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* dmi: Mark all struct dmi_system_id instances constChristoph Hellwig2017-09-1413-13/+13
| | | | | | | | | | | | | ... and __initconst if applicable. Based on similar work for an older kernel in the Grsecurity patch. [JD: fix toshiba-wmi build] [JD: add htcpen] [JD: move __initconst where checkscript wants it] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jean Delvare <jdelvare@suse.de>
* Merge tag 'platform-drivers-x86-v4.14-1' of ↵Linus Torvalds2017-09-0919-117/+271
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver updates from Darren Hart: "Several fixes from static analysis and message noise reduction. Correct WMI core and related drivers to evaluate instance number 0x0 in accordance with the documentation. Add intel-telemetry support for Gemini Lake. Various individual driver fixes noted below. dell-wmi: - Update dell_wmi_check_descriptor_buffer() to new model intel-vbtn: - reduce unnecessary messages for normal users - match power button on press rather than release intel-hid: - reduce unnecessary messages for normal users thinkpad_acpi: - Fix warning about deprecated hwmon_device_register wmi: - Fix check for method instance number ideapad-laptop: - Expose conservation mode switch intel_pmc_core: - Make the driver PCH family agnostic peaq-wmi: - Evaluate wmi method with instance number 0x0 - silence a static checker warning mxm-wmi: - Evaluate wmi method with instance number 0x0 asus-wmi: - Evaluate wmi method with instance number 0x0 intel_scu_ipc: - make intel_scu_ipc_pdata_t const intel_mid_powerbtn: - make mid_pb_ddata const - fix error return code in mid_pb_probe() hp-wmi: - Remove unused macro helper - Correctly determine method id in WMI calls dell-wmi: - Fix driver interface version query intel_telemetry: - remove redundant macro definition - Add GLK PSS Event Table alienware-wmi: - fix format string overflow warning ibm_rtl: - remove unnecessary static in ibm_rtl_write() msi-wmi: - remove unnecessary static in msi_wmi_notify()" * tag 'platform-drivers-x86-v4.14-1' of git://git.infradead.org/linux-platform-drivers-x86: (23 commits) platform/x86: dell-wmi: Update dell_wmi_check_descriptor_buffer() to new model platform/x86: intel-vbtn: reduce unnecessary messages for normal users platform/x86: intel-hid: reduce unnecessary messages for normal users platform/x86: thinkpad_acpi: Fix warning about deprecated hwmon_device_register platform/x86: wmi: Fix check for method instance number platform/x86: ideapad-laptop: Expose conservation mode switch platform/x86: intel_pmc_core: Make the driver PCH family agnostic platform/x86: peaq-wmi: Evaluate wmi method with instance number 0x0 platform/x86: mxm-wmi: Evaluate wmi method with instance number 0x0 platform/x86: asus-wmi: Evaluate wmi method with instance number 0x0 platform/x86: intel_scu_ipc: make intel_scu_ipc_pdata_t const platform/x86: intel_mid_powerbtn: make mid_pb_ddata const platform/x86: intel_mid_powerbtn: fix error return code in mid_pb_probe() platform/x86: hp-wmi: Remove unused macro helper platform/x86: hp-wmi: Correctly determine method id in WMI calls platform/x86: intel-vbtn: match power button on press rather than release platform/x86: dell-wmi: Fix driver interface version query platform/x86: intel_telemetry: remove redundant macro definition platform/x86: intel_telemetry: Add GLK PSS Event Table platform/x86: alienware-wmi: fix format string overflow warning ...
| * platform/x86: dell-wmi: Update dell_wmi_check_descriptor_buffer() to new modelAndy Lutomirski2017-08-191-30/+39
| | | | | | | | | | | | | | | | | | | | This converts dell_wmi_check_descriptor_buffer() to the new driver model interface and puts the interface version in dell_wmi_priv where it belongs. Signed-off-by: Andy Lutomirski <luto@kernel.org> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * platform/x86: intel-vbtn: reduce unnecessary messages for normal usersAlex Hung2017-08-191-1/+1
| | | | | | | | | | | | | | | | | | Unsupported events is only useful for developers and does not meaningful for users. Using dev_dbg makes more sense and reduces noise in kernel messages. Signed-off-by: Alex Hung <alex.hung@canonical.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * platform/x86: intel-hid: reduce unnecessary messages for normal usersAlex Hung2017-08-191-2/+2
| | | | | | | | | | | | | | | | | | Unsupported events is only useful for developers and does not meaningful for users. Using dev_dbg makes more sense and reduces noise in kernel messages. Signed-off-by: Alex Hung <alex.hung@canonical.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * platform/x86: thinkpad_acpi: Fix warning about deprecated hwmon_device_registerStanislav Fomichev2017-08-191-27/+11Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use hwmon_device_register_with_groups instead of deprecated hwmon_device_register and fix a dmesg warning. This patch however changes the userspace API. hwmon_device_register_with_groups takes `hwmon' name as an argument and creates a name file in the `hwmon' device, not in the `platform_device'. This allows us to remove custom `name' device attribute, but in order to make lm-sensors happy we also have to move fans and thermal attributes to the `hwmon' device. Even though this patch changes userspace API, it's still compatible with the lm-sensors. Starting with lm-sensors 3.0 (circa 2007), it looks at both hwmon and the backing device for the name and other attributes. before: $ cat /sys/devices/platform/thinkpad_hwmon/{name,fan1_input} thinkpad 2007 $ cat /sys/devices/platform/thinkpad_hwmon/hwmon/hwmon1/{name,fan1_input} cat: /sys/devices/platform/thinkpad_hwmon/hwmon/hwmon1/name: No such file or directory cat: /sys/devices/platform/thinkpad_hwmon/hwmon/hwmon1/fan1_input: No such file or directory $ cat /sys/class/hwmon/hwmon1/{name,fan1_input} cat: /sys/class/hwmon/hwmon1/name: No such file or directory cat: /sys/class/hwmon/hwmon1/fan1_input: No such file or directory $ sensors thinkpad-isa-0000 Adapter: ISA adapter fan1: 3533 RPM after: $ cat /sys/devices/platform/thinkpad_hwmon/{name,fan1_input} cat: /sys/devices/platform/thinkpad_hwmon/name: No such file or directory cat: /sys/devices/platform/thinkpad_hwmon/fan1_input: No such file or directory $ cat /sys/devices/platform/thinkpad_hwmon/hwmon/hwmon1/{name,fan1_input} thinkpad 3478 $ cat /sys/class/hwmon/hwmon1/{name,fan1_input} thinkpad 3478 $ sensors thinkpad-isa-0000 Adapter: ISA adapter fan1: 3489 RPM $ sensors -v sensors version 3.4.0 with libsensors version 3.4.0 Signed-off-by: Stanislav Fomichev <kernel@fomichev.me> [dvhart: cleaned up commit log, bumped version to 4.14 in the doc change] Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * platform/x86: wmi: Fix check for method instance numberPali Rohár2017-08-181-3/+3
| | | | | | | | | | | | | | | | | | | | instance_count defines number of instances of data block and instance itself is indexed from zero, which means first instance has number 0. Therefore check for invalid instance should be non-strict inequality. Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Reviewed-by: Darren Hart (VMware) <dvhart@infradead.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: ideapad-laptop: Expose conservation mode switchHao Wei Tee2017-08-141-0/+69
| | | | | | | | | | | | | | | | | | | | This exposes the battery conservation mode present on some (?) IdeaPads. The mode is set by calling ACPI method SBMC with argument 3 (on) or 5 (off). Status is reported in bit 5 of the return value of ACPI method GBMD. Signed-off-by: Hao Wei Tee <angelsl@in04.sg> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: intel_pmc_core: Make the driver PCH family agnosticSrinivas Pandruvada2017-08-132-11/+50
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Although this driver did pretty good job in abstracting PCH specific interfaces, but still there are some loose ends. For example SLP_S0 counter (for reading SLP_S0 residency), PM config offset (for checking permissions to read XRAM) and PPFEAR offset (for reading IP status) is still hardcoded for a specific family of PCH. This change extended the struct pmc_reg_map to allow per family configuration of offsets and bits. No functional change is expected with this change. This change allows seamless additions to new PCH and create a baseline for other platform specific extensions. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: peaq-wmi: Evaluate wmi method with instance number 0x0Pali Rohár2017-08-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | According to Hans de Goede, WMI interface of thh peaq-wmi module has 10 instances but corresponding ACPI WMBC method does not check Arg0 (instance number) at all. Therefore evaluate WMI method with first instance number (0x0) instead of second (0x1). Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Cc: Hans de Goede <hdegoede@redhat.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: mxm-wmi: Evaluate wmi method with instance number 0x0Pali Rohár2017-08-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to MXM 2.1 specification, there is the only one instance of the WMI GUID F6CB5C3C-9CAE-4EBD-B577-931EA32A2CC0 and so it is instance 0x0. MXM 2.1 specification: https://lekensteyn.nl/files/docs/mxm-2.1-software-spec.pdf _WDG dump: // Methods GUID {F6CB5C3C-9CAE-4EBD-B577-931EA32A2CC0} 0x3C, 0x5C, 0xCB, 0xF6, 0xAE, 0x9C, 0xBD, 0x4E, 0xB5, 0x77, 0x93, 0x1E, 0xA3, 0x2A, 0x2C, 0xC0, 0x4D, 0x58, // Object ID "MX" = method "WMMX" 1, // Instance Count 0x02, // Flags (WMIACPI_REGFLAG_METHOD) Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: asus-wmi: Evaluate wmi method with instance number 0x0Pali Rohár2017-08-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to available DSDT dump from Asus machine, there is the only one instance of the WMI GUID 97845ED0-4E6D-11DE-8A39-0800200C9A66 and so it is 0x0. Moreover corresponding method WMBC does not check Arg0 (instance number) at all. DSDT dump is available at: https://lwn.net/Articles/391249/ _WDG dump: 0xD0, 0x5E, 0x84, 0x97, 0x6D, 0x4E, 0xDE, 0x11, 0x8A, 0x39, 0x08, 0x00, 0x20, 0x0C, 0x9A, 0x66, 0x42, 0x43, // Object ID "BC" = method "WMBC" 0x01, // Instance count 0x02, // Flags Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: intel_scu_ipc: make intel_scu_ipc_pdata_t constBhumika Goyal2017-08-131-3/+3
| | | | | | | | | | | | | | | | | | Make these const as they are only used during a copy operation. Done using Coccinelle. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: intel_mid_powerbtn: make mid_pb_ddata constBhumika Goyal2017-08-131-2/+2
| | | | | | | | | | | | | | | | Make these const as they are only used during a copy operation. Done using Coccinelle. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: intel_mid_powerbtn: fix error return code in mid_pb_probe()Gustavo A. R. Silva2017-08-131-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | platform_get_irq() returns an error code, but the intel_mid_powerbtn driver ignores it and always returns -EINVAL. This is not correct and, prevents -EPROBE_DEFER from being propagated properly. Print error message and propagate the return value of platform_get_irq on failure. This issue was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: hp-wmi: Remove unused macro helperPaulo Alcantara2017-08-131-7/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | The commit d8193cff3390 ("platform/x86: hp-wmi: Standardize enum usage for constants") introduced a macro that had been never used. Remove it. Signed-off-by: Paulo Alcantara <pcacjr@zytor.com> [andy wrote commit message] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: hp-wmi: Correctly determine method id in WMI callsPaulo Alcantara2017-08-131-1/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The WMI queries are performed by evaluating the WMPV() method from ACPI DSDT tables, and it takes three arguments: instance index, method id and input data (buffer). Currently the method id is hard-coded to 0x3 in hp_wmi_perform_query() which means that it will perform WMI calls that expect an output data of size 0x80 (128). The output size is usually OK for the WMI queries we perform, however it would be better to pick the correct one before evaluating the WMI method. Which correct method id to choose can be figured out by looking at the following ASL code from WVPI() method: ... Name (PVSZ, Package (0x05) { Zero, 0x04, 0x80, 0x0400, 0x1000 }) Store (Zero, Local0) If (LAnd (LGreaterEqual (Arg1, One), LLessEqual (Arg1, 0x05))) { Store (DerefOf (Index (PVSZ, Subtract (Arg1, One))), Local0) } ... Arg1 is the method id and PVSZ is the package used to index the corresponding output size; 1 -> 0, 2 -> 4, 3 -> 128, 4 -> 1024, 5 -> 4096. This patch maps the output size passed in hp_wmi_perform_query() to the correct method id before evaluating the WMI method. Signed-off-by: Paulo Alcantara <pcacjr@zytor.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: intel-vbtn: match power button on press rather than releaseMario Limonciello2017-08-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a problem where the system gets stuck in a loop unable to wakeup via power button in s2idle. The problem happens because: - press power button: - system emits 0xc0 (power press), event ignored - system emits 0xc1 (power release), event processed, emited as KEY_POWER - set wakeup_mode to true - system goes to s2idle - press power button - system emits 0xc0 (power press), wakeup_mode is true, system wakes - system emits 0xc1 (power release), event processed, emited as KEY_POWER - system goes to s2idle again To avoid this situation, process the presses (which matches what intel-hid does too). Verified on an Dell XPS 9365 Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * platform/x86: dell-wmi: Fix driver interface version queryAndy Lutomirski2017-08-011-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When I converted dell-wmi to the new bus infrastructure, I left the call to dell_wmi_check_descriptor_buffer() in dell_wmi_init(). This could cause two problems: - An error message when loading the driver on a system without dell-wmi. We'd try to read the event descriptor even if the WMI GUID wasn't there. - A possible race if dell-wmi was loaded manually before wmi was fully initialized. Fix it by moving the call to the probe function where it belongs. Fixes: bff589be59c5 ("platform/x86: dell-wmi: Convert to the WMI bus infrastructure") Signed-off-by: Andy Lutomirski <luto@kernel.org> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * platform/x86: intel_telemetry: remove redundant macro definitionRajneesh Bhardwaj2017-07-251-1/+0Star
| | | | | | | | | | | | | | | | | | Telemetry driver includes intel_telemetry.h which defines TELEM_MAX_OS_ALLOCATED_EVENTS already. Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Reviewed-by: Souvik K Chakravarty <souvik.k.chakravarty@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: intel_telemetry: Add GLK PSS Event TableRajneesh Bhardwaj2017-07-252-0/+36
| | | | | | | | | | | | | | | | | | | | | | Some of the Primary Subsystem events differ on Gemini Lake but the IOSS events remain same. This patch adds the updated PSS event table to enable Telemetry driver on Gemini Lake. Signed-off-by: Shanth Murthy <shanth.murthy@intel.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Reviewed-by: Souvik K Chakravarty <souvik.k.chakravarty@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: alienware-wmi: fix format string overflow warningArnd Bergmann2017-07-251-19/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | gcc points out a possible format string overflow for a large value of 'zone': drivers/platform/x86/alienware-wmi.c: In function 'alienware_wmi_init': drivers/platform/x86/alienware-wmi.c:461:24: error: '%02X' directive writing between 2 and 8 bytes into a region of size 6 [-Werror=format-overflow=] sprintf(buffer, "zone%02X", i); ^~~~ drivers/platform/x86/alienware-wmi.c:461:19: note: directive argument in the range [0, 2147483646] sprintf(buffer, "zone%02X", i); ^~~~~~~~~~ drivers/platform/x86/alienware-wmi.c:461:3: note: 'sprintf' output between 7 and 13 bytes into a destination of size 10 This replaces the 'int' variable with an 'u8' to make sure it always fits, renaming the variable to 'zone' for clarity. Unfortunately, gcc-7.1.1 still warns about it with that change, which seems to be unintended by the gcc developers. I have opened a bug against gcc with a reduced test case. As a workaround, I also change the format string to use "%02hhX", which shuts up the warning in that version. Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81483 Link: https://patchwork.ozlabs.org/patch/788415/ Suggested-by: Andy Shevchenko <andy@infradead.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> [andy: added empty lines after u8 zone; definitions] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: ibm_rtl: remove unnecessary static in ibm_rtl_write()Gustavo A. R. Silva2017-07-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove unnecessary static on local variable cmd_port_val. Such variable is initialized before being used, on every execution path throughout the function. The static has no benefit and, removing it reduces the object file size. This issue was detected using Coccinelle and the following semantic patch: https://github.com/GustavoARSilva/coccinelle/blob/master/static/static_unused.cocci In the following log you can see a difference in the object file size. This log is the output of the size command, before and after the code change: before: text data bss dec hex filename 3932 3440 512 7884 1ecc drivers/platform/x86/ibm_rtl.o after: text data bss dec hex filename 3887 3384 448 7719 1e27 drivers/platform/x86/ibm_rtl.o Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: msi-wmi: remove unnecessary static in msi_wmi_notify()Gustavo A. R. Silva2017-07-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove unnecessary static on local variable _key_. Such variable is initialized before being used, on every execution path throughout the function. The static has no benefit and, removing it reduces the object file size. This issue was detected using Coccinelle and the following semantic patch: https://github.com/GustavoARSilva/coccinelle/blob/master/static/static_unused.cocci In the following log you can see a significant difference in the object file size. Also, there is a significant difference in the bss segment. This log is the output of the size command, before and after the code change: before: text data bss dec hex filename 6530 3736 320 10586 295a drivers/platform/x86/msi-wmi.o after: text data bss dec hex filename 6494 3648 256 10398 289e drivers/platform/x86/msi-wmi.o Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * platform/x86: peaq-wmi: silence a static checker warningDan Carpenter2017-07-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | There is a harmless static checker warning here that unsigned values are always >= 0. The code looks like: if (peaq_ignore_events_counter && --peaq_ignore_events_counter >= 0) The first part of the condition ensures that we never wrap around so the code works as intended. I've tweaked it slightly to avoid the warning. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
* | Merge branch 'pm-sleep'Rafael J. Wysocki2017-09-041-3/+14
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * pm-sleep: ACPI / PM: Check low power idle constraints for debug only PM / s2idle: Rename platform operations structure PM / s2idle: Rename ->enter_freeze to ->enter_s2idle PM / s2idle: Rename freeze_state enum and related items PM / s2idle: Rename PM_SUSPEND_FREEZE to PM_SUSPEND_TO_IDLE ACPI / PM: Prefer suspend-to-idle over S3 on some systems platform/x86: intel-hid: Wake up Dell Latitude 7275 from suspend-to-idle PM / suspend: Define pr_fmt() in suspend.c PM / suspend: Use mem_sleep_labels[] strings in messages PM / sleep: Put pm_test under CONFIG_PM_SLEEP_DEBUG PM / sleep: Check pm_wakeup_pending() in __device_suspend_noirq() PM / core: Add error argument to dpm_show_time() PM / core: Split dpm_suspend_noirq() and dpm_resume_noirq() PM / s2idle: Rearrange the main suspend-to-idle loop PM / timekeeping: Print debug messages when requested PM / sleep: Mark suspend/hibernation start and finish PM / sleep: Do not print debug messages by default PM / suspend: Export pm_suspend_target_state
| * | platform/x86: intel-hid: Wake up Dell Latitude 7275 from suspend-to-idleRafael J. Wysocki2017-08-011-3/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On Dell Latitude 7275 the 5-button array is not exposed in the ACPI tables, but still notifies are sent to the Intel HID device object (device ID INT33D5) in response to power button actions while suspended to idle. However, they are currently ignored as the intel-hid driver is not prepared to take care of them. As a result, power button wakeup from suspend-to-idle doesn't work on this platform, but suspend-to-idle is the only reliable suspend variant on it (the S3 implementation in the platform firmware turns out to be broken), so it would be good to handle it properly. For this reason, add an upfront check against the power button press event (0xCE) to notify_handler() in the wakeup mode which allows it to catch the power button wakeup notification on the affected platform (even though priv->array is NULL on it) and should not change the behavior on platforms with priv->array present (because priv->array contains the event in question in those cases). Link: https://bugzilla.kernel.org/show_bug.cgi?id=196115 Tested-by: Jérôme de Bretagne <jerome.debretagne@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-By: Mario Limonciello <mario.limonciello@dell.com>
* | | platform/x86: intel-vbtn: match power button on press rather than releaseMario Limonciello2017-08-051-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This fixes a problem where the system gets stuck in a loop unable to wakeup via power button in s2idle. The problem happens because: - press power button: - system emits 0xc0 (power press), event ignored - system emits 0xc1 (power release), event processed, emited as KEY_POWER - set wakeup_mode to true - system goes to s2idle - press power button - system emits 0xc0 (power press), wakeup_mode is true, system wakes - system emits 0xc1 (power release), event processed, emited as KEY_POWER - system goes to s2idle again To avoid this situation, process the presses (which matches what intel-hid does too). Verified on an Dell XPS 9365 Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
* | | platform/x86: dell-wmi: Fix driver interface version queryAndy Lutomirski2017-08-021-5/+7
| |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When I converted dell-wmi to the new bus infrastructure, I left the call to dell_wmi_check_descriptor_buffer() in dell_wmi_init(). This could cause two problems: - An error message when loading the driver on a system without dell-wmi. We'd try to read the event descriptor even if the WMI GUID wasn't there. - A possible race if dell-wmi was loaded manually before wmi was fully initialized. Fix it by moving the call to the probe function where it belongs. Fixes: bff589be59c5 ("platform/x86: dell-wmi: Convert to the WMI bus infrastructure") Signed-off-by: Andy Lutomirski <luto@kernel.org> Reviewed-by: Pali Rohár <pali.rohar@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
* | platform/x86: wmi: Fix error handling in acpi_wmi_init()Alexey Khoroshilov2017-07-221-3/+3
| | | | | | | | | | | | | | | | | | | | The order of resource deallocations is messed up in acpi_wmi_init(). It should be vice versa. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
* | platform/x86: peaq-wmi: select INPUT_POLLDEVArnd Bergmann2017-07-211-0/+1
|/ | | | | | | | | | | | | | | | | The new driver fails to build without INPUT_POLLDEV drivers/platform/x86/peaq-wmi.o: In function `peaq_wmi_exit': peaq-wmi.c:(.exit.text+0x1c): undefined reference to `input_unregister_polled_device' drivers/platform/x86/peaq-wmi.o: In function `peaq_wmi_init': peaq-wmi.c:(.init.text+0x23): undefined reference to `input_allocate_polled_device' peaq-wmi.c:(.init.text+0x18e): undefined reference to `input_register_polled_device' For some reason, all other drivers that need this use 'select' here rather than 'depends on', so I'm doing the same. Fixes: 13bb0fd5519d ("platform/x86: peaq-wmi: Add new peaq-wmi driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
* Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2017-07-151-65/+71
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull MIPS updates from Ralf Baechle: "Boston platform support: - Document DT bindings - Add CLK driver for board clocks CM: - Avoid per-core locking with CM3 & higher - WARN on attempt to lock invalid VP, not BUG CPS: - Select CONFIG_SYS_SUPPORTS_SCHED_SMT for MIPSr6 - Prevent multi-core with dcache aliasing - Handle cores not powering down more gracefully - Handle spurious VP starts more gracefully DSP: - Add lwx & lhx missaligned access support eBPF: - Add MIPS support along with many supporting change to add the required infrastructure Generic arch code: - Misc sysmips MIPS_ATOMIC_SET fixes - Drop duplicate HAVE_SYSCALL_TRACEPOINTS - Negate error syscall return in trace - Correct forced syscall errors - Traced negative syscalls should return -ENOSYS - Allow samples/bpf/tracex5 to access syscall arguments for sane traces - Cleanup from old Kconfig options in defconfigs - Fix PREF instruction usage by memcpy for MIPS R6 - Fix various special cases in the FPU eulation - Fix some special cases in MIPS16e2 support - Fix MIPS I ISA /proc/cpuinfo reporting - Sort MIPS Kconfig alphabetically - Fix minimum alignment requirement of IRQ stack as required by ABI / GCC - Fix special cases in the module loader - Perform post-DMA cache flushes on systems with MAARs - Probe the I6500 CPU - Cleanup cmpxchg and add support for 1 and 2 byte operations - Use queued read/write locks (qrwlock) - Use queued spinlocks (qspinlock) - Add CPU shared FTLB feature detection - Handle tlbex-tlbp race condition - Allow storing pgd in C0_CONTEXT for MIPSr6 - Use current_cpu_type() in m4kc_tlbp_war() - Support Boston in the generic kernel Generic platform: - yamon-dt: Pull YAMON DT shim code out of SEAD-3 board - yamon-dt: Support > 256MB of RAM - yamon-dt: Use serial* rather than uart* aliases - Abstract FDT fixup application - Set RTC_ALWAYS_BCD to 0 - Add a MAINTAINERS entry core kernel: - qspinlock.c: include linux/prefetch.h Loongson 3: - Add support Perf: - Add I6500 support SEAD-3: - Remove GIC timer from DT - Set interrupt-parent per-device, not at root node - Fix GIC interrupt specifiers SMP: - Skip IPI setup if we only have a single CPU VDSO: - Make comment match reality - Improvements to time code in VDSO" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (86 commits) locking/qspinlock: Include linux/prefetch.h MIPS: Fix MIPS I ISA /proc/cpuinfo reporting MIPS: Fix minimum alignment requirement of IRQ stack MIPS: generic: Support MIPS Boston development boards MIPS: DTS: img: Don't attempt to build-in all .dtb files clk: boston: Add a driver for MIPS Boston board clocks dt-bindings: Document img,boston-clock binding MIPS: Traced negative syscalls should return -ENOSYS MIPS: Correct forced syscall errors MIPS: Negate error syscall return in trace MIPS: Drop duplicate HAVE_SYSCALL_TRACEPOINTS select MIPS16e2: Provide feature overrides for non-MIPS16 systems MIPS: MIPS16e2: Report ASE presence in /proc/cpuinfo MIPS: MIPS16e2: Subdecode extended LWSP/SWSP instructions MIPS: MIPS16e2: Identify ASE presence MIPS: VDSO: Fix a mismatch between comment and preprocessor constant MIPS: VDSO: Add implementation of gettimeofday() fallback MIPS: VDSO: Add implementation of clock_gettime() fallback MIPS: VDSO: Fix conversions in do_monotonic()/do_monotonic_coarse() MIPS: Use current_cpu_type() in m4kc_tlbp_war() ...
| * MIPS: Loongson-3: Support 4 packages in CPU Hwmon driverHuacai Chen2017-06-291-61/+58Star
| | | | | | | | | | | | | | | | | | | | | | | | | | Loongson-3 machines may have as many as 4 physical packages. Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: John Crispin <john@phrozen.org> Cc: Steven J . Hill <Steven.Hill@cavium.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16588/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * MIPS: Loongson: Add Loongson-3A R3 basic supportHuacai Chen2017-06-281-4/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Loongson-3A R3 is very similar to Loongson-3A R2. All Loongson-3 CPU family: Code-name Brand-name PRId Loongson-3A R1 Loongson-3A1000 0x6305 Loongson-3A R2 Loongson-3A2000 0x6308 Loongson-3A R3 Loongson-3A3000 0x6309 Loongson-3B R1 Loongson-3B1000 0x6306 Loongson-3B R2 Loongson-3B1500 0x6307 Signed-off-by: Huacai Chen <chenhc@lemote.com> Cc: John Crispin <john@phrozen.org> Cc: Steven J . Hill <Steven.Hill@cavium.com> Cc: Fuxin Zhang <zhangfx@lemote.com> Cc: Zhangjin Wu <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16585/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | Merge tag 'platform-drivers-x86-v4.13-2' of ↵Linus Torvalds2017-07-1311-19/+165
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.infradead.org/linux-platform-drivers-x86 Pull more x86 platform driver updates from Darren Hart: "Add new platform matches for silead_dmi and ideapad-laptop. Several constify patches for attribute_group structures. Fixes for peaq-wmi and intel_telemetry. silead_dmi: - Add entry for Ployer Momo7w tablet touchscreen - Add touchscreen info for I.T.Works TW891 2-in-1 toshiba_acpi: - constify attribute_group structures. asus-wmi: - constify attribute_group structures. panasonic-laptop: - constify attribute_group structures. alienware-wmi: - constify attribute_group structures. samsung-laptop: - constify attribute_group structures. compal-laptop: - constify attribute_group structures. fujitsu-laptop: - constify attribute_group structures. - add NULL check on devm_kzalloc() return value peaq-wmi: - Fix peaq_ignore_events_counter handling off by 1 ideapad-laptop: - Fix indentation in DMI table - Add several models to no_hw_rfkill - Add IdeaPad V510-15IKB to no_hw_rfkill intel_telemetry: - Add debugfs entry for S0ix residency intel_telemetry_debugfs: - fix some error codes in init - fix oops when load/unload module" * tag 'platform-drivers-x86-v4.13-2' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: silead_dmi: Add entry for Ployer Momo7w tablet touchscreen platform/x86: toshiba_acpi: constify attribute_group structures. platform/x86: asus-wmi: constify attribute_group structures. platform/x86: panasonic-laptop: constify attribute_group structures. platform/x86: alienware-wmi: constify attribute_group structures. platform/x86: samsung-laptop: constify attribute_group structures. platform/x86: compal-laptop: constify attribute_group structures. platform/x86: fujitsu-laptop: constify attribute_group structures. platform/x86: peaq-wmi: Fix peaq_ignore_events_counter handling off by 1 platform/x86: fujitsu-laptop: add NULL check on devm_kzalloc() return value platform/x86: silead_dmi: Add touchscreen info for I.T.Works TW891 2-in-1 platform/x86: ideapad-laptop: Fix indentation in DMI table platform/x86: ideapad-laptop: Add several models to no_hw_rfkill platform/x86: ideapad-laptop: Add IdeaPad V510-15IKB to no_hw_rfkill platform/x86: intel_telemetry: Add debugfs entry for S0ix residency platform/x86: intel_telemetry_debugfs: fix some error codes in init platform/x86: intel_telemetry_debugfs: fix oops when load/unload module
| * | platform/x86: silead_dmi: Add entry for Ployer Momo7w tablet touchscreenHans de Goede2017-07-121-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | This Ployer Momo7w revision has the same hardware as the Trekstor ST70416-6, so we re-use the surftab_wintron70_st70416_6_data. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: toshiba_acpi: constify attribute_group structures.Arvind Yadav2017-07-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 26360 1072 24 27456 6b40 drivers/platform/x86/toshiba_acpi.o File size After adding 'const': text data bss dec hex filename 26424 1008 24 27456 6b40 drivers/platform/x86/toshiba_acpi.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: asus-wmi: constify attribute_group structures.Arvind Yadav2017-07-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 13140 840 1 13981 369d drivers/platform/x86/asus-wmi.o File size After adding 'const': text data bss dec hex filename 13268 712 1 13981 368d drivers/platform/x86/asus-wmi.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: panasonic-laptop: constify attribute_group structures.Arvind Yadav2017-07-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 2505 600 4 3109 c25 drivers/platform/x86/panasonic-laptop.o File size After adding 'const': text data bss dec hex filename 2569 536 4 3109 c25 drivers/platform/x86/panasonic-laptop.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: alienware-wmi: constify attribute_group structures.Arvind Yadav2017-07-111-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 6932 1016 48 7996 1f3c drivers/platform/x86/alienware-wmi.o File size After adding 'const': text data bss dec hex filename 7060 888 48 7996 1f64 drivers/platform/x86/alienware-wmi.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: samsung-laptop: constify attribute_group structures.Arvind Yadav2017-07-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 8710 5452 23 14185 3769 drivers/platform/x86/samsung-laptop.o File size After adding 'const': text data bss dec hex filename 8774 5388 23 14185 3769 drivers/platform/x86/samsung-laptop.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: compal-laptop: constify attribute_group structures.Arvind Yadav2017-07-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 6781 6144 34 12959 329f drivers/platform/x86/compal-laptop.o File size After adding 'const': text data bss dec hex filename 6845 6080 34 12959 329f drivers/platform/x86/compal-laptop.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: fujitsu-laptop: constify attribute_group structures.Arvind Yadav2017-07-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 7474 1205 24 8703 21ff drivers/platform/x86/fujitsu-laptop.o File size After adding 'const': text data bss dec hex filename 7538 1141 24 8703 21ff drivers/platform/x86/fujitsu-laptop.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Reviewed-by: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: peaq-wmi: Fix peaq_ignore_events_counter handling off by 1Hans de Goede2017-07-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | If peaq_ignore_events_counter gets set to 1 we should skip polling 1 time, rather then ignoring it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: fujitsu-laptop: add NULL check on devm_kzalloc() return valueGustavo A. R. Silva2017-07-071-0/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Check return value from call to devm_kzalloc() in order to prevent a NULL pointer dereference. This issue was detected using Coccinelle and the following semantic patch: @@ expression x; identifier fld; @@ * x = devm_kzalloc(...); ... when != x == NULL x->fld Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Reviewed-by: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: silead_dmi: Add touchscreen info for I.T.Works TW891 2-in-1Hans de Goede2017-07-071-0/+22
| | | | | | | | | | | | | | | | | | | | | Add touchscreen info for I.T.Works TW891 2-in-1. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
| * | platform/x86: ideapad-laptop: Fix indentation in DMI tableAndy Shevchenko2017-07-051-4/+4
| | | | | | | | | | | | | | | | | | | | | There are couple of places where 8 spaces are used instead of tabs. Replace former by latter. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * | platform/x86: ideapad-laptop: Add several models to no_hw_rfkillYang Jiaxun2017-07-051-0/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some Lenovo ideapad models do not have hardware rfkill switches, but trying to read the rfkill switches through the ideapad-laptop module. It caused to always reported blocking breaking wifi. Fix it by adding those models to no_hw_rfkill_list. Signed-off-by: Yang Jiaxun <yjx@flygoat.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * | platform/x86: ideapad-laptop: Add IdeaPad V510-15IKB to no_hw_rfkillSven Eckelmann2017-07-051-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Like other Lenovo models the IdeaPad V510-15IKB does not have an hw rfkill switch. This results in hard-blocked radios after boot, resulting in always blocked radios rendering them unusable. Add the IdeaPad V510-15IKB to the no_hw_rfkill DMI list and allows using the built-in radios. Signed-off-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
| * | platform/x86: intel_telemetry: Add debugfs entry for S0ix residencyRajneesh Bhardwaj2017-07-051-0/+26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds a debugfs consumer for the exported kernel API intel_pmc_read_s0ix_residency. This debugfs entry reads S0ix residency directly from the PMC hardware counters. TEST: - echo freeze > /sys/power/state - Wake the system, read the S0ix residency i.e. cat /sys/kernel/debug/telemetry/s0ix_residency_usec Signed-off-by: Shanth Murthy <shanth.murthy@intel.com> Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>