diff options
262 files changed, 3051 insertions, 2941 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 363e348bff9b..6c723811c0a0 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2438,7 +2438,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. real-time workloads. It can also improve energy efficiency for asymmetric multiprocessors. - rcu_nocbs_poll [KNL,BOOT] + rcu_nocb_poll [KNL,BOOT] Rather than requiring that offloaded CPUs (specified by rcu_nocbs= above) explicitly awaken the corresponding "rcuoN" kthreads, diff --git a/Documentation/x86/boot.txt b/Documentation/x86/boot.txt index 3edb4c2887a1..e540fd67f767 100644 --- a/Documentation/x86/boot.txt +++ b/Documentation/x86/boot.txt @@ -57,7 +57,7 @@ Protocol 2.10: (Kernel 2.6.31) Added a protocol for relaxed alignment Protocol 2.11: (Kernel 3.6) Added a field for offset of EFI handover protocol entry point. -Protocol 2.12: (Kernel 3.9) Added the xloadflags field and extension fields +Protocol 2.12: (Kernel 3.8) Added the xloadflags field and extension fields to struct boot_params for for loading bzImage and ramdisk above 4G in 64bit. diff --git a/MAINTAINERS b/MAINTAINERS index 212c255b9347..35a56bcd5e75 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1489,7 +1489,7 @@ AVR32 ARCHITECTURE M: Haavard Skinnemoen <hskinnemoen@gmail.com> M: Hans-Christian Egtvedt <egtvedt@samfundet.no> W: http://www.atmel.com/products/AVR32/ -W: http://avr32linux.org/ +W: http://mirror.egtvedt.no/avr32linux.org/ W: http://avrfreaks.net/ S: Maintained F: arch/avr32/ @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 8 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc7 NAME = Unicycling Gorilla # *DOCUMENTATION* diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 67874b82a4ed..c407edb43fe4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1650,7 +1650,6 @@ config HZ int default 200 if ARCH_EBSA110 || ARCH_S3C24XX || ARCH_S5P64X0 || \ ARCH_S5PV210 || ARCH_EXYNOS4 - default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER default AT91_TIMER_HZ if ARCH_AT91 default SHMOBILE_TIMER_HZ if ARCH_SHMOBILE default 100 diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index c2f14e875eb6..0957645b73af 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -385,5 +385,19 @@ mac-address = [ 00 00 00 00 00 00 ]; }; }; + + ocmcram: ocmcram@40300000 { + compatible = "ti,am3352-ocmcram"; + reg = <0x40300000 0x10000>; + ti,hwmods = "ocmcram"; + ti,no_idle_on_suspend; + }; + + wkup_m3: wkup_m3@44d00000 { + compatible = "ti,am3353-wkup-m3"; + reg = <0x44d00000 0x4000 /* M3 UMEM */ + 0x44d80000 0x2000>; /* M3 DMEM */ + ti,hwmods = "wkup_m3"; + }; }; }; diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 36ae03a3f5d1..87dfa9026c5b 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -351,6 +351,25 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq) irq_set_chained_handler(irq, gic_handle_cascade_irq); } +static u8 gic_get_cpumask(struct gic_chip_data *gic) +{ + void __iomem *base = gic_data_dist_base(gic); + u32 mask, i; + + for (i = mask = 0; i < 32; i += 4) { + mask = readl_relaxed(base + GIC_DIST_TARGET + i); + mask |= mask >> 16; + mask |= mask >> 8; + if (mask) + break; + } + + if (!mask) + pr_crit("GIC CPU mask not found - kernel will fail to boot.\n"); + + return mask; +} + static void __init gic_dist_init(struct gic_chip_data *gic) { unsigned int i; @@ -369,7 +388,9 @@ static void __init gic_dist_init(struct gic_chip_data *gic) /* * Set all global interrupts to this CPU only. */ - cpumask = readl_relaxed(base + GIC_DIST_TARGET + 0); + cpumask = gic_get_cpumask(gic); + cpumask |= cpumask << 8; + cpumask |= cpumask << 16; for (i = 32; i < gic_irqs; i += 4) writel_relaxed(cpumask, base + GIC_DIST_TARGET + i * 4 / 4); @@ -400,7 +421,7 @@ static void __cpuinit gic_cpu_init(struct gic_chip_data *gic) * Get what the GIC says our CPU mask is. */ BUG_ON(cpu >= NR_GIC_CPU_IF); - cpu_mask = readl_relaxed(dist_base + GIC_DIST_TARGET + 0); + cpu_mask = gic_get_cpumask(gic); gic_cpu_map[cpu] = cpu_mask; /* diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 73cf03aa981e..1c4df27f9332 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -37,7 +37,7 @@ */ #define PAGE_OFFSET UL(CONFIG_PAGE_OFFSET) #define TASK_SIZE (UL(CONFIG_PAGE_OFFSET) - UL(0x01000000)) -#define TASK_UNMAPPED_BASE (UL(CONFIG_PAGE_OFFSET) / 3) +#define TASK_UNMAPPED_BASE ALIGN(TASK_SIZE / 3, SZ_16M) /* * The maximum size of a 26-bit user space task. diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index e103c290bc9e..85afb031b676 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -414,7 +414,7 @@ config MACH_EXYNOS4_DT select CPU_EXYNOS4210 select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD select PINCTRL - select PINCTRL_EXYNOS4 + select PINCTRL_EXYNOS select USE_OF help Machine support for Samsung Exynos4 machine with device tree enabled. diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 947cafe65aef..d1156cfa9745 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -53,6 +53,7 @@ AFLAGS_sram34xx.o :=-Wa,-march=armv7-a # Restart code (OMAP4/5 currently in omap4-common.c) obj-$(CONFIG_SOC_OMAP2420) += omap2-restart.o obj-$(CONFIG_SOC_OMAP2430) += omap2-restart.o +obj-$(CONFIG_SOC_AM33XX) += am33xx-restart.o obj-$(CONFIG_ARCH_OMAP3) += omap3-restart.o # Pin multiplexing diff --git a/arch/arm/mach-omap2/am33xx-restart.c b/arch/arm/mach-omap2/am33xx-restart.c new file mode 100644 index 000000000000..88e4fa8af031 --- /dev/null +++ b/arch/arm/mach-omap2/am33xx-restart.c @@ -0,0 +1,34 @@ +/* + * am33xx-restart.c - Code common to all AM33xx machines. + * + * 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 "common.h" +#include "prm-regbits-33xx.h" +#include "prm33xx.h" + +/** + * am3xx_restart - trigger a software restart of the SoC + * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c + * @cmd: passed from the userspace program rebooting the system (if provided) + * + * Resets the SoC. For @cmd, see the 'reboot' syscall in + * kernel/sys.c. No return value. + */ +void am33xx_restart(char mode, const char *cmd) +{ + /* TODO: Handle mode and cmd if necessary */ + + am33xx_prm_rmw_reg_bits(AM33XX_GLOBAL_WARM_SW_RST_MASK, + AM33XX_GLOBAL_WARM_SW_RST_MASK, + AM33XX_PRM_DEVICE_MOD, + AM33XX_PRM_RSTCTRL_OFFSET); + + /* OCP barrier */ + (void)am33xx_prm_read_reg(AM33XX_PRM_DEVICE_MOD, + AM33XX_PRM_RSTCTRL_OFFSET); +} diff --git a/arch/arm/mach-omap2/am35xx-emac.c b/arch/arm/mach-omap2/am35xx-emac.c index af11dcdb7e2c..25b79a297365 100644 --- a/arch/arm/mach-omap2/am35xx-emac.c +++ b/arch/arm/mach-omap2/am35xx-emac.c @@ -62,8 +62,7 @@ static int __init omap_davinci_emac_dev_init(struct omap_hwmod *oh, { struct platform_device *pdev; - pdev = omap_device_build(oh->class->name, 0, oh, pdata, pdata_len, - NULL, 0, false); + pdev = omap_device_build(oh->class->name, 0, oh, pdata, pdata_len); if (IS_ERR(pdev)) { WARN(1, "Can't build omap_device for %s:%s.\n", oh->class->name, oh->name); diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 53cb380b7877..fac00f0960be 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -141,6 +141,7 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") .init_machine = omap_generic_init, .timer = &omap3_am33xx_timer, .dt_compat = am33xx_boards_compat, + .restart = am33xx_restart, MACHINE_END #endif diff --git a/arch/arm/mach-omap2/cclock2420_data.c b/arch/arm/mach-omap2/cclock2420_data.c index ab7e952d2070..0f0a97c1fcc0 100644 --- a/arch/arm/mach-omap2/cclock2420_data.c +++ b/arch/arm/mach-omap2/cclock2420_data.c @@ -622,15 +622,10 @@ static struct clk_hw_omap gpios_fck_hw = { DEFINE_STRUCT_CLK(gpios_fck, gpios_fck_parent_names, aes_ick_ops); -static struct clk wu_l4_ick; - -DEFINE_STRUCT_CLK_HW_OMAP(wu_l4_ick, "wkup_clkdm"); -DEFINE_STRUCT_CLK(wu_l4_ick, dpll_ck_parent_names, core_ck_ops); - static struct clk gpios_ick; static const char *gpios_ick_parent_names[] = { - "wu_l4_ick", + "sys_ck", }; static struct clk_hw_omap gpios_ick_hw = { @@ -1682,13 +1677,6 @@ static struct clk_hw_omap wdt1_ick_hw = { DEFINE_STRUCT_CLK(wdt1_ick, gpios_ick_parent_names, aes_ick_ops); -static struct clk wdt1_osc_ck; - -static const struct clk_ops wdt1_osc_ck_ops = {}; - -DEFINE_STRUCT_CLK_HW_OMAP(wdt1_osc_ck, NULL); -DEFINE_STRUCT_CLK(wdt1_osc_ck, sys_ck_parent_names, wdt1_osc_ck_ops); - static struct clk wdt3_fck; static struct clk_hw_omap wdt3_fck_hw = { @@ -1767,7 +1755,6 @@ static struct omap_clk omap2420_clks[] = { CLK(NULL, "func_96m_ck", &func_96m_ck, CK_242X), CLK(NULL, "func_48m_ck", &func_48m_ck, CK_242X), CLK(NULL, "func_12m_ck", &func_12m_ck, CK_242X), - CLK(NULL, "ck_wdt1_osc", &wdt1_osc_ck, CK_242X), CLK(NULL, "sys_clkout_src", &sys_clkout_src, CK_242X), CLK(NULL, "sys_clkout", &sys_clkout, CK_242X), CLK(NULL, "sys_clkout2_src", &sys_clkout2_src, CK_242X), @@ -1797,7 +1784,6 @@ static struct omap_clk omap2420_clks[] = { /* L4 domain clocks */ CLK(NULL, "l4_ck", &l4_ck, CK_242X), CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_242X), - CLK(NULL, "wu_l4_ick", &wu_l4_ick, CK_242X), /* virtual meta-group clock */ CLK(NULL, "virt_prcm_set", &virt_prcm_set, CK_242X), /* general l4 interface ck, multi-parent functional clk */ diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c index eb3dab68d536..aed8f74ca076 100644 --- a/arch/arm/mach-omap2/cclock2430_data.c +++ b/arch/arm/mach-omap2/cclock2430_data.c @@ -601,15 +601,10 @@ static struct clk_hw_omap gpios_fck_hw = { DEFINE_STRUCT_CLK(gpios_fck, gpio5_fck_parent_names, aes_ick_ops); -static struct clk wu_l4_ick; - -DEFINE_STRUCT_CLK_HW_OMAP(wu_l4_ick, "wkup_clkdm"); -DEFINE_STRUCT_CLK(wu_l4_ick, dpll_ck_parent_names, core_ck_ops); - static struct clk gpios_ick; static const char *gpios_ick_parent_names[] = { - "wu_l4_ick", + "sys_ck", }; static struct clk_hw_omap gpios_ick_hw = { @@ -1811,13 +1806,6 @@ static struct clk_hw_omap wdt1_ick_hw = { DEFINE_STRUCT_CLK(wdt1_ick, gpios_ick_parent_names, aes_ick_ops); -static struct clk wdt1_osc_ck; - -static const struct clk_ops wdt1_osc_ck_ops = {}; - -DEFINE_STRUCT_CLK_HW_OMAP(wdt1_osc_ck, NULL); -DEFINE_STRUCT_CLK(wdt1_osc_ck, sys_ck_parent_names, wdt1_osc_ck_ops); - static struct clk wdt4_fck; static struct clk_hw_omap wdt4_fck_hw = { @@ -1869,7 +1857,6 @@ static struct omap_clk omap2430_clks[] = { CLK(NULL, "func_96m_ck", &func_96m_ck, CK_243X), CLK(NULL, "func_48m_ck", &func_48m_ck, CK_243X), CLK(NULL, "func_12m_ck", &func_12m_ck, CK_243X), - CLK(NULL, "ck_wdt1_osc", &wdt1_osc_ck, CK_243X), CLK(NULL, "sys_clkout_src", &sys_clkout_src, CK_243X), CLK(NULL, "sys_clkout", &sys_clkout, CK_243X), CLK(NULL, "emul_ck", &emul_ck, CK_243X), @@ -1898,7 +1885,6 @@ static struct omap_clk omap2430_clks[] = { /* L4 domain clocks */ CLK(NULL, "l4_ck", &l4_ck, CK_243X), CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_243X), - CLK(NULL, "wu_l4_ick", &wu_l4_ick, CK_243X), /* virtual meta-group clock */ CLK(NULL, "virt_prcm_set", &virt_prcm_set, CK_243X), /* general l4 interface ck, multi-parent functional clk */ diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c index e71a19ce3048..3d58f335f173 100644 --- a/arch/arm/mach-omap2/cclock44xx_data.c +++ b/arch/arm/mach-omap2/cclock44xx_data.c @@ -16,6 +16,10 @@ * XXX Some of the ES1 clocks have been removed/changed; once support * is added for discriminating clocks by ES level, these should be added back * in. + * + * XXX All of the remaining MODULEMODE clock nodes should be removed + * once the drivers are updated to use pm_runtime or to use the appropriate + * upstream clock node for rate/parent selection. */ #include <linux/kernel.h> @@ -315,7 +319,7 @@ DEFINE_CLK_DIVIDER(dpll_abe_m2_ck, "dpll_abe_ck", &dpll_abe_ck, 0x0, OMAP4430_CM_DIV_M2_DPLL_ABE, OMAP4430_DPLL_CLKOUT_DIV_SHIFT, OMAP4430_DPLL_CLKOUT_DIV_WIDTH, CLK_DIVIDER_ONE_BASED, NULL); -static const struct clk_ops dmic_fck_ops = { +static const struct clk_ops dpll_hsd_ops = { .enable = &omap2_dflt_clk_enable, .disable = &omap2_dflt_clk_disable, .is_enabled = &omap2_dflt_clk_is_enabled, @@ -325,6 +329,12 @@ static const struct clk_ops dmic_fck_ops = { .init = &omap2_init_clk_clkdm, }; +static const struct clk_ops func_dmic_abe_gfclk_ops = { + .recalc_rate = &omap2_clksel_recalc, + .get_parent = &omap2_clksel_find_parent_index, + .set_parent = &omap2_clksel_set_parent, +}; + static const char *dpll_core_m3x2_ck_parents[] = { "dpll_core_x2_ck", }; @@ -340,7 +350,7 @@ DEFINE_CLK_OMAP_MUX_GATE(dpll_core_m3x2_ck, NULL, dpll_core_m3x2_div, OMAP4430_DPLL_CLKOUTHIF_DIV_MASK, OMAP4430_CM_DIV_M3_DPLL_CORE, OMAP4430_DPLL_CLKOUTHIF_GATE_CTRL_SHIFT, NULL, - dpll_core_m3x2_ck_parents, dmic_fck_ops); + dpll_core_m3x2_ck_parents, dpll_hsd_ops); DEFINE_CLK_OMAP_HSDIVIDER(dpll_core_m7x2_ck, "dpll_core_x2_ck", &dpll_core_x2_ck, 0x0, OMAP4430_CM_DIV_M7_DPLL_CORE, @@ -547,7 +557,7 @@ DEFINE_CLK_OMAP_MUX_GATE(dpll_per_m3x2_ck, NULL, dpll_per_m3x2_div, OMAP4430_DPLL_CLKOUTHIF_DIV_MASK, OMAP4430_CM_DIV_M3_DPLL_PER, OMAP4430_DPLL_CLKOUTHIF_GATE_CTRL_SHIFT, NULL, - dpll_per_m3x2_ck_parents, dmic_fck_ops); + dpll_per_m3x2_ck_parents, dpll_hsd_ops); DEFINE_CLK_OMAP_HSDIVIDER(dpll_per_m4x2_ck, "dpll_per_x2_ck", &dpll_per_x2_ck, 0x0, OMAP4430_CM_DIV_M4_DPLL_PER, @@ -760,10 +770,6 @@ DEFINE_CLK_GATE(aes2_fck, "l3_div_ck", &l3_div_ck, 0x0, OMAP4430_CM_L4SEC_AES2_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(aess_fck, "aess_fclk", &aess_fclk, 0x0, - OMAP4430_CM1_ABE_AESS_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); - DEFINE_CLK_GATE(bandgap_fclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_WKUP_BANDGAP_CLKCTRL, OMAP4430_OPTFCLKEN_BGAP_32K_SHIFT, 0x0, NULL); @@ -785,11 +791,6 @@ DEFINE_CLK_GATE(bandgap_ts_fclk, "div_ts_ck", &div_ts_ck, 0x0, OMAP4460_OPTFCLKEN_TS_FCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(des3des_fck, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4SEC_DES3DES_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); - static const char *dmic_sync_mux_ck_parents[] = { "abe_24m_fclk", "syc_clk_div_ck", "func_24m_clk", }; @@ -806,23 +807,13 @@ static const struct clksel func_dmic_abe_gfclk_sel[] = { { .parent = NULL }, }; -static const char *dmic_fck_parents[] = { +static const char *func_dmic_abe_gfclk_parents[] = { "dmic_sync_mux_ck", "pad_clks_ck", "slimbus_clk", }; -/* Merged func_dmic_abe_gfclk into dmic */ -static struct clk dmic_fck; - -DEFINE_CLK_OMAP_MUX_GATE(dmic_fck, "abe_clkdm", func_dmic_abe_gfclk_sel, - OMAP4430_CM1_ABE_DMIC_CLKCTRL, - OMAP4430_CLKSEL_SOURCE_MASK, - OMAP4430_CM1_ABE_DMIC_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - dmic_fck_parents, dmic_fck_ops); - -DEFINE_CLK_GATE(dsp_fck, "dpll_iva_m4x2_ck", &dpll_iva_m4x2_ck, 0x0, - OMAP4430_CM_TESLA_TESLA_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(func_dmic_abe_gfclk, "abe_clkdm", func_dmic_abe_gfclk_sel, + OMAP4430_CM1_ABE_DMIC_CLKCTRL, OMAP4430_CLKSEL_SOURCE_MASK, + func_dmic_abe_gfclk_parents, func_dmic_abe_gfclk_ops); DEFINE_CLK_GATE(dss_sys_clk, "syc_clk_div_ck", &syc_clk_div_ck, 0x0, OMAP4430_CM_DSS_DSS_CLKCTRL, @@ -844,177 +835,57 @@ DEFINE_CLK_GATE(dss_fck, "l3_div_ck", &l3_div_ck, 0x0, OMAP4430_CM_DSS_DSS_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(efuse_ctrl_cust_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0, - OMAP4430_CM_CEFUSE_CEFUSE_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(emif1_fck, "ddrphy_ck", &ddrphy_ck, 0x0, - OMAP4430_CM_MEMIF_EMIF_1_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(emif2_fck, "ddrphy_ck", &ddrphy_ck, 0x0, - OMAP4430_CM_MEMIF_EMIF_2_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_DIVIDER(fdif_fck, "dpll_per_m4x2_ck", &dpll_per_m4x2_ck, 0x0, OMAP4430_CM_CAM_FDIF_CLKCTRL, OMAP4430_CLKSEL_FCLK_SHIFT, OMAP4430_CLKSEL_FCLK_WIDTH, CLK_DIVIDER_POWER_OF_TWO, NULL); -DEFINE_CLK_GATE(fpka_fck, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4SEC_PKAEIP29_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(gpio1_dbclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_WKUP_GPIO1_CLKCTRL, OMAP4430_OPTFCLKEN_DBCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(gpio1_ick, "l4_wkup_clk_mux_ck", &l4_wkup_clk_mux_ck, 0x0, - OMAP4430_CM_WKUP_GPIO1_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(gpio2_dbclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_L4PER_GPIO2_CLKCTRL, OMAP4430_OPTFCLKEN_DBCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(gpio2_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4PER_GPIO2_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(gpio3_dbclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_L4PER_GPIO3_CLKCTRL, OMAP4430_OPTFCLKEN_DBCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(gpio3_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4PER_GPIO3_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(gpio4_dbclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_L4PER_GPIO4_CLKCTRL, OMAP4430_OPTFCLKEN_DBCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(gpio4_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4PER_GPIO4_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(gpio5_dbclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_L4PER_GPIO5_CLKCTRL, OMAP4430_OPTFCLKEN_DBCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(gpio5_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4PER_GPIO5_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(gpio6_dbclk, "sys_32k_ck", &sys_32k_ck, 0x0, OMAP4430_CM_L4PER_GPIO6_CLKCTRL, OMAP4430_OPTFCLKEN_DBCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(gpio6_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4PER_GPIO6_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(gpmc_ick, "l3_div_ck", &l3_div_ck, 0x0, - OMAP4430_CM_L3_2_GPMC_CLKCTRL, OMAP4430_MODULEMODE_HWCTRL_SHIFT, - 0x0, NULL); - static const struct clksel sgx_clk_mux_sel[] = { { .parent = &dpll_core_m7x2_ck, .rates = div_1_0_rates }, { .parent = &dpll_per_m7x2_ck, .rates = div_1_1_rates }, { .parent = NULL }, }; -static const char *gpu_fck_parents[] = { +static const char *sgx_clk_mux_parents[] = { "dpll_core_m7x2_ck", "dpll_per_m7x2_ck", }; -/* Merged sgx_clk_mux into gpu */ -DEFINE_CLK_OMAP_MUX_GATE(gpu_fck, "l3_gfx_clkdm", sgx_clk_mux_sel, - OMAP4430_CM_GFX_GFX_CLKCTRL, - OMAP4430_CLKSEL_SGX_FCLK_MASK, - OMAP4430_CM_GFX_GFX_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - gpu_fck_parents, dmic_fck_ops); - -DEFINE_CLK_GATE(hdq1w_fck, "func_12m_fclk", &func_12m_fclk, 0x0, - OMAP4430_CM_L4PER_HDQ1W_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(sgx_clk_mux, "l3_gfx_clkdm", sgx_clk_mux_sel, + OMAP4430_CM_GFX_GFX_CLKCTRL, OMAP4430_CLKSEL_SGX_FCLK_MASK, + sgx_clk_mux_parents, func_dmic_abe_gfclk_ops); DEFINE_CLK_DIVIDER(hsi_fck, "dpll_per_m2x2_ck", &dpll_per_m2x2_ck, 0x0, OMAP4430_CM_L3INIT_HSI_CLKCTRL, OMAP4430_CLKSEL_24_25_SHIFT, OMAP4430_CLKSEL_24_25_WIDTH, CLK_DIVIDER_POWER_OF_TWO, NULL); -DEFINE_CLK_GATE(i2c1_fck, "func_96m_fclk", &func_96m_fclk, 0x0, - OMAP4430_CM_L4PER_I2C1_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(i2c2_fck, "func_96m_fclk", &func_96m_fclk, 0x0, - OMAP4430_CM_L4PER_I2C2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(i2c3_fck, "func_96m_fclk", &func_96m_fclk, 0x0, - OMAP4430_CM_L4PER_I2C3_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(i2c4_fck, "func_96m_fclk", &func_96m_fclk, 0x0, - OMAP4430_CM_L4PER_I2C4_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(ipu_fck, "ducati_clk_mux_ck", &ducati_clk_mux_ck, 0x0, - OMAP4430_CM_DUCATI_DUCATI_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(iss_ctrlclk, "func_96m_fclk", &func_96m_fclk, 0x0, OMAP4430_CM_CAM_ISS_CLKCTRL, OMAP4430_OPTFCLKEN_CTRLCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(iss_fck, "ducati_clk_mux_ck", &ducati_clk_mux_ck, 0x0, - OMAP4430_CM_CAM_ISS_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); - -DEFINE_CLK_GATE(iva_fck, "dpll_iva_m5x2_ck", &dpll_iva_m5x2_ck, 0x0, - OMAP4430_CM_IVAHD_IVAHD_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(kbd_fck, "sys_32k_ck", &sys_32k_ck, 0x0, - OMAP4430_CM_WKUP_KEYBOARD_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -static struct clk l3_instr_ick; - -static const char *l3_instr_ick_parent_names[] = { - "l3_div_ck", -}; - -static const struct clk_ops l3_instr_ick_ops = { - .enable = &omap2_dflt_clk_enable, - .disable = &omap2_dflt_clk_disable, - .is_enabled = &omap2_dflt_clk_is_enabled, - .init = &omap2_init_clk_clkdm, -}; - -static struct clk_hw_omap l3_instr_ick_hw = { - .hw = { - .clk = &l3_instr_ick, - }, - .enable_reg = OMAP4430_CM_L3INSTR_L3_INSTR_CLKCTRL, - .enable_bit = OMAP4430_MODULEMODE_HWCTRL_SHIFT, - .clkdm_name = "l3_instr_clkdm", -}; - -DEFINE_STRUCT_CLK(l3_instr_ick, l3_instr_ick_parent_names, l3_instr_ick_ops); - -static struct clk l3_main_3_ick; -static struct clk_hw_omap l3_main_3_ick_hw = { - .hw = { - .clk = &l3_main_3_ick, - }, - .enable_reg = OMAP4430_CM_L3INSTR_L3_3_CLKCTRL, - .enable_bit = OMAP4430_MODULEMODE_HWCTRL_SHIFT, - .clkdm_name = "l3_instr_clkdm", -}; - -DEFINE_STRUCT_CLK(l3_main_3_ick, l3_instr_ick_parent_names, l3_instr_ick_ops); - DEFINE_CLK_MUX(mcasp_sync_mux_ck, dmic_sync_mux_ck_parents, NULL, 0x0, OMAP4430_CM1_ABE_MCASP_CLKCTRL, OMAP4430_CLKSEL_INTERNAL_SOURCE_SHIFT, @@ -1027,17 +898,13 @@ static const struct clksel func_mcasp_abe_gfclk_sel[] = { { .parent = NULL }, }; -static const char *mcasp_fck_parents[] = { +static const char *func_mcasp_abe_gfclk_parents[] = { "mcasp_sync_mux_ck", "pad_clks_ck", "slimbus_clk", }; -/* Merged func_mcasp_abe_gfclk into mcasp */ -DEFINE_CLK_OMAP_MUX_GATE(mcasp_fck, "abe_clkdm", func_mcasp_abe_gfclk_sel, - OMAP4430_CM1_ABE_MCASP_CLKCTRL, - OMAP4430_CLKSEL_SOURCE_MASK, - OMAP4430_CM1_ABE_MCASP_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mcasp_fck_parents, dmic_fck_ops); +DEFINE_CLK_OMAP_MUX(func_mcasp_abe_gfclk, "abe_clkdm", func_mcasp_abe_gfclk_sel, + OMAP4430_CM1_ABE_MCASP_CLKCTRL, OMAP4430_CLKSEL_SOURCE_MASK, + func_mcasp_abe_gfclk_parents, func_dmic_abe_gfclk_ops); DEFINE_CLK_MUX(mcbsp1_sync_mux_ck, dmic_sync_mux_ck_parents, NULL, 0x0, OMAP4430_CM1_ABE_MCBSP1_CLKCTRL, @@ -1051,17 +918,14 @@ static const struct clksel func_mcbsp1_gfclk_sel[] = { { .parent = NULL }, }; -static const char *mcbsp1_fck_parents[] = { +static const char *func_mcbsp1_gfclk_parents[] = { "mcbsp1_sync_mux_ck", "pad_clks_ck", "slimbus_clk", }; -/* Merged func_mcbsp1_gfclk into mcbsp1 */ -DEFINE_CLK_OMAP_MUX_GATE(mcbsp1_fck, "abe_clkdm", func_mcbsp1_gfclk_sel, - OMAP4430_CM1_ABE_MCBSP1_CLKCTRL, - OMAP4430_CLKSEL_SOURCE_MASK, - OMAP4430_CM1_ABE_MCBSP1_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mcbsp1_fck_parents, dmic_fck_ops); +DEFINE_CLK_OMAP_MUX(func_mcbsp1_gfclk, "abe_clkdm", func_mcbsp1_gfclk_sel, + OMAP4430_CM1_ABE_MCBSP1_CLKCTRL, + OMAP4430_CLKSEL_SOURCE_MASK, func_mcbsp1_gfclk_parents, + func_dmic_abe_gfclk_ops); DEFINE_CLK_MUX(mcbsp2_sync_mux_ck, dmic_sync_mux_ck_parents, NULL, 0x0, OMAP4430_CM1_ABE_MCBSP2_CLKCTRL, @@ -1075,17 +939,14 @@ static const struct clksel func_mcbsp2_gfclk_sel[] = { { .parent = NULL }, }; -static const char *mcbsp2_fck_parents[] = { +static const char *func_mcbsp2_gfclk_parents[] = { "mcbsp2_sync_mux_ck", "pad_clks_ck", "slimbus_clk", }; -/* Merged func_mcbsp2_gfclk into mcbsp2 */ -DEFINE_CLK_OMAP_MUX_GATE(mcbsp2_fck, "abe_clkdm", func_mcbsp2_gfclk_sel, - OMAP4430_CM1_ABE_MCBSP2_CLKCTRL, - OMAP4430_CLKSEL_SOURCE_MASK, - OMAP4430_CM1_ABE_MCBSP2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mcbsp2_fck_parents, dmic_fck_ops); +DEFINE_CLK_OMAP_MUX(func_mcbsp2_gfclk, "abe_clkdm", func_mcbsp2_gfclk_sel, + OMAP4430_CM1_ABE_MCBSP2_CLKCTRL, + OMAP4430_CLKSEL_SOURCE_MASK, func_mcbsp2_gfclk_parents, + func_dmic_abe_gfclk_ops); DEFINE_CLK_MUX(mcbsp3_sync_mux_ck, dmic_sync_mux_ck_parents, NULL, 0x0, OMAP4430_CM1_ABE_MCBSP3_CLKCTRL, @@ -1099,17 +960,14 @@ static const struct clksel func_mcbsp3_gfclk_sel[] = { { .parent = NULL }, }; -static const char *mcbsp3_fck_parents[] = { +static const char *func_mcbsp3_gfclk_parents[] = { "mcbsp3_sync_mux_ck", "pad_clks_ck", "slimbus_clk", }; -/* Merged func_mcbsp3_gfclk into mcbsp3 */ -DEFINE_CLK_OMAP_MUX_GATE(mcbsp3_fck, "abe_clkdm", func_mcbsp3_gfclk_sel, - OMAP4430_CM1_ABE_MCBSP3_CLKCTRL, - OMAP4430_CLKSEL_SOURCE_MASK, - OMAP4430_CM1_ABE_MCBSP3_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mcbsp3_fck_parents, dmic_fck_ops); +DEFINE_CLK_OMAP_MUX(func_mcbsp3_gfclk, "abe_clkdm", func_mcbsp3_gfclk_sel, + OMAP4430_CM1_ABE_MCBSP3_CLKCTRL, + OMAP4430_CLKSEL_SOURCE_MASK, func_mcbsp3_gfclk_parents, + func_dmic_abe_gfclk_ops); static const char *mcbsp4_sync_mux_ck_parents[] = { "func_96m_fclk", "per_abe_nc_fclk", @@ -1126,37 +984,14 @@ static const struct clksel per_mcbsp4_gfclk_sel[] = { { .parent = NULL }, }; -static const char *mcbsp4_fck_parents[] = { +static const char *per_mcbsp4_gfclk_parents[] = { "mcbsp4_sync_mux_ck", "pad_clks_ck", }; -/* Merged per_mcbsp4_gfclk into mcbsp4 */ -DEFINE_CLK_OMAP_MUX_GATE(mcbsp4_fck, "l4_per_clkdm", per_mcbsp4_gfclk_sel, - OMAP4430_CM_L4PER_MCBSP4_CLKCTRL, - OMAP4430_CLKSEL_SOURCE_24_24_MASK, - OMAP4430_CM_L4PER_MCBSP4_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mcbsp4_fck_parents, dmic_fck_ops); - -DEFINE_CLK_GATE(mcpdm_fck, "pad_clks_ck", &pad_clks_ck, 0x0, - OMAP4430_CM1_ABE_PDM_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); - -DEFINE_CLK_GATE(mcspi1_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MCSPI1_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(mcspi2_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MCSPI2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(mcspi3_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MCSPI3_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(mcspi4_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MCSPI4_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(per_mcbsp4_gfclk, "l4_per_clkdm", per_mcbsp4_gfclk_sel, + OMAP4430_CM_L4PER_MCBSP4_CLKCTRL, + OMAP4430_CLKSEL_SOURCE_24_24_MASK, per_mcbsp4_gfclk_parents, + func_dmic_abe_gfclk_ops); static const struct clksel hsmmc1_fclk_sel[] = { { .parent = &func_64m_fclk, .rates = div_1_0_rates }, @@ -1164,69 +999,22 @@ static const struct clksel hsmmc1_fclk_sel[] = { { .parent = NULL }, }; -static const char *mmc1_fck_parents[] = { +static const char *hsmmc1_fclk_parents[] = { "func_64m_fclk", "func_96m_fclk", }; -/* Merged hsmmc1_fclk into mmc1 */ -DEFINE_CLK_OMAP_MUX_GATE(mmc1_fck, "l3_init_clkdm", hsmmc1_fclk_sel, - OMAP4430_CM_L3INIT_MMC1_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L3INIT_MMC1_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mmc1_fck_parents, dmic_fck_ops); - -/* Merged hsmmc2_fclk into mmc2 */ -DEFINE_CLK_OMAP_MUX_GATE(mmc2_fck, "l3_init_clkdm", hsmmc1_fclk_sel, - OMAP4430_CM_L3INIT_MMC2_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L3INIT_MMC2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - mmc1_fck_parents, dmic_fck_ops); - -DEFINE_CLK_GATE(mmc3_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MMCSD3_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(mmc4_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MMCSD4_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(mmc5_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_MMCSD5_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(ocp2scp_usb_phy_phy_48m, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL, - OMAP4430_OPTFCLKEN_PHY_48M_SHIFT, 0x0, NULL); - -DEFINE_CLK_GATE(ocp2scp_usb_phy_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL, - OMAP4430_MODULEMODE_HWCTRL_SHIFT, 0x0, NULL); - -static struct clk ocp_wp_noc_ick; - -static struct clk_hw_omap ocp_wp_noc_ick_hw = { - .hw = { - .clk = &ocp_wp_noc_ick, - }, - .enable_reg = OMAP4430_CM_L3INSTR_OCP_WP1_CLKCTRL, - .enable_bit = OMAP4430_MODULEMODE_HWCTRL_SHIFT, - .clkdm_name = "l3_instr_clkdm", -}; - -DEFINE_STRUCT_CLK(ocp_wp_noc_ick, l3_instr_ick_parent_names, l3_instr_ick_ops); +DEFINE_CLK_OMAP_MUX(hsmmc1_fclk, "l3_init_clkdm", hsmmc1_fclk_sel, + OMAP4430_CM_L3INIT_MMC1_CLKCTRL, OMAP4430_CLKSEL_MASK, + hsmmc1_fclk_parents, func_dmic_abe_gfclk_ops); -DEFINE_CLK_GATE(rng_ick, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4SEC_RNG_CLKCTRL, OMAP4430_MODULEMODE_HWCTRL_SHIFT, - 0x0, NULL); +DEFINE_CLK_OMAP_MUX(hsmmc2_fclk, "l3_init_clkdm", hsmmc1_fclk_sel, + OMAP4430_CM_L3INIT_MMC2_CLKCTRL, OMAP4430_CLKSEL_MASK, + hsmmc1_fclk_parents, func_dmic_abe_gfclk_ops); DEFINE_CLK_GATE(sha2md5_fck, "l3_div_ck", &l3_div_ck, 0x0, OMAP4430_CM_L4SEC_SHA2MD51_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(sl2if_ick, "dpll_iva_m5x2_ck", &dpll_iva_m5x2_ck, 0x0, - OMAP4430_CM_IVAHD_SL2_CLKCTRL, OMAP4430_MODULEMODE_HWCTRL_SHIFT, - 0x0, NULL); - DEFINE_CLK_GATE(slimbus1_fclk_1, "func_24m_clk", &func_24m_clk, 0x0, OMAP4430_CM1_ABE_SLIMBUS_CLKCTRL, OMAP4430_OPTFCLKEN_FCLK1_SHIFT, 0x0, NULL); @@ -1243,10 +1031,6 @@ DEFINE_CLK_GATE(slimbus1_slimbus_clk, "slimbus_clk", &slimbus_clk, 0x0, OMAP4430_CM1_ABE_SLIMBUS_CLKCTRL, OMAP4430_OPTFCLKEN_SLIMBUS_CLK_11_11_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(slimbus1_fck, "ocp_abe_iclk", &ocp_abe_iclk, 0x0, - OMAP4430_CM1_ABE_SLIMBUS_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(slimbus2_fclk_1, "per_abe_24m_fclk", &per_abe_24m_fclk, 0x0, OMAP4430_CM_L4PER_SLIMBUS2_CLKCTRL, OMAP4430_OPTFCLKEN_PERABE24M_GFCLK_SHIFT, 0x0, NULL); @@ -1260,10 +1044,6 @@ DEFINE_CLK_GATE(slimbus2_slimbus_clk, "pad_slimbus_core_clks_ck", OMAP4430_CM_L4PER_SLIMBUS2_CLKCTRL, OMAP4430_OPTFCLKEN_SLIMBUS_CLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(slimbus2_fck, "l4_div_ck", &l4_div_ck, 0x0, - OMAP4430_CM_L4PER_SLIMBUS2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); - DEFINE_CLK_GATE(smartreflex_core_fck, "l4_wkup_clk_mux_ck", &l4_wkup_clk_mux_ck, 0x0, OMAP4430_CM_ALWON_SR_CORE_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); @@ -1282,52 +1062,35 @@ static const struct clksel dmt1_clk_mux_sel[] = { { .parent = NULL }, }; -/* Merged dmt1_clk_mux into timer1 */ -DEFINE_CLK_OMAP_MUX_GATE(timer1_fck, "l4_wkup_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_WKUP_TIMER1_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM_WKUP_TIMER1_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); - -/* Merged cm2_dm10_mux into timer10 */ -DEFINE_CLK_OMAP_MUX_GATE(timer10_fck, "l4_per_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_L4PER_DMTIMER10_CLKCTRL, - OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L4PER_DMTIMER10_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); - -/* Merged cm2_dm11_mux into timer11 */ -DEFINE_CLK_OMAP_MUX_GATE(timer11_fck, "l4_per_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_L4PER_DMTIMER11_CLKCTRL, - OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L4PER_DMTIMER11_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); - -/* Merged cm2_dm2_mux into timer2 */ -DEFINE_CLK_OMAP_MUX_GATE(timer2_fck, "l4_per_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_L4PER_DMTIMER2_CLKCTRL, - OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L4PER_DMTIMER2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); - -/* Merged cm2_dm3_mux into timer3 */ -DEFINE_CLK_OMAP_MUX_GATE(timer3_fck, "l4_per_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_L4PER_DMTIMER3_CLKCTRL, - OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L4PER_DMTIMER3_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); - -/* Merged cm2_dm4_mux into timer4 */ -DEFINE_CLK_OMAP_MUX_GATE(timer4_fck, "l4_per_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_L4PER_DMTIMER4_CLKCTRL, - OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L4PER_DMTIMER4_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); +DEFINE_CLK_OMAP_MUX(dmt1_clk_mux, "l4_wkup_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_WKUP_TIMER1_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); + +DEFINE_CLK_OMAP_MUX(cm2_dm10_mux, "l4_per_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_L4PER_DMTIMER10_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); + +DEFINE_CLK_OMAP_MUX(cm2_dm11_mux, "l4_per_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_L4PER_DMTIMER11_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); + +DEFINE_CLK_OMAP_MUX(cm2_dm2_mux, "l4_per_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_L4PER_DMTIMER2_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); + +DEFINE_CLK_OMAP_MUX(cm2_dm3_mux, "l4_per_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_L4PER_DMTIMER3_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); + +DEFINE_CLK_OMAP_MUX(cm2_dm4_mux, "l4_per_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_L4PER_DMTIMER4_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); static const struct clksel timer5_sync_mux_sel[] = { { .parent = &syc_clk_div_ck, .rates = div_1_0_rates }, @@ -1335,61 +1098,30 @@ static const struct clksel timer5_sync_mux_sel[] = { { .parent = NULL }, }; -static const char *timer5_fck_parents[] = { +static const char *timer5_sync_mux_parents[] = { "syc_clk_div_ck", "sys_32k_ck", }; -/* Merged timer5_sync_mux into timer5 */ -DEFINE_CLK_OMAP_MUX_GATE(timer5_fck, "abe_clkdm", timer5_sync_mux_sel, - OMAP4430_CM1_ABE_TIMER5_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM1_ABE_TIMER5_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - timer5_fck_parents, dmic_fck_ops); - -/* Merged timer6_sync_mux into timer6 */ -DEFINE_CLK_OMAP_MUX_GATE(timer6_fck, "abe_clkdm", timer5_sync_mux_sel, - OMAP4430_CM1_ABE_TIMER6_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM1_ABE_TIMER6_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - timer5_fck_parents, dmic_fck_ops); - -/* Merged timer7_sync_mux into timer7 */ -DEFINE_CLK_OMAP_MUX_GATE(timer7_fck, "abe_clkdm", timer5_sync_mux_sel, - OMAP4430_CM1_ABE_TIMER7_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM1_ABE_TIMER7_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - timer5_fck_parents, dmic_fck_ops); - -/* Merged timer8_sync_mux into timer8 */ -DEFINE_CLK_OMAP_MUX_GATE(timer8_fck, "abe_clkdm", timer5_sync_mux_sel, - OMAP4430_CM1_ABE_TIMER8_CLKCTRL, OMAP4430_CLKSEL_MASK, - OMAP4430_CM1_ABE_TIMER8_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - timer5_fck_parents, dmic_fck_ops); - -/* Merged cm2_dm9_mux into timer9 */ -DEFINE_CLK_OMAP_MUX_GATE(timer9_fck, "l4_per_clkdm", dmt1_clk_mux_sel, - OMAP4430_CM_L4PER_DMTIMER9_CLKCTRL, - OMAP4430_CLKSEL_MASK, - OMAP4430_CM_L4PER_DMTIMER9_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, NULL, - abe_dpll_bypass_clk_mux_ck_parents, dmic_fck_ops); - -DEFINE_CLK_GATE(uart1_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_UART1_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(timer5_sync_mux, "abe_clkdm", timer5_sync_mux_sel, + OMAP4430_CM1_ABE_TIMER5_CLKCTRL, OMAP4430_CLKSEL_MASK, + timer5_sync_mux_parents, func_dmic_abe_gfclk_ops); -DEFINE_CLK_GATE(uart2_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_UART2_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(timer6_sync_mux, "abe_clkdm", timer5_sync_mux_sel, + OMAP4430_CM1_ABE_TIMER6_CLKCTRL, OMAP4430_CLKSEL_MASK, + timer5_sync_mux_parents, func_dmic_abe_gfclk_ops); -DEFINE_CLK_GATE(uart3_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_UART3_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(timer7_sync_mux, "abe_clkdm", timer5_sync_mux_sel, + OMAP4430_CM1_ABE_TIMER7_CLKCTRL, OMAP4430_CLKSEL_MASK, + timer5_sync_mux_parents, func_dmic_abe_gfclk_ops); -DEFINE_CLK_GATE(uart4_fck, "func_48m_fclk", &func_48m_fclk, 0x0, - OMAP4430_CM_L4PER_UART4_CLKCTRL, - OMAP4430_MODULEMODE_SWCTRL_SHIFT, 0x0, NULL); +DEFINE_CLK_OMAP_MUX(timer8_sync_mux, "abe_clkdm", timer5_sync_mux_sel, + OMAP4430_CM1_ABE_TIMER8_CLKCTRL, OMAP4430_CLKSEL_MASK, + timer5_sync_mux_parents, func_dmic_abe_gfclk_ops); + +DEFINE_CLK_OMAP_MUX(cm2_dm9_mux, "l4_per_clkdm", dmt1_clk_mux_sel, + OMAP4430_CM_L4PER_DMTIMER9_CLKCTRL, OMAP4430_CLKSEL_MASK, + abe_dpll_bypass_clk_mux_ck_parents, + func_dmic_abe_gfclk_ops); static struct clk usb_host_fs_fck; @@ -1523,18 +1255,6 @@ DEFINE_CLK_GATE(usim_fclk, "usim_ck", &usim_ck, 0x0, OMAP4430_CM_WKUP_USIM_CLKCTRL, OMAP4430_OPTFCLKEN_FCLK_SHIFT, 0x0, NULL); -DEFINE_CLK_GATE(usim_fck, "sys_32k_ck", &sys_32k_ck, 0x0, - OMAP4430_CM_WKUP_USIM_CLKCTRL, OMAP4430_MODULEMODE_HWCTRL_SHIFT, - 0x0, NULL); - -DEFINE_CLK_GATE(wd_timer2_fck, "sys_32k_ck", &sys_32k_ck, 0x0, - OMAP4430_CM_WKUP_WDT2_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); - -DEFINE_CLK_GATE(wd_timer3_fck, "sys_32k_ck", &sys_32k_ck, 0x0, - OMAP4430_CM1_ABE_WDT3_CLKCTRL, OMAP4430_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); - /* Remaining optional clocks */ static const char *pmd_stm_clock_mux_ck_parents[] = { "sys_clkin_ck", "dpll_core_m6x2_ck", "tie_low_clock_ck", @@ -1785,106 +1505,61 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "syc_clk_div_ck", &syc_clk_div_ck, CK_443X), CLK(NULL, "aes1_fck", &aes1_fck, CK_443X), CLK(NULL, "aes2_fck", &aes2_fck, CK_443X), - CLK(NULL, "aess_fck", &aess_fck, CK_443X), CLK(NULL, "bandgap_fclk", &bandgap_fclk, CK_443X), CLK(NULL, "div_ts_ck", &div_ts_ck, CK_446X), CLK(NULL, "bandgap_ts_fclk", &bandgap_ts_fclk, CK_446X), - CLK(NULL, "des3des_fck", &des3des_fck, CK_443X), CLK(NULL, "dmic_sync_mux_ck", &dmic_sync_mux_ck, CK_443X), - CLK(NULL, "dmic_fck", &dmic_fck, CK_443X), - CLK(NULL, "dsp_fck", &dsp_fck, CK_443X), + CLK(NULL, "func_dmic_abe_gfclk", &func_dmic_abe_gfclk, CK_443X), CLK(NULL, "dss_sys_clk", &dss_sys_clk, CK_443X), CLK(NULL, "dss_tv_clk", &dss_tv_clk, CK_443X), CLK(NULL, "dss_dss_clk", &dss_dss_clk, CK_443X), CLK(NULL, "dss_48mhz_clk", &dss_48mhz_clk, CK_443X), CLK(NULL, "dss_fck", &dss_fck, CK_443X), CLK("omapdss_dss", "ick", &dss_fck, CK_443X), - CLK(NULL, "efuse_ctrl_cust_fck", &efuse_ctrl_cust_fck, CK_443X), - CLK(NULL, "emif1_fck", &emif1_fck, CK_443X), - CLK(NULL, "emif2_fck", &emif2_fck, CK_443X), CLK(NULL, "fdif_fck", &fdif_fck, CK_443X), - CLK(NULL, "fpka_fck", &fpka_fck, CK_443X), CLK(NULL, "gpio1_dbclk", &gpio1_dbclk, CK_443X), - CLK(NULL, "gpio1_ick", &gpio1_ick, CK_443X), CLK(NULL, "gpio2_dbclk", &gpio2_dbclk, CK_443X), - CLK(NULL, "gpio2_ick", &gpio2_ick, CK_443X), CLK(NULL, "gpio3_dbclk", &gpio3_dbclk, CK_443X), - CLK(NULL, "gpio3_ick", &gpio3_ick, CK_443X), CLK(NULL, "gpio4_dbclk", &gpio4_dbclk, CK_443X), - CLK(NULL, "gpio4_ick", &gpio4_ick, CK_443X), CLK(NULL, "gpio5_dbclk", &gpio5_dbclk, CK_443X), - CLK(NULL, "gpio5_ick", &gpio5_ick, CK_443X), CLK(NULL, "gpio6_dbclk", &gpio6_dbclk, CK_443X), - CLK(NULL, "gpio6_ick", &gpio6_ick, CK_443X), - CLK(NULL, "gpmc_ick", &gpmc_ick, CK_443X), - CLK(NULL, "gpu_fck", &gpu_fck, CK_443X), - CLK(NULL, "hdq1w_fck", &hdq1w_fck, CK_443X), + CLK(NULL, "sgx_clk_mux", &sgx_clk_mux, CK_443X), CLK(NULL, "hsi_fck", &hsi_fck, CK_443X), - CLK(NULL, "i2c1_fck", &i2c1_fck, CK_443X), - CLK(NULL, "i2c2_fck", &i2c2_fck, CK_443X), - CLK(NULL, "i2c3_fck", &i2c3_fck, CK_443X), - CLK(NULL, "i2c4_fck", &i2c4_fck, CK_443X), - CLK(NULL, "ipu_fck", &ipu_fck, CK_443X), CLK(NULL, "iss_ctrlclk", &iss_ctrlclk, CK_443X), - CLK(NULL, "iss_fck", &iss_fck, CK_443X), - CLK(NULL, "iva_fck", &iva_fck, CK_443X), - CLK(NULL, "kbd_fck", &kbd_fck, CK_443X), - CLK(NULL, "l3_instr_ick", &l3_instr_ick, CK_443X), - CLK(NULL, "l3_main_3_ick", &l3_main_3_ick, CK_443X), CLK(NULL, "mcasp_sync_mux_ck", &mcasp_sync_mux_ck, CK_443X), - CLK(NULL, "mcasp_fck", &mcasp_fck, CK_443X), + CLK(NULL, "func_mcasp_abe_gfclk", &func_mcasp_abe_gfclk, CK_443X), CLK(NULL, "mcbsp1_sync_mux_ck", &mcbsp1_sync_mux_ck, CK_443X), - CLK(NULL, "mcbsp1_fck", &mcbsp1_fck, CK_443X), + CLK(NULL, "func_mcbsp1_gfclk", &func_mcbsp1_gfclk, CK_443X), CLK(NULL, "mcbsp2_sync_mux_ck", &mcbsp2_sync_mux_ck, CK_443X), - CLK(NULL, "mcbsp2_fck", &mcbsp2_fck, CK_443X), + CLK(NULL, "func_mcbsp2_gfclk", &func_mcbsp2_gfclk, CK_443X), CLK(NULL, "mcbsp3_sync_mux_ck", &mcbsp3_sync_mux_ck, CK_443X), - CLK(NULL, "mcbsp3_fck", &mcbsp3_fck, CK_443X), + CLK(NULL, "func_mcbsp3_gfclk", &func_mcbsp3_gfclk, CK_443X), CLK(NULL, "mcbsp4_sync_mux_ck", &mcbsp4_sync_mux_ck, CK_443X), - CLK(NULL, "mcbsp4_fck", &mcbsp4_fck, CK_443X), - CLK(NULL, "mcpdm_fck", &mcpdm_fck, CK_443X), - CLK(NULL, "mcspi1_fck", &mcspi1_fck, CK_443X), - CLK(NULL, "mcspi2_fck", &mcspi2_fck, CK_443X), - CLK(NULL, "mcspi3_fck", &mcspi3_fck, CK_443X), - CLK(NULL, "mcspi4_fck", &mcspi4_fck, CK_443X), - CLK(NULL, "mmc1_fck", &mmc1_fck, CK_443X), - CLK(NULL, "mmc2_fck", &mmc2_fck, CK_443X), - CLK(NULL, "mmc3_fck", &mmc3_fck, CK_443X), - CLK(NULL, "mmc4_fck", &mmc4_fck, CK_443X), - CLK(NULL, "mmc5_fck", &mmc5_fck, CK_443X), - CLK(NULL, "ocp2scp_usb_phy_phy_48m", &ocp2scp_usb_phy_phy_48m, CK_443X), - CLK(NULL, "ocp2scp_usb_phy_ick", &ocp2scp_usb_phy_ick, CK_443X), - CLK(NULL, "ocp_wp_noc_ick", &ocp_wp_noc_ick, CK_443X), - CLK(NULL, "rng_ick", &rng_ick, CK_443X), - CLK("omap_rng", "ick", &rng_ick, CK_443X), + CLK(NULL, "per_mcbsp4_gfclk", &per_mcbsp4_gfclk, CK_443X), + CLK(NULL, "hsmmc1_fclk", &hsmmc1_fclk, CK_443X), + CLK(NULL, "hsmmc2_fclk", &hsmmc2_fclk, CK_443X), CLK(NULL, "sha2md5_fck", &sha2md5_fck, CK_443X), - CLK(NULL, "sl2if_ick", &sl2if_ick, CK_443X), CLK(NULL, "slimbus1_fclk_1", &slimbus1_fclk_1, CK_443X), CLK(NULL, "slimbus1_fclk_0", &slimbus1_fclk_0, CK_443X), CLK(NULL, "slimbus1_fclk_2", &slimbus1_fclk_2, CK_443X), CLK(NULL, "slimbus1_slimbus_clk", &slimbus1_slimbus_clk, CK_443X), - CLK(NULL, "slimbus1_fck", &slimbus1_fck, CK_443X), CLK(NULL, "slimbus2_fclk_1", &slimbus2_fclk_1, CK_443X), CLK(NULL, "slimbus2_fclk_0", &slimbus2_fclk_0, CK_443X), CLK(NULL, "slimbus2_slimbus_clk", &slimbus2_slimbus_clk, CK_443X), - CLK(NULL, "slimbus2_fck", &slimbus2_fck, CK_443X), CLK(NULL, "smartreflex_core_fck", &smartreflex_core_fck, CK_443X), CLK(NULL, "smartreflex_iva_fck", &smartreflex_iva_fck, CK_443X), CLK(NULL, "smartreflex_mpu_fck", &smartreflex_mpu_fck, CK_443X), - CLK(NULL, "timer1_fck", &timer1_fck, CK_443X), - CLK(NULL, "timer10_fck", &timer10_fck, CK_443X), - CLK(NULL, "timer11_fck", &timer11_fck, CK_443X), - CLK(NULL, "timer2_fck", &timer2_fck, CK_443X), - CLK(NULL, "timer3_fck", &timer3_fck, CK_443X), - CLK(NULL, "timer4_fck", &timer4_fck, CK_443X), - CLK(NULL, "timer5_fck", &timer5_fck, CK_443X), - CLK(NULL, "timer6_fck", &timer6_fck, CK_443X), - CLK(NULL, "timer7_fck", &timer7_fck, CK_443X), - CLK(NULL, "timer8_fck", &timer8_fck, CK_443X), - CLK(NULL, "timer9_fck", &timer9_fck, CK_443X), - CLK(NULL, "uart1_fck", &uart1_fck, CK_443X), - CLK(NULL, "uart2_fck", &uart2_fck, CK_443X), - CLK(NULL, "uart3_fck", &uart3_fck, CK_443X), - CLK(NULL, "uart4_fck", &uart4_fck, CK_443X), + CLK(NULL, "dmt1_clk_mux", &dmt1_clk_mux, CK_443X), + CLK(NULL, "cm2_dm10_mux", &cm2_dm10_mux, CK_443X), + CLK(NULL, "cm2_dm11_mux", &cm2_dm11_mux, CK_443X), + CLK(NULL, "cm2_dm2_mux", &cm2_dm2_mux, CK_443X), + CLK(NULL, "cm2_dm3_mux", &cm2_dm3_mux, CK_443X), + CLK(NULL, "cm2_dm4_mux", &cm2_dm4_mux, CK_443X), + CLK(NULL, "timer5_sync_mux", &timer5_sync_mux, CK_443X), + CLK(NULL, "timer6_sync_mux", &timer6_sync_mux, CK_443X), + CLK(NULL, "timer7_sync_mux", &timer7_sync_mux, CK_443X), + CLK(NULL, "timer8_sync_mux", &timer8_sync_mux, CK_443X), + CLK(NULL, "cm2_dm9_mux", &cm2_dm9_mux, CK_443X), CLK(NULL, "usb_host_fs_fck", &usb_host_fs_fck, CK_443X), CLK("usbhs_omap", "fs_fck", &usb_host_fs_fck, CK_443X), CLK(NULL, "utmi_p1_gfclk", &utmi_p1_gfclk, CK_443X), @@ -1912,9 +1587,6 @@ static struct omap_clk omap44xx_clks[] = { CLK("usbhs_tll", "usbtll_ick", &usb_tll_hs_ick, CK_443X), CLK(NULL, "usim_ck", &usim_ck, CK_443X), CLK(NULL, "usim_fclk", &usim_fclk, CK_443X), - CLK(NULL, "usim_fck", &usim_fck, CK_443X), - CLK(NULL, "wd_timer2_fck", &wd_timer2_fck, CK_443X), - CLK(NULL, "wd_timer3_fck", &wd_timer3_fck, CK_443X), CLK(NULL, "pmd_stm_clock_mux_ck", &pmd_stm_clock_mux_ck, CK_443X), CLK(NULL, "pmd_trace_clk_mux_ck", &pmd_trace_clk_mux_ck, CK_443X), CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck, CK_443X), @@ -1991,15 +1663,6 @@ static struct omap_clk omap44xx_clks[] = { CLK(NULL, "cpufreq_ck", &dpll_mpu_ck, CK_443X), }; -static const char *enable_init_clks[] = { - "emif1_fck", - "emif2_fck", - "gpmc_ick", - "l3_instr_ick", - "l3_main_3_ick", - "ocp_wp_noc_ick", -}; - int __init omap4xxx_clk_init(void) { u32 cpu_clkflg; @@ -2030,9 +1693,6 @@ int __init omap4xxx_clk_init(void) omap2_clk_disable_autoidle_all(); - omap2_clk_enable_init_clocks(enable_init_clks, - ARRAY_SIZE(enable_init_clks)); - /* * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power * state when turning the ABE clock domain. Workaround this by diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 7faf82d4e85c..2da3b5ec010c 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -92,8 +92,6 @@ static int _clkdm_register(struct clockdomain *clkdm) pwrdm_add_clkdm(pwrdm, clkdm); - spin_lock_init(&clkdm->lock); - pr_debug("clockdomain: registered %s\n", clkdm->name); return 0; @@ -122,7 +120,7 @@ static struct clkdm_dep *_clkdm_deps_lookup(struct clockdomain *clkdm, return cd; } -/* +/** * _autodep_lookup - resolve autodep clkdm names to clkdm pointers; store * @autodep: struct clkdm_autodep * to resolve * @@ -154,88 +152,206 @@ static void _autodep_lookup(struct clkdm_autodep *autodep) autodep->clkdm.ptr = clkdm; } -/* - * _clkdm_add_autodeps - add auto sleepdeps/wkdeps to clkdm upon clock enable - * @clkdm: struct clockdomain * +/** + * _resolve_clkdm_deps() - resolve clkdm_names in @clkdm_deps to clkdms + * @clkdm: clockdomain that we are resolving dependencies for + * @clkdm_deps: ptr to array of struct clkdm_deps to resolve * - * Add the "autodep" sleep & wakeup dependencies to clockdomain 'clkdm' - * in hardware-supervised mode. Meant to be called from clock framework - * when a clock inside clockdomain 'clkdm' is enabled. No return value. + * Iterates through @clkdm_deps, looking up the struct clockdomain named by + * clkdm_name and storing the clockdomain pointer in the struct clkdm_dep. + * No return value. + */ +static void _resolve_clkdm_deps(struct clockdomain *clkdm, + struct clkdm_dep *clkdm_deps) +{ + struct clkdm_dep *cd; + + for (cd = clkdm_deps; cd && cd->clkdm_name; cd++) { + if (cd->clkdm) + continue; + cd->clkdm = _clkdm_lookup(cd->clkdm_name); + + WARN(!cd->clkdm, "clockdomain: %s: could not find clkdm %s while resolving dependencies - should never happen", + clkdm->name, cd->clkdm_name); + } +} + +/** + * _clkdm_add_wkdep - add a wakeup dependency from clkdm2 to clkdm1 (lockless) + * @clkdm1: wake this struct clockdomain * up (dependent) + * @clkdm2: when this struct clockdomain * wakes up (source) * - * XXX autodeps are deprecated and should be removed at the earliest - * opportunity + * When the clockdomain represented by @clkdm2 wakes up, wake up + * @clkdm1. Implemented in hardware on the OMAP, this feature is + * designed to reduce wakeup latency of the dependent clockdomain @clkdm1. + * Returns -EINVAL if presented with invalid clockdomain pointers, + * -ENOENT if @clkdm2 cannot wake up clkdm1 in hardware, or 0 upon + * success. */ -void _clkdm_add_autodeps(struct clockdomain *clkdm) +static int _clkdm_add_wkdep(struct clockdomain *clkdm1, + struct clockdomain *clkdm2) { - struct clkdm_autodep *autodep; + struct clkdm_dep *cd; + int ret = 0; - if (!autodeps || clkdm->flags & CLKDM_NO_AUTODEPS) - return; + if (!clkdm1 || !clkdm2) + return -EINVAL; - for (autodep = autodeps; autodep->clkdm.ptr; autodep++) { - if (IS_ERR(autodep->clkdm.ptr)) - continue; + cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); + if (IS_ERR(cd)) + ret = PTR_ERR(cd); - pr_debug("clockdomain: %s: adding %s sleepdep/wkdep\n", - clkdm->name, autodep->clkdm.ptr->name); + if (!arch_clkdm || !arch_clkdm->clkdm_add_wkdep) + ret = -EINVAL; + + if (ret) { + pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n", + clkdm1->name, clkdm2->name); + return ret; + } + + cd->wkdep_usecount++; + if (cd->wkdep_usecount == 1) { + pr_debug("clockdomain: hardware will wake up %s when %s wakes up\n", + clkdm1->name, clkdm2->name); - clkdm_add_sleepdep(clkdm, autodep->clkdm.ptr); - clkdm_add_wkdep(clkdm, autodep->clkdm.ptr); + ret = arch_clkdm->clkdm_add_wkdep(clkdm1, clkdm2); } + + return ret; } -/* - * _clkdm_add_autodeps - remove auto sleepdeps/wkdeps from clkdm - * @clkdm: struct clockdomain * +/** + * _clkdm_del_wkdep - remove a wakeup dep from clkdm2 to clkdm1 (lockless) + * @clkdm1: wake this struct clockdomain * up (dependent) + * @clkdm2: when this struct clockdomain * wakes up (source) * - * Remove the "autodep" sleep & wakeup dependencies from clockdomain 'clkdm' - * in hardware-supervised mode. Meant to be called from clock framework - * when a clock inside clockdomain 'clkdm' is disabled. No return value. + * Remove a wakeup dependency causing @clkdm1 to wake up when @clkdm2 + * wakes up. Returns -EINVAL if presented with invalid clockdomain + * pointers, -ENOENT if @clkdm2 cannot wake up clkdm1 in hardware, or + * 0 upon success. + */ +static int _clkdm_del_wkdep(struct clockdomain *clkdm1, + struct clockdomain *clkdm2) +{ + struct clkdm_dep *cd; + int ret = 0; + + if (!clkdm1 || !clkdm2) + return -EINVAL; + + cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); + if (IS_ERR(cd)) + ret = PTR_ERR(cd); + + if (!arch_clkdm || !arch_clkdm->clkdm_del_wkdep) + ret = -EINVAL; + + if (ret) { + pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n", + clkdm1->name, clkdm2->name); + return ret; + } + + cd->wkdep_usecount--; + if (cd->wkdep_usecount == 0) { + pr_debug("clockdomain: hardware will no longer wake up %s after %s wakes up\n", + clkdm1->name, clkdm2->name); + + ret = arch_clkdm->clkdm_del_wkdep(clkdm1, clkdm2); + } + + return ret; +} + +/** + * _clkdm_add_sleepdep - add a sleep dependency from clkdm2 to clkdm1 (lockless) + * @clkdm1: prevent this struct clockdomain * from sleeping (dependent) + * @clkdm2: when this struct clockdomain * is active (source) * - * XXX autodeps are deprecated and should be removed at the earliest - * opportunity + * Prevent @clkdm1 from automatically going inactive (and then to + * retention or off) if @clkdm2 is active. Returns -EINVAL if + * presented with invalid clockdomain pointers or called on a machine + * that does not support software-configurable hardware sleep + * dependencies, -ENOENT if the specified dependency cannot be set in + * hardware, or 0 upon success. */ -void _clkdm_del_autodeps(struct clockdomain *clkdm) +static int _clkdm_add_sleepdep(struct clockdomain *clkdm1, + struct clockdomain *clkdm2) { - struct clkdm_autodep *autodep; + struct clkdm_dep *cd; + int ret = 0; - if (!autodeps || clkdm->flags & CLKDM_NO_AUTODEPS) - return; + if (!clkdm1 || !clkdm2) + return -EINVAL; - for (autodep = autodeps; autodep->clkdm.ptr; autodep++) { - if (IS_ERR(autodep->clkdm.ptr)) - continue; + cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs); + if (IS_ERR(cd)) + ret = PTR_ERR(cd); - pr_debug("clockdomain: %s: removing %s sleepdep/wkdep\n", - clkdm->name, autodep->clkdm.ptr->name); + if (!arch_clkdm || !arch_clkdm->clkdm_add_sleepdep) + ret = -EINVAL; - clkdm_del_sleepdep(clkdm, autodep->clkdm.ptr); - clkdm_del_wkdep(clkdm, autodep->clkdm.ptr); + if (ret) { + pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n", + clkdm1->name, clkdm2->name); + return ret; + } + + cd->sleepdep_usecount++; + if (cd->sleepdep_usecount == 1) { + pr_debug("clockdomain: will prevent %s from sleeping if %s is active\n", + clkdm1->name, clkdm2->name); + + ret = arch_clkdm->clkdm_add_sleepdep(clkdm1, clkdm2); } + + return ret; } /** - * _resolve_clkdm_deps() - resolve clkdm_names in @clkdm_deps to clkdms - * @clkdm: clockdomain that we are resolving dependencies for - * @clkdm_deps: ptr to array of struct clkdm_deps to resolve + * _clkdm_del_sleepdep - remove a sleep dep from clkdm2 to clkdm1 (lockless) + * @clkdm1: prevent this struct clockdomain * from sleeping (dependent) + * @clkdm2: when this struct clockdomain * is active (source) * - * Iterates through @clkdm_deps, looking up the struct clockdomain named by - * clkdm_name and storing the clockdomain pointer in the struct clkdm_dep. - * No return value. + * Allow @clkdm1 to automatically go inactive (and then to retention or + * off), independent of the activity state of @clkdm2. Returns -EINVAL + * if presented with invalid clockdomain pointers or called on a machine + * that does not support software-configurable hardware sleep dependencies, + * -ENOENT if the specified dependency cannot be cleared in hardware, or + * 0 upon success. */ -static void _resolve_clkdm_deps(struct clockdomain *clkdm, - struct clkdm_dep *clkdm_deps) +static int _clkdm_del_sleepdep(struct clockdomain *clkdm1, + struct clockdomain *clkdm2) { struct clkdm_dep *cd; + int ret = 0; - for (cd = clkdm_deps; cd && cd->clkdm_name; cd++) { - if (cd->clkdm) - continue; - cd->clkdm = _clkdm_lookup(cd->clkdm_name); + if (!clkdm1 || !clkdm2) + return -EINVAL; - WARN(!cd->clkdm, "clockdomain: %s: could not find clkdm %s while resolving dependencies - should never happen", - clkdm->name, cd->clkdm_name); + cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs); + if (IS_ERR(cd)) + ret = PTR_ERR(cd); + + if (!arch_clkdm || !arch_clkdm->clkdm_del_sleepdep) + ret = -EINVAL; + + if (ret) { + pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n", + clkdm1->name, clkdm2->name); + return ret; } + + cd->sleepdep_usecount--; + if (cd->sleepdep_usecount == 0) { + pr_debug("clockdomain: will no longer prevent %s from sleeping if %s is active\n", + clkdm1->name, clkdm2->name); + + ret = arch_clkdm->clkdm_del_sleepdep(clkdm1, clkdm2); + } + + return ret; } /* Public functions */ @@ -456,30 +572,18 @@ struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm) int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; - int ret = 0; + int ret; if (!clkdm1 || !clkdm2) return -EINVAL; cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); if (IS_ERR(cd)) - ret = PTR_ERR(cd); + return PTR_ERR(cd); - if (!arch_clkdm || !arch_clkdm->clkdm_add_wkdep) - ret = -EINVAL; - - if (ret) { - pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n", - clkdm1->name, clkdm2->name); - return ret; - } - - if (atomic_inc_return(&cd->wkdep_usecount) == 1) { - pr_debug("clockdomain: hardware will wake up %s when %s wakes up\n", - clkdm1->name, clkdm2->name); - - ret = arch_clkdm->clkdm_add_wkdep(clkdm1, clkdm2); - } + pwrdm_lock(cd->clkdm->pwrdm.ptr); + ret = _clkdm_add_wkdep(clkdm1, clkdm2); + pwrdm_unlock(cd->clkdm->pwrdm.ptr); return ret; } @@ -497,30 +601,18 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; - int ret = 0; + int ret; if (!clkdm1 || !clkdm2) return -EINVAL; cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); if (IS_ERR(cd)) - ret = PTR_ERR(cd); + return PTR_ERR(cd); - if (!arch_clkdm || !arch_clkdm->clkdm_del_wkdep) - ret = -EINVAL; - - if (ret) { - pr_debug("clockdomain: hardware cannot set/clear wake up of %s when %s wakes up\n", - clkdm1->name, clkdm2->name); - return ret; - } - - if (atomic_dec_return(&cd->wkdep_usecount) == 0) { - pr_debug("clockdomain: hardware will no longer wake up %s after %s wakes up\n", - clkdm1->name, clkdm2->name); - - ret = arch_clkdm->clkdm_del_wkdep(clkdm1, clkdm2); - } + pwrdm_lock(cd->clkdm->pwrdm.ptr); + ret = _clkdm_del_wkdep(clkdm1, clkdm2); + pwrdm_unlock(cd->clkdm->pwrdm.ptr); return ret; } @@ -560,7 +652,7 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) return ret; } - /* XXX It's faster to return the atomic wkdep_usecount */ + /* XXX It's faster to return the wkdep_usecount */ return arch_clkdm->clkdm_read_wkdep(clkdm1, clkdm2); } @@ -600,30 +692,18 @@ int clkdm_clear_all_wkdeps(struct clockdomain *clkdm) int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; - int ret = 0; + int ret; if (!clkdm1 || !clkdm2) return -EINVAL; - cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs); + cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); if (IS_ERR(cd)) - ret = PTR_ERR(cd); + return PTR_ERR(cd); - if (!arch_clkdm || !arch_clkdm->clkdm_add_sleepdep) - ret = -EINVAL; - - if (ret) { - pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n", - clkdm1->name, clkdm2->name); - return ret; - } - - if (atomic_inc_return(&cd->sleepdep_usecount) == 1) { - pr_debug("clockdomain: will prevent %s from sleeping if %s is active\n", - clkdm1->name, clkdm2->name); - - ret = arch_clkdm->clkdm_add_sleepdep(clkdm1, clkdm2); - } + pwrdm_lock(cd->clkdm->pwrdm.ptr); + ret = _clkdm_add_sleepdep(clkdm1, clkdm2); + pwrdm_unlock(cd->clkdm->pwrdm.ptr); return ret; } @@ -643,30 +723,18 @@ int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) { struct clkdm_dep *cd; - int ret = 0; + int ret; if (!clkdm1 || !clkdm2) return -EINVAL; - cd = _clkdm_deps_lookup(clkdm2, clkdm1->sleepdep_srcs); + cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs); if (IS_ERR(cd)) - ret = PTR_ERR(cd); + return PTR_ERR(cd); - if (!arch_clkdm || !arch_clkdm->clkdm_del_sleepdep) - ret = -EINVAL; - - if (ret) { - pr_debug("clockdomain: hardware cannot set/clear sleep dependency affecting %s from %s\n", - clkdm1->name, clkdm2->name); - return ret; - } - - if (atomic_dec_return(&cd->sleepdep_usecount) == 0) { - pr_debug("clockdomain: will no longer prevent %s from sleeping if %s is active\n", - clkdm1->name, clkdm2->name); - - ret = arch_clkdm->clkdm_del_sleepdep(clkdm1, clkdm2); - } + pwrdm_lock(cd->clkdm->pwrdm.ptr); + ret = _clkdm_del_sleepdep(clkdm1, clkdm2); + pwrdm_unlock(cd->clkdm->pwrdm.ptr); return ret; } @@ -708,7 +776,7 @@ int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2) return ret; } - /* XXX It's faster to return the atomic sleepdep_usecount */ + /* XXX It's faster to return the sleepdep_usecount */ return arch_clkdm->clkdm_read_sleepdep(clkdm1, clkdm2); } @@ -734,18 +802,17 @@ int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm) } /** - * clkdm_sleep - force clockdomain sleep transition + * clkdm_sleep_nolock - force clockdomain sleep transition (lockless) * @clkdm: struct clockdomain * * * Instruct the CM to force a sleep transition on the specified - * clockdomain @clkdm. Returns -EINVAL if @clkdm is NULL or if - * clockdomain does not support software-initiated sleep; 0 upon - * success. + * clockdomain @clkdm. Only for use by the powerdomain code. Returns + * -EINVAL if @clkdm is NULL or if clockdomain does not support + * software-initiated sleep; 0 upon success. */ -int clkdm_sleep(struct clockdomain *clkdm) +int clkdm_sleep_nolock(struct clockdomain *clkdm) { int ret; - unsigned long flags; if (!clkdm) return -EINVAL; @@ -761,26 +828,45 @@ int clkdm_sleep(struct clockdomain *clkdm) pr_debug("clockdomain: forcing sleep on %s\n", clkdm->name); - spin_lock_irqsave(&clkdm->lock, flags); clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED; ret = arch_clkdm->clkdm_sleep(clkdm); - spin_unlock_irqrestore(&clkdm->lock, flags); + ret |= pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); + return ret; } /** - * clkdm_wakeup - force clockdomain wakeup transition + * clkdm_sleep - force clockdomain sleep transition * @clkdm: struct clockdomain * * - * Instruct the CM to force a wakeup transition on the specified - * clockdomain @clkdm. Returns -EINVAL if @clkdm is NULL or if the - * clockdomain does not support software-controlled wakeup; 0 upon + * Instruct the CM to force a sleep transition on the specified + * clockdomain @clkdm. Returns -EINVAL if @clkdm is NULL or if + * clockdomain does not support software-initiated sleep; 0 upon * success. */ -int clkdm_wakeup(struct clockdomain *clkdm) +int clkdm_sleep(struct clockdomain *clkdm) +{ + int ret; + + pwrdm_lock(clkdm->pwrdm.ptr); + ret = clkdm_sleep_nolock(clkdm); + pwrdm_unlock(clkdm->pwrdm.ptr); + + return ret; +} + +/** + * clkdm_wakeup_nolock - force clockdomain wakeup transition (lockless) + * @clkdm: struct clockdomain * + * + * Instruct the CM to force a wakeup transition on the specified + * clockdomain @clkdm. Only for use by the powerdomain code. Returns + * -EINVAL if @clkdm is NULL or if the clockdomain does not support + * software-controlled wakeup; 0 upon success. + */ +int clkdm_wakeup_nolock(struct clockdomain *clkdm) { int ret; - unsigned long flags; if (!clkdm) return -EINVAL; @@ -796,28 +882,46 @@ int clkdm_wakeup(struct clockdomain *clkdm) pr_debug("clockdomain: forcing wakeup on %s\n", clkdm->name); - spin_lock_irqsave(&clkdm->lock, flags); clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED; ret = arch_clkdm->clkdm_wakeup(clkdm); - ret |= pwrdm_state_switch(clkdm->pwrdm.ptr); - spin_unlock_irqrestore(&clkdm->lock, flags); + ret |= pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); + return ret; } /** - * clkdm_allow_idle - enable hwsup idle transitions for clkdm + * clkdm_wakeup - force clockdomain wakeup transition * @clkdm: struct clockdomain * * - * Allow the hardware to automatically switch the clockdomain @clkdm into - * active or idle states, as needed by downstream clocks. If the + * Instruct the CM to force a wakeup transition on the specified + * clockdomain @clkdm. Returns -EINVAL if @clkdm is NULL or if the + * clockdomain does not support software-controlled wakeup; 0 upon + * success. + */ +int clkdm_wakeup(struct clockdomain *clkdm) +{ + int ret; + + pwrdm_lock(clkdm->pwrdm.ptr); + ret = clkdm_wakeup_nolock(clkdm); + pwrdm_unlock(clkdm->pwrdm.ptr); + + return ret; +} + +/** + * clkdm_allow_idle_nolock - enable hwsup idle transitions for clkdm + * @clkdm: struct clockdomain * + * + * Allow the hardware to automatically switch the clockdomain @clkdm + * into active or idle states, as needed by downstream clocks. If the * clockdomain has any downstream clocks enabled in the clock * framework, wkdep/sleepdep autodependencies are added; this is so - * device drivers can read and write to the device. No return value. + * device drivers can read and write to the device. Only for use by + * the powerdomain code. No return value. */ -void clkdm_allow_idle(struct clockdomain *clkdm) +void clkdm_allow_idle_nolock(struct clockdomain *clkdm) { - unsigned long flags; - if (!clkdm) return; @@ -833,11 +937,26 @@ void clkdm_allow_idle(struct clockdomain *clkdm) pr_debug("clockdomain: enabling automatic idle transitions for %s\n", clkdm->name); - spin_lock_irqsave(&clkdm->lock, flags); clkdm->_flags |= _CLKDM_FLAG_HWSUP_ENABLED; arch_clkdm->clkdm_allow_idle(clkdm); - pwrdm_state_switch(clkdm->pwrdm.ptr); - spin_unlock_irqrestore(&clkdm->lock, flags); + pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); +} + +/** + * clkdm_allow_idle - enable hwsup idle transitions for clkdm + * @clkdm: struct clockdomain * + * + * Allow the hardware to automatically switch the clockdomain @clkdm into + * active or idle states, as needed by downstream clocks. If the + * clockdomain has any downstream clocks enabled in the clock + * framework, wkdep/sleepdep autodependencies are added; this is so + * device drivers can read and write to the device. No return value. + */ +void clkdm_allow_idle(struct clockdomain *clkdm) +{ + pwrdm_lock(clkdm->pwrdm.ptr); + clkdm_allow_idle_nolock(clkdm); + pwrdm_unlock(clkdm->pwrdm.ptr); } /** @@ -847,12 +966,11 @@ void clkdm_allow_idle(struct clockdomain *clkdm) * Prevent the hardware from automatically switching the clockdomain * @clkdm into inactive or idle states. If the clockdomain has * downstream clocks enabled in the clock framework, wkdep/sleepdep - * autodependencies are removed. No return value. + * autodependencies are removed. Only for use by the powerdomain + * code. No return value. */ -void clkdm_deny_idle(struct clockdomain *clkdm) +void clkdm_deny_idle_nolock(struct clockdomain *clkdm) { - unsigned long flags; - if (!clkdm) return; @@ -868,11 +986,25 @@ void clkdm_deny_idle(struct clockdomain *clkdm) pr_debug("clockdomain: disabling automatic idle transitions for %s\n", clkdm->name); - spin_lock_irqsave(&clkdm->lock, flags); clkdm->_flags &= ~_CLKDM_FLAG_HWSUP_ENABLED; arch_clkdm->clkdm_deny_idle(clkdm); - pwrdm_state_switch(clkdm->pwrdm.ptr); - spin_unlock_irqrestore(&clkdm->lock, flags); + pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); +} + +/** + * clkdm_deny_idle - disable hwsup idle transitions for clkdm + * @clkdm: struct clockdomain * + * + * Prevent the hardware from automatically switching the clockdomain + * @clkdm into inactive or idle states. If the clockdomain has + * downstream clocks enabled in the clock framework, wkdep/sleepdep + * autodependencies are removed. No return value. + */ +void clkdm_deny_idle(struct clockdomain *clkdm) +{ + pwrdm_lock(clkdm->pwrdm.ptr); + clkdm_deny_idle_nolock(clkdm); + pwrdm_unlock(clkdm->pwrdm.ptr); } /** @@ -889,14 +1021,11 @@ void clkdm_deny_idle(struct clockdomain *clkdm) bool clkdm_in_hwsup(struct clockdomain *clkdm) { bool ret; - unsigned long flags; if (!clkdm) return false; - spin_lock_irqsave(&clkdm->lock, flags); ret = (clkdm->_flags & _CLKDM_FLAG_HWSUP_ENABLED) ? true : false; - spin_unlock_irqrestore(&clkdm->lock, flags); return ret; } @@ -918,30 +1047,91 @@ bool clkdm_missing_idle_reporting(struct clockdomain *clkdm) return (clkdm->flags & CLKDM_MISSING_IDLE_REPORTING) ? true : false; } +/* Public autodep handling functions (deprecated) */ + +/** + * clkdm_add_autodeps - add auto sleepdeps/wkdeps to clkdm upon clock enable + * @clkdm: struct clockdomain * + * + * Add the "autodep" sleep & wakeup dependencies to clockdomain 'clkdm' + * in hardware-supervised mode. Meant to be called from clock framework + * when a clock inside clockdomain 'clkdm' is enabled. No return value. + * + * XXX autodeps are deprecated and should be removed at the earliest + * opportunity + */ +void clkdm_add_autodeps(struct clockdomain *clkdm) +{ + struct clkdm_autodep *autodep; + + if (!autodeps || clkdm->flags & CLKDM_NO_AUTODEPS) + return; + + for (autodep = autodeps; autodep->clkdm.ptr; autodep++) { + if (IS_ERR(autodep->clkdm.ptr)) + continue; + + pr_debug("clockdomain: %s: adding %s sleepdep/wkdep\n", + clkdm->name, autodep->clkdm.ptr->name); + + _clkdm_add_sleepdep(clkdm, autodep->clkdm.ptr); + _clkdm_add_wkdep(clkdm, autodep->clkdm.ptr); + } +} + +/** + * clkdm_del_autodeps - remove auto sleepdeps/wkdeps from clkdm + * @clkdm: struct clockdomain * + * + * Remove the "autodep" sleep & wakeup dependencies from clockdomain 'clkdm' + * in hardware-supervised mode. Meant to be called from clock framework + * when a clock inside clockdomain 'clkdm' is disabled. No return value. + * + * XXX autodeps are deprecated and should be removed at the earliest + * opportunity + */ +void clkdm_del_autodeps(struct clockdomain *clkdm) +{ + struct clkdm_autodep *autodep; + + if (!autodeps || clkdm->flags & CLKDM_NO_AUTODEPS) + return; + + for (autodep = autodeps; autodep->clkdm.ptr; autodep++) { + if (IS_ERR(autodep->clkdm.ptr)) + continue; + + pr_debug("clockdomain: %s: removing %s sleepdep/wkdep\n", + clkdm->name, autodep->clkdm.ptr->name); + + _clkdm_del_sleepdep(clkdm, autodep->clkdm.ptr); + _clkdm_del_wkdep(clkdm, autodep->clkdm.ptr); + } +} + /* Clockdomain-to-clock/hwmod framework interface code */ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm) { - unsigned long flags; - if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable) return -EINVAL; - spin_lock_irqsave(&clkdm->lock, flags); + pwrdm_lock(clkdm->pwrdm.ptr); /* * For arch's with no autodeps, clkcm_clk_enable * should be called for every clock instance or hwmod that is * enabled, so the clkdm can be force woken up. */ - if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps) { - spin_unlock_irqrestore(&clkdm->lock, flags); + clkdm->usecount++; + if (clkdm->usecount > 1 && autodeps) { + pwrdm_unlock(clkdm->pwrdm.ptr); return 0; } arch_clkdm->clkdm_clk_enable(clkdm); - pwrdm_state_switch(clkdm->pwrdm.ptr); - spin_unlock_irqrestore(&clkdm->lock, flags); + pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); + pwrdm_unlock(clkdm->pwrdm.ptr); pr_debug("clockdomain: %s: enabled\n", clkdm->name); @@ -990,36 +1180,34 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) */ int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) { - unsigned long flags; - if (!clkdm || !clk || !arch_clkdm || !arch_clkdm->clkdm_clk_disable) return -EINVAL; - spin_lock_irqsave(&clkdm->lock, flags); + pwrdm_lock(clkdm->pwrdm.ptr); /* corner case: disabling unused clocks */ - if ((__clk_get_enable_count(clk) == 0) && - (atomic_read(&clkdm->usecount) == 0)) + if ((__clk_get_enable_count(clk) == 0) && clkdm->usecount == 0) goto ccd_exit; - if (atomic_read(&clkdm->usecount) == 0) { - spin_unlock_irqrestore(&clkdm->lock, flags); + if (clkdm->usecount == 0) { + pwrdm_unlock(clkdm->pwrdm.ptr); WARN_ON(1); /* underflow */ return -ERANGE; } - if (atomic_dec_return(&clkdm->usecount) > 0) { - spin_unlock_irqrestore(&clkdm->lock, flags); + clkdm->usecount--; + if (clkdm->usecount > 0) { + pwrdm_unlock(clkdm->pwrdm.ptr); return 0; } arch_clkdm->clkdm_clk_disable(clkdm); - pwrdm_state_switch(clkdm->pwrdm.ptr); + pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); pr_debug("clockdomain: %s: disabled\n", clkdm->name); ccd_exit: - spin_unlock_irqrestore(&clkdm->lock, flags); + pwrdm_unlock(clkdm->pwrdm.ptr); return 0; } @@ -1072,8 +1260,6 @@ int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh) */ int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh) { - unsigned long flags; - /* The clkdm attribute does not exist yet prior OMAP4 */ if (cpu_is_omap24xx() || cpu_is_omap34xx()) return 0; @@ -1086,22 +1272,23 @@ int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh) if (!clkdm || !oh || !arch_clkdm || !arch_clkdm->clkdm_clk_disable) return -EINVAL; - spin_lock_irqsave(&clkdm->lock, flags); + pwrdm_lock(clkdm->pwrdm.ptr); - if (atomic_read(&clkdm->usecount) == 0) { - spin_unlock_irqrestore(&clkdm->lock, flags); + if (clkdm->usecount == 0) { + pwrdm_unlock(clkdm->pwrdm.ptr); WARN_ON(1); /* underflow */ return -ERANGE; } - if (atomic_dec_return(&clkdm->usecount) > 0) { - spin_unlock_irqrestore(&clkdm->lock, flags); + clkdm->usecount--; + if (clkdm->usecount > 0) { + pwrdm_unlock(clkdm->pwrdm.ptr); return 0; } arch_clkdm->clkdm_clk_disable(clkdm); - pwrdm_state_switch(clkdm->pwrdm.ptr); - spin_unlock_irqrestore(&clkdm->lock, flags); + pwrdm_state_switch_nolock(clkdm->pwrdm.ptr); + pwrdm_unlock(clkdm->pwrdm.ptr); pr_debug("clockdomain: %s: disabled\n", clkdm->name); diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index bc42446e23ab..2da37656a693 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -15,7 +15,6 @@ #define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H #include <linux/init.h> -#include <linux/spinlock.h> #include "powerdomain.h" #include "clock.h" @@ -92,8 +91,8 @@ struct clkdm_autodep { struct clkdm_dep { const char *clkdm_name; struct clockdomain *clkdm; - atomic_t wkdep_usecount; - atomic_t sleepdep_usecount; + s16 wkdep_usecount; + s16 sleepdep_usecount; }; /* Possible flags for struct clockdomain._flags */ @@ -137,9 +136,8 @@ struct clockdomain { const u16 clkdm_offs; struct clkdm_dep *wkdep_srcs; struct clkdm_dep *sleepdep_srcs; - atomic_t usecount; + int usecount; struct list_head node; - spinlock_t lock; }; /** @@ -196,12 +194,16 @@ int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm); +void clkdm_allow_idle_nolock(struct clockdomain *clkdm); void clkdm_allow_idle(struct clockdomain *clkdm); +void clkdm_deny_idle_nolock(struct clockdomain *clkdm); void clkdm_deny_idle(struct clockdomain *clkdm); bool clkdm_in_hwsup(struct clockdomain *clkdm); bool clkdm_missing_idle_reporting(struct clockdomain *clkdm); +int clkdm_wakeup_nolock(struct clockdomain *clkdm); int clkdm_wakeup(struct clockdomain *clkdm); +int clkdm_sleep_nolock(struct clockdomain *clkdm); int clkdm_sleep(struct clockdomain *clkdm); int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk); @@ -214,8 +216,9 @@ extern void __init omap243x_clockdomains_init(void); extern void __init omap3xxx_clockdomains_init(void); extern void __init am33xx_clockdomains_init(void); extern void __init omap44xx_clockdomains_init(void); -extern void _clkdm_add_autodeps(struct clockdomain *clkdm); -extern void _clkdm_del_autodeps(struct clockdomain *clkdm); + +extern void clkdm_add_autodeps(struct clockdomain *clkdm); +extern void clkdm_del_autodeps(struct clockdomain *clkdm); extern struct clkdm_ops omap2_clkdm_operations; extern struct clkdm_ops omap3_clkdm_operations; diff --git a/arch/arm/mach-omap2/cm2xxx.c b/arch/arm/mach-omap2/cm2xxx.c index db650690e9d0..6774a53a3874 100644 --- a/arch/arm/mach-omap2/cm2xxx.c +++ b/arch/arm/mach-omap2/cm2xxx.c @@ -273,9 +273,6 @@ int omap2xxx_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift) static void omap2xxx_clkdm_allow_idle(struct clockdomain *clkdm) { - if (atomic_read(&clkdm->usecount) > 0) - _clkdm_add_autodeps(clkdm); - omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); } @@ -284,9 +281,6 @@ static void omap2xxx_clkdm_deny_idle(struct clockdomain *clkdm) { omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); - - if (atomic_read(&clkdm->usecount) > 0) - _clkdm_del_autodeps(clkdm); } static int omap2xxx_clkdm_clk_enable(struct clockdomain *clkdm) @@ -298,18 +292,8 @@ static int omap2xxx_clkdm_clk_enable(struct clockdomain *clkdm) hwsup = omap2xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); - - if (hwsup) { - /* Disable HW transitions when we are changing deps */ - omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs, - clkdm->clktrctrl_mask); - _clkdm_add_autodeps(clkdm); - omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs, - clkdm->clktrctrl_mask); - } else { - if (clkdm->flags & CLKDM_CAN_FORCE_WAKEUP) - omap2xxx_clkdm_wakeup(clkdm); - } + if (!hwsup && clkdm->flags & CLKDM_CAN_FORCE_WAKEUP) + omap2xxx_clkdm_wakeup(clkdm); return 0; } @@ -324,17 +308,8 @@ static int omap2xxx_clkdm_clk_disable(struct clockdomain *clkdm) hwsup = omap2xxx_cm_is_clkdm_in_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); - if (hwsup) { - /* Disable HW transitions when we are changing deps */ - omap2xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs, - clkdm->clktrctrl_mask); - _clkdm_del_autodeps(clkdm); - omap2xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs, - clkdm->clktrctrl_mask); - } else { - if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP) - omap2xxx_clkdm_sleep(clkdm); - } + if (!hwsup && clkdm->flags & CLKDM_CAN_FORCE_SLEEP) + omap2xxx_clkdm_sleep(clkdm); return 0; } diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index 058ce3c0873e..325a51576576 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -241,9 +241,6 @@ int am33xx_cm_wait_module_ready(u16 inst, s16 cdoffs, u16 clkctrl_offs) { int i = 0; - if (!clkctrl_offs) - return 0; - omap_test_timeout(_is_module_ready(inst, cdoffs, clkctrl_offs), MAX_MODULE_READY_TIME, i); diff --git a/arch/arm/mach-omap2/cm33xx.h b/arch/arm/mach-omap2/cm33xx.h index 5fa0b62e1a79..64f4bafe7bd9 100644 --- a/arch/arm/mach-omap2/cm33xx.h +++ b/arch/arm/mach-omap2/cm33xx.h @@ -17,16 +17,11 @@ #ifndef __ARCH_ARM_MACH_OMAP2_CM_33XX_H #define __ARCH_ARM_MACH_OMAP2_CM_33XX_H -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/err.h> -#include <linux/io.h> - #include "common.h" #include "cm.h" #include "cm-regbits-33xx.h" -#include "cm33xx.h" +#include "iomap.h" /* CM base address */ #define AM33XX_CM_BASE 0x44e00000 @@ -381,6 +376,7 @@ #define AM33XX_CM_CEFUSE_CEFUSE_CLKCTRL AM33XX_CM_REGADDR(AM33XX_CM_CEFUSE_MOD, 0x0020) +#ifndef __ASSEMBLER__ extern bool am33xx_cm_is_clkdm_in_hwsup(s16 inst, u16 cdoffs); extern void am33xx_cm_clkdm_enable_hwsup(s16 inst, u16 cdoffs); extern void am33xx_cm_clkdm_disable_hwsup(s16 inst, u16 cdoffs); @@ -417,4 +413,5 @@ static inline int am33xx_cm_wait_module_ready(u16 inst, s16 cdoffs, } #endif +#endif /* ASSEMBLER */ #endif diff --git a/arch/arm/mach-omap2/cm3xxx.c b/arch/arm/mach-omap2/cm3xxx.c index c2086f2e86b6..9061c307d915 100644 --- a/arch/arm/mach-omap2/cm3xxx.c +++ b/arch/arm/mach-omap2/cm3xxx.c @@ -186,7 +186,7 @@ static int omap3xxx_clkdm_clear_all_sleepdeps(struct clockdomain *clkdm) continue; /* only happens if data is erroneous */ mask |= 1 << cd->clkdm->dep_bit; - atomic_set(&cd->sleepdep_usecount, 0); + cd->sleepdep_usecount = 0; } omap2_cm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs, OMAP3430_CM_SLEEPDEP); @@ -209,8 +209,8 @@ static int omap3xxx_clkdm_wakeup(struct clockdomain *clkdm) static void omap3xxx_clkdm_allow_idle(struct clockdomain *clkdm) { - if (atomic_read(&clkdm->usecount) > 0) - _clkdm_add_autodeps(clkdm); + if (clkdm->usecount > 0) + clkdm_add_autodeps(clkdm); omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); @@ -221,8 +221,8 @@ static void omap3xxx_clkdm_deny_idle(struct clockdomain *clkdm) omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); - if (atomic_read(&clkdm->usecount) > 0) - _clkdm_del_autodeps(clkdm); + if (clkdm->usecount > 0) + clkdm_del_autodeps(clkdm); } static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm) @@ -250,7 +250,7 @@ static int omap3xxx_clkdm_clk_enable(struct clockdomain *clkdm) /* Disable HW transitions when we are changing deps */ omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); - _clkdm_add_autodeps(clkdm); + clkdm_add_autodeps(clkdm); omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); } else { @@ -287,7 +287,7 @@ static int omap3xxx_clkdm_clk_disable(struct clockdomain *clkdm) /* Disable HW transitions when we are changing deps */ omap3xxx_cm_clkdm_disable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); - _clkdm_del_autodeps(clkdm); + clkdm_del_autodeps(clkdm); omap3xxx_cm_clkdm_enable_hwsup(clkdm->pwrdm.ptr->prcm_offs, clkdm->clktrctrl_mask); } else { diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index 7f9a464f01e9..f0290f5566fe 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -393,7 +393,7 @@ static int omap4_clkdm_clear_all_wkup_sleep_deps(struct clockdomain *clkdm) continue; /* only happens if data is erroneous */ mask |= 1 << cd->clkdm->dep_bit; - atomic_set(&cd->wkdep_usecount, 0); + cd->wkdep_usecount = 0; } omap4_cminst_clear_inst_reg_bits(mask, clkdm->prcm_partition, diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h index 948bcaa82eb6..0c3a991a240e 100644 --- a/arch/arm/mach-omap2/common.h +++ b/arch/arm/mach-omap2/common.h @@ -119,6 +119,14 @@ static inline void omap2xxx_restart(char mode, const char *cmd) } #endif +#ifdef CONFIG_SOC_AM33XX +void am33xx_restart(char mode, const char *cmd); +#else +static inline void am33xx_restart(char mode, const char *cmd) +{ +} +#endif + #ifdef CONFIG_ARCH_OMAP3 void omap3xxx_restart(char mode, const char *cmd); #else diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index 22590dbe8f14..80392fca86c6 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -36,40 +36,66 @@ /* Mach specific information to be recorded in the C-state driver_data */ struct omap3_idle_statedata { - u32 mpu_state; - u32 core_state; + u8 mpu_state; + u8 core_state; + u8 per_min_state; + u8 flags; }; static struct powerdomain *mpu_pd, *core_pd, *per_pd, *cam_pd; +/* + * Possible flag bits for struct omap3_idle_statedata.flags: + * + * OMAP_CPUIDLE_CX_NO_CLKDM_IDLE: don't allow the MPU clockdomain to go + * inactive. This in turn prevents the MPU DPLL from entering autoidle + * mode, so wakeup latency is greatly reduced, at the cost of additional + * energy consumption. This also prevents the CORE clockdomain from + * entering idle. + */ +#define OMAP_CPUIDLE_CX_NO_CLKDM_IDLE BIT(0) + +/* + * Prevent PER OFF if CORE is not in RETention or OFF as this would + * disable PER wakeups completely. + */ static struct omap3_idle_statedata omap3_idle_data[] = { { .mpu_state = PWRDM_POWER_ON, .core_state = PWRDM_POWER_ON, + /* In C1 do not allow PER state lower than CORE state */ + .per_min_state = PWRDM_POWER_ON, + .flags = OMAP_CPUIDLE_CX_NO_CLKDM_IDLE, }, { .mpu_state = PWRDM_POWER_ON, .core_state = PWRDM_POWER_ON, + .per_min_state = PWRDM_POWER_RET, }, { .mpu_state = PWRDM_POWER_RET, .core_state = PWRDM_POWER_ON, + .per_min_state = PWRDM_POWER_RET, }, { .mpu_state = PWRDM_POWER_OFF, .core_state = PWRDM_POWER_ON, + .per_min_state = PWRDM_POWER_RET, }, { .mpu_state = PWRDM_POWER_RET, .core_state = PWRDM_POWER_RET, + .per_min_state = PWRDM_POWER_OFF, }, { .mpu_state = PWRDM_POWER_OFF, .core_state = PWRDM_POWER_RET, + .per_min_state = PWRDM_POWER_OFF, }, { .mpu_state = PWRDM_POWER_OFF, .core_state = PWRDM_POWER_OFF, + .per_min_state = PWRDM_POWER_OFF, }, }; @@ -80,27 +106,25 @@ static int __omap3_enter_idle(struct cpuidle_device *dev, int index) { struct omap3_idle_statedata *cx = &omap3_idle_data[index]; - u32 mpu_state = cx->mpu_state, core_state = cx->core_state; local_fiq_disable(); - pwrdm_set_next_pwrst(mpu_pd, mpu_state); - pwrdm_set_next_pwrst(core_pd, core_state); - if (omap_irq_pending() || need_resched()) goto return_sleep_time; /* Deny idle for C1 */ - if (index == 0) { + if (cx->flags & OMAP_CPUIDLE_CX_NO_CLKDM_IDLE) { clkdm_deny_idle(mpu_pd->pwrdm_clkdms[0]); - clkdm_deny_idle(core_pd->pwrdm_clkdms[0]); + } else { + pwrdm_set_next_pwrst(mpu_pd, cx->mpu_state); + pwrdm_set_next_pwrst(core_pd, cx->core_state); } /* * Call idle CPU PM enter notifier chain so that * VFP context is saved. */ - if (mpu_state == PWRDM_POWER_OFF) + if (cx->mpu_state == PWRDM_POWER_OFF) cpu_pm_enter(); /* Execute ARM wfi */ @@ -110,17 +134,15 @@ static int __omap3_enter_idle(struct cpuidle_device *dev, * Call idle CPU PM enter notifier chain to restore * VFP context. */ - if (pwrdm_read_prev_pwrst(mpu_pd) == PWRDM_POWER_OFF) + if (cx->mpu_state == PWRDM_POWER_OFF && + pwrdm_read_prev_pwrst(mpu_pd) == PWRDM_POWER_OFF) cpu_pm_exit(); /* Re-allow idle for C1 */ - if (index == 0) { + if (cx->flags & OMAP_CPUIDLE_CX_NO_CLKDM_IDLE) clkdm_allow_idle(mpu_pd->pwrdm_clkdms[0]); - clkdm_allow_idle(core_pd->pwrdm_clkdms[0]); - } return_sleep_time: - local_fiq_enable(); return index; @@ -185,7 +207,7 @@ static int next_valid_state(struct cpuidle_device *dev, * Start search from the next (lower) state. */ for (idx = index - 1; idx >= 0; idx--) { - cx = &omap3_idle_data[idx]; + cx = &omap3_idle_data[idx]; if ((cx->mpu_state >= mpu_deepest_state) && (cx->core_state >= core_deepest_state)) { next_index = idx; @@ -209,10 +231,9 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - int new_state_idx; - u32 core_next_state, per_next_state = 0, per_saved_state = 0; + int new_state_idx, ret; + u8 per_next_state, per_saved_state; struct omap3_idle_statedata *cx; - int ret; /* * Use only C1 if CAM is active. @@ -233,25 +254,13 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev, /* Program PER state */ cx = &omap3_idle_data[new_state_idx]; - core_next_state = cx->core_state; - per_next_state = per_saved_state = pwrdm_read_next_pwrst(per_pd); - if (new_state_idx == 0) { - /* In C1 do not allow PER state lower than CORE state */ - if (per_next_state < core_next_state) - per_next_state = core_next_state; - } else { - /* - * Prevent PER OFF if CORE is not in RETention or OFF as this - * would disable PER wakeups completely. - */ - if ((per_next_state == PWRDM_POWER_OFF) && - (core_next_state > PWRDM_POWER_RET)) - per_next_state = PWRDM_POWER_RET; - } - /* Are we changing PER target state? */ - if (per_next_state != per_saved_state) + per_next_state = pwrdm_read_next_pwrst(per_pd); + per_saved_state = per_next_state; + if (per_next_state < cx->per_min_state) { + per_next_state = cx->per_min_state; pwrdm_set_next_pwrst(per_pd, per_next_state); + } ret = omap3_enter_idle(dev, drv, new_state_idx); diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 626f3ea3142f..6ecc89adda87 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -61,8 +61,7 @@ static int __init omap3_l3_init(void) if (!oh) pr_err("could not look up %s\n", oh_name); - pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0, - NULL, 0, 0); + pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0); WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); @@ -96,8 +95,7 @@ static int __init omap4_l3_init(void) pr_err("could not look up %s\n", oh_name); } - pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, - 0, NULL, 0, 0); + pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0); WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); @@ -273,7 +271,7 @@ int __init omap4_keyboard_init(struct omap4_keypad_platform_data keypad_data = sdp4430_keypad_data; pdev = omap_device_build(name, id, oh, keypad_data, - sizeof(struct omap4_keypad_platform_data), NULL, 0, 0); + sizeof(struct omap4_keypad_platform_data)); if (IS_ERR(pdev)) { WARN(1, "Can't build omap_device for %s:%s.\n", @@ -297,7 +295,7 @@ static inline void __init omap_init_mbox(void) return; } - pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0); WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", __func__, PTR_ERR(pdev)); } @@ -337,7 +335,7 @@ static void __init omap_init_mcpdm(void) return; } - pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n"); } #else @@ -358,7 +356,7 @@ static void __init omap_init_dmic(void) return; } - pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build("omap-dmic", -1, oh, NULL, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap-dmic.\n"); } #else @@ -384,8 +382,7 @@ static void __init omap_init_hdmi_audio(void) return; } - pdev = omap_device_build("omap-hdmi-audio-dai", - -1, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build("omap-hdmi-audio-dai", -1, oh, NULL, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap-hdmi-audio-dai.\n"); @@ -429,8 +426,7 @@ static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) } spi_num++; - pdev = omap_device_build(name, spi_num, oh, pdata, - sizeof(*pdata), NULL, 0, 0); + pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", name, oh->name); kfree(pdata); @@ -460,7 +456,7 @@ static void omap_init_rng(void) if (!oh) return; - pdev = omap_device_build("omap_rng", -1, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); } @@ -689,8 +685,7 @@ static void __init omap_init_ocp2scp(void) pdata->dev_cnt = dev_cnt; - pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL, - 0, false); + pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata)); if (IS_ERR(pdev)) { pr_err("Could not build omap_device for %s %s\n", name, oh_name); diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index cc75aaf6e764..ff37be1f6f93 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -226,7 +226,7 @@ static struct platform_device *create_dss_pdev(const char *pdev_name, dev_set_name(&pdev->dev, "%s", pdev->name); ohs[0] = oh; - od = omap_device_alloc(pdev, ohs, 1, NULL, 0); + od = omap_device_alloc(pdev, ohs, 1); if (IS_ERR(od)) { pr_err("Could not alloc omap_device for %s\n", pdev_name); r = -ENOMEM; diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index 612b98249873..491c5c8837fa 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -248,7 +248,7 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) p->errata = configure_dma_errata(); - pdev = omap_device_build(name, 0, oh, p, sizeof(*p), NULL, 0, 0); + pdev = omap_device_build(name, 0, oh, p, sizeof(*p)); kfree(p); if (IS_ERR(pdev)) { pr_err("%s: Can't build omap_device for %s:%s.\n", diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c index 2a2cfa88ddbf..4d8d1a52ffe7 100644 --- a/arch/arm/mach-omap2/drm.c +++ b/arch/arm/mach-omap2/drm.c @@ -51,8 +51,7 @@ static int __init omap_init_drm(void) oh = omap_hwmod_lookup("dmm"); if (oh) { - pdev = omap_device_build(oh->name, -1, oh, NULL, 0, NULL, 0, - false); + pdev = omap_device_build(oh->name, -1, oh, NULL, 0); WARN(IS_ERR(pdev), "Could not build omap_device for %s\n", oh->name); } diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c index 399acabc3d0b..482ade1923b0 100644 --- a/arch/arm/mach-omap2/gpio.c +++ b/arch/arm/mach-omap2/gpio.c @@ -131,8 +131,7 @@ static int __init omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) pwrdm = omap_hwmod_get_pwrdm(oh); pdata->loses_context = pwrdm_can_ever_lose_context(pwrdm); - pdev = omap_device_build(name, id - 1, oh, pdata, - sizeof(*pdata), NULL, 0, false); + pdev = omap_device_build(name, id - 1, oh, pdata, sizeof(*pdata)); kfree(pdata); if (IS_ERR(pdev)) { diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 8033cb747c86..bc0783364ad3 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -1220,7 +1220,7 @@ static int __init omap_gpmc_init(void) return -ENODEV; } - pdev = omap_device_build(DEVICE_NAME, -1, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build(DEVICE_NAME, -1, oh, NULL, 0); WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; diff --git a/arch/arm/mach-omap2/hdq1w.c b/arch/arm/mach-omap2/hdq1w.c index ab7bf181a105..b7aa8ba2ccb2 100644 --- a/arch/arm/mach-omap2/hdq1w.c +++ b/arch/arm/mach-omap2/hdq1w.c @@ -87,7 +87,7 @@ static int __init omap_init_hdq(void) if (!oh) return 0; - pdev = omap_device_build(devname, id, oh, NULL, 0, NULL, 0, 0); + pdev = omap_device_build(devname, id, oh, NULL, 0); WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", devname, oh->name); diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index 4a964338992a..2ef1f8714fcf 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -522,7 +522,7 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo, } dev_set_name(&pdev->dev, "%s.%d", pdev->name, pdev->id); - od = omap_device_alloc(pdev, ohs, 1, NULL, 0); + od = omap_device_alloc(pdev, ohs, 1); if (IS_ERR(od)) { pr_err("Could not allocate od for %s\n", name); goto put_pdev; diff --git a/arch/arm/mach-omap2/hwspinlock.c b/arch/arm/mach-omap2/hwspinlock.c index 1df9b5feda16..c3688903f3d4 100644 --- a/arch/arm/mach-omap2/hwspinlock.c +++ b/arch/arm/mach-omap2/hwspinlock.c @@ -46,8 +46,7 @@ static int __init hwspinlocks_init(void) return -EINVAL; pdev = omap_device_build(dev_name, 0, oh, &omap_hwspinlock_pdata, - sizeof(struct hwspinlock_pdata), - NULL, 0, false); + sizeof(struct hwspinlock_pdata)); if (IS_ERR(pdev)) { pr_err("Can't build omap_device for %s:%s\n", dev_name, oh_name); diff --git a/arch/arm/mach-omap2/i2c.c b/arch/arm/mach-omap2/i2c.c index b9074dde3b9c..c11a23fa9665 100644 --- a/arch/arm/mach-omap2/i2c.c +++ b/arch/arm/mach-omap2/i2c.c @@ -178,8 +178,7 @@ int __init omap_i2c_add_bus(struct omap_i2c_bus_platform_data *i2c_pdata, if (cpu_is_omap34xx()) pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat; pdev = omap_device_build(name, bus_id, oh, pdata, - sizeof(struct omap_i2c_bus_platform_data), - NULL, 0, 0); + sizeof(struct omap_i2c_bus_platform_data)); WARN(IS_ERR(pdev), "Could not build omap_device for %s\n", name); return PTR_RET(pdev); diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 45cc7ed4dd58..8a68f1ec66b9 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -399,8 +399,18 @@ void __init omap3xxx_check_revision(void) } break; case 0xb944: - omap_revision = AM335X_REV_ES1_0; - cpu_rev = "1.0"; + switch (rev) { + case 0: + omap_revision = AM335X_REV_ES1_0; + cpu_rev = "1.0"; + break; + case 1: + /* FALLTHROUGH */ + default: + omap_revision = AM335X_REV_ES2_0; + cpu_rev = "2.0"; + break; + } break; case 0xb8f2: switch (rev) { diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index df49f2a49461..453580410ae0 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -101,7 +101,7 @@ static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused) count++; } pdev = omap_device_build_ss(name, id, oh_device, count, pdata, - sizeof(*pdata), NULL, 0, false); + sizeof(*pdata)); kfree(pdata); if (IS_ERR(pdev)) { pr_err("%s: Can't build omap_device for %s:%s.\n", __func__, diff --git a/arch/arm/mach-omap2/msdi.c b/arch/arm/mach-omap2/msdi.c index aafdd4ca9f4f..c52d8b4a3e91 100644 --- a/arch/arm/mach-omap2/msdi.c +++ b/arch/arm/mach-omap2/msdi.c @@ -150,7 +150,7 @@ void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data) return; } pdev = omap_device_build(dev_name, id, oh, mmc_data[0], - sizeof(struct omap_mmc_platform_data), NULL, 0, 0); + sizeof(struct omap_mmc_platform_data)); if (IS_ERR(pdev)) WARN(1, "Can'd build omap_device for %s:%s.\n", dev_name, oh->name); diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c index 6da4f7ae9d7f..f7f38c7fd5ff 100644 --- a/arch/arm/mach-omap2/omap-iommu.c +++ b/arch/arm/mach-omap2/omap-iommu.c @@ -41,8 +41,7 @@ static int __init omap_iommu_dev_init(struct omap_hwmod *oh, void *unused) pdata->deassert_reset = omap_device_deassert_hardreset; } - pdev = omap_device_build("omap-iommu", i, oh, pdata, sizeof(*pdata), - NULL, 0, 0); + pdev = omap_device_build("omap-iommu", i, oh, pdata, sizeof(*pdata)); kfree(pdata); diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index aac46bfdbeb2..8bcb64bcdcdb 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -87,37 +87,6 @@ static inline void set_cpu_wakeup_addr(unsigned int cpu_id, u32 addr) } /* - * Set the CPUx powerdomain's previous power state - */ -static inline void set_cpu_next_pwrst(unsigned int cpu_id, - unsigned int power_state) -{ - struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id); - - pwrdm_set_next_pwrst(pm_info->pwrdm, power_state); -} - -/* - * Read CPU's previous power state - */ -static inline unsigned int read_cpu_prev_pwrst(unsigned int cpu_id) -{ - struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id); - - return pwrdm_read_prev_pwrst(pm_info->pwrdm); -} - -/* - * Clear the CPUx powerdomain's previous power state - */ -static inline void clear_cpu_prev_pwrst(unsigned int cpu_id) -{ - struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu_id); - - pwrdm_clear_all_prev_pwrst(pm_info->pwrdm); -} - -/* * Store the SCU power status value to scratchpad memory */ static void scu_pwrst_prepare(unsigned int cpu_id, unsigned int cpu_state) @@ -230,6 +199,7 @@ static void save_l2x0_context(void) */ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) { + struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu); unsigned int save_state = 0; unsigned int wakeup_cpu; @@ -268,7 +238,7 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) save_state = 2; cpu_clear_prev_logic_pwrst(cpu); - set_cpu_next_pwrst(cpu, power_state); + pwrdm_set_next_pwrst(pm_info->pwrdm, power_state); set_cpu_wakeup_addr(cpu, virt_to_phys(omap4_cpu_resume)); scu_pwrst_prepare(cpu, power_state); l2x0_pwrst_prepare(cpu, save_state); @@ -286,7 +256,7 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) * domain transition */ wakeup_cpu = smp_processor_id(); - set_cpu_next_pwrst(wakeup_cpu, PWRDM_POWER_ON); + pwrdm_set_next_pwrst(pm_info->pwrdm, PWRDM_POWER_ON); pwrdm_post_transition(NULL); @@ -300,8 +270,8 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) */ int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) { - unsigned int cpu_state = 0; struct omap4_cpu_pm_info *pm_info = &per_cpu(omap4_pm_info, cpu); + unsigned int cpu_state = 0; if (omap_rev() == OMAP4430_REV_ES1_0) return -ENXIO; @@ -309,8 +279,8 @@ int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) if (power_state == PWRDM_POWER_OFF) cpu_state = 1; - clear_cpu_prev_pwrst(cpu); - set_cpu_next_pwrst(cpu, power_state); + pwrdm_clear_all_prev_pwrst(pm_info->pwrdm); + pwrdm_set_next_pwrst(pm_info->pwrdm, power_state); set_cpu_wakeup_addr(cpu, virt_to_phys(pm_info->secondary_startup)); scu_pwrst_prepare(cpu, power_state); @@ -321,7 +291,7 @@ int __cpuinit omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) */ omap4_finish_suspend(cpu_state); - set_cpu_next_pwrst(cpu, PWRDM_POWER_ON); + pwrdm_set_next_pwrst(pm_info->pwrdm, PWRDM_POWER_ON); return 0; } diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index e065daa537c0..6ee3ad3dd95a 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -17,68 +17,15 @@ * to control power management and interconnect properties of their * devices. * - * In the medium- to long-term, this code should either be - * a) implemented via arch-specific pointers in platform_data - * or - * b) implemented as a proper omap_bus/omap_device in Linux, no more - * platform_data func pointers + * In the medium- to long-term, this code should be implemented as a + * proper omap_bus/omap_device in Linux, no more platform_data func + * pointers * * - * Guidelines for usage by driver authors: - * - * 1. These functions are intended to be used by device drivers via - * function pointers in struct platform_data. As an example, - * omap_device_enable() should be passed to the driver as - * - * struct foo_driver_platform_data { - * ... - * int (*device_enable)(struct platform_device *pdev); - * ... - * } - * - * Note that the generic "device_enable" name is used, rather than - * "omap_device_enable". This is so other architectures can pass in their - * own enable/disable functions here. - * - * This should be populated during device setup: - * - * ... - * pdata->device_enable = omap_device_enable; - * ... - * - * 2. Drivers should first check to ensure the function pointer is not null - * before calling it, as in: - * - * if (pdata->device_enable) - * pdata->device_enable(pdev); - * - * This allows other architectures that don't use similar device_enable()/ - * device_shutdown() functions to execute normally. - * - * ... - * - * Suggested usage by device drivers: - * - * During device initialization: - * device_enable() - * - * During device idle: - * (save remaining device context if necessary) - * device_idle(); - * - * During device resume: - * device_enable(); - * (restore context if necessary) - * - * During device shutdown: - * device_shutdown() - * (device must be reinitialized at this point to use it again) - * */ #undef DEBUG #include <linux/kernel.h> -#include <linux/export.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/err.h> @@ -92,155 +39,8 @@ #include "omap_device.h" #include "omap_hwmod.h" -/* These parameters are passed to _omap_device_{de,}activate() */ -#define USE_WAKEUP_LAT 0 -#define IGNORE_WAKEUP_LAT 1 - -static int omap_early_device_register(struct platform_device *pdev); - -static struct omap_device_pm_latency omap_default_latency[] = { - { - .deactivate_func = omap_device_idle_hwmods, - .activate_func = omap_device_enable_hwmods, - .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, - } -}; - /* Private functions */ -/** - * _omap_device_activate - increase device readiness - * @od: struct omap_device * - * @ignore_lat: increase to latency target (0) or full readiness (1)? - * - * Increase readiness of omap_device @od (thus decreasing device - * wakeup latency, but consuming more power). If @ignore_lat is - * IGNORE_WAKEUP_LAT, make the omap_device fully active. Otherwise, - * if @ignore_lat is USE_WAKEUP_LAT, and the device's maximum wakeup - * latency is greater than the requested maximum wakeup latency, step - * backwards in the omap_device_pm_latency table to ensure the - * device's maximum wakeup latency is less than or equal to the - * requested maximum wakeup latency. Returns 0. - */ -static int _omap_device_activate(struct omap_device *od, u8 ignore_lat) -{ - struct timespec a, b, c; - - dev_dbg(&od->pdev->dev, "omap_device: activating\n"); - - while (od->pm_lat_level > 0) { - struct omap_device_pm_latency *odpl; - unsigned long long act_lat = 0; - - od->pm_lat_level--; - - odpl = od->pm_lats + od->pm_lat_level; - - if (!ignore_lat && - (od->dev_wakeup_lat <= od->_dev_wakeup_lat_limit)) - break; - - read_persistent_clock(&a); - - /* XXX check return code */ - odpl->activate_func(od); - - read_persistent_clock(&b); - - c = timespec_sub(b, a); - act_lat = timespec_to_ns(&c); - - dev_dbg(&od->pdev->dev, - "omap_device: pm_lat %d: activate: elapsed time %llu nsec\n", - od->pm_lat_level, act_lat); - - if (act_lat > odpl->activate_lat) { - odpl->activate_lat_worst = act_lat; - if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) { - odpl->activate_lat = act_lat; - dev_dbg(&od->pdev->dev, - "new worst case activate latency %d: %llu\n", - od->pm_lat_level, act_lat); - } else - dev_warn(&od->pdev->dev, - "activate latency %d higher than expected. (%llu > %d)\n", - od->pm_lat_level, act_lat, - odpl->activate_lat); - } - - od->dev_wakeup_lat -= odpl->activate_lat; - } - - return 0; -} - -/** - * _omap_device_deactivate - decrease device readiness - * @od: struct omap_device * - * @ignore_lat: decrease to latency target (0) or full inactivity (1)? - * - * Decrease readiness of omap_device @od (thus increasing device - * wakeup latency, but conserving power). If @ignore_lat is - * IGNORE_WAKEUP_LAT, make the omap_device fully inactive. Otherwise, - * if @ignore_lat is USE_WAKEUP_LAT, and the device's maximum wakeup - * latency is less than the requested maximum wakeup latency, step - * forwards in the omap_device_pm_latency table to ensure the device's - * maximum wakeup latency is less than or equal to the requested - * maximum wakeup latency. Returns 0. - */ -static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat) -{ - struct timespec a, b, c; - - dev_dbg(&od->pdev->dev, "omap_device: deactivating\n"); - - while (od->pm_lat_level < od->pm_lats_cnt) { - struct omap_device_pm_latency *odpl; - unsigned long long deact_lat = 0; - - odpl = od->pm_lats + od->pm_lat_level; - - if (!ignore_lat && - ((od->dev_wakeup_lat + odpl->activate_lat) > - od->_dev_wakeup_lat_limit)) - break; - - read_persistent_clock(&a); - - /* XXX check return code */ - odpl->deactivate_func(od); - - read_persistent_clock(&b); - - c = timespec_sub(b, a); - deact_lat = timespec_to_ns(&c); - - dev_dbg(&od->pdev->dev, - "omap_device: pm_lat %d: deactivate: elapsed time %llu nsec\n", - od->pm_lat_level, deact_lat); - - if (deact_lat > odpl->deactivate_lat) { - odpl->deactivate_lat_worst = deact_lat; - if (odpl->flags & OMAP_DEVICE_LATENCY_AUTO_ADJUST) { - odpl->deactivate_lat = deact_lat; - dev_dbg(&od->pdev->dev, - "new worst case deactivate latency %d: %llu\n", - od->pm_lat_level, deact_lat); - } else - dev_warn(&od->pdev->dev, - "deactivate latency %d higher than expected. (%llu > %d)\n", - od->pm_lat_level, deact_lat, - odpl->deactivate_lat); - } - - od->dev_wakeup_lat += odpl->activate_lat; - - od->pm_lat_level++; - } - - return 0; -} - static void _add_clkdev(struct omap_device *od, const char *clk_alias, const char *clk_name) { @@ -315,9 +115,6 @@ static void _add_hwmod_clocks_clkdev(struct omap_device *od, * @oh: ptr to the single omap_hwmod that backs this omap_device * @pdata: platform_data ptr to associate with the platform_device * @pdata_len: amount of memory pointed to by @pdata - * @pm_lats: pointer to a omap_device_pm_latency array for this device - * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats - * @is_early_device: should the device be registered as an early device or not * * Function for building an omap_device already registered from device-tree * @@ -356,7 +153,7 @@ static int omap_device_build_from_dt(struct platform_device *pdev) hwmods[i] = oh; } - od = omap_device_alloc(pdev, hwmods, oh_cnt, NULL, 0); + od = omap_device_alloc(pdev, hwmods, oh_cnt); if (!od) { dev_err(&pdev->dev, "Cannot allocate omap_device for :%s\n", oh_name); @@ -407,6 +204,39 @@ static int _omap_device_notifier_call(struct notifier_block *nb, return NOTIFY_DONE; } +/** + * _omap_device_enable_hwmods - call omap_hwmod_enable() on all hwmods + * @od: struct omap_device *od + * + * Enable all underlying hwmods. Returns 0. + */ +static int _omap_device_enable_hwmods(struct omap_device *od) +{ + int i; + + for (i = 0; i < od->hwmods_cnt; i++) + omap_hwmod_enable(od->hwmods[i]); + + /* XXX pass along return value here? */ + return 0; +} + +/** + * _omap_device_idle_hwmods - call omap_hwmod_idle() on all hwmods + * @od: struct omap_device *od + * + * Idle all underlying hwmods. Returns 0. + */ +static int _omap_device_idle_hwmods(struct omap_device *od) +{ + int i; + + for (i = 0; i < od->hwmods_cnt; i++) + omap_hwmod_idle(od->hwmods[i]); + + /* XXX pass along return value here? */ + return 0; +} /* Public functions for use by core code */ @@ -526,18 +356,14 @@ static int _od_fill_dma_resources(struct omap_device *od, * @oh: ptr to the single omap_hwmod that backs this omap_device * @pdata: platform_data ptr to associate with the platform_device * @pdata_len: amount of memory pointed to by @pdata - * @pm_lats: pointer to a omap_device_pm_latency array for this device - * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats * * Convenience function for allocating an omap_device structure and filling - * hwmods, resources and pm_latency attributes. + * hwmods, and resources. * * Returns an struct omap_device pointer or ERR_PTR() on error; */ struct omap_device *omap_device_alloc(struct platform_device *pdev, - struct omap_hwmod **ohs, int oh_cnt, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt) + struct omap_hwmod **ohs, int oh_cnt) { int ret = -ENOMEM; struct omap_device *od; @@ -626,18 +452,6 @@ struct omap_device *omap_device_alloc(struct platform_device *pdev, goto oda_exit3; have_everything: - if (!pm_lats) { - pm_lats = omap_default_latency; - pm_lats_cnt = ARRAY_SIZE(omap_default_latency); - } - - od->pm_lats_cnt = pm_lats_cnt; - od->pm_lats = kmemdup(pm_lats, - sizeof(struct omap_device_pm_latency) * pm_lats_cnt, - GFP_KERNEL); - if (!od->pm_lats) - goto oda_exit3; - pdev->archdata.od = od; for (i = 0; i < oh_cnt; i++) { @@ -663,7 +477,6 @@ void omap_device_delete(struct omap_device *od) return; od->pdev->archdata.od = NULL; - kfree(od->pm_lats); kfree(od->hwmods); kfree(od); } @@ -675,9 +488,6 @@ void omap_device_delete(struct omap_device *od) * @oh: ptr to the single omap_hwmod that backs this omap_device * @pdata: platform_data ptr to associate with the platform_device * @pdata_len: amount of memory pointed to by @pdata - * @pm_lats: pointer to a omap_device_pm_latency array for this device - * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats - * @is_early_device: should the device be registered as an early device or not * * Convenience function for building and registering a single * omap_device record, which in turn builds and registers a @@ -685,11 +495,10 @@ void omap_device_delete(struct omap_device *od) * information. Returns ERR_PTR(-EINVAL) if @oh is NULL; otherwise, * passes along the return value of omap_device_build_ss(). */ -struct platform_device __init *omap_device_build(const char *pdev_name, int pdev_id, - struct omap_hwmod *oh, void *pdata, - int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device) +struct platform_device __init *omap_device_build(const char *pdev_name, + int pdev_id, + struct omap_hwmod *oh, + void *pdata, int pdata_len) { struct omap_hwmod *ohs[] = { oh }; @@ -697,8 +506,7 @@ struct platform_device __init *omap_device_build(const char *pdev_name, int pdev return ERR_PTR(-EINVAL); return omap_device_build_ss(pdev_name, pdev_id, ohs, 1, pdata, - pdata_len, pm_lats, pm_lats_cnt, - is_early_device); + pdata_len); } /** @@ -708,9 +516,6 @@ struct platform_device __init *omap_device_build(const char *pdev_name, int pdev * @oh: ptr to the single omap_hwmod that backs this omap_device * @pdata: platform_data ptr to associate with the platform_device * @pdata_len: amount of memory pointed to by @pdata - * @pm_lats: pointer to a omap_device_pm_latency array for this device - * @pm_lats_cnt: ARRAY_SIZE() of @pm_lats - * @is_early_device: should the device be registered as an early device or not * * Convenience function for building and registering an omap_device * subsystem record. Subsystem records consist of multiple @@ -718,11 +523,11 @@ struct platform_device __init *omap_device_build(const char *pdev_name, int pdev * platform_device record. Returns an ERR_PTR() on error, or passes * along the return value of omap_device_register(). */ -struct platform_device __init *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **ohs, int oh_cnt, - void *pdata, int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device) +struct platform_device __init *omap_device_build_ss(const char *pdev_name, + int pdev_id, + struct omap_hwmod **ohs, + int oh_cnt, void *pdata, + int pdata_len) { int ret = -ENOMEM; struct platform_device *pdev; @@ -746,7 +551,7 @@ struct platform_device __init *omap_device_build_ss(const char *pdev_name, int p else dev_set_name(&pdev->dev, "%s", pdev->name); - od = omap_device_alloc(pdev, ohs, oh_cnt, pm_lats, pm_lats_cnt); + od = omap_device_alloc(pdev, ohs, oh_cnt); if (IS_ERR(od)) goto odbs_exit1; @@ -754,10 +559,7 @@ struct platform_device __init *omap_device_build_ss(const char *pdev_name, int p if (ret) goto odbs_exit2; - if (is_early_device) - ret = omap_early_device_register(pdev); - else - ret = omap_device_register(pdev); + ret = omap_device_register(pdev); if (ret) goto odbs_exit2; @@ -774,24 +576,6 @@ odbs_exit: return ERR_PTR(ret); } -/** - * omap_early_device_register - register an omap_device as an early platform - * device. - * @od: struct omap_device * to register - * - * Register the omap_device structure. This currently just calls - * platform_early_add_device() on the underlying platform_device. - * Returns 0 by default. - */ -static int __init omap_early_device_register(struct platform_device *pdev) -{ - struct platform_device *devices[1]; - - devices[0] = pdev; - early_platform_add_devices(devices, 1); - return 0; -} - #ifdef CONFIG_PM_RUNTIME static int _od_runtime_suspend(struct device *dev) { @@ -902,10 +686,9 @@ int omap_device_register(struct platform_device *pdev) * to be accessible and ready to operate. This generally involves * enabling clocks, setting SYSCONFIG registers; and in the future may * involve remuxing pins. Device drivers should call this function - * (through platform_data function pointers) where they would normally - * enable clocks, etc. Returns -EINVAL if called when the omap_device - * is already enabled, or passes along the return value of - * _omap_device_activate(). + * indirectly via pm_runtime_get*(). Returns -EINVAL if called when + * the omap_device is already enabled, or passes along the return + * value of _omap_device_enable_hwmods(). */ int omap_device_enable(struct platform_device *pdev) { @@ -921,14 +704,8 @@ int omap_device_enable(struct platform_device *pdev) return -EINVAL; } - /* Enable everything if we're enabling this device from scratch */ - if (od->_state == OMAP_DEVICE_STATE_UNKNOWN) - od->pm_lat_level = od->pm_lats_cnt; - - ret = _omap_device_activate(od, IGNORE_WAKEUP_LAT); + ret = _omap_device_enable_hwmods(od); - od->dev_wakeup_lat = 0; - od->_dev_wakeup_lat_limit = UINT_MAX; od->_state = OMAP_DEVICE_STATE_ENABLED; return ret; @@ -938,14 +715,10 @@ int omap_device_enable(struct platform_device *pdev) * omap_device_idle - idle an omap_device * @od: struct omap_device * to idle * - * Idle omap_device @od by calling as many .deactivate_func() entries - * in the omap_device's pm_lats table as is possible without exceeding - * the device's maximum wakeup latency limit, pm_lat_limit. Device - * drivers should call this function (through platform_data function - * pointers) where they would normally disable clocks after operations - * complete, etc.. Returns -EINVAL if the omap_device is not + * Idle omap_device @od. Device drivers call this function indirectly + * via pm_runtime_put*(). Returns -EINVAL if the omap_device is not * currently enabled, or passes along the return value of - * _omap_device_deactivate(). + * _omap_device_idle_hwmods(). */ int omap_device_idle(struct platform_device *pdev) { @@ -961,7 +734,7 @@ int omap_device_idle(struct platform_device *pdev) return -EINVAL; } - ret = _omap_device_deactivate(od, USE_WAKEUP_LAT); + ret = _omap_device_idle_hwmods(od); od->_state = OMAP_DEVICE_STATE_IDLE; @@ -969,42 +742,6 @@ int omap_device_idle(struct platform_device *pdev) } /** - * omap_device_shutdown - shut down an omap_device - * @od: struct omap_device * to shut down - * - * Shut down omap_device @od by calling all .deactivate_func() entries - * in the omap_device's pm_lats table and then shutting down all of - * the underlying omap_hwmods. Used when a device is being "removed" - * or a device driver is being unloaded. Returns -EINVAL if the - * omap_device is not currently enabled or idle, or passes along the - * return value of _omap_device_deactivate(). - */ -int omap_device_shutdown(struct platform_device *pdev) -{ - int ret, i; - struct omap_device *od; - - od = to_omap_device(pdev); - - if (od->_state != OMAP_DEVICE_STATE_ENABLED && - od->_state != OMAP_DEVICE_STATE_IDLE) { - dev_warn(&pdev->dev, - "omap_device: %s() called from invalid state %d\n", - __func__, od->_state); - return -EINVAL; - } - - ret = _omap_device_deactivate(od, IGNORE_WAKEUP_LAT); - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_shutdown(od->hwmods[i]); - - od->_state = OMAP_DEVICE_STATE_SHUTDOWN; - - return ret; -} - -/** * omap_device_assert_hardreset - set a device's hardreset line * @pdev: struct platform_device * to reset * @name: const char * name of the reset line @@ -1060,86 +797,6 @@ int omap_device_deassert_hardreset(struct platform_device *pdev, } /** - * omap_device_align_pm_lat - activate/deactivate device to match wakeup lat lim - * @od: struct omap_device * - * - * When a device's maximum wakeup latency limit changes, call some of - * the .activate_func or .deactivate_func function pointers in the - * omap_device's pm_lats array to ensure that the device's maximum - * wakeup latency is less than or equal to the new latency limit. - * Intended to be called by OMAP PM code whenever a device's maximum - * wakeup latency limit changes (e.g., via - * omap_pm_set_dev_wakeup_lat()). Returns 0 if nothing needs to be - * done (e.g., if the omap_device is not currently idle, or if the - * wakeup latency is already current with the new limit) or passes - * along the return value of _omap_device_deactivate() or - * _omap_device_activate(). - */ -int omap_device_align_pm_lat(struct platform_device *pdev, - u32 new_wakeup_lat_limit) -{ - int ret = -EINVAL; - struct omap_device *od; - - od = to_omap_device(pdev); - - if (new_wakeup_lat_limit == od->dev_wakeup_lat) - return 0; - - od->_dev_wakeup_lat_limit = new_wakeup_lat_limit; - - if (od->_state != OMAP_DEVICE_STATE_IDLE) - return 0; - else if (new_wakeup_lat_limit > od->dev_wakeup_lat) - ret = _omap_device_deactivate(od, USE_WAKEUP_LAT); - else if (new_wakeup_lat_limit < od->dev_wakeup_lat) - ret = _omap_device_activate(od, USE_WAKEUP_LAT); - - return ret; -} - -/** - * omap_device_get_pwrdm - return the powerdomain * associated with @od - * @od: struct omap_device * - * - * Return the powerdomain associated with the first underlying - * omap_hwmod for this omap_device. Intended for use by core OMAP PM - * code. Returns NULL on error or a struct powerdomain * upon - * success. - */ -struct powerdomain *omap_device_get_pwrdm(struct omap_device *od) -{ - /* - * XXX Assumes that all omap_hwmod powerdomains are identical. - * This may not necessarily be true. There should be a sanity - * check in here to WARN() if any difference appears. - */ - if (!od->hwmods_cnt) - return NULL; - - return omap_hwmod_get_pwrdm(od->hwmods[0]); -} - -/** - * omap_device_get_mpu_rt_va - return the MPU's virtual addr for the hwmod base - * @od: struct omap_device * - * - * Return the MPU's virtual address for the base of the hwmod, from - * the ioremap() that the hwmod code does. Only valid if there is one - * hwmod associated with this device. Returns NULL if there are zero - * or more than one hwmods associated with this omap_device; - * otherwise, passes along the return value from - * omap_hwmod_get_mpu_rt_va(). - */ -void __iomem *omap_device_get_rt_va(struct omap_device *od) -{ - if (od->hwmods_cnt != 1) - return NULL; - - return omap_hwmod_get_mpu_rt_va(od->hwmods[0]); -} - -/** * omap_device_get_by_hwmod_name() - convert a hwmod name to * device pointer. * @oh_name: name of the hwmod device @@ -1173,82 +830,6 @@ struct device *omap_device_get_by_hwmod_name(const char *oh_name) return &oh->od->pdev->dev; } -EXPORT_SYMBOL(omap_device_get_by_hwmod_name); - -/* - * Public functions intended for use in omap_device_pm_latency - * .activate_func and .deactivate_func function pointers - */ - -/** - * omap_device_enable_hwmods - call omap_hwmod_enable() on all hwmods - * @od: struct omap_device *od - * - * Enable all underlying hwmods. Returns 0. - */ -int omap_device_enable_hwmods(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_enable(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -/** - * omap_device_idle_hwmods - call omap_hwmod_idle() on all hwmods - * @od: struct omap_device *od - * - * Idle all underlying hwmods. Returns 0. - */ -int omap_device_idle_hwmods(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_idle(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -/** - * omap_device_disable_clocks - disable all main and interface clocks - * @od: struct omap_device *od - * - * Disable the main functional clock and interface clock for all of the - * omap_hwmods associated with the omap_device. Returns 0. - */ -int omap_device_disable_clocks(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_disable_clocks(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} - -/** - * omap_device_enable_clocks - enable all main and interface clocks - * @od: struct omap_device *od - * - * Enable the main functional clock and interface clock for all of the - * omap_hwmods associated with the omap_device. Returns 0. - */ -int omap_device_enable_clocks(struct omap_device *od) -{ - int i; - - for (i = 0; i < od->hwmods_cnt; i++) - omap_hwmod_enable_clocks(od->hwmods[i]); - - /* XXX pass along return value here? */ - return 0; -} static struct notifier_block platform_nb = { .notifier_call = _omap_device_notifier_call, diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h index 0933c599bf89..044c31d50e5b 100644 --- a/arch/arm/mach-omap2/omap_device.h +++ b/arch/arm/mach-omap2/omap_device.h @@ -13,20 +13,12 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * - * Eventually this type of functionality should either be - * a) implemented via arch-specific pointers in platform_device - * or - * b) implemented as a proper omap_bus/omap_device in Linux, no more - * platform_device + * This type of functionality should be implemented as a proper + * omap_bus/omap_device in Linux. * * omap_device differs from omap_hwmod in that it includes external * (e.g., board- and system-level) integration details. omap_hwmod * stores hardware data that is invariant for a given OMAP chip. - * - * To do: - * - GPIO integration - * - regulator integration - * */ #ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H #define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_OMAP_DEVICE_H @@ -45,19 +37,14 @@ extern struct dev_pm_domain omap_device_pm_domain; #define OMAP_DEVICE_STATE_SHUTDOWN 3 /* omap_device.flags values */ -#define OMAP_DEVICE_SUSPENDED BIT(0) -#define OMAP_DEVICE_NO_IDLE_ON_SUSPEND BIT(1) +#define OMAP_DEVICE_SUSPENDED BIT(0) +#define OMAP_DEVICE_NO_IDLE_ON_SUSPEND BIT(1) /** * struct omap_device - omap_device wrapper for platform_devices * @pdev: platform_device * @hwmods: (one .. many per omap_device) * @hwmods_cnt: ARRAY_SIZE() of @hwmods - * @pm_lats: ptr to an omap_device_pm_latency table - * @pm_lats_cnt: ARRAY_SIZE() of what is passed to @pm_lats - * @pm_lat_level: array index of the last odpl entry executed - -1 if never - * @dev_wakeup_lat: dev wakeup latency in nanoseconds - * @_dev_wakeup_lat_limit: dev wakeup latency limit in nsec - set by OMAP PM * @_state: one of OMAP_DEVICE_STATE_* (see above) * @flags: device flags * @_driver_status: one of BUS_NOTIFY_*_DRIVER from <linux/device.h> @@ -71,12 +58,7 @@ extern struct dev_pm_domain omap_device_pm_domain; struct omap_device { struct platform_device *pdev; struct omap_hwmod **hwmods; - struct omap_device_pm_latency *pm_lats; - u32 dev_wakeup_lat; - u32 _dev_wakeup_lat_limit; unsigned long _driver_status; - u8 pm_lats_cnt; - s8 pm_lat_level; u8 hwmods_cnt; u8 _state; u8 flags; @@ -86,36 +68,25 @@ struct omap_device { int omap_device_enable(struct platform_device *pdev); int omap_device_idle(struct platform_device *pdev); -int omap_device_shutdown(struct platform_device *pdev); /* Core code interface */ struct platform_device *omap_device_build(const char *pdev_name, int pdev_id, - struct omap_hwmod *oh, void *pdata, - int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device); + struct omap_hwmod *oh, void *pdata, + int pdata_len); struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id, struct omap_hwmod **oh, int oh_cnt, - void *pdata, int pdata_len, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt, int is_early_device); + void *pdata, int pdata_len); struct omap_device *omap_device_alloc(struct platform_device *pdev, - struct omap_hwmod **ohs, int oh_cnt, - struct omap_device_pm_latency *pm_lats, - int pm_lats_cnt); + struct omap_hwmod **ohs, int oh_cnt); void omap_device_delete(struct omap_device *od); int omap_device_register(struct platform_device *pdev); -void __iomem *omap_device_get_rt_va(struct omap_device *od); struct device *omap_device_get_by_hwmod_name(const char *oh_name); /* OMAP PM interface */ -int omap_device_align_pm_lat(struct platform_device *pdev, - u32 new_wakeup_lat_limit); -struct powerdomain *omap_device_get_pwrdm(struct omap_device *od); int omap_device_get_context_loss_count(struct platform_device *pdev); /* Other */ @@ -124,40 +95,6 @@ int omap_device_assert_hardreset(struct platform_device *pdev, const char *name); int omap_device_deassert_hardreset(struct platform_device *pdev, const char *name); -int omap_device_idle_hwmods(struct omap_device *od); -int omap_device_enable_hwmods(struct omap_device *od); - -int omap_device_disable_clocks(struct omap_device *od); -int omap_device_enable_clocks(struct omap_device *od); - -/* - * Entries should be kept in latency order ascending - * - * deact_lat is the maximum number of microseconds required to complete - * deactivate_func() at the device's slowest OPP. - * - * act_lat is the maximum number of microseconds required to complete - * activate_func() at the device's slowest OPP. - * - * This will result in some suboptimal power management decisions at fast - * OPPs, but avoids having to recompute all device power management decisions - * if the system shifts from a fast OPP to a slow OPP (in order to meet - * latency requirements). - * - * XXX should deactivate_func/activate_func() take platform_device pointers - * rather than omap_device pointers? - */ -struct omap_device_pm_latency { - u32 deactivate_lat; - u32 deactivate_lat_worst; - int (*deactivate_func)(struct omap_device *od); - u32 activate_lat; - u32 activate_lat_worst; - int (*activate_func)(struct omap_device *od); - u32 flags; -}; - -#define OMAP_DEVICE_LATENCY_AUTO_ADJUST BIT(1) /* Get omap_device pointer from platform_device pointer */ static inline struct omap_device *to_omap_device(struct platform_device *pdev) diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 4653efb87a27..30657b7c3e33 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -139,6 +139,8 @@ #include <linux/slab.h> #include <linux/bootmem.h> +#include <asm/system_misc.h> + #include "clock.h" #include "omap_hwmod.h" @@ -2134,6 +2136,8 @@ static int _enable(struct omap_hwmod *oh) _enable_clocks(oh); if (soc_ops.enable_module) soc_ops.enable_module(oh); + if (oh->flags & HWMOD_BLOCK_WFI) + disable_hlt(); if (soc_ops.update_context_lost) soc_ops.update_context_lost(oh); @@ -2195,6 +2199,8 @@ static int _idle(struct omap_hwmod *oh) _idle_sysc(oh); _del_initiator_dep(oh, mpu_oh); + if (oh->flags & HWMOD_BLOCK_WFI) + enable_hlt(); if (soc_ops.disable_module) soc_ops.disable_module(oh); @@ -2303,6 +2309,8 @@ static int _shutdown(struct omap_hwmod *oh) if (oh->_state == _HWMOD_STATE_ENABLED) { _del_initiator_dep(oh, mpu_oh); /* XXX what about the other system initiators here? dma, dsp */ + if (oh->flags & HWMOD_BLOCK_WFI) + enable_hlt(); if (soc_ops.disable_module) soc_ops.disable_module(oh); _disable_clocks(oh); @@ -3041,11 +3049,8 @@ static int _am33xx_assert_hardreset(struct omap_hwmod *oh, static int _am33xx_deassert_hardreset(struct omap_hwmod *oh, struct omap_hwmod_rst_info *ohri) { - if (ohri->st_shift) - pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n", - oh->name, ohri->name); - return am33xx_prm_deassert_hardreset(ohri->rst_shift, + ohri->st_shift, oh->clkdm->pwrdm.ptr->prcm_offs, oh->prcm.omap4.rstctrl_offs, oh->prcm.omap4.rstst_offs); diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h index 3ae852a522f9..80c00e706d69 100644 --- a/arch/arm/mach-omap2/omap_hwmod.h +++ b/arch/arm/mach-omap2/omap_hwmod.h @@ -451,6 +451,14 @@ struct omap_hwmod_omap4_prcm { * enabled. This prevents the hwmod code from being able to * enable and reset the IP block early. XXX Eventually it should * be possible to query the clock framework for this information. + * HWMOD_BLOCK_WFI: Some OMAP peripherals apparently don't work + * correctly if the MPU is allowed to go idle while the + * peripherals are active. This is apparently true for the I2C on + * OMAP2420, and also the EMAC on AM3517/3505. It's unlikely that + * this is really true -- we're probably not configuring something + * correctly, or this is being abused to deal with some PM latency + * issues -- but we're currently suffering from a shortage of + * folks who are able to track these issues down properly. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -462,6 +470,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7) #define HWMOD_16BIT_REG (1 << 8) #define HWMOD_EXT_OPT_MAIN_CLK (1 << 9) +#define HWMOD_BLOCK_WFI (1 << 10) /* * omap_hwmod._int_flags definitions diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index b5efe58c0be0..6a764af6c6d3 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -121,7 +121,12 @@ static struct omap_hwmod omap2420_i2c1_hwmod = { }, .class = &i2c_class, .dev_attr = &i2c_dev_attr, - .flags = HWMOD_16BIT_REG, + /* + * From mach-omap2/pm24xx.c: "Putting MPU into the WFI state + * while a transfer is active seems to cause the I2C block to + * timeout. Why? Good question." + */ + .flags = (HWMOD_16BIT_REG | HWMOD_BLOCK_WFI), }; /* I2C2 */ diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 646c14d9fdb9..26eee4a556ad 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -262,13 +262,15 @@ static struct omap_hwmod am33xx_wkup_m3_hwmod = { .name = "wkup_m3", .class = &am33xx_wkup_m3_hwmod_class, .clkdm_name = "l4_wkup_aon_clkdm", - .flags = HWMOD_INIT_NO_RESET, /* Keep hardreset asserted */ + /* Keep hardreset asserted */ + .flags = HWMOD_INIT_NO_RESET | HWMOD_NO_IDLEST, .mpu_irqs = am33xx_wkup_m3_irqs, .main_clk = "dpll_core_m4_div2_ck", .prcm = { .omap4 = { .clkctrl_offs = AM33XX_CM_WKUP_WKUP_M3_CLKCTRL_OFFSET, .rstctrl_offs = AM33XX_RM_WKUP_RSTCTRL_OFFSET, + .rstst_offs = AM33XX_RM_WKUP_RSTST_OFFSET, .modulemode = MODULEMODE_SWCTRL, }, }, @@ -414,7 +416,6 @@ static struct omap_hwmod am33xx_adc_tsc_hwmod = { * - cEFUSE (doesn't fall under any ocp_if) * - clkdiv32k * - debugss - * - ocmc ram * - ocp watch point * - aes0 * - sha0 @@ -481,25 +482,6 @@ static struct omap_hwmod am33xx_debugss_hwmod = { }, }; -/* ocmcram */ -static struct omap_hwmod_class am33xx_ocmcram_hwmod_class = { - .name = "ocmcram", -}; - -static struct omap_hwmod am33xx_ocmcram_hwmod = { - .name = "ocmcram", - .class = &am33xx_ocmcram_hwmod_class, - .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), - .main_clk = "l3_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, -}; - /* ocpwp */ static struct omap_hwmod_class am33xx_ocpwp_hwmod_class = { .name = "ocpwp", @@ -570,6 +552,25 @@ static struct omap_hwmod am33xx_sha0_hwmod = { #endif +/* ocmcram */ +static struct omap_hwmod_class am33xx_ocmcram_hwmod_class = { + .name = "ocmcram", +}; + +static struct omap_hwmod am33xx_ocmcram_hwmod = { + .name = "ocmcram", + .class = &am33xx_ocmcram_hwmod_class, + .clkdm_name = "l3_clkdm", + .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .main_clk = "l3_gclk", + .prcm = { + .omap4 = { + .clkctrl_offs = AM33XX_CM_PER_OCMCRAM_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + /* 'smartreflex' class */ static struct omap_hwmod_class am33xx_smartreflex_hwmod_class = { .name = "smartreflex", @@ -783,9 +784,7 @@ static struct omap_hwmod am33xx_elm_hwmod = { }, }; -/* - * 'epwmss' class: ecap0,1,2, ehrpwm0,1,2 - */ +/* pwmss */ static struct omap_hwmod_class_sysconfig am33xx_epwmss_sysc = { .rev_offs = 0x0, .sysc_offs = 0x4, @@ -801,18 +800,23 @@ static struct omap_hwmod_class am33xx_epwmss_hwmod_class = { .sysc = &am33xx_epwmss_sysc, }; -/* ehrpwm0 */ -static struct omap_hwmod_irq_info am33xx_ehrpwm0_irqs[] = { - { .name = "int", .irq = 86 + OMAP_INTC_START, }, - { .name = "tzint", .irq = 58 + OMAP_INTC_START, }, - { .irq = -1 }, +static struct omap_hwmod_class am33xx_ecap_hwmod_class = { + .name = "ecap", }; -static struct omap_hwmod am33xx_ehrpwm0_hwmod = { - .name = "ehrpwm0", +static struct omap_hwmod_class am33xx_eqep_hwmod_class = { + .name = "eqep", +}; + +static struct omap_hwmod_class am33xx_ehrpwm_hwmod_class = { + .name = "ehrpwm", +}; + +/* epwmss0 */ +static struct omap_hwmod am33xx_epwmss0_hwmod = { + .name = "epwmss0", .class = &am33xx_epwmss_hwmod_class, .clkdm_name = "l4ls_clkdm", - .mpu_irqs = am33xx_ehrpwm0_irqs, .main_clk = "l4ls_gclk", .prcm = { .omap4 = { @@ -822,63 +826,58 @@ static struct omap_hwmod am33xx_ehrpwm0_hwmod = { }, }; -/* ehrpwm1 */ -static struct omap_hwmod_irq_info am33xx_ehrpwm1_irqs[] = { - { .name = "int", .irq = 87 + OMAP_INTC_START, }, - { .name = "tzint", .irq = 59 + OMAP_INTC_START, }, +/* ecap0 */ +static struct omap_hwmod_irq_info am33xx_ecap0_irqs[] = { + { .irq = 31 + OMAP_INTC_START, }, { .irq = -1 }, }; -static struct omap_hwmod am33xx_ehrpwm1_hwmod = { - .name = "ehrpwm1", - .class = &am33xx_epwmss_hwmod_class, +static struct omap_hwmod am33xx_ecap0_hwmod = { + .name = "ecap0", + .class = &am33xx_ecap_hwmod_class, .clkdm_name = "l4ls_clkdm", - .mpu_irqs = am33xx_ehrpwm1_irqs, + .mpu_irqs = am33xx_ecap0_irqs, .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, }; -/* ehrpwm2 */ -static struct omap_hwmod_irq_info am33xx_ehrpwm2_irqs[] = { - { .name = "int", .irq = 39 + OMAP_INTC_START, }, - { .name = "tzint", .irq = 60 + OMAP_INTC_START, }, +/* eqep0 */ +static struct omap_hwmod_irq_info am33xx_eqep0_irqs[] = { + { .irq = 79 + OMAP_INTC_START, }, { .irq = -1 }, }; -static struct omap_hwmod am33xx_ehrpwm2_hwmod = { - .name = "ehrpwm2", - .class = &am33xx_epwmss_hwmod_class, +static struct omap_hwmod am33xx_eqep0_hwmod = { + .name = "eqep0", + .class = &am33xx_eqep_hwmod_class, .clkdm_name = "l4ls_clkdm", - .mpu_irqs = am33xx_ehrpwm2_irqs, + .mpu_irqs = am33xx_eqep0_irqs, .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, }; -/* ecap0 */ -static struct omap_hwmod_irq_info am33xx_ecap0_irqs[] = { - { .irq = 31 + OMAP_INTC_START, }, +/* ehrpwm0 */ +static struct omap_hwmod_irq_info am33xx_ehrpwm0_irqs[] = { + { .name = "int", .irq = 86 + OMAP_INTC_START, }, + { .name = "tzint", .irq = 58 + OMAP_INTC_START, }, { .irq = -1 }, }; -static struct omap_hwmod am33xx_ecap0_hwmod = { - .name = "ecap0", +static struct omap_hwmod am33xx_ehrpwm0_hwmod = { + .name = "ehrpwm0", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .mpu_irqs = am33xx_ehrpwm0_irqs, + .main_clk = "l4ls_gclk", +}; + +/* epwmss1 */ +static struct omap_hwmod am33xx_epwmss1_hwmod = { + .name = "epwmss1", .class = &am33xx_epwmss_hwmod_class, .clkdm_name = "l4ls_clkdm", - .mpu_irqs = am33xx_ecap0_irqs, .main_clk = "l4ls_gclk", .prcm = { .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS0_CLKCTRL_OFFSET, + .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET, .modulemode = MODULEMODE_SWCTRL, }, }, @@ -892,13 +891,50 @@ static struct omap_hwmod_irq_info am33xx_ecap1_irqs[] = { static struct omap_hwmod am33xx_ecap1_hwmod = { .name = "ecap1", - .class = &am33xx_epwmss_hwmod_class, + .class = &am33xx_ecap_hwmod_class, .clkdm_name = "l4ls_clkdm", .mpu_irqs = am33xx_ecap1_irqs, .main_clk = "l4ls_gclk", +}; + +/* eqep1 */ +static struct omap_hwmod_irq_info am33xx_eqep1_irqs[] = { + { .irq = 88 + OMAP_INTC_START, }, + { .irq = -1 }, +}; + +static struct omap_hwmod am33xx_eqep1_hwmod = { + .name = "eqep1", + .class = &am33xx_eqep_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .mpu_irqs = am33xx_eqep1_irqs, + .main_clk = "l4ls_gclk", +}; + +/* ehrpwm1 */ +static struct omap_hwmod_irq_info am33xx_ehrpwm1_irqs[] = { + { .name = "int", .irq = 87 + OMAP_INTC_START, }, + { .name = "tzint", .irq = 59 + OMAP_INTC_START, }, + { .irq = -1 }, +}; + +static struct omap_hwmod am33xx_ehrpwm1_hwmod = { + .name = "ehrpwm1", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .mpu_irqs = am33xx_ehrpwm1_irqs, + .main_clk = "l4ls_gclk", +}; + +/* epwmss2 */ +static struct omap_hwmod am33xx_epwmss2_hwmod = { + .name = "epwmss2", + .class = &am33xx_epwmss_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .main_clk = "l4ls_gclk", .prcm = { .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS1_CLKCTRL_OFFSET, + .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET, .modulemode = MODULEMODE_SWCTRL, }, }, @@ -912,16 +948,39 @@ static struct omap_hwmod_irq_info am33xx_ecap2_irqs[] = { static struct omap_hwmod am33xx_ecap2_hwmod = { .name = "ecap2", + .class = &am33xx_ecap_hwmod_class, + .clkdm_name = "l4ls_clkdm", .mpu_irqs = am33xx_ecap2_irqs, - .class = &am33xx_epwmss_hwmod_class, + .main_clk = "l4ls_gclk", +}; + +/* eqep2 */ +static struct omap_hwmod_irq_info am33xx_eqep2_irqs[] = { + { .irq = 89 + OMAP_INTC_START, }, + { .irq = -1 }, +}; + +static struct omap_hwmod am33xx_eqep2_hwmod = { + .name = "eqep2", + .class = &am33xx_eqep_hwmod_class, .clkdm_name = "l4ls_clkdm", + .mpu_irqs = am33xx_eqep2_irqs, + .main_clk = "l4ls_gclk", +}; + +/* ehrpwm2 */ +static struct omap_hwmod_irq_info am33xx_ehrpwm2_irqs[] = { + { .name = "int", .irq = 39 + OMAP_INTC_START, }, + { .name = "tzint", .irq = 60 + OMAP_INTC_START, }, + { .irq = -1 }, +}; + +static struct omap_hwmod am33xx_ehrpwm2_hwmod = { + .name = "ehrpwm2", + .class = &am33xx_ehrpwm_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .mpu_irqs = am33xx_ehrpwm2_irqs, .main_clk = "l4ls_gclk", - .prcm = { - .omap4 = { - .clkctrl_offs = AM33XX_CM_PER_EPWMSS2_CLKCTRL_OFFSET, - .modulemode = MODULEMODE_SWCTRL, - }, - }, }; /* @@ -1824,6 +1883,7 @@ static struct omap_hwmod am33xx_tptc0_hwmod = { .class = &am33xx_tptc_hwmod_class, .clkdm_name = "l3_clkdm", .mpu_irqs = am33xx_tptc0_irqs, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY, .main_clk = "l3_gclk", .prcm = { .omap4 = { @@ -2496,7 +2556,6 @@ static struct omap_hwmod_addr_space am33xx_cpgmac0_addr_space[] = { { .pa_start = 0x4a100000, .pa_end = 0x4a100000 + SZ_2K - 1, - .flags = ADDR_TYPE_RT, }, /* cpsw wr */ { @@ -2547,162 +2606,202 @@ static struct omap_hwmod_ocp_if am33xx_l4_ls__elm = { .user = OCP_USER_MPU, }; -/* - * Splitting the resources to handle access of PWMSS config space - * and module specific part independently - */ -static struct omap_hwmod_addr_space am33xx_ehrpwm0_addr_space[] = { +static struct omap_hwmod_addr_space am33xx_epwmss0_addr_space[] = { { .pa_start = 0x48300000, .pa_end = 0x48300000 + SZ_16 - 1, .flags = ADDR_TYPE_RT }, - { - .pa_start = 0x48300200, - .pa_end = 0x48300200 + SZ_256 - 1, - .flags = ADDR_TYPE_RT - }, { } }; -static struct omap_hwmod_ocp_if am33xx_l4_ls__ehrpwm0 = { +static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss0 = { .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_ehrpwm0_hwmod, + .slave = &am33xx_epwmss0_hwmod, .clk = "l4ls_gclk", - .addr = am33xx_ehrpwm0_addr_space, + .addr = am33xx_epwmss0_addr_space, .user = OCP_USER_MPU, }; -/* - * Splitting the resources to handle access of PWMSS config space - * and module specific part independently - */ -static struct omap_hwmod_addr_space am33xx_ehrpwm1_addr_space[] = { - { - .pa_start = 0x48302000, - .pa_end = 0x48302000 + SZ_16 - 1, - .flags = ADDR_TYPE_RT - }, +static struct omap_hwmod_addr_space am33xx_ecap0_addr_space[] = { { - .pa_start = 0x48302200, - .pa_end = 0x48302200 + SZ_256 - 1, - .flags = ADDR_TYPE_RT + .pa_start = 0x48300100, + .pa_end = 0x48300100 + SZ_128 - 1, }, { } }; -static struct omap_hwmod_ocp_if am33xx_l4_ls__ehrpwm1 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_ehrpwm1_hwmod, +static struct omap_hwmod_ocp_if am33xx_epwmss0__ecap0 = { + .master = &am33xx_epwmss0_hwmod, + .slave = &am33xx_ecap0_hwmod, .clk = "l4ls_gclk", - .addr = am33xx_ehrpwm1_addr_space, + .addr = am33xx_ecap0_addr_space, .user = OCP_USER_MPU, }; -/* - * Splitting the resources to handle access of PWMSS config space - * and module specific part independently - */ -static struct omap_hwmod_addr_space am33xx_ehrpwm2_addr_space[] = { +static struct omap_hwmod_addr_space am33xx_eqep0_addr_space[] = { { - .pa_start = 0x48304000, - .pa_end = 0x48304000 + SZ_16 - 1, - .flags = ADDR_TYPE_RT - }, - { - .pa_start = 0x48304200, - .pa_end = 0x48304200 + SZ_256 - 1, - .flags = ADDR_TYPE_RT + .pa_start = 0x48300180, + .pa_end = 0x48300180 + SZ_128 - 1, }, { } }; -static struct omap_hwmod_ocp_if am33xx_l4_ls__ehrpwm2 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_ehrpwm2_hwmod, +static struct omap_hwmod_ocp_if am33xx_epwmss0__eqep0 = { + .master = &am33xx_epwmss0_hwmod, + .slave = &am33xx_eqep0_hwmod, .clk = "l4ls_gclk", - .addr = am33xx_ehrpwm2_addr_space, + .addr = am33xx_eqep0_addr_space, .user = OCP_USER_MPU, }; -/* - * Splitting the resources to handle access of PWMSS config space - * and module specific part independently - */ -static struct omap_hwmod_addr_space am33xx_ecap0_addr_space[] = { - { - .pa_start = 0x48300000, - .pa_end = 0x48300000 + SZ_16 - 1, - .flags = ADDR_TYPE_RT - }, +static struct omap_hwmod_addr_space am33xx_ehrpwm0_addr_space[] = { { - .pa_start = 0x48300100, - .pa_end = 0x48300100 + SZ_256 - 1, - .flags = ADDR_TYPE_RT + .pa_start = 0x48300200, + .pa_end = 0x48300200 + SZ_128 - 1, }, { } }; -static struct omap_hwmod_ocp_if am33xx_l4_ls__ecap0 = { - .master = &am33xx_l4_ls_hwmod, - .slave = &am33xx_ecap0_hwmod, +static struct omap_hwmod_ocp_if am33xx_epwmss0__ehrpwm0 = { + .master = &am33xx_epwmss0_hwmod, + .slave = &am33xx_ehrpwm0_hwmod, .clk = "l4ls_gclk", - .addr = am33xx_ecap0_addr_space, + .addr = am33xx_ehrpwm0_addr_space, .user = OCP_USER_MPU, }; -/* - * Splitting the resources to handle access of PWMSS config space - * and module specific part independently - */ -static struct omap_hwmod_addr_space am33xx_ecap1_addr_space[] = { + +static struct omap_hwmod_addr_space am33xx_epwmss1_addr_space[] = { { .pa_start = 0x48302000, .pa_end = 0x48302000 + SZ_16 - 1, .flags = ADDR_TYPE_RT }, + { } +}; + +static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss1 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_epwmss1_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_epwmss1_addr_space, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_ecap1_addr_space[] = { { .pa_start = 0x48302100, - .pa_end = 0x48302100 + SZ_256 - 1, - .flags = ADDR_TYPE_RT + .pa_end = 0x48302100 + SZ_128 - 1, }, { } }; -static struct omap_hwmod_ocp_if am33xx_l4_ls__ecap1 = { - .master = &am33xx_l4_ls_hwmod, +static struct omap_hwmod_ocp_if am33xx_epwmss1__ecap1 = { + .master = &am33xx_epwmss1_hwmod, .slave = &am33xx_ecap1_hwmod, .clk = "l4ls_gclk", .addr = am33xx_ecap1_addr_space, .user = OCP_USER_MPU, }; -/* - * Splitting the resources to handle access of PWMSS config space - * and module specific part independently - */ -static struct omap_hwmod_addr_space am33xx_ecap2_addr_space[] = { +static struct omap_hwmod_addr_space am33xx_eqep1_addr_space[] = { + { + .pa_start = 0x48302180, + .pa_end = 0x48302180 + SZ_128 - 1, + }, + { } +}; + +static struct omap_hwmod_ocp_if am33xx_epwmss1__eqep1 = { + .master = &am33xx_epwmss1_hwmod, + .slave = &am33xx_eqep1_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_eqep1_addr_space, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_ehrpwm1_addr_space[] = { + { + .pa_start = 0x48302200, + .pa_end = 0x48302200 + SZ_128 - 1, + }, + { } +}; + +static struct omap_hwmod_ocp_if am33xx_epwmss1__ehrpwm1 = { + .master = &am33xx_epwmss1_hwmod, + .slave = &am33xx_ehrpwm1_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_ehrpwm1_addr_space, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_epwmss2_addr_space[] = { { .pa_start = 0x48304000, .pa_end = 0x48304000 + SZ_16 - 1, .flags = ADDR_TYPE_RT }, + { } +}; + +static struct omap_hwmod_ocp_if am33xx_l4_ls__epwmss2 = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_epwmss2_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_epwmss2_addr_space, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_ecap2_addr_space[] = { { .pa_start = 0x48304100, - .pa_end = 0x48304100 + SZ_256 - 1, - .flags = ADDR_TYPE_RT + .pa_end = 0x48304100 + SZ_128 - 1, }, { } }; -static struct omap_hwmod_ocp_if am33xx_l4_ls__ecap2 = { - .master = &am33xx_l4_ls_hwmod, +static struct omap_hwmod_ocp_if am33xx_epwmss2__ecap2 = { + .master = &am33xx_epwmss2_hwmod, .slave = &am33xx_ecap2_hwmod, .clk = "l4ls_gclk", .addr = am33xx_ecap2_addr_space, .user = OCP_USER_MPU, }; +static struct omap_hwmod_addr_space am33xx_eqep2_addr_space[] = { + { + .pa_start = 0x48304180, + .pa_end = 0x48304180 + SZ_128 - 1, + }, + { } +}; + +static struct omap_hwmod_ocp_if am33xx_epwmss2__eqep2 = { + .master = &am33xx_epwmss2_hwmod, + .slave = &am33xx_eqep2_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_eqep2_addr_space, + .user = OCP_USER_MPU, +}; + +static struct omap_hwmod_addr_space am33xx_ehrpwm2_addr_space[] = { + { + .pa_start = 0x48304200, + .pa_end = 0x48304200 + SZ_128 - 1, + }, + { } +}; + +static struct omap_hwmod_ocp_if am33xx_epwmss2__ehrpwm2 = { + .master = &am33xx_epwmss2_hwmod, + .slave = &am33xx_ehrpwm2_hwmod, + .clk = "l4ls_gclk", + .addr = am33xx_ehrpwm2_addr_space, + .user = OCP_USER_MPU, +}; + /* l3s cfg -> gpmc */ static struct omap_hwmod_addr_space am33xx_gpmc_addr_space[] = { { @@ -3328,6 +3427,13 @@ static struct omap_hwmod_ocp_if am33xx_l3_s__usbss = { .flags = OCPIF_SWSUP_IDLE, }; +/* l3 main -> ocmc */ +static struct omap_hwmod_ocp_if am33xx_l3_main__ocmc = { + .master = &am33xx_l3_main_hwmod, + .slave = &am33xx_ocmcram_hwmod, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { &am33xx_l4_fw__emif_fw, &am33xx_l3_main__emif, @@ -3385,12 +3491,18 @@ static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { &am33xx_l4_ls__uart6, &am33xx_l4_ls__spinlock, &am33xx_l4_ls__elm, - &am33xx_l4_ls__ehrpwm0, - &am33xx_l4_ls__ehrpwm1, - &am33xx_l4_ls__ehrpwm2, - &am33xx_l4_ls__ecap0, - &am33xx_l4_ls__ecap1, - &am33xx_l4_ls__ecap2, + &am33xx_l4_ls__epwmss0, + &am33xx_epwmss0__ecap0, + &am33xx_epwmss0__eqep0, + &am33xx_epwmss0__ehrpwm0, + &am33xx_l4_ls__epwmss1, + &am33xx_epwmss1__ecap1, + &am33xx_epwmss1__eqep1, + &am33xx_epwmss1__ehrpwm1, + &am33xx_l4_ls__epwmss2, + &am33xx_epwmss2__ecap2, + &am33xx_epwmss2__eqep2, + &am33xx_epwmss2__ehrpwm2, &am33xx_l3_s__gpmc, &am33xx_l3_main__lcdc, &am33xx_l4_ls__mcspi0, @@ -3398,6 +3510,7 @@ static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { &am33xx_l3_main__tptc0, &am33xx_l3_main__tptc1, &am33xx_l3_main__tptc2, + &am33xx_l3_main__ocmc, &am33xx_l3_s__usbss, &am33xx_l4_hs__cpgmac0, &am33xx_cpgmac0__mdio, diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 8bb2628df34e..ac7e03ec952f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -3493,7 +3493,12 @@ static struct omap_hwmod am35xx_emac_hwmod = { .name = "davinci_emac", .mpu_irqs = am35xx_emac_mpu_irqs, .class = &am35xx_emac_class, - .flags = HWMOD_NO_IDLEST, + /* + * According to Mark Greer, the MPU will not return from WFI + * when the EMAC signals an interrupt. + * http://www.spinics.net/lists/arm-kernel/msg174734.html + */ + .flags = (HWMOD_NO_IDLEST | HWMOD_BLOCK_WFI), }; /* l3_core -> davinci emac interface */ diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 793f54ac7d14..a1849a883702 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -616,7 +616,7 @@ static struct omap_hwmod omap44xx_dmic_hwmod = { .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_dmic_irqs, .sdma_reqs = omap44xx_dmic_sdma_reqs, - .main_clk = "dmic_fck", + .main_clk = "func_dmic_abe_gfclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_DMIC_CLKCTRL_OFFSET, @@ -1161,7 +1161,7 @@ static struct omap_hwmod omap44xx_gpio1_hwmod = { .class = &omap44xx_gpio_hwmod_class, .clkdm_name = "l4_wkup_clkdm", .mpu_irqs = omap44xx_gpio1_irqs, - .main_clk = "gpio1_ick", + .main_clk = "l4_wkup_clk_mux_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_WKUP_GPIO1_CLKCTRL_OFFSET, @@ -1190,7 +1190,7 @@ static struct omap_hwmod omap44xx_gpio2_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap44xx_gpio2_irqs, - .main_clk = "gpio2_ick", + .main_clk = "l4_div_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_GPIO2_CLKCTRL_OFFSET, @@ -1219,7 +1219,7 @@ static struct omap_hwmod omap44xx_gpio3_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap44xx_gpio3_irqs, - .main_clk = "gpio3_ick", + .main_clk = "l4_div_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_GPIO3_CLKCTRL_OFFSET, @@ -1248,7 +1248,7 @@ static struct omap_hwmod omap44xx_gpio4_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap44xx_gpio4_irqs, - .main_clk = "gpio4_ick", + .main_clk = "l4_div_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_GPIO4_CLKCTRL_OFFSET, @@ -1277,7 +1277,7 @@ static struct omap_hwmod omap44xx_gpio5_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap44xx_gpio5_irqs, - .main_clk = "gpio5_ick", + .main_clk = "l4_div_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_GPIO5_CLKCTRL_OFFSET, @@ -1306,7 +1306,7 @@ static struct omap_hwmod omap44xx_gpio6_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_CONTROL_OPT_CLKS_IN_RESET, .mpu_irqs = omap44xx_gpio6_irqs, - .main_clk = "gpio6_ick", + .main_clk = "l4_div_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_GPIO6_CLKCTRL_OFFSET, @@ -1405,7 +1405,7 @@ static struct omap_hwmod omap44xx_gpu_hwmod = { .class = &omap44xx_gpu_hwmod_class, .clkdm_name = "l3_gfx_clkdm", .mpu_irqs = omap44xx_gpu_irqs, - .main_clk = "gpu_fck", + .main_clk = "sgx_clk_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_GFX_GFX_CLKCTRL_OFFSET, @@ -1446,7 +1446,7 @@ static struct omap_hwmod omap44xx_hdq1w_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_INIT_NO_RESET, /* XXX temporary */ .mpu_irqs = omap44xx_hdq1w_irqs, - .main_clk = "hdq1w_fck", + .main_clk = "func_12m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_HDQ1W_CLKCTRL_OFFSET, @@ -1550,7 +1550,7 @@ static struct omap_hwmod omap44xx_i2c1_hwmod = { .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_i2c1_irqs, .sdma_reqs = omap44xx_i2c1_sdma_reqs, - .main_clk = "i2c1_fck", + .main_clk = "func_96m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_I2C1_CLKCTRL_OFFSET, @@ -1580,7 +1580,7 @@ static struct omap_hwmod omap44xx_i2c2_hwmod = { .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_i2c2_irqs, .sdma_reqs = omap44xx_i2c2_sdma_reqs, - .main_clk = "i2c2_fck", + .main_clk = "func_96m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_I2C2_CLKCTRL_OFFSET, @@ -1610,7 +1610,7 @@ static struct omap_hwmod omap44xx_i2c3_hwmod = { .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_i2c3_irqs, .sdma_reqs = omap44xx_i2c3_sdma_reqs, - .main_clk = "i2c3_fck", + .main_clk = "func_96m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_I2C3_CLKCTRL_OFFSET, @@ -1640,7 +1640,7 @@ static struct omap_hwmod omap44xx_i2c4_hwmod = { .flags = HWMOD_16BIT_REG | HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_i2c4_irqs, .sdma_reqs = omap44xx_i2c4_sdma_reqs, - .main_clk = "i2c4_fck", + .main_clk = "func_96m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_I2C4_CLKCTRL_OFFSET, @@ -1743,7 +1743,7 @@ static struct omap_hwmod omap44xx_iss_hwmod = { .clkdm_name = "iss_clkdm", .mpu_irqs = omap44xx_iss_irqs, .sdma_reqs = omap44xx_iss_sdma_reqs, - .main_clk = "iss_fck", + .main_clk = "ducati_clk_mux_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_CAM_ISS_CLKCTRL_OFFSET, @@ -1785,7 +1785,7 @@ static struct omap_hwmod omap44xx_iva_hwmod = { .mpu_irqs = omap44xx_iva_irqs, .rst_lines = omap44xx_iva_resets, .rst_lines_cnt = ARRAY_SIZE(omap44xx_iva_resets), - .main_clk = "iva_fck", + .main_clk = "dpll_iva_m5x2_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_IVAHD_IVAHD_CLKCTRL_OFFSET, @@ -1829,7 +1829,7 @@ static struct omap_hwmod omap44xx_kbd_hwmod = { .class = &omap44xx_kbd_hwmod_class, .clkdm_name = "l4_wkup_clkdm", .mpu_irqs = omap44xx_kbd_irqs, - .main_clk = "kbd_fck", + .main_clk = "sys_32k_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_WKUP_KEYBOARD_CLKCTRL_OFFSET, @@ -1920,7 +1920,7 @@ static struct omap_hwmod omap44xx_mcasp_hwmod = { .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_mcasp_irqs, .sdma_reqs = omap44xx_mcasp_sdma_reqs, - .main_clk = "mcasp_fck", + .main_clk = "func_mcasp_abe_gfclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_MCASP_CLKCTRL_OFFSET, @@ -1972,7 +1972,7 @@ static struct omap_hwmod omap44xx_mcbsp1_hwmod = { .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_mcbsp1_irqs, .sdma_reqs = omap44xx_mcbsp1_sdma_reqs, - .main_clk = "mcbsp1_fck", + .main_clk = "func_mcbsp1_gfclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_MCBSP1_CLKCTRL_OFFSET, @@ -2007,7 +2007,7 @@ static struct omap_hwmod omap44xx_mcbsp2_hwmod = { .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_mcbsp2_irqs, .sdma_reqs = omap44xx_mcbsp2_sdma_reqs, - .main_clk = "mcbsp2_fck", + .main_clk = "func_mcbsp2_gfclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_MCBSP2_CLKCTRL_OFFSET, @@ -2042,7 +2042,7 @@ static struct omap_hwmod omap44xx_mcbsp3_hwmod = { .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_mcbsp3_irqs, .sdma_reqs = omap44xx_mcbsp3_sdma_reqs, - .main_clk = "mcbsp3_fck", + .main_clk = "func_mcbsp3_gfclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_MCBSP3_CLKCTRL_OFFSET, @@ -2077,7 +2077,7 @@ static struct omap_hwmod omap44xx_mcbsp4_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mcbsp4_irqs, .sdma_reqs = omap44xx_mcbsp4_sdma_reqs, - .main_clk = "mcbsp4_fck", + .main_clk = "per_mcbsp4_gfclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MCBSP4_CLKCTRL_OFFSET, @@ -2140,7 +2140,7 @@ static struct omap_hwmod omap44xx_mcpdm_hwmod = { .flags = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE, .mpu_irqs = omap44xx_mcpdm_irqs, .sdma_reqs = omap44xx_mcpdm_sdma_reqs, - .main_clk = "mcpdm_fck", + .main_clk = "pad_clks_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_PDM_CLKCTRL_OFFSET, @@ -2201,7 +2201,7 @@ static struct omap_hwmod omap44xx_mcspi1_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mcspi1_irqs, .sdma_reqs = omap44xx_mcspi1_sdma_reqs, - .main_clk = "mcspi1_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MCSPI1_CLKCTRL_OFFSET, @@ -2237,7 +2237,7 @@ static struct omap_hwmod omap44xx_mcspi2_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mcspi2_irqs, .sdma_reqs = omap44xx_mcspi2_sdma_reqs, - .main_clk = "mcspi2_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MCSPI2_CLKCTRL_OFFSET, @@ -2273,7 +2273,7 @@ static struct omap_hwmod omap44xx_mcspi3_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mcspi3_irqs, .sdma_reqs = omap44xx_mcspi3_sdma_reqs, - .main_clk = "mcspi3_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MCSPI3_CLKCTRL_OFFSET, @@ -2307,7 +2307,7 @@ static struct omap_hwmod omap44xx_mcspi4_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mcspi4_irqs, .sdma_reqs = omap44xx_mcspi4_sdma_reqs, - .main_clk = "mcspi4_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MCSPI4_CLKCTRL_OFFSET, @@ -2363,7 +2363,7 @@ static struct omap_hwmod omap44xx_mmc1_hwmod = { .clkdm_name = "l3_init_clkdm", .mpu_irqs = omap44xx_mmc1_irqs, .sdma_reqs = omap44xx_mmc1_sdma_reqs, - .main_clk = "mmc1_fck", + .main_clk = "hsmmc1_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L3INIT_MMC1_CLKCTRL_OFFSET, @@ -2392,7 +2392,7 @@ static struct omap_hwmod omap44xx_mmc2_hwmod = { .clkdm_name = "l3_init_clkdm", .mpu_irqs = omap44xx_mmc2_irqs, .sdma_reqs = omap44xx_mmc2_sdma_reqs, - .main_clk = "mmc2_fck", + .main_clk = "hsmmc2_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L3INIT_MMC2_CLKCTRL_OFFSET, @@ -2420,7 +2420,7 @@ static struct omap_hwmod omap44xx_mmc3_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mmc3_irqs, .sdma_reqs = omap44xx_mmc3_sdma_reqs, - .main_clk = "mmc3_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MMCSD3_CLKCTRL_OFFSET, @@ -2448,7 +2448,7 @@ static struct omap_hwmod omap44xx_mmc4_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mmc4_irqs, .sdma_reqs = omap44xx_mmc4_sdma_reqs, - .main_clk = "mmc4_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MMCSD4_CLKCTRL_OFFSET, @@ -2476,7 +2476,7 @@ static struct omap_hwmod omap44xx_mmc5_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_mmc5_irqs, .sdma_reqs = omap44xx_mmc5_sdma_reqs, - .main_clk = "mmc5_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_MMCSD5_CLKCTRL_OFFSET, @@ -2725,7 +2725,7 @@ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = { .name = "ocp2scp_usb_phy", .class = &omap44xx_ocp2scp_hwmod_class, .clkdm_name = "l3_init_clkdm", - .main_clk = "ocp2scp_usb_phy_phy_48m", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L3INIT_USBPHYOCP2SCP_CLKCTRL_OFFSET, @@ -3162,7 +3162,7 @@ static struct omap_hwmod omap44xx_timer1_hwmod = { .clkdm_name = "l4_wkup_clkdm", .flags = HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_timer1_irqs, - .main_clk = "timer1_fck", + .main_clk = "dmt1_clk_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_WKUP_TIMER1_CLKCTRL_OFFSET, @@ -3185,7 +3185,7 @@ static struct omap_hwmod omap44xx_timer2_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_timer2_irqs, - .main_clk = "timer2_fck", + .main_clk = "cm2_dm2_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER2_CLKCTRL_OFFSET, @@ -3206,7 +3206,7 @@ static struct omap_hwmod omap44xx_timer3_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_timer3_irqs, - .main_clk = "timer3_fck", + .main_clk = "cm2_dm3_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER3_CLKCTRL_OFFSET, @@ -3227,7 +3227,7 @@ static struct omap_hwmod omap44xx_timer4_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_timer4_irqs, - .main_clk = "timer4_fck", + .main_clk = "cm2_dm4_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER4_CLKCTRL_OFFSET, @@ -3248,7 +3248,7 @@ static struct omap_hwmod omap44xx_timer5_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_timer5_irqs, - .main_clk = "timer5_fck", + .main_clk = "timer5_sync_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_TIMER5_CLKCTRL_OFFSET, @@ -3270,8 +3270,7 @@ static struct omap_hwmod omap44xx_timer6_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_timer6_irqs, - - .main_clk = "timer6_fck", + .main_clk = "timer6_sync_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_TIMER6_CLKCTRL_OFFSET, @@ -3293,7 +3292,7 @@ static struct omap_hwmod omap44xx_timer7_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_timer7_irqs, - .main_clk = "timer7_fck", + .main_clk = "timer7_sync_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_TIMER7_CLKCTRL_OFFSET, @@ -3315,7 +3314,7 @@ static struct omap_hwmod omap44xx_timer8_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_timer8_irqs, - .main_clk = "timer8_fck", + .main_clk = "timer8_sync_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_TIMER8_CLKCTRL_OFFSET, @@ -3337,7 +3336,7 @@ static struct omap_hwmod omap44xx_timer9_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_timer9_irqs, - .main_clk = "timer9_fck", + .main_clk = "cm2_dm9_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER9_CLKCTRL_OFFSET, @@ -3360,7 +3359,7 @@ static struct omap_hwmod omap44xx_timer10_hwmod = { .clkdm_name = "l4_per_clkdm", .flags = HWMOD_SET_DEFAULT_CLOCKACT, .mpu_irqs = omap44xx_timer10_irqs, - .main_clk = "timer10_fck", + .main_clk = "cm2_dm10_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER10_CLKCTRL_OFFSET, @@ -3382,7 +3381,7 @@ static struct omap_hwmod omap44xx_timer11_hwmod = { .class = &omap44xx_timer_hwmod_class, .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_timer11_irqs, - .main_clk = "timer11_fck", + .main_clk = "cm2_dm11_mux", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_DMTIMER11_CLKCTRL_OFFSET, @@ -3433,7 +3432,7 @@ static struct omap_hwmod omap44xx_uart1_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_uart1_irqs, .sdma_reqs = omap44xx_uart1_sdma_reqs, - .main_clk = "uart1_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_UART1_CLKCTRL_OFFSET, @@ -3461,7 +3460,7 @@ static struct omap_hwmod omap44xx_uart2_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_uart2_irqs, .sdma_reqs = omap44xx_uart2_sdma_reqs, - .main_clk = "uart2_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_UART2_CLKCTRL_OFFSET, @@ -3490,7 +3489,7 @@ static struct omap_hwmod omap44xx_uart3_hwmod = { .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, .mpu_irqs = omap44xx_uart3_irqs, .sdma_reqs = omap44xx_uart3_sdma_reqs, - .main_clk = "uart3_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_UART3_CLKCTRL_OFFSET, @@ -3518,7 +3517,7 @@ static struct omap_hwmod omap44xx_uart4_hwmod = { .clkdm_name = "l4_per_clkdm", .mpu_irqs = omap44xx_uart4_irqs, .sdma_reqs = omap44xx_uart4_sdma_reqs, - .main_clk = "uart4_fck", + .main_clk = "func_48m_fclk", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_L4PER_UART4_CLKCTRL_OFFSET, @@ -3797,7 +3796,7 @@ static struct omap_hwmod omap44xx_wd_timer2_hwmod = { .class = &omap44xx_wd_timer_hwmod_class, .clkdm_name = "l4_wkup_clkdm", .mpu_irqs = omap44xx_wd_timer2_irqs, - .main_clk = "wd_timer2_fck", + .main_clk = "sys_32k_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_WKUP_WDT2_CLKCTRL_OFFSET, @@ -3818,7 +3817,7 @@ static struct omap_hwmod omap44xx_wd_timer3_hwmod = { .class = &omap44xx_wd_timer_hwmod_class, .clkdm_name = "abe_clkdm", .mpu_irqs = omap44xx_wd_timer3_irqs, - .main_clk = "wd_timer3_fck", + .main_clk = "sys_32k_ck", .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM1_ABE_WDT3_CLKCTRL_OFFSET, diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index e2c291f52f92..6db89ae92389 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -83,10 +83,8 @@ static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user) strncmp(clkdm->name, "dpll", 4) == 0) return 0; - seq_printf(s, "%s->%s (%d)", clkdm->name, - clkdm->pwrdm.ptr->name, - atomic_read(&clkdm->usecount)); - seq_printf(s, "\n"); + seq_printf(s, "%s->%s (%d)\n", clkdm->name, clkdm->pwrdm.ptr->name, + clkdm->usecount); return 0; } diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index f4b3143a8b1d..9a9be3c9f208 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -32,8 +32,6 @@ #include "pm.h" #include "twl-common.h" -static struct omap_device_pm_latency *pm_lats; - /* * omap_pm_suspend: points to a function that does the SoC-specific * suspend work @@ -82,7 +80,7 @@ static int __init _init_omap_device(char *name) __func__, name)) return -ENODEV; - pdev = omap_device_build(oh->name, 0, oh, NULL, 0, pm_lats, 0, false); + pdev = omap_device_build(oh->name, 0, oh, NULL, 0); if (WARN(IS_ERR(pdev), "%s: could not build omap_device for %s\n", __func__, name)) return -ENODEV; @@ -108,80 +106,19 @@ static void __init omap2_init_processor_devices(void) } } -/* Types of sleep_switch used in omap_set_pwrdm_state */ -#define FORCEWAKEUP_SWITCH 0 -#define LOWPOWERSTATE_SWITCH 1 - int __init omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused) { + /* XXX The usecount test is racy */ if ((clkdm->flags & CLKDM_CAN_ENABLE_AUTO) && !(clkdm->flags & CLKDM_MISSING_IDLE_REPORTING)) clkdm_allow_idle(clkdm); else if (clkdm->flags & CLKDM_CAN_FORCE_SLEEP && - atomic_read(&clkdm->usecount) == 0) + clkdm->usecount == 0) clkdm_sleep(clkdm); return 0; } /* - * This sets pwrdm state (other than mpu & core. Currently only ON & - * RET are supported. - */ -int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 pwrst) -{ - u8 curr_pwrst, next_pwrst; - int sleep_switch = -1, ret = 0, hwsup = 0; - - if (!pwrdm || IS_ERR(pwrdm)) - return -EINVAL; - - while (!(pwrdm->pwrsts & (1 << pwrst))) { - if (pwrst == PWRDM_POWER_OFF) - return ret; - pwrst--; - } - - next_pwrst = pwrdm_read_next_pwrst(pwrdm); - if (next_pwrst == pwrst) - return ret; - - curr_pwrst = pwrdm_read_pwrst(pwrdm); - if (curr_pwrst < PWRDM_POWER_ON) { - if ((curr_pwrst > pwrst) && - (pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE)) { - sleep_switch = LOWPOWERSTATE_SWITCH; - } else { - hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]); - clkdm_wakeup(pwrdm->pwrdm_clkdms[0]); - sleep_switch = FORCEWAKEUP_SWITCH; - } - } - - ret = pwrdm_set_next_pwrst(pwrdm, pwrst); - if (ret) - pr_err("%s: unable to set power state of powerdomain: %s\n", - __func__, pwrdm->name); - - switch (sleep_switch) { - case FORCEWAKEUP_SWITCH: - if (hwsup) - clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]); - else - clkdm_sleep(pwrdm->pwrdm_clkdms[0]); - break; - case LOWPOWERSTATE_SWITCH: - pwrdm_set_lowpwrstchange(pwrdm); - pwrdm_wait_transition(pwrdm); - pwrdm_state_switch(pwrdm); - break; - } - - return ret; -} - - - -/* * This API is to be called during init to set the various voltage * domains to the voltage as per the opp table. Typically we boot up * at the nominal voltage. So this function finds out the rate of diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index c22503b17abd..7bdd22afce69 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -33,7 +33,6 @@ static inline int omap4_idle_init(void) extern void *omap3_secure_ram_storage; extern void omap3_pm_off_mode_enable(int); extern void omap_sram_idle(void); -extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state); extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused); extern int (*omap_pm_suspend)(void); diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index c333fa6dffa8..b59d93908341 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -54,7 +54,6 @@ #include "powerdomain.h" #include "clockdomain.h" -static void (*omap2_sram_idle)(void); static void (*omap2_sram_suspend)(u32 dllctrl, void __iomem *sdrc_dlla_ctrl, void __iomem *sdrc_power); @@ -90,11 +89,7 @@ static int omap2_enter_full_retention(void) omap2_prm_write_mod_reg(0xffffffff, CORE_MOD, OMAP24XX_PM_WKST2); omap2_prm_write_mod_reg(0xffffffff, WKUP_MOD, PM_WKST); - /* - * Set MPU powerdomain's next power state to RETENTION; - * preserve logic state during retention - */ - pwrdm_set_logic_retst(mpu_pwrdm, PWRDM_POWER_RET); + pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_RET); pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET); /* Workaround to kill USB */ @@ -137,15 +132,10 @@ no_sleep: /* Mask future PRCM-to-MPU interrupts */ omap2_prm_write_mod_reg(0x0, OCP_MOD, OMAP2_PRCM_IRQSTATUS_MPU_OFFSET); - return 0; -} - -static int omap2_i2c_active(void) -{ - u32 l; + pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); + pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_ON); - l = omap2_cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); - return l & (OMAP2420_EN_I2C2_MASK | OMAP2420_EN_I2C1_MASK); + return 0; } static int sti_console_enabled; @@ -172,10 +162,7 @@ static int omap2_allow_mpu_retention(void) static void omap2_enter_mpu_retention(void) { - /* Putting MPU into the WFI state while a transfer is active - * seems to cause the I2C block to timeout. Why? Good question. */ - if (omap2_i2c_active()) - return; + const int zero = 0; /* The peripherals seem not to be able to wake up the MPU when * it is in retention mode. */ @@ -186,17 +173,17 @@ static void omap2_enter_mpu_retention(void) omap2_prm_write_mod_reg(0xffffffff, WKUP_MOD, PM_WKST); /* Try to enter MPU retention */ - omap2_prm_write_mod_reg((0x01 << OMAP_POWERSTATE_SHIFT) | - OMAP_LOGICRETSTATE_MASK, - MPU_MOD, OMAP2_PM_PWSTCTRL); + pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET); + } else { /* Block MPU retention */ - - omap2_prm_write_mod_reg(OMAP_LOGICRETSTATE_MASK, MPU_MOD, - OMAP2_PM_PWSTCTRL); + pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); } - omap2_sram_idle(); + /* WFI */ + asm("mcr p15, 0, %0, c7, c0, 4" : : "r" (zero) : "memory", "cc"); + + pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_ON); } static int omap2_can_sleep(void) @@ -251,25 +238,17 @@ static void __init prcm_setup_regs(void) for (i = 0; i < num_mem_banks; i++) pwrdm_set_mem_retst(core_pwrdm, i, PWRDM_POWER_RET); - /* Set CORE powerdomain's next power state to RETENTION */ - pwrdm_set_next_pwrst(core_pwrdm, PWRDM_POWER_RET); + pwrdm_set_logic_retst(core_pwrdm, PWRDM_POWER_RET); - /* - * Set MPU powerdomain's next power state to RETENTION; - * preserve logic state during retention - */ pwrdm_set_logic_retst(mpu_pwrdm, PWRDM_POWER_RET); - pwrdm_set_next_pwrst(mpu_pwrdm, PWRDM_POWER_RET); /* Force-power down DSP, GFX powerdomains */ pwrdm = clkdm_get_pwrdm(dsp_clkdm); pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF); - clkdm_sleep(dsp_clkdm); pwrdm = clkdm_get_pwrdm(gfx_clkdm); pwrdm_set_next_pwrst(pwrdm, PWRDM_POWER_OFF); - clkdm_sleep(gfx_clkdm); /* Enable hardware-supervised idle for all clkdms */ clkdm_for_each(omap_pm_clkdms_setup, NULL); @@ -356,11 +335,9 @@ int __init omap2_pm_init(void) /* * We copy the assembler sleep/wakeup routines to SRAM. * These routines need to be in SRAM as that's the only - * memory the MPU can see when it wakes up. + * memory the MPU can see when it wakes up after the entire + * chip enters idle. */ - omap2_sram_idle = omap_sram_push(omap24xx_idle_loop_suspend, - omap24xx_idle_loop_suspend_sz); - omap2_sram_suspend = omap_sram_push(omap24xx_cpu_suspend, omap24xx_cpu_suspend_sz); diff --git a/arch/arm/mach-omap2/pmu.c b/arch/arm/mach-omap2/pmu.c index eb78ae7a3464..0ef4d6aa758e 100644 --- a/arch/arm/mach-omap2/pmu.c +++ b/arch/arm/mach-omap2/pmu.c @@ -48,8 +48,7 @@ static int __init omap2_init_pmu(unsigned oh_num, char *oh_names[]) } } - omap_pmu_dev = omap_device_build_ss(dev_name, -1, oh, oh_num, NULL, 0, - NULL, 0, 0); + omap_pmu_dev = omap_device_build_ss(dev_name, -1, oh, oh_num, NULL, 0); WARN(IS_ERR(omap_pmu_dev), "Can't build omap_device for %s.\n", dev_name); diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index dea62a9aad07..8e61d80bf6b3 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -19,6 +19,7 @@ #include <linux/list.h> #include <linux/errno.h> #include <linux/string.h> +#include <linux/spinlock.h> #include <trace/events/power.h> #include "cm2xxx_3xxx.h" @@ -42,6 +43,16 @@ enum { PWRDM_STATE_PREV, }; +/* + * Types of sleep_switch used internally in omap_set_pwrdm_state() + * and its associated static functions + * + * XXX Better documentation is needed here + */ +#define ALREADYACTIVE_SWITCH 0 +#define FORCEWAKEUP_SWITCH 1 +#define LOWPOWERSTATE_SWITCH 2 +#define ERROR_SWITCH 3 /* pwrdm_list contains all registered struct powerdomains */ static LIST_HEAD(pwrdm_list); @@ -101,6 +112,7 @@ static int _pwrdm_register(struct powerdomain *pwrdm) pwrdm->voltdm.ptr = voltdm; INIT_LIST_HEAD(&pwrdm->voltdm_node); voltdm_add_pwrdm(voltdm, pwrdm); + spin_lock_init(&pwrdm->_lock); list_add(&pwrdm->node, &pwrdm_list); @@ -112,7 +124,7 @@ static int _pwrdm_register(struct powerdomain *pwrdm) for (i = 0; i < pwrdm->banks; i++) pwrdm->ret_mem_off_counter[i] = 0; - pwrdm_wait_transition(pwrdm); + arch_pwrdm->pwrdm_wait_transition(pwrdm); pwrdm->state = pwrdm_read_pwrst(pwrdm); pwrdm->state_counter[pwrdm->state] = 1; @@ -143,7 +155,7 @@ static void _update_logic_membank_counters(struct powerdomain *pwrdm) static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) { - int prev, state, trace_state = 0; + int prev, next, state, trace_state = 0; if (pwrdm == NULL) return -EINVAL; @@ -164,9 +176,10 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) * If the power domain did not hit the desired state, * generate a trace event with both the desired and hit states */ - if (state != prev) { + next = pwrdm_read_next_pwrst(pwrdm); + if (next != prev) { trace_state = (PWRDM_TRACE_STATES_FLAG | - ((state & OMAP_POWERSTATE_MASK) << 8) | + ((next & OMAP_POWERSTATE_MASK) << 8) | ((prev & OMAP_POWERSTATE_MASK) << 0)); trace_power_domain_target(pwrdm->name, trace_state, smp_processor_id()); @@ -199,6 +212,80 @@ static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused) return 0; } +/** + * _pwrdm_save_clkdm_state_and_activate - prepare for power state change + * @pwrdm: struct powerdomain * to operate on + * @curr_pwrst: current power state of @pwrdm + * @pwrst: power state to switch to + * @hwsup: ptr to a bool to return whether the clkdm is hardware-supervised + * + * Determine whether the powerdomain needs to be turned on before + * attempting to switch power states. Called by + * omap_set_pwrdm_state(). NOTE that if the powerdomain contains + * multiple clockdomains, this code assumes that the first clockdomain + * supports software-supervised wakeup mode - potentially a problem. + * Returns the power state switch mode currently in use (see the + * "Types of sleep_switch" comment above). + */ +static u8 _pwrdm_save_clkdm_state_and_activate(struct powerdomain *pwrdm, + u8 curr_pwrst, u8 pwrst, + bool *hwsup) +{ + u8 sleep_switch; + + if (curr_pwrst < 0) { + WARN_ON(1); + sleep_switch = ERROR_SWITCH; + } else if (curr_pwrst < PWRDM_POWER_ON) { + if (curr_pwrst > pwrst && + pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE && + arch_pwrdm->pwrdm_set_lowpwrstchange) { + sleep_switch = LOWPOWERSTATE_SWITCH; + } else { + *hwsup = clkdm_in_hwsup(pwrdm->pwrdm_clkdms[0]); + clkdm_wakeup_nolock(pwrdm->pwrdm_clkdms[0]); + sleep_switch = FORCEWAKEUP_SWITCH; + } + } else { + sleep_switch = ALREADYACTIVE_SWITCH; + } + + return sleep_switch; +} + +/** + * _pwrdm_restore_clkdm_state - restore the clkdm hwsup state after pwrst change + * @pwrdm: struct powerdomain * to operate on + * @sleep_switch: return value from _pwrdm_save_clkdm_state_and_activate() + * @hwsup: should @pwrdm's first clockdomain be set to hardware-supervised mode? + * + * Restore the clockdomain state perturbed by + * _pwrdm_save_clkdm_state_and_activate(), and call the power state + * bookkeeping code. Called by omap_set_pwrdm_state(). NOTE that if + * the powerdomain contains multiple clockdomains, this assumes that + * the first associated clockdomain supports either + * hardware-supervised idle control in the register, or + * software-supervised sleep. No return value. + */ +static void _pwrdm_restore_clkdm_state(struct powerdomain *pwrdm, + u8 sleep_switch, bool hwsup) +{ + switch (sleep_switch) { + case FORCEWAKEUP_SWITCH: + if (hwsup) + clkdm_allow_idle_nolock(pwrdm->pwrdm_clkdms[0]); + else + clkdm_sleep_nolock(pwrdm->pwrdm_clkdms[0]); + break; + case LOWPOWERSTATE_SWITCH: + if (pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE && + arch_pwrdm->pwrdm_set_lowpwrstchange) + arch_pwrdm->pwrdm_set_lowpwrstchange(pwrdm); + pwrdm_state_switch_nolock(pwrdm); + break; + } +} + /* Public functions */ /** @@ -275,6 +362,30 @@ int pwrdm_complete_init(void) } /** + * pwrdm_lock - acquire a Linux spinlock on a powerdomain + * @pwrdm: struct powerdomain * to lock + * + * Acquire the powerdomain spinlock on @pwrdm. No return value. + */ +void pwrdm_lock(struct powerdomain *pwrdm) + __acquires(&pwrdm->_lock) +{ + spin_lock_irqsave(&pwrdm->_lock, pwrdm->_lock_flags); +} + +/** + * pwrdm_unlock - release a Linux spinlock on a powerdomain + * @pwrdm: struct powerdomain * to unlock + * + * Release the powerdomain spinlock on @pwrdm. No return value. + */ +void pwrdm_unlock(struct powerdomain *pwrdm) + __releases(&pwrdm->_lock) +{ + spin_unlock_irqrestore(&pwrdm->_lock, pwrdm->_lock_flags); +} + +/** * pwrdm_lookup - look up a powerdomain by name, return a pointer * @name: name of powerdomain * @@ -920,65 +1031,27 @@ bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm) return (pwrdm && pwrdm->flags & PWRDM_HAS_HDWR_SAR) ? 1 : 0; } -/** - * pwrdm_set_lowpwrstchange - Request a low power state change - * @pwrdm: struct powerdomain * - * - * Allows a powerdomain to transtion to a lower power sleep state - * from an existing sleep state without waking up the powerdomain. - * Returns -EINVAL if the powerdomain pointer is null or if the - * powerdomain does not support LOWPOWERSTATECHANGE, or returns 0 - * upon success. - */ -int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm) -{ - int ret = -EINVAL; - - if (!pwrdm) - return -EINVAL; - - if (!(pwrdm->flags & PWRDM_HAS_LOWPOWERSTATECHANGE)) - return -EINVAL; - - pr_debug("powerdomain: %s: setting LOWPOWERSTATECHANGE bit\n", - pwrdm->name); - - if (arch_pwrdm && arch_pwrdm->pwrdm_set_lowpwrstchange) - ret = arch_pwrdm->pwrdm_set_lowpwrstchange(pwrdm); - - return ret; -} - -/** - * pwrdm_wait_transition - wait for powerdomain power transition to finish - * @pwrdm: struct powerdomain * to wait for - * - * If the powerdomain @pwrdm is in the process of a state transition, - * spin until it completes the power transition, or until an iteration - * bailout value is reached. Returns -EINVAL if the powerdomain - * pointer is null, -EAGAIN if the bailout value was reached, or - * returns 0 upon success. - */ -int pwrdm_wait_transition(struct powerdomain *pwrdm) +int pwrdm_state_switch_nolock(struct powerdomain *pwrdm) { - int ret = -EINVAL; + int ret; - if (!pwrdm) + if (!pwrdm || !arch_pwrdm) return -EINVAL; - if (arch_pwrdm && arch_pwrdm->pwrdm_wait_transition) - ret = arch_pwrdm->pwrdm_wait_transition(pwrdm); + ret = arch_pwrdm->pwrdm_wait_transition(pwrdm); + if (!ret) + ret = _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); return ret; } -int pwrdm_state_switch(struct powerdomain *pwrdm) +int __deprecated pwrdm_state_switch(struct powerdomain *pwrdm) { int ret; - ret = pwrdm_wait_transition(pwrdm); - if (!ret) - ret = _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); + pwrdm_lock(pwrdm); + ret = pwrdm_state_switch_nolock(pwrdm); + pwrdm_unlock(pwrdm); return ret; } @@ -1004,6 +1077,61 @@ int pwrdm_post_transition(struct powerdomain *pwrdm) } /** + * omap_set_pwrdm_state - change a powerdomain's current power state + * @pwrdm: struct powerdomain * to change the power state of + * @pwrst: power state to change to + * + * Change the current hardware power state of the powerdomain + * represented by @pwrdm to the power state represented by @pwrst. + * Returns -EINVAL if @pwrdm is null or invalid or if the + * powerdomain's current power state could not be read, or returns 0 + * upon success or if @pwrdm does not support @pwrst or any + * lower-power state. XXX Should not return 0 if the @pwrdm does not + * support @pwrst or any lower-power state: this should be an error. + */ +int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 pwrst) +{ + u8 curr_pwrst, next_pwrst, sleep_switch; + int ret = 0; + bool hwsup = false; + + if (!pwrdm || IS_ERR(pwrdm)) + return -EINVAL; + + while (!(pwrdm->pwrsts & (1 << pwrst))) { + if (pwrst == PWRDM_POWER_OFF) + return ret; + pwrst--; + } + + pwrdm_lock(pwrdm); + + curr_pwrst = pwrdm_read_pwrst(pwrdm); + next_pwrst = pwrdm_read_next_pwrst(pwrdm); + if (curr_pwrst == pwrst && next_pwrst == pwrst) + goto osps_out; + + sleep_switch = _pwrdm_save_clkdm_state_and_activate(pwrdm, curr_pwrst, + pwrst, &hwsup); + if (sleep_switch == ERROR_SWITCH) { + ret = -EINVAL; + goto osps_out; + } + + ret = pwrdm_set_next_pwrst(pwrdm, pwrst); + if (ret) + pr_err("%s: unable to set power state of powerdomain: %s\n", + __func__, pwrdm->name); + + _pwrdm_restore_clkdm_state(pwrdm, sleep_switch, hwsup); + +osps_out: + pwrdm_unlock(pwrdm); + + return ret; +} + +/** * pwrdm_get_context_loss_count - get powerdomain's context loss count * @pwrdm: struct powerdomain * to wait for * diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h index 5277d56eb37f..140c36074fed 100644 --- a/arch/arm/mach-omap2/powerdomain.h +++ b/arch/arm/mach-omap2/powerdomain.h @@ -19,8 +19,7 @@ #include <linux/types.h> #include <linux/list.h> - -#include <linux/atomic.h> +#include <linux/spinlock.h> #include "voltage.h" @@ -44,18 +43,20 @@ #define PWRSTS_OFF_RET_ON (PWRSTS_OFF_RET | PWRSTS_ON) -/* Powerdomain flags */ -#define PWRDM_HAS_HDWR_SAR (1 << 0) /* hardware save-and-restore support */ -#define PWRDM_HAS_MPU_QUIRK (1 << 1) /* MPU pwr domain has MEM bank 0 bits - * in MEM bank 1 position. This is - * true for OMAP3430 - */ -#define PWRDM_HAS_LOWPOWERSTATECHANGE (1 << 2) /* - * support to transition from a - * sleep state to a lower sleep - * state without waking up the - * powerdomain - */ +/* + * Powerdomain flags (struct powerdomain.flags) + * + * PWRDM_HAS_HDWR_SAR - powerdomain has hardware save-and-restore support + * + * PWRDM_HAS_MPU_QUIRK - MPU pwr domain has MEM bank 0 bits in MEM + * bank 1 position. This is true for OMAP3430 + * + * PWRDM_HAS_LOWPOWERSTATECHANGE - can transition from a sleep state + * to a lower sleep state without waking up the powerdomain + */ +#define PWRDM_HAS_HDWR_SAR BIT(0) +#define PWRDM_HAS_MPU_QUIRK BIT(1) +#define PWRDM_HAS_LOWPOWERSTATECHANGE BIT(2) /* * Number of memory banks that are power-controllable. On OMAP4430, the @@ -103,6 +104,8 @@ struct powerdomain; * @state_counter: * @timer: * @state_timer: + * @_lock: spinlock used to serialize powerdomain and some clockdomain ops + * @_lock_flags: stored flags when @_lock is taken * * @prcm_partition possible values are defined in mach-omap2/prcm44xx.h. */ @@ -127,7 +130,8 @@ struct powerdomain { unsigned state_counter[PWRDM_MAX_PWRSTS]; unsigned ret_logic_off_counter; unsigned ret_mem_off_counter[PWRDM_MAX_MEM_BANKS]; - + spinlock_t _lock; + unsigned long _lock_flags; const u8 pwrstctrl_offs; const u8 pwrstst_offs; const u32 logicretstate_mask; @@ -162,6 +166,16 @@ struct powerdomain { * @pwrdm_disable_hdwr_sar: Disable Hardware Save-Restore feature for a pd * @pwrdm_set_lowpwrstchange: Enable pd transitions from a shallow to deep sleep * @pwrdm_wait_transition: Wait for a pd state transition to complete + * + * Regarding @pwrdm_set_lowpwrstchange: On the OMAP2 and 3-family + * chips, a powerdomain's power state is not allowed to directly + * transition from one low-power state (e.g., CSWR) to another + * low-power state (e.g., OFF) without first waking up the + * powerdomain. This wastes energy. So OMAP4 chips support the + * ability to transition a powerdomain power state directly from one + * low-power state to another. The function pointed to by + * @pwrdm_set_lowpwrstchange is intended to configure the OMAP4 + * hardware powerdomain state machine to enable this feature. */ struct pwrdm_ops { int (*pwrdm_set_next_pwrst)(struct powerdomain *pwrdm, u8 pwrst); @@ -225,15 +239,15 @@ int pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm); int pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm); bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm); -int pwrdm_wait_transition(struct powerdomain *pwrdm); - +int pwrdm_state_switch_nolock(struct powerdomain *pwrdm); int pwrdm_state_switch(struct powerdomain *pwrdm); int pwrdm_pre_transition(struct powerdomain *pwrdm); int pwrdm_post_transition(struct powerdomain *pwrdm); -int pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm); int pwrdm_get_context_loss_count(struct powerdomain *pwrdm); bool pwrdm_can_ever_lose_context(struct powerdomain *pwrdm); +extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 state); + extern void omap242x_powerdomains_init(void); extern void omap243x_powerdomains_init(void); extern void omap3xxx_powerdomains_init(void); @@ -253,5 +267,7 @@ extern u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank); extern struct powerdomain wkup_omap2_pwrdm; extern struct powerdomain gfx_omap2_pwrdm; +extern void pwrdm_lock(struct powerdomain *pwrdm); +extern void pwrdm_unlock(struct powerdomain *pwrdm); #endif diff --git a/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c index d3a5399091ad..7b946f1005b1 100644 --- a/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c @@ -54,12 +54,12 @@ struct powerdomain gfx_omap2_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; struct powerdomain wkup_omap2_pwrdm = { .name = "wkup_pwrdm", .prcm_offs = WKUP_MOD, .pwrsts = PWRSTS_ON, - .voltdm = { .name = "wakeup" }, + .voltdm = { .name = "wakeup" }, }; diff --git a/arch/arm/mach-omap2/powerdomains2xxx_data.c b/arch/arm/mach-omap2/powerdomains2xxx_data.c index ba520d4f7c7b..578eef86fcf2 100644 --- a/arch/arm/mach-omap2/powerdomains2xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains2xxx_data.c @@ -38,7 +38,7 @@ static struct powerdomain dsp_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain mpu_24xx_pwrdm = { @@ -53,13 +53,14 @@ static struct powerdomain mpu_24xx_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain core_24xx_pwrdm = { .name = "core_pwrdm", .prcm_offs = CORE_MOD, .pwrsts = PWRSTS_OFF_RET_ON, + .pwrsts_logic_ret = PWRSTS_RET, .banks = 3, .pwrsts_mem_ret = { [0] = PWRSTS_OFF_RET, /* MEM1RETSTATE */ @@ -71,7 +72,7 @@ static struct powerdomain core_24xx_pwrdm = { [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ [2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; @@ -93,7 +94,7 @@ static struct powerdomain mdm_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; /* diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c index 8b23d234fb55..f0e14e9efe5a 100644 --- a/arch/arm/mach-omap2/powerdomains3xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c @@ -50,7 +50,7 @@ static struct powerdomain iva2_pwrdm = { [2] = PWRSTS_OFF_ON, [3] = PWRSTS_ON, }, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain mpu_3xxx_pwrdm = { @@ -66,7 +66,7 @@ static struct powerdomain mpu_3xxx_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_OFF_ON, }, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain mpu_am35x_pwrdm = { @@ -82,7 +82,7 @@ static struct powerdomain mpu_am35x_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, }, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; /* @@ -109,7 +109,7 @@ static struct powerdomain core_3xxx_pre_es3_1_pwrdm = { [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain core_3xxx_es3_1_pwrdm = { @@ -131,7 +131,7 @@ static struct powerdomain core_3xxx_es3_1_pwrdm = { [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain core_am35x_pwrdm = { @@ -148,7 +148,7 @@ static struct powerdomain core_am35x_pwrdm = { [0] = PWRSTS_ON, /* MEM1ONSTATE */ [1] = PWRSTS_ON, /* MEM2ONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain dss_pwrdm = { @@ -163,7 +163,7 @@ static struct powerdomain dss_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain dss_am35x_pwrdm = { @@ -178,7 +178,7 @@ static struct powerdomain dss_am35x_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; /* @@ -199,7 +199,7 @@ static struct powerdomain sgx_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain sgx_am35x_pwrdm = { @@ -214,7 +214,7 @@ static struct powerdomain sgx_am35x_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain cam_pwrdm = { @@ -229,7 +229,7 @@ static struct powerdomain cam_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain per_pwrdm = { @@ -244,7 +244,7 @@ static struct powerdomain per_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain per_am35x_pwrdm = { @@ -259,13 +259,13 @@ static struct powerdomain per_am35x_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain emu_pwrdm = { .name = "emu_pwrdm", .prcm_offs = OMAP3430_EMU_MOD, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain neon_pwrdm = { @@ -273,7 +273,7 @@ static struct powerdomain neon_pwrdm = { .prcm_offs = OMAP3430_NEON_MOD, .pwrsts = PWRSTS_OFF_RET_ON, .pwrsts_logic_ret = PWRSTS_RET, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain neon_am35x_pwrdm = { @@ -281,7 +281,7 @@ static struct powerdomain neon_am35x_pwrdm = { .prcm_offs = OMAP3430_NEON_MOD, .pwrsts = PWRSTS_ON, .pwrsts_logic_ret = PWRSTS_ON, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain usbhost_pwrdm = { @@ -303,37 +303,37 @@ static struct powerdomain usbhost_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain dpll1_pwrdm = { .name = "dpll1_pwrdm", .prcm_offs = MPU_MOD, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain dpll2_pwrdm = { .name = "dpll2_pwrdm", .prcm_offs = OMAP3430_IVA2_MOD, - .voltdm = { .name = "mpu_iva" }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain dpll3_pwrdm = { .name = "dpll3_pwrdm", .prcm_offs = PLL_MOD, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain dpll4_pwrdm = { .name = "dpll4_pwrdm", .prcm_offs = PLL_MOD, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; static struct powerdomain dpll5_pwrdm = { .name = "dpll5_pwrdm", .prcm_offs = PLL_MOD, - .voltdm = { .name = "core" }, + .voltdm = { .name = "core" }, }; /* As powerdomains are added or removed above, this list must also be changed */ diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c index a3e121f94a86..947f6adfed0c 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -210,6 +210,7 @@ int omap2_clkdm_read_wkdep(struct clockdomain *clkdm1, PM_WKDEP, (1 << clkdm2->dep_bit)); } +/* XXX Caller must hold the clkdm's powerdomain lock */ int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm) { struct clkdm_dep *cd; @@ -221,7 +222,7 @@ int omap2_clkdm_clear_all_wkdeps(struct clockdomain *clkdm) /* PRM accesses are slow, so minimize them */ mask |= 1 << cd->clkdm->dep_bit; - atomic_set(&cd->wkdep_usecount, 0); + cd->wkdep_usecount = 0; } omap2_prm_clear_mod_reg_bits(mask, clkdm->pwrdm.ptr->prcm_offs, diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c index 1ac73883f891..44c0d7216aa7 100644 --- a/arch/arm/mach-omap2/prm33xx.c +++ b/arch/arm/mach-omap2/prm33xx.c @@ -110,11 +110,11 @@ int am33xx_prm_assert_hardreset(u8 shift, s16 inst, u16 rstctrl_offs) * -EINVAL upon an argument error, -EEXIST if the submodule was already out * of reset, or -EBUSY if the submodule did not exit reset promptly. */ -int am33xx_prm_deassert_hardreset(u8 shift, s16 inst, +int am33xx_prm_deassert_hardreset(u8 shift, u8 st_shift, s16 inst, u16 rstctrl_offs, u16 rstst_offs) { int c; - u32 mask = 1 << shift; + u32 mask = 1 << st_shift; /* Check the current status to avoid de-asserting the line twice */ if (am33xx_prm_is_hardreset_asserted(shift, inst, rstctrl_offs) == 0) @@ -122,11 +122,14 @@ int am33xx_prm_deassert_hardreset(u8 shift, s16 inst, /* Clear the reset status by writing 1 to the status bit */ am33xx_prm_rmw_reg_bits(0xffffffff, mask, inst, rstst_offs); + /* de-assert the reset control line */ + mask = 1 << shift; + am33xx_prm_rmw_reg_bits(mask, 0, inst, rstctrl_offs); - /* wait the status to be set */ - omap_test_timeout(am33xx_prm_is_hardreset_asserted(shift, inst, + /* wait the status to be set */ + omap_test_timeout(am33xx_prm_is_hardreset_asserted(st_shift, inst, rstst_offs), MAX_MODULE_HARDRESET_WAIT, c); diff --git a/arch/arm/mach-omap2/prm33xx.h b/arch/arm/mach-omap2/prm33xx.h index 3f25c563a821..9b9918dfb119 100644 --- a/arch/arm/mach-omap2/prm33xx.h +++ b/arch/arm/mach-omap2/prm33xx.h @@ -117,6 +117,7 @@ #define AM33XX_PM_CEFUSE_PWRSTST_OFFSET 0x0004 #define AM33XX_PM_CEFUSE_PWRSTST AM33XX_PRM_REGADDR(AM33XX_PRM_CEFUSE_MOD, 0x0004) +#ifndef __ASSEMBLER__ extern u32 am33xx_prm_read_reg(s16 inst, u16 idx); extern void am33xx_prm_write_reg(u32 val, s16 inst, u16 idx); extern u32 am33xx_prm_rmw_reg_bits(u32 mask, u32 bits, s16 inst, s16 idx); @@ -124,6 +125,7 @@ extern void am33xx_prm_global_warm_sw_reset(void); extern int am33xx_prm_is_hardreset_asserted(u8 shift, s16 inst, u16 rstctrl_offs); extern int am33xx_prm_assert_hardreset(u8 shift, s16 inst, u16 rstctrl_offs); -extern int am33xx_prm_deassert_hardreset(u8 shift, s16 inst, +extern int am33xx_prm_deassert_hardreset(u8 shift, u8 st_shift, s16 inst, u16 rstctrl_offs, u16 rstst_offs); +#endif /* ASSEMBLER */ #endif diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 04fdbc4c499b..d01c373cbbef 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -316,8 +316,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata, if (WARN_ON(!oh)) return; - pdev = omap_device_build(name, uart->num, oh, pdata, pdata_size, - NULL, 0, false); + pdev = omap_device_build(name, uart->num, oh, pdata, pdata_size); if (IS_ERR(pdev)) { WARN(1, "Could not build omap_device for %s: %s.\n", name, oh->name); diff --git a/arch/arm/mach-omap2/sleep24xx.S b/arch/arm/mach-omap2/sleep24xx.S index ce0ccd26efbd..1d3cb25c9629 100644 --- a/arch/arm/mach-omap2/sleep24xx.S +++ b/arch/arm/mach-omap2/sleep24xx.S @@ -37,25 +37,6 @@ .text /* - * Forces OMAP into idle state - * - * omap24xx_idle_loop_suspend() - This bit of code just executes the WFI - * for normal idles. - * - * Note: This code get's copied to internal SRAM at boot. When the OMAP - * wakes up it continues execution at the point it went to sleep. - */ - .align 3 -ENTRY(omap24xx_idle_loop_suspend) - stmfd sp!, {r0, lr} @ save registers on stack - mov r0, #0 @ clear for mcr setup - mcr p15, 0, r0, c7, c0, 4 @ wait for interrupt - ldmfd sp!, {r0, pc} @ restore regs and return - -ENTRY(omap24xx_idle_loop_suspend_sz) - .word . - omap24xx_idle_loop_suspend - -/* * omap24xx_cpu_suspend() - Forces OMAP into deep sleep state by completing * SDRC shutdown then ARM shutdown. Upon wake MPU is back on so just restore * SDRC. diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h index f31d90774de0..15e959111e23 100644 --- a/arch/arm/mach-omap2/soc.h +++ b/arch/arm/mach-omap2/soc.h @@ -387,6 +387,7 @@ IS_OMAP_TYPE(3430, 0x3430) #define AM335X_CLASS 0x33500033 #define AM335X_REV_ES1_0 AM335X_CLASS +#define AM335X_REV_ES2_0 (AM335X_CLASS | (0x1 << 8)) #define OMAP443X_CLASS 0x44300044 #define OMAP4430_REV_ES1_0 (OMAP443X_CLASS | (0x10 << 8)) diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c index b9753fe27232..d7bc33f15344 100644 --- a/arch/arm/mach-omap2/sr_device.c +++ b/arch/arm/mach-omap2/sr_device.c @@ -152,8 +152,7 @@ static int __init sr_dev_init(struct omap_hwmod *oh, void *user) sr_data->enable_on_init = sr_enable_on_init; - pdev = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data), - NULL, 0, 0); + pdev = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data)); if (IS_ERR(pdev)) pr_warning("%s: Could not build omap_device for %s: %s.\n\n", __func__, name, oh->name); diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index b8ad6e632bb8..63e5fb017fd8 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -702,8 +702,7 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) pdata->timer_errata = omap_dm_timer_get_errata(); pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; - pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata), - NULL, 0, 0); + pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata)); if (IS_ERR(pdev)) { pr_err("%s: Can't build omap_device for %s: %s.\n", diff --git a/arch/arm/mach-omap2/usb-host.c b/arch/arm/mach-omap2/usb-host.c index 2e44e8a22884..99f04deb4c7f 100644 --- a/arch/arm/mach-omap2/usb-host.c +++ b/arch/arm/mach-omap2/usb-host.c @@ -42,14 +42,6 @@ static struct usbtll_omap_platform_data usbtll_data; static struct ehci_hcd_omap_platform_data ehci_data; static struct ohci_hcd_omap_platform_data ohci_data; -static struct omap_device_pm_latency omap_uhhtll_latency[] = { - { - .deactivate_func = omap_device_idle_hwmods, - .activate_func = omap_device_enable_hwmods, - .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, - }, -}; - /* MUX settings for EHCI pins */ /* * setup_ehci_io_mux - initialize IO pad mux for USBHOST @@ -530,9 +522,7 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata) } pdev = omap_device_build(OMAP_USBTLL_DEVICE, bus_id, tll_hwm, - &usbtll_data, sizeof(usbtll_data), - omap_uhhtll_latency, - ARRAY_SIZE(omap_uhhtll_latency), false); + &usbtll_data, sizeof(usbtll_data)); if (IS_ERR(pdev)) { pr_err("Could not build hwmod device %s\n", USBHS_TLL_HWMODNAME); @@ -540,9 +530,7 @@ void __init usbhs_init(const struct usbhs_omap_board_data *pdata) } pdev = omap_device_build(OMAP_USBHS_DEVICE, bus_id, uhh_hwm, - &usbhs_data, sizeof(usbhs_data), - omap_uhhtll_latency, - ARRAY_SIZE(omap_uhhtll_latency), false); + &usbhs_data, sizeof(usbhs_data)); if (IS_ERR(pdev)) { pr_err("Could not build hwmod devices %s\n", USBHS_UHH_HWMODNAME); diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 7b33b375fe77..8c4de2708cf2 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -102,7 +102,7 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data) return; pdev = omap_device_build(name, bus_id, oh, &musb_plat, - sizeof(musb_plat), NULL, 0, false); + sizeof(musb_plat)); if (IS_ERR(pdev)) { pr_err("Could not build omap_device for %s %s\n", name, oh_name); diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c index 7c2b4ed38f02..910243f54a05 100644 --- a/arch/arm/mach-omap2/wd_timer.c +++ b/arch/arm/mach-omap2/wd_timer.c @@ -124,8 +124,7 @@ static int __init omap_init_wdt(void) pdata.read_reset_sources = prm_read_reset_sources; pdev = omap_device_build(dev_name, id, oh, &pdata, - sizeof(struct omap_wd_timer_platform_data), - NULL, 0, 0); + sizeof(struct omap_wd_timer_platform_data)); WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", dev_name, oh->name); return 0; diff --git a/arch/arm/mach-realview/include/mach/irqs-eb.h b/arch/arm/mach-realview/include/mach/irqs-eb.h index d6b5073692d2..44754230fdcc 100644 --- a/arch/arm/mach-realview/include/mach/irqs-eb.h +++ b/arch/arm/mach-realview/include/mach/irqs-eb.h @@ -115,7 +115,7 @@ /* * Only define NR_IRQS if less than NR_IRQS_EB */ -#define NR_IRQS_EB (IRQ_EB_GIC_START + 96) +#define NR_IRQS_EB (IRQ_EB_GIC_START + 128) #if defined(CONFIG_MACH_REALVIEW_EB) \ && (!defined(NR_IRQS) || (NR_IRQS < NR_IRQS_EB)) diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 076c26d43864..dda3904dc64c 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -640,7 +640,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, if (is_coherent || nommu()) addr = __alloc_simple_buffer(dev, size, gfp, &page); - else if (gfp & GFP_ATOMIC) + else if (!(gfp & __GFP_WAIT)) addr = __alloc_from_pool(size, &page); else if (!IS_ENABLED(CONFIG_CMA)) addr = __alloc_remap_buffer(dev, size, gfp, prot, &page, caller); diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 665870dce3c8..1fbac364bd4c 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -177,15 +177,6 @@ config OMAP3_L2_AUX_SECURE_SERVICE_SET_ID help PPA routine service ID for setting L2 auxiliary control register. -config OMAP_32K_TIMER_HZ - int "Kernel internal timer frequency for 32KHz timer" - range 32 1024 - depends on OMAP_32K_TIMER - default "128" - help - Kernel internal timer frequency should be a divisor of 32768, - such as 64 or 128. - config OMAP_DM_TIMER bool "Use dual-mode timer" depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS diff --git a/arch/arm/plat-omap/include/plat/timex.h b/arch/arm/plat-omap/include/plat/timex.h index 6d35767bc48f..e27d2daa7790 100644 --- a/arch/arm/plat-omap/include/plat/timex.h +++ b/arch/arm/plat-omap/include/plat/timex.h @@ -28,14 +28,6 @@ #if !defined(__ASM_ARCH_OMAP_TIMEX_H) #define __ASM_ARCH_OMAP_TIMEX_H -/* - * OMAP 32KHz timer updates time one jiffie at a time from a secondary timer, - * and that's why the CLOCK_TICK_RATE is not 32768. - */ -#ifdef CONFIG_OMAP_32K_TIMER -#define CLOCK_TICK_RATE (CONFIG_OMAP_32K_TIMER_HZ) -#else #define CLOCK_TICK_RATE (HZ * 100000UL) -#endif #endif /* __ASM_ARCH_OMAP_TIMEX_H */ diff --git a/arch/avr32/include/asm/dma-mapping.h b/arch/avr32/include/asm/dma-mapping.h index aaf5199d8fcb..b3d18f9f3e8d 100644 --- a/arch/avr32/include/asm/dma-mapping.h +++ b/arch/avr32/include/asm/dma-mapping.h @@ -336,4 +336,14 @@ dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif /* __ASM_AVR32_DMA_MAPPING_H */ diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h index bbf461076a0a..054d9ec57d9d 100644 --- a/arch/blackfin/include/asm/dma-mapping.h +++ b/arch/blackfin/include/asm/dma-mapping.h @@ -154,4 +154,14 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, _dma_sync((dma_addr_t)vaddr, size, dir); } +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif /* _BLACKFIN_DMA_MAPPING_H */ diff --git a/arch/c6x/include/asm/dma-mapping.h b/arch/c6x/include/asm/dma-mapping.h index 3c694065030f..88bd0d899bdb 100644 --- a/arch/c6x/include/asm/dma-mapping.h +++ b/arch/c6x/include/asm/dma-mapping.h @@ -89,4 +89,19 @@ extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f)) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent((d), (s), (v), (h)) +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif /* _ASM_C6X_DMA_MAPPING_H */ diff --git a/arch/cris/include/asm/dma-mapping.h b/arch/cris/include/asm/dma-mapping.h index 8588b2ccf854..2f0f654f1b44 100644 --- a/arch/cris/include/asm/dma-mapping.h +++ b/arch/cris/include/asm/dma-mapping.h @@ -158,5 +158,15 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, { } +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h index dfb811002c64..1746a2b8e6e7 100644 --- a/arch/frv/include/asm/dma-mapping.h +++ b/arch/frv/include/asm/dma-mapping.h @@ -132,4 +132,19 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size, flush_write_buffers(); } +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif /* _ASM_DMA_MAPPING_H */ diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h index 3e6b8445af6a..292805f0762e 100644 --- a/arch/m68k/include/asm/dma-mapping.h +++ b/arch/m68k/include/asm/dma-mapping.h @@ -115,4 +115,14 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t handle) #include <asm-generic/dma-mapping-broken.h> #endif +/* drivers/base/dma-mapping.c */ +extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size); +extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size); + +#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) +#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) + #endif /* _M68K_DMA_MAPPING_H */ diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h index c1be4397b1ed..a18abfc558eb 100644 --- a/arch/mn10300/include/asm/dma-mapping.h +++ b/arch/mn10300/include/asm/dma-mapping.h @@ -168,4 +168,19 @@ void dma_cache_sync(void *vaddr, size_t size, mn10300_dcache_flush_inv(); } +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h index 467bbd510eac..106b395688e1 100644 --- a/arch/parisc/include/asm/dma-mapping.h +++ b/arch/parisc/include/asm/dma-mapping.h @@ -238,4 +238,19 @@ void * sba_get_iommu(struct parisc_device *dev); /* At the moment, we panic on error for IOMMU resource exaustion */ #define dma_mapping_error(dev, x) 0 +/* This API cannot be supported on PA-RISC */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif diff --git a/arch/powerpc/mm/hash_low_64.S b/arch/powerpc/mm/hash_low_64.S index 56585086413a..7443481a315c 100644 --- a/arch/powerpc/mm/hash_low_64.S +++ b/arch/powerpc/mm/hash_low_64.S @@ -115,11 +115,13 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT) sldi r29,r5,SID_SHIFT - VPN_SHIFT rldicl r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT) or r29,r28,r29 - - /* Calculate hash value for primary slot and store it in r28 */ - rldicl r5,r5,0,25 /* vsid & 0x0000007fffffffff */ - rldicl r0,r3,64-12,48 /* (ea >> 12) & 0xffff */ - xor r28,r5,r0 + /* + * Calculate hash value for primary slot and store it in r28 + * r3 = va, r5 = vsid + * r0 = (va >> 12) & ((1ul << (28 - 12)) -1) + */ + rldicl r0,r3,64-12,48 + xor r28,r5,r0 /* hash */ b 4f 3: /* Calc vpn and put it in r29 */ @@ -130,11 +132,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT) /* * calculate hash value for primary slot and * store it in r28 for 1T segment + * r3 = va, r5 = vsid */ - rldic r28,r5,25,25 /* (vsid << 25) & 0x7fffffffff */ - clrldi r5,r5,40 /* vsid & 0xffffff */ - rldicl r0,r3,64-12,36 /* (ea >> 12) & 0xfffffff */ - xor r28,r28,r5 + sldi r28,r5,25 /* vsid << 25 */ + /* r0 = (va >> 12) & ((1ul << (40 - 12)) -1) */ + rldicl r0,r3,64-12,36 + xor r28,r28,r5 /* vsid ^ ( vsid << 25) */ xor r28,r28,r0 /* hash */ /* Convert linux PTE bits into HW equivalents */ @@ -407,11 +410,13 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT) */ rldicl r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT) or r29,r28,r29 - - /* Calculate hash value for primary slot and store it in r28 */ - rldicl r5,r5,0,25 /* vsid & 0x0000007fffffffff */ - rldicl r0,r3,64-12,48 /* (ea >> 12) & 0xffff */ - xor r28,r5,r0 + /* + * Calculate hash value for primary slot and store it in r28 + * r3 = va, r5 = vsid + * r0 = (va >> 12) & ((1ul << (28 - 12)) -1) + */ + rldicl r0,r3,64-12,48 + xor r28,r5,r0 /* hash */ b 4f 3: /* Calc vpn and put it in r29 */ @@ -426,11 +431,12 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT) /* * Calculate hash value for primary slot and * store it in r28 for 1T segment + * r3 = va, r5 = vsid */ - rldic r28,r5,25,25 /* (vsid << 25) & 0x7fffffffff */ - clrldi r5,r5,40 /* vsid & 0xffffff */ - rldicl r0,r3,64-12,36 /* (ea >> 12) & 0xfffffff */ - xor r28,r28,r5 + sldi r28,r5,25 /* vsid << 25 */ + /* r0 = (va >> 12) & ((1ul << (40 - 12)) -1) */ + rldicl r0,r3,64-12,36 + xor r28,r28,r5 /* vsid ^ ( vsid << 25) */ xor r28,r28,r0 /* hash */ /* Convert linux PTE bits into HW equivalents */ @@ -752,25 +758,27 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_1T_SEGMENT) rldicl r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT - VPN_SHIFT) or r29,r28,r29 - /* Calculate hash value for primary slot and store it in r28 */ - rldicl r5,r5,0,25 /* vsid & 0x0000007fffffffff */ - rldicl r0,r3,64-16,52 /* (ea >> 16) & 0xfff */ - xor r28,r5,r0 + /* Calculate hash value for primary slot and store it in r28 + * r3 = va, r5 = vsid + * r0 = (va >> 16) & ((1ul << (28 - 16)) -1) + */ + rldicl r0,r3,64-16,52 + xor r28,r5,r0 /* hash */ b 4f 3: /* Calc vpn and put it in r29 */ sldi r29,r5,SID_SHIFT_1T - VPN_SHIFT rldicl r28,r3,64 - VPN_SHIFT,64 - (SID_SHIFT_1T - VPN_SHIFT) or r29,r28,r29 - /* * calculate hash value for primary slot and * store it in r28 for 1T segment + * r3 = va, r5 = vsid */ - rldic r28,r5,25,25 /* (vsid << 25) & 0x7fffffffff */ - clrldi r5,r5,40 /* vsid & 0xffffff */ - rldicl r0,r3,64-16,40 /* (ea >> 16) & 0xffffff */ - xor r28,r28,r5 + sldi r28,r5,25 /* vsid << 25 */ + /* r0 = (va >> 16) & ((1ul << (40 - 16)) -1) */ + rldicl r0,r3,64-16,40 + xor r28,r28,r5 /* vsid ^ ( vsid << 25) */ xor r28,r28,r0 /* hash */ /* Convert linux PTE bits into HW equivalents */ diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S index 102ff7cb3e41..142c4ceff112 100644 --- a/arch/x86/ia32/ia32entry.S +++ b/arch/x86/ia32/ia32entry.S @@ -207,7 +207,7 @@ sysexit_from_sys_call: testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) jnz ia32_ret_from_sys_call TRACE_IRQS_ON - sti + ENABLE_INTERRUPTS(CLBR_NONE) movl %eax,%esi /* second arg, syscall return value */ cmpl $-MAX_ERRNO,%eax /* is it an error ? */ jbe 1f @@ -217,7 +217,7 @@ sysexit_from_sys_call: call __audit_syscall_exit movq RAX-ARGOFFSET(%rsp),%rax /* reload syscall return value */ movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi - cli + DISABLE_INTERRUPTS(CLBR_NONE) TRACE_IRQS_OFF testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) jz \exit diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index fe9edec6698a..84c1309c4c0c 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -298,8 +298,7 @@ struct _cache_attr { unsigned int); }; -#ifdef CONFIG_AMD_NB - +#if defined(CONFIG_AMD_NB) && defined(CONFIG_SYSFS) /* * L3 cache descriptors */ @@ -524,9 +523,9 @@ store_subcaches(struct _cpuid4_info *this_leaf, const char *buf, size_t count, static struct _cache_attr subcaches = __ATTR(subcaches, 0644, show_subcaches, store_subcaches); -#else /* CONFIG_AMD_NB */ +#else #define amd_init_l3_cache(x, y) -#endif /* CONFIG_AMD_NB */ +#endif /* CONFIG_AMD_NB && CONFIG_SYSFS */ static int __cpuinit cpuid4_cache_lookup_regs(int index, diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c index 93b9e1181f83..4914e94ad6e8 100644 --- a/arch/x86/kernel/cpu/perf_event_intel.c +++ b/arch/x86/kernel/cpu/perf_event_intel.c @@ -2019,7 +2019,10 @@ __init int intel_pmu_init(void) break; case 28: /* Atom */ - case 54: /* Cedariew */ + case 38: /* Lincroft */ + case 39: /* Penwell */ + case 53: /* Cloverview */ + case 54: /* Cedarview */ memcpy(hw_cache_event_ids, atom_hw_cache_event_ids, sizeof(hw_cache_event_ids)); @@ -2084,6 +2087,7 @@ __init int intel_pmu_init(void) pr_cont("SandyBridge events, "); break; case 58: /* IvyBridge */ + case 62: /* IvyBridge EP */ memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids)); memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, diff --git a/arch/x86/kernel/cpu/perf_event_p6.c b/arch/x86/kernel/cpu/perf_event_p6.c index f2af39f5dc3d..4820c232a0b9 100644 --- a/arch/x86/kernel/cpu/perf_event_p6.c +++ b/arch/x86/kernel/cpu/perf_event_p6.c @@ -19,7 +19,7 @@ static const u64 p6_perfmon_event_map[] = }; -static __initconst u64 p6_hw_cache_event_ids +static u64 p6_hw_cache_event_ids [PERF_COUNT_HW_CACHE_MAX] [PERF_COUNT_HW_CACHE_OP_MAX] [PERF_COUNT_HW_CACHE_RESULT_MAX] = diff --git a/arch/x86/tools/insn_sanity.c b/arch/x86/tools/insn_sanity.c index cc2f8c131286..872eb60e7806 100644 --- a/arch/x86/tools/insn_sanity.c +++ b/arch/x86/tools/insn_sanity.c @@ -55,7 +55,7 @@ static FILE *input_file; /* Input file name */ static void usage(const char *err) { if (err) - fprintf(stderr, "Error: %s\n\n", err); + fprintf(stderr, "%s: Error: %s\n\n", prog, err); fprintf(stderr, "Usage: %s [-y|-n|-v] [-s seed[,no]] [-m max] [-i input]\n", prog); fprintf(stderr, "\t-y 64bit mode\n"); fprintf(stderr, "\t-n 32bit mode\n"); @@ -269,7 +269,13 @@ int main(int argc, char **argv) insns++; } - fprintf(stdout, "%s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n", (errors) ? "Failure" : "Success", insns, (input_file) ? "given" : "random", errors, seed); + fprintf(stdout, "%s: %s: decoded and checked %d %s instructions with %d errors (seed:0x%x)\n", + prog, + (errors) ? "Failure" : "Success", + insns, + (input_file) ? "given" : "random", + errors, + seed); return errors ? 1 : 0; } diff --git a/arch/xtensa/include/asm/dma-mapping.h b/arch/xtensa/include/asm/dma-mapping.h index 4acb5feba1fb..172a02a6ad14 100644 --- a/arch/xtensa/include/asm/dma-mapping.h +++ b/arch/xtensa/include/asm/dma-mapping.h @@ -170,4 +170,19 @@ dma_cache_sync(struct device *dev, void *vaddr, size_t size, consistent_sync(vaddr, size, direction); } +/* Not supported for now */ +static inline int dma_mmap_coherent(struct device *dev, + struct vm_area_struct *vma, void *cpu_addr, + dma_addr_t dma_addr, size_t size) +{ + return -EINVAL; +} + +static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt, + void *cpu_addr, dma_addr_t dma_addr, + size_t size) +{ + return -EINVAL; +} + #endif /* _XTENSA_DMA_MAPPING_H */ diff --git a/block/genhd.c b/block/genhd.c index 9a289d7c84bb..3993ebf4135f 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -35,6 +35,8 @@ static DEFINE_IDR(ext_devt_idr); static struct device_type disk_type; +static void disk_check_events(struct disk_events *ev, + unsigned int *clearing_ptr); static void disk_alloc_events(struct gendisk *disk); static void disk_add_events(struct gendisk *disk); static void disk_del_events(struct gendisk *disk); @@ -1549,6 +1551,7 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask) const struct block_device_operations *bdops = disk->fops; struct disk_events *ev = disk->ev; unsigned int pending; + unsigned int clearing = mask; if (!ev) { /* for drivers still using the old ->media_changed method */ @@ -1558,34 +1561,53 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask) return 0; } - /* tell the workfn about the events being cleared */ + disk_block_events(disk); + + /* + * store the union of mask and ev->clearing on the stack so that the + * race with disk_flush_events does not cause ambiguity (ev->clearing + * can still be modified even if events are blocked). + */ spin_lock_irq(&ev->lock); - ev->clearing |= mask; + clearing |= ev->clearing; + ev->clearing = 0; spin_unlock_irq(&ev->lock); - /* uncondtionally schedule event check and wait for it to finish */ - disk_block_events(disk); - queue_delayed_work(system_freezable_wq, &ev->dwork, 0); - flush_delayed_work(&ev->dwork); - __disk_unblock_events(disk, false); + disk_check_events(ev, &clearing); + /* + * if ev->clearing is not 0, the disk_flush_events got called in the + * middle of this function, so we want to run the workfn without delay. + */ + __disk_unblock_events(disk, ev->clearing ? true : false); /* then, fetch and clear pending events */ spin_lock_irq(&ev->lock); - WARN_ON_ONCE(ev->clearing & mask); /* cleared by workfn */ pending = ev->pending & mask; ev->pending &= ~mask; spin_unlock_irq(&ev->lock); + WARN_ON_ONCE(clearing & mask); return pending; } +/* + * Separate this part out so that a different pointer for clearing_ptr can be + * passed in for disk_clear_events. + */ static void disk_events_workfn(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); struct disk_events *ev = container_of(dwork, struct disk_events, dwork); + + disk_check_events(ev, &ev->clearing); +} + +static void disk_check_events(struct disk_events *ev, + unsigned int *clearing_ptr) +{ struct gendisk *disk = ev->disk; char *envp[ARRAY_SIZE(disk_uevents) + 1] = { }; - unsigned int clearing = ev->clearing; + unsigned int clearing = *clearing_ptr; unsigned int events; unsigned long intv; int nr_events = 0, i; @@ -1598,7 +1620,7 @@ static void disk_events_workfn(struct work_struct *work) events &= ~ev->pending; ev->pending |= events; - ev->clearing &= ~clearing; + *clearing_ptr &= ~clearing; intv = disk_events_poll_jiffies(disk); if (!ev->block && intv) diff --git a/drivers/atm/iphase.h b/drivers/atm/iphase.h index 6a0955e6d4fc..53ecac5a2161 100644 --- a/drivers/atm/iphase.h +++ b/drivers/atm/iphase.h @@ -636,82 +636,82 @@ struct rx_buf_desc { #define SEG_BASE IPHASE5575_FRAG_CONTROL_REG_BASE #define REASS_BASE IPHASE5575_REASS_CONTROL_REG_BASE -typedef volatile u_int freg_t; +typedef volatile u_int ffreg_t; typedef u_int rreg_t; typedef struct _ffredn_t { - freg_t idlehead_high; /* Idle cell header (high) */ - freg_t idlehead_low; /* Idle cell header (low) */ - freg_t maxrate; /* Maximum rate */ - freg_t stparms; /* Traffic Management Parameters */ - freg_t abrubr_abr; /* ABRUBR Priority Byte 1, TCR Byte 0 */ - freg_t rm_type; /* */ - u_int filler5[0x17 - 0x06]; - freg_t cmd_reg; /* Command register */ - u_int filler18[0x20 - 0x18]; - freg_t cbr_base; /* CBR Pointer Base */ - freg_t vbr_base; /* VBR Pointer Base */ - freg_t abr_base; /* ABR Pointer Base */ - freg_t ubr_base; /* UBR Pointer Base */ - u_int filler24; - freg_t vbrwq_base; /* VBR Wait Queue Base */ - freg_t abrwq_base; /* ABR Wait Queue Base */ - freg_t ubrwq_base; /* UBR Wait Queue Base */ - freg_t vct_base; /* Main VC Table Base */ - freg_t vcte_base; /* Extended Main VC Table Base */ - u_int filler2a[0x2C - 0x2A]; - freg_t cbr_tab_beg; /* CBR Table Begin */ - freg_t cbr_tab_end; /* CBR Table End */ - freg_t cbr_pointer; /* CBR Pointer */ - u_int filler2f[0x30 - 0x2F]; - freg_t prq_st_adr; /* Packet Ready Queue Start Address */ - freg_t prq_ed_adr; /* Packet Ready Queue End Address */ - freg_t prq_rd_ptr; /* Packet Ready Queue read pointer */ - freg_t prq_wr_ptr; /* Packet Ready Queue write pointer */ - freg_t tcq_st_adr; /* Transmit Complete Queue Start Address*/ - freg_t tcq_ed_adr; /* Transmit Complete Queue End Address */ - freg_t tcq_rd_ptr; /* Transmit Complete Queue read pointer */ - freg_t tcq_wr_ptr; /* Transmit Complete Queue write pointer*/ - u_int filler38[0x40 - 0x38]; - freg_t queue_base; /* Base address for PRQ and TCQ */ - freg_t desc_base; /* Base address of descriptor table */ - u_int filler42[0x45 - 0x42]; - freg_t mode_reg_0; /* Mode register 0 */ - freg_t mode_reg_1; /* Mode register 1 */ - freg_t intr_status_reg;/* Interrupt Status register */ - freg_t mask_reg; /* Mask Register */ - freg_t cell_ctr_high1; /* Total cell transfer count (high) */ - freg_t cell_ctr_lo1; /* Total cell transfer count (low) */ - freg_t state_reg; /* Status register */ - u_int filler4c[0x58 - 0x4c]; - freg_t curr_desc_num; /* Contains the current descriptor num */ - freg_t next_desc; /* Next descriptor */ - freg_t next_vc; /* Next VC */ - u_int filler5b[0x5d - 0x5b]; - freg_t present_slot_cnt;/* Present slot count */ - u_int filler5e[0x6a - 0x5e]; - freg_t new_desc_num; /* New descriptor number */ - freg_t new_vc; /* New VC */ - freg_t sched_tbl_ptr; /* Schedule table pointer */ - freg_t vbrwq_wptr; /* VBR wait queue write pointer */ - freg_t vbrwq_rptr; /* VBR wait queue read pointer */ - freg_t abrwq_wptr; /* ABR wait queue write pointer */ - freg_t abrwq_rptr; /* ABR wait queue read pointer */ - freg_t ubrwq_wptr; /* UBR wait queue write pointer */ - freg_t ubrwq_rptr; /* UBR wait queue read pointer */ - freg_t cbr_vc; /* CBR VC */ - freg_t vbr_sb_vc; /* VBR SB VC */ - freg_t abr_sb_vc; /* ABR SB VC */ - freg_t ubr_sb_vc; /* UBR SB VC */ - freg_t vbr_next_link; /* VBR next link */ - freg_t abr_next_link; /* ABR next link */ - freg_t ubr_next_link; /* UBR next link */ - u_int filler7a[0x7c-0x7a]; - freg_t out_rate_head; /* Out of rate head */ - u_int filler7d[0xca-0x7d]; /* pad out to full address space */ - freg_t cell_ctr_high1_nc;/* Total cell transfer count (high) */ - freg_t cell_ctr_lo1_nc;/* Total cell transfer count (low) */ - u_int fillercc[0x100-0xcc]; /* pad out to full address space */ + ffreg_t idlehead_high; /* Idle cell header (high) */ + ffreg_t idlehead_low; /* Idle cell header (low) */ + ffreg_t maxrate; /* Maximum rate */ + ffreg_t stparms; /* Traffic Management Parameters */ + ffreg_t abrubr_abr; /* ABRUBR Priority Byte 1, TCR Byte 0 */ + ffreg_t rm_type; /* */ + u_int filler5[0x17 - 0x06]; + ffreg_t cmd_reg; /* Command register */ + u_int filler18[0x20 - 0x18]; + ffreg_t cbr_base; /* CBR Pointer Base */ + ffreg_t vbr_base; /* VBR Pointer Base */ + ffreg_t abr_base; /* ABR Pointer Base */ + ffreg_t ubr_base; /* UBR Pointer Base */ + u_int filler24; + ffreg_t vbrwq_base; /* VBR Wait Queue Base */ + ffreg_t abrwq_base; /* ABR Wait Queue Base */ + ffreg_t ubrwq_base; /* UBR Wait Queue Base */ + ffreg_t vct_base; /* Main VC Table Base */ + ffreg_t vcte_base; /* Extended Main VC Table Base */ + u_int filler2a[0x2C - 0x2A]; + ffreg_t cbr_tab_beg; /* CBR Table Begin */ + ffreg_t cbr_tab_end; /* CBR Table End */ + ffreg_t cbr_pointer; /* CBR Pointer */ + u_int filler2f[0x30 - 0x2F]; + ffreg_t prq_st_adr; /* Packet Ready Queue Start Address */ + ffreg_t prq_ed_adr; /* Packet Ready Queue End Address */ + ffreg_t prq_rd_ptr; /* Packet Ready Queue read pointer */ + ffreg_t prq_wr_ptr; /* Packet Ready Queue write pointer */ + ffreg_t tcq_st_adr; /* Transmit Complete Queue Start Address*/ + ffreg_t tcq_ed_adr; /* Transmit Complete Queue End Address */ + ffreg_t tcq_rd_ptr; /* Transmit Complete Queue read pointer */ + ffreg_t tcq_wr_ptr; /* Transmit Complete Queue write pointer*/ + u_int filler38[0x40 - 0x38]; + ffreg_t queue_base; /* Base address for PRQ and TCQ */ + ffreg_t desc_base; /* Base address of descriptor table */ + u_int filler42[0x45 - 0x42]; + ffreg_t mode_reg_0; /* Mode register 0 */ + ffreg_t mode_reg_1; /* Mode register 1 */ + ffreg_t intr_status_reg;/* Interrupt Status register */ + ffreg_t mask_reg; /* Mask Register */ + ffreg_t cell_ctr_high1; /* Total cell transfer count (high) */ + ffreg_t cell_ctr_lo1; /* Total cell transfer count (low) */ + ffreg_t state_reg; /* Status register */ + u_int filler4c[0x58 - 0x4c]; + ffreg_t curr_desc_num; /* Contains the current descriptor num */ + ffreg_t next_desc; /* Next descriptor */ + ffreg_t next_vc; /* Next VC */ + u_int filler5b[0x5d - 0x5b]; + ffreg_t present_slot_cnt;/* Present slot count */ + u_int filler5e[0x6a - 0x5e]; + ffreg_t new_desc_num; /* New descriptor number */ + ffreg_t new_vc; /* New VC */ + ffreg_t sched_tbl_ptr; /* Schedule table pointer */ + ffreg_t vbrwq_wptr; /* VBR wait queue write pointer */ + ffreg_t vbrwq_rptr; /* VBR wait queue read pointer */ + ffreg_t abrwq_wptr; /* ABR wait queue write pointer */ + ffreg_t abrwq_rptr; /* ABR wait queue read pointer */ + ffreg_t ubrwq_wptr; /* UBR wait queue write pointer */ + ffreg_t ubrwq_rptr; /* UBR wait queue read pointer */ + ffreg_t cbr_vc; /* CBR VC */ + ffreg_t vbr_sb_vc; /* VBR SB VC */ + ffreg_t abr_sb_vc; /* ABR SB VC */ + ffreg_t ubr_sb_vc; /* UBR SB VC */ + ffreg_t vbr_next_link; /* VBR next link */ + ffreg_t abr_next_link; /* ABR next link */ + ffreg_t ubr_next_link; /* UBR next link */ + u_int filler7a[0x7c-0x7a]; + ffreg_t out_rate_head; /* Out of rate head */ + u_int filler7d[0xca-0x7d]; /* pad out to full address space */ + ffreg_t cell_ctr_high1_nc;/* Total cell transfer count (high) */ + ffreg_t cell_ctr_lo1_nc;/* Total cell transfer count (low) */ + u_int fillercc[0x100-0xcc]; /* pad out to full address space */ } ffredn_t; typedef struct _rfredn_t { diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h index 19e3fbfd5757..cb0c45488572 100644 --- a/drivers/bcma/bcma_private.h +++ b/drivers/bcma/bcma_private.h @@ -94,11 +94,16 @@ void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc); #ifdef CONFIG_BCMA_DRIVER_GPIO /* driver_gpio.c */ int bcma_gpio_init(struct bcma_drv_cc *cc); +int bcma_gpio_unregister(struct bcma_drv_cc *cc); #else static inline int bcma_gpio_init(struct bcma_drv_cc *cc) { return -ENOTSUPP; } +static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc) +{ + return 0; +} #endif /* CONFIG_BCMA_DRIVER_GPIO */ #endif diff --git a/drivers/bcma/driver_chipcommon_nflash.c b/drivers/bcma/driver_chipcommon_nflash.c index dbda91e4dff5..1f0b83e18f68 100644 --- a/drivers/bcma/driver_chipcommon_nflash.c +++ b/drivers/bcma/driver_chipcommon_nflash.c @@ -21,7 +21,7 @@ int bcma_nflash_init(struct bcma_drv_cc *cc) struct bcma_bus *bus = cc->core->bus; if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 && - cc->core->id.rev != 0x38) { + cc->core->id.rev != 38) { bcma_err(bus, "NAND flash on unsupported board!\n"); return -ENOTSUPP; } diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index 9a6f585da2d9..71f755c06fc6 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -96,3 +96,8 @@ int bcma_gpio_init(struct bcma_drv_cc *cc) return gpiochip_add(chip); } + +int bcma_gpio_unregister(struct bcma_drv_cc *cc) +{ + return gpiochip_remove(&cc->gpio); +} diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c index 4a92f647b58b..324f9debda88 100644 --- a/drivers/bcma/main.c +++ b/drivers/bcma/main.c @@ -268,6 +268,13 @@ int bcma_bus_register(struct bcma_bus *bus) void bcma_bus_unregister(struct bcma_bus *bus) { struct bcma_device *cores[3]; + int err; + + err = bcma_gpio_unregister(&bus->drv_cc); + if (err == -EBUSY) + bcma_err(bus, "Some GPIOs are still in use.\n"); + else if (err) + bcma_err(bus, "Can not unregister GPIO driver: %i\n", err); cores[0] = bcma_find_core(bus, BCMA_CORE_MIPS_74K); cores[1] = bcma_find_core(bus, BCMA_CORE_PCIE); diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c index f58a4a4b4dfb..2b8303ad63c9 100644 --- a/drivers/block/drbd/drbd_req.c +++ b/drivers/block/drbd/drbd_req.c @@ -168,7 +168,7 @@ static void wake_all_senders(struct drbd_tconn *tconn) { } /* must hold resource->req_lock */ -static void start_new_tl_epoch(struct drbd_tconn *tconn) +void start_new_tl_epoch(struct drbd_tconn *tconn) { /* no point closing an epoch, if it is empty, anyways. */ if (tconn->current_tle_writes == 0) diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h index 016de6b8bb57..c08d22964d06 100644 --- a/drivers/block/drbd/drbd_req.h +++ b/drivers/block/drbd/drbd_req.h @@ -267,6 +267,7 @@ struct bio_and_error { int error; }; +extern void start_new_tl_epoch(struct drbd_tconn *tconn); extern void drbd_req_destroy(struct kref *kref); extern void _req_may_be_done(struct drbd_request *req, struct bio_and_error *m); diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index 53bf6182bac4..0fe220cfb9e9 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -931,6 +931,7 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns, enum drbd_state_rv rv = SS_SUCCESS; enum sanitize_state_warnings ssw; struct after_state_chg_work *ascw; + bool did_remote, should_do_remote; os = drbd_read_state(mdev); @@ -981,11 +982,17 @@ __drbd_set_state(struct drbd_conf *mdev, union drbd_state ns, (os.disk != D_DISKLESS && ns.disk == D_DISKLESS)) atomic_inc(&mdev->local_cnt); + did_remote = drbd_should_do_remote(mdev->state); mdev->state.i = ns.i; + should_do_remote = drbd_should_do_remote(mdev->state); mdev->tconn->susp = ns.susp; mdev->tconn->susp_nod = ns.susp_nod; mdev->tconn->susp_fen = ns.susp_fen; + /* put replicated vs not-replicated requests in seperate epochs */ + if (did_remote != should_do_remote) + start_new_tl_epoch(mdev->tconn); + if (os.disk == D_ATTACHING && ns.disk >= D_NEGOTIATING) drbd_print_uuids(mdev, "attached to UUIDs"); diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 9694dd99bbbc..3fd100990453 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -626,12 +626,13 @@ static void mtip_timeout_function(unsigned long int data) } } - if (cmdto_cnt && !test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) { + if (cmdto_cnt) { print_tags(port->dd, "timed out", tagaccum, cmdto_cnt); - - mtip_restart_port(port); + if (!test_bit(MTIP_PF_IC_ACTIVE_BIT, &port->flags)) { + mtip_restart_port(port); + wake_up_interruptible(&port->svc_wait); + } clear_bit(MTIP_PF_EH_ACTIVE_BIT, &port->flags); - wake_up_interruptible(&port->svc_wait); } if (port->ic_pause_timer) { @@ -3887,7 +3888,12 @@ static int mtip_block_remove(struct driver_data *dd) * Delete our gendisk structure. This also removes the device * from /dev */ - del_gendisk(dd->disk); + if (dd->disk) { + if (dd->disk->queue) + del_gendisk(dd->disk); + else + put_disk(dd->disk); + } spin_lock(&rssd_index_lock); ida_remove(&rssd_index_ida, dd->index); @@ -3921,7 +3927,13 @@ static int mtip_block_shutdown(struct driver_data *dd) "Shutting down %s ...\n", dd->disk->disk_name); /* Delete our gendisk structure, and cleanup the blk queue. */ - del_gendisk(dd->disk); + if (dd->disk) { + if (dd->disk->queue) + del_gendisk(dd->disk); + else + put_disk(dd->disk); + } + spin_lock(&rssd_index_lock); ida_remove(&rssd_index_ida, dd->index); diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 74374fb762aa..5ac841ff6cc7 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -161,10 +161,12 @@ static int dispatch_rw_block_io(struct xen_blkif *blkif, static void make_response(struct xen_blkif *blkif, u64 id, unsigned short op, int st); -#define foreach_grant(pos, rbtree, node) \ - for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node); \ +#define foreach_grant_safe(pos, n, rbtree, node) \ + for ((pos) = container_of(rb_first((rbtree)), typeof(*(pos)), node), \ + (n) = rb_next(&(pos)->node); \ &(pos)->node != NULL; \ - (pos) = container_of(rb_next(&(pos)->node), typeof(*(pos)), node)) + (pos) = container_of(n, typeof(*(pos)), node), \ + (n) = (&(pos)->node != NULL) ? rb_next(&(pos)->node) : NULL) static void add_persistent_gnt(struct rb_root *root, @@ -217,10 +219,11 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num) struct gnttab_unmap_grant_ref unmap[BLKIF_MAX_SEGMENTS_PER_REQUEST]; struct page *pages[BLKIF_MAX_SEGMENTS_PER_REQUEST]; struct persistent_gnt *persistent_gnt; + struct rb_node *n; int ret = 0; int segs_to_unmap = 0; - foreach_grant(persistent_gnt, root, node) { + foreach_grant_safe(persistent_gnt, n, root, node) { BUG_ON(persistent_gnt->handle == BLKBACK_INVALID_HANDLE); gnttab_set_unmap_op(&unmap[segs_to_unmap], @@ -230,9 +233,6 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num) persistent_gnt->handle); pages[segs_to_unmap] = persistent_gnt->page; - rb_erase(&persistent_gnt->node, root); - kfree(persistent_gnt); - num--; if (++segs_to_unmap == BLKIF_MAX_SEGMENTS_PER_REQUEST || !rb_next(&persistent_gnt->node)) { @@ -241,6 +241,10 @@ static void free_persistent_gnts(struct rb_root *root, unsigned int num) BUG_ON(ret); segs_to_unmap = 0; } + + rb_erase(&persistent_gnt->node, root); + kfree(persistent_gnt); + num--; } BUG_ON(num != 0); } diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index 96e9b00db081..11043c18ac5a 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -792,6 +792,7 @@ static void blkif_free(struct blkfront_info *info, int suspend) { struct llist_node *all_gnts; struct grant *persistent_gnt; + struct llist_node *n; /* Prevent new requests being issued until we fix things up. */ spin_lock_irq(&info->io_lock); @@ -804,7 +805,7 @@ static void blkif_free(struct blkfront_info *info, int suspend) /* Remove all persistent grants */ if (info->persistent_gnts_c) { all_gnts = llist_del_all(&info->persistent_gnts); - llist_for_each_entry(persistent_gnt, all_gnts, node) { + llist_for_each_entry_safe(persistent_gnt, n, all_gnts, node) { gnttab_end_foreign_access(persistent_gnt->gref, 0, 0UL); __free_page(pfn_to_page(persistent_gnt->pfn)); kfree(persistent_gnt); @@ -835,7 +836,7 @@ static void blkif_free(struct blkfront_info *info, int suspend) static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, struct blkif_response *bret) { - int i; + int i = 0; struct bio_vec *bvec; struct req_iterator iter; unsigned long flags; @@ -852,7 +853,8 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, */ rq_for_each_segment(bvec, s->request, iter) { BUG_ON((bvec->bv_offset + bvec->bv_len) > PAGE_SIZE); - i = offset >> PAGE_SHIFT; + if (bvec->bv_offset < offset) + i++; BUG_ON(i >= s->req.u.rw.nr_segments); shared_data = kmap_atomic( pfn_to_page(s->grants_used[i]->pfn)); @@ -861,7 +863,7 @@ static void blkif_completion(struct blk_shadow *s, struct blkfront_info *info, bvec->bv_len); bvec_kunmap_irq(bvec_data, &flags); kunmap_atomic(shared_data); - offset += bvec->bv_len; + offset = bvec->bv_offset + bvec->bv_len; } } /* Add the persistent grant into the list of free grants */ diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 684b0d53764f..ee4dbeafb377 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2062,7 +2062,8 @@ static void virtcons_remove(struct virtio_device *vdev) /* Disable interrupts for vqs */ vdev->config->reset(vdev); /* Finish up work that's lined up */ - cancel_work_sync(&portdev->control_work); + if (use_multiport(portdev)) + cancel_work_sync(&portdev->control_work); list_for_each_entry_safe(port, port2, &portdev->ports, list) unplug_port(port); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 4d0e60adbc6d..a2d478e8692a 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1313,14 +1313,18 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) { radeon_wait_for_vblank(rdev, i); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) { radeon_wait_for_vblank(rdev, i); tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } } /* wait for the next frame */ @@ -1345,6 +1349,8 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav blackout &= ~BLACKOUT_MODE_MASK; WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1); } + /* wait for the MC to settle */ + udelay(100); } void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) @@ -1378,11 +1384,15 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s if (ASIC_IS_DCE6(rdev)) { tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } else { tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1); WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); + WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0); } /* wait for the next frame */ frame_count = radeon_get_vblank_counter(rdev, i); @@ -2036,9 +2046,20 @@ static void evergreen_gpu_init(struct radeon_device *rdev) WREG32(HDP_ADDR_CONFIG, gb_addr_config); WREG32(DMA_TILING_CONFIG, gb_addr_config); - tmp = gb_addr_config & NUM_PIPES_MASK; - tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, - EVERGREEN_MAX_BACKENDS, disabled_rb_mask); + if ((rdev->config.evergreen.max_backends == 1) && + (rdev->flags & RADEON_IS_IGP)) { + if ((disabled_rb_mask & 3) == 1) { + /* RB0 disabled, RB1 enabled */ + tmp = 0x11111111; + } else { + /* RB1 disabled, RB0 enabled */ + tmp = 0x00000000; + } + } else { + tmp = gb_addr_config & NUM_PIPES_MASK; + tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends, + EVERGREEN_MAX_BACKENDS, disabled_rb_mask); + } WREG32(GB_BACKEND_MAP, tmp); WREG32(CGTS_SYS_TCC_DISABLE, 0); diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index bc2540b17c5e..becb03e8b32f 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1462,12 +1462,15 @@ u32 r6xx_remap_render_backend(struct radeon_device *rdev, u32 disabled_rb_mask) { u32 rendering_pipe_num, rb_num_width, req_rb_num; - u32 pipe_rb_ratio, pipe_rb_remain; + u32 pipe_rb_ratio, pipe_rb_remain, tmp; u32 data = 0, mask = 1 << (max_rb_num - 1); unsigned i, j; /* mask out the RBs that don't exist on that asic */ - disabled_rb_mask |= (0xff << max_rb_num) & 0xff; + tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff); + /* make sure at least one RB is available */ + if ((tmp & 0xff) != 0xff) + disabled_rb_mask = tmp; rendering_pipe_num = 1 << tiling_pipe_num; req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask); diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c index 9056fafb00ea..0b202c07fe50 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.c +++ b/drivers/gpu/drm/radeon/radeon_asic.c @@ -1445,7 +1445,7 @@ static struct radeon_asic cayman_asic = { .vm = { .init = &cayman_vm_init, .fini = &cayman_vm_fini, - .pt_ring_index = R600_RING_TYPE_DMA_INDEX, + .pt_ring_index = RADEON_RING_TYPE_GFX_INDEX, .set_page = &cayman_vm_set_page, }, .ring = { @@ -1572,7 +1572,7 @@ static struct radeon_asic trinity_asic = { .vm = { .init = &cayman_vm_init, .fini = &cayman_vm_fini, - .pt_ring_index = R600_RING_TYPE_DMA_INDEX, + .pt_ring_index = RADEON_RING_TYPE_GFX_INDEX, .set_page = &cayman_vm_set_page, }, .ring = { @@ -1699,7 +1699,7 @@ static struct radeon_asic si_asic = { .vm = { .init = &si_vm_init, .fini = &si_vm_fini, - .pt_ring_index = R600_RING_TYPE_DMA_INDEX, + .pt_ring_index = RADEON_RING_TYPE_GFX_INDEX, .set_page = &si_vm_set_page, }, .ring = { diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 33a56a09ff10..3e403bdda58f 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -2470,6 +2470,14 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) 1), ATOM_DEVICE_CRT1_SUPPORT); } + /* RV100 board with external TDMS bit mis-set. + * Actually uses internal TMDS, clear the bit. + */ + if (dev->pdev->device == 0x5159 && + dev->pdev->subsystem_vendor == 0x1014 && + dev->pdev->subsystem_device == 0x029A) { + tmp &= ~(1 << 4); + } if ((tmp >> 4) & 0x1) { devices |= ATOM_DEVICE_DFP2_SUPPORT; radeon_add_legacy_encoder(dev, diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index ff3def784619..05c96fa0b051 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -1115,8 +1115,10 @@ radeon_user_framebuffer_create(struct drm_device *dev, } radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); - if (radeon_fb == NULL) + if (radeon_fb == NULL) { + drm_gem_object_unreference_unlocked(obj); return ERR_PTR(-ENOMEM); + } ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj); if (ret) { diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 2430d80b1871..cd72062d5a91 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -377,6 +377,9 @@ int radeon_ring_alloc(struct radeon_device *rdev, struct radeon_ring *ring, unsi { int r; + /* make sure we aren't trying to allocate more space than there is on the ring */ + if (ndw > (ring->ring_size / 4)) + return -ENOMEM; /* Align requested size with padding so unlock_commit can * pad safely */ ndw = (ndw + ring->align_mask) & ~ring->align_mask; diff --git a/drivers/gpu/drm/radeon/reg_srcs/cayman b/drivers/gpu/drm/radeon/reg_srcs/cayman index 0f656b111c15..a072fa8c46b0 100644 --- a/drivers/gpu/drm/radeon/reg_srcs/cayman +++ b/drivers/gpu/drm/radeon/reg_srcs/cayman @@ -1,5 +1,6 @@ cayman 0x9400 0x0000802C GRBM_GFX_INDEX +0x00008040 WAIT_UNTIL 0x000084FC CP_STRMOUT_CNTL 0x000085F0 CP_COHER_CNTL 0x000085F4 CP_COHER_SIZE diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c index 2bb6d0e84b3d..435ed3551364 100644 --- a/drivers/gpu/drm/radeon/rv515.c +++ b/drivers/gpu/drm/radeon/rv515.c @@ -336,6 +336,8 @@ void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save) WREG32(R600_CITF_CNTL, blackout); } } + /* wait for the MC to settle */ + udelay(100); } void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save) diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 44420fca7dfa..8be35c809c7b 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -429,7 +429,7 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, struct ttm_bo_device *bdev = bo->bdev; struct ttm_bo_driver *driver = bdev->driver; - fbo = kzalloc(sizeof(*fbo), GFP_KERNEL); + fbo = kmalloc(sizeof(*fbo), GFP_KERNEL); if (!fbo) return -ENOMEM; @@ -448,7 +448,12 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo, fbo->vm_node = NULL; atomic_set(&fbo->cpu_writers, 0); - fbo->sync_obj = driver->sync_obj_ref(bo->sync_obj); + spin_lock(&bdev->fence_lock); + if (bo->sync_obj) + fbo->sync_obj = driver->sync_obj_ref(bo->sync_obj); + else + fbo->sync_obj = NULL; + spin_unlock(&bdev->fence_lock); kref_init(&fbo->list_kref); kref_init(&fbo->kref); fbo->destroy = &ttm_transfered_destroy; @@ -661,13 +666,11 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo, */ set_bit(TTM_BO_PRIV_FLAG_MOVING, &bo->priv_flags); - - /* ttm_buffer_object_transfer accesses bo->sync_obj */ - ret = ttm_buffer_object_transfer(bo, &ghost_obj); spin_unlock(&bdev->fence_lock); if (tmp_obj) driver->sync_obj_unref(&tmp_obj); + ret = ttm_buffer_object_transfer(bo, &ghost_obj); if (ret) return ret; diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c index 4850d03870c2..35275099cafd 100644 --- a/drivers/infiniband/hw/qib/qib_qp.c +++ b/drivers/infiniband/hw/qib/qib_qp.c @@ -263,20 +263,15 @@ static void remove_qp(struct qib_ibdev *dev, struct qib_qp *qp) struct qib_qp __rcu **qpp; qpp = &dev->qp_table[n]; - q = rcu_dereference_protected(*qpp, - lockdep_is_held(&dev->qpt_lock)); - for (; q; qpp = &q->next) { + for (; (q = rcu_dereference_protected(*qpp, + lockdep_is_held(&dev->qpt_lock))) != NULL; + qpp = &q->next) if (q == qp) { atomic_dec(&qp->refcount); *qpp = qp->next; rcu_assign_pointer(qp->next, NULL); - q = rcu_dereference_protected(*qpp, - lockdep_is_held(&dev->qpt_lock)); break; } - q = rcu_dereference_protected(*qpp, - lockdep_is_held(&dev->qpt_lock)); - } } spin_unlock_irqrestore(&dev->qpt_lock, flags); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 03103d2bd641..67b0c1d23678 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -741,6 +741,9 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ tx_req->mapping = addr; + skb_orphan(skb); + skb_dst_drop(skb); + rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1), addr, skb->len); if (unlikely(rc)) { @@ -752,9 +755,6 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ dev->trans_start = jiffies; ++tx->tx_head; - skb_orphan(skb); - skb_dst_drop(skb); - if (++priv->tx_outstanding == ipoib_sendq_size) { ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n", tx->qp->qp_num); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index a1bca70e20aa..2cfa76f5d99e 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -600,6 +600,9 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, netif_stop_queue(dev); } + skb_orphan(skb); + skb_dst_drop(skb); + rc = post_send(priv, priv->tx_head & (ipoib_sendq_size - 1), address->ah, qpn, tx_req, phead, hlen); if (unlikely(rc)) { @@ -615,9 +618,6 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb, address->last_send = priv->tx_head; ++priv->tx_head; - - skb_orphan(skb); - skb_dst_drop(skb); } if (unlikely(priv->tx_outstanding > MAX_SEND_CQE)) diff --git a/drivers/media/radio/radio-keene.c b/drivers/media/radio/radio-keene.c index e10e525f33e5..296941a9ae25 100644 --- a/drivers/media/radio/radio-keene.c +++ b/drivers/media/radio/radio-keene.c @@ -374,6 +374,7 @@ static int usb_keene_probe(struct usb_interface *intf, radio->vdev.ioctl_ops = &usb_keene_ioctl_ops; radio->vdev.lock = &radio->lock; radio->vdev.release = video_device_release_empty; + radio->vdev.vfl_dir = VFL_DIR_TX; radio->usbdev = interface_to_usbdev(intf); radio->intf = intf; diff --git a/drivers/media/radio/radio-si4713.c b/drivers/media/radio/radio-si4713.c index a082e400ed0f..1507c9d508d7 100644 --- a/drivers/media/radio/radio-si4713.c +++ b/drivers/media/radio/radio-si4713.c @@ -250,6 +250,7 @@ static struct video_device radio_si4713_vdev_template = { .name = "radio-si4713", .release = video_device_release, .ioctl_ops = &radio_si4713_ioctl_ops, + .vfl_dir = VFL_DIR_TX, }; /* Platform driver interface */ diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c index c48be195bbad..cabbe3adf435 100644 --- a/drivers/media/radio/radio-wl1273.c +++ b/drivers/media/radio/radio-wl1273.c @@ -1971,6 +1971,7 @@ static struct video_device wl1273_viddev_template = { .ioctl_ops = &wl1273_ioctl_ops, .name = WL1273_FM_DRIVER_NAME, .release = wl1273_vdev_release, + .vfl_dir = VFL_DIR_TX, }; static int wl1273_fm_radio_remove(struct platform_device *pdev) diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c index 048de4536036..0a8ee8fab924 100644 --- a/drivers/media/radio/wl128x/fmdrv_v4l2.c +++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c @@ -518,6 +518,16 @@ static struct video_device fm_viddev_template = { .ioctl_ops = &fm_drv_ioctl_ops, .name = FM_DRV_NAME, .release = video_device_release, + /* + * To ensure both the tuner and modulator ioctls are accessible we + * set the vfl_dir to M2M to indicate this. + * + * It is not really a mem2mem device of course, but it can both receive + * and transmit using the same radio device. It's the only radio driver + * that does this and it should really be split in two radio devices, + * but that would affect applications using this driver. + */ + .vfl_dir = VFL_DIR_M2M, }; int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr) diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig index 27f80cd8aef3..46dcb54c32ec 100644 --- a/drivers/mtd/devices/Kconfig +++ b/drivers/mtd/devices/Kconfig @@ -272,6 +272,7 @@ config MTD_DOCG3 tristate "M-Systems Disk-On-Chip G3" select BCH select BCH_CONST_PARAMS + select BITREVERSE ---help--- This provides an MTD device driver for the M-Systems DiskOnChip G3 devices. diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c index 67cc73c18ddd..7901d72c9242 100644 --- a/drivers/mtd/maps/physmap_of.c +++ b/drivers/mtd/maps/physmap_of.c @@ -170,7 +170,7 @@ static int of_flash_probe(struct platform_device *dev) resource_size_t res_size; struct mtd_part_parser_data ppdata; bool map_indirect; - const char *mtd_name; + const char *mtd_name = NULL; match = of_match_device(of_flash_match, &dev->dev); if (!match) diff --git a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c index 86c9a79b89b3..595de4012e71 100644 --- a/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c +++ b/drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c @@ -17,8 +17,8 @@ #include "bcm47xxnflash.h" /* Broadcom uses 1'000'000 but it seems to be too many. Tests on WNDR4500 has - * shown 164 retries as maxiumum. */ -#define NFLASH_READY_RETRIES 1000 + * shown ~1000 retries as maxiumum. */ +#define NFLASH_READY_RETRIES 10000 #define NFLASH_SECTOR_SIZE 512 diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 3502606f6480..feae55c7b880 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -523,7 +523,7 @@ static struct nand_ecclayout hwecc4_2048 __initconst = { static const struct of_device_id davinci_nand_of_match[] = { {.compatible = "ti,davinci-nand", }, {}, -} +}; MODULE_DEVICE_TABLE(of, davinci_nand_of_match); static struct davinci_nand_pdata diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 8323ac991ad1..3766682a0289 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2857,8 +2857,11 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, int i; int val; - /* ONFI need to be probed in 8 bits mode */ - WARN_ON(chip->options & NAND_BUSWIDTH_16); + /* ONFI need to be probed in 8 bits mode, and 16 bits should be selected with NAND_BUSWIDTH_AUTO */ + if (chip->options & NAND_BUSWIDTH_16) { + pr_err("Trying ONFI probe in 16 bits mode, aborting !\n"); + return 0; + } /* Try ONFI for unknown chip or LP */ chip->cmdfunc(mtd, NAND_CMD_READID, 0x20, -1); if (chip->read_byte(mtd) != 'O' || chip->read_byte(mtd) != 'N' || diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 1877ed7ca086..1c9e09fbdff8 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1053,6 +1053,7 @@ static ssize_t bonding_store_primary(struct device *d, pr_info("%s: Setting primary slave to None.\n", bond->dev->name); bond->primary_slave = NULL; + memset(bond->params.primary, 0, sizeof(bond->params.primary)); bond_select_active_slave(bond); goto out; } diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 58607f196c9e..2282b1ae9765 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -488,8 +488,12 @@ static void c_can_setup_receive_object(struct net_device *dev, int iface, priv->write_reg(priv, C_CAN_IFACE(MASK1_REG, iface), IFX_WRITE_LOW_16BIT(mask)); + + /* According to C_CAN documentation, the reserved bit + * in IFx_MASK2 register is fixed 1 + */ priv->write_reg(priv, C_CAN_IFACE(MASK2_REG, iface), - IFX_WRITE_HIGH_16BIT(mask)); + IFX_WRITE_HIGH_16BIT(mask) | BIT(13)); priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface), IFX_WRITE_LOW_16BIT(id)); diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 4eba17b83ba8..f1b3df167ff2 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -36,13 +36,13 @@ #define DRV_VER "4.4.161.0u" #define DRV_NAME "be2net" -#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC" -#define BE3_NAME "ServerEngines BladeEngine3 10Gbps NIC" -#define OC_NAME "Emulex OneConnect 10Gbps NIC" +#define BE_NAME "Emulex BladeEngine2" +#define BE3_NAME "Emulex BladeEngine3" +#define OC_NAME "Emulex OneConnect" #define OC_NAME_BE OC_NAME "(be3)" #define OC_NAME_LANCER OC_NAME "(Lancer)" #define OC_NAME_SH OC_NAME "(Skyhawk)" -#define DRV_DESC "ServerEngines BladeEngine 10Gbps NIC Driver" +#define DRV_DESC "Emulex OneConnect 10Gbps NIC Driver" #define BE_VENDOR_ID 0x19a2 #define EMULEX_VENDOR_ID 0x10df diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 5c995700e534..4d6f3c54427a 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -25,7 +25,7 @@ MODULE_VERSION(DRV_VER); MODULE_DEVICE_TABLE(pci, be_dev_ids); MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); -MODULE_AUTHOR("ServerEngines Corporation"); +MODULE_AUTHOR("Emulex Corporation"); MODULE_LICENSE("GPL"); static unsigned int num_vfs; diff --git a/drivers/net/ethernet/intel/e1000e/defines.h b/drivers/net/ethernet/intel/e1000e/defines.h index 02a12b69555f..4dab6fc265a2 100644 --- a/drivers/net/ethernet/intel/e1000e/defines.h +++ b/drivers/net/ethernet/intel/e1000e/defines.h @@ -232,6 +232,7 @@ #define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */ #define E1000_CTRL_LANPHYPC_OVERRIDE 0x00010000 /* SW control of LANPHYPC */ #define E1000_CTRL_LANPHYPC_VALUE 0x00020000 /* SW value of LANPHYPC */ +#define E1000_CTRL_MEHE 0x00080000 /* Memory Error Handling Enable */ #define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */ #define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */ #define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */ @@ -389,6 +390,12 @@ #define E1000_PBS_16K E1000_PBA_16K +/* Uncorrectable/correctable ECC Error counts and enable bits */ +#define E1000_PBECCSTS_CORR_ERR_CNT_MASK 0x000000FF +#define E1000_PBECCSTS_UNCORR_ERR_CNT_MASK 0x0000FF00 +#define E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT 8 +#define E1000_PBECCSTS_ECC_ENABLE 0x00010000 + #define IFS_MAX 80 #define IFS_MIN 40 #define IFS_RATIO 4 @@ -408,6 +415,7 @@ #define E1000_ICR_RXSEQ 0x00000008 /* Rx sequence error */ #define E1000_ICR_RXDMT0 0x00000010 /* Rx desc min. threshold (0) */ #define E1000_ICR_RXT0 0x00000080 /* Rx timer intr (ring 0) */ +#define E1000_ICR_ECCER 0x00400000 /* Uncorrectable ECC Error */ #define E1000_ICR_INT_ASSERTED 0x80000000 /* If this bit asserted, the driver should claim the interrupt */ #define E1000_ICR_RXQ0 0x00100000 /* Rx Queue 0 Interrupt */ #define E1000_ICR_RXQ1 0x00200000 /* Rx Queue 1 Interrupt */ @@ -443,6 +451,7 @@ #define E1000_IMS_RXSEQ E1000_ICR_RXSEQ /* Rx sequence error */ #define E1000_IMS_RXDMT0 E1000_ICR_RXDMT0 /* Rx desc min. threshold */ #define E1000_IMS_RXT0 E1000_ICR_RXT0 /* Rx timer intr */ +#define E1000_IMS_ECCER E1000_ICR_ECCER /* Uncorrectable ECC Error */ #define E1000_IMS_RXQ0 E1000_ICR_RXQ0 /* Rx Queue 0 Interrupt */ #define E1000_IMS_RXQ1 E1000_ICR_RXQ1 /* Rx Queue 1 Interrupt */ #define E1000_IMS_TXQ0 E1000_ICR_TXQ0 /* Tx Queue 0 Interrupt */ diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index 6782a2eea1bc..7e95f221d60b 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -309,6 +309,8 @@ struct e1000_adapter { struct napi_struct napi; + unsigned int uncorr_errors; /* uncorrectable ECC errors */ + unsigned int corr_errors; /* correctable ECC errors */ unsigned int restart_queue; u32 txd_cmd; diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c index f95bc6ee1c22..fd4772a2691c 100644 --- a/drivers/net/ethernet/intel/e1000e/ethtool.c +++ b/drivers/net/ethernet/intel/e1000e/ethtool.c @@ -108,6 +108,8 @@ static const struct e1000_stats e1000_gstrings_stats[] = { E1000_STAT("dropped_smbus", stats.mgpdc), E1000_STAT("rx_dma_failed", rx_dma_failed), E1000_STAT("tx_dma_failed", tx_dma_failed), + E1000_STAT("uncorr_ecc_errors", uncorr_errors), + E1000_STAT("corr_ecc_errors", corr_errors), }; #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h index cf217777586c..b88676ff3d86 100644 --- a/drivers/net/ethernet/intel/e1000e/hw.h +++ b/drivers/net/ethernet/intel/e1000e/hw.h @@ -77,6 +77,7 @@ enum e1e_registers { #define E1000_POEMB E1000_PHY_CTRL /* PHY OEM Bits */ E1000_PBA = 0x01000, /* Packet Buffer Allocation - RW */ E1000_PBS = 0x01008, /* Packet Buffer Size */ + E1000_PBECCSTS = 0x0100C, /* Packet Buffer ECC Status - RW */ E1000_EEMNGCTL = 0x01010, /* MNG EEprom Control */ E1000_EEWR = 0x0102C, /* EEPROM Write Register - RW */ E1000_FLOP = 0x0103C, /* FLASH Opcode Register */ diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c index 976336547607..24d9f61956f0 100644 --- a/drivers/net/ethernet/intel/e1000e/ich8lan.c +++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c @@ -3624,6 +3624,17 @@ static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw) if (hw->mac.type == e1000_ich8lan) reg |= (E1000_RFCTL_IPV6_EX_DIS | E1000_RFCTL_NEW_IPV6_EXT_DIS); ew32(RFCTL, reg); + + /* Enable ECC on Lynxpoint */ + if (hw->mac.type == e1000_pch_lpt) { + reg = er32(PBECCSTS); + reg |= E1000_PBECCSTS_ECC_ENABLE; + ew32(PBECCSTS, reg); + + reg = er32(CTRL); + reg |= E1000_CTRL_MEHE; + ew32(CTRL, reg); + } } /** diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index fbf75fdca994..643c883dd795 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -1678,6 +1678,23 @@ static irqreturn_t e1000_intr_msi(int irq, void *data) mod_timer(&adapter->watchdog_timer, jiffies + 1); } + /* Reset on uncorrectable ECC error */ + if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) { + u32 pbeccsts = er32(PBECCSTS); + + adapter->corr_errors += + pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK; + adapter->uncorr_errors += + (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >> + E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT; + + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->reset_task); + + /* return immediately since reset is imminent */ + return IRQ_HANDLED; + } + if (napi_schedule_prep(&adapter->napi)) { adapter->total_tx_bytes = 0; adapter->total_tx_packets = 0; @@ -1741,6 +1758,23 @@ static irqreturn_t e1000_intr(int irq, void *data) mod_timer(&adapter->watchdog_timer, jiffies + 1); } + /* Reset on uncorrectable ECC error */ + if ((icr & E1000_ICR_ECCER) && (hw->mac.type == e1000_pch_lpt)) { + u32 pbeccsts = er32(PBECCSTS); + + adapter->corr_errors += + pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK; + adapter->uncorr_errors += + (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >> + E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT; + + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->reset_task); + + /* return immediately since reset is imminent */ + return IRQ_HANDLED; + } + if (napi_schedule_prep(&adapter->napi)) { adapter->total_tx_bytes = 0; adapter->total_tx_packets = 0; @@ -2104,6 +2138,8 @@ static void e1000_irq_enable(struct e1000_adapter *adapter) if (adapter->msix_entries) { ew32(EIAC_82574, adapter->eiac_mask & E1000_EIAC_MASK_82574); ew32(IMS, adapter->eiac_mask | E1000_IMS_OTHER | E1000_IMS_LSC); + } else if (hw->mac.type == e1000_pch_lpt) { + ew32(IMS, IMS_ENABLE_MASK | E1000_IMS_ECCER); } else { ew32(IMS, IMS_ENABLE_MASK); } @@ -4251,6 +4287,16 @@ static void e1000e_update_stats(struct e1000_adapter *adapter) adapter->stats.mgptc += er32(MGTPTC); adapter->stats.mgprc += er32(MGTPRC); adapter->stats.mgpdc += er32(MGTPDC); + + /* Correctable ECC Errors */ + if (hw->mac.type == e1000_pch_lpt) { + u32 pbeccsts = er32(PBECCSTS); + adapter->corr_errors += + pbeccsts & E1000_PBECCSTS_CORR_ERR_CNT_MASK; + adapter->uncorr_errors += + (pbeccsts & E1000_PBECCSTS_UNCORR_ERR_CNT_MASK) >> + E1000_PBECCSTS_UNCORR_ERR_CNT_SHIFT; + } } /** diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index a6542d75374c..5163af314990 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -380,7 +380,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) } } - if ((dev_cap->flags & + if ((dev->caps.flags & (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) && mlx4_is_master(dev)) dev->caps.function_caps |= MLX4_FUNC_CAP_64B_EQE_CQE; diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 7992b3e05d3d..78ace59efd29 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1801,7 +1801,7 @@ static void rhine_tx(struct net_device *dev) rp->tx_skbuff[entry]->len, PCI_DMA_TODEVICE); } - dev_kfree_skb_irq(rp->tx_skbuff[entry]); + dev_kfree_skb(rp->tx_skbuff[entry]); rp->tx_skbuff[entry] = NULL; entry = (++rp->dirty_tx) % TX_RING_SIZE; } @@ -2010,11 +2010,7 @@ static void rhine_slow_event_task(struct work_struct *work) if (intr_status & IntrPCIErr) netif_warn(rp, hw, dev, "PCI error\n"); - napi_disable(&rp->napi); - rhine_irq_disable(rp); - /* Slow and safe. Consider __napi_schedule as a replacement ? */ - napi_enable(&rp->napi); - napi_schedule(&rp->napi); + iowrite16(RHINE_EVENT & 0xffff, rp->base + IntrEnable); out_unlock: mutex_unlock(&rp->task_lock); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index cc09b67c23bc..2917a86f4c43 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -298,11 +298,12 @@ static void tun_flow_cleanup(unsigned long data) } static void tun_flow_update(struct tun_struct *tun, u32 rxhash, - u16 queue_index) + struct tun_file *tfile) { struct hlist_head *head; struct tun_flow_entry *e; unsigned long delay = tun->ageing_time; + u16 queue_index = tfile->queue_index; if (!rxhash) return; @@ -311,7 +312,9 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash, rcu_read_lock(); - if (tun->numqueues == 1) + /* We may get a very small possibility of OOO during switching, not + * worth to optimize.*/ + if (tun->numqueues == 1 || tfile->detached) goto unlock; e = tun_flow_find(head, rxhash); @@ -411,21 +414,21 @@ static void __tun_detach(struct tun_file *tfile, bool clean) tun = rtnl_dereference(tfile->tun); - if (tun) { + if (tun && !tfile->detached) { u16 index = tfile->queue_index; BUG_ON(index >= tun->numqueues); dev = tun->dev; rcu_assign_pointer(tun->tfiles[index], tun->tfiles[tun->numqueues - 1]); - rcu_assign_pointer(tfile->tun, NULL); ntfile = rtnl_dereference(tun->tfiles[index]); ntfile->queue_index = index; --tun->numqueues; - if (clean) + if (clean) { + rcu_assign_pointer(tfile->tun, NULL); sock_put(&tfile->sk); - else + } else tun_disable_queue(tun, tfile); synchronize_net(); @@ -439,10 +442,13 @@ static void __tun_detach(struct tun_file *tfile, bool clean) } if (clean) { - if (tun && tun->numqueues == 0 && tun->numdisabled == 0 && - !(tun->flags & TUN_PERSIST)) - if (tun->dev->reg_state == NETREG_REGISTERED) + if (tun && tun->numqueues == 0 && tun->numdisabled == 0) { + netif_carrier_off(tun->dev); + + if (!(tun->flags & TUN_PERSIST) && + tun->dev->reg_state == NETREG_REGISTERED) unregister_netdevice(tun->dev); + } BUG_ON(!test_bit(SOCK_EXTERNALLY_ALLOCATED, &tfile->socket.flags)); @@ -470,6 +476,10 @@ static void tun_detach_all(struct net_device *dev) rcu_assign_pointer(tfile->tun, NULL); --tun->numqueues; } + list_for_each_entry(tfile, &tun->disabled, next) { + wake_up_all(&tfile->wq.wait); + rcu_assign_pointer(tfile->tun, NULL); + } BUG_ON(tun->numqueues != 0); synchronize_net(); @@ -500,7 +510,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file) goto out; err = -EINVAL; - if (rtnl_dereference(tfile->tun)) + if (rtnl_dereference(tfile->tun) && !tfile->detached) goto out; err = -EBUSY; @@ -1199,7 +1209,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, tun->dev->stats.rx_packets++; tun->dev->stats.rx_bytes += len; - tun_flow_update(tun, rxhash, tfile->queue_index); + tun_flow_update(tun, rxhash, tfile); return total_len; } @@ -1658,10 +1668,10 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) device_create_file(&tun->dev->dev, &dev_attr_owner) || device_create_file(&tun->dev->dev, &dev_attr_group)) pr_err("Failed to create tun sysfs files\n"); - - netif_carrier_on(tun->dev); } + netif_carrier_on(tun->dev); + tun_debug(KERN_INFO, tun, "tun_set_iff\n"); if (ifr->ifr_flags & IFF_NO_PI) @@ -1813,7 +1823,7 @@ static int tun_set_queue(struct file *file, struct ifreq *ifr) ret = tun_attach(tun, file); } else if (ifr->ifr_flags & IFF_DETACH_QUEUE) { tun = rtnl_dereference(tfile->tun); - if (!tun || !(tun->flags & TUN_TAP_MQ)) + if (!tun || !(tun->flags & TUN_TAP_MQ) || tfile->detached) ret = -EINVAL; else __tun_detach(tfile, false); diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 9197b2c72ca3..00d3b2d37828 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1215,6 +1215,9 @@ static const struct usb_device_id cdc_devs[] = { { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46), .driver_info = (unsigned long)&wwan_info, }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x76), + .driver_info = (unsigned long)&wwan_info, + }, /* Infineon(now Intel) HSPA Modem platform */ { USB_DEVICE_AND_INTERFACE_INFO(0x1519, 0x0443, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 575a5839ee34..c8e05e27f38c 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -351,6 +351,10 @@ static const struct usb_device_id products[] = { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 57), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* HUAWEI_INTERFACE_NDIS_CONTROL_QUALCOMM */ + USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), + .driver_info = (unsigned long)&qmi_wwan_info, + }, /* 2. Combined interface devices matching on class+protocol */ { /* Huawei E367 and possibly others in "Windows mode" */ @@ -361,6 +365,14 @@ static const struct usb_device_id products[] = { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* HUAWEI_NDIS_SINGLE_INTERFACE_VDF */ + USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x37), + .driver_info = (unsigned long)&qmi_wwan_info, + }, + { /* HUAWEI_INTERFACE_NDIS_HW_QUALCOMM */ + USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x67), + .driver_info = (unsigned long)&qmi_wwan_info, + }, { /* Pantech UML290, P4200 and more */ USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), .driver_info = (unsigned long)&qmi_wwan_info, @@ -461,6 +473,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ + {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index f34b2ebee815..5e33606c1366 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -380,6 +380,12 @@ static int rx_submit (struct usbnet *dev, struct urb *urb, gfp_t flags) unsigned long lockflags; size_t size = dev->rx_urb_size; + /* prevent rx skb allocation when error ratio is high */ + if (test_bit(EVENT_RX_KILL, &dev->flags)) { + usb_free_urb(urb); + return -ENOLINK; + } + skb = __netdev_alloc_skb_ip_align(dev->net, size, flags); if (!skb) { netif_dbg(dev, rx_err, dev->net, "no rx skb\n"); @@ -539,6 +545,17 @@ block: break; } + /* stop rx if packet error rate is high */ + if (++dev->pkt_cnt > 30) { + dev->pkt_cnt = 0; + dev->pkt_err = 0; + } else { + if (state == rx_cleanup) + dev->pkt_err++; + if (dev->pkt_err > 20) + set_bit(EVENT_RX_KILL, &dev->flags); + } + state = defer_bh(dev, skb, &dev->rxq, state); if (urb) { @@ -791,6 +808,11 @@ int usbnet_open (struct net_device *net) (dev->driver_info->flags & FLAG_FRAMING_AX) ? "ASIX" : "simple"); + /* reset rx error state */ + dev->pkt_cnt = 0; + dev->pkt_err = 0; + clear_bit(EVENT_RX_KILL, &dev->flags); + // delay posting reads until we're fully open tasklet_schedule (&dev->bh); if (info->manage_power) { @@ -1103,13 +1125,11 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, if (info->tx_fixup) { skb = info->tx_fixup (dev, skb, GFP_ATOMIC); if (!skb) { - if (netif_msg_tx_err(dev)) { - netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n"); - goto drop; - } else { - /* cdc_ncm collected packet; waits for more */ + /* packet collected; minidriver waiting for more */ + if (info->flags & FLAG_MULTI_PACKET) goto not_drop; - } + netif_dbg(dev, tx_err, dev->net, "can't tx_fixup skb\n"); + goto drop; } } length = skb->len; @@ -1254,6 +1274,9 @@ static void usbnet_bh (unsigned long param) } } + /* restart RX again after disabling due to high error rate */ + clear_bit(EVENT_RX_KILL, &dev->flags); + // waiting for all pending urbs to complete? if (dev->wait) { if ((dev->txq.qlen + dev->rxq.qlen + dev->done.qlen) == 0) { diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index dc8913c6238c..12c6440d1649 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -154,8 +154,7 @@ vmxnet3_check_link(struct vmxnet3_adapter *adapter, bool affectTxQueue) if (ret & 1) { /* Link is up. */ printk(KERN_INFO "%s: NIC Link is Up %d Mbps\n", adapter->netdev->name, adapter->link_speed); - if (!netif_carrier_ok(adapter->netdev)) - netif_carrier_on(adapter->netdev); + netif_carrier_on(adapter->netdev); if (affectTxQueue) { for (i = 0; i < adapter->num_tx_queues; i++) @@ -165,8 +164,7 @@ vmxnet3_check_link(struct vmxnet3_adapter *adapter, bool affectTxQueue) } else { printk(KERN_INFO "%s: NIC Link is Down\n", adapter->netdev->name); - if (netif_carrier_ok(adapter->netdev)) - netif_carrier_off(adapter->netdev); + netif_carrier_off(adapter->netdev); if (affectTxQueue) { for (i = 0; i < adapter->num_tx_queues; i++) @@ -3061,6 +3059,7 @@ vmxnet3_probe_device(struct pci_dev *pdev, netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues); netif_set_real_num_rx_queues(adapter->netdev, adapter->num_rx_queues); + netif_carrier_off(netdev); err = register_netdev(netdev); if (err) { diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 0f71d1d4339d..e5fd20994bec 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -36,6 +36,7 @@ #include "debug.h" #define N_TX_QUEUES 4 /* #tx queues on mac80211<->driver interface */ +#define BRCMS_FLUSH_TIMEOUT 500 /* msec */ /* Flags we support */ #define MAC_FILTERS (FIF_PROMISC_IN_BSS | \ @@ -708,16 +709,29 @@ static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw) wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, blocked); } +static bool brcms_tx_flush_completed(struct brcms_info *wl) +{ + bool result; + + spin_lock_bh(&wl->lock); + result = brcms_c_tx_flush_completed(wl->wlc); + spin_unlock_bh(&wl->lock); + return result; +} + static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop) { struct brcms_info *wl = hw->priv; + int ret; no_printk("%s: drop = %s\n", __func__, drop ? "true" : "false"); - /* wait for packet queue and dma fifos to run empty */ - spin_lock_bh(&wl->lock); - brcms_c_wait_for_tx_completion(wl->wlc, drop); - spin_unlock_bh(&wl->lock); + ret = wait_event_timeout(wl->tx_flush_wq, + brcms_tx_flush_completed(wl), + msecs_to_jiffies(BRCMS_FLUSH_TIMEOUT)); + + brcms_dbg_mac80211(wl->wlc->hw->d11core, + "ret=%d\n", jiffies_to_msecs(ret)); } static const struct ieee80211_ops brcms_ops = { @@ -772,6 +786,7 @@ void brcms_dpc(unsigned long data) done: spin_unlock_bh(&wl->lock); + wake_up(&wl->tx_flush_wq); } /* @@ -1020,6 +1035,8 @@ static struct brcms_info *brcms_attach(struct bcma_device *pdev) atomic_set(&wl->callbacks, 0); + init_waitqueue_head(&wl->tx_flush_wq); + /* setup the bottom half handler */ tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl); @@ -1609,13 +1626,3 @@ bool brcms_rfkill_set_hw_state(struct brcms_info *wl) spin_lock_bh(&wl->lock); return blocked; } - -/* - * precondition: perimeter lock has been acquired - */ -void brcms_msleep(struct brcms_info *wl, uint ms) -{ - spin_unlock_bh(&wl->lock); - msleep(ms); - spin_lock_bh(&wl->lock); -} diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h index 9358bd5ebd35..947ccacf43e6 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.h @@ -68,6 +68,8 @@ struct brcms_info { spinlock_t lock; /* per-device perimeter lock */ spinlock_t isr_lock; /* per-device ISR synchronization lock */ + /* tx flush */ + wait_queue_head_t tx_flush_wq; /* timer related fields */ atomic_t callbacks; /* # outstanding callback functions */ @@ -100,7 +102,6 @@ extern struct brcms_timer *brcms_init_timer(struct brcms_info *wl, extern void brcms_free_timer(struct brcms_timer *timer); extern void brcms_add_timer(struct brcms_timer *timer, uint ms, int periodic); extern bool brcms_del_timer(struct brcms_timer *timer); -extern void brcms_msleep(struct brcms_info *wl, uint ms); extern void brcms_dpc(unsigned long data); extern void brcms_timer(struct brcms_timer *t); extern void brcms_fatal_error(struct brcms_info *wl); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index 17594de4199e..8b5839008af3 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -1027,7 +1027,6 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs) static bool brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) { - bool morepending = false; struct bcma_device *core; struct tx_status txstatus, *txs; u32 s1, s2; @@ -1041,23 +1040,20 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) txs = &txstatus; core = wlc_hw->d11core; *fatal = false; - s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); - while (!(*fatal) - && (s1 & TXS_V)) { - /* !give others some time to run! */ - if (n >= max_tx_num) { - morepending = true; - break; - } + while (n < max_tx_num) { + s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); if (s1 == 0xffffffff) { brcms_err(core, "wl%d: %s: dead chip\n", wlc_hw->unit, __func__); *fatal = true; return false; } - s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2)); + /* only process when valid */ + if (!(s1 & TXS_V)) + break; + s2 = bcma_read32(core, D11REGOFFS(frmtxstatus2)); txs->status = s1 & TXS_STATUS_MASK; txs->frameid = (s1 & TXS_FID_MASK) >> TXS_FID_SHIFT; txs->sequence = s2 & TXS_SEQ_MASK; @@ -1065,15 +1061,12 @@ brcms_b_txstatus(struct brcms_hardware *wlc_hw, bool bound, bool *fatal) txs->lasttxtime = 0; *fatal = brcms_c_dotxstatus(wlc_hw->wlc, txs); - - s1 = bcma_read32(core, D11REGOFFS(frmtxstatus)); + if (*fatal == true) + return false; n++; } - if (*fatal) - return false; - - return morepending; + return n >= max_tx_num; } static void brcms_c_tbtt(struct brcms_c_info *wlc) @@ -7518,25 +7511,16 @@ int brcms_c_get_curband(struct brcms_c_info *wlc) return wlc->band->bandunit; } -void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, bool drop) +bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc) { - int timeout = 20; int i; /* Kick DMA to send any pending AMPDU */ for (i = 0; i < ARRAY_SIZE(wlc->hw->di); i++) if (wlc->hw->di[i]) - dma_txflush(wlc->hw->di[i]); - - /* wait for queue and DMA fifos to run dry */ - while (brcms_txpktpendtot(wlc) > 0) { - brcms_msleep(wlc->wl, 1); - - if (--timeout == 0) - break; - } + dma_kick_tx(wlc->hw->di[i]); - WARN_ON_ONCE(timeout == 0); + return !brcms_txpktpendtot(wlc); } void brcms_c_set_beacon_listen_interval(struct brcms_c_info *wlc, u8 interval) diff --git a/drivers/net/wireless/brcm80211/brcmsmac/pub.h b/drivers/net/wireless/brcm80211/brcmsmac/pub.h index 4fb2834f4e64..b0f14b7b8616 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/pub.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/pub.h @@ -314,8 +314,6 @@ extern void brcms_c_associate_upd(struct brcms_c_info *wlc, bool state); extern void brcms_c_scan_start(struct brcms_c_info *wlc); extern void brcms_c_scan_stop(struct brcms_c_info *wlc); extern int brcms_c_get_curband(struct brcms_c_info *wlc); -extern void brcms_c_wait_for_tx_completion(struct brcms_c_info *wlc, - bool drop); extern int brcms_c_set_channel(struct brcms_c_info *wlc, u16 channel); extern int brcms_c_set_rate_limit(struct brcms_c_info *wlc, u16 srl, u16 lrl); extern void brcms_c_get_current_rateset(struct brcms_c_info *wlc, @@ -332,5 +330,6 @@ extern int brcms_c_set_tx_power(struct brcms_c_info *wlc, int txpwr); extern int brcms_c_get_tx_power(struct brcms_c_info *wlc); extern bool brcms_c_check_radio_disabled(struct brcms_c_info *wlc); extern void brcms_c_mute(struct brcms_c_info *wlc, bool on); +extern bool brcms_c_tx_flush_completed(struct brcms_c_info *wlc); #endif /* _BRCM_PUB_H_ */ diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c index 31534f7c0548..279796419ea0 100644 --- a/drivers/net/wireless/iwlwifi/dvm/tx.c +++ b/drivers/net/wireless/iwlwifi/dvm/tx.c @@ -1153,6 +1153,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, next_reclaimed = ssn; } + if (tid != IWL_TID_NON_QOS) { + priv->tid_data[sta_id][tid].next_reclaimed = + next_reclaimed; + IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", + next_reclaimed); + } + iwl_trans_reclaim(priv->trans, txq_id, ssn, &skbs); iwlagn_check_ratid_empty(priv, sta_id, tid); @@ -1203,28 +1210,11 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb, if (!is_agg) iwlagn_non_agg_tx_status(priv, ctx, hdr->addr1); - /* - * W/A for FW bug - the seq_ctl isn't updated when the - * queues are flushed. Fetch it from the packet itself - */ - if (!is_agg && status == TX_STATUS_FAIL_FIFO_FLUSHED) { - next_reclaimed = le16_to_cpu(hdr->seq_ctrl); - next_reclaimed = - SEQ_TO_SN(next_reclaimed + 0x10); - } - is_offchannel_skb = (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN); freed++; } - if (tid != IWL_TID_NON_QOS) { - priv->tid_data[sta_id][tid].next_reclaimed = - next_reclaimed; - IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n", - next_reclaimed); - } - WARN_ON(!is_agg && freed != 1); /* diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 9189a32b7844..973a9d90e9ea 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1563,7 +1563,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, dev_err(adapter->dev, "SCAN_RESP: too many AP returned (%d)\n", scan_rsp->number_of_sets); ret = -1; - goto done; + goto check_next_scan; } bytes_left = le16_to_cpu(scan_rsp->bss_descript_size); @@ -1634,7 +1634,8 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, if (!beacon_size || beacon_size > bytes_left) { bss_info += bytes_left; bytes_left = 0; - return -1; + ret = -1; + goto check_next_scan; } /* Initialize the current working beacon pointer for this BSS @@ -1690,7 +1691,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, dev_err(priv->adapter->dev, "%s: bytes left < IE length\n", __func__); - goto done; + goto check_next_scan; } if (element_id == WLAN_EID_DS_PARAMS) { channel = *(current_ptr + sizeof(struct ieee_types_header)); @@ -1753,6 +1754,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, } } +check_next_scan: spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); if (list_empty(&adapter->scan_pending_q)) { spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); @@ -1813,7 +1815,6 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, } } -done: return ret; } diff --git a/drivers/net/wireless/rtlwifi/base.c b/drivers/net/wireless/rtlwifi/base.c index 4494d130b37c..0f8b05185eda 100644 --- a/drivers/net/wireless/rtlwifi/base.c +++ b/drivers/net/wireless/rtlwifi/base.c @@ -1004,7 +1004,8 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) is_tx ? "Tx" : "Rx"); if (is_tx) { - rtl_lps_leave(hw); + schedule_work(&rtlpriv-> + works.lps_leave_work); ppsc->last_delaylps_stamp_jiffies = jiffies; } @@ -1014,7 +1015,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) } } else if (ETH_P_ARP == ether_type) { if (is_tx) { - rtl_lps_leave(hw); + schedule_work(&rtlpriv->works.lps_leave_work); ppsc->last_delaylps_stamp_jiffies = jiffies; } @@ -1024,7 +1025,7 @@ u8 rtl_is_special_data(struct ieee80211_hw *hw, struct sk_buff *skb, u8 is_tx) "802.1X %s EAPOL pkt!!\n", is_tx ? "Tx" : "Rx"); if (is_tx) { - rtl_lps_leave(hw); + schedule_work(&rtlpriv->works.lps_leave_work); ppsc->last_delaylps_stamp_jiffies = jiffies; } diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index f2ecdeb3a90d..1535efda3d52 100644 --- a/drivers/net/wireless/rtlwifi/usb.c +++ b/drivers/net/wireless/rtlwifi/usb.c @@ -542,8 +542,8 @@ static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb) WARN_ON(skb_queue_empty(&rx_queue)); while (!skb_queue_empty(&rx_queue)) { _skb = skb_dequeue(&rx_queue); - _rtl_usb_rx_process_agg(hw, skb); - ieee80211_rx_irqsafe(hw, skb); + _rtl_usb_rx_process_agg(hw, _skb); + ieee80211_rx_irqsafe(hw, _skb); } } diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 94b79c3338c4..9d7f1723dd8f 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -151,6 +151,9 @@ void xen_netbk_queue_tx_skb(struct xenvif *vif, struct sk_buff *skb); /* Notify xenvif that ring now has space to send an skb to the frontend */ void xenvif_notify_tx_completion(struct xenvif *vif); +/* Prevent the device from generating any further traffic. */ +void xenvif_carrier_off(struct xenvif *vif); + /* Returns number of ring slots required to send an skb to the frontend */ unsigned int xen_netbk_count_skb_slots(struct xenvif *vif, struct sk_buff *skb); diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index b7d41f8c338a..b8c5193bd420 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -343,17 +343,22 @@ err: return err; } -void xenvif_disconnect(struct xenvif *vif) +void xenvif_carrier_off(struct xenvif *vif) { struct net_device *dev = vif->dev; - if (netif_carrier_ok(dev)) { - rtnl_lock(); - netif_carrier_off(dev); /* discard queued packets */ - if (netif_running(dev)) - xenvif_down(vif); - rtnl_unlock(); - xenvif_put(vif); - } + + rtnl_lock(); + netif_carrier_off(dev); /* discard queued packets */ + if (netif_running(dev)) + xenvif_down(vif); + rtnl_unlock(); + xenvif_put(vif); +} + +void xenvif_disconnect(struct xenvif *vif) +{ + if (netif_carrier_ok(vif->dev)) + xenvif_carrier_off(vif); atomic_dec(&vif->refcnt); wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0); diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index f2d6b78d901d..2b9520c46e97 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -147,7 +147,8 @@ void xen_netbk_remove_xenvif(struct xenvif *vif) atomic_dec(&netbk->netfront_count); } -static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx); +static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx, + u8 status); static void make_tx_response(struct xenvif *vif, struct xen_netif_tx_request *txp, s8 st); @@ -879,7 +880,7 @@ static void netbk_tx_err(struct xenvif *vif, do { make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR); - if (cons >= end) + if (cons == end) break; txp = RING_GET_REQUEST(&vif->tx, cons++); } while (1); @@ -888,6 +889,13 @@ static void netbk_tx_err(struct xenvif *vif, xenvif_put(vif); } +static void netbk_fatal_tx_err(struct xenvif *vif) +{ + netdev_err(vif->dev, "fatal error; disabling device\n"); + xenvif_carrier_off(vif); + xenvif_put(vif); +} + static int netbk_count_requests(struct xenvif *vif, struct xen_netif_tx_request *first, struct xen_netif_tx_request *txp, @@ -901,19 +909,22 @@ static int netbk_count_requests(struct xenvif *vif, do { if (frags >= work_to_do) { - netdev_dbg(vif->dev, "Need more frags\n"); + netdev_err(vif->dev, "Need more frags\n"); + netbk_fatal_tx_err(vif); return -frags; } if (unlikely(frags >= MAX_SKB_FRAGS)) { - netdev_dbg(vif->dev, "Too many frags\n"); + netdev_err(vif->dev, "Too many frags\n"); + netbk_fatal_tx_err(vif); return -frags; } memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags), sizeof(*txp)); if (txp->size > first->size) { - netdev_dbg(vif->dev, "Frags galore\n"); + netdev_err(vif->dev, "Frag is bigger than frame.\n"); + netbk_fatal_tx_err(vif); return -frags; } @@ -921,8 +932,9 @@ static int netbk_count_requests(struct xenvif *vif, frags++; if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) { - netdev_dbg(vif->dev, "txp->offset: %x, size: %u\n", + netdev_err(vif->dev, "txp->offset: %x, size: %u\n", txp->offset, txp->size); + netbk_fatal_tx_err(vif); return -frags; } } while ((txp++)->flags & XEN_NETTXF_more_data); @@ -966,7 +978,7 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk, pending_idx = netbk->pending_ring[index]; page = xen_netbk_alloc_page(netbk, skb, pending_idx); if (!page) - return NULL; + goto err; gop->source.u.ref = txp->gref; gop->source.domid = vif->domid; @@ -988,6 +1000,17 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk, } return gop; +err: + /* Unwind, freeing all pages and sending error responses. */ + while (i-- > start) { + xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]), + XEN_NETIF_RSP_ERROR); + } + /* The head too, if necessary. */ + if (start) + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_ERROR); + + return NULL; } static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, @@ -996,30 +1019,20 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, { struct gnttab_copy *gop = *gopp; u16 pending_idx = *((u16 *)skb->data); - struct pending_tx_info *pending_tx_info = netbk->pending_tx_info; - struct xenvif *vif = pending_tx_info[pending_idx].vif; - struct xen_netif_tx_request *txp; struct skb_shared_info *shinfo = skb_shinfo(skb); int nr_frags = shinfo->nr_frags; int i, err, start; /* Check status of header. */ err = gop->status; - if (unlikely(err)) { - pending_ring_idx_t index; - index = pending_index(netbk->pending_prod++); - txp = &pending_tx_info[pending_idx].req; - make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR); - netbk->pending_ring[index] = pending_idx; - xenvif_put(vif); - } + if (unlikely(err)) + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_ERROR); /* Skip first skb fragment if it is on same page as header fragment. */ start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx); for (i = start; i < nr_frags; i++) { int j, newerr; - pending_ring_idx_t index; pending_idx = frag_get_pending_idx(&shinfo->frags[i]); @@ -1028,16 +1041,12 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, if (likely(!newerr)) { /* Had a previous error? Invalidate this fragment. */ if (unlikely(err)) - xen_netbk_idx_release(netbk, pending_idx); + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY); continue; } /* Error on this fragment: respond to client with an error. */ - txp = &netbk->pending_tx_info[pending_idx].req; - make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR); - index = pending_index(netbk->pending_prod++); - netbk->pending_ring[index] = pending_idx; - xenvif_put(vif); + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_ERROR); /* Not the first error? Preceding frags already invalidated. */ if (err) @@ -1045,10 +1054,10 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, /* First error: invalidate header and preceding fragments. */ pending_idx = *((u16 *)skb->data); - xen_netbk_idx_release(netbk, pending_idx); + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY); for (j = start; j < i; j++) { pending_idx = frag_get_pending_idx(&shinfo->frags[j]); - xen_netbk_idx_release(netbk, pending_idx); + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY); } /* Remember the error: invalidate all subsequent fragments. */ @@ -1082,7 +1091,7 @@ static void xen_netbk_fill_frags(struct xen_netbk *netbk, struct sk_buff *skb) /* Take an extra reference to offset xen_netbk_idx_release */ get_page(netbk->mmap_pages[pending_idx]); - xen_netbk_idx_release(netbk, pending_idx); + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY); } } @@ -1095,7 +1104,8 @@ static int xen_netbk_get_extras(struct xenvif *vif, do { if (unlikely(work_to_do-- <= 0)) { - netdev_dbg(vif->dev, "Missing extra info\n"); + netdev_err(vif->dev, "Missing extra info\n"); + netbk_fatal_tx_err(vif); return -EBADR; } @@ -1104,8 +1114,9 @@ static int xen_netbk_get_extras(struct xenvif *vif, if (unlikely(!extra.type || extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) { vif->tx.req_cons = ++cons; - netdev_dbg(vif->dev, + netdev_err(vif->dev, "Invalid extra type: %d\n", extra.type); + netbk_fatal_tx_err(vif); return -EINVAL; } @@ -1121,13 +1132,15 @@ static int netbk_set_skb_gso(struct xenvif *vif, struct xen_netif_extra_info *gso) { if (!gso->u.gso.size) { - netdev_dbg(vif->dev, "GSO size must not be zero.\n"); + netdev_err(vif->dev, "GSO size must not be zero.\n"); + netbk_fatal_tx_err(vif); return -EINVAL; } /* Currently only TCPv4 S.O. is supported. */ if (gso->u.gso.type != XEN_NETIF_GSO_TYPE_TCPV4) { - netdev_dbg(vif->dev, "Bad GSO type %d.\n", gso->u.gso.type); + netdev_err(vif->dev, "Bad GSO type %d.\n", gso->u.gso.type); + netbk_fatal_tx_err(vif); return -EINVAL; } @@ -1264,9 +1277,25 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) /* Get a netif from the list with work to do. */ vif = poll_net_schedule_list(netbk); + /* This can sometimes happen because the test of + * list_empty(net_schedule_list) at the top of the + * loop is unlocked. Just go back and have another + * look. + */ if (!vif) continue; + if (vif->tx.sring->req_prod - vif->tx.req_cons > + XEN_NETIF_TX_RING_SIZE) { + netdev_err(vif->dev, + "Impossible number of requests. " + "req_prod %d, req_cons %d, size %ld\n", + vif->tx.sring->req_prod, vif->tx.req_cons, + XEN_NETIF_TX_RING_SIZE); + netbk_fatal_tx_err(vif); + continue; + } + RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, work_to_do); if (!work_to_do) { xenvif_put(vif); @@ -1294,17 +1323,14 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) work_to_do = xen_netbk_get_extras(vif, extras, work_to_do); idx = vif->tx.req_cons; - if (unlikely(work_to_do < 0)) { - netbk_tx_err(vif, &txreq, idx); + if (unlikely(work_to_do < 0)) continue; - } } ret = netbk_count_requests(vif, &txreq, txfrags, work_to_do); - if (unlikely(ret < 0)) { - netbk_tx_err(vif, &txreq, idx - ret); + if (unlikely(ret < 0)) continue; - } + idx += ret; if (unlikely(txreq.size < ETH_HLEN)) { @@ -1316,11 +1342,11 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) /* No crossing a page as the payload mustn't fragment. */ if (unlikely((txreq.offset + txreq.size) > PAGE_SIZE)) { - netdev_dbg(vif->dev, + netdev_err(vif->dev, "txreq.offset: %x, size: %u, end: %lu\n", txreq.offset, txreq.size, (txreq.offset&~PAGE_MASK) + txreq.size); - netbk_tx_err(vif, &txreq, idx); + netbk_fatal_tx_err(vif); continue; } @@ -1348,8 +1374,8 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) gso = &extras[XEN_NETIF_EXTRA_TYPE_GSO - 1]; if (netbk_set_skb_gso(vif, skb, gso)) { + /* Failure in netbk_set_skb_gso is fatal. */ kfree_skb(skb); - netbk_tx_err(vif, &txreq, idx); continue; } } @@ -1448,7 +1474,7 @@ static void xen_netbk_tx_submit(struct xen_netbk *netbk) txp->size -= data_len; } else { /* Schedule a response immediately. */ - xen_netbk_idx_release(netbk, pending_idx); + xen_netbk_idx_release(netbk, pending_idx, XEN_NETIF_RSP_OKAY); } if (txp->flags & XEN_NETTXF_csum_blank) @@ -1500,7 +1526,8 @@ static void xen_netbk_tx_action(struct xen_netbk *netbk) xen_netbk_tx_submit(netbk); } -static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx) +static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx, + u8 status) { struct xenvif *vif; struct pending_tx_info *pending_tx_info; @@ -1514,7 +1541,7 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx) vif = pending_tx_info->vif; - make_tx_response(vif, &pending_tx_info->req, XEN_NETIF_RSP_OKAY); + make_tx_response(vif, &pending_tx_info->req, status); index = pending_index(netbk->pending_prod++); netbk->pending_ring[index] = pending_idx; diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index efaecefe3f8c..a5f3c8ca480e 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -184,8 +184,8 @@ config PINCTRL_SAMSUNG select PINMUX select PINCONF -config PINCTRL_EXYNOS4 - bool "Pinctrl driver data for Exynos4 SoC" +config PINCTRL_EXYNOS + bool "Pinctrl driver data for Samsung EXYNOS SoCs" depends on OF && GPIOLIB select PINCTRL_SAMSUNG diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index fc4606f27dc7..6e87e52eab5d 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -36,7 +36,7 @@ obj-$(CONFIG_PINCTRL_TEGRA30) += pinctrl-tegra30.o obj-$(CONFIG_PINCTRL_U300) += pinctrl-u300.o obj-$(CONFIG_PINCTRL_COH901) += pinctrl-coh901.o obj-$(CONFIG_PINCTRL_SAMSUNG) += pinctrl-samsung.o -obj-$(CONFIG_PINCTRL_EXYNOS4) += pinctrl-exynos.o +obj-$(CONFIG_PINCTRL_EXYNOS) += pinctrl-exynos.o obj-$(CONFIG_PINCTRL_EXYNOS5440) += pinctrl-exynos5440.o obj-$(CONFIG_PINCTRL_XWAY) += pinctrl-xway.o obj-$(CONFIG_PINCTRL_LANTIQ) += pinctrl-lantiq.o diff --git a/drivers/pinctrl/pinctrl-sirf.c b/drivers/pinctrl/pinctrl-sirf.c index 498b2ba905de..d02498b30c6e 100644 --- a/drivers/pinctrl/pinctrl-sirf.c +++ b/drivers/pinctrl/pinctrl-sirf.c @@ -1246,6 +1246,22 @@ static void __iomem *sirfsoc_rsc_of_iomap(void) return of_iomap(np, 0); } +static int sirfsoc_gpio_of_xlate(struct gpio_chip *gc, + const struct of_phandle_args *gpiospec, + u32 *flags) +{ + if (gpiospec->args[0] > SIRFSOC_GPIO_NO_OF_BANKS * SIRFSOC_GPIO_BANK_SIZE) + return -EINVAL; + + if (gc != &sgpio_bank[gpiospec->args[0] / SIRFSOC_GPIO_BANK_SIZE].chip.gc) + return -EINVAL; + + if (flags) + *flags = gpiospec->args[1]; + + return gpiospec->args[0] % SIRFSOC_GPIO_BANK_SIZE; +} + static int sirfsoc_pinmux_probe(struct platform_device *pdev) { int ret; @@ -1736,6 +1752,8 @@ static int sirfsoc_gpio_probe(struct device_node *np) bank->chip.gc.ngpio = SIRFSOC_GPIO_BANK_SIZE; bank->chip.gc.label = kstrdup(np->full_name, GFP_KERNEL); bank->chip.gc.of_node = np; + bank->chip.gc.of_xlate = sirfsoc_gpio_of_xlate; + bank->chip.gc.of_gpio_n_cells = 2; bank->chip.regs = regs; bank->id = i; bank->is_marco = is_marco; diff --git a/drivers/regulator/max77686.c b/drivers/regulator/max77686.c index b85040caaea3..cca18a3c0294 100644 --- a/drivers/regulator/max77686.c +++ b/drivers/regulator/max77686.c @@ -379,9 +379,10 @@ static struct regulator_desc regulators[] = { }; #ifdef CONFIG_OF -static int max77686_pmic_dt_parse_pdata(struct max77686_dev *iodev, +static int max77686_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_platform_data *pdata) { + struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct device_node *pmic_np, *regulators_np; struct max77686_regulator_data *rdata; struct of_regulator_match rmatch; @@ -390,15 +391,15 @@ static int max77686_pmic_dt_parse_pdata(struct max77686_dev *iodev, pmic_np = iodev->dev->of_node; regulators_np = of_find_node_by_name(pmic_np, "voltage-regulators"); if (!regulators_np) { - dev_err(iodev->dev, "could not find regulators sub-node\n"); + dev_err(&pdev->dev, "could not find regulators sub-node\n"); return -EINVAL; } pdata->num_regulators = ARRAY_SIZE(regulators); - rdata = devm_kzalloc(iodev->dev, sizeof(*rdata) * + rdata = devm_kzalloc(&pdev->dev, sizeof(*rdata) * pdata->num_regulators, GFP_KERNEL); if (!rdata) { - dev_err(iodev->dev, + dev_err(&pdev->dev, "could not allocate memory for regulator data\n"); return -ENOMEM; } @@ -407,7 +408,7 @@ static int max77686_pmic_dt_parse_pdata(struct max77686_dev *iodev, rmatch.name = regulators[i].name; rmatch.init_data = NULL; rmatch.of_node = NULL; - of_regulator_match(iodev->dev, regulators_np, &rmatch, 1); + of_regulator_match(&pdev->dev, regulators_np, &rmatch, 1); rdata[i].initdata = rmatch.init_data; rdata[i].of_node = rmatch.of_node; } @@ -417,7 +418,7 @@ static int max77686_pmic_dt_parse_pdata(struct max77686_dev *iodev, return 0; } #else -static int max77686_pmic_dt_parse_pdata(struct max77686_dev *iodev, +static int max77686_pmic_dt_parse_pdata(struct platform_device *pdev, struct max77686_platform_data *pdata) { return 0; @@ -440,7 +441,7 @@ static int max77686_pmic_probe(struct platform_device *pdev) } if (iodev->dev->of_node) { - ret = max77686_pmic_dt_parse_pdata(iodev, pdata); + ret = max77686_pmic_dt_parse_pdata(pdev, pdata); if (ret) return ret; } diff --git a/drivers/regulator/max8907-regulator.c b/drivers/regulator/max8907-regulator.c index d1a77512d83e..d40cf7fdb546 100644 --- a/drivers/regulator/max8907-regulator.c +++ b/drivers/regulator/max8907-regulator.c @@ -237,8 +237,7 @@ static int max8907_regulator_parse_dt(struct platform_device *pdev) return -EINVAL; } - ret = of_regulator_match(pdev->dev.parent, regulators, - max8907_matches, + ret = of_regulator_match(&pdev->dev, regulators, max8907_matches, ARRAY_SIZE(max8907_matches)); if (ret < 0) { dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index 02be7fcae32f..836908ce505e 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -934,7 +934,7 @@ static struct regulator_desc regulators[] = { }; #ifdef CONFIG_OF -static int max8997_pmic_dt_parse_dvs_gpio(struct max8997_dev *iodev, +static int max8997_pmic_dt_parse_dvs_gpio(struct platform_device *pdev, struct max8997_platform_data *pdata, struct device_node *pmic_np) { @@ -944,7 +944,7 @@ static int max8997_pmic_dt_parse_dvs_gpio(struct max8997_dev *iodev, gpio = of_get_named_gpio(pmic_np, "max8997,pmic-buck125-dvs-gpios", i); if (!gpio_is_valid(gpio)) { - dev_err(iodev->dev, "invalid gpio[%d]: %d\n", i, gpio); + dev_err(&pdev->dev, "invalid gpio[%d]: %d\n", i, gpio); return -EINVAL; } pdata->buck125_gpios[i] = gpio; @@ -952,22 +952,23 @@ static int max8997_pmic_dt_parse_dvs_gpio(struct max8997_dev *iodev, return 0; } -static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, +static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev, struct max8997_platform_data *pdata) { + struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct device_node *pmic_np, *regulators_np, *reg_np; struct max8997_regulator_data *rdata; unsigned int i, dvs_voltage_nr = 1, ret; pmic_np = iodev->dev->of_node; if (!pmic_np) { - dev_err(iodev->dev, "could not find pmic sub-node\n"); + dev_err(&pdev->dev, "could not find pmic sub-node\n"); return -ENODEV; } regulators_np = of_find_node_by_name(pmic_np, "regulators"); if (!regulators_np) { - dev_err(iodev->dev, "could not find regulators sub-node\n"); + dev_err(&pdev->dev, "could not find regulators sub-node\n"); return -EINVAL; } @@ -976,11 +977,10 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, for_each_child_of_node(regulators_np, reg_np) pdata->num_regulators++; - rdata = devm_kzalloc(iodev->dev, sizeof(*rdata) * + rdata = devm_kzalloc(&pdev->dev, sizeof(*rdata) * pdata->num_regulators, GFP_KERNEL); if (!rdata) { - dev_err(iodev->dev, "could not allocate memory for " - "regulator data\n"); + dev_err(&pdev->dev, "could not allocate memory for regulator data\n"); return -ENOMEM; } @@ -991,14 +991,14 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, break; if (i == ARRAY_SIZE(regulators)) { - dev_warn(iodev->dev, "don't know how to configure " - "regulator %s\n", reg_np->name); + dev_warn(&pdev->dev, "don't know how to configure regulator %s\n", + reg_np->name); continue; } rdata->id = i; - rdata->initdata = of_get_regulator_init_data( - iodev->dev, reg_np); + rdata->initdata = of_get_regulator_init_data(&pdev->dev, + reg_np); rdata->reg_node = reg_np; rdata++; } @@ -1014,7 +1014,7 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, if (pdata->buck1_gpiodvs || pdata->buck2_gpiodvs || pdata->buck5_gpiodvs) { - ret = max8997_pmic_dt_parse_dvs_gpio(iodev, pdata, pmic_np); + ret = max8997_pmic_dt_parse_dvs_gpio(pdev, pdata, pmic_np); if (ret) return -EINVAL; @@ -1025,8 +1025,7 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, } else { if (pdata->buck125_default_idx >= 8) { pdata->buck125_default_idx = 0; - dev_info(iodev->dev, "invalid value for " - "default dvs index, using 0 instead\n"); + dev_info(&pdev->dev, "invalid value for default dvs index, using 0 instead\n"); } } @@ -1040,28 +1039,28 @@ static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, if (of_property_read_u32_array(pmic_np, "max8997,pmic-buck1-dvs-voltage", pdata->buck1_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck1 voltages not specified\n"); + dev_err(&pdev->dev, "buck1 voltages not specified\n"); return -EINVAL; } if (of_property_read_u32_array(pmic_np, "max8997,pmic-buck2-dvs-voltage", pdata->buck2_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck2 voltages not specified\n"); + dev_err(&pdev->dev, "buck2 voltages not specified\n"); return -EINVAL; } if (of_property_read_u32_array(pmic_np, "max8997,pmic-buck5-dvs-voltage", pdata->buck5_voltage, dvs_voltage_nr)) { - dev_err(iodev->dev, "buck5 voltages not specified\n"); + dev_err(&pdev->dev, "buck5 voltages not specified\n"); return -EINVAL; } return 0; } #else -static int max8997_pmic_dt_parse_pdata(struct max8997_dev *iodev, +static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev, struct max8997_platform_data *pdata) { return 0; @@ -1085,7 +1084,7 @@ static int max8997_pmic_probe(struct platform_device *pdev) } if (iodev->dev->of_node) { - ret = max8997_pmic_dt_parse_pdata(iodev, pdata); + ret = max8997_pmic_dt_parse_pdata(pdev, pdata); if (ret) return ret; } diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 1f0df4046b86..0a8dd1cbee6f 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -65,7 +65,7 @@ static const struct voltage_map_desc ldo9_voltage_map_desc = { .min = 2800000, .step = 100000, .max = 3100000, }; static const struct voltage_map_desc ldo10_voltage_map_desc = { - .min = 95000, .step = 50000, .max = 1300000, + .min = 950000, .step = 50000, .max = 1300000, }; static const struct voltage_map_desc ldo1213_voltage_map_desc = { .min = 800000, .step = 100000, .max = 3300000, diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c index 6f684916fd79..66ca769287ab 100644 --- a/drivers/regulator/of_regulator.c +++ b/drivers/regulator/of_regulator.c @@ -120,6 +120,12 @@ int of_regulator_match(struct device *dev, struct device_node *node, if (!dev || !node) return -EINVAL; + for (i = 0; i < num_matches; i++) { + struct of_regulator_match *match = &matches[i]; + match->init_data = NULL; + match->of_node = NULL; + } + for_each_child_of_node(node, child) { name = of_get_property(child, "regulator-compatible", NULL); diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index bd062a2ffbe2..cd9ea2ea1826 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -174,9 +174,9 @@ static struct regulator_ops s2mps11_buck_ops = { .min_uV = S2MPS11_BUCK_MIN2, \ .uV_step = S2MPS11_BUCK_STEP2, \ .n_voltages = S2MPS11_BUCK_N_VOLTAGES, \ - .vsel_reg = S2MPS11_REG_B9CTRL2, \ + .vsel_reg = S2MPS11_REG_B10CTRL2, \ .vsel_mask = S2MPS11_BUCK_VSEL_MASK, \ - .enable_reg = S2MPS11_REG_B9CTRL1, \ + .enable_reg = S2MPS11_REG_B10CTRL1, \ .enable_mask = S2MPS11_ENABLE_MASK \ } diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 73dce7664126..df395187c063 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -305,8 +305,8 @@ static struct tps65217_board *tps65217_parse_dt(struct platform_device *pdev) if (!regs) return NULL; - count = of_regulator_match(pdev->dev.parent, regs, - reg_matches, TPS65217_NUM_REGULATOR); + count = of_regulator_match(&pdev->dev, regs, reg_matches, + TPS65217_NUM_REGULATOR); of_node_put(regs); if ((count < 0) || (count > TPS65217_NUM_REGULATOR)) return NULL; diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index 59c3770fa77d..b0e4c0bc85c3 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -998,7 +998,7 @@ static struct tps65910_board *tps65910_parse_dt_reg_data( return NULL; } - ret = of_regulator_match(pdev->dev.parent, regulators, matches, count); + ret = of_regulator_match(&pdev->dev, regulators, matches, count); if (ret < 0) { dev_err(&pdev->dev, "Error parsing regulator init data: %d\n", ret); diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index afb7cfa85ccc..c016ad81767a 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -506,6 +506,7 @@ isl1208_rtc_interrupt(int irq, void *data) { unsigned long timeout = jiffies + msecs_to_jiffies(1000); struct i2c_client *client = data; + struct rtc_device *rtc = i2c_get_clientdata(client); int handled = 0, sr, err; /* @@ -528,6 +529,8 @@ isl1208_rtc_interrupt(int irq, void *data) if (sr & ISL1208_REG_SR_ALM) { dev_dbg(&client->dev, "alarm!\n"); + rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF); + /* Clear the alarm */ sr &= ~ISL1208_REG_SR_ALM; sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr); diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 08378e3cc21c..10c1a3454e48 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -44,6 +44,7 @@ #define RTC_YMR 0x34 /* Year match register */ #define RTC_YLR 0x38 /* Year data load register */ +#define RTC_CR_EN (1 << 0) /* counter enable bit */ #define RTC_CR_CWEN (1 << 26) /* Clockwatch enable bit */ #define RTC_TCR_EN (1 << 1) /* Periodic timer enable bit */ @@ -320,7 +321,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) struct pl031_local *ldata; struct pl031_vendor_data *vendor = id->data; struct rtc_class_ops *ops = &vendor->ops; - unsigned long time; + unsigned long time, data; ret = amba_request_regions(adev, NULL); if (ret) @@ -345,10 +346,11 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) dev_dbg(&adev->dev, "designer ID = 0x%02x\n", amba_manf(adev)); dev_dbg(&adev->dev, "revision = 0x%01x\n", amba_rev(adev)); + data = readl(ldata->base + RTC_CR); /* Enable the clockwatch on ST Variants */ if (vendor->clockwatch) - writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN, - ldata->base + RTC_CR); + data |= RTC_CR_CWEN; + writel(data | RTC_CR_EN, ldata->base + RTC_CR); /* * On ST PL031 variants, the RTC reset value does not provide correct diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c index 00c930f4b6f3..2730533e2d2d 100644 --- a/drivers/rtc/rtc-vt8500.c +++ b/drivers/rtc/rtc-vt8500.c @@ -137,7 +137,7 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm) return -EINVAL; } - writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S) + writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S) | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S) | (bin2bcd(tm->tm_mday)) | ((tm->tm_year >= 200) << DATE_CENTURY_S), diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c index 97ac0a38e3d0..eb2753008ef0 100644 --- a/drivers/ssb/driver_gpio.c +++ b/drivers/ssb/driver_gpio.c @@ -174,3 +174,15 @@ int ssb_gpio_init(struct ssb_bus *bus) return -1; } + +int ssb_gpio_unregister(struct ssb_bus *bus) +{ + if (ssb_chipco_available(&bus->chipco) || + ssb_extif_available(&bus->extif)) { + return gpiochip_remove(&bus->gpio); + } else { + SSB_WARN_ON(1); + } + + return -1; +} diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 772ad9b5c304..24dc331b4701 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -443,6 +443,15 @@ static void ssb_devices_unregister(struct ssb_bus *bus) void ssb_bus_unregister(struct ssb_bus *bus) { + int err; + + err = ssb_gpio_unregister(bus); + if (err == -EBUSY) + ssb_dprintk(KERN_ERR PFX "Some GPIOs are still in use.\n"); + else if (err) + ssb_dprintk(KERN_ERR PFX + "Can not unregister GPIO driver: %i\n", err); + ssb_buses_lock(); ssb_devices_unregister(bus); list_del(&bus->list); diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h index 6c10b66c796c..da38305a2d22 100644 --- a/drivers/ssb/ssb_private.h +++ b/drivers/ssb/ssb_private.h @@ -252,11 +252,16 @@ static inline void ssb_extif_init(struct ssb_extif *extif) #ifdef CONFIG_SSB_DRIVER_GPIO extern int ssb_gpio_init(struct ssb_bus *bus); +extern int ssb_gpio_unregister(struct ssb_bus *bus); #else /* CONFIG_SSB_DRIVER_GPIO */ static inline int ssb_gpio_init(struct ssb_bus *bus) { return -ENOTSUPP; } +static inline int ssb_gpio_unregister(struct ssb_bus *bus) +{ + return 0; +} #endif /* CONFIG_SSB_DRIVER_GPIO */ #endif /* LINUX_SSB_PRIVATE_H_ */ diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index e2695101bb99..f2aa7543d20a 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -941,6 +941,8 @@ int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth) int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors) { + int block_size = dev->dev_attrib.block_size; + if (dev->export_count) { pr_err("dev[%p]: Unable to change SE Device" " fabric_max_sectors while export_count is %d\n", @@ -978,8 +980,12 @@ int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors) /* * Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks() */ + if (!block_size) { + block_size = 512; + pr_warn("Defaulting to 512 for zero block_size\n"); + } fabric_max_sectors = se_dev_align_max_sectors(fabric_max_sectors, - dev->dev_attrib.block_size); + block_size); dev->dev_attrib.fabric_max_sectors = fabric_max_sectors; pr_debug("dev[%p]: SE Device max_sectors changed to %u\n", diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index 810263dfa4a1..c57bbbc7a7d1 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -754,6 +754,11 @@ static int target_fabric_port_link( return -EFAULT; } + if (!(dev->dev_flags & DF_CONFIGURED)) { + pr_err("se_device not configured yet, cannot port link\n"); + return -ENODEV; + } + tpg_ci = &lun_ci->ci_parent->ci_group->cg_item; se_tpg = container_of(to_config_group(tpg_ci), struct se_portal_group, tpg_group); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 26a6d183ccb1..a664c664a31a 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -58,11 +58,10 @@ sbc_emulate_readcapacity(struct se_cmd *cmd) buf[7] = dev->dev_attrib.block_size & 0xff; rbuf = transport_kmap_data_sg(cmd); - if (!rbuf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - - memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; @@ -97,11 +96,10 @@ sbc_emulate_readcapacity_16(struct se_cmd *cmd) buf[14] = 0x80; rbuf = transport_kmap_data_sg(cmd); - if (!rbuf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - - memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 84f9e96e8ace..2d88f087d961 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -641,11 +641,10 @@ spc_emulate_inquiry(struct se_cmd *cmd) out: rbuf = transport_kmap_data_sg(cmd); - if (!rbuf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - - memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } if (!ret) target_complete_cmd(cmd, GOOD); @@ -851,7 +850,7 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; char *cdb = cmd->t_task_cdb; - unsigned char *buf, *map_buf; + unsigned char buf[SE_MODE_PAGE_BUF], *rbuf; int type = dev->transport->get_device_type(dev); int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10); bool dbd = !!(cdb[1] & 0x08); @@ -863,26 +862,8 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) int ret; int i; - map_buf = transport_kmap_data_sg(cmd); - if (!map_buf) - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - /* - * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we - * know we actually allocated a full page. Otherwise, if the - * data buffer is too small, allocate a temporary buffer so we - * don't have to worry about overruns in all our INQUIRY - * emulation handling. - */ - if (cmd->data_length < SE_MODE_PAGE_BUF && - (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) { - buf = kzalloc(SE_MODE_PAGE_BUF, GFP_KERNEL); - if (!buf) { - transport_kunmap_data_sg(cmd); - return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - } - } else { - buf = map_buf; - } + memset(buf, 0, SE_MODE_PAGE_BUF); + /* * Skip over MODE DATA LENGTH + MEDIUM TYPE fields to byte 3 for * MODE_SENSE_10 and byte 2 for MODE_SENSE (6). @@ -934,8 +915,6 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) if (page == 0x3f) { if (subpage != 0x00 && subpage != 0xff) { pr_warn("MODE_SENSE: Invalid subpage code: 0x%02x\n", subpage); - kfree(buf); - transport_kunmap_data_sg(cmd); return TCM_INVALID_CDB_FIELD; } @@ -972,7 +951,6 @@ static sense_reason_t spc_emulate_modesense(struct se_cmd *cmd) pr_err("MODE SENSE: unimplemented page/subpage: 0x%02x/0x%02x\n", page, subpage); - transport_kunmap_data_sg(cmd); return TCM_UNKNOWN_MODE_PAGE; set_length: @@ -981,12 +959,12 @@ set_length: else buf[0] = length - 1; - if (buf != map_buf) { - memcpy(map_buf, buf, cmd->data_length); - kfree(buf); + rbuf = transport_kmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, SE_MODE_PAGE_BUF, cmd->data_length)); + transport_kunmap_data_sg(cmd); } - transport_kunmap_data_sg(cmd); target_complete_cmd(cmd, GOOD); return 0; } diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 4225d5e72131..8e64adf8e4d5 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -39,6 +39,7 @@ #include <asm/unaligned.h> #include <linux/platform_device.h> #include <linux/workqueue.h> +#include <linux/pm_runtime.h> #include <linux/usb.h> #include <linux/usb/hcd.h> @@ -1025,6 +1026,49 @@ static int register_root_hub(struct usb_hcd *hcd) return retval; } +/* + * usb_hcd_start_port_resume - a root-hub port is sending a resume signal + * @bus: the bus which the root hub belongs to + * @portnum: the port which is being resumed + * + * HCDs should call this function when they know that a resume signal is + * being sent to a root-hub port. The root hub will be prevented from + * going into autosuspend until usb_hcd_end_port_resume() is called. + * + * The bus's private lock must be held by the caller. + */ +void usb_hcd_start_port_resume(struct usb_bus *bus, int portnum) +{ + unsigned bit = 1 << portnum; + + if (!(bus->resuming_ports & bit)) { + bus->resuming_ports |= bit; + pm_runtime_get_noresume(&bus->root_hub->dev); + } +} +EXPORT_SYMBOL_GPL(usb_hcd_start_port_resume); + +/* + * usb_hcd_end_port_resume - a root-hub port has stopped sending a resume signal + * @bus: the bus which the root hub belongs to + * @portnum: the port which is being resumed + * + * HCDs should call this function when they know that a resume signal has + * stopped being sent to a root-hub port. The root hub will be allowed to + * autosuspend again. + * + * The bus's private lock must be held by the caller. + */ +void usb_hcd_end_port_resume(struct usb_bus *bus, int portnum) +{ + unsigned bit = 1 << portnum; + + if (bus->resuming_ports & bit) { + bus->resuming_ports &= ~bit; + pm_runtime_put_noidle(&bus->root_hub->dev); + } +} +EXPORT_SYMBOL_GPL(usb_hcd_end_port_resume); /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 957ed2c41482..cbf7168e3ce7 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2838,6 +2838,23 @@ void usb_enable_ltm(struct usb_device *udev) EXPORT_SYMBOL_GPL(usb_enable_ltm); #ifdef CONFIG_USB_SUSPEND +/* + * usb_disable_function_remotewakeup - disable usb3.0 + * device's function remote wakeup + * @udev: target device + * + * Assume there's only one function on the USB 3.0 + * device and disable remote wake for the first + * interface. FIXME if the interface association + * descriptor shows there's more than one function. + */ +static int usb_disable_function_remotewakeup(struct usb_device *udev) +{ + return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, USB_RECIP_INTERFACE, + USB_INTRF_FUNC_SUSPEND, 0, NULL, 0, + USB_CTRL_SET_TIMEOUT); +} /* * usb_port_suspend - suspend a usb device's upstream port @@ -2955,12 +2972,19 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg) dev_dbg(hub->intfdev, "can't suspend port %d, status %d\n", port1, status); /* paranoia: "should not happen" */ - if (udev->do_remote_wakeup) - (void) usb_control_msg(udev, usb_sndctrlpipe(udev, 0), - USB_REQ_CLEAR_FEATURE, USB_RECIP_DEVICE, - USB_DEVICE_REMOTE_WAKEUP, 0, - NULL, 0, - USB_CTRL_SET_TIMEOUT); + if (udev->do_remote_wakeup) { + if (!hub_is_superspeed(hub->hdev)) { + (void) usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, + USB_RECIP_DEVICE, + USB_DEVICE_REMOTE_WAKEUP, 0, + NULL, 0, + USB_CTRL_SET_TIMEOUT); + } else + (void) usb_disable_function_remotewakeup(udev); + + } /* Try to enable USB2 hardware LPM again */ if (udev->usb2_hw_lpm_capable == 1) @@ -3052,20 +3076,30 @@ static int finish_port_resume(struct usb_device *udev) * udev->reset_resume */ } else if (udev->actconfig && !udev->reset_resume) { - le16_to_cpus(&devstatus); - if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) { - status = usb_control_msg(udev, - usb_sndctrlpipe(udev, 0), - USB_REQ_CLEAR_FEATURE, + if (!hub_is_superspeed(udev->parent)) { + le16_to_cpus(&devstatus); + if (devstatus & (1 << USB_DEVICE_REMOTE_WAKEUP)) + status = usb_control_msg(udev, + usb_sndctrlpipe(udev, 0), + USB_REQ_CLEAR_FEATURE, USB_RECIP_DEVICE, - USB_DEVICE_REMOTE_WAKEUP, 0, - NULL, 0, - USB_CTRL_SET_TIMEOUT); - if (status) - dev_dbg(&udev->dev, - "disable remote wakeup, status %d\n", - status); + USB_DEVICE_REMOTE_WAKEUP, 0, + NULL, 0, + USB_CTRL_SET_TIMEOUT); + } else { + status = usb_get_status(udev, USB_RECIP_INTERFACE, 0, + &devstatus); + le16_to_cpus(&devstatus); + if (!status && devstatus & (USB_INTRF_STAT_FUNC_RW_CAP + | USB_INTRF_STAT_FUNC_RW)) + status = + usb_disable_function_remotewakeup(udev); } + + if (status) + dev_dbg(&udev->dev, + "disable remote wakeup, status %d\n", + status); status = 0; } return status; diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 09537b2f1002..b416a3fc9959 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -797,6 +797,7 @@ static irqreturn_t ehci_irq (struct usb_hcd *hcd) ehci->reset_done[i] = jiffies + msecs_to_jiffies(25); set_bit(i, &ehci->resuming_ports); ehci_dbg (ehci, "port %d remote wakeup\n", i + 1); + usb_hcd_start_port_resume(&hcd->self, i); mod_timer(&hcd->rh_timer, ehci->reset_done[i]); } } diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 4ccb97c0678f..4d3b294f203e 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c @@ -649,7 +649,11 @@ ehci_hub_status_data (struct usb_hcd *hcd, char *buf) status = STS_PCD; } } - /* FIXME autosuspend idle root hubs */ + + /* If a resume is in progress, make sure it can finish */ + if (ehci->resuming_ports) + mod_timer(&hcd->rh_timer, jiffies + msecs_to_jiffies(25)); + spin_unlock_irqrestore (&ehci->lock, flags); return status ? retval : 0; } @@ -851,6 +855,7 @@ static int ehci_hub_control ( /* resume signaling for 20 msec */ ehci->reset_done[wIndex] = jiffies + msecs_to_jiffies(20); + usb_hcd_start_port_resume(&hcd->self, wIndex); /* check the port again */ mod_timer(&ehci_to_hcd(ehci)->rh_timer, ehci->reset_done[wIndex]); @@ -862,6 +867,7 @@ static int ehci_hub_control ( clear_bit(wIndex, &ehci->suspended_ports); set_bit(wIndex, &ehci->port_c_suspend); ehci->reset_done[wIndex] = 0; + usb_hcd_end_port_resume(&hcd->self, wIndex); /* stop resume signaling */ temp = ehci_readl(ehci, status_reg); @@ -950,6 +956,7 @@ static int ehci_hub_control ( ehci->reset_done[wIndex] = 0; if (temp & PORT_PE) set_bit(wIndex, &ehci->port_c_suspend); + usb_hcd_end_port_resume(&hcd->self, wIndex); } if (temp & PORT_OC) diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 3d989028c836..fd252f0cfb3a 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -1197,17 +1197,26 @@ static void start_iaa_cycle(struct ehci_hcd *ehci, bool nested) if (ehci->async_iaa || ehci->async_unlinking) return; - /* Do all the waiting QHs at once */ - ehci->async_iaa = ehci->async_unlink; - ehci->async_unlink = NULL; - /* If the controller isn't running, we don't have to wait for it */ if (unlikely(ehci->rh_state < EHCI_RH_RUNNING)) { + + /* Do all the waiting QHs */ + ehci->async_iaa = ehci->async_unlink; + ehci->async_unlink = NULL; + if (!nested) /* Avoid recursion */ end_unlink_async(ehci); /* Otherwise start a new IAA cycle */ } else if (likely(ehci->rh_state == EHCI_RH_RUNNING)) { + struct ehci_qh *qh; + + /* Do only the first waiting QH (nVidia bug?) */ + qh = ehci->async_unlink; + ehci->async_iaa = qh; + ehci->async_unlink = qh->unlink_next; + qh->unlink_next = NULL; + /* Make sure the unlinks are all visible to the hardware */ wmb(); @@ -1255,34 +1264,35 @@ static void end_unlink_async(struct ehci_hcd *ehci) } } +static void start_unlink_async(struct ehci_hcd *ehci, struct ehci_qh *qh); + static void unlink_empty_async(struct ehci_hcd *ehci) { - struct ehci_qh *qh, *next; - bool stopped = (ehci->rh_state < EHCI_RH_RUNNING); + struct ehci_qh *qh; + struct ehci_qh *qh_to_unlink = NULL; bool check_unlinks_later = false; + int count = 0; - /* Unlink all the async QHs that have been empty for a timer cycle */ - next = ehci->async->qh_next.qh; - while (next) { - qh = next; - next = qh->qh_next.qh; - + /* Find the last async QH which has been empty for a timer cycle */ + for (qh = ehci->async->qh_next.qh; qh; qh = qh->qh_next.qh) { if (list_empty(&qh->qtd_list) && qh->qh_state == QH_STATE_LINKED) { - if (!stopped && qh->unlink_cycle == - ehci->async_unlink_cycle) + ++count; + if (qh->unlink_cycle == ehci->async_unlink_cycle) check_unlinks_later = true; else - single_unlink_async(ehci, qh); + qh_to_unlink = qh; } } - /* Start a new IAA cycle if any QHs are waiting for it */ - if (ehci->async_unlink) - start_iaa_cycle(ehci, false); + /* If nothing else is being unlinked, unlink the last empty QH */ + if (!ehci->async_iaa && !ehci->async_unlink && qh_to_unlink) { + start_unlink_async(ehci, qh_to_unlink); + --count; + } - /* QHs that haven't been empty for long enough will be handled later */ - if (check_unlinks_later) { + /* Other QHs will be handled later */ + if (count > 0) { ehci_enable_event(ehci, EHCI_HRTIMER_ASYNC_UNLINKS, true); ++ehci->async_unlink_cycle; } diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 69ebee73c0c1..b476daf49f6f 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -213,7 +213,7 @@ static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask) } static const unsigned char -max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 }; +max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 125, 25 }; /* carryover low/fullspeed bandwidth that crosses uframe boundries */ static inline void carryover_tt_bandwidth(unsigned short tt_usecs[8]) @@ -2212,11 +2212,11 @@ static void scan_isoc(struct ehci_hcd *ehci) } ehci->now_frame = now_frame; + frame = ehci->last_iso_frame; for (;;) { union ehci_shadow q, *q_p; __hc32 type, *hw_p; - frame = ehci->last_iso_frame; restart: /* scan each element in frame's queue for completions */ q_p = &ehci->pshadow [frame]; @@ -2321,6 +2321,9 @@ restart: /* Stop when we have reached the current frame */ if (frame == now_frame) break; - ehci->last_iso_frame = (frame + 1) & fmask; + + /* The last frame may still have active siTDs */ + ehci->last_iso_frame = frame; + frame = (frame + 1) & fmask; } } diff --git a/drivers/usb/host/ehci-timer.c b/drivers/usb/host/ehci-timer.c index 20dbdcbe9b0f..f904071d70df 100644 --- a/drivers/usb/host/ehci-timer.c +++ b/drivers/usb/host/ehci-timer.c @@ -113,14 +113,15 @@ static void ehci_poll_ASS(struct ehci_hcd *ehci) if (want != actual) { - /* Poll again later, but give up after about 20 ms */ - if (ehci->ASS_poll_count++ < 20) { - ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true); - return; - } - ehci_dbg(ehci, "Waited too long for the async schedule status (%x/%x), giving up\n", - want, actual); + /* Poll again later */ + ehci_enable_event(ehci, EHCI_HRTIMER_POLL_ASS, true); + ++ehci->ASS_poll_count; + return; } + + if (ehci->ASS_poll_count > 20) + ehci_dbg(ehci, "ASS poll count reached %d\n", + ehci->ASS_poll_count); ehci->ASS_poll_count = 0; /* The status is up-to-date; restart or stop the schedule as needed */ @@ -159,14 +160,14 @@ static void ehci_poll_PSS(struct ehci_hcd *ehci) if (want != actual) { - /* Poll again later, but give up after about 20 ms */ - if (ehci->PSS_poll_count++ < 20) { - ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true); - return; - } - ehci_dbg(ehci, "Waited too long for the periodic schedule status (%x/%x), giving up\n", - want, actual); + /* Poll again later */ + ehci_enable_event(ehci, EHCI_HRTIMER_POLL_PSS, true); + return; } + + if (ehci->PSS_poll_count > 20) + ehci_dbg(ehci, "PSS poll count reached %d\n", + ehci->PSS_poll_count); ehci->PSS_poll_count = 0; /* The status is up-to-date; restart or stop the schedule as needed */ diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index a3b6d7104ae2..4c338ec03a07 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -780,6 +780,7 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) "defaulting to EHCI.\n"); dev_warn(&xhci_pdev->dev, "USB 3.0 devices will work at USB 2.0 speeds.\n"); + usb_disable_xhci_ports(xhci_pdev); return; } diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index 768d54295a20..15d13229ddbb 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -116,6 +116,7 @@ static void uhci_finish_suspend(struct uhci_hcd *uhci, int port, } } clear_bit(port, &uhci->resuming_ports); + usb_hcd_end_port_resume(&uhci_to_hcd(uhci)->self, port); } /* Wait for the UHCI controller in HP's iLO2 server management chip. @@ -167,6 +168,8 @@ static void uhci_check_ports(struct uhci_hcd *uhci) set_bit(port, &uhci->resuming_ports); uhci->ports_timeout = jiffies + msecs_to_jiffies(25); + usb_hcd_start_port_resume( + &uhci_to_hcd(uhci)->self, port); /* Make sure we see the port again * after the resuming period is over. */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 59fb5c677dbe..7f76a49e90d3 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1698,7 +1698,7 @@ static void handle_port_status(struct xhci_hcd *xhci, faked_port_index + 1); if (slot_id && xhci->devs[slot_id]) xhci_ring_device(xhci, slot_id); - if (bus_state->port_remote_wakeup && (1 << faked_port_index)) { + if (bus_state->port_remote_wakeup & (1 << faked_port_index)) { bus_state->port_remote_wakeup &= ~(1 << faked_port_index); xhci_test_and_clear_bit(xhci, port_array, @@ -2589,6 +2589,8 @@ cleanup: (trb_comp_code != COMP_STALL && trb_comp_code != COMP_BABBLE)) xhci_urb_free_priv(xhci, urb_priv); + else + kfree(urb_priv); usb_hcd_unlink_urb_from_ep(bus_to_hcd(urb->dev->bus), urb); if ((urb->actual_length != urb->transfer_buffer_length && @@ -3108,7 +3110,7 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len, * running_total. */ packets_transferred = (running_total + trb_buff_len) / - usb_endpoint_maxp(&urb->ep->desc); + GET_MAX_PACKET(usb_endpoint_maxp(&urb->ep->desc)); if ((total_packet_count - packets_transferred) > 31) return 31 << 17; @@ -3642,7 +3644,8 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, td_len = urb->iso_frame_desc[i].length; td_remain_len = td_len; total_packet_count = DIV_ROUND_UP(td_len, - usb_endpoint_maxp(&urb->ep->desc)); + GET_MAX_PACKET( + usb_endpoint_maxp(&urb->ep->desc))); /* A zero-length transfer still involves at least one packet. */ if (total_packet_count == 0) total_packet_count++; @@ -3664,9 +3667,11 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, td = urb_priv->td[i]; for (j = 0; j < trbs_per_td; j++) { u32 remainder = 0; - field = TRB_TBC(burst_count) | TRB_TLBPC(residue); + field = 0; if (first_trb) { + field = TRB_TBC(burst_count) | + TRB_TLBPC(residue); /* Queue the isoc TRB */ field |= TRB_TYPE(TRB_ISOC); /* Assume URB_ISO_ASAP is set */ diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index f14736f647ff..edc0f0dcad83 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -60,6 +60,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x0FCF, 0x1003) }, /* Dynastream ANT development board */ { USB_DEVICE(0x0FCF, 0x1004) }, /* Dynastream ANT2USB */ { USB_DEVICE(0x0FCF, 0x1006) }, /* Dynastream ANT development board */ + { USB_DEVICE(0x0FDE, 0xCA05) }, /* OWL Wireless Electricity Monitor CM-160 */ { USB_DEVICE(0x10A6, 0xAA26) }, /* Knock-off DCU-11 cable */ { USB_DEVICE(0x10AB, 0x10C5) }, /* Siemens MC60 Cable */ { USB_DEVICE(0x10B5, 0xAC70) }, /* Nokia CA-42 USB */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index ba68835d06a6..90ceef1776c3 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -584,6 +584,7 @@ static struct usb_device_id id_table_combined [] = { /* * ELV devices: */ + { USB_DEVICE(FTDI_ELV_VID, FTDI_ELV_WS300_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) }, @@ -670,6 +671,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_5_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_6_PID) }, { USB_DEVICE(FTDI_VID, XSENS_CONVERTER_7_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_OMNI1509) }, { USB_DEVICE(MOBILITY_VID, MOBILITY_USB_SERIAL_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ACTIVE_ROBOTS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_MHAM_KW_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index fa5d56038276..9d359e189a64 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -147,6 +147,11 @@ #define XSENS_CONVERTER_6_PID 0xD38E #define XSENS_CONVERTER_7_PID 0xD38F +/** + * Zolix (www.zolix.com.cb) product ids + */ +#define FTDI_OMNI1509 0xD491 /* Omni1509 embedded USB-serial */ + /* * NDI (www.ndigital.com) product ids */ @@ -204,7 +209,7 @@ /* * ELV USB devices submitted by Christian Abt of ELV (www.elv.de). - * All of these devices use FTDI's vendor ID (0x0403). + * Almost all of these devices use FTDI's vendor ID (0x0403). * Further IDs taken from ELV Windows .inf file. * * The previously included PID for the UO 100 module was incorrect. @@ -212,6 +217,8 @@ * * Armin Laeuger originally sent the PID for the UM 100 module. */ +#define FTDI_ELV_VID 0x1B1F /* ELV AG */ +#define FTDI_ELV_WS300_PID 0xC006 /* eQ3 WS 300 PC II */ #define FTDI_ELV_USR_PID 0xE000 /* ELV Universal-Sound-Recorder */ #define FTDI_ELV_MSM1_PID 0xE001 /* ELV Mini-Sound-Modul */ #define FTDI_ELV_KL100_PID 0xE002 /* ELV Kfz-Leistungsmesser KL 100 */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 0d9dac9e7f93..567bc77d6397 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -242,6 +242,7 @@ static void option_instat_callback(struct urb *urb); #define TELIT_PRODUCT_CC864_DUAL 0x1005 #define TELIT_PRODUCT_CC864_SINGLE 0x1006 #define TELIT_PRODUCT_DE910_DUAL 0x1010 +#define TELIT_PRODUCT_LE920 0x1200 /* ZTE PRODUCTS */ #define ZTE_VENDOR_ID 0x19d2 @@ -453,6 +454,10 @@ static void option_instat_callback(struct urb *urb); #define TPLINK_VENDOR_ID 0x2357 #define TPLINK_PRODUCT_MA180 0x0201 +/* Changhong products */ +#define CHANGHONG_VENDOR_ID 0x2077 +#define CHANGHONG_PRODUCT_CH690 0x7001 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -534,6 +539,11 @@ static const struct option_blacklist_info zte_1255_blacklist = { .reserved = BIT(3) | BIT(4), }; +static const struct option_blacklist_info telit_le920_blacklist = { + .sendsetup = BIT(0), + .reserved = BIT(1) | BIT(5), +}; + static const struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, @@ -784,6 +794,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) }, + { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920), + .driver_info = (kernel_ulong_t)&telit_le920_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf1_blacklist }, @@ -1318,6 +1330,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) }, { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(CHANGHONG_VENDOR_ID, CHANGHONG_PRODUCT_CH690) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index aa148c21ea40..24662547dc5b 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -53,6 +53,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_G1K(0x05c6, 0x9221)}, /* Generic Gobi QDL device */ {DEVICE_G1K(0x05c6, 0x9231)}, /* Generic Gobi QDL device */ {DEVICE_G1K(0x1f45, 0x0001)}, /* Unknown Gobi QDL device */ + {DEVICE_G1K(0x1bc7, 0x900e)}, /* Telit Gobi QDL device */ /* Gobi 2000 devices */ {USB_DEVICE(0x1410, 0xa010)}, /* Novatel Gobi 2000 QDL device */ diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 105d900150c1..16b0bf055eeb 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -92,8 +92,8 @@ int usb_stor_ucr61s2b_init(struct us_data *us) return 0; } -/* This places the HUAWEI E220 devices in multi-port mode */ -int usb_stor_huawei_e220_init(struct us_data *us) +/* This places the HUAWEI usb dongles in multi-port mode */ +static int usb_stor_huawei_feature_init(struct us_data *us) { int result; @@ -104,3 +104,75 @@ int usb_stor_huawei_e220_init(struct us_data *us) US_DEBUGP("Huawei mode set result is %d\n", result); return 0; } + +/* + * It will send a scsi switch command called rewind' to huawei dongle. + * When the dongle receives this command at the first time, + * it will reboot immediately. After rebooted, it will ignore this command. + * So it is unnecessary to read its response. + */ +static int usb_stor_huawei_scsi_init(struct us_data *us) +{ + int result = 0; + int act_len = 0; + struct bulk_cb_wrap *bcbw = (struct bulk_cb_wrap *) us->iobuf; + char rewind_cmd[] = {0x11, 0x06, 0x20, 0x00, 0x00, 0x01, 0x01, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; + + bcbw->Signature = cpu_to_le32(US_BULK_CB_SIGN); + bcbw->Tag = 0; + bcbw->DataTransferLength = 0; + bcbw->Flags = bcbw->Lun = 0; + bcbw->Length = sizeof(rewind_cmd); + memset(bcbw->CDB, 0, sizeof(bcbw->CDB)); + memcpy(bcbw->CDB, rewind_cmd, sizeof(rewind_cmd)); + + result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe, bcbw, + US_BULK_CB_WRAP_LEN, &act_len); + US_DEBUGP("transfer actual length=%d, result=%d\n", act_len, result); + return result; +} + +/* + * It tries to find the supported Huawei USB dongles. + * In Huawei, they assign the following product IDs + * for all of their mobile broadband dongles, + * including the new dongles in the future. + * So if the product ID is not included in this list, + * it means it is not Huawei's mobile broadband dongles. + */ +static int usb_stor_huawei_dongles_pid(struct us_data *us) +{ + struct usb_interface_descriptor *idesc; + int idProduct; + + idesc = &us->pusb_intf->cur_altsetting->desc; + idProduct = us->pusb_dev->descriptor.idProduct; + /* The first port is CDROM, + * means the dongle in the single port mode, + * and a switch command is required to be sent. */ + if (idesc && idesc->bInterfaceNumber == 0) { + if ((idProduct == 0x1001) + || (idProduct == 0x1003) + || (idProduct == 0x1004) + || (idProduct >= 0x1401 && idProduct <= 0x1500) + || (idProduct >= 0x1505 && idProduct <= 0x1600) + || (idProduct >= 0x1c02 && idProduct <= 0x2202)) { + return 1; + } + } + return 0; +} + +int usb_stor_huawei_init(struct us_data *us) +{ + int result = 0; + + if (usb_stor_huawei_dongles_pid(us)) { + if (us->pusb_dev->descriptor.idProduct >= 0x1446) + result = usb_stor_huawei_scsi_init(us); + else + result = usb_stor_huawei_feature_init(us); + } + return result; +} diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index 529327fbb06b..5376d4fc76f0 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -46,5 +46,5 @@ int usb_stor_euscsi_init(struct us_data *us); * flash reader */ int usb_stor_ucr61s2b_init(struct us_data *us); -/* This places the HUAWEI E220 devices in multi-port mode */ -int usb_stor_huawei_e220_init(struct us_data *us); +/* This places the HUAWEI usb dongles in multi-port mode */ +int usb_stor_huawei_init(struct us_data *us); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index d305a5aa3a5d..72923b56bbf6 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1527,335 +1527,10 @@ UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100, /* Reported by fangxiaozhi <huananhu@huawei.com> * This brings the HUAWEI data card devices into multi-port mode */ -UNUSUAL_DEV( 0x12d1, 0x1001, 0x0000, 0x0000, +UNUSUAL_VENDOR_INTF(0x12d1, 0x08, 0x06, 0x50, "HUAWEI MOBILE", "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1003, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1004, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1401, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1402, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1403, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1404, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1405, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1406, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1407, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1408, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1409, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x140F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1410, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1411, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1412, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1413, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1414, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1415, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1416, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1417, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1418, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1419, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x141F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1420, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1421, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1422, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1423, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1424, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1425, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1426, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1427, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1428, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1429, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x142F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1430, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1431, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1432, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1433, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1434, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1435, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1436, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1437, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1438, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x1439, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143A, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143B, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143C, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143D, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143E, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, - 0), -UNUSUAL_DEV( 0x12d1, 0x143F, 0x0000, 0x0000, - "HUAWEI MOBILE", - "Mass Storage", - USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_e220_init, + USB_SC_DEVICE, USB_PR_DEVICE, usb_stor_huawei_init, 0), /* Reported by Vilius Bilinkevicius <vilisas AT xxx DOT lt) */ diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index 31b3e1a61bbd..cf09b6ba71ff 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -120,6 +120,17 @@ MODULE_PARM_DESC(quirks, "supplemental list of device IDs and their quirks"); .useTransport = use_transport, \ } +#define UNUSUAL_VENDOR_INTF(idVendor, cl, sc, pr, \ + vendor_name, product_name, use_protocol, use_transport, \ + init_function, Flags) \ +{ \ + .vendorName = vendor_name, \ + .productName = product_name, \ + .useProtocol = use_protocol, \ + .useTransport = use_transport, \ + .initFunction = init_function, \ +} + static struct us_unusual_dev us_unusual_dev_list[] = { # include "unusual_devs.h" { } /* Terminating entry */ @@ -131,6 +142,7 @@ static struct us_unusual_dev for_dynamic_ids = #undef UNUSUAL_DEV #undef COMPLIANT_DEV #undef USUAL_DEV +#undef UNUSUAL_VENDOR_INTF #ifdef CONFIG_LOCKDEP diff --git a/drivers/usb/storage/usual-tables.c b/drivers/usb/storage/usual-tables.c index b78a526910fb..5ef8ce74aae4 100644 --- a/drivers/usb/storage/usual-tables.c +++ b/drivers/usb/storage/usual-tables.c @@ -41,6 +41,20 @@ #define USUAL_DEV(useProto, useTrans) \ { USB_INTERFACE_INFO(USB_CLASS_MASS_STORAGE, useProto, useTrans) } +/* Define the device is matched with Vendor ID and interface descriptors */ +#define UNUSUAL_VENDOR_INTF(id_vendor, cl, sc, pr, \ + vendorName, productName, useProtocol, useTransport, \ + initFunction, flags) \ +{ \ + .match_flags = USB_DEVICE_ID_MATCH_INT_INFO \ + | USB_DEVICE_ID_MATCH_VENDOR, \ + .idVendor = (id_vendor), \ + .bInterfaceClass = (cl), \ + .bInterfaceSubClass = (sc), \ + .bInterfaceProtocol = (pr), \ + .driver_info = (flags) \ +} + struct usb_device_id usb_storage_usb_ids[] = { # include "unusual_devs.h" { } /* Terminating entry */ @@ -50,6 +64,7 @@ MODULE_DEVICE_TABLE(usb, usb_storage_usb_ids); #undef UNUSUAL_DEV #undef COMPLIANT_DEV #undef USUAL_DEV +#undef UNUSUAL_VENDOR_INTF /* * The table of devices to ignore diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index ebd08b21b234..959b1cd89e6a 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -165,12 +165,16 @@ static void tx_poll_stop(struct vhost_net *net) } /* Caller must have TX VQ lock */ -static void tx_poll_start(struct vhost_net *net, struct socket *sock) +static int tx_poll_start(struct vhost_net *net, struct socket *sock) { + int ret; + if (unlikely(net->tx_poll_state != VHOST_NET_POLL_STOPPED)) - return; - vhost_poll_start(net->poll + VHOST_NET_VQ_TX, sock->file); - net->tx_poll_state = VHOST_NET_POLL_STARTED; + return 0; + ret = vhost_poll_start(net->poll + VHOST_NET_VQ_TX, sock->file); + if (!ret) + net->tx_poll_state = VHOST_NET_POLL_STARTED; + return ret; } /* In case of DMA done not in order in lower device driver for some reason. @@ -642,20 +646,23 @@ static void vhost_net_disable_vq(struct vhost_net *n, vhost_poll_stop(n->poll + VHOST_NET_VQ_RX); } -static void vhost_net_enable_vq(struct vhost_net *n, +static int vhost_net_enable_vq(struct vhost_net *n, struct vhost_virtqueue *vq) { struct socket *sock; + int ret; sock = rcu_dereference_protected(vq->private_data, lockdep_is_held(&vq->mutex)); if (!sock) - return; + return 0; if (vq == n->vqs + VHOST_NET_VQ_TX) { n->tx_poll_state = VHOST_NET_POLL_STOPPED; - tx_poll_start(n, sock); + ret = tx_poll_start(n, sock); } else - vhost_poll_start(n->poll + VHOST_NET_VQ_RX, sock->file); + ret = vhost_poll_start(n->poll + VHOST_NET_VQ_RX, sock->file); + + return ret; } static struct socket *vhost_net_stop_vq(struct vhost_net *n, @@ -827,15 +834,18 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd) r = PTR_ERR(ubufs); goto err_ubufs; } - oldubufs = vq->ubufs; - vq->ubufs = ubufs; + vhost_net_disable_vq(n, vq); rcu_assign_pointer(vq->private_data, sock); - vhost_net_enable_vq(n, vq); - r = vhost_init_used(vq); if (r) - goto err_vq; + goto err_used; + r = vhost_net_enable_vq(n, vq); + if (r) + goto err_used; + + oldubufs = vq->ubufs; + vq->ubufs = ubufs; n->tx_packets = 0; n->tx_zcopy_err = 0; @@ -859,6 +869,11 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd) mutex_unlock(&n->dev.mutex); return 0; +err_used: + rcu_assign_pointer(vq->private_data, oldsock); + vhost_net_enable_vq(n, vq); + if (ubufs) + vhost_ubuf_put_and_wait(ubufs); err_ubufs: fput(sock->file); err_vq: diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c index b20df5c829f5..22321cf84fbe 100644 --- a/drivers/vhost/tcm_vhost.c +++ b/drivers/vhost/tcm_vhost.c @@ -575,10 +575,8 @@ static void vhost_scsi_handle_vq(struct vhost_scsi *vs) /* Must use ioctl VHOST_SCSI_SET_ENDPOINT */ tv_tpg = vs->vs_tpg; - if (unlikely(!tv_tpg)) { - pr_err("%s endpoint not set\n", __func__); + if (unlikely(!tv_tpg)) return; - } mutex_lock(&vq->mutex); vhost_disable_notify(&vs->dev, vq); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 34389f75fe65..9759249e6d90 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -77,26 +77,38 @@ void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn, init_poll_funcptr(&poll->table, vhost_poll_func); poll->mask = mask; poll->dev = dev; + poll->wqh = NULL; vhost_work_init(&poll->work, fn); } /* Start polling a file. We add ourselves to file's wait queue. The caller must * keep a reference to a file until after vhost_poll_stop is called. */ -void vhost_poll_start(struct vhost_poll *poll, struct file *file) +int vhost_poll_start(struct vhost_poll *poll, struct file *file) { unsigned long mask; + int ret = 0; mask = file->f_op->poll(file, &poll->table); if (mask) vhost_poll_wakeup(&poll->wait, 0, 0, (void *)mask); + if (mask & POLLERR) { + if (poll->wqh) + remove_wait_queue(poll->wqh, &poll->wait); + ret = -EINVAL; + } + + return ret; } /* Stop polling a file. After this function returns, it becomes safe to drop the * file reference. You must also flush afterwards. */ void vhost_poll_stop(struct vhost_poll *poll) { - remove_wait_queue(poll->wqh, &poll->wait); + if (poll->wqh) { + remove_wait_queue(poll->wqh, &poll->wait); + poll->wqh = NULL; + } } static bool vhost_work_seq_done(struct vhost_dev *dev, struct vhost_work *work, @@ -792,7 +804,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, int ioctl, void __user *argp) fput(filep); if (pollstart && vq->handle_kick) - vhost_poll_start(&vq->poll, vq->kick); + r = vhost_poll_start(&vq->poll, vq->kick); mutex_unlock(&vq->mutex); diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h index 2639c58b23ab..17261e277c02 100644 --- a/drivers/vhost/vhost.h +++ b/drivers/vhost/vhost.h @@ -42,7 +42,7 @@ void vhost_work_queue(struct vhost_dev *dev, struct vhost_work *work); void vhost_poll_init(struct vhost_poll *poll, vhost_work_fn_t fn, unsigned long mask, struct vhost_dev *dev); -void vhost_poll_start(struct vhost_poll *poll, struct file *file); +int vhost_poll_start(struct vhost_poll *poll, struct file *file); void vhost_poll_stop(struct vhost_poll *poll); void vhost_poll_flush(struct vhost_poll *poll); void vhost_poll_queue(struct vhost_poll *poll); diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 0be4df39e953..74d77dfa5f63 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -840,7 +840,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) if (irq == -1) { irq = xen_allocate_irq_dynamic(); - if (irq == -1) + if (irq < 0) goto out; irq_set_chip_and_handler_name(irq, &xen_dynamic_chip, @@ -944,7 +944,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) if (irq == -1) { irq = xen_allocate_irq_dynamic(); - if (irq == -1) + if (irq < 0) goto out; irq_set_chip_and_handler_name(irq, &xen_percpu_chip, diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c index 97f5d264c31e..37c1f825f513 100644 --- a/drivers/xen/xen-pciback/pciback_ops.c +++ b/drivers/xen/xen-pciback/pciback_ops.c @@ -135,7 +135,6 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev, struct pci_dev *dev, struct xen_pci_op *op) { struct xen_pcibk_dev_data *dev_data; - int otherend = pdev->xdev->otherend_id; int status; if (unlikely(verbose_request)) @@ -144,8 +143,9 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev, status = pci_enable_msi(dev); if (status) { - printk(KERN_ERR "error enable msi for guest %x status %x\n", - otherend, status); + pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI for guest %u: err %d\n", + pci_name(dev), pdev->xdev->otherend_id, + status); op->value = 0; return XEN_PCI_ERR_op_failed; } @@ -223,10 +223,10 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev, pci_name(dev), i, op->msix_entries[i].vector); } - } else { - printk(KERN_WARNING DRV_NAME ": %s: failed to enable MSI-X: err %d!\n", - pci_name(dev), result); - } + } else + pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI-X for guest %u: err %d!\n", + pci_name(dev), pdev->xdev->otherend_id, + result); kfree(entries); op->value = result; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a8b8adc05070..5a3327b8f90d 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4534,7 +4534,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) unsigned nr_extents = 0; int extra_reserve = 0; enum btrfs_reserve_flush_enum flush = BTRFS_RESERVE_FLUSH_ALL; - int ret; + int ret = 0; bool delalloc_lock = true; /* If we are a free space inode we need to not flush since we will be in @@ -4579,20 +4579,18 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) csum_bytes = BTRFS_I(inode)->csum_bytes; spin_unlock(&BTRFS_I(inode)->lock); - if (root->fs_info->quota_enabled) { + if (root->fs_info->quota_enabled) ret = btrfs_qgroup_reserve(root, num_bytes + nr_extents * root->leafsize); - if (ret) { - spin_lock(&BTRFS_I(inode)->lock); - calc_csum_metadata_size(inode, num_bytes, 0); - spin_unlock(&BTRFS_I(inode)->lock); - if (delalloc_lock) - mutex_unlock(&BTRFS_I(inode)->delalloc_mutex); - return ret; - } - } - ret = reserve_metadata_bytes(root, block_rsv, to_reserve, flush); + /* + * ret != 0 here means the qgroup reservation failed, we go straight to + * the shared error handling then. + */ + if (ret == 0) + ret = reserve_metadata_bytes(root, block_rsv, + to_reserve, flush); + if (ret) { u64 to_free = 0; unsigned dropped; diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 2e8cae63d247..fdb7a8db3b57 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -288,7 +288,8 @@ out: void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em) { clear_bit(EXTENT_FLAG_LOGGING, &em->flags); - try_merge_map(tree, em); + if (em->in_tree) + try_merge_map(tree, em); } /** diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index f76b1fd160d4..aeb84469d2c4 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -293,15 +293,24 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info, struct btrfs_key key; struct btrfs_ioctl_defrag_range_args range; int num_defrag; + int index; + int ret; /* get the inode */ key.objectid = defrag->root; btrfs_set_key_type(&key, BTRFS_ROOT_ITEM_KEY); key.offset = (u64)-1; + + index = srcu_read_lock(&fs_info->subvol_srcu); + inode_root = btrfs_read_fs_root_no_name(fs_info, &key); if (IS_ERR(inode_root)) { - kmem_cache_free(btrfs_inode_defrag_cachep, defrag); - return PTR_ERR(inode_root); + ret = PTR_ERR(inode_root); + goto cleanup; + } + if (btrfs_root_refs(&inode_root->root_item) == 0) { + ret = -ENOENT; + goto cleanup; } key.objectid = defrag->ino; @@ -309,9 +318,10 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info, key.offset = 0; inode = btrfs_iget(fs_info->sb, &key, inode_root, NULL); if (IS_ERR(inode)) { - kmem_cache_free(btrfs_inode_defrag_cachep, defrag); - return PTR_ERR(inode); + ret = PTR_ERR(inode); + goto cleanup; } + srcu_read_unlock(&fs_info->subvol_srcu, index); /* do a chunk of defrag */ clear_bit(BTRFS_INODE_IN_DEFRAG, &BTRFS_I(inode)->runtime_flags); @@ -346,6 +356,10 @@ static int __btrfs_run_defrag_inode(struct btrfs_fs_info *fs_info, iput(inode); return 0; +cleanup: + srcu_read_unlock(&fs_info->subvol_srcu, index); + kmem_cache_free(btrfs_inode_defrag_cachep, defrag); + return ret; } /* @@ -1594,9 +1608,10 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, if (err < 0 && num_written > 0) num_written = err; } -out: + if (sync) atomic_dec(&BTRFS_I(inode)->sync_writers); +out: sb_end_write(inode->i_sb); current->backing_dev_info = NULL; return num_written ? num_written : err; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 5b22d45d3c6a..338f2597bf7f 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -515,7 +515,6 @@ static noinline int create_subvol(struct btrfs_root *root, BUG_ON(ret); - d_instantiate(dentry, btrfs_lookup_dentry(dir, dentry)); fail: if (async_transid) { *async_transid = trans->transid; @@ -525,6 +524,10 @@ fail: } if (err && !ret) ret = err; + + if (!ret) + d_instantiate(dentry, btrfs_lookup_dentry(dir, dentry)); + return ret; } diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index f10731297040..e5ed56729607 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -836,9 +836,16 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, * if the disk i_size is already at the inode->i_size, or * this ordered extent is inside the disk i_size, we're done */ - if (disk_i_size == i_size || offset <= disk_i_size) { + if (disk_i_size == i_size) + goto out; + + /* + * We still need to update disk_i_size if outstanding_isize is greater + * than disk_i_size. + */ + if (offset <= disk_i_size && + (!ordered || ordered->outstanding_isize <= disk_i_size)) goto out; - } /* * walk backward from this ordered extent to disk_i_size. @@ -870,7 +877,7 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset, break; if (test->file_offset >= i_size) break; - if (test->file_offset >= disk_i_size) { + if (entry_end(test) > disk_i_size) { /* * we don't update disk_i_size now, so record this * undealt i_size. Or we will not know the real diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index bdbb94f245c9..67783e03d121 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -580,20 +580,29 @@ static int scrub_fixup_readpage(u64 inum, u64 offset, u64 root, void *fixup_ctx) int corrected = 0; struct btrfs_key key; struct inode *inode = NULL; + struct btrfs_fs_info *fs_info; u64 end = offset + PAGE_SIZE - 1; struct btrfs_root *local_root; + int srcu_index; key.objectid = root; key.type = BTRFS_ROOT_ITEM_KEY; key.offset = (u64)-1; - local_root = btrfs_read_fs_root_no_name(fixup->root->fs_info, &key); - if (IS_ERR(local_root)) + + fs_info = fixup->root->fs_info; + srcu_index = srcu_read_lock(&fs_info->subvol_srcu); + + local_root = btrfs_read_fs_root_no_name(fs_info, &key); + if (IS_ERR(local_root)) { + srcu_read_unlock(&fs_info->subvol_srcu, srcu_index); return PTR_ERR(local_root); + } key.type = BTRFS_INODE_ITEM_KEY; key.objectid = inum; key.offset = 0; - inode = btrfs_iget(fixup->root->fs_info->sb, &key, local_root, NULL); + inode = btrfs_iget(fs_info->sb, &key, local_root, NULL); + srcu_read_unlock(&fs_info->subvol_srcu, srcu_index); if (IS_ERR(inode)) return PTR_ERR(inode); @@ -606,7 +615,6 @@ static int scrub_fixup_readpage(u64 inum, u64 offset, u64 root, void *fixup_ctx) } if (PageUptodate(page)) { - struct btrfs_fs_info *fs_info; if (PageDirty(page)) { /* * we need to write the data to the defect sector. the @@ -3180,18 +3188,25 @@ static int copy_nocow_pages_for_inode(u64 inum, u64 offset, u64 root, void *ctx) u64 physical_for_dev_replace; u64 len; struct btrfs_fs_info *fs_info = nocow_ctx->sctx->dev_root->fs_info; + int srcu_index; key.objectid = root; key.type = BTRFS_ROOT_ITEM_KEY; key.offset = (u64)-1; + + srcu_index = srcu_read_lock(&fs_info->subvol_srcu); + local_root = btrfs_read_fs_root_no_name(fs_info, &key); - if (IS_ERR(local_root)) + if (IS_ERR(local_root)) { + srcu_read_unlock(&fs_info->subvol_srcu, srcu_index); return PTR_ERR(local_root); + } key.type = BTRFS_INODE_ITEM_KEY; key.objectid = inum; key.offset = 0; inode = btrfs_iget(fs_info->sb, &key, local_root, NULL); + srcu_read_unlock(&fs_info->subvol_srcu, srcu_index); if (IS_ERR(inode)) return PTR_ERR(inode); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index f15494699f3b..fc03aa60b684 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -333,12 +333,14 @@ start_transaction(struct btrfs_root *root, u64 num_items, int type, &root->fs_info->trans_block_rsv, num_bytes, flush); if (ret) - return ERR_PTR(ret); + goto reserve_fail; } again: h = kmem_cache_alloc(btrfs_trans_handle_cachep, GFP_NOFS); - if (!h) - return ERR_PTR(-ENOMEM); + if (!h) { + ret = -ENOMEM; + goto alloc_fail; + } /* * If we are JOIN_NOLOCK we're already committing a transaction and @@ -365,11 +367,7 @@ again: if (ret < 0) { /* We must get the transaction if we are JOIN_NOLOCK. */ BUG_ON(type == TRANS_JOIN_NOLOCK); - - if (type < TRANS_JOIN_NOLOCK) - sb_end_intwrite(root->fs_info->sb); - kmem_cache_free(btrfs_trans_handle_cachep, h); - return ERR_PTR(ret); + goto join_fail; } cur_trans = root->fs_info->running_transaction; @@ -410,6 +408,19 @@ got_it: if (!current->journal_info && type != TRANS_USERSPACE) current->journal_info = h; return h; + +join_fail: + if (type < TRANS_JOIN_NOLOCK) + sb_end_intwrite(root->fs_info->sb); + kmem_cache_free(btrfs_trans_handle_cachep, h); +alloc_fail: + if (num_bytes) + btrfs_block_rsv_release(root, &root->fs_info->trans_block_rsv, + num_bytes); +reserve_fail: + if (qgroup_reserved) + btrfs_qgroup_free(root, qgroup_reserved); + return ERR_PTR(ret); } struct btrfs_trans_handle *btrfs_start_transaction(struct btrfs_root *root, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 15f6efdf6463..5cbb7f4b1672 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1556,7 +1556,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) ret = 0; /* Notify udev that device has changed */ - btrfs_kobject_uevent(bdev, KOBJ_CHANGE); + if (bdev) + btrfs_kobject_uevent(bdev, KOBJ_CHANGE); error_brelse: brelse(bh); diff --git a/fs/dlm/user.c b/fs/dlm/user.c index 7ff49852b0cb..911649a47dd5 100644 --- a/fs/dlm/user.c +++ b/fs/dlm/user.c @@ -503,11 +503,11 @@ static ssize_t device_write(struct file *file, const char __user *buf, #endif return -EINVAL; -#ifdef CONFIG_COMPAT - if (count > sizeof(struct dlm_write_request32) + DLM_RESNAME_MAXLEN) -#else + /* + * can't compare against COMPAT/dlm_write_request32 because + * we don't yet know if is64bit is zero + */ if (count > sizeof(struct dlm_write_request) + DLM_RESNAME_MAXLEN) -#endif return -EINVAL; kbuf = kzalloc(count + 1, GFP_NOFS); diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index fdb180769485..f3859354e41a 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -664,8 +664,11 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, if (ret < 0) printk(KERN_ERR "NILFS: GC failed during preparation: " "cannot read source blocks: err=%d\n", ret); - else + else { + if (nilfs_sb_need_update(nilfs)) + set_nilfs_discontinued(nilfs); ret = nilfs_clean_segments(inode->i_sb, argv, kbufs); + } nilfs_remove_all_gcinodes(nilfs); clear_nilfs_gc_running(nilfs); diff --git a/include/linux/llist.h b/include/linux/llist.h index a5199f6d0e82..d0ab98f73d38 100644 --- a/include/linux/llist.h +++ b/include/linux/llist.h @@ -125,6 +125,31 @@ static inline void init_llist_head(struct llist_head *list) (pos) = llist_entry((pos)->member.next, typeof(*(pos)), member)) /** + * llist_for_each_entry_safe - iterate safely against remove over some entries + * of lock-less list of given type. + * @pos: the type * to use as a loop cursor. + * @n: another type * to use as a temporary storage. + * @node: the fist entry of deleted list entries. + * @member: the name of the llist_node with the struct. + * + * In general, some entries of the lock-less list can be traversed + * safely only after being removed from list, so start with an entry + * instead of list head. This variant allows removal of entries + * as we iterate. + * + * If being used on entries deleted from lock-less list directly, the + * traverse order is from the newest to the oldest added entry. If + * you want to traverse from the oldest to the newest, you must + * reverse the order by yourself before traversing. + */ +#define llist_for_each_entry_safe(pos, n, node, member) \ + for ((pos) = llist_entry((node), typeof(*(pos)), member), \ + (n) = (pos)->member.next; \ + &(pos)->member != NULL; \ + (pos) = llist_entry(n, typeof(*(pos)), member), \ + (n) = (&(pos)->member != NULL) ? (pos)->member.next : NULL) + +/** * llist_empty - tests whether a lock-less list is empty * @head: the list to test * diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 0108a56f814e..28bd5fa2ff2e 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -429,7 +429,7 @@ extern int memcg_limited_groups_array_size; * the slab_mutex must be held when looping through those caches */ #define for_each_memcg_cache_index(_idx) \ - for ((_idx) = 0; i < memcg_limited_groups_array_size; (_idx)++) + for ((_idx) = 0; (_idx) < memcg_limited_groups_array_size; (_idx)++) static inline bool memcg_kmem_enabled(void) { diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index bc823c4c028b..deca87452528 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -151,7 +151,7 @@ struct mmu_notifier_ops { * Therefore notifier chains can only be traversed when either * * 1. mmap_sem is held. - * 2. One of the reverse map locks is held (i_mmap_mutex or anon_vma->mutex). + * 2. One of the reverse map locks is held (i_mmap_mutex or anon_vma->rwsem). * 3. No other concurrent thread can access the list (release) */ struct mmu_notifier { diff --git a/include/linux/usb.h b/include/linux/usb.h index 689b14b26c8d..4d22d0f6167a 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -357,6 +357,8 @@ struct usb_bus { int bandwidth_int_reqs; /* number of Interrupt requests */ int bandwidth_isoc_reqs; /* number of Isoc. requests */ + unsigned resuming_ports; /* bit array: resuming root-hub ports */ + #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) struct mon_bus *mon_bus; /* non-null when associated */ int monitored; /* non-zero when monitored */ diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 608050b2545f..0a78df5f6cfd 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -430,6 +430,9 @@ extern void usb_hcd_poll_rh_status(struct usb_hcd *hcd); extern void usb_wakeup_notification(struct usb_device *hdev, unsigned int portnum); +extern void usb_hcd_start_port_resume(struct usb_bus *bus, int portnum); +extern void usb_hcd_end_port_resume(struct usb_bus *bus, int portnum); + /* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */ #define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1) #define usb_dotoggle(dev, ep, out) ((dev)->toggle[out] ^= (1 << (ep))) diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 5de7a220e986..0e5ac93bab10 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -33,6 +33,7 @@ struct usbnet { wait_queue_head_t *wait; struct mutex phy_mutex; unsigned char suspend_count; + unsigned char pkt_cnt, pkt_err; /* i/o info: pipes etc */ unsigned in, out; @@ -70,6 +71,7 @@ struct usbnet { # define EVENT_DEV_OPEN 7 # define EVENT_DEVICE_REPORT_IDLE 8 # define EVENT_NO_RUNTIME_PM 9 +# define EVENT_RX_KILL 10 }; static inline struct usb_driver *driver_of(struct usb_interface *intf) @@ -100,7 +102,6 @@ struct driver_info { #define FLAG_LINK_INTR 0x0800 /* updates link (carrier) status */ #define FLAG_POINTTOPOINT 0x1000 /* possibly use "usb%d" names */ -#define FLAG_NOARP 0x2000 /* device can't do ARP */ /* * Indicates to usbnet, that USB driver accumulates multiple IP packets. @@ -108,6 +109,7 @@ struct driver_info { */ #define FLAG_MULTI_PACKET 0x2000 #define FLAG_RX_ASSEMBLE 0x4000 /* rx packets may span >1 frames */ +#define FLAG_NOARP 0x8000 /* device can't do ARP */ /* init device ... can sleep, or cause probe() failure */ int (*bind)(struct usbnet *, struct usb_interface *); diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h index 498433dd067d..938b7fd11204 100644 --- a/include/net/transp_v6.h +++ b/include/net/transp_v6.h @@ -34,17 +34,17 @@ extern int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); -extern int datagram_recv_ctl(struct sock *sk, - struct msghdr *msg, - struct sk_buff *skb); - -extern int datagram_send_ctl(struct net *net, - struct sock *sk, - struct msghdr *msg, - struct flowi6 *fl6, - struct ipv6_txoptions *opt, - int *hlimit, int *tclass, - int *dontfrag); +extern int ip6_datagram_recv_ctl(struct sock *sk, + struct msghdr *msg, + struct sk_buff *skb); + +extern int ip6_datagram_send_ctl(struct net *net, + struct sock *sk, + struct msghdr *msg, + struct flowi6 *fl6, + struct ipv6_txoptions *opt, + int *hlimit, int *tclass, + int *dontfrag); #define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006) diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 50598472dc41..f738e25377ff 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -152,6 +152,12 @@ #define USB_INTRF_FUNC_SUSPEND_LP (1 << (8 + 0)) #define USB_INTRF_FUNC_SUSPEND_RW (1 << (8 + 1)) +/* + * Interface status, Figure 9-5 USB 3.0 spec + */ +#define USB_INTRF_STAT_FUNC_RW_CAP 1 +#define USB_INTRF_STAT_FUNC_RW 2 + #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ /* Bit array elements as returned by the USB_REQ_GET_STATUS request. */ diff --git a/kernel/events/core.c b/kernel/events/core.c index 301079d06f24..7b6646a8c067 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -908,6 +908,15 @@ list_add_event(struct perf_event *event, struct perf_event_context *ctx) } /* + * Initialize event state based on the perf_event_attr::disabled. + */ +static inline void perf_event__state_init(struct perf_event *event) +{ + event->state = event->attr.disabled ? PERF_EVENT_STATE_OFF : + PERF_EVENT_STATE_INACTIVE; +} + +/* * Called at perf_event creation and when events are attached/detached from a * group. */ @@ -6179,8 +6188,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, event->overflow_handler = overflow_handler; event->overflow_handler_context = context; - if (attr->disabled) - event->state = PERF_EVENT_STATE_OFF; + perf_event__state_init(event); pmu = NULL; @@ -6609,9 +6617,17 @@ SYSCALL_DEFINE5(perf_event_open, mutex_lock(&gctx->mutex); perf_remove_from_context(group_leader); + + /* + * Removing from the context ends up with disabled + * event. What we want here is event in the initial + * startup state, ready to be add into new context. + */ + perf_event__state_init(group_leader); list_for_each_entry(sibling, &group_leader->sibling_list, group_entry) { perf_remove_from_context(sibling); + perf_event__state_init(sibling); put_ctx(gctx); } mutex_unlock(&gctx->mutex); diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h index f6e5ec2932b4..c1cc7e17ff9d 100644 --- a/kernel/rcutree_plugin.h +++ b/kernel/rcutree_plugin.h @@ -40,8 +40,7 @@ #ifdef CONFIG_RCU_NOCB_CPU static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */ static bool have_rcu_nocb_mask; /* Was rcu_nocb_mask allocated? */ -static bool rcu_nocb_poll; /* Offload kthread are to poll. */ -module_param(rcu_nocb_poll, bool, 0444); +static bool __read_mostly rcu_nocb_poll; /* Offload kthread are to poll. */ static char __initdata nocb_buf[NR_CPUS * 5]; #endif /* #ifdef CONFIG_RCU_NOCB_CPU */ @@ -2159,6 +2158,13 @@ static int __init rcu_nocb_setup(char *str) } __setup("rcu_nocbs=", rcu_nocb_setup); +static int __init parse_rcu_nocb_poll(char *arg) +{ + rcu_nocb_poll = 1; + return 0; +} +early_param("rcu_nocb_poll", parse_rcu_nocb_poll); + /* Is the specified CPU a no-CPUs CPU? */ static bool is_nocb_cpu(int cpu) { @@ -2366,10 +2372,11 @@ static int rcu_nocb_kthread(void *arg) for (;;) { /* If not polling, wait for next batch of callbacks. */ if (!rcu_nocb_poll) - wait_event(rdp->nocb_wq, rdp->nocb_head); + wait_event_interruptible(rdp->nocb_wq, rdp->nocb_head); list = ACCESS_ONCE(rdp->nocb_head); if (!list) { schedule_timeout_interruptible(1); + flush_signals(current); continue; } diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 2cd3c1b4e582..7ae4c4c5420e 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -222,8 +222,8 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) cfs_rq->runnable_load_avg); SEQ_printf(m, " .%-30s: %lld\n", "blocked_load_avg", cfs_rq->blocked_load_avg); - SEQ_printf(m, " .%-30s: %ld\n", "tg_load_avg", - atomic64_read(&cfs_rq->tg->load_avg)); + SEQ_printf(m, " .%-30s: %lld\n", "tg_load_avg", + (unsigned long long)atomic64_read(&cfs_rq->tg->load_avg)); SEQ_printf(m, " .%-30s: %lld\n", "tg_load_contrib", cfs_rq->tg_load_contrib); SEQ_printf(m, " .%-30s: %d\n", "tg_runnable_contrib", diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 5eea8707234a..81fa53643409 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2663,7 +2663,7 @@ static void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b) hrtimer_cancel(&cfs_b->slack_timer); } -static void unthrottle_offline_cfs_rqs(struct rq *rq) +static void __maybe_unused unthrottle_offline_cfs_rqs(struct rq *rq) { struct cfs_rq *cfs_rq; diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 418feb01344e..4f02b2847357 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -566,7 +566,7 @@ static inline struct rt_bandwidth *sched_rt_bandwidth(struct rt_rq *rt_rq) static int do_balance_runtime(struct rt_rq *rt_rq) { struct rt_bandwidth *rt_b = sched_rt_bandwidth(rt_rq); - struct root_domain *rd = cpu_rq(smp_processor_id())->rd; + struct root_domain *rd = rq_of_rt_rq(rt_rq)->rd; int i, weight, more = 0; u64 rt_period; diff --git a/lib/digsig.c b/lib/digsig.c index 8c0e62975c88..dc2be7ed1765 100644 --- a/lib/digsig.c +++ b/lib/digsig.c @@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key *key, memset(out1, 0, head); memcpy(out1 + head, p, l); + kfree(p); + err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len); if (err) goto err; diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 6001ee6347a9..b5783d81eda9 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1257,6 +1257,10 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, if (flags & FOLL_WRITE && !pmd_write(*pmd)) goto out; + /* Avoid dumping huge zero page */ + if ((flags & FOLL_DUMP) && is_huge_zero_pmd(*pmd)) + return ERR_PTR(-EFAULT); + page = pmd_page(*pmd); VM_BUG_ON(!PageHead(page)); if (flags & FOLL_TOUCH) { diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 4f3ea0b1e57c..546db81820e4 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -3033,6 +3033,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma, if (!huge_pte_none(huge_ptep_get(ptep))) { pte = huge_ptep_get_and_clear(mm, address, ptep); pte = pte_mkhuge(pte_modify(pte, newprot)); + pte = arch_make_huge_pte(pte, vma, NULL, 0); set_huge_pte_at(mm, address, ptep, pte); pages++; } diff --git a/mm/migrate.c b/mm/migrate.c index c38778610aa8..2fd8b4af4744 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -160,8 +160,10 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma, if (is_write_migration_entry(entry)) pte = pte_mkwrite(pte); #ifdef CONFIG_HUGETLB_PAGE - if (PageHuge(new)) + if (PageHuge(new)) { pte = pte_mkhuge(pte); + pte = arch_make_huge_pte(pte, vma, new, 0); + } #endif flush_cache_page(vma, addr, pte_pfn(pte)); set_pte_at(mm, addr, ptep, pte); diff --git a/mm/mmap.c b/mm/mmap.c index 35730ee9d515..d1e4124f3d0e 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2943,7 +2943,7 @@ static void vm_lock_mapping(struct mm_struct *mm, struct address_space *mapping) * vma in this mm is backed by the same anon_vma or address_space. * * We can take all the locks in random order because the VM code - * taking i_mmap_mutex or anon_vma->mutex outside the mmap_sem never + * taking i_mmap_mutex or anon_vma->rwsem outside the mmap_sem never * takes more than one of them in a row. Secondly we're protected * against a concurrent mm_take_all_locks() by the mm_all_locks_mutex. * diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 25bfce0666eb..4925a02ae7e4 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -249,12 +249,12 @@ static void hci_conn_disconnect(struct hci_conn *conn) __u8 reason = hci_proto_disconn_ind(conn); switch (conn->type) { - case ACL_LINK: - hci_acl_disconn(conn, reason); - break; case AMP_LINK: hci_amp_disconn(conn, reason); break; + default: + hci_acl_disconn(conn, reason); + break; } } diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 68a9587c9694..5abefb12891d 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -859,6 +859,19 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb) skb_pull(skb, sizeof(code)); + /* + * The SMP context must be initialized for all other PDUs except + * pairing and security requests. If we get any other PDU when + * not initialized simply disconnect (done if this function + * returns an error). + */ + if (code != SMP_CMD_PAIRING_REQ && code != SMP_CMD_SECURITY_REQ && + !conn->smp_chan) { + BT_ERR("Unexpected SMP command 0x%02x. Disconnecting.", code); + kfree_skb(skb); + return -ENOTSUPP; + } + switch (code) { case SMP_CMD_PAIRING_REQ: reason = smp_cmd_pairing_req(conn, skb); diff --git a/net/core/pktgen.c b/net/core/pktgen.c index b29dacf900f9..e6e1cbe863f5 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -1781,10 +1781,13 @@ static ssize_t pktgen_thread_write(struct file *file, return -EFAULT; i += len; mutex_lock(&pktgen_thread_lock); - pktgen_add_device(t, f); + ret = pktgen_add_device(t, f); mutex_unlock(&pktgen_thread_lock); - ret = count; - sprintf(pg_result, "OK: add_device=%s", f); + if (!ret) { + ret = count; + sprintf(pg_result, "OK: add_device=%s", f); + } else + sprintf(pg_result, "ERROR: can not add device %s", f); goto out; } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index a9a2ae3e2213..32443ebc3e89 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -683,7 +683,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->network_header = old->network_header; new->mac_header = old->mac_header; new->inner_transport_header = old->inner_transport_header; - new->inner_network_header = old->inner_transport_header; + new->inner_network_header = old->inner_network_header; skb_dst_copy(new, old); new->rxhash = old->rxhash; new->ooo_okay = old->ooo_okay; diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index 291f2ed7cc31..cdf2e707bb10 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c @@ -310,6 +310,12 @@ void tcp_slow_start(struct tcp_sock *tp) { int cnt; /* increase in packets */ unsigned int delta = 0; + u32 snd_cwnd = tp->snd_cwnd; + + if (unlikely(!snd_cwnd)) { + pr_err_once("snd_cwnd is nul, please report this bug.\n"); + snd_cwnd = 1U; + } /* RFC3465: ABC Slow start * Increase only after a full MSS of bytes is acked @@ -324,7 +330,7 @@ void tcp_slow_start(struct tcp_sock *tp) if (sysctl_tcp_max_ssthresh > 0 && tp->snd_cwnd > sysctl_tcp_max_ssthresh) cnt = sysctl_tcp_max_ssthresh >> 1; /* limited slow start */ else - cnt = tp->snd_cwnd; /* exponential increase */ + cnt = snd_cwnd; /* exponential increase */ /* RFC3465: ABC * We MAY increase by 2 if discovered delayed ack @@ -334,11 +340,11 @@ void tcp_slow_start(struct tcp_sock *tp) tp->bytes_acked = 0; tp->snd_cwnd_cnt += cnt; - while (tp->snd_cwnd_cnt >= tp->snd_cwnd) { - tp->snd_cwnd_cnt -= tp->snd_cwnd; + while (tp->snd_cwnd_cnt >= snd_cwnd) { + tp->snd_cwnd_cnt -= snd_cwnd; delta++; } - tp->snd_cwnd = min(tp->snd_cwnd + delta, tp->snd_cwnd_clamp); + tp->snd_cwnd = min(snd_cwnd + delta, tp->snd_cwnd_clamp); } EXPORT_SYMBOL_GPL(tcp_slow_start); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 18f97ca76b00..ad70a962c20e 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3504,6 +3504,11 @@ static bool tcp_process_frto(struct sock *sk, int flag) } } else { if (!(flag & FLAG_DATA_ACKED) && (tp->frto_counter == 1)) { + if (!tcp_packets_in_flight(tp)) { + tcp_enter_frto_loss(sk, 2, flag); + return true; + } + /* Prevent sending of new data. */ tp->snd_cwnd = min(tp->snd_cwnd, tcp_packets_in_flight(tp)); @@ -5649,8 +5654,7 @@ static bool tcp_rcv_fastopen_synack(struct sock *sk, struct sk_buff *synack, * the remote receives only the retransmitted (regular) SYNs: either * the original SYN-data or the corresponding SYN-ACK is lost. */ - syn_drop = (cookie->len <= 0 && data && - inet_csk(sk)->icsk_retransmits); + syn_drop = (cookie->len <= 0 && data && tp->total_retrans); tcp_fastopen_cache_set(sk, mss, cookie, syn_drop); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 70b09ef2463b..eadb693eef55 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -496,6 +496,7 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) * errors returned from accept(). */ inet_csk_reqsk_queue_drop(sk, req, prev); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); goto out; case TCP_SYN_SENT: @@ -1500,8 +1501,10 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) * clogging syn queue with openreqs with exponentially increasing * timeout. */ - if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) + if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) { + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS); goto drop; + } req = inet_reqsk_alloc(&tcp_request_sock_ops); if (!req) @@ -1666,6 +1669,7 @@ drop_and_release: drop_and_free: reqsk_free(req); drop: + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return 0; } EXPORT_SYMBOL(tcp_v4_conn_request); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 420e56326384..1b5d8cb9b123 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1660,6 +1660,7 @@ static int addrconf_ifid_eui64(u8 *eui, struct net_device *dev) if (dev->addr_len != IEEE802154_ADDR_LEN) return -1; memcpy(eui, dev->dev_addr, 8); + eui[0] ^= 2; return 0; } diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 8edf2601065a..7a778b9a7b85 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -380,7 +380,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len) if (skb->protocol == htons(ETH_P_IPV6)) { sin->sin6_addr = ipv6_hdr(skb)->saddr; if (np->rxopt.all) - datagram_recv_ctl(sk, msg, skb); + ip6_datagram_recv_ctl(sk, msg, skb); if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL) sin->sin6_scope_id = IP6CB(skb)->iif; } else { @@ -468,7 +468,8 @@ out: } -int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) +int ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg, + struct sk_buff *skb) { struct ipv6_pinfo *np = inet6_sk(sk); struct inet6_skb_parm *opt = IP6CB(skb); @@ -597,11 +598,12 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) } return 0; } +EXPORT_SYMBOL_GPL(ip6_datagram_recv_ctl); -int datagram_send_ctl(struct net *net, struct sock *sk, - struct msghdr *msg, struct flowi6 *fl6, - struct ipv6_txoptions *opt, - int *hlimit, int *tclass, int *dontfrag) +int ip6_datagram_send_ctl(struct net *net, struct sock *sk, + struct msghdr *msg, struct flowi6 *fl6, + struct ipv6_txoptions *opt, + int *hlimit, int *tclass, int *dontfrag) { struct in6_pktinfo *src_info; struct cmsghdr *cmsg; @@ -871,4 +873,4 @@ int datagram_send_ctl(struct net *net, struct sock *sk, exit_f: return err; } -EXPORT_SYMBOL_GPL(datagram_send_ctl); +EXPORT_SYMBOL_GPL(ip6_datagram_send_ctl); diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 29124b7a04c8..d6de4b447250 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -365,8 +365,8 @@ fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq, msg.msg_control = (void*)(fl->opt+1); memset(&flowi6, 0, sizeof(flowi6)); - err = datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt, &junk, - &junk, &junk); + err = ip6_datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt, + &junk, &junk, &junk); if (err) goto done; err = -EINVAL; diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index c727e4712751..131dd097736d 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -960,7 +960,7 @@ static netdev_tx_t ip6gre_tunnel_xmit(struct sk_buff *skb, int ret; if (!ip6_tnl_xmit_ctl(t)) - return -1; + goto tx_err; switch (skb->protocol) { case htons(ETH_P_IP): diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index ee94d31c9d4d..d1e2e8ef29c5 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -476,8 +476,8 @@ sticky_done: msg.msg_controllen = optlen; msg.msg_control = (void*)(opt+1); - retv = datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, &junk, - &junk); + retv = ip6_datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, + &junk, &junk); if (retv) goto done; update: @@ -1002,7 +1002,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, release_sock(sk); if (skb) { - int err = datagram_recv_ctl(sk, &msg, skb); + int err = ip6_datagram_recv_ctl(sk, &msg, skb); kfree_skb(skb); if (err) return err; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 6cd29b1e8b92..70fa81449997 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -507,7 +507,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk, sock_recv_ts_and_drops(msg, sk, skb); if (np->rxopt.all) - datagram_recv_ctl(sk, msg, skb); + ip6_datagram_recv_ctl(sk, msg, skb); err = copied; if (flags & MSG_TRUNC) @@ -822,8 +822,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(struct ipv6_txoptions); - err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, - &hlimit, &tclass, &dontfrag); + err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index e229a3bc345d..363d8b7772e8 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -928,7 +928,7 @@ restart: dst_hold(&rt->dst); read_unlock_bh(&table->tb6_lock); - if (!rt->n && !(rt->rt6i_flags & RTF_NONEXTHOP)) + if (!rt->n && !(rt->rt6i_flags & (RTF_NONEXTHOP | RTF_LOCAL))) nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr); else if (!(rt->dst.flags & DST_HOST)) nrt = rt6_alloc_clone(rt, &fl6->daddr); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 93825dd3a7c0..4f43537197ef 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -423,6 +423,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, } inet_csk_reqsk_queue_drop(sk, req, prev); + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); goto out; case TCP_SYN_SENT: @@ -958,8 +959,10 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) goto drop; } - if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) + if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) { + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS); goto drop; + } req = inet6_reqsk_alloc(&tcp6_request_sock_ops); if (req == NULL) @@ -1108,6 +1111,7 @@ drop_and_release: drop_and_free: reqsk_free(req); drop: + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS); return 0; /* don't send reset */ } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index dfaa29b8b293..fb083295ff0b 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -443,7 +443,7 @@ try_again: ip_cmsg_recv(msg, skb); } else { if (np->rxopt.all) - datagram_recv_ctl(sk, msg, skb); + ip6_datagram_recv_ctl(sk, msg, skb); } err = copied; @@ -1153,8 +1153,8 @@ do_udp_sendmsg: memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(*opt); - err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, - &hlimit, &tclass, &dontfrag); + err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 1a9f3723c13c..2ac884d0e89b 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -168,6 +168,51 @@ l2tp_session_id_hash_2(struct l2tp_net *pn, u32 session_id) } +/* Lookup the tunnel socket, possibly involving the fs code if the socket is + * owned by userspace. A struct sock returned from this function must be + * released using l2tp_tunnel_sock_put once you're done with it. + */ +struct sock *l2tp_tunnel_sock_lookup(struct l2tp_tunnel *tunnel) +{ + int err = 0; + struct socket *sock = NULL; + struct sock *sk = NULL; + + if (!tunnel) + goto out; + + if (tunnel->fd >= 0) { + /* Socket is owned by userspace, who might be in the process + * of closing it. Look the socket up using the fd to ensure + * consistency. + */ + sock = sockfd_lookup(tunnel->fd, &err); + if (sock) + sk = sock->sk; + } else { + /* Socket is owned by kernelspace */ + sk = tunnel->sock; + } + +out: + return sk; +} +EXPORT_SYMBOL_GPL(l2tp_tunnel_sock_lookup); + +/* Drop a reference to a tunnel socket obtained via. l2tp_tunnel_sock_put */ +void l2tp_tunnel_sock_put(struct sock *sk) +{ + struct l2tp_tunnel *tunnel = l2tp_sock_to_tunnel(sk); + if (tunnel) { + if (tunnel->fd >= 0) { + /* Socket is owned by userspace */ + sockfd_put(sk->sk_socket); + } + sock_put(sk); + } +} +EXPORT_SYMBOL_GPL(l2tp_tunnel_sock_put); + /* Lookup a session by id in the global session list */ static struct l2tp_session *l2tp_session_find_2(struct net *net, u32 session_id) @@ -1123,8 +1168,6 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len struct udphdr *uh; struct inet_sock *inet; __wsum csum; - int old_headroom; - int new_headroom; int headroom; int uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; int udp_len; @@ -1136,16 +1179,12 @@ int l2tp_xmit_skb(struct l2tp_session *session, struct sk_buff *skb, int hdr_len */ headroom = NET_SKB_PAD + sizeof(struct iphdr) + uhlen + hdr_len; - old_headroom = skb_headroom(skb); if (skb_cow_head(skb, headroom)) { kfree_skb(skb); return NET_XMIT_DROP; } - new_headroom = skb_headroom(skb); skb_orphan(skb); - skb->truesize += new_headroom - old_headroom; - /* Setup L2TP header */ session->build_header(session, __skb_push(skb, hdr_len)); @@ -1607,6 +1646,7 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32 tunnel->old_sk_destruct = sk->sk_destruct; sk->sk_destruct = &l2tp_tunnel_destruct; tunnel->sock = sk; + tunnel->fd = fd; lockdep_set_class_and_name(&sk->sk_lock.slock, &l2tp_socket_class, "l2tp_sock"); sk->sk_allocation = GFP_ATOMIC; @@ -1642,24 +1682,32 @@ EXPORT_SYMBOL_GPL(l2tp_tunnel_create); */ int l2tp_tunnel_delete(struct l2tp_tunnel *tunnel) { - int err = 0; - struct socket *sock = tunnel->sock ? tunnel->sock->sk_socket : NULL; + int err = -EBADF; + struct socket *sock = NULL; + struct sock *sk = NULL; + + sk = l2tp_tunnel_sock_lookup(tunnel); + if (!sk) + goto out; + + sock = sk->sk_socket; + BUG_ON(!sock); /* Force the tunnel socket to close. This will eventually * cause the tunnel to be deleted via the normal socket close * mechanisms when userspace closes the tunnel socket. */ - if (sock != NULL) { - err = inet_shutdown(sock, 2); + err = inet_shutdown(sock, 2); - /* If the tunnel's socket was created by the kernel, - * close the socket here since the socket was not - * created by userspace. - */ - if (sock->file == NULL) - err = inet_release(sock); - } + /* If the tunnel's socket was created by the kernel, + * close the socket here since the socket was not + * created by userspace. + */ + if (sock->file == NULL) + err = inet_release(sock); + l2tp_tunnel_sock_put(sk); +out: return err; } EXPORT_SYMBOL_GPL(l2tp_tunnel_delete); diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 56d583e083a7..e62204cad4fe 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -188,7 +188,8 @@ struct l2tp_tunnel { int (*recv_payload_hook)(struct sk_buff *skb); void (*old_sk_destruct)(struct sock *); struct sock *sock; /* Parent socket */ - int fd; + int fd; /* Parent fd, if tunnel socket + * was created by userspace */ uint8_t priv[0]; /* private data */ }; @@ -228,6 +229,8 @@ out: return tunnel; } +extern struct sock *l2tp_tunnel_sock_lookup(struct l2tp_tunnel *tunnel); +extern void l2tp_tunnel_sock_put(struct sock *sk); extern struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunnel, u32 session_id); extern struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth); extern struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname); diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index 927547171bc7..8ee4a86ae996 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -554,8 +554,8 @@ static int l2tp_ip6_sendmsg(struct kiocb *iocb, struct sock *sk, memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(struct ipv6_txoptions); - err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, - &hlimit, &tclass, &dontfrag); + err = ip6_datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; @@ -646,7 +646,7 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t len, int noblock, int flags, int *addr_len) { - struct inet_sock *inet = inet_sk(sk); + struct ipv6_pinfo *np = inet6_sk(sk); struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *)msg->msg_name; size_t copied = 0; int err = -EOPNOTSUPP; @@ -688,8 +688,8 @@ static int l2tp_ip6_recvmsg(struct kiocb *iocb, struct sock *sk, lsa->l2tp_scope_id = IP6CB(skb)->iif; } - if (inet->cmsg_flags) - ip_cmsg_recv(msg, skb); + if (np->rxopt.all) + ip6_datagram_recv_ctl(sk, msg, skb); if (flags & MSG_TRUNC) copied = skb->len; diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 286366ef8930..716605c241f4 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -388,8 +388,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) struct l2tp_session *session; struct l2tp_tunnel *tunnel; struct pppol2tp_session *ps; - int old_headroom; - int new_headroom; int uhlen, headroom; if (sock_flag(sk, SOCK_DEAD) || !(sk->sk_state & PPPOX_CONNECTED)) @@ -408,7 +406,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) if (tunnel == NULL) goto abort_put_sess; - old_headroom = skb_headroom(skb); uhlen = (tunnel->encap == L2TP_ENCAPTYPE_UDP) ? sizeof(struct udphdr) : 0; headroom = NET_SKB_PAD + sizeof(struct iphdr) + /* IP header */ @@ -418,9 +415,6 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) if (skb_cow_head(skb, headroom)) goto abort_put_sess_tun; - new_headroom = skb_headroom(skb); - skb->truesize += new_headroom - old_headroom; - /* Setup PPP header */ __skb_push(skb, sizeof(ppph)); skb->data[0] = ppph[0]; diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c index a9327e2e48ce..670cbc3518de 100644 --- a/net/openvswitch/vport-netdev.c +++ b/net/openvswitch/vport-netdev.c @@ -35,10 +35,11 @@ /* Must be called with rcu_read_lock. */ static void netdev_port_receive(struct vport *vport, struct sk_buff *skb) { - if (unlikely(!vport)) { - kfree_skb(skb); - return; - } + if (unlikely(!vport)) + goto error; + + if (unlikely(skb_warn_if_lro(skb))) + goto error; /* Make our own copy of the packet. Otherwise we will mangle the * packet for anyone who came before us (e.g. tcpdump via AF_PACKET). @@ -50,6 +51,10 @@ static void netdev_port_receive(struct vport *vport, struct sk_buff *skb) skb_push(skb, ETH_HLEN); ovs_vport_receive(vport, skb); + return; + +error: + kfree_skb(skb); } /* Called with rcu_read_lock and bottom-halves disabled. */ @@ -169,9 +174,6 @@ static int netdev_send(struct vport *vport, struct sk_buff *skb) goto error; } - if (unlikely(skb_warn_if_lro(skb))) - goto error; - skb->dev = netdev_vport->dev; len = skb->len; dev_queue_xmit(skb); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index e639645e8fec..c111bd0e083a 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2361,13 +2361,15 @@ static int packet_release(struct socket *sock) packet_flush_mclist(sk); - memset(&req_u, 0, sizeof(req_u)); - - if (po->rx_ring.pg_vec) + if (po->rx_ring.pg_vec) { + memset(&req_u, 0, sizeof(req_u)); packet_set_ring(sk, &req_u, 1, 0); + } - if (po->tx_ring.pg_vec) + if (po->tx_ring.pg_vec) { + memset(&req_u, 0, sizeof(req_u)); packet_set_ring(sk, &req_u, 1, 1); + } fanout_release(sk); diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index 298c0ddfb57e..3d2acc7a9c80 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -438,18 +438,18 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) if (q->rate) { struct sk_buff_head *list = &sch->q; - delay += packet_len_2_sched_time(skb->len, q); - if (!skb_queue_empty(list)) { /* - * Last packet in queue is reference point (now). - * First packet in queue is already in flight, - * calculate this time bonus and substract + * Last packet in queue is reference point (now), + * calculate this time bonus and subtract * from delay. */ - delay -= now - netem_skb_cb(skb_peek(list))->time_to_send; + delay -= netem_skb_cb(skb_peek_tail(list))->time_to_send - now; + delay = max_t(psched_tdiff_t, 0, delay); now = netem_skb_cb(skb_peek_tail(list))->time_to_send; } + + delay += packet_len_2_sched_time(skb->len, q); } cb->time_to_send = now + delay; diff --git a/net/sctp/auth.c b/net/sctp/auth.c index 159b9bc5d633..d8420ae614dc 100644 --- a/net/sctp/auth.c +++ b/net/sctp/auth.c @@ -71,7 +71,7 @@ void sctp_auth_key_put(struct sctp_auth_bytes *key) return; if (atomic_dec_and_test(&key->refcnt)) { - kfree(key); + kzfree(key); SCTP_DBG_OBJCNT_DEC(keys); } } diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 17a001bac2cc..1a9c5fb77310 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -249,6 +249,8 @@ void sctp_endpoint_free(struct sctp_endpoint *ep) /* Final destructor for endpoint. */ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) { + int i; + SCTP_ASSERT(ep->base.dead, "Endpoint is not dead", return); /* Free up the HMAC transform. */ @@ -271,6 +273,9 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) sctp_inq_free(&ep->base.inqueue); sctp_bind_addr_free(&ep->base.bind_addr); + for (i = 0; i < SCTP_HOW_MANY_SECRETS; ++i) + memset(&ep->secret_key[i], 0, SCTP_SECRET_SIZE); + /* Remove and free the port */ if (sctp_sk(ep->base.sk)->bind_hash) sctp_put_port(ep->base.sk); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 9e65758cb038..cedd9bf67b8c 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3390,7 +3390,7 @@ static int sctp_setsockopt_auth_key(struct sock *sk, ret = sctp_auth_set_key(sctp_sk(sk)->ep, asoc, authkey); out: - kfree(authkey); + kzfree(authkey); return ret; } diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 0a148c9d2a5c..0f679df7d072 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -465,7 +465,7 @@ static int svc_udp_get_dest_address4(struct svc_rqst *rqstp, } /* - * See net/ipv6/datagram.c : datagram_recv_ctl + * See net/ipv6/datagram.c : ip6_datagram_recv_ctl */ static int svc_udp_get_dest_address6(struct svc_rqst *rqstp, struct cmsghdr *cmh) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 01592d7d4789..45f1618c8e23 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1358,7 +1358,7 @@ ieee80211_bss(struct wiphy *wiphy, struct iw_request_info *info, &iwe, IW_EV_UINT_LEN); } - buf = kmalloc(30, GFP_ATOMIC); + buf = kmalloc(31, GFP_ATOMIC); if (buf) { memset(&iwe, 0, sizeof(iwe)); iwe.cmd = IWEVCUSTOM; diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile index bbbd276659ba..7203e66dcd6f 100644 --- a/samples/seccomp/Makefile +++ b/samples/seccomp/Makefile @@ -19,6 +19,7 @@ bpf-direct-objs := bpf-direct.o # Try to match the kernel target. ifndef CONFIG_64BIT +ifndef CROSS_COMPILE # s390 has -m31 flag to build 31 bit binaries ifndef CONFIG_S390 @@ -35,6 +36,7 @@ HOSTLOADLIBES_bpf-direct += $(MFLAG) HOSTLOADLIBES_bpf-fancy += $(MFLAG) HOSTLOADLIBES_dropper += $(MFLAG) endif +endif # Tell kbuild to always build the programs always := $(hostprogs-y) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 4d2c7dfdaabd..2bb08a962ce3 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -230,12 +230,12 @@ our $Inline = qr{inline|__always_inline|noinline}; our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]}; our $Lval = qr{$Ident(?:$Member)*}; -our $Float_hex = qr{(?i:0x[0-9a-f]+p-?[0-9]+[fl]?)}; -our $Float_dec = qr{(?i:((?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?))}; -our $Float_int = qr{(?i:[0-9]+e-?[0-9]+[fl]?)}; +our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?}; +our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?}; +our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?}; our $Float = qr{$Float_hex|$Float_dec|$Float_int}; -our $Constant = qr{(?:$Float|(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*))}; -our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)}; +our $Constant = qr{$Float|(?i)(?:0x[0-9a-f]+|[0-9]+)[ul]*}; +our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=}; our $Compare = qr{<=|>=|==|!=|<|>}; our $Operators = qr{ <=|>=|==|!=| diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index a210c8d7b4bc..3b98159d9645 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -108,13 +108,18 @@ if SND_IMX_SOC config SND_SOC_IMX_SSI tristate -config SND_SOC_IMX_PCM_FIQ +config SND_SOC_IMX_PCM tristate + +config SND_SOC_IMX_PCM_FIQ + bool select FIQ + select SND_SOC_IMX_PCM config SND_SOC_IMX_PCM_DMA - tristate + bool select SND_SOC_DMAENGINE_PCM + select SND_SOC_IMX_PCM config SND_SOC_IMX_AUDMUX tristate diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index ec1457915d7c..afd34794db53 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -41,10 +41,7 @@ endif obj-$(CONFIG_SND_SOC_IMX_SSI) += snd-soc-imx-ssi.o obj-$(CONFIG_SND_SOC_IMX_AUDMUX) += snd-soc-imx-audmux.o -obj-$(CONFIG_SND_SOC_IMX_PCM_FIQ) += snd-soc-imx-pcm-fiq.o -snd-soc-imx-pcm-fiq-y := imx-pcm-fiq.o imx-pcm.o -obj-$(CONFIG_SND_SOC_IMX_PCM_DMA) += snd-soc-imx-pcm-dma.o -snd-soc-imx-pcm-dma-y := imx-pcm-dma.o imx-pcm.o +obj-$(CONFIG_SND_SOC_IMX_PCM) += snd-soc-imx-pcm.o # i.MX Machine Support snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c index bf363d8d044a..500f8ce55d78 100644 --- a/sound/soc/fsl/imx-pcm-dma.c +++ b/sound/soc/fsl/imx-pcm-dma.c @@ -154,26 +154,7 @@ static struct snd_soc_platform_driver imx_soc_platform_mx2 = { .pcm_free = imx_pcm_free, }; -static int imx_soc_platform_probe(struct platform_device *pdev) +int imx_pcm_dma_init(struct platform_device *pdev) { return snd_soc_register_platform(&pdev->dev, &imx_soc_platform_mx2); } - -static int imx_soc_platform_remove(struct platform_device *pdev) -{ - snd_soc_unregister_platform(&pdev->dev); - return 0; -} - -static struct platform_driver imx_pcm_driver = { - .driver = { - .name = "imx-pcm-audio", - .owner = THIS_MODULE, - }, - .probe = imx_soc_platform_probe, - .remove = imx_soc_platform_remove, -}; - -module_platform_driver(imx_pcm_driver); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:imx-pcm-audio"); diff --git a/sound/soc/fsl/imx-pcm-fiq.c b/sound/soc/fsl/imx-pcm-fiq.c index 5ec362ae4d01..920f945cb2f4 100644 --- a/sound/soc/fsl/imx-pcm-fiq.c +++ b/sound/soc/fsl/imx-pcm-fiq.c @@ -281,7 +281,7 @@ static struct snd_soc_platform_driver imx_soc_platform_fiq = { .pcm_free = imx_pcm_fiq_free, }; -static int imx_soc_platform_probe(struct platform_device *pdev) +int imx_pcm_fiq_init(struct platform_device *pdev) { struct imx_ssi *ssi = platform_get_drvdata(pdev); int ret; @@ -314,23 +314,3 @@ failed_register: return ret; } - -static int imx_soc_platform_remove(struct platform_device *pdev) -{ - snd_soc_unregister_platform(&pdev->dev); - return 0; -} - -static struct platform_driver imx_pcm_driver = { - .driver = { - .name = "imx-fiq-pcm-audio", - .owner = THIS_MODULE, - }, - - .probe = imx_soc_platform_probe, - .remove = imx_soc_platform_remove, -}; - -module_platform_driver(imx_pcm_driver); - -MODULE_LICENSE("GPL"); diff --git a/sound/soc/fsl/imx-pcm.c b/sound/soc/fsl/imx-pcm.c index 0c9f188ddc68..0d0625bfcb65 100644 --- a/sound/soc/fsl/imx-pcm.c +++ b/sound/soc/fsl/imx-pcm.c @@ -31,6 +31,7 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, runtime->dma_bytes); return ret; } +EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap); static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream) { @@ -79,6 +80,7 @@ int imx_pcm_new(struct snd_soc_pcm_runtime *rtd) out: return ret; } +EXPORT_SYMBOL_GPL(imx_pcm_new); void imx_pcm_free(struct snd_pcm *pcm) { @@ -100,6 +102,39 @@ void imx_pcm_free(struct snd_pcm *pcm) buf->area = NULL; } } +EXPORT_SYMBOL_GPL(imx_pcm_free); + +static int imx_pcm_probe(struct platform_device *pdev) +{ + if (strcmp(pdev->id_entry->name, "imx-fiq-pcm-audio") == 0) + return imx_pcm_fiq_init(pdev); + + return imx_pcm_dma_init(pdev); +} + +static int imx_pcm_remove(struct platform_device *pdev) +{ + snd_soc_unregister_platform(&pdev->dev); + return 0; +} + +static struct platform_device_id imx_pcm_devtype[] = { + { .name = "imx-pcm-audio", }, + { .name = "imx-fiq-pcm-audio", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, imx_pcm_devtype); + +static struct platform_driver imx_pcm_driver = { + .driver = { + .name = "imx-pcm", + .owner = THIS_MODULE, + }, + .id_table = imx_pcm_devtype, + .probe = imx_pcm_probe, + .remove = imx_pcm_remove, +}; +module_platform_driver(imx_pcm_driver); MODULE_DESCRIPTION("Freescale i.MX PCM driver"); MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); diff --git a/sound/soc/fsl/imx-pcm.h b/sound/soc/fsl/imx-pcm.h index 83c0ed7d55c9..5ae13a13a353 100644 --- a/sound/soc/fsl/imx-pcm.h +++ b/sound/soc/fsl/imx-pcm.h @@ -30,4 +30,22 @@ int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, int imx_pcm_new(struct snd_soc_pcm_runtime *rtd); void imx_pcm_free(struct snd_pcm *pcm); +#ifdef CONFIG_SND_SOC_IMX_PCM_DMA +int imx_pcm_dma_init(struct platform_device *pdev); +#else +static inline int imx_pcm_dma_init(struct platform_device *pdev) +{ + return -ENODEV; +} +#endif + +#ifdef CONFIG_SND_SOC_IMX_PCM_FIQ +int imx_pcm_fiq_init(struct platform_device *pdev); +#else +static inline int imx_pcm_fiq_init(struct platform_device *pdev) +{ + return -ENODEV; +} +#endif + #endif /* _IMX_PCM_H */ diff --git a/tools/vm/.gitignore b/tools/vm/.gitignore new file mode 100644 index 000000000000..44f095fa2604 --- /dev/null +++ b/tools/vm/.gitignore @@ -0,0 +1,2 @@ +slabinfo +page-types |