8 ThermalValue; u8 ThermalValue_LCK; u8 ThermalValue_IQK; @@ -688,7 +695,7 @@ enum ant_div_type { /* Copy from SD4 defined structure. We use to support PHY DM integration. */ struct odm_dm_struct { - /* Add for different team use temporarily */ + /* Add for different team use temporarily */ struct adapter *Adapter; /* For CE/NIC team */ struct rtl8192cd_priv *priv; /* For AP/ADSL team */ /* WHen you use above pointers, they must be initialized. */ @@ -714,7 +721,8 @@ struct odm_dm_struct { /* ODM PCIE/USB/SDIO/GSPI = 0/1/2/3 */ u8 SupportInterface; /* ODM composite or independent. Bit oriented/ 92C+92D+ .... or any - * other type = 1/2/3/... */ + * other type = 1/2/3/... + */ u32 SupportICType; /* Cut Version TestChip/A-cut/B-cut... = 0/1/2/3/... */ u8 CutVersion; @@ -788,19 +796,21 @@ struct odm_dm_struct { bool bBtHsOperation; /* BT HS mode is under progress */ u8 btHsDigVal; /* use BT rssi to decide the DIG value */ bool bBtDisableEdcaTurbo;/* Under some condition, don't enable the - * EDCA Turbo */ + * EDCA Turbo + */ bool bBtBusy; /* BT is busy. */ /* CALL BY VALUE------------- */ /* 2 Define STA info. */ /* _ODM_STA_INFO */ - /* For MP, we need to reduce one array pointer for default port.?? */ + /* For MP, we need to reduce one array pointer for default port.??*/ struct sta_info *pODM_StaInfo[ODM_ASSOCIATE_ENTRY_NUM]; u16 CurrminRptTime; struct odm_ra_info RAInfo[ODM_ASSOCIATE_ENTRY_NUM]; /* Use MacID as - * array index. STA MacID=0, - * VWiFi Client MacID={1, ODM_ASSOCIATE_ENTRY_NUM-1} */ + * array index. STA MacID=0, + * VWiFi Client MacID={1, ODM_ASSOCIATE_ENTRY_NUM-1} + */ /* */ /* 2012/02/14 MH Add to share 88E ra with other SW team. */ /* We need to colelct all support abilit to a proper area. */ @@ -1029,9 +1039,11 @@ extern u8 CCKSwingTable_Ch14[CCK_TABLE_SIZE][8]; /* 20100514 Joseph: Add definition for antenna switching test after link. */ /* This indicates two different the steps. */ /* In SWAW_STEP_PEAK, driver needs to switch antenna and listen to the - * signal on the air. */ + * signal on the air. + */ /* In SWAW_STEP_DETERMINE, driver just compares the signal captured in - * SWAW_STEP_PEAK */ + * SWAW_STEP_PEAK + */ /* with original RSSI to determine if it is necessary to switch antenna. */ #define SWAW_STEP_PEAK 0 #define SWAW_STEP_DETERMINE 1 diff --git a/drivers/staging/rtl8188eu/include/osdep_intf.h b/drivers/staging/rtl8188eu/include/osdep_intf.h index 97d3d8504184..f1fb3d511a45 100644 --- a/drivers/staging/rtl8188eu/include/osdep_intf.h +++ b/drivers/staging/rtl8188eu/include/osdep_intf.h @@ -26,7 +26,7 @@ u8 rtw_init_drv_sw(struct adapter *padapter); u8 rtw_free_drv_sw(struct adapter *padapter); u8 rtw_reset_drv_sw(struct adapter *padapter); -void rtw_stop_drv_threads (struct adapter *padapter); +void rtw_stop_drv_threads(struct adapter *padapter); void rtw_cancel_all_timer(struct adapter *padapter); int rtw_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); diff --git a/drivers/staging/rtl8188eu/include/phy.h b/drivers/staging/rtl8188eu/include/phy.h index cd387e998574..e99ac3910787 100644 --- a/drivers/staging/rtl8188eu/include/phy.h +++ b/drivers/staging/rtl8188eu/include/phy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <odm.h> #define IQK_DELAY_TIME_88E 10 diff --git a/drivers/staging/rtl8188eu/include/pwrseq.h b/drivers/staging/rtl8188eu/include/pwrseq.h index addf90b60ce9..bd77a50c0d41 100644 --- a/drivers/staging/rtl8188eu/include/pwrseq.h +++ b/drivers/staging/rtl8188eu/include/pwrseq.h @@ -20,28 +20,28 @@ #include "pwrseqcmd.h" /* - Check document WM-20110607-Paul-RTL8188E_Power_Architecture-R02.vsd - There are 6 HW Power States: - 0: POFF--Power Off - 1: PDN--Power Down - 2: CARDEMU--Card Emulation - 3: ACT--Active Mode - 4: LPS--Low Power State - 5: SUS--Suspend - - The transition from different states are defined below - TRANS_CARDEMU_TO_ACT - TRANS_ACT_TO_CARDEMU - TRANS_CARDEMU_TO_SUS - TRANS_SUS_TO_CARDEMU - TRANS_CARDEMU_TO_PDN - TRANS_ACT_TO_LPS - TRANS_LPS_TO_ACT - - TRANS_END - - PWR SEQ Version: rtl8188E_PwrSeq_V09.h -*/ + * Check document WM-20110607-Paul-RTL8188E_Power_Architecture-R02.vsd + * There are 6 HW Power States: + * 0: POFF--Power Off + * 1: PDN--Power Down + * 2: CARDEMU--Card Emulation + * 3: ACT--Active Mode + * 4: LPS--Low Power State + * 5: SUS--Suspend + * + * The transition from different states are defined below + * TRANS_CARDEMU_TO_ACT + * TRANS_ACT_TO_CARDEMU + * TRANS_CARDEMU_TO_SUS + * TRANS_SUS_TO_CARDEMU + * TRANS_CARDEMU_TO_PDN + * TRANS_ACT_TO_LPS + * TRANS_LPS_TO_ACT + * + * TRANS_END + * + * PWR SEQ Version: rtl8188E_PwrSeq_V09.h + */ #define RTL8188E_TRANS_CARDEMU_TO_ACT_STEPS 10 #define RTL8188E_TRANS_ACT_TO_CARDEMU_STEPS 10 #define RTL8188E_TRANS_CARDEMU_TO_SUS_STEPS 10 diff --git a/drivers/staging/rtl8188eu/include/rf.h b/drivers/staging/rtl8188eu/include/rf.h index 98a5551f5ae7..ed3241c020ad 100644 --- a/drivers/staging/rtl8188eu/include/rf.h +++ b/drivers/staging/rtl8188eu/include/rf.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define RF6052_MAX_TX_PWR 0x3F #define RF6052_MAX_REG 0x3F diff --git a/drivers/staging/rtl8188eu/include/rtl8188e_hal.h b/drivers/staging/rtl8188eu/include/rtl8188e_hal.h index 9330361da4ad..b4b5e217105a 100644 --- a/drivers/staging/rtl8188eu/include/rtl8188e_hal.h +++ b/drivers/staging/rtl8188eu/include/rtl8188e_hal.h @@ -42,7 +42,7 @@ #define RTL8188E_PHY_REG_PG "rtl8188E\\PHY_REG_PG.txt" #define RTL8188E_PHY_REG_MP "rtl8188E\\PHY_REG_MP.txt" -/* RTL8188E Power Configuration CMDs for USB/SDIO interfaces */ +/* RTL8188E Power Configuration CMDs for USB/SDIO interfaces */ #define Rtl8188E_NIC_PWR_ON_FLOW rtl8188E_power_on_flow #define Rtl8188E_NIC_RF_OFF_FLOW rtl8188E_radio_off_flow #define Rtl8188E_NIC_DISABLE_FLOW rtl8188E_card_disable_flow @@ -81,7 +81,8 @@ enum usb_rx_agg_mode { #define MAX_RX_DMA_BUFFER_SIZE_88E \ 0x2400 /* 9k for 88E nornal chip , MaxRxBuff=10k-max(TxReportSize(64*8), - * WOLPattern(16*24)) */ + * WOLPattern(16*24)) + */ #define MAX_TX_REPORT_BUFFER_SIZE 0x0400 /* 1k */ @@ -94,11 +95,13 @@ enum usb_rx_agg_mode { #define TX_SELE_NQ BIT(2) /* Normal Queue */ /* Note: We will divide number of page equally for each queue other - * than public queue! */ + * than public queue! + */ /* 22k = 22528 bytes = 176 pages (@page = 128 bytes) */ /* must reserved about 7 pages for LPS => 176-7 = 169 (0xA9) */ /* 2*BCN / 1*ps-poll / 1*null-data /1*prob_rsp /1*QOS null-data /1*BT QOS - * null-data */ + * null-data + */ #define TX_TOTAL_PAGE_NUMBER_88E 0xA9/* 169 (21632=> 21k) */ @@ -110,7 +113,7 @@ enum usb_rx_agg_mode { #define WMM_NORMAL_TX_PAGE_BOUNDARY_88E \ (WMM_NORMAL_TX_TOTAL_PAGE_NUMBER + 1) /* 0xA9 */ -/* Chip specific */ +/* Chip specific */ #define CHIP_BONDING_IDENTIFIER(_value) (((_value)>>22)&0x3) #define CHIP_BONDING_92C_1T2R 0x1 #define CHIP_BONDING_88C_USB_MCARD 0x2 @@ -118,7 +121,7 @@ enum usb_rx_agg_mode { #include "HalVerDef.h" #include "hal_com.h" -/* Channel Plan */ +/* Channel Plan */ enum ChannelPlan { CHPL_FCC = 0, CHPL_IC = 1, @@ -168,7 +171,8 @@ struct txpowerinfo24g { #define AVAILABLE_EFUSE_ADDR_88E(addr) \ (addr < EFUSE_REAL_CONTENT_LEN_88E) /* To prevent out of boundary programming case, leave 1byte and program - * full section */ + * full section + */ /* 9bytes + 1byt + 5bytes and pre 1byte. */ /* For worst case: */ /* | 2byte|----8bytes----|1byte|--7bytes--| 92D */ @@ -176,7 +180,7 @@ struct txpowerinfo24g { #define EFUSE_OOB_PROTECT_BYTES_88E 18 #define EFUSE_PROTECT_BYTES_BANK_88E 16 -/* EFUSE for BT definition */ +/* EFUSE for BT definition */ #define EFUSE_BT_REAL_CONTENT_LEN 1536 /* 512*3 */ #define EFUSE_BT_MAP_LEN 1024 /* 1k bytes */ #define EFUSE_BT_MAX_SECTION 128 /* 1024/8 */ @@ -293,7 +297,8 @@ struct hal_data_8188e { u8 bDumpRxPkt;/* for debug */ u8 bDumpTxPkt;/* for debug */ u8 FwRsvdPageStartOffset; /* Reserve page start offset except - * beacon in TxQ. */ + * beacon in TxQ. + */ /* 2010/08/09 MH Add CU power down mode. */ bool pwrdown; @@ -307,7 +312,8 @@ struct hal_data_8188e { u16 EfuseUsedBytes; /* Auto FSM to Turn On, include clock, isolation, power control - * for MAC only */ + * for MAC only + */ u8 bMacPwrCtrlOn; u32 UsbBulkOutSize; @@ -324,7 +330,8 @@ struct hal_data_8188e { enum usb_rx_agg_mode UsbRxAggMode; u8 UsbRxAggBlockCount; /* USB Block count. Block size is * 512-byte in high speed and 64-byte - * in full speed */ + * in full speed + */ u8 UsbRxAggBlockTimeout; u8 UsbRxAggPageCount; /* 8192C DMA page count */ u8 UsbRxAggPageTimeout; diff --git a/drivers/staging/rtl8188eu/include/rtl8188e_spec.h b/drivers/staging/rtl8188eu/include/rtl8188e_spec.h index c93e19d1c50f..71e2b817e20a 100644 --- a/drivers/staging/rtl8188eu/include/rtl8188e_spec.h +++ b/drivers/staging/rtl8188eu/include/rtl8188e_spec.h @@ -15,7 +15,7 @@ #ifndef __RTL8188E_SPEC_H__ #define __RTL8188E_SPEC_H__ -/* 8192C Regsiter offset definition */ +/* 8192C Register offset definition */ #define HAL_PS_TIMER_INT_DELAY 50 /* 50 microseconds */ #define HAL_92C_NAV_UPPER_UNIT 128 /* micro-second */ @@ -62,12 +62,15 @@ #define REG_HSIMR 0x0058 #define REG_HSISR 0x005c #define REG_GPIO_PIN_CTRL_2 0x0060 /* RTL8723 WIFI/BT/GPS - * Multi-Function GPIO Pin Control. */ + * Multi-Function GPIO Pin Control. + */ #define REG_GPIO_IO_SEL_2 0x0062 /* RTL8723 WIFI/BT/GPS - * Multi-Function GPIO Select. */ + * Multi-Function GPIO Select. + */ #define REG_BB_PAD_CTRL 0x0064 #define REG_MULTI_FUNC_CTRL 0x0068 /* RTL8723 WIFI/BT/GPS - * Multi-Function control source. */ + * Multi-Function control source. + */ #define REG_GPIO_OUTPUT 0x006c #define REG_AFE_XTAL_CTRL_EXT 0x0078 /* RTL8188E */ #define REG_XCK_OUT_CTRL 0x007c /* RTL8188E */ @@ -87,7 +90,8 @@ #define REG_HIMRE_88E 0x00B8 #define REG_HISRE_88E 0x00BC #define REG_EFUSE_ACCESS 0x00CF /* Efuse access protection - * for RTL8723 */ + * for RTL8723 + */ #define REG_BIST_SCAN 0x00D0 #define REG_BIST_RPT 0x00D4 #define REG_BIST_ROM_RPT 0x00D8 @@ -119,9 +123,9 @@ #define REG_FWISR 0x0134 #define REG_PKTBUF_DBG_CTRL 0x0140 #define REG_PKTBUF_DBG_ADDR (REG_PKTBUF_DBG_CTRL) -#define REG_RXPKTBUF_DBG (REG_PKTBUF_DBG_CTRL+2) -#define REG_TXPKTBUF_DBG (REG_PKTBUF_DBG_CTRL+3) -#define REG_RXPKTBUF_CTRL (REG_PKTBUF_DBG_CTRL+2) +#define REG_RXPKTBUF_DBG (REG_PKTBUF_DBG_CTRL + 2) +#define REG_TXPKTBUF_DBG (REG_PKTBUF_DBG_CTRL + 3) +#define REG_RXPKTBUF_CTRL (REG_PKTBUF_DBG_CTRL + 2) #define REG_PKTBUF_DBG_DATA_L 0x0144 #define REG_PKTBUF_DBG_DATA_H 0x0148 @@ -252,21 +256,24 @@ #define REG_TXPAUSE 0x0522 #define REG_DIS_TXREQ_CLR 0x0523 #define REG_RD_CTRL 0x0524 -/* Format for offset 540h-542h: */ -/* [3:0]: TBTT prohibit setup in unit of 32us. The time for HW getting - * beacon content before TBTT. */ -/* [7:4]: Reserved. */ -/* [19:8]: TBTT prohibit hold in unit of 32us. The time for HW holding - * to send the beacon packet. */ -/* [23:20]: Reserved */ -/* Description: */ -/* | */ -/* |<--Setup--|--Hold------------>| */ -/* --------------|---------------------- */ -/* | */ -/* TBTT */ -/* Note: We cannot update beacon content to HW or send any AC packets during - * the time between Setup and Hold. */ +/* Format for offset 540h-542h: + * [3:0]: TBTT prohibit setup in unit of 32us. The time for HW getting + * beacon content before TBTT. + * + * [7:4]: Reserved. + * [19:8]: TBTT prohibit hold in unit of 32us. The time for HW holding + * to send the beacon packet. + * + * [23:20]: Reserved + * Description: + * | + * |<--Setup--|--Hold------------>| + * --------------|---------------------- + * | + * TBTT + * Note: We cannot update beacon content to HW or send any AC packets during + * the time between Setup and Hold. + */ #define REG_TBTT_PROHIBIT 0x0540 #define REG_RD_NAV_NXT 0x0544 #define REG_NAV_PROT_LEN 0x0546 @@ -340,13 +347,14 @@ #define RXERR_RPT_RST BIT(27) #define _RXERR_RPT_SEL(type) ((type) << 28) -/* Note: */ -/* The NAV upper value is very important to WiFi 11n 5.2.3 NAV test. +/* Note: + * The NAV upper value is very important to WiFi 11n 5.2.3 NAV test. * The default value is always too small, but the WiFi TestPlan test * by 25,000 microseconds of NAV through sending CTS in the air. * We must update this value greater than 25,000 microseconds to pass * the item. The offset of NAV_UPPER in 8192C Spec is incorrect, and - * the offset should be 0x0652. */ + * the offset should be 0x0652. + */ #define REG_NAV_UPPER 0x0652 /* unit of 128 */ /* WMA, BA, CCX */ @@ -453,11 +461,12 @@ /* GPIO pins input value */ #define GPIO_IN REG_GPIO_PIN_CTRL /* GPIO pins output value */ -#define GPIO_OUT (REG_GPIO_PIN_CTRL+1) +#define GPIO_OUT (REG_GPIO_PIN_CTRL + 1) /* GPIO pins output enable when a bit is set to "1"; otherwise, - * input is configured. */ -#define GPIO_IO_SEL (REG_GPIO_PIN_CTRL+2) -#define GPIO_MOD (REG_GPIO_PIN_CTRL+3) + * input is configured. + */ +#define GPIO_IO_SEL (REG_GPIO_PIN_CTRL + 2) +#define GPIO_MOD (REG_GPIO_PIN_CTRL + 3) /* 8723/8188E Host System Interrupt Mask Register (offset 0x58, 32 byte) */ #define HSIMR_GPIO12_0_INT_EN BIT(0) @@ -475,13 +484,13 @@ /* 8192C (MSR) Media Status Register (Offset 0x4C, 8 bits) */ /* -Network Type -00: No link -01: Link in ad hoc network -10: Link in infrastructure network -11: AP mode -Default: 00b. -*/ + * Network Type + * 00: No link + * 01: Link in ad hoc network + * 10: Link in infrastructure network + * 11: AP mode + * Default: 00b. + */ #define MSR_NOLINK 0x00 #define MSR_ADHOC 0x01 #define MSR_INFRA 0x02 @@ -635,26 +644,27 @@ So the following defines for 92C is not entire!!!!!! ===================================================================== =====================================================================*/ /* -Based on Datasheet V33---090401 -Register Summary -Current IOREG MAP -0x0000h ~ 0x00FFh System Configuration (256 Bytes) -0x0100h ~ 0x01FFh MACTOP General Configuration (256 Bytes) -0x0200h ~ 0x027Fh TXDMA Configuration (128 Bytes) -0x0280h ~ 0x02FFh RXDMA Configuration (128 Bytes) -0x0300h ~ 0x03FFh PCIE EMAC Reserved Region (256 Bytes) -0x0400h ~ 0x04FFh Protocol Configuration (256 Bytes) -0x0500h ~ 0x05FFh EDCA Configuration (256 Bytes) -0x0600h ~ 0x07FFh WMAC Configuration (512 Bytes) -0x2000h ~ 0x3FFFh 8051 FW Download Region (8196 Bytes) -*/ + * Based on Datasheet V33---090401 + * Register Summary + * Current IOREG MAP + * 0x0000h ~ 0x00FFh System Configuration (256 Bytes) + * 0x0100h ~ 0x01FFh MACTOP General Configuration (256 Bytes) + * 0x0200h ~ 0x027Fh TXDMA Configuration (128 Bytes) + * 0x0280h ~ 0x02FFh RXDMA Configuration (128 Bytes) + * 0x0300h ~ 0x03FFh PCIE EMAC Reserved Region (256 Bytes) + * 0x0400h ~ 0x04FFh Protocol Configuration (256 Bytes) + * 0x0500h ~ 0x05FFh EDCA Configuration (256 Bytes) + * 0x0600h ~ 0x07FFh WMAC Configuration (512 Bytes) + * 0x2000h ~ 0x3FFFh 8051 FW Download Region (8196 Bytes) + */ /* 8192C (TXPAUSE) transmission pause (Offset 0x522, 8 bits) */ -/* Note: */ -/* The bits of stopping AC(VO/VI/BE/BK) queue in datasheet - * RTL8192S/RTL8192C are wrong, */ -/* the correct arragement is VO - Bit0, VI - Bit1, BE - Bit2, - * and BK - Bit3. */ -/* 8723 and 88E may be not correct either in the earlier version. */ +/* Note: + * The bits of stopping AC(VO/VI/BE/BK) queue in datasheet + * RTL8192S/RTL8192C are wrong, + * the correct arragement is VO - Bit0, VI - Bit1, BE - Bit2, + * and BK - Bit3. + * 8723 and 88E may be not correct either in the earlier version. + */ #define StopBecon BIT(6) #define StopHigh BIT(5) #define StopMgt BIT(4) @@ -680,7 +690,8 @@ Current IOREG MAP #define RCR_AICV BIT(9) /* Accept ICV error packet */ #define RCR_ACRC32 BIT(8) /* Accept CRC32 error packet */ #define RCR_CBSSID_BCN BIT(7) /* Accept BSSID match packet - * (Rx beacon, probe rsp) */ + * (Rx beacon, probe rsp) + */ #define RCR_CBSSID_DATA BIT(6) /* Accept BSSID match (Data)*/ #define RCR_CBSSID RCR_CBSSID_DATA /* Accept BSSID match */ #define RCR_APWRMGT BIT(5) /* Accept power management pkt*/ @@ -701,7 +712,7 @@ Current IOREG MAP #define REG_USB_HRPWM 0xFE58 #define REG_USB_HCPWM 0xFE57 -/* 8192C Regsiter Bit and Content definition */ +/* 8192C Register Bit and Content definition */ /* 0x0000h ~ 0x00FFh System Configuration */ /* 2 SYS_ISO_CTRL */ @@ -798,7 +809,7 @@ Current IOREG MAP /* 2 EFUSE_TEST (For RTL8723 partially) */ #define EF_TRPT BIT(7) /* 00: Wifi Efuse, 01: BT Efuse0, 10: BT Efuse1, 11: BT Efuse2 */ -#define EF_CELL_SEL (BIT(8)|BIT(9)) +#define EF_CELL_SEL (BIT(8) | BIT(9)) #define LDOE25_EN BIT(31) #define EFUSE_SEL(x) (((x) & 0x3) << 8) #define EFUSE_SEL_MASK 0x300 @@ -835,7 +846,7 @@ Current IOREG MAP #define BD_MAC2 BIT(9) #define BD_MAC1 BIT(10) #define IC_MACPHY_MODE BIT(11) -#define CHIP_VER (BIT(12)|BIT(13)|BIT(14)|BIT(15)) +#define CHIP_VER (BIT(12) | BIT(13) | BIT(14) | BIT(15)) #define BT_FUNC BIT(16) #define VENDOR_ID BIT(19) #define PAD_HWPD_IDN BIT(22) @@ -849,9 +860,9 @@ Current IOREG MAP #define CHIP_VER_RTL_SHIFT 12 /* 2REG_GPIO_OUTSTS (For RTL8723 only) */ -#define EFS_HCI_SEL (BIT(0)|BIT(1)) -#define PAD_HCI_SEL (BIT(2)|BIT(3)) -#define HCI_SEL (BIT(4)|BIT(5)) +#define EFS_HCI_SEL (BIT(0) | BIT(1)) +#define PAD_HCI_SEL (BIT(2) | BIT(3)) +#define HCI_SEL (BIT(4) | BIT(5)) #define PKG_SEL_HCI BIT(6) #define FEN_GPS BIT(7) #define FEN_BT BIT(8) @@ -868,7 +879,7 @@ Current IOREG MAP #define UPHY_SUSB BIT(21) #define PCI_SUSEN BIT(22) #define USB_SUSEN BIT(23) -#define RF_RL_ID (BIT(31)|BIT(30)|BIT(29)|BIT(28)) +#define RF_RL_ID (BIT(31) | BIT(30) | BIT(29) | BIT(28)) /* 2SYS_CFG */ #define RTL_ID BIT(23) /* TestChip ID, 1:Test(RLE); 0:MP(RL) */ @@ -931,12 +942,12 @@ Current IOREG MAP #define HQSEL_HIQ BIT(5) /* For normal driver, 0x10C */ -#define _TXDMA_HIQ_MAP(x) (((x)&0x3) << 14) -#define _TXDMA_MGQ_MAP(x) (((x)&0x3) << 12) -#define _TXDMA_BKQ_MAP(x) (((x)&0x3) << 10) -#define _TXDMA_BEQ_MAP(x) (((x)&0x3) << 8) -#define _TXDMA_VIQ_MAP(x) (((x)&0x3) << 6) -#define _TXDMA_VOQ_MAP(x) (((x)&0x3) << 4) +#define _TXDMA_HIQ_MAP(x) (((x) & 0x3) << 14) +#define _TXDMA_MGQ_MAP(x) (((x) & 0x3) << 12) +#define _TXDMA_BKQ_MAP(x) (((x) & 0x3) << 10) +#define _TXDMA_BEQ_MAP(x) (((x) & 0x3) << 8) +#define _TXDMA_VIQ_MAP(x) (((x) & 0x3) << 6) +#define _TXDMA_VOQ_MAP(x) (((x) & 0x3) << 4) #define QUEUE_LOW 1 #define QUEUE_NORMAL 2 @@ -1242,10 +1253,12 @@ Current IOREG MAP /* 2REG_C2HEVT_CLEAR */ /* Set by driver and notify FW that the driver has read - * the C2H command message */ + * the C2H command message + */ #define C2H_EVT_HOST_CLOSE 0x00 /* Set by FW indicating that FW had set the C2H command - * message and it's not yet read by driver. */ + * message and it's not yet read by driver. + */ #define C2H_EVT_FW_CLOSE 0xFF /* 2REG_MULTI_FUNC_CTRL(For RTL8723 Only) */ diff --git a/drivers/staging/rtl8188eu/include/rtw_cmd.h b/drivers/staging/rtl8188eu/include/rtw_cmd.h index f79feeb4e38f..2c026bf6fecb 100644 --- a/drivers/staging/rtl8188eu/include/rtw_cmd.h +++ b/drivers/staging/rtl8188eu/include/rtw_cmd.h @@ -97,13 +97,13 @@ enum RFINTFS { }; /* -Caller Mode: Infra, Ad-HoC(C) - -Notes: To disconnect the current associated BSS - -Command Mode - -*/ + * Caller Mode: Infra, Ad-HoC(C) + * + * Notes: To disconnect the current associated BSS + * + * Command Mode + * + */ struct disconnect_parm { u32 deauth_timeout_ms; }; @@ -114,13 +114,13 @@ struct setopmode_parm { }; /* -Caller Mode: AP, Ad-HoC, Infra - -Notes: To ask RTL8711 performing site-survey - -Command-Event Mode - -*/ + * Caller Mode: AP, Ad-HoC, Infra + * + * Notes: To ask RTL8711 performing site-survey + * + * Command-Event Mode + * + */ #define RTW_SSID_SCAN_AMOUNT 9 /* for WEXT_CSCAN_AMOUNT 9 */ #define RTW_CHANNEL_SCAN_AMOUNT (14+37) @@ -133,13 +133,13 @@ struct sitesurvey_parm { }; /* -Caller Mode: Any - -Notes: To set the auth type of RTL8711. open/shared/802.1x - -Command Mode - -*/ + * Caller Mode: Any + * + * Notes: To set the auth type of RTL8711. open/shared/802.1x + * + * Command Mode + * + */ struct setauth_parm { u8 mode; /* 0: legacy open, 1: legacy shared 2: 802.1x */ u8 _1x; /* 0: PSK, 1: TLS */ @@ -147,40 +147,42 @@ struct setauth_parm { }; /* -Caller Mode: Infra - -a. algorithm: wep40, wep104, tkip & aes -b. keytype: grp key/unicast key -c. key contents - -when shared key ==> keyid is the camid -when 802.1x ==> keyid [0:1] ==> grp key -when 802.1x ==> keyid > 2 ==> unicast key - -*/ + * Caller Mode: Infra + * + * a. algorithm: wep40, wep104, tkip & aes + * b. keytype: grp key/unicast key + * c. key contents + * + * when shared key ==> keyid is the camid + * when 802.1x ==> keyid [0:1] ==> grp key + * when 802.1x ==> keyid > 2 ==> unicast key + * + */ struct setkey_parm { u8 algorithm; /* could be none, wep40, TKIP, CCMP, wep104 */ u8 keyid; u8 grpkey; /* 1: this is the grpkey for 802.1x. - * 0: this is the unicast key for 802.1x */ + * 0: this is the unicast key for 802.1x + */ u8 set_tx; /* 1: main tx key for wep. 0: other key. */ u8 key[16]; /* this could be 40 or 104 */ }; /* -When in AP or Ad-Hoc mode, this is used to -allocate an sw/hw entry for a newly associated sta. - -Command - -when shared key ==> algorithm/keyid - -*/ + * When in AP or Ad-Hoc mode, this is used to + * allocate an sw/hw entry for a newly associated sta. + * + * Command + * + * when shared key ==> algorithm/keyid + * + */ struct set_stakey_parm { u8 addr[ETH_ALEN]; u8 algorithm; u8 id;/* currently for erasing cam entry if - * algorithm == _NO_PRIVACY_ */ + * algorithm == _NO_PRIVACY_ + */ u8 key[16]; }; @@ -191,15 +193,15 @@ struct set_stakey_rsp { }; /* -Caller Ad-Hoc/AP - -Command -Rsp(AID == CAMID) mode - -This is to force fw to add an sta_data entry per driver's request. - -FW will write an cam entry associated with it. - -*/ + * Caller Ad-Hoc/AP + * + * Command -Rsp(AID == CAMID) mode + * + * This is to force fw to add an sta_data entry per driver's request. + * + * FW will write an cam entry associated with it. + * + */ struct set_assocsta_parm { u8 addr[ETH_ALEN]; }; @@ -210,55 +212,57 @@ struct set_assocsta_rsp { }; /* - Notes: This command is used for H2C/C2H loopback testing - - mac[0] == 0 - ==> CMD mode, return H2C_SUCCESS. - The following condition must be true under CMD mode - mac[1] == mac[4], mac[2] == mac[3], mac[0]=mac[5]= 0; - s0 == 0x1234, s1 == 0xabcd, w0 == 0x78563412, w1 == 0x5aa5def7; - s2 == (b1 << 8 | b0); - - mac[0] == 1 - ==> CMD_RSP mode, return H2C_SUCCESS_RSP - - The rsp layout shall be: - rsp: parm: - mac[0] = mac[5]; - mac[1] = mac[4]; - mac[2] = mac[3]; - mac[3] = mac[2]; - mac[4] = mac[1]; - mac[5] = mac[0]; - s0 = s1; - s1 = swap16(s0); - w0 = swap32(w1); - b0 = b1 - s2 = s0 + s1 - b1 = b0 - w1 = w0 - - mac[0] == 2 - ==> CMD_EVENT mode, return H2C_SUCCESS - The event layout shall be: - event: parm: - mac[0] = mac[5]; - mac[1] = mac[4]; - mac[2] = event's seq no, starting from 1 to parm's marc[3] - mac[3] = mac[2]; - mac[4] = mac[1]; - mac[5] = mac[0]; - s0 = swap16(s0) - event.mac[2]; - s1 = s1 + event.mac[2]; - w0 = swap32(w0); - b0 = b1 - s2 = s0 + event.mac[2] - b1 = b0 - w1 = swap32(w1) - event.mac[2]; - - parm->mac[3] is the total event counts that host requested. - event will be the same with the cmd's param. -*/ + * Notes: This command is used for H2C/C2H loopback testing + * + * mac[0] == 0 + * ==> CMD mode, return H2C_SUCCESS. + * The following condition must be true under CMD mode + * mac[1] == mac[4], mac[2] == mac[3], mac[0]=mac[5]= 0; + * s0 == 0x1234, s1 == 0xabcd, w0 == 0x78563412, w1 == 0x5aa5def7; + * s2 == (b1 << 8 | b0); + * + * mac[0] == 1 + * ==> CMD_RSP mode, return H2C_SUCCESS_RSP + * + * The rsp layout shall be: + * rsp: parm: + * mac[0] = mac[5]; + * mac[1] = mac[4]; + * mac[2] = mac[3]; + * mac[3] = mac[2]; + * mac[4] = mac[1]; + * mac[5] = mac[0]; + * s0 = s1; + * s1 = swap16(s0); + * w0 = swap32(w1); + * b0 = b1 + * s2 = s0 + s1 + * b1 = b0 + * w1 = w0 + * + * mac[0] == 2 + * ==> CMD_EVENT mode, return H2C_SUCCESS + * The event layout shall be: + * event: parm: + * mac[0] = mac[5]; + * mac[1] = mac[4]; + * mac[2] = event's seq no, starting from 1 to parm's marc[3] + * mac[2] = event's seq no, starting from 1 to parm's marc[3] + * mac[2] = event's seq no, starting from 1 to parm's marc[3] + * mac[3] = mac[2]; + * mac[4] = mac[1]; + * mac[5] = mac[0]; + * s0 = swap16(s0) - event.mac[2]; + * s1 = s1 + event.mac[2]; + * w0 = swap32(w0); + * b0 = b1 + * s2 = s0 + event.mac[2] + * b1 = b0 + * w1 = swap32(w1) - event.mac[2]; + * + * parm->mac[3] is the total event counts that host requested. + * event will be the same with the cmd's param. + */ /* CMD param Format for driver extra cmd handler */ struct drvextra_cmd_parm { @@ -285,15 +289,15 @@ struct SetChannelPlan_param { }; /* - -Result: -0x00: success -0x01: success, and check Response. -0x02: cmd ignored due to duplicated sequcne number -0x03: cmd dropped due to invalid cmd code -0x04: reserved. - -*/ + * + * Result: + * 0x00: success + * 0x01: success, and check Response. + * 0x02: cmd ignored due to duplicated sequcne number + * 0x03: cmd dropped due to invalid cmd code + * 0x04: reserved. + * + */ #define H2C_SUCCESS 0x00 #define H2C_SUCCESS_RSP 0x01 diff --git a/drivers/staging/rtl8188eu/include/rtw_debug.h b/drivers/staging/rtl8188eu/include/rtw_debug.h index 9cc4b8c7c166..4873ba49900c 100644 --- a/drivers/staging/rtl8188eu/include/rtw_debug.h +++ b/drivers/staging/rtl8188eu/include/rtw_debug.h @@ -106,9 +106,9 @@ extern u32 GlobalDebugLevel; (((__i + 1) % 4) == 0) ? \ " " : " "); \ if (((__i + 1) % 16) == 0) \ - printk("\n"); \ + pr_cont("\n"); \ } \ - printk("\n"); \ + pr_cont("\n"); \ } \ } while (0) diff --git a/drivers/staging/rtl8188eu/include/rtw_eeprom.h b/drivers/staging/rtl8188eu/include/rtw_eeprom.h index 5dd73841dd9e..11d1cb6de506 100644 --- a/drivers/staging/rtl8188eu/include/rtw_eeprom.h +++ b/drivers/staging/rtl8188eu/include/rtw_eeprom.h @@ -55,7 +55,8 @@ /* This variable is initiailzed through EEPROM or registry, */ /* however, its definition may be different with that in EEPROM for */ /* EEPROM size consideration. So, we have to perform proper translation - * between them. */ + * between them. + */ /* Besides, CustomerID of registry has precedence of that of EEPROM. */ /* defined below. 060703, by rcnjko. */ enum RT_CUSTOMER_ID { @@ -79,7 +80,8 @@ enum RT_CUSTOMER_ID { RT_CID_819x_Sitecom = 17, RT_CID_CCX = 18, /* It's set under CCX logo test and isn't demanded * for CCX functions, but for test behavior like retry - * limit and tx report. By Bruce, 2009-02-17. */ + * limit and tx report. By Bruce, 2009-02-17. + */ RT_CID_819x_Lenovo = 19, RT_CID_819x_QMI = 20, RT_CID_819x_Edimax_Belkin = 21, @@ -89,7 +91,8 @@ enum RT_CUSTOMER_ID { RT_CID_819x_Acer = 25, RT_CID_819x_AzWave_ASUS = 26, RT_CID_819x_AzWave = 27, /* For AzWave in PCIe,i - * The ID is AzWave use and not only Asus */ + * The ID is AzWave use and not only Asus + */ RT_CID_819x_HP = 28, RT_CID_819x_WNC_COREGA = 29, RT_CID_819x_Arcadyan_Belkin = 30, diff --git a/drivers/staging/rtl8188eu/include/rtw_event.h b/drivers/staging/rtl8188eu/include/rtw_event.h index 1c5ebde97091..e798e794d962 100644 --- a/drivers/staging/rtl8188eu/include/rtw_event.h +++ b/drivers/staging/rtl8188eu/include/rtw_event.h @@ -22,42 +22,42 @@ #include <linux/sem.h> /* -Used to report a bss has been scanned -*/ + * Used to report a bss has been scanned + */ struct survey_event { struct wlan_bssid_ex bss; }; /* -Used to report that the requested site survey has been done. - -bss_cnt indicates the number of bss that has been reported. - - -*/ + * Used to report that the requested site survey has been done. + * + * bss_cnt indicates the number of bss that has been reported. + * + * + */ struct surveydone_event { unsigned int bss_cnt; }; /* -Used to report the link result of joinning the given bss - - -join_res: --1: authentication fail --2: association fail -> 0: TID - -*/ + * Used to report the link result of joinning the given bss + * + * + * join_res: + * -1: authentication fail + * -2: association fail + * > 0: TID + * + */ struct joinbss_event { struct wlan_network network; }; /* -Used to report a given STA has joinned the created BSS. -It is used in AP/Ad-HoC(M) mode. -*/ + * Used to report a given STA has joinned the created BSS. + * It is used in AP/Ad-HoC(M) mode. + */ struct stassoc_event { unsigned char macaddr[6]; diff --git a/drivers/staging/rtl8188eu/include/rtw_led.h b/drivers/staging/rtl8188eu/include/rtw_led.h index 607d1ba56a46..884e1397755a 100644 --- a/drivers/staging/rtl8188eu/include/rtw_led.h +++ b/drivers/staging/rtl8188eu/include/rtw_led.h @@ -58,7 +58,8 @@ struct LED_871x { enum LED_STATE_871x CurrLedState; /* Current LED state. */ enum LED_STATE_871x BlinkingLedState; /* Next state for blinking, - * either RTW_LED_ON or RTW_LED_OFF are. */ + * either RTW_LED_ON or RTW_LED_OFF are. + */ u8 bLedOn; /* true if LED is ON, false if LED is OFF. */ @@ -75,7 +76,8 @@ struct LED_871x { u8 bLedLinkBlinkInProgress; u8 bLedScanBlinkInProgress; struct work_struct BlinkWorkItem; /* Workitem used by BlinkTimer to - * manipulate H/W to blink LED. */ + * manipulate H/W to blink LED. + */ }; #define IS_LED_WPS_BLINKING(_LED_871x) \ @@ -91,7 +93,6 @@ struct led_priv { /* add for led control */ }; -void BlinkTimerCallback(unsigned long data); void BlinkWorkItemCallback(struct work_struct *work); void ResetLedStatus(struct LED_871x *pLed); diff --git a/drivers/staging/rtl8188eu/include/rtw_mlme.h b/drivers/staging/rtl8188eu/include/rtw_mlme.h index 5c5d0ae8bdd1..e6d4175af3a2 100644 --- a/drivers/staging/rtl8188eu/include/rtw_mlme.h +++ b/drivers/staging/rtl8188eu/include/rtw_mlme.h @@ -70,25 +70,28 @@ enum rt_scan_type { enum SCAN_RESULT_TYPE { SCAN_RESULT_P2P_ONLY = 0, /* Will return all the P2P devices. */ SCAN_RESULT_ALL = 1, /* Will return all the scanned device, - * include AP. */ + * include AP. + */ SCAN_RESULT_WFD_TYPE = 2 /* Will just return the correct WFD - * device. */ + * device. + */ /* If this device is Miracast sink * device, it will just return all the - * Miracast source devices. */ + * Miracast source devices. + */ }; /* -there are several "locks" in mlme_priv, -since mlme_priv is a shared resource between many threads, -like ISR/Call-Back functions, the OID handlers, and even timer functions. - -Each _queue has its own locks, already. -Other items are protected by mlme_priv.lock. - -To avoid possible dead lock, any thread trying to modifiying mlme_priv -SHALL not lock up more than one lock at a time! -*/ + * there are several "locks" in mlme_priv, + * since mlme_priv is a shared resource between many threads, + * like ISR/Call-Back functions, the OID handlers, and even timer functions. + * + * Each _queue has its own locks, already. + * Other items are protected by mlme_priv.lock. + * + * To avoid possible dead lock, any thread trying to modifiying mlme_priv + * SHALL not lock up more than one lock at a time! + */ #define traffic_threshold 10 #define traffic_scan_period 500 @@ -102,9 +105,11 @@ struct rt_link_detect { bool bRxBusyTraffic; bool bHigherBusyTraffic; /* For interrupt migration purpose. */ bool bHigherBusyRxTraffic; /* We may disable Tx interrupt according - * to Rx traffic. */ + * to Rx traffic. + */ bool bHigherBusyTxTraffic; /* We may disable Tx interrupt according - * to Tx traffic. */ + * to Tx traffic. + */ }; struct mlme_priv { @@ -164,7 +169,8 @@ struct mlme_priv { #if defined(CONFIG_88EU_AP_MODE) /* Number of associated Non-ERP stations (i.e., stations using 802.11b - * in 802.11g BSS) */ + * in 802.11g BSS) + */ int num_sta_non_erp; /* Number of associated stations that do not support Short Slot Time */ @@ -325,10 +331,10 @@ void rtw_update_registrypriv_dev_network(struct adapter *adapter); void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter); -void _rtw_join_timeout_handler(unsigned long data); -void rtw_scan_timeout_handler(unsigned long data); +void _rtw_join_timeout_handler(struct timer_list *t); +void rtw_scan_timeout_handler(struct timer_list *t); -void rtw_dynamic_check_timer_handlder(unsigned long data); +void rtw_dynamic_check_timer_handlder(struct timer_list *t); #define rtw_is_scan_deny(adapter) false #define rtw_clear_scan_deny(adapter) do {} while (0) #define rtw_set_scan_deny_timer_hdl(adapter) do {} while (0) diff --git a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h index 1b1caaf583c9..118bf5509d97 100644 --- a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h +++ b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h @@ -101,9 +101,11 @@ extern unsigned char WMM_PARA_OUI[]; /* Channel Plan Type. */ /* Note: */ /* We just add new channel plan when the new channel plan is different - * from any of the following channel plan. */ + * from any of the following channel plan. + */ /* If you just want to customize the actions(scan period or join actions) - * about one of the channel plan, */ + * about one of the channel plan, + */ /* customize them in struct rt_channel_info in the RT_CHANNEL_LIST. */ enum RT_CHANNEL_DOMAIN { /* old channel plan mapping ===== */ @@ -319,7 +321,8 @@ struct mlme_ext_info { u32 authModeToggle; u32 enc_algo;/* encrypt algorithm; */ u32 key_index; /* this is only valid for legacy wep, - * 0~3 for key id. */ + * 0~3 for key id. + */ u32 iv; u8 chg_txt[128]; u16 aid; @@ -353,16 +356,19 @@ struct mlme_ext_info { struct HT_info_element HT_info; struct wlan_bssid_ex network;/* join network or bss_network, * if in ap mode, it is the same - * as cur_network.network */ + * as cur_network.network + */ struct FW_Sta_Info FW_sta_info[NUM_STA]; }; /* The channel information about this channel including joining, - * scanning, and power constraints. */ + * scanning, and power constraints. + */ struct rt_channel_info { u8 ChannelNum; /* The channel number. */ enum rt_scan_type ScanType; /* Scan type such as passive - * or active scan. */ + * or active scan. + */ u32 rx_count; }; @@ -413,7 +419,8 @@ struct mlme_ext_priv { unsigned char cur_wireless_mode; /* NETWORK_TYPE */ unsigned char oper_channel; /* saved chan info when call - * set_channel_bw */ + * set_channel_bw + */ unsigned char oper_bwmode; unsigned char oper_ch_offset;/* PRIME_CHNL_OFFSET */ @@ -427,7 +434,8 @@ struct mlme_ext_priv { struct mlme_ext_info mlmext_info;/* for sta/adhoc mode, including * current scan/connecting/connected * related info. For ap mode, - * network includes ap's cap_info*/ + * network includes ap's cap_info + */ struct timer_list survey_timer; struct timer_list link_timer; u16 chan_scan_time; @@ -572,9 +580,9 @@ void mlmeext_sta_add_event_callback(struct adapter *padapter, void linked_status_chk(struct adapter *padapter); -void survey_timer_hdl(unsigned long data); -void link_timer_hdl(unsigned long data); -void addba_timer_hdl(unsigned long data); +void survey_timer_hdl(struct timer_list *t); +void link_timer_hdl(struct timer_list *t); +void addba_timer_hdl(struct timer_list *t); #define set_survey_timer(mlmeext, ms) \ mod_timer(&mlmeext->survey_timer, jiffies + \ @@ -690,7 +698,8 @@ enum rtw_c2h_event { _C2HBCN_EVT_, _ReportPwrState_EVT_, /* filen: only for PCIE, USB */ _CloseRF_EVT_, /* filen: only for PCIE, - * work around ASPM */ + * work around ASPM + */ MAX_C2HEVT }; diff --git a/drivers/staging/rtl8188eu/include/rtw_mp_phy_regdef.h b/drivers/staging/rtl8188eu/include/rtw_mp_phy_regdef.h index 4872a21b3103..aa353aefed3d 100644 --- a/drivers/staging/rtl8188eu/include/rtw_mp_phy_regdef.h +++ b/drivers/staging/rtl8188eu/include/rtw_mp_phy_regdef.h @@ -521,14 +521,16 @@ #define bCCKRxPhase 0x4 #if (RTL92SE_FPGA_VERIFY == 1) #define bLSSIReadAddress 0x3f000000 /* LSSI "Read" Address - Reg 0x824 rFPGA0_XA_HSSIParameter2 */ + * Reg 0x824 rFPGA0_XA_HSSIParameter2 + */ #else #define bLSSIReadAddress 0x7f800000 /* T65 RF */ #endif #define bLSSIReadEdge 0x80000000 /* LSSI "Read" edge signal */ #if (RTL92SE_FPGA_VERIFY == 1) #define bLSSIReadBackData 0xfff /* Reg 0x8a0 - rFPGA0_XA_LSSIReadBack */ + * rFPGA0_XA_LSSIReadBack + */ #else #define bLSSIReadBackData 0xfffff /* T65 RF */ #endif @@ -548,13 +550,16 @@ #define bDA6Swing 0x380000 #define bADClkPhase 0x4000000 /* Reg 0x880 - rFPGA0_AnalogParameter1 20/40 CCK support switch 40/80 BB MHZ */ + * rFPGA0_AnalogParameter1 20/40 CCK + * support switch 40/80 BB MHZ + */ #define b80MClkDelay 0x18000000 /* Useless */ #define bAFEWatchDogEnable 0x20000000 #define bXtalCap01 0xc0000000 /* Reg 0x884 - rFPGA0_AnalogParameter2 Crystal cap */ + * rFPGA0_AnalogParameter2 Crystal cap + */ #define bXtalCap23 0x3 #define bXtalCap92x 0x0f000000 #define bXtalCap 0x0f000000 @@ -598,7 +603,8 @@ #define bCCKTxOn 0x1 #define bOFDMTxOn 0x2 #define bDebugPage 0xfff /* reset debug page and HWord, - * LWord */ + * LWord + */ #define bDebugItem 0xff /* reset debug page and LWord */ #define bAntL 0x10 #define bAntNonHT 0x100 @@ -1071,7 +1077,8 @@ #define RCR_EnCS1 BIT(29) /* enable carrier sense method 1 */ #define RCR_EnCS2 BIT(30) /* enable carrier sense method 2 */ #define RCR_OnlyErlPkt BIT(31) /* Rx Early mode is performed for - * packet size greater than 1536 */ + * packet size greater than 1536 + */ /*--------------------------Define Parameters-------------------------------*/ diff --git a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h index 18a9e744fcbe..f39e90cfc031 100644 --- a/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h +++ b/drivers/staging/rtl8188eu/include/rtw_pwrctrl.h @@ -51,11 +51,11 @@ enum power_mgnt { }; /* - BIT[2:0] = HW state - BIT[3] = Protocol PS state, 0: register active state, - 1: register sleep state - BIT[4] = sub-state -*/ + * BIT[2:0] = HW state + * BIT[3] = Protocol PS state, 0: register active state, + * 1: register sleep state + * BIT[4] = sub-state + */ #define PS_DPS BIT(0) #define PS_LCLK (PS_DPS) @@ -115,9 +115,11 @@ enum rt_rf_power_state { #define RT_RF_OFF_LEVL_FREE_FW BIT(4) /* FW free, re-download the FW*/ #define RT_RF_OFF_LEVL_FW_32K BIT(5) /* FW in 32k */ #define RT_RF_PS_LEVEL_ALWAYS_ASPM BIT(6) /* Always enable ASPM and Clock - * Req in initialization. */ + * Req in initialization. + */ #define RT_RF_LPS_DISALBE_2R BIT(30) /* When LPS is on, disable 2R - * if no packet is RX or TX. */ + * if no packet is RX or TX. + */ #define RT_RF_LPS_LEVEL_ASPM BIT(31) /* LPS with ASPM */ #define RT_IN_PS_LEVEL(ppsc, _PS_FLAG) \ @@ -145,7 +147,8 @@ struct pwrctrl_priv { struct mutex mutex_lock; volatile u8 rpwm; /* requested power state for fw */ volatile u8 cpwm; /* fw current power state. updated when - * 1. read from HCPWM 2. driver lowers power level */ + * 1. read from HCPWM 2. driver lowers power level + */ volatile u8 tog; /* toggling */ volatile u8 cpwm_tog; /* toggling */ @@ -170,7 +173,8 @@ struct pwrctrl_priv { u8 ips_mode; u8 ips_mode_req; /* used to accept the mode setting request, - * will update to ipsmode later */ + * will update to ipsmode later + */ uint bips_processing; unsigned long ips_deny_time; /* will deny IPS when system time less than this */ u8 ps_processing; /* temp used to mark whether in rtw_ps_processor */ diff --git a/drivers/staging/rtl8188eu/include/rtw_qos.h b/drivers/staging/rtl8188eu/include/rtw_qos.h index 45a77f6f8427..576dff68d0dc 100644 --- a/drivers/staging/rtl8188eu/include/rtw_qos.h +++ b/drivers/staging/rtl8188eu/include/rtw_qos.h @@ -19,7 +19,8 @@ struct qos_priv { unsigned int qos_option; /* bit mask option: u-apsd, - * s-apsd, ts, block ack... */ + * s-apsd, ts, block ack... + */ }; #endif /* _RTL871X_QOS_H_ */ diff --git a/drivers/staging/rtl8188eu/include/rtw_recv.h b/drivers/staging/rtl8188eu/include/rtw_recv.h index 121150860450..7e85f700acb3 100644 --- a/drivers/staging/rtl8188eu/include/rtw_recv.h +++ b/drivers/staging/rtl8188eu/include/rtw_recv.h @@ -46,23 +46,23 @@ struct recv_reorder_ctrl { struct stainfo_rxcache { u16 tid_rxseq[16]; /* - unsigned short tid0_rxseq; - unsigned short tid1_rxseq; - unsigned short tid2_rxseq; - unsigned short tid3_rxseq; - unsigned short tid4_rxseq; - unsigned short tid5_rxseq; - unsigned short tid6_rxseq; - unsigned short tid7_rxseq; - unsigned short tid8_rxseq; - unsigned short tid9_rxseq; - unsigned short tid10_rxseq; - unsigned short tid11_rxseq; - unsigned short tid12_rxseq; - unsigned short tid13_rxseq; - unsigned short tid14_rxseq; - unsigned short tid15_rxseq; -*/ + * unsigned short tid0_rxseq; + * unsigned short tid1_rxseq; + * unsigned short tid2_rxseq; + * unsigned short tid3_rxseq; + * unsigned short tid4_rxseq; + * unsigned short tid5_rxseq; + * unsigned short tid6_rxseq; + * unsigned short tid7_rxseq; + * unsigned short tid8_rxseq; + * unsigned short tid9_rxseq; + * unsigned short tid10_rxseq; + * unsigned short tid11_rxseq; + * unsigned short tid12_rxseq; + * unsigned short tid13_rxseq; + * unsigned short tid14_rxseq; + * unsigned short tid15_rxseq; + */ }; struct signal_stat { @@ -79,7 +79,8 @@ struct phy_info { u8 RxMIMOSignalStrength[MAX_PATH_NUM_92CS];/* in 0~100 index */ s8 RxPower; /* in dBm Translate from PWdB */ /* Real power in dBm for this packet, no beautification and aggregation. - * Keep this raw info to be used for the other procedures. */ + * Keep this raw info to be used for the other procedures. + */ s8 recvpower; u8 BTRxRSSIPercentage; u8 SignalStrength; /* in 0-100 index. */ @@ -106,7 +107,8 @@ struct rx_pkt_attrib { u8 privacy; /* in frame_ctrl field */ u8 bdecrypted; u8 encrypt; /* when 0 indicate no encrypt. when non-zero, - * indicate the encrypt algorithm */ + * indicate the encrypt algorithm + */ u8 iv_len; u8 icv_len; u8 crc_err; @@ -152,12 +154,12 @@ struct recv_stat { }; /* -accesser of recv_priv: rtw_recv_entry(dispatch / passive level); -recv_thread(passive) ; returnpkt(dispatch) -; halt(passive) ; - -using enter_critical section to protect -*/ + * accesser of recv_priv: rtw_recv_entry(dispatch / passive level); + * recv_thread(passive) ; returnpkt(dispatch) + * ; halt(passive) ; + * + * using enter_critical section to protect + */ struct recv_priv { struct __queue free_recv_queue; struct __queue recv_pending_queue; @@ -209,20 +211,20 @@ struct recv_buf { }; /* - head -----> - - data -----> - - payload - - tail -----> - - - end -----> - - len = (unsigned int )(tail - data); - -*/ + * head -----> + * + * data -----> + * + * payload + * + * tail -----> + * + * + * end -----> + * + * len = (unsigned int )(tail - data); + * + */ struct recv_frame { struct list_head list; struct sk_buff *pkt; @@ -247,7 +249,7 @@ void rtw_free_recvframe_queue(struct __queue *pframequeue, struct __queue *pfree_recv_queue); u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter); -void rtw_reordering_ctrl_timeout_handler(unsigned long data); +void rtw_reordering_ctrl_timeout_handler(struct timer_list *t); static inline s32 translate_percentage_to_dbm(u32 sig_stren_index) { diff --git a/drivers/staging/rtl8188eu/include/rtw_rf.h b/drivers/staging/rtl8188eu/include/rtw_rf.h index 66896af02042..0718a29e7c9d 100644 --- a/drivers/staging/rtl8188eu/include/rtw_rf.h +++ b/drivers/staging/rtl8188eu/include/rtw_rf.h @@ -31,7 +31,8 @@ #define RTL8711_RF_DEF_SENS 4 /* We now define the following channels as the max channels in each - * channel plan. */ + * channel plan. + */ /* 2G, total 14 chnls */ /* {1,2,3,4,5,6,7,8,9,10,11,12,13,14} */ #define MAX_CHANNEL_NUM_2G 14 @@ -65,7 +66,8 @@ enum capability { cChannelAgility = 0x0080, cSpectrumMgnt = 0x0100, cQos = 0x0200, /* For HCCA, use with CF-Pollable - * and CF-PollReq */ + * and CF-PollReq + */ cShortSlotTime = 0x0400, cAPSD = 0x0800, cRM = 0x1000, /* RRM (Radio Request Measurement) */ diff --git a/drivers/staging/rtl8188eu/include/rtw_security.h b/drivers/staging/rtl8188eu/include/rtw_security.h index 74fe664787e5..a0c6cf706218 100644 --- a/drivers/staging/rtl8188eu/include/rtw_security.h +++ b/drivers/staging/rtl8188eu/include/rtw_security.h @@ -100,20 +100,26 @@ struct rt_pmkid_list { struct security_priv { u32 dot11AuthAlgrthm; /* 802.11 auth, could be open, - * shared, 8021x and authswitch */ + * shared, 8021x and authswitch + */ u32 dot11PrivacyAlgrthm; /* This specify the privacy for - * shared auth. algorithm. */ + * shared auth. algorithm. + */ /* WEP */ u32 dot11PrivacyKeyIndex; /* this is only valid for legendary - * wep, 0~3 for key id.(tx key index) */ + * wep, 0~3 for key id.(tx key index) + */ union Keytype dot11DefKey[4]; /* this is only valid for def. key */ u32 dot11DefKeylen[4]; u32 dot118021XGrpPrivacy; /* This specify the privacy algthm. - * used for Grp key */ + * used for Grp key + */ u32 dot118021XGrpKeyid; /* key id used for Grp Key - * ( tx key index) */ + * ( tx key index) + */ union Keytype dot118021XGrpKey[4]; /* 802.1x Group Key, - * for inx0 and inx1 */ + * for inx0 and inx1 + */ union Keytype dot118021XGrptxmickey[4]; union Keytype dot118021XGrprxmickey[4]; union pn48 dot11Grptxpn; /* PN48 used for Grp Key xmit.*/ @@ -134,10 +140,12 @@ struct security_priv { u8 bcheck_grpkey; u8 bgrpkey_handshake; s32 hw_decrypted;/* if the rx packets is hw_decrypted==false,i - * it means the hw has not been ready. */ + * it means the hw has not been ready. + */ /* keeps the auth_type & enc_status from upper layer - * ioctl(wpa_supplicant or wzc) */ + * ioctl(wpa_supplicant or wzc) + */ u32 ndisauthtype; /* NDIS_802_11_AUTHENTICATION_MODE */ u32 ndisencryptstatus; /* NDIS_802_11_ENCRYPTION_STATUS */ struct wlan_bssid_ex sec_bss; /* for joinbss (h2c buffer) usage */ @@ -256,7 +264,8 @@ static inline u32 rotr(u32 val, int bits) /* ===== start - public domain SHA256 implementation ===== */ /* This is based on SHA256 implementation in LibTomCrypt that was released into - * public domain by Tom St Denis. */ + * public domain by Tom St Denis. + */ /* the K array */ static const unsigned long K[64] = { diff --git a/drivers/staging/rtl8188eu/include/rtw_xmit.h b/drivers/staging/rtl8188eu/include/rtw_xmit.h index dd6b7a9a8d4a..b4b3d13ace9e 100644 --- a/drivers/staging/rtl8188eu/include/rtw_xmit.h +++ b/drivers/staging/rtl8188eu/include/rtw_xmit.h @@ -115,11 +115,13 @@ struct pkt_attrib { u16 seqnum; u16 hdrlen; /* the WLAN Header Len */ u32 pktlen; /* the original 802.3 pkt raw_data len (not include - * ether_hdr data) */ + * ether_hdr data) + */ u32 last_txcmdsz; u8 nr_frags; u8 encrypt; /* when 0 indicate no encrypt. when non-zero, - * indicate the encrypt algorith */ + * indicate the encrypt algorith + */ u8 iv_len; u8 icv_len; u8 iv[18]; @@ -234,7 +236,8 @@ struct sta_xmit_priv { spinlock_t lock; int option; int apsd_setting; /* When bit mask is on, the associated edca - * queue supports APSD. */ + * queue supports APSD. + */ struct tx_servq be_q; /* priority == 0,3 */ struct tx_servq bk_q; /* priority == 1,2 */ struct tx_servq vi_q; /* priority == 4,5 */ @@ -280,7 +283,8 @@ struct xmit_priv { u8 hwxmit_entry; u8 wmm_para_seq[4];/* sequence for wmm ac parameter strength * from large to small. it's value is 0->vo, - * 1->vi, 2->be, 3->bk. */ + * 1->vi, 2->be, 3->bk. + */ u8 txirp_cnt;/* */ struct tasklet_struct xmit_tasklet; /* per AC pending irp */ diff --git a/drivers/staging/rtl8188eu/include/sta_info.h b/drivers/staging/rtl8188eu/include/sta_info.h index 42a035123365..8f01deed6e4a 100644 --- a/drivers/staging/rtl8188eu/include/sta_info.h +++ b/drivers/staging/rtl8188eu/include/sta_info.h @@ -126,7 +126,8 @@ struct sta_info { /* Notes: */ /* STA_Mode: */ /* curr_network(mlme_priv/security_priv/qos/ht) + - * sta_info: (STA & AP) CAP/INFO */ + * sta_info: (STA & AP) CAP/INFO + */ /* scan_q: AP CAP/INFO */ /* AP_Mode: */ @@ -184,7 +185,8 @@ struct sta_info { /* ================ODM Relative Info======================= */ /* Please be careful, don't declare too much structure here. - * It will cost memory * STA support num. */ + * It will cost memory * STA support num. + */ /* 2011/10/20 MH Add for ODM STA info. */ /* Driver Write */ u8 bValid; /* record the sta status link or not? */ @@ -318,9 +320,11 @@ struct sta_priv { struct sta_info *sta_aid[NUM_STA]; u16 sta_dz_bitmap;/* only support 15 stations, station aid bitmap - * for sleeping sta. */ + * for sleeping sta. + */ u16 tim_bitmap; /* only support 15 stations, aid=0~15 mapping - * bit0~bit15 */ + * bit0~bit15 + */ u16 max_num_sta; diff --git a/drivers/staging/rtl8188eu/include/wifi.h b/drivers/staging/rtl8188eu/include/wifi.h index cb46d353327b..084a246eec19 100644 --- a/drivers/staging/rtl8188eu/include/wifi.h +++ b/drivers/staging/rtl8188eu/include/wifi.h @@ -35,7 +35,8 @@ /* This value is tested by WiFi 11n Test Plan 5.2.3. */ /* This test verifies the WLAN NIC can update the NAV through sending - * the CTS with large duration. */ + * the CTS with large duration. + */ #define WiFiNavUpperUs 30000 /* 30 ms */ enum WIFI_FRAME_TYPE { @@ -459,14 +460,14 @@ static inline int IsFrameTypeCtrl(unsigned char *pframe) #define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */ /* -#define _NO_PRIVACY_ 0 -#define _WEP_40_PRIVACY_ 1 -#define _TKIP_PRIVACY_ 2 -#define _WRAP_PRIVACY_ 3 -#define _CCMP_PRIVACY_ 4 -#define _WEP_104_PRIVACY_ 5 -#define _WEP_WPA_MIXED_PRIVACY_ 6 WEP + WPA -*/ + * #define _NO_PRIVACY_ 0 + * #define _WEP_40_PRIVACY_ 1 + * #define _TKIP_PRIVACY_ 2 + * #define _WRAP_PRIVACY_ 3 + * #define _CCMP_PRIVACY_ 4 + * #define _WEP_104_PRIVACY_ 5 + * #define _WEP_WPA_MIXED_PRIVACY_ 6 WEP + WPA + */ /*----------------------------------------------------------------------------- Below is the definition for WMM @@ -771,10 +772,12 @@ enum ht_cap_ampdu_factor { #define P2P_PROVISIONING_SCAN_CNT 3 /* default value, used when: (1)p2p disabled or (2)p2p enabled - * but only do 1 scan phase */ + * but only do 1 scan phase + */ #define P2P_FINDPHASE_EX_NONE 0 /* used when p2p enabled and want to do 1 scan phase and - * P2P_FINDPHASE_EX_MAX-1 find phase */ + * P2P_FINDPHASE_EX_MAX-1 find phase + */ #define P2P_FINDPHASE_EX_FULL 1 #define P2P_FINDPHASE_EX_SOCIAL_FIRST (P2P_FINDPHASE_EX_FULL+1) #define P2P_FINDPHASE_EX_MAX 4 diff --git a/drivers/staging/rtl8188eu/include/wlan_bssdef.h b/drivers/staging/rtl8188eu/include/wlan_bssdef.h index e1931dd04da0..d7b25d2f933a 100644 --- a/drivers/staging/rtl8188eu/include/wlan_bssdef.h +++ b/drivers/staging/rtl8188eu/include/wlan_bssdef.h @@ -86,7 +86,8 @@ struct ndis_802_11_var_ie { * + NDIS_802_11_LENGTH_RATES_EX + IELength * * Except the IELength, all other fields are fixed length. - * Therefore, we can define a macro to represent the partial sum. */ + * Therefore, we can define a macro to represent the partial sum. + */ enum ndis_802_11_auth_mode { Ndis802_11AuthModeOpen, @@ -130,7 +131,8 @@ enum ndis_802_11_reload_def { struct ndis_802_11_wep { u32 Length; /* Length of this structure */ u32 KeyIndex; /* 0 is the per-client key, - * 1-N are the global keys */ + * 1-N are the global keys + */ u32 KeyLength; /* length of key in bytes */ u8 KeyMaterial[16];/* variable len depending on above field */ }; @@ -140,7 +142,8 @@ enum ndis_802_11_status_type { Ndis802_11StatusType_MediaStreamMode, Ndis802_11StatusType_PMKID_CandidateList, Ndis802_11StatusTypeMax /* not a real type, defined as - * an upper bound */ + * an upper bound + */ }; /* mask for authentication/integrity fields */ @@ -166,7 +169,8 @@ struct wlan_phy_info { struct wlan_bcn_info { /* these infor get from rtw_get_encrypt_info when - * * translate scan to UI */ + * * translate scan to UI + */ u8 encryp_protocol;/* ENCRYP_PROTOCOL_E: OPEN/WEP/WPA/WPA2/WAPI */ int group_cipher; /* WPA/WPA2 group cipher */ int pairwise_cipher;/* WPA/WPA2/WEP pairwise cipher */ @@ -178,8 +182,8 @@ struct wlan_bcn_info { }; /* temporally add #pragma pack for structure alignment issue of -* struct wlan_bssid_ex and get_struct wlan_bssid_ex_sz() -*/ + * struct wlan_bssid_ex and get_struct wlan_bssid_ex_sz() + */ struct wlan_bssid_ex { u32 Length; unsigned char MacAddress[ETH_ALEN]; @@ -194,7 +198,8 @@ struct wlan_bssid_ex { struct wlan_phy_info PhyInfo; u32 IELength; u8 IEs[MAX_IE_SZ]; /* timestamp, beacon interval, and - * capability information) */ + * capability information) + */ } __packed; static inline uint get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss) @@ -206,7 +211,8 @@ struct wlan_network { struct list_head list; int network_type; /* refer to ieee80211.h for WIRELESS_11A/B/G */ int fixed; /* set fixed when not to be removed - * in site-surveying */ + * in site-surveying + */ unsigned long last_scanned; /* timestamp for the network */ int aid; /* will only be valid when a BSS is joinned. */ int join_res; diff --git a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c index bc756267c7fc..831c1ecc5e28 100644 --- a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c @@ -24,12 +24,10 @@ void rtw_init_mlme_timer(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - setup_timer(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, - (unsigned long)padapter); - setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, - (unsigned long)padapter); - setup_timer(&pmlmepriv->dynamic_chk_timer, - rtw_dynamic_check_timer_handlder, (unsigned long)padapter); + timer_setup(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, 0); + timer_setup(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, 0); + timer_setup(&pmlmepriv->dynamic_chk_timer, + rtw_dynamic_check_timer_handlder, 0); } void rtw_os_indicate_connect(struct adapter *adapter) @@ -125,18 +123,15 @@ void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta) { - setup_timer(&psta->addba_retry_timer, addba_timer_hdl, - (unsigned long)psta); + timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0); } void init_mlme_ext_timer(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - setup_timer(&pmlmeext->survey_timer, survey_timer_hdl, - (unsigned long)padapter); - setup_timer(&pmlmeext->link_timer, link_timer_hdl, - (unsigned long)padapter); + timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0); + timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0); } #ifdef CONFIG_88EU_AP_MODE diff --git a/drivers/staging/rtl8188eu/os_dep/mon.c b/drivers/staging/rtl8188eu/os_dep/mon.c index 37fd52d7364f..225c23fc69dc 100644 --- a/drivers/staging/rtl8188eu/os_dep/mon.c +++ b/drivers/staging/rtl8188eu/os_dep/mon.c @@ -66,34 +66,6 @@ static void mon_recv_decrypted(struct net_device *dev, const u8 *data, netif_rx(skb); } -static void mon_recv_decrypted_recv(struct net_device *dev, const u8 *data, - int data_len) -{ - struct sk_buff *skb; - struct ieee80211_hdr *hdr; - int hdr_len; - - skb = netdev_alloc_skb(dev, data_len); - if (!skb) - return; - memcpy(skb_put(skb, data_len), data, data_len); - - /* - * Frame data is not encrypted. Strip off protection so - * userspace doesn't think that it is. - */ - - hdr = (struct ieee80211_hdr *)skb->data; - hdr_len = ieee80211_hdrlen(hdr->frame_control); - - if (ieee80211_has_protected(hdr->frame_control)) - hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_PROTECTED); - - skb->ip_summed = CHECKSUM_UNNECESSARY; - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); -} - static void mon_recv_encrypted(struct net_device *dev, const u8 *data, int data_len) { @@ -110,6 +82,7 @@ static void mon_recv_encrypted(struct net_device *dev, const u8 *data, void rtl88eu_mon_recv_hook(struct net_device *dev, struct recv_frame *frame) { struct rx_pkt_attrib *attr; + int iv_len, icv_len; int data_len; u8 *data; @@ -122,8 +95,11 @@ void rtl88eu_mon_recv_hook(struct net_device *dev, struct recv_frame *frame) data = frame->pkt->data; data_len = frame->pkt->len; + /* Broadcast and multicast frames don't have attr->{iv,icv}_len set */ + SET_ICE_IV_LEN(iv_len, icv_len, attr->encrypt); + if (attr->bdecrypted) - mon_recv_decrypted_recv(dev, data, data_len); + mon_recv_decrypted(dev, data, data_len, iv_len, icv_len); else mon_recv_encrypted(dev, data, data_len); } diff --git a/drivers/staging/rtl8188eu/os_dep/recv_linux.c b/drivers/staging/rtl8188eu/os_dep/recv_linux.c index d14bc2b68d98..bda4ab879f58 100644 --- a/drivers/staging/rtl8188eu/os_dep/recv_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/recv_linux.c @@ -155,7 +155,6 @@ _recv_indicatepkt_drop: void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl) { - setup_timer(&preorder_ctrl->reordering_ctrl_timer, - rtw_reordering_ctrl_timeout_handler, - (unsigned long)preorder_ctrl); + timer_setup(&preorder_ctrl->reordering_ctrl_timer, + rtw_reordering_ctrl_timeout_handler, 0); } diff --git a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c index 64397b6f1248..7e75030475f7 100644 --- a/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c @@ -407,6 +407,7 @@ static void usb_read_port_complete(struct urb *purb, struct pt_regs *regs) case -ENODEV: case -ESHUTDOWN: adapt->bSurpriseRemoved = true; + /* fall through */ case -ENOENT: adapt->bDriverStopped = true; RT_TRACE(_module_hci_ops_os_c_, _drv_err_, ("usb_read_port_complete:bDriverStopped=true\n")); diff --git a/drivers/staging/rtl8192e/Makefile b/drivers/staging/rtl8192e/Makefile index 7101fcc8871b..6af519938868 100644 --- a/drivers/staging/rtl8192e/Makefile +++ b/drivers/staging/rtl8192e/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 rtllib-objs := \ dot11d.o \ rtllib_module.o \ diff --git a/drivers/staging/rtl8192e/dot11d.c b/drivers/staging/rtl8192e/dot11d.c index 017fe04ebe2d..88f89d77b511 100644 --- a/drivers/staging/rtl8192e/dot11d.c +++ b/drivers/staging/rtl8192e/dot11d.c @@ -128,12 +128,16 @@ void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr, pTriple = (struct chnl_txpow_triple *)(pCoutryIe + 3); for (i = 0; i < NumTriples; i++) { if (MaxChnlNum >= pTriple->FirstChnl) { - netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n"); + netdev_info(dev->dev, + "%s: Invalid country IE, skip it......1\n", + __func__); return; } if (MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls)) { - netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n"); + netdev_info(dev->dev, + "%s: Invalid country IE, skip it......2\n", + __func__); return; } diff --git a/drivers/staging/rtl8192e/rtl8192e/Makefile b/drivers/staging/rtl8192e/rtl8192e/Makefile index 176a4a2b8b20..75e6ec510555 100644 --- a/drivers/staging/rtl8192e/rtl8192e/Makefile +++ b/drivers/staging/rtl8192e/rtl8192e/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 r8192e_pci-objs := \ r8192E_dev.o \ r8192E_phy.o \ diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index aca52654825b..d2605158546b 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -85,7 +85,7 @@ static struct pci_driver rtl8192_pci_driver = { static short _rtl92e_is_tx_queue_empty(struct net_device *dev); static void _rtl92e_watchdog_wq_cb(void *data); -static void _rtl92e_watchdog_timer_cb(unsigned long data); +static void _rtl92e_watchdog_timer_cb(struct timer_list *t); static void _rtl92e_hard_data_xmit(struct sk_buff *skb, struct net_device *dev, int rate); static int _rtl92e_hard_start_xmit(struct sk_buff *skb, struct net_device *dev); @@ -766,12 +766,12 @@ static int _rtl92e_sta_up(struct net_device *dev, bool is_silent_reset) priv->bfirst_init = false; if (priv->polling_timer_on == 0) - rtl92e_check_rfctrl_gpio_timer((unsigned long)dev); + rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer); if (priv->rtllib->state != RTLLIB_LINKED) rtllib_softmac_start_protocol(priv->rtllib, 0); rtllib_reset_queue(priv->rtllib); - _rtl92e_watchdog_timer_cb((unsigned long)dev); + _rtl92e_watchdog_timer_cb(&priv->watch_dog_timer); if (!netif_queue_stopped(dev)) netif_start_queue(dev); @@ -1075,13 +1075,10 @@ static short _rtl92e_init(struct net_device *dev) rtl92e_dm_init(dev); - setup_timer(&priv->watch_dog_timer, - _rtl92e_watchdog_timer_cb, - (unsigned long)dev); + timer_setup(&priv->watch_dog_timer, _rtl92e_watchdog_timer_cb, 0); - setup_timer(&priv->gpio_polling_timer, - rtl92e_check_rfctrl_gpio_timer, - (unsigned long)dev); + timer_setup(&priv->gpio_polling_timer, rtl92e_check_rfctrl_gpio_timer, + 0); rtl92e_irq_disable(dev); if (request_irq(dev->irq, _rtl92e_irq, IRQF_SHARED, dev->name, dev)) { @@ -1531,9 +1528,9 @@ static void _rtl92e_watchdog_wq_cb(void *data) RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n"); } -static void _rtl92e_watchdog_timer_cb(unsigned long data) +static void _rtl92e_watchdog_timer_cb(struct timer_list *t) { - struct r8192_priv *priv = rtllib_priv((struct net_device *)data); + struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer); schedule_delayed_work(&priv->watch_dog_wq, 0); mod_timer(&priv->watch_dog_timer, jiffies + @@ -2535,7 +2532,7 @@ static int _rtl92e_pci_probe(struct pci_dev *pdev, RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name); if (priv->polling_timer_on == 0) - rtl92e_check_rfctrl_gpio_timer((unsigned long)dev); + rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer); RT_TRACE(COMP_INIT, "Driver probe completed\n"); return 0; @@ -2648,9 +2645,9 @@ bool rtl92e_disable_nic(struct net_device *dev) module_pci_driver(rtl8192_pci_driver); -void rtl92e_check_rfctrl_gpio_timer(unsigned long data) +void rtl92e_check_rfctrl_gpio_timer(struct timer_list *t) { - struct r8192_priv *priv = rtllib_priv((struct net_device *)data); + struct r8192_priv *priv = from_timer(priv, t, gpio_polling_timer); priv->polling_timer_on = 1; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h index 9d3089cb6a5a..866fe4d4cb28 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h @@ -587,7 +587,7 @@ void rtl92e_tx_enable(struct net_device *); void rtl92e_hw_sleep_wq(void *data); void rtl92e_commit(struct net_device *dev); -void rtl92e_check_rfctrl_gpio_timer(unsigned long data); +void rtl92e_check_rfctrl_gpio_timer(struct timer_list *t); void rtl92e_hw_wakeup_wq(void *data); diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c index b8205ebafd72..9bf95bd0ad13 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c @@ -196,7 +196,7 @@ static void _rtl92e_dm_check_txrateandretrycount(struct net_device *dev); static void _rtl92e_dm_check_ac_dc_power(struct net_device *dev); static void _rtl92e_dm_check_fsync(struct net_device *dev); static void _rtl92e_dm_check_rf_ctrl_gpio(void *data); -static void _rtl92e_dm_fsync_timer_callback(unsigned long data); +static void _rtl92e_dm_fsync_timer_callback(struct timer_list *t); /*---------------------Define local function prototype-----------------------*/ @@ -2125,8 +2125,7 @@ static void _rtl92e_dm_init_fsync(struct net_device *dev) priv->rtllib->fsync_state = Default_Fsync; priv->framesyncMonitor = 1; - setup_timer(&priv->fsync_timer, _rtl92e_dm_fsync_timer_callback, - (unsigned long)dev); + timer_setup(&priv->fsync_timer, _rtl92e_dm_fsync_timer_callback, 0); } @@ -2137,10 +2136,10 @@ static void _rtl92e_dm_deinit_fsync(struct net_device *dev) del_timer_sync(&priv->fsync_timer); } -static void _rtl92e_dm_fsync_timer_callback(unsigned long data) +static void _rtl92e_dm_fsync_timer_callback(struct timer_list *t) { - struct net_device *dev = (struct net_device *)data; - struct r8192_priv *priv = rtllib_priv((struct net_device *)data); + struct r8192_priv *priv = from_timer(priv, t, fsync_timer); + struct net_device *dev = priv->rtllib->dev; u32 rate_index, rate_count = 0, rate_count_diff = 0; bool bSwitchFromCountDiff = false; bool bDoubleTimeInterval = false; diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c b/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c index 3e3273d3e043..81a68b0b4a7f 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c @@ -91,7 +91,7 @@ int rtl92e_resume(struct pci_dev *pdev) pci_enable_wake(pdev, PCI_D0, 0); if (priv->polling_timer_on == 0) - rtl92e_check_rfctrl_gpio_timer((unsigned long)dev); + rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer); if (!netif_running(dev)) { netdev_info(dev, diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c b/drivers/staging/rtl8192e/rtl819x_BAProc.c index 1720e1b6ae04..eb6d841f7c45 100644 --- a/drivers/staging/rtl8192e/rtl819x_BAProc.c +++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c @@ -528,18 +528,20 @@ void TsInitDelBA(struct rtllib_device *ieee, } } -void BaSetupTimeOut(unsigned long data) +void BaSetupTimeOut(struct timer_list *t) { - struct tx_ts_record *pTxTs = (struct tx_ts_record *)data; + struct tx_ts_record *pTxTs = from_timer(pTxTs, t, + TxPendingBARecord.Timer); pTxTs->bAddBaReqInProgress = false; pTxTs->bAddBaReqDelayed = true; pTxTs->TxPendingBARecord.bValid = false; } -void TxBaInactTimeout(unsigned long data) +void TxBaInactTimeout(struct timer_list *t) { - struct tx_ts_record *pTxTs = (struct tx_ts_record *)data; + struct tx_ts_record *pTxTs = from_timer(pTxTs, t, + TxAdmittedBARecord.Timer); struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device, TxTsRecord[pTxTs->num]); TxTsDeleteBA(ieee, pTxTs); @@ -548,9 +550,10 @@ void TxBaInactTimeout(unsigned long data) DELBA_REASON_TIMEOUT); } -void RxBaInactTimeout(unsigned long data) +void RxBaInactTimeout(struct timer_list *t) { - struct rx_ts_record *pRxTs = (struct rx_ts_record *)data; + struct rx_ts_record *pRxTs = from_timer(pRxTs, t, + RxAdmittedBARecord.Timer); struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device, RxTsRecord[pRxTs->num]); diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c b/drivers/staging/rtl8192e/rtl819x_TSProc.c index dcc4eb691889..f839d2447b85 100644 --- a/drivers/staging/rtl8192e/rtl819x_TSProc.c +++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c @@ -16,17 +16,18 @@ #include <linux/etherdevice.h> #include "rtl819x_TS.h" -static void TsSetupTimeOut(unsigned long data) +static void TsSetupTimeOut(struct timer_list *unused) { } -static void TsInactTimeout(unsigned long data) +static void TsInactTimeout(struct timer_list *unused) { } -static void RxPktPendingTimeout(unsigned long data) +static void RxPktPendingTimeout(struct timer_list *t) { - struct rx_ts_record *pRxTs = (struct rx_ts_record *)data; + struct rx_ts_record *pRxTs = from_timer(pRxTs, t, + RxPktPendingTimer); struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device, RxTsRecord[pRxTs->num]); @@ -96,9 +97,9 @@ static void RxPktPendingTimeout(unsigned long data) spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags); } -static void TsAddBaProcess(unsigned long data) +static void TsAddBaProcess(struct timer_list *t) { - struct tx_ts_record *pTxTs = (struct tx_ts_record *)data; + struct tx_ts_record *pTxTs = from_timer(pTxTs, t, TsAddBaTimer); u8 num = pTxTs->num; struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device, TxTsRecord[num]); @@ -150,24 +151,18 @@ void TSInitialize(struct rtllib_device *ieee) for (count = 0; count < TOTAL_TS_NUM; count++) { pTxTS->num = count; - setup_timer(&pTxTS->TsCommonInfo.SetupTimer, - TsSetupTimeOut, - (unsigned long) pTxTS); + timer_setup(&pTxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut, + 0); - setup_timer(&pTxTS->TsCommonInfo.InactTimer, - TsInactTimeout, - (unsigned long) pTxTS); + timer_setup(&pTxTS->TsCommonInfo.InactTimer, TsInactTimeout, + 0); - setup_timer(&pTxTS->TsAddBaTimer, - TsAddBaProcess, - (unsigned long) pTxTS); + timer_setup(&pTxTS->TsAddBaTimer, TsAddBaProcess, 0); - setup_timer(&pTxTS->TxPendingBARecord.Timer, - BaSetupTimeOut, - (unsigned long) pTxTS); - setup_timer(&pTxTS->TxAdmittedBARecord.Timer, - TxBaInactTimeout, - (unsigned long) pTxTS); + timer_setup(&pTxTS->TxPendingBARecord.Timer, BaSetupTimeOut, + 0); + timer_setup(&pTxTS->TxAdmittedBARecord.Timer, + TxBaInactTimeout, 0); ResetTxTsEntry(pTxTS); list_add_tail(&pTxTS->TsCommonInfo.List, @@ -182,21 +177,16 @@ void TSInitialize(struct rtllib_device *ieee) pRxTS->num = count; INIT_LIST_HEAD(&pRxTS->RxPendingPktList); - setup_timer(&pRxTS->TsCommonInfo.SetupTimer, - TsSetupTimeOut, - (unsigned long) pRxTS); + timer_setup(&pRxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut, + 0); - setup_timer(&pRxTS->TsCommonInfo.InactTimer, - TsInactTimeout, - (unsigned long) pRxTS); + timer_setup(&pRxTS->TsCommonInfo.InactTimer, TsInactTimeout, + 0); - setup_timer(&pRxTS->RxAdmittedBARecord.Timer, - RxBaInactTimeout, - (unsigned long) pRxTS); + timer_setup(&pRxTS->RxAdmittedBARecord.Timer, + RxBaInactTimeout, 0); - setup_timer(&pRxTS->RxPktPendingTimer, - RxPktPendingTimeout, - (unsigned long) pRxTS); + timer_setup(&pRxTS->RxPktPendingTimer, RxPktPendingTimeout, 0); ResetRxTsEntry(pRxTS); list_add_tail(&pRxTS->TsCommonInfo.List, diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h index 0042a0f6cf79..c01474a6db1e 100644 --- a/drivers/staging/rtl8192e/rtllib.h +++ b/drivers/staging/rtl8192e/rtllib.h @@ -2113,9 +2113,9 @@ void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS, void TsInitDelBA(struct rtllib_device *ieee, struct ts_common_info *pTsCommonInfo, enum tr_select TxRxSelect); -void BaSetupTimeOut(unsigned long data); -void TxBaInactTimeout(unsigned long data); -void RxBaInactTimeout(unsigned long data); +void BaSetupTimeOut(struct timer_list *t); +void TxBaInactTimeout(struct timer_list *t); +void RxBaInactTimeout(struct timer_list *t); void ResetBaEntry(struct ba_record *pBA); bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr, u8 TID, enum tr_select TxRxSelect, bool bAddNewTs); diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index e4be85af31e7..c2b9ffba354a 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -393,10 +393,10 @@ static void rtllib_send_beacon(struct rtllib_device *ieee) } -static void rtllib_send_beacon_cb(unsigned long _ieee) +static void rtllib_send_beacon_cb(struct timer_list *t) { struct rtllib_device *ieee = - (struct rtllib_device *) _ieee; + from_timer(ieee, t, beacon_timer); unsigned long flags; spin_lock_irqsave(&ieee->beacon_lock, flags); @@ -1427,9 +1427,11 @@ static void rtllib_associate_abort(struct rtllib_device *ieee) spin_unlock_irqrestore(&ieee->lock, flags); } -static void rtllib_associate_abort_cb(unsigned long dev) +static void rtllib_associate_abort_cb(struct timer_list *t) { - rtllib_associate_abort((struct rtllib_device *) dev); + struct rtllib_device *dev = from_timer(dev, t, associate_timer); + + rtllib_associate_abort(dev); } static void rtllib_associate_step1(struct rtllib_device *ieee, u8 *daddr) @@ -2811,8 +2813,9 @@ exit: static struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee) { - const u8 broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - + static const u8 broadcast_addr[] = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff + }; struct sk_buff *skb; struct rtllib_probe_response *b; @@ -3011,13 +3014,9 @@ void rtllib_softmac_init(struct rtllib_device *ieee) ieee->tx_pending.txb = NULL; - setup_timer(&ieee->associate_timer, - rtllib_associate_abort_cb, - (unsigned long) ieee); + timer_setup(&ieee->associate_timer, rtllib_associate_abort_cb, 0); - setup_timer(&ieee->beacon_timer, - rtllib_send_beacon_cb, - (unsigned long) ieee); + timer_setup(&ieee->beacon_timer, rtllib_send_beacon_cb, 0); INIT_DELAYED_WORK_RSL(&ieee->link_change_wq, (void *)rtllib_link_change_wq, ieee); diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c index f7eba01b5d15..03fbff067fa4 100644 --- a/drivers/staging/rtl8192e/rtllib_wx.c +++ b/drivers/staging/rtl8192e/rtllib_wx.c @@ -694,8 +694,7 @@ int rtllib_wx_set_mlme(struct rtllib_device *ieee, switch (mlme->cmd) { case IW_MLME_DEAUTH: deauth = true; - /* leave break out intentionly */ - + /* fall through */ case IW_MLME_DISASSOC: if (deauth) netdev_info(ieee->dev, "disauth packet !\n"); diff --git a/drivers/staging/rtl8192u/Makefile b/drivers/staging/rtl8192u/Makefile index 703c1505ea5f..3022728a364c 100644 --- a/drivers/staging/rtl8192u/Makefile +++ b/drivers/staging/rtl8192u/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 NIC_SELECT = RTL8192U ccflags-y := -std=gnu89 diff --git a/drivers/staging/rtl8192u/ieee80211/Makefile b/drivers/staging/rtl8192u/ieee80211/Makefile index 9e3f432e5355..0d4d6489f767 100644 --- a/drivers/staging/rtl8192u/ieee80211/Makefile +++ b/drivers/staging/rtl8192u/ieee80211/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 NIC_SELECT = RTL8192U ccflags-y := -O2 diff --git a/drivers/staging/rtl8192u/ieee80211/dot11d.c b/drivers/staging/rtl8192u/ieee80211/dot11d.c index 00b6052fbbac..64b13a5da3cb 100644 --- a/drivers/staging/rtl8192u/ieee80211/dot11d.c +++ b/drivers/staging/rtl8192u/ieee80211/dot11d.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Implement 802.11d. */ #include "dot11d.h" diff --git a/drivers/staging/rtl8192u/ieee80211/dot11d.h b/drivers/staging/rtl8192u/ieee80211/dot11d.h index 8ae673b217d8..88bc298305bd 100644 --- a/drivers/staging/rtl8192u/ieee80211/dot11d.h +++ b/drivers/staging/rtl8192u/ieee80211/dot11d.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INC_DOT11D_H #define __INC_DOT11D_H diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h index b062cad052b9..3addaa65085a 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h @@ -323,7 +323,7 @@ typedef struct ieee_param { u8 key[0]; } crypt; } u; -}ieee_param; +} ieee_param; // linux under 2.6.9 release may not support it, so modify it for common use @@ -412,15 +412,15 @@ typedef struct ieee_param { #define IEEE80211_QCTL_TID 0x000F #define FC_QOS_BIT BIT(7) -#define IsDataFrame(pdu) ( ((pdu[0] & 0x0C)==0x08) ? true : false ) -#define IsLegacyDataFrame(pdu) (IsDataFrame(pdu) && (!(pdu[0]&FC_QOS_BIT)) ) +#define IsDataFrame(pdu) (((pdu[0] & 0x0C) == 0x08) ? true : false) +#define IsLegacyDataFrame(pdu) (IsDataFrame(pdu) && (!(pdu[0] & FC_QOS_BIT))) //added by wb. Is this right? -#define IsQoSDataFrame(pframe) ((*(u16 *)pframe&(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) == (IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) -#define Frame_Order(pframe) (*(u16 *)pframe&IEEE80211_FCTL_ORDER) -#define SN_LESS(a, b) (((a-b)&0x800)!=0) +#define IsQoSDataFrame(pframe) ((*(u16 *)pframe & (IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA)) == (IEEE80211_STYPE_QOS_DATA | IEEE80211_FTYPE_DATA)) +#define Frame_Order(pframe) (*(u16 *)pframe & IEEE80211_FCTL_ORDER) +#define SN_LESS(a, b) (((a - b) & 0x800) != 0) #define SN_EQUAL(a, b) (a == b) #define MAX_DEV_ADDR_SIZE 8 -typedef enum _ACT_CATEGORY{ +typedef enum _ACT_CATEGORY { ACT_CAT_QOS = 1, ACT_CAT_DLS = 2, ACT_CAT_BA = 3, @@ -428,24 +428,24 @@ typedef enum _ACT_CATEGORY{ ACT_CAT_WMM = 17, } ACT_CATEGORY, *PACT_CATEGORY; -typedef enum _TS_ACTION{ +typedef enum _TS_ACTION { ACT_ADDTSREQ = 0, ACT_ADDTSRSP = 1, ACT_DELTS = 2, ACT_SCHEDULE = 3, } TS_ACTION, *PTS_ACTION; -typedef enum _BA_ACTION{ +typedef enum _BA_ACTION { ACT_ADDBAREQ = 0, ACT_ADDBARSP = 1, ACT_DELBA = 2, } BA_ACTION, *PBA_ACTION; -typedef enum _InitialGainOpType{ - IG_Backup=0, +typedef enum _InitialGainOpType { + IG_Backup = 0, IG_Restore, IG_Max -}InitialGainOpType; +} InitialGainOpType; /* debug macros */ #define CONFIG_IEEE80211_DEBUG @@ -457,22 +457,22 @@ do { if (ieee80211_debug_level & (level)) \ //wb added to debug out data buf //if you want print DATA buffer related BA, please set ieee80211_debug_level to DATA|BA #define IEEE80211_DEBUG_DATA(level, data, datalen) \ - do{ if ((ieee80211_debug_level & (level)) == (level)) \ + do { if ((ieee80211_debug_level & (level)) == (level)) \ { \ int i; \ u8 *pdata = (u8 *) data; \ printk(KERN_DEBUG "ieee80211: %s()\n", __func__); \ - for(i=0; i<(int)(datalen); i++) \ + for (i = 0; i < (int)(datalen); i++) \ { \ printk("%2x ", pdata[i]); \ - if ((i+1)%16 == 0) printk("\n"); \ + if ((i + 1) % 16 == 0) printk("\n"); \ } \ printk("\n"); \ } \ } while (0) #else -#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) -#define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0) +#define IEEE80211_DEBUG (level, fmt, args...) do {} while (0) +#define IEEE80211_DEBUG_DATA (level, data, datalen) do {} while(0) #endif /* CONFIG_IEEE80211_DEBUG */ /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */ @@ -876,9 +876,9 @@ enum ieee80211_mfie { MFIE_TYPE_ERP = 42, MFIE_TYPE_RSN = 48, MFIE_TYPE_RATES_EX = 50, - MFIE_TYPE_HT_CAP= 45, - MFIE_TYPE_HT_INFO= 61, - MFIE_TYPE_AIRONET=133, + MFIE_TYPE_HT_CAP = 45, + MFIE_TYPE_HT_INFO = 61, + MFIE_TYPE_AIRONET = 133, MFIE_TYPE_GENERIC = 221, MFIE_TYPE_QOS_PARAMETER = 222, }; @@ -1051,7 +1051,7 @@ typedef union _frameqos { u16 ack_policy:2; u16 reserved:1; u16 txop:8; - }field; + } field; } frameqos, *pframeqos; /* SWEEP TABLE ENTRIES NUMBER*/ @@ -1196,7 +1196,7 @@ static inline u8 Frame_QoSTID(u8 *buf) u16 fc; hdr = (struct rtl_80211_hdr_3addr *)buf; fc = le16_to_cpu(hdr->frame_ctl); - return (u8)((frameqos *)(buf + (((fc & IEEE80211_FCTL_TODS)&&(fc & IEEE80211_FCTL_FROMDS))? 30 : 24)))->field.tid; + return (u8)((frameqos *)(buf + (((fc & IEEE80211_FCTL_TODS) && (fc & IEEE80211_FCTL_FROMDS)) ? 30 : 24)))->field.tid; } //added by amy for reorder @@ -1209,7 +1209,7 @@ struct eapol { u16 length; } __packed; -struct ieee80211_softmac_stats{ +struct ieee80211_softmac_stats { unsigned int rx_ass_ok; unsigned int rx_ass_err; unsigned int rx_probe_rq; @@ -1320,7 +1320,7 @@ struct ether_header { #define ETHERTYPE_IP 0x0800 /* IP protocol */ #endif -typedef enum _erp_t{ +typedef enum _erp_t { ERP_NonERPpresent = 0x01, ERP_UseProtection = 0x02, ERP_BarkerPreambleMode = 0x04, @@ -1479,37 +1479,35 @@ typedef struct _RX_REORDER_ENTRY { struct ieee80211_rxb *prxb; } RX_REORDER_ENTRY, *PRX_REORDER_ENTRY; //added by amy for order -typedef enum _Fsync_State{ +typedef enum _Fsync_State { Default_Fsync, HW_Fsync, SW_Fsync -}Fsync_State; +} Fsync_State; // Power save mode configured. -typedef enum _RT_PS_MODE -{ +typedef enum _RT_PS_MODE { eActive, // Active/Continuous access. eMaxPs, // Max power save mode. eFastPs // Fast power save mode. -}RT_PS_MODE; +} RT_PS_MODE; -typedef enum _IPS_CALLBACK_FUNCION -{ +typedef enum _IPS_CALLBACK_FUNCION { IPS_CALLBACK_NONE = 0, IPS_CALLBACK_MGNT_LINK_REQUEST = 1, IPS_CALLBACK_JOIN_REQUEST = 2, -}IPS_CALLBACK_FUNCION; +} IPS_CALLBACK_FUNCION; -typedef enum _RT_JOIN_ACTION{ +typedef enum _RT_JOIN_ACTION { RT_JOIN_INFRA = 1, RT_JOIN_IBSS = 2, RT_START_IBSS = 3, RT_NO_ACTION = 4, -}RT_JOIN_ACTION; +} RT_JOIN_ACTION; -typedef struct _IbssParms{ +typedef struct _IbssParms { u16 atimWin; -}IbssParms, *PIbssParms; +} IbssParms, *PIbssParms; #define MAX_NUM_RATES 264 // Max num of support rates element: 8, Max num of ext. support rate: 255. 061122, by rcnjko. // RF state. @@ -1517,7 +1515,7 @@ typedef enum _RT_RF_POWER_STATE { eRfOn, eRfSleep, eRfOff -}RT_RF_POWER_STATE; +} RT_RF_POWER_STATE; typedef struct _RT_POWER_SAVE_CONTROL { @@ -1572,8 +1570,7 @@ typedef u32 RT_RF_CHANGE_SOURCE; #define RF_CHANGE_BY_IPS BIT(28) #define RF_CHANGE_BY_INIT 0 // Do not change the RFOff reason. Defined by Bruce, 2008-01-17. -typedef enum -{ +typedef enum { COUNTRY_CODE_FCC = 0, COUNTRY_CODE_IC = 1, COUNTRY_CODE_ETSI = 2, @@ -1585,10 +1582,10 @@ typedef enum COUNTRY_CODE_TELEC, COUNTRY_CODE_MIC, COUNTRY_CODE_GLOBAL_DOMAIN -}country_code_type_t; +} country_code_type_t; #define RT_MAX_LD_SLOT_NUM 10 -typedef struct _RT_LINK_DETECT_T{ +typedef struct _RT_LINK_DETECT_T { u32 NumRecvBcnInPeriod; u32 NumRecvDataInPeriod; @@ -1601,7 +1598,7 @@ typedef struct _RT_LINK_DETECT_T{ u32 NumTxOkInPeriod; u32 NumRxOkInPeriod; bool bBusyTraffic; -}RT_LINK_DETECT_T, *PRT_LINK_DETECT_T; +} RT_LINK_DETECT_T, *PRT_LINK_DETECT_T; struct ieee80211_device { @@ -1917,11 +1914,11 @@ struct ieee80211_device { struct net_device *dev); int (*reset_port)(struct net_device *dev); - int (*is_queue_full) (struct net_device *dev, int pri); + int (*is_queue_full)(struct net_device *dev, int pri); - int (*handle_management) (struct net_device *dev, + int (*handle_management)(struct net_device *dev, struct ieee80211_network *network, u16 type); - int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb); + int (*is_qos_active)(struct net_device *dev, struct sk_buff *skb); /* Softmac-generated frames (management) are TXed via this * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is @@ -1989,16 +1986,16 @@ struct ieee80211_device { * stop_send_bacons is NOT guaranteed to be called only * after start_send_beacons. */ - void (*start_send_beacons) (struct net_device *dev,u16 tx_rate); - void (*stop_send_beacons) (struct net_device *dev); + void (*start_send_beacons)(struct net_device *dev, u16 tx_rate); + void (*stop_send_beacons)(struct net_device *dev); /* power save mode related */ - void (*sta_wake_up) (struct net_device *dev); - void (*ps_request_tx_ack) (struct net_device *dev); - void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl); - short (*ps_is_queue_empty) (struct net_device *dev); - int (*handle_beacon) (struct net_device *dev, struct ieee80211_beacon *beacon, struct ieee80211_network *network); - int (*handle_assoc_response) (struct net_device *dev, struct ieee80211_assoc_response_frame *resp, struct ieee80211_network *network); + void (*sta_wake_up)(struct net_device *dev); + void (*ps_request_tx_ack)(struct net_device *dev); + void (*enter_sleep_state)(struct net_device *dev, u32 th, u32 tl); + short (*ps_is_queue_empty)(struct net_device *dev); + int (*handle_beacon)(struct net_device *dev, struct ieee80211_beacon *beacon, struct ieee80211_network *network); + int (*handle_assoc_response)(struct net_device *dev, struct ieee80211_assoc_response_frame *resp, struct ieee80211_network *network); /* check whether Tx hw resource available */ @@ -2023,7 +2020,7 @@ struct ieee80211_device { #define IEEE_G (1<<2) #define IEEE_N_24G (1<<4) #define IEEE_N_5G (1<<5) -#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) +#define IEEE_MODE_MASK (IEEE_A | IEEE_B | IEEE_G) /* Generate a 802.11 header */ @@ -2112,7 +2109,7 @@ static inline int ieee80211_get_hdrlen(u16 fc) case IEEE80211_FTYPE_DATA: if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) hdrlen = IEEE80211_4ADDR_LEN; /* Addr4 */ - if(IEEE80211_QOS_HAS_SEQ(fc)) + if (IEEE80211_QOS_HAS_SEQ(fc)) hdrlen += 2; /* QOS ctrl*/ break; case IEEE80211_FTYPE_CTL: @@ -2379,7 +2376,7 @@ void HTUpdateSelfAndPeerSetting(struct ieee80211_device *ieee, u8 HTGetHighestMCSRate(struct ieee80211_device *ieee, u8 *pMCSRateSet, u8 *pMCSFilter); extern u8 MCS_FILTER_ALL[]; -extern u16 MCS_DATA_RATE[2][2][77] ; +extern u16 MCS_DATA_RATE[2][2][77]; u8 HTCCheck(struct ieee80211_device *ieee, u8 *pFrame); //extern void HTSetConnectBwModeCallback(unsigned long data); void HTResetIOTSetting(PRT_HIGH_THROUGHPUT pHTInfo); @@ -2395,9 +2392,9 @@ void TsInitAddBA(struct ieee80211_device *ieee, PTX_TS_RECORD pTS, u8 Policy, u8 bOverwritePending); void TsInitDelBA(struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, TR_SELECT TxRxSelect); -void BaSetupTimeOut(unsigned long data); -void TxBaInactTimeout(unsigned long data); -void RxBaInactTimeout(unsigned long data); +void BaSetupTimeOut(struct timer_list *t); +void TxBaInactTimeout(struct timer_list *t); +void RxBaInactTimeout(struct timer_list *t); void ResetBaEntry(PBA_RECORD pBA); //function in TS.c bool GetTs( @@ -2426,7 +2423,8 @@ static inline int ieee80211_get_scans(struct ieee80211_device *ieee) return ieee->scans; } -static inline const char *escape_essid(const char *essid, u8 essid_len) { +static inline const char *escape_essid(const char *essid, u8 essid_len) +{ static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; if (ieee80211_is_empty_essid(essid, essid_len)) { diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c index 48e80be90ba5..6f457812e5a3 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.c @@ -57,9 +57,9 @@ void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, } } -void ieee80211_crypt_deinit_handler(unsigned long data) +void ieee80211_crypt_deinit_handler(struct timer_list *t) { - struct ieee80211_device *ieee = (struct ieee80211_device *)data; + struct ieee80211_device *ieee = from_timer(ieee, t, crypt_deinit_timer); unsigned long flags; spin_lock_irqsave(&ieee->lock, flags); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.h b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.h index a0aa0f5be63a..1f2aea7e0e55 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.h +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt.h @@ -83,7 +83,7 @@ int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops); int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops); struct ieee80211_crypto_ops *ieee80211_get_crypto_ops(const char *name); void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, int force); -void ieee80211_crypt_deinit_handler(unsigned long data); +void ieee80211_crypt_deinit_handler(struct timer_list *t); void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, struct ieee80211_crypt_data **crypt); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c index 8f236b332a47..90a097f2cd4e 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c @@ -133,8 +133,8 @@ struct net_device *alloc_ieee80211(int sizeof_priv) ieee->ieee802_1x = 1; /* Default to supporting 802.1x */ INIT_LIST_HEAD(&ieee->crypt_deinit_list); - setup_timer(&ieee->crypt_deinit_timer, - ieee80211_crypt_deinit_handler, (unsigned long)ieee); + timer_setup(&ieee->crypt_deinit_timer, ieee80211_crypt_deinit_handler, + 0); spin_lock_init(&ieee->lock); spin_lock_init(&ieee->wpax_suitlist_lock); diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index fe6f38b7ec35..4e7908322d77 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -2948,8 +2948,9 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, struct ieee_param *param, int param_len) { int ret = 0; + const char *module = NULL; - struct ieee80211_crypto_ops *ops; + struct ieee80211_crypto_ops *ops = NULL; struct ieee80211_crypt_data **crypt; struct ieee80211_security sec = { @@ -2995,19 +2996,17 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, strcmp(param->u.crypt.alg, "TKIP")) goto skip_host_crypt; - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { - request_module("ieee80211_crypt_wep"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place - } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { - request_module("ieee80211_crypt_tkip"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { - request_module("ieee80211_crypt_ccmp"); - ops = ieee80211_get_crypto_ops(param->u.crypt.alg); - } - if (ops == NULL) { + //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place + if (!strcmp(param->u.crypt.alg, "WEP")) + module = "ieee80211_crypt_wep"; + else if (!strcmp(param->u.crypt.alg, "TKIP")) + module = "ieee80211_crypt_tkip"; + else if (!strcmp(param->u.crypt.alg, "CCMP")) + module = "ieee80211_crypt_ccmp"; + if (module) + ops = try_then_request_module(ieee80211_get_crypto_ops(param->u.crypt.alg), + module); + if (!ops) { printk("unknown crypto alg '%s'\n", param->u.crypt.alg); param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; ret = -EINVAL; diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c index f58971a4a2e3..9a1a84548bc6 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c @@ -302,7 +302,6 @@ ieee80211_classify(struct sk_buff *skb, struct ieee80211_network *network) } } -#define SN_LESS(a, b) (((a-b)&0x800)!=0) static void ieee80211_tx_query_agg_cap(struct ieee80211_device *ieee, struct sk_buff *skb, struct cb_desc *tcb_desc) { diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c index c925e53bf013..f2fcdec9bd17 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c @@ -364,11 +364,8 @@ int ieee80211_wx_set_encode(struct ieee80211_device *ieee, GFP_KERNEL); if (!new_crypt) return -ENOMEM; - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } + new_crypt->ops = try_then_request_module(ieee80211_get_crypto_ops("WEP"), + "ieee80211_crypt_wep"); if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) new_crypt->priv = new_crypt->ops->init(key); @@ -591,12 +588,8 @@ int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, } printk("alg name:%s\n",alg); - ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); - ops = ieee80211_get_crypto_ops(alg); - } - if (ops == NULL) { + ops = try_then_request_module(ieee80211_get_crypto_ops(alg), module); + if (!ops) { IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", dev->name, ext->alg); printk("========>unknown crypto alg %d\n", ext->alg); diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h index 7abedc27d7c1..b6a76aae4832 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_BA.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BATYPE_H_ #define _BATYPE_H_ diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c index 8aa38dcf0dfd..21b55fd5b717 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /******************************************************************************************************************************** * This file is created to process BA Action Frame. According to 802.11 spec, there are 3 BA action types at all. And as BA is * related to TS, this part need some structure defined in QOS side code. Also TX RX is going to be resturctured, so how to send @@ -143,7 +144,7 @@ static struct sk_buff *ieee80211_ADDBA(struct ieee80211_device *ieee, u8 *Dst, P if (ACT_ADDBARSP == type) { // Status Code - printk(KERN_INFO "=====>to send ADDBARSP\n"); + netdev_info(ieee->dev, "=====>to send ADDBARSP\n"); put_unaligned_le16(StatusCode, tag); tag += 2; @@ -345,7 +346,7 @@ int ieee80211_rx_ADDBAReq(struct ieee80211_device *ieee, struct sk_buff *skb) pBaTimeoutVal = (u16 *)(tag + 5); pBaStartSeqCtrl = (PSEQUENCE_CONTROL)(req + 7); - printk(KERN_INFO "====================>rx ADDBAREQ from :%pM\n", dst); + netdev_info(ieee->dev, "====================>rx ADDBAREQ from :%pM\n", dst); //some other capability is not ready now. if ((ieee->current_network.qos_data.active == 0) || (!ieee->pHTInfo->bCurrentHTSupport)) //|| @@ -672,18 +673,18 @@ TsInitDelBA( struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, TR_SE * return: NULL * notice: ********************************************************************************************************************/ -void BaSetupTimeOut(unsigned long data) +void BaSetupTimeOut(struct timer_list *t) { - PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data; + PTX_TS_RECORD pTxTs = from_timer(pTxTs, t, TxPendingBARecord.Timer); pTxTs->bAddBaReqInProgress = false; pTxTs->bAddBaReqDelayed = true; pTxTs->TxPendingBARecord.bValid = false; } -void TxBaInactTimeout(unsigned long data) +void TxBaInactTimeout(struct timer_list *t) { - PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data; + PTX_TS_RECORD pTxTs = from_timer(pTxTs, t, TxAdmittedBARecord.Timer); struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[pTxTs->num]); TxTsDeleteBA(ieee, pTxTs); ieee80211_send_DELBA( @@ -694,9 +695,9 @@ void TxBaInactTimeout(unsigned long data) DELBA_REASON_TIMEOUT); } -void RxBaInactTimeout(unsigned long data) +void RxBaInactTimeout(struct timer_list *t) { - PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data; + PRX_TS_RECORD pRxTs = from_timer(pRxTs, t, RxAdmittedBARecord.Timer); struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]); RxTsDeleteBA(ieee, pRxTs); diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h index 5f54d93dfb66..a85036022aa8 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_HT.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RTL819XU_HTTYPE_H_ #define _RTL819XU_HTTYPE_H_ diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c index 9248dbcf3370..bf7b7122d042 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 //As this function is mainly ported from Windows driver, so leave the name little changed. If any confusion caused, tell me. Created by WB. 2008.05.08 #include "ieee80211.h" diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h index 49c23c720f78..71df9d9e2e99 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_Qos.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INC_QOS_TYPE_H #define __INC_QOS_TYPE_H diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h b/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h index e25b69777ee7..3a0ff08c687a 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TS.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _TSTYPE_H_ #define _TSTYPE_H_ #include "rtl819x_Qos.h" diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c index f98bb03aa293..e60a26250682 100644 --- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c +++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c @@ -1,15 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0 #include "ieee80211.h" #include <linux/etherdevice.h> #include <linux/slab.h> #include "rtl819x_TS.h" -static void TsSetupTimeOut(unsigned long data) +static void TsSetupTimeOut(struct timer_list *unused) { // Not implement yet // This is used for WMMSA and ACM , that would send ADDTSReq frame. } -static void TsInactTimeout(unsigned long data) +static void TsInactTimeout(struct timer_list *unused) { // Not implement yet // This is used for WMMSA and ACM. @@ -22,9 +23,9 @@ static void TsInactTimeout(unsigned long data) * return: NULL * notice: ********************************************************************************************************************/ -static void RxPktPendingTimeout(unsigned long data) +static void RxPktPendingTimeout(struct timer_list *t) { - PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data; + PRX_TS_RECORD pRxTs = from_timer(pRxTs, t, RxPktPendingTimer); struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]); PRX_REORDER_ENTRY pReorderEntry = NULL; @@ -89,9 +90,9 @@ static void RxPktPendingTimeout(unsigned long data) * return: NULL * notice: ********************************************************************************************************************/ -static void TsAddBaProcess(unsigned long data) +static void TsAddBaProcess(struct timer_list *t) { - PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data; + PTX_TS_RECORD pTxTs = from_timer(pTxTs, t, TsAddBaTimer); u8 num = pTxTs->num; struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]); @@ -145,16 +146,15 @@ void TSInitialize(struct ieee80211_device *ieee) pTxTS->num = count; // The timers for the operation of Traffic Stream and Block Ack. // DLS related timer will be add here in the future!! - setup_timer(&pTxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut, - (unsigned long)pTxTS); - setup_timer(&pTxTS->TsCommonInfo.InactTimer, TsInactTimeout, - (unsigned long)pTxTS); - setup_timer(&pTxTS->TsAddBaTimer, TsAddBaProcess, - (unsigned long)pTxTS); - setup_timer(&pTxTS->TxPendingBARecord.Timer, BaSetupTimeOut, - (unsigned long)pTxTS); - setup_timer(&pTxTS->TxAdmittedBARecord.Timer, - TxBaInactTimeout, (unsigned long)pTxTS); + timer_setup(&pTxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut, + 0); + timer_setup(&pTxTS->TsCommonInfo.InactTimer, TsInactTimeout, + 0); + timer_setup(&pTxTS->TsAddBaTimer, TsAddBaProcess, 0); + timer_setup(&pTxTS->TxPendingBARecord.Timer, BaSetupTimeOut, + 0); + timer_setup(&pTxTS->TxAdmittedBARecord.Timer, + TxBaInactTimeout, 0); ResetTxTsEntry(pTxTS); list_add_tail(&pTxTS->TsCommonInfo.List, &ieee->Tx_TS_Unused_List); pTxTS++; @@ -167,14 +167,13 @@ void TSInitialize(struct ieee80211_device *ieee) for(count = 0; count < TOTAL_TS_NUM; count++) { pRxTS->num = count; INIT_LIST_HEAD(&pRxTS->RxPendingPktList); - setup_timer(&pRxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut, - (unsigned long)pRxTS); - setup_timer(&pRxTS->TsCommonInfo.InactTimer, TsInactTimeout, - (unsigned long)pRxTS); - setup_timer(&pRxTS->RxAdmittedBARecord.Timer, - RxBaInactTimeout, (unsigned long)pRxTS); - setup_timer(&pRxTS->RxPktPendingTimer, RxPktPendingTimeout, - (unsigned long)pRxTS); + timer_setup(&pRxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut, + 0); + timer_setup(&pRxTS->TsCommonInfo.InactTimer, TsInactTimeout, + 0); + timer_setup(&pRxTS->RxAdmittedBARecord.Timer, + RxBaInactTimeout, 0); + timer_setup(&pRxTS->RxPktPendingTimer, RxPktPendingTimeout, 0); ResetRxTsEntry(pRxTS); list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List); pRxTS++; diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c index 46b3f19e0878..09f66b386e44 100644 --- a/drivers/staging/rtl8192u/r8192U_core.c +++ b/drivers/staging/rtl8192u/r8192U_core.c @@ -497,7 +497,7 @@ inline void force_pci_posting(struct net_device *dev) static struct net_device_stats *rtl8192_stats(struct net_device *dev); static void rtl8192_restart(struct work_struct *work); -static void watch_dog_timer_callback(unsigned long data); +static void watch_dog_timer_callback(struct timer_list *t); /**************************************************************************** * -----------------------------PROCFS STUFF------------------------- @@ -1687,9 +1687,13 @@ static short rtl8192_usb_initendpoints(struct net_device *dev) #ifndef JACKSON_NEW_RX for (i = 0; i < (MAX_RX_URB + 1); i++) { priv->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL); + if (!priv->rx_urb[i]) + return -ENOMEM; priv->rx_urb[i]->transfer_buffer = kmalloc(RX_URB_SIZE, GFP_KERNEL); + if (!priv->rx_urb[i]->transfer_buffer) + return -ENOMEM; priv->rx_urb[i]->transfer_buffer_length = RX_URB_SIZE; } @@ -2690,15 +2694,11 @@ static short rtl8192_init(struct net_device *dev) err = rtl8192_read_eeprom_info(dev); if (err) { DMESG("Reading EEPROM info failed"); - kfree(priv->pFirmware); - priv->pFirmware = NULL; - free_ieee80211(dev); return err; } rtl8192_get_channel_map(dev); init_hal_dm(dev); - setup_timer(&priv->watch_dog_timer, watch_dog_timer_callback, - (unsigned long)dev); + timer_setup(&priv->watch_dog_timer, watch_dog_timer_callback, 0); if (rtl8192_usb_initendpoints(dev) != 0) { DMESG("Endopoints initialization failed"); return -ENOMEM; @@ -3499,9 +3499,9 @@ static void rtl819x_watchdog_wqcallback(struct work_struct *work) RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n"); } -static void watch_dog_timer_callback(unsigned long data) +static void watch_dog_timer_callback(struct timer_list *t) { - struct r8192_priv *priv = ieee80211_priv((struct net_device *)data); + struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer); schedule_delayed_work(&priv->watch_dog_wq, 0); mod_timer(&priv->watch_dog_timer, @@ -3528,7 +3528,7 @@ static int _rtl8192_up(struct net_device *dev) if (priv->ieee80211->state != IEEE80211_LINKED) ieee80211_softmac_start_protocol(priv->ieee80211); ieee80211_reset_queue(priv->ieee80211); - watch_dog_timer_callback((unsigned long)dev); + watch_dog_timer_callback(&priv->watch_dog_timer); if (!netif_queue_stopped(dev)) netif_start_queue(dev); else @@ -4994,11 +4994,11 @@ static int rtl8192_usb_probe(struct usb_interface *intf, fail2: rtl8192_down(dev); +fail: kfree(priv->pFirmware); priv->pFirmware = NULL; rtl8192_usb_deleteendpoints(dev); mdelay(10); -fail: free_ieee80211(dev); RT_TRACE(COMP_ERR, "wlan driver load failed\n"); diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c index e6f8d1da65d9..e1b81d34f1ad 100644 --- a/drivers/staging/rtl8192u/r8192U_dm.c +++ b/drivers/staging/rtl8192u/r8192U_dm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*++ Copyright-c Realtek Semiconductor Corp. All rights reserved. @@ -2729,8 +2730,7 @@ static void dm_init_fsync(struct net_device *dev) priv->ieee80211->fsync_seconddiff_ratethreshold = 200; priv->ieee80211->fsync_state = Default_Fsync; priv->framesyncMonitor = 1; /* current default 0xc38 monitor on */ - setup_timer(&priv->fsync_timer, dm_fsync_timer_callback, - (unsigned long)dev); + timer_setup(&priv->fsync_timer, dm_fsync_timer_callback, 0); } static void dm_deInit_fsync(struct net_device *dev) @@ -2740,10 +2740,10 @@ static void dm_deInit_fsync(struct net_device *dev) del_timer_sync(&priv->fsync_timer); } -void dm_fsync_timer_callback(unsigned long data) +void dm_fsync_timer_callback(struct timer_list *t) { - struct net_device *dev = (struct net_device *)data; - struct r8192_priv *priv = ieee80211_priv((struct net_device *)data); + struct r8192_priv *priv = from_timer(priv, t, fsync_timer); + struct net_device *dev = priv->ieee80211->dev; u32 rate_index, rate_count = 0, rate_count_diff = 0; bool bSwitchFromCountDiff = false; bool bDoubleTimeInterval = false; diff --git a/drivers/staging/rtl8192u/r8192U_dm.h b/drivers/staging/rtl8192u/r8192U_dm.h index 2d0232fb3f9b..8f3d618dcfdb 100644 --- a/drivers/staging/rtl8192u/r8192U_dm.h +++ b/drivers/staging/rtl8192u/r8192U_dm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /***************************************************************************** * Copyright(c) 2007, RealTEK Technology Inc. All Right Reserved. * @@ -226,7 +227,7 @@ void dm_force_tx_fw_info(struct net_device *dev, void dm_init_edca_turbo(struct net_device *dev); void dm_rf_operation_test_callback(unsigned long data); void dm_rf_pathcheck_workitemcallback(struct work_struct *work); -void dm_fsync_timer_callback(unsigned long data); +void dm_fsync_timer_callback(struct timer_list *t); void dm_cck_txpower_adjust(struct net_device *dev, bool binch14); void dm_shadow_init(struct net_device *dev); void dm_initialize_txpower_tracking(struct net_device *dev); diff --git a/drivers/staging/rtl8192u/r8192U_wx.c b/drivers/staging/rtl8192u/r8192U_wx.c index a9545386fbc5..e4e6c979bedf 100644 --- a/drivers/staging/rtl8192u/r8192U_wx.c +++ b/drivers/staging/rtl8192u/r8192U_wx.c @@ -964,7 +964,7 @@ struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev) return wstats; } -struct iw_handler_def r8192_wx_handlers_def = { +const struct iw_handler_def r8192_wx_handlers_def = { .standard = r8192_wx_handlers, .num_standard = ARRAY_SIZE(r8192_wx_handlers), .private = r8192_private_handler, diff --git a/drivers/staging/rtl8192u/r8192U_wx.h b/drivers/staging/rtl8192u/r8192U_wx.h index fb5f808433d1..a6c2b95e2e69 100644 --- a/drivers/staging/rtl8192u/r8192U_wx.h +++ b/drivers/staging/rtl8192u/r8192U_wx.h @@ -17,7 +17,7 @@ #ifndef R8180_WX_H #define R8180_WX_H -extern struct iw_handler_def r8192_wx_handlers_def; +extern const struct iw_handler_def r8192_wx_handlers_def; /* Enable the rtl819x_core.c to share this function, david 2008.9.22 */ struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev); diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c index ae9a4f1ac8fd..80672100ea26 100644 --- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c +++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * (c) Copyright 2008, RealTEK Technologies Inc. All Rights Reserved. diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.h b/drivers/staging/rtl8192u/r819xU_cmdpkt.h index ad0f6003570d..85fb49ca7bc8 100644 --- a/drivers/staging/rtl8192u/r819xU_cmdpkt.h +++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef R819XUSB_CMDPKT_H #define R819XUSB_CMDPKT_H /* Different command packet have dedicated message length and definition. */ diff --git a/drivers/staging/rtl8192u/r819xU_firmware.c b/drivers/staging/rtl8192u/r819xU_firmware.c index 35d1786703a7..9c7e19aedff1 100644 --- a/drivers/staging/rtl8192u/r819xU_firmware.c +++ b/drivers/staging/rtl8192u/r819xU_firmware.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /************************************************************************************************** * Procedure: Init boot code/firmware code/data session * diff --git a/drivers/staging/rtl8192u/r819xU_firmware.h b/drivers/staging/rtl8192u/r819xU_firmware.h index 24b63f2ec509..cccd1c82ffe0 100644 --- a/drivers/staging/rtl8192u/r819xU_firmware.h +++ b/drivers/staging/rtl8192u/r819xU_firmware.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __INC_FIRMWARE_H #define __INC_FIRMWARE_H diff --git a/drivers/staging/rtl8192u/r819xU_firmware_img.c b/drivers/staging/rtl8192u/r819xU_firmware_img.c index 4eb43cfe5690..0af062036688 100644 --- a/drivers/staging/rtl8192u/r819xU_firmware_img.c +++ b/drivers/staging/rtl8192u/r819xU_firmware_img.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*Created on 2008/ 7/16, 5:31*/ #include <linux/types.h> #include "r819xU_firmware_img.h" diff --git a/drivers/staging/rtl8192u/r819xU_firmware_img.h b/drivers/staging/rtl8192u/r819xU_firmware_img.h index 18d0a6b5cbae..355da9157be1 100644 --- a/drivers/staging/rtl8192u/r819xU_firmware_img.h +++ b/drivers/staging/rtl8192u/r819xU_firmware_img.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef IMG_H #define IMG_H diff --git a/drivers/staging/rtl8192u/r819xU_phy.c b/drivers/staging/rtl8192u/r819xU_phy.c index 3874f8307117..12750671c860 100644 --- a/drivers/staging/rtl8192u/r819xU_phy.c +++ b/drivers/staging/rtl8192u/r819xU_phy.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "r8192U.h" #include "r8192U_hw.h" #include "r819xU_phy.h" diff --git a/drivers/staging/rtl8192u/r819xU_phy.h b/drivers/staging/rtl8192u/r819xU_phy.h index e672126330f3..0a42a6092ea9 100644 --- a/drivers/staging/rtl8192u/r819xU_phy.h +++ b/drivers/staging/rtl8192u/r819xU_phy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _R819XU_PHY_H #define _R819XU_PHY_H diff --git a/drivers/staging/rtl8192u/r819xU_phyreg.h b/drivers/staging/rtl8192u/r819xU_phyreg.h index b855627e9816..c058a9537526 100644 --- a/drivers/staging/rtl8192u/r819xU_phyreg.h +++ b/drivers/staging/rtl8192u/r819xU_phyreg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _R819XU_PHYREG_H #define _R819XU_PHYREG_H diff --git a/drivers/staging/rtl8712/Makefile b/drivers/staging/rtl8712/Makefile index 6f8500c2d922..3ae216b6621b 100644 --- a/drivers/staging/rtl8712/Makefile +++ b/drivers/staging/rtl8712/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 r8712u-y := \ rtl871x_cmd.o \ rtl8712_cmd.o \ diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c index c83d7ebb164f..de832b0b5eec 100644 --- a/drivers/staging/rtl8712/hal_init.c +++ b/drivers/staging/rtl8712/hal_init.c @@ -216,9 +216,9 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter) emem_sz = fwhdr.img_SRAM_size; do { memset(ptx_desc, 0, TXDESC_SIZE); - if (emem_sz > MAX_DUMP_FWSZ) /* max=48k */ + if (emem_sz > MAX_DUMP_FWSZ) { /* max=48k */ dump_emem_sz = MAX_DUMP_FWSZ; - else { + } else { dump_emem_sz = emem_sz; ptx_desc->txdw0 |= cpu_to_le32(BIT(28)); } diff --git a/drivers/staging/rtl8712/mlme_linux.c b/drivers/staging/rtl8712/mlme_linux.c index a077069d6227..3c7c4a4faeb2 100644 --- a/drivers/staging/rtl8712/mlme_linux.c +++ b/drivers/staging/rtl8712/mlme_linux.c @@ -32,39 +32,45 @@ #include "drv_types.h" #include "mlme_osdep.h" -static void sitesurvey_ctrl_handler(unsigned long data) +static void sitesurvey_ctrl_handler(struct timer_list *t) { - struct _adapter *adapter = (struct _adapter *)data; + struct _adapter *adapter = + from_timer(adapter, t, + mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer); _r8712_sitesurvey_ctrl_handler(adapter); mod_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer, jiffies + msecs_to_jiffies(3000)); } -static void join_timeout_handler (unsigned long data) +static void join_timeout_handler (struct timer_list *t) { - struct _adapter *adapter = (struct _adapter *)data; + struct _adapter *adapter = + from_timer(adapter, t, mlmepriv.assoc_timer); _r8712_join_timeout_handler(adapter); } -static void _scan_timeout_handler (unsigned long data) +static void _scan_timeout_handler (struct timer_list *t) { - struct _adapter *adapter = (struct _adapter *)data; + struct _adapter *adapter = + from_timer(adapter, t, mlmepriv.scan_to_timer); r8712_scan_timeout_handler(adapter); } -static void dhcp_timeout_handler (unsigned long data) +static void dhcp_timeout_handler (struct timer_list *t) { - struct _adapter *adapter = (struct _adapter *)data; + struct _adapter *adapter = + from_timer(adapter, t, mlmepriv.dhcp_timer); _r8712_dhcp_timeout_handler(adapter); } -static void wdg_timeout_handler (unsigned long data) +static void wdg_timeout_handler (struct timer_list *t) { - struct _adapter *adapter = (struct _adapter *)data; + struct _adapter *adapter = + from_timer(adapter, t, mlmepriv.wdg_timer); _r8712_wdg_timeout_handler(adapter); @@ -76,17 +82,12 @@ void r8712_init_mlme_timer(struct _adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - setup_timer(&pmlmepriv->assoc_timer, join_timeout_handler, - (unsigned long)padapter); - setup_timer(&pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer, - sitesurvey_ctrl_handler, - (unsigned long)padapter); - setup_timer(&pmlmepriv->scan_to_timer, _scan_timeout_handler, - (unsigned long)padapter); - setup_timer(&pmlmepriv->dhcp_timer, dhcp_timeout_handler, - (unsigned long)padapter); - setup_timer(&pmlmepriv->wdg_timer, wdg_timeout_handler, - (unsigned long)padapter); + timer_setup(&pmlmepriv->assoc_timer, join_timeout_handler, 0); + timer_setup(&pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer, + sitesurvey_ctrl_handler, 0); + timer_setup(&pmlmepriv->scan_to_timer, _scan_timeout_handler, 0); + timer_setup(&pmlmepriv->dhcp_timer, dhcp_timeout_handler, 0); + timer_setup(&pmlmepriv->wdg_timer, wdg_timeout_handler, 0); } void r8712_os_indicate_connect(struct _adapter *adapter) @@ -118,9 +119,8 @@ void r8712_os_indicate_disconnect(struct _adapter *adapter) adapter->securitypriv.btkip_countermeasure; memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv)); - setup_timer(&adapter->securitypriv.tkip_timer, - r8712_use_tkipkey_handler, - (unsigned long)adapter); + timer_setup(&adapter->securitypriv.tkip_timer, + r8712_use_tkipkey_handler, 0); /* Restore the PMK information to securitypriv structure * for the following connection. */ diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c index e698f6ede449..95caf8df9a13 100644 --- a/drivers/staging/rtl8712/os_intfs.c +++ b/drivers/staging/rtl8712/os_intfs.c @@ -313,8 +313,8 @@ u8 r8712_init_drv_sw(struct _adapter *padapter) _r8712_init_recv_priv(&padapter->recvpriv, padapter); memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv)); - setup_timer(&padapter->securitypriv.tkip_timer, - r8712_use_tkipkey_handler, (unsigned long)padapter); + timer_setup(&padapter->securitypriv.tkip_timer, + r8712_use_tkipkey_handler, 0); _r8712_init_sta_priv(&padapter->stapriv); padapter->stapriv.padapter = padapter; r8712_init_bcmc_stainfo(padapter); @@ -385,11 +385,11 @@ static int netdev_open(struct net_device *pnetdev) padapter->bup = true; if (rtl871x_hal_init(padapter) != _SUCCESS) goto netdev_open_error; - if (!r8712_initmac) + if (!r8712_initmac) { /* Use the mac address stored in the Efuse */ memcpy(pnetdev->dev_addr, padapter->eeprompriv.mac_addr, ETH_ALEN); - else { + } else { /* We have to inform f/w to use user-supplied MAC * address. */ diff --git a/drivers/staging/rtl8712/rtl8712_cmd.c b/drivers/staging/rtl8712/rtl8712_cmd.c index 0104aced113e..3c88994fdfcd 100644 --- a/drivers/staging/rtl8712/rtl8712_cmd.c +++ b/drivers/staging/rtl8712/rtl8712_cmd.c @@ -356,11 +356,11 @@ _next: if ((wr_sz % 64) == 0) blnPending = 1; } - if (blnPending) /* 32 bytes for TX Desc - 8 offset */ + if (blnPending) { /* 32 bytes for TX Desc - 8 offset */ pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ + 8) << OFFSET_SHT) & 0x00ff0000); - else { + } else { pdesc->txdw0 |= cpu_to_le32(((TXDESC_SIZE + OFFSET_SZ) << OFFSET_SHT) & diff --git a/drivers/staging/rtl8712/rtl8712_efuse.h b/drivers/staging/rtl8712/rtl8712_efuse.h index 6a64f91ad75f..dbba51cd40fb 100644 --- a/drivers/staging/rtl8712/rtl8712_efuse.h +++ b/drivers/staging/rtl8712/rtl8712_efuse.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RTL8712_EFUSE_H__ #define __RTL8712_EFUSE_H__ diff --git a/drivers/staging/rtl8712/rtl8712_event.h b/drivers/staging/rtl8712/rtl8712_event.h index b38374025c93..cad7085c3f8a 100644 --- a/drivers/staging/rtl8712/rtl8712_event.h +++ b/drivers/staging/rtl8712/rtl8712_event.h @@ -60,7 +60,6 @@ enum rtl8712_c2h_event { MAX_C2HEVT }; - #ifdef _RTL8712_CMD_C_ static struct fwevent wlanevents[] = { diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c index ea3eb94b28b3..8f555e6e1b3f 100644 --- a/drivers/staging/rtl8712/rtl8712_recv.c +++ b/drivers/staging/rtl8712/rtl8712_recv.c @@ -149,7 +149,7 @@ int r8712_free_recvframe(union recv_frame *precvframe, list_add_tail(&(precvframe->u.hdr.list), &pfree_recv_queue->queue); if (padapter != NULL) { if (pfree_recv_queue == &precvpriv->free_recv_queue) - precvpriv->free_recvframe_cnt++; + precvpriv->free_recvframe_cnt++; } spin_unlock_irqrestore(&pfree_recv_queue->lock, irqL); return _SUCCESS; @@ -883,10 +883,10 @@ static void query_rx_phy_status(struct _adapter *padapter, * from 0~100. It is assigned to the BSS List in * GetValueFromBeaconOrProbeRsp(). */ - if (bcck_rate) + if (bcck_rate) { prframe->u.hdr.attrib.signal_strength = (u8)r8712_signal_scale_mapping(pwdb_all); - else { + } else { if (rf_rx_num != 0) prframe->u.hdr.attrib.signal_strength = (u8)(r8712_signal_scale_mapping(total_rssi /= diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c index 04638f1e4e88..a424f447a725 100644 --- a/drivers/staging/rtl8712/rtl871x_cmd.c +++ b/drivers/staging/rtl8712/rtl871x_cmd.c @@ -899,9 +899,10 @@ void r8712_createbss_cmd_callback(struct _adapter *padapter, if (!pwlan) goto createbss_cmd_fail; pwlan->last_scanned = jiffies; - } else + } else { list_add_tail(&(pwlan->list), &pmlmepriv->scanned_queue.queue); + } pnetwork->Length = r8712_get_wlan_bssid_ex_sz(pnetwork); memcpy(&(pwlan->network), pnetwork, pnetwork->Length); pwlan->fixed = true; diff --git a/drivers/staging/rtl8712/rtl871x_ioctl.h b/drivers/staging/rtl8712/rtl871x_ioctl.h index 08bcb3b41bbd..634e67461712 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl.h +++ b/drivers/staging/rtl8712/rtl871x_ioctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __IOCTL_H #define __IOCTL_H diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_set.c b/drivers/staging/rtl8712/rtl871x_ioctl_set.c index 01a150446f5a..8a5ced4fa9d3 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_set.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_set.c @@ -78,10 +78,10 @@ static u8 do_join(struct _adapter *padapter) int ret; ret = r8712_select_and_join_from_scan(pmlmepriv); - if (ret == _SUCCESS) + if (ret == _SUCCESS) { mod_timer(&pmlmepriv->assoc_timer, jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT)); - else { + } else { if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { /* submit r8712_createbss_cmd to change to an * ADHOC_MASTER pmlmepriv->lock has been diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c index bf1ac22bae1c..111c809afc51 100644 --- a/drivers/staging/rtl8712/rtl871x_mlme.c +++ b/drivers/staging/rtl8712/rtl871x_mlme.c @@ -574,10 +574,10 @@ void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf) set_fwstate(pmlmepriv, _FW_UNDER_LINKING); if (r8712_select_and_join_from_scan(pmlmepriv) - == _SUCCESS) + == _SUCCESS) { mod_timer(&pmlmepriv->assoc_timer, jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT)); - else { + } else { struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network); u8 *pibss = diff --git a/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h b/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h index 11bcfb7bf77c..d479f739ff08 100644 --- a/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h +++ b/drivers/staging/rtl8712/rtl871x_mp_phy_regdef.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /***************************************************************************** * Copyright(c) 2008, RealTEK Technology Inc. All Right Reserved. * diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c index e42fc1404c35..ae4c9567bb55 100644 --- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c +++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c @@ -164,9 +164,10 @@ static void rpwm_workitem_callback(struct work_struct *work) } } -static void rpwm_check_handler (unsigned long data) +static void rpwm_check_handler (struct timer_list *t) { - struct _adapter *adapter = (struct _adapter *)data; + struct _adapter *adapter = + from_timer(adapter, t, pwrctrlpriv.rpwm_check_timer); _rpwm_check_handler(adapter); } @@ -185,8 +186,7 @@ void r8712_init_pwrctrl_priv(struct _adapter *padapter) r8712_write8(padapter, 0x1025FE58, 0); INIT_WORK(&pwrctrlpriv->SetPSModeWorkItem, SetPSModeWorkItemCallback); INIT_WORK(&pwrctrlpriv->rpwm_workitem, rpwm_workitem_callback); - setup_timer(&pwrctrlpriv->rpwm_check_timer, rpwm_check_handler, - (unsigned long)padapter); + timer_setup(&pwrctrlpriv->rpwm_check_timer, rpwm_check_handler, 0); } /* diff --git a/drivers/staging/rtl8712/rtl871x_recv.h b/drivers/staging/rtl8712/rtl871x_recv.h index 9de06c5fe620..f87b2ff5de1c 100644 --- a/drivers/staging/rtl8712/rtl871x_recv.h +++ b/drivers/staging/rtl8712/rtl871x_recv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _RTL871X_RECV_H_ #define _RTL871X_RECV_H_ diff --git a/drivers/staging/rtl8712/rtl871x_security.c b/drivers/staging/rtl8712/rtl871x_security.c index bd83fb492c45..56d36f6f9c46 100644 --- a/drivers/staging/rtl8712/rtl871x_security.c +++ b/drivers/staging/rtl8712/rtl871x_security.c @@ -1402,9 +1402,10 @@ u32 r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe) return _SUCCESS; } -void r8712_use_tkipkey_handler(unsigned long data) +void r8712_use_tkipkey_handler(struct timer_list *t) { - struct _adapter *padapter = (struct _adapter *)data; + struct _adapter *padapter = + from_timer(padapter, t, securitypriv.tkip_timer); padapter->securitypriv.busetkipkey = true; } diff --git a/drivers/staging/rtl8712/rtl871x_security.h b/drivers/staging/rtl8712/rtl871x_security.h index fa952e17975b..46b88a41d236 100644 --- a/drivers/staging/rtl8712/rtl871x_security.h +++ b/drivers/staging/rtl8712/rtl871x_security.h @@ -224,7 +224,7 @@ void r8712_wep_encrypt(struct _adapter *padapter, u8 *pxmitframe); u32 r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe); u32 r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe); void r8712_wep_decrypt(struct _adapter *padapter, u8 *precvframe); -void r8712_use_tkipkey_handler(unsigned long data); +void r8712_use_tkipkey_handler(struct timer_list *t); #endif /*__RTL871X_SECURITY_H_ */ diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index b3e266bd57ab..85eadddfaf06 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -590,9 +590,10 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf, mac[0] &= 0xFE; dev_info(&udev->dev, "r8712u: MAC Address from user = %pM\n", mac); - } else + } else { dev_info(&udev->dev, "r8712u: MAC Address from efuse = %pM\n", mac); + } ether_addr_copy(pnetdev->dev_addr, mac); } /* step 6. Load the firmware asynchronously */ diff --git a/drivers/staging/rtl8723bs/Makefile b/drivers/staging/rtl8723bs/Makefile index 4e7b460a9c73..f236acfd3afa 100644 --- a/drivers/staging/rtl8723bs/Makefile +++ b/drivers/staging/rtl8723bs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 r8723bs-y = \ core/rtw_ap.o \ core/rtw_btcoex.o \ diff --git a/drivers/staging/rtl8723bs/core/rtw_ap.c b/drivers/staging/rtl8723bs/core/rtw_ap.c index d3007c1c45e3..0b530ea7fd81 100644 --- a/drivers/staging/rtl8723bs/core/rtw_ap.c +++ b/drivers/staging/rtl8723bs/core/rtw_ap.c @@ -1581,15 +1581,13 @@ u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - psetstakey_para = (struct set_stakey_parm *)rtw_zmalloc( - sizeof(struct set_stakey_parm) - ); + psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm)); if (psetstakey_para == NULL) { kfree((u8 *) ph2c); res = _FAIL; @@ -1630,12 +1628,12 @@ static int rtw_ap_set_key( /* DBG_871X("%s\n", __func__); */ - pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; goto exit; } - psetkeyparm = (struct setkey_parm *)rtw_zmalloc(sizeof(struct setkey_parm)); + psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm)); if (psetkeyparm == NULL) { kfree((unsigned char *)pcmd); res = _FAIL; diff --git a/drivers/staging/rtl8723bs/core/rtw_btcoex.c b/drivers/staging/rtl8723bs/core/rtw_btcoex.c index 01f78d1671de..79aa02afad01 100644 --- a/drivers/staging/rtl8723bs/core/rtw_btcoex.c +++ b/drivers/staging/rtl8723bs/core/rtw_btcoex.c @@ -207,11 +207,11 @@ void rtw_btcoex_RejectApAggregatedPacket(struct adapter *padapter, u8 enable) psta = rtw_get_stainfo(&padapter->stapriv, get_bssid(&padapter->mlmepriv)); if (true == enable) { - pmlmeinfo->bAcceptAddbaReq = false; + pmlmeinfo->accept_addba_req = false; if (psta) send_delba(padapter, 0, psta->hwaddr); } else{ - pmlmeinfo->bAcceptAddbaReq = true; + pmlmeinfo->accept_addba_req = true; } } diff --git a/drivers/staging/rtl8723bs/core/rtw_cmd.c b/drivers/staging/rtl8723bs/core/rtw_cmd.c index d381827dba3b..9ac2dea6dff1 100644 --- a/drivers/staging/rtl8723bs/core/rtw_cmd.c +++ b/drivers/staging/rtl8723bs/core/rtw_cmd.c @@ -408,7 +408,7 @@ void rtw_free_cmd_obj(struct cmd_obj *pcmd) } /* free cmd_obj */ - kfree((unsigned char *)pcmd); + kfree(pcmd); } @@ -613,13 +613,13 @@ u8 rtw_sitesurvey_cmd(struct adapter *padapter, struct ndis_802_11_ssid *ssid, rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_SCAN, 1); } - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) return _FAIL; - psurveyPara = (struct sitesurvey_parm *)rtw_zmalloc(sizeof(struct sitesurvey_parm)); + psurveyPara = rtw_zmalloc(sizeof(struct sitesurvey_parm)); if (psurveyPara == NULL) { - kfree((unsigned char *) ph2c); + kfree(ph2c); return _FAIL; } @@ -681,15 +681,15 @@ u8 rtw_setdatarate_cmd(struct adapter *padapter, u8 *rateset) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pbsetdataratepara = (struct setdatarate_parm *)rtw_zmalloc(sizeof(struct setdatarate_parm)); + pbsetdataratepara = rtw_zmalloc(sizeof(struct setdatarate_parm)); if (pbsetdataratepara == NULL) { - kfree((u8 *) ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -706,8 +706,8 @@ exit: void rtw_getbbrfreg_cmdrsp_callback(struct adapter *padapter, struct cmd_obj *pcmd) { /* rtw_free_cmd_obj(pcmd); */ - kfree((unsigned char *) pcmd->parmbuf); - kfree((unsigned char *) pcmd); + kfree(pcmd->parmbuf); + kfree(pcmd); } u8 rtw_createbss_cmd(struct adapter *padapter) @@ -724,7 +724,7 @@ u8 rtw_createbss_cmd(struct adapter *padapter) RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, (" createbss for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid)); } - pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; goto exit; @@ -757,7 +757,7 @@ u8 rtw_startbss_cmd(struct adapter *padapter, int flags) start_bss_network(padapter, (u8 *)&(padapter->mlmepriv.cur_network.network)); } else { /* need enqueue, prepare cmd_obj and enqueue */ - pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; goto exit; @@ -815,7 +815,7 @@ u8 rtw_joinbss_cmd(struct adapter *padapter, struct wlan_network *pnetwork) RT_TRACE(_module_rtl871x_cmd_c_, _drv_notice_, ("+Join cmd: SSid =[%s]\n", pmlmepriv->assoc_ssid.Ssid)); } - pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("rtw_joinbss_cmd: memory allocate for cmd_obj fail!!!\n")); @@ -847,7 +847,7 @@ u8 rtw_joinbss_cmd(struct adapter *padapter, struct wlan_network *pnetwork) psecnetwork = (struct wlan_bssid_ex *)&psecuritypriv->sec_bss; if (psecnetwork == NULL) { if (pcmd != NULL) - kfree((unsigned char *)pcmd); + kfree(pcmd); res = _FAIL; @@ -943,7 +943,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu RT_TRACE(_module_rtl871x_cmd_c_, _drv_notice_, ("+rtw_disassoc_cmd\n")); /* prepare cmd parameter */ - param = (struct disconnect_parm *)rtw_zmalloc(sizeof(*param)); + param = rtw_zmalloc(sizeof(*param)); if (param == NULL) { res = _FAIL; goto exit; @@ -952,10 +952,10 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu if (enqueue) { /* need enqueue, prepare cmd_obj and enqueue */ - cmdobj = (struct cmd_obj *)rtw_zmalloc(sizeof(*cmdobj)); + cmdobj = rtw_zmalloc(sizeof(*cmdobj)); if (cmdobj == NULL) { res = _FAIL; - kfree((u8 *)param); + kfree(param); goto exit; } init_h2fwcmd_w_parm_no_rsp(cmdobj, param, _DisConnect_CMD_); @@ -964,7 +964,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu /* no need to enqueue, do the cmd hdl directly and free cmd parameter */ if (H2C_SUCCESS != disconnect_hdl(padapter, (u8 *)param)) res = _FAIL; - kfree((u8 *)param); + kfree(param); } exit: @@ -979,7 +979,7 @@ u8 rtw_setopmode_cmd(struct adapter *padapter, enum NDIS_802_11_NETWORK_INFRAST struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - psetop = (struct setopmode_parm *)rtw_zmalloc(sizeof(struct setopmode_parm)); + psetop = rtw_zmalloc(sizeof(struct setopmode_parm)); if (psetop == NULL) { res = _FAIL; @@ -988,9 +988,9 @@ u8 rtw_setopmode_cmd(struct adapter *padapter, enum NDIS_802_11_NETWORK_INFRAST psetop->mode = (u8)networktype; if (enqueue) { - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { - kfree((u8 *)psetop); + kfree(psetop); res = _FAIL; goto exit; } @@ -999,7 +999,7 @@ u8 rtw_setopmode_cmd(struct adapter *padapter, enum NDIS_802_11_NETWORK_INFRAST res = rtw_enqueue_cmd(pcmdpriv, ph2c); } else{ setopmode_hdl(padapter, (u8 *)psetop); - kfree((u8 *)psetop); + kfree(psetop); } exit: return res; @@ -1016,7 +1016,7 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_ struct security_priv *psecuritypriv = &padapter->securitypriv; u8 res = _SUCCESS; - psetstakey_para = (struct set_stakey_parm *)rtw_zmalloc(sizeof(struct set_stakey_parm)); + psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm)); if (psetstakey_para == NULL) { res = _FAIL; goto exit; @@ -1040,17 +1040,17 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_ padapter->securitypriv.busetkipkey = true; if (enqueue) { - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { - kfree((u8 *) psetstakey_para); + kfree(psetstakey_para); res = _FAIL; goto exit; } - psetstakey_rsp = (struct set_stakey_rsp *)rtw_zmalloc(sizeof(struct set_stakey_rsp)); + psetstakey_rsp = rtw_zmalloc(sizeof(struct set_stakey_rsp)); if (psetstakey_rsp == NULL) { - kfree((u8 *) ph2c); - kfree((u8 *) psetstakey_para); + kfree(ph2c); + kfree(psetstakey_para); res = _FAIL; goto exit; } @@ -1061,7 +1061,7 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 unicast_ res = rtw_enqueue_cmd(pcmdpriv, ph2c); } else{ set_stakey_hdl(padapter, (u8 *)psetstakey_para); - kfree((u8 *) psetstakey_para); + kfree(psetstakey_para); } exit: return res; @@ -1083,23 +1083,23 @@ u8 rtw_clearstakey_cmd(struct adapter *padapter, struct sta_info *sta, u8 enqueu rtw_camid_free(padapter, cam_id); } } else{ - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - psetstakey_para = (struct set_stakey_parm *)rtw_zmalloc(sizeof(struct set_stakey_parm)); + psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm)); if (psetstakey_para == NULL) { - kfree((u8 *) ph2c); + kfree(ph2c); res = _FAIL; goto exit; } - psetstakey_rsp = (struct set_stakey_rsp *)rtw_zmalloc(sizeof(struct set_stakey_rsp)); + psetstakey_rsp = rtw_zmalloc(sizeof(struct set_stakey_rsp)); if (psetstakey_rsp == NULL) { - kfree((u8 *) ph2c); - kfree((u8 *) psetstakey_para); + kfree(ph2c); + kfree(psetstakey_para); res = _FAIL; goto exit; } @@ -1128,15 +1128,15 @@ u8 rtw_addbareq_cmd(struct adapter *padapter, u8 tid, u8 *addr) u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - paddbareq_parm = (struct addBaReq_parm *)rtw_zmalloc(sizeof(struct addBaReq_parm)); + paddbareq_parm = rtw_zmalloc(sizeof(struct addBaReq_parm)); if (paddbareq_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1162,15 +1162,15 @@ u8 rtw_reset_securitypriv_cmd(struct adapter *padapter) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1197,15 +1197,15 @@ u8 rtw_free_assoc_resources_cmd(struct adapter *padapter) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1233,15 +1233,15 @@ u8 rtw_dynamic_chk_wk_cmd(struct adapter *padapter) u8 res = _SUCCESS; /* only primary padapter does this cmd */ - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1283,7 +1283,7 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue, u8 swconf } /* prepare cmd parameter */ - setChannelPlan_param = (struct SetChannelPlan_param *)rtw_zmalloc(sizeof(struct SetChannelPlan_param)); + setChannelPlan_param = rtw_zmalloc(sizeof(struct SetChannelPlan_param)); if (setChannelPlan_param == NULL) { res = _FAIL; goto exit; @@ -1292,9 +1292,9 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue, u8 swconf if (enqueue) { /* need enqueue, prepare cmd_obj and enqueue */ - pcmdobj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmdobj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmdobj == NULL) { - kfree((u8 *)setChannelPlan_param); + kfree(setChannelPlan_param); res = _FAIL; goto exit; } @@ -1306,7 +1306,7 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue, u8 swconf if (H2C_SUCCESS != set_chplan_hdl(padapter, (unsigned char *)setChannelPlan_param)) res = _FAIL; - kfree((u8 *)setChannelPlan_param); + kfree(setChannelPlan_param); } /* do something based on res... */ @@ -1553,15 +1553,15 @@ u8 rtw_lps_ctrl_wk_cmd(struct adapter *padapter, u8 lps_ctrl_type, u8 enqueue) /* return res; */ if (enqueue) { - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1595,15 +1595,15 @@ u8 rtw_dm_in_lps_wk_cmd(struct adapter *padapter) u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1668,15 +1668,15 @@ u8 rtw_dm_ra_mask_wk_cmd(struct adapter *padapter, u8 *psta) u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1719,15 +1719,15 @@ u8 rtw_ps_cmd(struct adapter *padapter) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ppscmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ppscmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (ppscmd == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ppscmd); + kfree(ppscmd); res = _FAIL; goto exit; } @@ -1791,15 +1791,15 @@ u8 rtw_chk_hi_queue_cmd(struct adapter *padapter) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((unsigned char *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1890,15 +1890,15 @@ u8 rtw_c2h_packet_wk_cmd(struct adapter *padapter, u8 *pbuf, u16 length) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((u8 *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1925,15 +1925,15 @@ u8 rtw_c2h_wk_cmd(struct adapter *padapter, u8 *c2h_evt) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); + pdrvextra_cmd_parm = rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); if (pdrvextra_cmd_parm == NULL) { - kfree((u8 *)ph2c); + kfree(ph2c); res = _FAIL; goto exit; } @@ -1967,7 +1967,7 @@ static void c2h_wk_callback(_workitem *work) /* This C2H event is read, clear it */ c2h_evt_clear(adapter); } else{ - c2h_evt = (u8 *)rtw_malloc(16); + c2h_evt = rtw_malloc(16); if (c2h_evt != NULL) { /* This C2H event is not read, read & clear now */ if (rtw_hal_c2h_evt_read(adapter, c2h_evt) != _SUCCESS) { diff --git a/drivers/staging/rtl8723bs/core/rtw_debug.c b/drivers/staging/rtl8723bs/core/rtw_debug.c index 3db02e9f27ab..b5dd244fee8f 100644 --- a/drivers/staging/rtl8723bs/core/rtw_debug.c +++ b/drivers/staging/rtl8723bs/core/rtw_debug.c @@ -1122,7 +1122,8 @@ int proc_get_rx_ampdu(struct seq_file *m, void *v) if (pregpriv) DBG_871X_SEL_NL(m, - "bAcceptAddbaReq = %d , 0:Reject AP's Add BA req, 1:Accept AP's Add BA req.\n", pmlmeinfo->bAcceptAddbaReq + "accept_addba_req = %d , 0:Reject AP's Add BA req, 1:Accept AP's Add BA req.\n", + pmlmeinfo->accept_addba_req ); return 0; @@ -1146,8 +1147,9 @@ ssize_t proc_set_rx_ampdu(struct file *file, const char __user *buffer, size_t c sscanf(tmp, "%d ", &mode); if (pregpriv && mode < 2) { - pmlmeinfo->bAcceptAddbaReq = mode; - DBG_871X("pmlmeinfo->bAcceptAddbaReq =%d\n", pmlmeinfo->bAcceptAddbaReq); + pmlmeinfo->accept_addba_req = mode; + DBG_871X("pmlmeinfo->accept_addba_req =%d\n", + pmlmeinfo->accept_addba_req); if (mode == 0) { /*tear down Rx AMPDU*/ send_delba(padapter, 0, get_my_bssid(&(pmlmeinfo->network)));/* recipient*/ diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c index 7b37e085b793..9167900b5f7d 100644 --- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c +++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c @@ -1189,9 +1189,9 @@ void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr) (mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) || ((mac[0] == 0x00) && (mac[1] == 0x00) && (mac[2] == 0x00) && (mac[3] == 0x00) && (mac[4] == 0x00) && (mac[5] == 0x00))) { - if (np && - (addr = of_get_property(np, "local-mac-address", &len)) && - len == ETH_ALEN) { + if (np && + (addr = of_get_property(np, "local-mac-address", &len)) && + len == ETH_ALEN) { memcpy(mac_addr, addr, ETH_ALEN); } else { mac[0] = 0x00; diff --git a/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c b/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c index d815a693fa64..e5354cec8dd5 100644 --- a/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c +++ b/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c @@ -590,14 +590,10 @@ u8 rtw_set_802_11_authentication_mode(struct adapter *padapter, enum NDIS_802_11 u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep) { - u8 bdefaultkey; - u8 btransmitkey; sint keyid, res; struct security_priv *psecuritypriv = &(padapter->securitypriv); u8 ret = _SUCCESS; - bdefaultkey = (wep->KeyIndex & 0x40000000) > 0 ? false : true; /* for ??? */ - btransmitkey = (wep->KeyIndex & 0x80000000) > 0 ? true : false; /* for ??? */ keyid = wep->KeyIndex & 0x3fffffff; if (keyid >= 4) { diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme.c b/drivers/staging/rtl8723bs/core/rtw_mlme.c index cb8a95aabd6c..fe739eb2cf7d 100644 --- a/drivers/staging/rtl8723bs/core/rtw_mlme.c +++ b/drivers/staging/rtl8723bs/core/rtw_mlme.c @@ -28,9 +28,6 @@ sint _rtw_init_mlme_priv(struct adapter *padapter) struct mlme_priv *pmlmepriv = &padapter->mlmepriv; sint res = _SUCCESS; - /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ - /* memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv)); */ - pmlmepriv->nic_hdl = (u8 *)padapter; pmlmepriv->pscanned = NULL; @@ -1817,8 +1814,10 @@ void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf) * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss * @adapter: pointer to struct adapter structure */ -void _rtw_join_timeout_handler (struct adapter *adapter) +void _rtw_join_timeout_handler(struct timer_list *t) { + struct adapter *adapter = from_timer(adapter, t, + mlmepriv.assoc_timer); struct mlme_priv *pmlmepriv = &adapter->mlmepriv; DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv)); @@ -1870,8 +1869,10 @@ void _rtw_join_timeout_handler (struct adapter *adapter) * rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey * @adapter: pointer to struct adapter structure */ -void rtw_scan_timeout_handler (struct adapter *adapter) +void rtw_scan_timeout_handler(struct timer_list *t) { + struct adapter *adapter = from_timer(adapter, t, + mlmepriv.scan_to_timer); struct mlme_priv *pmlmepriv = &adapter->mlmepriv; DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv)); @@ -1934,7 +1935,7 @@ exit: return; } -void rtw_dynamic_check_timer_handlder(struct adapter *adapter) +void rtw_dynamic_check_timer_handler(struct adapter *adapter) { if (!adapter) return; @@ -2271,13 +2272,13 @@ sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); sint res = _SUCCESS; - pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; /* try again */ goto exit; } - psetauthparm = (struct setauth_parm *)rtw_zmalloc(sizeof(struct setauth_parm)); + psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm)); if (psetauthparm == NULL) { kfree((unsigned char *)pcmd); res = _FAIL; @@ -2312,7 +2313,7 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); sint res = _SUCCESS; - psetkeyparm = (struct setkey_parm *)rtw_zmalloc(sizeof(struct setkey_parm)); + psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm)); if (psetkeyparm == NULL) { res = _FAIL; goto exit; @@ -2364,7 +2365,7 @@ sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, s if (enqueue) { - pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { kfree((unsigned char *)psetkeyparm); res = _FAIL; /* try again */ diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c index b6d137f505e1..7d7756e40bcb 100644 --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c @@ -17,6 +17,7 @@ #include <drv_types.h> #include <rtw_debug.h> #include <rtw_wifi_regd.h> +#include <linux/kernel.h> static struct mlme_handler mlme_sta_tbl[] = { @@ -474,15 +475,12 @@ int init_mlme_ext_priv(struct adapter *padapter) struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ - /* memset((u8 *)pmlmeext, 0, sizeof(struct mlme_ext_priv)); */ - pmlmeext->padapter = padapter; /* fill_fwpriv(padapter, &(pmlmeext->fwpriv)); */ init_mlme_ext_priv_value(padapter); - pmlmeinfo->bAcceptAddbaReq = pregistrypriv->bAcceptAddbaReq; + pmlmeinfo->accept_addba_req = pregistrypriv->accept_addba_req; init_mlme_ext_timer(padapter); @@ -510,7 +508,7 @@ void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext) if (!padapter) return; - if (padapter->bDriverStopped == true) { + if (padapter->bDriverStopped) { del_timer_sync(&pmlmeext->survey_timer); del_timer_sync(&pmlmeext->link_timer); /* del_timer_sync(&pmlmeext->ADDBA_timer); */ @@ -562,7 +560,7 @@ void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame) index = GetFrameSubType(pframe) >> 4; - if (index >= (sizeof(mlme_sta_tbl) / sizeof(struct mlme_handler))) { + if (index >= ARRAY_SIZE(mlme_sta_tbl)) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Currently we do not support reserved sub-fr-type =%d\n", index)); return; } @@ -582,11 +580,11 @@ void mgt_dispatcher(struct adapter *padapter, union recv_frame *precv_frame) switch (GetFrameSubType(pframe)) { case WIFI_AUTH: - if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) ptable->func = &OnAuth; else ptable->func = &OnAuthClient; - /* pass through */ + /* fall through */ case WIFI_ASSOCREQ: case WIFI_REASSOCREQ: _mgt_dispatcher(padapter, ptable, precv_frame); @@ -637,8 +635,8 @@ unsigned int OnProbeReq(struct adapter *padapter, union recv_frame *precv_frame) /* DBG_871X("+OnProbeReq\n"); */ #ifdef CONFIG_AUTO_AP_MODE - if (check_fwstate(pmlmepriv, _FW_LINKED) == true && - pmlmepriv->cur_network.join_res == true) { + if (check_fwstate(pmlmepriv, _FW_LINKED) && + pmlmepriv->cur_network.join_res) { struct sta_info *psta; u8 *mac_addr, *peer_addr; struct sta_priv *pstapriv = &padapter->stapriv; @@ -752,7 +750,7 @@ _non_rc_device: /* check (wildcard) SSID */ if (p != NULL) { - if (is_valid_p2p_probereq == true) + if (is_valid_p2p_probereq) goto _issue_probersp; if ((ielen != 0 && false == !memcmp((void *)(p+2), (void *)cur->Ssid.Ssid, cur->Ssid.SsidLength)) @@ -761,8 +759,8 @@ _non_rc_device: return _SUCCESS; _issue_probersp: - if (((check_fwstate(pmlmepriv, _FW_LINKED) == true && - pmlmepriv->cur_network.join_res == true)) || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { + if ((check_fwstate(pmlmepriv, _FW_LINKED) && + pmlmepriv->cur_network.join_res) || check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { /* DBG_871X("+issue_probersp during ap mode\n"); */ issue_probersp(padapter, get_sa(pframe), is_valid_p2p_probereq); } @@ -818,7 +816,7 @@ unsigned int OnBeacon(struct adapter *padapter, union recv_frame *precv_frame) if (!memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), ETH_ALEN)) { if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) { /* we should update current network before auth, or some IE is wrong */ - pbss = (struct wlan_bssid_ex *)rtw_malloc(sizeof(struct wlan_bssid_ex)); + pbss = rtw_malloc(sizeof(struct wlan_bssid_ex)); if (pbss) { if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) { update_network(&(pmlmepriv->cur_network.network), pbss, padapter, true); @@ -1773,7 +1771,7 @@ unsigned int OnDeAuth(struct adapter *padapter, union recv_frame *precv_frame) DBG_871X("%s Reason code(%d)\n", __func__, reason); - if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) { + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; @@ -1848,7 +1846,7 @@ unsigned int OnDisassoc(struct adapter *padapter, union recv_frame *precv_frame) DBG_871X("%s Reason code(%d)\n", __func__, reason); - if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) { + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; @@ -1976,7 +1974,7 @@ unsigned int OnAction_back(struct adapter *padapter, union recv_frame *precv_fra /* process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), GetAddr3Ptr(pframe)); */ process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), addr); - if (pmlmeinfo->bAcceptAddbaReq == true) { + if (pmlmeinfo->accept_addba_req) { issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 0); } else{ issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */ @@ -2227,7 +2225,7 @@ unsigned int OnAction(struct adapter *padapter, union recv_frame *precv_frame) category = frame_body[0]; - for (i = 0; i < sizeof(OnAction_tbl)/sizeof(struct action_handler); i++) { + for (i = 0; i < ARRAY_SIZE(OnAction_tbl); i++) { ptable = &OnAction_tbl[i]; if (category == ptable->num) @@ -2350,8 +2348,8 @@ void update_mgntframe_attrib_addr(struct adapter *padapter, struct xmit_frame *p void dump_mgntframe(struct adapter *padapter, struct xmit_frame *pmgntframe) { - if (padapter->bSurpriseRemoved == true || - padapter->bDriverStopped == true) { + if (padapter->bSurpriseRemoved || + padapter->bDriverStopped) { rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf); rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe); return; @@ -2368,8 +2366,8 @@ s32 dump_mgntframe_and_wait(struct adapter *padapter, struct xmit_frame *pmgntfr struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf; struct submit_ctx sctx; - if (padapter->bSurpriseRemoved == true || - padapter->bDriverStopped == true) { + if (padapter->bSurpriseRemoved || + padapter->bDriverStopped) { rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf); rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe); return ret; @@ -2397,8 +2395,8 @@ s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, struct xmit_frame *pmg u32 timeout_ms = 500;/* 500ms */ struct xmit_priv *pxmitpriv = &padapter->xmitpriv; - if (padapter->bSurpriseRemoved == true || - padapter->bDriverStopped == true) { + if (padapter->bSurpriseRemoved || + padapter->bDriverStopped) { rtw_free_xmitbuf(&padapter->xmitpriv, pmgntframe->pxmitbuf); rtw_free_xmitframe(&padapter->xmitpriv, pmgntframe); return -1; @@ -2833,7 +2831,9 @@ void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p } -static int _issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da, u8 ch, bool append_wps, int wait_ack) +static int _issue_probereq(struct adapter *padapter, + struct ndis_802_11_ssid *pssid, + u8 *da, u8 ch, bool append_wps, bool wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -3394,7 +3394,7 @@ void issue_assocreq(struct adapter *padapter) pframe = rtw_set_ie(pframe, EID_WPA2, pIE->Length, pIE->data, &(pattrib->pktlen)); break; case EID_HTCapability: - if (padapter->mlmepriv.htpriv.ht_option == true) { + if (padapter->mlmepriv.htpriv.ht_option) { if (!(is_ap_in_tkip(padapter))) { memcpy(&(pmlmeinfo->HT_caps), pIE->data, sizeof(struct HT_caps_element)); pframe = rtw_set_ie(pframe, EID_HTCapability, pIE->Length, (u8 *)(&(pmlmeinfo->HT_caps)), &(pattrib->pktlen)); @@ -3403,7 +3403,7 @@ void issue_assocreq(struct adapter *padapter) break; case EID_EXTCapability: - if (padapter->mlmepriv.htpriv.ht_option == true) + if (padapter->mlmepriv.htpriv.ht_option) pframe = rtw_set_ie(pframe, EID_EXTCapability, pIE->Length, pIE->data, &(pattrib->pktlen)); break; default: @@ -3432,7 +3432,8 @@ exit: } /* when wait_ack is ture, this function shoule be called at process context */ -static int _issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int wait_ack) +static int _issue_nulldata(struct adapter *padapter, unsigned char *da, + unsigned int power_mode, bool wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -3593,7 +3594,8 @@ s32 issue_nulldata_in_interrupt(struct adapter *padapter, u8 *da) } /* when wait_ack is ture, this function shoule be called at process context */ -static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int wait_ack) +static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da, + u16 tid, bool wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -3717,7 +3719,8 @@ exit: return ret; } -static int _issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason, u8 wait_ack) +static int _issue_deauth(struct adapter *padapter, unsigned char *da, + unsigned short reason, bool wait_ack) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; @@ -4219,7 +4222,7 @@ unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr) if (initiator == 0) {/* recipient */ for (tid = 0; tid < MAXTID; tid++) { - if (psta->recvreorder_ctrl[tid].enable == true) { + if (psta->recvreorder_ctrl[tid].enable) { DBG_871X("rx agg disable tid(%d)\n", tid); issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F)); psta->recvreorder_ctrl[tid].enable = false; @@ -4408,7 +4411,7 @@ void site_survey(struct adapter *padapter) Restore_DM_Func_Flag(padapter); /* Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); */ - if (is_client_associated_to_ap(padapter) == true) + if (is_client_associated_to_ap(padapter)) issue_nulldata(padapter, NULL, 0, 3, 500); val8 = 0; /* survey done */ @@ -5049,12 +5052,12 @@ void report_survey_event(struct adapter *padapter, union recv_frame *precv_frame pmlmeext = &padapter->mlmeextpriv; pcmdpriv = &padapter->cmdpriv; - pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header)); - pevtcmd = (u8 *)rtw_zmalloc(cmdsz); + pevtcmd = rtw_zmalloc(cmdsz); if (pevtcmd == NULL) { kfree((u8 *)pcmd_obj); return; @@ -5102,12 +5105,12 @@ void report_surveydone_event(struct adapter *padapter) struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; - pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header)); - pevtcmd = (u8 *)rtw_zmalloc(cmdsz); + pevtcmd = rtw_zmalloc(cmdsz); if (pevtcmd == NULL) { kfree((u8 *)pcmd_obj); return; @@ -5149,12 +5152,12 @@ void report_join_res(struct adapter *padapter, int res) struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct cmd_priv *pcmdpriv = &padapter->cmdpriv; - pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header)); - pevtcmd = (u8 *)rtw_zmalloc(cmdsz); + pevtcmd = rtw_zmalloc(cmdsz); if (pevtcmd == NULL) { kfree((u8 *)pcmd_obj); return; @@ -5200,12 +5203,12 @@ void report_wmm_edca_update(struct adapter *padapter) struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; - pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct wmm_event) + sizeof(struct C2HEvent_Header)); - pevtcmd = (u8 *)rtw_zmalloc(cmdsz); + pevtcmd = rtw_zmalloc(cmdsz); if (pevtcmd == NULL) { kfree((u8 *)pcmd_obj); return; @@ -5246,13 +5249,13 @@ void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsi struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; - pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd_obj == NULL) { return; } cmdsz = (sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header)); - pevtcmd = (u8 *)rtw_zmalloc(cmdsz); + pevtcmd = rtw_zmalloc(cmdsz); if (pevtcmd == NULL) { kfree((u8 *)pcmd_obj); return; @@ -5302,12 +5305,12 @@ void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; - pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + pcmd_obj = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header)); - pevtcmd = (u8 *)rtw_zmalloc(cmdsz); + pevtcmd = rtw_zmalloc(cmdsz); if (pevtcmd == NULL) { kfree((u8 *)pcmd_obj); return; @@ -5445,7 +5448,7 @@ static void rtw_mlmeext_disconnect(struct adapter *padapter) pmlmeinfo->state = WIFI_FW_NULL_STATE; if (state_backup == WIFI_FW_STATION_STATE) { - if (rtw_port_switch_chk(padapter) == true) { + if (rtw_port_switch_chk(padapter)) { rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL); { struct adapter *port0_iface = dvobj_get_port0_adapter(adapter_to_dvobj(padapter)); @@ -5534,7 +5537,7 @@ void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res) rtw_hal_macid_wakeup(padapter, psta->mac_id); } - if (rtw_port_switch_chk(padapter) == true) + if (rtw_port_switch_chk(padapter)) rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL); join_type = 2; @@ -5659,7 +5662,7 @@ void _linked_info_dump(struct adapter *padapter) } for (i = 0; i < NUM_STA; i++) { - if (pdvobj->macid[i] == true) { + if (pdvobj->macid[i]) { if (i != 1) /* skip bc/mc sta */ /* tx info ============ */ rtw_hal_get_def_var(padapter, HW_DEF_RA_INFO_DUMP, &i); @@ -5827,8 +5830,10 @@ void linked_status_chk(struct adapter *padapter) } -void survey_timer_hdl(struct adapter *padapter) +void survey_timer_hdl(struct timer_list *t) { + struct adapter *padapter = + from_timer(padapter, t, mlmeextpriv.survey_timer); struct cmd_obj *ph2c; struct sitesurvey_parm *psurveyPara; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; @@ -5842,7 +5847,7 @@ void survey_timer_hdl(struct adapter *padapter) pmlmeext->sitesurvey_res.channel_idx++; } - if (pmlmeext->scan_abort == true) { + if (pmlmeext->scan_abort) { { pmlmeext->sitesurvey_res.channel_idx = pmlmeext->sitesurvey_res.ch_num; DBG_871X("%s idx:%d\n", __func__ @@ -5853,12 +5858,12 @@ void survey_timer_hdl(struct adapter *padapter) pmlmeext->scan_abort = false;/* reset */ } - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { goto exit_survey_timer_hdl; } - psurveyPara = (struct sitesurvey_parm *)rtw_zmalloc(sizeof(struct sitesurvey_parm)); + psurveyPara = rtw_zmalloc(sizeof(struct sitesurvey_parm)); if (psurveyPara == NULL) { kfree((unsigned char *)ph2c); goto exit_survey_timer_hdl; @@ -5874,8 +5879,10 @@ exit_survey_timer_hdl: return; } -void link_timer_hdl(struct adapter *padapter) +void link_timer_hdl(struct timer_list *t) { + struct adapter *padapter = + from_timer(padapter, t, mlmeextpriv.link_timer); /* static unsigned int rx_pkt = 0; */ /* static u64 tx_cnt = 0; */ /* struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); */ @@ -5924,8 +5931,9 @@ void link_timer_hdl(struct adapter *padapter) return; } -void addba_timer_hdl(struct sta_info *psta) +void addba_timer_hdl(struct timer_list *t) { + struct sta_info *psta = from_timer(psta, t, addba_retry_timer); struct ht_priv *phtpriv; if (!psta) @@ -5933,20 +5941,22 @@ void addba_timer_hdl(struct sta_info *psta) phtpriv = &psta->htpriv; - if ((phtpriv->ht_option == true) && (phtpriv->ampdu_enable == true)) { + if (phtpriv->ht_option && phtpriv->ampdu_enable) { if (phtpriv->candidate_tid_bitmap) phtpriv->candidate_tid_bitmap = 0x0; } } -void sa_query_timer_hdl(struct adapter *padapter) +void sa_query_timer_hdl(struct timer_list *t) { + struct adapter *padapter = + from_timer(padapter, t, mlmeextpriv.sa_query_timer); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; /* disconnect */ spin_lock_bh(&pmlmepriv->lock); - if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { + if (check_fwstate(pmlmepriv, _FW_LINKED)) { rtw_disassoc_cmd(padapter, 0, true); rtw_indicate_disconnect(padapter); rtw_free_assoc_resources(padapter, 1); @@ -6084,7 +6094,7 @@ u8 setopmode_hdl(struct adapter *padapter, u8 *pbuf) rtw_auto_ap_start_beacon(padapter); #endif - if (rtw_port_switch_chk(padapter) == true) { + if (rtw_port_switch_chk(padapter)) { rtw_hal_set_hwreg(padapter, HW_VAR_PORT_SWITCH, NULL); if (psetop->mode == Ndis802_11APMode) @@ -6358,7 +6368,7 @@ static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_c set_idx = rtw_ch_set_search_ch(pmlmeext->channel_set, in[i].hw_value); if (in[i].hw_value && !(in[i].flags & RTW_IEEE80211_CHAN_DISABLED) && set_idx >= 0 - && rtw_mlme_band_check(padapter, in[i].hw_value) == true + && rtw_mlme_band_check(padapter, in[i].hw_value) ) { if (j >= out_num) { DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" out_num:%u not enough\n", @@ -6383,7 +6393,7 @@ static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_c DBG_871X(FUNC_ADPT_FMT" ch:%u\n", FUNC_ADPT_ARG(padapter), pmlmeext->channel_set[i].ChannelNum); - if (rtw_mlme_band_check(padapter, pmlmeext->channel_set[i].ChannelNum) == true) { + if (rtw_mlme_band_check(padapter, pmlmeext->channel_set[i].ChannelNum)) { if (j >= out_num) { DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" out_num:%u not enough\n", @@ -6435,7 +6445,7 @@ u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf) pmlmeext->sitesurvey_res.scan_mode = pparm->scan_mode; /* issue null data if associating to the AP */ - if (is_client_associated_to_ap(padapter) == true) { + if (is_client_associated_to_ap(padapter)) { pmlmeext->sitesurvey_res.state = SCAN_TXNULL; issue_nulldata(padapter, NULL, 1, 3, 500); @@ -6602,7 +6612,7 @@ u8 chk_bmc_sleepq_cmd(struct adapter *padapter) struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); u8 res = _SUCCESS; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; @@ -6626,13 +6636,13 @@ u8 set_tx_beacon_cmd(struct adapter *padapter) u8 res = _SUCCESS; int len_diff = 0; - ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); + ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (ph2c == NULL) { res = _FAIL; goto exit; } - ptxBeacon_parm = (struct Tx_Beacon_param *)rtw_zmalloc(sizeof(struct Tx_Beacon_param)); + ptxBeacon_parm = rtw_zmalloc(sizeof(struct Tx_Beacon_param)); if (ptxBeacon_parm == NULL) { kfree((unsigned char *)ph2c); res = _FAIL; @@ -6767,7 +6777,7 @@ u8 chk_bmc_sleepq_hdl(struct adapter *padapter, unsigned char *pbuf) pxmitframe->attrib.triggered = 1; - if (xmitframe_hiq_filter(pxmitframe) == true) + if (xmitframe_hiq_filter(pxmitframe)) pxmitframe->attrib.qsel = 0x11;/* HIQ */ rtw_hal_xmitframe_enqueue(padapter, pxmitframe); @@ -6809,7 +6819,7 @@ int rtw_chk_start_clnt_join(struct adapter *padapter, u8 *ch, u8 *bw, u8 *offset connect_allow = false; } - if (connect_allow == true) { + if (connect_allow) { DBG_871X("start_join_set_ch_bw: ch =%d, bwmode =%d, ch_offset =%d\n", cur_ch, cur_bw, cur_ch_offset); *ch = cur_ch; *bw = cur_bw; diff --git a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c b/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c index aabdaafcbdd3..4a6af72013fa 100644 --- a/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c +++ b/drivers/staging/rtl8723bs/core/rtw_pwrctrl.c @@ -34,7 +34,7 @@ void _ips_enter(struct adapter *padapter) if (rf_off == pwrpriv->change_rfpwrstate) { pwrpriv->bpower_saving = true; - DBG_871X_LEVEL(_drv_always_, "nolinked power save enter\n"); + DBG_871X("nolinked power save enter\n"); if (pwrpriv->ips_mode == IPS_LEVEL_2) pwrpriv->bkeepfwalive = true; @@ -73,7 +73,7 @@ int _ips_leave(struct adapter *padapter) if (result == _SUCCESS) { pwrpriv->rf_pwrstate = rf_on; } - DBG_871X_LEVEL(_drv_always_, "nolinked power save leave\n"); + DBG_871X("nolinked power save leave\n"); DBG_871X("==> ips_leave.....LED(0x%08x)...\n", rtw_read32(padapter, 0x4c)); pwrpriv->bips_processing = false; @@ -201,10 +201,12 @@ exit: return; } -void pwr_state_check_handler(RTW_TIMER_HDL_ARGS); -void pwr_state_check_handler(RTW_TIMER_HDL_ARGS) +static void pwr_state_check_handler(struct timer_list *t) { - struct adapter *padapter = (struct adapter *)FunctionContext; + struct pwrctrl_priv *pwrctrlpriv = + from_timer(pwrctrlpriv, t, pwr_state_check_timer); + struct adapter *padapter = pwrctrlpriv->adapter; + rtw_ps_cmd(padapter); } @@ -823,14 +825,10 @@ exit: /* * This function is a timer handler, can't do any IO in it. */ -static void pwr_rpwm_timeout_handler(void *FunctionContext) +static void pwr_rpwm_timeout_handler(struct timer_list *t) { - struct adapter *padapter; - struct pwrctrl_priv *pwrpriv; - + struct pwrctrl_priv *pwrpriv = from_timer(pwrpriv, t, pwr_rpwm_timer); - padapter = FunctionContext; - pwrpriv = adapter_to_pwrctl(padapter); DBG_871X("+%s: rpwm = 0x%02X cpwm = 0x%02X\n", __func__, pwrpriv->rpwm, pwrpriv->cpwm); if ((pwrpriv->rpwm == pwrpriv->cpwm) || (pwrpriv->cpwm >= PS_STATE_S2)) { @@ -1154,7 +1152,7 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter) pwrctrlpriv->LpsIdleCount = 0; pwrctrlpriv->power_mgnt = padapter->registrypriv.power_mgnt;/* PS_MODE_MIN; */ - pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false; + pwrctrlpriv->bLeisurePs = pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE; pwrctrlpriv->bFwCurrentInPSMode = false; @@ -1173,10 +1171,11 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter) _init_workitem(&pwrctrlpriv->cpwm_event, cpwm_event_callback, NULL); pwrctrlpriv->brpwmtimeout = false; + pwrctrlpriv->adapter = padapter; _init_workitem(&pwrctrlpriv->rpwmtimeoutwi, rpwmtimeout_workitem_callback, NULL); - _init_timer(&pwrctrlpriv->pwr_rpwm_timer, padapter->pnetdev, pwr_rpwm_timeout_handler, padapter); - - rtw_init_timer(&pwrctrlpriv->pwr_state_check_timer, padapter, pwr_state_check_handler); + timer_setup(&pwrctrlpriv->pwr_rpwm_timer, pwr_rpwm_timeout_handler, 0); + timer_setup(&pwrctrlpriv->pwr_state_check_timer, + pwr_state_check_handler, 0); pwrctrlpriv->wowlan_mode = false; pwrctrlpriv->wowlan_ap_mode = false; @@ -1193,8 +1192,6 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter) void rtw_free_pwrctrl_priv(struct adapter *adapter) { - /* memset((unsigned char *)pwrctrlpriv, 0, sizeof(struct pwrctrl_priv)); */ - #ifdef CONFIG_PNO_SUPPORT if (pwrctrlpriv->pnlo_info != NULL) printk("****** pnlo_info memory leak********\n"); @@ -1327,7 +1324,8 @@ int rtw_pm_set_lps(struct adapter *padapter, u8 mode) pwrctrlpriv->LpsIdleCount = 2; pwrctrlpriv->power_mgnt = mode; - pwrctrlpriv->bLeisurePs = (PS_MODE_ACTIVE != pwrctrlpriv->power_mgnt)?true:false; + pwrctrlpriv->bLeisurePs = + pwrctrlpriv->power_mgnt != PS_MODE_ACTIVE; } } else ret = -EINVAL; diff --git a/drivers/staging/rtl8723bs/core/rtw_recv.c b/drivers/staging/rtl8723bs/core/rtw_recv.c index 68a6303e2754..9c7c3be0553a 100644 --- a/drivers/staging/rtl8723bs/core/rtw_recv.c +++ b/drivers/staging/rtl8723bs/core/rtw_recv.c @@ -26,7 +26,7 @@ u8 rtw_rfc1042_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; /* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ u8 rtw_bridge_tunnel_header[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; -void rtw_signal_stat_timer_hdl(RTW_TIMER_HDL_ARGS); +static void rtw_signal_stat_timer_hdl(struct timer_list *t); void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv) { @@ -46,9 +46,6 @@ sint _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter) union recv_frame *precvframe; sint res = _SUCCESS; - /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ - /* memset((unsigned char *)precvpriv, 0, sizeof (struct recv_priv)); */ - spin_lock_init(&precvpriv->lock); _rtw_init_queue(&precvpriv->free_recv_queue); @@ -65,7 +62,6 @@ sint _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter) res = _FAIL; goto exit; } - /* memset(precvpriv->pallocated_frame_buf, 0, NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ); */ precvpriv->precv_frame_buf = (u8 *)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_frame_buf), RXFRAME_ALIGN_SZ); /* precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf + RXFRAME_ALIGN_SZ - */ @@ -90,7 +86,8 @@ sint _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter) res = rtw_hal_init_recv_priv(padapter); - rtw_init_timer(&precvpriv->signal_stat_timer, padapter, rtw_signal_stat_timer_hdl); + timer_setup(&precvpriv->signal_stat_timer, rtw_signal_stat_timer_hdl, + 0); precvpriv->signal_stat_sampling_interval = 2000; /* ms */ @@ -129,7 +126,7 @@ union recv_frame *_rtw_alloc_recvframe(struct __queue *pfree_recv_queue) plist = get_next(phead); - precvframe = LIST_CONTAINOR(plist, union recv_frame, u); + precvframe = (union recv_frame *)plist; list_del_init(&precvframe->u.hdr.list); padapter = precvframe->u.hdr.adapter; @@ -243,7 +240,7 @@ void rtw_free_recvframe_queue(struct __queue *pframequeue, struct __queue *pfre plist = get_next(phead); while (phead != plist) { - precvframe = LIST_CONTAINOR(plist, union recv_frame, u); + precvframe = (union recv_frame *)plist; plist = get_next(plist); @@ -1732,7 +1729,7 @@ static union recv_frame *recvframe_defrag(struct adapter *adapter, phead = get_list_head(defrag_q); plist = get_next(phead); - prframe = LIST_CONTAINOR(plist, union recv_frame, u); + prframe = (union recv_frame *)plist; pfhdr = &prframe->u.hdr; list_del_init(&(prframe->u.list)); @@ -1754,7 +1751,7 @@ static union recv_frame *recvframe_defrag(struct adapter *adapter, data = get_recvframe_data(prframe); while (phead != plist) { - pnextrframe = LIST_CONTAINOR(plist, union recv_frame, u); + pnextrframe = (union recv_frame *)plist; pnfhdr = &pnextrframe->u.hdr; @@ -2071,7 +2068,7 @@ int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, union rec plist = get_next(phead); while (phead != plist) { - pnextrframe = LIST_CONTAINOR(plist, union recv_frame, u); + pnextrframe = (union recv_frame *)plist; pnextattrib = &pnextrframe->u.hdr.attrib; if (SN_LESS(pnextattrib->seq_num, pattrib->seq_num)) @@ -2146,7 +2143,7 @@ int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reorder_ctr return true; } - prframe = LIST_CONTAINOR(plist, union recv_frame, u); + prframe = (union recv_frame *)plist; pattrib = &prframe->u.hdr.attrib; #ifdef DBG_RX_SEQ @@ -2162,7 +2159,7 @@ int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reorder_ctr /* Check if there is any packet need indicate. */ while (!list_empty(phead)) { - prframe = LIST_CONTAINOR(plist, union recv_frame, u); + prframe = (union recv_frame *)plist; pattrib = &prframe->u.hdr.attrib; if (!SN_LESS(preorder_ctrl->indicate_seq, pattrib->seq_num)) { @@ -2358,9 +2355,10 @@ _err_exit: } -void rtw_reordering_ctrl_timeout_handler(void *pcontext) +void rtw_reordering_ctrl_timeout_handler(struct timer_list *t) { - struct recv_reorder_ctrl *preorder_ctrl = pcontext; + struct recv_reorder_ctrl *preorder_ctrl = + from_timer(preorder_ctrl, t, reordering_ctrl_timer); struct adapter *padapter = preorder_ctrl->padapter; struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue; @@ -2601,9 +2599,10 @@ _recv_entry_drop: return ret; } -void rtw_signal_stat_timer_hdl(RTW_TIMER_HDL_ARGS) +static void rtw_signal_stat_timer_hdl(struct timer_list *t) { - struct adapter *adapter = (struct adapter *)FunctionContext; + struct adapter *adapter = + from_timer(adapter, t, recvpriv.signal_stat_timer); struct recv_priv *recvpriv = &adapter->recvpriv; u32 tmp_s, tmp_q; diff --git a/drivers/staging/rtl8723bs/core/rtw_rf.c b/drivers/staging/rtl8723bs/core/rtw_rf.c index b87ea4e388c0..07f5577cc073 100644 --- a/drivers/staging/rtl8723bs/core/rtw_rf.c +++ b/drivers/staging/rtl8723bs/core/rtw_rf.c @@ -15,6 +15,7 @@ #define _RTW_RF_C_ #include <drv_types.h> +#include <linux/kernel.h> struct ch_freq { @@ -44,20 +45,18 @@ static struct ch_freq ch_freq_map[] = { {216, 5080},/* Japan, means J16 */ }; -static int ch_freq_map_num = (sizeof(ch_freq_map) / sizeof(struct ch_freq)); - u32 rtw_ch2freq(u32 channel) { u8 i; u32 freq = 0; - for (i = 0; i < ch_freq_map_num; i++) { + for (i = 0; i < ARRAY_SIZE(ch_freq_map); i++) { if (channel == ch_freq_map[i].channel) { freq = ch_freq_map[i].frequency; break; } } - if (i == ch_freq_map_num) + if (i == ARRAY_SIZE(ch_freq_map)) freq = 2412; return freq; diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c index 06a7e4059fbb..aadf67bd0559 100644 --- a/drivers/staging/rtl8723bs/core/rtw_security.c +++ b/drivers/staging/rtl8723bs/core/rtw_security.c @@ -2272,7 +2272,7 @@ static void *aes_encrypt_init(u8 *key, size_t len) u32 *rk; if (len != 16) return NULL; - rk = (u32 *)rtw_malloc(AES_PRIV_SIZE); + rk = rtw_malloc(AES_PRIV_SIZE); if (rk == NULL) return NULL; rijndaelKeySetupEnc(rk, key); diff --git a/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c b/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c index cb43ec90a648..03dd6848daa1 100644 --- a/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c +++ b/drivers/staging/rtl8723bs/core/rtw_sta_mgt.c @@ -429,7 +429,7 @@ u32 rtw_free_stainfo(struct adapter *padapter, struct sta_info *psta) plist = get_next(phead); while (!list_empty(phead)) { - prframe = LIST_CONTAINOR(plist, union recv_frame, u); + prframe = (union recv_frame *)plist; plist = get_next(plist); @@ -604,10 +604,10 @@ struct sta_info *rtw_get_bcmc_stainfo(struct adapter *padapter) u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr) { - u8 res = true; + bool res = true; struct list_head *plist, *phead; struct rtw_wlan_acl_node *paclnode; - u8 match = false; + bool match = false; struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; struct __queue *pacl_node_q = &pacl_list->acl_node_q; @@ -630,10 +630,10 @@ u8 rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr) if (pacl_list->mode == 1) /* accept unless in deny list */ - res = (match == true) ? false:true; + res = !match; else if (pacl_list->mode == 2)/* deny unless in accept list */ - res = (match == true) ? true:false; + res = match; else res = true; diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c index f485f541e36d..f6dc26c8bd3d 100644 --- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c @@ -1359,7 +1359,7 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) return true; } - bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex)); + bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex)); if (bssid == NULL) { DBG_871X("%s rtw_zmalloc fail !!!\n", __func__); return true; @@ -1946,7 +1946,7 @@ void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) preorder_ctrl->indicate_seq = 0xffff; #endif - preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq == true) ? true : false; + preorder_ctrl->enable = pmlmeinfo->accept_addba_req; } } diff --git a/drivers/staging/rtl8723bs/core/rtw_xmit.c b/drivers/staging/rtl8723bs/core/rtw_xmit.c index 022f654419e4..be54186fb223 100644 --- a/drivers/staging/rtl8723bs/core/rtw_xmit.c +++ b/drivers/staging/rtl8723bs/core/rtw_xmit.c @@ -51,9 +51,6 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) struct xmit_frame *pxframe; sint res = _SUCCESS; - /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ - /* memset((unsigned char *)pxmitpriv, 0, sizeof(struct xmit_priv)); */ - spin_lock_init(&pxmitpriv->lock); spin_lock_init(&pxmitpriv->lock_sctx); sema_init(&pxmitpriv->xmit_sema, 0); @@ -2166,7 +2163,7 @@ void rtw_alloc_hwxmits(struct adapter *padapter) pxmitpriv->hwxmits = NULL; - pxmitpriv->hwxmits = (struct hw_xmit *)rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); + pxmitpriv->hwxmits = rtw_zmalloc(sizeof(struct hw_xmit) * pxmitpriv->hwxmit_entry); if (pxmitpriv->hwxmits == NULL) { DBG_871X("alloc hwxmits fail!...\n"); diff --git a/drivers/staging/rtl8723bs/hal/Hal8723BReg.h b/drivers/staging/rtl8723bs/hal/Hal8723BReg.h index 152a198c8f17..ce02457922b7 100644 --- a/drivers/staging/rtl8723bs/hal/Hal8723BReg.h +++ b/drivers/staging/rtl8723bs/hal/Hal8723BReg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /***************************************************************************** *Copyright(c) 2009, RealTEK Technology Inc. All Right Reserved. * diff --git a/drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c b/drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c index 51d4219177d3..951585467ab1 100644 --- a/drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c +++ b/drivers/staging/rtl8723bs/hal/HalHWImg8723B_BB.c @@ -13,7 +13,7 @@ * ******************************************************************************/ - +#include <linux/kernel.h> #include "odm_precomp.h" static bool CheckPositive( @@ -268,7 +268,7 @@ static u32 Array_MP_8723B_AGC_TAB[] = { void ODM_ReadAndConfig_MP_8723B_AGC_TAB(PDM_ODM_T pDM_Odm) { u32 i = 0; - u32 ArrayLen = sizeof(Array_MP_8723B_AGC_TAB)/sizeof(u32); + u32 ArrayLen = ARRAY_SIZE(Array_MP_8723B_AGC_TAB); u32 *Array = Array_MP_8723B_AGC_TAB; ODM_RT_TRACE( @@ -537,7 +537,7 @@ static u32 Array_MP_8723B_PHY_REG[] = { void ODM_ReadAndConfig_MP_8723B_PHY_REG(PDM_ODM_T pDM_Odm) { u32 i = 0; - u32 ArrayLen = sizeof(Array_MP_8723B_PHY_REG)/sizeof(u32); + u32 ArrayLen = ARRAY_SIZE(Array_MP_8723B_PHY_REG); u32 *Array = Array_MP_8723B_PHY_REG; ODM_RT_TRACE( @@ -617,7 +617,6 @@ static u32 Array_MP_8723B_PHY_REG_PG[] = { void ODM_ReadAndConfig_MP_8723B_PHY_REG_PG(PDM_ODM_T pDM_Odm) { u32 i = 0; - u32 ArrayLen = sizeof(Array_MP_8723B_PHY_REG_PG)/sizeof(u32); u32 *Array = Array_MP_8723B_PHY_REG_PG; ODM_RT_TRACE( @@ -630,7 +629,7 @@ void ODM_ReadAndConfig_MP_8723B_PHY_REG_PG(PDM_ODM_T pDM_Odm) pDM_Odm->PhyRegPgVersion = 1; pDM_Odm->PhyRegPgValueType = PHY_REG_PG_EXACT_VALUE; - for (i = 0; i < ArrayLen; i += 6) { + for (i = 0; i < ARRAY_SIZE(Array_MP_8723B_PHY_REG_PG); i += 6) { u32 v1 = Array[i]; u32 v2 = Array[i+1]; u32 v3 = Array[i+2]; diff --git a/drivers/staging/rtl8723bs/hal/HalHWImg8723B_MAC.c b/drivers/staging/rtl8723bs/hal/HalHWImg8723B_MAC.c index b868e26f20ac..7f8afa1be1ca 100644 --- a/drivers/staging/rtl8723bs/hal/HalHWImg8723B_MAC.c +++ b/drivers/staging/rtl8723bs/hal/HalHWImg8723B_MAC.c @@ -13,7 +13,7 @@ * ******************************************************************************/ - +#include <linux/kernel.h> #include "odm_precomp.h" static bool CheckPositive( @@ -239,7 +239,7 @@ static u32 Array_MP_8723B_MAC_REG[] = { void ODM_ReadAndConfig_MP_8723B_MAC_REG(PDM_ODM_T pDM_Odm) { u32 i = 0; - u32 ArrayLen = sizeof(Array_MP_8723B_MAC_REG)/sizeof(u32); + u32 ArrayLen = ARRAY_SIZE(Array_MP_8723B_MAC_REG); u32 *Array = Array_MP_8723B_MAC_REG; ODM_RT_TRACE( diff --git a/drivers/staging/rtl8723bs/hal/HalHWImg8723B_RF.c b/drivers/staging/rtl8723bs/hal/HalHWImg8723B_RF.c index 84a0be7ba697..fadfcbd91858 100644 --- a/drivers/staging/rtl8723bs/hal/HalHWImg8723B_RF.c +++ b/drivers/staging/rtl8723bs/hal/HalHWImg8723B_RF.c @@ -13,7 +13,7 @@ * ******************************************************************************/ - +#include <linux/kernel.h> #include "odm_precomp.h" static bool CheckPositive( @@ -270,7 +270,7 @@ static u32 Array_MP_8723B_RadioA[] = { void ODM_ReadAndConfig_MP_8723B_RadioA(PDM_ODM_T pDM_Odm) { u32 i = 0; - u32 ArrayLen = sizeof(Array_MP_8723B_RadioA)/sizeof(u32); + u32 ArrayLen = ARRAY_SIZE(Array_MP_8723B_RadioA); u32 *Array = Array_MP_8723B_RadioA; ODM_RT_TRACE( @@ -766,7 +766,6 @@ static u8 *Array_MP_8723B_TXPWR_LMT[] = { void ODM_ReadAndConfig_MP_8723B_TXPWR_LMT(PDM_ODM_T pDM_Odm) { u32 i = 0; - u32 ArrayLen = sizeof(Array_MP_8723B_TXPWR_LMT)/sizeof(u8 *); u8 **Array = Array_MP_8723B_TXPWR_LMT; ODM_RT_TRACE( @@ -776,7 +775,7 @@ void ODM_ReadAndConfig_MP_8723B_TXPWR_LMT(PDM_ODM_T pDM_Odm) ("===> ODM_ReadAndConfig_MP_8723B_TXPWR_LMT\n") ); - for (i = 0; i < ArrayLen; i += 7) { + for (i = 0; i < ARRAY_SIZE(Array_MP_8723B_TXPWR_LMT); i += 7) { u8 *regulation = Array[i]; u8 *band = Array[i+1]; u8 *bandwidth = Array[i+2]; diff --git a/drivers/staging/rtl8723bs/hal/hal_btcoex.c b/drivers/staging/rtl8723bs/hal/hal_btcoex.c index 86fee109e42d..7d4df5a8832e 100644 --- a/drivers/staging/rtl8723bs/hal/hal_btcoex.c +++ b/drivers/staging/rtl8723bs/hal/hal_btcoex.c @@ -463,7 +463,7 @@ static u8 halbtcoutsrc_Get(void *pBtcContext, u8 getType, void *pOutBuf) break; case BTC_GET_BL_WIFI_UNDER_5G: - *pu8 = (pHalData->CurrentBandType == 1) ? true : false; + *pu8 = pHalData->CurrentBandType == 1; break; case BTC_GET_BL_WIFI_AP_MODE_ENABLE: @@ -1411,15 +1411,8 @@ void hal_btcoex_SetSingleAntPath(struct adapter *padapter, u8 singleAntPath) u8 hal_btcoex_Initialize(struct adapter *padapter) { - u8 ret1; - u8 ret2; - - memset(&GLBtCoexist, 0, sizeof(GLBtCoexist)); - ret1 = EXhalbtcoutsrc_InitlizeVariables((void *)padapter); - ret2 = (ret1 == true) ? true : false; - - return ret2; + return EXhalbtcoutsrc_InitlizeVariables((void *)padapter); } void hal_btcoex_PowerOnSetting(struct adapter *padapter) diff --git a/drivers/staging/rtl8723bs/hal/hal_com.c b/drivers/staging/rtl8723bs/hal/hal_com.c index 3e63b6d9c097..dec887a5b338 100644 --- a/drivers/staging/rtl8723bs/hal/hal_com.c +++ b/drivers/staging/rtl8723bs/hal/hal_com.c @@ -14,6 +14,7 @@ ******************************************************************************/ #define _HAL_COM_C_ +#include <linux/kernel.h> #include <drv_types.h> #include <rtw_debug.h> #include "hal_com_h2c.h" @@ -1622,7 +1623,7 @@ void rtw_get_raw_rssi_info(void *sel, struct adapter *padapter) psample_pkt_rssi->pwdball, psample_pkt_rssi->pwr_all ); - isCCKrate = (psample_pkt_rssi->data_rate <= DESC_RATE11M) ? true : false; + isCCKrate = psample_pkt_rssi->data_rate <= DESC_RATE11M; if (isCCKrate) psample_pkt_rssi->mimo_singal_strength[0] = psample_pkt_rssi->pwdball; @@ -1655,7 +1656,7 @@ void rtw_dump_raw_rssi_info(struct adapter *padapter) DBG_871X("RxRate = %s, PWDBALL = %d(%%), rx_pwr_all = %d(dBm)\n", HDATA_RATE(psample_pkt_rssi->data_rate), psample_pkt_rssi->pwdball, psample_pkt_rssi->pwr_all); - isCCKrate = (psample_pkt_rssi->data_rate <= DESC_RATE11M) ? true : false; + isCCKrate = psample_pkt_rssi->data_rate <= DESC_RATE11M; if (isCCKrate) psample_pkt_rssi->mimo_singal_strength[0] = psample_pkt_rssi->pwdball; @@ -1683,7 +1684,7 @@ void rtw_store_phy_info(struct adapter *padapter, union recv_frame *prframe) struct rx_raw_rssi *psample_pkt_rssi = &padapter->recvpriv.raw_rssi_info; psample_pkt_rssi->data_rate = pattrib->data_rate; - isCCKrate = (pattrib->data_rate <= DESC_RATE11M) ? true : false; + isCCKrate = pattrib->data_rate <= DESC_RATE11M; psample_pkt_rssi->pwdball = pPhyInfo->RxPWDBAll; psample_pkt_rssi->pwr_all = pPhyInfo->RecvSignalPower; @@ -1716,7 +1717,6 @@ void rtw_bb_rf_gain_offset(struct adapter *padapter) { u8 value = padapter->eeprompriv.EEPROMRFGainOffset; u32 res, i = 0; - u32 ArrayLen = sizeof(Array_kfreemap)/sizeof(u32); u32 *Array = Array_kfreemap; u32 v1 = 0, v2 = 0, target = 0; /* DBG_871X("+%s value: 0x%02x+\n", __func__, value); */ @@ -1729,7 +1729,7 @@ void rtw_bb_rf_gain_offset(struct adapter *padapter) res &= 0xfff87fff; DBG_871X("Offset RF Gain. before reg 0x7f = 0x%08x\n", res); /* res &= 0xfff87fff; */ - for (i = 0; i < ArrayLen; i += 2) { + for (i = 0; i < ARRAY_SIZE(Array_kfreemap); i += 2) { v1 = Array[i]; v2 = Array[i+1]; if (v1 == padapter->eeprompriv.EEPROMRFGainVal) { diff --git a/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c b/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c index 566b6f0997da..e6787c22e00b 100644 --- a/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c +++ b/drivers/staging/rtl8723bs/hal/hal_com_phycfg.c @@ -17,6 +17,7 @@ #include <drv_types.h> #include <rtw_debug.h> #include <hal_data.h> +#include <linux/kernel.h> u8 PHY_GetTxPowerByRateBase(struct adapter *Adapter, u8 Band, u8 RfPath, u8 TxNum, enum RATE_SECTION RateSection) @@ -860,7 +861,7 @@ struct adapter *padapter for (txNum = RF_1TX; txNum < RF_MAX_TX_NUM; ++txNum) { /* CCK */ base = PHY_GetTxPowerByRate(padapter, band, path, txNum, MGN_11M); - for (i = 0; i < sizeof(cckRates); ++i) { + for (i = 0; i < ARRAY_SIZE(cckRates); ++i) { value = PHY_GetTxPowerByRate(padapter, band, path, txNum, cckRates[i]); PHY_SetTxPowerByRate(padapter, band, path, txNum, cckRates[i], value - base); } @@ -939,58 +940,78 @@ void PHY_SetTxPowerIndexByRateSection( if (RateSection == CCK) { u8 cckRates[] = {MGN_1M, MGN_2M, MGN_5_5M, MGN_11M}; if (pHalData->CurrentBandType == BAND_ON_2_4G) - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - cckRates, sizeof(cckRates)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, cckRates, + ARRAY_SIZE(cckRates)); } else if (RateSection == OFDM) { u8 ofdmRates[] = {MGN_6M, MGN_9M, MGN_12M, MGN_18M, MGN_24M, MGN_36M, MGN_48M, MGN_54M}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - ofdmRates, sizeof(ofdmRates)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, ofdmRates, + ARRAY_SIZE(ofdmRates)); } else if (RateSection == HT_MCS0_MCS7) { u8 htRates1T[] = {MGN_MCS0, MGN_MCS1, MGN_MCS2, MGN_MCS3, MGN_MCS4, MGN_MCS5, MGN_MCS6, MGN_MCS7}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - htRates1T, sizeof(htRates1T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, htRates1T, + ARRAY_SIZE(htRates1T)); } else if (RateSection == HT_MCS8_MCS15) { u8 htRates2T[] = {MGN_MCS8, MGN_MCS9, MGN_MCS10, MGN_MCS11, MGN_MCS12, MGN_MCS13, MGN_MCS14, MGN_MCS15}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - htRates2T, sizeof(htRates2T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, htRates2T, + ARRAY_SIZE(htRates2T)); } else if (RateSection == HT_MCS16_MCS23) { u8 htRates3T[] = {MGN_MCS16, MGN_MCS17, MGN_MCS18, MGN_MCS19, MGN_MCS20, MGN_MCS21, MGN_MCS22, MGN_MCS23}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - htRates3T, sizeof(htRates3T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, htRates3T, + ARRAY_SIZE(htRates3T)); } else if (RateSection == HT_MCS24_MCS31) { u8 htRates4T[] = {MGN_MCS24, MGN_MCS25, MGN_MCS26, MGN_MCS27, MGN_MCS28, MGN_MCS29, MGN_MCS30, MGN_MCS31}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - htRates4T, sizeof(htRates4T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, htRates4T, + ARRAY_SIZE(htRates4T)); } else if (RateSection == VHT_1SSMCS0_1SSMCS9) { u8 vhtRates1T[] = {MGN_VHT1SS_MCS0, MGN_VHT1SS_MCS1, MGN_VHT1SS_MCS2, MGN_VHT1SS_MCS3, MGN_VHT1SS_MCS4, MGN_VHT1SS_MCS5, MGN_VHT1SS_MCS6, MGN_VHT1SS_MCS7, MGN_VHT1SS_MCS8, MGN_VHT1SS_MCS9}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - vhtRates1T, sizeof(vhtRates1T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, vhtRates1T, + ARRAY_SIZE(vhtRates1T)); } else if (RateSection == VHT_2SSMCS0_2SSMCS9) { u8 vhtRates2T[] = {MGN_VHT2SS_MCS0, MGN_VHT2SS_MCS1, MGN_VHT2SS_MCS2, MGN_VHT2SS_MCS3, MGN_VHT2SS_MCS4, MGN_VHT2SS_MCS5, MGN_VHT2SS_MCS6, MGN_VHT2SS_MCS7, MGN_VHT2SS_MCS8, MGN_VHT2SS_MCS9}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - vhtRates2T, sizeof(vhtRates2T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, vhtRates2T, + ARRAY_SIZE(vhtRates2T)); } else if (RateSection == VHT_3SSMCS0_3SSMCS9) { u8 vhtRates3T[] = {MGN_VHT3SS_MCS0, MGN_VHT3SS_MCS1, MGN_VHT3SS_MCS2, MGN_VHT3SS_MCS3, MGN_VHT3SS_MCS4, MGN_VHT3SS_MCS5, MGN_VHT3SS_MCS6, MGN_VHT3SS_MCS7, MGN_VHT3SS_MCS8, MGN_VHT3SS_MCS9}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - vhtRates3T, sizeof(vhtRates3T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, vhtRates3T, + ARRAY_SIZE(vhtRates3T)); } else if (RateSection == VHT_4SSMCS0_4SSMCS9) { u8 vhtRates4T[] = {MGN_VHT4SS_MCS0, MGN_VHT4SS_MCS1, MGN_VHT4SS_MCS2, MGN_VHT4SS_MCS3, MGN_VHT4SS_MCS4, MGN_VHT4SS_MCS5, MGN_VHT4SS_MCS6, MGN_VHT4SS_MCS7, MGN_VHT4SS_MCS8, MGN_VHT4SS_MCS9}; - PHY_SetTxPowerIndexByRateArray(padapter, RFPath, pHalData->CurrentChannelBW, Channel, - vhtRates4T, sizeof(vhtRates4T)/sizeof(u8)); + PHY_SetTxPowerIndexByRateArray(padapter, RFPath, + pHalData->CurrentChannelBW, + Channel, vhtRates4T, + ARRAY_SIZE(vhtRates4T)); } else DBG_871X("Invalid RateSection %d in %s", RateSection, __func__); } @@ -1012,7 +1033,7 @@ static bool phy_GetChnlIndex(u8 Channel, u8 *ChannelIdx) } else { bIn24G = false; - for (i = 0; i < sizeof(channel5G)/sizeof(u8); ++i) { + for (i = 0; i < ARRAY_SIZE(channel5G); ++i) { if (channel5G[i] == Channel) { *ChannelIdx = i; return bIn24G; @@ -1149,7 +1170,7 @@ u8 PHY_GetTxPowerIndexBase( } else if (BandWidth == CHANNEL_WIDTH_80) { /* BW80-1S, BW80-2S */ /* <20121220, Kordan> Get the index of array "Index5G_BW80_Base". */ u8 channel5G_80M[CHANNEL_MAX_NUMBER_5G_80M] = {42, 58, 106, 122, 138, 155, 171}; - for (i = 0; i < sizeof(channel5G_80M)/sizeof(u8); ++i) + for (i = 0; i < ARRAY_SIZE(channel5G_80M); ++i) if (channel5G_80M[i] == Channel) chnlIdx = i; @@ -1588,7 +1609,7 @@ static s8 phy_GetChannelIndexOfTxPowerLimit(u8 Band, u8 Channel) if (Band == BAND_ON_2_4G) channelIndex = Channel - 1; else if (Band == BAND_ON_5G) { - for (i = 0; i < sizeof(channel5G)/sizeof(u8); ++i) { + for (i = 0; i < ARRAY_SIZE(channel5G); ++i) { if (channel5G[i] == Channel) channelIndex = i; } diff --git a/drivers/staging/rtl8723bs/hal/odm_CfoTracking.c b/drivers/staging/rtl8723bs/hal/odm_CfoTracking.c index 9cde6c66235b..71853e6f7106 100644 --- a/drivers/staging/rtl8723bs/hal/odm_CfoTracking.c +++ b/drivers/staging/rtl8723bs/hal/odm_CfoTracking.c @@ -23,7 +23,7 @@ static void odm_SetCrystalCap(void *pDM_VOID, u8 CrystalCap) struct adapter *Adapter = pDM_Odm->Adapter; struct hal_com_data *pHalData = GET_HAL_DATA(Adapter); - bEEPROMCheck = (pHalData->EEPROMVersion >= 0x01) ? true : false; + bEEPROMCheck = pHalData->EEPROMVersion >= 0x01; if (pCfoTrack->CrystalCap == CrystalCap) return; diff --git a/drivers/staging/rtl8723bs/hal/odm_DIG.c b/drivers/staging/rtl8723bs/hal/odm_DIG.c index 0bde9444471d..f02eb63a45ce 100644 --- a/drivers/staging/rtl8723bs/hal/odm_DIG.c +++ b/drivers/staging/rtl8723bs/hal/odm_DIG.c @@ -553,7 +553,7 @@ void odm_DIG(void *pDM_VOID) dm_dig_min = DM_DIG_MIN_NIC; DIG_MaxOfMin = DM_DIG_MAX_AP; - ODM_RT_TRACE(pDM_Odm, ODM_COMP_DIG, ODM_DBG_LOUD, ("odm_DIG(): Absolutly upper bound = 0x%x, lower bound = 0x%x\n", dm_dig_max, dm_dig_min)); + ODM_RT_TRACE(pDM_Odm, ODM_COMP_DIG, ODM_DBG_LOUD, ("odm_DIG(): Absolutely upper bound = 0x%x, lower bound = 0x%x\n", dm_dig_max, dm_dig_min)); /* 1 Adjust boundary by RSSI */ if (pDM_Odm->bLinked && bPerformance) { diff --git a/drivers/staging/rtl8723bs/hal/odm_HWConfig.c b/drivers/staging/rtl8723bs/hal/odm_HWConfig.c index ba2700135b60..8dd6da8a4e26 100644 --- a/drivers/staging/rtl8723bs/hal/odm_HWConfig.c +++ b/drivers/staging/rtl8723bs/hal/odm_HWConfig.c @@ -106,7 +106,7 @@ static void odm_RxPhyStatus92CSeries_Parsing( u8 LNA_idx, VGA_idx; PPHY_STATUS_RPT_8192CD_T pPhyStaRpt = (PPHY_STATUS_RPT_8192CD_T)pPhyStatus; - isCCKrate = (pPktinfo->DataRate <= DESC_RATE11M) ? true : false; + isCCKrate = pPktinfo->DataRate <= DESC_RATE11M; pPhyInfo->RxMIMOSignalQuality[ODM_RF_PATH_A] = -1; pPhyInfo->RxMIMOSignalQuality[ODM_RF_PATH_B] = -1; diff --git a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c index 1565f2d67ea4..d6cef9e8378d 100644 --- a/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c +++ b/drivers/staging/rtl8723bs/hal/rtl8723b_hal_init.c @@ -891,7 +891,7 @@ static void hal_ReadEFuse_WiFi( return; } - efuseTbl = (u8 *)rtw_malloc(EFUSE_MAX_MAP_LEN); + efuseTbl = rtw_malloc(EFUSE_MAX_MAP_LEN); if (efuseTbl == NULL) { DBG_8192C("%s: alloc efuseTbl fail!\n", __func__); return; diff --git a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c index d0b317077511..6281dfa1a3ca 100644 --- a/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c +++ b/drivers/staging/rtl8723bs/hal/rtl8723bs_xmit.c @@ -113,7 +113,7 @@ query_free_page: RT_TRACE( _module_hal_xmit_c_, _drv_notice_, - ("%s: bSurpriseRemoved(wirte port)\n", __func__) + ("%s: bSurpriseRemoved(write port)\n", __func__) ); goto free_xmitbuf; } diff --git a/drivers/staging/rtl8723bs/hal/sdio_halinit.c b/drivers/staging/rtl8723bs/hal/sdio_halinit.c index 6dfb06a49d41..1af77add6af4 100644 --- a/drivers/staging/rtl8723bs/hal/sdio_halinit.c +++ b/drivers/staging/rtl8723bs/hal/sdio_halinit.c @@ -1019,8 +1019,8 @@ static u32 rtl8723bs_hal_init(struct adapter *padapter) rtw_btcoex_IQKNotify(padapter, true); - restore_iqk_rst = (pwrpriv->bips_processing == true) ? true : false; - b2Ant = pHalData->EEPROMBluetoothAntNum == Ant_x2 ? true : false; + restore_iqk_rst = pwrpriv->bips_processing; + b2Ant = pHalData->EEPROMBluetoothAntNum == Ant_x2; PHY_IQCalibrate_8723B(padapter, false, restore_iqk_rst, b2Ant, pHalData->ant_path); pHalData->odmpriv.RFCalibrateInfo.bIQKInitialized = true; diff --git a/drivers/staging/rtl8723bs/hal/sdio_ops.c b/drivers/staging/rtl8723bs/hal/sdio_ops.c index 1d1b14dedd35..9a4c24861947 100644 --- a/drivers/staging/rtl8723bs/hal/sdio_ops.c +++ b/drivers/staging/rtl8723bs/hal/sdio_ops.c @@ -218,7 +218,7 @@ static u32 sdio_read32(struct intf_hdl *pintfhdl, u32 addr) } else { u8 *ptmpbuf; - ptmpbuf = (u8 *)rtw_malloc(8); + ptmpbuf = rtw_malloc(8); if (NULL == ptmpbuf) { DBG_8192C(KERN_ERR "%s: Allocate memory FAIL!(size =8) addr = 0x%x\n", __func__, addr); return SDIO_ERR_VAL32; @@ -594,7 +594,7 @@ static s32 _sdio_local_read( } n = RND4(cnt); - ptmpbuf = (u8 *)rtw_malloc(n); + ptmpbuf = rtw_malloc(n); if (!ptmpbuf) return (-1); @@ -637,7 +637,7 @@ s32 sdio_local_read( } n = RND4(cnt); - ptmpbuf = (u8 *)rtw_malloc(n); + ptmpbuf = rtw_malloc(n); if (!ptmpbuf) return (-1); @@ -684,7 +684,7 @@ s32 sdio_local_write( return err; } - ptmpbuf = (u8 *)rtw_malloc(cnt); + ptmpbuf = rtw_malloc(cnt); if (!ptmpbuf) return (-1); @@ -1108,7 +1108,7 @@ void sd_int_dpc(struct adapter *padapter) struct c2h_evt_hdr_88xx *c2h_evt; DBG_8192C("%s: C2H Command\n", __func__); - c2h_evt = (struct c2h_evt_hdr_88xx *)rtw_zmalloc(16); + c2h_evt = rtw_zmalloc(16); if (c2h_evt != NULL) { if (rtw_hal_c2h_evt_read(padapter, (u8 *)c2h_evt) == _SUCCESS) { if (c2h_id_filter_ccx_8723b((u8 *)c2h_evt)) { diff --git a/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h b/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h index 796449c3f430..130a94879805 100644 --- a/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h +++ b/drivers/staging/rtl8723bs/include/Hal8723BPwrSeq.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef REALTEK_POWER_SEQUENCE_8723B #define REALTEK_POWER_SEQUENCE_8723B diff --git a/drivers/staging/rtl8723bs/include/drv_types.h b/drivers/staging/rtl8723bs/include/drv_types.h index 4d14fbc5a1fe..32129ac8e169 100644 --- a/drivers/staging/rtl8723bs/include/drv_types.h +++ b/drivers/staging/rtl8723bs/include/drv_types.h @@ -177,7 +177,8 @@ struct registry_priv u8 bt_ampdu; s8 ant_num; - bool bAcceptAddbaReq; + /* false:Reject AP's Add BA req, true:accept AP's Add BA req */ + bool accept_addba_req; u8 antdiv_cfg; u8 antdiv_type; diff --git a/drivers/staging/rtl8723bs/include/osdep_service.h b/drivers/staging/rtl8723bs/include/osdep_service.h index ac9ffe0e3b84..e62ed71e1d80 100644 --- a/drivers/staging/rtl8723bs/include/osdep_service.h +++ b/drivers/staging/rtl8723bs/include/osdep_service.h @@ -96,8 +96,8 @@ typedef enum mstat_status{ #define rtw_mstat_update(flag, status, sz) do {} while (0) #define rtw_mstat_dump(sel) do {} while (0) -u8*_rtw_zmalloc(u32 sz); -u8*_rtw_malloc(u32 sz); +void *_rtw_zmalloc(u32 sz); +void *_rtw_malloc(u32 sz); void _kfree(u8 *pbuf, u32 sz); struct sk_buff *_rtw_skb_alloc(u32 sz); @@ -118,8 +118,6 @@ int _rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb); extern void _rtw_init_queue(struct __queue *pqueue); -extern void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc); - static __inline void thread_enter(char *name) { allow_signal(SIGTERM); diff --git a/drivers/staging/rtl8723bs/include/osdep_service_linux.h b/drivers/staging/rtl8723bs/include/osdep_service_linux.h index 0c9b4f622fee..711863d74a01 100644 --- a/drivers/staging/rtl8723bs/include/osdep_service_linux.h +++ b/drivers/staging/rtl8723bs/include/osdep_service_linux.h @@ -86,17 +86,7 @@ __inline static struct list_head *get_list_head(struct __queue *queue) #define LIST_CONTAINOR(ptr, type, member) \ - ((type *)((char *)(ptr)-(__kernel_size_t)(&((type *)0)->member))) - -#define RTW_TIMER_HDL_ARGS void *FunctionContext - -__inline static void _init_timer(_timer *ptimer, _nic_hdl nic_hdl, void *pfunc, void* cntx) -{ - /* setup_timer(ptimer, pfunc, (u32)cntx); */ - ptimer->function = pfunc; - ptimer->data = (unsigned long)cntx; - init_timer(ptimer); -} + container_of(ptr, type, member) __inline static void _set_timer(_timer *ptimer, u32 delay_time) { @@ -109,7 +99,6 @@ __inline static void _cancel_timer(_timer *ptimer, u8 *bcancelled) *bcancelled = true;/* true == 1; false == 0 */ } - __inline static void _init_workitem(_workitem *pwork, void *pfunc, void *cntx) { INIT_WORK(pwork, pfunc); diff --git a/drivers/staging/rtl8723bs/include/rtw_mlme.h b/drivers/staging/rtl8723bs/include/rtw_mlme.h index d88ef67ce8d6..00b3d92c9f51 100644 --- a/drivers/staging/rtl8723bs/include/rtw_mlme.h +++ b/drivers/staging/rtl8723bs/include/rtw_mlme.h @@ -518,8 +518,8 @@ extern void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_cpwm_event_callback(struct adapter *adapter, u8 *pbuf); extern void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf); -extern void rtw_join_timeout_handler(RTW_TIMER_HDL_ARGS); -extern void _rtw_scan_timeout_handler(RTW_TIMER_HDL_ARGS); +extern void rtw_join_timeout_handler(struct timer_list *t); +extern void _rtw_scan_timeout_handler(struct timer_list *t); int event_thread(void *context); @@ -618,10 +618,10 @@ extern void rtw_update_registrypriv_dev_network(struct adapter *adapter); extern void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter); -extern void _rtw_join_timeout_handler(struct adapter *adapter); -extern void rtw_scan_timeout_handler(struct adapter *adapter); +extern void _rtw_join_timeout_handler(struct timer_list *t); +extern void rtw_scan_timeout_handler(struct timer_list *t); -extern void rtw_dynamic_check_timer_handlder(struct adapter *adapter); +extern void rtw_dynamic_check_timer_handler(struct adapter *adapter); bool rtw_is_scan_deny(struct adapter *adapter); void rtw_clear_scan_deny(struct adapter *adapter); void rtw_set_scan_deny_timer_hdl(struct adapter *adapter); diff --git a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h index f3952463697e..6613dea2b283 100644 --- a/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h +++ b/drivers/staging/rtl8723bs/include/rtw_mlme_ext.h @@ -424,7 +424,7 @@ struct mlme_ext_info u8 candidate_tid_bitmap; u8 dialogToken; /* Accept ADDBA Request */ - bool bAcceptAddbaReq; + bool accept_addba_req; u8 bwmode_updated; u8 hidden_ssid_mode; u8 VHT_enable; @@ -719,10 +719,10 @@ void linked_status_chk(struct adapter *padapter); void _linked_info_dump(struct adapter *padapter); -void survey_timer_hdl (struct adapter *padapter); -void link_timer_hdl (struct adapter *padapter); -void addba_timer_hdl(struct sta_info *psta); -void sa_query_timer_hdl(struct adapter *padapter); +void survey_timer_hdl (struct timer_list *t); +void link_timer_hdl (struct timer_list *t); +void addba_timer_hdl(struct timer_list *t); +void sa_query_timer_hdl(struct timer_list *t); /* void reauth_timer_hdl(struct adapter *padapter); */ /* void reassoc_timer_hdl(struct adapter *padapter); */ diff --git a/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h b/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h index cf8e766a27a8..faf91022f54a 100644 --- a/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h +++ b/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h @@ -250,7 +250,7 @@ struct pwrctrl_priv u8 ips_mode; u8 ips_org_mode; u8 ips_mode_req; /* used to accept the mode setting request, will update to ipsmode later */ - uint bips_processing; + bool bips_processing; unsigned long ips_deny_time; /* will deny IPS when system time is smaller than this */ u8 pre_ips_type;/* 0: default flow, 1: carddisbale flow */ @@ -300,6 +300,7 @@ struct pwrctrl_priv u64 wowlan_fw_iv; #endif /* CONFIG_WOWLAN */ _timer pwr_state_check_timer; + struct adapter *adapter; int pwr_state_check_interval; u8 pwr_state_check_cnts; diff --git a/drivers/staging/rtl8723bs/include/rtw_recv.h b/drivers/staging/rtl8723bs/include/rtw_recv.h index 570a3c333aa0..71039ca79e4b 100644 --- a/drivers/staging/rtl8723bs/include/rtw_recv.h +++ b/drivers/staging/rtl8723bs/include/rtw_recv.h @@ -411,7 +411,7 @@ sint rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, struct __queue *queu sint rtw_enqueue_recvbuf(struct recv_buf *precvbuf, struct __queue *queue); struct recv_buf *rtw_dequeue_recvbuf (struct __queue *queue); -void rtw_reordering_ctrl_timeout_handler(void *pcontext); +void rtw_reordering_ctrl_timeout_handler(struct timer_list *t); __inline static u8 *get_rxmem(union recv_frame *precvframe) { diff --git a/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h b/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h index d97ca1630bd4..ab5a8627d371 100644 --- a/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h +++ b/drivers/staging/rtl8723bs/include/rtw_wifi_regd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /****************************************************************************** * * Copyright(c) 2009-2010 Realtek Corporation. diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index bd4352fe2de3..51d48de24a24 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -136,11 +136,9 @@ static struct ieee80211_supported_band *rtw_spt_band_alloc( goto exit; } - spt_band = (struct ieee80211_supported_band *)rtw_zmalloc( - sizeof(struct ieee80211_supported_band) - + sizeof(struct ieee80211_channel)*n_channels - + sizeof(struct ieee80211_rate)*n_bitrates - ); + spt_band = rtw_zmalloc(sizeof(struct ieee80211_supported_band) + + sizeof(struct ieee80211_channel) * n_channels + + sizeof(struct ieee80211_rate) * n_bitrates); if (!spt_band) goto exit; @@ -1094,7 +1092,7 @@ static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev, DBG_871X("pairwise =%d\n", pairwise); param_len = sizeof(struct ieee_param) + params->key_len; - param = (struct ieee_param *)rtw_malloc(param_len); + param = rtw_malloc(param_len); if (param == NULL) return -1; @@ -2183,7 +2181,7 @@ static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev, { wep_key_len = wep_key_len <= 5 ? 5 : 13; wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial); - pwep =(struct ndis_802_11_wep *) rtw_malloc(wep_total_len); + pwep = rtw_malloc(wep_total_len); if (pwep == NULL) { DBG_871X(" wpa_set_encryption: pwep allocate fail !!!\n"); ret = -ENOMEM; @@ -2677,7 +2675,7 @@ static int rtw_cfg80211_add_monitor_if (struct adapter *padapter, char *name, st pnpi->sizeof_priv = sizeof(struct adapter); /* wdev */ - mon_wdev = (struct wireless_dev *)rtw_zmalloc(sizeof(struct wireless_dev)); + mon_wdev = rtw_zmalloc(sizeof(struct wireless_dev)); if (!mon_wdev) { DBG_871X(FUNC_ADPT_FMT" allocate mon_wdev fail\n", FUNC_ADPT_ARG(padapter)); ret = -ENOMEM; @@ -3497,7 +3495,7 @@ int rtw_wdev_alloc(struct adapter *padapter, struct device *dev) } /* wdev */ - wdev = (struct wireless_dev *)rtw_zmalloc(sizeof(struct wireless_dev)); + wdev = rtw_zmalloc(sizeof(struct wireless_dev)); if (!wdev) { DBG_8192C("Couldn't allocate wireless device\n"); ret = -ENOMEM; diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c index d5e5f830f2a1..3fca0c2d4c8d 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c @@ -18,6 +18,7 @@ #include <rtw_debug.h> #include <rtw_mp.h> #include <linux/jiffies.h> +#include <linux/kernel.h> #define RTL_IOCTL_WPA_SUPPLICANT (SIOCIWFIRSTPRIV+30) @@ -557,7 +558,7 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param, if (wep_key_len > 0) { wep_key_len = wep_key_len <= 5 ? 5 : 13; wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial); - pwep =(struct ndis_802_11_wep *) rtw_malloc(wep_total_len); + pwep = rtw_malloc(wep_total_len); if (pwep == NULL) { RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, (" wpa_set_encryption: pwep allocate fail !!!\n")); goto exit; @@ -2123,12 +2124,9 @@ static int rtw_wx_set_gen_ie(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { - int ret; struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); - ret = rtw_set_wpa_ie(padapter, extra, wrqu->data.length); - - return ret; + return rtw_set_wpa_ie(padapter, extra, wrqu->data.length); } static int rtw_wx_set_auth(struct net_device *dev, @@ -2238,7 +2236,7 @@ static int rtw_wx_set_enc_ext(struct net_device *dev, int ret = 0; param_len = sizeof(struct ieee_param) + pext->key_len; - param = (struct ieee_param *)rtw_malloc(param_len); + param = rtw_malloc(param_len); if (param == NULL) return -1; @@ -2347,7 +2345,7 @@ static int rtw_wx_read32(struct net_device *dev, if (0 == len) return -EINVAL; - ptmp = (u8 *)rtw_malloc(len); + ptmp = rtw_malloc(len); if (NULL == ptmp) return -ENOMEM; @@ -3500,7 +3498,7 @@ static int wpa_supplicant_ioctl(struct net_device *dev, struct iw_point *p) goto out; } - param = (struct ieee_param *)rtw_malloc(p->length); + param = rtw_malloc(p->length); if (param == NULL) { ret = -ENOMEM; goto out; @@ -3621,7 +3619,7 @@ static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param, if (wep_key_len > 0) { wep_key_len = wep_key_len <= 5 ? 5 : 13; wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial); - pwep =(struct ndis_802_11_wep *)rtw_malloc(wep_total_len); + pwep = rtw_malloc(wep_total_len); if (pwep == NULL) { DBG_871X(" r871x_set_encryption: pwep allocate fail !!!\n"); goto exit; @@ -3857,7 +3855,6 @@ static int rtw_hostapd_sta_flush(struct net_device *dev) { /* _irqL irqL; */ /* struct list_head *phead, *plist; */ - int ret = 0; /* struct sta_info *psta = NULL; */ struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); /* struct sta_priv *pstapriv = &padapter->stapriv; */ @@ -3866,9 +3863,7 @@ static int rtw_hostapd_sta_flush(struct net_device *dev) flush_all_cam_entry(padapter); /* clear CAM */ - ret = rtw_sta_flush(padapter); - - return ret; + return rtw_sta_flush(padapter); } @@ -4266,7 +4261,6 @@ static int rtw_set_hidden_ssid(struct net_device *dev, struct ieee_param *param, static int rtw_ioctl_acl_remove_sta(struct net_device *dev, struct ieee_param *param, int len) { - int ret = 0; struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); @@ -4279,15 +4273,12 @@ static int rtw_ioctl_acl_remove_sta(struct net_device *dev, struct ieee_param *p return -EINVAL; } - ret = rtw_acl_remove_sta(padapter, param->sta_addr); - - return ret; + return rtw_acl_remove_sta(padapter, param->sta_addr); } static int rtw_ioctl_acl_add_sta(struct net_device *dev, struct ieee_param *param, int len) { - int ret = 0; struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev); struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); @@ -4300,9 +4291,7 @@ static int rtw_ioctl_acl_add_sta(struct net_device *dev, struct ieee_param *para return -EINVAL; } - ret = rtw_acl_add_sta(padapter, param->sta_addr); - - return ret; + return rtw_acl_add_sta(padapter, param->sta_addr); } @@ -4345,7 +4334,7 @@ static int rtw_hostapd_ioctl(struct net_device *dev, struct iw_point *p) goto out; } - param = (struct ieee_param *)rtw_malloc(p->length); + param = rtw_malloc(p->length); if (param == NULL) { ret = -ENOMEM; goto out; @@ -4673,7 +4662,7 @@ static int rtw_test( DBG_871X("+%s\n", __func__); len = wrqu->data.length; - pbuf = (u8 *)rtw_zmalloc(len); + pbuf = rtw_zmalloc(len); if (pbuf == NULL) { DBG_871X("%s: no memory!\n", __func__); return -ENOMEM; @@ -5029,12 +5018,12 @@ static struct iw_statistics *rtw_get_wireless_stats(struct net_device *dev) struct iw_handler_def rtw_handlers_def = { .standard = rtw_handlers, - .num_standard = sizeof(rtw_handlers) / sizeof(iw_handler), + .num_standard = ARRAY_SIZE(rtw_handlers), #if defined(CONFIG_WEXT_PRIV) .private = rtw_private_handler, .private_args = (struct iw_priv_args *)rtw_private_args, - .num_private = sizeof(rtw_private_handler) / sizeof(iw_handler), - .num_private_args = sizeof(rtw_private_args) / sizeof(struct iw_priv_args), + .num_private = ARRAY_SIZE(rtw_private_handler), + .num_private_args = ARRAY_SIZE(rtw_private_args), #endif .get_wireless_stats = rtw_get_wireless_stats, }; @@ -5121,8 +5110,8 @@ static int rtw_ioctl_wext_private(struct net_device *dev, union iwreq_data *wrq_ priv = rtw_private_handler; priv_args = rtw_private_args; - num_priv = sizeof(rtw_private_handler) / sizeof(iw_handler); - num_priv_args = sizeof(rtw_private_args) / sizeof(struct iw_priv_args); + num_priv = ARRAY_SIZE(rtw_private_handler); + num_priv_args = ARRAY_SIZE(rtw_private_args); if (num_priv_args == 0) { err = -EOPNOTSUPP; diff --git a/drivers/staging/rtl8723bs/os_dep/mlme_linux.c b/drivers/staging/rtl8723bs/os_dep/mlme_linux.c index 80ca2d781c5d..a4ef5789d794 100644 --- a/drivers/staging/rtl8723bs/os_dep/mlme_linux.c +++ b/drivers/staging/rtl8723bs/os_dep/mlme_linux.c @@ -19,18 +19,21 @@ #include <drv_types.h> #include <rtw_debug.h> -static void _dynamic_check_timer_handlder (void *FunctionContext) +static void _dynamic_check_timer_handler(struct timer_list *t) { - struct adapter *adapter = FunctionContext; + struct adapter *adapter = + from_timer(adapter, t, mlmepriv.dynamic_chk_timer); - rtw_dynamic_check_timer_handlder(adapter); + rtw_dynamic_check_timer_handler(adapter); _set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000); } -static void _rtw_set_scan_deny_timer_hdl(void *FunctionContext) +static void _rtw_set_scan_deny_timer_hdl(struct timer_list *t) { - struct adapter *adapter = FunctionContext; + struct adapter *adapter = + from_timer(adapter, t, mlmepriv.set_scan_deny_timer); + rtw_set_scan_deny_timer_hdl(adapter); } @@ -38,21 +41,20 @@ void rtw_init_mlme_timer(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - _init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev, _rtw_join_timeout_handler, padapter); - /* _init_timer(&(pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer), padapter->pnetdev, sitesurvey_ctrl_handler, padapter); */ - _init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev, rtw_scan_timeout_handler, padapter); - - _init_timer(&(pmlmepriv->dynamic_chk_timer), padapter->pnetdev, _dynamic_check_timer_handlder, padapter); - - _init_timer(&(pmlmepriv->set_scan_deny_timer), padapter->pnetdev, _rtw_set_scan_deny_timer_hdl, padapter); + timer_setup(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, 0); + timer_setup(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, 0); + timer_setup(&pmlmepriv->dynamic_chk_timer, + _dynamic_check_timer_handler, 0); + timer_setup(&pmlmepriv->set_scan_deny_timer, + _rtw_set_scan_deny_timer_hdl, 0); } void rtw_os_indicate_connect(struct adapter *adapter) { struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); - if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ==true) || - (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) ==true)) + if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) || + (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { rtw_cfg80211_ibss_indicate_connect(adapter); } @@ -99,7 +101,7 @@ void rtw_reset_securitypriv(struct adapter *adapter) /* reset RX BIP packet number */ pmlmeext->mgnt_80211w_IPN_rx = 0; - memset((unsigned char *)&adapter->securitypriv, 0, sizeof (struct security_priv)); + memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv)); /* Added by Albert 2009/02/18 */ /* Restore the PMK information to securitypriv structure for the following connection. */ @@ -116,9 +118,9 @@ void rtw_reset_securitypriv(struct adapter *adapter) { /* if (adapter->mlmepriv.fw_state & WIFI_STATION_STATE) */ /* */ - struct security_priv *psec_priv =&adapter->securitypriv; + struct security_priv *psec_priv = &adapter->securitypriv; - psec_priv->dot11AuthAlgrthm =dot11AuthAlgrthm_Open; /* open system */ + psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */ psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_; psec_priv->dot11PrivacyKeyIndex = 0; @@ -150,7 +152,7 @@ void rtw_os_indicate_disconnect(struct adapter *adapter) void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) { uint len; - u8 *buff,*p, i; + u8 *buff, *p, i; union iwreq_data wrqu; RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("+rtw_report_sec_ie, authmode =%d\n", authmode)); @@ -168,22 +170,22 @@ void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) } p = buff; - p+=sprintf(p,"ASSOCINFO(ReqIEs ="); + p += sprintf(p, "ASSOCINFO(ReqIEs ="); - len = sec_ie[1]+2; - len = (len < IW_CUSTOM_MAX) ? len:IW_CUSTOM_MAX; + len = sec_ie[1] + 2; + len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX; - for (i = 0;i<len;i++) { - p+=sprintf(p,"%02x", sec_ie[i]); + for (i = 0; i < len; i++) { + p += sprintf(p, "%02x", sec_ie[i]); } - p+=sprintf(p,")"); + p += sprintf(p, ")"); memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length =p-buff; + wrqu.data.length = p - buff; - wrqu.data.length = (wrqu.data.length<IW_CUSTOM_MAX) ? wrqu.data.length:IW_CUSTOM_MAX; + wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ? wrqu.data.length : IW_CUSTOM_MAX; kfree(buff); } @@ -191,14 +193,14 @@ void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta) { - _init_timer(&psta->addba_retry_timer, padapter->pnetdev, addba_timer_hdl, psta); + timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0); } void init_mlme_ext_timer(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - _init_timer(&pmlmeext->survey_timer, padapter->pnetdev, survey_timer_hdl, padapter); - _init_timer(&pmlmeext->link_timer, padapter->pnetdev, link_timer_hdl, padapter); - _init_timer(&pmlmeext->sa_query_timer, padapter->pnetdev, sa_query_timer_hdl, padapter); + timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0); + timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0); + timer_setup(&pmlmeext->sa_query_timer, sa_query_timer_hdl, 0); } diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c index 021589913681..fc5e3d4739c0 100644 --- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c +++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c @@ -24,9 +24,9 @@ MODULE_AUTHOR("Realtek Semiconductor Corp."); MODULE_VERSION(DRIVERVERSION); /* module param defaults */ -static int rtw_chip_version = 0x00; +static int rtw_chip_version; static int rtw_rfintfs = HWPI; -static int rtw_lbkmode = 0;/* RTL8712_AIR_TRX; */ +static int rtw_lbkmode;/* RTL8712_AIR_TRX; */ static int rtw_network_mode = Ndis802_11IBSS;/* Ndis802_11Infrastructure;infra, ad-hoc, auto */ @@ -40,12 +40,12 @@ static int rtw_frag_thresh = 2346;/* */ static int rtw_preamble = PREAMBLE_LONG;/* long, short, auto */ static int rtw_scan_mode = 1;/* active, passive */ static int rtw_adhoc_tx_pwr = 1; -static int rtw_soft_ap = 0; +static int rtw_soft_ap; /* int smart_ps = 1; */ static int rtw_power_mgnt = 1; static int rtw_ips_mode = IPS_NORMAL; module_param(rtw_ips_mode, int, 0644); -MODULE_PARM_DESC(rtw_ips_mode,"The default IPS mode"); +MODULE_PARM_DESC(rtw_ips_mode, "The default IPS mode"); static int rtw_smart_ps = 2; @@ -61,18 +61,18 @@ static int rtw_busy_thresh = 40; /* int qos_enable = 0; */ static int rtw_ack_policy = NORMAL_ACK; -static int rtw_software_encrypt = 0; -static int rtw_software_decrypt = 0; +static int rtw_software_encrypt; +static int rtw_software_decrypt; -static int rtw_acm_method = 0;/* 0:By SW 1:By HW. */ +static int rtw_acm_method;/* 0:By SW 1:By HW. */ static int rtw_wmm_enable = 1;/* default is set to enable the wmm. */ -static int rtw_uapsd_enable = 0; +static int rtw_uapsd_enable; static int rtw_uapsd_max_sp = NO_LIMIT; -static int rtw_uapsd_acbk_en = 0; -static int rtw_uapsd_acbe_en = 0; -static int rtw_uapsd_acvi_en = 0; -static int rtw_uapsd_acvo_en = 0; +static int rtw_uapsd_acbk_en; +static int rtw_uapsd_acbe_en; +static int rtw_uapsd_acvi_en; +static int rtw_uapsd_acvo_en; int rtw_ht_enable = 1; /* 0: 20 MHz, 1: 40 MHz, 2: 80 MHz, 3: 160MHz, 4: 80+80MHz */ @@ -81,7 +81,7 @@ int rtw_ht_enable = 1; static int rtw_bw_mode = 0x21; static int rtw_ampdu_enable = 1;/* for enable tx_ampdu ,0: disable, 0x1:enable (but wifi_spec should be 0), 0x2: force enable (don't care wifi_spec) */ static int rtw_rx_stbc = 1;/* 0: disable, 1:enable 2.4g */ -static int rtw_ampdu_amsdu = 0;/* 0: disabled, 1:enabled, 2:auto . There is an IOT issu with DLINK DIR-629 when the flag turn on */ +static int rtw_ampdu_amsdu;/* 0: disabled, 1:enabled, 2:auto . There is an IOT issu with DLINK DIR-629 when the flag turn on */ /* Short GI support Bit Map */ /* BIT0 - 20MHz, 0: non-support, 1: support */ /* BIT1 - 40MHz, 0: non-support, 1: support */ @@ -99,8 +99,8 @@ static int rtw_lowrate_two_xmit = 1;/* Use 2 path Tx to transmit MCS0~7 and lega /* int rf_config = RF_1T2R; 1T2R */ static int rtw_rf_config = RF_MAX_TYPE; /* auto */ -static int rtw_low_power = 0; -static int rtw_wifi_spec = 0; +static int rtw_low_power; +static int rtw_wifi_spec; static int rtw_channel_plan = RT_CHANNEL_DOMAIN_MAX; static int rtw_btcoex_enable = 1; @@ -113,40 +113,38 @@ static int rtw_ant_num = -1; /* <0: undefined, >0: Antenna number */ module_param(rtw_ant_num, int, 0644); MODULE_PARM_DESC(rtw_ant_num, "Antenna number setting"); -static int rtw_AcceptAddbaReq = true;/* 0:Reject AP's Add BA req, 1:Accept AP's Add BA req. */ - static int rtw_antdiv_cfg = 1; /* 0:OFF , 1:ON, 2:decide by Efuse config */ -static int rtw_antdiv_type = 0 ; /* 0:decide by efuse 1: for 88EE, 1Tx and 1RxCG are diversity.(2 Ant with SPDT), 2: for 88EE, 1Tx and 2Rx are diversity.(2 Ant, Tx and RxCG are both on aux port, RxCS is on main port), 3: for 88EE, 1Tx and 1RxCG are fixed.(1Ant, Tx and RxCG are both on aux port) */ +static int rtw_antdiv_type; /* 0:decide by efuse 1: for 88EE, 1Tx and 1RxCG are diversity.(2 Ant with SPDT), 2: for 88EE, 1Tx and 2Rx are diversity.(2 Ant, Tx and RxCG are both on aux port, RxCS is on main port), 3: for 88EE, 1Tx and 1RxCG are fixed.(1Ant, Tx and RxCG are both on aux port) */ -static int rtw_enusbss = 0;/* 0:disable, 1:enable */ +static int rtw_enusbss;/* 0:disable, 1:enable */ -static int rtw_hwpdn_mode =2;/* 0:disable, 1:enable, 2: by EFUSE config */ +static int rtw_hwpdn_mode = 2;/* 0:disable, 1:enable, 2: by EFUSE config */ #ifdef CONFIG_HW_PWRP_DETECTION static int rtw_hwpwrp_detect = 1; #else -static int rtw_hwpwrp_detect = 0; /* HW power ping detect 0:disable , 1:enable */ +static int rtw_hwpwrp_detect; /* HW power ping detect 0:disable , 1:enable */ #endif -static int rtw_hw_wps_pbc = 0; +static int rtw_hw_wps_pbc; int rtw_mc2u_disable = 0; -static int rtw_80211d = 0; +static int rtw_80211d; #ifdef CONFIG_QOS_OPTIMIZATION static int rtw_qos_opt_enable = 1;/* 0: disable, 1:enable */ #else -static int rtw_qos_opt_enable = 0;/* 0: disable, 1:enable */ +static int rtw_qos_opt_enable;/* 0: disable, 1:enable */ #endif module_param(rtw_qos_opt_enable, int, 0644); -static char* ifname = "wlan%d"; +static char *ifname = "wlan%d"; module_param(ifname, charp, 0644); MODULE_PARM_DESC(ifname, "The default name to allocate for first interface"); -char* rtw_initmac = NULL; /* temp mac address if users want to use instead of the mac address in Efuse */ +char *rtw_initmac = NULL; /* temp mac address if users want to use instead of the mac address in Efuse */ module_param(rtw_initmac, charp, 0644); module_param(rtw_channel_plan, int, 0644); @@ -183,16 +181,16 @@ module_param(rtw_hwpwrp_detect, int, 0644); module_param(rtw_hw_wps_pbc, int, 0644); -static uint rtw_max_roaming_times =2; +static uint rtw_max_roaming_times = 2; module_param(rtw_max_roaming_times, uint, 0644); -MODULE_PARM_DESC(rtw_max_roaming_times,"The max roaming times to try"); +MODULE_PARM_DESC(rtw_max_roaming_times, "The max roaming times to try"); module_param(rtw_mc2u_disable, int, 0644); module_param(rtw_80211d, int, 0644); MODULE_PARM_DESC(rtw_80211d, "Enable 802.11d mechanism"); -static uint rtw_notch_filter = 0; +static uint rtw_notch_filter; module_param(rtw_notch_filter, uint, 0644); MODULE_PARM_DESC(rtw_notch_filter, "0:Disable, 1:Enable, 2:Enable only for P2P"); @@ -202,14 +200,14 @@ static uint rtw_hiq_filter = CONFIG_RTW_HIQ_FILTER; module_param(rtw_hiq_filter, uint, 0644); MODULE_PARM_DESC(rtw_hiq_filter, "0:allow all, 1:allow special, 2:deny all"); -static int rtw_tx_pwr_lmt_enable = 0; -static int rtw_tx_pwr_by_rate = 0; +static int rtw_tx_pwr_lmt_enable; +static int rtw_tx_pwr_by_rate; module_param(rtw_tx_pwr_lmt_enable, int, 0644); -MODULE_PARM_DESC(rtw_tx_pwr_lmt_enable,"0:Disable, 1:Enable, 2: Depend on efuse"); +MODULE_PARM_DESC(rtw_tx_pwr_lmt_enable, "0:Disable, 1:Enable, 2: Depend on efuse"); module_param(rtw_tx_pwr_by_rate, int, 0644); -MODULE_PARM_DESC(rtw_tx_pwr_by_rate,"0:Disable, 1:Enable, 2: Depend on efuse"); +MODULE_PARM_DESC(rtw_tx_pwr_by_rate, "0:Disable, 1:Enable, 2: Depend on efuse"); char *rtw_phy_file_path = ""; module_param(rtw_phy_file_path, charp, 0644); @@ -222,12 +220,12 @@ MODULE_PARM_DESC(rtw_phy_file_path, "The path of phy parameter"); /* BIT4 - RF, 0: non-support, 1: support */ /* BIT5 - RF_TXPWR_TRACK, 0: non-support, 1: support */ /* BIT6 - RF_TXPWR_LMT, 0: non-support, 1: support */ -static int rtw_load_phy_file = (BIT2|BIT6); +static int rtw_load_phy_file = (BIT2 | BIT6); module_param(rtw_load_phy_file, int, 0644); -MODULE_PARM_DESC(rtw_load_phy_file,"PHY File Bit Map"); -static int rtw_decrypt_phy_file = 0; +MODULE_PARM_DESC(rtw_load_phy_file, "PHY File Bit Map"); +static int rtw_decrypt_phy_file; module_param(rtw_decrypt_phy_file, int, 0644); -MODULE_PARM_DESC(rtw_decrypt_phy_file,"Enable Decrypt PHY File"); +MODULE_PARM_DESC(rtw_decrypt_phy_file, "Enable Decrypt PHY File"); int _netdev_open(struct net_device *pnetdev); int netdev_open (struct net_device *pnetdev); @@ -255,8 +253,8 @@ static uint loadparam(struct adapter *padapter, _nic_hdl pnetdev) registry_par->vrtl_carrier_sense = (u8)rtw_vrtl_carrier_sense ; registry_par->vcs_type = (u8)rtw_vcs_type; - registry_par->rts_thresh =(u16)rtw_rts_thresh; - registry_par->frag_thresh =(u16)rtw_frag_thresh; + registry_par->rts_thresh = (u16)rtw_rts_thresh; + registry_par->frag_thresh = (u16)rtw_frag_thresh; registry_par->preamble = (u8)rtw_preamble; registry_par->scan_mode = (u8)rtw_scan_mode; registry_par->adhoc_tx_pwr = (u8)rtw_adhoc_tx_pwr; @@ -311,7 +309,7 @@ static uint loadparam(struct adapter *padapter, _nic_hdl pnetdev) registry_par->bt_ampdu = (u8)rtw_bt_ampdu; registry_par->ant_num = (s8)rtw_ant_num; - registry_par->bAcceptAddbaReq = (u8)rtw_AcceptAddbaReq; + registry_par->accept_addba_req = true; registry_par->antdiv_cfg = (u8)rtw_antdiv_cfg; registry_par->antdiv_type = (u8)rtw_antdiv_type; @@ -351,8 +349,7 @@ static int rtw_net_set_mac_address(struct net_device *pnetdev, void *p) struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); struct sockaddr *addr = p; - if (padapter->bup == false) - { + if (padapter->bup == false) { /* DBG_871X("r8711_net_set_mac_address(), MAC =%x:%x:%x:%x:%x:%x\n", addr->sa_data[0], addr->sa_data[1], addr->sa_data[2], addr->sa_data[3], */ /* addr->sa_data[4], addr->sa_data[5]); */ memcpy(padapter->eeprompriv.mac_addr, addr->sa_data, ETH_ALEN); @@ -425,9 +422,7 @@ static u16 rtw_select_queue(struct net_device *dev, struct sk_buff *skb skb->priority = rtw_classify8021d(skb); if (pmlmepriv->acm_mask != 0) - { skb->priority = qos_acm(pmlmepriv->acm_mask, skb->priority); - } return rtw_1d_to_queue[skb->priority]; } @@ -440,12 +435,12 @@ u16 rtw_recv_select_queue(struct sk_buff *skb) u32 priority; u8 *pdata = skb->data; - memcpy(ð_type, pdata+(ETH_ALEN<<1), 2); + memcpy(ð_type, pdata + (ETH_ALEN << 1), 2); switch (be16_to_cpu(eth_type)) { case ETH_P_IP: - piphdr = (struct iphdr *)(pdata+ETH_HLEN); + piphdr = (struct iphdr *)(pdata + ETH_HLEN); dscp = piphdr->tos & 0xfc; @@ -457,17 +452,16 @@ u16 rtw_recv_select_queue(struct sk_buff *skb) } return rtw_1d_to_queue[priority]; - } -static int rtw_ndev_notifier_call(struct notifier_block * nb, unsigned long state, void *ptr) +static int rtw_ndev_notifier_call(struct notifier_block *nb, unsigned long state, void *ptr) { struct net_device *dev = netdev_notifier_info_to_dev(ptr); if (dev->netdev_ops->ndo_do_ioctl != rtw_ioctl) return NOTIFY_DONE; - DBG_871X_LEVEL(_drv_info_, FUNC_NDEV_FMT" state:%lu\n", FUNC_NDEV_ARG(dev), state); + DBG_871X_LEVEL(_drv_info_, FUNC_NDEV_FMT " state:%lu\n", FUNC_NDEV_ARG(dev), state); switch (state) { case NETDEV_CHANGENAME: @@ -497,7 +491,7 @@ static int rtw_ndev_init(struct net_device *dev) { struct adapter *adapter = rtw_netdev_priv(dev); - DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter)); + DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT "\n", FUNC_ADPT_ARG(adapter)); strncpy(adapter->old_ifname, dev->name, IFNAMSIZ); rtw_adapter_proc_init(dev); @@ -508,7 +502,7 @@ static void rtw_ndev_uninit(struct net_device *dev) { struct adapter *adapter = rtw_netdev_priv(dev); - DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter)); + DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT "\n", FUNC_ADPT_ARG(adapter)); rtw_adapter_proc_deinit(dev); } @@ -561,7 +555,7 @@ struct net_device *rtw_init_netdev(struct adapter *old_padapter) pnetdev->netdev_ops = &rtw_netdev_ops; /* pnetdev->tx_timeout = NULL; */ - pnetdev->watchdog_timeo = HZ*3; /* 3 second timeout */ + pnetdev->watchdog_timeo = HZ * 3; /* 3 second timeout */ pnetdev->wireless_handlers = (struct iw_handler_def *)&rtw_handlers_def; /* step 2. */ @@ -597,7 +591,7 @@ u32 rtw_start_drv_threads(struct adapter *padapter) _status = _FAIL; padapter->cmdThread = kthread_run(rtw_cmd_thread, padapter, "RTW_CMD_THREAD"); - if (IS_ERR(padapter->cmdThread)) + if (IS_ERR(padapter->cmdThread)) _status = _FAIL; else down(&padapter->cmdpriv.terminate_cmdthread_sema); /* wait for cmd_thread to run */ @@ -623,7 +617,7 @@ void rtw_stop_drv_threads (struct adapter *padapter) static u8 rtw_init_default_value(struct adapter *padapter) { u8 ret = _SUCCESS; - struct registry_priv* pregistrypriv = &padapter->registrypriv; + struct registry_priv *pregistrypriv = &padapter->registrypriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct security_priv *psecuritypriv = &padapter->securitypriv; @@ -652,8 +646,8 @@ static u8 rtw_init_default_value(struct adapter *padapter) #ifdef CONFIG_GTK_OL psecuritypriv->binstallKCK_KEK = _FAIL; #endif /* CONFIG_GTK_OL */ - psecuritypriv->sw_encrypt =pregistrypriv->software_encrypt; - psecuritypriv->sw_decrypt =pregistrypriv->software_decrypt; + psecuritypriv->sw_encrypt = pregistrypriv->software_encrypt; + psecuritypriv->sw_decrypt = pregistrypriv->software_decrypt; psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */ psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_; @@ -691,7 +685,8 @@ struct dvobj_priv *devobj_init(void) { struct dvobj_priv *pdvobj = NULL; - if ((pdvobj = (struct dvobj_priv*)rtw_zmalloc(sizeof(*pdvobj))) == NULL) + pdvobj = rtw_zmalloc(sizeof(*pdvobj)); + if (pdvobj == NULL) return NULL; mutex_init(&pdvobj->hw_init_mutex); @@ -722,7 +717,7 @@ void devobj_deinit(struct dvobj_priv *pdvobj) mutex_destroy(&pdvobj->setch_mutex); mutex_destroy(&pdvobj->setbw_mutex); - kfree((u8 *)pdvobj); + kfree(pdvobj); } u8 rtw_reset_drv_sw(struct adapter *padapter) @@ -748,7 +743,7 @@ u8 rtw_reset_drv_sw(struct adapter *padapter) pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0; pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0; - _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY |_FW_UNDER_LINKING); + _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING); pwrctrlpriv->pwr_state_check_cnts = 0; @@ -777,7 +772,7 @@ u8 rtw_init_drv_sw(struct adapter *padapter) goto exit; } - padapter->cmdpriv.padapter =padapter; + padapter->cmdpriv.padapter = padapter; if ((rtw_init_evt_priv(&padapter->evtpriv)) == _FAIL) { RT_TRACE(_module_os_intfs_c_, _drv_err_, ("\n Can't init evt_priv\n")); @@ -935,7 +930,7 @@ static int _rtw_drv_register_netdev(struct adapter *padapter, char *name) goto error_register_netdev; } - DBG_871X("%s, MAC Address (if%d) = " MAC_FMT "\n", __func__, (padapter->iface_id+1), MAC_ARG(pnetdev->dev_addr)); + DBG_871X("%s, MAC Address (if%d) = " MAC_FMT "\n", __func__, (padapter->iface_id + 1), MAC_ARG(pnetdev->dev_addr)); return ret; @@ -984,9 +979,9 @@ int _netdev_open(struct net_device *pnetdev) goto netdev_open_error; } - DBG_871X("MAC Address = "MAC_FMT"\n", MAC_ARG(pnetdev->dev_addr)); + DBG_871X("MAC Address = " MAC_FMT "\n", MAC_ARG(pnetdev->dev_addr)); - status =rtw_start_drv_threads(padapter); + status = rtw_start_drv_threads(padapter); if (status == _FAIL) { DBG_871X("Initialize driver software resource Failed!\n"); goto netdev_open_error; @@ -1027,7 +1022,6 @@ netdev_open_error: DBG_871X("-871x_drv - drv_open fail, bup =%d\n", padapter->bup); return (-1); - } int netdev_open(struct net_device *pnetdev) @@ -1036,8 +1030,7 @@ int netdev_open(struct net_device *pnetdev) struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); struct pwrctrl_priv *pwrctrlpriv = adapter_to_pwrctl(padapter); - if (pwrctrlpriv->bInSuspend == true) - { + if (pwrctrlpriv->bInSuspend == true) { DBG_871X("+871x_drv - drv_open, bInSuspend =%d\n", pwrctrlpriv->bInSuspend); return 0; } @@ -1066,16 +1059,13 @@ static int ips_netdrv_open(struct adapter *padapter) /* padapter->bup = true; */ status = rtw_hal_init(padapter); - if (status == _FAIL) - { + if (status == _FAIL) { RT_TRACE(_module_os_intfs_c_, _drv_err_, ("ips_netdrv_open(): Can't init h/w!\n")); goto netdev_open_error; } if (padapter->intf_start) - { padapter->intf_start(padapter); - } _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000); @@ -1098,7 +1088,6 @@ int rtw_ips_pwr_up(struct adapter *padapter) DBG_871X("<=== rtw_ips_pwr_up..............\n"); return result; - } void rtw_ips_pwr_down(struct adapter *padapter) @@ -1119,10 +1108,7 @@ void rtw_ips_dev_unload(struct adapter *padapter) if (padapter->bSurpriseRemoved == false) - { rtw_hal_deinit(padapter); - } - } @@ -1132,15 +1118,14 @@ static int pm_netdev_open(struct net_device *pnetdev, u8 bnormal) struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev); - if (true == bnormal) - { + if (true == bnormal) { if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->hw_init_mutex)) == 0) { status = _netdev_open(pnetdev); mutex_unlock(&(adapter_to_dvobj(padapter)->hw_init_mutex)); } } else - status = (_SUCCESS == ips_netdrv_open(padapter))?(0):(-1); + status = (_SUCCESS == ips_netdrv_open(padapter)) ? (0) : (-1); return status; } @@ -1152,8 +1137,7 @@ static int netdev_close(struct net_device *pnetdev) RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+871x_drv - drv_close\n")); - if (pwrctl->bInternalAutoSuspend == true) - { + if (pwrctl->bInternalAutoSuspend == true) { /* rtw_pwr_wakeup(padapter); */ if (pwrctl->rf_pwrstate == rf_off) pwrctl->ps_flag = true; @@ -1174,8 +1158,7 @@ static int netdev_close(struct net_device *pnetdev) DBG_871X("(2)871x_drv - drv_close, bup =%d, hw_init_completed =%d\n", padapter->bup, padapter->hw_init_completed); /* s1. */ - if (pnetdev) - { + if (pnetdev) { if (!rtw_netif_queue_stopped(pnetdev)) rtw_netif_stop_queue(pnetdev); } @@ -1198,12 +1181,11 @@ static int netdev_close(struct net_device *pnetdev) DBG_871X("-871x_drv - drv_close, bup =%d\n", padapter->bup); return 0; - } void rtw_ndev_destructor(struct net_device *ndev) { - DBG_871X(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(ndev)); + DBG_871X(FUNC_NDEV_FMT "\n", FUNC_NDEV_ARG(ndev)); if (ndev->ieee80211_ptr) kfree((u8 *)ndev->ieee80211_ptr); @@ -1219,8 +1201,7 @@ void rtw_dev_unload(struct adapter *padapter) RT_TRACE(_module_hci_intfs_c_, _drv_notice_, ("+%s\n", __func__)); - if (padapter->bup == true) - { + if (padapter->bup == true) { DBG_871X("===> %s\n", __func__); padapter->bDriverStopped = true; @@ -1257,12 +1238,11 @@ void rtw_dev_unload(struct adapter *padapter) DBG_871X_LEVEL(_drv_always_, "%s: driver not in IPS\n", __func__); } - if (padapter->bSurpriseRemoved == false) - { + if (padapter->bSurpriseRemoved == false) { rtw_btcoex_IpsNotify(padapter, pwrctl->ips_mode_req); #ifdef CONFIG_WOWLAN if (pwrctl->bSupportRemoteWakeup == true && - pwrctl->wowlan_mode ==true) { + pwrctl->wowlan_mode == true) { DBG_871X_LEVEL(_drv_always_, "%s bSupportRemoteWakeup ==true do not run rtw_hal_deinit()\n", __func__); } else @@ -1292,12 +1272,11 @@ static int rtw_suspend_free_assoc_resource(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) { if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) - && check_fwstate(pmlmepriv, _FW_LINKED)) - { + && check_fwstate(pmlmepriv, _FW_LINKED)) { DBG_871X("%s %s(" MAC_FMT "), length:%d assoc_ssid.length:%d\n", __func__, pmlmepriv->cur_network.network.Ssid.Ssid, MAC_ARG(pmlmepriv->cur_network.network.MacAddress), @@ -1307,14 +1286,12 @@ static int rtw_suspend_free_assoc_resource(struct adapter *padapter) } } - if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) - { + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) { rtw_disassoc_cmd(padapter, 0, false); /* s2-2. indicate disconnect to os */ rtw_indicate_disconnect(padapter); } - else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) - { + else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { rtw_sta_flush(padapter); } @@ -1327,13 +1304,12 @@ static int rtw_suspend_free_assoc_resource(struct adapter *padapter) if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) rtw_indicate_scan_done(padapter, 1); - if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) - { + if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) { DBG_871X_LEVEL(_drv_always_, "%s: fw_under_linking\n", __func__); rtw_indicate_disconnect(padapter); } - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); return _SUCCESS; } @@ -1347,7 +1323,7 @@ int rtw_suspend_wow(struct adapter *padapter) struct wowlan_ioctl_param poidparam; int ret = _SUCCESS; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); DBG_871X("wowlan_mode: %d\n", pwrpriv->wowlan_mode); @@ -1379,8 +1355,7 @@ int rtw_suspend_wow(struct adapter *padapter) padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WOWLAN, (u8 *)&poidparam); if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) { if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) - && check_fwstate(pmlmepriv, _FW_LINKED)) - { + && check_fwstate(pmlmepriv, _FW_LINKED)) { DBG_871X("%s %s(" MAC_FMT "), length:%d assoc_ssid.length:%d\n", __func__, pmlmepriv->cur_network.network.Ssid.Ssid, MAC_ARG(pmlmepriv->cur_network.network.MacAddress), @@ -1393,15 +1368,14 @@ int rtw_suspend_wow(struct adapter *padapter) DBG_871X_LEVEL(_drv_always_, "%s: wowmode suspending\n", __func__); - if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) - { + if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) { DBG_871X_LEVEL(_drv_always_, "%s: fw_under_survey\n", __func__); rtw_indicate_scan_done(padapter, 1); clr_fwstate(pmlmepriv, _FW_UNDER_SURVEY); } if (rtw_get_ch_setting_union(padapter, &ch, &bw, &offset) != 0) { - DBG_871X(FUNC_ADPT_FMT" back to linked/linking union - ch:%u, bw:%u, offset:%u\n", + DBG_871X(FUNC_ADPT_FMT " back to linked/linking union - ch:%u, bw:%u, offset:%u\n", FUNC_ADPT_ARG(padapter), ch, bw, offset); set_channel_bwmode(padapter, ch, offset, bw); } @@ -1410,13 +1384,11 @@ int rtw_suspend_wow(struct adapter *padapter) DBG_871X_LEVEL(_drv_always_, "%s: pno: %d\n", __func__, pwrpriv->wowlan_pno_enable); else rtw_set_ps_mode(padapter, PS_MODE_DTIM, 0, 0, "WOWLAN"); - } - else - { + else { DBG_871X_LEVEL(_drv_always_, "%s: ### ERROR ### wowlan_mode =%d\n", __func__, pwrpriv->wowlan_mode); } - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); return ret; } #endif /* ifdef CONFIG_WOWLAN */ @@ -1430,7 +1402,7 @@ int rtw_suspend_ap_wow(struct adapter *padapter) struct wowlan_ioctl_param poidparam; int ret = _SUCCESS; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); pwrpriv->wowlan_ap_mode = true; @@ -1462,14 +1434,14 @@ int rtw_suspend_ap_wow(struct adapter *padapter) DBG_871X_LEVEL(_drv_always_, "%s: wowmode suspending\n", __func__); if (rtw_get_ch_setting_union(padapter, &ch, &bw, &offset) != 0) { - DBG_871X(FUNC_ADPT_FMT" back to linked/linking union - ch:%u, bw:%u, offset:%u\n", + DBG_871X(FUNC_ADPT_FMT " back to linked/linking union - ch:%u, bw:%u, offset:%u\n", FUNC_ADPT_ARG(padapter), ch, bw, offset); set_channel_bwmode(padapter, ch, offset, bw); } rtw_set_ps_mode(padapter, PS_MODE_MIN, 0, 0, "AP-WOWLAN"); - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); return ret; } #endif /* ifdef CONFIG_AP_WOWLAN */ @@ -1480,7 +1452,7 @@ static int rtw_suspend_normal(struct adapter *padapter) struct net_device *pnetdev = padapter->pnetdev; int ret = _SUCCESS; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); if (pnetdev) { netif_carrier_off(pnetdev); rtw_netif_stop_queue(pnetdev); @@ -1489,10 +1461,8 @@ static int rtw_suspend_normal(struct adapter *padapter) rtw_suspend_free_assoc_resource(padapter); if ((rtw_hal_check_ips_status(padapter) == true) - || (adapter_to_pwrctl(padapter)->rf_pwrstate == rf_off)) - { + || (adapter_to_pwrctl(padapter)->rf_pwrstate == rf_off)) { DBG_871X_LEVEL(_drv_always_, "%s: ### ERROR #### driver in IPS ####ERROR###!!!\n", __func__); - } rtw_dev_unload(padapter); @@ -1501,7 +1471,7 @@ static int rtw_suspend_normal(struct adapter *padapter) if (padapter->intf_deinit) padapter->intf_deinit(adapter_to_dvobj(padapter)); - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); return ret; } @@ -1524,8 +1494,7 @@ int rtw_suspend_common(struct adapter *padapter) while (pwrpriv->bips_processing == true) msleep(1); - if ((!padapter->bup) || (padapter->bDriverStopped)||(padapter->bSurpriseRemoved)) - { + if ((!padapter->bup) || (padapter->bDriverStopped) || (padapter->bSurpriseRemoved)) { DBG_871X("%s bup =%d bDriverStopped =%d bSurpriseRemoved = %d\n", __func__ , padapter->bup, padapter->bDriverStopped, padapter->bSurpriseRemoved); pdbgpriv->dbg_suspend_error_cnt++; @@ -1599,7 +1568,7 @@ int rtw_resume_process_wow(struct adapter *padapter) struct sta_info *psta = NULL; int ret = _SUCCESS; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); if (padapter) { pnetdev = padapter->pnetdev; @@ -1641,7 +1610,7 @@ int rtw_resume_process_wow(struct adapter *padapter) } /* Disable WOW, set H2C command */ - poidparam.subcode =WOWLAN_DISABLE; + poidparam.subcode = WOWLAN_DISABLE; padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WOWLAN, (u8 *)&poidparam); psta = rtw_get_stainfo(&padapter->stapriv, get_bssid(&padapter->mlmepriv)); @@ -1667,11 +1636,10 @@ int rtw_resume_process_wow(struct adapter *padapter) } } else { - DBG_871X_LEVEL(_drv_always_, "%s: ### ERROR ### wowlan_mode =%d\n", __func__, pwrpriv->wowlan_mode); } - if (padapter->pid[1]!= 0) { + if (padapter->pid[1] != 0) { DBG_871X("pid[1]:%d\n", padapter->pid[1]); rtw_signal_process(padapter->pid[1], SIGUSR2); } @@ -1680,7 +1648,6 @@ int rtw_resume_process_wow(struct adapter *padapter) if (pwrpriv->wowlan_wake_reason == FWDecisionDisconnect || pwrpriv->wowlan_wake_reason == Rx_DisAssoc || pwrpriv->wowlan_wake_reason == Rx_DeAuth) { - DBG_871X("%s: disconnect reason: %02x\n", __func__, pwrpriv->wowlan_wake_reason); rtw_indicate_disconnect(padapter); @@ -1705,12 +1672,12 @@ int rtw_resume_process_wow(struct adapter *padapter) DBG_871X_LEVEL(_drv_always_, "do not reset timer\n"); } - pwrpriv->wowlan_mode =false; + pwrpriv->wowlan_mode = false; /* clean driver side wake up reason. */ pwrpriv->wowlan_wake_reason = 0; exit: - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); return ret; } #endif /* ifdef CONFIG_WOWLAN */ @@ -1725,7 +1692,7 @@ int rtw_resume_process_ap_wow(struct adapter *padapter) struct wowlan_ioctl_param poidparam; int ret = _SUCCESS; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); if (padapter) { pnetdev = padapter->pnetdev; @@ -1774,7 +1741,7 @@ int rtw_resume_process_ap_wow(struct adapter *padapter) rtw_netif_wake_queue(pnetdev); } - if (padapter->pid[1]!= 0) { + if (padapter->pid[1] != 0) { DBG_871X("pid[1]:%d\n", padapter->pid[1]); rtw_signal_process(padapter->pid[1], SIGUSR2); } @@ -1785,7 +1752,7 @@ int rtw_resume_process_ap_wow(struct adapter *padapter) /* clean driver side wake up reason. */ pwrpriv->wowlan_wake_reason = 0; exit: - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); return ret; } #endif /* ifdef CONFIG_APWOWLAN */ @@ -1811,19 +1778,17 @@ static int rtw_resume_process_normal(struct adapter *padapter) psdpriv = padapter->dvobj; pdbgpriv = &psdpriv->drv_dbg; - DBG_871X("==> "FUNC_ADPT_FMT" entry....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("==> " FUNC_ADPT_FMT " entry....\n", FUNC_ADPT_ARG(padapter)); /* interface init */ /* if (sdio_init(adapter_to_dvobj(padapter)) != _SUCCESS) */ - if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) - { + if ((padapter->intf_init) && (padapter->intf_init(adapter_to_dvobj(padapter)) != _SUCCESS)) { ret = -1; RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: initialize SDIO Failed!!\n", __func__)); goto exit; } rtw_hal_disable_interrupt(padapter); /* if (sdio_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS) */ - if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) - { + if ((padapter->intf_alloc_irq) && (padapter->intf_alloc_irq(adapter_to_dvobj(padapter)) != _SUCCESS)) { ret = -1; RT_TRACE(_module_hci_intfs_c_, _drv_err_, ("%s: sdio_alloc_irq Failed!!\n", __func__)); goto exit; @@ -1842,28 +1807,28 @@ static int rtw_resume_process_normal(struct adapter *padapter) netif_device_attach(pnetdev); netif_carrier_on(pnetdev); - if (padapter->pid[1]!= 0) { + if (padapter->pid[1] != 0) { DBG_871X("pid[1]:%d\n", padapter->pid[1]); rtw_signal_process(padapter->pid[1], SIGUSR2); } if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { - DBG_871X(FUNC_ADPT_FMT" fwstate:0x%08x - WIFI_STATION_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); + DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - WIFI_STATION_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) rtw_roaming(padapter, NULL); } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { - DBG_871X(FUNC_ADPT_FMT" fwstate:0x%08x - WIFI_AP_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); + DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - WIFI_AP_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); rtw_ap_restore_network(padapter); } else if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { - DBG_871X(FUNC_ADPT_FMT" fwstate:0x%08x - WIFI_ADHOC_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); + DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - WIFI_ADHOC_STATE\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); } else { - DBG_871X(FUNC_ADPT_FMT" fwstate:0x%08x - ???\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); + DBG_871X(FUNC_ADPT_FMT " fwstate:0x%08x - ???\n", FUNC_ADPT_ARG(padapter), get_fwstate(pmlmepriv)); } - DBG_871X("<== "FUNC_ADPT_FMT" exit....\n", FUNC_ADPT_ARG(padapter)); + DBG_871X("<== " FUNC_ADPT_FMT " exit....\n", FUNC_ADPT_ARG(padapter)); exit: return ret; diff --git a/drivers/staging/rtl8723bs/os_dep/osdep_service.c b/drivers/staging/rtl8723bs/os_dep/osdep_service.c index a05daf06a870..f4221952dd1b 100644 --- a/drivers/staging/rtl8723bs/os_dep/osdep_service.c +++ b/drivers/staging/rtl8723bs/os_dep/osdep_service.c @@ -30,22 +30,17 @@ inline int RTW_STATUS_CODE(int error_code) return _FAIL; } -u8 *_rtw_malloc(u32 sz) +void *_rtw_malloc(u32 sz) { - u8 *pbuf = NULL; - - pbuf = kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); - - return pbuf; + return kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); } -u8 *_rtw_zmalloc(u32 sz) +void *_rtw_zmalloc(u32 sz) { - u8 *pbuf = _rtw_malloc(sz); + void *pbuf = _rtw_malloc(sz); - if (pbuf != NULL) { + if (pbuf) memset(pbuf, 0, sz); - } return pbuf; } @@ -71,13 +66,6 @@ inline int _rtw_netif_rx(_nic_hdl ndev, struct sk_buff *skb) return netif_rx(skb); } -void rtw_init_timer(_timer *ptimer, void *padapter, void *pfunc) -{ - struct adapter *adapter = padapter; - - _init_timer(ptimer, adapter->pnetdev, pfunc, adapter); -} - void _rtw_init_queue(struct __queue *pqueue) { INIT_LIST_HEAD(&(pqueue->queue)); @@ -470,7 +458,7 @@ struct rtw_cbuf *rtw_cbuf_alloc(u32 size) { struct rtw_cbuf *cbuf; - cbuf = (struct rtw_cbuf *)rtw_malloc(sizeof(*cbuf) + sizeof(void*)*size); + cbuf = rtw_malloc(sizeof(*cbuf) + sizeof(void *) * size); if (cbuf) { cbuf->write = cbuf->read = 0; diff --git a/drivers/staging/rtl8723bs/os_dep/recv_linux.c b/drivers/staging/rtl8723bs/os_dep/recv_linux.c index f42e00081e0e..e804b430931c 100644 --- a/drivers/staging/rtl8723bs/os_dep/recv_linux.c +++ b/drivers/staging/rtl8723bs/os_dep/recv_linux.c @@ -356,8 +356,7 @@ _recv_indicatepkt_drop: void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl) { - struct adapter *padapter = preorder_ctrl->padapter; - - _init_timer(&(preorder_ctrl->reordering_ctrl_timer), padapter->pnetdev, rtw_reordering_ctrl_timeout_handler, preorder_ctrl); + timer_setup(&preorder_ctrl->reordering_ctrl_timer, + rtw_reordering_ctrl_timeout_handler, 0); } diff --git a/drivers/staging/rtl8723bs/os_dep/rtw_proc.c b/drivers/staging/rtl8723bs/os_dep/rtw_proc.c index ce1dd6f9036f..9a885e626d1c 100644 --- a/drivers/staging/rtl8723bs/os_dep/rtw_proc.c +++ b/drivers/staging/rtl8723bs/os_dep/rtw_proc.c @@ -87,7 +87,7 @@ static ssize_t proc_set_log_level(struct file *file, const char __user *buffer, * rtw_drv_proc: * init/deinit when register/unregister driver */ -static const struct rtw_proc_hdl drv_proc_hdls [] = { +static const struct rtw_proc_hdl drv_proc_hdls[] = { {"ver_info", proc_get_drv_version, NULL}, {"log_level", proc_get_log_level, proc_set_log_level}, }; @@ -365,7 +365,7 @@ static int proc_get_cam_cache(struct seq_file *m, void *v) * rtw_adapter_proc: * init/deinit when register/unregister net_device */ -static const struct rtw_proc_hdl adapter_proc_hdls [] = { +static const struct rtw_proc_hdl adapter_proc_hdls[] = { {"write_reg", proc_get_dummy, proc_set_write_reg}, {"read_reg", proc_get_read_reg, proc_set_read_reg}, {"fwstate", proc_get_fwstate, NULL}, @@ -600,7 +600,7 @@ ssize_t proc_set_odm_adaptivity(struct file *file, const char __user *buffer, si * rtw_odm_proc: * init/deinit when register/unregister net_device, along with rtw_adapter_proc */ -static const struct rtw_proc_hdl odm_proc_hdls [] = { +static const struct rtw_proc_hdl odm_proc_hdls[] = { {"dbg_comp", proc_get_odm_dbg_comp, proc_set_odm_dbg_comp}, {"dbg_level", proc_get_odm_dbg_level, proc_set_odm_dbg_level}, {"ability", proc_get_odm_ability, proc_set_odm_ability}, diff --git a/drivers/staging/rtl8723bs/os_dep/wifi_regd.c b/drivers/staging/rtl8723bs/os_dep/wifi_regd.c index 305e88a6b2ca..aa2f62acc994 100644 --- a/drivers/staging/rtl8723bs/os_dep/wifi_regd.c +++ b/drivers/staging/rtl8723bs/os_dep/wifi_regd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * Copyright(c) 2009-2010 Realtek Corporation. diff --git a/drivers/staging/rtlwifi/base.c b/drivers/staging/rtlwifi/base.c index b88b0e8edd3d..c947def37d31 100644 --- a/drivers/staging/rtlwifi/base.c +++ b/drivers/staging/rtlwifi/base.c @@ -465,10 +465,10 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw) struct rtl_priv *rtlpriv = rtl_priv(hw); /* <1> timer */ - setup_timer(&rtlpriv->works.watchdog_timer, - rtl_watch_dog_timer_callback, (unsigned long)hw); - setup_timer(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, - rtl_easy_concurrent_retrytimer_callback, (unsigned long)hw); + timer_setup(&rtlpriv->works.watchdog_timer, + rtl_watch_dog_timer_callback, 0); + timer_setup(&rtlpriv->works.dualmac_easyconcurrent_retrytimer, + rtl_easy_concurrent_retrytimer_callback, 0); /* <2> work queue */ rtlpriv->works.hw = hw; rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name); @@ -637,7 +637,7 @@ static void _rtl_query_shortgi(struct ieee80211_hw *hw, sgi_20 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; sgi_80 = sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80; - if ((!sta->ht_cap.ht_supported) && (!sta->vht_cap.vht_supported)) + if (!sta->ht_cap.ht_supported && !sta->vht_cap.vht_supported) return; if (!sgi_40 && !sgi_20) @@ -734,10 +734,10 @@ u8 rtl_mrate_idx_to_arfr_id( ret = RATEID_IDX_B; break; case RATR_INX_WIRELESS_MC: - if ((wirelessmode == WIRELESS_MODE_B) || - (wirelessmode == WIRELESS_MODE_G) || - (wirelessmode == WIRELESS_MODE_N_24G) || - (wirelessmode == WIRELESS_MODE_AC_24G)) + if (wirelessmode == WIRELESS_MODE_B || + wirelessmode == WIRELESS_MODE_G || + wirelessmode == WIRELESS_MODE_N_24G || + wirelessmode == WIRELESS_MODE_AC_24G) ret = RATEID_IDX_BG; else ret = RATEID_IDX_G; @@ -920,7 +920,7 @@ static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, else if ((tx_mcs_map & 0x000c) >> 2 == IEEE80211_VHT_MCS_SUPPORT_0_8) hw_rate = - rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; + rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS8]; else hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_2SS_MCS9]; @@ -932,7 +932,7 @@ static u8 _rtl_get_vht_highest_n_rate(struct ieee80211_hw *hw, else if ((tx_mcs_map & 0x0003) == IEEE80211_VHT_MCS_SUPPORT_0_8) hw_rate = - rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; + rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS8]; else hw_rate = rtlpriv->cfg->maps[RTL_RC_VHT_RATE_1SS_MCS9]; @@ -948,8 +948,8 @@ static u8 _rtl_get_highest_n_rate(struct ieee80211_hw *hw, struct rtl_phy *rtlphy = &rtlpriv->phy; u8 hw_rate; - if ((get_rf_type(rtlphy) == RF_2T2R) && - (sta->ht_cap.mcs.rx_mask[1] != 0)) + if (get_rf_type(rtlphy) == RF_2T2R && + sta->ht_cap.mcs.rx_mask[1] != 0) hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS15]; else hw_rate = rtlpriv->cfg->maps[RTL_RC_HT_RATEMCS7]; @@ -1277,7 +1277,7 @@ void rtl_get_tcb_desc(struct ieee80211_hw *hw, tcb_desc->hw_rate = _rtl_get_vht_highest_n_rate(hw, sta); } else { - if (sta && (sta->ht_cap.ht_supported)) { + if (sta && sta->ht_cap.ht_supported) { tcb_desc->hw_rate = _rtl_get_highest_n_rate(hw, sta); } else { @@ -2080,9 +2080,9 @@ void rtl_watchdog_wq_callback(void *data) rtlpriv->btcoexist.btc_ops->btc_is_bt_ctrl_lps(rtlpriv)) goto label_lps_done; - if (((rtlpriv->link_info.num_rx_inperiod + - rtlpriv->link_info.num_tx_inperiod) > 8) || - (rtlpriv->link_info.num_rx_inperiod > 2)) + if (rtlpriv->link_info.num_rx_inperiod + + rtlpriv->link_info.num_tx_inperiod > 8 || + rtlpriv->link_info.num_rx_inperiod > 2) rtl_lps_leave(hw); else rtl_lps_enter(hw); @@ -2161,10 +2161,9 @@ label_lps_done: rtl_scan_list_expire(hw); } -void rtl_watch_dog_timer_callback(unsigned long data) +void rtl_watch_dog_timer_callback(struct timer_list *t) { - struct ieee80211_hw *hw = (struct ieee80211_hw *)data; - struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_priv *rtlpriv = from_timer(rtlpriv, t, works.watchdog_timer); queue_delayed_work(rtlpriv->works.rtl_wq, &rtlpriv->works.watchdog_wq, 0); @@ -2270,10 +2269,11 @@ void rtl_c2hcmd_wq_callback(void *data) rtl_c2hcmd_launcher(hw, 1); } -void rtl_easy_concurrent_retrytimer_callback(unsigned long data) +void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t) { - struct ieee80211_hw *hw = (struct ieee80211_hw *)data; - struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_priv *rtlpriv = + from_timer(rtlpriv, t, works.dualmac_easyconcurrent_retrytimer); + struct ieee80211_hw *hw = rtlpriv->hw; struct rtl_priv *buddy_priv = rtlpriv->buddy_priv; if (!buddy_priv) @@ -2334,9 +2334,7 @@ static struct sk_buff *rtl_make_smps_action(struct ieee80211_hw *hw, case IEEE80211_SMPS_AUTOMATIC:/* 0 */ case IEEE80211_SMPS_NUM_MODES:/* 4 */ WARN_ON(1); - /* Here will get a 'MISSING_BREAK' in Coverity Test, just ignore it. - * According to Kernel Code, here is right. - */ + /* fall through */ case IEEE80211_SMPS_OFF:/* 1 */ /*MIMO_PS_NOLIMIT*/ action_frame->u.action.u.ht_smps.smps_control = WLAN_HT_SMPS_CONTROL_DISABLED;/* 0 */ @@ -2552,8 +2550,8 @@ bool rtl_check_beacon_key(struct ieee80211_hw *hw, void *data, unsigned int len) bcn_key.valid = true; /* update cur_beacon_keys or compare beacon key */ - if ((rtlpriv->mac80211.link_state != MAC80211_LINKED) && - (rtlpriv->mac80211.link_state != MAC80211_LINKED_SCANNING)) + if (rtlpriv->mac80211.link_state != MAC80211_LINKED && + rtlpriv->mac80211.link_state != MAC80211_LINKED_SCANNING) return true; if (!cur_bcn_key->valid) { @@ -2576,8 +2574,8 @@ bool rtl_check_beacon_key(struct ieee80211_hw *hw, void *data, unsigned int len) goto chk_exit; } - if ((cur_bcn_key->bcn_channel == bcn_key.bcn_channel) && - (cur_bcn_key->ht_cap_info == bcn_key.ht_cap_info)) { + if (cur_bcn_key->bcn_channel == bcn_key.bcn_channel && + cur_bcn_key->ht_cap_info == bcn_key.ht_cap_info) { /* Beacon HT info IE, secondary channel offset check */ /* 40M -> 20M */ if (cur_bcn_key->ht_info_infos_0_sco > diff --git a/drivers/staging/rtlwifi/base.h b/drivers/staging/rtlwifi/base.h index 1829712dc4e2..b7f92b32978e 100644 --- a/drivers/staging/rtlwifi/base.h +++ b/drivers/staging/rtlwifi/base.h @@ -120,7 +120,7 @@ void rtl_init_rx_config(struct ieee80211_hw *hw); void rtl_init_rfkill(struct ieee80211_hw *hw); void rtl_deinit_rfkill(struct ieee80211_hw *hw); -void rtl_watch_dog_timer_callback(unsigned long data); +void rtl_watch_dog_timer_callback(struct timer_list *t); void rtl_deinit_deferred_work(struct ieee80211_hw *hw); bool rtl_action_proc(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx); @@ -176,7 +176,7 @@ int rtl_send_smps_action(struct ieee80211_hw *hw, u8 *rtl_find_ie(u8 *data, unsigned int len, u8 ie); void rtl_recognize_peer(struct ieee80211_hw *hw, u8 *data, unsigned int len); u8 rtl_tid_to_ac(u8 tid); -void rtl_easy_concurrent_retrytimer_callback(unsigned long data); +void rtl_easy_concurrent_retrytimer_callback(struct timer_list *t); extern struct rtl_global_var rtl_global_var; void rtl_phy_scan_operation_backup(struct ieee80211_hw *hw, u8 operation); bool rtl_check_beacon_key(struct ieee80211_hw *hw, void *data, diff --git a/drivers/staging/rtlwifi/core.c b/drivers/staging/rtlwifi/core.c index d33847d0550d..b00e51df984f 100644 --- a/drivers/staging/rtlwifi/core.c +++ b/drivers/staging/rtlwifi/core.c @@ -49,43 +49,6 @@ u8 channel5g_80m[CHANNEL_MAX_NUMBER_5G_80M] = { 42, 58, 106, 122, 138, 155, 171 }; -void rtl_addr_delay(u32 addr) -{ - if (addr == 0xfe) - mdelay(50); - else if (addr == 0xfd) - msleep(5); - else if (addr == 0xfc) - msleep(1); - else if (addr == 0xfb) - usleep_range(50, 100); - else if (addr == 0xfa) - usleep_range(5, 10); - else if (addr == 0xf9) - usleep_range(1, 2); -} - -void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, - u32 mask, u32 data) -{ - if (addr >= 0xf9 && addr <= 0xfe) { - rtl_addr_delay(addr); - } else { - rtl_set_rfreg(hw, rfpath, addr, mask, data); - udelay(1); - } -} - -void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) -{ - if (addr >= 0xf9 && addr <= 0xfe) { - rtl_addr_delay(addr); - } else { - rtl_set_bbreg(hw, addr, MASKDWORD, data); - udelay(1); - } -} - static void rtl_fw_do_work(const struct firmware *firmware, void *context, bool is_wow) { @@ -153,7 +116,7 @@ static int rtl_op_start(struct ieee80211_hw *hw) mutex_lock(&rtlpriv->locks.conf_mutex); err = rtlpriv->intf_ops->adapter_start(hw); if (!err) - rtl_watch_dog_timer_callback((unsigned long)hw); + rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); mutex_unlock(&rtlpriv->locks.conf_mutex); return err; } @@ -339,9 +302,9 @@ static void rtl_op_remove_interface(struct ieee80211_hw *hw, mutex_lock(&rtlpriv->locks.conf_mutex); /* Free beacon resources */ - if ((vif->type == NL80211_IFTYPE_AP) || - (vif->type == NL80211_IFTYPE_ADHOC) || - (vif->type == NL80211_IFTYPE_MESH_POINT)) { + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_MESH_POINT) { if (mac->beacon_enabled == 1) { mac->beacon_enabled = 0; rtlpriv->cfg->ops->update_interrupt_mask(hw, 0, @@ -449,7 +412,8 @@ static void _rtl_add_wowlan_patterns(struct ieee80211_hw *hw, for (i = 0; i < wow->n_patterns; i++) { memset(&rtl_pattern, 0, sizeof(struct rtl_wow_pattern)); memset(mask, 0, MAX_WOL_BIT_MASK_SIZE); - if (patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { + if (patterns[i].pattern_len < 0 || + patterns[i].pattern_len > MAX_WOL_PATTERN_SIZE) { RT_TRACE(rtlpriv, COMP_POWER, DBG_WARNING, "Pattern[%d] is too long\n", i); continue; @@ -856,8 +820,8 @@ static void rtl_op_configure_filter(struct ieee80211_hw *hw, * here just used for linked scanning, & linked * and nolink check bssid is set in set network_type */ - if ((changed_flags & FIF_BCN_PRBRESP_PROMISC) && - (mac->link_state >= MAC80211_LINKED)) { + if (changed_flags & FIF_BCN_PRBRESP_PROMISC && + mac->link_state >= MAC80211_LINKED) { if (mac->opmode != NL80211_IFTYPE_AP && mac->opmode != NL80211_IFTYPE_MESH_POINT) { if (*new_flags & FIF_BCN_PRBRESP_PROMISC) @@ -1078,10 +1042,10 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); mutex_lock(&rtlpriv->locks.conf_mutex); - if ((vif->type == NL80211_IFTYPE_ADHOC) || - (vif->type == NL80211_IFTYPE_AP) || - (vif->type == NL80211_IFTYPE_MESH_POINT)) { - if ((changed & BSS_CHANGED_BEACON) || + if (vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_MESH_POINT) { + if (changed & BSS_CHANGED_BEACON || (changed & BSS_CHANGED_BEACON_ENABLED && bss_conf->enable_beacon)) { if (mac->beacon_enabled == 0) { @@ -1160,7 +1124,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, if (rtlpriv->dm.supp_phymode_switch) { if (sta->ht_cap.ht_supported) rtl_send_smps_action(hw, sta, - IEEE80211_SMPS_STATIC); + IEEE80211_SMPS_STATIC); } if (rtlhal->current_bandtype == BAND_ON_5G) { @@ -1224,7 +1188,7 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, cfg80211_unlink_bss(hw->wiphy, bss); cfg80211_put_bss(hw->wiphy, bss); RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, - "cfg80211_unlink !!\n"); + "cfg80211_unlink !!\n"); } eth_zero_addr(mac->bssid); @@ -1621,8 +1585,8 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -ENOSPC; /*User disabled HW-crypto */ } /* To support IBSS, use sw-crypto for GTK */ - if (((vif->type == NL80211_IFTYPE_ADHOC) || - (vif->type == NL80211_IFTYPE_MESH_POINT)) && + if ((vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_MESH_POINT) && !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) return -ENOSPC; RT_TRACE(rtlpriv, COMP_SEC, DBG_DMESG, @@ -1697,7 +1661,7 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, rtlpriv->cfg->ops->enable_hw_sec(hw); } } else { - if ((!group_key) || (vif->type == NL80211_IFTYPE_ADHOC) || + if (!group_key || vif->type == NL80211_IFTYPE_ADHOC || rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION) { if (rtlpriv->sec.pairwise_enc_algorithm == NO_ENCRYPTION && @@ -1885,7 +1849,7 @@ bool rtl_hal_pwrseqcmdparsing(struct rtl_priv *rtlpriv, u8 cut_version, break; case PWR_CMD_WRITE: RT_TRACE(rtlpriv, COMP_INIT, DBG_TRACE, - "%s(): PWR_CMD_WRITE\n", __func__); + "%s(): PWR_CMD_WRITE\n", __func__); offset = GET_PWR_CFG_OFFSET(cfg_cmd); /*Read the value from system register*/ diff --git a/drivers/staging/rtlwifi/core.h b/drivers/staging/rtlwifi/core.h index 782ac2fc4b28..4c2b69412621 100644 --- a/drivers/staging/rtlwifi/core.h +++ b/drivers/staging/rtlwifi/core.h @@ -75,10 +75,6 @@ enum dm_dig_connect_e { extern const struct ieee80211_ops rtl_ops; void rtl_fw_cb(const struct firmware *firmware, void *context); void rtl_wowlan_fw_cb(const struct firmware *firmware, void *context); -void rtl_addr_delay(u32 addr); -void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, - u32 mask, u32 data); -void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data); bool rtl_cmd_send_packet(struct ieee80211_hw *hw, struct sk_buff *skb); bool rtl_btc_status_false(void); void rtl_dm_diginit(struct ieee80211_hw *hw, u32 cur_igval); diff --git a/drivers/staging/rtlwifi/debug.c b/drivers/staging/rtlwifi/debug.c index 7446d71c41d1..be8d72cb63db 100644 --- a/drivers/staging/rtlwifi/debug.c +++ b/drivers/staging/rtlwifi/debug.c @@ -33,7 +33,7 @@ void _rtl_dbg_trace(struct rtl_priv *rtlpriv, u64 comp, int level, const char *fmt, ...) { if (unlikely((comp & rtlpriv->cfg->mod_params->debug_mask) && - (level <= rtlpriv->cfg->mod_params->debug_level))) { + level <= rtlpriv->cfg->mod_params->debug_level)) { struct va_format vaf; va_list args; @@ -52,7 +52,7 @@ void _rtl_dbg_print(struct rtl_priv *rtlpriv, u64 comp, int level, const char *fmt, ...) { if (unlikely((comp & rtlpriv->cfg->mod_params->debug_mask) && - (level <= rtlpriv->cfg->mod_params->debug_level))) { + level <= rtlpriv->cfg->mod_params->debug_level)) { struct va_format vaf; va_list args; @@ -127,10 +127,10 @@ static int rtl_debug_get_mac_page(struct seq_file *m, void *v) return 0; } -#define RTL_DEBUG_IMPL_MAC_SERIES(page, addr) \ -struct rtl_debugfs_priv rtl_debug_priv_mac_ ##page = { \ - .cb_read = rtl_debug_get_mac_page, \ - .cb_data = addr, \ +#define RTL_DEBUG_IMPL_MAC_SERIES(page, addr) \ +static struct rtl_debugfs_priv rtl_debug_priv_mac_ ##page = { \ + .cb_read = rtl_debug_get_mac_page, \ + .cb_data = addr, \ } RTL_DEBUG_IMPL_MAC_SERIES(0, 0x0000); @@ -169,10 +169,10 @@ static int rtl_debug_get_bb_page(struct seq_file *m, void *v) return 0; } -#define RTL_DEBUG_IMPL_BB_SERIES(page, addr) \ -struct rtl_debugfs_priv rtl_debug_priv_bb_ ##page = { \ - .cb_read = rtl_debug_get_bb_page, \ - .cb_data = addr, \ +#define RTL_DEBUG_IMPL_BB_SERIES(page, addr) \ +static struct rtl_debugfs_priv rtl_debug_priv_bb_ ##page = { \ + .cb_read = rtl_debug_get_bb_page, \ + .cb_data = addr, \ } RTL_DEBUG_IMPL_BB_SERIES(8, 0x0800); @@ -216,10 +216,10 @@ static int rtl_debug_get_reg_rf(struct seq_file *m, void *v) return 0; } -#define RTL_DEBUG_IMPL_RF_SERIES(page, addr) \ -struct rtl_debugfs_priv rtl_debug_priv_rf_ ##page = { \ - .cb_read = rtl_debug_get_reg_rf, \ - .cb_data = addr, \ +#define RTL_DEBUG_IMPL_RF_SERIES(page, addr) \ +static struct rtl_debugfs_priv rtl_debug_priv_rf_ ##page = { \ + .cb_read = rtl_debug_get_reg_rf, \ + .cb_data = addr, \ } RTL_DEBUG_IMPL_RF_SERIES(a, RF90_PATH_A); @@ -271,10 +271,10 @@ static int rtl_debug_get_cam_register(struct seq_file *m, void *v) return 0; } -#define RTL_DEBUG_IMPL_CAM_SERIES(page, addr) \ -struct rtl_debugfs_priv rtl_debug_priv_cam_ ##page = { \ - .cb_read = rtl_debug_get_cam_register, \ - .cb_data = addr, \ +#define RTL_DEBUG_IMPL_CAM_SERIES(page, addr) \ +static struct rtl_debugfs_priv rtl_debug_priv_cam_ ##page = { \ + .cb_read = rtl_debug_get_cam_register, \ + .cb_data = addr, \ } RTL_DEBUG_IMPL_CAM_SERIES(1, 0); diff --git a/drivers/staging/rtlwifi/efuse.c b/drivers/staging/rtlwifi/efuse.c index 6d5e657017c6..d74c80d512c9 100644 --- a/drivers/staging/rtlwifi/efuse.c +++ b/drivers/staging/rtlwifi/efuse.c @@ -252,12 +252,11 @@ void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf) sizeof(u8), GFP_ATOMIC); if (!efuse_tbl) return; - efuse_word = kzalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC); + efuse_word = kcalloc(EFUSE_MAX_WORD_UNIT, sizeof(u16 *), GFP_ATOMIC); if (!efuse_word) goto out; for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { - efuse_word[i] = kzalloc(efuse_max_section * sizeof(u16), - GFP_ATOMIC); + efuse_word[i] = kcalloc(efuse_max_section, sizeof(u16), GFP_ATOMIC); if (!efuse_word[i]) goto done; } diff --git a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c index edbf6af1c8b7..448b1379d220 100644 --- a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c +++ b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_api_88xx.c @@ -3391,8 +3391,10 @@ halmac_cfg_txbf_88xx(struct halmac_adapter *halmac_adapter, u8 userid, switch (bw) { case HALMAC_BW_80: temp42C |= BIT_R_TXBF0_80M; + /* fall through */ case HALMAC_BW_40: temp42C |= BIT_R_TXBF0_40M; + /* fall through */ case HALMAC_BW_20: temp42C |= BIT_R_TXBF0_20M; break; diff --git a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_func_88xx.c b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_func_88xx.c index 544f638ed3ef..c4cb217d3d1f 100644 --- a/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_func_88xx.c +++ b/drivers/staging/rtlwifi/halmac/halmac_88xx/halmac_func_88xx.c @@ -276,17 +276,13 @@ halmac_dump_efuse_drv_88xx(struct halmac_adapter *halmac_adapter) if (!halmac_adapter->hal_efuse_map) { halmac_adapter->hal_efuse_map = kzalloc(efuse_size, GFP_KERNEL); - if (!halmac_adapter->hal_efuse_map) { - pr_err("[ERR]halmac allocate efuse map Fail!!\n"); + if (!halmac_adapter->hal_efuse_map) return HALMAC_RET_MALLOC_FAIL; - } } efuse_map = kzalloc(efuse_size, GFP_KERNEL); - if (!efuse_map) { - /* out of memory */ + if (!efuse_map) return HALMAC_RET_MALLOC_FAIL; - } if (halmac_read_hw_efuse_88xx(halmac_adapter, 0, efuse_size, efuse_map) != HALMAC_RET_SUCCESS) { @@ -325,10 +321,8 @@ halmac_dump_efuse_fw_88xx(struct halmac_adapter *halmac_adapter) if (!halmac_adapter->hal_efuse_map) { halmac_adapter->hal_efuse_map = kzalloc( halmac_adapter->hw_config_info.efuse_size, GFP_KERNEL); - if (!halmac_adapter->hal_efuse_map) { - /* out of memory */ + if (!halmac_adapter->hal_efuse_map) return HALMAC_RET_MALLOC_FAIL; - } } if (!halmac_adapter->hal_efuse_map_valid) { @@ -537,10 +531,8 @@ halmac_read_logical_efuse_map_88xx(struct halmac_adapter *halmac_adapter, if (!halmac_adapter->hal_efuse_map_valid) { efuse_map = kzalloc(efuse_size, GFP_KERNEL); - if (!efuse_map) { - pr_err("[ERR]halmac allocate local efuse map Fail!!\n"); + if (!efuse_map) return HALMAC_RET_MALLOC_FAIL; - } status = halmac_func_read_efuse_88xx(halmac_adapter, 0, efuse_size, efuse_map); @@ -554,7 +546,6 @@ halmac_read_logical_efuse_map_88xx(struct halmac_adapter *halmac_adapter, halmac_adapter->hal_efuse_map = kzalloc(efuse_size, GFP_KERNEL); if (!halmac_adapter->hal_efuse_map) { - pr_err("[ERR]halmac allocate efuse map Fail!!\n"); kfree(efuse_map); return HALMAC_RET_MALLOC_FAIL; } @@ -592,10 +583,8 @@ halmac_func_write_logical_efuse_88xx(struct halmac_adapter *halmac_adapter, driver_adapter = halmac_adapter->driver_adapter; eeprom_map = kzalloc(eeprom_size, GFP_KERNEL); - if (!eeprom_map) { - /* out of memory */ + if (!eeprom_map) return HALMAC_RET_MALLOC_FAIL; - } memset(eeprom_map, 0xFF, eeprom_size); status = halmac_read_logical_efuse_map_88xx(halmac_adapter, eeprom_map); @@ -687,10 +676,8 @@ halmac_func_pg_efuse_by_map_88xx(struct halmac_adapter *halmac_adapter, enum halmac_ret_status status = HALMAC_RET_SUCCESS; eeprom_mask_updated = kzalloc(eeprom_mask_size, GFP_KERNEL); - if (!eeprom_mask_updated) { - /* out of memory */ + if (!eeprom_mask_updated) return HALMAC_RET_MALLOC_FAIL; - } status = halmac_update_eeprom_mask_88xx(halmac_adapter, pg_efuse_info, eeprom_mask_updated); @@ -743,12 +730,10 @@ halmac_update_eeprom_mask_88xx(struct halmac_adapter *halmac_adapter, driver_adapter = halmac_adapter->driver_adapter; eeprom_map = kzalloc(eeprom_size, GFP_KERNEL); - if (!eeprom_map) { - /* out of memory */ + if (!eeprom_map) return HALMAC_RET_MALLOC_FAIL; - } - memset(eeprom_map, 0xFF, eeprom_size); + memset(eeprom_map, 0xFF, eeprom_size); memset(eeprom_mask_updated, 0x00, pg_efuse_info->efuse_mask_size); status = halmac_read_logical_efuse_map_88xx(halmac_adapter, eeprom_map); @@ -1036,7 +1021,7 @@ halmac_dlfw_to_mem_88xx(struct halmac_adapter *halmac_adapter, u8 *ram_code, if (halmac_send_fwpkt_88xx( halmac_adapter, code_ptr + mem_offset, send_pkt_size) != HALMAC_RET_SUCCESS) { - pr_err("halmac_send_fwpkt_88xx fail!!"); + pr_err("halmac_send_fwpkt_88xx fail!!\n"); return HALMAC_RET_DLFW_FAIL; } @@ -1046,7 +1031,7 @@ halmac_dlfw_to_mem_88xx(struct halmac_adapter *halmac_adapter, u8 *ram_code, halmac_adapter->hw_config_info.txdesc_size, dest + mem_offset, send_pkt_size, first_part) != HALMAC_RET_SUCCESS) { - pr_err("halmac_iddma_dlfw_88xx fail!!"); + pr_err("halmac_iddma_dlfw_88xx fail!!\n"); return HALMAC_RET_DLFW_FAIL; } @@ -1057,7 +1042,7 @@ halmac_dlfw_to_mem_88xx(struct halmac_adapter *halmac_adapter, u8 *ram_code, if (halmac_check_fw_chksum_88xx(halmac_adapter, dest) != HALMAC_RET_SUCCESS) { - pr_err("halmac_check_fw_chksum_88xx fail!!"); + pr_err("halmac_check_fw_chksum_88xx fail!!\n"); return HALMAC_RET_DLFW_FAIL; } @@ -2549,10 +2534,8 @@ halmac_parse_efuse_data_88xx(struct halmac_adapter *halmac_adapter, u8 *c2h_buf, halmac_adapter->efuse_segment_size = segment_size; eeprom_map = kzalloc(eeprom_size, GFP_KERNEL); - if (!eeprom_map) { - /* out of memory */ + if (!eeprom_map) return HALMAC_RET_MALLOC_FAIL; - } memset(eeprom_map, 0xFF, eeprom_size); spin_lock(&halmac_adapter->efuse_lock); @@ -3355,10 +3338,8 @@ enum halmac_ret_status halmac_query_dump_logical_efuse_status_88xx( *size = eeprom_size; eeprom_map = kzalloc(eeprom_size, GFP_KERNEL); - if (!eeprom_map) { - /* out of memory */ + if (!eeprom_map) return HALMAC_RET_MALLOC_FAIL; - } memset(eeprom_map, 0xFF, eeprom_size); if (halmac_eeprom_parser_88xx( @@ -3579,10 +3560,8 @@ halmac_verify_send_rsvd_page_88xx(struct halmac_adapter *halmac_adapter) rsvd_buf = kzalloc(h2c_pkt_verify_size, GFP_KERNEL); - if (!rsvd_buf) { - /*pr_err("[ERR]rsvd buffer malloc fail!!\n");*/ + if (!rsvd_buf) return HALMAC_RET_MALLOC_FAIL; - } memset(rsvd_buf, (u8)h2c_pkt_verify_payload, h2c_pkt_verify_size); @@ -3599,7 +3578,6 @@ halmac_verify_send_rsvd_page_88xx(struct halmac_adapter *halmac_adapter) GFP_KERNEL); if (!rsvd_page) { - pr_err("[ERR]rsvd page malloc fail!!\n"); kfree(rsvd_buf); return HALMAC_RET_MALLOC_FAIL; } diff --git a/drivers/staging/rtlwifi/halmac/rtl_halmac.c b/drivers/staging/rtlwifi/halmac/rtl_halmac.c index 6448a8bfc14b..66f0a6dfc52c 100644 --- a/drivers/staging/rtlwifi/halmac/rtl_halmac.c +++ b/drivers/staging/rtlwifi/halmac/rtl_halmac.c @@ -617,7 +617,7 @@ static int _send_general_info(struct rtl_priv *rtlpriv) RT_TRACE(rtlpriv, COMP_HALMAC, DBG_WARNING, "%s: halmac_send_general_info() fail because fw not dl!\n", __func__); - /* fallthrough here */ + /* fall through */ default: return -1; } diff --git a/drivers/staging/rtlwifi/pci.c b/drivers/staging/rtlwifi/pci.c index 4035b8835bd1..70a64a5f564a 100644 --- a/drivers/staging/rtlwifi/pci.c +++ b/drivers/staging/rtlwifi/pci.c @@ -649,7 +649,7 @@ static void _rtl_pci_tx_isr(struct ieee80211_hw *hw, int prio) prio, ring->idx, skb_queue_len(&ring->queue)); - ieee80211_wake_queue(hw, skb_get_queue_mapping (skb)); + ieee80211_wake_queue(hw, skb_get_queue_mapping(skb)); } tx_status_ok: skb = NULL; diff --git a/drivers/staging/rtlwifi/phydm/halphyrf_ce.c b/drivers/staging/rtlwifi/phydm/halphyrf_ce.c index 684e383201d6..5986892e767e 100644 --- a/drivers/staging/rtlwifi/phydm/halphyrf_ce.c +++ b/drivers/staging/rtlwifi/phydm/halphyrf_ce.c @@ -798,7 +798,7 @@ void odm_txpowertracking_callback_thermal_meter(void *dm_void) if (xtal_offset_eanble != 0 && cali_info->txpowertrack_control && - (rtlefu->eeprom_thermalmeter != 0xff)) { + rtlefu->eeprom_thermalmeter != 0xff) { ODM_RT_TRACE( dm, ODM_COMP_TX_PWR_TRACK, "**********Enter Xtal Tracking**********\n"); diff --git a/drivers/staging/rtlwifi/phydm/phydm.c b/drivers/staging/rtlwifi/phydm/phydm.c index 37888c3087a4..8b2a180cc13c 100644 --- a/drivers/staging/rtlwifi/phydm/phydm.c +++ b/drivers/staging/rtlwifi/phydm/phydm.c @@ -1338,7 +1338,7 @@ static void odm_update_power_training_state(struct phy_dm_struct *dm) return; /* First connect */ - if ((dm->is_linked) && !dig_tab->is_media_connect_0) { + if (dm->is_linked && !dig_tab->is_media_connect_0) { dm->PT_score = 0; dm->is_change_state = true; dm->phy_dbg_info.num_qry_phy_status_ofdm = 0; @@ -1360,7 +1360,7 @@ static void odm_update_power_training_state(struct phy_dm_struct *dm) (u32)(dm->phy_dbg_info.num_qry_phy_status_cck); if ((false_alm_cnt->cnt_cca_all > 31 && rx_pkt_cnt > 31) && - (false_alm_cnt->cnt_cca_all >= rx_pkt_cnt)) { + false_alm_cnt->cnt_cca_all >= rx_pkt_cnt) { if ((rx_pkt_cnt + (rx_pkt_cnt >> 1)) <= false_alm_cnt->cnt_cca_all) score = 0; @@ -1697,7 +1697,7 @@ static u8 phydm_calculate_fc(void *dm_void, u32 channel, u32 bw, u32 second_ch, fc = 2412 + (channel - 1) * 5; - if (bw == 40 && (second_ch == PHYDM_ABOVE)) { + if (bw == 40 && second_ch == PHYDM_ABOVE) { if (channel >= 10) { ODM_RT_TRACE( dm, ODM_COMP_API, @@ -1774,7 +1774,7 @@ static u8 phydm_calculate_intf_distance(void *dm_void, u32 bw, u32 fc, "[f_l, fc, fh] = [ %d, %d, %d ], f_int = ((%d))\n", bw_low, fc, bw_up, f_interference); - if ((f_interference >= bw_low) && (f_interference <= bw_up)) { + if (f_interference >= bw_low && f_interference <= bw_up) { int_distance = (fc >= f_interference) ? (fc - f_interference) : (f_interference - fc); tone_idx_tmp = diff --git a/drivers/staging/rtlwifi/phydm/phydm_adaptivity.c b/drivers/staging/rtlwifi/phydm/phydm_adaptivity.c index 4f9e267409f6..103a774f9c8f 100644 --- a/drivers/staging/rtlwifi/phydm/phydm_adaptivity.c +++ b/drivers/staging/rtlwifi/phydm/phydm_adaptivity.c @@ -762,7 +762,7 @@ void phydm_adaptivity(void *dm_void) dm->rssi_min, adaptivity->adajust_igi_level, dm->adaptivity_flag, dm->adaptivity_enable); - if (adaptivity->dynamic_link_adaptivity && (!dm->is_linked) && + if (adaptivity->dynamic_link_adaptivity && !dm->is_linked && !dm->adaptivity_enable) { phydm_set_edcca_threshold(dm, 0x7f, 0x7f); ODM_RT_TRACE( @@ -773,7 +773,7 @@ void phydm_adaptivity(void *dm_void) if (dm->support_ic_type & (ODM_IC_11AC_GAIN_IDX_EDCCA | ODM_IC_11N_GAIN_IDX_EDCCA)) { - if ((adaptivity->adajust_igi_level > IGI) && + if (adaptivity->adajust_igi_level > IGI && dm->adaptivity_enable) diff = adaptivity->adajust_igi_level - IGI; diff --git a/drivers/staging/rtlwifi/phydm/phydm_debug.c b/drivers/staging/rtlwifi/phydm/phydm_debug.c index a5f90afdae9b..e18ba2cca2bd 100644 --- a/drivers/staging/rtlwifi/phydm/phydm_debug.c +++ b/drivers/staging/rtlwifi/phydm/phydm_debug.c @@ -29,6 +29,7 @@ #include "mp_precomp.h" #include "phydm_precomp.h" +#include <linux/kernel.h> bool phydm_api_set_txagc(struct phy_dm_struct *, u32, enum odm_rf_radio_path, u8, bool); @@ -1441,9 +1442,9 @@ static void phydm_get_per_path_txagc(void *dm_void, u8 path, u32 *_used, u32 out_len = *_out_len; if (((dm->support_ic_type & (ODM_RTL8822B | ODM_RTL8197F)) && - (path <= ODM_RF_PATH_B)) || + path <= ODM_RF_PATH_B) || ((dm->support_ic_type & (ODM_RTL8821C)) && - (path <= ODM_RF_PATH_A))) { + path <= ODM_RF_PATH_A)) { for (rate_idx = 0; rate_idx <= 0x53; rate_idx++) { if (rate_idx == ODM_RATE1M) PHYDM_SNPRINTF(output + used, out_len - used, @@ -2107,8 +2108,7 @@ void phydm_cmd_parser(struct phy_dm_struct *dm, char input[][MAX_ARGV], /* Parsing Cmd ID */ if (input_num) { - phydm_ary_size = - sizeof(phy_dm_ary) / sizeof(struct phydm_command); + phydm_ary_size = ARRAY_SIZE(phy_dm_ary); for (i = 0; i < phydm_ary_size; i++) { if (strcmp(phy_dm_ary[i].name, input[0]) == 0) { id = phy_dm_ary[i].id; @@ -2530,7 +2530,7 @@ void phydm_cmd_parser(struct phy_dm_struct *dm, char input[][MAX_ARGV], } /* NMH trigger */ - if ((var1[0] <= 2) && (var1[0] != 0)) { + if (var1[0] <= 2 && var1[0] != 0) { ccx_info->echo_NHM_en = true; ccx_info->echo_IGI = (u8)odm_get_bb_reg(dm, 0xC50, MASKBYTE0); @@ -2808,7 +2808,7 @@ void phydm_fw_trace_handler(void *dm_void, u8 *cmd_buf, u8 cmd_len) freg_num = (buf_0 & 0xf); c2h_seq = (buf_0 & 0xf0) >> 4; - if ((c2h_seq != dm->pre_c2h_seq) && !dm->fw_buff_is_enpty) { + if (c2h_seq != dm->pre_c2h_seq && !dm->fw_buff_is_enpty) { dm->fw_debug_trace[dm->c2h_cmd_start] = '\0'; ODM_RT_TRACE(dm, ODM_FW_DEBUG_TRACE, "[FW Dbg Queue Overflow] %s\n", diff --git a/drivers/staging/rtlwifi/phydm/phydm_dig.c b/drivers/staging/rtlwifi/phydm/phydm_dig.c index 31a4f3fcad19..f851ff12dc35 100644 --- a/drivers/staging/rtlwifi/phydm/phydm_dig.c +++ b/drivers/staging/rtlwifi/phydm/phydm_dig.c @@ -198,7 +198,7 @@ static u8 odm_forbidden_igi_check(void *dm_void, u8 dig_dynamic_min, if ((fa_cnt->cnt_all > (fa_cnt->cnt_all_pre + (fa_cnt->cnt_all_pre >> 3) + (fa_cnt->cnt_all_pre >> 4))) && - (current_igi < dig_tab->pre_ig_value)) { + current_igi < dig_tab->pre_ig_value) { if (dig_tab->large_fa_hit != 3) dig_tab->large_fa_hit++; @@ -319,7 +319,7 @@ void odm_write_dig(void *dm_void, u8 current_igi) __func__, ODM_REG(IGI_A, dm), ODM_BIT(IGI, dm)); /* 1 Check initial gain by upper bound */ - if ((!dig_tab->is_psd_in_progress) && dm->is_linked) { + if (!dig_tab->is_psd_in_progress && dm->is_linked) { if (current_igi > dig_tab->rx_gain_range_max) { ODM_RT_TRACE( dm, ODM_COMP_DIG, @@ -353,7 +353,7 @@ void odm_write_dig(void *dm_void, u8 current_igi) /*Add by YuChen for USB IO too slow issue*/ if ((dm->support_ability & ODM_BB_ADAPTIVITY) && - (current_igi > dig_tab->cur_ig_value)) { + current_igi > dig_tab->cur_ig_value) { dig_tab->cur_ig_value = current_igi; phydm_adaptivity(dm); } @@ -388,7 +388,7 @@ void odm_pause_dig(void *dm_void, enum phydm_pause_type pause_type, ODM_RT_TRACE(dm, ODM_COMP_DIG, "%s()=========> level = %d\n", __func__, pause_level); - if ((dig_tab->pause_dig_level == 0) && + if (dig_tab->pause_dig_level == 0 && (!(dm->support_ability & ODM_BB_DIG) || !(dm->support_ability & ODM_BB_FA_CNT))) { ODM_RT_TRACE( @@ -490,6 +490,8 @@ void odm_pause_dig(void *dm_void, enum phydm_pause_type pause_type, break; } + /* pin max_level to be >= 0 */ + max_level = max_t(s8, 0, max_level); /* write IGI of lower level */ odm_write_dig(dm, dig_tab->pause_dig_value[max_level]); ODM_RT_TRACE(dm, ODM_COMP_DIG, @@ -718,7 +720,7 @@ void odm_DIG(void *dm_void) /* 4 Modify DIG upper bound for 92E, 8723A\B, 8821 & 8812 BT */ if ((dm->support_ic_type & (ODM_RTL8192E | ODM_RTL8723B | ODM_RTL8812 | ODM_RTL8821)) && - (dm->is_bt_limited_dig == 1)) { + dm->is_bt_limited_dig == 1) { offset = 10; ODM_RT_TRACE( dm, ODM_COMP_DIG, @@ -817,8 +819,8 @@ void odm_DIG(void *dm_void) if (dm->is_linked && !first_connect) { ODM_RT_TRACE(dm, ODM_COMP_DIG, "Beacon Num (%d)\n", dm->phy_dbg_info.num_qry_beacon_pkt); - if ((dm->phy_dbg_info.num_qry_beacon_pkt < 5) && - (dm->bsta_state)) { + if (dm->phy_dbg_info.num_qry_beacon_pkt < 5 && + dm->bsta_state) { dig_tab->rx_gain_range_min = 0x1c; ODM_RT_TRACE( dm, ODM_COMP_DIG, @@ -880,9 +882,9 @@ void odm_DIG(void *dm_void) current_igi = current_igi - 2; /* 4 Abnormal # beacon case */ - if ((dm->phy_dbg_info.num_qry_beacon_pkt < 5) && - (fa_cnt->cnt_all < DM_DIG_FA_TH1) && - (dm->bsta_state)) { + if (dm->phy_dbg_info.num_qry_beacon_pkt < 5 && + fa_cnt->cnt_all < DM_DIG_FA_TH1 && + dm->bsta_state) { current_igi = dig_tab->rx_gain_range_min; ODM_RT_TRACE( dm, ODM_COMP_DIG, @@ -1319,7 +1321,7 @@ void odm_pause_cck_packet_detection(void *dm_void, ODM_RT_TRACE(dm, ODM_COMP_DIG, "%s()=========> level = %d\n", __func__, pause_level); - if ((dig_tab->pause_cckpd_level == 0) && + if (dig_tab->pause_cckpd_level == 0 && (!(dm->support_ability & ODM_BB_CCK_PD) || !(dm->support_ability & ODM_BB_FA_CNT))) { ODM_RT_TRACE( diff --git a/drivers/staging/rtlwifi/phydm/phydm_interface.c b/drivers/staging/rtlwifi/phydm/phydm_interface.c index 102576a46c04..2f9bf6708c54 100644 --- a/drivers/staging/rtlwifi/phydm/phydm_interface.c +++ b/drivers/staging/rtlwifi/phydm/phydm_interface.c @@ -179,29 +179,6 @@ void ODM_sleep_ms(u32 ms) { msleep(ms); } void ODM_sleep_us(u32 us) { usleep_range(us, us + 1); } -void odm_set_timer(struct phy_dm_struct *dm, struct timer_list *timer, - u32 ms_delay) -{ - mod_timer(timer, jiffies + msecs_to_jiffies(ms_delay)); -} - -void odm_initialize_timer(struct phy_dm_struct *dm, struct timer_list *timer, - void *call_back_func, void *context, - const char *sz_id) -{ - init_timer(timer); - timer->function = call_back_func; - timer->data = (unsigned long)dm; - /*mod_timer(timer, jiffies+RTL_MILISECONDS_TO_JIFFIES(10)); */ -} - -void odm_cancel_timer(struct phy_dm_struct *dm, struct timer_list *timer) -{ - del_timer(timer); -} - -void odm_release_timer(struct phy_dm_struct *dm, struct timer_list *timer) {} - static u8 phydm_trans_h2c_id(struct phy_dm_struct *dm, u8 phydm_h2c_id) { u8 platform_h2c_id = phydm_h2c_id; diff --git a/drivers/staging/rtlwifi/phydm/phydm_interface.h b/drivers/staging/rtlwifi/phydm/phydm_interface.h index d315c79c962a..53ba5585bf33 100644 --- a/drivers/staging/rtlwifi/phydm/phydm_interface.h +++ b/drivers/staging/rtlwifi/phydm/phydm_interface.h @@ -172,17 +172,6 @@ void ODM_sleep_ms(u32 ms); void ODM_sleep_us(u32 us); -void odm_set_timer(struct phy_dm_struct *dm, struct timer_list *timer, - u32 ms_delay); - -void odm_initialize_timer(struct phy_dm_struct *dm, struct timer_list *timer, - void *call_back_func, void *context, - const char *sz_id); - -void odm_cancel_timer(struct phy_dm_struct *dm, struct timer_list *timer); - -void odm_release_timer(struct phy_dm_struct *dm, struct timer_list *timer); - /* * ODM FW relative API. */ diff --git a/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_bb.c b/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_bb.c index 4e7946019fcb..29d19f2b300e 100644 --- a/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_bb.c +++ b/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_bb.c @@ -26,6 +26,7 @@ /*Image2HeaderVersion: 3.2*/ #include "../mp_precomp.h" #include "../phydm_precomp.h" +#include <linux/kernel.h> static bool check_positive(struct phy_dm_struct *dm, const u32 condition1, const u32 condition2, const u32 condition3, @@ -1350,7 +1351,6 @@ void odm_read_and_config_mp_8822b_agc_tab(struct phy_dm_struct *dm) u32 i = 0; u8 c_cond; bool is_matched = true, is_skipped = false; - u32 array_len = sizeof(array_mp_8822b_agc_tab) / sizeof(u32); u32 *array = array_mp_8822b_agc_tab; u32 v1 = 0, v2 = 0, pre_v1 = 0, pre_v2 = 0; @@ -1358,7 +1358,7 @@ void odm_read_and_config_mp_8822b_agc_tab(struct phy_dm_struct *dm) ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> %s\n", __func__); - for (; (i + 1) < array_len; i = i + 2) { + for (; (i + 1) < ARRAY_SIZE(array_mp_8822b_agc_tab); i = i + 2) { v1 = array[i]; v2 = array[i + 1]; @@ -1843,7 +1843,6 @@ void odm_read_and_config_mp_8822b_phy_reg(struct phy_dm_struct *dm) u32 i = 0; u8 c_cond; bool is_matched = true, is_skipped = false; - u32 array_len = sizeof(array_mp_8822b_phy_reg) / sizeof(u32); u32 *array = array_mp_8822b_phy_reg; u32 v1 = 0, v2 = 0, pre_v1 = 0, pre_v2 = 0; @@ -1851,7 +1850,7 @@ void odm_read_and_config_mp_8822b_phy_reg(struct phy_dm_struct *dm) ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> %s\n", __func__); - for (; (i + 1) < array_len; i = i + 2) { + for (; (i + 1) < ARRAY_SIZE(array_mp_8822b_phy_reg); i = i + 2) { v1 = array[i]; v2 = array[i + 1]; @@ -1947,7 +1946,6 @@ static u32 array_mp_8822b_phy_reg_pg[] = { void odm_read_and_config_mp_8822b_phy_reg_pg(struct phy_dm_struct *dm) { u32 i = 0; - u32 array_len = sizeof(array_mp_8822b_phy_reg_pg) / sizeof(u32); u32 *array = array_mp_8822b_phy_reg_pg; ODM_RT_TRACE(dm, ODM_COMP_INIT, @@ -1956,7 +1954,7 @@ void odm_read_and_config_mp_8822b_phy_reg_pg(struct phy_dm_struct *dm) dm->phy_reg_pg_version = 1; dm->phy_reg_pg_value_type = PHY_REG_PG_EXACT_VALUE; - for (i = 0; i < array_len; i += 6) { + for (i = 0; i < ARRAY_SIZE(array_mp_8822b_phy_reg_pg); i += 6) { u32 v1 = array[i]; u32 v2 = array[i + 1]; u32 v3 = array[i + 2]; diff --git a/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_mac.c b/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_mac.c index 1a9daed2e609..70924f002541 100644 --- a/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_mac.c +++ b/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_mac.c @@ -26,6 +26,7 @@ /*Image2HeaderVersion: 3.2*/ #include "../mp_precomp.h" #include "../phydm_precomp.h" +#include <linux/kernel.h> static bool check_positive(struct phy_dm_struct *dm, const u32 condition1, const u32 condition2, const u32 condition3, @@ -173,7 +174,6 @@ void odm_read_and_config_mp_8822b_mac_reg(struct phy_dm_struct *dm) u32 i = 0; u8 c_cond; bool is_matched = true, is_skipped = false; - u32 array_len = sizeof(array_mp_8822b_mac_reg) / sizeof(u32); u32 *array = array_mp_8822b_mac_reg; u32 v1 = 0, v2 = 0, pre_v1 = 0, pre_v2 = 0; @@ -181,7 +181,7 @@ void odm_read_and_config_mp_8822b_mac_reg(struct phy_dm_struct *dm) ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> %s\n", __func__); - for (; (i + 1) < array_len; i = i + 2) { + for (; (i + 1) < ARRAY_SIZE(array_mp_8822b_mac_reg); i = i + 2) { v1 = array[i]; v2 = array[i + 1]; diff --git a/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_rf.c b/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_rf.c index 84cdc0644207..0ff3a9a712d6 100644 --- a/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_rf.c +++ b/drivers/staging/rtlwifi/phydm/rtl8822b/halhwimg8822b_rf.c @@ -26,6 +26,7 @@ /*Image2HeaderVersion: 3.2*/ #include "../mp_precomp.h" #include "../phydm_precomp.h" +#include <linux/kernel.h> static bool check_positive(struct phy_dm_struct *dm, const u32 condition1, const u32 condition2, const u32 condition3, @@ -1346,7 +1347,6 @@ void odm_read_and_config_mp_8822b_radioa(struct phy_dm_struct *dm) u32 i = 0; u8 c_cond; bool is_matched = true, is_skipped = false; - u32 array_len = sizeof(array_mp_8822b_radioa) / sizeof(u32); u32 *array = array_mp_8822b_radioa; u32 v1 = 0, v2 = 0, pre_v1 = 0, pre_v2 = 0; @@ -1354,7 +1354,7 @@ void odm_read_and_config_mp_8822b_radioa(struct phy_dm_struct *dm) ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> %s\n", __func__); - for (; (i + 1) < array_len; i = i + 2) { + for (; (i + 1) < ARRAY_SIZE(array_mp_8822b_radioa); i = i + 2) { v1 = array[i]; v2 = array[i + 1]; @@ -2506,7 +2506,6 @@ void odm_read_and_config_mp_8822b_radiob(struct phy_dm_struct *dm) u32 i = 0; u8 c_cond; bool is_matched = true, is_skipped = false; - u32 array_len = sizeof(array_mp_8822b_radiob) / sizeof(u32); u32 *array = array_mp_8822b_radiob; u32 v1 = 0, v2 = 0, pre_v1 = 0, pre_v2 = 0; @@ -2514,7 +2513,7 @@ void odm_read_and_config_mp_8822b_radiob(struct phy_dm_struct *dm) ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> %s\n", __func__); - for (; (i + 1) < array_len; i = i + 2) { + for (; (i + 1) < ARRAY_SIZE(array_mp_8822b_radiob); i = i + 2) { v1 = array[i]; v2 = array[i + 1]; @@ -4239,13 +4238,12 @@ static const char *const array_mp_8822b_txpwr_lmt[] = { void odm_read_and_config_mp_8822b_txpwr_lmt(struct phy_dm_struct *dm) { u32 i = 0; - u32 array_len = sizeof(array_mp_8822b_txpwr_lmt) / sizeof(u8 *); u8 **array = (u8 **)array_mp_8822b_txpwr_lmt; ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> %s\n", __func__); - for (i = 0; i < array_len; i += 7) { + for (i = 0; i < ARRAY_SIZE(array_mp_8822b_txpwr_lmt); i += 7) { u8 *regulation = array[i]; u8 *band = array[i + 1]; u8 *bandwidth = array[i + 2]; @@ -4723,13 +4721,12 @@ static const char *const array_mp_8822b_txpwr_lmt_type5[] = { void odm_read_and_config_mp_8822b_txpwr_lmt_type5(struct phy_dm_struct *dm) { u32 i = 0; - u32 array_len = sizeof(array_mp_8822b_txpwr_lmt_type5) / sizeof(u8 *); u8 **array = (u8 **)array_mp_8822b_txpwr_lmt_type5; ODM_RT_TRACE(dm, ODM_COMP_INIT, "===> odm_read_and_config_mp_8822b_txpwr_lmt_type5\n"); - for (i = 0; i < array_len; i += 7) { + for (i = 0; i < ARRAY_SIZE(array_mp_8822b_txpwr_lmt_type5); i += 7) { u8 *regulation = array[i]; u8 *band = array[i + 1]; u8 *bandwidth = array[i + 2]; diff --git a/drivers/staging/rtlwifi/ps.c b/drivers/staging/rtlwifi/ps.c index 9172cee45f74..7856fc5d10bd 100644 --- a/drivers/staging/rtlwifi/ps.c +++ b/drivers/staging/rtlwifi/ps.c @@ -61,7 +61,7 @@ bool rtl_ps_enable_nic(struct ieee80211_hw *hw) rtlpriv->cfg->ops->enable_interrupt(hw); /*<enable timer> */ - rtl_watch_dog_timer_callback((unsigned long)hw); + rtl_watch_dog_timer_callback(&rtlpriv->works.watchdog_timer); return true; } diff --git a/drivers/staging/rtlwifi/rc.c b/drivers/staging/rtlwifi/rc.c index 65de0c7b5a67..c835be91f398 100644 --- a/drivers/staging/rtlwifi/rc.c +++ b/drivers/staging/rtlwifi/rc.c @@ -125,8 +125,8 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, } rate->count = tries; rate->idx = rix >= 0x00 ? rix : 0x00; - if (((rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE) || - (rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8822BE)) && + if ((rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8812AE || + rtlpriv->rtlhal.hw_type == HARDWARE_TYPE_RTL8822BE) && wireless_mode == WIRELESS_MODE_AC_5G) rate->idx |= 0x10;/*2NSS for 8812AE, 8822BE*/ @@ -138,7 +138,7 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, if (sta && (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)) rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; - if (sta && (sta->vht_cap.vht_supported)) + if (sta && sta->vht_cap.vht_supported) rate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; } else { if (mac->bw_80) @@ -150,8 +150,8 @@ static void _rtl_rc_rate_set_series(struct rtl_priv *rtlpriv, if (sgi_20 || sgi_40 || sgi_80) rate->flags |= IEEE80211_TX_RC_SHORT_GI; if (sta && sta->ht_cap.ht_supported && - ((wireless_mode == WIRELESS_MODE_N_5G) || - (wireless_mode == WIRELESS_MODE_N_24G))) + (wireless_mode == WIRELESS_MODE_N_5G || + wireless_mode == WIRELESS_MODE_N_24G)) rate->flags |= IEEE80211_TX_RC_MCS; if (sta && sta->vht_cap.vht_supported && (wireless_mode == WIRELESS_MODE_AC_5G || @@ -232,7 +232,7 @@ static void rtl_tx_status(void *ppriv, if (sta) { /* Check if aggregation has to be enabled for this tid */ sta_entry = (struct rtl_sta_info *)sta->drv_priv; - if ((sta->ht_cap.ht_supported) && + if (sta->ht_cap.ht_supported && !(skb->protocol == cpu_to_be16(ETH_P_PAE))) { if (ieee80211_is_data_qos(fc)) { u8 tid = rtl_get_tid(skb); @@ -281,10 +281,8 @@ static void *rtl_rate_alloc_sta(void *ppriv, struct rtl_rate_priv *rate_priv; rate_priv = kzalloc(sizeof(*rate_priv), gfp); - if (!rate_priv) { - pr_err("Unable to allocate private rc structure\n"); + if (!rate_priv) return NULL; - } rtlpriv->rate_priv = rate_priv; diff --git a/drivers/staging/rtlwifi/rtl8822be/fw.c b/drivers/staging/rtlwifi/rtl8822be/fw.c index 8e24da16752c..f45487122517 100644 --- a/drivers/staging/rtlwifi/rtl8822be/fw.c +++ b/drivers/staging/rtlwifi/rtl8822be/fw.c @@ -330,7 +330,7 @@ void rtl8822be_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 mode) byte5 = btc_ops->btc_get_lps_val(rtlpriv); power_state = btc_ops->btc_get_rpwm_val(rtlpriv); - if ((rlbm == 2) && (byte5 & BIT(4))) { + if (rlbm == 2 && (byte5 & BIT(4))) { /* Keep awake interval to 1 to prevent from * decreasing coex performance */ @@ -419,7 +419,7 @@ static bool _rtl8822be_send_bcn_or_cmd_packet(struct ieee80211_hw *hw, dma_addr = rtlpriv->cfg->ops->get_desc( hw, (u8 *)pbd_desc, true, HW_DESC_TXBUFF_ADDR); - pci_unmap_single(rtlpci->pdev, dma_addr, skb->len, + pci_unmap_single(rtlpci->pdev, dma_addr, pskb->len, PCI_DMA_TODEVICE); kfree_skb(pskb); @@ -766,9 +766,10 @@ void rtl8822be_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool b_dl_finished) rtl8822be_fill_h2c_cmd(hw, H2C_8822B_RSVDPAGE, sizeof(u1_rsvd_page_loc), u1_rsvd_page_loc); - } else + } else { RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING, "Set RSVD page location to Fw FAIL!!!!!!.\n"); + } } /* Should check FW support p2p or not. */ @@ -834,7 +835,7 @@ void rtl8822be_set_p2p_ps_offload_cmd(struct ieee80211_hw *hw, u8 p2p_ps_state) rtl_write_dword(rtlpriv, 0x5EC, p2pinfo->noa_count_type[i]); } - if ((p2pinfo->opp_ps == 1) || (p2pinfo->noa_num > 0)) { + if (p2pinfo->opp_ps == 1 || p2pinfo->noa_num > 0) { /* rst p2p circuit */ rtl_write_byte(rtlpriv, REG_DUAL_TSF_RST_8822B, BIT(4)); p2p_ps_offload->offload_en = 1; diff --git a/drivers/staging/rtlwifi/rtl8822be/led.c b/drivers/staging/rtlwifi/rtl8822be/led.c index f4b5af8ab116..0054c892dce6 100644 --- a/drivers/staging/rtlwifi/rtl8822be/led.c +++ b/drivers/staging/rtlwifi/rtl8822be/led.c @@ -114,7 +114,7 @@ void rtl8822be_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction) struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); - if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && + if (ppsc->rfoff_reason > RF_CHANGE_BY_PS && (ledaction == LED_CTL_TX || ledaction == LED_CTL_RX || ledaction == LED_CTL_SITE_SURVEY || ledaction == LED_CTL_LINK || ledaction == LED_CTL_NO_LINK || diff --git a/drivers/staging/rtlwifi/rtl8822be/phy.c b/drivers/staging/rtlwifi/rtl8822be/phy.c index 4cba2adc3165..ef37ae98c803 100644 --- a/drivers/staging/rtlwifi/rtl8822be/phy.c +++ b/drivers/staging/rtlwifi/rtl8822be/phy.c @@ -890,7 +890,7 @@ bool rtl8822be_load_txpower_by_rate(struct ieee80211_hw *hw) rtstatus = rtlpriv->phydm.ops->phydm_load_txpower_by_rate(rtlpriv); if (!rtstatus) { - pr_err("BB_PG Reg Fail!!"); + pr_err("BB_PG Reg Fail!!\n"); return false; } @@ -915,7 +915,7 @@ bool rtl8822be_load_txpower_limit(struct ieee80211_hw *hw) rtstatus = rtlpriv->phydm.ops->phydm_load_txpower_limit(rtlpriv); if (!rtstatus) { - pr_err("RF TxPwr Limit Fail!!"); + pr_err("RF TxPwr Limit Fail!!\n"); return false; } @@ -1562,9 +1562,10 @@ static char _rtl8822be_phy_get_txpower_limit(struct ieee80211_hw *hw, u8 band, [channel_index] [rate_section] [channel_index][rf_path]; - } else + } else { RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, "No power limit table of the specified band\n"); + } return power_limit; } @@ -1609,9 +1610,9 @@ u8 rtl8822be_get_txpower_index(struct ieee80211_hw *hw, u8 path, u8 rate, char limit; char powerdiff_byrate = 0; - if (((rtlhal->current_bandtype == BAND_ON_2_4G) && + if ((rtlhal->current_bandtype == BAND_ON_2_4G && (channel > 14 || channel < 1)) || - ((rtlhal->current_bandtype == BAND_ON_5G) && (channel <= 14))) { + (rtlhal->current_bandtype == BAND_ON_5G && channel <= 14)) { index = 0; RT_TRACE(rtlpriv, COMP_POWER_TRACKING, DBG_LOUD, "Illegal channel!!\n"); @@ -1755,9 +1756,9 @@ static void _rtl8822be_phy_set_txpower_index(struct ieee80211_hw *hw, static u32 index; /* - * For 8822B, phydm api use 4 bytes txagc value - * driver must combine every four 1 byte to one 4 byte and send to phydm - */ + * For 8822B, phydm api use 4 bytes txagc value driver must + * combine every four 1 byte to one 4 byte and send to phydm + */ shift = rate & 0x03; index |= ((u32)power_index << (shift * 8)); @@ -1912,8 +1913,8 @@ static u8 _rtl8822be_phy_get_pri_ch_id(struct rtl_priv *rtlpriv) if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_80) { /* primary channel is at lower subband of 80MHz & 40MHz */ - if ((mac->cur_40_prime_sc == HAL_PRIME_CHNL_OFFSET_LOWER) && - (mac->cur_80_prime_sc == HAL_PRIME_CHNL_OFFSET_LOWER)) { + if (mac->cur_40_prime_sc == HAL_PRIME_CHNL_OFFSET_LOWER && + mac->cur_80_prime_sc == HAL_PRIME_CHNL_OFFSET_LOWER) { pri_ch_idx = VHT_DATA_SC_20_LOWEST_OF_80MHZ; /* primary channel is at * lower subband of 80MHz & upper subband of 40MHz @@ -2141,7 +2142,7 @@ static bool _rtl8822be_phy_set_rf_power_state(struct ieee80211_hw *hw, switch (rfpwr_state) { case ERFON: - if ((ppsc->rfpwr_state == ERFOFF) && + if (ppsc->rfpwr_state == ERFOFF && RT_IN_PS_LEVEL(ppsc, RT_RF_OFF_LEVL_HALT_NIC)) { bool rtstatus = false; u32 initialize_count = 0; diff --git a/drivers/staging/rtlwifi/rtl8822be/trx.c b/drivers/staging/rtlwifi/rtl8822be/trx.c index 38f80e48a399..87e15e419252 100644 --- a/drivers/staging/rtlwifi/rtl8822be/trx.c +++ b/drivers/staging/rtlwifi/rtl8822be/trx.c @@ -165,7 +165,7 @@ static bool rtl8822be_get_rxdesc_is_ht(struct ieee80211_hw *hw, u8 *pdesc) RT_TRACE(rtlpriv, COMP_RXDESC, DBG_LOUD, "rx_rate=0x%02x.\n", rx_rate); - if ((rx_rate >= DESC_RATEMCS0) && (rx_rate <= DESC_RATEMCS15)) + if (rx_rate >= DESC_RATEMCS0 && rx_rate <= DESC_RATEMCS15) return true; else return false; @@ -193,8 +193,8 @@ static u8 rtl8822be_get_rx_vht_nss(struct ieee80211_hw *hw, u8 *pdesc) rx_rate = GET_RX_DESC_RX_RATE(pdesc); - if ((rx_rate >= DESC_RATEVHT1SS_MCS0) && - (rx_rate <= DESC_RATEVHT1SS_MCS9)) + if (rx_rate >= DESC_RATEVHT1SS_MCS0 && + rx_rate <= DESC_RATEVHT1SS_MCS9) vht_nss = 1; else if ((rx_rate >= DESC_RATEVHT2SS_MCS0) && (rx_rate <= DESC_RATEVHT2SS_MCS9)) @@ -510,8 +510,8 @@ static u8 rtl8822be_bw_mapping(struct ieee80211_hw *hw, else bw_setting_of_desc = 0; } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { - if ((ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) || - (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80)) + if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40 || + ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_80) bw_setting_of_desc = 1; else bw_setting_of_desc = 0; @@ -546,10 +546,10 @@ static u8 rtl8822be_sc_mapping(struct ieee80211_hw *hw, "%s: Not Correct Primary40MHz Setting\n", __func__); } else { - if ((mac->cur_40_prime_sc == - HAL_PRIME_CHNL_OFFSET_LOWER) && - (mac->cur_80_prime_sc == - HAL_PRIME_CHNL_OFFSET_LOWER)) + if (mac->cur_40_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER && + mac->cur_80_prime_sc == + HAL_PRIME_CHNL_OFFSET_LOWER) sc_setting_of_desc = VHT_DATA_SC_20_LOWEST_OF_80MHZ; else if ((mac->cur_40_prime_sc == @@ -571,9 +571,9 @@ static u8 rtl8822be_sc_mapping(struct ieee80211_hw *hw, sc_setting_of_desc = VHT_DATA_SC_20_UPPERST_OF_80MHZ; else - RT_TRACE( - rtlpriv, COMP_SEND, DBG_LOUD, - "rtl8822be_sc_mapping: Not Correct Primary40MHz Setting\n"); + RT_TRACE(rtlpriv, COMP_SEND, DBG_LOUD, + "%s: Not Correct Primary40MHz Setting\n", + __func__); } } else if (rtlphy->current_chan_bw == HT_CHANNEL_WIDTH_20_40) { if (ptcb_desc->packet_bw == HT_CHANNEL_WIDTH_20_40) { diff --git a/drivers/staging/rts5208/sd.c b/drivers/staging/rts5208/sd.c index 4033a2cf7ac9..d548bc695f9e 100644 --- a/drivers/staging/rts5208/sd.c +++ b/drivers/staging/rts5208/sd.c @@ -4125,12 +4125,6 @@ RTY_SEND_CMD: rtsx_trace(chip); return STATUS_FAIL; } - - } else if (rsp_type == SD_RSP_TYPE_R0) { - if ((ptr[3] & 0x1E) != 0x03) { - rtsx_trace(chip); - return STATUS_FAIL; - } } } } diff --git a/drivers/staging/rts5208/trace.c b/drivers/staging/rts5208/trace.c index 1bddbdf3454b..c878e75293f7 100644 --- a/drivers/staging/rts5208/trace.c +++ b/drivers/staging/rts5208/trace.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/string.h> diff --git a/drivers/staging/skein/Makefile b/drivers/staging/skein/Makefile index b7f947fb98f0..86b7966d694e 100644 --- a/drivers/staging/skein/Makefile +++ b/drivers/staging/skein/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the skein secure hash algorithm # diff --git a/drivers/staging/skein/skein_iv.h b/drivers/staging/skein/skein_iv.h index 509d464c65a3..916f029da726 100644 --- a/drivers/staging/skein/skein_iv.h +++ b/drivers/staging/skein/skein_iv.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SKEIN_IV_H_ #define _SKEIN_IV_H_ diff --git a/drivers/staging/skein/threefish_api.c b/drivers/staging/skein/threefish_api.c index 2b649abb78c7..e69cefa6b16a 100644 --- a/drivers/staging/skein/threefish_api.c +++ b/drivers/staging/skein/threefish_api.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/string.h> #include "threefish_api.h" diff --git a/drivers/staging/skein/threefish_api.h b/drivers/staging/skein/threefish_api.h index 615e467579ee..21539c3cc7a0 100644 --- a/drivers/staging/skein/threefish_api.h +++ b/drivers/staging/skein/threefish_api.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef THREEFISHAPI_H #define THREEFISHAPI_H diff --git a/drivers/staging/skein/threefish_block.c b/drivers/staging/skein/threefish_block.c index 50640656c10d..87f055890544 100644 --- a/drivers/staging/skein/threefish_block.c +++ b/drivers/staging/skein/threefish_block.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bitops.h> #include "threefish_api.h" diff --git a/drivers/staging/sm750fb/ddk750_chip.c b/drivers/staging/sm750fb/ddk750_chip.c index 4754f7a20684..313b99104398 100644 --- a/drivers/staging/sm750fb/ddk750_chip.c +++ b/drivers/staging/sm750fb/ddk750_chip.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/sizes.h> diff --git a/drivers/staging/sm750fb/ddk750_chip.h b/drivers/staging/sm750fb/ddk750_chip.h index 2c7a9b9a7c8a..aee82fcaf669 100644 --- a/drivers/staging/sm750fb/ddk750_chip.h +++ b/drivers/staging/sm750fb/ddk750_chip.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_CHIP_H__ #define DDK750_CHIP_H__ #define DEFAULT_INPUT_CLOCK 14318181 /* Default reference clock */ @@ -17,7 +18,7 @@ static inline u32 peek32(u32 addr) return readl(addr + mmio750); } -static inline void poke32(u32 data, u32 addr) +static inline void poke32(u32 addr, u32 data) { writel(data, addr + mmio750); } diff --git a/drivers/staging/sm750fb/ddk750_display.c b/drivers/staging/sm750fb/ddk750_display.c index 9b116ed6ecc7..c6fd90191530 100644 --- a/drivers/staging/sm750fb/ddk750_display.c +++ b/drivers/staging/sm750fb/ddk750_display.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "ddk750_reg.h" #include "ddk750_chip.h" #include "ddk750_display.h" diff --git a/drivers/staging/sm750fb/ddk750_display.h b/drivers/staging/sm750fb/ddk750_display.h index 609bf742efff..523bbf33521c 100644 --- a/drivers/staging/sm750fb/ddk750_display.h +++ b/drivers/staging/sm750fb/ddk750_display.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_DISPLAY_H__ #define DDK750_DISPLAY_H__ diff --git a/drivers/staging/sm750fb/ddk750_dvi.c b/drivers/staging/sm750fb/ddk750_dvi.c index 87a199d6cdaf..b20d16198c17 100644 --- a/drivers/staging/sm750fb/ddk750_dvi.c +++ b/drivers/staging/sm750fb/ddk750_dvi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define USE_DVICHIP #ifdef USE_DVICHIP #include "ddk750_chip.h" @@ -10,7 +11,7 @@ * function API. Please set the function pointer to NULL whenever the function * is not supported. */ -static dvi_ctrl_device_t g_dcftSupportedDviController[] = { +static struct dvi_ctrl_device g_dcftSupportedDviController[] = { #ifdef DVI_CTRL_SII164 { .pfnInit = sii164InitChip, @@ -40,7 +41,7 @@ int dviInit(unsigned char edgeSelect, unsigned char pllFilterEnable, unsigned char pllFilterValue) { - dvi_ctrl_device_t *pCurrentDviCtrl; + struct dvi_ctrl_device *pCurrentDviCtrl; pCurrentDviCtrl = g_dcftSupportedDviController; if (pCurrentDviCtrl->pfnInit) { diff --git a/drivers/staging/sm750fb/ddk750_dvi.h b/drivers/staging/sm750fb/ddk750_dvi.h index 4a8394561f76..1c7a565b617a 100644 --- a/drivers/staging/sm750fb/ddk750_dvi.h +++ b/drivers/staging/sm750fb/ddk750_dvi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_DVI_H__ #define DDK750_DVI_H__ @@ -25,7 +26,7 @@ typedef unsigned char (*PFN_DVICTRL_CHECKINTERRUPT)(void); typedef void (*PFN_DVICTRL_CLEARINTERRUPT)(void); /* Structure to hold all the function pointer to the DVI Controller. */ -typedef struct _dvi_ctrl_device_t { +struct dvi_ctrl_device { PFN_DVICTRL_INIT pfnInit; PFN_DVICTRL_RESETCHIP pfnResetChip; PFN_DVICTRL_GETCHIPSTRING pfnGetChipString; @@ -36,7 +37,7 @@ typedef struct _dvi_ctrl_device_t { PFN_DVICTRL_ISCONNECTED pfnIsConnected; PFN_DVICTRL_CHECKINTERRUPT pfnCheckInterrupt; PFN_DVICTRL_CLEARINTERRUPT pfnClearInterrupt; -} dvi_ctrl_device_t; +}; #define DVI_CTRL_SII164 diff --git a/drivers/staging/sm750fb/ddk750_hwi2c.c b/drivers/staging/sm750fb/ddk750_hwi2c.c index ec556a978a98..8482689b665b 100644 --- a/drivers/staging/sm750fb/ddk750_hwi2c.c +++ b/drivers/staging/sm750fb/ddk750_hwi2c.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define USE_HW_I2C #ifdef USE_HW_I2C #include "ddk750_chip.h" diff --git a/drivers/staging/sm750fb/ddk750_hwi2c.h b/drivers/staging/sm750fb/ddk750_hwi2c.h index 46e22dce2570..337c6493ca61 100644 --- a/drivers/staging/sm750fb/ddk750_hwi2c.h +++ b/drivers/staging/sm750fb/ddk750_hwi2c.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_HWI2C_H__ #define DDK750_HWI2C_H__ diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c index bb673e18999b..2cdd87b78e58 100644 --- a/drivers/staging/sm750fb/ddk750_mode.c +++ b/drivers/staging/sm750fb/ddk750_mode.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "ddk750_reg.h" #include "ddk750_mode.h" diff --git a/drivers/staging/sm750fb/ddk750_mode.h b/drivers/staging/sm750fb/ddk750_mode.h index d5eae36d85cb..259a9d6a4eb2 100644 --- a/drivers/staging/sm750fb/ddk750_mode.h +++ b/drivers/staging/sm750fb/ddk750_mode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_MODE_H__ #define DDK750_MODE_H__ diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c index 222ae1a06feb..12834f78eef7 100644 --- a/drivers/staging/sm750fb/ddk750_power.c +++ b/drivers/staging/sm750fb/ddk750_power.c @@ -1,8 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 #include "ddk750_chip.h" #include "ddk750_reg.h" #include "ddk750_power.h" -void ddk750_set_dpms(DPMS_t state) +void ddk750_set_dpms(enum dpms state) { unsigned int value; diff --git a/drivers/staging/sm750fb/ddk750_power.h b/drivers/staging/sm750fb/ddk750_power.h index 44c4fc587e96..e48c74ecbbd1 100644 --- a/drivers/staging/sm750fb/ddk750_power.h +++ b/drivers/staging/sm750fb/ddk750_power.h @@ -1,20 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_POWER_H__ #define DDK750_POWER_H__ -typedef enum _DPMS_t { +enum dpms { crtDPMS_ON = 0x0, crtDPMS_STANDBY = 0x1, crtDPMS_SUSPEND = 0x2, crtDPMS_OFF = 0x3, -} -DPMS_t; +}; #define setDAC(off) { \ poke32(MISC_CTRL, \ (peek32(MISC_CTRL) & ~MISC_CTRL_DAC_POWER_OFF) | (off)); \ } -void ddk750_set_dpms(DPMS_t state); +void ddk750_set_dpms(enum dpms state); void sm750_set_power_mode(unsigned int powerMode); void sm750_set_current_gate(unsigned int gate); diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h index f9b989b7a152..fe412ead72e5 100644 --- a/drivers/staging/sm750fb/ddk750_reg.h +++ b/drivers/staging/sm750fb/ddk750_reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_REG_H__ #define DDK750_REG_H__ diff --git a/drivers/staging/sm750fb/ddk750_sii164.c b/drivers/staging/sm750fb/ddk750_sii164.c index 0431833de781..c787a74c4f9c 100644 --- a/drivers/staging/sm750fb/ddk750_sii164.c +++ b/drivers/staging/sm750fb/ddk750_sii164.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define USE_DVICHIP #ifdef USE_DVICHIP @@ -296,7 +297,8 @@ void sii164SetPower(unsigned char powerUp) * sii164SelectHotPlugDetectionMode * This function selects the mode of the hot plug detection. */ -static void sii164SelectHotPlugDetectionMode(sii164_hot_plug_mode_t hotPlugMode) +static +void sii164SelectHotPlugDetectionMode(enum sii164_hot_plug_mode hotPlugMode) { unsigned char detectReg; diff --git a/drivers/staging/sm750fb/ddk750_sii164.h b/drivers/staging/sm750fb/ddk750_sii164.h index 6968cf532f16..2e9a88cd6af3 100644 --- a/drivers/staging/sm750fb/ddk750_sii164.h +++ b/drivers/staging/sm750fb/ddk750_sii164.h @@ -1,15 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef DDK750_SII164_H__ #define DDK750_SII164_H__ #define USE_DVICHIP /* Hot Plug detection mode structure */ -typedef enum _sii164_hot_plug_mode_t { +enum sii164_hot_plug_mode { SII164_HOTPLUG_DISABLE = 0, /* Disable Hot Plug output bit (always high). */ SII164_HOTPLUG_USE_MDI, /* Use Monitor Detect Interrupt bit. */ SII164_HOTPLUG_USE_RSEN, /* Use Receiver Sense detect bit. */ SII164_HOTPLUG_USE_HTPLG /* Use Hot Plug detect bit. */ -} sii164_hot_plug_mode_t; +}; /* Silicon Image SiI164 chip prototype */ diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h index 4386122799b2..ce90adcb449d 100644 --- a/drivers/staging/sm750fb/sm750.h +++ b/drivers/staging/sm750fb/sm750.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LYNXDRV_H_ #define LYNXDRV_H_ diff --git a/drivers/staging/sm750fb/sm750_accel.c b/drivers/staging/sm750fb/sm750_accel.c index 4b720cfa05de..1035e91e7cd3 100644 --- a/drivers/staging/sm750fb/sm750_accel.c +++ b/drivers/staging/sm750fb/sm750_accel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> diff --git a/drivers/staging/sm750fb/sm750_accel.h b/drivers/staging/sm750fb/sm750_accel.h index 4b0ff8feb9a0..c4f42002a50f 100644 --- a/drivers/staging/sm750fb/sm750_accel.h +++ b/drivers/staging/sm750fb/sm750_accel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ACCEL_H__ #define ACCEL_H__ diff --git a/drivers/staging/sm750fb/sm750_cursor.c b/drivers/staging/sm750fb/sm750_cursor.c index aa47a16ac75c..bbbef27cb329 100644 --- a/drivers/staging/sm750fb/sm750_cursor.c +++ b/drivers/staging/sm750fb/sm750_cursor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> @@ -18,8 +19,6 @@ #include "sm750.h" #include "sm750_cursor.h" - - #define poke32(addr, data) \ writel((data), cursor->mmio + (addr)) @@ -45,7 +44,6 @@ writel((data), cursor->mmio + (addr)) #define HWC_COLOR_3 0xC #define HWC_COLOR_3_RGB565_MASK 0xffff - /* hw_cursor_xxx works for voyager,718 and 750 */ void sm750_hw_cursor_enable(struct lynx_cursor *cursor) { @@ -134,7 +132,6 @@ void sm750_hw_cursor_setData(struct lynx_cursor *cursor, u16 rop, } } - void sm750_hw_cursor_setData2(struct lynx_cursor *cursor, u16 rop, const u8 *pcol, const u8 *pmsk) { diff --git a/drivers/staging/sm750fb/sm750_cursor.h b/drivers/staging/sm750fb/sm750_cursor.h index c7b86ae235b4..16ac07eb58d6 100644 --- a/drivers/staging/sm750fb/sm750_cursor.h +++ b/drivers/staging/sm750fb/sm750_cursor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LYNX_CURSOR_H__ #define LYNX_CURSOR_H__ diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c index baf1bbdc92ff..ffd114a6d09b 100644 --- a/drivers/staging/sm750fb/sm750_hw.c +++ b/drivers/staging/sm750fb/sm750_hw.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> diff --git a/drivers/staging/speakup/Makefile b/drivers/staging/speakup/Makefile index c864ea69c40d..5befb4933b85 100644 --- a/drivers/staging/speakup/Makefile +++ b/drivers/staging/speakup/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_SPEAKUP_SYNTH_ACNTSA) += speakup_acntsa.o obj-$(CONFIG_SPEAKUP_SYNTH_ACNTPC) += speakup_acntpc.o obj-$(CONFIG_SPEAKUP_SYNTH_APOLLO) += speakup_apollo.o diff --git a/drivers/staging/speakup/buffers.c b/drivers/staging/speakup/buffers.c index f459e4004bfa..6137fa83c609 100644 --- a/drivers/staging/speakup/buffers.c +++ b/drivers/staging/speakup/buffers.c @@ -27,7 +27,7 @@ void speakup_start_ttys(void) for (i = 0; i < MAX_NR_CONSOLES; i++) { if (speakup_console[i] && speakup_console[i]->tty_stopped) continue; - if ((vc_cons[i].d) && (vc_cons[i].d->port.tty)) + if (vc_cons[i].d && vc_cons[i].d->port.tty) start_tty(vc_cons[i].d->port.tty); } } @@ -38,7 +38,7 @@ static void speakup_stop_ttys(void) int i; for (i = 0; i < MAX_NR_CONSOLES; i++) - if ((vc_cons[i].d && (vc_cons[i].d->port.tty))) + if (vc_cons[i].d && vc_cons[i].d->port.tty) stop_tty(vc_cons[i].d->port.tty); } diff --git a/drivers/staging/speakup/devsynth.c b/drivers/staging/speakup/devsynth.c index 58abd1d85105..d920256328c3 100644 --- a/drivers/staging/speakup/devsynth.c +++ b/drivers/staging/speakup/devsynth.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/errno.h> #include <linux/miscdevice.h> /* for misc_register, and SYNTH_MINOR */ #include <linux/types.h> diff --git a/drivers/staging/speakup/i18n.c b/drivers/staging/speakup/i18n.c index 7809867f5d28..cea8707653f5 100644 --- a/drivers/staging/speakup/i18n.c +++ b/drivers/staging/speakup/i18n.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* Internationalization implementation. Includes definitions of English * string arrays, and the i18n pointer. */ diff --git a/drivers/staging/speakup/i18n.h b/drivers/staging/speakup/i18n.h index 8fcce566653f..2ec6e659d02b 100644 --- a/drivers/staging/speakup/i18n.h +++ b/drivers/staging/speakup/i18n.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef I18N_H #define I18N_H /* Internationalization declarations */ diff --git a/drivers/staging/speakup/main.c b/drivers/staging/speakup/main.c index 56f7be6af1f6..16497202473f 100644 --- a/drivers/staging/speakup/main.c +++ b/drivers/staging/speakup/main.c @@ -447,7 +447,7 @@ static void speak_char(u16 ch) cp = spk_characters[ch]; if (!cp) { - pr_info("speak_char: cp == NULL!\n"); + pr_info("%s: cp == NULL!\n", __func__); return; } if (IS_CHAR(ch, B_CAP)) { @@ -1165,7 +1165,7 @@ static const int NUM_CTL_LABELS = (MSG_CTL_END - MSG_CTL_START + 1); static void read_all_doc(struct vc_data *vc); static void cursor_done(u_long data); -static DEFINE_TIMER(cursor_timer, cursor_done, 0, 0); +static DEFINE_TIMER(cursor_timer, cursor_done); static void do_handle_shift(struct vc_data *vc, u_char value, char up_flag) { @@ -2101,7 +2101,7 @@ speakup_key(struct vc_data *vc, int shift_state, int keycode, u_short keysym, u_char shift_info, offset; int ret = 0; - if (synth == NULL) + if (!synth) return 0; spin_lock_irqsave(&speakup_info.spinlock, flags); diff --git a/drivers/staging/speakup/selection.c b/drivers/staging/speakup/selection.c index 08f68fc2864e..66061b5c3427 100644 --- a/drivers/staging/speakup/selection.c +++ b/drivers/staging/speakup/selection.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> /* for kmalloc */ #include <linux/consolemap.h> #include <linux/interrupt.h> diff --git a/drivers/staging/speakup/serialio.h b/drivers/staging/speakup/serialio.h index 89de6fff9cb2..aa691e4a6916 100644 --- a/drivers/staging/speakup/serialio.h +++ b/drivers/staging/speakup/serialio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPEAKUP_SERIAL_H #define _SPEAKUP_SERIAL_H diff --git a/drivers/staging/speakup/speakup.h b/drivers/staging/speakup/speakup.h index a654334c98b9..3d8bda8b9620 100644 --- a/drivers/staging/speakup/speakup.h +++ b/drivers/staging/speakup/speakup.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SPEAKUP_H #define _SPEAKUP_H diff --git a/drivers/staging/speakup/speakup_acnt.h b/drivers/staging/speakup/speakup_acnt.h index 107ec1155f51..cffa938ae580 100644 --- a/drivers/staging/speakup/speakup_acnt.h +++ b/drivers/staging/speakup/speakup_acnt.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* speakup_acntpc.h - header file for speakups Accent-PC driver. */ #define SYNTH_IO_EXTENT 0x02 diff --git a/drivers/staging/speakup/speakup_acntsa.c b/drivers/staging/speakup/speakup_acntsa.c index 0e10404e2e8c..43315849b7b6 100644 --- a/drivers/staging/speakup/speakup_acntsa.c +++ b/drivers/staging/speakup/speakup_acntsa.c @@ -136,7 +136,7 @@ static int synth_probe(struct spk_synth *synth) } module_param_named(ser, synth_acntsa.ser, int, 0444); -module_param_named(dev, synth_acntsa.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_acntsa.dev_name, charp, 0444); module_param_named(start, synth_acntsa.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_apollo.c b/drivers/staging/speakup/speakup_apollo.c index 2edb56c8a559..dcf0c3b59fdd 100644 --- a/drivers/staging/speakup/speakup_apollo.c +++ b/drivers/staging/speakup/speakup_apollo.c @@ -200,7 +200,7 @@ static void do_catch_up(struct spk_synth *synth) } module_param_named(ser, synth_apollo.ser, int, 0444); -module_param_named(dev, synth_apollo.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_apollo.dev_name, charp, 0444); module_param_named(start, synth_apollo.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_audptr.c b/drivers/staging/speakup/speakup_audptr.c index 8ae826eba71c..45b5721441ba 100644 --- a/drivers/staging/speakup/speakup_audptr.c +++ b/drivers/staging/speakup/speakup_audptr.c @@ -163,7 +163,7 @@ static int synth_probe(struct spk_synth *synth) } module_param_named(ser, synth_audptr.ser, int, 0444); -module_param_named(dev, synth_audptr.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_audptr.dev_name, charp, 0444); module_param_named(start, synth_audptr.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_bns.c b/drivers/staging/speakup/speakup_bns.c index 60bcf0df8123..402b0fbfb94d 100644 --- a/drivers/staging/speakup/speakup_bns.c +++ b/drivers/staging/speakup/speakup_bns.c @@ -120,7 +120,7 @@ static struct spk_synth synth_bns = { }; module_param_named(ser, synth_bns.ser, int, 0444); -module_param_named(dev, synth_bns.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_bns.dev_name, charp, 0444); module_param_named(start, synth_bns.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_decext.c b/drivers/staging/speakup/speakup_decext.c index 95f4b2116d0c..4310c2c276c4 100644 --- a/drivers/staging/speakup/speakup_decext.c +++ b/drivers/staging/speakup/speakup_decext.c @@ -227,7 +227,7 @@ static void synth_flush(struct spk_synth *synth) } module_param_named(ser, synth_decext.ser, int, 0444); -module_param_named(dev, synth_decext.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_decext.dev_name, charp, 0444); module_param_named(start, synth_decext.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_dectlk.c b/drivers/staging/speakup/speakup_dectlk.c index f06995480022..5d6a861c9b1e 100644 --- a/drivers/staging/speakup/speakup_dectlk.c +++ b/drivers/staging/speakup/speakup_dectlk.c @@ -299,7 +299,7 @@ static void synth_flush(struct spk_synth *synth) } module_param_named(ser, synth_dectlk.ser, int, 0444); -module_param_named(dev, synth_dectlk.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_dectlk.dev_name, charp, 0444); module_param_named(start, synth_dectlk.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_dtlk.h b/drivers/staging/speakup/speakup_dtlk.h index 51ac0f2fcded..9c378b58066e 100644 --- a/drivers/staging/speakup/speakup_dtlk.h +++ b/drivers/staging/speakup/speakup_dtlk.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* speakup_dtlk.h - header file for speakups DoubleTalk driver. */ #define SYNTH_IO_EXTENT 0x02 diff --git a/drivers/staging/speakup/speakup_dummy.c b/drivers/staging/speakup/speakup_dummy.c index 851953d5eefb..ea3b2911cab9 100644 --- a/drivers/staging/speakup/speakup_dummy.c +++ b/drivers/staging/speakup/speakup_dummy.c @@ -122,7 +122,7 @@ static struct spk_synth synth_dummy = { }; module_param_named(ser, synth_dummy.ser, int, 0444); -module_param_named(dev, synth_dummy.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_dummy.dev_name, charp, 0444); module_param_named(start, synth_dummy.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_ltlk.c b/drivers/staging/speakup/speakup_ltlk.c index 423795f88f53..95efaab73813 100644 --- a/drivers/staging/speakup/speakup_ltlk.c +++ b/drivers/staging/speakup/speakup_ltlk.c @@ -167,7 +167,7 @@ static int synth_probe(struct spk_synth *synth) } module_param_named(ser, synth_ltlk.ser, int, 0444); -module_param_named(dev, synth_ltlk.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_ltlk.dev_name, charp, 0444); module_param_named(start, synth_ltlk.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_spkout.c b/drivers/staging/speakup/speakup_spkout.c index 9ca21edc42ce..1037aa0d085a 100644 --- a/drivers/staging/speakup/speakup_spkout.c +++ b/drivers/staging/speakup/speakup_spkout.c @@ -131,7 +131,7 @@ static void synth_flush(struct spk_synth *synth) } module_param_named(ser, synth_spkout.ser, int, 0444); -module_param_named(dev, synth_spkout.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_spkout.dev_name, charp, 0444); module_param_named(start, synth_spkout.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakup_txprt.c b/drivers/staging/speakup/speakup_txprt.c index 831ee404e7a1..e160034e4a68 100644 --- a/drivers/staging/speakup/speakup_txprt.c +++ b/drivers/staging/speakup/speakup_txprt.c @@ -119,7 +119,7 @@ static struct spk_synth synth_txprt = { }; module_param_named(ser, synth_txprt.ser, int, 0444); -module_param_named(dev, synth_txprt.dev_name, charp, S_IRUGO); +module_param_named(dev, synth_txprt.dev_name, charp, 0444); module_param_named(start, synth_txprt.startup, short, 0444); MODULE_PARM_DESC(ser, "Set the serial port for the synthesizer (0-based)."); diff --git a/drivers/staging/speakup/speakupmap.h b/drivers/staging/speakup/speakupmap.h index f1c0dd3b2c3a..c60d7339b89a 100644 --- a/drivers/staging/speakup/speakupmap.h +++ b/drivers/staging/speakup/speakupmap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ 119, 62, 6, 0, 16, 20, 17, 32, 48, 0, 2, 0, 78, 0, 0, 0, 0, diff --git a/drivers/staging/speakup/spk_ttyio.c b/drivers/staging/speakup/spk_ttyio.c index 4d7d8f2f66ea..513cebbd161c 100644 --- a/drivers/staging/speakup/spk_ttyio.c +++ b/drivers/staging/speakup/spk_ttyio.c @@ -51,10 +51,8 @@ static int spk_ttyio_ldisc_open(struct tty_struct *tty) speakup_tty = tty; ldisc_data = kmalloc(sizeof(struct spk_ldisc_data), GFP_KERNEL); - if (!ldisc_data) { - pr_err("speakup: Failed to allocate ldisc_data.\n"); + if (!ldisc_data) return -ENOMEM; - } sema_init(&ldisc_data->sem, 0); ldisc_data->buf_free = true; @@ -90,7 +88,8 @@ static int spk_ttyio_receive_buf2(struct tty_struct *tty, return 0; /* Make sure the consumer has read buf before we have seen - * buf_free == true and overwrite buf */ + * buf_free == true and overwrite buf + */ mb(); ldisc_data->buf = cp[0]; @@ -276,7 +275,8 @@ static unsigned char ttyio_in(int timeout) rv = ldisc_data->buf; /* Make sure we have read buf before we set buf_free to let - * the producer overwrite it */ + * the producer overwrite it + */ mb(); ldisc_data->buf_free = true; /* Let TTY push more characters */ diff --git a/drivers/staging/speakup/spk_types.h b/drivers/staging/speakup/spk_types.h index 22f657d45e46..c50de6035a9a 100644 --- a/drivers/staging/speakup/spk_types.h +++ b/drivers/staging/speakup/spk_types.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SPEAKUP_TYPES_H #define SPEAKUP_TYPES_H diff --git a/drivers/staging/speakup/synth.c b/drivers/staging/speakup/synth.c index a1ca68c76579..6ddd3fc3f08d 100644 --- a/drivers/staging/speakup/synth.c +++ b/drivers/staging/speakup/synth.c @@ -158,7 +158,7 @@ static void thread_wake_up(u_long data) wake_up_interruptible_all(&speakup_event); } -static DEFINE_TIMER(thread_timer, thread_wake_up, 0, 0); +static DEFINE_TIMER(thread_timer, thread_wake_up); void synth_start(void) { diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c index 4636804ea1a4..b6abaf79ef0b 100644 --- a/drivers/staging/typec/tcpci.c +++ b/drivers/staging/typec/tcpci.c @@ -139,6 +139,7 @@ static enum typec_cc_status tcpci_to_typec_cc(unsigned int cc, bool sink) case 0x3: if (sink) return TYPEC_CC_RP_3_0; + /* fall through */ case 0x0: default: return TYPEC_CC_OPEN; diff --git a/drivers/staging/unisys/MAINTAINERS b/drivers/staging/unisys/MAINTAINERS index 1f0425bf3583..aaddc619c329 100644 --- a/drivers/staging/unisys/MAINTAINERS +++ b/drivers/staging/unisys/MAINTAINERS @@ -1,5 +1,5 @@ Unisys s-Par drivers M: David Kershner <sparmaintainer@unisys.com> S: Maintained -F: Documentation/s-Par/overview.txt +F: drivers/staging/unisys/Documentation/overview.txt F: drivers/staging/unisys/ diff --git a/drivers/staging/unisys/include/iochannel.h b/drivers/staging/unisys/include/iochannel.h index a70760f48566..5cd407ca2251 100644 --- a/drivers/staging/unisys/include/iochannel.h +++ b/drivers/staging/unisys/include/iochannel.h @@ -44,7 +44,7 @@ #include <linux/uuid.h> #include <linux/skbuff.h> -#include "channel.h" +#include "visorchannel.h" /* * Must increment these whenever you insert or delete fields within this channel @@ -348,10 +348,9 @@ struct sense_data { * the start of the NETWORK LAYER HEADER. * * NOTE: - * The full packet is described in frags but the ethernet header is - * separately kept in ethhdr so that uisnic doesn't have "MAP" the - * guest memory to get to the header. uisnic needs ethhdr to - * determine how to route the packet. + * The full packet is described in frags but the ethernet header is separately + * kept in ethhdr so that uisnic doesn't have "MAP" the guest memory to get to + * the header. uisnic needs ethhdr to determine how to route the packet. */ struct net_pkt_xmt { int len; diff --git a/drivers/staging/unisys/include/visorbus.h b/drivers/staging/unisys/include/visorbus.h index e4ee38c3dbe4..1a0986ba3d24 100644 --- a/drivers/staging/unisys/include/visorbus.h +++ b/drivers/staging/unisys/include/visorbus.h @@ -28,87 +28,20 @@ #define __VISORBUS_H__ #include <linux/device.h> -#include <linux/module.h> -#include <linux/slab.h> -#include "channel.h" - -struct visor_device; -extern struct bus_type visorbus_type; - -typedef void (*visorbus_state_complete_func) (struct visor_device *dev, - int status); +#include "visorchannel.h" struct visorchipset_state { u32 created:1; u32 attached:1; u32 configured:1; u32 running:1; - /* Add new fields above. */ - /* Remaining bits in this 32-bit word are unused. */ -}; - -/* - * This struct describes a specific Supervisor channel, by providing its - * GUID, name, and sizes. - */ -struct visor_channeltype_descriptor { - const guid_t guid; - const char *name; + /* Remaining bits in this 32-bit word are reserved. */ }; /** - * struct visor_driver - Information provided by each visor driver when it - * registers with the visorbus driver. - * @name: Name of the visor driver. - * @owner: The module owner. - * @channel_types: Types of channels handled by this driver, ending with - * a zero GUID. Our specialized BUS.match() method knows - * about this list, and uses it to determine whether this - * driver will in fact handle a new device that it has - * detected. - * @probe: Called when a new device comes online, by our probe() - * function specified by driver.probe() (triggered - * ultimately by some call to driver_register(), - * bus_add_driver(), or driver_attach()). - * @remove: Called when a new device is removed, by our remove() - * function specified by driver.remove() (triggered - * ultimately by some call to device_release_driver()). - * @channel_interrupt: Called periodically, whenever there is a possiblity - * that "something interesting" may have happened to the - * channel. - * @pause: Called to initiate a change of the device's state. If - * the return valu`e is < 0, there was an error and the - * state transition will NOT occur. If the return value - * is >= 0, then the state transition was INITIATED - * successfully, and complete_func() will be called (or - * was just called) with the final status when either the - * state transition fails or completes successfully. - * @resume: Behaves similar to pause. - * @driver: Private reference to the device driver. For use by bus - * driver only. - */ -struct visor_driver { - const char *name; - struct module *owner; - struct visor_channeltype_descriptor *channel_types; - int (*probe)(struct visor_device *dev); - void (*remove)(struct visor_device *dev); - void (*channel_interrupt)(struct visor_device *dev); - int (*pause)(struct visor_device *dev, - visorbus_state_complete_func complete_func); - int (*resume)(struct visor_device *dev, - visorbus_state_complete_func complete_func); - - /* These fields are for private use by the bus driver only. */ - struct device_driver driver; -}; - -#define to_visor_driver(x) (container_of(x, struct visor_driver, driver)) - -/** * struct visor_device - A device type for things "plugged" into the visorbus - * bus + * bus * @visorchannel: Points to the channel that the device is * associated with. * @channel_type_guid: Identifies the channel type to the bus driver. @@ -139,7 +72,6 @@ struct visor_driver { * same across all visor_devices in the current * guest. Private use by bus driver only. */ - struct visor_device { struct visorchannel *visorchannel; guid_t channel_type_guid; @@ -161,11 +93,74 @@ struct visor_device { void *vbus_hdr_info; guid_t partition_guid; struct dentry *debugfs_dir; - struct dentry *debugfs_client_bus_info; + struct dentry *debugfs_bus_info; }; #define to_visor_device(x) container_of(x, struct visor_device, device) +typedef void (*visorbus_state_complete_func) (struct visor_device *dev, + int status); + +/* + * This struct describes a specific visor channel, by providing its GUID, name, + * and sizes. + */ +struct visor_channeltype_descriptor { + const guid_t guid; + const char *name; + u64 min_bytes; + u32 version; +}; + +/** + * struct visor_driver - Information provided by each visor driver when it + * registers with the visorbus driver + * @name: Name of the visor driver. + * @owner: The module owner. + * @channel_types: Types of channels handled by this driver, ending with + * a zero GUID. Our specialized BUS.match() method knows + * about this list, and uses it to determine whether this + * driver will in fact handle a new device that it has + * detected. + * @probe: Called when a new device comes online, by our probe() + * function specified by driver.probe() (triggered + * ultimately by some call to driver_register(), + * bus_add_driver(), or driver_attach()). + * @remove: Called when a new device is removed, by our remove() + * function specified by driver.remove() (triggered + * ultimately by some call to device_release_driver()). + * @channel_interrupt: Called periodically, whenever there is a possiblity + * that "something interesting" may have happened to the + * channel. + * @pause: Called to initiate a change of the device's state. If + * the return valu`e is < 0, there was an error and the + * state transition will NOT occur. If the return value + * is >= 0, then the state transition was INITIATED + * successfully, and complete_func() will be called (or + * was just called) with the final status when either the + * state transition fails or completes successfully. + * @resume: Behaves similar to pause. + * @driver: Private reference to the device driver. For use by bus + * driver only. + */ +struct visor_driver { + const char *name; + struct module *owner; + struct visor_channeltype_descriptor *channel_types; + int (*probe)(struct visor_device *dev); + void (*remove)(struct visor_device *dev); + void (*channel_interrupt)(struct visor_device *dev); + int (*pause)(struct visor_device *dev, + visorbus_state_complete_func complete_func); + int (*resume)(struct visor_device *dev, + visorbus_state_complete_func complete_func); + + /* These fields are for private use by the bus driver only. */ + struct device_driver driver; +}; + +#define to_visor_driver(x) (container_of(x, struct visor_driver, driver)) + int visor_check_channel(struct channel_header *ch, struct device *dev, const guid_t *expected_uuid, char *chname, u64 expected_min_bytes, u32 expected_version, @@ -182,26 +177,6 @@ int visorbus_write_channel(struct visor_device *dev, int visorbus_enable_channel_interrupts(struct visor_device *dev); void visorbus_disable_channel_interrupts(struct visor_device *dev); -/* - * Levels of severity for diagnostic events, in order from lowest severity to - * highest (i.e. fatal errors are the most severe, and should always be logged, - * but info events rarely need to be logged except during debugging). The - * values DIAG_SEVERITY_ENUM_BEGIN and DIAG_SEVERITY_ENUM_END are not valid - * severity values. They exist merely to dilineate the list, so that future - * additions won't require changes to the driver (i.e. when checking for - * out-of-range severities in SetSeverity). The values DIAG_SEVERITY_OVERRIDE - * and DIAG_SEVERITY_SHUTOFF are not valid severity values for logging events - * but they are valid for controlling the amount of event data. Changes made - * to the enum, need to be reflected in s-Par. - */ -enum diag_severity { - DIAG_SEVERITY_VERBOSE = 0, - DIAG_SEVERITY_INFO = 1, - DIAG_SEVERITY_WARNING = 2, - DIAG_SEVERITY_ERR = 3, - DIAG_SEVERITY_PRINT = 4, -}; - int visorchannel_signalremove(struct visorchannel *channel, u32 queue, void *msg); int visorchannel_signalinsert(struct visorchannel *channel, u32 queue, diff --git a/drivers/staging/unisys/include/channel.h b/drivers/staging/unisys/include/visorchannel.h index 2babe93631f3..33945749c8b6 100644 --- a/drivers/staging/unisys/include/channel.h +++ b/drivers/staging/unisys/include/visorchannel.h @@ -14,17 +14,13 @@ * details. */ -#ifndef __CHANNEL_H__ -#define __CHANNEL_H__ +#ifndef __VISORCHANNEL_H__ +#define __VISORCHANNEL_H__ #include <linux/types.h> -#include <linux/io.h> #include <linux/uuid.h> -#define SIGNATURE_16(A, B) ((A) | ((B) << 8)) -#define SIGNATURE_32(A, B, C, D) \ - (SIGNATURE_16(A, B) | (SIGNATURE_16(C, D) << 16)) -#define VISOR_CHANNEL_SIGNATURE SIGNATURE_32('E', 'C', 'N', 'L') +#define VISOR_CHANNEL_SIGNATURE ('L' << 24 | 'N' << 16 | 'C' << 8 | 'E') /* * enum channel_serverstate @@ -183,7 +179,7 @@ struct signal_queue_header { u8 filler[12]; } __packed; -/* CHANNEL Guids */ +/* VISORCHANNEL Guids */ /* {414815ed-c58c-11da-95a9-00e08161165f} */ #define VISOR_VHBA_CHANNEL_GUID \ GUID_INIT(0x414815ed, 0xc58c, 0x11da, \ diff --git a/drivers/staging/unisys/visorbus/Makefile b/drivers/staging/unisys/visorbus/Makefile index f3730d8c953e..784cdc1f9d6a 100644 --- a/drivers/staging/unisys/visorbus/Makefile +++ b/drivers/staging/unisys/visorbus/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for Unisys visorbus # diff --git a/drivers/staging/unisys/visorbus/controlvmchannel.h b/drivers/staging/unisys/visorbus/controlvmchannel.h index 32ff5c1bb6ba..9ee9886a9aed 100644 --- a/drivers/staging/unisys/visorbus/controlvmchannel.h +++ b/drivers/staging/unisys/visorbus/controlvmchannel.h @@ -17,7 +17,8 @@ #define __CONTROLVMCHANNEL_H__ #include <linux/uuid.h> -#include "channel.h" + +#include "visorchannel.h" /* {2B3C2D10-7EF5-4ad8-B966-3448B7386B3D} */ #define VISOR_CONTROLVM_CHANNEL_GUID \ diff --git a/drivers/staging/unisys/visorbus/vbuschannel.h b/drivers/staging/unisys/visorbus/vbuschannel.h index 27e04de14818..981b180f3c4b 100644 --- a/drivers/staging/unisys/visorbus/vbuschannel.h +++ b/drivers/staging/unisys/visorbus/vbuschannel.h @@ -26,8 +26,7 @@ */ #include <linux/uuid.h> -#include <linux/ctype.h> -#include "channel.h" +#include "visorchannel.h" /* {193b331b-c58f-11da-95a9-00e08161165f} */ #define VISOR_VBUS_CHANNEL_GUID \ @@ -50,9 +49,9 @@ * @infostrs: Kernel vversion. * @reserved: Pad size to 256 bytes. * - * An array of this struct is present in the channel area for each vbus. - * (See vbuschannel.h.). It is filled in by the client side to provide info - * about the device and driver from the client's perspective. + * An array of this struct is present in the channel area for each vbus. It is + * filled in by the client side to provide info about the device and driver from + * the client's perspective. */ struct visor_vbus_deviceinfo { u8 devtype[16]; @@ -73,7 +72,7 @@ struct visor_vbus_deviceinfo { * BusInfo struct. * @dev_info_offset: Byte offset from beginning of this struct to the * DevInfo array. - * @reserved: Natural Alignment + * @reserved: Natural alignment. */ struct visor_vbus_headerinfo { u32 struct_bytes; @@ -97,7 +96,6 @@ struct visor_vbus_headerinfo { struct visor_vbus_channel { struct channel_header channel_header; struct visor_vbus_headerinfo hdr_info; - /* The remainder of this channel is filled in by the client */ struct visor_vbus_deviceinfo chp_info; struct visor_vbus_deviceinfo bus_info; struct visor_vbus_deviceinfo dev_info[0]; diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c index 2bc7ff7bb96a..b604d0cccef1 100644 --- a/drivers/staging/unisys/visorbus/visorbus_main.c +++ b/drivers/staging/unisys/visorbus/visorbus_main.c @@ -13,7 +13,10 @@ * details. */ +#include <linux/ctype.h> #include <linux/debugfs.h> +#include <linux/module.h> +#include <linux/slab.h> #include <linux/uuid.h> #include "visorbus.h" @@ -69,12 +72,9 @@ static LIST_HEAD(list_all_device_instances); * Note that <logCtx> is only needed for callers in the EFI environment, and * is used to pass the EFI_DIAG_CAPTURE_PROTOCOL needed to log messages. */ -int visor_check_channel(struct channel_header *ch, - struct device *dev, - const guid_t *expected_guid, - char *chname, - u64 expected_min_bytes, - u32 expected_version, +int visor_check_channel(struct channel_header *ch, struct device *dev, + const guid_t *expected_guid, char *chname, + u64 expected_min_bytes, u32 expected_version, u64 expected_signature) { if (!guid_is_null(expected_guid)) { @@ -125,7 +125,6 @@ static int visorbus_uevent(struct device *xdev, struct kobj_uevent_env *env) dev = to_visor_device(xdev); guid = visorchannel_get_guid(dev->visorchannel); - return add_uevent_var(env, "MODALIAS=visorbus:%pUl", guid); } @@ -144,17 +143,24 @@ static int visorbus_match(struct device *xdev, struct device_driver *xdrv) int i; struct visor_device *dev; struct visor_driver *drv; + struct visorchannel *chan; dev = to_visor_device(xdev); channel_type = visorchannel_get_guid(dev->visorchannel); drv = to_visor_driver(xdrv); + chan = dev->visorchannel; if (!drv->channel_types) return 0; - for (i = 0; !guid_is_null(&drv->channel_types[i].guid); i++) - if (guid_equal(&drv->channel_types[i].guid, channel_type)) + if (guid_equal(&drv->channel_types[i].guid, channel_type) && + visor_check_channel(visorchannel_get_header(chan), + xdev, + &drv->channel_types[i].guid, + (char *)drv->channel_types[i].name, + drv->channel_types[i].min_bytes, + drv->channel_types[i].version, + VISOR_CHANNEL_SIGNATURE)) return i + 1; - return 0; } @@ -162,13 +168,48 @@ static int visorbus_match(struct device *xdev, struct device_driver *xdrv) * This describes the TYPE of bus. * (Don't confuse this with an INSTANCE of the bus.) */ -struct bus_type visorbus_type = { +static struct bus_type visorbus_type = { .name = "visorbus", .match = visorbus_match, .uevent = visorbus_uevent, .dev_groups = visorbus_dev_groups, }; +struct visor_busdev { + u32 bus_no; + u32 dev_no; +}; + +static int match_visorbus_dev_by_id(struct device *dev, void *data) +{ + struct visor_device *vdev = to_visor_device(dev); + struct visor_busdev *id = data; + + if (vdev->chipset_bus_no == id->bus_no && + vdev->chipset_dev_no == id->dev_no) + return 1; + return 0; +} + +struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no, + struct visor_device *from) +{ + struct device *dev; + struct device *dev_start = NULL; + struct visor_busdev id = { + .bus_no = bus_no, + .dev_no = dev_no + }; + + if (from) + dev_start = &from->device; + dev = bus_find_device(&visorbus_type, dev_start, (void *)&id, + match_visorbus_dev_by_id); + if (!dev) + return NULL; + return to_visor_device(dev); +} + /* * visorbus_release_busdevice() - called when device_unregister() is called for * the bus device instance, after all other tasks @@ -179,8 +220,9 @@ static void visorbus_release_busdevice(struct device *xdev) { struct visor_device *dev = dev_get_drvdata(xdev); - debugfs_remove(dev->debugfs_client_bus_info); + debugfs_remove(dev->debugfs_bus_info); debugfs_remove_recursive(dev->debugfs_dir); + visorchannel_destroy(dev->visorchannel); kfree(dev); } @@ -198,7 +240,7 @@ static void visorbus_release_device(struct device *xdev) } /* - * begin implementation of specific channel attributes to appear under + * BUS specific channel attributes to appear under * /sys/bus/visorbus<x>/dev<y>/channel */ @@ -218,7 +260,7 @@ static ssize_t nbytes_show(struct device *dev, struct device_attribute *attr, struct visor_device *vdev = to_visor_device(dev); return sprintf(buf, "0x%lx\n", - visorchannel_get_nbytes(vdev->visorchannel)); + visorchannel_get_nbytes(vdev->visorchannel)); } static DEVICE_ATTR_RO(nbytes); @@ -284,18 +326,14 @@ static struct attribute *channel_attrs[] = { ATTRIBUTE_GROUPS(channel); -/* end implementation of specific channel attributes */ - /* * BUS instance attributes * * define & implement display of bus attributes under * /sys/bus/visorbus/devices/visorbus<n>. */ - static ssize_t partition_handle_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, char *buf) { struct visor_device *vdev = to_visor_device(dev); u64 handle = visorchannel_get_clientpartition(vdev->visorchannel); @@ -305,8 +343,7 @@ static ssize_t partition_handle_show(struct device *dev, static DEVICE_ATTR_RO(partition_handle); static ssize_t partition_guid_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, char *buf) { struct visor_device *vdev = to_visor_device(dev); @@ -315,8 +352,7 @@ static ssize_t partition_guid_show(struct device *dev, static DEVICE_ATTR_RO(partition_guid); static ssize_t partition_name_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, char *buf) { struct visor_device *vdev = to_visor_device(dev); @@ -325,8 +361,7 @@ static ssize_t partition_name_show(struct device *dev, static DEVICE_ATTR_RO(partition_name); static ssize_t channel_addr_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, char *buf) { struct visor_device *vdev = to_visor_device(dev); u64 addr = visorchannel_get_physaddr(vdev->visorchannel); @@ -336,8 +371,7 @@ static ssize_t channel_addr_show(struct device *dev, static DEVICE_ATTR_RO(channel_addr); static ssize_t channel_bytes_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, char *buf) { struct visor_device *vdev = to_visor_device(dev); u64 nbytes = visorchannel_get_nbytes(vdev->visorchannel); @@ -347,8 +381,7 @@ static ssize_t channel_bytes_show(struct device *dev, static DEVICE_ATTR_RO(channel_bytes); static ssize_t channel_id_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, char *buf) { struct visor_device *vdev = to_visor_device(dev); int len = 0; @@ -356,7 +389,6 @@ static ssize_t channel_id_show(struct device *dev, visorchannel_id(vdev->visorchannel, buf); len = strlen(buf); buf[len++] = '\n'; - return len; } static DEVICE_ATTR_RO(channel_id); @@ -396,13 +428,11 @@ static void vbuschannel_print_devinfo(struct visor_vbus_deviceinfo *devinfo, /* uninitialized vbus device entry */ if (!isprint(devinfo->devtype[0])) return; - if (devix >= 0) seq_printf(seq, "[%d]", devix); else /* vbus device entry is for bus or chipset */ seq_puts(seq, " "); - /* * Note: because the s-Par back-end is free to scribble in this area, * we never assume '\0'-termination. @@ -415,7 +445,7 @@ static void vbuschannel_print_devinfo(struct visor_vbus_deviceinfo *devinfo, devinfo->infostrs); } -static int client_bus_info_debugfs_show(struct seq_file *seq, void *v) +static int bus_info_debugfs_show(struct seq_file *seq, void *v) { int i = 0; unsigned long off; @@ -427,10 +457,9 @@ static int client_bus_info_debugfs_show(struct seq_file *seq, void *v) return 0; seq_printf(seq, - "Client device / client driver info for %s partition (vbus #%u):\n", + "Client device/driver info for %s partition (vbus #%u):\n", ((vdev->name) ? (char *)(vdev->name) : ""), vdev->chipset_bus_no); - if (visorchannel_read(channel, offsetof(struct visor_vbus_channel, chp_info), &dev_info, sizeof(dev_info)) >= 0) @@ -448,19 +477,17 @@ static int client_bus_info_debugfs_show(struct seq_file *seq, void *v) off += sizeof(dev_info); i++; } - return 0; } -static int client_bus_info_debugfs_open(struct inode *inode, struct file *file) +static int bus_info_debugfs_open(struct inode *inode, struct file *file) { - return single_open(file, client_bus_info_debugfs_show, - inode->i_private); + return single_open(file, bus_info_debugfs_show, inode->i_private); } -static const struct file_operations client_bus_info_debugfs_fops = { +static const struct file_operations bus_info_debugfs_fops = { .owner = THIS_MODULE, - .open = client_bus_info_debugfs_open, + .open = bus_info_debugfs_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, @@ -479,6 +506,7 @@ static int dev_start_periodic_work(struct visor_device *dev) { if (dev->being_removed || dev->timer_active) return -EINVAL; + /* now up by at least 2 */ get_device(&dev->device); dev->timer.expires = jiffies + POLLJIFFIES_NORMALCHANNEL; @@ -491,6 +519,7 @@ static void dev_stop_periodic_work(struct visor_device *dev) { if (!dev->timer_active) return; + del_timer_sync(&dev->timer); dev->timer_active = false; put_device(&dev->device); @@ -508,20 +537,15 @@ static void dev_stop_periodic_work(struct visor_device *dev) */ static int visordriver_remove_device(struct device *xdev) { - struct visor_device *dev; - struct visor_driver *drv; - - dev = to_visor_device(xdev); - drv = to_visor_driver(xdev->driver); + struct visor_device *dev = to_visor_device(xdev); + struct visor_driver *drv = to_visor_driver(xdev->driver); mutex_lock(&dev->visordriver_callback_lock); dev->being_removed = true; drv->remove(dev); mutex_unlock(&dev->visordriver_callback_lock); - dev_stop_periodic_work(dev); put_device(&dev->device); - return 0; } @@ -546,8 +570,7 @@ EXPORT_SYMBOL_GPL(visorbus_unregister_visor_driver); * @dest: the destination buffer that is written into from the channel * @nbytes: the number of bytes to read from the channel * - * If receiving a message, use the visorchannel_signalremove() - * function instead. + * If receiving a message, use the visorchannel_signalremove() function instead. * * Return: integer indicating success (zero) or failure (non-zero) */ @@ -566,8 +589,7 @@ EXPORT_SYMBOL_GPL(visorbus_read_channel); * @src: the source buffer that is written into the channel * @nbytes: the number of bytes to write into the channel * - * If sending a message, use the visorchannel_signalinsert() - * function instead. + * If sending a message, use the visorchannel_signalinsert() function instead. * * Return: integer indicating success (zero) or failure (non-zero) */ @@ -618,17 +640,16 @@ EXPORT_SYMBOL_GPL(visorbus_disable_channel_interrupts); * * This is how everything starts from the device end. * This function is called when a channel first appears via a ControlVM - * message. In response, this function allocates a visor_device to - * correspond to the new channel, and attempts to connect it the appropriate - * driver. If the appropriate driver is found, the visor_driver.probe() - * function for that driver will be called, and will be passed the new - * visor_device that we just created. + * message. In response, this function allocates a visor_device to correspond + * to the new channel, and attempts to connect it the appropriate * driver. If + * the appropriate driver is found, the visor_driver.probe() function for that + * driver will be called, and will be passed the new * visor_device that we + * just created. * * It's ok if the appropriate driver is not yet loaded, because in that case * the new device struct will just stick around in the bus' list of devices. * When the appropriate driver calls visorbus_register_visor_driver(), the - * visor_driver.probe() for the new driver will be called with the new - * device. + * visor_driver.probe() for the new driver will be called with the new device. * * Return: 0 if successful, otherwise the negative value returned by * device_add() indicating the reason for failure @@ -647,17 +668,15 @@ int create_visor_device(struct visor_device *dev) /* keep a reference just for us (now 2) */ get_device(&dev->device); setup_timer(&dev->timer, dev_periodic_work, (unsigned long)dev); - /* - * bus_id must be a unique name with respect to this bus TYPE - * (NOT bus instance). That's why we need to include the bus - * number within the name. + * bus_id must be a unique name with respect to this bus TYPE (NOT bus + * instance). That's why we need to include the bus number within the + * name. */ err = dev_set_name(&dev->device, "vbus%u:dev%u", chipset_bus_no, chipset_dev_no); if (err) goto err_put; - /* * device_add does this: * bus_add_device(dev) @@ -671,14 +690,13 @@ int create_visor_device(struct visor_device *dev) * if (!drv.probe(dev)) [visordriver_probe_device] * dev.drv = NULL * - * Note that device_add does NOT fail if no driver failed to - * claim the device. The device will be linked onto - * bus_type.klist_devices regardless (use bus_for_each_dev). + * Note that device_add does NOT fail if no driver failed to claim the + * device. The device will be linked onto bus_type.klist_devices + * regardless (use bus_for_each_dev). */ err = device_add(&dev->device); if (err < 0) goto err_put; - list_add_tail(&dev->list_all, &list_all_device_instances); dev->state.created = 1; visorbus_response(dev, err, CONTROLVM_DEVICE_CREATE); @@ -695,8 +713,9 @@ void remove_visor_device(struct visor_device *dev) { list_del(&dev->list_all); put_device(&dev->device); + if (dev->pending_msg_hdr) + visorbus_response(dev, 0, CONTROLVM_DEVICE_DESTROY); device_unregister(&dev->device); - visorbus_response(dev, 0, CONTROLVM_DEVICE_DESTROY); } static int get_vbus_header_info(struct visorchannel *chan, @@ -718,14 +737,11 @@ static int get_vbus_header_info(struct visorchannel *chan, sizeof(*hdr_info)); if (err < 0) return err; - if (hdr_info->struct_bytes < sizeof(struct visor_vbus_headerinfo)) return -EINVAL; - if (hdr_info->device_info_struct_bytes < sizeof(struct visor_vbus_deviceinfo)) return -EINVAL; - return 0; } @@ -746,11 +762,12 @@ static void write_vbus_chp_info(struct visorchannel *chan, struct visor_vbus_headerinfo *hdr_info, struct visor_vbus_deviceinfo *info) { - int off = sizeof(struct channel_header) + hdr_info->chp_info_offset; + int off; if (hdr_info->chp_info_offset == 0) return; + off = sizeof(struct channel_header) + hdr_info->chp_info_offset; visorchannel_write(chan, off, info, sizeof(*info)); } @@ -771,11 +788,12 @@ static void write_vbus_bus_info(struct visorchannel *chan, struct visor_vbus_headerinfo *hdr_info, struct visor_vbus_deviceinfo *info) { - int off = sizeof(struct channel_header) + hdr_info->bus_info_offset; + int off; if (hdr_info->bus_info_offset == 0) return; + off = sizeof(struct channel_header) + hdr_info->bus_info_offset; visorchannel_write(chan, off, info, sizeof(*info)); } @@ -798,13 +816,12 @@ static void write_vbus_dev_info(struct visorchannel *chan, struct visor_vbus_deviceinfo *info, unsigned int devix) { - int off = - (sizeof(struct channel_header) + hdr_info->dev_info_offset) + - (hdr_info->device_info_struct_bytes * devix); + int off; if (hdr_info->dev_info_offset == 0) return; - + off = (sizeof(struct channel_header) + hdr_info->dev_info_offset) + + (hdr_info->device_info_struct_bytes * devix); visorchannel_write(chan, off, info, sizeof(*info)); } @@ -844,7 +861,6 @@ static void publish_vbus_dev_info(struct visor_device *visordev) if (!visordev->device.driver) return; - bdev = visorbus_get_device_by_id(bus_no, BUS_ROOT_DEVICE, NULL); if (!bdev) return; @@ -860,14 +876,12 @@ static void publish_vbus_dev_info(struct visor_device *visordev) * type name */ for (i = 0; visordrv->channel_types[i].name; i++) { - if (memcmp(&visordrv->channel_types[i].guid, - &visordev->channel_type_guid, - sizeof(visordrv->channel_types[i].guid)) == 0) { + if (guid_equal(&visordrv->channel_types[i].guid, + &visordev->channel_type_guid)) { chan_type_name = visordrv->channel_types[i].name; break; } } - bus_device_info_init(&dev_info, chan_type_name, visordrv->name); write_vbus_dev_info(bdev->visorchannel, hdr_info, &dev_info, dev_no); write_vbus_chp_info(bdev->visorchannel, hdr_info, &chipset_driverinfo); @@ -892,36 +906,32 @@ static void publish_vbus_dev_info(struct visor_device *visordev) */ static int visordriver_probe_device(struct device *xdev) { - int res; - struct visor_driver *drv; - struct visor_device *dev; - - dev = to_visor_device(xdev); - drv = to_visor_driver(xdev->driver); + int err; + struct visor_driver *drv = to_visor_driver(xdev->driver); + struct visor_device *dev = to_visor_device(xdev); mutex_lock(&dev->visordriver_callback_lock); dev->being_removed = false; - - res = drv->probe(dev); - if (res >= 0) { - /* success: reference kept via unmatched get_device() */ - get_device(&dev->device); - publish_vbus_dev_info(dev); + err = drv->probe(dev); + if (err) { + mutex_unlock(&dev->visordriver_callback_lock); + return err; } - + /* success: reference kept via unmatched get_device() */ + get_device(&dev->device); + publish_vbus_dev_info(dev); mutex_unlock(&dev->visordriver_callback_lock); - return res; + return 0; } /* - * visorbus_register_visor_driver() - registers the provided visor driver - * for handling one or more visor device + * visorbus_register_visor_driver() - registers the provided visor driver for + * handling one or more visor device * types (channel_types) * @drv: the driver to register * - * A visor function driver calls this function to register - * the driver. The caller MUST fill in the following fields within the - * #drv structure: + * A visor function driver calls this function to register the driver. The + * caller MUST fill in the following fields within the #drv structure: * name, version, owner, channel_types, probe, remove * * Here's how the whole Linux bus / driver / device model works. @@ -967,16 +977,12 @@ int visorbus_register_visor_driver(struct visor_driver *drv) /* can't register on a nonexistent bus */ if (!initialized) return -ENODEV; - if (!drv->probe) return -EINVAL; - if (!drv->remove) return -EINVAL; - if (!drv->pause) return -EINVAL; - if (!drv->resume) return -EINVAL; @@ -985,7 +991,6 @@ int visorbus_register_visor_driver(struct visor_driver *drv) drv->driver.probe = visordriver_probe_device; drv->driver.remove = visordriver_remove_device; drv->driver.owner = drv->owner; - /* * driver_register does this: * bus_add_driver(drv) @@ -998,7 +1003,6 @@ int visorbus_register_visor_driver(struct visor_driver *drv) * if (!drv.probe(dev)) [visordriver_probe_device] * dev.drv = NULL */ - return driver_register(&drv->driver); } EXPORT_SYMBOL_GPL(visorbus_register_visor_driver); @@ -1019,39 +1023,28 @@ int visorbus_create_instance(struct visor_device *dev) hdr_info = kzalloc(sizeof(*hdr_info), GFP_KERNEL); if (!hdr_info) return -ENOMEM; - dev_set_name(&dev->device, "visorbus%d", id); dev->device.bus = &visorbus_type; dev->device.groups = visorbus_groups; dev->device.release = visorbus_release_busdevice; - dev->debugfs_dir = debugfs_create_dir(dev_name(&dev->device), visorbus_debugfs_dir); - dev->debugfs_client_bus_info = - debugfs_create_file("client_bus_info", 0440, - dev->debugfs_dir, dev, - &client_bus_info_debugfs_fops); - + dev->debugfs_bus_info = debugfs_create_file("client_bus_info", 0440, + dev->debugfs_dir, dev, + &bus_info_debugfs_fops); dev_set_drvdata(&dev->device, dev); err = get_vbus_header_info(dev->visorchannel, &dev->device, hdr_info); if (err < 0) goto err_debugfs_dir; - err = device_register(&dev->device); if (err < 0) goto err_debugfs_dir; - list_add_tail(&dev->list_all, &list_all_bus_instances); - dev->state.created = 1; dev->vbus_hdr_info = (void *)hdr_info; - write_vbus_chp_info(dev->visorchannel, hdr_info, - &chipset_driverinfo); - write_vbus_bus_info(dev->visorchannel, hdr_info, - &clientbus_driverinfo); - + write_vbus_chp_info(dev->visorchannel, hdr_info, &chipset_driverinfo); + write_vbus_bus_info(dev->visorchannel, hdr_info, &clientbus_driverinfo); visorbus_response(dev, err, CONTROLVM_BUS_CREATE); - return 0; err_debugfs_dir: @@ -1075,11 +1068,11 @@ void visorbus_remove_instance(struct visor_device *dev) * successfully been able to trace thru the code to see where/how * release() gets called. But I know it does. */ - visorchannel_destroy(dev->visorchannel); kfree(dev->vbus_hdr_info); list_del(&dev->list_all); + if (dev->pending_msg_hdr) + visorbus_response(dev, 0, CONTROLVM_BUS_DESTROY); device_unregister(&dev->device); - visorbus_response(dev, 0, CONTROLVM_BUS_DESTROY); } /* @@ -1090,9 +1083,9 @@ static void remove_all_visor_devices(void) struct list_head *listentry, *listtmp; list_for_each_safe(listentry, listtmp, &list_all_device_instances) { - struct visor_device *dev = list_entry(listentry, - struct visor_device, - list_all); + struct visor_device *dev; + + dev = list_entry(listentry, struct visor_device, list_all); remove_visor_device(dev); } } @@ -1131,7 +1124,6 @@ static void resume_state_change_complete(struct visor_device *dev, int status) return; dev->resuming = false; - /* * Notify the chipset driver that the resume is complete, * which will presumably want to send some sort of response to @@ -1156,7 +1148,7 @@ static int visorchipset_initiate_device_pause_resume(struct visor_device *dev, bool is_pause) { int err; - struct visor_driver *drv = NULL; + struct visor_driver *drv; /* If no driver associated with the device nothing to pause/resume */ if (!dev->device.driver) @@ -1177,7 +1169,6 @@ static int visorchipset_initiate_device_pause_resume(struct visor_device *dev, dev->resuming = true; err = drv->resume(dev, resume_state_change_complete); } - return err; } @@ -1198,7 +1189,6 @@ int visorchipset_device_pause(struct visor_device *dev_info) dev_info->pausing = false; return err; } - return 0; } @@ -1219,7 +1209,6 @@ int visorchipset_device_resume(struct visor_device *dev_info) dev_info->resuming = false; return err; } - return 0; } @@ -1228,18 +1217,12 @@ int visorbus_init(void) int err; visorbus_debugfs_dir = debugfs_create_dir("visorbus", NULL); - if (!visorbus_debugfs_dir) - return -ENOMEM; - bus_device_info_init(&clientbus_driverinfo, "clientbus", "visorbus"); - err = bus_register(&visorbus_type); if (err < 0) return err; - initialized = true; bus_device_info_init(&chipset_driverinfo, "chipset", "visorchipset"); - return 0; } @@ -1248,14 +1231,12 @@ void visorbus_exit(void) struct list_head *listentry, *listtmp; remove_all_visor_devices(); - list_for_each_safe(listentry, listtmp, &list_all_bus_instances) { - struct visor_device *dev = list_entry(listentry, - struct visor_device, - list_all); + struct visor_device *dev; + + dev = list_entry(listentry, struct visor_device, list_all); visorbus_remove_instance(dev); } - bus_unregister(&visorbus_type); initialized = false; debugfs_remove_recursive(visorbus_debugfs_dir); diff --git a/drivers/staging/unisys/visorbus/visorbus_private.h b/drivers/staging/unisys/visorbus/visorbus_private.h index e878d65ab668..4a8b12d7cfaa 100644 --- a/drivers/staging/unisys/visorbus/visorbus_private.h +++ b/drivers/staging/unisys/visorbus/visorbus_private.h @@ -23,25 +23,23 @@ #include "vbuschannel.h" #include "visorbus.h" +struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no, + struct visor_device *from); int visorbus_create_instance(struct visor_device *dev); void visorbus_remove_instance(struct visor_device *bus_info); int create_visor_device(struct visor_device *dev_info); void remove_visor_device(struct visor_device *dev_info); int visorchipset_device_pause(struct visor_device *dev_info); int visorchipset_device_resume(struct visor_device *dev_info); - void visorbus_response(struct visor_device *p, int response, int controlvm_id); void visorbus_device_changestate_response(struct visor_device *p, int response, struct visor_segment_state state); - int visorbus_init(void); void visorbus_exit(void); /* visorchannel access functions */ struct visorchannel *visorchannel_create(u64 physaddr, gfp_t gfp, - const guid_t *guid); -struct visorchannel *visorchannel_create_with_lock(u64 physaddr, gfp_t gfp, - const guid_t *guid); + const guid_t *guid, bool needs_lock); void visorchannel_destroy(struct visorchannel *channel); int visorchannel_read(struct visorchannel *channel, ulong offset, void *dest, ulong nbytes); diff --git a/drivers/staging/unisys/visorbus/visorchannel.c b/drivers/staging/unisys/visorbus/visorchannel.c index 2a000fee3119..aae16073ba03 100644 --- a/drivers/staging/unisys/visorbus/visorchannel.c +++ b/drivers/staging/unisys/visorbus/visorchannel.c @@ -20,6 +20,7 @@ #include <linux/uuid.h> #include <linux/io.h> +#include <linux/slab.h> #include "visorbus.h" #include "visorbus_private.h" @@ -41,8 +42,8 @@ struct visorchannel { struct channel_header chan_hdr; guid_t guid; /* - * channel creator knows if more than one - * thread will be inserting or removing + * channel creator knows if more than one thread will be inserting or + * removing */ bool needs_lock; /* protect head writes in chan_hdr */ @@ -57,6 +58,7 @@ void visorchannel_destroy(struct visorchannel *channel) { if (!channel) return; + if (channel->mapped) { memunmap(channel->mapped); if (channel->requested) @@ -122,7 +124,6 @@ int visorchannel_read(struct visorchannel *channel, ulong offset, void *dest, return -EIO; memcpy(dest, channel->mapped + offset, nbytes); - return 0; } @@ -140,9 +141,7 @@ int visorchannel_write(struct visorchannel *channel, ulong offset, void *dest, memcpy(((char *)(&channel->chan_hdr)) + offset, dest, copy_size); } - memcpy(channel->mapped + offset, dest, nbytes); - return 0; } @@ -173,8 +172,8 @@ static int sig_data_offset(struct channel_header *chan_hdr, int q, } /* - * Write the contents of a specific field within a SIGNAL_QUEUE_HEADER back - * into host memory + * Write the contents of a specific field within a SIGNAL_QUEUE_HEADER back into + * host memory */ #define SIG_WRITE_FIELD(channel, queue, sig_hdr, FIELD) \ visorchannel_write(channel, \ @@ -226,32 +225,25 @@ static int signalremove_inner(struct visorchannel *channel, u32 queue, error = sig_read_header(channel, queue, &sig_hdr); if (error) return error; - /* No signals to remove; have caller try again. */ if (sig_hdr.head == sig_hdr.tail) return -EAGAIN; - sig_hdr.tail = (sig_hdr.tail + 1) % sig_hdr.max_slots; - error = sig_read_data(channel, queue, &sig_hdr, sig_hdr.tail, msg); if (error) return error; - sig_hdr.num_received++; - /* - * For each data field in SIGNAL_QUEUE_HEADER that was modified, - * update host memory. Required for channel sync. + * For each data field in SIGNAL_QUEUE_HEADER that was modified, update + * host memory. Required for channel sync. */ mb(); - error = SIG_WRITE_FIELD(channel, queue, &sig_hdr, tail); if (error) return error; error = SIG_WRITE_FIELD(channel, queue, &sig_hdr, num_received); if (error) return error; - return 0; } @@ -288,13 +280,12 @@ static bool queue_empty(struct visorchannel *channel, u32 queue) if (sig_read_header(channel, queue, &sig_hdr)) return true; - return (sig_hdr.head == sig_hdr.tail); } /** - * visorchannel_signalempty() - checks if the designated channel/queue - * contains any messages + * visorchannel_signalempty() - checks if the designated channel/queue contains + * any messages * @channel: the channel to query * @queue: the queue in the channel to query * @@ -308,11 +299,9 @@ bool visorchannel_signalempty(struct visorchannel *channel, u32 queue) if (!channel->needs_lock) return queue_empty(channel, queue); - spin_lock_irqsave(&channel->remove_lock, flags); rc = queue_empty(channel, queue); spin_unlock_irqrestore(&channel->remove_lock, flags); - return rc; } EXPORT_SYMBOL_GPL(visorchannel_signalempty); @@ -326,7 +315,6 @@ static int signalinsert_inner(struct visorchannel *channel, u32 queue, err = sig_read_header(channel, queue, &sig_hdr); if (err) return err; - sig_hdr.head = (sig_hdr.head + 1) % sig_hdr.max_slots; if (sig_hdr.head == sig_hdr.tail) { sig_hdr.num_overflows++; @@ -335,33 +323,28 @@ static int signalinsert_inner(struct visorchannel *channel, u32 queue, return err; return -EIO; } - err = sig_write_data(channel, queue, &sig_hdr, sig_hdr.head, msg); if (err) return err; - sig_hdr.num_sent++; - /* - * For each data field in SIGNAL_QUEUE_HEADER that was modified, - * update host memory. Required for channel sync. + * For each data field in SIGNAL_QUEUE_HEADER that was modified, update + * host memory. Required for channel sync. */ mb(); - err = SIG_WRITE_FIELD(channel, queue, &sig_hdr, head); if (err) return err; err = SIG_WRITE_FIELD(channel, queue, &sig_hdr, num_sent); if (err) return err; - return 0; } /* - * visorchannel_create_guts() - creates the struct visorchannel abstraction - * for a data area in memory, but does NOT modify - * this data area + * visorchannel_create() - creates the struct visorchannel abstraction for a + * data area in memory, but does NOT modify this data + * area * @physaddr: physical address of start of channel * @gfp: gfp_t to use when allocating memory for the data struct * @guid: GUID that identifies channel type; @@ -372,9 +355,8 @@ static int signalinsert_inner(struct visorchannel *channel, u32 queue, * Return: pointer to visorchannel that was created if successful, * otherwise NULL */ -static struct visorchannel *visorchannel_create_guts(u64 physaddr, gfp_t gfp, - const guid_t *guid, - bool needs_lock) +struct visorchannel *visorchannel_create(u64 physaddr, gfp_t gfp, + const guid_t *guid, bool needs_lock) { struct visorchannel *channel; int err; @@ -386,37 +368,30 @@ static struct visorchannel *visorchannel_create_guts(u64 physaddr, gfp_t gfp, channel = kzalloc(sizeof(*channel), gfp); if (!channel) return NULL; - channel->needs_lock = needs_lock; spin_lock_init(&channel->insert_lock); spin_lock_init(&channel->remove_lock); - /* - * Video driver constains the efi framebuffer so it will get a - * conflict resource when requesting its full mem region. Since - * we are only using the efi framebuffer for video we can ignore - * this. Remember that we haven't requested it so we don't try to - * release later on. + * Video driver constains the efi framebuffer so it will get a conflict + * resource when requesting its full mem region. Since we are only + * using the efi framebuffer for video we can ignore this. Remember that + * we haven't requested it so we don't try to release later on. */ channel->requested = request_mem_region(physaddr, size, VISOR_DRV_NAME); if (!channel->requested && !guid_equal(guid, &visor_video_guid)) /* we only care about errors if this is not the video channel */ goto err_destroy_channel; - channel->mapped = memremap(physaddr, size, MEMREMAP_WB); if (!channel->mapped) { release_mem_region(physaddr, size); goto err_destroy_channel; } - channel->physaddr = physaddr; channel->nbytes = size; - err = visorchannel_read(channel, 0, &channel->chan_hdr, size); if (err) goto err_destroy_channel; size = (ulong)channel->chan_hdr.size; - memunmap(channel->mapped); if (channel->requested) release_mem_region(channel->physaddr, channel->nbytes); @@ -426,13 +401,11 @@ static struct visorchannel *visorchannel_create_guts(u64 physaddr, gfp_t gfp, if (!channel->requested && !guid_equal(guid, &visor_video_guid)) /* we only care about errors if this is not the video channel */ goto err_destroy_channel; - channel->mapped = memremap(channel->physaddr, size, MEMREMAP_WB); if (!channel->mapped) { release_mem_region(channel->physaddr, size); goto err_destroy_channel; } - channel->nbytes = size; guid_copy(&channel->guid, guid); return channel; @@ -442,18 +415,6 @@ err_destroy_channel: return NULL; } -struct visorchannel *visorchannel_create(u64 physaddr, gfp_t gfp, - const guid_t *guid) -{ - return visorchannel_create_guts(physaddr, gfp, guid, false); -} - -struct visorchannel *visorchannel_create_with_lock(u64 physaddr, gfp_t gfp, - const guid_t *guid) -{ - return visorchannel_create_guts(physaddr, gfp, guid, true); -} - /** * visorchannel_signalinsert() - inserts a message into the designated * channel/queue diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c index 27ecf6fb49fd..fed554a43151 100644 --- a/drivers/staging/unisys/visorbus/visorchipset.c +++ b/drivers/staging/unisys/visorbus/visorchipset.c @@ -27,8 +27,8 @@ static const guid_t visor_vhba_channel_guid = VISOR_VHBA_CHANNEL_GUID; static const guid_t visor_siovm_guid = VISOR_SIOVM_GUID; static const guid_t visor_controlvm_channel_guid = VISOR_CONTROLVM_CHANNEL_GUID; -#define POLLJIFFIES_CONTROLVMCHANNEL_FAST 1 -#define POLLJIFFIES_CONTROLVMCHANNEL_SLOW 100 +#define POLLJIFFIES_CONTROLVM_FAST 1 +#define POLLJIFFIES_CONTROLVM_SLOW 100 #define MAX_CONTROLVM_PAYLOAD_BYTES (1024 * 128) @@ -128,7 +128,6 @@ static ssize_t toolaction_show(struct device *dev, &tool_action, sizeof(u8)); if (err) return err; - return sprintf(buf, "%u\n", tool_action); } @@ -141,7 +140,6 @@ static ssize_t toolaction_store(struct device *dev, if (kstrtou8(buf, 10, &tool_action)) return -EINVAL; - err = visorchannel_write(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, tool_action), @@ -178,7 +176,6 @@ static ssize_t boottotool_store(struct device *dev, if (kstrtoint(buf, 10, &val)) return -EINVAL; - efi_visor_indication.boot_to_tool = val; err = visorchannel_write(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, @@ -214,7 +211,6 @@ static ssize_t error_store(struct device *dev, struct device_attribute *attr, if (kstrtou32(buf, 10, &error)) return -EINVAL; - err = visorchannel_write(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, installation_error), @@ -237,7 +233,6 @@ static ssize_t textid_show(struct device *dev, struct device_attribute *attr, &text_id, sizeof(u32)); if (err) return err; - return sprintf(buf, "%u\n", text_id); } @@ -249,7 +244,6 @@ static ssize_t textid_store(struct device *dev, struct device_attribute *attr, if (kstrtou32(buf, 10, &text_id)) return -EINVAL; - err = visorchannel_write(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, installation_text_id), @@ -272,7 +266,6 @@ static ssize_t remaining_steps_show(struct device *dev, &remaining_steps, sizeof(u16)); if (err) return err; - return sprintf(buf, "%hu\n", remaining_steps); } @@ -285,7 +278,6 @@ static ssize_t remaining_steps_store(struct device *dev, if (kstrtou16(buf, 10, &remaining_steps)) return -EINVAL; - err = visorchannel_write(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, installation_remaining_steps), @@ -296,43 +288,6 @@ static ssize_t remaining_steps_store(struct device *dev, } static DEVICE_ATTR_RW(remaining_steps); -struct visor_busdev { - u32 bus_no; - u32 dev_no; -}; - -static int match_visorbus_dev_by_id(struct device *dev, void *data) -{ - struct visor_device *vdev = to_visor_device(dev); - struct visor_busdev *id = data; - - if ((vdev->chipset_bus_no == id->bus_no) && - (vdev->chipset_dev_no == id->dev_no)) - return 1; - - return 0; -} - -struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no, - struct visor_device *from) -{ - struct device *dev; - struct device *dev_start = NULL; - struct visor_device *vdev = NULL; - struct visor_busdev id = { - .bus_no = bus_no, - .dev_no = dev_no - }; - - if (from) - dev_start = &from->device; - dev = bus_find_device(&visorbus_type, dev_start, (void *)&id, - match_visorbus_dev_by_id); - if (dev) - vdev = to_visor_device(dev); - return vdev; -} - static void controlvm_init_response(struct controlvm_message *msg, struct controlvm_message_header *msg_hdr, int response) @@ -374,18 +329,13 @@ static int chipset_init(struct controlvm_message *inmsg) goto out_respond; } chipset_inited = 1; - /* * Set features to indicate we support parahotplug (if Command also - * supports it). + * supports it). Set the "reply" bit so Command knows this is a + * features-aware driver. */ features = inmsg->cmd.init_chipset.features & VISOR_CHIPSET_FEATURE_PARA_HOTPLUG; - - /* - * Set the "reply" bit so Command knows this is a features-aware - * driver. - */ features |= VISOR_CHIPSET_FEATURE_REPLY; out_respond: @@ -396,20 +346,17 @@ out_respond: } static int controlvm_respond(struct controlvm_message_header *msg_hdr, - int response, - struct visor_segment_state *state) + int response, struct visor_segment_state *state) { struct controlvm_message outmsg; controlvm_init_response(&outmsg, msg_hdr, response); if (outmsg.hdr.flags.test_message == 1) return -EINVAL; - if (state) { outmsg.cmd.device_change_state.state = *state; outmsg.cmd.device_change_state.flags.phys_device = 1; } - return visorchannel_signalinsert(chipset_dev->controlvm_channel, CONTROLVM_QUEUE_REQUEST, &outmsg); } @@ -435,13 +382,11 @@ static int save_crash_message(struct controlvm_message *msg, "failed to read message count\n"); return err; } - if (local_crash_msg_count != CONTROLVM_CRASHMSG_MAX) { dev_err(&chipset_dev->acpi_device->dev, "invalid number of messages\n"); return -EIO; } - err = visorchannel_read(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, saved_crash_message_offset), @@ -451,13 +396,11 @@ static int save_crash_message(struct controlvm_message *msg, "failed to read offset\n"); return err; } - switch (cr_type) { case CRASH_DEV: local_crash_msg_offset += sizeof(struct controlvm_message); err = visorchannel_write(chipset_dev->controlvm_channel, - local_crash_msg_offset, - msg, + local_crash_msg_offset, msg, sizeof(struct controlvm_message)); if (err) { dev_err(&chipset_dev->acpi_device->dev, @@ -467,8 +410,7 @@ static int save_crash_message(struct controlvm_message *msg, break; case CRASH_BUS: err = visorchannel_write(chipset_dev->controlvm_channel, - local_crash_msg_offset, - msg, + local_crash_msg_offset, msg, sizeof(struct controlvm_message)); if (err) { dev_err(&chipset_dev->acpi_device->dev, @@ -488,33 +430,25 @@ static int controlvm_responder(enum controlvm_id cmd_id, struct controlvm_message_header *pending_msg_hdr, int response) { - if (!pending_msg_hdr) - return -EIO; - if (pending_msg_hdr->id != (u32)cmd_id) return -EINVAL; return controlvm_respond(pending_msg_hdr, response, NULL); } -static int device_changestate_responder( - enum controlvm_id cmd_id, - struct visor_device *p, int response, - struct visor_segment_state response_state) +static int device_changestate_responder(enum controlvm_id cmd_id, + struct visor_device *p, int response, + struct visor_segment_state state) { struct controlvm_message outmsg; - if (!p->pending_msg_hdr) - return -EIO; if (p->pending_msg_hdr->id != cmd_id) return -EINVAL; controlvm_init_response(&outmsg, p->pending_msg_hdr, response); - outmsg.cmd.device_change_state.bus_no = p->chipset_bus_no; outmsg.cmd.device_change_state.dev_no = p->chipset_dev_no; - outmsg.cmd.device_change_state.state = response_state; - + outmsg.cmd.device_change_state.state = state; return visorchannel_signalinsert(chipset_dev->controlvm_channel, CONTROLVM_QUEUE_REQUEST, &outmsg); } @@ -522,64 +456,55 @@ static int device_changestate_responder( static int visorbus_create(struct controlvm_message *inmsg) { struct controlvm_message_packet *cmd = &inmsg->cmd; - struct controlvm_message_header *pmsg_hdr = NULL; + struct controlvm_message_header *pmsg_hdr; u32 bus_no = cmd->create_bus.bus_no; struct visor_device *bus_info; struct visorchannel *visorchannel; int err; bus_info = visorbus_get_device_by_id(bus_no, BUS_ROOT_DEVICE, NULL); - if (bus_info && (bus_info->state.created == 1)) { + if (bus_info && bus_info->state.created == 1) { dev_err(&chipset_dev->acpi_device->dev, "failed %s: already exists\n", __func__); err = -EEXIST; goto err_respond; } - bus_info = kzalloc(sizeof(*bus_info), GFP_KERNEL); if (!bus_info) { err = -ENOMEM; goto err_respond; } - INIT_LIST_HEAD(&bus_info->list_all); bus_info->chipset_bus_no = bus_no; bus_info->chipset_dev_no = BUS_ROOT_DEVICE; - if (guid_equal(&cmd->create_bus.bus_inst_guid, &visor_siovm_guid)) { err = save_crash_message(inmsg, CRASH_BUS); if (err) goto err_free_bus_info; } - if (inmsg->hdr.flags.response_expected == 1) { - pmsg_hdr = kzalloc(sizeof(*pmsg_hdr), - GFP_KERNEL); + pmsg_hdr = kzalloc(sizeof(*pmsg_hdr), GFP_KERNEL); if (!pmsg_hdr) { err = -ENOMEM; goto err_free_bus_info; } - memcpy(pmsg_hdr, &inmsg->hdr, sizeof(struct controlvm_message_header)); bus_info->pending_msg_hdr = pmsg_hdr; } - visorchannel = visorchannel_create(cmd->create_bus.channel_addr, GFP_KERNEL, - &cmd->create_bus.bus_data_type_guid); + &cmd->create_bus.bus_data_type_guid, + false); if (!visorchannel) { err = -ENOMEM; goto err_free_pending_msg; } - bus_info->visorchannel = visorchannel; - /* Response will be handled by visorbus_create_instance on success */ err = visorbus_create_instance(bus_info); if (err) goto err_destroy_channel; - return 0; err_destroy_channel: @@ -599,9 +524,8 @@ err_respond: static int visorbus_destroy(struct controlvm_message *inmsg) { - struct controlvm_message_packet *cmd = &inmsg->cmd; - struct controlvm_message_header *pmsg_hdr = NULL; - u32 bus_no = cmd->destroy_bus.bus_no; + struct controlvm_message_header *pmsg_hdr; + u32 bus_no = inmsg->cmd.destroy_bus.bus_no; struct visor_device *bus_info; int err; @@ -625,12 +549,10 @@ static int visorbus_destroy(struct controlvm_message *inmsg) err = -ENOMEM; goto err_respond; } - memcpy(pmsg_hdr, &inmsg->hdr, sizeof(struct controlvm_message_header)); bus_info->pending_msg_hdr = pmsg_hdr; } - /* Response will be handled by visorbus_remove_instance */ visorbus_remove_instance(bus_info); return 0; @@ -646,51 +568,33 @@ static const guid_t *parser_id_get(struct parser_context *ctx) return &ctx->data.id; } -static void *parser_string_get(struct parser_context *ctx) +static void *parser_string_get(u8 *pscan, int nscan) { - u8 *pscan; - unsigned long nscan; int value_length; void *value; - int i; - pscan = ctx->curr; - if (!pscan) - return NULL; - nscan = ctx->bytes_remaining; if (nscan == 0) return NULL; - for (i = 0, value_length = -1; i < nscan; i++) - if (pscan[i] == '\0') { - value_length = i; - break; - } - /* '\0' was not included in the length */ - if (value_length < 0) - value_length = nscan; - - value = kmalloc(value_length + 1, GFP_KERNEL); + value_length = strnlen(pscan, nscan); + value = kzalloc(value_length + 1, GFP_KERNEL); if (!value) return NULL; if (value_length > 0) memcpy(value, pscan, value_length); - ((u8 *)(value))[value_length] = '\0'; return value; } static void *parser_name_get(struct parser_context *ctx) { - struct visor_controlvm_parameters_header *phdr = NULL; + struct visor_controlvm_parameters_header *phdr; phdr = &ctx->data; - if (phdr->name_offset + phdr->name_length > ctx->param_bytes) return NULL; - ctx->curr = (char *)&phdr + phdr->name_offset; ctx->bytes_remaining = phdr->name_length; - return parser_string_get(ctx); + return parser_string_get(ctx->curr, phdr->name_length); } static int visorbus_configure(struct controlvm_message *inmsg, @@ -715,20 +619,16 @@ static int visorbus_configure(struct controlvm_message *inmsg, err = -EIO; goto err_respond; } - - err = visorchannel_set_clientpartition - (bus_info->visorchannel, - cmd->configure_bus.guest_handle); + err = visorchannel_set_clientpartition(bus_info->visorchannel, + cmd->configure_bus.guest_handle); if (err) goto err_respond; - if (parser_ctx) { const guid_t *partition_guid = parser_id_get(parser_ctx); guid_copy(&bus_info->partition_guid, partition_guid); bus_info->name = parser_name_get(parser_ctx); } - if (inmsg->hdr.flags.response_expected == 1) controlvm_responder(inmsg->hdr.id, &inmsg->hdr, err); return 0; @@ -744,10 +644,10 @@ err_respond: static int visorbus_device_create(struct controlvm_message *inmsg) { struct controlvm_message_packet *cmd = &inmsg->cmd; - struct controlvm_message_header *pmsg_hdr = NULL; + struct controlvm_message_header *pmsg_hdr; u32 bus_no = cmd->create_device.bus_no; u32 dev_no = cmd->create_device.dev_no; - struct visor_device *dev_info = NULL; + struct visor_device *dev_info; struct visor_device *bus_info; struct visorchannel *visorchannel; int err; @@ -765,9 +665,8 @@ static int visorbus_device_create(struct controlvm_message *inmsg) err = -EINVAL; goto err_respond; } - dev_info = visorbus_get_device_by_id(bus_no, dev_no, NULL); - if (dev_info && (dev_info->state.created == 1)) { + if (dev_info && dev_info->state.created == 1) { dev_err(&chipset_dev->acpi_device->dev, "failed to get bus by id: %d/%d\n", bus_no, dev_no); err = -EEXIST; @@ -779,16 +678,14 @@ static int visorbus_device_create(struct controlvm_message *inmsg) err = -ENOMEM; goto err_respond; } - dev_info->chipset_bus_no = bus_no; dev_info->chipset_dev_no = dev_no; guid_copy(&dev_info->inst, &cmd->create_device.dev_inst_guid); dev_info->device.parent = &bus_info->device; - - visorchannel = - visorchannel_create_with_lock(cmd->create_device.channel_addr, - GFP_KERNEL, - &cmd->create_device.data_type_guid); + visorchannel = visorchannel_create(cmd->create_device.channel_addr, + GFP_KERNEL, + &cmd->create_device.data_type_guid, + true); if (!visorchannel) { dev_err(&chipset_dev->acpi_device->dev, "failed to create visorchannel: %d/%d\n", @@ -797,20 +694,20 @@ static int visorbus_device_create(struct controlvm_message *inmsg) goto err_free_dev_info; } dev_info->visorchannel = visorchannel; - guid_copy(&dev_info->channel_type_guid, &cmd->create_device.data_type_guid); - if (guid_equal(&cmd->create_device.data_type_guid, &visor_vhba_channel_guid)) { + guid_copy(&dev_info->channel_type_guid, + &cmd->create_device.data_type_guid); + if (guid_equal(&cmd->create_device.data_type_guid, + &visor_vhba_channel_guid)) { err = save_crash_message(inmsg, CRASH_DEV); if (err) goto err_destroy_visorchannel; } - if (inmsg->hdr.flags.response_expected == 1) { pmsg_hdr = kzalloc(sizeof(*pmsg_hdr), GFP_KERNEL); if (!pmsg_hdr) { err = -ENOMEM; goto err_destroy_visorchannel; } - memcpy(pmsg_hdr, &inmsg->hdr, sizeof(struct controlvm_message_header)); dev_info->pending_msg_hdr = pmsg_hdr; @@ -837,7 +734,7 @@ err_respond: static int visorbus_device_changestate(struct controlvm_message *inmsg) { struct controlvm_message_packet *cmd = &inmsg->cmd; - struct controlvm_message_header *pmsg_hdr = NULL; + struct controlvm_message_header *pmsg_hdr; u32 bus_no = cmd->device_change_state.bus_no; u32 dev_no = cmd->device_change_state.dev_no; struct visor_segment_state state = cmd->device_change_state.state; @@ -858,18 +755,17 @@ static int visorbus_device_changestate(struct controlvm_message *inmsg) err = -EIO; goto err_respond; } + if (inmsg->hdr.flags.response_expected == 1) { pmsg_hdr = kzalloc(sizeof(*pmsg_hdr), GFP_KERNEL); if (!pmsg_hdr) { err = -ENOMEM; goto err_respond; } - memcpy(pmsg_hdr, &inmsg->hdr, sizeof(struct controlvm_message_header)); dev_info->pending_msg_hdr = pmsg_hdr; } - if (state.alive == segment_state_running.alive && state.operating == segment_state_running.operating) /* Response will be sent from visorchipset_device_resume */ @@ -884,7 +780,6 @@ static int visorbus_device_changestate(struct controlvm_message *inmsg) err = visorchipset_device_pause(dev_info); if (err) goto err_respond; - return 0; err_respond: @@ -897,7 +792,7 @@ err_respond: static int visorbus_device_destroy(struct controlvm_message *inmsg) { struct controlvm_message_packet *cmd = &inmsg->cmd; - struct controlvm_message_header *pmsg_hdr = NULL; + struct controlvm_message_header *pmsg_hdr; u32 bus_no = cmd->destroy_device.bus_no; u32 dev_no = cmd->destroy_device.dev_no; struct visor_device *dev_info; @@ -928,7 +823,6 @@ static int visorbus_device_destroy(struct controlvm_message *inmsg) sizeof(struct controlvm_message_header)); dev_info->pending_msg_hdr = pmsg_hdr; } - kfree(dev_info->name); remove_visor_device(dev_info); return 0; @@ -995,11 +889,9 @@ static struct parahotplug_request *parahotplug_request_create( req = kmalloc(sizeof(*req), GFP_KERNEL); if (!req) return NULL; - req->id = parahotplug_next_id(); req->expiration = parahotplug_next_expiration(); req->msg = *msg; - return req; } @@ -1031,13 +923,12 @@ static int parahotplug_request_complete(int id, u16 active) { struct list_head *pos; struct list_head *tmp; + struct parahotplug_request *req; spin_lock(¶hotplug_request_list_lock); - /* Look for a request matching "id". */ list_for_each_safe(pos, tmp, ¶hotplug_request_list) { - struct parahotplug_request *req = - list_entry(pos, struct parahotplug_request, list); + req = list_entry(pos, struct parahotplug_request, list); if (req->id == id) { /* * Found a match. Remove it from the list and @@ -1054,7 +945,6 @@ static int parahotplug_request_complete(int id, u16 active) return 0; } } - spin_unlock(¶hotplug_request_list_lock); return -EINVAL; } @@ -1081,7 +971,6 @@ static ssize_t devicedisabled_store(struct device *dev, if (kstrtouint(buf, 10, &id)) return -EINVAL; - err = parahotplug_request_complete(id, 0); if (err < 0) return err; @@ -1110,7 +999,6 @@ static ssize_t deviceenabled_store(struct device *dev, if (kstrtouint(buf, 10, &id)) return -EINVAL; - parahotplug_request_complete(id, 1); return count; } @@ -1158,9 +1046,9 @@ static int parahotplug_request_kickoff(struct parahotplug_request *req) { struct controlvm_message_packet *cmd = &req->msg.cmd; char env_cmd[40], env_id[40], env_state[40], env_bus[40], env_dev[40], - env_func[40]; - char *envp[] = { - env_cmd, env_id, env_state, env_bus, env_dev, env_func, NULL + env_func[40]; + char *envp[] = { env_cmd, env_id, env_state, env_bus, env_dev, + env_func, NULL }; sprintf(env_cmd, "VISOR_PARAHOTPLUG=1"); @@ -1173,7 +1061,6 @@ static int parahotplug_request_kickoff(struct parahotplug_request *req) cmd->device_change_state.dev_no >> 3); sprintf(env_func, "VISOR_PARAHOTPLUG_FUNCTION=%d", cmd->device_change_state.dev_no & 0x7); - return kobject_uevent_env(&chipset_dev->acpi_device->dev.kobj, KOBJ_CHANGE, envp); } @@ -1191,7 +1078,6 @@ static int parahotplug_process_message(struct controlvm_message *inmsg) req = parahotplug_request_create(inmsg); if (!req) return -ENOMEM; - /* * For enable messages, just respond with success right away, we don't * need to wait to see if the enable was successful. @@ -1205,7 +1091,6 @@ static int parahotplug_process_message(struct controlvm_message *inmsg) parahotplug_request_destroy(req); return 0; } - /* * For disable messages, add the request to the request list before * kicking off the udev script. It won't get responded to until the @@ -1214,7 +1099,6 @@ static int parahotplug_process_message(struct controlvm_message *inmsg) spin_lock(¶hotplug_request_list_lock); list_add_tail(&req->list, ¶hotplug_request_list); spin_unlock(¶hotplug_request_list_lock); - err = parahotplug_request_kickoff(req); if (err) goto err_respond; @@ -1237,12 +1121,9 @@ static int chipset_ready_uevent(struct controlvm_message_header *msg_hdr) { int res; - res = kobject_uevent(&chipset_dev->acpi_device->dev.kobj, - KOBJ_ONLINE); - + res = kobject_uevent(&chipset_dev->acpi_device->dev.kobj, KOBJ_ONLINE); if (msg_hdr->flags.response_expected) controlvm_respond(msg_hdr, res, NULL); - return res; } @@ -1262,10 +1143,8 @@ static int chipset_selftest_uevent(struct controlvm_message_header *msg_hdr) sprintf(env_selftest, "SPARSP_SELFTEST=%d", 1); res = kobject_uevent_env(&chipset_dev->acpi_device->dev.kobj, KOBJ_CHANGE, envp); - if (msg_hdr->flags.response_expected) controlvm_respond(msg_hdr, res, NULL); - return res; } @@ -1279,11 +1158,10 @@ static int chipset_selftest_uevent(struct controlvm_message_header *msg_hdr) static int chipset_notready_uevent(struct controlvm_message_header *msg_hdr) { int res = kobject_uevent(&chipset_dev->acpi_device->dev.kobj, - KOBJ_OFFLINE); + KOBJ_OFFLINE); if (msg_hdr->flags.response_expected) controlvm_respond(msg_hdr, res, NULL); - return res; } @@ -1296,17 +1174,15 @@ static int unisys_vmcall(unsigned long tuple, unsigned long param) reg_ebx = param & 0xFFFFFFFF; reg_ecx = param >> 32; - cpuid(0x00000001, &cpuid_eax, &cpuid_ebx, &cpuid_ecx, &cpuid_edx); if (!(cpuid_ecx & 0x80000000)) return -EPERM; - __asm__ __volatile__(".byte 0x00f, 0x001, 0x0c1" : "=a"(result) : - "a"(tuple), "b"(reg_ebx), "c"(reg_ecx)); + "a"(tuple), "b"(reg_ebx), "c"(reg_ecx)); if (result) goto error; - return 0; + /* Need to convert from VMCALL error codes to Linux */ error: switch (result) { @@ -1330,8 +1206,8 @@ static int controlvm_channel_create(struct visorchipset_device *dev) if (err) return err; addr = dev->controlvm_params.address; - chan = visorchannel_create_with_lock(addr, GFP_KERNEL, - &visor_controlvm_channel_guid); + chan = visorchannel_create(addr, GFP_KERNEL, + &visor_controlvm_channel_guid, true); if (!chan) return -ENOMEM; dev->controlvm_channel = chan; @@ -1350,9 +1226,7 @@ static void setup_crash_devices_work_queue(struct work_struct *work) msg.hdr.id = CONTROLVM_CHIPSET_INIT; msg.cmd.init_chipset.bus_count = 23; msg.cmd.init_chipset.switch_count = 0; - chipset_init(&msg); - /* get saved message count */ if (visorchannel_read(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, @@ -1362,13 +1236,10 @@ static void setup_crash_devices_work_queue(struct work_struct *work) "failed to read channel\n"); return; } - if (local_crash_msg_count != CONTROLVM_CRASHMSG_MAX) { - dev_err(&chipset_dev->acpi_device->dev, - "invalid count\n"); + dev_err(&chipset_dev->acpi_device->dev, "invalid count\n"); return; } - /* get saved crash message offset */ if (visorchannel_read(chipset_dev->controlvm_channel, offsetof(struct visor_controlvm_channel, @@ -1378,7 +1249,6 @@ static void setup_crash_devices_work_queue(struct work_struct *work) "failed to read channel\n"); return; } - /* read create device message for storage bus offset */ if (visorchannel_read(chipset_dev->controlvm_channel, local_crash_msg_offset, @@ -1388,7 +1258,6 @@ static void setup_crash_devices_work_queue(struct work_struct *work) "failed to read channel\n"); return; } - /* read create device message for storage device */ if (visorchannel_read(chipset_dev->controlvm_channel, local_crash_msg_offset + @@ -1399,7 +1268,6 @@ static void setup_crash_devices_work_queue(struct work_struct *work) "failed to read channel\n"); return; } - /* reuse IOVM create bus message */ if (!local_crash_bus_msg.cmd.create_bus.channel_addr) { dev_err(&chipset_dev->acpi_device->dev, @@ -1407,7 +1275,6 @@ static void setup_crash_devices_work_queue(struct work_struct *work) return; } visorbus_create(&local_crash_bus_msg); - /* reuse create device message for storage device */ if (!local_crash_dev_msg.cmd.create_device.channel_addr) { dev_err(&chipset_dev->acpi_device->dev, @@ -1420,8 +1287,10 @@ static void setup_crash_devices_work_queue(struct work_struct *work) void visorbus_response(struct visor_device *bus_info, int response, int controlvm_id) { - controlvm_responder(controlvm_id, bus_info->pending_msg_hdr, response); + if (!bus_info->pending_msg_hdr) + return; + controlvm_responder(controlvm_id, bus_info->pending_msg_hdr, response); kfree(bus_info->pending_msg_hdr); bus_info->pending_msg_hdr = NULL; } @@ -1430,9 +1299,11 @@ void visorbus_device_changestate_response(struct visor_device *dev_info, int response, struct visor_segment_state state) { - device_changestate_responder(CONTROLVM_DEVICE_CHANGESTATE, - dev_info, response, state); + if (!dev_info->pending_msg_hdr) + return; + device_changestate_responder(CONTROLVM_DEVICE_CHANGESTATE, dev_info, + response, state); kfree(dev_info->pending_msg_hdr); dev_info->pending_msg_hdr = NULL; } @@ -1451,12 +1322,11 @@ static struct parser_context *parser_init_stream(u64 addr, u32 bytes, void *mapping; *retry = false; - /* alloc an extra byte to ensure payload is \0 terminated */ allocbytes = bytes + 1 + (sizeof(struct parser_context) - sizeof(struct visor_controlvm_parameters_header)); - if ((chipset_dev->controlvm_payload_bytes_buffered + bytes) - > MAX_CONTROLVM_PAYLOAD_BYTES) { + if ((chipset_dev->controlvm_payload_bytes_buffered + bytes) > + MAX_CONTROLVM_PAYLOAD_BYTES) { *retry = true; return NULL; } @@ -1465,7 +1335,6 @@ static struct parser_context *parser_init_stream(u64 addr, u32 bytes, *retry = true; return NULL; } - ctx->allocbytes = allocbytes; ctx->param_bytes = bytes; mapping = memremap(addr, bytes, MEMREMAP_WB); @@ -1475,7 +1344,6 @@ static struct parser_context *parser_init_stream(u64 addr, u32 bytes, memunmap(mapping); ctx->byte_stream = true; chipset_dev->controlvm_payload_bytes_buffered += ctx->param_bytes; - return ctx; err_finish_ctx: @@ -1508,14 +1376,13 @@ static int handle_command(struct controlvm_message inmsg, u64 channel_addr) /* create parsing context if necessary */ parm_addr = channel_addr + inmsg.hdr.payload_vm_offset; parm_bytes = inmsg.hdr.payload_bytes; - /* * Parameter and channel addresses within test messages actually lie * within our OS-controlled memory. We need to know that, because it * makes a difference in how we compute the virtual address. */ if (parm_bytes) { - bool retry = false; + bool retry; parser_ctx = parser_init_stream(parm_addr, parm_bytes, &retry); if (!parser_ctx && retry) @@ -1526,7 +1393,6 @@ static int handle_command(struct controlvm_message inmsg, u64 channel_addr) CONTROLVM_QUEUE_ACK, &ackmsg); if (err) return err; - switch (inmsg.hdr.id) { case CONTROLVM_CHIPSET_INIT: err = chipset_init(&inmsg); @@ -1580,7 +1446,6 @@ static int handle_command(struct controlvm_message inmsg, u64 channel_addr) -CONTROLVM_RESP_ID_UNKNOWN, NULL); break; } - if (parser_ctx) { parser_done(parser_ctx); parser_ctx = NULL; @@ -1599,14 +1464,13 @@ static int handle_command(struct controlvm_message inmsg, u64 channel_addr) static int read_controlvm_event(struct controlvm_message *msg) { int err = visorchannel_signalremove(chipset_dev->controlvm_channel, - CONTROLVM_QUEUE_EVENT, msg); + CONTROLVM_QUEUE_EVENT, msg); + if (err) return err; - /* got a message */ if (msg->hdr.flags.test_message == 1) return -EINVAL; - return 0; } @@ -1620,14 +1484,12 @@ static void parahotplug_process_list(void) struct list_head *tmp; spin_lock(¶hotplug_request_list_lock); - list_for_each_safe(pos, tmp, ¶hotplug_request_list) { struct parahotplug_request *req = list_entry(pos, struct parahotplug_request, list); if (!time_after_eq(jiffies, req->expiration)) continue; - list_del(pos); if (req->msg.hdr.flags.response_expected) controlvm_respond( @@ -1636,7 +1498,6 @@ static void parahotplug_process_list(void) &req->msg.cmd.device_change_state.state); parahotplug_request_destroy(req); } - spin_unlock(¶hotplug_request_list_lock); } @@ -1652,10 +1513,8 @@ static void controlvm_periodic_work(struct work_struct *work) CONTROLVM_QUEUE_RESPONSE, &inmsg); } while ((!err) && (++count < CONTROLVM_MESSAGE_MAX)); - if (err != -EAGAIN) goto schedule_out; - if (chipset_dev->controlvm_pending_msg_valid) { /* * we throttled processing of a prior msg, so try to process @@ -1667,7 +1526,6 @@ static void controlvm_periodic_work(struct work_struct *work) } else { err = read_controlvm_event(&inmsg); } - while (!err) { chipset_dev->most_recent_message_jiffies = jiffies; err = handle_command(inmsg, @@ -1681,7 +1539,6 @@ static void controlvm_periodic_work(struct work_struct *work) err = read_controlvm_event(&inmsg); } - /* parahotplug_worker */ parahotplug_process_list(); @@ -1697,17 +1554,12 @@ schedule_out: * it's been longer than MIN_IDLE_SECONDS since we processed * our last controlvm message; slow down the polling */ - if (chipset_dev->poll_jiffies != - POLLJIFFIES_CONTROLVMCHANNEL_SLOW) - chipset_dev->poll_jiffies = - POLLJIFFIES_CONTROLVMCHANNEL_SLOW; + if (chipset_dev->poll_jiffies != POLLJIFFIES_CONTROLVM_SLOW) + chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVM_SLOW; } else { - if (chipset_dev->poll_jiffies != - POLLJIFFIES_CONTROLVMCHANNEL_FAST) - chipset_dev->poll_jiffies = - POLLJIFFIES_CONTROLVMCHANNEL_FAST; + if (chipset_dev->poll_jiffies != POLLJIFFIES_CONTROLVM_FAST) + chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVM_FAST; } - schedule_delayed_work(&chipset_dev->periodic_controlvm_work, chipset_dev->poll_jiffies); } @@ -1720,20 +1572,16 @@ static int visorchipset_init(struct acpi_device *acpi_device) chipset_dev = kzalloc(sizeof(*chipset_dev), GFP_KERNEL); if (!chipset_dev) goto error; - err = controlvm_channel_create(chipset_dev); if (err) goto error_free_chipset_dev; - acpi_device->driver_data = chipset_dev; chipset_dev->acpi_device = acpi_device; - chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_FAST; - + chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVM_FAST; err = sysfs_create_groups(&chipset_dev->acpi_device->dev.kobj, visorchipset_dev_groups); if (err < 0) goto error_destroy_channel; - controlvm_channel = chipset_dev->controlvm_channel; if (!visor_check_channel(visorchannel_get_header(controlvm_channel), &chipset_dev->acpi_device->dev, @@ -1743,7 +1591,6 @@ static int visorchipset_init(struct acpi_device *acpi_device) VISOR_CONTROLVM_CHANNEL_VERSIONID, VISOR_CHANNEL_SIGNATURE)) goto error_delete_groups; - /* if booting in a crash kernel */ if (is_kdump_kernel()) INIT_DELAYED_WORK(&chipset_dev->periodic_controlvm_work, @@ -1751,16 +1598,13 @@ static int visorchipset_init(struct acpi_device *acpi_device) else INIT_DELAYED_WORK(&chipset_dev->periodic_controlvm_work, controlvm_periodic_work); - chipset_dev->most_recent_message_jiffies = jiffies; - chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVMCHANNEL_FAST; + chipset_dev->poll_jiffies = POLLJIFFIES_CONTROLVM_FAST; schedule_delayed_work(&chipset_dev->periodic_controlvm_work, chipset_dev->poll_jiffies); - err = visorbus_init(); if (err < 0) goto error_cancel_work; - return 0; error_cancel_work: @@ -1787,10 +1631,8 @@ static int visorchipset_exit(struct acpi_device *acpi_device) cancel_delayed_work_sync(&chipset_dev->periodic_controlvm_work); sysfs_remove_groups(&chipset_dev->acpi_device->dev.kobj, visorchipset_dev_groups); - visorchannel_destroy(chipset_dev->controlvm_channel); kfree(chipset_dev); - return 0; } @@ -1832,11 +1674,9 @@ static int __init init_unisys(void) if (!visorutil_spar_detect()) return -ENODEV; - result = acpi_bus_register_driver(&unisys_acpi_driver); if (result) return -ENODEV; - pr_info("Unisys Visorchipset Driver Loaded.\n"); return 0; }; diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c index 419dba89af06..0bcd3acb7b0c 100644 --- a/drivers/staging/unisys/visorhba/visorhba_main.c +++ b/drivers/staging/unisys/visorhba/visorhba_main.c @@ -17,6 +17,7 @@ #include <linux/debugfs.h> #include <linux/kthread.h> #include <linux/idr.h> +#include <linux/module.h> #include <linux/seq_file.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> @@ -39,7 +40,8 @@ static struct visor_channeltype_descriptor visorhba_channel_types[] = { /* Note that the only channel type we expect to be reported by the * bus driver is the VISOR_VHBA channel. */ - { VISOR_VHBA_CHANNEL_GUID, "sparvhba" }, + { VISOR_VHBA_CHANNEL_GUID, "sparvhba", sizeof(struct channel_header), + VISOR_VHBA_CHANNEL_VERSIONID }, {} }; @@ -818,9 +820,9 @@ static void do_scsi_linuxstat(struct uiscmdrsp *cmdrsp, memcpy(scsicmd->sense_buffer, cmdrsp->scsi.sensebuf, MAX_SENSE_SIZE); /* Do not log errors for disk-not-present inquiries */ - if ((cmdrsp->scsi.cmnd[0] == INQUIRY) && + if (cmdrsp->scsi.cmnd[0] == INQUIRY && (host_byte(cmdrsp->scsi.linuxstat) == DID_NO_CONNECT) && - (cmdrsp->scsi.addlstat == ADDL_SEL_TIMEOUT)) + cmdrsp->scsi.addlstat == ADDL_SEL_TIMEOUT) return; /* Okay see what our error_count is here.... */ vdisk = scsidev->hostdata; @@ -868,8 +870,8 @@ static void do_scsi_nolinuxstat(struct uiscmdrsp *cmdrsp, struct visordisk_info *vdisk; scsidev = scsicmd->device; - if ((cmdrsp->scsi.cmnd[0] == INQUIRY) && - (cmdrsp->scsi.bufflen >= MIN_INQUIRY_RESULT_LEN)) { + if (cmdrsp->scsi.cmnd[0] == INQUIRY && + cmdrsp->scsi.bufflen >= MIN_INQUIRY_RESULT_LEN) { if (cmdrsp->scsi.no_disk_result == 0) return; diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c index 9d8cbc52de8b..450f003743c0 100644 --- a/drivers/staging/unisys/visorinput/visorinput.c +++ b/drivers/staging/unisys/visorinput/visorinput.c @@ -23,6 +23,7 @@ #include <linux/fb.h> #include <linux/input.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/uuid.h> #include "visorbus.h" @@ -711,8 +712,9 @@ out: /* GUIDS for all channel types supported by this driver. */ static struct visor_channeltype_descriptor visorinput_channel_types[] = { - { VISOR_KEYBOARD_CHANNEL_GUID, "keyboard"}, - { VISOR_MOUSE_CHANNEL_GUID, "mouse"}, + { VISOR_KEYBOARD_CHANNEL_GUID, "keyboard", + sizeof(struct channel_header), 0 }, + { VISOR_MOUSE_CHANNEL_GUID, "mouse", sizeof(struct channel_header), 0 }, {} }; diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c index dc390eae2960..735d7e5fa86b 100644 --- a/drivers/staging/unisys/visornic/visornic_main.c +++ b/drivers/staging/unisys/visornic/visornic_main.c @@ -20,6 +20,7 @@ #include <linux/debugfs.h> #include <linux/etherdevice.h> +#include <linux/module.h> #include <linux/netdevice.h> #include <linux/kthread.h> #include <linux/skbuff.h> @@ -48,7 +49,8 @@ static struct visor_channeltype_descriptor visornic_channel_types[] = { /* Note that the only channel type we expect to be reported by the * bus driver is the VISOR_VNIC channel. */ - { VISOR_VNIC_CHANNEL_GUID, "ultravnic" }, + { VISOR_VNIC_CHANNEL_GUID, "ultravnic", sizeof(struct channel_header), + VISOR_VNIC_CHANNEL_VERSIONID }, {} }; MODULE_DEVICE_TABLE(visorbus, visornic_channel_types); @@ -899,7 +901,7 @@ static int visornic_xmit(struct sk_buff *skb, struct net_device *netdev) return NETDEV_TX_OK; } - if ((len < ETH_MIN_PACKET_SIZE) && + if (len < ETH_MIN_PACKET_SIZE && ((skb_end_pointer(skb) - skb->data) >= ETH_MIN_PACKET_SIZE)) { /* pad the packet out to minimum size */ padlen = ETH_MIN_PACKET_SIZE - len; @@ -1450,7 +1452,7 @@ static ssize_t info_debugfs_read(struct file *file, char __user *buf, rcu_read_lock(); for_each_netdev_rcu(current->nsproxy->net_ns, dev) { /* Only consider netdevs that are visornic, and are open */ - if ((dev->netdev_ops != &visornic_dev_ops) || + if (dev->netdev_ops != &visornic_dev_ops || (!netif_queue_stopped(dev))) continue; @@ -1680,7 +1682,7 @@ static void service_resp_queue(struct uiscmdrsp *cmdrsp, /* only call queue wake if we stopped it */ netdev = ((struct sk_buff *)cmdrsp->net.buf)->dev; /* ASSERT netdev == vnicinfo->netdev; */ - if ((netdev == devdata->netdev) && + if (netdev == devdata->netdev && netif_queue_stopped(netdev)) { /* check if we have crossed the lower watermark * for netif_wake_queue() diff --git a/drivers/staging/vboxvideo/Makefile b/drivers/staging/vboxvideo/Makefile index 2d0b3bc7ad73..3f6094aa9cdf 100644 --- a/drivers/staging/vboxvideo/Makefile +++ b/drivers/staging/vboxvideo/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Iinclude/drm vboxvideo-y := hgsmi_base.o modesetting.o vbva_base.o \ diff --git a/drivers/staging/vboxvideo/vbox_drv.h b/drivers/staging/vboxvideo/vbox_drv.h index 4b9302703b36..eeac4f0cb2c6 100644 --- a/drivers/staging/vboxvideo/vbox_drv.h +++ b/drivers/staging/vboxvideo/vbox_drv.h @@ -137,8 +137,8 @@ struct vbox_connector { char name[32]; struct vbox_crtc *vbox_crtc; struct { - u16 width; - u16 height; + u32 width; + u32 height; bool disconnected; } mode_hint; }; @@ -150,8 +150,8 @@ struct vbox_crtc { unsigned int crtc_id; u32 fb_offset; bool cursor_enabled; - u16 x_hint; - u16 y_hint; + u32 x_hint; + u32 y_hint; }; struct vbox_encoder { diff --git a/drivers/staging/vboxvideo/vbox_irq.c b/drivers/staging/vboxvideo/vbox_irq.c index 3ca8bec62ac4..74abdf02d9fd 100644 --- a/drivers/staging/vboxvideo/vbox_irq.c +++ b/drivers/staging/vboxvideo/vbox_irq.c @@ -150,8 +150,8 @@ static void vbox_update_mode_hints(struct vbox_private *vbox) disconnected = !(hints->enabled); crtc_id = vbox_conn->vbox_crtc->crtc_id; - vbox_conn->mode_hint.width = hints->cx & 0x8fff; - vbox_conn->mode_hint.height = hints->cy & 0x8fff; + vbox_conn->mode_hint.width = hints->cx; + vbox_conn->mode_hint.height = hints->cy; vbox_conn->vbox_crtc->x_hint = hints->dx; vbox_conn->vbox_crtc->y_hint = hints->dy; vbox_conn->mode_hint.disconnected = disconnected; diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c index 257a77830410..6f08dc966719 100644 --- a/drivers/staging/vboxvideo/vbox_mode.c +++ b/drivers/staging/vboxvideo/vbox_mode.c @@ -553,12 +553,22 @@ static int vbox_get_modes(struct drm_connector *connector) ++num_modes; } vbox_set_edid(connector, preferred_width, preferred_height); - drm_object_property_set_value( - &connector->base, vbox->dev->mode_config.suggested_x_property, - vbox_connector->vbox_crtc->x_hint); - drm_object_property_set_value( - &connector->base, vbox->dev->mode_config.suggested_y_property, - vbox_connector->vbox_crtc->y_hint); + + if (vbox_connector->vbox_crtc->x_hint != -1) + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_x_property, + vbox_connector->vbox_crtc->x_hint); + else + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_x_property, 0); + + if (vbox_connector->vbox_crtc->y_hint != -1) + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_y_property, + vbox_connector->vbox_crtc->y_hint); + else + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_y_property, 0); return num_modes; } @@ -640,9 +650,9 @@ static int vbox_connector_init(struct drm_device *dev, drm_mode_create_suggested_offset_properties(dev); drm_object_attach_property(&connector->base, - dev->mode_config.suggested_x_property, -1); + dev->mode_config.suggested_x_property, 0); drm_object_attach_property(&connector->base, - dev->mode_config.suggested_y_property, -1); + dev->mode_config.suggested_y_property, 0); drm_connector_register(connector); drm_mode_connector_attach_encoder(connector, encoder); diff --git a/drivers/staging/vc04_services/Kconfig b/drivers/staging/vc04_services/Kconfig index 9e2763663ab8..f5aaf7d629f0 100644 --- a/drivers/staging/vc04_services/Kconfig +++ b/drivers/staging/vc04_services/Kconfig @@ -19,18 +19,6 @@ config BCM2835_VCHIQ Defaults to Y when the Broadcom Videocore services are included in the build, N otherwise. -if BCM2835_VCHIQ - -config BCM2835_VCHIQ_SUPPORT_MEMDUMP - bool "Support dumping memory contents to debug log" - help - BCM2835 VCHIQ supports the ability to dump the - contents of memory to the debug log. This - is typically only needed by diagnostic tools used - to debug issues with VideoCore. - -endif - source "drivers/staging/vc04_services/bcm2835-audio/Kconfig" source "drivers/staging/vc04_services/bcm2835-camera/Kconfig" diff --git a/drivers/staging/vc04_services/Makefile b/drivers/staging/vc04_services/Makefile index e9a8e1343cbb..1ecb261e04ae 100644 --- a/drivers/staging/vc04_services/Makefile +++ b/drivers/staging/vc04_services/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_BCM2835_VCHIQ) += vchiq.o vchiq-objs := \ diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c index 94654c0c7bba..7e68b3e28246 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c @@ -65,7 +65,6 @@ void bcm2835_playback_fifo(struct bcm2835_alsa_stream *alsa_stream) unsigned int consumed = 0; int new_period = 0; - audio_info("alsa_stream=%p substream=%p\n", alsa_stream, alsa_stream ? alsa_stream->substream : 0); @@ -111,7 +110,6 @@ static int snd_bcm2835_playback_open_generic( int idx; int err; - if (mutex_lock_interruptible(&chip->audio_mutex)) { audio_error("Interrupted whilst waiting for lock\n"); return -EINTR; @@ -184,7 +182,6 @@ static int snd_bcm2835_playback_open_generic( out: mutex_unlock(&chip->audio_mutex); - return err; } @@ -207,7 +204,6 @@ static int snd_bcm2835_playback_close(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime; struct bcm2835_alsa_stream *alsa_stream; - chip = snd_pcm_substream_chip(substream); if (mutex_lock_interruptible(&chip->audio_mutex)) { audio_error("Interrupted whilst waiting for lock\n"); @@ -259,7 +255,6 @@ static int snd_bcm2835_pcm_hw_params(struct snd_pcm_substream *substream, struct bcm2835_alsa_stream *alsa_stream = runtime->private_data; int err; - err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); if (err < 0) { audio_error @@ -289,7 +284,6 @@ static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream) int channels; int err; - if (mutex_lock_interruptible(&chip->audio_mutex)) return -EINTR; @@ -307,13 +301,11 @@ static int snd_bcm2835_pcm_prepare(struct snd_pcm_substream *substream) if (err < 0) audio_error(" error setting hw params\n"); - bcm2835_audio_setup(alsa_stream); /* in preparation of the stream, set the controls (volume level) of the stream */ bcm2835_audio_set_ctls(alsa_stream->chip); - memset(&alsa_stream->pcm_indirect, 0, sizeof(alsa_stream->pcm_indirect)); alsa_stream->pcm_indirect.hw_buffer_size = @@ -364,7 +356,6 @@ static int snd_bcm2835_pcm_trigger(struct snd_pcm_substream *substream, int cmd) struct bcm2835_alsa_stream *alsa_stream = runtime->private_data; int err = 0; - switch (cmd) { case SNDRV_PCM_TRIGGER_START: audio_debug("bcm2835_AUDIO_TRIGGER_START running=%d\n", @@ -416,7 +407,6 @@ snd_bcm2835_pcm_pointer(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct bcm2835_alsa_stream *alsa_stream = runtime->private_data; - audio_debug("pcm_pointer... (%d) hwptr=%d appl=%d pos=%d\n", 0, frames_to_bytes(runtime, runtime->status->hw_ptr), frames_to_bytes(runtime, runtime->control->appl_ptr), @@ -493,7 +483,6 @@ int snd_bcm2835_new_pcm(struct bcm2835_chip *chip, u32 numchannels) snd_bcm2835_playback_hw.buffer_bytes_max, snd_bcm2835_playback_hw.buffer_bytes_max); - out: mutex_unlock(&chip->audio_mutex); diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c index 4be864dbd41c..3c6f1d91d22d 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-vchiq.c @@ -337,7 +337,6 @@ static int vc_vchi_audio_deinit(struct bcm2835_audio_instance *instance) { unsigned int i; - if (!instance) { LOG_ERR("%s: invalid handle %p\n", __func__, instance); @@ -369,7 +368,6 @@ static int vc_vchi_audio_deinit(struct bcm2835_audio_instance *instance) kfree(instance); - return 0; } @@ -382,7 +380,6 @@ static int bcm2835_audio_open_connection(struct bcm2835_alsa_stream *alsa_stream (struct bcm2835_audio_instance *)alsa_stream->instance; int ret; - LOG_INFO("%s: start\n", __func__); BUG_ON(instance); if (instance) { @@ -438,7 +435,6 @@ int bcm2835_audio_open(struct bcm2835_alsa_stream *alsa_stream) int status; int ret; - my_workqueue_init(alsa_stream); ret = bcm2835_audio_open_connection(alsa_stream); @@ -486,7 +482,6 @@ static int bcm2835_audio_set_ctls_chan(struct bcm2835_alsa_stream *alsa_stream, int status; int ret; - LOG_INFO(" Setting ALSA dest(%d), volume(%d)\n", chip->dest, chip->volume); @@ -570,7 +565,6 @@ int bcm2835_audio_set_params(struct bcm2835_alsa_stream *alsa_stream, int status; int ret; - LOG_INFO(" Setting ALSA channels(%d), samplerate(%d), bits-per-sample(%d)\n", channels, samplerate, bps); @@ -631,7 +625,6 @@ unlock: int bcm2835_audio_setup(struct bcm2835_alsa_stream *alsa_stream) { - return 0; } @@ -642,7 +635,6 @@ static int bcm2835_audio_start_worker(struct bcm2835_alsa_stream *alsa_stream) int status; int ret; - if (mutex_lock_interruptible(&instance->vchi_mutex)) { LOG_DBG("Interrupted whilst waiting for lock on (%d)\n", instance->num_connections); @@ -679,7 +671,6 @@ static int bcm2835_audio_stop_worker(struct bcm2835_alsa_stream *alsa_stream) int status; int ret; - if (mutex_lock_interruptible(&instance->vchi_mutex)) { LOG_DBG("Interrupted whilst waiting for lock on (%d)\n", instance->num_connections); @@ -717,7 +708,6 @@ int bcm2835_audio_close(struct bcm2835_alsa_stream *alsa_stream) int status; int ret; - my_workqueue_quit(alsa_stream); if (mutex_lock_interruptible(&instance->vchi_mutex)) { @@ -775,7 +765,6 @@ static int bcm2835_audio_write_worker(struct bcm2835_alsa_stream *alsa_stream, int status; int ret; - LOG_INFO(" Writing %d bytes from %p\n", count, src); if (mutex_lock_interruptible(&instance->vchi_mutex)) { diff --git a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h index 379604d3554e..f1e43e45fd67 100644 --- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h +++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.h @@ -123,8 +123,6 @@ struct bcm2835_alsa_stream { struct snd_pcm_indirect pcm_indirect; spinlock_t lock; - volatile unsigned int control; - volatile unsigned int status; int open; int running; diff --git a/drivers/staging/vc04_services/bcm2835-camera/Makefile b/drivers/staging/vc04_services/bcm2835-camera/Makefile index 8307f30517d5..2a4565e682d8 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/Makefile +++ b/drivers/staging/vc04_services/bcm2835-camera/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 bcm2835-v4l2-$(CONFIG_VIDEO_BCM2835) := \ bcm2835-camera.o \ controls.o \ diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h index 52cdf4da1b47..5a1b2a7d8eb0 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-msg.h @@ -70,7 +70,7 @@ enum mmal_msg_type { /* port action request messages differ depending on the action type */ enum mmal_msg_port_action_type { - MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unkown action */ + MMAL_MSG_PORT_ACTION_TYPE_UNKNOWN = 0, /* Unknown action */ MMAL_MSG_PORT_ACTION_TYPE_ENABLE, /* Enable a port */ MMAL_MSG_PORT_ACTION_TYPE_DISABLE, /* Disable a port */ MMAL_MSG_PORT_ACTION_TYPE_FLUSH, /* Flush a port */ @@ -217,36 +217,36 @@ struct mmal_msg_port_action_reply { #define MMAL_VC_SHORT_DATA 128 /** Signals that the current payload is the end of the stream of data */ -#define MMAL_BUFFER_HEADER_FLAG_EOS (1<<0) +#define MMAL_BUFFER_HEADER_FLAG_EOS BIT(0) /** Signals that the start of the current payload starts a frame */ -#define MMAL_BUFFER_HEADER_FLAG_FRAME_START (1<<1) +#define MMAL_BUFFER_HEADER_FLAG_FRAME_START BIT(1) /** Signals that the end of the current payload ends a frame */ -#define MMAL_BUFFER_HEADER_FLAG_FRAME_END (1<<2) +#define MMAL_BUFFER_HEADER_FLAG_FRAME_END BIT(2) /** Signals that the current payload contains only complete frames (>1) */ #define MMAL_BUFFER_HEADER_FLAG_FRAME \ (MMAL_BUFFER_HEADER_FLAG_FRAME_START|MMAL_BUFFER_HEADER_FLAG_FRAME_END) /** Signals that the current payload is a keyframe (i.e. self decodable) */ -#define MMAL_BUFFER_HEADER_FLAG_KEYFRAME (1<<3) +#define MMAL_BUFFER_HEADER_FLAG_KEYFRAME BIT(3) /** Signals a discontinuity in the stream of data (e.g. after a seek). * Can be used for instance by a decoder to reset its state */ -#define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY (1<<4) +#define MMAL_BUFFER_HEADER_FLAG_DISCONTINUITY BIT(4) /** Signals a buffer containing some kind of config data for the component * (e.g. codec config data) */ -#define MMAL_BUFFER_HEADER_FLAG_CONFIG (1<<5) +#define MMAL_BUFFER_HEADER_FLAG_CONFIG BIT(5) /** Signals an encrypted payload */ -#define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED (1<<6) +#define MMAL_BUFFER_HEADER_FLAG_ENCRYPTED BIT(6) /** Signals a buffer containing side information */ -#define MMAL_BUFFER_HEADER_FLAG_CODECSIDEINFO (1<<7) +#define MMAL_BUFFER_HEADER_FLAG_CODECSIDEINFO BIT(7) /** Signals a buffer which is the snapshot/postview image from a stills * capture */ -#define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT (1<<8) +#define MMAL_BUFFER_HEADER_FLAGS_SNAPSHOT BIT(8) /** Signals a buffer which contains data known to be corrupted */ -#define MMAL_BUFFER_HEADER_FLAG_CORRUPTED (1<<9) +#define MMAL_BUFFER_HEADER_FLAG_CORRUPTED BIT(9) /** Signals that a buffer failed to be transmitted */ -#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED (1<<10) +#define MMAL_BUFFER_HEADER_FLAG_TRANSMISSION_FAILED BIT(10) struct mmal_driver_buffer { u32 magic; diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c index 4360db6d4392..6ea7fb0ea50e 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c @@ -1963,7 +1963,7 @@ int vchiq_mmal_finalise(struct vchiq_mmal_instance *instance) status = vchi_service_close(instance->handle); if (status != 0) - pr_err("mmal-vchiq: VCHIQ close failed"); + pr_err("mmal-vchiq: VCHIQ close failed\n"); mutex_unlock(&instance->vchiq_mutex); diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h index 63db053532bf..db39900c9d91 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.h @@ -130,7 +130,7 @@ int vchiq_mmal_component_disable( /* enable a mmal port * * enables a port and if a buffer callback provided enque buffer - * headers as apropriate for the port. + * headers as appropriate for the port. */ int vchiq_mmal_port_enable( struct vchiq_mmal_instance *instance, diff --git a/drivers/staging/vc04_services/interface/vchi/connections/connection.h b/drivers/staging/vc04_services/interface/vchi/connections/connection.h index e793cdf2847c..67c84386c65a 100644 --- a/drivers/staging/vc04_services/interface/vchi/connections/connection.h +++ b/drivers/staging/vc04_services/interface/vchi/connections/connection.h @@ -54,7 +54,6 @@ typedef struct opaque_vchi_connection_info_t VCHI_CONNECTION_STATE_T; typedef struct vchi_connection_t VCHI_CONNECTION_T; - /****************************************************************************** API *****************************************************************************/ @@ -212,7 +211,6 @@ typedef void * (*VCHI_BUFFER_ALLOCATE)(VCHI_CONNECTION_SERVICE_HANDLE_T service_ // free memory allocated by buffer_allocate typedef void (*VCHI_BUFFER_FREE)(VCHI_CONNECTION_SERVICE_HANDLE_T service_handle, void * address); - /****************************************************************************** System driver struct *****************************************************************************/ @@ -321,7 +319,6 @@ struct vchi_connection_t { #endif }; - #endif /* CONNECTION_H_ */ /****************************** End of file **********************************/ diff --git a/drivers/staging/vc04_services/interface/vchi/message_drivers/message.h b/drivers/staging/vc04_services/interface/vchi/message_drivers/message.h index a7740a425388..834263f278cf 100644 --- a/drivers/staging/vc04_services/interface/vchi/message_drivers/message.h +++ b/drivers/staging/vc04_services/interface/vchi/message_drivers/message.h @@ -41,7 +41,6 @@ #include "interface/vchi/vchi_cfg_internal.h" #include "interface/vchi/vchi_common.h" - typedef enum message_event_type { MESSAGE_EVENT_NONE, MESSAGE_EVENT_NOP, @@ -111,7 +110,6 @@ typedef struct rx_bulk_slotinfo_t { VCHI_FLAGS_T flags; } RX_BULK_SLOTINFO_T; - /* ---------------------------------------------------------------------- * each connection driver will have a pool of the following struct. * @@ -155,7 +153,6 @@ typedef struct { } MESSAGE_EVENT_T; - // callbacks typedef void VCHI_MESSAGE_DRIVER_EVENT_CALLBACK_T( void *state ); @@ -163,7 +160,6 @@ typedef struct { VCHI_MESSAGE_DRIVER_EVENT_CALLBACK_T *event_callback; } VCHI_MESSAGE_DRIVER_OPEN_T; - // handle to this instance of message driver (as returned by ->open) typedef struct opaque_mhandle_t *VCHI_MDRIVER_HANDLE_T; @@ -195,7 +191,6 @@ struct opaque_vchi_message_driver_t { void (*debug)( VCHI_MDRIVER_HANDLE_T *handle ); }; - #endif // _VCHI_MESSAGE_H_ /****************************** End of file ***********************************/ diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h index addb7b00b688..66a3a060fad2 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi.h @@ -39,7 +39,6 @@ #include "interface/vchi/connections/connection.h" #include "vchi_mh.h" - /****************************************************************************** Global defs *****************************************************************************/ @@ -92,7 +91,6 @@ typedef struct vchi_msg_vector_ex { } u; } VCHI_MSG_VECTOR_EX_T; - // Construct an entry in a msg vector for a pointer (p) of length (l) #define VCHI_VEC_POINTER(p,l) VCHI_VEC_POINTER, { { (VCHI_MEM_HANDLE_T)(p), (l) } } @@ -103,7 +101,6 @@ typedef struct vchi_msg_vector_ex { #define MAKE_FOURCC(x) ((int32_t)( (x[0] << 24) | (x[1] << 16) | (x[2] << 8) | x[3] )) #define FOURCC_TO_CHAR(x) (x >> 24) & 0xFF,(x >> 16) & 0xFF,(x >> 8) & 0xFF, x & 0xFF - // Opaque service information struct opaque_vchi_service_t; @@ -114,8 +111,6 @@ typedef struct { void *message; } VCHI_HELD_MSG_T; - - // structure used to provide the information needed to open a server or a client typedef struct { struct vchi_version version; @@ -162,7 +157,6 @@ extern "C" { extern /*@observer@*/ VCHI_CONNECTION_T * vchi_create_connection( const VCHI_CONNECTION_API_T * function_table, const VCHI_MESSAGE_DRIVER_T * low_level); - // Routine used to initialise the vchi on both local + remote connections extern int32_t vchi_initialise( VCHI_INSTANCE_T *instance_handle ); @@ -185,7 +179,6 @@ extern void * vchi_allocate_buffer(VCHI_SERVICE_HANDLE_T handle, uint32_t *lengt extern void vchi_free_buffer(VCHI_SERVICE_HANDLE_T handle, void *address); extern uint32_t vchi_current_time(VCHI_INSTANCE_T instance_handle); - /****************************************************************************** Global service API *****************************************************************************/ @@ -194,7 +187,7 @@ extern int32_t vchi_service_create( VCHI_INSTANCE_T instance_handle, SERVICE_CREATION_T *setup, VCHI_SERVICE_HANDLE_T *handle ); -// Routine to destory a service +// Routine to destroy a service extern int32_t vchi_service_destroy( const VCHI_SERVICE_HANDLE_T handle ); // Routine to open a named service @@ -307,7 +300,6 @@ extern int32_t vchi_msg_iter_hold_next( VCHI_MSG_ITER_T *iter, uint32_t *msg_size, // } VCHI_HELD_MSG_T *message ); - /****************************************************************************** Global bulk API *****************************************************************************/ @@ -319,7 +311,6 @@ extern int32_t vchi_bulk_queue_receive( VCHI_SERVICE_HANDLE_T handle, VCHI_FLAGS_T flags, void *transfer_handle ); - // Prepare interface for a transfer from the other side into relocatable memory. int32_t vchi_bulk_queue_receive_reloc( const VCHI_SERVICE_HANDLE_T handle, VCHI_MEM_HANDLE_T h_dst, @@ -335,7 +326,6 @@ extern int32_t vchi_bulk_queue_transmit( VCHI_SERVICE_HANDLE_T handle, VCHI_FLAGS_T flags, void *transfer_handle ); - /****************************************************************************** Configuration plumbing *****************************************************************************/ diff --git a/drivers/staging/vc04_services/interface/vchi/vchi_common.h b/drivers/staging/vc04_services/interface/vchi/vchi_common.h index 45c2070d46b0..76e10fe65d9b 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi_common.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi_common.h @@ -34,7 +34,6 @@ #ifndef VCHI_COMMON_H_ #define VCHI_COMMON_H_ - //flags used when sending messages (must be bitmapped) typedef enum { VCHI_FLAGS_NONE = 0x0, @@ -118,14 +117,11 @@ typedef enum { VCHI_SERVICE_OPTION_MAX } VCHI_SERVICE_OPTION_T; - //Callback used by all services / bulk transfers typedef void (*VCHI_CALLBACK_T)(void *callback_param, //my service local param VCHI_CALLBACK_REASON_T reason, void *handle); //for transmitting msg's only - - /* * Define vector struct for scatter-gather (vector) operations * Vectors can be nested - if a vector element has negative length, then @@ -154,7 +150,6 @@ typedef struct opaque_vchi_connection_api_t VCHI_CONNECTION_API_T; // Opaque type for a message driver typedef struct opaque_vchi_message_driver_t VCHI_MESSAGE_DRIVER_T; - // Iterator structure for reading ahead through received message queue. Allocated by client, // initialised by vchi_msg_look_ahead. Fields are for internal VCHI use only. // Iterates over messages in queue at the instant of the call to vchi_msg_lookahead - @@ -168,5 +163,4 @@ typedef struct { void *remove; } VCHI_MSG_ITER_T; - #endif // VCHI_COMMON_H_ diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c index be08849175ea..eea2d78b0ec6 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c @@ -59,10 +59,10 @@ #define BELL0 0x00 #define BELL2 0x08 -typedef struct vchiq_2835_state_struct { +struct vchiq_2835_state { int inited; VCHIQ_ARM_STATE_T arm_state; -} VCHIQ_2835_ARM_STATE_T; +}; struct vchiq_pagelist_info { PAGELIST_T *pagelist; @@ -84,8 +84,6 @@ static char *g_free_fragments; static struct semaphore g_free_fragments_sema; static struct device *g_dev; -extern int vchiq_arm_log_level; - static DEFINE_SEMAPHORE(g_free_fragments_mutex); static irqreturn_t @@ -206,25 +204,31 @@ VCHIQ_STATUS_T vchiq_platform_init_state(VCHIQ_STATE_T *state) { VCHIQ_STATUS_T status = VCHIQ_SUCCESS; + struct vchiq_2835_state *platform_state; + + state->platform_state = kzalloc(sizeof(*platform_state), GFP_KERNEL); + platform_state = (struct vchiq_2835_state *)state->platform_state; + + platform_state->inited = 1; + status = vchiq_arm_init_state(state, &platform_state->arm_state); - state->platform_state = kzalloc(sizeof(VCHIQ_2835_ARM_STATE_T), GFP_KERNEL); - ((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->inited = 1; - status = vchiq_arm_init_state(state, &((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->arm_state); if (status != VCHIQ_SUCCESS) - { - ((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->inited = 0; - } + platform_state->inited = 0; + return status; } VCHIQ_ARM_STATE_T* vchiq_platform_get_arm_state(VCHIQ_STATE_T *state) { - if (!((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->inited) - { + struct vchiq_2835_state *platform_state; + + platform_state = (struct vchiq_2835_state *)state->platform_state; + + if (!platform_state->inited) BUG(); - } - return &((VCHIQ_2835_ARM_STATE_T *)state->platform_state)->arm_state; + + return &platform_state->arm_state; } void @@ -383,12 +387,12 @@ cleanup_pagelistinfo(struct vchiq_pagelist_info *pagelistinfo) } /* There is a potential problem with partial cache lines (pages?) -** at the ends of the block when reading. If the CPU accessed anything in -** the same line (page?) then it may have pulled old data into the cache, -** obscuring the new data underneath. We can solve this by transferring the -** partial cache lines separately, and allowing the ARM to copy into the -** cached area. -*/ + * at the ends of the block when reading. If the CPU accessed anything in + * the same line (page?) then it may have pulled old data into the cache, + * obscuring the new data underneath. We can solve this by transferring the + * partial cache lines separately, and allowing the ARM to copy into the + * cached area. + */ static struct vchiq_pagelist_info * create_pagelist(char __user *buf, size_t count, unsigned short type, @@ -415,15 +419,15 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, sizeof(struct vchiq_pagelist_info); /* Allocate enough storage to hold the page pointers and the page - ** list - */ + * list + */ pagelist = dma_zalloc_coherent(g_dev, pagelist_size, &dma_addr, GFP_KERNEL); - vchiq_log_trace(vchiq_arm_log_level, "create_pagelist - %pK", - pagelist); + vchiq_log_trace(vchiq_arm_log_level, "%s - %pK", __func__, pagelist); + if (!pagelist) return NULL; @@ -483,9 +487,8 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, if (actual_pages != num_pages) { vchiq_log_info(vchiq_arm_log_level, - "create_pagelist - only %d/%d pages locked", - actual_pages, - num_pages); + "%s - only %d/%d pages locked", + __func__, actual_pages, num_pages); /* This is probably due to the process being killed */ while (actual_pages > 0) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index 314ffac50bb8..411539f8ff8c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -109,9 +109,7 @@ static const char *const resume_state_names[] = { * requested */ #define FORCE_SUSPEND_TIMEOUT_MS 200 - -static void suspend_timer_callback(unsigned long context); - +static void suspend_timer_callback(struct timer_list *t); typedef struct user_service_struct { VCHIQ_SERVICE_T *service; @@ -195,11 +193,6 @@ static const char *const ioctl_names[] = { vchiq_static_assert(ARRAY_SIZE(ioctl_names) == (VCHIQ_IOC_MAX + 1)); -#if defined(CONFIG_BCM2835_VCHIQ_SUPPORT_MEMDUMP) -static void -dump_phys_mem(void *virt_addr, u32 num_bytes); -#endif - /**************************************************************************** * * add_completion @@ -1161,20 +1154,6 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg) args.handle, args.option, args.value); } break; -#if defined(CONFIG_BCM2835_VCHIQ_SUPPORT_MEMDUMP) - case VCHIQ_IOC_DUMP_PHYS_MEM: { - VCHIQ_DUMP_MEM_T args; - - if (copy_from_user - (&args, (const void __user *)arg, - sizeof(args)) != 0) { - ret = -EFAULT; - break; - } - dump_phys_mem(args.virt_addr, args.num_bytes); - } break; -#endif - case VCHIQ_IOC_LIB_VERSION: { unsigned int lib_version = (unsigned int)arg; @@ -1654,42 +1633,6 @@ vchiq_compat_ioctl_get_config(struct file *file, return vchiq_ioctl(file, VCHIQ_IOC_GET_CONFIG, (unsigned long)args); } -#if defined(CONFIG_BCM2835_VCHIQ_SUPPORT_MEMDUMP) - -struct vchiq_dump_mem32 { - compat_uptr_t virt_addr; - u32 num_bytes; -}; - -#define VCHIQ_IOC_DUMP_PHYS_MEM32 \ - _IOW(VCHIQ_IOC_MAGIC, 15, struct vchiq_dump_mem32) - -static long -vchiq_compat_ioctl_dump_phys_mem(struct file *file, - unsigned int cmd, - unsigned long arg) -{ - VCHIQ_DUMP_MEM_T *args; - struct vchiq_dump_mem32 args32; - - args = compat_alloc_user_space(sizeof(*args)); - if (!args) - return -EFAULT; - - if (copy_from_user(&args32, - (struct vchiq_dump_mem32 *)arg, - sizeof(args32))) - return -EFAULT; - - if (put_user(compat_ptr(args32.virt_addr), &args->virt_addr) || - put_user(args32.num_bytes, &args->num_bytes)) - return -EFAULT; - - return vchiq_ioctl(file, VCHIQ_IOC_DUMP_PHYS_MEM, (unsigned long)args); -} - -#endif - static long vchiq_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { @@ -1707,10 +1650,6 @@ vchiq_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) return vchiq_compat_ioctl_dequeue_message(file, cmd, arg); case VCHIQ_IOC_GET_CONFIG32: return vchiq_compat_ioctl_get_config(file, cmd, arg); -#if defined(CONFIG_BCM2835_VCHIQ_SUPPORT_MEMDUMP) - case VCHIQ_IOC_DUMP_PHYS_MEM32: - return vchiq_compat_ioctl_dump_phys_mem(file, cmd, arg); -#endif default: return vchiq_ioctl(file, cmd, arg); } @@ -2050,98 +1989,6 @@ vchiq_dump_platform_service_state(void *dump_context, VCHIQ_SERVICE_T *service) /**************************************************************************** * -* dump_user_mem -* -***************************************************************************/ - -#if defined(CONFIG_BCM2835_VCHIQ_SUPPORT_MEMDUMP) - -static void -dump_phys_mem(void *virt_addr, u32 num_bytes) -{ - int rc; - u8 *end_virt_addr = virt_addr + num_bytes; - int num_pages; - int offset; - int end_offset; - int page_idx; - int prev_idx; - struct page *page; - struct page **pages; - u8 *kmapped_virt_ptr; - - /* Align virt_addr and end_virt_addr to 16 byte boundaries. */ - - virt_addr = (void *)((unsigned long)virt_addr & ~0x0fuL); - end_virt_addr = (void *)(((unsigned long)end_virt_addr + 15uL) & - ~0x0fuL); - - offset = (int)(long)virt_addr & (PAGE_SIZE - 1); - end_offset = (int)(long)end_virt_addr & (PAGE_SIZE - 1); - - num_pages = DIV_ROUND_UP(offset + num_bytes, PAGE_SIZE); - - pages = kmalloc(sizeof(struct page *) * num_pages, GFP_KERNEL); - if (!pages) { - vchiq_log_error(vchiq_arm_log_level, - "Unable to allocation memory for %d pages\n", - num_pages); - return; - } - - down_read(¤t->mm->mmap_sem); - rc = get_user_pages( - (unsigned long)virt_addr, /* start */ - num_pages, /* len */ - 0, /* gup_flags */ - pages, /* pages (array of page pointers) */ - NULL); /* vmas */ - up_read(¤t->mm->mmap_sem); - - prev_idx = -1; - page = NULL; - - if (rc < 0) { - vchiq_log_error(vchiq_arm_log_level, - "Failed to get user pages: %d\n", rc); - goto out; - } - - while (offset < end_offset) { - int page_offset = offset % PAGE_SIZE; - - page_idx = offset / PAGE_SIZE; - if (page_idx != prev_idx) { - if (page != NULL) - kunmap(page); - page = pages[page_idx]; - kmapped_virt_ptr = kmap(page); - prev_idx = page_idx; - } - - if (vchiq_arm_log_level >= VCHIQ_LOG_TRACE) - vchiq_log_dump_mem("ph", - (u32)(unsigned long)&kmapped_virt_ptr[ - page_offset], - &kmapped_virt_ptr[page_offset], 16); - - offset += 16; - } - -out: - if (page != NULL) - kunmap(page); - - for (page_idx = 0; page_idx < num_pages; page_idx++) - put_page(pages[page_idx]); - - kfree(pages); -} - -#endif - -/**************************************************************************** -* * vchiq_read * ***************************************************************************/ @@ -2307,8 +2154,6 @@ exit: return 0; } - - VCHIQ_STATUS_T vchiq_arm_init_state(VCHIQ_STATE_T *state, VCHIQ_ARM_STATE_T *arm_state) { @@ -2339,8 +2184,9 @@ vchiq_arm_init_state(VCHIQ_STATE_T *state, VCHIQ_ARM_STATE_T *arm_state) arm_state->suspend_timer_timeout = SUSPEND_TIMER_TIMEOUT_MS; arm_state->suspend_timer_running = 0; - setup_timer(&arm_state->suspend_timer, suspend_timer_callback, - (unsigned long)(state)); + arm_state->state = state; + timer_setup(&arm_state->suspend_timer, suspend_timer_callback, + 0); arm_state->first_connect = 0; @@ -2469,7 +2315,6 @@ set_resume_state(VCHIQ_ARM_STATE_T *arm_state, } } - /* should be called with the write lock held */ inline void start_suspend_timer(VCHIQ_ARM_STATE_T *arm_state) @@ -2589,7 +2434,6 @@ vchiq_arm_vcsuspend(VCHIQ_STATE_T *state) vchiq_log_trace(vchiq_susp_log_level, "%s", __func__); status = VCHIQ_SUCCESS; - switch (arm_state->vc_suspend_state) { case VC_SUSPEND_REQUESTED: vchiq_log_info(vchiq_susp_log_level, "%s: suspend already " @@ -2654,7 +2498,6 @@ out: return; } - static void output_timeout_error(VCHIQ_STATE_T *state) { @@ -2834,7 +2677,6 @@ out: return; } - int vchiq_arm_allow_resume(VCHIQ_STATE_T *state) { @@ -2996,7 +2838,6 @@ vchiq_use_internal(VCHIQ_STATE_T *state, VCHIQ_SERVICE_T *service, "%s %s count %d, state count %d", __func__, entity, *entity_uc, local_uc); - write_unlock_bh(&arm_state->susp_res_lock); /* Completion is in a done state when we're not suspended, so this won't @@ -3177,18 +3018,14 @@ vchiq_instance_set_trace(VCHIQ_INSTANCE_T instance, int trace) instance->trace = (trace != 0); } -static void suspend_timer_callback(unsigned long context) +static void suspend_timer_callback(struct timer_list *t) { - VCHIQ_STATE_T *state = (VCHIQ_STATE_T *)context; - VCHIQ_ARM_STATE_T *arm_state = vchiq_platform_get_arm_state(state); + VCHIQ_ARM_STATE_T *arm_state = from_timer(arm_state, t, suspend_timer); + VCHIQ_STATE_T *state = arm_state->state; - if (!arm_state) - goto out; vchiq_log_info(vchiq_susp_log_level, "%s - suspend timer expired - check suspend", __func__); vchiq_check_suspend(state); -out: - return; } VCHIQ_STATUS_T diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h index bfbd81d9db33..40bb0c63b1a9 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h @@ -42,7 +42,6 @@ #include "vchiq_core.h" #include "vchiq_debugfs.h" - enum vc_suspend_status { VC_SUSPEND_FORCE_CANCELED = -3, /* Force suspend canceled, too busy */ VC_SUSPEND_REJECTED = -2, /* Videocore rejected suspend request */ @@ -61,15 +60,12 @@ enum vc_resume_status { VC_RESUME_RESUMED /* Videocore resumed successfully (active) */ }; - enum USE_TYPE_E { USE_TYPE_SERVICE, USE_TYPE_SERVICE_NO_RESUME, USE_TYPE_VCHIQ }; - - typedef struct vchiq_arm_state_struct { /* Keepalive-related data */ struct task_struct *ka_thread; @@ -87,6 +83,7 @@ typedef struct vchiq_arm_state_struct { unsigned int wake_address; + VCHIQ_STATE_T *state; struct timer_list suspend_timer; int suspend_timer_timeout; int suspend_timer_running; @@ -216,5 +213,4 @@ set_resume_state(VCHIQ_ARM_STATE_T *arm_state, extern void start_suspend_timer(VCHIQ_ARM_STATE_T *arm_state); - #endif /* VCHIQ_ARM_H */ diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c index 486be990d7fc..ecff92bae200 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.c @@ -130,7 +130,6 @@ static const char *const conn_state_names[] = { "RESUME_TIMEOUT" }; - static void release_message_sync(VCHIQ_STATE_T *state, VCHIQ_HEADER_T *header); @@ -2168,7 +2167,6 @@ slot_handler_func(void *v) break; } - } DEBUG_TRACE(SLOT_HANDLER_LINE); @@ -2177,7 +2175,6 @@ slot_handler_func(void *v) return 0; } - /* Called by the recycle thread */ static int recycle_func(void *v) @@ -2193,7 +2190,6 @@ recycle_func(void *v) return 0; } - /* Called by the sync thread */ static int sync_func(void *v) @@ -2301,7 +2297,6 @@ sync_func(void *v) return 0; } - static void init_bulk_queue(VCHIQ_BULK_QUEUE_T *queue) { @@ -2312,14 +2307,12 @@ init_bulk_queue(VCHIQ_BULK_QUEUE_T *queue) queue->remove = 0; } - inline const char * get_conn_state_name(VCHIQ_CONNSTATE_T conn_state) { return conn_state_names[conn_state]; } - VCHIQ_SLOT_ZERO_T * vchiq_init_slots(void *mem_base, int mem_size) { @@ -2958,8 +2951,7 @@ vchiq_close_service_internal(VCHIQ_SERVICE_T *service, int close_recvd) case VCHIQ_SRVSTATE_OPENSYNC: mutex_lock(&state->sync_mutex); - /* Drop through */ - + /* fall through */ case VCHIQ_SRVSTATE_OPEN: if (state->is_master || close_recvd) { if (!do_abort_bulks(service)) @@ -3296,7 +3288,6 @@ vchiq_remove_service(VCHIQ_SERVICE_HANDLE_T handle) return status; } - /* This function may be called by kernel threads or user threads. * User threads may receive VCHIQ_RETRY to indicate that a signal has been * received and the call should be retried after being returned to user @@ -3876,7 +3867,6 @@ vchiq_dump_service_state(void *dump_context, VCHIQ_SERVICE_T *service) vchiq_dump_platform_service_state(dump_context, service); } - void vchiq_loud_error_header(void) { @@ -3901,7 +3891,6 @@ vchiq_loud_error_footer(void) "================"); } - VCHIQ_STATUS_T vchiq_send_remote_use(VCHIQ_STATE_T *state) { VCHIQ_STATUS_T status = VCHIQ_RETRY; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h index 9e164652548a..afc1d8144a84 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_core.h @@ -702,7 +702,6 @@ vchiq_platform_handle_timeout(VCHIQ_STATE_T *state); extern void vchiq_set_conn_state(VCHIQ_STATE_T *state, VCHIQ_CONNSTATE_T newstate); - extern void vchiq_log_dump_mem(const char *label, uint32_t addr, const void *voidMem, size_t numBytes); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c index 9367a9a5aa3c..766b4fe5f32c 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_debugfs.c @@ -32,7 +32,6 @@ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ - #include <linux/debugfs.h> #include "vchiq_core.h" #include "vchiq_arm.h" @@ -52,7 +51,6 @@ #define VCHIQ_LOG_INFO_STR "info" #define VCHIQ_LOG_TRACE_STR "trace" - /* Top-level debug info */ struct vchiq_debugfs_info { /* Global 'vchiq' debugfs entry used by all instances */ @@ -316,7 +314,6 @@ void vchiq_debugfs_remove_instance(VCHIQ_INSTANCE_T instance) debugfs_remove_recursive(node->dentry); } - int vchiq_debugfs_init(void) { BUG_ON(debugfs_info.vchiq_cfg_dir != NULL); diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion index 9f5b6344b9b7..dd1f324a8654 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_genversion @@ -1,4 +1,5 @@ #!/usr/bin/perl -w +# SPDX-License-Identifier: GPL-2.0 use strict; diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c index 8af95fc361ed..d465e1cf5db9 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c @@ -41,14 +41,14 @@ #define vchiq_status_to_vchi(status) ((int32_t)status) -typedef struct { +struct shim_service { VCHIQ_SERVICE_HANDLE_T handle; VCHIU_QUEUE_T queue; VCHI_CALLBACK_T callback; void *callback_param; -} SHIM_SERVICE_T; +}; /* ---------------------------------------------------------------------- * return pointer to the mphi message driver function table @@ -84,7 +84,6 @@ VCHI_CONNECTION_T *vchi_create_connection( * void **data, * uint32_t *msg_size, - * VCHI_FLAGS_T flags * * Description: Routine to return a pointer to the current message (to allow in @@ -99,7 +98,7 @@ int32_t vchi_msg_peek(VCHI_SERVICE_HANDLE_T handle, uint32_t *msg_size, VCHI_FLAGS_T flags) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_HEADER_T *header; WARN_ON((flags != VCHI_FLAGS_NONE) && @@ -131,7 +130,7 @@ EXPORT_SYMBOL(vchi_msg_peek); ***********************************************************/ int32_t vchi_msg_remove(VCHI_SERVICE_HANDLE_T handle) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_HEADER_T *header; header = vchiu_queue_pop(&service->queue); @@ -163,7 +162,7 @@ int32_t vchi_msg_queue(VCHI_SERVICE_HANDLE_T handle, void *context, uint32_t data_size) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_STATUS_T status; while (1) { @@ -262,7 +261,7 @@ int32_t vchi_bulk_queue_receive(VCHI_SERVICE_HANDLE_T handle, VCHI_FLAGS_T flags, void *bulk_handle) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_BULK_MODE_T mode; VCHIQ_STATUS_T status; @@ -322,7 +321,7 @@ int32_t vchi_bulk_queue_transmit(VCHI_SERVICE_HANDLE_T handle, VCHI_FLAGS_T flags, void *bulk_handle) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_BULK_MODE_T mode; VCHIQ_STATUS_T status; @@ -384,7 +383,7 @@ int32_t vchi_msg_dequeue(VCHI_SERVICE_HANDLE_T handle, uint32_t *actual_msg_size, VCHI_FLAGS_T flags) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_HEADER_T *header; WARN_ON((flags != VCHI_FLAGS_NONE) && @@ -458,7 +457,7 @@ int32_t vchi_msg_hold(VCHI_SERVICE_HANDLE_T handle, VCHI_FLAGS_T flags, VCHI_HELD_MSG_T *message_handle) { - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_HEADER_T *header; WARN_ON((flags != VCHI_FLAGS_NONE) && @@ -541,7 +540,6 @@ int32_t vchi_connect(VCHI_CONNECTION_T **connections, } EXPORT_SYMBOL(vchi_connect); - /*********************************************************** * Name: vchi_disconnect * @@ -561,7 +559,6 @@ int32_t vchi_disconnect(VCHI_INSTANCE_T instance_handle) } EXPORT_SYMBOL(vchi_disconnect); - /*********************************************************** * Name: vchi_service_open * Name: vchi_service_create @@ -579,8 +576,8 @@ EXPORT_SYMBOL(vchi_disconnect); static VCHIQ_STATUS_T shim_callback(VCHIQ_REASON_T reason, VCHIQ_HEADER_T *header, VCHIQ_SERVICE_HANDLE_T handle, void *bulk_user) { - SHIM_SERVICE_T *service = - (SHIM_SERVICE_T *)VCHIQ_GET_SERVICE_USERDATA(handle); + struct shim_service *service = + (struct shim_service *)VCHIQ_GET_SERVICE_USERDATA(handle); if (!service->callback) goto release; @@ -637,10 +634,10 @@ done: return VCHIQ_SUCCESS; } -static SHIM_SERVICE_T *service_alloc(VCHIQ_INSTANCE_T instance, +static struct shim_service *service_alloc(VCHIQ_INSTANCE_T instance, SERVICE_CREATION_T *setup) { - SHIM_SERVICE_T *service = kzalloc(sizeof(SHIM_SERVICE_T), GFP_KERNEL); + struct shim_service *service = kzalloc(sizeof(struct shim_service), GFP_KERNEL); (void)instance; @@ -657,7 +654,7 @@ static SHIM_SERVICE_T *service_alloc(VCHIQ_INSTANCE_T instance, return service; } -static void service_free(SHIM_SERVICE_T *service) +static void service_free(struct shim_service *service) { if (service) { vchiu_queue_delete(&service->queue); @@ -670,7 +667,7 @@ int32_t vchi_service_open(VCHI_INSTANCE_T instance_handle, VCHI_SERVICE_HANDLE_T *handle) { VCHIQ_INSTANCE_T instance = (VCHIQ_INSTANCE_T)instance_handle; - SHIM_SERVICE_T *service = service_alloc(instance, setup); + struct shim_service *service = service_alloc(instance, setup); *handle = (VCHI_SERVICE_HANDLE_T)service; @@ -703,7 +700,7 @@ int32_t vchi_service_create(VCHI_INSTANCE_T instance_handle, VCHI_SERVICE_HANDLE_T *handle) { VCHIQ_INSTANCE_T instance = (VCHIQ_INSTANCE_T)instance_handle; - SHIM_SERVICE_T *service = service_alloc(instance, setup); + struct shim_service *service = service_alloc(instance, setup); *handle = (VCHI_SERVICE_HANDLE_T)service; @@ -733,7 +730,7 @@ EXPORT_SYMBOL(vchi_service_create); int32_t vchi_service_close(const VCHI_SERVICE_HANDLE_T handle) { int32_t ret = -1; - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; if (service) { VCHIQ_STATUS_T status = vchiq_close_service(service->handle); @@ -751,7 +748,7 @@ EXPORT_SYMBOL(vchi_service_close); int32_t vchi_service_destroy(const VCHI_SERVICE_HANDLE_T handle) { int32_t ret = -1; - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; if (service) { VCHIQ_STATUS_T status = vchiq_remove_service(service->handle); @@ -772,7 +769,7 @@ int32_t vchi_service_set_option(const VCHI_SERVICE_HANDLE_T handle, int value) { int32_t ret = -1; - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; VCHIQ_SERVICE_OPTION_T vchiq_option; switch (option) { @@ -801,7 +798,7 @@ EXPORT_SYMBOL(vchi_service_set_option); int32_t vchi_get_peer_version(const VCHI_SERVICE_HANDLE_T handle, short *peer_version) { int32_t ret = -1; - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; if (service) { @@ -828,7 +825,7 @@ int32_t vchi_service_use(const VCHI_SERVICE_HANDLE_T handle) { int32_t ret = -1; - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; if (service) ret = vchiq_status_to_vchi(vchiq_use_service(service->handle)); return ret; @@ -849,7 +846,7 @@ int32_t vchi_service_release(const VCHI_SERVICE_HANDLE_T handle) { int32_t ret = -1; - SHIM_SERVICE_T *service = (SHIM_SERVICE_T *)handle; + struct shim_service *service = (struct shim_service *)handle; if (service) ret = vchiq_status_to_vchi( vchiq_release_service(service->handle)); diff --git a/drivers/staging/vme/devices/Kconfig b/drivers/staging/vme/devices/Kconfig index 1d2ff0cc41f1..c548dd8c91e1 100644 --- a/drivers/staging/vme/devices/Kconfig +++ b/drivers/staging/vme/devices/Kconfig @@ -10,16 +10,3 @@ config VME_USER To compile this driver as a module, choose M here. The module will be called vme_user. If unsure, say N. - -config VME_PIO2 - tristate "GE PIO2 VME" - depends on STAGING && GPIOLIB - help - Say Y here to include support for the GE PIO2. The PIO2 is a 6U VME - slave card, implementing 32 solid-state relay switched IO lines, in - 4 groups of 8. Each bank of IO lines is built to function as input, - output or both depending on the variant of the card. - - To compile this driver as a module, choose M here. The module will - be called vme_pio2. If unsure, say N. - diff --git a/drivers/staging/vme/devices/Makefile b/drivers/staging/vme/devices/Makefile index 172512cb5dbf..459742a75283 100644 --- a/drivers/staging/vme/devices/Makefile +++ b/drivers/staging/vme/devices/Makefile @@ -3,6 +3,3 @@ # obj-$(CONFIG_VME_USER) += vme_user.o - -vme_pio2-objs := vme_pio2_cntr.o vme_pio2_gpio.o vme_pio2_core.o -obj-$(CONFIG_VME_PIO2) += vme_pio2.o diff --git a/drivers/staging/vme/devices/vme_pio2.h b/drivers/staging/vme/devices/vme_pio2.h deleted file mode 100644 index ac4a4bad4091..000000000000 --- a/drivers/staging/vme/devices/vme_pio2.h +++ /dev/null @@ -1,244 +0,0 @@ -#ifndef _VME_PIO2_H_ -#define _VME_PIO2_H_ - -#define PIO2_CARDS_MAX 32 - -#define PIO2_VARIANT_LENGTH 5 - -#define PIO2_NUM_CHANNELS 32 -#define PIO2_NUM_IRQS 11 -#define PIO2_NUM_CNTRS 6 - -#define PIO2_REGS_SIZE 0x40 - -#define PIO2_REGS_DATA0 0x0 -#define PIO2_REGS_DATA1 0x1 -#define PIO2_REGS_DATA2 0x2 -#define PIO2_REGS_DATA3 0x3 - -static const int PIO2_REGS_DATA[4] = { PIO2_REGS_DATA0, PIO2_REGS_DATA1, - PIO2_REGS_DATA2, PIO2_REGS_DATA3 }; - -#define PIO2_REGS_INT_STAT0 0x8 -#define PIO2_REGS_INT_STAT1 0x9 -#define PIO2_REGS_INT_STAT2 0xa -#define PIO2_REGS_INT_STAT3 0xb - -static const int PIO2_REGS_INT_STAT[4] = { PIO2_REGS_INT_STAT0, - PIO2_REGS_INT_STAT1, - PIO2_REGS_INT_STAT2, - PIO2_REGS_INT_STAT3 }; - -#define PIO2_REGS_INT_STAT_CNTR 0xc -#define PIO2_REGS_INT_MASK0 0x10 -#define PIO2_REGS_INT_MASK1 0x11 -#define PIO2_REGS_INT_MASK2 0x12 -#define PIO2_REGS_INT_MASK3 0x13 -#define PIO2_REGS_INT_MASK4 0x14 -#define PIO2_REGS_INT_MASK5 0x15 -#define PIO2_REGS_INT_MASK6 0x16 -#define PIO2_REGS_INT_MASK7 0x17 - -static const int PIO2_REGS_INT_MASK[8] = { PIO2_REGS_INT_MASK0, - PIO2_REGS_INT_MASK1, - PIO2_REGS_INT_MASK2, - PIO2_REGS_INT_MASK3, - PIO2_REGS_INT_MASK4, - PIO2_REGS_INT_MASK5, - PIO2_REGS_INT_MASK6, - PIO2_REGS_INT_MASK7 }; - -#define PIO2_REGS_CTRL 0x18 -#define PIO2_REGS_VME_VECTOR 0x19 -#define PIO2_REGS_CNTR0 0x20 -#define PIO2_REGS_CNTR1 0x22 -#define PIO2_REGS_CNTR2 0x24 -#define PIO2_REGS_CTRL_WRD0 0x26 -#define PIO2_REGS_CNTR3 0x28 -#define PIO2_REGS_CNTR4 0x2a -#define PIO2_REGS_CNTR5 0x2c -#define PIO2_REGS_CTRL_WRD1 0x2e - -#define PIO2_REGS_ID 0x30 - -/* PIO2_REGS_DATAx (0x0 - 0x3) */ - -static const int PIO2_CHANNEL_BANK[32] = { 0, 0, 0, 0, 0, 0, 0, 0, - 1, 1, 1, 1, 1, 1, 1, 1, - 2, 2, 2, 2, 2, 2, 2, 2, - 3, 3, 3, 3, 3, 3, 3, 3 }; - -#define PIO2_CHANNEL0_BIT BIT(0) -#define PIO2_CHANNEL1_BIT BIT(1) -#define PIO2_CHANNEL2_BIT BIT(2) -#define PIO2_CHANNEL3_BIT BIT(3) -#define PIO2_CHANNEL4_BIT BIT(4) -#define PIO2_CHANNEL5_BIT BIT(5) -#define PIO2_CHANNEL6_BIT BIT(6) -#define PIO2_CHANNEL7_BIT BIT(7) -#define PIO2_CHANNEL8_BIT BIT(0) -#define PIO2_CHANNEL9_BIT BIT(1) -#define PIO2_CHANNEL10_BIT BIT(2) -#define PIO2_CHANNEL11_BIT BIT(3) -#define PIO2_CHANNEL12_BIT BIT(4) -#define PIO2_CHANNEL13_BIT BIT(5) -#define PIO2_CHANNEL14_BIT BIT(6) -#define PIO2_CHANNEL15_BIT BIT(7) -#define PIO2_CHANNEL16_BIT BIT(0) -#define PIO2_CHANNEL17_BIT BIT(1) -#define PIO2_CHANNEL18_BIT BIT(2) -#define PIO2_CHANNEL19_BIT BIT(3) -#define PIO2_CHANNEL20_BIT BIT(4) -#define PIO2_CHANNEL21_BIT BIT(5) -#define PIO2_CHANNEL22_BIT BIT(6) -#define PIO2_CHANNEL23_BIT BIT(7) -#define PIO2_CHANNEL24_BIT BIT(0) -#define PIO2_CHANNEL25_BIT BIT(1) -#define PIO2_CHANNEL26_BIT BIT(2) -#define PIO2_CHANNEL27_BIT BIT(3) -#define PIO2_CHANNEL28_BIT BIT(4) -#define PIO2_CHANNEL29_BIT BIT(5) -#define PIO2_CHANNEL30_BIT BIT(6) -#define PIO2_CHANNEL31_BIT BIT(7) - -static const int PIO2_CHANNEL_BIT[32] = { PIO2_CHANNEL0_BIT, PIO2_CHANNEL1_BIT, - PIO2_CHANNEL2_BIT, PIO2_CHANNEL3_BIT, - PIO2_CHANNEL4_BIT, PIO2_CHANNEL5_BIT, - PIO2_CHANNEL6_BIT, PIO2_CHANNEL7_BIT, - PIO2_CHANNEL8_BIT, PIO2_CHANNEL9_BIT, - PIO2_CHANNEL10_BIT, PIO2_CHANNEL11_BIT, - PIO2_CHANNEL12_BIT, PIO2_CHANNEL13_BIT, - PIO2_CHANNEL14_BIT, PIO2_CHANNEL15_BIT, - PIO2_CHANNEL16_BIT, PIO2_CHANNEL17_BIT, - PIO2_CHANNEL18_BIT, PIO2_CHANNEL19_BIT, - PIO2_CHANNEL20_BIT, PIO2_CHANNEL21_BIT, - PIO2_CHANNEL22_BIT, PIO2_CHANNEL23_BIT, - PIO2_CHANNEL24_BIT, PIO2_CHANNEL25_BIT, - PIO2_CHANNEL26_BIT, PIO2_CHANNEL27_BIT, - PIO2_CHANNEL28_BIT, PIO2_CHANNEL29_BIT, - PIO2_CHANNEL30_BIT, PIO2_CHANNEL31_BIT - }; - -/* PIO2_REGS_INT_STAT_CNTR (0xc) */ -#define PIO2_COUNTER0 BIT(0) -#define PIO2_COUNTER1 BIT(1) -#define PIO2_COUNTER2 BIT(2) -#define PIO2_COUNTER3 BIT(3) -#define PIO2_COUNTER4 BIT(4) -#define PIO2_COUNTER5 BIT(5) - -static const int PIO2_COUNTER[6] = { PIO2_COUNTER0, PIO2_COUNTER1, - PIO2_COUNTER2, PIO2_COUNTER3, - PIO2_COUNTER4, PIO2_COUNTER5 }; - -/* PIO2_REGS_CTRL (0x18) */ -#define PIO2_VME_INT_MASK 0x7 -#define PIO2_LED BIT(6) -#define PIO2_LOOP BIT(7) - -/* PIO2_REGS_VME_VECTOR (0x19) */ -#define PIO2_VME_VECTOR_SPUR 0x0 -#define PIO2_VME_VECTOR_BANK0 0x1 -#define PIO2_VME_VECTOR_BANK1 0x2 -#define PIO2_VME_VECTOR_BANK2 0x3 -#define PIO2_VME_VECTOR_BANK3 0x4 -#define PIO2_VME_VECTOR_CNTR0 0x5 -#define PIO2_VME_VECTOR_CNTR1 0x6 -#define PIO2_VME_VECTOR_CNTR2 0x7 -#define PIO2_VME_VECTOR_CNTR3 0x8 -#define PIO2_VME_VECTOR_CNTR4 0x9 -#define PIO2_VME_VECTOR_CNTR5 0xa - -#define PIO2_VME_VECTOR_MASK 0xf0 - -static const int PIO2_VECTOR_BANK[4] = { PIO2_VME_VECTOR_BANK0, - PIO2_VME_VECTOR_BANK1, - PIO2_VME_VECTOR_BANK2, - PIO2_VME_VECTOR_BANK3 }; - -static const int PIO2_VECTOR_CNTR[6] = { PIO2_VME_VECTOR_CNTR0, - PIO2_VME_VECTOR_CNTR1, - PIO2_VME_VECTOR_CNTR2, - PIO2_VME_VECTOR_CNTR3, - PIO2_VME_VECTOR_CNTR4, - PIO2_VME_VECTOR_CNTR5 }; - -/* PIO2_REGS_CNTRx (0x20 - 0x24 & 0x28 - 0x2c) */ - -static const int PIO2_CNTR_DATA[6] = { PIO2_REGS_CNTR0, PIO2_REGS_CNTR1, - PIO2_REGS_CNTR2, PIO2_REGS_CNTR3, - PIO2_REGS_CNTR4, PIO2_REGS_CNTR5 }; - -/* PIO2_REGS_CTRL_WRDx (0x26 & 0x2e) */ - -static const int PIO2_CNTR_CTRL[6] = { PIO2_REGS_CTRL_WRD0, - PIO2_REGS_CTRL_WRD0, - PIO2_REGS_CTRL_WRD0, - PIO2_REGS_CTRL_WRD1, - PIO2_REGS_CTRL_WRD1, - PIO2_REGS_CTRL_WRD1 }; - -#define PIO2_CNTR_SC_DEV0 0 -#define PIO2_CNTR_SC_DEV1 (1 << 6) -#define PIO2_CNTR_SC_DEV2 (2 << 6) -#define PIO2_CNTR_SC_RDBACK (3 << 6) - -static const int PIO2_CNTR_SC_DEV[6] = { PIO2_CNTR_SC_DEV0, PIO2_CNTR_SC_DEV1, - PIO2_CNTR_SC_DEV2, PIO2_CNTR_SC_DEV0, - PIO2_CNTR_SC_DEV1, PIO2_CNTR_SC_DEV2 }; - -#define PIO2_CNTR_RW_LATCH 0 -#define PIO2_CNTR_RW_LSB (1 << 4) -#define PIO2_CNTR_RW_MSB (2 << 4) -#define PIO2_CNTR_RW_BOTH (3 << 4) - -#define PIO2_CNTR_MODE0 0 -#define PIO2_CNTR_MODE1 (1 << 1) -#define PIO2_CNTR_MODE2 (2 << 1) -#define PIO2_CNTR_MODE3 (3 << 1) -#define PIO2_CNTR_MODE4 (4 << 1) -#define PIO2_CNTR_MODE5 (5 << 1) - -#define PIO2_CNTR_BCD 1 - -enum pio2_bank_config { NOFIT, INPUT, OUTPUT, BOTH }; -enum pio2_int_config { NONE = 0, LOW2HIGH = 1, HIGH2LOW = 2, EITHER = 4 }; - -/* Bank configuration structure */ -struct pio2_io_bank { - enum pio2_bank_config config; - u8 value; - enum pio2_int_config irq[8]; -}; - -/* Counter configuration structure */ -struct pio2_cntr { - int mode; - int count; -}; - -struct pio2_card { - int id; - int bus; - long base; - int irq_vector; - int irq_level; - char variant[6]; - int led; - - struct vme_dev *vdev; - struct vme_resource *window; - - struct gpio_chip gc; - struct pio2_io_bank bank[4]; - - struct pio2_cntr cntr[6]; -}; - -int pio2_cntr_reset(struct pio2_card *card); - -int pio2_gpio_reset(struct pio2_card *card); -int pio2_gpio_init(struct pio2_card *card); -void pio2_gpio_exit(struct pio2_card *card); - -#endif /* _VME_PIO2_H_ */ diff --git a/drivers/staging/vme/devices/vme_pio2_cntr.c b/drivers/staging/vme/devices/vme_pio2_cntr.c deleted file mode 100644 index 486c30c4956f..000000000000 --- a/drivers/staging/vme/devices/vme_pio2_cntr.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * GE PIO2 Counter Driver - * - * Author: Martyn Welch <martyn.welch@ge.com> - * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * The PIO-2 has 6 counters, currently this code just disables the interrupts - * and leaves them alone. - * - */ - -#include <linux/device.h> -#include <linux/types.h> -#include <linux/gpio.h> -#include <linux/vme.h> - -#include "vme_pio2.h" - -static int pio2_cntr_irq_set(struct pio2_card *card, int id) -{ - int retval; - u8 data; - - data = PIO2_CNTR_SC_DEV[id] | PIO2_CNTR_RW_BOTH | card->cntr[id].mode; - retval = vme_master_write(card->window, &data, 1, PIO2_CNTR_CTRL[id]); - if (retval < 0) - return retval; - - data = card->cntr[id].count & 0xFF; - retval = vme_master_write(card->window, &data, 1, PIO2_CNTR_DATA[id]); - if (retval < 0) - return retval; - - data = (card->cntr[id].count >> 8) & 0xFF; - retval = vme_master_write(card->window, &data, 1, PIO2_CNTR_DATA[id]); - if (retval < 0) - return retval; - - return 0; -} - -int pio2_cntr_reset(struct pio2_card *card) -{ - int i, retval = 0; - u8 reg; - - /* Clear down all timers */ - for (i = 0; i < 6; i++) { - card->cntr[i].mode = PIO2_CNTR_MODE5; - card->cntr[i].count = 0; - retval = pio2_cntr_irq_set(card, i); - if (retval < 0) - return retval; - } - - /* Ensure all counter interrupts are cleared */ - do { - retval = vme_master_read(card->window, ®, 1, - PIO2_REGS_INT_STAT_CNTR); - if (retval < 0) - return retval; - } while (reg != 0); - - return retval; -} - diff --git a/drivers/staging/vme/devices/vme_pio2_core.c b/drivers/staging/vme/devices/vme_pio2_core.c deleted file mode 100644 index 367535b4b77f..000000000000 --- a/drivers/staging/vme/devices/vme_pio2_core.c +++ /dev/null @@ -1,493 +0,0 @@ -/* - * GE PIO2 6U VME I/O Driver - * - * Author: Martyn Welch <martyn.welch@ge.com> - * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/device.h> -#include <linux/ctype.h> -#include <linux/gpio.h> -#include <linux/slab.h> -#include <linux/vme.h> - -#include "vme_pio2.h" - -static const char driver_name[] = "pio2"; - -static int bus[PIO2_CARDS_MAX]; -static int bus_num; -static long base[PIO2_CARDS_MAX]; -static int base_num; -static int vector[PIO2_CARDS_MAX]; -static int vector_num; -static int level[PIO2_CARDS_MAX]; -static int level_num; -static char *variant[PIO2_CARDS_MAX]; -static int variant_num; - -static bool loopback; - -static int pio2_match(struct vme_dev *); -static int pio2_probe(struct vme_dev *); -static int pio2_remove(struct vme_dev *); - -static int pio2_get_led(struct pio2_card *card) -{ - /* Can't read hardware, state saved in structure */ - return card->led; -} - -static int pio2_set_led(struct pio2_card *card, int state) -{ - u8 reg; - int retval; - - reg = card->irq_level; - - /* Register state inverse of led state */ - if (!state) - reg |= PIO2_LED; - - if (loopback) - reg |= PIO2_LOOP; - - retval = vme_master_write(card->window, ®, 1, PIO2_REGS_CTRL); - if (retval < 0) - return retval; - - card->led = state ? 1 : 0; - - return 0; -} - -static void pio2_int(int level, int vector, void *ptr) -{ - int vec, i, channel, retval; - u8 reg; - struct pio2_card *card = ptr; - - vec = vector & ~PIO2_VME_VECTOR_MASK; - - switch (vec) { - case 0: - dev_warn(&card->vdev->dev, "Spurious Interrupt\n"); - break; - case 1: - case 2: - case 3: - case 4: - /* Channels 0 to 7 */ - retval = vme_master_read(card->window, ®, 1, - PIO2_REGS_INT_STAT[vec - 1]); - if (retval < 0) { - dev_err(&card->vdev->dev, - "Unable to read IRQ status register\n"); - return; - } - for (i = 0; i < 8; i++) { - channel = ((vec - 1) * 8) + i; - if (reg & PIO2_CHANNEL_BIT[channel]) - dev_info(&card->vdev->dev, - "Interrupt on I/O channel %d\n", - channel); - } - break; - case 5: - case 6: - case 7: - case 8: - case 9: - case 10: - /* Counters are dealt with by their own handler */ - dev_err(&card->vdev->dev, - "Counter interrupt\n"); - break; - } -} - -/* - * We return whether this has been successful - this is used in the probe to - * ensure we have a valid card. - */ -static int pio2_reset_card(struct pio2_card *card) -{ - int retval = 0; - u8 data = 0; - - /* Clear main register*/ - retval = vme_master_write(card->window, &data, 1, PIO2_REGS_CTRL); - if (retval < 0) - return retval; - - /* Clear VME vector */ - retval = vme_master_write(card->window, &data, 1, PIO2_REGS_VME_VECTOR); - if (retval < 0) - return retval; - - /* Reset GPIO */ - retval = pio2_gpio_reset(card); - if (retval < 0) - return retval; - - /* Reset counters */ - retval = pio2_cntr_reset(card); - if (retval < 0) - return retval; - - return 0; -} - -static struct vme_driver pio2_driver = { - .name = driver_name, - .match = pio2_match, - .probe = pio2_probe, - .remove = pio2_remove, -}; - -static int __init pio2_init(void) -{ - if (bus_num == 0) { - pr_err("No cards, skipping registration\n"); - return -ENODEV; - } - - if (bus_num > PIO2_CARDS_MAX) { - pr_err("Driver only able to handle %d PIO2 Cards\n", - PIO2_CARDS_MAX); - bus_num = PIO2_CARDS_MAX; - } - - /* Register the PIO2 driver */ - return vme_register_driver(&pio2_driver, bus_num); -} - -static int pio2_match(struct vme_dev *vdev) -{ - if (vdev->num >= bus_num) { - dev_err(&vdev->dev, - "The enumeration of the VMEbus to which the board is connected must be specified\n"); - return 0; - } - - if (vdev->num >= base_num) { - dev_err(&vdev->dev, - "The VME address for the cards registers must be specified\n"); - return 0; - } - - if (vdev->num >= vector_num) { - dev_err(&vdev->dev, - "The IRQ vector used by the card must be specified\n"); - return 0; - } - - if (vdev->num >= level_num) { - dev_err(&vdev->dev, - "The IRQ level used by the card must be specified\n"); - return 0; - } - - if (vdev->num >= variant_num) { - dev_err(&vdev->dev, "The variant of the card must be specified\n"); - return 0; - } - - return 1; -} - -static int pio2_probe(struct vme_dev *vdev) -{ - struct pio2_card *card; - int retval; - int i; - u8 reg; - int vec; - - card = devm_kzalloc(&vdev->dev, sizeof(*card), GFP_KERNEL); - if (!card) - return -ENOMEM; - - card->id = vdev->num; - card->bus = bus[card->id]; - card->base = base[card->id]; - card->irq_vector = vector[card->id]; - card->irq_level = level[card->id] & PIO2_VME_INT_MASK; - strncpy(card->variant, variant[card->id], PIO2_VARIANT_LENGTH); - card->vdev = vdev; - - for (i = 0; i < PIO2_VARIANT_LENGTH; i++) { - if (!isdigit(card->variant[i])) { - dev_err(&card->vdev->dev, "Variant invalid\n"); - return -EINVAL; - } - } - - /* - * Bottom 4 bits of VME interrupt vector used to determine source, - * provided vector should only use upper 4 bits. - */ - if (card->irq_vector & ~PIO2_VME_VECTOR_MASK) { - dev_err(&card->vdev->dev, - "Invalid VME IRQ Vector, vector must not use lower 4 bits\n"); - return -EINVAL; - } - - /* - * There is no way to determine the build variant or whether each bank - * is input, output or both at run time. The inputs are also inverted - * if configured as both. - * - * We pass in the board variant and use that to determine the - * configuration of the banks. - */ - for (i = 1; i < PIO2_VARIANT_LENGTH; i++) { - switch (card->variant[i]) { - case '0': - card->bank[i - 1].config = NOFIT; - break; - case '1': - case '2': - case '3': - case '4': - card->bank[i - 1].config = INPUT; - break; - case '5': - card->bank[i - 1].config = OUTPUT; - break; - case '6': - case '7': - case '8': - case '9': - card->bank[i - 1].config = BOTH; - break; - } - } - - /* Get a master window and position over regs */ - card->window = vme_master_request(vdev, VME_A24, VME_SCT, VME_D16); - if (!card->window) { - dev_err(&card->vdev->dev, - "Unable to assign VME master resource\n"); - return -EIO; - } - - retval = vme_master_set(card->window, 1, card->base, 0x10000, VME_A24, - VME_SCT | VME_USER | VME_DATA, VME_D16); - if (retval) { - dev_err(&card->vdev->dev, - "Unable to configure VME master resource\n"); - goto err_set; - } - - /* - * There is also no obvious register which we can probe to determine - * whether the provided base is valid. If we can read the "ID Register" - * offset and the reset function doesn't error, assume we have a valid - * location. - */ - retval = vme_master_read(card->window, ®, 1, PIO2_REGS_ID); - if (retval < 0) { - dev_err(&card->vdev->dev, "Unable to read from device\n"); - goto err_read; - } - - dev_dbg(&card->vdev->dev, "ID Register:%x\n", reg); - - /* - * Ensure all the I/O is cleared. We can't read back the states, so - * this is the only method we have to ensure that the I/O is in a known - * state. - */ - retval = pio2_reset_card(card); - if (retval) { - dev_err(&card->vdev->dev, - "Failed to reset card, is location valid?\n"); - retval = -ENODEV; - goto err_reset; - } - - /* Configure VME Interrupts */ - reg = card->irq_level; - if (pio2_get_led(card)) - reg |= PIO2_LED; - if (loopback) - reg |= PIO2_LOOP; - retval = vme_master_write(card->window, ®, 1, PIO2_REGS_CTRL); - if (retval < 0) - return retval; - - /* Set VME vector */ - retval = vme_master_write(card->window, &card->irq_vector, 1, - PIO2_REGS_VME_VECTOR); - if (retval < 0) - return retval; - - /* Attach spurious interrupt handler. */ - vec = card->irq_vector | PIO2_VME_VECTOR_SPUR; - - retval = vme_irq_request(vdev, card->irq_level, vec, - &pio2_int, card); - if (retval < 0) { - dev_err(&card->vdev->dev, - "Unable to attach VME interrupt vector0x%x, level 0x%x\n", - vec, card->irq_level); - goto err_irq; - } - - /* Attach GPIO interrupt handlers. */ - for (i = 0; i < 4; i++) { - vec = card->irq_vector | PIO2_VECTOR_BANK[i]; - - retval = vme_irq_request(vdev, card->irq_level, vec, - &pio2_int, card); - if (retval < 0) { - dev_err(&card->vdev->dev, - "Unable to attach VME interrupt vector0x%x, level 0x%x\n", - vec, card->irq_level); - goto err_gpio_irq; - } - } - - /* Attach counter interrupt handlers. */ - for (i = 0; i < 6; i++) { - vec = card->irq_vector | PIO2_VECTOR_CNTR[i]; - - retval = vme_irq_request(vdev, card->irq_level, vec, - &pio2_int, card); - if (retval < 0) { - dev_err(&card->vdev->dev, - "Unable to attach VME interrupt vector0x%x, level 0x%x\n", - vec, card->irq_level); - goto err_cntr_irq; - } - } - - /* Register IO */ - retval = pio2_gpio_init(card); - if (retval < 0) { - dev_err(&card->vdev->dev, - "Unable to register with GPIO framework\n"); - goto err_gpio; - } - - /* Set LED - This also sets interrupt level */ - retval = pio2_set_led(card, 0); - if (retval < 0) { - dev_err(&card->vdev->dev, "Unable to set LED\n"); - goto err_led; - } - - dev_set_drvdata(&card->vdev->dev, card); - - dev_info(&card->vdev->dev, - "PIO2 (variant %s) configured at 0x%lx\n", card->variant, - card->base); - - return 0; - -err_led: - pio2_gpio_exit(card); -err_gpio: - i = 6; -err_cntr_irq: - while (i > 0) { - i--; - vec = card->irq_vector | PIO2_VECTOR_CNTR[i]; - vme_irq_free(vdev, card->irq_level, vec); - } - - i = 4; -err_gpio_irq: - while (i > 0) { - i--; - vec = card->irq_vector | PIO2_VECTOR_BANK[i]; - vme_irq_free(vdev, card->irq_level, vec); - } - - vec = (card->irq_vector & PIO2_VME_VECTOR_MASK) | PIO2_VME_VECTOR_SPUR; - vme_irq_free(vdev, card->irq_level, vec); -err_irq: - pio2_reset_card(card); -err_reset: -err_read: - vme_master_set(card->window, 0, 0, 0, VME_A16, 0, VME_D16); -err_set: - vme_master_free(card->window); - return retval; -} - -static int pio2_remove(struct vme_dev *vdev) -{ - int vec; - int i; - - struct pio2_card *card = dev_get_drvdata(&vdev->dev); - - pio2_gpio_exit(card); - - for (i = 0; i < 6; i++) { - vec = card->irq_vector | PIO2_VECTOR_CNTR[i]; - vme_irq_free(vdev, card->irq_level, vec); - } - - for (i = 0; i < 4; i++) { - vec = card->irq_vector | PIO2_VECTOR_BANK[i]; - vme_irq_free(vdev, card->irq_level, vec); - } - - vec = (card->irq_vector & PIO2_VME_VECTOR_MASK) | PIO2_VME_VECTOR_SPUR; - vme_irq_free(vdev, card->irq_level, vec); - - pio2_reset_card(card); - - vme_master_set(card->window, 0, 0, 0, VME_A16, 0, VME_D16); - - vme_master_free(card->window); - - return 0; -} - -static void __exit pio2_exit(void) -{ - vme_unregister_driver(&pio2_driver); -} - -/* These are required for each board */ -MODULE_PARM_DESC(bus, "Enumeration of VMEbus to which the board is connected"); -module_param_hw_array(bus, int, other, &bus_num, 0444); - -MODULE_PARM_DESC(base, "Base VME address for PIO2 Registers"); -module_param_hw_array(base, long, other, &base_num, 0444); - -MODULE_PARM_DESC(vector, "VME IRQ Vector (Lower 4 bits masked)"); -module_param_hw_array(vector, int, other, &vector_num, 0444); - -MODULE_PARM_DESC(level, "VME IRQ Level"); -module_param_hw_array(level, int, other, &level_num, 0444); - -MODULE_PARM_DESC(variant, "Last 4 characters of PIO2 board variant"); -module_param_array(variant, charp, &variant_num, 0444); - -/* This is for debugging */ -MODULE_PARM_DESC(loopback, "Enable loopback mode on all cards"); -module_param(loopback, bool, 0444); - -MODULE_DESCRIPTION("GE PIO2 6U VME I/O Driver"); -MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com"); -MODULE_LICENSE("GPL"); - -module_init(pio2_init); -module_exit(pio2_exit); - diff --git a/drivers/staging/vme/devices/vme_pio2_gpio.c b/drivers/staging/vme/devices/vme_pio2_gpio.c deleted file mode 100644 index ba9fe3bc2642..000000000000 --- a/drivers/staging/vme/devices/vme_pio2_gpio.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * GE PIO2 GPIO Driver - * - * Author: Martyn Welch <martyn.welch@ge.com> - * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/device.h> -#include <linux/platform_device.h> -#include <linux/ctype.h> -#include <linux/gpio/driver.h> -#include <linux/slab.h> -#include <linux/vme.h> - -#include "vme_pio2.h" - -static const char driver_name[] = "pio2_gpio"; - -static int pio2_gpio_get(struct gpio_chip *chip, unsigned int offset) -{ - u8 reg; - int retval; - struct pio2_card *card = gpiochip_get_data(chip); - - if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == OUTPUT) | - (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) { - dev_err(&card->vdev->dev, "Channel not available as input\n"); - return 0; - } - - retval = vme_master_read(card->window, ®, 1, - PIO2_REGS_DATA[PIO2_CHANNEL_BANK[offset]]); - if (retval < 0) { - dev_err(&card->vdev->dev, "Unable to read from GPIO\n"); - return 0; - } - - /* - * Remember, input on channels configured as both input and output - * are inverted! - */ - if (reg & PIO2_CHANNEL_BIT[offset]) { - if (card->bank[PIO2_CHANNEL_BANK[offset]].config != BOTH) - return 0; - - return 1; - } - - if (card->bank[PIO2_CHANNEL_BANK[offset]].config != BOTH) - return 1; - - return 0; -} - -static void pio2_gpio_set(struct gpio_chip *chip, - unsigned int offset, int value) -{ - u8 reg; - int retval; - struct pio2_card *card = gpiochip_get_data(chip); - - if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == INPUT) | - (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) { - dev_err(&card->vdev->dev, "Channel not available as output\n"); - return; - } - - if (value) - reg = card->bank[PIO2_CHANNEL_BANK[offset]].value | - PIO2_CHANNEL_BIT[offset]; - else - reg = card->bank[PIO2_CHANNEL_BANK[offset]].value & - ~PIO2_CHANNEL_BIT[offset]; - - retval = vme_master_write(card->window, ®, 1, - PIO2_REGS_DATA[PIO2_CHANNEL_BANK[offset]]); - if (retval < 0) { - dev_err(&card->vdev->dev, "Unable to write to GPIO\n"); - return; - } - - card->bank[PIO2_CHANNEL_BANK[offset]].value = reg; -} - -/* Directionality configured at board build - send appropriate response */ -static int pio2_gpio_dir_in(struct gpio_chip *chip, unsigned int offset) -{ - int data; - struct pio2_card *card = gpiochip_get_data(chip); - - if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == OUTPUT) | - (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) { - dev_err(&card->vdev->dev, - "Channel directionality not configurable at runtime\n"); - - data = -EINVAL; - } else { - data = 0; - } - - return data; -} - -/* Directionality configured at board build - send appropriate response */ -static int pio2_gpio_dir_out(struct gpio_chip *chip, - unsigned int offset, int value) -{ - int data; - struct pio2_card *card = gpiochip_get_data(chip); - - if ((card->bank[PIO2_CHANNEL_BANK[offset]].config == INPUT) | - (card->bank[PIO2_CHANNEL_BANK[offset]].config == NOFIT)) { - dev_err(&card->vdev->dev, - "Channel directionality not configurable at runtime\n"); - - data = -EINVAL; - } else { - data = 0; - } - - return data; -} - -/* - * We return whether this has been successful - this is used in the probe to - * ensure we have a valid card. - */ -int pio2_gpio_reset(struct pio2_card *card) -{ - int retval = 0; - int i, j; - - u8 data = 0; - - /* Zero output registers */ - for (i = 0; i < 4; i++) { - retval = vme_master_write(card->window, &data, 1, - PIO2_REGS_DATA[i]); - if (retval < 0) - return retval; - card->bank[i].value = 0; - } - - /* Set input interrupt masks */ - for (i = 0; i < 4; i++) { - retval = vme_master_write(card->window, &data, 1, - PIO2_REGS_INT_MASK[i * 2]); - if (retval < 0) - return retval; - - retval = vme_master_write(card->window, &data, 1, - PIO2_REGS_INT_MASK[(i * 2) + 1]); - if (retval < 0) - return retval; - - for (j = 0; j < 8; j++) - card->bank[i].irq[j] = NONE; - } - - /* Ensure all I/O interrupts are cleared */ - for (i = 0; i < 4; i++) { - do { - retval = vme_master_read(card->window, &data, 1, - PIO2_REGS_INT_STAT[i]); - if (retval < 0) - return retval; - } while (data != 0); - } - - return 0; -} - -int pio2_gpio_init(struct pio2_card *card) -{ - int retval = 0; - char *label; - - label = kasprintf(GFP_KERNEL, - "%s@%s", driver_name, dev_name(&card->vdev->dev)); - if (!label) - return -ENOMEM; - - card->gc.label = label; - - card->gc.ngpio = PIO2_NUM_CHANNELS; - /* Dynamic allocation of base */ - card->gc.base = -1; - /* Setup pointers to chip functions */ - card->gc.direction_input = pio2_gpio_dir_in; - card->gc.direction_output = pio2_gpio_dir_out; - card->gc.get = pio2_gpio_get; - card->gc.set = pio2_gpio_set; - - /* This function adds a memory mapped GPIO chip */ - retval = gpiochip_add_data(&card->gc, card); - if (retval) { - dev_err(&card->vdev->dev, "Unable to register GPIO\n"); - kfree(card->gc.label); - } - - return retval; -}; - -void pio2_gpio_exit(struct pio2_card *card) -{ - const char *label = card->gc.label; - - gpiochip_remove(&card->gc); - kfree(label); -} - diff --git a/drivers/staging/vme/devices/vme_user.h b/drivers/staging/vme/devices/vme_user.h index a6cb75686fa4..19ecb05781cc 100644 --- a/drivers/staging/vme/devices/vme_user.h +++ b/drivers/staging/vme/devices/vme_user.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VME_USER_H_ #define _VME_USER_H_ diff --git a/drivers/staging/vt6655/Makefile b/drivers/staging/vt6655/Makefile index d55c3baade53..a151f30fc46f 100644 --- a/drivers/staging/vt6655/Makefile +++ b/drivers/staging/vt6655/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # TODO: all of these should be removed ccflags-y := -DLINUX -D__KERNEL__ -D__NO_VERSION__ ccflags-y += -DHOSTAP diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 9fcf2e223f71..1123b4f1e1d6 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1693,10 +1693,11 @@ static int vt6655_suspend(struct pci_dev *pcid, pm_message_t state) MACbShutdown(priv); pci_disable_device(pcid); - pci_set_power_state(pcid, pci_choose_state(pcid, state)); spin_unlock_irqrestore(&priv->lock, flags); + pci_set_power_state(pcid, pci_choose_state(pcid, state)); + return 0; } diff --git a/drivers/staging/vt6655/key.c b/drivers/staging/vt6655/key.c index d7ede73a1a01..d891993b20cf 100644 --- a/drivers/staging/vt6655/key.c +++ b/drivers/staging/vt6655/key.c @@ -56,17 +56,19 @@ static int vnt_set_keymode(struct ieee80211_hw *hw, u8 *mac_addr, } switch (key_type) { - /* fallthrough */ case VNT_KEY_DEFAULTKEY: /* default key last entry */ entry = MAX_KEY_TABLE - 1; key->hw_key_idx = entry; + /* fall through */ case VNT_KEY_ALLGROUP: key_mode |= VNT_KEY_ALLGROUP; if (onfly_latch) key_mode |= VNT_KEY_ONFLY_ALL; + /* fall through */ case VNT_KEY_GROUP_ADDRESS: key_mode |= mode; + /* fall through */ case VNT_KEY_GROUP: key_mode |= (mode << 4); key_mode |= VNT_KEY_GROUP; diff --git a/drivers/staging/vt6656/Makefile b/drivers/staging/vt6656/Makefile index 3dbe1f89dd25..b64c0d87f612 100644 --- a/drivers/staging/vt6656/Makefile +++ b/drivers/staging/vt6656/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # TODO: all of these should be removed ccflags-y := -DLINUX -D__KERNEL__ -DEXPORT_SYMTAB -D__NO_VERSION__ ccflags-y += -DHOSTAP diff --git a/drivers/staging/vt6656/card.c b/drivers/staging/vt6656/card.c index c61422ea8846..4fd9cd64c6e8 100644 --- a/drivers/staging/vt6656/card.c +++ b/drivers/staging/vt6656/card.c @@ -382,11 +382,13 @@ void vnt_update_ifs(struct vnt_private *priv) priv->difs -= 1; break; } + /* fall through */ case RF_AIROHA7230: case RF_AL2230: case RF_AL2230S: if (priv->bb_type != BB_TYPE_11B) break; + /* fall through */ case RF_RFMD2959: case RF_VT3226: case RF_VT3342A0: diff --git a/drivers/staging/wilc1000/Makefile b/drivers/staging/wilc1000/Makefile index d22628314305..ee7e26b886a5 100644 --- a/drivers/staging/wilc1000/Makefile +++ b/drivers/staging/wilc1000/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_WILC1000) += wilc1000.o ccflags-y += -DFIRMWARE_1002=\"atmel/wilc1002_firmware.bin\" \ diff --git a/drivers/staging/wilc1000/coreconfigurator.c b/drivers/staging/wilc1000/coreconfigurator.c index 622994795222..8cf886d32afb 100644 --- a/drivers/staging/wilc1000/coreconfigurator.c +++ b/drivers/staging/wilc1000/coreconfigurator.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "coreconfigurator.h" #include "wilc_wlan_if.h" #include "wilc_wlan.h" diff --git a/drivers/staging/wilc1000/coreconfigurator.h b/drivers/staging/wilc1000/coreconfigurator.h index 5256f40524bf..3f5da8c58815 100644 --- a/drivers/staging/wilc1000/coreconfigurator.h +++ b/drivers/staging/wilc1000/coreconfigurator.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*! * @file coreconfigurator.h diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index 7b620658ec38..d69248a8c7b5 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> #include <linux/time.h> #include <linux/kthread.h> @@ -238,6 +239,7 @@ static struct completion hif_driver_comp; static struct completion hif_wait_response; static struct mutex hif_deinit_lock; static struct timer_list periodic_rssi; +static struct wilc_vif *periodic_rssi_vif; u8 wilc_multicast_mac_addr_list[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN]; @@ -2272,7 +2274,7 @@ static int Handle_RemainOnChan(struct wilc_vif *vif, ERRORHANDLER: { P2P_LISTEN_STATE = 1; - hif_drv->remain_on_ch_timer.data = (unsigned long)vif; + hif_drv->remain_on_ch_timer_vif = vif; mod_timer(&hif_drv->remain_on_ch_timer, jiffies + msecs_to_jiffies(pstrHostIfRemainOnChan->duration)); @@ -2360,11 +2362,13 @@ _done_: return result; } -static void ListenTimerCB(unsigned long arg) +static void ListenTimerCB(struct timer_list *t) { + struct host_if_drv *hif_drv = from_timer(hif_drv, t, + remain_on_ch_timer); + struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif; s32 result = 0; struct host_if_msg msg; - struct wilc_vif *vif = (struct wilc_vif *)arg; del_timer(&vif->hif_drv->remain_on_ch_timer); @@ -2417,9 +2421,9 @@ static void Handle_SetMulticastFilter(struct wilc_vif *vif, pu8CurrByte = wid.val; *pu8CurrByte++ = (strHostIfSetMulti->enabled & 0xFF); - *pu8CurrByte++ = ((strHostIfSetMulti->enabled >> 8) & 0xFF); - *pu8CurrByte++ = ((strHostIfSetMulti->enabled >> 16) & 0xFF); - *pu8CurrByte++ = ((strHostIfSetMulti->enabled >> 24) & 0xFF); + *pu8CurrByte++ = 0; + *pu8CurrByte++ = 0; + *pu8CurrByte++ = 0; *pu8CurrByte++ = (strHostIfSetMulti->cnt & 0xFF); *pu8CurrByte++ = ((strHostIfSetMulti->cnt >> 8) & 0xFF); @@ -2643,9 +2647,10 @@ free_msg: complete(&hif_thread_comp); } -static void TimerCB_Scan(unsigned long arg) +static void TimerCB_Scan(struct timer_list *t) { - struct wilc_vif *vif = (struct wilc_vif *)arg; + struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer); + struct wilc_vif *vif = hif_drv->scan_timer_vif; struct host_if_msg msg; memset(&msg, 0, sizeof(struct host_if_msg)); @@ -2655,9 +2660,11 @@ static void TimerCB_Scan(unsigned long arg) wilc_enqueue_cmd(&msg); } -static void TimerCB_Connect(unsigned long arg) +static void TimerCB_Connect(struct timer_list *t) { - struct wilc_vif *vif = (struct wilc_vif *)arg; + struct host_if_drv *hif_drv = from_timer(hif_drv, t, + connect_timer); + struct wilc_vif *vif = hif_drv->connect_timer_vif; struct host_if_msg msg; memset(&msg, 0, sizeof(struct host_if_msg)); @@ -3040,7 +3047,7 @@ int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ssid, return -EFAULT; } - hif_drv->connect_timer.data = (unsigned long)vif; + hif_drv->connect_timer_vif = vif; mod_timer(&hif_drv->connect_timer, jiffies + msecs_to_jiffies(HOST_IF_CONNECT_TIMEOUT)); @@ -3283,7 +3290,7 @@ int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type, return -EINVAL; } - hif_drv->scan_timer.data = (unsigned long)vif; + hif_drv->scan_timer_vif = vif; mod_timer(&hif_drv->scan_timer, jiffies + msecs_to_jiffies(HOST_IF_SCAN_TIMEOUT)); @@ -3309,9 +3316,9 @@ int wilc_hif_set_cfg(struct wilc_vif *vif, return wilc_enqueue_cmd(&msg); } -static void GetPeriodicRSSI(unsigned long arg) +static void GetPeriodicRSSI(struct timer_list *unused) { - struct wilc_vif *vif = (struct wilc_vif *)arg; + struct wilc_vif *vif = periodic_rssi_vif; if (!vif->hif_drv) { netdev_err(vif->ndev, "Driver handler is NULL\n"); @@ -3321,7 +3328,6 @@ static void GetPeriodicRSSI(unsigned long arg) if (vif->hif_drv->hif_state == HOST_IF_CONNECTED) wilc_get_statistics(vif, &vif->wilc->dummy_statistics); - periodic_rssi.data = (unsigned long)vif; mod_timer(&periodic_rssi, jiffies + msecs_to_jiffies(5000)); } @@ -3374,14 +3380,14 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler) goto _fail_; } - setup_timer(&periodic_rssi, GetPeriodicRSSI, - (unsigned long)vif); + periodic_rssi_vif = vif; + timer_setup(&periodic_rssi, GetPeriodicRSSI, 0); mod_timer(&periodic_rssi, jiffies + msecs_to_jiffies(5000)); } - setup_timer(&hif_drv->scan_timer, TimerCB_Scan, 0); - setup_timer(&hif_drv->connect_timer, TimerCB_Connect, 0); - setup_timer(&hif_drv->remain_on_ch_timer, ListenTimerCB, 0); + timer_setup(&hif_drv->scan_timer, TimerCB_Scan, 0); + timer_setup(&hif_drv->connect_timer, TimerCB_Connect, 0); + timer_setup(&hif_drv->remain_on_ch_timer, ListenTimerCB, 0); mutex_init(&hif_drv->cfg_values_lock); mutex_lock(&hif_drv->cfg_values_lock); diff --git a/drivers/staging/wilc1000/host_interface.h b/drivers/staging/wilc1000/host_interface.h index 1ce5ead318c7..aa914d69ab0d 100644 --- a/drivers/staging/wilc1000/host_interface.h +++ b/drivers/staging/wilc1000/host_interface.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef HOST_INT_H #define HOST_INT_H #include <linux/ieee80211.h> @@ -279,8 +280,13 @@ struct host_if_drv { struct completion comp_inactive_time; struct timer_list scan_timer; + struct wilc_vif *scan_timer_vif; + struct timer_list connect_timer; + struct wilc_vif *connect_timer_vif; + struct timer_list remain_on_ch_timer; + struct wilc_vif *remain_on_ch_timer_vif; bool IFC_UP; int driver_handler_id; diff --git a/drivers/staging/wilc1000/linux_mon.c b/drivers/staging/wilc1000/linux_mon.c index 01efa80b4f88..91d49c4738dc 100644 --- a/drivers/staging/wilc1000/linux_mon.c +++ b/drivers/staging/wilc1000/linux_mon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /*! * @file linux_mon.c * @brief File Operations OS wrapper functionality diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c index ac5aaafa461c..8a275996d4e6 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "wilc_wfi_cfgoperations.h" #include "host_interface.h" #include <linux/errno.h> @@ -266,7 +267,7 @@ static void update_scan_time(void) last_scanned_shadow[i].time_scan = jiffies; } -static void remove_network_from_shadow(unsigned long arg) +static void remove_network_from_shadow(unsigned long unused) { unsigned long now = jiffies; int i, j; @@ -287,7 +288,6 @@ static void remove_network_from_shadow(unsigned long arg) } if (last_scanned_cnt != 0) { - hAgingTimer.data = arg; mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME)); } } @@ -304,7 +304,6 @@ static int is_network_in_shadow(struct network_info *pstrNetworkInfo, int i; if (last_scanned_cnt == 0) { - hAgingTimer.data = (unsigned long)user_void; mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME)); state = -1; } else { @@ -1111,7 +1110,6 @@ static int del_key(struct wiphy *wiphy, struct net_device *netdev, g_key_gtk_params.key = NULL; kfree(g_key_gtk_params.seq); g_key_gtk_params.seq = NULL; - } if (key_index >= 0 && key_index <= 3) { @@ -1617,7 +1615,7 @@ static int mgmt_tx(struct wiphy *wiphy, *cookie = (unsigned long)buf; priv->u64tx_cookie = *cookie; - mgmt = (const struct ieee80211_mgmt *) buf; + mgmt = (const struct ieee80211_mgmt *)buf; if (ieee80211_is_mgmt(mgmt->frame_control)) { mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL); diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h index 85a3810d7bb5..dfb7ec272935 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*! * @file wilc_wfi_cfgoperations.h * @brief Definitions for the network module diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h index 7a36561a599e..e6f4d84971c3 100644 --- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h +++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /*! * @file wilc_wfi_netdevice.h * @brief Definitions for the network module diff --git a/drivers/staging/wilc1000/wilc_wlan.c b/drivers/staging/wilc1000/wilc_wlan.c index 9addef1f1e12..f49dfa82f1b8 100644 --- a/drivers/staging/wilc1000/wilc_wlan.c +++ b/drivers/staging/wilc1000/wilc_wlan.c @@ -714,7 +714,7 @@ int wilc_wlan_handle_txq(struct net_device *dev, u32 *txq_count) char *bssid = ((struct tx_complete_data *)(tqe->priv))->bssid; buffer_offset = ETH_ETHERNET_HDR_OFFSET; - memcpy(&txb[offset + 4], bssid, 6); + memcpy(&txb[offset + 8], bssid, 6); } else { buffer_offset = HOST_HDR_OFFSET; } diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h index 7a5eba9b5f47..da7173105497 100644 --- a/drivers/staging/wilc1000/wilc_wlan.h +++ b/drivers/staging/wilc1000/wilc_wlan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef WILC_WLAN_H #define WILC_WLAN_H diff --git a/drivers/staging/wilc1000/wilc_wlan_cfg.c b/drivers/staging/wilc1000/wilc_wlan_cfg.c index d3e5b1b302f4..19e4f85fdd27 100644 --- a/drivers/staging/wilc1000/wilc_wlan_cfg.c +++ b/drivers/staging/wilc1000/wilc_wlan_cfg.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* ////////////////////////////////////////////////////////////////////////// */ /* */ /* Copyright (c) Atmel Corporation. All rights reserved. */ diff --git a/drivers/staging/wilc1000/wilc_wlan_cfg.h b/drivers/staging/wilc1000/wilc_wlan_cfg.h index b8641a273547..08092a551840 100644 --- a/drivers/staging/wilc1000/wilc_wlan_cfg.h +++ b/drivers/staging/wilc1000/wilc_wlan_cfg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ////////////////////////////////////////////////////////////////////////// */ /* */ /* Copyright (c) Atmel Corporation. All rights reserved. */ diff --git a/drivers/staging/wilc1000/wilc_wlan_if.h b/drivers/staging/wilc1000/wilc_wlan_if.h index f4d60057a06e..c1693cfc076d 100644 --- a/drivers/staging/wilc1000/wilc_wlan_if.h +++ b/drivers/staging/wilc1000/wilc_wlan_if.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* ///////////////////////////////////////////////////////////////////////// */ /* */ /* Copyright (c) Atmel Corporation. All rights reserved. */ diff --git a/drivers/staging/wlan-ng/Makefile b/drivers/staging/wlan-ng/Makefile index 32b69f238c69..1d24b0f86eee 100644 --- a/drivers/staging/wlan-ng/Makefile +++ b/drivers/staging/wlan-ng/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_PRISM2_USB) += prism2_usb.o prism2_usb-y := prism2usb.o \ diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index 178f6f5d4613..42912257e2b9 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* cfg80211 Interface for prism2_usb module */ #include "hfa384x.h" #include "prism2mgmt.h" diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c index d24f5eba9375..197f5a914e8f 100644 --- a/drivers/staging/wlan-ng/hfa384x_usb.c +++ b/drivers/staging/wlan-ng/hfa384x_usb.c @@ -184,11 +184,11 @@ static void hfa384x_usbin_ctlx(struct hfa384x *hw, union hfa384x_usbin *usbin, static void hfa384x_usbctlxq_run(struct hfa384x *hw); -static void hfa384x_usbctlx_reqtimerfn(unsigned long data); +static void hfa384x_usbctlx_reqtimerfn(struct timer_list *t); -static void hfa384x_usbctlx_resptimerfn(unsigned long data); +static void hfa384x_usbctlx_resptimerfn(struct timer_list *t); -static void hfa384x_usb_throttlefn(unsigned long data); +static void hfa384x_usb_throttlefn(struct timer_list *t); static void hfa384x_usbctlx_completion_task(unsigned long data); @@ -558,13 +558,11 @@ void hfa384x_create(struct hfa384x *hw, struct usb_device *usb) INIT_WORK(&hw->link_bh, prism2sta_processing_defer); INIT_WORK(&hw->usb_work, hfa384x_usb_defer); - setup_timer(&hw->throttle, hfa384x_usb_throttlefn, (unsigned long)hw); + timer_setup(&hw->throttle, hfa384x_usb_throttlefn, 0); - setup_timer(&hw->resptimer, hfa384x_usbctlx_resptimerfn, - (unsigned long)hw); + timer_setup(&hw->resptimer, hfa384x_usbctlx_resptimerfn, 0); - setup_timer(&hw->reqtimer, hfa384x_usbctlx_reqtimerfn, - (unsigned long)hw); + timer_setup(&hw->reqtimer, hfa384x_usbctlx_reqtimerfn, 0); usb_init_urb(&hw->rx_urb); usb_init_urb(&hw->tx_urb); @@ -574,8 +572,7 @@ void hfa384x_create(struct hfa384x *hw, struct usb_device *usb) hw->state = HFA384x_STATE_INIT; INIT_WORK(&hw->commsqual_bh, prism2sta_commsqual_defer); - setup_timer(&hw->commsqual_timer, prism2sta_commsqual_timer, - (unsigned long)hw); + timer_setup(&hw->commsqual_timer, prism2sta_commsqual_timer, 0); } /*---------------------------------------------------------------- @@ -3800,9 +3797,9 @@ delresp: * interrupt *---------------------------------------------------------------- */ -static void hfa384x_usbctlx_reqtimerfn(unsigned long data) +static void hfa384x_usbctlx_reqtimerfn(struct timer_list *t) { - struct hfa384x *hw = (struct hfa384x *)data; + struct hfa384x *hw = from_timer(hw, t, reqtimer); unsigned long flags; spin_lock_irqsave(&hw->ctlxq.lock, flags); @@ -3859,9 +3856,9 @@ static void hfa384x_usbctlx_reqtimerfn(unsigned long data) * interrupt *---------------------------------------------------------------- */ -static void hfa384x_usbctlx_resptimerfn(unsigned long data) +static void hfa384x_usbctlx_resptimerfn(struct timer_list *t) { - struct hfa384x *hw = (struct hfa384x *)data; + struct hfa384x *hw = from_timer(hw, t, resptimer); unsigned long flags; spin_lock_irqsave(&hw->ctlxq.lock, flags); @@ -3899,9 +3896,9 @@ static void hfa384x_usbctlx_resptimerfn(unsigned long data) * Interrupt *---------------------------------------------------------------- */ -static void hfa384x_usb_throttlefn(unsigned long data) +static void hfa384x_usb_throttlefn(struct timer_list *t) { - struct hfa384x *hw = (struct hfa384x *)data; + struct hfa384x *hw = from_timer(hw, t, throttle); unsigned long flags; spin_lock_irqsave(&hw->ctlxq.lock, flags); diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c index c4aa9e7e7003..72070593394a 100644 --- a/drivers/staging/wlan-ng/prism2mgmt.c +++ b/drivers/staging/wlan-ng/prism2mgmt.c @@ -394,8 +394,9 @@ int prism2mgmt_scan_results(struct wlandevice *wlandev, void *msgp) count = HFA384x_SCANRESULT_MAX; if (req->bssindex.data >= count) { - pr_debug("requested index (%d) out of range (%d)\n", - req->bssindex.data, count); + netdev_dbg(wlandev->netdev, + "requested index (%d) out of range (%d)\n", + req->bssindex.data, count); result = 2; req->resultcode.data = P80211ENUM_resultcode_invalid_parameters; goto exit; @@ -684,7 +685,8 @@ int prism2mgmt_start(struct wlandevice *wlandev, void *msgp) goto done; failed: - pr_debug("Failed to set a config option, result=%d\n", result); + netdev_dbg(wlandev->netdev, + "Failed to set a config option, result=%d\n", result); msg->resultcode.data = P80211ENUM_resultcode_invalid_parameters; done: @@ -1120,15 +1122,17 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) /* Disable monitor mode */ result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_DISABLE); if (result) { - pr_debug("failed to disable monitor mode, result=%d\n", - result); + netdev_dbg(wlandev->netdev, + "failed to disable monitor mode, result=%d\n", + result); goto failed; } /* Disable port 0 */ result = hfa384x_drvr_disable(hw, 0); if (result) { - pr_debug - ("failed to disable port 0 after sniffing, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to disable port 0 after sniffing, result=%d\n", result); goto failed; } @@ -1140,8 +1144,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) HFA384x_RID_CNFWEPFLAGS, hw->presniff_wepflags); if (result) { - pr_debug - ("failed to restore wepflags=0x%04x, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to restore wepflags=0x%04x, result=%d\n", hw->presniff_wepflags, result); goto failed; } @@ -1153,8 +1158,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) HFA384x_RID_CNFPORTTYPE, word); if (result) { - pr_debug - ("failed to restore porttype, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to restore porttype, result=%d\n", result); goto failed; } @@ -1162,8 +1168,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) /* Enable the port */ result = hfa384x_drvr_enable(hw, 0); if (result) { - pr_debug("failed to enable port to presniff setting, result=%d\n", - result); + netdev_dbg(wlandev->netdev, + "failed to enable port to presniff setting, result=%d\n", + result); goto failed; } } else { @@ -1182,8 +1189,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) HFA384x_RID_CNFPORTTYPE, &(hw->presniff_port_type)); if (result) { - pr_debug - ("failed to read porttype, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to read porttype, result=%d\n", result); goto failed; } @@ -1192,24 +1200,27 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) HFA384x_RID_CNFWEPFLAGS, &(hw->presniff_wepflags)); if (result) { - pr_debug - ("failed to read wepflags, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to read wepflags, result=%d\n", result); goto failed; } hfa384x_drvr_stop(hw); result = hfa384x_drvr_start(hw); if (result) { - pr_debug("failed to restart the card for sniffing, result=%d\n", - result); + netdev_dbg(wlandev->netdev, + "failed to restart the card for sniffing, result=%d\n", + result); goto failed; } } else { /* Disable the port */ result = hfa384x_drvr_disable(hw, 0); if (result) { - pr_debug("failed to enable port for sniffing, result=%d\n", - result); + netdev_dbg(wlandev->netdev, + "failed to enable port for sniffing, result=%d\n", + result); goto failed; } } @@ -1225,8 +1236,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) hw->sniff_channel = word; if (result) { - pr_debug("failed to set channel %d, result=%d\n", - word, result); + netdev_dbg(wlandev->netdev, + "failed to set channel %d, result=%d\n", + word, result); goto failed; } @@ -1238,8 +1250,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) HFA384x_RID_CNFPORTTYPE, word); if (result) { - pr_debug - ("failed to set porttype %d, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to set porttype %d, result=%d\n", word, result); goto failed; } @@ -1257,8 +1270,9 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) } if (result) { - pr_debug - ("failed to set wepflags=0x%04x, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to set wepflags=0x%04x, result=%d\n", word, result); goto failed; } @@ -1283,16 +1297,18 @@ int prism2mgmt_wlansniff(struct wlandevice *wlandev, void *msgp) /* Enable the port */ result = hfa384x_drvr_enable(hw, 0); if (result) { - pr_debug - ("failed to enable port for sniffing, result=%d\n", + netdev_dbg + (wlandev->netdev, + "failed to enable port for sniffing, result=%d\n", result); goto failed; } /* Enable monitor mode */ result = hfa384x_cmd_monitor(hw, HFA384x_MONITOR_ENABLE); if (result) { - pr_debug("failed to enable monitor mode, result=%d\n", - result); + netdev_dbg(wlandev->netdev, + "failed to enable monitor mode, result=%d\n", + result); goto failed; } diff --git a/drivers/staging/wlan-ng/prism2mgmt.h b/drivers/staging/wlan-ng/prism2mgmt.h index 88b979ff68b3..c062418f1202 100644 --- a/drivers/staging/wlan-ng/prism2mgmt.h +++ b/drivers/staging/wlan-ng/prism2mgmt.h @@ -109,7 +109,7 @@ int prism2mgmt_get_grpaddr_index(u32 did); void prism2sta_processing_defer(struct work_struct *data); void prism2sta_commsqual_defer(struct work_struct *data); -void prism2sta_commsqual_timer(unsigned long data); +void prism2sta_commsqual_timer(struct timer_list *t); /* Interface callback functions, passing data back up to the cfg80211 layer */ void prism2_connect_result(struct wlandevice *wlandev, u8 failed); diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c index c9df45063ab3..99316b9a4e49 100644 --- a/drivers/staging/wlan-ng/prism2sta.c +++ b/drivers/staging/wlan-ng/prism2sta.c @@ -1447,7 +1447,7 @@ static void prism2sta_inf_linkstatus(struct wlandevice *wlandev, { struct hfa384x *hw = wlandev->priv; - hw->link_status_new = inf->info.linkstatus.linkstatus; + hw->link_status_new = le16_to_cpu(inf->info.linkstatus.linkstatus); schedule_work(&hw->link_bh); } @@ -2004,9 +2004,9 @@ void prism2sta_commsqual_defer(struct work_struct *data) mod_timer(&hw->commsqual_timer, jiffies + HZ); } -void prism2sta_commsqual_timer(unsigned long data) +void prism2sta_commsqual_timer(struct timer_list *t) { - struct hfa384x *hw = (struct hfa384x *)data; + struct hfa384x *hw = from_timer(hw, t, commsqual_timer); schedule_work(&hw->commsqual_bh); } diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c index bfb6b0a6528d..b5ba176004c1 100644 --- a/drivers/staging/wlan-ng/prism2usb.c +++ b/drivers/staging/wlan-ng/prism2usb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "hfa384x_usb.c" #include "prism2mgmt.c" #include "prism2mib.c" diff --git a/drivers/staging/xgifb/XGI_main.h b/drivers/staging/xgifb/XGI_main.h index 7a80a90f229f..a3af1cbbf8ee 100644 --- a/drivers/staging/xgifb/XGI_main.h +++ b/drivers/staging/xgifb/XGI_main.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XGIFB_MAIN #define _XGIFB_MAIN /* ------------------- Constant Definitions ------------------------- */ diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c index b450c740f626..b813f1d460ce 100644 --- a/drivers/staging/xgifb/XGI_main_26.c +++ b/drivers/staging/xgifb/XGI_main_26.c @@ -1697,7 +1697,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (XGIfb_get_dram_size(xgifb_info)) { xgifb_info->video_size = min_t(unsigned long, video_size_max, - SZ_16M); + SZ_16M); } else if (xgifb_info->video_size > video_size_max) { xgifb_info->video_size = video_size_max; } @@ -1736,7 +1736,7 @@ static int xgifb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw_info->pjVideoMemoryAddress = ioremap_wc(xgifb_info->video_base, xgifb_info->video_size); xgifb_info->mmio_vbase = ioremap(xgifb_info->mmio_base, - xgifb_info->mmio_size); + xgifb_info->mmio_size); dev_info(&pdev->dev, "Framebuffer at 0x%llx, mapped to 0x%p, size %dk\n", diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h index af50362395d5..982c676c16c6 100644 --- a/drivers/staging/xgifb/XGIfb.h +++ b/drivers/staging/xgifb/XGIfb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_XGIFB #define _LINUX_XGIFB #include "vgatypes.h" diff --git a/drivers/staging/xgifb/vb_def.h b/drivers/staging/xgifb/vb_def.h index 94e2e3c7c264..0311e2682d27 100644 --- a/drivers/staging/xgifb/vb_def.h +++ b/drivers/staging/xgifb/vb_def.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VB_DEF_ #define _VB_DEF_ #include "../../video/fbdev/sis/initdef.h" diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c index 591a3c9babf5..ac1c815a3c5e 100644 --- a/drivers/staging/xgifb/vb_init.c +++ b/drivers/staging/xgifb/vb_init.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/delay.h> #include <linux/vmalloc.h> diff --git a/drivers/staging/xgifb/vb_init.h b/drivers/staging/xgifb/vb_init.h index e835054b87bf..2f8a70133ebd 100644 --- a/drivers/staging/xgifb/vb_init.h +++ b/drivers/staging/xgifb/vb_init.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VBINIT_ #define _VBINIT_ unsigned char XGIInitNew(struct pci_dev *pdev); diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index cea128bede52..e9d930f150cb 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/delay.h> #include "XGIfb.h" @@ -5046,7 +5047,7 @@ unsigned short XGI_GetRatePtrCRT2(struct xgi_hw_device_info *pXGIHWDE, unsigned short ModeIdIndex, struct vb_device_info *pVBInfo) { - const u8 LCDARefreshIndex[] = { + static const u8 LCDARefreshIndex[] = { 0x00, 0x00, 0x03, 0x01, 0x01, 0x01, 0x01, 0x00 }; unsigned short RefreshRateTableIndex, i, index, temp; @@ -5479,8 +5480,9 @@ unsigned char XGISetModeNew(struct xgifb_video_info *xgifb_info, ModeIdIndex)) return 0; - pVBInfo->ModeType = XGI330_EModeIDTable[ModeIdIndex]. - Ext_ModeFlag & ModeTypeMask; + pVBInfo->ModeType = + XGI330_EModeIDTable[ModeIdIndex].Ext_ModeFlag + & ModeTypeMask; pVBInfo->SetFlag = 0; pVBInfo->VBInfo = DisableCRT2Display; diff --git a/drivers/staging/xgifb/vb_setmode.h b/drivers/staging/xgifb/vb_setmode.h index c6317ab00474..5904ed1f2686 100644 --- a/drivers/staging/xgifb/vb_setmode.h +++ b/drivers/staging/xgifb/vb_setmode.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VBSETMODE_ #define _VBSETMODE_ diff --git a/drivers/staging/xgifb/vb_struct.h b/drivers/staging/xgifb/vb_struct.h index 2fd1a5935e1d..e256f72f6d8a 100644 --- a/drivers/staging/xgifb/vb_struct.h +++ b/drivers/staging/xgifb/vb_struct.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VB_STRUCT_ #define _VB_STRUCT_ #include "../../video/fbdev/sis/vstruct.h" diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h index 31dd52c513df..0da63e1da32f 100644 --- a/drivers/staging/xgifb/vb_table.h +++ b/drivers/staging/xgifb/vb_table.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VB_TABLE_ #define _VB_TABLE_ static const struct SiS_MCLKData XGI340New_MCLKData[] = { diff --git a/drivers/staging/xgifb/vb_util.h b/drivers/staging/xgifb/vb_util.h index 052694e75053..0f6d5aac04f6 100644 --- a/drivers/staging/xgifb/vb_util.h +++ b/drivers/staging/xgifb/vb_util.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VBUTIL_ #define _VBUTIL_ static inline void xgifb_reg_set(unsigned long port, u8 index, u8 data) diff --git a/drivers/staging/xgifb/vgatypes.h b/drivers/staging/xgifb/vgatypes.h index de80e5c108dc..22919f2368d5 100644 --- a/drivers/staging/xgifb/vgatypes.h +++ b/drivers/staging/xgifb/vgatypes.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VGATYPES_ #define _VGATYPES_ diff --git a/drivers/target/Makefile b/drivers/target/Makefile index e619c0266a79..45634747377e 100644 --- a/drivers/target/Makefile +++ b/drivers/target/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 target_core_mod-y := target_core_configfs.o \ target_core_device.o \ diff --git a/drivers/target/iscsi/Makefile b/drivers/target/iscsi/Makefile index 0f18295e05bc..8c9ae96b760d 100644 --- a/drivers/target/iscsi/Makefile +++ b/drivers/target/iscsi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 iscsi_target_mod-y += iscsi_target_parameters.o \ iscsi_target_seq_pdu_list.o \ iscsi_target_auth.o \ diff --git a/drivers/target/iscsi/cxgbit/Makefile b/drivers/target/iscsi/cxgbit/Makefile index 4893ec29b6b3..d16aaae7ba2a 100644 --- a/drivers/target/iscsi/cxgbit/Makefile +++ b/drivers/target/iscsi/cxgbit/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-y := -Idrivers/net/ethernet/chelsio/cxgb4 ccflags-y += -Idrivers/net/ethernet/chelsio/libcxgb ccflags-y += -Idrivers/target/iscsi diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 5001261f5d69..9e67c7678c86 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -372,6 +372,8 @@ struct iscsi_np *iscsit_add_np( init_completion(&np->np_restart_comp); INIT_LIST_HEAD(&np->np_list); + timer_setup(&np->np_login_timer, iscsi_handle_login_thread_timeout, 0); + ret = iscsi_target_setup_login_socket(np, sockaddr); if (ret != 0) { kfree(np); diff --git a/drivers/target/iscsi/iscsi_target.h b/drivers/target/iscsi/iscsi_target.h index e0db2ceb0f87..42de1843aa40 100644 --- a/drivers/target/iscsi/iscsi_target.h +++ b/drivers/target/iscsi/iscsi_target.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_H #define ISCSI_TARGET_H diff --git a/drivers/target/iscsi/iscsi_target_auth.h b/drivers/target/iscsi/iscsi_target_auth.h index 1b91c13cc965..d5600ac30b53 100644 --- a/drivers/target/iscsi/iscsi_target_auth.h +++ b/drivers/target/iscsi/iscsi_target_auth.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ISCSI_CHAP_H_ #define _ISCSI_CHAP_H_ diff --git a/drivers/target/iscsi/iscsi_target_datain_values.h b/drivers/target/iscsi/iscsi_target_datain_values.h index 16edeeeb7777..a420fbd37969 100644 --- a/drivers/target/iscsi/iscsi_target_datain_values.h +++ b/drivers/target/iscsi/iscsi_target_datain_values.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_DATAIN_VALUES_H #define ISCSI_TARGET_DATAIN_VALUES_H diff --git a/drivers/target/iscsi/iscsi_target_device.h b/drivers/target/iscsi/iscsi_target_device.h index 06dbff5cd520..ab2166f17785 100644 --- a/drivers/target/iscsi/iscsi_target_device.h +++ b/drivers/target/iscsi/iscsi_target_device.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_DEVICE_H #define ISCSI_TARGET_DEVICE_H diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 7fe2aa73cff6..718fe9a1b709 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -749,9 +749,9 @@ int iscsit_check_post_dataout( } } -static void iscsit_handle_time2retain_timeout(unsigned long data) +void iscsit_handle_time2retain_timeout(struct timer_list *t) { - struct iscsi_session *sess = (struct iscsi_session *) data; + struct iscsi_session *sess = from_timer(sess, t, time2retain_timer); struct iscsi_portal_group *tpg = sess->tpg; struct se_portal_group *se_tpg = &tpg->tpg_se_tpg; @@ -809,14 +809,10 @@ void iscsit_start_time2retain_handler(struct iscsi_session *sess) pr_debug("Starting Time2Retain timer for %u seconds on" " SID: %u\n", sess->sess_ops->DefaultTime2Retain, sess->sid); - init_timer(&sess->time2retain_timer); - sess->time2retain_timer.expires = - (get_jiffies_64() + sess->sess_ops->DefaultTime2Retain * HZ); - sess->time2retain_timer.data = (unsigned long)sess; - sess->time2retain_timer.function = iscsit_handle_time2retain_timeout; sess->time2retain_timer_flags &= ~ISCSI_TF_STOP; sess->time2retain_timer_flags |= ISCSI_TF_RUNNING; - add_timer(&sess->time2retain_timer); + mod_timer(&sess->time2retain_timer, + jiffies + sess->sess_ops->DefaultTime2Retain * HZ); } /* diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h index 3822d9cd1230..883ebf6d36cf 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.h +++ b/drivers/target/iscsi/iscsi_target_erl0.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_ERL0_H #define ISCSI_TARGET_ERL0_H @@ -11,6 +12,7 @@ extern void iscsit_set_dataout_sequence_values(struct iscsi_cmd *); extern int iscsit_check_pre_dataout(struct iscsi_cmd *, unsigned char *); extern int iscsit_check_post_dataout(struct iscsi_cmd *, unsigned char *, u8); extern void iscsit_start_time2retain_handler(struct iscsi_session *); +extern void iscsit_handle_time2retain_timeout(struct timer_list *t); extern int iscsit_stop_time2retain_timer(struct iscsi_session *); extern void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *); extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int); diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c index fe9b7f1e44ac..76184094a0cf 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.c +++ b/drivers/target/iscsi/iscsi_target_erl1.c @@ -1148,11 +1148,11 @@ static int iscsit_set_dataout_timeout_values( /* * NOTE: Called from interrupt (timer) context. */ -static void iscsit_handle_dataout_timeout(unsigned long data) +void iscsit_handle_dataout_timeout(struct timer_list *t) { u32 pdu_length = 0, pdu_offset = 0; u32 r2t_length = 0, r2t_offset = 0; - struct iscsi_cmd *cmd = (struct iscsi_cmd *) data; + struct iscsi_cmd *cmd = from_timer(cmd, t, dataout_timer); struct iscsi_conn *conn = cmd->conn; struct iscsi_session *sess = NULL; struct iscsi_node_attrib *na; @@ -1264,13 +1264,9 @@ void iscsit_start_dataout_timer( pr_debug("Starting DataOUT timer for ITT: 0x%08x on" " CID: %hu.\n", cmd->init_task_tag, conn->cid); - init_timer(&cmd->dataout_timer); - cmd->dataout_timer.expires = (get_jiffies_64() + na->dataout_timeout * HZ); - cmd->dataout_timer.data = (unsigned long)cmd; - cmd->dataout_timer.function = iscsit_handle_dataout_timeout; cmd->dataout_timer_flags &= ~ISCSI_TF_STOP; cmd->dataout_timer_flags |= ISCSI_TF_RUNNING; - add_timer(&cmd->dataout_timer); + mod_timer(&cmd->dataout_timer, jiffies + na->dataout_timeout * HZ); } void iscsit_stop_dataout_timer(struct iscsi_cmd *cmd) diff --git a/drivers/target/iscsi/iscsi_target_erl1.h b/drivers/target/iscsi/iscsi_target_erl1.h index 54d36bd25bea..1f6973f87fea 100644 --- a/drivers/target/iscsi/iscsi_target_erl1.h +++ b/drivers/target/iscsi/iscsi_target_erl1.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_ERL1_H #define ISCSI_TARGET_ERL1_H @@ -29,6 +30,7 @@ extern int iscsit_execute_ooo_cmdsns(struct iscsi_session *); extern int iscsit_execute_cmd(struct iscsi_cmd *, int); extern int iscsit_handle_ooo_cmdsn(struct iscsi_session *, struct iscsi_cmd *, u32); extern void iscsit_remove_ooo_cmdsn(struct iscsi_session *, struct iscsi_ooo_cmdsn *); +extern void iscsit_handle_dataout_timeout(struct timer_list *t); extern void iscsit_mod_dataout_timer(struct iscsi_cmd *); extern void iscsit_start_dataout_timer(struct iscsi_cmd *, struct iscsi_conn *); extern void iscsit_stop_dataout_timer(struct iscsi_cmd *); diff --git a/drivers/target/iscsi/iscsi_target_erl2.h b/drivers/target/iscsi/iscsi_target_erl2.h index 634d01e13652..93e180d68d07 100644 --- a/drivers/target/iscsi/iscsi_target_erl2.h +++ b/drivers/target/iscsi/iscsi_target_erl2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_ERL2_H #define ISCSI_TARGET_ERL2_H diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index dc13afbd4c88..64c5a57b92e4 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -333,6 +333,9 @@ static int iscsi_login_zero_tsih_s1( spin_lock_init(&sess->session_usage_lock); spin_lock_init(&sess->ttt_lock); + timer_setup(&sess->time2retain_timer, + iscsit_handle_time2retain_timeout, 0); + idr_preload(GFP_KERNEL); spin_lock_bh(&sess_idr_lock); ret = idr_alloc(&sess_idr, NULL, 0, 0, GFP_NOWAIT); @@ -839,9 +842,9 @@ void iscsi_post_login_handler( iscsit_dec_conn_usage_count(conn); } -static void iscsi_handle_login_thread_timeout(unsigned long data) +void iscsi_handle_login_thread_timeout(struct timer_list *t) { - struct iscsi_np *np = (struct iscsi_np *) data; + struct iscsi_np *np = from_timer(np, t, np_login_timer); spin_lock_bh(&np->np_thread_lock); pr_err("iSCSI Login timeout on Network Portal %pISpc\n", @@ -866,13 +869,9 @@ static void iscsi_start_login_thread_timer(struct iscsi_np *np) * point we do not have access to ISCSI_TPG_ATTRIB(tpg)->login_timeout */ spin_lock_bh(&np->np_thread_lock); - init_timer(&np->np_login_timer); - np->np_login_timer.expires = (get_jiffies_64() + TA_LOGIN_TIMEOUT * HZ); - np->np_login_timer.data = (unsigned long)np; - np->np_login_timer.function = iscsi_handle_login_thread_timeout; np->np_login_timer_flags &= ~ISCSI_TF_STOP; np->np_login_timer_flags |= ISCSI_TF_RUNNING; - add_timer(&np->np_login_timer); + mod_timer(&np->np_login_timer, jiffies + TA_LOGIN_TIMEOUT * HZ); pr_debug("Added timeout timer to iSCSI login request for" " %u seconds.\n", TA_LOGIN_TIMEOUT); @@ -1266,6 +1265,10 @@ static int __iscsi_target_login_thread(struct iscsi_np *np) pr_debug("Moving to TARG_CONN_STATE_FREE.\n"); conn->conn_state = TARG_CONN_STATE_FREE; + timer_setup(&conn->nopin_response_timer, + iscsit_handle_nopin_response_timeout, 0); + timer_setup(&conn->nopin_timer, iscsit_handle_nopin_timeout, 0); + if (iscsit_conn_set_transport(conn, np->np_transport) < 0) { kfree(conn); return 1; diff --git a/drivers/target/iscsi/iscsi_target_login.h b/drivers/target/iscsi/iscsi_target_login.h index 0e1fd6cedd54..74ac3abc44a0 100644 --- a/drivers/target/iscsi/iscsi_target_login.h +++ b/drivers/target/iscsi/iscsi_target_login.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_LOGIN_H #define ISCSI_TARGET_LOGIN_H @@ -24,5 +25,6 @@ extern void iscsi_post_login_handler(struct iscsi_np *, struct iscsi_conn *, u8) extern void iscsi_target_login_sess_out(struct iscsi_conn *, struct iscsi_np *, bool, bool); extern int iscsi_target_login_thread(void *); +extern void iscsi_handle_login_thread_timeout(struct timer_list *t); #endif /*** ISCSI_TARGET_LOGIN_H ***/ diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 7a6751fecd32..b686e2ce9c0e 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -559,9 +559,15 @@ static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login iscsi_target_login_sess_out(conn, np, zero_tsih, true); } -static void iscsi_target_login_timeout(unsigned long data) +struct conn_timeout { + struct timer_list timer; + struct iscsi_conn *conn; +}; + +static void iscsi_target_login_timeout(struct timer_list *t) { - struct iscsi_conn *conn = (struct iscsi_conn *)data; + struct conn_timeout *timeout = from_timer(timeout, t, timer); + struct iscsi_conn *conn = timeout->conn; pr_debug("Entering iscsi_target_login_timeout >>>>>>>>>>>>>>>>>>>\n"); @@ -580,7 +586,7 @@ static void iscsi_target_do_login_rx(struct work_struct *work) struct iscsi_np *np = login->np; struct iscsi_portal_group *tpg = conn->tpg; struct iscsi_tpg_np *tpg_np = conn->tpg_np; - struct timer_list login_timer; + struct conn_timeout timeout; int rc, zero_tsih = login->zero_tsih; bool state; @@ -618,15 +624,14 @@ static void iscsi_target_do_login_rx(struct work_struct *work) conn->login_kworker = current; allow_signal(SIGINT); - init_timer(&login_timer); - login_timer.expires = (get_jiffies_64() + TA_LOGIN_TIMEOUT * HZ); - login_timer.data = (unsigned long)conn; - login_timer.function = iscsi_target_login_timeout; - add_timer(&login_timer); - pr_debug("Starting login_timer for %s/%d\n", current->comm, current->pid); + timeout.conn = conn; + timer_setup_on_stack(&timeout.timer, iscsi_target_login_timeout, 0); + mod_timer(&timeout.timer, jiffies + TA_LOGIN_TIMEOUT * HZ); + pr_debug("Starting login timer for %s/%d\n", current->comm, current->pid); rc = conn->conn_transport->iscsit_get_login_rx(conn, login); - del_timer_sync(&login_timer); + del_timer_sync(&timeout.timer); + destroy_timer_on_stack(&timeout.timer); flush_signals(current); conn->login_kworker = NULL; diff --git a/drivers/target/iscsi/iscsi_target_nego.h b/drivers/target/iscsi/iscsi_target_nego.h index 53438bfca4c6..835e1b769b3f 100644 --- a/drivers/target/iscsi/iscsi_target_nego.h +++ b/drivers/target/iscsi/iscsi_target_nego.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_NEGO_H #define ISCSI_TARGET_NEGO_H diff --git a/drivers/target/iscsi/iscsi_target_nodeattrib.h b/drivers/target/iscsi/iscsi_target_nodeattrib.h index 79cdf06ade48..ce074cb54579 100644 --- a/drivers/target/iscsi/iscsi_target_nodeattrib.h +++ b/drivers/target/iscsi/iscsi_target_nodeattrib.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_NODEATTRIB_H #define ISCSI_TARGET_NODEATTRIB_H diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h index c47b73f57528..daf47f38e081 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.h +++ b/drivers/target/iscsi/iscsi_target_parameters.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_PARAMETERS_H #define ISCSI_PARAMETERS_H diff --git a/drivers/target/iscsi/iscsi_target_seq_pdu_list.h b/drivers/target/iscsi/iscsi_target_seq_pdu_list.h index be1234362271..5a0907027973 100644 --- a/drivers/target/iscsi/iscsi_target_seq_pdu_list.h +++ b/drivers/target/iscsi/iscsi_target_seq_pdu_list.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_SEQ_AND_PDU_LIST_H #define ISCSI_SEQ_AND_PDU_LIST_H diff --git a/drivers/target/iscsi/iscsi_target_tmr.h b/drivers/target/iscsi/iscsi_target_tmr.h index 64cc5c07e47c..301f0936bd8e 100644 --- a/drivers/target/iscsi/iscsi_target_tmr.h +++ b/drivers/target/iscsi/iscsi_target_tmr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_TMR_H #define ISCSI_TARGET_TMR_H diff --git a/drivers/target/iscsi/iscsi_target_tpg.h b/drivers/target/iscsi/iscsi_target_tpg.h index 59fd3cabe89d..88576f5d0ca4 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.h +++ b/drivers/target/iscsi/iscsi_target_tpg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_TPG_H #define ISCSI_TARGET_TPG_H diff --git a/drivers/target/iscsi/iscsi_target_transport.c b/drivers/target/iscsi/iscsi_target_transport.c index c4eb141c6435..036940518bfe 100644 --- a/drivers/target/iscsi/iscsi_target_transport.c +++ b/drivers/target/iscsi/iscsi_target_transport.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/spinlock.h> #include <linux/list.h> #include <linux/module.h> diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 1e36f83b5961..54f20f184dd6 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -176,6 +176,7 @@ struct iscsi_cmd *iscsit_allocate_cmd(struct iscsi_conn *conn, int state) spin_lock_init(&cmd->istate_lock); spin_lock_init(&cmd->error_lock); spin_lock_init(&cmd->r2t_lock); + timer_setup(&cmd->dataout_timer, iscsit_handle_dataout_timeout, 0); return cmd; } @@ -880,9 +881,9 @@ static int iscsit_add_nopin(struct iscsi_conn *conn, int want_response) return 0; } -static void iscsit_handle_nopin_response_timeout(unsigned long data) +void iscsit_handle_nopin_response_timeout(struct timer_list *t) { - struct iscsi_conn *conn = (struct iscsi_conn *) data; + struct iscsi_conn *conn = from_timer(conn, t, nopin_response_timer); iscsit_inc_conn_usage_count(conn); @@ -949,14 +950,10 @@ void iscsit_start_nopin_response_timer(struct iscsi_conn *conn) return; } - init_timer(&conn->nopin_response_timer); - conn->nopin_response_timer.expires = - (get_jiffies_64() + na->nopin_response_timeout * HZ); - conn->nopin_response_timer.data = (unsigned long)conn; - conn->nopin_response_timer.function = iscsit_handle_nopin_response_timeout; conn->nopin_response_timer_flags &= ~ISCSI_TF_STOP; conn->nopin_response_timer_flags |= ISCSI_TF_RUNNING; - add_timer(&conn->nopin_response_timer); + mod_timer(&conn->nopin_response_timer, + jiffies + na->nopin_response_timeout * HZ); pr_debug("Started NOPIN Response Timer on CID: %d to %u" " seconds\n", conn->cid, na->nopin_response_timeout); @@ -980,9 +977,9 @@ void iscsit_stop_nopin_response_timer(struct iscsi_conn *conn) spin_unlock_bh(&conn->nopin_timer_lock); } -static void iscsit_handle_nopin_timeout(unsigned long data) +void iscsit_handle_nopin_timeout(struct timer_list *t) { - struct iscsi_conn *conn = (struct iscsi_conn *) data; + struct iscsi_conn *conn = from_timer(conn, t, nopin_timer); iscsit_inc_conn_usage_count(conn); @@ -1015,13 +1012,9 @@ void __iscsit_start_nopin_timer(struct iscsi_conn *conn) if (conn->nopin_timer_flags & ISCSI_TF_RUNNING) return; - init_timer(&conn->nopin_timer); - conn->nopin_timer.expires = (get_jiffies_64() + na->nopin_timeout * HZ); - conn->nopin_timer.data = (unsigned long)conn; - conn->nopin_timer.function = iscsit_handle_nopin_timeout; conn->nopin_timer_flags &= ~ISCSI_TF_STOP; conn->nopin_timer_flags |= ISCSI_TF_RUNNING; - add_timer(&conn->nopin_timer); + mod_timer(&conn->nopin_timer, jiffies + na->nopin_timeout * HZ); pr_debug("Started NOPIN Timer on CID: %d at %u second" " interval\n", conn->cid, na->nopin_timeout); @@ -1043,13 +1036,9 @@ void iscsit_start_nopin_timer(struct iscsi_conn *conn) return; } - init_timer(&conn->nopin_timer); - conn->nopin_timer.expires = (get_jiffies_64() + na->nopin_timeout * HZ); - conn->nopin_timer.data = (unsigned long)conn; - conn->nopin_timer.function = iscsit_handle_nopin_timeout; conn->nopin_timer_flags &= ~ISCSI_TF_STOP; conn->nopin_timer_flags |= ISCSI_TF_RUNNING; - add_timer(&conn->nopin_timer); + mod_timer(&conn->nopin_timer, jiffies + na->nopin_timeout * HZ); pr_debug("Started NOPIN Timer on CID: %d at %u second" " interval\n", conn->cid, na->nopin_timeout); diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 425160565d0c..d66dfc212624 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef ISCSI_TARGET_UTIL_H #define ISCSI_TARGET_UTIL_H @@ -47,9 +48,11 @@ extern struct iscsi_conn *iscsit_get_conn_from_cid_rcfr(struct iscsi_session *, extern void iscsit_check_conn_usage_count(struct iscsi_conn *); extern void iscsit_dec_conn_usage_count(struct iscsi_conn *); extern void iscsit_inc_conn_usage_count(struct iscsi_conn *); +extern void iscsit_handle_nopin_response_timeout(struct timer_list *t); extern void iscsit_mod_nopin_response_timer(struct iscsi_conn *); extern void iscsit_start_nopin_response_timer(struct iscsi_conn *); extern void iscsit_stop_nopin_response_timer(struct iscsi_conn *); +extern void iscsit_handle_nopin_timeout(struct timer_list *t); extern void __iscsit_start_nopin_timer(struct iscsi_conn *); extern void iscsit_start_nopin_timer(struct iscsi_conn *); extern void iscsit_stop_nopin_timer(struct iscsi_conn *); diff --git a/drivers/target/loopback/tcm_loop.h b/drivers/target/loopback/tcm_loop.h index 3acc43c05117..d3110909a213 100644 --- a/drivers/target/loopback/tcm_loop.h +++ b/drivers/target/loopback/tcm_loop.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/types.h> #include <linux/device.h> #include <target/target_core_base.h> /* struct se_cmd */ diff --git a/drivers/target/sbp/sbp_target.h b/drivers/target/sbp/sbp_target.h index 73bcb1208832..1d101ac86527 100644 --- a/drivers/target/sbp/sbp_target.h +++ b/drivers/target/sbp/sbp_target.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SBP_BASE_H #define _SBP_BASE_H diff --git a/drivers/target/target_core_alua.h b/drivers/target/target_core_alua.h index c69c11baf07f..1902cb5c3b52 100644 --- a/drivers/target/target_core_alua.h +++ b/drivers/target/target_core_alua.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_ALUA_H #define TARGET_CORE_ALUA_H diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index 526595a072de..53be5ffd3261 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_FILE_H #define TARGET_CORE_FILE_H diff --git a/drivers/target/target_core_iblock.h b/drivers/target/target_core_iblock.h index f2a5797217d4..b4aeb2584ad4 100644 --- a/drivers/target/target_core_iblock.h +++ b/drivers/target/target_core_iblock.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_IBLOCK_H #define TARGET_CORE_IBLOCK_H diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index f30e8ac13386..18e3eb16e756 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_INTERNAL_H #define TARGET_CORE_INTERNAL_H diff --git a/drivers/target/target_core_pr.h b/drivers/target/target_core_pr.h index 772f9148e75c..198fad5c89dc 100644 --- a/drivers/target/target_core_pr.h +++ b/drivers/target/target_core_pr.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_PR_H #define TARGET_CORE_PR_H diff --git a/drivers/target/target_core_pscsi.h b/drivers/target/target_core_pscsi.h index b86fb0e1b783..e8458b5e85c9 100644 --- a/drivers/target/target_core_pscsi.h +++ b/drivers/target/target_core_pscsi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_PSCSI_H #define TARGET_CORE_PSCSI_H diff --git a/drivers/target/target_core_rd.h b/drivers/target/target_core_rd.h index 91fc1a34791d..8b88f9b14c3f 100644 --- a/drivers/target/target_core_rd.h +++ b/drivers/target/target_core_rd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_RD_H #define TARGET_CORE_RD_H diff --git a/drivers/target/target_core_ua.h b/drivers/target/target_core_ua.h index 97402856a8f0..b0f4205a96cd 100644 --- a/drivers/target/target_core_ua.h +++ b/drivers/target/target_core_ua.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef TARGET_CORE_UA_H #define TARGET_CORE_UA_H diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 942d094269fb..9469695f5871 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -985,7 +985,7 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev) mb = udev->mb_addr; tcmu_flush_dcache_range(mb, sizeof(*mb)); - while (udev->cmdr_last_cleaned != ACCESS_ONCE(mb->cmd_tail)) { + while (udev->cmdr_last_cleaned != READ_ONCE(mb->cmd_tail)) { struct tcmu_cmd_entry *entry = (void *) mb + CMDR_OFF + udev->cmdr_last_cleaned; struct tcmu_cmd *cmd; diff --git a/drivers/target/target_core_xcopy.h b/drivers/target/target_core_xcopy.h index 7c0b105cbe1b..26ba4c3c9cff 100644 --- a/drivers/target/target_core_xcopy.h +++ b/drivers/target/target_core_xcopy.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <target/target_core_base.h> #define XCOPY_HDR_LEN 16 diff --git a/drivers/target/tcm_fc/Makefile b/drivers/target/tcm_fc/Makefile index 20b14bb087c9..a7d1593ab5af 100644 --- a/drivers/target/tcm_fc/Makefile +++ b/drivers/target/tcm_fc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 tcm_fc-y += tfc_cmd.o \ tfc_conf.o \ tfc_io.o \ diff --git a/drivers/tee/Makefile b/drivers/tee/Makefile index 7a4e4a1ac39c..21f51fd88b07 100644 --- a/drivers/tee/Makefile +++ b/drivers/tee/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TEE) += tee.o tee-objs += tee_core.o tee-objs += tee_shm.o diff --git a/drivers/tee/optee/Makefile b/drivers/tee/optee/Makefile index 92fe5789bcce..d526fb88d9c5 100644 --- a/drivers/tee/optee/Makefile +++ b/drivers/tee/optee/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_OPTEE) += optee.o optee-objs += core.o optee-objs += call.o diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile index 8b79bca23536..195cd08fbc30 100644 --- a/drivers/thermal/Makefile +++ b/drivers/thermal/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for sensor chip drivers. # diff --git a/drivers/thermal/int340x_thermal/Makefile b/drivers/thermal/int340x_thermal/Makefile index df0df055e7ff..287eb0a1476d 100644 --- a/drivers/thermal/int340x_thermal/Makefile +++ b/drivers/thermal/int340x_thermal/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_INT340X_THERMAL) += int3400_thermal.o obj-$(CONFIG_INT340X_THERMAL) += int340x_thermal_zone.o obj-$(CONFIG_INT340X_THERMAL) += int3402_thermal.o diff --git a/drivers/thermal/int340x_thermal/acpi_thermal_rel.h b/drivers/thermal/int340x_thermal/acpi_thermal_rel.h index 65075b174329..58822575fd54 100644 --- a/drivers/thermal/int340x_thermal/acpi_thermal_rel.h +++ b/drivers/thermal/int340x_thermal/acpi_thermal_rel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ACPI_ACPI_THERMAL_H #define __ACPI_ACPI_THERMAL_H diff --git a/drivers/thermal/tegra/Makefile b/drivers/thermal/tegra/Makefile index 1ce1af2cf0f5..8a3f221f17c1 100644 --- a/drivers/thermal/tegra/Makefile +++ b/drivers/thermal/tegra/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TEGRA_SOCTHERM) += tegra-soctherm.o tegra-soctherm-y := soctherm.o soctherm-fuse.o diff --git a/drivers/thermal/ti-soc-thermal/Makefile b/drivers/thermal/ti-soc-thermal/Makefile index 0f89bdf03790..f180ebead858 100644 --- a/drivers/thermal/ti-soc-thermal/Makefile +++ b/drivers/thermal/ti-soc-thermal/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TI_SOC_THERMAL) += ti-soc-thermal.o ti-soc-thermal-y := ti-bandgap.o ti-soc-thermal-$(CONFIG_TI_THERMAL) += ti-thermal-common.o diff --git a/drivers/thunderbolt/cap.c b/drivers/thunderbolt/cap.c index 38bc27a5ce4f..c2277b8ee88d 100644 --- a/drivers/thunderbolt/cap.c +++ b/drivers/thunderbolt/cap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - capabilities lookup * diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c index fb40dd0588b9..423ae231fc6c 100644 --- a/drivers/thunderbolt/ctl.c +++ b/drivers/thunderbolt/ctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - control channel and configuration commands * diff --git a/drivers/thunderbolt/ctl.h b/drivers/thunderbolt/ctl.h index 36fd28b1c1c5..dd34f627ce49 100644 --- a/drivers/thunderbolt/ctl.h +++ b/drivers/thunderbolt/ctl.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt Cactus Ridge driver - control channel and configuration commands * diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index fe2f00ceafc5..3e8caf22c294 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - eeprom access * diff --git a/drivers/thunderbolt/nhi.h b/drivers/thunderbolt/nhi.h index 5b5bb2c436be..1c7e6b92e235 100644 --- a/drivers/thunderbolt/nhi.h +++ b/drivers/thunderbolt/nhi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt Cactus Ridge driver - NHI driver * diff --git a/drivers/thunderbolt/nhi_regs.h b/drivers/thunderbolt/nhi_regs.h index 09ed574e92ff..752ec04305f3 100644 --- a/drivers/thunderbolt/nhi_regs.h +++ b/drivers/thunderbolt/nhi_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt driver - NHI registers * diff --git a/drivers/thunderbolt/path.c b/drivers/thunderbolt/path.c index 9562cd026dc0..ff49ad880bfd 100644 --- a/drivers/thunderbolt/path.c +++ b/drivers/thunderbolt/path.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - path/tunnel functionality * diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index 53f40c57df59..3953d17202a8 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - switch/port utility functions * diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 0b22ad9d68b4..d674e06767a5 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - bus logic (NHI independent) * diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index e0deee4f1eb0..d7ffc159bcf7 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt Cactus Ridge driver - bus logic (NHI independent) * diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h index 582bd1f156dc..5d94142afda6 100644 --- a/drivers/thunderbolt/tb_regs.h +++ b/drivers/thunderbolt/tb_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt Cactus Ridge driver - Port/Switch config area registers * diff --git a/drivers/thunderbolt/tunnel_pci.c b/drivers/thunderbolt/tunnel_pci.c index ca4475907d7a..0637537ea53f 100644 --- a/drivers/thunderbolt/tunnel_pci.c +++ b/drivers/thunderbolt/tunnel_pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - PCIe tunnel * diff --git a/drivers/thunderbolt/tunnel_pci.h b/drivers/thunderbolt/tunnel_pci.h index a67f93c140fa..f9b65fa1fd4d 100644 --- a/drivers/thunderbolt/tunnel_pci.h +++ b/drivers/thunderbolt/tunnel_pci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Thunderbolt Cactus Ridge driver - PCIe tunnel * diff --git a/drivers/tty/Makefile b/drivers/tty/Makefile index 16330a819685..8ce3a8661b31 100644 --- a/drivers/tty/Makefile +++ b/drivers/tty/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_TTY) += tty_io.o n_tty.o tty_ioctl.o tty_ldisc.o \ tty_buffer.o tty_port.o tty_mutex.o \ tty_ldsem.o tty_baudrate.o tty_jobctrl.o \ diff --git a/drivers/tty/amiserial.c b/drivers/tty/amiserial.c index 9820e20993db..32d7ce430b02 100644 --- a/drivers/tty/amiserial.c +++ b/drivers/tty/amiserial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Serial driver for the amiga builtin port. * diff --git a/drivers/tty/bfin_jtag_comm.c b/drivers/tty/bfin_jtag_comm.c index ce24182f8514..c369bf27a67b 100644 --- a/drivers/tty/bfin_jtag_comm.c +++ b/drivers/tty/bfin_jtag_comm.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * TTY over Blackfin JTAG Communication * * Copyright 2008-2009 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #define DRV_NAME "bfin-jtag-comm" diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c index d272bc4e7fb5..5d442469c95e 100644 --- a/drivers/tty/cyclades.c +++ b/drivers/tty/cyclades.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #undef BLOCKMOVE #define Z_WAKE #undef Z_EXT_CHARS_IN_BUFFER @@ -283,11 +284,10 @@ static void cyz_poll(unsigned long); /* The Cyclades-Z polling cycle is defined by this variable */ static long cyz_polling_cycle = CZ_DEF_POLL; -static DEFINE_TIMER(cyz_timerlist, cyz_poll, 0, 0); +static DEFINE_TIMER(cyz_timerlist, cyz_poll); #else /* CONFIG_CYZ_INTR */ -static void cyz_rx_restart(unsigned long); -static struct timer_list cyz_rx_full_timer[NR_PORTS]; +static void cyz_rx_restart(struct timer_list *); #endif /* CONFIG_CYZ_INTR */ static void cyy_writeb(struct cyclades_port *port, u32 reg, u8 val) @@ -992,10 +992,8 @@ static void cyz_handle_rx(struct cyclades_port *info) else char_count = rx_put - rx_get + rx_bufsize; if (char_count >= readl(&buf_ctrl->rx_threshold) && - !timer_pending(&cyz_rx_full_timer[ - info->line])) - mod_timer(&cyz_rx_full_timer[info->line], - jiffies + 1); + !timer_pending(&info->rx_full_timer)) + mod_timer(&info->rx_full_timer, jiffies + 1); #endif info->idle_stats.recv_idle = jiffies; tty_schedule_flip(&info->port); @@ -1197,9 +1195,9 @@ static irqreturn_t cyz_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } /* cyz_interrupt */ -static void cyz_rx_restart(unsigned long arg) +static void cyz_rx_restart(struct timer_list *t) { - struct cyclades_port *info = (struct cyclades_port *)arg; + struct cyclades_port *info = from_timer(info, t, rx_full_timer); struct cyclades_card *card = info->card; int retval; __u32 channel = info->line - card->first_line; @@ -3097,8 +3095,7 @@ static int cy_init_card(struct cyclades_card *cinfo) else info->xmit_fifo_size = 4 * CYZ_FIFO_SIZE; #ifdef CONFIG_CYZ_INTR - setup_timer(&cyz_rx_full_timer[port], - cyz_rx_restart, (unsigned long)info); + timer_setup(&info->rx_full_timer, cyz_rx_restart, 0); #endif } else { unsigned short chip_number; diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index a1c7125cb968..47ac56817c43 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* ePAPR hypervisor byte channel device driver * * Copyright 2009-2011 Freescale Semiconductor, Inc. * * Author: Timur Tabi <timur@freescale.com> * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - * * This driver support three distinct interfaces, all of which are related to * ePAPR hypervisor byte channels. * @@ -328,7 +325,7 @@ console_initcall(ehv_bc_console_init); /******************************** TTY DRIVER ********************************/ /* - * byte channel receive interupt handler + * byte channel receive interrupt handler * * This ISR is called whenever data is available on a byte channel. */ @@ -428,7 +425,7 @@ static void ehv_bc_tx_dequeue(struct ehv_bc_data *bc) } /* - * byte channel transmit interupt handler + * byte channel transmit interrupt handler * * This ISR is called whenever space becomes available for transmitting * characters on a byte channel. diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index 381e981dee06..7f657bb5113c 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2007 Google, Inc. * Copyright (C) 2012 Intel, Inc. * Copyright (C) 2017 Imagination Technologies Ltd. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #include <linux/console.h> diff --git a/drivers/tty/hvc/Makefile b/drivers/tty/hvc/Makefile index 6a2702be76d1..0b02ec7f1dfd 100644 --- a/drivers/tty/hvc/Makefile +++ b/drivers/tty/hvc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi_lib.o obj-$(CONFIG_HVC_OPAL) += hvc_opal.o hvsi_lib.o obj-$(CONFIG_HVC_OLD_HVSI) += hvsi.o diff --git a/drivers/tty/hvc/hvc_bfin_jtag.c b/drivers/tty/hvc/hvc_bfin_jtag.c index 31d6cc6a77af..dd7cae4c195b 100644 --- a/drivers/tty/hvc/hvc_bfin_jtag.c +++ b/drivers/tty/hvc/hvc_bfin_jtag.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Console via Blackfin JTAG Communication * * Copyright 2008-2011 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #include <linux/console.h> diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index a8d399188242..7709fcc707f4 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2001 Anton Blanchard <anton@au.ibm.com>, IBM * Copyright (C) 2001 Paul Mackerras <paulus@au.ibm.com>, IBM @@ -6,20 +7,6 @@ * * Additional Author(s): * Ryan S. Arnold <rsa@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/console.h> diff --git a/drivers/tty/hvc/hvc_console.h b/drivers/tty/hvc/hvc_console.h index 798c48d0d32c..ea63090e013f 100644 --- a/drivers/tty/hvc/hvc_console.h +++ b/drivers/tty/hvc/hvc_console.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * hvc_console.h * Copyright (C) 2005 IBM Corporation @@ -8,20 +9,6 @@ * hvc_console header information: * moved here from arch/powerpc/include/asm/hvconsole.h * and drivers/char/hvc_console.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef HVC_CONSOLE_H diff --git a/drivers/tty/hvc/hvc_dcc.c b/drivers/tty/hvc/hvc_dcc.c index 82f240fb98f0..02629a1f193d 100644 --- a/drivers/tty/hvc/hvc_dcc.c +++ b/drivers/tty/hvc/hvc_dcc.c @@ -1,14 +1,5 @@ -/* Copyright (c) 2010, 2014 The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2010, 2014 The Linux Foundation. All rights reserved. */ #include <linux/init.h> diff --git a/drivers/tty/hvc/hvc_irq.c b/drivers/tty/hvc/hvc_irq.c index bc7a96874637..4b255dfef2cc 100644 --- a/drivers/tty/hvc/hvc_irq.c +++ b/drivers/tty/hvc/hvc_irq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright IBM Corp. 2001,2008 * diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c index 8b70a1627356..a74680729825 100644 --- a/drivers/tty/hvc/hvc_iucv.c +++ b/drivers/tty/hvc/hvc_iucv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * z/VM IUCV hypervisor console (HVC) device driver * diff --git a/drivers/tty/hvc/hvc_opal.c b/drivers/tty/hvc/hvc_opal.c index 16331a90c1e8..2ed07ca6389e 100644 --- a/drivers/tty/hvc/hvc_opal.c +++ b/drivers/tty/hvc/hvc_opal.c @@ -1,22 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * opal driver interface to hvc_console.c * * Copyright 2011 Benjamin Herrenschmidt <benh@kernel.crashing.org>, IBM Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #undef DEBUG diff --git a/drivers/tty/hvc/hvc_rtas.c b/drivers/tty/hvc/hvc_rtas.c index 08c87920b74a..e8b8c645482b 100644 --- a/drivers/tty/hvc/hvc_rtas.c +++ b/drivers/tty/hvc/hvc_rtas.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * IBM RTAS driver interface to hvc_console.c * @@ -11,20 +12,6 @@ * * inspired by drivers/char/hvc_console.c * written by Anton Blanchard and Paul Mackerras - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/console.h> diff --git a/drivers/tty/hvc/hvc_tile.c b/drivers/tty/hvc/hvc_tile.c index 9da1e842bbe9..b517c0661abb 100644 --- a/drivers/tty/hvc/hvc_tile.c +++ b/drivers/tty/hvc/hvc_tile.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2010 Tilera Corporation. All Rights Reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - * * Tilera TILE Processor hypervisor console */ diff --git a/drivers/tty/hvc/hvc_udbg.c b/drivers/tty/hvc/hvc_udbg.c index 9cf573d06a29..a4c9913f76a0 100644 --- a/drivers/tty/hvc/hvc_udbg.c +++ b/drivers/tty/hvc/hvc_udbg.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * udbg interface to hvc_console.c * * (C) Copyright David Gibson, IBM Corporation 2008. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/console.h> diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c index a1d272ac82bb..59eaa620bf13 100644 --- a/drivers/tty/hvc/hvc_vio.c +++ b/drivers/tty/hvc/hvc_vio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * vio driver interface to hvc_console.c * @@ -14,20 +15,6 @@ * Additional Author(s): * Ryan S. Arnold <rsa@us.ibm.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * TODO: * * - handle error in sending hvsi protocol packets diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index 5e87e4866bcb..dc43fa96c3de 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * xen console driver interface to hvc_console.c * * (c) 2007 Gerd Hoffmann <kraxel@suse.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/console.h> diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c index 63c29fe9d21f..1db1d97e72e7 100644 --- a/drivers/tty/hvc/hvcs.c +++ b/drivers/tty/hvc/hvcs.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * IBM eServer Hypervisor Virtual Console Server Device Driver * Copyright (C) 2003, 2004 IBM Corp. * Ryan S. Arnold (rsa@us.ibm.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * Author(s) : Ryan S. Arnold <rsa@us.ibm.com> * * This is the device driver for the IBM Hypervisor Virtual Console Server, diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c index 2e578d6433af..66f95f758be0 100644 --- a/drivers/tty/hvc/hvsi.c +++ b/drivers/tty/hvc/hvsi.c @@ -1,19 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2004 Hollis Blanchard <hollisb@us.ibm.com>, IBM - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* Host Virtual Serial Interface (HVSI) is a protocol between the hosted OS diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c index a270f04588d7..09289c8154ae 100644 --- a/drivers/tty/hvc/hvsi_lib.c +++ b/drivers/tty/hvc/hvsi_lib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/delay.h> #include <linux/slab.h> diff --git a/drivers/tty/ipwireless/hardware.c b/drivers/tty/ipwireless/hardware.c index df0204b6148f..a6b8240af6cd 100644 --- a/drivers/tty/ipwireless/hardware.c +++ b/drivers/tty/ipwireless/hardware.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/hardware.h b/drivers/tty/ipwireless/hardware.h index 90a8590e43b0..e524a8fcc2ad 100644 --- a/drivers/tty/ipwireless/hardware.h +++ b/drivers/tty/ipwireless/hardware.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/main.c b/drivers/tty/ipwireless/main.c index 655c7948261c..3475e841ef5c 100644 --- a/drivers/tty/ipwireless/main.c +++ b/drivers/tty/ipwireless/main.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/main.h b/drivers/tty/ipwireless/main.h index f2cbb116bccb..73818bb64416 100644 --- a/drivers/tty/ipwireless/main.h +++ b/drivers/tty/ipwireless/main.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/network.c b/drivers/tty/ipwireless/network.c index c2f9a3263b37..695439c03147 100644 --- a/drivers/tty/ipwireless/network.c +++ b/drivers/tty/ipwireless/network.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/network.h b/drivers/tty/ipwireless/network.h index 561f765b3334..784932a59a73 100644 --- a/drivers/tty/ipwireless/network.h +++ b/drivers/tty/ipwireless/network.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/setup_protocol.h b/drivers/tty/ipwireless/setup_protocol.h index 002c34e72521..d4a7ae257ca5 100644 --- a/drivers/tty/ipwireless/setup_protocol.h +++ b/drivers/tty/ipwireless/setup_protocol.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c index 2685d59d2724..1ef751c27ac6 100644 --- a/drivers/tty/ipwireless/tty.c +++ b/drivers/tty/ipwireless/tty.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/ipwireless/tty.h b/drivers/tty/ipwireless/tty.h index 747b2d637860..ec698d9f338b 100644 --- a/drivers/tty/ipwireless/tty.h +++ b/drivers/tty/ipwireless/tty.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * IPWireless 3G PCMCIA Network Driver * diff --git a/drivers/tty/isicom.c b/drivers/tty/isicom.c index 61ecdd6b2fc2..ee7958ab269f 100644 --- a/drivers/tty/isicom.c +++ b/drivers/tty/isicom.c @@ -1,9 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0+ /* - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * Original driver code supplied by Multi-Tech * * Changes @@ -177,7 +173,7 @@ static struct tty_driver *isicom_normal; static void isicom_tx(unsigned long _data); static void isicom_start(struct tty_struct *tty); -static DEFINE_TIMER(tx, isicom_tx, 0, 0); +static DEFINE_TIMER(tx, isicom_tx); /* baud index mappings from linux defns to isi */ diff --git a/drivers/tty/metag_da.c b/drivers/tty/metag_da.c index 25ccef2fe748..99eaed4b2dbc 100644 --- a/drivers/tty/metag_da.c +++ b/drivers/tty/metag_da.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * dashtty.c - tty driver for Dash channels interface. * * Copyright (C) 2007,2008,2012 Imagination Technologies - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - * */ #include <linux/atomic.h> @@ -309,7 +305,7 @@ static int put_data(void *arg) /* * This gets called every DA_TTY_POLL and polls the channels for data */ -static void dashtty_timer(unsigned long ignored) +static void dashtty_timer(struct timer_list *poll_timer) { int channel; @@ -323,12 +319,12 @@ static void dashtty_timer(unsigned long ignored) if (channel >= 0) fetch_data(channel); - mod_timer(&poll_timer, jiffies + DA_TTY_POLL); + mod_timer(poll_timer, jiffies + DA_TTY_POLL); } static void add_poll_timer(struct timer_list *poll_timer) { - setup_pinned_timer(poll_timer, dashtty_timer, 0); + timer_setup(poll_timer, dashtty_timer, TIMER_PINNED); poll_timer->expires = jiffies + DA_TTY_POLL; /* @@ -461,7 +457,7 @@ static void dashtty_hangup(struct tty_struct *tty) * buffers. It is used to delay the expensive writeout until the writer has * stopped writing. */ -static void dashtty_put_timer(unsigned long ignored) +static void dashtty_put_timer(struct timer_list *unused) { if (atomic_read(&dashtty_xmit_cnt)) wake_up_interruptible(&dashtty_waitqueue); @@ -603,7 +599,7 @@ static int __init dashtty_init(void) complete(&dport->xmit_empty); } - setup_timer(&put_timer, dashtty_put_timer, 0); + timer_setup(&put_timer, dashtty_put_timer, 0); init_waitqueue_head(&dashtty_waitqueue); dashtty_thread = kthread_create(put_data, NULL, "ttyDA"); diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c index a2dab3fb8751..4c1cd49ae95b 100644 --- a/drivers/tty/mips_ejtag_fdc.c +++ b/drivers/tty/mips_ejtag_fdc.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * TTY driver for MIPS EJTAG Fast Debug Channels. * * Copyright (C) 2007-2015 Imagination Technologies Ltd - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive for more - * details. */ #include <linux/atomic.h> @@ -683,9 +680,9 @@ static irqreturn_t mips_ejtag_fdc_isr(int irq, void *dev_id) * It simply triggers the common FDC handler code and arranges for further * polling. */ -static void mips_ejtag_fdc_tty_timer(unsigned long opaque) +static void mips_ejtag_fdc_tty_timer(struct timer_list *t) { - struct mips_ejtag_fdc_tty *priv = (void *)opaque; + struct mips_ejtag_fdc_tty *priv = from_timer(priv, t, poll_timer); mips_ejtag_fdc_handle(priv); if (!priv->removing) @@ -1002,8 +999,8 @@ static int mips_ejtag_fdc_tty_probe(struct mips_cdmm_device *dev) raw_spin_unlock_irq(&priv->lock); } else { /* If we didn't get an usable IRQ, poll instead */ - setup_pinned_timer(&priv->poll_timer, mips_ejtag_fdc_tty_timer, - (unsigned long)priv); + timer_setup(&priv->poll_timer, mips_ejtag_fdc_tty_timer, + TIMER_PINNED); priv->poll_timer.expires = jiffies + FDC_TTY_POLL; /* * Always attach the timer to the right CPU. The channels are diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c index 7f3d4cb0341b..65a70f3c7cde 100644 --- a/drivers/tty/moxa.c +++ b/drivers/tty/moxa.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /*****************************************************************************/ /* * moxa.c -- MOXA Intellio family multiport serial driver. @@ -7,11 +8,6 @@ * * This code is loosely based on the Linux serial driver, written by * Linus Torvalds, Theodore T'so and others. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* @@ -428,7 +424,7 @@ static const struct tty_port_operations moxa_port_ops = { }; static struct tty_driver *moxaDriver; -static DEFINE_TIMER(moxaTimer, moxa_poll, 0, 0); +static DEFINE_TIMER(moxaTimer, moxa_poll); /* * HW init diff --git a/drivers/tty/moxa.h b/drivers/tty/moxa.h index 87d16ce57be7..8ce89fd36c7b 100644 --- a/drivers/tty/moxa.h +++ b/drivers/tty/moxa.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef MOXA_H_FILE #define MOXA_H_FILE diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 7dd38047ba23..8bc15cb67a58 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * mxser.c -- MOXA Smartio/Industio family multiport serial driver. * @@ -8,11 +9,6 @@ * Linux serial driver, written by Linus Torvalds, Theodore T'so and * others. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Fed through a cleanup, indent and remove of non 2.6 code by Alan Cox * <alan@lxorguk.ukuu.org.uk>. The original 1.8 code is available on * www.moxa.com. @@ -642,8 +638,7 @@ static int mxser_set_baud(struct tty_struct *tty, long newspd) * This routine is called to set the UART divisor registers to match * the specified baud rate for a serial port. */ -static int mxser_change_speed(struct tty_struct *tty, - struct ktermios *old_termios) +static int mxser_change_speed(struct tty_struct *tty) { struct mxser_port *info = tty->driver_data; unsigned cflag, cval, fcr; @@ -945,7 +940,7 @@ static int mxser_activate(struct tty_port *port, struct tty_struct *tty) /* * and set the speed of the serial port */ - mxser_change_speed(tty, NULL); + mxser_change_speed(tty); spin_unlock_irqrestore(&info->slock, flags); return 0; @@ -1288,7 +1283,7 @@ static int mxser_set_serial_info(struct tty_struct *tty, if (tty_port_initialized(port)) { if (flags != (port->flags & ASYNC_SPD_MASK)) { spin_lock_irqsave(&info->slock, sl_flags); - mxser_change_speed(tty, NULL); + mxser_change_speed(tty); spin_unlock_irqrestore(&info->slock, sl_flags); } } else { @@ -1946,7 +1941,7 @@ static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termi unsigned long flags; spin_lock_irqsave(&info->slock, flags); - mxser_change_speed(tty, old_termios); + mxser_change_speed(tty); spin_unlock_irqrestore(&info->slock, flags); if ((old_termios->c_cflag & CRTSCTS) && !C_CRTSCTS(tty)) { @@ -2375,8 +2370,7 @@ static void mxser_release_ISA_res(struct mxser_board *brd) mxser_release_vector(brd); } -static int mxser_initbrd(struct mxser_board *brd, - struct pci_dev *pdev) +static int mxser_initbrd(struct mxser_board *brd) { struct mxser_port *info; unsigned int i; @@ -2640,7 +2634,7 @@ static int mxser_probe(struct pci_dev *pdev, } /* mxser_initbrd will hook ISR. */ - retval = mxser_initbrd(brd, pdev); + retval = mxser_initbrd(brd); if (retval) goto err_rel3; @@ -2746,7 +2740,7 @@ static int __init mxser_module_init(void) brd->info->name, ioaddr[b]); /* mxser_initbrd will hook ISR. */ - if (mxser_initbrd(brd, NULL) < 0) { + if (mxser_initbrd(brd) < 0) { mxser_release_ISA_res(brd); brd->info = NULL; continue; diff --git a/drivers/tty/mxser.h b/drivers/tty/mxser.h index 0bf794313ffd..e6cb15626567 100644 --- a/drivers/tty/mxser.h +++ b/drivers/tty/mxser.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _MXSER_H #define _MXSER_H diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 0a3c9665e015..3a39eb685c69 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * n_gsm.c GSM 0710 tty multiplexor * Copyright (c) 2009/10 Intel Corporation * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * * * THIS IS A DEVELOPMENT SNAPSHOT IT IS NOT A FINAL RELEASE * * * TO DO: @@ -1646,9 +1634,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr) } skb_queue_head_init(&dlci->skb_list); - init_timer(&dlci->t1); - dlci->t1.function = gsm_dlci_t1; - dlci->t1.data = (unsigned long)dlci; + setup_timer(&dlci->t1, gsm_dlci_t1, (unsigned long)dlci); tty_port_init(&dlci->port); dlci->port.ops = &gsm_port_ops; dlci->gsm = gsm; diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c index 7b2a466616d6..eea7b6cb3cc4 100644 --- a/drivers/tty/n_hdlc.c +++ b/drivers/tty/n_hdlc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* generic HDLC line discipline for Linux * * Written by Paul Fulghum paulkf@microgate.com @@ -11,8 +12,6 @@ * * Original release 01/11/99 * - * This code is released under the GNU General Public License (GPL) - * * This module implements the tty line discipline N_HDLC for use with * tty device drivers that support bit-synchronous HDLC communications. * diff --git a/drivers/tty/n_null.c b/drivers/tty/n_null.c index d63261c36e42..96feabae4740 100644 --- a/drivers/tty/n_null.c +++ b/drivers/tty/n_null.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/errno.h> #include <linux/tty.h> @@ -7,19 +8,6 @@ * n_null.c - Null line discipline used in the failure path * * Copyright (C) Intel 2017 - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ static int n_null_open(struct tty_struct *tty) diff --git a/drivers/tty/n_r3964.c b/drivers/tty/n_r3964.c index 305b6490d405..9f246d4db3ca 100644 --- a/drivers/tty/n_r3964.c +++ b/drivers/tty/n_r3964.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* r3964 linediscipline for linux * * ----------------------------------------------------------- @@ -5,9 +6,6 @@ * Philips Automation Projects * Kassel (Germany) * ----------------------------------------------------------- - * This software may be used and distributed according to the terms of - * the GNU General Public License, incorporated herein by reference. - * * Author: * L. Haag * diff --git a/drivers/tty/n_tracerouter.c b/drivers/tty/n_tracerouter.c index ac5716979bc1..4479af4d2fa5 100644 --- a/drivers/tty/n_tracerouter.c +++ b/drivers/tty/n_tracerouter.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * n_tracerouter.c - Trace data router through tty space * @@ -5,17 +6,6 @@ * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * * This trace router uses the Linux line discipline framework to route * trace data coming from a HW Modem to a PTI (Parallel Trace Module) port. * The solution is not specific to a HW modem and this line disciple can diff --git a/drivers/tty/n_tracesink.c b/drivers/tty/n_tracesink.c index 4616870a6b1b..d96ba82cc356 100644 --- a/drivers/tty/n_tracesink.c +++ b/drivers/tty/n_tracesink.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * n_tracesink.c - Trace data router and sink path through tty space. * @@ -5,17 +6,6 @@ * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * * The trace sink uses the Linux line discipline framework to receive * trace data coming from the PTI source line discipline driver * to a user-desired tty port, like USB. diff --git a/drivers/tty/n_tracesink.h b/drivers/tty/n_tracesink.h index a68bb44f1ef5..1b846330c855 100644 --- a/drivers/tty/n_tracesink.h +++ b/drivers/tty/n_tracesink.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * n_tracesink.h - Kernel driver API to route trace data in kernel space. * @@ -5,17 +6,6 @@ * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * * The PTI (Parallel Trace Interface) driver directs trace data routed from * various parts in the system out through the Intel Penwell PTI port and * out of the mobile device for analysis with a debugging tool diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index bdf0e6e89991..427e0d5d8f13 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * n_tty.c --- implements the N_TTY line discipline. * @@ -15,9 +16,6 @@ * This file also contains code originally written by Linus Torvalds, * Copyright 1991, 1992, 1993, and by Julian Cowley, Copyright 1994. * - * This file may be redistributed under the terms of the GNU General Public - * License. - * * Reduced memory usage for older ARM systems - Russell King. * * 2000/01/20 Fixed SMP locking on put_tty_queue using bits of diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c index 39b3723a32a6..b57b35066ebe 100644 --- a/drivers/tty/nozomi.c +++ b/drivers/tty/nozomi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * nozomi.c -- HSDPA driver Broadband Wireless Data Card - Globe Trotter * @@ -21,20 +22,6 @@ * Copyright (c) 2006 Option Wireless n/v * All rights Reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * * -------------------------------------------------------------------------- */ diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 26dcb3b60fb9..64338442050e 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds * diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c index 20d79a6007d5..f7dc9b1ea806 100644 --- a/drivers/tty/rocket.c +++ b/drivers/tty/rocket.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) /* * RocketPort device driver for Linux * * Written by Theodore Ts'o, 1995, 1996, 1997, 1998, 1999, 2000. * * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003 by Comtrol, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* @@ -111,7 +98,7 @@ static struct r_port *rp_table[MAX_RP_PORTS]; /* The main repository of static unsigned int xmit_flags[NUM_BOARDS]; /* Bit significant, indicates port had data to transmit. */ /* eg. Bit 0 indicates port 0 has xmit data, ... */ static atomic_t rp_num_ports_open; /* Number of serial ports open */ -static DEFINE_TIMER(rocket_timer, rp_do_poll, 0, 0); +static DEFINE_TIMER(rocket_timer, rp_do_poll); static unsigned long board1; /* ISA addresses, retrieved from rocketport.conf */ static unsigned long board2; diff --git a/drivers/tty/rocket.h b/drivers/tty/rocket.h index c11a9392f219..d0560203f215 100644 --- a/drivers/tty/rocket.h +++ b/drivers/tty/rocket.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * rocket.h --- the exported interface of the rocket driver to its configuration program. * diff --git a/drivers/tty/rocket_int.h b/drivers/tty/rocket_int.h index ef1e1be6b26d..727e50dbb92f 100644 --- a/drivers/tty/rocket_int.h +++ b/drivers/tty/rocket_int.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * rocket_int.h --- internal header file for rocket.c * diff --git a/drivers/tty/serdev/Kconfig b/drivers/tty/serdev/Kconfig index cdc6b820cf93..1dbc8352e027 100644 --- a/drivers/tty/serdev/Kconfig +++ b/drivers/tty/serdev/Kconfig @@ -6,11 +6,19 @@ menuconfig SERIAL_DEV_BUS help Core support for devices connected via a serial port. + Note that you typically also want to enable TTY port controller support. + if SERIAL_DEV_BUS config SERIAL_DEV_CTRL_TTYPORT bool "Serial device TTY port controller" + help + Say Y here if you want to use the Serial device bus with common TTY + drivers (e.g. serial drivers). + + If unsure, say Y. depends on TTY depends on SERIAL_DEV_BUS != m + default y endif diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index c68fb3a8ea1c..1bef39828ca7 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -1,19 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring <robh@kernel.org> * * Based on drivers/spmi/spmi.c: * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ +#include <linux/acpi.h> #include <linux/errno.h> #include <linux/idr.h> #include <linux/kernel.h> @@ -49,13 +42,22 @@ static const struct device_type serdev_ctrl_type = { static int serdev_device_match(struct device *dev, struct device_driver *drv) { - /* TODO: ACPI and platform matching */ + /* TODO: platform matching */ + if (acpi_driver_match_device(dev, drv)) + return 1; + return of_driver_match_device(dev, drv); } static int serdev_uevent(struct device *dev, struct kobj_uevent_env *env) { - /* TODO: ACPI and platform modalias */ + int rc; + + /* TODO: platform modalias */ + rc = acpi_device_uevent_modalias(dev, env); + if (rc != -ENODEV) + return rc; + return of_device_uevent_modalias(dev, env); } @@ -65,21 +67,32 @@ static int serdev_uevent(struct device *dev, struct kobj_uevent_env *env) */ int serdev_device_add(struct serdev_device *serdev) { + struct serdev_controller *ctrl = serdev->ctrl; struct device *parent = serdev->dev.parent; int err; dev_set_name(&serdev->dev, "%s-%d", dev_name(parent), serdev->nr); + /* Only a single slave device is currently supported. */ + if (ctrl->serdev) { + dev_err(&serdev->dev, "controller busy\n"); + return -EBUSY; + } + ctrl->serdev = serdev; + err = device_add(&serdev->dev); if (err < 0) { dev_err(&serdev->dev, "Can't add %s, status %d\n", dev_name(&serdev->dev), err); - goto err_device_add; + goto err_clear_serdev; } dev_dbg(&serdev->dev, "device %s registered\n", dev_name(&serdev->dev)); -err_device_add: + return 0; + +err_clear_serdev: + ctrl->serdev = NULL; return err; } EXPORT_SYMBOL_GPL(serdev_device_add); @@ -90,7 +103,10 @@ EXPORT_SYMBOL_GPL(serdev_device_add); */ void serdev_device_remove(struct serdev_device *serdev) { + struct serdev_controller *ctrl = serdev->ctrl; + device_unregister(&serdev->dev); + ctrl->serdev = NULL; } EXPORT_SYMBOL_GPL(serdev_device_remove); @@ -260,6 +276,12 @@ static int serdev_drv_remove(struct device *dev) static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { + int len; + + len = acpi_device_modalias(dev, buf, PAGE_SIZE - 1); + if (len != -ENODEV) + return len; + return of_device_modalias(dev, buf, PAGE_SIZE); } DEVICE_ATTR_RO(modalias); @@ -295,7 +317,6 @@ struct serdev_device *serdev_device_alloc(struct serdev_controller *ctrl) return NULL; serdev->ctrl = ctrl; - ctrl->serdev = serdev; device_initialize(&serdev->dev); serdev->dev.parent = &ctrl->dev; serdev->dev.bus = &serdev_bus_type; @@ -329,26 +350,31 @@ struct serdev_controller *serdev_controller_alloc(struct device *parent, if (!ctrl) return NULL; - device_initialize(&ctrl->dev); - ctrl->dev.type = &serdev_ctrl_type; - ctrl->dev.bus = &serdev_bus_type; - ctrl->dev.parent = parent; - ctrl->dev.of_node = parent->of_node; - serdev_controller_set_drvdata(ctrl, &ctrl[1]); - id = ida_simple_get(&ctrl_ida, 0, 0, GFP_KERNEL); if (id < 0) { dev_err(parent, "unable to allocate serdev controller identifier.\n"); - serdev_controller_put(ctrl); - return NULL; + goto err_free; } ctrl->nr = id; + + device_initialize(&ctrl->dev); + ctrl->dev.type = &serdev_ctrl_type; + ctrl->dev.bus = &serdev_bus_type; + ctrl->dev.parent = parent; + ctrl->dev.of_node = parent->of_node; + serdev_controller_set_drvdata(ctrl, &ctrl[1]); + dev_set_name(&ctrl->dev, "serial%d", id); dev_dbg(&ctrl->dev, "allocated controller 0x%p id %d\n", ctrl, id); return ctrl; + +err_free: + kfree(ctrl); + + return NULL; } EXPORT_SYMBOL_GPL(serdev_controller_alloc); @@ -385,6 +411,75 @@ static int of_serdev_register_devices(struct serdev_controller *ctrl) return 0; } +#ifdef CONFIG_ACPI +static acpi_status acpi_serdev_register_device(struct serdev_controller *ctrl, + struct acpi_device *adev) +{ + struct serdev_device *serdev = NULL; + int err; + + if (acpi_bus_get_status(adev) || !adev->status.present || + acpi_device_enumerated(adev)) + return AE_OK; + + serdev = serdev_device_alloc(ctrl); + if (!serdev) { + dev_err(&ctrl->dev, "failed to allocate serdev device for %s\n", + dev_name(&adev->dev)); + return AE_NO_MEMORY; + } + + ACPI_COMPANION_SET(&serdev->dev, adev); + acpi_device_set_enumerated(adev); + + err = serdev_device_add(serdev); + if (err) { + dev_err(&serdev->dev, + "failure adding ACPI serdev device. status %d\n", err); + serdev_device_put(serdev); + } + + return AE_OK; +} + +static acpi_status acpi_serdev_add_device(acpi_handle handle, u32 level, + void *data, void **return_value) +{ + struct serdev_controller *ctrl = data; + struct acpi_device *adev; + + if (acpi_bus_get_device(handle, &adev)) + return AE_OK; + + return acpi_serdev_register_device(ctrl, adev); +} + +static int acpi_serdev_register_devices(struct serdev_controller *ctrl) +{ + acpi_status status; + acpi_handle handle; + + handle = ACPI_HANDLE(ctrl->dev.parent); + if (!handle) + return -ENODEV; + + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, 1, + acpi_serdev_add_device, NULL, ctrl, NULL); + if (ACPI_FAILURE(status)) + dev_dbg(&ctrl->dev, "failed to enumerate serdev slaves\n"); + + if (!ctrl->serdev) + return -ENODEV; + + return 0; +} +#else +static inline int acpi_serdev_register_devices(struct serdev_controller *ctrl) +{ + return -ENODEV; +} +#endif /* CONFIG_ACPI */ + /** * serdev_controller_add() - Add an serdev controller * @ctrl: controller to be registered. @@ -394,7 +489,7 @@ static int of_serdev_register_devices(struct serdev_controller *ctrl) */ int serdev_controller_add(struct serdev_controller *ctrl) { - int ret; + int ret_of, ret_acpi, ret; /* Can't register until after driver model init */ if (WARN_ON(!is_registered)) @@ -404,9 +499,14 @@ int serdev_controller_add(struct serdev_controller *ctrl) if (ret) return ret; - ret = of_serdev_register_devices(ctrl); - if (ret) + ret_of = of_serdev_register_devices(ctrl); + ret_acpi = acpi_serdev_register_devices(ctrl); + if (ret_of && ret_acpi) { + dev_dbg(&ctrl->dev, "no devices registered: of:%d acpi:%d\n", + ret_of, ret_acpi); + ret = -ENODEV; goto out_dev_del; + } dev_dbg(&ctrl->dev, "serdev%d registered: dev:%p\n", ctrl->nr, &ctrl->dev); diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c index 302018d67efa..ce7ad0acee7a 100644 --- a/drivers/tty/serdev/serdev-ttyport.c +++ b/drivers/tty/serdev/serdev-ttyport.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2016-2017 Linaro Ltd., Rob Herring <robh@kernel.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> #include <linux/serdev.h> @@ -96,16 +88,21 @@ static int ttyport_open(struct serdev_controller *ctrl) struct serport *serport = serdev_controller_get_drvdata(ctrl); struct tty_struct *tty; struct ktermios ktermios; + int ret; tty = tty_init_dev(serport->tty_drv, serport->tty_idx); if (IS_ERR(tty)) return PTR_ERR(tty); serport->tty = tty; - if (tty->ops->open) - tty->ops->open(serport->tty, NULL); - else - tty_port_open(serport->port, tty, NULL); + if (!tty->ops->open || !tty->ops->close) { + ret = -ENODEV; + goto err_unlock; + } + + ret = tty->ops->open(serport->tty, NULL); + if (ret) + goto err_close; /* Bring the UART into a known 8 bits no parity hw fc state */ ktermios = tty->termios; @@ -122,6 +119,14 @@ static int ttyport_open(struct serdev_controller *ctrl) tty_unlock(serport->tty); return 0; + +err_close: + tty->ops->close(tty, NULL); +err_unlock: + tty_unlock(tty); + tty_release_struct(tty, serport->tty_idx); + + return ret; } static void ttyport_close(struct serdev_controller *ctrl) diff --git a/drivers/tty/serial/21285.c b/drivers/tty/serial/21285.c index 804632b4a929..32b3acf8150a 100644 --- a/drivers/tty/serial/21285.c +++ b/drivers/tty/serial/21285.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the serial port on the 21285 StrongArm-110 core logic chip. * diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index b2bdc35f7495..ebfb0bd5bef5 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for 8250/16550-type serial ports * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * * Copyright (C) 2001 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/serial_8250.h> diff --git a/drivers/tty/serial/8250/8250_accent.c b/drivers/tty/serial/8250/8250_accent.c index 522aeae05192..1691f1a57f89 100644 --- a/drivers/tty/serial/8250/8250_accent.c +++ b/drivers/tty/serial/8250/8250_accent.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005 Russell King. * Data taken from include/asm-i386/serial.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/tty/serial/8250/8250_acorn.c b/drivers/tty/serial/8250/8250_acorn.c index 402dfdd4940e..758c4aa203ab 100644 --- a/drivers/tty/serial/8250/8250_acorn.c +++ b/drivers/tty/serial/8250/8250_acorn.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/drivers/serial/acorn.c * * Copyright (C) 1996-2003 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/types.h> diff --git a/drivers/tty/serial/8250/8250_aspeed_vuart.c b/drivers/tty/serial/8250/8250_aspeed_vuart.c index 33a801353114..74a408d9db24 100644 --- a/drivers/tty/serial/8250/8250_aspeed_vuart.c +++ b/drivers/tty/serial/8250/8250_aspeed_vuart.c @@ -1,13 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Serial Port driver for Aspeed VUART device * * Copyright (C) 2016 Jeremy Kerr <jk@ozlabs.org>, IBM Corp. * Copyright (C) 2006 Arnd Bergmann <arnd@arndb.de>, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. */ #include <linux/device.h> #include <linux/module.h> diff --git a/drivers/tty/serial/8250/8250_bcm2835aux.c b/drivers/tty/serial/8250/8250_bcm2835aux.c index a23c7da42ea8..bd53661103eb 100644 --- a/drivers/tty/serial/8250/8250_bcm2835aux.c +++ b/drivers/tty/serial/8250/8250_bcm2835aux.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Serial port driver for BCM2835AUX UART * @@ -5,11 +6,6 @@ * * Based on 8250_lpc18xx.c: * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/clk.h> diff --git a/drivers/tty/serial/8250/8250_boca.c b/drivers/tty/serial/8250/8250_boca.c index a63b5998e383..a9b97c034653 100644 --- a/drivers/tty/serial/8250/8250_boca.c +++ b/drivers/tty/serial/8250/8250_boca.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005 Russell King. * Data taken from include/asm-i386/serial.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index d29b512a7d9f..d64afdd93872 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Universal/legacy driver for 8250/16550-type serial ports * @@ -11,11 +12,6 @@ * userspace-configurable "phantom" ports * "serial8250" platform devices * serial8250_register_8250_port() ports - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/module.h> @@ -262,17 +258,17 @@ static void serial_unlink_irq_chain(struct uart_8250_port *up) * barely passable results for a 16550A. (Although at the expense * of much CPU overhead). */ -static void serial8250_timeout(unsigned long data) +static void serial8250_timeout(struct timer_list *t) { - struct uart_8250_port *up = (struct uart_8250_port *)data; + struct uart_8250_port *up = from_timer(up, t, timer); up->port.handle_irq(&up->port); mod_timer(&up->timer, jiffies + uart_poll_timeout(&up->port)); } -static void serial8250_backup_timeout(unsigned long data) +static void serial8250_backup_timeout(struct timer_list *t) { - struct uart_8250_port *up = (struct uart_8250_port *)data; + struct uart_8250_port *up = from_timer(up, t, timer); unsigned int iir, ier = 0, lsr; unsigned long flags; @@ -329,8 +325,7 @@ static int univ8250_setup_irq(struct uart_8250_port *up) if (up->bugs & UART_BUG_THRE) { pr_debug("ttyS%d - using backup timer\n", serial_index(port)); - up->timer.function = serial8250_backup_timeout; - up->timer.data = (unsigned long)up; + up->timer.function = (TIMER_FUNC_TYPE)serial8250_backup_timeout; mod_timer(&up->timer, jiffies + uart_poll_timeout(port) + HZ / 5); } @@ -341,7 +336,6 @@ static int univ8250_setup_irq(struct uart_8250_port *up) * driver used to do this with IRQ0. */ if (!port->irq) { - up->timer.data = (unsigned long)up; mod_timer(&up->timer, jiffies + uart_poll_timeout(port)); } else retval = serial_link_irq_chain(up); @@ -354,7 +348,7 @@ static void univ8250_release_irq(struct uart_8250_port *up) struct uart_port *port = &up->port; del_timer_sync(&up->timer); - up->timer.function = serial8250_timeout; + up->timer.function = (TIMER_FUNC_TYPE)serial8250_timeout; if (port->irq) serial_unlink_irq_chain(up); } @@ -525,8 +519,7 @@ static void __init serial8250_isa_init_ports(void) base_ops = port->ops; port->ops = &univ8250_port_ops; - init_timer(&up->timer); - up->timer.function = serial8250_timeout; + timer_setup(&up->timer, serial8250_timeout, 0); up->ops = &univ8250_driver_ops; diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c index 26f17456b0d7..bfa1a857f3ff 100644 --- a/drivers/tty/serial/8250/8250_dma.c +++ b/drivers/tty/serial/8250/8250_dma.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * 8250_dma.c - DMA Engine API support for 8250.c * * Copyright (C) 2013 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/tty.h> #include <linux/tty_flip.h> diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 7e638997bfc2..5bb0c42c88dd 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Synopsys DesignWare 8250 driver. * * Copyright 2011 Picochip, Jamie Iles. * Copyright 2013 Intel Corporation * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * The Synopsys DesignWare 8250 has an extra feature whereby it detects if the * LCR is written whilst busy. If it is, then a busy detect interrupt is * raised, the LCR needs to be rewritten and the uart status register read. @@ -256,25 +252,31 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios, struct ktermios *old) { unsigned int baud = tty_termios_baud_rate(termios); + unsigned int target_rate, min_rate, max_rate; struct dw8250_data *d = p->private_data; long rate; - int ret; + int i, ret; if (IS_ERR(d->clk) || !old) goto out; - clk_disable_unprepare(d->clk); - rate = clk_round_rate(d->clk, baud * 16); - if (rate < 0) - ret = rate; - else if (rate == 0) - ret = -ENOENT; - else - ret = clk_set_rate(d->clk, rate); - clk_prepare_enable(d->clk); + /* Find a clk rate within +/-1.6% of an integer multiple of baudx16 */ + target_rate = baud * 16; + min_rate = target_rate - (target_rate >> 6); + max_rate = target_rate + (target_rate >> 6); - if (!ret) - p->uartclk = rate; + for (i = 1; i <= UART_DIV_MAX; i++) { + rate = clk_round_rate(d->clk, i * target_rate); + if (rate >= i * min_rate && rate <= i * max_rate) + break; + } + if (i <= UART_DIV_MAX) { + clk_disable_unprepare(d->clk); + ret = clk_set_rate(d->clk, rate); + clk_prepare_enable(d->clk); + if (!ret) + p->uartclk = rate; + } out: p->status &= ~UPSTAT_AUTOCTS; diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index af72ec32e404..362c25ff188a 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Early serial console for 8250/16550 devices * * (c) Copyright 2004 Hewlett-Packard Development Company, L.P. * Bjorn Helgaas <bjorn.helgaas@hp.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Based on the 8250.c serial driver, Copyright (C) 2001 Russell King, * and on early_printk.c by Andi Kleen. * diff --git a/drivers/tty/serial/8250/8250_em.c b/drivers/tty/serial/8250/8250_em.c index 0b6381214917..f6a86f2bc4e5 100644 --- a/drivers/tty/serial/8250/8250_em.c +++ b/drivers/tty/serial/8250/8250_em.c @@ -1,20 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas Emma Mobile 8250 driver * * Copyright (C) 2012 Magnus Damm - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/device.h> diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index c55624703fdf..a402878c9f30 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Probe module for 8250/16550-type Exar chips PCI serial ports. * * Based on drivers/tty/serial/8250/8250_pci.c, * * Copyright (C) 2017 Sudip Mukherjee, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. */ #include <linux/acpi.h> #include <linux/dmi.h> diff --git a/drivers/tty/serial/8250/8250_exar_st16c554.c b/drivers/tty/serial/8250/8250_exar_st16c554.c index 3a7cb8262bb9..933811ebfaac 100644 --- a/drivers/tty/serial/8250/8250_exar_st16c554.c +++ b/drivers/tty/serial/8250/8250_exar_st16c554.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Written by Paul B Schroeder < pschroeder "at" uplogix "dot" com > * Based on 8250_boca. * * Copyright (C) 2005 Russell King. * Data taken from include/asm-i386/serial.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/tty/serial/8250/8250_fintek.c b/drivers/tty/serial/8250/8250_fintek.c index e500f7dd2470..79a4958b3f5c 100644 --- a/drivers/tty/serial/8250/8250_fintek.c +++ b/drivers/tty/serial/8250/8250_fintek.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Probe for F81216A LPC to 4 UART * * Copyright (C) 2014-2016 Ricardo Ribalda, Qtechnology A/S - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. */ #include <linux/module.h> #include <linux/pci.h> @@ -40,6 +36,16 @@ #define IRQ_LEVEL_LOW 0 #define IRQ_EDGE_HIGH BIT(5) +/* + * F81216H clock source register, the value and mask is the same with F81866, + * but it's on F0h. + * + * Clock speeds for UART (register F0h) + * 00: 1.8432MHz. + * 01: 18.432MHz. + * 10: 24MHz. + * 11: 14.769MHz. + */ #define RS485 0xF0 #define RTS_INVERT BIT(5) #define RS485_URA BIT(4) @@ -118,6 +124,9 @@ static int fintek_8250_enter_key(u16 base_port, u8 key) if (!request_muxed_region(base_port, 2, "8250_fintek")) return -EBUSY; + /* Force to deactive all SuperIO in this base_port */ + outb(EXIT_KEY, base_port + ADDR_PORT); + outb(key, base_port + ADDR_PORT); outb(key, base_port + ADDR_PORT); return 0; @@ -188,14 +197,27 @@ static int fintek_8250_rs485_config(struct uart_port *port, if (!pdata) return -EINVAL; - if (rs485->flags & SER_RS485_ENABLED) + /* Hardware do not support same RTS level on send and receive */ + if (!(rs485->flags & SER_RS485_RTS_ON_SEND) == + !(rs485->flags & SER_RS485_RTS_AFTER_SEND)) + return -EINVAL; + + if (rs485->flags & SER_RS485_ENABLED) { memset(rs485->padding, 0, sizeof(rs485->padding)); - else + config |= RS485_URA; + } else { memset(rs485, 0, sizeof(*rs485)); + } rs485->flags &= SER_RS485_ENABLED | SER_RS485_RTS_ON_SEND | SER_RS485_RTS_AFTER_SEND; + /* Only the first port supports delays */ + if (pdata->index) { + rs485->delay_rts_before_send = 0; + rs485->delay_rts_after_send = 0; + } + if (rs485->delay_rts_before_send) { rs485->delay_rts_before_send = 1; config |= TXW4C_IRA; @@ -206,12 +228,6 @@ static int fintek_8250_rs485_config(struct uart_port *port, config |= RXW4C_IRA; } - if ((!!(rs485->flags & SER_RS485_RTS_ON_SEND)) == - (!!(rs485->flags & SER_RS485_RTS_AFTER_SEND))) - rs485->flags &= SER_RS485_ENABLED; - else - config |= RS485_URA; - if (rs485->flags & SER_RS485_RTS_ON_SEND) config |= RTS_INVERT; @@ -280,13 +296,91 @@ static void fintek_8250_goto_highspeed(struct uart_8250_port *uart, F81866_UART_CLK_MASK, F81866_UART_CLK_14_769MHZ); - uart->port.uartclk = 921600 * 16; + uart->port.uartclk = 921600 * 16; break; default: /* leave clock speed untouched */ break; } } +void fintek_8250_set_termios(struct uart_port *port, struct ktermios *termios, + struct ktermios *old) +{ + struct fintek_8250 *pdata = port->private_data; + unsigned int baud = tty_termios_baud_rate(termios); + int i; + u8 reg; + static u32 baudrate_table[] = {115200, 921600, 1152000, 1500000}; + static u8 clock_table[] = { F81866_UART_CLK_1_8432MHZ, + F81866_UART_CLK_14_769MHZ, F81866_UART_CLK_18_432MHZ, + F81866_UART_CLK_24MHZ }; + + /* + * We'll use serial8250_do_set_termios() for baud = 0, otherwise It'll + * crash on baudrate_table[i] % baud with "division by zero". + */ + if (!baud) + goto exit; + + switch (pdata->pid) { + case CHIP_ID_F81216H: + reg = RS485; + break; + case CHIP_ID_F81866: + reg = F81866_UART_CLK; + break; + default: + /* Don't change clocksource with unknown PID */ + dev_warn(port->dev, + "%s: pid: %x Not support. use default set_termios.\n", + __func__, pdata->pid); + goto exit; + } + + for (i = 0; i < ARRAY_SIZE(baudrate_table); ++i) { + if (baud > baudrate_table[i] || baudrate_table[i] % baud != 0) + continue; + + if (port->uartclk == baudrate_table[i] * 16) + break; + + if (fintek_8250_enter_key(pdata->base_port, pdata->key)) + continue; + + port->uartclk = baudrate_table[i] * 16; + + sio_write_reg(pdata, LDN, pdata->index); + sio_write_mask_reg(pdata, reg, F81866_UART_CLK_MASK, + clock_table[i]); + + fintek_8250_exit_key(pdata->base_port); + break; + } + + if (i == ARRAY_SIZE(baudrate_table)) { + baud = tty_termios_baud_rate(old); + tty_termios_encode_baud_rate(termios, baud, baud); + } + +exit: + serial8250_do_set_termios(port, termios, old); +} + +static void fintek_8250_set_termios_handler(struct uart_8250_port *uart) +{ + struct fintek_8250 *pdata = uart->port.private_data; + + switch (pdata->pid) { + case CHIP_ID_F81216H: + case CHIP_ID_F81866: + uart->port.set_termios = fintek_8250_set_termios; + break; + + default: + break; + } +} + static int probe_setup_port(struct fintek_8250 *pdata, struct uart_8250_port *uart) { @@ -373,6 +467,7 @@ int fintek_8250_probe(struct uart_8250_port *uart) memcpy(pdata, &probe_data, sizeof(probe_data)); uart->port.private_data = pdata; fintek_8250_set_rs485_handler(uart); + fintek_8250_set_termios_handler(uart); return 0; } diff --git a/drivers/tty/serial/8250/8250_fourport.c b/drivers/tty/serial/8250/8250_fourport.c index 4045180a8cfc..3215b9b7afde 100644 --- a/drivers/tty/serial/8250/8250_fourport.c +++ b/drivers/tty/serial/8250/8250_fourport.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005 Russell King. * Data taken from include/asm-i386/serial.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/tty/serial/8250/8250_fsl.c b/drivers/tty/serial/8250/8250_fsl.c index 910bfee5a88b..6640a4c7ddd1 100644 --- a/drivers/tty/serial/8250/8250_fsl.c +++ b/drivers/tty/serial/8250/8250_fsl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/serial_reg.h> #include <linux/serial_8250.h> @@ -6,10 +7,6 @@ /* * Freescale 16550 UART "driver", Copyright (C) 2011 Paul Gortmaker. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * This isn't a full driver; it just provides an alternate IRQ * handler to deal with an errata. Everything else is just * using the bog standard 8250 support. diff --git a/drivers/tty/serial/8250/8250_gsc.c b/drivers/tty/serial/8250/8250_gsc.c index df2931e1e086..0809ae2aa9b1 100644 --- a/drivers/tty/serial/8250/8250_gsc.c +++ b/drivers/tty/serial/8250/8250_gsc.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Serial Device Initialisation for Lasi/Asp/Wax/Dino * * (c) Copyright Matthew Wilcox <willy@debian.org> 2001-2002 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/errno.h> diff --git a/drivers/tty/serial/8250/8250_hp300.c b/drivers/tty/serial/8250/8250_hp300.c index 115190b7962a..3012ea03d22c 100644 --- a/drivers/tty/serial/8250/8250_hp300.c +++ b/drivers/tty/serial/8250/8250_hp300.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the 98626/98644/internal serial interface on hp300/hp400 * (based on the National Semiconductor INS8250/NS16550AF/WD16C552 UARTs) diff --git a/drivers/tty/serial/8250/8250_hub6.c b/drivers/tty/serial/8250/8250_hub6.c index 27124e21eb96..273f59b9bca5 100644 --- a/drivers/tty/serial/8250/8250_hub6.c +++ b/drivers/tty/serial/8250/8250_hub6.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2005 Russell King. * Data taken from include/asm-i386/serial.h - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> #include <linux/init.h> diff --git a/drivers/tty/serial/8250/8250_ingenic.c b/drivers/tty/serial/8250/8250_ingenic.c index 464389b28900..6af84900870e 100644 --- a/drivers/tty/serial/8250/8250_ingenic.c +++ b/drivers/tty/serial/8250/8250_ingenic.c @@ -1,17 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2010 Lars-Peter Clausen <lars@metafoo.de> * Copyright (C) 2015 Imagination Technologies * * Ingenic SoC UART support - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/clk.h> diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c index 99cd478851ff..eddf119374e1 100644 --- a/drivers/tty/serial/8250/8250_lpc18xx.c +++ b/drivers/tty/serial/8250/8250_lpc18xx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Serial port driver for NXP LPC18xx/43xx UART * @@ -6,11 +7,6 @@ * Based on 8250_mtk.c: * Copyright (c) 2014 MundoReader S.L. * Matthias Brugger <matthias.bgg@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * */ #include <linux/clk.h> diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c index 7dddd7e6a01c..98dbc796353f 100644 --- a/drivers/tty/serial/8250/8250_lpss.c +++ b/drivers/tty/serial/8250/8250_lpss.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 8250_lpss.c - Driver for UART on Intel Braswell and various other Intel SoCs * * Copyright (C) 2016 Intel Corporation * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/bitops.h> diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c index ec957cce8c9a..efa0515139f8 100644 --- a/drivers/tty/serial/8250/8250_mid.c +++ b/drivers/tty/serial/8250/8250_mid.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 8250_mid.c - Driver for UART on Intel Penwell and various other Intel SOCs * * Copyright (C) 2015 Intel Corporation * Author: Heikki Krogerus <heikki.krogerus@linux.intel.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/bitops.h> @@ -23,10 +20,11 @@ #define PCI_DEVICE_ID_INTEL_PNW_UART2 0x081c #define PCI_DEVICE_ID_INTEL_PNW_UART3 0x081d #define PCI_DEVICE_ID_INTEL_TNG_UART 0x1191 +#define PCI_DEVICE_ID_INTEL_CDF_UART 0x18d8 #define PCI_DEVICE_ID_INTEL_DNV_UART 0x19d8 /* Intel MID Specific registers */ -#define INTEL_MID_UART_DNV_FISR 0x08 +#define INTEL_MID_UART_FISR 0x08 #define INTEL_MID_UART_PS 0x30 #define INTEL_MID_UART_MUL 0x34 #define INTEL_MID_UART_DIV 0x38 @@ -130,7 +128,7 @@ static int dnv_handle_irq(struct uart_port *p) { struct mid8250 *mid = p->private_data; struct uart_8250_port *up = up_to_u8250p(p); - unsigned int fisr = serial_port_in(p, INTEL_MID_UART_DNV_FISR); + unsigned int fisr = serial_port_in(p, INTEL_MID_UART_FISR); u32 status; int ret = 0; int err; @@ -377,6 +375,7 @@ static const struct pci_device_id pci_ids[] = { MID_DEVICE(PCI_DEVICE_ID_INTEL_PNW_UART2, pnw_board), MID_DEVICE(PCI_DEVICE_ID_INTEL_PNW_UART3, pnw_board), MID_DEVICE(PCI_DEVICE_ID_INTEL_TNG_UART, tng_board), + MID_DEVICE(PCI_DEVICE_ID_INTEL_CDF_UART, dnv_board), MID_DEVICE(PCI_DEVICE_ID_INTEL_DNV_UART, dnv_board), { }, }; diff --git a/drivers/tty/serial/8250/8250_moxa.c b/drivers/tty/serial/8250/8250_moxa.c index d5069b2d4d79..1ee4cd94d4fa 100644 --- a/drivers/tty/serial/8250/8250_moxa.c +++ b/drivers/tty/serial/8250/8250_moxa.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 8250_moxa.c - MOXA Smartio/Industio MUE multiport serial driver. * * Author: Mathieu OTHACEHE <m.othacehe@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c index fb45770d47aa..dd5e1cede2b5 100644 --- a/drivers/tty/serial/8250/8250_mtk.c +++ b/drivers/tty/serial/8250/8250_mtk.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Mediatek 8250 driver. * * Copyright (c) 2014 MundoReader S.L. * Author: Matthias Brugger <matthias.bgg@gmail.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/clk.h> #include <linux/io.h> @@ -61,7 +52,7 @@ mtk8250_set_termios(struct uart_port *port, struct ktermios *termios, * registers to their default values. */ baud = uart_get_baud_rate(port, termios, old, - port->uartclk / 16 / 0xffff, + port->uartclk / 16 / UART_DIV_MAX, port->uartclk); if (baud <= 115200) { diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 1222c005fb98..1e67a7e4a5fd 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -1,13 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Serial Port driver for Open Firmware platform devices * * Copyright (C) 2006 Arnd Bergmann <arnd@arndb.de>, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * */ #include <linux/console.h> #include <linux/module.h> diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 833771bca0a5..bd40ba402410 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * 8250-core based driver for the OMAP internal UART * @@ -199,7 +200,7 @@ static void omap_8250_get_divisor(struct uart_port *port, unsigned int baud, * Old custom speed handling. */ if (baud == 38400 && (port->flags & UPF_SPD_MASK) == UPF_SPD_CUST) { - priv->quot = port->custom_divisor & 0xffff; + priv->quot = port->custom_divisor & UART_DIV_MAX; /* * I assume that nobody is using this. But hey, if somebody * would like to specify the divisor _and_ the mode then the @@ -358,7 +359,7 @@ static void omap_8250_set_termios(struct uart_port *port, * Ask the core to calculate the divisor for us. */ baud = uart_get_baud_rate(port, termios, old, - port->uartclk / 16 / 0xffff, + port->uartclk / 16 / UART_DIV_MAX, port->uartclk / 13); omap_8250_get_divisor(port, baud, priv); diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 0c101a7470b0..b7e0e3416641 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Probe module for 8250/16550-type PCI serial ports. * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * * Copyright (C) 2001 Russell King, All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. */ #undef DEBUG #include <linux/module.h> @@ -3368,6 +3365,7 @@ static const struct pci_device_id blacklist[] = { { PCI_VDEVICE(INTEL, 0x081c), }, { PCI_VDEVICE(INTEL, 0x081d), }, { PCI_VDEVICE(INTEL, 0x1191), }, + { PCI_VDEVICE(INTEL, 0x18d8), }, { PCI_VDEVICE(INTEL, 0x19d8), }, /* Intel platforms with DesignWare UART */ diff --git a/drivers/tty/serial/8250/8250_pnp.c b/drivers/tty/serial/8250/8250_pnp.c index 34f05ed78b68..431e69a5a6a0 100644 --- a/drivers/tty/serial/8250/8250_pnp.c +++ b/drivers/tty/serial/8250/8250_pnp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Probe for 8250/16550-type ISAPNP serial ports. * @@ -6,10 +7,6 @@ * Copyright (C) 2001 Russell King, All Rights Reserved. * * Ported to the Linux PnP Layer - (C) Adam Belay. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. */ #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index f0cc04f62b67..11434551ac0a 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Base port operations for 8250/16550-type serial ports * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * Split from 8250_core.c, Copyright (C) 2001 Russell King. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * A note about mapbase / membase * * mapbase is the physical address of the IO port. @@ -1516,7 +1512,6 @@ static inline void __stop_tx(struct uart_8250_port *p) return; em485->active_timer = NULL; - hrtimer_cancel(&em485->start_tx_timer); __stop_tx_rs485(p); } @@ -1580,8 +1575,6 @@ static inline void start_tx_rs485(struct uart_port *port) serial8250_stop_rx(&up->port); em485->active_timer = NULL; - if (hrtimer_is_queued(&em485->stop_tx_timer)) - hrtimer_cancel(&em485->stop_tx_timer); mcr = serial8250_in_MCR(up); if (!!(up->port.rs485.flags & SER_RS485_RTS_ON_SEND) != @@ -2586,8 +2579,11 @@ static void serial8250_set_divisor(struct uart_port *port, unsigned int baud, serial_dl_write(up, quot); /* XR17V35x UARTs have an extra fractional divisor register (DLD) */ - if (up->port.type == PORT_XR17V35X) + if (up->port.type == PORT_XR17V35X) { + /* Preserve bits not related to baudrate; DLD[7:4]. */ + quot_frac |= serial_port_in(port, 0x2) & 0xf0; serial_port_out(port, 0x2, quot_frac); + } } static unsigned int serial8250_get_baud_rate(struct uart_port *port, @@ -2601,7 +2597,7 @@ static unsigned int serial8250_get_baud_rate(struct uart_port *port, * causing transmission errors. */ return uart_get_baud_rate(port, termios, old, - port->uartclk / 16 / 0xffff, + port->uartclk / 16 / UART_DIV_MAX, port->uartclk); } diff --git a/drivers/tty/serial/8250/8250_pxa.c b/drivers/tty/serial/8250/8250_pxa.c index 4d68731af534..b9bcbe20a2be 100644 --- a/drivers/tty/serial/8250/8250_pxa.c +++ b/drivers/tty/serial/8250/8250_pxa.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * drivers/tty/serial/8250/8250_pxa.c -- driver for PXA on-board UARTS * Copyright: (C) 2013 Sergei Ianovich <ynvich@gmail.com> @@ -7,12 +8,6 @@ * Copyright: (C) 2003 Monta Vista Software, Inc. * * Based on drivers/serial/8250.c by Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/device.h> diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c index 8a10b10e27aa..45ef506293ae 100644 --- a/drivers/tty/serial/8250/8250_uniphier.c +++ b/drivers/tty/serial/8250/8250_uniphier.c @@ -1,15 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Masahiro Yamada <yamada.masahiro@socionext.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/clk.h> diff --git a/drivers/tty/serial/8250/Makefile b/drivers/tty/serial/8250/Makefile index 6a18d2d768fe..18751bc63a84 100644 --- a/drivers/tty/serial/8250/Makefile +++ b/drivers/tty/serial/8250/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the 8250 serial device drivers. # diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c index 933c2688dd7e..9963a766dcfb 100644 --- a/drivers/tty/serial/8250/serial_cs.c +++ b/drivers/tty/serial/8250/serial_cs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: (GPL-2.0 OR MPL-1.1) /*====================================================================== A driver for PCMCIA serial devices diff --git a/drivers/tty/serial/Makefile b/drivers/tty/serial/Makefile index fe88a75d9a59..842d185d697e 100644 --- a/drivers/tty/serial/Makefile +++ b/drivers/tty/serial/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel serial device drivers. # diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c index 0475f5d261ce..c90e503d6b57 100644 --- a/drivers/tty/serial/altera_jtaguart.c +++ b/drivers/tty/serial/altera_jtaguart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * altera_jtaguart.c -- Altera JTAG UART driver * @@ -6,11 +7,6 @@ * (C) Copyright 2003-2007, Greg Ungerer <gerg@snapgear.com> * (C) Copyright 2008, Thomas Chou <thomas@wytron.com.tw> * (C) Copyright 2010, Tobias Klauser <tklauser@distanz.ch> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 3e4b717670d7..b88b05f8e81e 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * altera_uart.c -- Altera UART driver * @@ -6,11 +7,6 @@ * (C) Copyright 2003-2007, Greg Ungerer <gerg@snapgear.com> * (C) Copyright 2008, Thomas Chou <thomas@wytron.com.tw> * (C) Copyright 2010, Tobias Klauser <tklauser@distanz.ch> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/kernel.h> @@ -288,10 +284,10 @@ static irqreturn_t altera_uart_interrupt(int irq, void *data) return IRQ_RETVAL(isr); } -static void altera_uart_timer(unsigned long data) +static void altera_uart_timer(struct timer_list *t) { - struct uart_port *port = (void *)data; - struct altera_uart *pp = container_of(port, struct altera_uart, port); + struct altera_uart *pp = from_timer(pp, t, tmr); + struct uart_port *port = &pp->port; altera_uart_interrupt(0, port); mod_timer(&pp->tmr, jiffies + uart_poll_timeout(port)); @@ -314,7 +310,7 @@ static int altera_uart_startup(struct uart_port *port) int ret; if (!port->irq) { - setup_timer(&pp->tmr, altera_uart_timer, (unsigned long)port); + timer_setup(&pp->tmr, altera_uart_timer, 0); mod_timer(&pp->tmr, jiffies + uart_poll_timeout(port)); return 0; } diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c index 9ec4b8d2879f..2c37d11726ab 100644 --- a/drivers/tty/serial/amba-pl010.c +++ b/drivers/tty/serial/amba-pl010.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for AMBA serial ports * @@ -6,20 +7,6 @@ * Copyright 1999 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * This is a generic driver for ARM AMBA-type serial ports. They * have a lot of 16550-like features, but are not register compatible. * Note that although they do have CTS, DCD and DSR inputs, they do diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 111e6a950779..04af8de8617e 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for AMBA serial ports * @@ -7,20 +8,6 @@ * Copyright (C) 2000 Deep Blue Solutions Ltd. * Copyright (C) 2010 ST-Ericsson SA * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * This is a generic driver for ARM AMBA-type serial ports. They * have a lot of 16550-like features, but are not register compatible. * Note that although they do have CTS, DCD and DSR inputs, they do @@ -281,7 +268,6 @@ struct uart_amba_port { unsigned int old_status; unsigned int fifosize; /* vendor-specific */ unsigned int old_cr; /* state during shutdown */ - bool autorts; unsigned int fixed_baud; /* vendor-set fixed baud rate */ char type[12]; #ifdef CONFIG_DMA_ENGINE @@ -1078,9 +1064,9 @@ static inline void pl011_dma_rx_stop(struct uart_amba_port *uap) * Every polling, It checks the residue in the dma buffer and transfer * data to the tty. Also, last_residue is updated for the next polling. */ -static void pl011_dma_rx_poll(unsigned long args) +static void pl011_dma_rx_poll(struct timer_list *t) { - struct uart_amba_port *uap = (struct uart_amba_port *)args; + struct uart_amba_port *uap = from_timer(uap, t, dmarx.timer); struct tty_port *port = &uap->port.state->port; struct pl011_dmarx_data *dmarx = &uap->dmarx; struct dma_chan *rxchan = uap->dmarx.chan; @@ -1192,9 +1178,7 @@ skip_rx: dev_dbg(uap->port.dev, "could not trigger initial " "RX DMA job, fall back to interrupt mode\n"); if (uap->dmarx.poll_rate) { - init_timer(&(uap->dmarx.timer)); - uap->dmarx.timer.function = pl011_dma_rx_poll; - uap->dmarx.timer.data = (unsigned long)uap; + timer_setup(&uap->dmarx.timer, pl011_dma_rx_poll, 0); mod_timer(&uap->dmarx.timer, jiffies + msecs_to_jiffies(uap->dmarx.poll_rate)); @@ -1588,7 +1572,7 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) TIOCMBIT(TIOCM_OUT2, UART011_CR_OUT2); TIOCMBIT(TIOCM_LOOP, UART011_CR_LBE); - if (uap->autorts) { + if (port->status & UPSTAT_AUTORTS) { /* We need to disable auto-RTS if we want to turn RTS off */ TIOCMBIT(TIOCM_RTS, UART011_CR_RTSEN); } @@ -1842,7 +1826,7 @@ static void pl011_disable_uart(struct uart_amba_port *uap) { unsigned int cr; - uap->autorts = false; + uap->port.status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS); spin_lock_irq(&uap->port.lock); cr = pl011_read(uap, REG_CR); uap->old_cr = cr; @@ -2028,10 +2012,10 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, old_cr |= UART011_CR_RTSEN; old_cr |= UART011_CR_CTSEN; - uap->autorts = true; + port->status |= UPSTAT_AUTOCTS | UPSTAT_AUTORTS; } else { old_cr &= ~(UART011_CR_CTSEN | UART011_CR_RTSEN); - uap->autorts = false; + port->status &= ~(UPSTAT_AUTOCTS | UPSTAT_AUTORTS); } if (uap->vendor->oversampling) { diff --git a/drivers/tty/serial/amba-pl011.h b/drivers/tty/serial/amba-pl011.h index 411c60e1f9a4..077eb12a3472 100644 --- a/drivers/tty/serial/amba-pl011.h +++ b/drivers/tty/serial/amba-pl011.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef AMBA_PL011_H #define AMBA_PL011_H diff --git a/drivers/tty/serial/apbuart.c b/drivers/tty/serial/apbuart.c index dd60ed96a0ad..60cd133ffbbc 100644 --- a/drivers/tty/serial/apbuart.c +++ b/drivers/tty/serial/apbuart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for GRLIB serial ports (APBUART) * diff --git a/drivers/tty/serial/apbuart.h b/drivers/tty/serial/apbuart.h index 5faf87c8d2bc..81baf007694f 100644 --- a/drivers/tty/serial/apbuart.h +++ b/drivers/tty/serial/apbuart.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __GRLIB_APBUART_H__ #define __GRLIB_APBUART_H__ diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c index decc7f3c1ab2..db5df3d54818 100644 --- a/drivers/tty/serial/ar933x_uart.c +++ b/drivers/tty/serial/ar933x_uart.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Atheros AR933X SoC built-in UART driver * * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ #include <linux/module.h> diff --git a/drivers/tty/serial/arc_uart.c b/drivers/tty/serial/arc_uart.c index 77fe306690c4..2599f9ecccfe 100644 --- a/drivers/tty/serial/arc_uart.c +++ b/drivers/tty/serial/arc_uart.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ARC On-Chip(fpga) UART Driver * * Copyright (C) 2010-2012 Synopsys, Inc. (www.synopsys.com) * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * vineetg: July 10th 2012 * -Decoupled the driver from arch/arc * +Using platform_get_resource() for irq/membase (thx to bfin_uart.c) diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index 7551cab438ff..efa25611ca0c 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Atmel AT91 Serial ports * Copyright (C) 2003 Rick Bronson @@ -6,21 +7,6 @@ * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * * DMA support added by Chip Coldwell. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/tty.h> #include <linux/ioport.h> @@ -171,6 +157,7 @@ struct atmel_uart_port { bool has_hw_timer; struct timer_list uart_timer; + bool tx_stopped; bool suspended; unsigned int pending; unsigned int pending_status; @@ -380,6 +367,10 @@ static int atmel_config_rs485(struct uart_port *port, */ static u_int atmel_tx_empty(struct uart_port *port) { + struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + + if (atmel_port->tx_stopped) + return TIOCSER_TEMT; return (atmel_uart_readl(port, ATMEL_US_CSR) & ATMEL_US_TXEMPTY) ? TIOCSER_TEMT : 0; @@ -485,6 +476,7 @@ static void atmel_stop_tx(struct uart_port *port) * is fully transmitted. */ atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXDIS); + atmel_port->tx_stopped = true; /* Disable interrupts */ atmel_uart_writel(port, ATMEL_US_IDR, atmel_port->tx_done_mask); @@ -521,6 +513,7 @@ static void atmel_start_tx(struct uart_port *port) /* re-enable the transmitter */ atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN); + atmel_port->tx_stopped = false; } /* @@ -1178,10 +1171,11 @@ chan_err: return -EINVAL; } -static void atmel_uart_timer_callback(unsigned long data) +static void atmel_uart_timer_callback(struct timer_list *t) { - struct uart_port *port = (void *)data; - struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); + struct atmel_uart_port *atmel_port = from_timer(atmel_port, t, + uart_timer); + struct uart_port *port = &atmel_port->uart; if (!atomic_read(&atmel_port->tasklet_shutdown)) { tasklet_schedule(&atmel_port->tasklet_rx); @@ -1667,29 +1661,6 @@ static void atmel_init_property(struct atmel_uart_port *atmel_port, } } -static void atmel_init_rs485(struct uart_port *port, - struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - - struct serial_rs485 *rs485conf = &port->rs485; - u32 rs485_delay[2]; - - /* rs485 properties */ - if (of_property_read_u32_array(np, "rs485-rts-delay", - rs485_delay, 2) == 0) { - rs485conf->delay_rts_before_send = rs485_delay[0]; - rs485conf->delay_rts_after_send = rs485_delay[1]; - rs485conf->flags = 0; - } - - if (of_get_property(np, "rs485-rx-during-tx", NULL)) - rs485conf->flags |= SER_RS485_RX_DURING_TX; - - if (of_get_property(np, "linux,rs485-enabled-at-boot-time", NULL)) - rs485conf->flags |= SER_RS485_ENABLED; -} - static void atmel_set_ops(struct uart_port *port) { struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); @@ -1866,10 +1837,9 @@ static int atmel_startup(struct uart_port *port) atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); /* enable xmit & rcvr */ atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN | ATMEL_US_RXEN); + atmel_port->tx_stopped = false; - setup_timer(&atmel_port->uart_timer, - atmel_uart_timer_callback, - (unsigned long)port); + timer_setup(&atmel_port->uart_timer, atmel_uart_timer_callback, 0); if (atmel_use_pdc_rx(port)) { /* set UART timeout */ @@ -2122,6 +2092,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, /* disable receiver and transmitter */ atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXDIS | ATMEL_US_RXDIS); + atmel_port->tx_stopped = true; /* mode */ if (port->rs485.flags & SER_RS485_ENABLED) { @@ -2207,6 +2178,7 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, atmel_uart_writel(port, ATMEL_US_BRGR, quot); atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN | ATMEL_US_RXEN); + atmel_port->tx_stopped = false; /* restore interrupts */ atmel_uart_writel(port, ATMEL_US_IER, imr); @@ -2373,7 +2345,7 @@ static int atmel_init_port(struct atmel_uart_port *atmel_port, atmel_init_property(atmel_port, pdev); atmel_set_ops(port); - atmel_init_rs485(port, pdev); + of_get_rs485_mode(pdev->dev.of_node, &port->rs485); port->iotype = UPIO_MEM; port->flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP; @@ -2450,6 +2422,7 @@ static void atmel_console_write(struct console *co, const char *s, u_int count) /* Make sure that tx path is actually able to send characters */ atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN); + atmel_port->tx_stopped = false; uart_console_write(port, s, count, atmel_console_putchar); @@ -2511,6 +2484,7 @@ static int __init atmel_console_setup(struct console *co, char *options) { int ret; struct uart_port *port = &atmel_ports[co->index].uart; + struct atmel_uart_port *atmel_port = to_atmel_uart_port(port); int baud = 115200; int bits = 8; int parity = 'n'; @@ -2528,6 +2502,7 @@ static int __init atmel_console_setup(struct console *co, char *options) atmel_uart_writel(port, ATMEL_US_IDR, -1); atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_RSTSTA | ATMEL_US_RSTRX); atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN | ATMEL_US_RXEN); + atmel_port->tx_stopped = false; if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); diff --git a/drivers/tty/serial/atmel_serial.h b/drivers/tty/serial/atmel_serial.h index bd2560502f3c..ba3a2437cde4 100644 --- a/drivers/tty/serial/atmel_serial.h +++ b/drivers/tty/serial/atmel_serial.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * include/linux/atmel_serial.h * @@ -6,11 +7,6 @@ * * USART registers. * Based on AT91RM9200 datasheet revision E. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #ifndef ATMEL_SERIAL_H diff --git a/drivers/tty/serial/bcm63xx_uart.c b/drivers/tty/serial/bcm63xx_uart.c index 8c48c3784831..9d1b7bf7378c 100644 --- a/drivers/tty/serial/bcm63xx_uart.c +++ b/drivers/tty/serial/bcm63xx_uart.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * * Derived from many drivers using generic_serial interface. * * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr> diff --git a/drivers/tty/serial/bfin_sport_uart.c b/drivers/tty/serial/bfin_sport_uart.c index 6b03fb12cd19..4ccca5d22f4f 100644 --- a/drivers/tty/serial/bfin_sport_uart.c +++ b/drivers/tty/serial/bfin_sport_uart.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Blackfin On-Chip Sport Emulated UART Driver * * Copyright 2006-2009 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ /* @@ -584,7 +583,7 @@ static void sport_set_termios(struct uart_port *port, spin_unlock_irqrestore(&up->port.lock, flags); } -struct uart_ops sport_uart_ops = { +static const struct uart_ops sport_uart_ops = { .tx_empty = sport_tx_empty, .set_mctrl = sport_set_mctrl, .get_mctrl = sport_get_mctrl, diff --git a/drivers/tty/serial/bfin_sport_uart.h b/drivers/tty/serial/bfin_sport_uart.h index e4510ea135ce..4b12f45d6580 100644 --- a/drivers/tty/serial/bfin_sport_uart.h +++ b/drivers/tty/serial/bfin_sport_uart.h @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Blackfin On-Chip Sport Emulated UART Driver * * Copyright 2006-2008 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ /* diff --git a/drivers/tty/serial/bfin_uart.c b/drivers/tty/serial/bfin_uart.c index 293ecbb00684..4755fa696321 100644 --- a/drivers/tty/serial/bfin_uart.c +++ b/drivers/tty/serial/bfin_uart.c @@ -1,11 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Blackfin On-Chip Serial Driver * * Copyright 2006-2011 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ - * - * Licensed under the GPL-2 or later. */ #if defined(CONFIG_SERIAL_BFIN_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -456,8 +455,9 @@ static void bfin_serial_dma_rx_chars(struct bfin_serial_port *uart) tty_flip_buffer_push(&uart->port.state->port); } -void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart) +void bfin_serial_rx_dma_timeout(struct timer_list *t) { + struct bfin_serial_port *uart = from_timer(uart, t, rx_dma_timer); int x_pos, pos; unsigned long flags; @@ -624,8 +624,6 @@ static int bfin_serial_startup(struct uart_port *port) set_dma_start_addr(uart->rx_dma_channel, (unsigned long)uart->rx_dma_buf.buf); enable_dma(uart->rx_dma_channel); - uart->rx_dma_timer.data = (unsigned long)(uart); - uart->rx_dma_timer.function = (void *)bfin_serial_rx_dma_timeout; uart->rx_dma_timer.expires = jiffies + DMA_RX_FLUSH_JIFFIES; add_timer(&(uart->rx_dma_timer)); #else @@ -1316,7 +1314,7 @@ static int bfin_serial_probe(struct platform_device *pdev) } uart->rx_dma_channel = res->start; - init_timer(&(uart->rx_dma_timer)); + timer_setup(&uart->rx_dma_timer, bfin_serial_rx_dma_timeout, 0); #endif #if defined(SERIAL_BFIN_CTSRTS) || \ diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c index ac1328629baa..98f193a83392 100644 --- a/drivers/tty/serial/clps711x.c +++ b/drivers/tty/serial/clps711x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for CLPS711x serial ports * @@ -5,11 +6,6 @@ * * Copyright 1999 ARM Limited * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #if defined(CONFIG_SERIAL_CLPS711X_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/cpm_uart/cpm_uart.h b/drivers/tty/serial/cpm_uart/cpm_uart.h index 0ad027b95873..9f175a92fb5d 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart.h +++ b/drivers/tty/serial/cpm_uart/cpm_uart.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for CPM (SCC/SMC) serial ports * @@ -5,11 +6,6 @@ * * 2006 (c) MontaVista Software, Inc. * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - * */ #ifndef CPM_UART_H #define CPM_UART_H diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c index 9ac142cfc1f1..24a5f05e769b 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for CPM (SCC/SMC) serial ports; core driver * @@ -12,21 +13,6 @@ * (C) 2004 Intracom, S.A. * (C) 2005-2006 MontaVista Software, Inc. * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.c index 6d3b22e93246..4eba17f3d293 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for CPM (SCC/SMC) serial ports; CPM1 definitions * @@ -8,21 +9,6 @@ * (C) 2004 Intracom, S.A. * (C) 2006 MontaVista Software, Inc. * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h index 60c7e94cde1e..18ec0849918a 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h +++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm1.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Driver for CPM (SCC/SMC) serial ports * diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c index f46d2ca87209..e3bff068dc3c 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c +++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for CPM (SCC/SMC) serial ports; CPM2 definitions * @@ -8,21 +9,6 @@ * (C) 2004 Intracom, S.A. * (C) 2006 MontaVista Software, Inc. * Vitaly Bordug <vbordug@ru.mvista.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h index 51e651a69938..051a8509c3e5 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h +++ b/drivers/tty/serial/cpm_uart/cpm_uart_cpm2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Driver for CPM (SCC/SMC) serial ports * diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 59a2a7e18b5a..1421804975e0 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Serial port driver for the ETRAX 100LX chip * diff --git a/drivers/tty/serial/crisv10.h b/drivers/tty/serial/crisv10.h index 15a52ee58251..79ba2bc95d3d 100644 --- a/drivers/tty/serial/crisv10.h +++ b/drivers/tty/serial/crisv10.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * serial.h: Arch-dep definitions for the Etrax100 serial driver. * diff --git a/drivers/tty/serial/digicolor-usart.c b/drivers/tty/serial/digicolor-usart.c index 02ad6953b167..f460cca139e2 100644 --- a/drivers/tty/serial/digicolor-usart.c +++ b/drivers/tty/serial/digicolor-usart.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Conexant Digicolor serial ports (USART) * * Author: Baruch Siach <baruch@tkos.co.il> * * Copyright (C) 2014 Paradox Innovation Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/module.h> diff --git a/drivers/tty/serial/dz.c b/drivers/tty/serial/dz.c index ff465ff43577..7b57e840e255 100644 --- a/drivers/tty/serial/dz.c +++ b/drivers/tty/serial/dz.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * dz.c: Serial port driver for DECstations equipped * with the DZ chipset. diff --git a/drivers/tty/serial/dz.h b/drivers/tty/serial/dz.h index faf169ed27b3..3b3e31954f24 100644 --- a/drivers/tty/serial/dz.h +++ b/drivers/tty/serial/dz.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * dz.h: Serial port driver for DECstations equipped * with the DZ chipset. diff --git a/drivers/tty/serial/earlycon-arm-semihost.c b/drivers/tty/serial/earlycon-arm-semihost.c index 6bbeb699777c..fa096c10b591 100644 --- a/drivers/tty/serial/earlycon-arm-semihost.c +++ b/drivers/tty/serial/earlycon-arm-semihost.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2012 ARM Ltd. * Author: Marc Zyngier <marc.zyngier@arm.com> @@ -5,18 +6,6 @@ * Adapted for ARM and earlycon: * Copyright (C) 2014 Linaro Ltd. * Author: Rob Herring <robh@kernel.org> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> #include <linux/console.h> diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c index 98928f082d87..4c8b80f1c688 100644 --- a/drivers/tty/serial/earlycon.c +++ b/drivers/tty/serial/earlycon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2014 Linaro Ltd. * Author: Rob Herring <robh@kernel.org> @@ -5,10 +6,6 @@ * Based on 8250 earlycon: * (c) Copyright 2004 Hewlett-Packard Development Company, L.P. * Bjorn Helgaas <bjorn.helgaas@hp.com> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index 9fff25be87f9..d6b5e5463746 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #if defined(CONFIG_SERIAL_EFM32_UART_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ #endif diff --git a/drivers/tty/serial/etraxfs-uart.c b/drivers/tty/serial/etraxfs-uart.c index 2f80bc7e44fb..24bf6bfb29b4 100644 --- a/drivers/tty/serial/etraxfs-uart.c +++ b/drivers/tty/serial/etraxfs-uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/module.h> #include <linux/init.h> #include <linux/console.h> diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index f0252184291e..c84e6f0db54e 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1,12 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Freescale lpuart serial port driver * * Copyright 2012-2014 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #if defined(CONFIG_SERIAL_FSL_LPUART_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -1632,12 +1628,11 @@ lpuart32_set_termios(struct uart_port *port, struct ktermios *termios, { struct lpuart_port *sport = container_of(port, struct lpuart_port, port); unsigned long flags; - unsigned long ctrl, old_ctrl, bd, modem; + unsigned long ctrl, old_ctrl, modem; unsigned int baud; unsigned int old_csize = old ? old->c_cflag & CSIZE : CS8; ctrl = old_ctrl = lpuart32_read(&sport->port, UARTCTRL); - bd = lpuart32_read(&sport->port, UARTBAUD); modem = lpuart32_read(&sport->port, UARTMODIR); /* * only support CS8 and CS7, and for CS7 must enable PE. @@ -2212,6 +2207,24 @@ static int lpuart_probe(struct platform_device *pdev) if (ret) goto failed_attach_port; + of_get_rs485_mode(np, &sport->port.rs485); + + if (sport->port.rs485.flags & SER_RS485_RX_DURING_TX) { + dev_err(&pdev->dev, "driver doesn't support RX during TX\n"); + return -ENOSYS; + } + + if (sport->port.rs485.delay_rts_before_send || + sport->port.rs485.delay_rts_after_send) { + dev_err(&pdev->dev, "driver doesn't support RTS delays\n"); + return -ENOSYS; + } + + if (sport->port.rs485.flags & SER_RS485_ENABLED) { + sport->port.rs485.flags |= SER_RS485_RTS_ON_SEND; + writeb(UARTMODEM_TXRTSE, sport->port.membase + UARTMODEM); + } + sport->dma_tx_chan = dma_request_slave_channel(sport->port.dev, "tx"); if (!sport->dma_tx_chan) dev_info(sport->port.dev, "DMA tx channel request failed, " @@ -2222,12 +2235,6 @@ static int lpuart_probe(struct platform_device *pdev) dev_info(sport->port.dev, "DMA rx channel request failed, " "operating without rx DMA\n"); - if (of_property_read_bool(np, "linux,rs485-enabled-at-boot-time")) { - sport->port.rs485.flags |= SER_RS485_ENABLED; - sport->port.rs485.flags |= SER_RS485_RTS_ON_SEND; - writeb(UARTMODEM_TXRTSE, sport->port.membase + UARTMODEM); - } - return 0; failed_attach_port: diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c index fe92d74f4ea5..ad374f7c476d 100644 --- a/drivers/tty/serial/icom.c +++ b/drivers/tty/serial/icom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * icom.c * @@ -6,21 +7,6 @@ * Serial device driver. * * Based on code from serial.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/module.h> #include <linux/kernel.h> diff --git a/drivers/tty/serial/icom.h b/drivers/tty/serial/icom.h index c8029e0025c9..8a77e739b333 100644 --- a/drivers/tty/serial/icom.h +++ b/drivers/tty/serial/icom.h @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * icom.h * * Copyright (C) 2001 Michael Anderson, IBM Corporation * * Serial device driver include file. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/serial_core.h> diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index f190a84a0246..473f4f81d690 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /**************************************************************************** * * Driver for the IFX 6x60 spi modem. @@ -10,20 +11,6 @@ * Copyright (C) 2009, 2010 Intel Corp * Russ Gorby <russ.gorby@intel.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA - * * Driver modified by Intel from Option gtm501l_spi.c * * Notes @@ -1029,9 +1016,8 @@ static int ifx_spi_spi_probe(struct spi_device *spi) spin_lock_init(&ifx_dev->write_lock); spin_lock_init(&ifx_dev->power_lock); ifx_dev->power_status = 0; - init_timer(&ifx_dev->spi_timer); - ifx_dev->spi_timer.function = ifx_spi_timeout; - ifx_dev->spi_timer.data = (unsigned long)ifx_dev; + setup_timer(&ifx_dev->spi_timer, ifx_spi_timeout, + (unsigned long)ifx_dev); ifx_dev->modem = pl_data->modem_type; ifx_dev->use_dma = pl_data->use_dma; ifx_dev->max_hz = pl_data->max_hz; diff --git a/drivers/tty/serial/ifx6x60.h b/drivers/tty/serial/ifx6x60.h index 4fbddc297839..c5a2514212ff 100644 --- a/drivers/tty/serial/ifx6x60.h +++ b/drivers/tty/serial/ifx6x60.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /**************************************************************************** * * Driver for the IFX spi modem. @@ -5,23 +6,6 @@ * Copyright (C) 2009, 2010 Intel Corp * Jim Stanley <jim.stanley@intel.com> * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA - * - * - * *****************************************************************************/ #ifndef _IFX6X60_H #define _IFX6X60_H diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index dfeff3951f93..a67a606c38eb 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for Motorola/Freescale IMX serial ports * @@ -5,16 +6,6 @@ * * Author: Sascha Hauer <sascha@saschahauer.de> * Copyright (C) 2004 Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #if defined(CONFIG_SERIAL_IMX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -334,7 +325,8 @@ static void imx_port_rts_active(struct imx_port *sport, unsigned long *ucr2) { *ucr2 &= ~(UCR2_CTSC | UCR2_CTS); - mctrl_gpio_set(sport->gpios, sport->port.mctrl | TIOCM_RTS); + sport->port.mctrl |= TIOCM_RTS; + mctrl_gpio_set(sport->gpios, sport->port.mctrl); } static void imx_port_rts_inactive(struct imx_port *sport, unsigned long *ucr2) @@ -342,7 +334,8 @@ static void imx_port_rts_inactive(struct imx_port *sport, unsigned long *ucr2) *ucr2 &= ~UCR2_CTSC; *ucr2 |= UCR2_CTS; - mctrl_gpio_set(sport->gpios, sport->port.mctrl & ~TIOCM_RTS); + sport->port.mctrl &= ~TIOCM_RTS; + mctrl_gpio_set(sport->gpios, sport->port.mctrl); } static void imx_port_rts_auto(struct imx_port *sport, unsigned long *ucr2) @@ -714,8 +707,6 @@ static void imx_disable_rx_int(struct imx_port *sport) { unsigned long temp; - sport->dma_is_rxing = 1; - /* disable the receiver ready and aging timer interrupts */ temp = readl(sport->port.membase + UCR1); temp &= ~(UCR1_RRDYEN); @@ -732,29 +723,6 @@ static void imx_disable_rx_int(struct imx_port *sport) } static void clear_rx_errors(struct imx_port *sport); -static int start_rx_dma(struct imx_port *sport); -/* - * If the RXFIFO is filled with some data, and then we - * arise a DMA operation to receive them. - */ -static void imx_dma_rxint(struct imx_port *sport) -{ - unsigned long temp; - unsigned long flags; - - spin_lock_irqsave(&sport->port.lock, flags); - - temp = readl(sport->port.membase + USR2); - if ((temp & USR2_RDR) && !sport->dma_is_rxing) { - - imx_disable_rx_int(sport); - - /* tell the DMA to receive the data. */ - start_rx_dma(sport); - } - - spin_unlock_irqrestore(&sport->port.lock, flags); -} /* * We have a modem side uart, so the meanings of RTS and CTS are inverted. @@ -816,11 +784,8 @@ static irqreturn_t imx_int(int irq, void *dev_id) sts = readl(sport->port.membase + USR1); sts2 = readl(sport->port.membase + USR2); - if (sts & (USR1_RRDY | USR1_AGTIM)) { - if (sport->dma_is_enabled) - imx_dma_rxint(sport); - else - imx_rxint(irq, dev_id); + if (!sport->dma_is_enabled && (sts & (USR1_RRDY | USR1_AGTIM))) { + imx_rxint(irq, dev_id); ret = IRQ_HANDLED; } @@ -1074,6 +1039,7 @@ static int start_rx_dma(struct imx_port *sport) desc->callback_param = sport; dev_dbg(dev, "RX: prepare for the DMA.\n"); + sport->dma_is_rxing = 1; sport->rx_cookie = dmaengine_submit(desc); dma_async_issue_pending(chan); return 0; @@ -1165,7 +1131,7 @@ static int imx_uart_dma_init(struct imx_port *sport) goto err; } - sport->rx_buf = kzalloc(PAGE_SIZE, GFP_KERNEL); + sport->rx_buf = kzalloc(RX_BUF_SIZE, GFP_KERNEL); if (!sport->rx_buf) { ret = -ENOMEM; goto err; @@ -1207,10 +1173,6 @@ static void imx_enable_dma(struct imx_port *sport) temp |= UCR1_RDMAEN | UCR1_TDMAEN | UCR1_ATDMAEN; writel(temp, sport->port.membase + UCR1); - temp = readl(sport->port.membase + UCR2); - temp |= UCR2_ATEN; - writel(temp, sport->port.membase + UCR2); - imx_setup_ufcr(sport, TXTL_DMA, RXTL_DMA); sport->dma_is_enabled = 1; @@ -1411,15 +1373,19 @@ static void imx_flush_buffer(struct uart_port *port) temp = readl(sport->port.membase + UCR1); temp &= ~UCR1_TDMAEN; writel(temp, sport->port.membase + UCR1); - sport->dma_is_txing = false; + sport->dma_is_txing = 0; } /* * According to the Reference Manual description of the UART SRST bit: + * * "Reset the transmit and receive state machines, * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD - * and UTS[6-3]". As we don't need to restore the old values from - * USR1, USR2, URXD, UTXD, only save/restore the other four registers + * and UTS[6-3]". + * + * We don't need to restore the old values from USR1, USR2, URXD and + * UTXD. UBRC is read only, so only save/restore the other three + * registers. */ ubir = readl(sport->port.membase + UBIR); ubmr = readl(sport->port.membase + UBMR); @@ -2051,6 +2017,8 @@ static int serial_imx_probe_dt(struct imx_port *sport, if (of_get_property(np, "rts-gpios", NULL)) sport->have_rtsgpio = 1; + of_get_rs485_mode(np, &sport->port.rs485); + return 0; } #else @@ -2112,12 +2080,9 @@ static int serial_imx_probe(struct platform_device *pdev) sport->port.fifosize = 32; sport->port.ops = &imx_pops; sport->port.rs485_config = imx_rs485_config; - sport->port.rs485.flags = - SER_RS485_RTS_ON_SEND | SER_RS485_RX_DURING_TX; + sport->port.rs485.flags |= SER_RS485_RTS_ON_SEND; sport->port.flags = UPF_BOOT_AUTOCONF; - init_timer(&sport->timer); - sport->timer.function = imx_timeout; - sport->timer.data = (unsigned long)sport; + setup_timer(&sport->timer, imx_timeout, (unsigned long)sport); sport->gpios = mctrl_gpio_init(&sport->port, 0); if (IS_ERR(sport->gpios)) @@ -2346,11 +2311,39 @@ static int imx_serial_port_resume(struct device *dev) return 0; } +static int imx_serial_port_freeze(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct imx_port *sport = platform_get_drvdata(pdev); + + uart_suspend_port(&imx_reg, &sport->port); + + /* Needed to enable clock in suspend_noirq */ + return clk_prepare(sport->clk_ipg); +} + +static int imx_serial_port_thaw(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct imx_port *sport = platform_get_drvdata(pdev); + + uart_resume_port(&imx_reg, &sport->port); + + clk_unprepare(sport->clk_ipg); + + return 0; +} + static const struct dev_pm_ops imx_serial_port_pm_ops = { .suspend_noirq = imx_serial_port_suspend_noirq, .resume_noirq = imx_serial_port_resume_noirq, + .freeze_noirq = imx_serial_port_suspend_noirq, + .restore_noirq = imx_serial_port_resume_noirq, .suspend = imx_serial_port_suspend, .resume = imx_serial_port_resume, + .freeze = imx_serial_port_freeze, + .thaw = imx_serial_port_thaw, + .restore = imx_serial_port_thaw, }; static struct platform_driver serial_imx_driver = { diff --git a/drivers/tty/serial/ioc3_serial.c b/drivers/tty/serial/ioc3_serial.c index 906ee770ff4a..d8a1cdd6a53d 100644 --- a/drivers/tty/serial/ioc3_serial.c +++ b/drivers/tty/serial/ioc3_serial.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * * Copyright (C) 2005 Silicon Graphics, Inc. All Rights Reserved. */ diff --git a/drivers/tty/serial/ioc4_serial.c b/drivers/tty/serial/ioc4_serial.c index 43d7d32eb150..db5b979e5a0c 100644 --- a/drivers/tty/serial/ioc4_serial.c +++ b/drivers/tty/serial/ioc4_serial.c @@ -1,8 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0 /* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * * Copyright (C) 2003-2006 Silicon Graphics, Inc. All Rights Reserved. */ diff --git a/drivers/tty/serial/ip22zilog.c b/drivers/tty/serial/ip22zilog.c index 7ddddb4c3844..8c810733df3d 100644 --- a/drivers/tty/serial/ip22zilog.c +++ b/drivers/tty/serial/ip22zilog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for Zilog serial chips found on SGI workstations and * servers. This driver could actually be made more generic. diff --git a/drivers/tty/serial/ip22zilog.h b/drivers/tty/serial/ip22zilog.h index a59a9a8341d2..b52801fe2d0d 100644 --- a/drivers/tty/serial/ip22zilog.h +++ b/drivers/tty/serial/ip22zilog.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _IP22_ZILOG_H #define _IP22_ZILOG_H diff --git a/drivers/tty/serial/jsm/jsm.h b/drivers/tty/serial/jsm/jsm.h index 0b79b87df47d..7a128aaa3a66 100644 --- a/drivers/tty/serial/jsm/jsm.h +++ b/drivers/tty/serial/jsm/jsm.h @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * Copyright 2003 Digi International (www.digi.com) * * Copyright (C) 2004 IBM Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * * Contact Information: * Scott H Kilau <Scott_Kilau@digi.com> * Wendy Xiong <wendyx@us.ibm.com> diff --git a/drivers/tty/serial/jsm/jsm_cls.c b/drivers/tty/serial/jsm/jsm_cls.c index 4eb12a9cae76..c061a7b7bd23 100644 --- a/drivers/tty/serial/jsm/jsm_cls.c +++ b/drivers/tty/serial/jsm/jsm_cls.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2003 Digi International (www.digi.com) * Scott H Kilau <Scott_Kilau at digi dot com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * * NOTE TO LINUX KERNEL HACKERS: DO NOT REFORMAT THIS CODE! * * This is shared code between Digi's CVS archive and the diff --git a/drivers/tty/serial/jsm/jsm_driver.c b/drivers/tty/serial/jsm/jsm_driver.c index 102d499814ac..592e51d8944e 100644 --- a/drivers/tty/serial/jsm/jsm_driver.c +++ b/drivers/tty/serial/jsm/jsm_driver.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * Copyright 2003 Digi International (www.digi.com) * * Copyright (C) 2004 IBM Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * * Contact Information: * Scott H Kilau <Scott_Kilau@digi.com> * Wendy Xiong <wendyx@us.ibm.com> diff --git a/drivers/tty/serial/jsm/jsm_neo.c b/drivers/tty/serial/jsm/jsm_neo.c index c6fdd6369534..4718560b8fdc 100644 --- a/drivers/tty/serial/jsm/jsm_neo.c +++ b/drivers/tty/serial/jsm/jsm_neo.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * Copyright 2003 Digi International (www.digi.com) * * Copyright (C) 2004 IBM Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * * Contact Information: * Scott H Kilau <Scott_Kilau@digi.com> * Wendy Xiong <wendyx@us.ibm.com> diff --git a/drivers/tty/serial/jsm/jsm_tty.c b/drivers/tty/serial/jsm/jsm_tty.c index ec7d8383900f..469927d37b41 100644 --- a/drivers/tty/serial/jsm/jsm_tty.c +++ b/drivers/tty/serial/jsm/jsm_tty.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /************************************************************************ * Copyright 2003 Digi International (www.digi.com) * * Copyright (C) 2004 IBM Corporation. All rights reserved. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * * Contact Information: * Scott H Kilau <Scott_Kilau@digi.com> * Ananda Venkatarman <mansarov@us.ibm.com> @@ -36,7 +27,7 @@ static void jsm_carrier(struct jsm_channel *ch); static inline int jsm_get_mstat(struct jsm_channel *ch) { unsigned char mstat; - unsigned result; + int result; jsm_dbg(IOCTL, &ch->ch_bd->pci_dev, "start\n"); @@ -124,6 +115,7 @@ static void jsm_tty_set_mctrl(struct uart_port *port, unsigned int mctrl) static void jsm_tty_write(struct uart_port *port) { struct jsm_channel *channel; + channel = container_of(port, struct jsm_channel, uart_port); channel->ch_bd->bd_ops->copy_data_from_queue_to_uart(channel); } @@ -275,14 +267,12 @@ static int jsm_tty_open(struct uart_port *port) static void jsm_tty_close(struct uart_port *port) { struct jsm_board *bd; - struct ktermios *ts; struct jsm_channel *channel = container_of(port, struct jsm_channel, uart_port); jsm_dbg(CLOSE, &channel->ch_bd->pci_dev, "start\n"); bd = channel->ch_bd; - ts = &port->state->port.tty->termios; channel->ch_flags &= ~(CH_STOPI); @@ -473,12 +463,11 @@ int jsm_uart_port_init(struct jsm_board *brd) } else set_bit(line, linemap); brd->channels[i]->uart_port.line = line; - rc = uart_add_one_port (&jsm_uart_driver, &brd->channels[i]->uart_port); - if (rc){ + rc = uart_add_one_port(&jsm_uart_driver, &brd->channels[i]->uart_port); + if (rc) { printk(KERN_INFO "jsm: Port %d failed. Aborting...\n", i); return rc; - } - else + } else printk(KERN_INFO "jsm: Port %d added\n", i); } @@ -541,7 +530,7 @@ void jsm_input(struct jsm_channel *ch) tp = port->tty; bd = ch->ch_bd; - if(!bd) + if (!bd) return; spin_lock_irqsave(&ch->ch_lock, lock_flags); @@ -781,7 +770,7 @@ void jsm_check_queue_flow_control(struct jsm_channel *ch) if (qleft < 256) { /* HWFLOW */ if (ch->ch_c_cflag & CRTSCTS) { - if(!(ch->ch_flags & CH_RECEIVER_OFF)) { + if (!(ch->ch_flags & CH_RECEIVER_OFF)) { bd_ops->disable_receiver(ch); ch->ch_flags |= (CH_RECEIVER_OFF); jsm_dbg(READ, &ch->ch_bd->pci_dev, diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c index 117df151627d..ed2b03058627 100644 --- a/drivers/tty/serial/kgdb_nmi.c +++ b/drivers/tty/serial/kgdb_nmi.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * KGDB NMI serial console * @@ -6,10 +7,6 @@ * Colin Cross <ccross@android.com> * Copyright 2012 Linaro Ltd. * Anton Vorontsov <anton.vorontsov@linaro.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ #include <linux/kernel.h> diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index a260cde743e2..ddb46fa2d07f 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Based on the same principle as kgdboe using the NETPOLL api, this * driver uses a console polling api to implement a gdb serial inteface @@ -6,10 +7,6 @@ * Maintainer: Jason Wessel <jason.wessel@windriver.com> * * 2007-2008 (c) Jason Wessel - Wind River Systems, Inc. - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without any - * warranty of any kind, whether express or implied. */ #include <linux/kernel.h> #include <linux/ctype.h> diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c index 22df94f107e5..044128277248 100644 --- a/drivers/tty/serial/lantiq.c +++ b/drivers/tty/serial/lantiq.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * Copyright (C) 2004 Infineon IFAP DC COM CPE * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> * Copyright (C) 2007 John Crispin <john@phrozen.org> diff --git a/drivers/tty/serial/lpc32xx_hs.c b/drivers/tty/serial/lpc32xx_hs.c index cea57ff32c33..d1d73261575b 100644 --- a/drivers/tty/serial/lpc32xx_hs.c +++ b/drivers/tty/serial/lpc32xx_hs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * High Speed Serial Ports on NXP LPC32xx SoC * @@ -6,16 +7,6 @@ * * Copyright (C) 2010 NXP Semiconductors * Copyright (C) 2012 Roland Stigge - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c index 5b3bd9511993..7b83a8aab495 100644 --- a/drivers/tty/serial/m32r_sio.c +++ b/drivers/tty/serial/m32r_sio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * m32r_sio.c * @@ -8,11 +9,6 @@ * * Copyright (C) 2001 Russell King. * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /* @@ -511,9 +507,9 @@ static void serial_unlink_irq_chain(struct uart_sio_port *up) /* * This function is used to handle ports that do not have an interrupt. */ -static void m32r_sio_timeout(unsigned long data) +static void m32r_sio_timeout(struct timer_list *t) { - struct uart_sio_port *up = (struct uart_sio_port *)data; + struct uart_sio_port *up = from_timer(up, t, timer); unsigned int timeout; unsigned int sts; @@ -576,7 +572,6 @@ static int m32r_sio_startup(struct uart_port *port) timeout = timeout > 6 ? (timeout / 2 - 2) : 1; - up->timer.data = (unsigned long)up; mod_timer(&up->timer, jiffies + timeout); } else { retval = serial_link_irq_chain(up); @@ -907,8 +902,7 @@ static void __init m32r_sio_register_ports(struct uart_driver *drv) up->port.line = i; up->port.ops = &m32r_sio_pops; - init_timer(&up->timer); - up->timer.function = m32r_sio_timeout; + timer_setup(&up->timer, m32r_sio_timeout, 0); uart_add_one_port(drv, &up->port); } diff --git a/drivers/tty/serial/m32r_sio_reg.h b/drivers/tty/serial/m32r_sio_reg.h index 4671473793e3..6eed48828f94 100644 --- a/drivers/tty/serial/m32r_sio_reg.h +++ b/drivers/tty/serial/m32r_sio_reg.h @@ -1,12 +1,10 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * m32r_sio_reg.h * * Copyright (C) 1992, 1994 by Theodore Ts'o. * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org> * - * Redistribution of this file is permitted under the terms of the GNU - * Public License (GPL) - * * These are the UART port assignments, expressed as offsets from the base * register. These assignments should hold for any serial port based on * a 8250, 16450, or 16550(A). diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c index ace82645b123..27d6049eb6a9 100644 --- a/drivers/tty/serial/max3100.c +++ b/drivers/tty/serial/max3100.c @@ -1,13 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * * Copyright (C) 2008 Christian Pellegrin <chripell@evolware.org> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * * Notes: the MAX3100 doesn't provide an interrupt on CTS so we have * to use polling for flow control. TX empty IRQ is unusable, since * writing conf clears FIFO buffer and we cannot have this interrupt @@ -263,7 +258,7 @@ static void max3100_work(struct work_struct *w) struct max3100_port *s = container_of(w, struct max3100_port, work); int rxchars; u16 tx, rx; - int conf, cconf, rts, crts; + int conf, cconf, crts; struct circ_buf *xmit = &s->port.state->xmit; dev_dbg(&s->spi->dev, "%s\n", __func__); @@ -274,7 +269,6 @@ static void max3100_work(struct work_struct *w) conf = s->conf; cconf = s->conf_commit; s->conf_commit = 0; - rts = s->rts; crts = s->rts_commit; s->rts_commit = 0; spin_unlock(&s->conf_lock); @@ -436,7 +430,6 @@ max3100_set_termios(struct uart_port *port, struct ktermios *termios, dev_dbg(&s->spi->dev, "%s\n", __func__); cflag = termios->c_cflag; - param_new = 0; param_mask = 0; baud = tty_termios_baud_rate(termios); @@ -787,9 +780,8 @@ static int max3100_probe(struct spi_device *spi) max3100s[i]->poll_time = 1; max3100s[i]->max3100_hw_suspend = pdata->max3100_hw_suspend; max3100s[i]->minor = i; - init_timer(&max3100s[i]->timer); - max3100s[i]->timer.function = max3100_timeout; - max3100s[i]->timer.data = (unsigned long) max3100s[i]; + setup_timer(&max3100s[i]->timer, max3100_timeout, + (unsigned long)max3100s[i]); dev_dbg(&spi->dev, "%s: adding port %d\n", __func__, i); max3100s[i]->port.irq = max3100s[i]->irq; diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 9dfedbe6c071..ecb6513a6505 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Maxim (Dallas) MAX3107/8/9, MAX14830 serial driver * @@ -6,11 +7,6 @@ * Based on max3100.c, by Christian Pellegrin <chripell@evolware.org> * Based on max3110.c, by Feng Tang <feng.tang@intel.com> * Based on max3107.c, by Aavamobile - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #include <linux/bitops.h> diff --git a/drivers/tty/serial/mcf.c b/drivers/tty/serial/mcf.c index 02eb32217685..7dbfb4cde124 100644 --- a/drivers/tty/serial/mcf.c +++ b/drivers/tty/serial/mcf.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /****************************************************************************/ /* * mcf.c -- Freescale ColdFire UART driver * * (C) Copyright 2003-2007, Greg Ungerer <gerg@uclinux.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ /****************************************************************************/ diff --git a/drivers/tty/serial/men_z135_uart.c b/drivers/tty/serial/men_z135_uart.c index e72ea61c70db..ef89534dd760 100644 --- a/drivers/tty/serial/men_z135_uart.c +++ b/drivers/tty/serial/men_z135_uart.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MEN 16z135 High Speed UART * * Copyright (C) 2014 MEN Mikroelektronik GmbH (www.men.de) * Author: Johannes Thumshirn <johannes.thumshirn@men.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; version 2 of the License. */ #define pr_fmt(fmt) KBUILD_MODNAME ":" fmt diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 07c0f98be3ac..daafe60175da 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -1,19 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Based on meson_uart.c, by AMLOGIC, INC. * * Copyright (C) 2014 Carlo Caione <carlo@caione.org> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ +#if defined(CONFIG_SERIAL_MESON_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) +#define SUPPORT_SYSRQ +#endif + #include <linux/clk.h> #include <linux/console.h> #include <linux/delay.h> @@ -183,12 +178,12 @@ static void meson_receive_chars(struct uart_port *port) { struct tty_port *tport = &port->state->port; char flag; - u32 status, ch, mode; + u32 ostatus, status, ch, mode; do { flag = TTY_NORMAL; port->icount.rx++; - status = readl(port->membase + AML_UART_STATUS); + ostatus = status = readl(port->membase + AML_UART_STATUS); if (status & AML_UART_ERR) { if (status & AML_UART_TX_FIFO_WERR) @@ -216,6 +211,16 @@ static void meson_receive_chars(struct uart_port *port) ch = readl(port->membase + AML_UART_RFIFO); ch &= 0xff; + if ((ostatus & AML_UART_FRAME_ERR) && (ch == 0)) { + port->icount.brk++; + flag = TTY_BREAK; + if (uart_handle_break(port)) + continue; + } + + if (uart_handle_sysrq_char(port, ch)) + continue; + if ((status & port->ignore_status_mask) == 0) tty_insert_flip_char(tport, ch, flag); @@ -362,7 +367,7 @@ static void meson_uart_set_termios(struct uart_port *port, writel(val, port->membase + AML_UART_CONTROL); - baud = uart_get_baud_rate(port, termios, old, 9600, 4000000); + baud = uart_get_baud_rate(port, termios, old, 50, 4000000); meson_uart_change_speed(port, baud); port->read_status_mask = AML_UART_TX_FIFO_WERR; diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c index 791c4c74f6d6..3a75ee08d619 100644 --- a/drivers/tty/serial/mpc52xx_uart.c +++ b/drivers/tty/serial/mpc52xx_uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the PSC of the Freescale MPC52xx PSCs configured as UARTs. * @@ -23,10 +24,6 @@ * Grant Likely <grant.likely@secretlab.ca> * Copyright (C) 2004-2006 Sylvain Munaut <tnt@246tNt.com> * Copyright (C) 2003 MontaVista, Software, Inc. - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. */ #undef DEBUG diff --git a/drivers/tty/serial/mps2-uart.c b/drivers/tty/serial/mps2-uart.c index 492ec4b375a0..9f8f63719126 100644 --- a/drivers/tty/serial/mps2-uart.c +++ b/drivers/tty/serial/mps2-uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * MPS2 UART driver * @@ -5,10 +6,6 @@ * * Author: Vladimir Murzin <vladimir.murzin@arm.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * TODO: support for SysRq */ diff --git a/drivers/tty/serial/mpsc.c b/drivers/tty/serial/mpsc.c index 67ffecc50e42..1f60d6fe4ff2 100644 --- a/drivers/tty/serial/mpsc.c +++ b/drivers/tty/serial/mpsc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic driver for the MPSC (UART mode) on Marvell parts (e.g., GT64240, * GT64260, MV64340, MV64360, GT96100, ... ). @@ -10,10 +11,7 @@ * taken from PPCBoot (now U-Boot). Also based on drivers/serial/8250.c * by Russell King. * - * 2004 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * 2004 (c) MontaVista, Software, Inc. */ /* * The MPSC interface is much like a typical network controller's interface. diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 1db79ee8a886..ee96cf0d0057 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for msm7k serial device and console * * Copyright (C) 2007 Google, Inc. * Author: Robert Love <rlove@google.com> * Copyright (c) 2011, Code Aurora Forum. All rights reserved. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #if defined(CONFIG_SERIAL_MSM_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/mux.c b/drivers/tty/serial/mux.c index 2bff69e70e4b..3b74369c262f 100644 --- a/drivers/tty/serial/mux.c +++ b/drivers/tty/serial/mux.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* ** mux.c: ** serial driver for the Mux console found in some PA-RISC servers. @@ -5,11 +6,6 @@ ** (c) Copyright 2002 Ryan Bradetich ** (c) Copyright 2002 Hewlett-Packard Company ** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU General Public License as published by -** the Free Software Foundation; either version 2 of the License, or -** (at your option) any later version. -** ** This Driver currently only supports the console (port 0) on the MUX. ** Additional work will be needed on this driver to enable the full ** functionality of the MUX. @@ -576,8 +572,7 @@ static int __init mux_init(void) if(port_cnt > 0) { /* Start the Mux timer */ - init_timer(&mux_timer); - mux_timer.function = mux_poll; + setup_timer(&mux_timer, mux_poll, 0UL); mod_timer(&mux_timer, jiffies + MUX_POLL_DELAY); #ifdef CONFIG_SERIAL_MUX_CONSOLE diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c index 45b57c294d13..a100e98259d7 100644 --- a/drivers/tty/serial/mvebu-uart.c +++ b/drivers/tty/serial/mvebu-uart.c @@ -1,21 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * *************************************************************************** * Marvell Armada-3700 Serial Driver * Author: Wilson Ding <dingwei@marvell.com> * Copyright (C) 2015 Marvell International Ltd. * *************************************************************************** -* This program is free software: you can redistribute it and/or modify it -* under the terms of the GNU General Public License as published by the Free -* Software Foundation, either version 2 of the License, or any later version. -* -* This program is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -* GNU General Public License for more details. -* -* You should have received a copy of the GNU General Public License -* along with this program. If not, see <http://www.gnu.org/licenses/>. -* *************************************************************************** */ #include <linux/clk.h> @@ -38,46 +27,40 @@ #include <linux/tty_flip.h> /* Register Map */ -#define UART_RBR 0x00 -#define RBR_BRK_DET BIT(15) -#define RBR_FRM_ERR_DET BIT(14) -#define RBR_PAR_ERR_DET BIT(13) -#define RBR_OVR_ERR_DET BIT(12) +#define UART_STD_RBR 0x00 +#define UART_EXT_RBR 0x18 -#define UART_TSH 0x04 +#define UART_STD_TSH 0x04 +#define UART_EXT_TSH 0x1C -#define UART_CTRL 0x08 +#define UART_STD_CTRL1 0x08 +#define UART_EXT_CTRL1 0x04 #define CTRL_SOFT_RST BIT(31) #define CTRL_TXFIFO_RST BIT(15) #define CTRL_RXFIFO_RST BIT(14) -#define CTRL_ST_MIRR_EN BIT(13) -#define CTRL_LPBK_EN BIT(12) #define CTRL_SND_BRK_SEQ BIT(11) -#define CTRL_PAR_EN BIT(10) -#define CTRL_TWO_STOP BIT(9) -#define CTRL_TX_HFL_INT BIT(8) -#define CTRL_RX_HFL_INT BIT(7) -#define CTRL_TX_EMP_INT BIT(6) -#define CTRL_TX_RDY_INT BIT(5) -#define CTRL_RX_RDY_INT BIT(4) #define CTRL_BRK_DET_INT BIT(3) #define CTRL_FRM_ERR_INT BIT(2) #define CTRL_PAR_ERR_INT BIT(1) #define CTRL_OVR_ERR_INT BIT(0) -#define CTRL_RX_INT (CTRL_RX_RDY_INT | CTRL_BRK_DET_INT |\ - CTRL_FRM_ERR_INT | CTRL_PAR_ERR_INT | CTRL_OVR_ERR_INT) +#define CTRL_BRK_INT (CTRL_BRK_DET_INT | CTRL_FRM_ERR_INT | \ + CTRL_PAR_ERR_INT | CTRL_OVR_ERR_INT) + +#define UART_STD_CTRL2 UART_STD_CTRL1 +#define UART_EXT_CTRL2 0x20 +#define CTRL_STD_TX_RDY_INT BIT(5) +#define CTRL_EXT_TX_RDY_INT BIT(6) +#define CTRL_STD_RX_RDY_INT BIT(4) +#define CTRL_EXT_RX_RDY_INT BIT(5) -#define UART_STAT 0x0c +#define UART_STAT 0x0C #define STAT_TX_FIFO_EMP BIT(13) -#define STAT_RX_FIFO_EMP BIT(12) #define STAT_TX_FIFO_FUL BIT(11) -#define STAT_TX_FIFO_HFL BIT(10) -#define STAT_RX_TOGL BIT(9) -#define STAT_RX_FIFO_FUL BIT(8) -#define STAT_RX_FIFO_HFL BIT(7) #define STAT_TX_EMP BIT(6) -#define STAT_TX_RDY BIT(5) -#define STAT_RX_RDY BIT(4) +#define STAT_STD_TX_RDY BIT(5) +#define STAT_EXT_TX_RDY BIT(15) +#define STAT_STD_RX_RDY BIT(4) +#define STAT_EXT_RX_RDY BIT(14) #define STAT_BRK_DET BIT(3) #define STAT_FRM_ERR BIT(2) #define STAT_PAR_ERR BIT(1) @@ -86,18 +69,73 @@ | STAT_PAR_ERR | STAT_OVR_ERR) #define UART_BRDV 0x10 +#define BRDV_BAUD_MASK 0x3FF -#define MVEBU_NR_UARTS 1 +#define MVEBU_NR_UARTS 2 #define MVEBU_UART_TYPE "mvebu-uart" +#define DRIVER_NAME "mvebu_serial" + +enum { + /* Either there is only one summed IRQ... */ + UART_IRQ_SUM = 0, + /* ...or there are two separate IRQ for RX and TX */ + UART_RX_IRQ = 0, + UART_TX_IRQ, + UART_IRQ_COUNT +}; -static struct uart_port mvebu_uart_ports[MVEBU_NR_UARTS]; +/* Diverging register offsets */ +struct uart_regs_layout { + unsigned int rbr; + unsigned int tsh; + unsigned int ctrl; + unsigned int intr; +}; + +/* Diverging flags */ +struct uart_flags { + unsigned int ctrl_tx_rdy_int; + unsigned int ctrl_rx_rdy_int; + unsigned int stat_tx_rdy; + unsigned int stat_rx_rdy; +}; + +/* Driver data, a structure for each UART port */ +struct mvebu_uart_driver_data { + bool is_ext; + struct uart_regs_layout regs; + struct uart_flags flags; +}; -struct mvebu_uart_data { +/* MVEBU UART driver structure */ +struct mvebu_uart { struct uart_port *port; - struct clk *clk; + struct clk *clk; + int irq[UART_IRQ_COUNT]; + unsigned char __iomem *nb; + struct mvebu_uart_driver_data *data; }; +static struct mvebu_uart *to_mvuart(struct uart_port *port) +{ + return (struct mvebu_uart *)port->private_data; +} + +#define IS_EXTENDED(port) (to_mvuart(port)->data->is_ext) + +#define UART_RBR(port) (to_mvuart(port)->data->regs.rbr) +#define UART_TSH(port) (to_mvuart(port)->data->regs.tsh) +#define UART_CTRL(port) (to_mvuart(port)->data->regs.ctrl) +#define UART_INTR(port) (to_mvuart(port)->data->regs.intr) + +#define CTRL_TX_RDY_INT(port) (to_mvuart(port)->data->flags.ctrl_tx_rdy_int) +#define CTRL_RX_RDY_INT(port) (to_mvuart(port)->data->flags.ctrl_rx_rdy_int) +#define STAT_TX_RDY(port) (to_mvuart(port)->data->flags.stat_tx_rdy) +#define STAT_RX_RDY(port) (to_mvuart(port)->data->flags.stat_rx_rdy) + +static struct uart_port mvebu_uart_ports[MVEBU_NR_UARTS]; + /* Core UART Driver Operations */ static unsigned int mvebu_uart_tx_empty(struct uart_port *port) { @@ -127,26 +165,39 @@ static void mvebu_uart_set_mctrl(struct uart_port *port, static void mvebu_uart_stop_tx(struct uart_port *port) { - unsigned int ctl = readl(port->membase + UART_CTRL); + unsigned int ctl = readl(port->membase + UART_INTR(port)); - ctl &= ~CTRL_TX_RDY_INT; - writel(ctl, port->membase + UART_CTRL); + ctl &= ~CTRL_TX_RDY_INT(port); + writel(ctl, port->membase + UART_INTR(port)); } static void mvebu_uart_start_tx(struct uart_port *port) { - unsigned int ctl = readl(port->membase + UART_CTRL); + unsigned int ctl; + struct circ_buf *xmit = &port->state->xmit; + + if (IS_EXTENDED(port) && !uart_circ_empty(xmit)) { + writel(xmit->buf[xmit->tail], port->membase + UART_TSH(port)); + xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); + port->icount.tx++; + } - ctl |= CTRL_TX_RDY_INT; - writel(ctl, port->membase + UART_CTRL); + ctl = readl(port->membase + UART_INTR(port)); + ctl |= CTRL_TX_RDY_INT(port); + writel(ctl, port->membase + UART_INTR(port)); } static void mvebu_uart_stop_rx(struct uart_port *port) { - unsigned int ctl = readl(port->membase + UART_CTRL); + unsigned int ctl; + + ctl = readl(port->membase + UART_CTRL(port)); + ctl &= ~CTRL_BRK_INT; + writel(ctl, port->membase + UART_CTRL(port)); - ctl &= ~CTRL_RX_INT; - writel(ctl, port->membase + UART_CTRL); + ctl = readl(port->membase + UART_INTR(port)); + ctl &= ~CTRL_RX_RDY_INT(port); + writel(ctl, port->membase + UART_INTR(port)); } static void mvebu_uart_break_ctl(struct uart_port *port, int brk) @@ -155,12 +206,12 @@ static void mvebu_uart_break_ctl(struct uart_port *port, int brk) unsigned long flags; spin_lock_irqsave(&port->lock, flags); - ctl = readl(port->membase + UART_CTRL); + ctl = readl(port->membase + UART_CTRL(port)); if (brk == -1) ctl |= CTRL_SND_BRK_SEQ; else ctl &= ~CTRL_SND_BRK_SEQ; - writel(ctl, port->membase + UART_CTRL); + writel(ctl, port->membase + UART_CTRL(port)); spin_unlock_irqrestore(&port->lock, flags); } @@ -171,8 +222,8 @@ static void mvebu_uart_rx_chars(struct uart_port *port, unsigned int status) char flag = 0; do { - if (status & STAT_RX_RDY) { - ch = readl(port->membase + UART_RBR); + if (status & STAT_RX_RDY(port)) { + ch = readl(port->membase + UART_RBR(port)); ch &= 0xff; flag = TTY_NORMAL; port->icount.rx++; @@ -198,7 +249,7 @@ static void mvebu_uart_rx_chars(struct uart_port *port, unsigned int status) goto ignore_char; if (status & port->ignore_status_mask & STAT_PAR_ERR) - status &= ~STAT_RX_RDY; + status &= ~STAT_RX_RDY(port); status &= port->read_status_mask; @@ -207,7 +258,7 @@ static void mvebu_uart_rx_chars(struct uart_port *port, unsigned int status) status &= ~port->ignore_status_mask; - if (status & STAT_RX_RDY) + if (status & STAT_RX_RDY(port)) tty_insert_flip_char(tport, ch, flag); if (status & STAT_BRK_DET) @@ -221,7 +272,7 @@ static void mvebu_uart_rx_chars(struct uart_port *port, unsigned int status) ignore_char: status = readl(port->membase + UART_STAT); - } while (status & (STAT_RX_RDY | STAT_BRK_DET)); + } while (status & (STAT_RX_RDY(port) | STAT_BRK_DET)); tty_flip_buffer_push(tport); } @@ -233,7 +284,7 @@ static void mvebu_uart_tx_chars(struct uart_port *port, unsigned int status) unsigned int st; if (port->x_char) { - writel(port->x_char, port->membase + UART_TSH); + writel(port->x_char, port->membase + UART_TSH(port)); port->icount.tx++; port->x_char = 0; return; @@ -245,7 +296,7 @@ static void mvebu_uart_tx_chars(struct uart_port *port, unsigned int status) } for (count = 0; count < port->fifosize; count++) { - writel(xmit->buf[xmit->tail], port->membase + UART_TSH); + writel(xmit->buf[xmit->tail], port->membase + UART_TSH(port)); xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); port->icount.tx++; @@ -269,10 +320,34 @@ static irqreturn_t mvebu_uart_isr(int irq, void *dev_id) struct uart_port *port = (struct uart_port *)dev_id; unsigned int st = readl(port->membase + UART_STAT); - if (st & (STAT_RX_RDY | STAT_OVR_ERR | STAT_FRM_ERR | STAT_BRK_DET)) + if (st & (STAT_RX_RDY(port) | STAT_OVR_ERR | STAT_FRM_ERR | + STAT_BRK_DET)) mvebu_uart_rx_chars(port, st); - if (st & STAT_TX_RDY) + if (st & STAT_TX_RDY(port)) + mvebu_uart_tx_chars(port, st); + + return IRQ_HANDLED; +} + +static irqreturn_t mvebu_uart_rx_isr(int irq, void *dev_id) +{ + struct uart_port *port = (struct uart_port *)dev_id; + unsigned int st = readl(port->membase + UART_STAT); + + if (st & (STAT_RX_RDY(port) | STAT_OVR_ERR | STAT_FRM_ERR | + STAT_BRK_DET)) + mvebu_uart_rx_chars(port, st); + + return IRQ_HANDLED; +} + +static irqreturn_t mvebu_uart_tx_isr(int irq, void *dev_id) +{ + struct uart_port *port = (struct uart_port *)dev_id; + unsigned int st = readl(port->membase + UART_STAT); + + if (st & STAT_TX_RDY(port)) mvebu_uart_tx_chars(port, st); return IRQ_HANDLED; @@ -280,18 +355,57 @@ static irqreturn_t mvebu_uart_isr(int irq, void *dev_id) static int mvebu_uart_startup(struct uart_port *port) { + struct mvebu_uart *mvuart = to_mvuart(port); + unsigned int ctl; int ret; writel(CTRL_TXFIFO_RST | CTRL_RXFIFO_RST, - port->membase + UART_CTRL); + port->membase + UART_CTRL(port)); udelay(1); - writel(CTRL_RX_INT, port->membase + UART_CTRL); - ret = request_irq(port->irq, mvebu_uart_isr, port->irqflags, "serial", - port); - if (ret) { - dev_err(port->dev, "failed to request irq\n"); - return ret; + /* Clear the error bits of state register before IRQ request */ + ret = readl(port->membase + UART_STAT); + ret |= STAT_BRK_ERR; + writel(ret, port->membase + UART_STAT); + + writel(CTRL_BRK_INT, port->membase + UART_CTRL(port)); + + ctl = readl(port->membase + UART_INTR(port)); + ctl |= CTRL_RX_RDY_INT(port); + writel(ctl, port->membase + UART_INTR(port)); + + if (!mvuart->irq[UART_TX_IRQ]) { + /* Old bindings with just one interrupt (UART0 only) */ + ret = devm_request_irq(port->dev, mvuart->irq[UART_IRQ_SUM], + mvebu_uart_isr, port->irqflags, + dev_name(port->dev), port); + if (ret) { + dev_err(port->dev, "unable to request IRQ %d\n", + mvuart->irq[UART_IRQ_SUM]); + return ret; + } + } else { + /* New bindings with an IRQ for RX and TX (both UART) */ + ret = devm_request_irq(port->dev, mvuart->irq[UART_RX_IRQ], + mvebu_uart_rx_isr, port->irqflags, + dev_name(port->dev), port); + if (ret) { + dev_err(port->dev, "unable to request IRQ %d\n", + mvuart->irq[UART_RX_IRQ]); + return ret; + } + + ret = devm_request_irq(port->dev, mvuart->irq[UART_TX_IRQ], + mvebu_uart_tx_isr, port->irqflags, + dev_name(port->dev), + port); + if (ret) { + dev_err(port->dev, "unable to request IRQ %d\n", + mvuart->irq[UART_TX_IRQ]); + devm_free_irq(port->dev, mvuart->irq[UART_RX_IRQ], + port); + return ret; + } } return 0; @@ -299,9 +413,41 @@ static int mvebu_uart_startup(struct uart_port *port) static void mvebu_uart_shutdown(struct uart_port *port) { - writel(0, port->membase + UART_CTRL); + struct mvebu_uart *mvuart = to_mvuart(port); + + writel(0, port->membase + UART_INTR(port)); + + if (!mvuart->irq[UART_TX_IRQ]) { + devm_free_irq(port->dev, mvuart->irq[UART_IRQ_SUM], port); + } else { + devm_free_irq(port->dev, mvuart->irq[UART_RX_IRQ], port); + devm_free_irq(port->dev, mvuart->irq[UART_TX_IRQ], port); + } +} + +static int mvebu_uart_baud_rate_set(struct uart_port *port, unsigned int baud) +{ + struct mvebu_uart *mvuart = to_mvuart(port); + unsigned int baud_rate_div; + u32 brdv; + + if (IS_ERR(mvuart->clk)) + return -PTR_ERR(mvuart->clk); + + /* + * The UART clock is divided by the value of the divisor to generate + * UCLK_OUT clock, which is 16 times faster than the baudrate. + * This prescaler can achieve all standard baudrates until 230400. + * Higher baudrates could be achieved for the extended UART by using the + * programmable oversampling stack (also called fractional divisor). + */ + baud_rate_div = DIV_ROUND_UP(port->uartclk, baud * 16); + brdv = readl(port->membase + UART_BRDV); + brdv &= ~BRDV_BAUD_MASK; + brdv |= baud_rate_div; + writel(brdv, port->membase + UART_BRDV); - free_irq(port->irq, port); + return 0; } static void mvebu_uart_set_termios(struct uart_port *port, @@ -313,8 +459,8 @@ static void mvebu_uart_set_termios(struct uart_port *port, spin_lock_irqsave(&port->lock, flags); - port->read_status_mask = STAT_RX_RDY | STAT_OVR_ERR | - STAT_TX_RDY | STAT_TX_FIFO_FUL; + port->read_status_mask = STAT_RX_RDY(port) | STAT_OVR_ERR | + STAT_TX_RDY(port) | STAT_TX_FIFO_FUL; if (termios->c_iflag & INPCK) port->read_status_mask |= STAT_FRM_ERR | STAT_PAR_ERR; @@ -325,13 +471,32 @@ static void mvebu_uart_set_termios(struct uart_port *port, STAT_FRM_ERR | STAT_PAR_ERR | STAT_OVR_ERR; if ((termios->c_cflag & CREAD) == 0) - port->ignore_status_mask |= STAT_RX_RDY | STAT_BRK_ERR; - - if (old) - tty_termios_copy_hw(termios, old); + port->ignore_status_mask |= STAT_RX_RDY(port) | STAT_BRK_ERR; + + /* + * Maximum achievable frequency with simple baudrate divisor is 230400. + * Since the error per bit frame would be of more than 15%, achieving + * higher frequencies would require to implement the fractional divisor + * feature. + */ + baud = uart_get_baud_rate(port, termios, old, 0, 230400); + if (mvebu_uart_baud_rate_set(port, baud)) { + /* No clock available, baudrate cannot be changed */ + if (old) + baud = uart_get_baud_rate(port, old, NULL, 0, 230400); + } else { + tty_termios_encode_baud_rate(termios, baud, baud); + uart_update_timeout(port, termios->c_cflag, baud); + } - baud = uart_get_baud_rate(port, termios, old, 0, 460800); - uart_update_timeout(port, termios->c_cflag, baud); + /* Only the following flag changes are supported */ + if (old) { + termios->c_iflag &= INPCK | IGNPAR; + termios->c_iflag |= old->c_iflag & ~(INPCK | IGNPAR); + termios->c_cflag &= CREAD | CBAUD; + termios->c_cflag |= old->c_cflag & ~(CREAD | CBAUD); + termios->c_lflag = old->c_lflag; + } spin_unlock_irqrestore(&port->lock, flags); } @@ -356,10 +521,10 @@ static int mvebu_uart_get_poll_char(struct uart_port *port) { unsigned int st = readl(port->membase + UART_STAT); - if (!(st & STAT_RX_RDY)) + if (!(st & STAT_RX_RDY(port))) return NO_POLL_CHAR; - return readl(port->membase + UART_RBR); + return readl(port->membase + UART_RBR(port)); } static void mvebu_uart_put_poll_char(struct uart_port *port, unsigned char c) @@ -375,7 +540,7 @@ static void mvebu_uart_put_poll_char(struct uart_port *port, unsigned char c) udelay(1); } - writel(c, port->membase + UART_TSH); + writel(c, port->membase + UART_TSH(port)); } #endif @@ -413,7 +578,8 @@ static void mvebu_uart_putc(struct uart_port *port, int c) break; } - writel(c, port->membase + UART_TSH); + /* At early stage, DT is not parsed yet, only use UART0 */ + writel(c, port->membase + UART_STD_TSH); for (;;) { st = readl(port->membase + UART_STAT); @@ -458,7 +624,7 @@ static void wait_for_xmitr(struct uart_port *port) static void mvebu_uart_console_putchar(struct uart_port *port, int ch) { wait_for_xmitr(port); - writel(ch, port->membase + UART_TSH); + writel(ch, port->membase + UART_TSH(port)); } static void mvebu_uart_console_write(struct console *co, const char *s, @@ -466,7 +632,7 @@ static void mvebu_uart_console_write(struct console *co, const char *s, { struct uart_port *port = &mvebu_uart_ports[co->index]; unsigned long flags; - unsigned int ier; + unsigned int ier, intr, ctl; int locked = 1; if (oops_in_progress) @@ -474,16 +640,23 @@ static void mvebu_uart_console_write(struct console *co, const char *s, else spin_lock_irqsave(&port->lock, flags); - ier = readl(port->membase + UART_CTRL) & - (CTRL_RX_INT | CTRL_TX_RDY_INT); - writel(0, port->membase + UART_CTRL); + ier = readl(port->membase + UART_CTRL(port)) & CTRL_BRK_INT; + intr = readl(port->membase + UART_INTR(port)) & + (CTRL_RX_RDY_INT(port) | CTRL_TX_RDY_INT(port)); + writel(0, port->membase + UART_CTRL(port)); + writel(0, port->membase + UART_INTR(port)); uart_console_write(port, s, count, mvebu_uart_console_putchar); wait_for_xmitr(port); if (ier) - writel(ier, port->membase + UART_CTRL); + writel(ier, port->membase + UART_CTRL(port)); + + if (intr) { + ctl = intr | readl(port->membase + UART_INTR(port)); + writel(ctl, port->membase + UART_INTR(port)); + } if (locked) spin_unlock_irqrestore(&port->lock, flags); @@ -538,7 +711,7 @@ console_initcall(mvebu_uart_console_init); static struct uart_driver mvebu_uart_driver = { .owner = THIS_MODULE, - .driver_name = "mvebu_serial", + .driver_name = DRIVER_NAME, .dev_name = "ttyMV", .nr = MVEBU_NR_UARTS, #ifdef CONFIG_SERIAL_MVEBU_CONSOLE @@ -546,20 +719,39 @@ static struct uart_driver mvebu_uart_driver = { #endif }; +static const struct of_device_id mvebu_uart_of_match[]; + +/* Counter to keep track of each UART port id when not using CONFIG_OF */ +static int uart_num_counter; + static int mvebu_uart_probe(struct platform_device *pdev) { struct resource *reg = platform_get_resource(pdev, IORESOURCE_MEM, 0); - struct resource *irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + const struct of_device_id *match = of_match_device(mvebu_uart_of_match, + &pdev->dev); struct uart_port *port; - struct mvebu_uart_data *data; - int ret; + struct mvebu_uart *mvuart; + int ret, id, irq; + + if (!reg) { + dev_err(&pdev->dev, "no registers defined\n"); + return -EINVAL; + } + + /* Assume that all UART ports have a DT alias or none has */ + id = of_alias_get_id(pdev->dev.of_node, "serial"); + if (!pdev->dev.of_node || id < 0) + pdev->id = uart_num_counter++; + else + pdev->id = id; - if (!reg || !irq) { - dev_err(&pdev->dev, "no registers/irq defined\n"); + if (pdev->id >= MVEBU_NR_UARTS) { + dev_err(&pdev->dev, "cannot have more than %d UART ports\n", + MVEBU_NR_UARTS); return -EINVAL; } - port = &mvebu_uart_ports[0]; + port = &mvebu_uart_ports[pdev->id]; spin_lock_init(&port->lock); @@ -571,9 +763,14 @@ static int mvebu_uart_probe(struct platform_device *pdev) port->fifosize = 32; port->iotype = UPIO_MEM32; port->flags = UPF_FIXED_PORT; - port->line = 0; /* single port: force line number to 0 */ - - port->irq = irq->start; + port->line = pdev->id; + + /* + * IRQ number is not stored in this structure because we may have two of + * them per port (RX and TX). Instead, use the driver UART structure + * array so called ->irq[]. + */ + port->irq = 0; port->irqflags = 0; port->mapbase = reg->start; @@ -581,15 +778,70 @@ static int mvebu_uart_probe(struct platform_device *pdev) if (IS_ERR(port->membase)) return -PTR_ERR(port->membase); - data = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_uart_data), - GFP_KERNEL); - if (!data) + mvuart = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_uart), + GFP_KERNEL); + if (!mvuart) return -ENOMEM; - data->port = port; + /* Get controller data depending on the compatible string */ + mvuart->data = (struct mvebu_uart_driver_data *)match->data; + mvuart->port = port; + + port->private_data = mvuart; + platform_set_drvdata(pdev, mvuart); + + /* Get fixed clock frequency */ + mvuart->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(mvuart->clk)) { + if (PTR_ERR(mvuart->clk) == -EPROBE_DEFER) + return PTR_ERR(mvuart->clk); + + if (IS_EXTENDED(port)) { + dev_err(&pdev->dev, "unable to get UART clock\n"); + return PTR_ERR(mvuart->clk); + } + } else { + if (!clk_prepare_enable(mvuart->clk)) + port->uartclk = clk_get_rate(mvuart->clk); + } + + /* Manage interrupts */ + if (platform_irq_count(pdev) == 1) { + /* Old bindings: no name on the single unamed UART0 IRQ */ + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "unable to get UART IRQ\n"); + return irq; + } + + mvuart->irq[UART_IRQ_SUM] = irq; + } else { + /* + * New bindings: named interrupts (RX, TX) for both UARTS, + * only make use of uart-rx and uart-tx interrupts, do not use + * uart-sum of UART0 port. + */ + irq = platform_get_irq_byname(pdev, "uart-rx"); + if (irq < 0) { + dev_err(&pdev->dev, "unable to get 'uart-rx' IRQ\n"); + return irq; + } + + mvuart->irq[UART_RX_IRQ] = irq; - port->private_data = data; - platform_set_drvdata(pdev, data); + irq = platform_get_irq_byname(pdev, "uart-tx"); + if (irq < 0) { + dev_err(&pdev->dev, "unable to get 'uart-tx' IRQ\n"); + return irq; + } + + mvuart->irq[UART_TX_IRQ] = irq; + } + + /* UART Soft Reset*/ + writel(CTRL_SOFT_RST, port->membase + UART_CTRL(port)); + udelay(1); + writel(0, port->membase + UART_CTRL(port)); ret = uart_add_one_port(&mvebu_uart_driver, port); if (ret) @@ -597,9 +849,40 @@ static int mvebu_uart_probe(struct platform_device *pdev) return 0; } +static struct mvebu_uart_driver_data uart_std_driver_data = { + .is_ext = false, + .regs.rbr = UART_STD_RBR, + .regs.tsh = UART_STD_TSH, + .regs.ctrl = UART_STD_CTRL1, + .regs.intr = UART_STD_CTRL2, + .flags.ctrl_tx_rdy_int = CTRL_STD_TX_RDY_INT, + .flags.ctrl_rx_rdy_int = CTRL_STD_RX_RDY_INT, + .flags.stat_tx_rdy = STAT_STD_TX_RDY, + .flags.stat_rx_rdy = STAT_STD_RX_RDY, +}; + +static struct mvebu_uart_driver_data uart_ext_driver_data = { + .is_ext = true, + .regs.rbr = UART_EXT_RBR, + .regs.tsh = UART_EXT_TSH, + .regs.ctrl = UART_EXT_CTRL1, + .regs.intr = UART_EXT_CTRL2, + .flags.ctrl_tx_rdy_int = CTRL_EXT_TX_RDY_INT, + .flags.ctrl_rx_rdy_int = CTRL_EXT_RX_RDY_INT, + .flags.stat_tx_rdy = STAT_EXT_TX_RDY, + .flags.stat_rx_rdy = STAT_EXT_RX_RDY, +}; + /* Match table for of_platform binding */ static const struct of_device_id mvebu_uart_of_match[] = { - { .compatible = "marvell,armada-3700-uart", }, + { + .compatible = "marvell,armada-3700-uart", + .data = (void *)&uart_std_driver_data, + }, + { + .compatible = "marvell,armada-3700-uart-ext", + .data = (void *)&uart_ext_driver_data, + }, {} }; diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index be94246b6fcc..efb4fd3784ed 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Application UART driver for: * Freescale STMP37XX/STMP378X @@ -9,10 +10,6 @@ * Provide Alphascale ASM9260 support. * Copyright 2008-2010 Freescale Semiconductor, Inc. * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: */ #if defined(CONFIG_SERIAL_MXS_AUART_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/netx-serial.c b/drivers/tty/serial/netx-serial.c index 207a0a032ed1..b3556863491f 100644 --- a/drivers/tty/serial/netx-serial.c +++ b/drivers/tty/serial/netx-serial.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #if defined(CONFIG_SERIAL_NETX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 7754053deeda..53d59e9b944a 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for OMAP-UART controller. * Based on drivers/serial/8250.c @@ -8,11 +9,6 @@ * Govindraj R <govindraj.raja@ti.com> * Thara Gopinath <thara@ti.com> * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Note: This driver is made separate from 8250 driver as we cannot * over load 8250 driver with omap platform specific configuration for * features like DMA, it makes easier to implement features like DMA and @@ -610,7 +606,7 @@ static irqreturn_t serial_omap_irq(int irq, void *dev_id) default: break; } - } while (!(iir & UART_IIR_NO_INT) && max_count--); + } while (max_count--); spin_unlock(&up->port.lock); @@ -693,7 +689,7 @@ static void serial_omap_set_mctrl(struct uart_port *port, unsigned int mctrl) if ((mctrl & TIOCM_RTS) && (port->status & UPSTAT_AUTORTS)) up->efr |= UART_EFR_RTS; else - up->efr &= UART_EFR_RTS; + up->efr &= ~UART_EFR_RTS; serial_out(up, UART_EFR, up->efr); serial_out(up, UART_LCR, lcr); @@ -1606,7 +1602,6 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up, struct device_node *np) { struct serial_rs485 *rs485conf = &up->port.rs485; - u32 rs485_delay[2]; enum of_gpio_flags flags; int ret; @@ -1637,17 +1632,7 @@ static int serial_omap_probe_rs485(struct uart_omap_port *up, up->rts_gpio = -EINVAL; } - if (of_property_read_u32_array(np, "rs485-rts-delay", - rs485_delay, 2) == 0) { - rs485conf->delay_rts_before_send = rs485_delay[0]; - rs485conf->delay_rts_after_send = rs485_delay[1]; - } - - if (of_property_read_bool(np, "rs485-rx-during-tx")) - rs485conf->flags |= SER_RS485_RX_DURING_TX; - - if (of_property_read_bool(np, "linux,rs485-enabled-at-boot-time")) - rs485conf->flags |= SER_RS485_ENABLED; + of_get_rs485_mode(np, rs485conf); return 0; } diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c index b9c859365334..29a6dc6a8d23 100644 --- a/drivers/tty/serial/owl-uart.c +++ b/drivers/tty/serial/owl-uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Actions Semi Owl family serial console * @@ -5,19 +6,6 @@ * Author: Actions Semi, Inc. * * Copyright (c) 2016-2017 Andreas Färber - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index d9123f995705..760d5dd0aada 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -1,18 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* *Copyright (C) 2011 LAPIS Semiconductor Co., Ltd. - * - *This program is free software; you can redistribute it and/or modify - *it under the terms of the GNU General Public License as published by - *the Free Software Foundation; version 2 of the License. - * - *This program is distributed in the hope that it will be useful, - *but WITHOUT ANY WARRANTY; without even the implied warranty of - *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - *GNU General Public License for more details. - * - *You should have received a copy of the GNU General Public License - *along with this program; if not, write to the Free Software - *Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #if defined(CONFIG_SERIAL_PCH_UART_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c index 00a33eb859d3..fd80d999308d 100644 --- a/drivers/tty/serial/pic32_uart.c +++ b/drivers/tty/serial/pic32_uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * PIC32 Integrated Serial Driver. * @@ -5,8 +6,6 @@ * * Authors: * Sorin-Andrei Pistirica <andrei.pistirica@microchip.com> - * - * Licensed under GPLv2 or later. */ #include <linux/kernel.h> diff --git a/drivers/tty/serial/pic32_uart.h b/drivers/tty/serial/pic32_uart.h index ec379da55ebb..2f2b56927dc6 100644 --- a/drivers/tty/serial/pic32_uart.h +++ b/drivers/tty/serial/pic32_uart.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * PIC32 Integrated Serial Driver. * @@ -5,8 +6,6 @@ * * Authors: * Sorin-Andrei Pistirica <andrei.pistirica@microchip.com> - * - * Licensed under GPLv2 or later. */ #ifndef __DT_PIC32_UART_H__ #define __DT_PIC32_UART_H__ diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c index 6ccdd018fb45..3d21790d961e 100644 --- a/drivers/tty/serial/pmac_zilog.c +++ b/drivers/tty/serial/pmac_zilog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for PowerMac Z85c30 based ESCC cell found in the * "macio" ASICs of various PowerMac models @@ -13,20 +14,6 @@ * and once done, I expect that driver to remain fairly stable in * the long term, unless we change the driver model again... * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * 2004-08-06 Harald Welte <laforge@gnumonks.org> * - Enable BREAK interrupt * - Add support for sysreq diff --git a/drivers/tty/serial/pmac_zilog.h b/drivers/tty/serial/pmac_zilog.h index 3483242ee3e0..bb874e76810e 100644 --- a/drivers/tty/serial/pmac_zilog.h +++ b/drivers/tty/serial/pmac_zilog.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PMAC_ZILOG_H__ #define __PMAC_ZILOG_H__ diff --git a/drivers/tty/serial/pnx8xxx_uart.c b/drivers/tty/serial/pnx8xxx_uart.c index dab2668d3879..f8812389b8a8 100644 --- a/drivers/tty/serial/pnx8xxx_uart.c +++ b/drivers/tty/serial/pnx8xxx_uart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * UART driver for PNX8XXX SoCs * @@ -7,11 +8,6 @@ * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of - * any kind, whether express or implied. - * */ #if defined(CONFIG_SERIAL_PNX8XXX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -666,9 +662,8 @@ static void __init pnx8xxx_init_ports(void) first = 0; for (i = 0; i < NR_PORTS; i++) { - init_timer(&pnx8xxx_ports[i].timer); - pnx8xxx_ports[i].timer.function = pnx8xxx_timeout; - pnx8xxx_ports[i].timer.data = (unsigned long)&pnx8xxx_ports[i]; + setup_timer(&pnx8xxx_ports[i].timer, pnx8xxx_timeout, + (unsigned long)&pnx8xxx_ports[i]); pnx8xxx_ports[i].port.ops = &pnx8xxx_pops; } } diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c index 905631df1f8b..baf552944d56 100644 --- a/drivers/tty/serial/pxa.c +++ b/drivers/tty/serial/pxa.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Based on drivers/serial/8250.c by Russell King. * @@ -5,11 +6,6 @@ * Created: Feb 20, 2003 * Copyright: (C) 2003 Monta Vista Software, Inc. * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * * Note 1: This driver is made separate from the already too overloaded * 8250.c because it needs some kirks of its own and that'll make it * easier to add DMA support. diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c index 056f91b3a4ca..520b43b23543 100644 --- a/drivers/tty/serial/rp2.c +++ b/drivers/tty/serial/rp2.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for Comtrol RocketPort EXPRESS/INFINITY cards * @@ -10,10 +11,6 @@ * * rocketport_infinity_express-linux-1.20.tar.gz * Copyright (C) 2004-2011 Comtrol, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ #include <linux/bitops.h> diff --git a/drivers/tty/serial/sa1100.c b/drivers/tty/serial/sa1100.c index fd3d1329d48c..4e3f169b30cf 100644 --- a/drivers/tty/serial/sa1100.c +++ b/drivers/tty/serial/sa1100.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for SA11x0 serial ports * * Based on drivers/char/serial.c, by Linus Torvalds, Theodore Ts'o. * * Copyright (C) 2000 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #if defined(CONFIG_SERIAL_SA1100_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -640,9 +627,8 @@ static void __init sa1100_init_ports(void) sa1100_ports[i].port.fifosize = 8; sa1100_ports[i].port.line = i; sa1100_ports[i].port.iotype = UPIO_MEM; - init_timer(&sa1100_ports[i].timer); - sa1100_ports[i].timer.function = sa1100_timeout; - sa1100_ports[i].timer.data = (unsigned long)&sa1100_ports[i]; + setup_timer(&sa1100_ports[i].timer, sa1100_timeout, + (unsigned long)&sa1100_ports[i]); } /* diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index 8aca18c4cdea..f9fecc5ed0ce 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver core for Samsung SoC onboard UARTs. * * Ben Dooks, Copyright (c) 2003-2008 Simtec Electronics * http://armlinux.simtec.co.uk/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ /* Hote on 2410 error handling diff --git a/drivers/tty/serial/samsung.h b/drivers/tty/serial/samsung.h index 965199b6c16f..f93022113f59 100644 --- a/drivers/tty/serial/samsung.h +++ b/drivers/tty/serial/samsung.h @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #ifndef __SAMSUNG_H #define __SAMSUNG_H @@ -6,10 +7,6 @@ * * Ben Dooks, Copyright (c) 2003-2008 Simtec Electronics * http://armlinux.simtec.co.uk/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/dmaengine.h> diff --git a/drivers/tty/serial/sb1250-duart.c b/drivers/tty/serial/sb1250-duart.c index 041625cc24bb..329aced26bd8 100644 --- a/drivers/tty/serial/sb1250-duart.c +++ b/drivers/tty/serial/sb1250-duart.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Support for the asynchronous serial interface (DUART) included * in the BCM1250 and derived System-On-a-Chip (SOC) devices. @@ -9,11 +10,6 @@ * * Copyright (c) 2000, 2001, 2002, 2003, 2004 Broadcom Corporation * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * * References: * * "BCM1250/BCM1125/BCM1125H User Manual", Broadcom Corporation diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index ca54ce074a5f..65792a3539d0 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * SC16IS7xx tty serial driver - Copyright (C) 2014 GridPoint * Author: Jon Ringle <jringle@gridpoint.com> * * Based on max310x.c, by Alexander Shiyan <shc_work@mail.ru> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt diff --git a/drivers/tty/serial/sccnxp.c b/drivers/tty/serial/sccnxp.c index b9c7a904c1ea..d6ae3086c2a2 100644 --- a/drivers/tty/serial/sccnxp.c +++ b/drivers/tty/serial/sccnxp.c @@ -1,14 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * NXP (Philips) SCC+++(SCN+++) serial driver * * Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru> * * Based on sc26xx.c, by Thomas Bogendörfer (tsbogend@alpha.franken.de) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. */ #if defined(CONFIG_SERIAL_SCCNXP_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) @@ -465,9 +461,9 @@ static void sccnxp_handle_events(struct sccnxp_port *s) } while (1); } -static void sccnxp_timer(unsigned long data) +static void sccnxp_timer(struct timer_list *t) { - struct sccnxp_port *s = (struct sccnxp_port *)data; + struct sccnxp_port *s = from_timer(s, t, timer); unsigned long flags; spin_lock_irqsave(&s->lock, flags); @@ -987,8 +983,7 @@ static int sccnxp_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Unable to reguest IRQ %i\n", s->irq); } else { - init_timer(&s->timer); - setup_timer(&s->timer, sccnxp_timer, (unsigned long)s); + timer_setup(&s->timer, sccnxp_timer, 0); mod_timer(&s->timer, jiffies + usecs_to_jiffies(s->pdata.poll_time_us)); return 0; diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c index cf9b736f26f8..af2a29cfbbe9 100644 --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * serial_tegra.c * @@ -6,18 +7,6 @@ * Copyright (c) 2012-2013, NVIDIA CORPORATION. All rights reserved. * * Author: Laxman Dewangan <ldewangan@nvidia.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/clk.h> diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 3a14cccbd7ff..854995e1cae7 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver core for serial ports * @@ -5,20 +6,6 @@ * * Copyright 1999 ARM Limited * Copyright (C) 2000-2001 Deep Blue Solutions Ltd. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/module.h> #include <linux/tty.h> @@ -1482,10 +1469,10 @@ out: static void uart_close(struct tty_struct *tty, struct file *filp) { struct uart_state *state = tty->driver_data; - struct tty_port *port; if (!state) { struct uart_driver *drv = tty->driver->driver_state; + struct tty_port *port; state = drv->state + tty->index; port = &state->port; @@ -1495,7 +1482,6 @@ static void uart_close(struct tty_struct *tty, struct file *filp) return; } - port = &state->port; pr_debug("uart_close(%d) called\n", tty->index); tty_port_close(tty->port, tty, filp); @@ -3026,5 +3012,41 @@ EXPORT_SYMBOL(uart_resume_port); EXPORT_SYMBOL(uart_add_one_port); EXPORT_SYMBOL(uart_remove_one_port); +/** + * of_get_rs485_mode() - Implement parsing rs485 properties + * @np: uart node + * @rs485conf: output parameter + * + * This function implements the device tree binding described in + * Documentation/devicetree/bindings/serial/rs485.txt. + */ +void of_get_rs485_mode(struct device_node *np, struct serial_rs485 *rs485conf) +{ + u32 rs485_delay[2]; + int ret; + + ret = of_property_read_u32_array(np, "rs485-rts-delay", rs485_delay, 2); + if (!ret) { + rs485conf->delay_rts_before_send = rs485_delay[0]; + rs485conf->delay_rts_after_send = rs485_delay[1]; + } else { + rs485conf->delay_rts_before_send = 0; + rs485conf->delay_rts_after_send = 0; + } + + /* + * clear full-duplex and enabled flags to get to a defined state with + * the two following properties. + */ + rs485conf->flags &= ~(SER_RS485_RX_DURING_TX | SER_RS485_ENABLED); + + if (of_property_read_bool(np, "rs485-rx-during-tx")) + rs485conf->flags |= SER_RS485_RX_DURING_TX; + + if (of_property_read_bool(np, "linux,rs485-enabled-at-boot-time")) + rs485conf->flags |= SER_RS485_ENABLED; +} +EXPORT_SYMBOL_GPL(of_get_rs485_mode); + MODULE_DESCRIPTION("Serial driver core"); MODULE_LICENSE("GPL"); diff --git a/drivers/tty/serial/serial_ks8695.c b/drivers/tty/serial/serial_ks8695.c index 57f152394af5..b461d791188c 100644 --- a/drivers/tty/serial/serial_ks8695.c +++ b/drivers/tty/serial/serial_ks8695.c @@ -1,15 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for KS8695 serial ports * * Based on drivers/serial/serial_amba.c, by Kam Lee. * * Copyright 2002-2005 Micrel Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <linux/module.h> #include <linux/tty.h> diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c index d2da6aa7f27d..1c06325beaca 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.c +++ b/drivers/tty/serial/serial_mctrl_gpio.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Helpers for controlling modem lines via GPIO * * Copyright (C) 2014 Paratronic S.A. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/err.h> diff --git a/drivers/tty/serial/serial_mctrl_gpio.h b/drivers/tty/serial/serial_mctrl_gpio.h index fa000bcff217..b7d3cca48ede 100644 --- a/drivers/tty/serial/serial_mctrl_gpio.h +++ b/drivers/tty/serial/serial_mctrl_gpio.h @@ -1,18 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Helpers for controlling modem lines via GPIO * * Copyright (C) 2014 Paratronic S.A. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * */ #ifndef __SERIAL_MCTRL_GPIO__ diff --git a/drivers/tty/serial/serial_txx9.c b/drivers/tty/serial/serial_txx9.c index f80fead6c5fc..1b4008d022bf 100644 --- a/drivers/tty/serial/serial_txx9.c +++ b/drivers/tty/serial/serial_txx9.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Derived from many drivers using generic_serial interface, * especially serial_tx3912.c by Steven J. Hill and r39xx_serial.c @@ -8,10 +9,6 @@ * Copyright (C) 2001 Steven J. Hill (sjhill@realitydiluted.com) * Copyright (C) 2000-2002 Toshiba Corporation * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * * Serial driver for TX3927/TX4927/TX4925/TX4938 internal SIO controller */ diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 784dd42002ea..31fcc7072a90 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * SuperH on-chip serial module support. (SCI with no FIFO / with FIFO) * @@ -13,10 +14,6 @@ * Modified to support SecureEdge. David McCullough (2002) * Modified to support SH7300 SCIF. Takashi Kusuda (Jun 2003). * Removed SH7300 support (Jul 2007). - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. */ #if defined(CONFIG_SERIAL_SH_SCI_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ @@ -40,6 +37,7 @@ #include <linux/module.h> #include <linux/mm.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/scatterlist.h> @@ -152,6 +150,7 @@ struct sci_port { int rx_trigger; struct timer_list rx_fifo_timer; int rx_fifo_timeout; + u16 hscif_tot; bool has_rtscts; bool autorts; @@ -1107,8 +1106,14 @@ static ssize_t rx_fifo_timeout_show(struct device *dev, { struct uart_port *port = dev_get_drvdata(dev); struct sci_port *sci = to_sci_port(port); + int v; + + if (port->type == PORT_HSCIF) + v = sci->hscif_tot >> HSSCR_TOT_SHIFT; + else + v = sci->rx_fifo_timeout; - return sprintf(buf, "%d\n", sci->rx_fifo_timeout); + return sprintf(buf, "%d\n", v); } static ssize_t rx_fifo_timeout_store(struct device *dev, @@ -1124,11 +1129,19 @@ static ssize_t rx_fifo_timeout_store(struct device *dev, ret = kstrtol(buf, 0, &r); if (ret) return ret; - sci->rx_fifo_timeout = r; - scif_set_rtrg(port, 1); - if (r > 0) - setup_timer(&sci->rx_fifo_timer, rx_fifo_timer_fn, - (unsigned long)sci); + + if (port->type == PORT_HSCIF) { + if (r < 0 || r > 3) + return -EINVAL; + sci->hscif_tot = r << HSSCR_TOT_SHIFT; + } else { + sci->rx_fifo_timeout = r; + scif_set_rtrg(port, 1); + if (r > 0) + setup_timer(&sci->rx_fifo_timer, rx_fifo_timer_fn, + (unsigned long)sci); + } + return count; } @@ -1210,8 +1223,11 @@ static void sci_rx_dma_release(struct sci_port *s, bool enable_pio) dma_free_coherent(chan->device->dev, s->buf_len_rx * 2, s->rx_buf[0], sg_dma_address(&s->sg_rx[0])); dma_release_channel(chan); - if (enable_pio) + if (enable_pio) { + spin_lock_irqsave(&port->lock, flags); sci_start_rx(port); + spin_unlock_irqrestore(&port->lock, flags); + } } static void sci_dma_rx_complete(void *arg) @@ -1278,8 +1294,11 @@ static void sci_tx_dma_release(struct sci_port *s, bool enable_pio) dma_unmap_single(chan->device->dev, s->tx_dma_addr, UART_XMIT_SIZE, DMA_TO_DEVICE); dma_release_channel(chan); - if (enable_pio) + if (enable_pio) { + spin_lock_irqsave(&port->lock, flags); sci_start_tx(port); + spin_unlock_irqrestore(&port->lock, flags); + } } static void sci_submit_rx(struct sci_port *s) @@ -1491,6 +1510,14 @@ static void sci_request_dma(struct uart_port *port) return; s->cookie_tx = -EINVAL; + + /* + * Don't request a dma channel if no channel was specified + * in the device tree. + */ + if (!of_find_property(port->dev->of_node, "dmas", NULL)) + return; + chan = sci_request_dma_chan(port, DMA_MEM_TO_DEV); dev_dbg(port->dev, "%s: TX: got channel %p\n", __func__, chan); if (chan) { @@ -1980,6 +2007,7 @@ static void sci_enable_ms(struct uart_port *port) static void sci_break_ctl(struct uart_port *port, int break_state) { unsigned short scscr, scsptr; + unsigned long flags; /* check wheter the port has SCSPTR */ if (!sci_getreg(port, SCSPTR)->size) { @@ -1990,6 +2018,7 @@ static void sci_break_ctl(struct uart_port *port, int break_state) return; } + spin_lock_irqsave(&port->lock, flags); scsptr = serial_port_in(port, SCSPTR); scscr = serial_port_in(port, SCSCR); @@ -2003,6 +2032,7 @@ static void sci_break_ctl(struct uart_port *port, int break_state) serial_port_out(port, SCSPTR, scsptr); serial_port_out(port, SCSCR, scscr); + spin_unlock_irqrestore(&port->lock, flags); } static int sci_startup(struct uart_port *port) @@ -2037,9 +2067,13 @@ static void sci_shutdown(struct uart_port *port) spin_lock_irqsave(&port->lock, flags); sci_stop_rx(port); sci_stop_tx(port); - /* Stop RX and TX, disable related interrupts, keep clock source */ + /* + * Stop RX and TX, disable related interrupts, keep clock source + * and HSCIF TOT bits + */ scr = serial_port_in(port, SCSCR); - serial_port_out(port, SCSCR, scr & (SCSCR_CKE1 | SCSCR_CKE0)); + serial_port_out(port, SCSCR, scr & + (SCSCR_CKE1 | SCSCR_CKE0 | s->hscif_tot)); spin_unlock_irqrestore(&port->lock, flags); #ifdef CONFIG_SERIAL_SH_SCI_DMA @@ -2186,7 +2220,7 @@ static void sci_reset(struct uart_port *port) unsigned int status; struct sci_port *s = to_sci_port(port); - serial_port_out(port, SCSCR, 0x00); /* TE=0, RE=0, CKE1=0 */ + serial_port_out(port, SCSCR, s->hscif_tot); /* TE=0, RE=0, CKE1=0 */ reg = sci_getreg(port, SCFCR); if (reg->size) @@ -2227,6 +2261,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios, int min_err = INT_MAX, err; unsigned long max_freq = 0; int best_clk = -1; + unsigned long flags; if ((termios->c_cflag & CSIZE) == CS7) smr_val |= SCSMR_CHR; @@ -2336,6 +2371,8 @@ done: serial_port_out(port, SCCKS, sccks); } + spin_lock_irqsave(&port->lock, flags); + sci_reset(port); uart_update_timeout(port, termios->c_cflag, baud); @@ -2353,10 +2390,7 @@ done: case 27: smr_val |= SCSMR_SRC_27; break; } smr_val |= cks; - dev_dbg(port->dev, - "SCR 0x%x SMR 0x%x BRR %u CKS 0x%x DL %u SRR %u\n", - scr_val, smr_val, brr, sccks, dl, srr); - serial_port_out(port, SCSCR, scr_val); + serial_port_out(port, SCSCR, scr_val | s->hscif_tot); serial_port_out(port, SCSMR, smr_val); serial_port_out(port, SCBRR, brr); if (sci_getreg(port, HSSRR)->size) @@ -2369,8 +2403,7 @@ done: scr_val = s->cfg->scscr & (SCSCR_CKE1 | SCSCR_CKE0); smr_val |= serial_port_in(port, SCSMR) & (SCSMR_CKEDG | SCSMR_SRC_MASK | SCSMR_CKS); - dev_dbg(port->dev, "SCR 0x%x SMR 0x%x\n", scr_val, smr_val); - serial_port_out(port, SCSCR, scr_val); + serial_port_out(port, SCSCR, scr_val | s->hscif_tot); serial_port_out(port, SCSMR, smr_val); } @@ -2406,8 +2439,7 @@ done: scr_val |= SCSCR_RE | SCSCR_TE | (s->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)); - dev_dbg(port->dev, "SCSCR 0x%x\n", scr_val); - serial_port_out(port, SCSCR, scr_val); + serial_port_out(port, SCSCR, scr_val | s->hscif_tot); if ((srr + 1 == 5) && (port->type == PORT_SCIFA || port->type == PORT_SCIFB)) { /* @@ -2453,8 +2485,6 @@ done: s->rx_frame = (100 * bits * HZ) / (baud / 10); #ifdef CONFIG_SERIAL_SH_SCI_DMA s->rx_timeout = DIV_ROUND_UP(s->buf_len_rx * 2 * s->rx_frame, 1000); - dev_dbg(port->dev, "DMA Rx t-out %ums, tty t-out %u jiffies\n", - s->rx_timeout * 1000 / HZ, port->timeout); if (s->rx_timeout < msecs_to_jiffies(20)) s->rx_timeout = msecs_to_jiffies(20); #endif @@ -2462,6 +2492,8 @@ done: if ((termios->c_cflag & CREAD) != 0) sci_start_rx(port); + spin_unlock_irqrestore(&port->lock, flags); + sci_port_disable(s); if (UART_ENABLE_MS(port, termios->c_cflag)) @@ -2773,6 +2805,7 @@ static int sci_init_single(struct platform_device *dev, } sci_port->rx_fifo_timeout = 0; + sci_port->hscif_tot = 0; /* SCIFA on sh7723 and sh7724 need a custom sampling rate that doesn't * match the SoC datasheet, this should be investigated. Let platform @@ -2860,7 +2893,7 @@ static void serial_console_write(struct console *co, const char *s, ctrl_temp = SCSCR_RE | SCSCR_TE | (sci_port->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)) | (ctrl & (SCSCR_CKE1 | SCSCR_CKE0)); - serial_port_out(port, SCSCR, ctrl_temp); + serial_port_out(port, SCSCR, ctrl_temp | sci_port->hscif_tot); uart_console_write(port, s, count, serial_console_putchar); @@ -2988,7 +3021,8 @@ static int sci_remove(struct platform_device *dev) sysfs_remove_file(&dev->dev.kobj, &dev_attr_rx_fifo_trigger.attr); } - if (port->port.type == PORT_SCIFA || port->port.type == PORT_SCIFB) { + if (port->port.type == PORT_SCIFA || port->port.type == PORT_SCIFB || + port->port.type == PORT_HSCIF) { sysfs_remove_file(&dev->dev.kobj, &dev_attr_rx_fifo_timeout.attr); } @@ -3044,17 +3078,15 @@ static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev, unsigned int *dev_id) { struct device_node *np = pdev->dev.of_node; - const struct of_device_id *match; struct plat_sci_port *p; struct sci_port *sp; + const void *data; int id; if (!IS_ENABLED(CONFIG_OF) || !np) return NULL; - match = of_match_node(of_sci_match, np); - if (!match) - return NULL; + data = of_device_get_match_data(&pdev->dev); p = devm_kzalloc(&pdev->dev, sizeof(struct plat_sci_port), GFP_KERNEL); if (!p) @@ -3070,8 +3102,8 @@ static struct plat_sci_port *sci_parse_dt(struct platform_device *pdev, sp = &sci_ports[id]; *dev_id = id; - p->type = SCI_OF_TYPE(match->data); - p->regtype = SCI_OF_REGTYPE(match->data); + p->type = SCI_OF_TYPE(data); + p->regtype = SCI_OF_REGTYPE(data); sp->has_rtscts = of_property_read_bool(np, "uart-has-rtscts"); @@ -3173,7 +3205,8 @@ static int sci_probe(struct platform_device *dev) if (ret) return ret; } - if (sp->port.type == PORT_SCIFA || sp->port.type == PORT_SCIFB) { + if (sp->port.type == PORT_SCIFA || sp->port.type == PORT_SCIFB || + sp->port.type == PORT_HSCIF) { ret = sysfs_create_file(&dev->dev.kobj, &dev_attr_rx_fifo_timeout.attr); if (ret) { @@ -3244,7 +3277,7 @@ early_platform_init_buffer("earlyprintk", &sci_driver, early_serial_buf, ARRAY_SIZE(early_serial_buf)); #endif #ifdef CONFIG_SERIAL_SH_SCI_EARLYCON -static struct __init plat_sci_port port_cfg; +static struct plat_sci_port port_cfg __initdata; static int __init early_console_setup(struct earlycon_device *device, int type) diff --git a/drivers/tty/serial/sh-sci.h b/drivers/tty/serial/sh-sci.h index 971b2ab088d8..a5f792fd48d9 100644 --- a/drivers/tty/serial/sh-sci.h +++ b/drivers/tty/serial/sh-sci.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/bitops.h> #include <linux/serial_core.h> #include <linux/io.h> @@ -62,6 +63,9 @@ enum { #define SCSCR_TDRQE BIT(15) /* Tx Data Transfer Request Enable */ #define SCSCR_RDRQE BIT(14) /* Rx Data Transfer Request Enable */ +/* Serial Control Register, HSCIF-only bits */ +#define HSSCR_TOT_SHIFT 14 + /* SCxSR (Serial Status Register) on SCI */ #define SCI_TDRE BIT(7) /* Transmit Data Register Empty */ #define SCI_RDRF BIT(6) /* Receive Data Register Full */ diff --git a/drivers/tty/serial/sirfsoc_uart.c b/drivers/tty/serial/sirfsoc_uart.c index 684cb8dd8050..9925b00a9777 100644 --- a/drivers/tty/serial/sirfsoc_uart.c +++ b/drivers/tty/serial/sirfsoc_uart.c @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for CSR SiRFprimaII onboard UARTs. * * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. - * - * Licensed under GPLv2 or later. */ #include <linux/module.h> diff --git a/drivers/tty/serial/sirfsoc_uart.h b/drivers/tty/serial/sirfsoc_uart.h index 43756bd9111c..004ca684d3ae 100644 --- a/drivers/tty/serial/sirfsoc_uart.h +++ b/drivers/tty/serial/sirfsoc_uart.h @@ -1,9 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Drivers for CSR SiRFprimaII onboard UARTs. * * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. - * - * Licensed under GPLv2 or later. */ #include <linux/bitops.h> #include <linux/log2.h> diff --git a/drivers/tty/serial/sn_console.c b/drivers/tty/serial/sn_console.c index 9e0e6586c698..ed78542c4c37 100644 --- a/drivers/tty/serial/sn_console.c +++ b/drivers/tty/serial/sn_console.c @@ -8,25 +8,6 @@ * * Copyright (c) 2004-2006 Silicon Graphics, Inc. All Rights Reserved. * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public - * License along with this program; if not, write the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - * * Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, * Mountain View, CA 94043, or: * @@ -687,9 +668,7 @@ static void __init sn_sal_switch_to_asynch(struct sn_cons_port *port) * timer to poll for input and push data from the console * buffer. */ - init_timer(&port->sc_timer); - port->sc_timer.function = sn_sal_timer_poll; - port->sc_timer.data = (unsigned long)port; + setup_timer(&port->sc_timer, sn_sal_timer_poll, (unsigned long)port); if (IS_RUNNING_ON_SIMULATOR()) port->sc_interrupt_timeout = 6; diff --git a/drivers/tty/serial/sprd_serial.c b/drivers/tty/serial/sprd_serial.c index e902494ebbd5..828f1143859c 100644 --- a/drivers/tty/serial/sprd_serial.c +++ b/drivers/tty/serial/sprd_serial.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2012-2015 Spreadtrum Communications Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #if defined(CONFIG_SERIAL_SPRD_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index b313a792b149..c763253514e9 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -1,13 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * st-asc.c: ST Asynchronous serial controller (ASC) driver * * Copyright (C) 2003-2013 STMicroelectronics (R&D) Limited - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #if defined(CONFIG_SERIAL_ST_ASC_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c index 03a583264d9e..0fa735b60f2d 100644 --- a/drivers/tty/serial/stm32-usart.c +++ b/drivers/tty/serial/stm32-usart.c @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) Maxime Coquelin 2015 * Copyright (C) STMicroelectronics SA 2017 * Authors: Maxime Coquelin <mcoquelin.stm32@gmail.com> * Gerald Baeza <gerald.baeza@st.com> - * License terms: GNU General Public License (GPL), version 2 * * Inspired by st-asc.c from STMicroelectronics (c) */ @@ -736,11 +736,8 @@ static struct stm32_port *stm32_of_get_stm32_port(struct platform_device *pdev) #ifdef CONFIG_OF static const struct of_device_id stm32_match[] = { - { .compatible = "st,stm32-usart", .data = &stm32f4_info}, { .compatible = "st,stm32-uart", .data = &stm32f4_info}, - { .compatible = "st,stm32f7-usart", .data = &stm32f7_info}, { .compatible = "st,stm32f7-uart", .data = &stm32f7_info}, - { .compatible = "st,stm32h7-usart", .data = &stm32h7_info}, { .compatible = "st,stm32h7-uart", .data = &stm32h7_info}, {}, }; diff --git a/drivers/tty/serial/stm32-usart.h b/drivers/tty/serial/stm32-usart.h index ffc0c5285e51..8a5ff54d0f42 100644 --- a/drivers/tty/serial/stm32-usart.h +++ b/drivers/tty/serial/stm32-usart.h @@ -1,9 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) Maxime Coquelin 2015 * Copyright (C) STMicroelectronics SA 2017 * Authors: Maxime Coquelin <mcoquelin.stm32@gmail.com> * Gerald Baeza <gerald_baeza@yahoo.fr> - * License terms: GNU General Public License (GPL), version 2 */ #define DRIVER_NAME "stm32-usart" diff --git a/drivers/tty/serial/suncore.c b/drivers/tty/serial/suncore.c index 127472bd6a7c..70a4ea4eaa6e 100644 --- a/drivers/tty/serial/suncore.c +++ b/drivers/tty/serial/suncore.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* suncore.c * * Common SUN serial routines. Based entirely diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index 46e46894e918..63e34d868de8 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sunhv.c: Serial driver for SUN4V hypervisor console. * * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index 653a076d89d3..b93d0225f8c9 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sunsab.c: ASYNC Driver for the SIEMENS SAB82532 DUSCC. * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) diff --git a/drivers/tty/serial/sunsab.h b/drivers/tty/serial/sunsab.h index b78e1f7b8050..1644031aacda 100644 --- a/drivers/tty/serial/sunsab.h +++ b/drivers/tty/serial/sunsab.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* sunsab.h: Register Definitions for the Siemens SAB82532 DUSCC * * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c index 95d34d7565c9..6cf3e9b0728f 100644 --- a/drivers/tty/serial/sunsu.c +++ b/drivers/tty/serial/sunsu.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * su.c: Small serial driver for keyboard/mouse interface on sparc32/PCI * diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index 252cea49c068..bc7af8b08a72 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sunzilog.c: Zilog serial driver for Sparc systems. * * Driver for Zilog serial chips found on Sun workstations and diff --git a/drivers/tty/serial/sunzilog.h b/drivers/tty/serial/sunzilog.h index 5dec7b47cc38..6d6764f0ac98 100644 --- a/drivers/tty/serial/sunzilog.h +++ b/drivers/tty/serial/sunzilog.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SUNZILOG_H #define _SUNZILOG_H diff --git a/drivers/tty/serial/tilegx.c b/drivers/tty/serial/tilegx.c index 453215f5420d..f0a3ae57f881 100644 --- a/drivers/tty/serial/tilegx.c +++ b/drivers/tty/serial/tilegx.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright 2013 Tilera Corporation. All Rights Reserved. * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, version 2. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or - * NON INFRINGEMENT. See the GNU General Public License for - * more details. - * * TILEGx UART driver. */ diff --git a/drivers/tty/serial/timbuart.c b/drivers/tty/serial/timbuart.c index 5da7fe40e391..19d38b504e27 100644 --- a/drivers/tty/serial/timbuart.c +++ b/drivers/tty/serial/timbuart.c @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * timbuart.c timberdale FPGA UART driver * Copyright (c) 2009 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Supports: diff --git a/drivers/tty/serial/timbuart.h b/drivers/tty/serial/timbuart.h index 7e566766bc43..fb00b172117d 100644 --- a/drivers/tty/serial/timbuart.h +++ b/drivers/tty/serial/timbuart.h @@ -1,19 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * timbuart.c timberdale FPGA GPIO driver * Copyright (c) 2009 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Supports: diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c index c9b8d702dadc..c47db7826189 100644 --- a/drivers/tty/serial/uartlite.c +++ b/drivers/tty/serial/uartlite.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * uartlite.c: Serial driver for Xilinx uartlite serial controller * * Copyright (C) 2006 Peter Korsgaard <jacmet@sunsite.dk> * Copyright (C) 2007 Secret Lab Technologies Ltd. - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. */ #include <linux/platform_device.h> @@ -739,7 +736,7 @@ static int __init ulite_init(void) err_plat: uart_unregister_driver(&ulite_uart_driver); err_uart: - pr_err("registering uartlite driver failed: err=%i", ret); + pr_err("registering uartlite driver failed: err=%i\n", ret); return ret; } diff --git a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c index 55b702775786..2b6376e6e5ad 100644 --- a/drivers/tty/serial/ucc_uart.c +++ b/drivers/tty/serial/ucc_uart.c @@ -1,12 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Freescale QUICC Engine UART device driver * * Author: Timur Tabi <timur@freescale.com> * - * Copyright 2007 Freescale Semiconductor, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * Copyright 2007 Freescale Semiconductor, Inc. * * This driver adds support for UART devices via Freescale's QUICC Engine * found on some Freescale SOCs. diff --git a/drivers/tty/serial/vr41xx_siu.c b/drivers/tty/serial/vr41xx_siu.c index 439057e8107a..6d106e33f842 100644 --- a/drivers/tty/serial/vr41xx_siu.c +++ b/drivers/tty/serial/vr41xx_siu.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Driver for NEC VR4100 series Serial Interface Unit. * * Copyright (C) 2004-2008 Yoichi Yuasa <yuasa@linux-mips.org> * * Based on drivers/serial/8250.c, by Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #if defined(CONFIG_SERIAL_VR41XX_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index 435a6f3260be..3d58e9b34553 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -1,18 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2010 Alexey Charkov <alchark@gmail.com> * * Based on msm_serial.c, which is: * Copyright (C) 2007 Google, Inc. * Author: Robert Love <rlove@google.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #if defined(CONFIG_SERIAL_VT8500_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 31a630ae0870..b9b2bc76bcac 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -1,14 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ /* * Cadence UART driver (found in Xilinx Zynq) * * 2011 - 2014 (C) Xilinx Inc. * - * This program is free software; you can redistribute it - * and/or modify it under the terms of the GNU General Public - * License as published by the Free Software Foundation; - * either version 2 of the License, or (at your option) any - * later version. - * * This driver has originally been pushed by Xilinx using a Zynq-branding. This * still shows in the naming of this file, the kconfig symbols and some symbols * in the code. @@ -1673,7 +1668,7 @@ static void __exit cdns_uart_exit(void) uart_unregister_driver(&cdns_uart_uart_driver); } -module_init(cdns_uart_init); +arch_initcall(cdns_uart_init); module_exit(cdns_uart_exit); MODULE_DESCRIPTION("Driver for Cadence UART"); diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c index d32bd499d684..b03d3e458ea2 100644 --- a/drivers/tty/serial/zs.c +++ b/drivers/tty/serial/zs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * zs.c: Serial port driver for IOASIC DECstations. * diff --git a/drivers/tty/serial/zs.h b/drivers/tty/serial/zs.h index aa921b57d827..26ef8eafa1c1 100644 --- a/drivers/tty/serial/zs.h +++ b/drivers/tty/serial/zs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * zs.h: Definitions for the DECstation Z85C30 serial driver. * diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c index 3be981101297..f2c34d656144 100644 --- a/drivers/tty/synclink.c +++ b/drivers/tty/synclink.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * $Id: synclink.c,v 4.38 2005/11/07 16:30:34 paulkf Exp $ * @@ -13,8 +14,6 @@ * * Original release 01/11/99 * - * This code is released under the GNU General Public License (GPL) - * * This driver is primarily intended for use in synchronous * HDLC mode. Asynchronous mode is also provided. * @@ -4098,8 +4097,7 @@ static int mgsl_claim_resources(struct mgsl_struct *info) if (request_dma(info->dma_level,info->device_name) < 0){ printk( "%s(%d):Can't request DMA channel on device %s DMA=%d\n", __FILE__,__LINE__,info->device_name, info->dma_level ); - mgsl_release_resources( info ); - return -ENODEV; + goto errout; } info->dma_requested = true; diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index 636b8ae29b46..06a03731bba7 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * Device driver for Microgate SyncLink GT serial adapters. * @@ -6,8 +7,6 @@ * * Microgate and SyncLink are trademarks of Microgate Corporation * - * This code is released under the GNU General Public License (GPL) - * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c index 4fed9e7b281f..d45f234e1914 100644 --- a/drivers/tty/synclinkmp.c +++ b/drivers/tty/synclinkmp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-1.0+ /* * $Id: synclinkmp.c,v 4.38 2005/07/15 13:29:44 paulkf Exp $ * @@ -10,7 +11,6 @@ * Microgate and SyncLink are trademarks of Microgate Corporation * * Derived from serial.c written by Theodore Ts'o and Linus Torvalds - * This code is released under the GNU General Public License (GPL) * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 3ffc1ce29023..b674793be478 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Linux Magic System Request Key Hacks * @@ -245,8 +246,10 @@ static void sysrq_handle_showallcpus(int key) * architecture has no support for it: */ if (!trigger_all_cpu_backtrace()) { - struct pt_regs *regs = get_irq_regs(); + struct pt_regs *regs = NULL; + if (in_irq()) + regs = get_irq_regs(); if (regs) { pr_info("CPU%d:\n", smp_processor_id()); show_regs(regs); @@ -265,7 +268,10 @@ static struct sysrq_key_op sysrq_showallcpus_op = { static void sysrq_handle_showregs(int key) { - struct pt_regs *regs = get_irq_regs(); + struct pt_regs *regs = NULL; + + if (in_irq()) + regs = get_irq_regs(); if (regs) show_regs(regs); perf_event_print_debug(); @@ -648,9 +654,9 @@ static void sysrq_parse_reset_sequence(struct sysrq_state *state) state->reset_seq_version = sysrq_reset_seq_version; } -static void sysrq_do_reset(unsigned long _state) +static void sysrq_do_reset(struct timer_list *t) { - struct sysrq_state *state = (struct sysrq_state *) _state; + struct sysrq_state *state = from_timer(state, t, keyreset_timer); state->reset_requested = true; @@ -667,7 +673,7 @@ static void sysrq_handle_reset_request(struct sysrq_state *state) mod_timer(&state->keyreset_timer, jiffies + msecs_to_jiffies(sysrq_reset_downtime_ms)); else - sysrq_do_reset((unsigned long)state); + sysrq_do_reset(&state->keyreset_timer); } static void sysrq_detect_reset_sequence(struct sysrq_state *state, @@ -903,8 +909,7 @@ static int sysrq_connect(struct input_handler *handler, sysrq->handle.handler = handler; sysrq->handle.name = "sysrq"; sysrq->handle.private = sysrq; - setup_timer(&sysrq->keyreset_timer, - sysrq_do_reset, (unsigned long)sysrq); + timer_setup(&sysrq->keyreset_timer, sysrq_do_reset, 0); error = input_register_handle(&sysrq->handle); if (error) { diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c index df2d735338e2..e30aa6bf9ff9 100644 --- a/drivers/tty/tty_audit.c +++ b/drivers/tty/tty_audit.c @@ -1,10 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Creating audit events from TTY input. * - * Copyright (C) 2007 Red Hat, Inc. All rights reserved. This copyrighted - * material is made available to anyone wishing to use, modify, copy, or - * redistribute it subject to the terms and conditions of the GNU General - * Public License v.2. + * Copyright (C) 2007 Red Hat, Inc. All rights reserved. * * Authors: Miloslav Trmac <mitr@redhat.com> */ diff --git a/drivers/tty/tty_baudrate.c b/drivers/tty/tty_baudrate.c index 5c33fd25676d..6ff8cdfc9d2a 100644 --- a/drivers/tty/tty_baudrate.c +++ b/drivers/tty/tty_baudrate.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds */ diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index f8eba1c5412f..c996b6859c5e 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Tty buffer allocation management */ @@ -446,7 +447,7 @@ EXPORT_SYMBOL_GPL(tty_prepare_flip_string); * Callers other than flush_to_ldisc() need to exclude the kworker * from concurrent use of the line discipline, see paste_selection(). * - * Returns the number of bytes not processed + * Returns the number of bytes processed */ int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, char *f, int count) diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 94cccb6efa32..dc60aeea87d8 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds */ diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c index efa96e6c4c1b..d9b561d89432 100644 --- a/drivers/tty/tty_ioctl.c +++ b/drivers/tty/tty_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds * diff --git a/drivers/tty/tty_jobctrl.c b/drivers/tty/tty_jobctrl.c index e7032309ee87..c4ecd66fafef 100644 --- a/drivers/tty/tty_jobctrl.c +++ b/drivers/tty/tty_jobctrl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds */ diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 84a8ac2a779f..24ec5c7e6b20 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/types.h> #include <linux/errno.h> #include <linux/kmod.h> diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c index 52b7baef4f7a..37a91b3df980 100644 --- a/drivers/tty/tty_ldsem.c +++ b/drivers/tty/tty_ldsem.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Ldisc rw semaphore * @@ -22,9 +23,6 @@ * Michel Lespinasse <walken@google.com>. * * Copyright (C) 2013 Peter Hurley <peter@hurleysoftware.com> - * - * This file may be redistributed under the terms of the GNU General Public - * License v2. */ #include <linux/list.h> diff --git a/drivers/tty/tty_mutex.c b/drivers/tty/tty_mutex.c index d8bae67a6174..2640635ee177 100644 --- a/drivers/tty/tty_mutex.c +++ b/drivers/tty/tty_mutex.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/tty.h> #include <linux/module.h> #include <linux/kallsyms.h> diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 6b137194069f..25d736880013 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Tty port functions */ @@ -78,7 +79,7 @@ EXPORT_SYMBOL(tty_port_init); * @driver: tty_driver for this device * @index: index of the tty * - * Provide the tty layer wit ha link from a tty (specified by @index) to a + * Provide the tty layer with a link from a tty (specified by @index) to a * tty_port (@port). Use this only if neither tty_port_register_device nor * tty_port_install is used in the driver. If used, this has to be called before * tty_register_driver. @@ -235,7 +236,7 @@ EXPORT_SYMBOL(tty_port_free_xmit_buf); /** * tty_port_destroy -- destroy inited port - * @port: tty port to be doestroyed + * @port: tty port to be destroyed * * When a port was initialized using tty_port_init, one has to destroy the * port by this function. Either indirectly by using tty_port refcounting diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c index ef01d24858cd..58b454c34560 100644 --- a/drivers/tty/vcc.c +++ b/drivers/tty/vcc.c @@ -361,17 +361,13 @@ done: return rv; } -static void vcc_rx_timer(unsigned long index) +static void vcc_rx_timer(struct timer_list *t) { + struct vcc_port *port = from_timer(port, t, rx_timer); struct vio_driver_state *vio; - struct vcc_port *port; unsigned long flags; int rv; - port = vcc_get_ne(index); - if (!port) - return; - spin_lock_irqsave(&port->lock, flags); port->rx_timer.expires = 0; @@ -391,18 +387,14 @@ done: vcc_put(port, false); } -static void vcc_tx_timer(unsigned long index) +static void vcc_tx_timer(struct timer_list *t) { - struct vcc_port *port; + struct vcc_port *port = from_timer(port, t, tx_timer); struct vio_vcc *pkt; unsigned long flags; int tosend = 0; int rv; - port = vcc_get_ne(index); - if (!port) - return; - spin_lock_irqsave(&port->lock, flags); port->tx_timer.expires = 0; @@ -645,13 +637,8 @@ static int vcc_probe(struct vio_dev *vdev, const struct vio_device_id *id) if (rv) goto free_domain; - init_timer(&port->rx_timer); - port->rx_timer.function = vcc_rx_timer; - port->rx_timer.data = port->index; - - init_timer(&port->tx_timer); - port->tx_timer.function = vcc_tx_timer; - port->tx_timer.data = port->index; + timer_setup(&port->rx_timer, vcc_rx_timer, 0); + timer_setup(&port->tx_timer, vcc_tx_timer, 0); dev_set_drvdata(&vdev->dev, port); diff --git a/drivers/tty/vt/Makefile b/drivers/tty/vt/Makefile index 17ae94cb29f8..edbbe0ccdb83 100644 --- a/drivers/tty/vt/Makefile +++ b/drivers/tty/vt/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # This file contains the font map for the default (hardware) font # diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c index a5f88cf0f61d..722a6690c70d 100644 --- a/drivers/tty/vt/consolemap.c +++ b/drivers/tty/vt/consolemap.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * consolemap.c * diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index f4166263bb3a..c8d90d7e7e37 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Written for linux by Johan Myreen as a translation from * the assembly version by Linus (with diacriticals added) @@ -250,7 +251,7 @@ static void kd_nosound(unsigned long ignored) input_handler_for_each_handle(&kbd_handler, &zero, kd_sound_helper); } -static DEFINE_TIMER(kd_mksound_timer, kd_nosound, 0, 0); +static DEFINE_TIMER(kd_mksound_timer, kd_nosound); void kd_mksound(unsigned int hz, unsigned int ticks) { diff --git a/drivers/tty/vt/selection.c b/drivers/tty/vt/selection.c index accbd1257bc4..7a4c8022c023 100644 --- a/drivers/tty/vt/selection.c +++ b/drivers/tty/vt/selection.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * This module exports the functions: * diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c index 56dcff6059d3..85b6634f518a 100644 --- a/drivers/tty/vt/vc_screen.c +++ b/drivers/tty/vt/vc_screen.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Provide access to virtual console memory. * /dev/vcs0: the screen as it is being viewed right now (possibly scrolled) diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 2ebaba16f785..bce4c71cb338 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1991, 1992 Linus Torvalds */ @@ -102,6 +103,7 @@ #include <linux/uaccess.h> #include <linux/kdb.h> #include <linux/ctype.h> +#include <linux/bsearch.h> #define MAX_NR_CON_DRIVER 16 @@ -228,7 +230,7 @@ static int scrollback_delta; */ int (*console_blank_hook)(int); -static DEFINE_TIMER(console_timer, blank_screen_t, 0, 0); +static DEFINE_TIMER(console_timer, blank_screen_t); static int blank_state; static int blank_timer_expired; enum { @@ -2142,22 +2144,15 @@ struct interval { uint32_t last; }; -static int bisearch(uint32_t ucs, const struct interval *table, int max) +static int ucs_cmp(const void *key, const void *elt) { - int min = 0; - int mid; + uint32_t ucs = *(uint32_t *)key; + struct interval e = *(struct interval *) elt; - if (ucs < table[0].first || ucs > table[max].last) - return 0; - while (max >= min) { - mid = (min + max) / 2; - if (ucs > table[mid].last) - min = mid + 1; - else if (ucs < table[mid].first) - max = mid - 1; - else - return 1; - } + if (ucs > e.last) + return 1; + else if (ucs < e.first) + return -1; return 0; } @@ -2169,7 +2164,12 @@ static int is_double_width(uint32_t ucs) { 0xFE10, 0xFE19 }, { 0xFE30, 0xFE6F }, { 0xFF00, 0xFF60 }, { 0xFFE0, 0xFFE6 }, { 0x20000, 0x2FFFD }, { 0x30000, 0x3FFFD } }; - return bisearch(ucs, double_width, ARRAY_SIZE(double_width) - 1); + if (ucs < double_width[0].first || + ucs > double_width[ARRAY_SIZE(double_width) - 1].last) + return 0; + + return bsearch(&ucs, double_width, ARRAY_SIZE(double_width), + sizeof(struct interval), ucs_cmp) != NULL; } static void con_flush(struct vc_data *vc, unsigned long draw_from, @@ -2205,7 +2205,7 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co console_lock(); vc = tty->driver_data; if (vc == NULL) { - printk(KERN_ERR "vt: argh, driver_data is NULL !\n"); + pr_err("vt: argh, driver_data is NULL !\n"); console_unlock(); return 0; } @@ -3190,20 +3190,21 @@ static int do_bind_con_driver(const struct consw *csw, int first, int last, pr_info("Console: switching "); if (!deflt) - printk(KERN_CONT "consoles %d-%d ", first+1, last+1); + pr_cont("consoles %d-%d ", first + 1, last + 1); if (j >= 0) { struct vc_data *vc = vc_cons[j].d; - printk(KERN_CONT "to %s %s %dx%d\n", - vc->vc_can_do_color ? "colour" : "mono", - desc, vc->vc_cols, vc->vc_rows); + pr_cont("to %s %s %dx%d\n", + vc->vc_can_do_color ? "colour" : "mono", + desc, vc->vc_cols, vc->vc_rows); if (k >= 0) { vc = vc_cons[k].d; update_screen(vc); } - } else - printk(KERN_CONT "to %s\n", desc); + } else { + pr_cont("to %s\n", desc); + } retval = 0; err: @@ -3622,9 +3623,8 @@ static int do_register_con_driver(const struct consw *csw, int first, int last) con_driver, con_dev_groups, "vtcon%i", con_driver->node); if (IS_ERR(con_driver->dev)) { - printk(KERN_WARNING "Unable to create device for %s; " - "errno = %ld\n", con_driver->desc, - PTR_ERR(con_driver->dev)); + pr_warn("Unable to create device for %s; errno = %ld\n", + con_driver->desc, PTR_ERR(con_driver->dev)); con_driver->dev = NULL; } else { vtconsole_init_device(con_driver); @@ -3761,8 +3761,8 @@ static int __init vtconsole_class_init(void) vtconsole_class = class_create(THIS_MODULE, "vtconsole"); if (IS_ERR(vtconsole_class)) { - printk(KERN_WARNING "Unable to create vt console class; " - "errno = %ld\n", PTR_ERR(vtconsole_class)); + pr_warn("Unable to create vt console class; errno = %ld\n", + PTR_ERR(vtconsole_class)); vtconsole_class = NULL; } @@ -3778,9 +3778,8 @@ static int __init vtconsole_class_init(void) "vtcon%i", con->node); if (IS_ERR(con->dev)) { - printk(KERN_WARNING "Unable to create " - "device for %s; errno = %ld\n", - con->desc, PTR_ERR(con->dev)); + pr_warn("Unable to create device for %s; errno = %ld\n", + con->desc, PTR_ERR(con->dev)); con->dev = NULL; } else { vtconsole_init_device(con); @@ -4121,37 +4120,45 @@ static int con_font_set(struct vc_data *vc, struct console_font_op *op) return -EINVAL; if (op->charcount > 512) return -EINVAL; + if (op->width <= 0 || op->width > 32 || op->height > 32) + return -EINVAL; + size = (op->width+7)/8 * 32 * op->charcount; + if (size > max_font_size) + return -ENOSPC; + + font.data = memdup_user(op->data, size); + if (IS_ERR(font.data)) + return PTR_ERR(font.data); + if (!op->height) { /* Need to guess font height [compat] */ int h, i; - u8 __user *charmap = op->data; - u8 tmp; - - /* If from KDFONTOP ioctl, don't allow things which can be done in userland, - so that we can get rid of this soon */ - if (!(op->flags & KD_FONT_FLAG_OLD)) + u8 *charmap = font.data; + + /* + * If from KDFONTOP ioctl, don't allow things which can be done + * in userland,so that we can get rid of this soon + */ + if (!(op->flags & KD_FONT_FLAG_OLD)) { + kfree(font.data); return -EINVAL; + } + for (h = 32; h > 0; h--) - for (i = 0; i < op->charcount; i++) { - if (get_user(tmp, &charmap[32*i+h-1])) - return -EFAULT; - if (tmp) + for (i = 0; i < op->charcount; i++) + if (charmap[32*i+h-1]) goto nonzero; - } + + kfree(font.data); return -EINVAL; + nonzero: op->height = h; } - if (op->width <= 0 || op->width > 32 || op->height > 32) - return -EINVAL; - size = (op->width+7)/8 * 32 * op->charcount; - if (size > max_font_size) - return -ENOSPC; + font.charcount = op->charcount; - font.height = op->height; font.width = op->width; - font.data = memdup_user(op->data, size); - if (IS_ERR(font.data)) - return PTR_ERR(font.data); + font.height = op->height; + console_lock(); if (vc->vc_mode != KD_TEXT) rc = -EINVAL; diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c index 96d389cb506c..2d2b420598b2 100644 --- a/drivers/tty/vt/vt_ioctl.c +++ b/drivers/tty/vt/vt_ioctl.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 1992 obz under the linux copyright * diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile index e9663bb8a4c7..c285dd2a4539 100644 --- a/drivers/uio/Makefile +++ b/drivers/uio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_UIO) += uio.o obj-$(CONFIG_UIO_CIF) += uio_cif.o obj-$(CONFIG_UIO_PDRV_GENIRQ) += uio_pdrv_genirq.o diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 9650b351c26c..060643a1b5c8 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the kernel USB device drivers. # diff --git a/drivers/usb/atm/Makefile b/drivers/usb/atm/Makefile index ac278946b06c..7ac65ce1aa8a 100644 --- a/drivers/usb/atm/Makefile +++ b/drivers/usb/atm/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB ATM/xDSL drivers # diff --git a/drivers/usb/chipidea/Makefile b/drivers/usb/chipidea/Makefile index ddcbddf8361a..e3d5e728fa53 100644 --- a/drivers/usb/chipidea/Makefile +++ b/drivers/usb/chipidea/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_USB_CHIPIDEA) += ci_hdrc.o ci_hdrc-y := core.o otg.o debug.o diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 1c31e8a08810..c9e1a165ed82 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/kernel.h> #include <linux/device.h> #include <linux/types.h> diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h index 0f12f131bdd3..70112cf0f195 100644 --- a/drivers/usb/chipidea/host.h +++ b/drivers/usb/chipidea/host.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRIVERS_USB_CHIPIDEA_HOST_H #define __DRIVERS_USB_CHIPIDEA_HOST_H diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index 7a2b3deafc90..eacc116e83da 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * Includes for cdc-acm.c diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 80529ac4b083..6c181a625daf 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -484,7 +484,7 @@ static ssize_t wdm_read if (rv < 0) return -ERESTARTSYS; - cntr = ACCESS_ONCE(desc->length); + cntr = READ_ONCE(desc->length); if (cntr == 0) { desc->read = 0; retry: diff --git a/drivers/usb/common/Makefile b/drivers/usb/common/Makefile index 6bbb3ec17018..0a7c45e85481 100644 --- a/drivers/usb/common/Makefile +++ b/drivers/usb/common/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the usb common parts. # diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile index 250ec1d662d9..92c9cefb4317 100644 --- a/drivers/usb/core/Makefile +++ b/drivers/usb/core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB Core files and filesystem # diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 2edb4e7b2ab8..705c573d0257 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -137,7 +137,7 @@ static int usbfs_increase_memory_usage(u64 amount) { u64 lim; - lim = ACCESS_ONCE(usbfs_memory_mb); + lim = READ_ONCE(usbfs_memory_mb); lim <<= 20; atomic64_add(amount, &usbfs_memory_usage); diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 3f1222ed98f8..27bb34043053 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -974,7 +974,7 @@ static ssize_t interface_show(struct device *dev, struct device_attribute *attr, char *string; intf = to_usb_interface(dev); - string = ACCESS_ONCE(intf->cur_altsetting->string); + string = READ_ONCE(intf->cur_altsetting->string); if (!string) return 0; return sprintf(buf, "%s\n", string); @@ -990,7 +990,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, intf = to_usb_interface(dev); udev = interface_to_usbdev(intf); - alt = ACCESS_ONCE(intf->cur_altsetting); + alt = READ_ONCE(intf->cur_altsetting); return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02X" "ic%02Xisc%02Xip%02Xin%02X\n", diff --git a/drivers/usb/dwc2/Makefile b/drivers/usb/dwc2/Makefile index b9237e1e45d0..440320cc20a4 100644 --- a/drivers/usb/dwc2/Makefile +++ b/drivers/usb/dwc2/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_USB_DWC2_DEBUG) += -DDEBUG ccflags-$(CONFIG_USB_DWC2_VERBOSE) += -DVERBOSE_DEBUG diff --git a/drivers/usb/dwc3/Makefile b/drivers/usb/dwc3/Makefile index f15fabbd1e59..7ac725038f8d 100644 --- a/drivers/usb/dwc3/Makefile +++ b/drivers/usb/dwc3/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # define_trace.h needs to know how to find our header CFLAGS_trace.o := -I$(src) diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile index 598a67d6ba05..130dad7130b6 100644 --- a/drivers/usb/gadget/Makefile +++ b/drivers/usb/gadget/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # USB peripheral controller drivers # diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h index 540d5e92ed22..3b6f5298b2e8 100644 --- a/drivers/usb/gadget/configfs.h +++ b/drivers/usb/gadget/configfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef USB__GADGET__CONFIGFS__H #define USB__GADGET__CONFIGFS__H diff --git a/drivers/usb/gadget/function/Makefile b/drivers/usb/gadget/function/Makefile index 86e825269947..5d3a6cf02218 100644 --- a/drivers/usb/gadget/function/Makefile +++ b/drivers/usb/gadget/function/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # USB peripheral controller drivers # diff --git a/drivers/usb/gadget/function/f_mass_storage.h b/drivers/usb/gadget/function/f_mass_storage.h index dc05ca0c4359..58857fcf199f 100644 --- a/drivers/usb/gadget/function/f_mass_storage.h +++ b/drivers/usb/gadget/function/f_mass_storage.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef USB_F_MASS_STORAGE_H #define USB_F_MASS_STORAGE_H diff --git a/drivers/usb/gadget/function/g_zero.h b/drivers/usb/gadget/function/g_zero.h index 492924d0d599..98b8462ad538 100644 --- a/drivers/usb/gadget/function/g_zero.h +++ b/drivers/usb/gadget/function/g_zero.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * This header declares the utility functions used by "Gadget Zero", plus * interfaces to its two single-configuration function drivers. diff --git a/drivers/usb/gadget/function/storage_common.h b/drivers/usb/gadget/function/storage_common.h index e0814a960132..e5e3a2553aaa 100644 --- a/drivers/usb/gadget/function/storage_common.h +++ b/drivers/usb/gadget/function/storage_common.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef USB_STORAGE_COMMON_H #define USB_STORAGE_COMMON_H diff --git a/drivers/usb/gadget/function/tcm.h b/drivers/usb/gadget/function/tcm.h index a27e6e34db0b..3cd565794ad7 100644 --- a/drivers/usb/gadget/function/tcm.h +++ b/drivers/usb/gadget/function/tcm.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __TARGET_USB_GADGET_H__ #define __TARGET_USB_GADGET_H__ diff --git a/drivers/usb/gadget/function/uvc_queue.h b/drivers/usb/gadget/function/uvc_queue.h index ac461a9a1a70..51ee94e5cf2b 100644 --- a/drivers/usb/gadget/function/uvc_queue.h +++ b/drivers/usb/gadget/function/uvc_queue.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _UVC_QUEUE_H_ #define _UVC_QUEUE_H_ diff --git a/drivers/usb/gadget/legacy/Makefile b/drivers/usb/gadget/legacy/Makefile index 7f485f25705e..abd0c3e66a05 100644 --- a/drivers/usb/gadget/legacy/Makefile +++ b/drivers/usb/gadget/legacy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # USB gadget drivers # diff --git a/drivers/usb/gadget/udc/Makefile b/drivers/usb/gadget/udc/Makefile index ea9e1c7f1923..ce865b129fd6 100644 --- a/drivers/usb/gadget/udc/Makefile +++ b/drivers/usb/gadget/udc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # define_trace.h needs to know how to find our header CFLAGS_trace.o := -I$(src) diff --git a/drivers/usb/gadget/udc/bdc/Makefile b/drivers/usb/gadget/udc/bdc/Makefile index 5cf6a3bcdf0f..52cb5ea48bbe 100644 --- a/drivers/usb/gadget/udc/bdc/Makefile +++ b/drivers/usb/gadget/udc/bdc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_USB_BDC_UDC) += bdc.o bdc-y := bdc_core.o bdc_cmd.o bdc_ep.o bdc_udc.o diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index a5d205e07b88..b3fb1bbdb854 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -1257,7 +1257,7 @@ static int gr_handle_in_ep(struct gr_ep *ep) if (!req->last_desc) return 0; - if (ACCESS_ONCE(req->last_desc->ctrl) & GR_DESC_IN_CTRL_EN) + if (READ_ONCE(req->last_desc->ctrl) & GR_DESC_IN_CTRL_EN) return 0; /* Not put in hardware buffers yet */ if (gr_read32(&ep->regs->epstat) & (GR_EPSTAT_B1 | GR_EPSTAT_B0)) @@ -1286,7 +1286,7 @@ static int gr_handle_out_ep(struct gr_ep *ep) if (!req->curr_desc) return 0; - ctrl = ACCESS_ONCE(req->curr_desc->ctrl); + ctrl = READ_ONCE(req->curr_desc->ctrl); if (ctrl & GR_DESC_OUT_CTRL_EN) return 0; /* Not received yet */ diff --git a/drivers/usb/gadget/udc/omap_udc.h b/drivers/usb/gadget/udc/omap_udc.h index 26974196cf44..00f9e608e755 100644 --- a/drivers/usb/gadget/udc/omap_udc.h +++ b/drivers/usb/gadget/udc/omap_udc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * omap_udc.h -- for omap 3.2 udc, with OTG support * diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 4e1e29424397..32b036e2ffef 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for USB Host Controller Drivers # diff --git a/drivers/usb/host/fotg210.h b/drivers/usb/host/fotg210.h index b5cfa7aeb277..7fcd785c7bc8 100644 --- a/drivers/usb/host/fotg210.h +++ b/drivers/usb/host/fotg210.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_FOTG210_H #define __LINUX_FOTG210_H diff --git a/drivers/usb/host/isp116x.h b/drivers/usb/host/isp116x.h index dd34b7a33965..a5e929c10d53 100644 --- a/drivers/usb/host/isp116x.h +++ b/drivers/usb/host/isp116x.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ISP116x register declarations and HCD data structures * diff --git a/drivers/usb/host/isp1362.h b/drivers/usb/host/isp1362.h index 3b0b4847c3a9..da79e36ced89 100644 --- a/drivers/usb/host/isp1362.h +++ b/drivers/usb/host/isp1362.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ISP1362 HCD (Host Controller Driver) for USB. * diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 9902bc3c15fe..10887e09e9bc 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -786,7 +786,7 @@ static void io_watchdog_func(unsigned long _ohci) } /* find the last TD processed by the controller. */ - head = hc32_to_cpu(ohci, ACCESS_ONCE(ed->hwHeadP)) & TD_MASK; + head = hc32_to_cpu(ohci, READ_ONCE(ed->hwHeadP)) & TD_MASK; td_start = td; td_next = list_prepare_entry(td, &ed->td_list, td_list); list_for_each_entry_continue(td_next, &ed->td_list, td_list) { diff --git a/drivers/usb/host/oxu210hp.h b/drivers/usb/host/oxu210hp.h index 1c216ad9aad2..437044147862 100644 --- a/drivers/usb/host/oxu210hp.h +++ b/drivers/usb/host/oxu210hp.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Host interface registers */ diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h index 5582cbafecd4..b68dcb5dd0fd 100644 --- a/drivers/usb/host/pci-quirks.h +++ b/drivers/usb/host/pci-quirks.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_USB_PCI_QUIRKS_H #define __LINUX_USB_PCI_QUIRKS_H diff --git a/drivers/usb/host/sl811.h b/drivers/usb/host/sl811.h index 1e23ef49bec1..2abe51a5db44 100644 --- a/drivers/usb/host/sl811.h +++ b/drivers/usb/host/sl811.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * SL811HS register declarations and HCD data structures * diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index 9c6635d43db0..c4e67c4b51f6 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * UHCI-specific debugging code. Invaluable when something * goes wrong, but don't get in my face. diff --git a/drivers/usb/host/uhci-grlib.c b/drivers/usb/host/uhci-grlib.c index 0342991c9507..2103b1ed0f8f 100644 --- a/drivers/usb/host/uhci-grlib.c +++ b/drivers/usb/host/uhci-grlib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * UHCI HCD (Host Controller Driver) for GRLIB GRUSBHC * diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 91b22b2ea3aa..f1cc47292a59 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_UHCI_HCD_H #define __LINUX_UHCI_HCD_H @@ -186,7 +187,7 @@ struct uhci_qh { * We need a special accessor for the element pointer because it is * subject to asynchronous updates by the controller. */ -#define qh_element(qh) ACCESS_ONCE((qh)->element) +#define qh_element(qh) READ_ONCE((qh)->element) #define LINK_TO_QH(uhci, qh) (UHCI_PTR_QH((uhci)) | \ cpu_to_hc32((uhci), (qh)->dma_handle)) @@ -274,7 +275,7 @@ struct uhci_td { * subject to asynchronous updates by the controller. */ #define td_status(uhci, td) hc32_to_cpu((uhci), \ - ACCESS_ONCE((td)->status)) + READ_ONCE((td)->status)) #define LINK_TO_TD(uhci, td) (cpu_to_hc32((uhci), (td)->dma_handle)) diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index ece9e37e89fe..47106dd8ca7c 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Universal Host Controller Interface driver for USB. * diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c index 49effdc0d857..0dd944277c99 100644 --- a/drivers/usb/host/uhci-pci.c +++ b/drivers/usb/host/uhci-pci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * UHCI HCD (Host Controller Driver) PCI Bus Glue. * diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c index 1b4e086c33a0..6cb16d4b2257 100644 --- a/drivers/usb/host/uhci-platform.c +++ b/drivers/usb/host/uhci-platform.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generic UHCI HCD (Host Controller Driver) for Platform Devices * diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index c17ea1589b83..49d4edc03cc2 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Universal Host Controller Interface driver for USB. * diff --git a/drivers/usb/image/microtek.h b/drivers/usb/image/microtek.h index 7e32ae787136..66685e59241a 100644 --- a/drivers/usb/image/microtek.h +++ b/drivers/usb/image/microtek.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Driver for Microtek Scanmaker X6 USB scanner and possibly others. * diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c index 2b67eb889d41..42672d6ec525 100644 --- a/drivers/usb/isp1760/isp1760-hcd.c +++ b/drivers/usb/isp1760/isp1760-hcd.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Driver for the NXP ISP1760 chip * diff --git a/drivers/usb/isp1760/isp1760-hcd.h b/drivers/usb/isp1760/isp1760-hcd.h index 0c1c98d6ea08..f1bb2deb1ccf 100644 --- a/drivers/usb/isp1760/isp1760-hcd.h +++ b/drivers/usb/isp1760/isp1760-hcd.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ISP1760_HCD_H_ #define _ISP1760_HCD_H_ diff --git a/drivers/usb/isp1760/isp1760-if.c b/drivers/usb/isp1760/isp1760-if.c index bc68bbab7fa1..241a00d75027 100644 --- a/drivers/usb/isp1760/isp1760-if.c +++ b/drivers/usb/isp1760/isp1760-if.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Glue code for the ISP1760 driver and bus * Currently there is support for diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile index 7fdb45fc976f..109f54f5b9aa 100644 --- a/drivers/usb/misc/Makefile +++ b/drivers/usb/misc/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the rest of the USB drivers # (the ones that don't fit into any other categories) diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 203f29894bce..aedc9a7f149e 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -577,11 +577,16 @@ alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) return sg; } -static void sg_timeout(unsigned long _req) +struct sg_timeout { + struct timer_list timer; + struct usb_sg_request *req; +}; + +static void sg_timeout(struct timer_list *t) { - struct usb_sg_request *req = (struct usb_sg_request *) _req; + struct sg_timeout *timeout = from_timer(timeout, t, timer); - usb_sg_cancel(req); + usb_sg_cancel(timeout->req); } static int perform_sglist( @@ -595,9 +600,11 @@ static int perform_sglist( { struct usb_device *udev = testdev_to_usbdev(tdev); int retval = 0; - struct timer_list sg_timer; + struct sg_timeout timeout = { + .req = req, + }; - setup_timer_on_stack(&sg_timer, sg_timeout, (unsigned long) req); + timer_setup_on_stack(&timeout.timer, sg_timeout, 0); while (retval == 0 && iterations-- > 0) { retval = usb_sg_init(req, udev, pipe, @@ -608,13 +615,14 @@ static int perform_sglist( if (retval) break; - mod_timer(&sg_timer, jiffies + + mod_timer(&timeout.timer, jiffies + msecs_to_jiffies(SIMPLE_IO_TIMEOUT)); usb_sg_wait(req); - if (!del_timer_sync(&sg_timer)) + if (!del_timer_sync(&timeout.timer)) retval = -ETIMEDOUT; else retval = req->status; + destroy_timer_on_stack(&timeout.timer); /* FIXME check resulting data pattern */ diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index b6d8bf475c92..f6ae753ab99b 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * The USB Monitor, inspired by Dave Harding's USBMon. * diff --git a/drivers/usb/mon/mon_stat.c b/drivers/usb/mon/mon_stat.c index 5bdf73a57498..98ab0cc473d6 100644 --- a/drivers/usb/mon/mon_stat.c +++ b/drivers/usb/mon/mon_stat.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * The USB Monitor, inspired by Dave Harding's USBMon. * diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c index 19c416d69eb9..f5e1bb5e5217 100644 --- a/drivers/usb/mon/mon_text.c +++ b/drivers/usb/mon/mon_text.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * The USB Monitor, inspired by Dave Harding's USBMon. * diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h index df9a4df342c7..aa64efaba366 100644 --- a/drivers/usb/mon/usb_mon.h +++ b/drivers/usb/mon/usb_mon.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * The USB Monitor, inspired by Dave Harding's USBMon. * diff --git a/drivers/usb/mtu3/Makefile b/drivers/usb/mtu3/Makefile index 60e0fff7a847..4a9715812bf9 100644 --- a/drivers/usb/mtu3/Makefile +++ b/drivers/usb/mtu3/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_USB_MTU3_DEBUG) += -DDEBUG diff --git a/drivers/usb/musb/Makefile b/drivers/usb/musb/Makefile index 689d42aba8a9..79d4d5439164 100644 --- a/drivers/usb/musb/Makefile +++ b/drivers/usb/musb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # for USB OTG silicon based on Mentor Graphics INVENTRA designs # diff --git a/drivers/usb/musb/cppi_dma.h b/drivers/usb/musb/cppi_dma.h index 9bb7c5e45c85..16dd1ed44bb5 100644 --- a/drivers/usb/musb/cppi_dma.h +++ b/drivers/usb/musb/cppi_dma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2005-2006 by Texas Instruments */ #ifndef _CPPI_DMA_H_ diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile index 8beefb7f2777..25e579fb92b8 100644 --- a/drivers/usb/phy/Makefile +++ b/drivers/usb/phy/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for physical layer USB drivers # diff --git a/drivers/usb/phy/phy-am335x-control.h b/drivers/usb/phy/phy-am335x-control.h index e86b3165d69d..cd4acfc6e360 100644 --- a/drivers/usb/phy/phy-am335x-control.h +++ b/drivers/usb/phy/phy-am335x-control.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AM335x_PHY_CONTROL_H_ #define _AM335x_PHY_CONTROL_H_ diff --git a/drivers/usb/phy/phy-generic.h b/drivers/usb/phy/phy-generic.h index 0d0eadd54ed9..97289627561d 100644 --- a/drivers/usb/phy/phy-generic.h +++ b/drivers/usb/phy/phy-generic.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _PHY_GENERIC_H_ #define _PHY_GENERIC_H_ diff --git a/drivers/usb/renesas_usbhs/Makefile b/drivers/usb/renesas_usbhs/Makefile index d787d05f6546..fac147a3ad23 100644 --- a/drivers/usb/renesas_usbhs/Makefile +++ b/drivers/usb/renesas_usbhs/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # for Renesas USB # diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile index 5a21a82390e1..2d491e434f11 100644 --- a/drivers/usb/serial/Makefile +++ b/drivers/usb/serial/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the USB serial device drivers. # diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h index 119d2e17077b..35e223751c0e 100644 --- a/drivers/usb/serial/cypress_m8.h +++ b/drivers/usb/serial/cypress_m8.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef CYPRESS_M8_H #define CYPRESS_M8_H diff --git a/drivers/usb/serial/ezusb_convert.pl b/drivers/usb/serial/ezusb_convert.pl index 13f11469116e..40d23f21ec74 100644 --- a/drivers/usb/serial/ezusb_convert.pl +++ b/drivers/usb/serial/ezusb_convert.pl @@ -1,4 +1,5 @@ #! /usr/bin/perl -w +# SPDX-License-Identifier: GPL-2.0 # convert an Intel HEX file into a set of C records usable by the firmware diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index bbcc13df11ac..dcd0b6e05baf 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Driver definitions for the FTDI USB Single Port Serial Converter - * known as FTDI_SIO (Serial Input/Output application of the chipset) diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index f9d15bd62785..4faa09fe308c 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * vendor/product IDs (VID/PID) of devices using FTDI USB serial converters. * Please keep numerically sorted within individual areas, thanks! diff --git a/drivers/usb/serial/kl5kusb105.h b/drivers/usb/serial/kl5kusb105.h index 22a90badc86b..41c9bf60fbf0 100644 --- a/drivers/usb/serial/kl5kusb105.h +++ b/drivers/usb/serial/kl5kusb105.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for the KLSI KL5KUSB105 serial port adapter */ diff --git a/drivers/usb/serial/kobil_sct.h b/drivers/usb/serial/kobil_sct.h index be207f7156fe..030c1b426611 100644 --- a/drivers/usb/serial/kobil_sct.h +++ b/drivers/usb/serial/kobil_sct.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #define SUSBCRequest_SetBaudRateParityAndStopBits 1 #define SUSBCR_SBR_MASK 0xFF00 #define SUSBCR_SBR_1200 0x0100 diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h index 44b25c08c68a..d28dab4b9eff 100644 --- a/drivers/usb/serial/usb-wwan.h +++ b/drivers/usb/serial/usb-wwan.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Definitions for USB serial mobile broadband cards */ diff --git a/drivers/usb/storage/Makefile b/drivers/usb/storage/Makefile index 4cd55481b309..c5126a4cd954 100644 --- a/drivers/usb/storage/Makefile +++ b/drivers/usb/storage/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the USB Mass Storage device drivers. # diff --git a/drivers/usb/storage/option_ms.h b/drivers/usb/storage/option_ms.h index b6e448cab039..6439992184fa 100644 --- a/drivers/usb/storage/option_ms.h +++ b/drivers/usb/storage/option_ms.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _OPTION_MS_H_ #define _OPTION_MS_H_ extern int option_ms_init(struct us_data *us); diff --git a/drivers/usb/storage/sierra_ms.c b/drivers/usb/storage/sierra_ms.c index 9a51019ac7b2..daf62448483f 100644 --- a/drivers/usb/storage/sierra_ms.c +++ b/drivers/usb/storage/sierra_ms.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <scsi/scsi.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/usb/storage/sierra_ms.h b/drivers/usb/storage/sierra_ms.h index bb48634ac1fc..3e9da537d54a 100644 --- a/drivers/usb/storage/sierra_ms.h +++ b/drivers/usb/storage/sierra_ms.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _SIERRA_MS_H_ #define _SIERRA_MS_H_ extern int sierra_ms_init(struct us_data *us); diff --git a/drivers/usb/storage/uas-detect.h b/drivers/usb/storage/uas-detect.h index a155cd02bce2..1fcd758a961f 100644 --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/usb.h> #include <linux/usb/hcd.h> #include "usb.h" diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile index 8372fc22f9b3..b57891c1fd31 100644 --- a/drivers/usb/typec/ucsi/Makefile +++ b/drivers/usb/typec/ucsi/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 CFLAGS_trace.o := -I$(src) obj-$(CONFIG_TYPEC_UCSI) += typec_ucsi.o diff --git a/drivers/usb/typec/ucsi/debug.h b/drivers/usb/typec/ucsi/debug.h index e4d8fc763e6c..fdeff39df120 100644 --- a/drivers/usb/typec/ucsi/debug.h +++ b/drivers/usb/typec/ucsi/debug.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __UCSI_DEBUG_H #define __UCSI_DEBUG_H diff --git a/drivers/usb/typec/ucsi/trace.h b/drivers/usb/typec/ucsi/trace.h index 98b404404834..d5092446ecc6 100644 --- a/drivers/usb/typec/ucsi/trace.h +++ b/drivers/usb/typec/ucsi/trace.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #undef TRACE_SYSTEM #define TRACE_SYSTEM ucsi diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 8a88f45822e3..53b80f40a908 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __DRIVER_USB_TYPEC_UCSI_H #define __DRIVER_USB_TYPEC_UCSI_H diff --git a/drivers/usb/usbip/Makefile b/drivers/usb/usbip/Makefile index d843a9e68852..f4c8f3840262 100644 --- a/drivers/usb/usbip/Makefile +++ b/drivers/usb/usbip/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_USBIP_DEBUG) := -DDEBUG obj-$(CONFIG_USBIP_CORE) += usbip-core.o diff --git a/drivers/usb/wusbcore/Makefile b/drivers/usb/wusbcore/Makefile index b3bd313032b1..d604ccdd916f 100644 --- a/drivers/usb/wusbcore/Makefile +++ b/drivers/usb/wusbcore/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 ccflags-$(CONFIG_USB_WUSB_CBAF_DEBUG) := -DDEBUG obj-$(CONFIG_USB_WUSB) += wusbcore.o diff --git a/drivers/uwb/Makefile b/drivers/uwb/Makefile index d47dd6e2942c..32f4de7afbd6 100644 --- a/drivers/uwb/Makefile +++ b/drivers/uwb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_UWB) += uwb.o obj-$(CONFIG_UWB_WHCI) += umc.o whci.o whc-rc.o obj-$(CONFIG_UWB_HWA) += hwa-rc.o diff --git a/drivers/uwb/i1480/dfu/Makefile b/drivers/uwb/i1480/dfu/Makefile index bd1b9f25424c..4739fdac5922 100644 --- a/drivers/uwb/i1480/dfu/Makefile +++ b/drivers/uwb/i1480/dfu/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_UWB_I1480U) += i1480-dfu-usb.o i1480-dfu-usb-objs := \ diff --git a/drivers/vfio/Makefile b/drivers/vfio/Makefile index 4a23c13b6be4..de67c4725cce 100644 --- a/drivers/vfio/Makefile +++ b/drivers/vfio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vfio_virqfd-y := virqfd.o obj-$(CONFIG_VFIO) += vfio.o diff --git a/drivers/vfio/platform/Makefile b/drivers/vfio/platform/Makefile index 41a6224f5e6b..3f3a24e7c4ef 100644 --- a/drivers/vfio/platform/Makefile +++ b/drivers/vfio/platform/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vfio-platform-base-y := vfio_platform_common.o vfio_platform_irq.o vfio-platform-y := vfio_platform.o diff --git a/drivers/vfio/platform/reset/Makefile b/drivers/vfio/platform/reset/Makefile index 93f4e232697b..90ba20b646da 100644 --- a/drivers/vfio/platform/reset/Makefile +++ b/drivers/vfio/platform/reset/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 vfio-platform-calxedaxgmac-y := vfio_platform_calxedaxgmac.o vfio-platform-amdxgbe-y := vfio_platform_amdxgbe.o diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index f5a86f651f38..2bc3705a99bd 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -665,7 +665,7 @@ static int vfio_dev_viable(struct device *dev, void *data) { struct vfio_group *group = data; struct vfio_device *device; - struct device_driver *drv = ACCESS_ONCE(dev->driver); + struct device_driver *drv = READ_ONCE(dev->driver); struct vfio_unbound_dev *unbound; int ret = -EINVAL; diff --git a/drivers/vhost/Makefile b/drivers/vhost/Makefile index 6b012b986b57..6c6df24f770c 100644 --- a/drivers/vhost/Makefile +++ b/drivers/vhost/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VHOST_NET) += vhost_net.o vhost_net-y := net.o diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 046f6d280af5..35e929f132e8 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -929,7 +929,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) continue; } - tpg = ACCESS_ONCE(vs_tpg[*target]); + tpg = READ_ONCE(vs_tpg[*target]); if (unlikely(!tpg)) { /* Target does not exist, fail the request */ vhost_scsi_send_bad_target(vs, vq, head, out); diff --git a/drivers/vhost/test.h b/drivers/vhost/test.h index 1fef5df82153..7dd265bfdf81 100644 --- a/drivers/vhost/test.h +++ b/drivers/vhost/test.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LINUX_VHOST_TEST_H #define LINUX_VHOST_TEST_H diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index d59a9cc65f9d..79c6e7a60a5e 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VHOST_H #define _VHOST_H diff --git a/drivers/video/Makefile b/drivers/video/Makefile index 445b2c230b56..df7650adede9 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VGASTATE) += vgastate.o obj-$(CONFIG_HDMI) += hdmi.o diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 8905129691e8..5e28f01c8391 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Backlight & LCD drivers obj-$(CONFIG_LCD_AMS369FG06) += ams369fg06.o diff --git a/drivers/video/console/Makefile b/drivers/video/console/Makefile index eb2cbec52643..db07b784bd2c 100644 --- a/drivers/video/console/Makefile +++ b/drivers/video/console/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Linux graphics to console drivers. # 5 Aug 1999, James Simmons, <mailto:jsimmons@users.sf.net> # Rewritten to use lists instead of if-statements. diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index ee8c81405a7f..8895536a20d6 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Linux video drivers. # 5 Aug 1999, James Simmons, <mailto:jsimmons@users.sf.net> # Rewritten to use lists instead of if-statements. diff --git a/drivers/video/fbdev/amba-clcd-nomadik.h b/drivers/video/fbdev/amba-clcd-nomadik.h index a24032c8156e..462c31381fa1 100644 --- a/drivers/video/fbdev/amba-clcd-nomadik.h +++ b/drivers/video/fbdev/amba-clcd-nomadik.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _AMBA_CLCD_NOMADIK_H #define _AMBA_CLCD_NOMADIK_H diff --git a/drivers/video/fbdev/amba-clcd-versatile.h b/drivers/video/fbdev/amba-clcd-versatile.h index 4692c3092823..b20baa47e6ad 100644 --- a/drivers/video/fbdev/amba-clcd-versatile.h +++ b/drivers/video/fbdev/amba-clcd-versatile.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Special local versatile callbacks */ diff --git a/drivers/video/fbdev/atafb.h b/drivers/video/fbdev/atafb.h index 014e05906cb1..2b2675980087 100644 --- a/drivers/video/fbdev/atafb.h +++ b/drivers/video/fbdev/atafb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VIDEO_ATAFB_H #define _VIDEO_ATAFB_H diff --git a/drivers/video/fbdev/atafb_utils.h b/drivers/video/fbdev/atafb_utils.h index ac9e19dc5057..8f3396ea8ae5 100644 --- a/drivers/video/fbdev/atafb_utils.h +++ b/drivers/video/fbdev/atafb_utils.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VIDEO_ATAFB_UTILS_H #define _VIDEO_ATAFB_UTILS_H diff --git a/drivers/video/fbdev/aty/Makefile b/drivers/video/fbdev/aty/Makefile index a6cc0e9ec790..069465c82d6d 100644 --- a/drivers/video/fbdev/aty/Makefile +++ b/drivers/video/fbdev/aty/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FB_ATY) += atyfb.o obj-$(CONFIG_FB_ATY128) += aty128fb.o obj-$(CONFIG_FB_RADEON) += radeonfb.o diff --git a/drivers/video/fbdev/aty/ati_ids.h b/drivers/video/fbdev/aty/ati_ids.h index 3e9d28bcd9f8..2b589d687b4c 100644 --- a/drivers/video/fbdev/aty/ati_ids.h +++ b/drivers/video/fbdev/aty/ati_ids.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ATI PCI IDs from XFree86, kept here to make sync'ing with * XFree much simpler. Currently, this list is only used by diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h index 63c4842eb224..8235b285dbb2 100644 --- a/drivers/video/fbdev/aty/atyfb.h +++ b/drivers/video/fbdev/aty/atyfb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * ATI Frame Buffer Device Driver Core Definitions */ diff --git a/drivers/video/fbdev/aty/mach64_accel.c b/drivers/video/fbdev/aty/mach64_accel.c index 182bd680141f..2541a0e0de76 100644 --- a/drivers/video/fbdev/aty/mach64_accel.c +++ b/drivers/video/fbdev/aty/mach64_accel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ATI Mach64 Hardware Acceleration diff --git a/drivers/video/fbdev/aty/mach64_ct.c b/drivers/video/fbdev/aty/mach64_ct.c index 51f29d627ceb..7d3bd723d3d5 100644 --- a/drivers/video/fbdev/aty/mach64_ct.c +++ b/drivers/video/fbdev/aty/mach64_ct.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ATI Mach64 CT/VT/GT/LT Support diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c index 2fa0317ab3c7..4cde25eab8e8 100644 --- a/drivers/video/fbdev/aty/mach64_cursor.c +++ b/drivers/video/fbdev/aty/mach64_cursor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ATI Mach64 CT/VT/GT/LT Cursor Support */ diff --git a/drivers/video/fbdev/aty/mach64_gx.c b/drivers/video/fbdev/aty/mach64_gx.c index 10c988aef58e..27cb65fa2ba2 100644 --- a/drivers/video/fbdev/aty/mach64_gx.c +++ b/drivers/video/fbdev/aty/mach64_gx.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * ATI Mach64 GX Support diff --git a/drivers/video/fbdev/aty/radeon_accel.c b/drivers/video/fbdev/aty/radeon_accel.c index a469a3d6edcb..bb147d8bf82d 100644 --- a/drivers/video/fbdev/aty/radeon_accel.c +++ b/drivers/video/fbdev/aty/radeon_accel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "radeonfb.h" /* the accelerated functions here are patterned after the diff --git a/drivers/video/fbdev/aty/radeon_i2c.c b/drivers/video/fbdev/aty/radeon_i2c.c index ab1d0fd76316..269b12ebb673 100644 --- a/drivers/video/fbdev/aty/radeon_i2c.c +++ b/drivers/video/fbdev/aty/radeon_i2c.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "radeonfb.h" #include <linux/module.h> diff --git a/drivers/video/fbdev/aty/radeon_monitor.c b/drivers/video/fbdev/aty/radeon_monitor.c index dd823f5fe4c9..9966c58aa26c 100644 --- a/drivers/video/fbdev/aty/radeon_monitor.c +++ b/drivers/video/fbdev/aty/radeon_monitor.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include "radeonfb.h" #include <linux/slab.h> diff --git a/drivers/video/fbdev/aty/radeon_pm.c b/drivers/video/fbdev/aty/radeon_pm.c index 1417542738fc..f7c253dd5899 100644 --- a/drivers/video/fbdev/aty/radeon_pm.c +++ b/drivers/video/fbdev/aty/radeon_pm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * drivers/video/aty/radeon_pm.c * diff --git a/drivers/video/fbdev/aty/radeonfb.h b/drivers/video/fbdev/aty/radeonfb.h index 962e31263225..131b34dd65af 100644 --- a/drivers/video/fbdev/aty/radeonfb.h +++ b/drivers/video/fbdev/aty/radeonfb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RADEONFB_H__ #define __RADEONFB_H__ diff --git a/drivers/video/fbdev/carminefb.h b/drivers/video/fbdev/carminefb.h index 05306de0c6b6..297688eba469 100644 --- a/drivers/video/fbdev/carminefb.h +++ b/drivers/video/fbdev/carminefb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef CARMINE_CARMINE_H #define CARMINE_CARMINE_H diff --git a/drivers/video/fbdev/carminefb_regs.h b/drivers/video/fbdev/carminefb_regs.h index 045215600b73..ae18318d2fc2 100644 --- a/drivers/video/fbdev/carminefb_regs.h +++ b/drivers/video/fbdev/carminefb_regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _CARMINEFB_REGS_H #define _CARMINEFB_REGS_H diff --git a/drivers/video/fbdev/core/Makefile b/drivers/video/fbdev/core/Makefile index 73493bbd7a15..d34fd182ca68 100644 --- a/drivers/video/fbdev/core/Makefile +++ b/drivers/video/fbdev/core/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FB_CMDLINE) += fb_cmdline.o obj-$(CONFIG_FB_NOTIFY) += fb_notify.o obj-$(CONFIG_FB) += fb.o diff --git a/drivers/video/fbdev/core/fb_draw.h b/drivers/video/fbdev/core/fb_draw.h index 624ee115f129..e0d829873930 100644 --- a/drivers/video/fbdev/core/fb_draw.h +++ b/drivers/video/fbdev/core/fb_draw.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _FB_DRAW_H #define _FB_DRAW_H diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 3a010641f630..d1bf9c2a78a7 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Framebuffer driver for EFI/UEFI based system * diff --git a/drivers/video/fbdev/geode/Makefile b/drivers/video/fbdev/geode/Makefile index 5c98da126883..16ba8a71dc52 100644 --- a/drivers/video/fbdev/geode/Makefile +++ b/drivers/video/fbdev/geode/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Geode family framebuffer drivers obj-$(CONFIG_FB_GEODE_GX1) += gx1fb.o diff --git a/drivers/video/fbdev/i810/Makefile b/drivers/video/fbdev/i810/Makefile index 96e08c8ded97..3e466510fe05 100644 --- a/drivers/video/fbdev/i810/Makefile +++ b/drivers/video/fbdev/i810/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Intel 810/815 framebuffer driver # diff --git a/drivers/video/fbdev/intelfb/Makefile b/drivers/video/fbdev/intelfb/Makefile index f7d631ebee8e..7ff2debb31af 100644 --- a/drivers/video/fbdev/intelfb/Makefile +++ b/drivers/video/fbdev/intelfb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FB_INTEL) += intelfb.o intelfb-y := intelfbdrv.o intelfbhw.o diff --git a/drivers/video/fbdev/intelfb/intelfb.h b/drivers/video/fbdev/intelfb/intelfb.h index 37f8339ea88c..b54db05f028d 100644 --- a/drivers/video/fbdev/intelfb/intelfb.h +++ b/drivers/video/fbdev/intelfb/intelfb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _INTELFB_H #define _INTELFB_H diff --git a/drivers/video/fbdev/matrox/g450_pll.h b/drivers/video/fbdev/matrox/g450_pll.h index aac615d18440..5303336c6547 100644 --- a/drivers/video/fbdev/matrox/g450_pll.h +++ b/drivers/video/fbdev/matrox/g450_pll.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __G450_PLL_H__ #define __G450_PLL_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.h b/drivers/video/fbdev/matrox/matroxfb_DAC1064.h index 1e6e45b57b78..3b2a6fd35fff 100644 --- a/drivers/video/fbdev/matrox/matroxfb_DAC1064.h +++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_DAC1064_H__ #define __MATROXFB_DAC1064_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.h b/drivers/video/fbdev/matrox/matroxfb_Ti3026.h index 27872aaa0a17..faee149d0ba0 100644 --- a/drivers/video/fbdev/matrox/matroxfb_Ti3026.h +++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_TI3026_H__ #define __MATROXFB_TI3026_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_accel.h b/drivers/video/fbdev/matrox/matroxfb_accel.h index 1e418e62c22d..a7aa9a1d26c0 100644 --- a/drivers/video/fbdev/matrox/matroxfb_accel.h +++ b/drivers/video/fbdev/matrox/matroxfb_accel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_ACCEL_H__ #define __MATROXFB_ACCEL_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_base.h b/drivers/video/fbdev/matrox/matroxfb_base.h index 7a90ea2c4613..f85ad25659e5 100644 --- a/drivers/video/fbdev/matrox/matroxfb_base.h +++ b/drivers/video/fbdev/matrox/matroxfb_base.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450 diff --git a/drivers/video/fbdev/matrox/matroxfb_crtc2.h b/drivers/video/fbdev/matrox/matroxfb_crtc2.h index 1005582e843e..23e90e210905 100644 --- a/drivers/video/fbdev/matrox/matroxfb_crtc2.h +++ b/drivers/video/fbdev/matrox/matroxfb_crtc2.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_CRTC2_H__ #define __MATROXFB_CRTC2_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_g450.h b/drivers/video/fbdev/matrox/matroxfb_g450.h index 3a3e654444b8..b5f17b86eae5 100644 --- a/drivers/video/fbdev/matrox/matroxfb_g450.h +++ b/drivers/video/fbdev/matrox/matroxfb_g450.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_G450_H__ #define __MATROXFB_G450_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_maven.h b/drivers/video/fbdev/matrox/matroxfb_maven.h index 99eddec9f30c..f896b78836b1 100644 --- a/drivers/video/fbdev/matrox/matroxfb_maven.h +++ b/drivers/video/fbdev/matrox/matroxfb_maven.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_MAVEN_H__ #define __MATROXFB_MAVEN_H__ diff --git a/drivers/video/fbdev/matrox/matroxfb_misc.h b/drivers/video/fbdev/matrox/matroxfb_misc.h index 351c823f1f74..9cb6686d309e 100644 --- a/drivers/video/fbdev/matrox/matroxfb_misc.h +++ b/drivers/video/fbdev/matrox/matroxfb_misc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MATROXFB_MISC_H__ #define __MATROXFB_MISC_H__ diff --git a/drivers/video/fbdev/mb862xx/mb862xx_reg.h b/drivers/video/fbdev/mb862xx/mb862xx_reg.h index 9df48b8edc94..e6d0513958c2 100644 --- a/drivers/video/fbdev/mb862xx/mb862xx_reg.h +++ b/drivers/video/fbdev/mb862xx/mb862xx_reg.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Fujitsu MB862xx Graphics Controller Registers/Bits */ diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb.h b/drivers/video/fbdev/mb862xx/mb862xxfb.h index 8550630c1e01..50bc9b584ca1 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfb.h +++ b/drivers/video/fbdev/mb862xx/mb862xxfb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MB862XX_H__ #define __MB862XX_H__ diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h index 96a2dfef0f60..3a2549f9a48f 100644 --- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h +++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MB826XXFB_ACCEL_H__ #define __MB826XXFB_ACCEL_H__ diff --git a/drivers/video/fbdev/mbx/mbxdebugfs.c b/drivers/video/fbdev/mbx/mbxdebugfs.c index 2528d3e609a4..2bd328883178 100644 --- a/drivers/video/fbdev/mbx/mbxdebugfs.c +++ b/drivers/video/fbdev/mbx/mbxdebugfs.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/debugfs.h> #include <linux/slab.h> diff --git a/drivers/video/fbdev/mbx/reg_bits.h b/drivers/video/fbdev/mbx/reg_bits.h index 5f14b4befd71..6607f353639b 100644 --- a/drivers/video/fbdev/mbx/reg_bits.h +++ b/drivers/video/fbdev/mbx/reg_bits.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __REG_BITS_2700G_ #define __REG_BITS_2700G_ diff --git a/drivers/video/fbdev/mbx/regs.h b/drivers/video/fbdev/mbx/regs.h index 063099d48839..591fc9d26084 100644 --- a/drivers/video/fbdev/mbx/regs.h +++ b/drivers/video/fbdev/mbx/regs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __REGS_2700G_ #define __REGS_2700G_ diff --git a/drivers/video/fbdev/mmp/panel/Kconfig b/drivers/video/fbdev/mmp/panel/Kconfig index 4b2c4f457b11..808890f7064b 100644 --- a/drivers/video/fbdev/mmp/panel/Kconfig +++ b/drivers/video/fbdev/mmp/panel/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config MMP_PANEL_TPOHVGA bool "tpohvga panel TJ032MD01BW support" depends on SPI_MASTER diff --git a/drivers/video/fbdev/nvidia/Makefile b/drivers/video/fbdev/nvidia/Makefile index 917d3eb05feb..cdd6e8ac454a 100644 --- a/drivers/video/fbdev/nvidia/Makefile +++ b/drivers/video/fbdev/nvidia/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the nVidia framebuffer driver # diff --git a/drivers/video/fbdev/nvidia/nv_proto.h b/drivers/video/fbdev/nvidia/nv_proto.h index 878a5ce02299..fb9c5ebf2958 100644 --- a/drivers/video/fbdev/nvidia/nv_proto.h +++ b/drivers/video/fbdev/nvidia/nv_proto.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_proto.h,v 1.10 2003/07/31 20:24:29 mvojkovi Exp $ */ #ifndef __NV_PROTO_H__ diff --git a/drivers/video/fbdev/nvidia/nv_type.h b/drivers/video/fbdev/nvidia/nv_type.h index 6ff321a36813..d7a1d4363d5f 100644 --- a/drivers/video/fbdev/nvidia/nv_type.h +++ b/drivers/video/fbdev/nvidia/nv_type.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NV_TYPE_H__ #define __NV_TYPE_H__ diff --git a/drivers/video/fbdev/omap/Makefile b/drivers/video/fbdev/omap/Makefile index 732e0718be53..daaa73a94e7f 100644 --- a/drivers/video/fbdev/omap/Makefile +++ b/drivers/video/fbdev/omap/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the OMAP1 framebuffer device driver # diff --git a/drivers/video/fbdev/omap/lcdc.h b/drivers/video/fbdev/omap/lcdc.h index 845222270db3..8a7607d861c1 100644 --- a/drivers/video/fbdev/omap/lcdc.h +++ b/drivers/video/fbdev/omap/lcdc.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef LCDC_H #define LCDC_H diff --git a/drivers/video/fbdev/omap2/omapfb/Makefile b/drivers/video/fbdev/omap2/omapfb/Makefile index ad68ecf141af..602edfed09df 100644 --- a/drivers/video/fbdev/omap2/omapfb/Makefile +++ b/drivers/video/fbdev/omap2/omapfb/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_OMAP2_VRFB) += vrfb.o obj-y += dss/ obj-y += displays/ diff --git a/drivers/video/fbdev/omap2/omapfb/displays/Makefile b/drivers/video/fbdev/omap2/omapfb/displays/Makefile index 4f7459272256..f801762ce455 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/Makefile +++ b/drivers/video/fbdev/omap2/omapfb/displays/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FB_OMAP2_ENCODER_OPA362) += encoder-opa362.o obj-$(CONFIG_FB_OMAP2_ENCODER_TFP410) += encoder-tfp410.o obj-$(CONFIG_FB_OMAP2_ENCODER_TPD12S015) += encoder-tpd12s015.o diff --git a/drivers/video/fbdev/omap2/omapfb/dss/Kconfig b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig index 27d220212870..6d0bb27e4f85 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/Kconfig +++ b/drivers/video/fbdev/omap2/omapfb/dss/Kconfig @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 config FB_OMAP2_DSS_INIT bool diff --git a/drivers/video/fbdev/omap2/omapfb/dss/Makefile b/drivers/video/fbdev/omap2/omapfb/dss/Makefile index 02308e24f3ef..7318d5260e8d 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/Makefile +++ b/drivers/video/fbdev/omap2/omapfb/dss/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_FB_OMAP2_DSS_INIT) += omapdss-boot-init.o obj-$(CONFIG_FB_OMAP2_DSS) += omapdss.o # Core DSS files diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c index 189a5ad125a3..f13d7639826d 100644 --- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c +++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_common.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define DSS_SUBSYS_NAME "HDMI" diff --git a/drivers/video/fbdev/pxa168fb.h b/drivers/video/fbdev/pxa168fb.h index eee09279c524..2aba90de1360 100644 --- a/drivers/video/fbdev/pxa168fb.h +++ b/drivers/video/fbdev/pxa168fb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PXA168FB_H__ #define __PXA168FB_H__ diff --git a/drivers/video/fbdev/pxa3xx-gcu.h b/drivers/video/fbdev/pxa3xx-gcu.h index 0428ed03dc49..ea9489d16de5 100644 --- a/drivers/video/fbdev/pxa3xx-gcu.h +++ b/drivers/video/fbdev/pxa3xx-gcu.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __PXA3XX_GCU_H__ #define __PXA3XX_GCU_H__ diff --git a/drivers/video/fbdev/riva/Makefile b/drivers/video/fbdev/riva/Makefile index 8898c9915b02..bdbdd6eb80ec 100644 --- a/drivers/video/fbdev/riva/Makefile +++ b/drivers/video/fbdev/riva/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Riva framebuffer driver # diff --git a/drivers/video/fbdev/riva/nv_type.h b/drivers/video/fbdev/riva/nv_type.h index a69480c9a67c..51937a0ae0a4 100644 --- a/drivers/video/fbdev/riva/nv_type.h +++ b/drivers/video/fbdev/riva/nv_type.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/nv/nv_type.h,v 1.35 2002/08/05 20:47:06 mvojkovi Exp $ */ #ifndef __NV_STRUCT_H__ diff --git a/drivers/video/fbdev/riva/rivafb.h b/drivers/video/fbdev/riva/rivafb.h index 61fd37ca490a..593297ca2b20 100644 --- a/drivers/video/fbdev/riva/rivafb.h +++ b/drivers/video/fbdev/riva/rivafb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RIVAFB_H #define __RIVAFB_H diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c index a350209ffbd3..af6fc97f4ba4 100644 --- a/drivers/video/fbdev/sbuslib.c +++ b/drivers/video/fbdev/sbuslib.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* sbuslib.c: Helper library for SBUS framebuffer drivers. * * Copyright (C) 2003 David S. Miller (davem@redhat.com) diff --git a/drivers/video/fbdev/sbuslib.h b/drivers/video/fbdev/sbuslib.h index 7ba3250236bd..a6b9a2467646 100644 --- a/drivers/video/fbdev/sbuslib.h +++ b/drivers/video/fbdev/sbuslib.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* sbuslib.h: SBUS fb helper library interfaces */ #ifndef _SBUSLIB_H #define _SBUSLIB_H diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.h b/drivers/video/fbdev/sh_mobile_lcdcfb.h index f839adef1d90..cc52c74721fe 100644 --- a/drivers/video/fbdev/sh_mobile_lcdcfb.h +++ b/drivers/video/fbdev/sh_mobile_lcdcfb.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef SH_MOBILE_LCDCFB_H #define SH_MOBILE_LCDCFB_H diff --git a/drivers/video/fbdev/sticore.h b/drivers/video/fbdev/sticore.h index af1619536ac8..fb8f58f9867a 100644 --- a/drivers/video/fbdev/sticore.h +++ b/drivers/video/fbdev/sticore.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef STICORE_H #define STICORE_H diff --git a/drivers/video/fbdev/via/Makefile b/drivers/video/fbdev/via/Makefile index 159f26e6adb5..771a0eee7fb4 100644 --- a/drivers/video/fbdev/via/Makefile +++ b/drivers/video/fbdev/via/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the VIA framebuffer driver (for Linux Kernel 2.6) # diff --git a/drivers/video/fbdev/wmt_ge_rops.h b/drivers/video/fbdev/wmt_ge_rops.h index f73ec6377a46..8d9ed8a51a79 100644 --- a/drivers/video/fbdev/wmt_ge_rops.h +++ b/drivers/video/fbdev/wmt_ge_rops.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_FB_WMT_GE_ROPS extern void wmt_ge_fillrect(struct fb_info *info, diff --git a/drivers/video/logo/Makefile b/drivers/video/logo/Makefile index 3b437813584c..6194373ee424 100644 --- a/drivers/video/logo/Makefile +++ b/drivers/video/logo/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # Makefile for the Linux logos obj-$(CONFIG_LOGO) += logo.o diff --git a/drivers/virtio/Makefile b/drivers/virtio/Makefile index 41e30e3dc842..3a2b5c5dcf46 100644 --- a/drivers/virtio/Makefile +++ b/drivers/virtio/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_VIRTIO) += virtio.o virtio_ring.o obj-$(CONFIG_VIRTIO_MMIO) += virtio_mmio.o obj-$(CONFIG_VIRTIO_PCI) += virtio_pci.o diff --git a/drivers/vme/vme_bridge.h b/drivers/vme/vme_bridge.h index 2662e916b96a..42ecf961004e 100644 --- a/drivers/vme/vme_bridge.h +++ b/drivers/vme/vme_bridge.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _VME_BRIDGE_H_ #define _VME_BRIDGE_H_ diff --git a/drivers/w1/masters/Makefile b/drivers/w1/masters/Makefile index c5a3e96fcbab..18954cae4256 100644 --- a/drivers/w1/masters/Makefile +++ b/drivers/w1/masters/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for 1-wire bus master drivers. # diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile index 36b22fb2d3a1..79c611ce5f18 100644 --- a/drivers/w1/slaves/Makefile +++ b/drivers/w1/slaves/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Dallas's 1-wire slaves. # diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile index 56adf9fa67d0..715a21078e0c 100644 --- a/drivers/watchdog/Makefile +++ b/drivers/watchdog/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the WatchDog device drivers. # diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c index 665e0e7dfe1e..18e896eeca62 100644 --- a/drivers/watchdog/alim7101_wdt.c +++ b/drivers/watchdog/alim7101_wdt.c @@ -71,7 +71,7 @@ MODULE_PARM_DESC(use_gpio, "Use the gpio watchdog (required by old cobalt boards)."); static void wdt_timer_ping(unsigned long); -static DEFINE_TIMER(timer, wdt_timer_ping, 0, 1); +static DEFINE_TIMER(timer, wdt_timer_ping); static unsigned long next_heartbeat; static unsigned long wdt_is_open; static char wdt_expect_close; @@ -87,7 +87,7 @@ MODULE_PARM_DESC(nowayout, * Whack the dog */ -static void wdt_timer_ping(unsigned long data) +static void wdt_timer_ping(unsigned long unused) { /* If we got a heartbeat pulse within the WDT_US_INTERVAL * we agree to ping the WDT diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c index 3d43775548e5..aee0b25cf10d 100644 --- a/drivers/watchdog/cpwd.c +++ b/drivers/watchdog/cpwd.c @@ -230,9 +230,9 @@ static void cpwd_resetbrokentimer(struct cpwd *p, int index) * interrupts within the PLD so me must continually * reset the timers ad infinitum. */ -static void cpwd_brokentimer(unsigned long data) +static void cpwd_brokentimer(struct timer_list *unused) { - struct cpwd *p = (struct cpwd *) data; + struct cpwd *p = cpwd_device; int id, tripped = 0; /* kill a running timer instance, in case we @@ -275,7 +275,7 @@ static void cpwd_stoptimer(struct cpwd *p, int index) if (p->broken) { p->devs[index].runstatus |= WD_STAT_BSTOP; - cpwd_brokentimer((unsigned long) p); + cpwd_brokentimer(NULL); } } } @@ -608,7 +608,7 @@ static int cpwd_probe(struct platform_device *op) } if (p->broken) { - setup_timer(&cpwd_timer, cpwd_brokentimer, (unsigned long)p); + timer_setup(&cpwd_timer, cpwd_brokentimer, 0); cpwd_timer.expires = WD_BTIMEOUT; pr_info("PLD defect workaround enabled for model %s\n", diff --git a/drivers/watchdog/iTCO_vendor.h b/drivers/watchdog/iTCO_vendor.h index 3c57b45537a2..7b82a7c6e7c3 100644 --- a/drivers/watchdog/iTCO_vendor.h +++ b/drivers/watchdog/iTCO_vendor.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* iTCO Vendor Specific Support hooks */ #ifdef CONFIG_ITCO_VENDOR_SUPPORT extern void iTCO_vendor_pre_start(struct resource *, unsigned int); diff --git a/drivers/watchdog/lpc18xx_wdt.c b/drivers/watchdog/lpc18xx_wdt.c index 3b8bb59adf02..b4221f43cd94 100644 --- a/drivers/watchdog/lpc18xx_wdt.c +++ b/drivers/watchdog/lpc18xx_wdt.c @@ -78,10 +78,10 @@ static int lpc18xx_wdt_feed(struct watchdog_device *wdt_dev) return 0; } -static void lpc18xx_wdt_timer_feed(unsigned long data) +static void lpc18xx_wdt_timer_feed(struct timer_list *t) { - struct watchdog_device *wdt_dev = (struct watchdog_device *)data; - struct lpc18xx_wdt_dev *lpc18xx_wdt = watchdog_get_drvdata(wdt_dev); + struct lpc18xx_wdt_dev *lpc18xx_wdt = from_timer(lpc18xx_wdt, t, timer); + struct watchdog_device *wdt_dev = &lpc18xx_wdt->wdt_dev; lpc18xx_wdt_feed(wdt_dev); @@ -96,7 +96,9 @@ static void lpc18xx_wdt_timer_feed(unsigned long data) */ static int lpc18xx_wdt_stop(struct watchdog_device *wdt_dev) { - lpc18xx_wdt_timer_feed((unsigned long)wdt_dev); + struct lpc18xx_wdt_dev *lpc18xx_wdt = watchdog_get_drvdata(wdt_dev); + + lpc18xx_wdt_timer_feed(&lpc18xx_wdt->timer); return 0; } @@ -267,8 +269,7 @@ static int lpc18xx_wdt_probe(struct platform_device *pdev) __lpc18xx_wdt_set_timeout(lpc18xx_wdt); - setup_timer(&lpc18xx_wdt->timer, lpc18xx_wdt_timer_feed, - (unsigned long)&lpc18xx_wdt->wdt_dev); + timer_setup(&lpc18xx_wdt->timer, lpc18xx_wdt_timer_feed, 0); watchdog_set_nowayout(&lpc18xx_wdt->wdt_dev, nowayout); watchdog_set_restart_priority(&lpc18xx_wdt->wdt_dev, 128); diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c index 9826b59ef734..8a616a57bb90 100644 --- a/drivers/watchdog/machzwd.c +++ b/drivers/watchdog/machzwd.c @@ -127,7 +127,7 @@ static int zf_action = GEN_RESET; static unsigned long zf_is_open; static char zf_expect_close; static DEFINE_SPINLOCK(zf_port_lock); -static DEFINE_TIMER(zf_timer, zf_ping, 0, 0); +static DEFINE_TIMER(zf_timer, zf_ping); static unsigned long next_heartbeat; diff --git a/drivers/watchdog/mixcomwd.c b/drivers/watchdog/mixcomwd.c index be86ea359eee..c9e38096ea91 100644 --- a/drivers/watchdog/mixcomwd.c +++ b/drivers/watchdog/mixcomwd.c @@ -105,7 +105,7 @@ static unsigned long mixcomwd_opened; /* long req'd for setbit --RR */ static int watchdog_port; static int mixcomwd_timer_alive; -static DEFINE_TIMER(mixcomwd_timer, mixcomwd_timerfun, 0, 0); +static DEFINE_TIMER(mixcomwd_timer, mixcomwd_timerfun); static char expect_close; static bool nowayout = WATCHDOG_NOWAYOUT; diff --git a/drivers/watchdog/sbc60xxwdt.c b/drivers/watchdog/sbc60xxwdt.c index 2eef58a0cf05..8d589939bc84 100644 --- a/drivers/watchdog/sbc60xxwdt.c +++ b/drivers/watchdog/sbc60xxwdt.c @@ -113,7 +113,7 @@ MODULE_PARM_DESC(nowayout, __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); static void wdt_timer_ping(unsigned long); -static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0); +static DEFINE_TIMER(timer, wdt_timer_ping); static unsigned long next_heartbeat; static unsigned long wdt_is_open; static char wdt_expect_close; diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c index 1cfd3f6a13d5..3e9bbaa37bf4 100644 --- a/drivers/watchdog/sc520_wdt.c +++ b/drivers/watchdog/sc520_wdt.c @@ -124,7 +124,7 @@ MODULE_PARM_DESC(nowayout, static __u16 __iomem *wdtmrctl; static void wdt_timer_ping(unsigned long); -static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0); +static DEFINE_TIMER(timer, wdt_timer_ping); static unsigned long next_heartbeat; static unsigned long wdt_is_open; static char wdt_expect_close; diff --git a/drivers/watchdog/sp5100_tco.h b/drivers/watchdog/sp5100_tco.h index 2b28c00da0df..1af4dee71337 100644 --- a/drivers/watchdog/sp5100_tco.h +++ b/drivers/watchdog/sp5100_tco.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * sp5100_tco: TCO timer driver for sp5100 chipsets. * diff --git a/drivers/watchdog/via_wdt.c b/drivers/watchdog/via_wdt.c index 5f9cbc37520d..ad3c3be13b40 100644 --- a/drivers/watchdog/via_wdt.c +++ b/drivers/watchdog/via_wdt.c @@ -68,7 +68,7 @@ static struct resource wdt_res; static void __iomem *wdt_mem; static unsigned int mmio; static void wdt_timer_tick(unsigned long data); -static DEFINE_TIMER(timer, wdt_timer_tick, 0, 0); +static DEFINE_TIMER(timer, wdt_timer_tick); /* The timer that pings the watchdog */ static unsigned long next_heartbeat; /* the next_heartbeat for the timer */ diff --git a/drivers/watchdog/w83877f_wdt.c b/drivers/watchdog/w83877f_wdt.c index f0483c75ed32..ba6b680af100 100644 --- a/drivers/watchdog/w83877f_wdt.c +++ b/drivers/watchdog/w83877f_wdt.c @@ -98,7 +98,7 @@ MODULE_PARM_DESC(nowayout, __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); static void wdt_timer_ping(unsigned long); -static DEFINE_TIMER(timer, wdt_timer_ping, 0, 0); +static DEFINE_TIMER(timer, wdt_timer_ping); static unsigned long next_heartbeat; static unsigned long wdt_is_open; static char wdt_expect_close; diff --git a/drivers/watchdog/watchdog_pretimeout.h b/drivers/watchdog/watchdog_pretimeout.h index a5a32b39c56d..a3f1abc68839 100644 --- a/drivers/watchdog/watchdog_pretimeout.h +++ b/drivers/watchdog/watchdog_pretimeout.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __WATCHDOG_PRETIMEOUT_H #define __WATCHDOG_PRETIMEOUT_H diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index caaa15dc37bc..d3930ecaf11d 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o obj-$(CONFIG_X86) += fallback.o obj-y += grant-table.o features.o balloon.o manage.o preempt.o time.o diff --git a/drivers/xen/biomerge.c b/drivers/xen/biomerge.c index 1bdd02a6d6ac..30d7f52eb7ca 100644 --- a/drivers/xen/biomerge.c +++ b/drivers/xen/biomerge.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/bio.h> #include <linux/io.h> #include <linux/export.h> diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c index 0003912a8111..d4265c8ebb22 100644 --- a/drivers/xen/cpu_hotplug.c +++ b/drivers/xen/cpu_hotplug.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) "xen:" KBUILD_MODNAME ": " fmt #include <linux/notifier.h> diff --git a/drivers/xen/events/events_2l.c b/drivers/xen/events/events_2l.c index bdff01095f54..8edef51c92e5 100644 --- a/drivers/xen/events/events_2l.c +++ b/drivers/xen/events/events_2l.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xen event channels (2-level ABI) * diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 82360594fa8e..57efbd3b053b 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -1024,6 +1024,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) mutex_unlock(&priv->lock); if (use_ptemod) { + map->pages_vm_start = vma->vm_start; err = apply_to_page_range(vma->vm_mm, vma->vm_start, vma->vm_end - vma->vm_start, find_grant_ptes, map); @@ -1061,7 +1062,6 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) set_grant_ptes_as_special, NULL); } #endif - map->pages_vm_start = vma->vm_start; } return 0; diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 2c6a9114d332..a8721d718186 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -305,7 +305,7 @@ struct deferred_entry { }; static LIST_HEAD(deferred_list); static void gnttab_handle_deferred(unsigned long); -static DEFINE_TIMER(deferred_timer, gnttab_handle_deferred, 0, 0); +static DEFINE_TIMER(deferred_timer, gnttab_handle_deferred); static void gnttab_handle_deferred(unsigned long unused) { diff --git a/drivers/xen/time.c b/drivers/xen/time.c index ac5f23fcafc2..a63fedbdcbe9 100644 --- a/drivers/xen/time.c +++ b/drivers/xen/time.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Xen stolen ticks accounting. */ diff --git a/drivers/xen/xen-balloon.c b/drivers/xen/xen-balloon.c index e89136ab851e..b437fccd4e62 100644 --- a/drivers/xen/xen-balloon.c +++ b/drivers/xen/xen-balloon.c @@ -57,7 +57,7 @@ static int register_balloon(struct device *dev); static void watch_target(struct xenbus_watch *watch, const char *path, const char *token) { - unsigned long long new_target; + unsigned long long new_target, static_max; int err; static bool watch_fired; static long target_diff; @@ -72,13 +72,20 @@ static void watch_target(struct xenbus_watch *watch, * pages. PAGE_SHIFT converts bytes to pages, hence PAGE_SHIFT - 10. */ new_target >>= PAGE_SHIFT - 10; - if (watch_fired) { - balloon_set_new_target(new_target - target_diff); - return; + + if (!watch_fired) { + watch_fired = true; + err = xenbus_scanf(XBT_NIL, "memory", "static-max", "%llu", + &static_max); + if (err != 1) + static_max = new_target; + else + static_max >>= PAGE_SHIFT - 10; + target_diff = xen_pv_domain() ? 0 + : static_max - balloon_stats.target_pages; } - watch_fired = true; - target_diff = new_target - balloon_stats.target_pages; + balloon_set_new_target(new_target - target_diff); } static struct xenbus_watch target_watch = { .node = "memory/target", diff --git a/drivers/xen/xen-pciback/Makefile b/drivers/xen/xen-pciback/Makefile index ffe0ad3438bd..e8d981d43235 100644 --- a/drivers/xen/xen-pciback/Makefile +++ b/drivers/xen/xen-pciback/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-$(CONFIG_XEN_PCIDEV_BACKEND) += xen-pciback.o xen-pciback-y := pci_stub.o pciback_ops.o xenbus.o diff --git a/drivers/xen/xen-pciback/conf_space.c b/drivers/xen/xen-pciback/conf_space.c index 9e9286d0872e..60111719b01f 100644 --- a/drivers/xen/xen-pciback/conf_space.c +++ b/drivers/xen/xen-pciback/conf_space.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend - Functions for creating a virtual configuration space for * exported PCI Devices. diff --git a/drivers/xen/xen-pciback/conf_space.h b/drivers/xen/xen-pciback/conf_space.h index 62461a8ba1d6..22db630717ea 100644 --- a/drivers/xen/xen-pciback/conf_space.h +++ b/drivers/xen/xen-pciback/conf_space.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * PCI Backend - Common data structures for overriding the configuration space * diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c index 7f83e9083e9d..73427d8e0116 100644 --- a/drivers/xen/xen-pciback/conf_space_capability.c +++ b/drivers/xen/xen-pciback/conf_space_capability.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend - Handles the virtual fields found on the capability lists * in the configuration space. diff --git a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c index 5b3d57fc82d3..10ae24b5a76e 100644 --- a/drivers/xen/xen-pciback/conf_space_header.c +++ b/drivers/xen/xen-pciback/conf_space_header.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend - Handles the virtual fields in the configuration space headers. * diff --git a/drivers/xen/xen-pciback/conf_space_quirks.c b/drivers/xen/xen-pciback/conf_space_quirks.c index 7476791cab40..89d9744ece61 100644 --- a/drivers/xen/xen-pciback/conf_space_quirks.c +++ b/drivers/xen/xen-pciback/conf_space_quirks.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend - Handle special overlays for broken devices. * diff --git a/drivers/xen/xen-pciback/conf_space_quirks.h b/drivers/xen/xen-pciback/conf_space_quirks.h index cfcc517e4570..d873abe35bf6 100644 --- a/drivers/xen/xen-pciback/conf_space_quirks.h +++ b/drivers/xen/xen-pciback/conf_space_quirks.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * PCI Backend - Data structures for special overlays for broken devices. * diff --git a/drivers/xen/xen-pciback/passthrough.c b/drivers/xen/xen-pciback/passthrough.c index f16a30e2a110..66e9b814cc86 100644 --- a/drivers/xen/xen-pciback/passthrough.c +++ b/drivers/xen/xen-pciback/passthrough.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend - Provides restricted access to the real PCI bus topology * to the frontend diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h index 7af369b6aaa2..263c059bff90 100644 --- a/drivers/xen/xen-pciback/pciback.h +++ b/drivers/xen/xen-pciback/pciback.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * PCI Backend Common Data Structures & Function Declarations * diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index f8c77751f330..ee2c891b55c6 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend Operations - respond to PCI requests from Frontend * diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c index c99f8bb1c56c..f6ba18191c0f 100644 --- a/drivers/xen/xen-pciback/vpci.c +++ b/drivers/xen/xen-pciback/vpci.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend - Provides a Virtual PCI bus (with real devices) * to the frontend diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index 3814b44bf1f7..581c4e1a8b82 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * PCI Backend Xenbus Setup - handles setup with frontend and xend * diff --git a/drivers/xen/xen-selfballoon.c b/drivers/xen/xen-selfballoon.c index a67e955cacd1..55988b8418ee 100644 --- a/drivers/xen/xen-selfballoon.c +++ b/drivers/xen/xen-selfballoon.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * Xen selfballoon driver (and optional frontswap self-shrinking driver) * diff --git a/drivers/xen/xenbus/Makefile b/drivers/xen/xenbus/Makefile index 31e2e9050c7a..0c7532110815 100644 --- a/drivers/xen/xenbus/Makefile +++ b/drivers/xen/xenbus/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 obj-y += xenbus.o obj-y += xenbus_dev_frontend.o diff --git a/drivers/xen/xenbus/xenbus_dev_backend.c b/drivers/xen/xenbus/xenbus_dev_backend.c index 1126701e212e..edba5fecde4d 100644 --- a/drivers/xen/xenbus/xenbus_dev_backend.c +++ b/drivers/xen/xenbus/xenbus_dev_backend.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/slab.h> diff --git a/drivers/xen/xenfs/xenfs.h b/drivers/xen/xenfs/xenfs.h index 2c5934ea9b1e..cfe4874b83a7 100644 --- a/drivers/xen/xenfs/xenfs.h +++ b/drivers/xen/xenfs/xenfs.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _XENFS_XENBUS_H #define _XENFS_XENBUS_H diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c index 82fd2a396d96..f59235f9f8a2 100644 --- a/drivers/xen/xenfs/xenstored.c +++ b/drivers/xen/xenfs/xenstored.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/slab.h> #include <linux/types.h> #include <linux/mm.h> diff --git a/drivers/xen/xenfs/xensyms.c b/drivers/xen/xenfs/xensyms.c index c6e2b4a542ea..c6c73a33c44d 100644 --- a/drivers/xen/xenfs/xensyms.c +++ b/drivers/xen/xenfs/xensyms.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/init.h> #include <linux/seq_file.h> #include <linux/fs.h> diff --git a/drivers/zorro/Makefile b/drivers/zorro/Makefile index 7dc5332ff984..b360ac4ea846 100644 --- a/drivers/zorro/Makefile +++ b/drivers/zorro/Makefile @@ -1,3 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0 # # Makefile for the Zorro bus specific drivers. # diff --git a/drivers/zorro/gen-devlist.c b/drivers/zorro/gen-devlist.c index 16fe206f9998..e325c5ce995b 100644 --- a/drivers/zorro/gen-devlist.c +++ b/drivers/zorro/gen-devlist.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Generate devlist.h from the Zorro ID file. * diff --git a/drivers/zorro/names.c b/drivers/zorro/names.c index 83eedddbb794..fa3c83dbe843 100644 --- a/drivers/zorro/names.c +++ b/drivers/zorro/names.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Zorro Device Name Tables * diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c index 05397305fccd..df05a26ab8d8 100644 --- a/drivers/zorro/proc.c +++ b/drivers/zorro/proc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Procfs interface for the Zorro bus. * diff --git a/drivers/zorro/zorro.h b/drivers/zorro/zorro.h index 4f805c01cfbc..ac0bab3412d9 100644 --- a/drivers/zorro/zorro.h +++ b/drivers/zorro/zorro.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifdef CONFIG_ZORRO_NAMES extern void zorro_name_device(struct zorro_dev *z); |