Commit Graph

2161 Commits

Author SHA1 Message Date
Linus Torvalds 86e4ee760e ACPI fix for v4.9-rc5
Fix a recent regression in the 8250_dw serial driver introduced by
 adding a quirk for the APM X-Gene SoC to it which uncovered an issue
 related to the handling of built-in device properties in the core
 ACPI device enumeration code (Heikki Krogerus).
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Merge tag 'acpi-4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix a recent regression in the 8250_dw serial driver introduced by
  adding a quirk for the APM X-Gene SoC to it which uncovered an issue
  related to the handling of built-in device properties in the core ACPI
  device enumeration code (Heikki Krogerus)"

* tag 'acpi-4.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / platform: Add support for build-in properties
2016-11-11 17:02:01 -08:00
Rafael J. Wysocki 66f5854c68 Merge branch 'device-properties'
* device-properties:
  ACPI / platform: Add support for build-in properties
2016-11-11 23:23:02 +01:00
Heikki Krogerus 1571875bee ACPI / platform: Add support for build-in properties
We have a couple of drivers, acpi_apd.c and acpi_lpss.c,
that need to pass extra build-in properties to the devices
they create. Previously the drivers added those properties
to the struct device which is member of the struct
acpi_device, but that does not work. Those properties need
to be assigned to the struct device of the platform device
instead in order for them to become available to the
drivers.

To fix this, this patch changes acpi_create_platform_device
function to take struct property_entry pointer as parameter.

Fixes: 20a875e2e8 (serial: 8250_dw: Add quirk for APM X-Gene SoC)
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Yazen Ghannam <yazen.ghannam@amd.com>
Tested-by: Jérôme de Bretagne <jerome.debretagne@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-11-10 00:30:29 +01:00
Azael Avalos 1c80e9603f toshiba-wmi: Fix loading the driver on non Toshiba laptops
Bug 150611 uncovered that the WMI ID used by the toshiba-wmi driver
is not Toshiba specific, and as such, the driver was being loaded
on non Toshiba laptops too.

This patch adds a DMI matching list checking for TOSHIBA as the
vendor, refusing to load if it is not.

Also the WMI GUID was renamed, dropping the TOSHIBA_ prefix, to
better reflect that such GUID is not a Toshiba specific one.

Cc: <stable@vger.kernel.org> # 4.4+
Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-10-19 13:25:54 -07:00
Mika Westerberg 446647d4b9 ideapad-laptop: Add another DMI entry for Yoga 900
This particular laptop has its motherboard replaced and after that, even
with the latest BIOS, some DMI identification strings have become
"INVALID". This includes DMI_PRODUCT_VERSION which results Wifi being
blocked.

It seems that DMI_BOARD_NAME is still valid so use that as an
alternative for Lenovo Yoga 900.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-10-19 13:08:39 -07:00
Linus Torvalds c3f8f7fa8b platform-drivers-x86 for 4.9-2
Fix a Kconfig issue leading potential link failure, and
 add a DMI match for an existing quirk.
 
 asus-wmi:
  - add SERIO_I8042 dependency
 
 ideapad-laptop:
  - Add Lenovo Yoga 910-13IKB to no_hw_rfkill dmi list
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Merge tag 'platform-drivers-x86-v4.9-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform driver fixes from Darren Hart:
 "Fix a Kconfig issue leading potential link failure, and add a DMI
  match for an existing quirk.

  asus-wmi:
   - add SERIO_I8042 dependency

  ideapad-laptop:
   - Add Lenovo Yoga 910-13IKB to no_hw_rfkill dmi list"

* tag 'platform-drivers-x86-v4.9-2' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  platform/x86: asus-wmi: add SERIO_I8042 dependency
  platform/x86: ideapad-laptop: Add Lenovo Yoga 910-13IKB to no_hw_rfkill dmi list
2016-10-19 11:45:06 -07:00
Linus Torvalds 63ae602cea Merge branch 'gup_flag-cleanups'
Merge the gup_flags cleanups from Lorenzo Stoakes:
 "This patch series adjusts functions in the get_user_pages* family such
  that desired FOLL_* flags are passed as an argument rather than
  implied by flags.

  The purpose of this change is to make the use of FOLL_FORCE explicit
  so it is easier to grep for and clearer to callers that this flag is
  being used.  The use of FOLL_FORCE is an issue as it overrides missing
  VM_READ/VM_WRITE flags for the VMA whose pages we are reading
  from/writing to, which can result in surprising behaviour.

  The patch series came out of the discussion around commit 38e0885465
  ("mm: check VMA flags to avoid invalid PROT_NONE NUMA balancing"),
  which addressed a BUG_ON() being triggered when a page was faulted in
  with PROT_NONE set but having been overridden by FOLL_FORCE.
  do_numa_page() was run on the assumption the page _must_ be one marked
  for NUMA node migration as an actual PROT_NONE page would have been
  dealt with prior to this code path, however FOLL_FORCE introduced a
  situation where this assumption did not hold.

  See

      https://marc.info/?l=linux-mm&m=147585445805166

  for the patch proposal"

Additionally, there's a fix for an ancient bug related to FOLL_FORCE and
FOLL_WRITE by me.

[ This branch was rebased recently to add a few more acked-by's and
  reviewed-by's ]

* gup_flag-cleanups:
  mm: replace access_process_vm() write parameter with gup_flags
  mm: replace access_remote_vm() write parameter with gup_flags
  mm: replace __access_remote_vm() write parameter with gup_flags
  mm: replace get_user_pages_remote() write/force parameters with gup_flags
  mm: replace get_user_pages() write/force parameters with gup_flags
  mm: replace get_vaddr_frames() write/force parameters with gup_flags
  mm: replace get_user_pages_locked() write/force parameters with gup_flags
  mm: replace get_user_pages_unlocked() write/force parameters with gup_flags
  mm: remove write/force parameters from __get_user_pages_unlocked()
  mm: remove write/force parameters from __get_user_pages_locked()
  mm: remove gup_flags FOLL_WRITE games from __get_user_pages()
2016-10-19 08:39:47 -07:00
Lorenzo Stoakes 768ae309a9 mm: replace get_user_pages() write/force parameters with gup_flags
This removes the 'write' and 'force' from get_user_pages() and replaces
them with 'gup_flags' to make the use of FOLL_FORCE explicit in callers
as use of this flag can result in surprising behaviour (and hence bugs)
within the mm subsystem.

Signed-off-by: Lorenzo Stoakes <lstoakes@gmail.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-10-19 08:11:43 -07:00
Linus Torvalds 44dc8c9d68 platform-drivers-x86 for 4.9-1
Cleanups, refactoring, and a couple bug fixes.
 
 intel_pmc_core:
  - avoid boot time warning for !CONFIG_DEBUGFS_FS
 
 intel_pmc_ipc:
  - Convert to use platform_device_register_full
 
 asus-wmi:
  - Filter buggy scan codes on ASUS Q500A
 
 toshiba_bluetooth:
  - Decouple an error checking status code
 
 toshiba_haps:
  - Change logging level from info to debug
  - Split ACPI and HDD protection error handling
 
 asus-laptop:
  - get rid of parse_arg()
 
 asus-wmi:
  - fix asus ux303ub brightness issue
 
 toshiba_acpi:
  - Fix typo in *_cooling_method_set function
  - Change error checking logic from TCI functions
  - Clean up variable declaration
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Merge tag 'platform-drivers-x86-v4.9-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x86 platform drivers updates from Darren Hart:
 "Cleanups, refactoring, and a couple bug fixes.

  intel_pmc_core:
   - avoid boot time warning for !CONFIG_DEBUGFS_FS

  intel_pmc_ipc:
   - Convert to use platform_device_register_full

  asus-wmi:
   - Filter buggy scan codes on ASUS Q500A

  toshiba_bluetooth:
   - Decouple an error checking status code

  toshiba_haps:
   - Change logging level from info to debug
   - Split ACPI and HDD protection error handling

  asus-laptop:
   - get rid of parse_arg()

  asus-wmi:
   - fix asus ux303ub brightness issue

  toshiba_acpi:
   - Fix typo in *_cooling_method_set function
   - Change error checking logic from TCI functions
   - Clean up variable declaration"

* tag 'platform-drivers-x86-v4.9-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86:
  platform/x86: intel_pmc_core: avoid boot time warning for !CONFIG_DEBUGFS_FS
  platform/x86: intel_pmc_ipc: Convert to use platform_device_register_full
  platform/x86: asus-wmi: Filter buggy scan codes on ASUS Q500A
  platform/x86: toshiba_bluetooth: Decouple an error checking status code
  platform/x86: toshiba_haps: Change logging level from info to debug
  platform/x86: toshiba_haps: Split ACPI and HDD protection error handling
  platform/x86: asus-laptop: get rid of parse_arg()
  platform/x86: asus-wmi: fix asus ux303ub brightness issue
  platform/x86: toshiba_acpi: Fix typo in *_cooling_method_set function
  platform/x86: toshiba_acpi: Change error checking logic from TCI functions
  platform/x86: toshiba_acpi: Clean up variable declaration
2016-10-13 16:52:39 -07:00
Arnd Bergmann ea893695ec platform/x86: asus-wmi: add SERIO_I8042 dependency
A recent bugfix added a call to i8042_install_filter but did
not add the dependency, leading to possible link errors:

drivers/platform/built-in.o: In function `asus_nb_wmi_quirks':
asus-nb-wmi.c:(.text+0x23af): undefined reference to `i8042_install_filter'

This adds a dependency on SERIO_I8042||SERIO_I8042=n to indicate
that we can build the driver when the i8042 driver is disabled,
but it cannot be built-in when that is a loadable module.

Fixes: b5643539b8 ("platform/x86: asus-wmi: Filter buggy scan codes on ASUS Q500A")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-10-12 22:59:33 +02:00
Linus Torvalds 2d2474a194 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal managament updates from Zhang Rui:

 - Enhance thermal "userspace" governor to export the reason when a
   thermal event is triggered and delivered to user space. From Srinivas
   Pandruvada

 - Introduce a single TSENS thermal driver for the different versions of
   the TSENS IP that exist, on different qcom msm/apq SoCs'. Support for
   msm8916, msm8960, msm8974 and msm8996 families is also added. From
   Rajendra Nayak

 - Introduce hardware-tracked trip points support to the device tree
   thermal sensor framework. The framework supports an arbitrary number
   of trip points. Whenever the current temperature is changed, the trip
   points immediately below and above the current temperature are found,
   driver callback is invoked to program the hardware to get notified
   when either of the two trip points are triggered. Hardware-tracked
   trip points support for rockchip thermal driver is also added at the
   same time. From Sascha Hauer, Caesar Wang

 - Introduce a new thermal driver, which enables TMU (Thermal Monitor
   Unit) on QorIQ platform. From Jia Hongtao

 - Introduce a new thermal driver for Maxim MAX77620. From Laxman
   Dewangan

 - Introduce a new thermal driver for Intel platforms using WhiskeyCove
   PMIC. From Bin Gao

 - Add mt2701 chip support to MTK thermal driver. From Dawei Chien

 - Enhance Tegra thermal driver to enable soctherm node and set
   "critical", "hot" trips, for Tegra124, Tegra132, Tegra210. From Wei
   Ni

 - Add resume support for tango thermal driver. From Marc Gonzalez

 - several small fixes and improvements for rockchip, qcom, imx, rcar,
   mtk thermal drivers and thermal core code. From Caesar Wang, Keerthy,
   Rocky Hao, Wei Yongjun, Peter Robinson, Bui Duc Phuc, Axel Lin, Hugh
   Kang

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (48 commits)
  thermal: int3403: Process trip change notification
  thermal: int340x: New Interface to read trip and notify
  thermal: user_space gov: Add additional information in uevent
  thermal: Enhance thermal_zone_device_update for events
  arm64: tegra: set hot trips for Tegra210
  arm64: tegra: set critical trips for Tegra210
  arm64: tegra: add soctherm node for Tegra210
  arm64: tegra: set hot trips for Tegra132
  arm64: tegra: set critical trips for Tegra132
  arm64: tegra: use tegra132-soctherm for Tegra132
  arm: tegra: set hot trips for Tegra124
  arm: tegra: set critical trips for Tegra124
  thermal: tegra: add hw-throttle for Tegra132
  thermal: tegra: add hw-throttle function
  of: Add bindings of hw throttle for Tegra soctherm
  thermal: mtk_thermal: Check return value of devm_thermal_zone_of_sensor_register
  thermal: Add Mediatek thermal driver for mt2701.
  dt-bindings: thermal: Add binding document for Mediatek thermal controller
  thermal: max77620: Add thermal driver for reporting junction temp
  thermal: max77620: Add DT binding doc for thermal driver
  ...
2016-10-12 11:05:23 -07:00
Brian Masney 40c30bbf33 platform/x86: ideapad-laptop: Add Lenovo Yoga 910-13IKB to no_hw_rfkill dmi list
The Lenovo Yoga 910-13IKB does not have a hw rfkill switch, and trying
to read the hw rfkill switch through the ideapad module causes it to
always report as blocked.

This commit adds the Lenovo Yoga 910-13IKB to the no_hw_rfkill dmi list,
fixing the WiFI breakage.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-10-12 01:17:47 -07:00
Arnd Bergmann 127595ed21 platform/x86: intel_pmc_core: avoid boot time warning for !CONFIG_DEBUGFS_FS
While looking at a patch that introduced a compile-time warning
"‘pmc_core_dev_state_get’ defined but not used" (I sent a patch
for debugfs to fix it), I noticed that the same patch caused
it in intel_pmc_core also introduced a bogus run-time warning:
"PMC Core: debugfs register failed".

The problem is the IS_ERR_OR_NULL() check that as usual gets
things wrong: when CONFIG_DEBUGFS_FS is disabled,
debugfs_create_dir() fails with an error code, and we don't
need to warn about it, unlike the case in which it returns
NULL.

This reverts the driver to the previous state of not warning
about CONFIG_DEBUGFS_FS being disabled. I chose not to
restore the driver to making a runtime error in debugfs
fatal in pmc_core_probe().

Fixes: df2294fb64 ("intel_pmc_core: Convert to DEFINE_DEBUGFS_ATTRIBUTE")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-10-12 01:12:28 -07:00
Linus Torvalds 4cdf8dbe2d Merge branch 'work.uaccess2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull uaccess.h prepwork from Al Viro:
 "Preparations to tree-wide switch to use of linux/uaccess.h (which,
  obviously, will allow to start unifying stuff for real). The last step
  there, ie

    PATT='^[[:blank:]]*#[[:blank:]]*include[[:blank:]]*<asm/uaccess.h>'
    sed -i -e "s!$PATT!#include <linux/uaccess.h>!" \
            `git grep -l "$PATT"|grep -v ^include/linux/uaccess.h`

  is not taken here - I would prefer to do it once just before or just
  after -rc1.  However, everything should be ready for it"

* 'work.uaccess2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  remove a stray reference to asm/uaccess.h in docs
  sparc64: separate extable_64.h, switch elf_64.h to it
  score: separate extable.h, switch module.h to it
  mips: separate extable.h, switch module.h to it
  x86: separate extable.h, switch sections.h to it
  remove stray include of asm/uaccess.h from cacheflush.h
  mn10300: remove a bogus processor.h->uaccess.h include
  xtensa: split uaccess.h into C and asm sides
  bonding: quit messing with IOCTL
  kill __kernel_ds_p off
  mn10300: finish verify_area() off
  frv: move HAVE_ARCH_UNMAPPED_AREA to pgtable.h
  exceptions: detritus removal
2016-10-11 23:38:39 -07:00
Linus Torvalds 101105b171 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull more vfs updates from Al Viro:
 ">rename2() work from Miklos + current_time() from Deepa"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: Replace current_fs_time() with current_time()
  fs: Replace CURRENT_TIME_SEC with current_time() for inode timestamps
  fs: Replace CURRENT_TIME with current_time() for inode timestamps
  fs: proc: Delete inode time initializations in proc_alloc_inode()
  vfs: Add current_time() api
  vfs: add note about i_op->rename changes to porting
  fs: rename "rename2" i_op to "rename"
  vfs: remove unused i_op->rename
  fs: make remaining filesystems use .rename2
  libfs: support RENAME_NOREPLACE in simple_rename()
  fs: support RENAME_NOREPLACE for local filesystems
  ncpfs: fix unused variable warning
2016-10-10 20:16:43 -07:00
Linus Torvalds d042380886 - Core Frameworks
- Add the MFD bindings doc to MAINTAINERS
 
 - New Drivers
    - X-Powers AC100 Audio CODEC and RTC
    - TI LP873x PMIC
    - Rockchip RK808 PMIC
    - Samsung Exynos Low Power Audio
 
  - New Device Support
    - Add support for STMPE1600 variant to stmpe
    - Add support for PM8018 PMIC to pm8921-core
    - Add support for AXP806 PMIC in axp20x
    - Add support for AXP209 GPIO in axp20x
 
  - New Functionality
    - Add support for Reset to all STMPE variants
    - Add support for MKBP event support to cros_ec
    - Add support for USB to intel_soc_pmic_bxtwc
    - Add support for IRQs and Power Button to tps65217
 
  - Fix-ups
    - Clean-up defunct author emails; da9063, max14577
    - Kconfig fixups; wm8350-i2c, as3722
    - Constify; altera-a10sr, sm501
    - Supply PCI IDs; intel-lpss-pci
    - Improve clocking; qcom_rpm
    - Fix IRQ probing; ucb1x00-core
    - Ensure fault log is cleared; da9052
    - Remove NO_IRQ check; ucb1x00-core
    - Supply I2C properties; intel-lpss-acpi, intel-lpss-pci
    - Non standard declaration; tps65217, max8997-irq
    - Remove unused code; lp873x, db8500-prcmu, ab8500-debugfs,
                          cros_ec_spi
    - Make non-modular; altera-a10sr, intel_msic, smsc-ece1099,
                        sun6i-prcm, twl-core,
    - OF bindings; ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808,
                   axp20x, lp873x, exynos5433-lpass, act8945a,
                   aspeed-scu, twl6040, arizona
 
  - Bug Fixes
    - Release OF pointer; qcom_rpm
    - Avoid double shifting in suspend/resume; 88pm80x
    - Fix 'defined but not used' error; exynos-lpass
    - Fix 'sleeping whilst attomic'; atmel-hlcdc
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Merge tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core framework:
   - Add the MFD bindings doc to MAINTAINERS

  New drivers:
   - X-Powers AC100 Audio CODEC and RTC
   - TI LP873x PMIC
   - Rockchip RK808 PMIC
   - Samsung Exynos Low Power Audio

  New device support:
   - Add support for STMPE1600 variant to stmpe
   - Add support for PM8018 PMIC to pm8921-core
   - Add support for AXP806 PMIC in axp20x
   - Add support for AXP209 GPIO in axp20x

  New functionality:
   - Add support for Reset to all STMPE variants
   - Add support for MKBP event support to cros_ec
   - Add support for USB to intel_soc_pmic_bxtwc
   - Add support for IRQs and Power Button to tps65217

  Fix-ups:
   - Clean-up defunct author emails (da9063, max14577)
   - Kconfig fixups (wm8350-i2c, as37220
   - Constify (altera-a10sr, sm501)
   - Supply PCI IDs (intel-lpss-pci)
   - Improve clocking (qcom_rpm)
   - Fix IRQ probing (ucb1x00-core)
   - Ensure fault log is cleared (da9052)
   - Remove NO_IRQ check (ucb1x00-core)
   - Supply I2C properties (intel-lpss-acpi, intel-lpss-pci)
   - Non standard declaration (tps65217, max8997-irq)
   - Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs,
     cros_ec_spi)
   - Make non-modular (altera-a10sr, intel_msic, smsc-ece1099,
     sun6i-prcm, twl-core)
   - OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x,
     lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona)

  Bugfixes:
   - Release OF pointer (qcom_rpm)
   - Avoid double shifting in suspend/resume (88pm80x)
   - Fix 'defined but not used' error (exynos-lpass)
   - Fix 'sleeping whilst attomic' (atmel-hlcdc)"

* tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
  mfd: arizona: Handle probe deferral for reset GPIO
  mfd: arizona: Remove arizona_of_get_named_gpio helper function
  mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config
  mfd: twl6040: Register child device for twl6040-pdmclk
  mfd: cros_ec_spi: Remove unused variable 'request'
  mfd: omap-usb-host: Return value is not 'const int'
  mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine()
  mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem()
  mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls
  mfd: ab8500-debugfs: Prevent initialised field from being over-written
  mfd: max8997-irq: 'inline' should be at the beginning of the declaration
  mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer
  mfd: tps65217: Fix nonstandard declaration
  mfd: lp873x: Remove unused mutex lock from struct lp873x
  mfd: atmel-hlcdc: Do not sleep in atomic context
  mfd: exynos-lpass: Mark PM functions as __maybe_unused
  mfd: intel-lpss: Add default I2C device properties for Apollo Lake
  mfd: twl-core: Make it explicitly non-modular
  mfd: sun6i-prcm: Make it explicitly non-modular
  mfd: smsc-ece1099: Make it explicitly non-modular
  ...
2016-10-07 08:35:35 -07:00
Axel Lin ea1a76bad8 platform/x86: intel_pmc_ipc: Convert to use platform_device_register_full
Use platform_device_register_full() instead of open-coded.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-28 16:33:04 -07:00
Mika Westerberg bba6529ea0 platform/x86: intel_pmc_ipc: Do not create iTCO watchdog when WDAT table exists
ACPI WDAT table is the preferred way to use hardware watchdog over the
native iTCO_wdt. Windows only uses this table for its hardware watchdog
implementation so we should be relatively safe to trust it has been
validated by OEMs.

Prevent iTCO watchdog creation if we detect that there is an ACPI WDAT
table.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-09-28 23:08:08 +02:00
Al Viro 45caf47007 x86: separate extable.h, switch sections.h to it
drivers/platform/x86/dell-smo8800.c is touched due to the following obscenity:
drivers/platform/x86/dell-smo8800.c ->
	linux/interrupt.h ->
		linux/hardirq.h ->
			asm/hardirq.h ->
				linux/irq.h ->
					asm/hw_irq.h ->
						asm/sections.h ->
							asm/uaccess.h
is the only chain of includes pulling asm/uaccess.h there.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-09-27 21:15:23 -04:00
Deepa Dinamani c2050a454c fs: Replace current_fs_time() with current_time()
current_fs_time() uses struct super_block* as an argument.
As per Linus's suggestion, this is changed to take struct
inode* as a parameter instead. This is because the function
is primarily meant for vfs inode timestamps.
Also the function was renamed as per Arnd's suggestion.

Change all calls to current_fs_time() to use the new
current_time() function instead. current_fs_time() will be
deleted.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-09-27 21:06:22 -04:00
Srinivas Pandruvada 0e70f466fb thermal: Enhance thermal_zone_device_update for events
Added one additional parameter to thermal_zone_device_update() to provide
caller with an optional capability to specify reason.
Currently this event is used by user space governor to trigger different
processing based on event code. Also it saves an additional call to read
temperature when the event is received.
The following events are cuurently defined:
- Unspecified event
- New temperature sample
- Trip point violated
- Trip point changed
- thermal device up and down
- thermal device power capability changed

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2016-09-27 14:35:21 +08:00
Oleksij Rempel b5643539b8 platform/x86: asus-wmi: Filter buggy scan codes on ASUS Q500A
Some revisions of the ASUS Q500A series have a keyboard related
issue which is reproducible only after Windows with installed ASUS
tools is started.

In this case the Linux side will have a blocked keyboard or
report incorrect or incomplete hotkey events.

To make Linux work properly again, a complete power down
(unplug power supply and remove battery) is needed.

Linux/atkbd after a clean start will get the following code on VOLUME_UP
key: {0xe0, 0x30, 0xe0, 0xb0}. After Windows, the same key will generate
this codes: {0xe1, 0x23, 0xe0, 0x30, 0xe0, 0xb0}. As result atkdb will
be confused by buggy codes.

This patch is filtering this buggy code out.

https://bugzilla.kernel.org/show_bug.cgi?id=119391

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Cc: Alex Henrie <alexhenrie24@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Corentin Chary <corentin.chary@gmail.com>
Cc: acpi4asus-user@lists.sourceforge.net
Cc: platform-driver-x86@vger.kernel.org
Cc: linux-kernel@vger.kernel.org

[dvhart: Add return after pr_warn to avoid false confirmation of filter]

Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-23 17:06:20 -07:00
Azael Avalos 28e476d743 platform/x86: toshiba_bluetooth: Decouple an error checking status code
This patch simply decouples the error checking of the ACPI status and
the actual BT status, as those two were nested in an if/else check, but
are completely unrelated.

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-23 16:21:06 -07:00
Azael Avalos baae5f9157 platform/x86: toshiba_haps: Change logging level from info to debug
Two of the internal functions are printing an info message, one
whenever the HDD protection level changes, and another when the
driver receives an ACPI event.

This patch changes those two prints to debug, as that information
is more pertaining to debuging purposes.

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-23 16:21:05 -07:00
Azael Avalos 5545544998 platform/x86: toshiba_haps: Split ACPI and HDD protection error handling
Currently the code checking for the ACPI status is mixed along with
the actual HDD protection status check.

This patch splits those two checks as they are not related, printing
an error string in case the ACPI call failed, and then check for
actual HDD protection status.

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-23 16:21:05 -07:00
Giedrius Statkevičius 6f7e357bf1 platform/x86: asus-laptop: get rid of parse_arg()
parse_arg() duplicates the funcionality of kstrtoint() so use the latter
function instead. There is no funcionality change except that in the
case of input being too big -ERANGE will be returned instead of -EINVAL
which is not bad because -ERANGE makes more sense here. The check for
!count is already done by the sysfs core so no need to duplicate it
again. Also, add some minor corrections to error handling to accommodate
the change in return values (parse_arg returned count if everything
succeeded whereas kstrtoint returns 0 in the same situation)

As a result of this patch asus-laptop.ko size is reduced by almost 1%:
add/remove: 0/1 grow/shrink: 1/6 up/down: 1/-149 (-148)
function                                     old     new   delta
__UNIQUE_ID_vermagic0                         69      70      +1
ls_switch_store                              133     117     -16
ledd_store                                   175     159     -16
display_store                                157     141     -16
ls_level_store                               193     176     -17
gps_store                                    200     178     -22
sysfs_acpi_set.isra                          148     125     -23
parse_arg.part                                39       -     -39
Total: Before=19160, After=19012, chg -0.77%

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-23 16:20:44 -07:00
zino lin 999d4376c6 platform/x86: asus-wmi: fix asus ux303ub brightness issue
acpi_video0 doesn't work, asus-wmi brightness interface doesn't work, too.
So, we use native brightness interface to handle the brightness adjustion,
and add quirk_asus_ux303ub.

Signed-off-by: zino lin <linzino7@gmail.com>
Acked-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-09-23 16:20:34 -07:00
Azael Avalos fa1bc2a09f platform/x86: toshiba_acpi: Fix typo in *_cooling_method_set function
This patch simply fixes a typo in the error string printed in
the *_cooling_method_set function.

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-08-31 17:33:33 -07:00
Azael Avalos 513ee146f6 platform/x86: toshiba_acpi: Change error checking logic from TCI functions
Currently the success/error checking logic is intermixed, making the
code a bit cumbersome to understand.

This patch changes the affected functions to first check for errors
and take appropriate actions, then check for the supported features.

This patch also separates the error check from the acpi_status and
the tci_raw function call error check, as those two are completely
unrelated and were nested in if/else statements.

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-08-31 17:33:32 -07:00
Azael Avalos 78429e55e4 platform/x86: toshiba_acpi: Clean up variable declaration
This patch moves all the multiple line variable declaration to a
single line declaration (except variables being initialized)
following the reverse tree order, to conform to the practices
of the kernel.

[dvhart: corrected a couple minor inconsistencies in declaration ordering]

Signed-off-by: Azael Avalos <coproscefalo@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-08-31 17:32:54 -07:00
Vic Yang 6f1d912b68 mfd: cros_ec: Add MKBP event support
Newer revisions of the ChromeOS EC add more events besides the keyboard
ones. So handle interrupts in the MFD driver and let consumers register
for notifications for the events they might care.

To keep backward compatibility, if the EC doesn't support MKBP event, we
fall back to the old MKBP key matrix host command.

Cc: Randall Spangler <rspangler@chromium.org>
Cc: Vincent Palatin <vpalatin@chromium.org>
Cc: Benson Leung <bleung@chromium.org>
Signed-off-by: Vic Yang <victoryang@google.com>
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-08-31 10:50:59 +01:00
Paul Gortmaker da43bf0c21 intel_pmic_gpio: Make explicitly non-modular
The Kconfig entry controlling compilation of this code is:

drivers/platform/x86/Kconfig:config GPIO_INTEL_PMIC
drivers/platform/x86/Kconfig:   bool "Intel PMIC GPIO support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

We delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.

We don't replace module.h with init.h since the file already has that.

Cc: Alek Du <alek.du@intel.com>
Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-08-28 22:31:52 -07:00
Paul Gortmaker f48d1496b8 platform/olpc: Make ec explicitly non-modular
The Kconfig entry controlling compilation of this code is:

arch/x86/Kconfig:config OLPC
arch/x86/Kconfig:       bool "One Laptop Per Child support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the couple traces of modular infrastructure use, so that
when reading the driver there is no doubt it is builtin-only.

We delete the MODULE_LICENSE tag etc. since all that information
was (or is now) contained at the top of the file in the comments.

Cc: platform-driver-x86@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-08-28 22:31:52 -07:00
Pali Rohár 65a97a67a7 dell-wmi: Ignore WMI event 0xe00e
WMI event 0xe00e is received when battery was removed or inserted.

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-08-08 11:00:21 -07:00
Linus Torvalds a157b3aaa4 pwm: Changes for v4.8-rc1
This set of changes improve some aspects of the atomic API as well as
 make use of this new API in the regulator framework to allow properly
 dealing with critical regulators controlled by a PWM.
 
 Aside from that there's a bunch of updates and cleanups for existing
 drivers, as well as the addition of new drivers for the Broadcom iProc,
 STMPE and ChromeOS EC controllers.
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Merge tag 'pwm/for-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "This set of changes improve some aspects of the atomic API as well as
  make use of this new API in the regulator framework to allow properly
  dealing with critical regulators controlled by a PWM.

  Aside from that there's a bunch of updates and cleanups for existing
  drivers, as well as the addition of new drivers for the Broadcom
  iProc, STMPE and ChromeOS EC controllers"

* tag 'pwm/for-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (44 commits)
  regulator: pwm: Document pwm-dutycycle-unit and pwm-dutycycle-range
  regulator: pwm: Support extra continuous mode cases
  pwm: Add ChromeOS EC PWM driver
  dt-bindings: pwm: Add binding for ChromeOS EC PWM
  mfd: cros_ec: Add EC_PWM function definitions
  mfd: cros_ec: Add cros_ec_cmd_xfer_status() helper
  pwm: atmel: Use of_device_get_match_data()
  pwm: atmel: Fix checkpatch warnings
  pwm: atmel: Fix disabling of PWM channels
  dt-bindings: pwm: Add R-Car H3 device tree bindings
  pwm: rcar: Use ARCH_RENESAS
  pwm: tegra: Add support for Tegra186
  dt-bindings: pwm: tegra: Add compatible string for Tegra186
  pwm: tegra: Avoid overflow when calculating duty cycle
  pwm: tegra: Allow 100 % duty cycle
  pwm: tegra: Add support for reset control
  pwm: tegra: Rename mmio_base to regs
  pwm: tegra: Remove useless padding
  pwm: tegra: Drop NUM_PWM macro
  pwm: lpc32xx: Set PWM_PIN_LEVEL bit to default value
  ...
2016-08-06 00:01:33 -04:00
Linus Torvalds 731c7d3a20 Merge tag 'drm-for-v4.8' of git://people.freedesktop.org/~airlied/linux
Merge drm updates from Dave Airlie:
 "This is the main drm pull request for 4.8.

  I'm down with a cold at the moment so hopefully this isn't in too bad
  a state, I finished pulling stuff last week mostly (nouveau fixes just
  went in today), so only this message should be influenced by illness.
  Apologies to anyone who's major feature I missed :-)

  Core:
        Lockless GEM BO freeing
        Non-blocking atomic work
        Documentation changes (rst/sphinx)
        Prep for new fencing changes
        Simple display helpers
        Master/auth changes
        Register/unregister rework
        Loads of trivial patches/fixes.

  New stuff:
        ARM Mali display driver (not the 3D chip)
        sii902x RGB->HDMI bridge

  Panel:
        Support for new panels
        Improved backlight support

  Bridge:
        Convert ADV7511 to bridge driver
        ADV7533 support
        TC358767 (DSI/DPI to eDP) encoder chip support

  i915:
        BXT support enabled by default
        GVT-g infrastructure
        GuC command submission and fixes
        BXT workarounds
        SKL/BKL workarounds
        Demidlayering device registration
        Thundering herd fixes
        Missing pci ids
        Atomic updates

  amdgpu/radeon:
        ATPX improvements for better dGPU power control on PX systems
        New power features for CZ/BR/ST
        Pipelined BO moves and evictions in TTM
        GPU scheduler improvements
        GPU reset improvements
        Overclocking on dGPUs with amdgpu
        Polaris powermanagement enabled

  nouveau:
        GK20A/GM20B volt and clock improvements.
        Initial support for GP100/GP104 GPUs, GP104 will not yet support
        acceleration due to NVIDIA having not released firmware for them as of yet.

  exynos:
        Exynos5433 SoC with IOMMU support.

  vc4:
        Shader validation for branching

  imx-drm:
        Atomic mode setting conversion
        Reworked DMFC FIFO allocation
        External bridge support

  analogix-dp:
        RK3399 eDP support
        Lots of fixes.

  rockchip:
        Lots of small fixes.

  msm:
        DT bindings cleanups
        Shrinker and madvise support
        ASoC HDMI codec support

  tegra:
        Host1x driver cleanups
        SOR reworking for DP support
        Runtime PM support

  omapdrm:
        PLL enhancements
        Header refactoring
        Gamma table support

  arcgpu:
        Simulator support

  virtio-gpu:
        Atomic modesetting fixes.

  rcar-du:
        Misc fixes.

  mediatek:
        MT8173 HDMI support

  sti:
        ASOC HDMI codec support
        Minor fixes

  fsl-dcu:
        Suspend/resume support
        Bridge support

  amdkfd:
        Minor fixes.

  etnaviv:
        Enable GPU clock gating

  hisilicon:
        Vblank and other fixes"

* tag 'drm-for-v4.8' of git://people.freedesktop.org/~airlied/linux: (1575 commits)
  drm/nouveau/gr/nv3x: fix instobj write offsets in gr setup
  drm/nouveau/acpi: fix lockup with PCIe runtime PM
  drm/nouveau/acpi: check for function 0x1B before using it
  drm/nouveau/acpi: return supported DSM functions
  drm/nouveau/acpi: ensure matching ACPI handle and supported functions
  drm/nouveau/fbcon: fix font width not divisible by 8
  drm/amd/powerplay: remove enable_clock_power_gatings_tasks from initialize and resume events
  drm/amd/powerplay: move clockgating to after ungating power in pp for uvd/vce
  drm/amdgpu: add query device id and revision id into system info entry at CGS
  drm/amdgpu: add new definition in bif header
  drm/amd/powerplay: rename smum header guards
  drm/amdgpu: enable UVD context buffer for older HW
  drm/amdgpu: fix default UVD context size
  drm/amdgpu: fix incorrect type of info_id
  drm/amdgpu: make amdgpu_cgs_call_acpi_method as static
  drm/amdgpu: comment out unused defaults_staturn_pro static const structure to fix the build
  drm/amdgpu: enable UVD VM only on polaris
  drm/amdgpu: increase timeout of IB test
  drm/amdgpu: add destroy session when generate VCE destroy msg.
  drm/amd: fix deadlock of job_list_lock V2
  ...
2016-08-01 21:44:08 -04:00
Linus Torvalds 27acbec338 Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
 "Core:
   - min and max timeout improvements, WDOG_HW_RUNNING improvements,
     status funtionality
   - Add a device managed API for watchdog_register_device()

  New watchdog drivers:
   -  Aspeed SoCs
   -  Maxim PMIC MAX77620
   -  Amlogic Meson GXBB SoC

  Enhancements:
   - support for the r8a7796 watchdog device
   - support for F81866 watchdog device
   - support for 5th variation of Apollo Lake
   - support for MCP78S chipset
   - clean-up of softdog.c watchdog device driver
   - pic32-wdt and pic32-dmt fixes
   - Documentation/watchdog: watchdog-test improvements
   - several other fixes and improvements"

* git://www.linux-watchdog.org/linux-watchdog: (50 commits)
  watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe()
  watchdog: core: Clear WDOG_HW_RUNNING before calling the stop function
  watchdog: core: Fix error handling of watchdog_dev_init()
  watchdog: pic32-wdt: Fix return value check in pic32_wdt_drv_probe()
  watchdog: pic32-dmt: Remove .owner field for driver
  watchdog: pic32-wdt: Remove .owner field for driver
  watchdog: renesas-wdt: Add support for the r8a7796 wdt
  Documentation/watchdog: check return value for magic close
  watchdog: sbsa: Drop status function
  watchdog: Implement status function in watchdog core
  watchdog: tangox: Set max_hw_heartbeat_ms instead of max_timeout
  watchdog: change watchdog_need_worker logic
  watchdog: add support for MCP78S chipset in nv_tco
  watchdog: bcm2835_wdt: remove redundant ->set_timeout callback
  watchdog: bcm2835_wdt: constify _ops and _info structures
  dt-bindings: watchdog: Add Meson GXBB Watchdog bindings
  watchdog: Add Meson GXBB Watchdog Driver
  watchdog: qcom: configure BARK time in addition to BITE time
  watchdog: qcom: add option for standalone watchdog not in timer block
  watchdog: qcom: update device tree bindings
  ...
2016-07-31 21:32:22 -04:00
Dave Airlie e470f3a242 Merge tag 'topic/drm-misc-2016-07-28' of git://anongit.freedesktop.org/drm-intel into drm-next
A few more simple fixes that Sean&I collected. There's a bunch of bigger
things on dri-devel, but I think those are all too late for 4.8 really.
I'll try and go collect them after -rc1 for 4.9.

* tag 'topic/drm-misc-2016-07-28' of git://anongit.freedesktop.org/drm-intel:
  drm/arm: mali-dp: Fix error return code in malidp_bind()
  drm/arm: mali-dp: Remove redundant dev_err call in malidp_bind()
  drm/gma500: remove unnecessary stub for fb_ioctl()
  apple-gmux: Sphinxify docs
  drm/arm: mali-dp: Set crtc.port to the port instead of the endpoint
  drm/sti: use new Reset API
  drm/etnaviv: Optimize error handling in etnaviv_gem_new_userptr()
  drm/etnaviv: Delete unnecessary checks before two function calls
  drm/vmwgfx: Delete an unnecessary check before the function call "vfree"
  drm/qxl: Delete an unnecessary check before drm_gem_object_unreference_unlocked()
  drm/mgag200: Delete an unnecessary check before drm_gem_object_unreference_unlocked()
  drm/bridge: ps8622: Delete an unnecessary check before backlight_device_unregister()
  GPU-DRM-GMA500: Delete unnecessary checks before two function calls
  GPU-DRM-OMAP: Delete unnecessary checks before two function calls
2016-07-30 05:26:07 +10:00
Lukas Wunner 305964b7a0 apple-gmux: Sphinxify docs
Convert asciidoc-formatted docs to rst in accordance with Jonathan's and
Jani's effort to use sphinx for kernel-doc rendering in 4.8.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/4c1b29986fa77772156b1af0c965d3799e43a47b.1467628307.git.lukas@wunner.de
2016-07-28 10:04:03 +02:00
Linus Torvalds 27b79027bc platform-drivers-x86 for 4.8-1
Several new quirks and tweaks for new platforms to existing laptop drivers. A
 new ACPI virtual power button driver, similar to the intel-hid driver. A rework
 of the dell keymap, using a single sparse keymap for all machines. A few fixes
 and cleanups.
 
 intel-vbtn:
  - new driver for Intel Virtual Button
 
 intel_pmc_core:
  - Convert to DEFINE_DEBUGFS_ATTRIBUTE
 
 fujitsu-laptop:
  - Rework brightness of eco led
 
 asus-wmi:
  - Add quirk_no_rfkill_wapf4 for the Asus X456UA
  - Add quirk_no_rfkill_wapf4 for the Asus X456UF
  - Add quirk_no_rfkill for the Asus Z550MA
  - Add quirk_no_rfkill for the Asus U303LB
  - Add quirk_no_rfkill for the Asus N552VW
  - Create quirk for airplane_mode LED
  - Add ambient light sensor toggle key
 
 asus-wireless:
  - Toggle airplane mode LED
 
 intel_telemetry:
  - Remove Monitor MWAIT feature dependency
 
 intel-hid:
  - Remove duplicated acpi_remove_notify_handler
 
 fujitsu-laptop:
  - Add support for eco LED
  - Support touchpad toggle hotkey on Skylake-based models
  - Remove unused macros
  - Use module name in debug messages
 
 hp-wmi:
  - Fix wifi cannot be hard-unblocked
 
 toshiba_acpi:
  - Bump driver version and update copyright year
  - Remove the position sysfs entry
  - Add IIO interface for accelerometer axis data
 
 dell-wmi:
  - Add a WMI event code for display on/off
  - Generate one sparse keymap for all machines
  - Add information about other WMI event codes
  - Sort WMI event codes and update comments
  - Ignore WMI event code 0xe045
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Merge tag 'platform-drivers-x86-v4.8-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86

Pull x8 platform driver updates from Darren Hart:
 "Several new quirks and tweaks for new platforms to existing laptop
  drivers.  A new ACPI virtual power button driver, similar to the
  intel-hid driver.  A rework of the dell keymap, using a single sparse
  keymap for all machines.  A few fixes and cleanups.

  Summary:

  intel-vbtn:
   - new driver for Intel Virtual Button

  intel_pmc_core:
   - Convert to DEFINE_DEBUGFS_ATTRIBUTE

  fujitsu-laptop:
   - Rework brightness of eco led

  asus-wmi:
   - Add quirk_no_rfkill_wapf4 for the Asus X456UA
   - Add quirk_no_rfkill_wapf4 for the Asus X456UF
   - Add quirk_no_rfkill for the Asus Z550MA
   - Add quirk_no_rfkill for the Asus U303LB
   - Add quirk_no_rfkill for the Asus N552VW
   - Create quirk for airplane_mode LED
   - Add ambient light sensor toggle key

  asus-wireless:
   - Toggle airplane mode LED

  intel_telemetry:
   - Remove Monitor MWAIT feature dependency

  intel-hid:
   - Remove duplicated acpi_remove_notify_handler

  fujitsu-laptop:
   - Add support for eco LED
   - Support touchpad toggle hotkey on Skylake-based models
   - Remove unused macros
   - Use module name in debug messages

  hp-wmi:
   - Fix wifi cannot be hard-unblocked

  toshiba_acpi:
   - Bump driver version and update copyright year
   - Remove the position sysfs entry
   - Add IIO interface for accelerometer axis data

  dell-wmi:
   - Add a WMI event code for display on/off
   - Generate one sparse keymap for all machines
   - Add information about other WMI event codes
   - Sort WMI event codes and update comments
   - Ignore WMI event code 0xe045"

* tag 'platform-drivers-x86-v4.8-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (26 commits)
  intel-vbtn: new driver for Intel Virtual Button
  intel_pmc_core: Convert to DEFINE_DEBUGFS_ATTRIBUTE
  fujitsu-laptop: Rework brightness of eco led
  asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UA
  asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UF
  asus-wmi: Add quirk_no_rfkill for the Asus Z550MA
  asus-wmi: Add quirk_no_rfkill for the Asus U303LB
  asus-wmi: Add quirk_no_rfkill for the Asus N552VW
  asus-wmi: Create quirk for airplane_mode LED
  asus-wireless: Toggle airplane mode LED
  intel_telemetry: Remove Monitor MWAIT feature dependency
  intel-hid: Remove duplicated acpi_remove_notify_handler
  asus-wmi: Add ambient light sensor toggle key
  fujitsu-laptop: Add support for eco LED
  fujitsu-laptop: Support touchpad toggle hotkey on Skylake-based models
  fujitsu-laptop: Remove unused macros
  fujitsu-laptop: Use module name in debug messages
  hp-wmi: Fix wifi cannot be hard-unblocked
  toshiba_acpi: Bump driver version and update copyright year
  toshiba_acpi: Remove the position sysfs entry
  ...
2016-07-26 17:23:08 -07:00
Linus Torvalds 8e466955d6 Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar:
 "The main changes in this cycle were:

   - Intel-SoC enhancements (Andy Shevchenko)

   - Intel CPU symbolic model definition rework (Dave Hansen)

   - ... other misc changes"

* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (25 commits)
  x86/sfi: Enable enumeration of SD devices
  x86/pci: Use MRFLD abbreviation for Merrifield
  x86/platform/intel-mid: Make vertical indentation consistent
  x86/platform/intel-mid: Mark regulators explicitly defined
  x86/platform/intel-mid: Rename mrfl.c to mrfld.c
  x86/platform/intel-mid: Enable spidev on Intel Edison boards
  x86/platform/intel-mid: Extend PWRMU to support Penwell
  x86/pci, x86/platform/intel_mid_pci: Remove duplicate power off code
  x86/platform/intel-mid: Add pinctrl for Intel Merrifield
  x86/platform/intel-mid: Enable GPIO expanders on Edison
  x86/platform/intel-mid: Add Power Management Unit driver
  x86/platform/atom/punit: Enable support for Merrifield
  x86/platform/intel_mid_pci: Rework IRQ0 workaround
  x86, thermal: Clean up and fix CPU model detection for intel_soc_dts_thermal
  x86, mmc: Use Intel family name macros for mmc driver
  x86/intel_telemetry: Use Intel family name macros for telemetry driver
  x86/acpi/lss: Use Intel family name macros for the acpi_lpss driver
  x86/cpufreq: Use Intel family name macros for the intel_pstate cpufreq driver
  x86/platform: Use new Intel model number macros
  x86/intel_idle: Use Intel family macros for intel_idle
  ...
2016-07-25 19:15:35 -07:00
Linus Torvalds 7e4dc77b28 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
 "With over 300 commits it's been a busy cycle - with most of the work
  concentrated on the tooling side (as it should).

  The main kernel side enhancements were:

   - Add per event callchain limit: Recently we introduced a sysctl to
     tune the max-stack for all events for which callchains were
     requested:

       $ sysctl kernel.perf_event_max_stack
       kernel.perf_event_max_stack = 127

     Now this patch introduces a way to configure this per event, i.e.
     this becomes possible:

       $ perf record -e sched:*/max-stack=2/ -e block:*/max-stack=10/ -a

     allowing finer tuning of how much buffer space callchains use.

     This uses an u16 from the reserved space at the end, leaving
     another u16 for future use.

     There has been interest in even finer tuning, namely to control the
     max stack for kernel and userspace callchains separately.  Further
     discussion is needed, we may for instance use the remaining u16 for
     that and when it is present, assume that the sample_max_stack
     introduced in this patch applies for the kernel, and the u16 left
     is used for limiting the userspace callchain (Arnaldo Carvalho de
     Melo)

   - Optimize AUX event (hardware assisted side-band event) delivery
     (Kan Liang)

   - Rework Intel family name macro usage (this is partially x86 arch
     work) (Dave Hansen)

   - Refine and fix Intel LBR support (David Carrillo-Cisneros)

   - Add support for Intel 'TopDown' events (Andi Kleen)

   - Intel uncore PMU driver fixes and enhancements (Kan Liang)

   - ... other misc changes.

  Here's an incomplete list of the tooling enhancements (but there's
  much more, see the shortlog and the git log for details):

   - Support cross unwinding, i.e.  collecting '--call-graph dwarf'
     perf.data files in one machine and then doing analysis in another
     machine of a different hardware architecture.  This enables, for
     instance, to do:

       $ perf record -a --call-graph dwarf

     on a x86-32 or aarch64 system and then do 'perf report' on it on a
     x86_64 workstation (He Kuang)

   - Allow reading from a backward ring buffer (one setup via
     sys_perf_event_open() with perf_event_attr.write_backward = 1)
     (Wang Nan)

   - Finish merging initial SDT (Statically Defined Traces) support, see
     cset comments for details about how it all works (Masami Hiramatsu)

   - Support attaching eBPF programs to tracepoints (Wang Nan)

   - Add demangling of symbols in programs written in the Rust language
     (David Tolnay)

   - Add support for tracepoints in the python binding, including an
     example, that sets up and parses sched:sched_switch events,
     tools/perf/python/tracepoint.py (Jiri Olsa)

   - Introduce --stdio-color to set up the color output mode selection
     in 'annotate' and 'report', allowing emit color escape sequences
     when redirecting the output of these tools (Arnaldo Carvalho de
     Melo)

   - Add 'callindent' option to 'perf script -F', to indent the Intel PT
     call stack, making this output more ftrace-like (Adrian Hunter,
     Andi Kleen)

   - Allow dumping the object files generated by llvm when processing
     eBPF scriptlet events (Wang Nan)

   - Add stackcollapse.py script to help generating flame graphs (Paolo
     Bonzini)

   - Add --ldlat option to 'perf mem' to specify load latency for loads
     event (e.g. cpu/mem-loads/ ) (Jiri Olsa)

   - Tooling support for Intel TopDown counters, recently added to the
     kernel (Andi Kleen)"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (303 commits)
  perf tests: Add is_printable_array test
  perf tools: Make is_printable_array global
  perf script python: Fix string vs byte array resolving
  perf probe: Warn unmatched function filter correctly
  perf cpu_map: Add more helpers
  perf stat: Balance opening and reading events
  tools: Copy linux/{hash,poison}.h and check for drift
  perf tools: Remove include/linux/list.h from perf's MANIFEST
  tools: Copy the bitops files accessed from the kernel and check for drift
  Remove: kernel unistd*h files from perf's MANIFEST, not used
  perf tools: Remove tools/perf/util/include/linux/const.h
  perf tools: Remove tools/perf/util/include/asm/byteorder.h
  perf tools: Add missing linux/compiler.h include to perf-sys.h
  perf jit: Remove some no-op error handling
  perf jit: Add missing curly braces
  objtool: Initialize variable to silence old compiler
  objtool: Add -I$(srctree)/tools/arch/$(ARCH)/include/uapi
  perf record: Add --tail-synthesize option
  perf session: Don't warn about out of order event if write_backward is used
  perf tools: Enable overwrite settings
  ...
2016-07-25 13:20:41 -07:00
Tomeu Vizoso 9798ac6d32 mfd: cros_ec: Add cros_ec_cmd_xfer_status() helper
So that callers of cros_ec_cmd_xfer() don't have to repeat boilerplate
code when checking for errors from the EC side.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-07-25 10:32:23 +02:00
AceLan Kao 332e081225 intel-vbtn: new driver for Intel Virtual Button
This driver supports power button event in Intel Virtual Button currently.
New Dell XPS 13 requires this driver for the power button.

This driver is copied/modified from intel-hid.c
Most credit goes to the author of intel-hid.c,
Alex Hung <alex.hung@canonical.com>

Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-07-22 13:17:40 -07:00
Yong, Jonathan 334da2d675 x86: Fix Apollo Lake Watchdog address in PMC driver
The TCO I/O base is 40h rather than the usual 30h, and the re_reboot
bit is at ACPIBASE+8.

Signed-off-by: Yong, Jonathan <jonathan.yong@intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2016-07-17 21:02:15 +02:00
Andy Shevchenko df2294fb64 intel_pmc_core: Convert to DEFINE_DEBUGFS_ATTRIBUTE
Refactor the code to use the recently introduced
DEFINE_DEBUGFS_ATTRIBUTE() macro to eliminate boilerplate code.
Make the absence of DEBUG_FS a non-fatal error.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-and-tested-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@intel.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-07-06 13:23:53 -07:00
Matej Groma 696789343b fujitsu-laptop: Rework brightness of eco led
For the sake of internal consistency, unset maximum brightness of eco
led and make it activatable only on values >= LED_FULL.

Signed-off-by: Matej Groma <matejgroma@gmail.com>
Acked-by: Jonathan Woithe <jwoithe@just42.net>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-07-06 11:31:12 -07:00
Dan Carpenter 096cdc6f52 platform/chrome: cros_ec_dev - double fetch bug in ioctl
We verify "u_cmd.outsize" and "u_cmd.insize" but we need to make sure
that those values have not changed between the two copy_from_user()
calls.  Otherwise it could lead to a buffer overflow.

Additionally, cros_ec_cmd_xfer() can set s_cmd->insize to a lower value.
We should use the new smaller value so we don't copy too much data to
the user.

Reported-by: Pengfei Wang <wpengfeinudt@gmail.com>
Fixes: a841178445 ('mfd: cros_ec: Use a zero-length array for command data')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Cc: <stable@vger.kernel.org> # v4.2+
Signed-off-by: Olof Johansson <olof@lixom.net>
2016-07-05 14:01:52 -07:00
João Paulo Rechi Vita 56a37a7200 asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UA
The Asus X456UA has an airplane-mode indicator LED and the WMI WLAN user
bit set, so asus-wmi uses ASUS_WMI_DEVID_WLAN_LED (0x00010002) to store
the wlan state, which has a side-effect of driving the airplane mode
indicator LED in an inverted fashion.

quirk_no_rfkill prevents asus-wmi from registering RFKill switches at
all for this laptop and allows asus-wireless to drive the LED through
the ASHS ACPI device.  This laptop already has a quirk for setting
WAPF=4, so use quirk_no_rfkill_wapf4, which both disables rfkill and
sets WAPF=4.

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Reported-by: Angela Traeger <angie@endlessm.com>
Reviewed-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-07-01 16:05:47 -07:00
João Paulo Rechi Vita a961a285b4 asus-wmi: Add quirk_no_rfkill_wapf4 for the Asus X456UF
The Asus X456UF has an airplane-mode indicator LED and the WMI WLAN user
bit set, so asus-wmi uses ASUS_WMI_DEVID_WLAN_LED (0x00010002) to store
the wlan state, which has a side-effect of driving the airplane mode
indicator LED in an inverted fashion.

quirk_no_rfkill prevents asus-wmi from registering RFKill switches at
all for this laptop and allows asus-wireless to drive the LED through
the ASHS ACPI device.  This laptop already has a quirk for setting
WAPF=4, so this commit creates a new quirk, quirk_no_rfkill_wapf4, which
both disables rfkill and sets WAPF=4.

Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com>
Reported-by: Carlo Caione <carlo@endlessm.com>
Reviewed-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
2016-07-01 16:01:42 -07:00