Commit Graph

7303 Commits

Author SHA1 Message Date
Linus Torvalds fe24a97cf2 Input updates for v6.1-rc5
- a fix for 8042 to stop leaking platform device on unload
 
 - a fix for Goodix touchscreens on devices like Nanote UMPC-01 where we
   need to reset controller to load config from firmware
 
 - a workaround for Acer Switch to avoid interrupt storm from home and
   power buttons
 
 - a workaround for more ASUS ZenBook models to detect keyboard
   controller
 
 - a fix for iforce driver to properly handle communication errors
 
 - touchpad on HP Laptop 15-da3001TU switched to RMI mode
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Merge tag 'input-for-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - a fix for 8042 to stop leaking platform device on unload

 - a fix for Goodix touchscreens on devices like Nanote UMPC-01 where we
   need to reset controller to load config from firmware

 - a workaround for Acer Switch to avoid interrupt storm from home and
   power buttons

 - a workaround for more ASUS ZenBook models to detect keyboard
   controller

 - a fix for iforce driver to properly handle communication errors

 - touchpad on HP Laptop 15-da3001TU switched to RMI mode

* tag 'input-for-v6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: i8042 - fix leaking of platform device on module removal
  Input: i8042 - apply probe defer to more ASUS ZenBook models
  Input: soc_button_array - add Acer Switch V 10 to dmi_use_low_level_irq[]
  Input: soc_button_array - add use_low_level_irq module parameter
  Input: iforce - invert valid length check when fetching device IDs
  Input: goodix - try resetting the controller when no config is set
  dt-bindings: input: touchscreen: Add compatible for Goodix GT7986U chip
  Input: synaptics - switch touchpad on HP Laptop 15-da3001TU to RMI mode
2022-11-18 17:56:29 -08:00
Chen Jun 81cd7e8489 Input: i8042 - fix leaking of platform device on module removal
Avoid resetting the module-wide i8042_platform_device pointer in
i8042_probe() or i8042_remove(), so that the device can be properly
destroyed by i8042_exit() on module unload.

Fixes: 9222ba68c3 ("Input: i8042 - add deferred probe support")
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Link: https://lore.kernel.org/r/20221109034148.23821-1-chenjun102@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-18 15:59:02 -08:00
Takashi Iwai 26c263bf18 Input: i8042 - apply probe defer to more ASUS ZenBook models
There are yet a few more ASUS ZenBook models that require the deferred
probe.  At least, there are different ZenBook UX325x and UX425x
models.  Let's extend the DMI matching table entries for adapting
those missing models.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20221108142027.28480-1-tiwai@suse.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-08 10:22:46 -08:00
Hans de Goede e13757f524 Input: soc_button_array - add Acer Switch V 10 to dmi_use_low_level_irq[]
Like on the Acer Switch 10 SW5-012, the Acer Switch V 10 SW5-017's _LID
method messes with home- and power-button GPIO IRQ settings, causing an
IRQ storm.

Add a quirk entry for the Acer Switch V 10 to the dmi_use_low_level_irq[]
DMI quirk list, to use low-level IRQs on this model, fixing the IRQ storm.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221106215320.67109-2-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-07 10:33:26 -08:00
Hans de Goede 8e9ada1d0e Input: soc_button_array - add use_low_level_irq module parameter
It seems that the Windows drivers for the ACPI0011 soc_button_array
device use low level triggered IRQs rather then using edge triggering.

Some ACPI tables depend on this, directly poking the GPIO controller's
registers to clear the trigger type when closing a laptop's/2-in-1's lid
and re-instating the trigger when opening the lid again.

Linux sets the edge/level on which to trigger to both low+high since
it is using edge type IRQs, the ACPI tables then ends up also setting
the bit for level IRQs and since both low and high level have been
selected by Linux we get an IRQ storm leading to soft lockups.

As a workaround for this the soc_button_array already contains
a DMI quirk table with device models known to have this issue.

Add a module parameter for this so that users can easily test if their
device is affected too and so that they can use the module parameter
as a workaround.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221106215320.67109-1-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-07 10:33:25 -08:00
Tetsuo Handa b8ebf25099 Input: iforce - invert valid length check when fetching device IDs
syzbot is reporting uninitialized value at iforce_init_device() [1], for
commit 6ac0aec6b0 ("Input: iforce - allow callers supply data buffer
when fetching device IDs") is checking that valid length is shorter than
bytes to read. Since iforce_get_id_packet() stores valid length when
returning 0, the caller needs to check that valid length is longer than or
equals to bytes to read.

Reported-by: syzbot <syzbot+4dd880c1184280378821@syzkaller.appspotmail.com>
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Fixes: 6ac0aec6b0 ("Input: iforce - allow callers supply data buffer when fetching device IDs")
Link: https://lore.kernel.org/r/531fb432-7396-ad37-ecba-3e42e7f56d5c@I-love.SAKURA.ne.jp
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-07 10:28:58 -08:00
Hans de Goede c7e37cc624 Input: goodix - try resetting the controller when no config is set
On ACPI systems (irq_pin_access_method == IRQ_PIN_ACCESS_ACPI_*) the driver
does not reset the controller at probe time, because sometimes the system
firmware loads a config and resetting might loose this config.

On the Nanote UMPC-01 device OTOH the config is in flash of the controller,
the controller needs a reset to load this; and the system firmware does not
reset the controller on a cold boot.

To fix the Nanote UMPC-01 touchscreen not working on a cold boot, try
resetting the controller and then re-reading the config when encountering
a config with 0 width/height/max_touch_num value and the controller has
not already been reset by goodix_ts_probe().

This should be safe to do in general because normally we should never
encounter a config with 0 width/height/max_touch_num. Doing this in
general not only avoids the need for a DMI quirk, but also might help
other systems.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20221025122930.421377-2-hdegoede@redhat.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-11-03 12:49:35 -07:00
Aman Dhoot ac5408991e Input: synaptics - switch touchpad on HP Laptop 15-da3001TU to RMI mode
The device works fine in native RMI mode, there is no reason to use legacy
PS/2 mode with it.

Signed-off-by: Aman Dhoot <amandhoot12@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-10-15 20:44:12 -07:00
Linus Torvalds 694b37a5dd Input updates for 6.1 merge window:
- a new driver for IBM Operational Panel
 
 - a new driver for PinePhone keyboards
 
 - RT5120 PMIC power key support
 
 - various enhancements and support for new models in xpad (Xbox) driver
 
 - a new compatible ID for Elan touchscreen driver
 
 - rework of adp5588-keys driver to support configuring via device
   properties (OF, ACPI, etc) instead of platform data, and proper support
   of optional gpiochip functionality (and removal of gpio-adp5588 driver)
 
 - improvements to firmware update handling in Synaptics RMI4 driver
 
 - support for double key matrix in mt6779-keypad
 
 - support for polled mode in adc-joystick driver
 
 - other assorted driver fixes, cleanups and improvements.
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Merge tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - a new driver for IBM Operational Panel

 - a new driver for PinePhone keyboards

 - RT5120 PMIC power key support

 - various enhancements and support for new models in xpad (Xbox) driver

 - a new compatible ID for Elan touchscreen driver

 - rework of adp5588-keys driver to support configuring via device
   properties (OF, ACPI, etc) instead of platform data, and proper
   support of optional gpiochip functionality (and removal of
   gpio-adp5588 driver)

 - improvements to firmware update handling in Synaptics RMI4 driver

 - support for double key matrix in mt6779-keypad

 - support for polled mode in adc-joystick driver

 - other assorted driver fixes, cleanups and improvements

* tag 'input-for-v6.1-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (90 commits)
  Input: i8042 - fix refount leak on sparc
  Input: i8042 - add LoongArch support in i8042-acpipnpio.h
  Input: i8042 - rename i8042-x86ia64io.h to i8042-acpipnpio.h
  Input: pinephone-keyboard - support the proxied I2C bus
  Input: pinephone-keyboard - add PinePhone keyboard driver
  dt-bindings: input: Add the PinePhone keyboard binding
  dt-bindings: input: Convert hid-over-i2c to DT schema
  input: drop empty comment blocks
  Input: xpad - add X-Box Adaptive Profile button
  Input: add ABS_PROFILE to uapi and documentation
  Input: xpad - add X-Box Adaptive XBox button
  Input: xpad - add X-Box Adaptive support
  Input: ims-pcu - fix spelling mistake "BOOLTLOADER" -> "BOOTLOADER"
  Input: ibm-panel - add missing MODULE_DEVICE_TABLE
  Input: icn8505 - utilize acpi_get_subsystem_id()
  Input: xpad - decipher xpadone packages with GIP defines
  Input: xpad - refactor using BIT() macro
  Input: synaptics-rmi4 - convert to use sysfs_emit() APIs
  Input: twl4030-pwrbutton - add missing of.h include
  Input: applespi - replace zero-length array with DECLARE_FLEX_ARRAY() helper
  ...
2022-10-11 10:53:25 -07:00
Linus Torvalds 27bc50fc90 - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
linux-next for a couple of months without, to my knowledge, any negative
   reports (or any positive ones, come to that).
 
 - Also the Maple Tree from Liam R.  Howlett.  An overlapping range-based
   tree for vmas.  It it apparently slight more efficient in its own right,
   but is mainly targeted at enabling work to reduce mmap_lock contention.
 
   Liam has identified a number of other tree users in the kernel which
   could be beneficially onverted to mapletrees.
 
   Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
   (https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com).
   This has yet to be addressed due to Liam's unfortunately timed
   vacation.  He is now back and we'll get this fixed up.
 
 - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer.  It uses
   clang-generated instrumentation to detect used-unintialized bugs down to
   the single bit level.
 
   KMSAN keeps finding bugs.  New ones, as well as the legacy ones.
 
 - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
   memory into THPs.
 
 - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to support
   file/shmem-backed pages.
 
 - userfaultfd updates from Axel Rasmussen
 
 - zsmalloc cleanups from Alexey Romanov
 
 - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and memory-failure
 
 - Huang Ying adds enhancements to NUMA balancing memory tiering mode's
   page promotion, with a new way of detecting hot pages.
 
 - memcg updates from Shakeel Butt: charging optimizations and reduced
   memory consumption.
 
 - memcg cleanups from Kairui Song.
 
 - memcg fixes and cleanups from Johannes Weiner.
 
 - Vishal Moola provides more folio conversions
 
 - Zhang Yi removed ll_rw_block() :(
 
 - migration enhancements from Peter Xu
 
 - migration error-path bugfixes from Huang Ying
 
 - Aneesh Kumar added ability for a device driver to alter the memory
   tiering promotion paths.  For optimizations by PMEM drivers, DRM
   drivers, etc.
 
 - vma merging improvements from Jakub Matěn.
 
 - NUMA hinting cleanups from David Hildenbrand.
 
 - xu xin added aditional userspace visibility into KSM merging activity.
 
 - THP & KSM code consolidation from Qi Zheng.
 
 - more folio work from Matthew Wilcox.
 
 - KASAN updates from Andrey Konovalov.
 
 - DAMON cleanups from Kaixu Xia.
 
 - DAMON work from SeongJae Park: fixes, cleanups.
 
 - hugetlb sysfs cleanups from Muchun Song.
 
 - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.
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Merge tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull MM updates from Andrew Morton:

 - Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
   linux-next for a couple of months without, to my knowledge, any
   negative reports (or any positive ones, come to that).

 - Also the Maple Tree from Liam Howlett. An overlapping range-based
   tree for vmas. It it apparently slightly more efficient in its own
   right, but is mainly targeted at enabling work to reduce mmap_lock
   contention.

   Liam has identified a number of other tree users in the kernel which
   could be beneficially onverted to mapletrees.

   Yu Zhao has identified a hard-to-hit but "easy to fix" lockdep splat
   at [1]. This has yet to be addressed due to Liam's unfortunately
   timed vacation. He is now back and we'll get this fixed up.

 - Dmitry Vyukov introduces KMSAN: the Kernel Memory Sanitizer. It uses
   clang-generated instrumentation to detect used-unintialized bugs down
   to the single bit level.

   KMSAN keeps finding bugs. New ones, as well as the legacy ones.

 - Yang Shi adds a userspace mechanism (madvise) to induce a collapse of
   memory into THPs.

 - Zach O'Keefe has expanded Yang Shi's madvise(MADV_COLLAPSE) to
   support file/shmem-backed pages.

 - userfaultfd updates from Axel Rasmussen

 - zsmalloc cleanups from Alexey Romanov

 - cleanups from Miaohe Lin: vmscan, hugetlb_cgroup, hugetlb and
   memory-failure

 - Huang Ying adds enhancements to NUMA balancing memory tiering mode's
   page promotion, with a new way of detecting hot pages.

 - memcg updates from Shakeel Butt: charging optimizations and reduced
   memory consumption.

 - memcg cleanups from Kairui Song.

 - memcg fixes and cleanups from Johannes Weiner.

 - Vishal Moola provides more folio conversions

 - Zhang Yi removed ll_rw_block() :(

 - migration enhancements from Peter Xu

 - migration error-path bugfixes from Huang Ying

 - Aneesh Kumar added ability for a device driver to alter the memory
   tiering promotion paths. For optimizations by PMEM drivers, DRM
   drivers, etc.

 - vma merging improvements from Jakub Matěn.

 - NUMA hinting cleanups from David Hildenbrand.

 - xu xin added aditional userspace visibility into KSM merging
   activity.

 - THP & KSM code consolidation from Qi Zheng.

 - more folio work from Matthew Wilcox.

 - KASAN updates from Andrey Konovalov.

 - DAMON cleanups from Kaixu Xia.

 - DAMON work from SeongJae Park: fixes, cleanups.

 - hugetlb sysfs cleanups from Muchun Song.

 - Mike Kravetz fixes locking issues in hugetlbfs and in hugetlb core.

Link: https://lkml.kernel.org/r/CAOUHufZabH85CeUN-MEMgL8gJGzJEWUrkiM58JkTbBhh-jew0Q@mail.gmail.com [1]

* tag 'mm-stable-2022-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (555 commits)
  hugetlb: allocate vma lock for all sharable vmas
  hugetlb: take hugetlb vma_lock when clearing vma_lock->vma pointer
  hugetlb: fix vma lock handling during split vma and range unmapping
  mglru: mm/vmscan.c: fix imprecise comments
  mm/mglru: don't sync disk for each aging cycle
  mm: memcontrol: drop dead CONFIG_MEMCG_SWAP config symbol
  mm: memcontrol: use do_memsw_account() in a few more places
  mm: memcontrol: deprecate swapaccounting=0 mode
  mm: memcontrol: don't allocate cgroup swap arrays when memcg is disabled
  mm/secretmem: remove reduntant return value
  mm/hugetlb: add available_huge_pages() func
  mm: remove unused inline functions from include/linux/mm_inline.h
  selftests/vm: add selftest for MADV_COLLAPSE of uffd-minor memory
  selftests/vm: add file/shmem MADV_COLLAPSE selftest for cleared pmd
  selftests/vm: add thp collapse shmem testing
  selftests/vm: add thp collapse file and tmpfs testing
  selftests/vm: modularize thp collapse memory operations
  selftests/vm: dedup THP helpers
  mm/khugepaged: add tracepoint to hpage_collapse_scan_file()
  mm/madvise: add file and shmem support to MADV_COLLAPSE
  ...
2022-10-10 17:53:04 -07:00
Dmitry Torokhov 5f8f8574c7 Merge branch 'next' into for-linus
Prepare input updates for 6.1 merge window.
2022-10-09 22:30:23 -07:00
Liang He fe5b6aaef7 Input: i8042 - fix refount leak on sparc
In i8042_platform_init() and i8042_platform_exit(), we should call
of_node_put() for the reference 'root' returned by
of_find_node_by_path() which has increased the refcount.

Fixes: f57caaefac ("[SERIO] i8042-sparcio.h: Convert to of_driver framework.")
Signed-off-by: Liang He <windhl@126.com>
Link: https://lore.kernel.org/r/20220711064300.358757-1-windhl@126.com
[dtor: rearranged i8042_is_mr_coffee() a bit]
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-10-09 22:26:53 -07:00
Huacai Chen fdd7c96176 Input: i8042 - add LoongArch support in i8042-acpipnpio.h
LoongArch uses ACPI and nearly the same as X86/IA64 for 8042. So modify
i8042-acpipnpio.h slightly and enable it for LoongArch in i8042.h. Then
i8042 driver can work well under the ACPI firmware with PNP typed key-
board and mouse configured in DSDT.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20220917064020.1639709-2-chenhuacai@loongson.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-10-09 22:26:52 -07:00
Huacai Chen 8761b9b580 Input: i8042 - rename i8042-x86ia64io.h to i8042-acpipnpio.h
Now i8042-x86ia64io.h is shared by X86 and IA64, but it can be shared
by more platforms (such as LoongArch) with ACPI firmware on which PNP
typed keyboard and mouse is configured in DSDT. So rename it to i8042-
acpipnpio.h.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20220917064020.1639709-1-chenhuacai@loongson.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-10-09 22:26:52 -07:00
Samuel Holland 63c5eb157c Input: pinephone-keyboard - support the proxied I2C bus
The PinePhone keyboard case contains a battery managed by an integrated
power bank IC. The power bank IC communicates over I2C, and the keyboard
MCU firmware provides an interface to read and write its registers.
Let's use this interface to implement a SMBus adapter, so we can reuse
the driver for the power bank IC.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220618165747.55709-4-samuel@sholland.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-10-09 22:26:52 -07:00
Samuel Holland 17406967ec Input: pinephone-keyboard - add PinePhone keyboard driver
The official Pine64 PinePhone keyboard case contains a matrix keypad and
a MCU which runs a libre firmware. Add support for its I2C interface.

Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20220618165747.55709-3-samuel@sholland.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-10-09 22:26:52 -07:00
Linus Torvalds b86406d42a * 'remove' callback converted to return void. Big change with trivial
fixes all over the tree. Other subsystems depending on this change
   have been asked to pull an immutable topic branch for this.
 * new driver for Microchip PCI1xxxx switch
 * heavy refactoring of the Mellanox BlueField driver
 * we prefer async probe in the i801 driver now
 * the rest is usual driver updates (support for more SoCs, some
   refactoring, some feature additions)
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Merge tag 'i2c-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

Pull i2c updates from Wolfram Sang:

 - 'remove' callback converted to return void. Big change with trivial
   fixes all over the tree. Other subsystems depending on this change
   have been asked to pull an immutable topic branch for this.

 - new driver for Microchip PCI1xxxx switch

 - heavy refactoring of the Mellanox BlueField driver

 - we prefer async probe in the i801 driver now

 - the rest is usual driver updates (support for more SoCs, some
   refactoring, some feature additions)

* tag 'i2c-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (37 commits)
  i2c: pci1xxxx: prevent signed integer overflow
  i2c: acpi: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
  i2c: i801: Prefer async probe
  i2c: designware-pci: Use standard pattern for memory allocation
  i2c: designware-pci: Group AMD NAVI quirk parts together
  i2c: microchip: pci1xxxx: Add driver for I2C host controller in multifunction endpoint of pci1xxxx switch
  docs: i2c: slave-interface: return errno when handle I2C_SLAVE_WRITE_REQUESTED
  i2c: mlxbf: remove device tree support
  i2c: mlxbf: support BlueField-3 SoC
  i2c: cadence: Add standard bus recovery support
  i2c: mlxbf: add multi slave functionality
  i2c: mlxbf: support lock mechanism
  macintosh/ams: Adapt declaration of ams_i2c_remove() to earlier change
  i2c: riic: Use devm_platform_ioremap_resource()
  i2c: mlxbf: remove IRQF_ONESHOT
  dt-bindings: i2c: rockchip: add rockchip,rk3128-i2c
  dt-bindings: i2c: renesas,rcar-i2c: Add r8a779g0 support
  i2c: tegra: Add GPCDMA support
  i2c: scmi: Convert to be a platform driver
  i2c: rk3x: Add rv1126 support
  ...
2022-10-04 18:54:33 -07:00
Linus Torvalds a5088ee725 Thermal control updates for 6.1-rc1
- Rework the device tree initialization, convert the drivers to the
    new API and remove the old OF code (Daniel Lezcano).
 
  - Fix return value to -ENODEV when searching for a specific thermal
    zone which does not exist (Daniel Lezcano).
 
  - Fix the return value inspection in of_thermal_zone_find() (Dan
    Carpenter).
 
  - Fix kernel panic when KASAN is enabled as it detects use after
    free when unregistering a thermal zone (Daniel Lezcano).
 
  - Move the set_trip ops inside the therma sysfs code (Daniel Lezcano).
 
  - Remove unnecessary error message as it is already shown in the
    underlying function (Jiapeng Chong).
 
  - Rework the monitoring path and move the locks upper in the call
    stack to fix some potentials race windows (Daniel Lezcano).
 
  - Fix lockdep_assert() warning introduced by the lock rework (Daniel
    Lezcano).
 
  - Do not lock thermal zone mutex in the user space governor (Rafael
    Wysocki).
 
  - Revert the Mellanox 'hotter thermal zone' feature because it is
    already handled in the thermal framework core code (Daniel Lezcano).
 
  - Increase maximum number of trip points in the thermal core (Sumeet
    Pawnikar).
 
  - Replace strlcpy() with unused retval with strscpy() in the core
    thermal control code (Wolfram Sang).
 
  - Use module_pci_driver() macro in the int340x processor_thermal
    driver (Shang XiaoJing).
 
  - Use get_cpu() instead of smp_processor_id() in the intel_powerclamp
    thermal driver to prevent it from crashing and remove unused
    accounting for IRQ wakes from it (Srinivas Pandruvada).
 
  - Consolidate priv->data_vault checks in int340x_thermal (Rafael
    Wysocki).
 
  - Check the policy first in cpufreq_cooling_register() (Xuewen Yan).
 
  - Drop redundant error message from da9062-thermal (zhaoxiao).
 
  - Drop of_match_ptr() from thermal_mmio (Jean Delvare).
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Merge tag 'thermal-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "The most significant part of this update is the thermal control DT
  initialization rework from Daniel Lezcano and the following conversion
  of drivers to use the new API introduced by it

  Apart from that, the maximum number of trip points in a thermal zone
  is increased and there are some fixes and code cleanups

  Specifics:

   - Rework the device tree initialization, convert the drivers to the
     new API and remove the old OF code (Daniel Lezcano)

   - Fix return value to -ENODEV when searching for a specific thermal
     zone which does not exist (Daniel Lezcano)

   - Fix the return value inspection in of_thermal_zone_find() (Dan
     Carpenter)

   - Fix kernel panic when KASAN is enabled as it detects use after free
     when unregistering a thermal zone (Daniel Lezcano)

   - Move the set_trip ops inside the therma sysfs code (Daniel Lezcano)

   - Remove unnecessary error message as it is already shown in the
     underlying function (Jiapeng Chong)

   - Rework the monitoring path and move the locks upper in the call
     stack to fix some potentials race windows (Daniel Lezcano)

   - Fix lockdep_assert() warning introduced by the lock rework (Daniel
     Lezcano)

   - Do not lock thermal zone mutex in the user space governor (Rafael
     Wysocki)

   - Revert the Mellanox 'hotter thermal zone' feature because it is
     already handled in the thermal framework core code (Daniel Lezcano)

   - Increase maximum number of trip points in the thermal core (Sumeet
     Pawnikar)

   - Replace strlcpy() with unused retval with strscpy() in the core
     thermal control code (Wolfram Sang)

   - Use module_pci_driver() macro in the int340x processor_thermal
     driver (Shang XiaoJing)

   - Use get_cpu() instead of smp_processor_id() in the intel_powerclamp
     thermal driver to prevent it from crashing and remove unused
     accounting for IRQ wakes from it (Srinivas Pandruvada)

   - Consolidate priv->data_vault checks in int340x_thermal (Rafael
     Wysocki)

   - Check the policy first in cpufreq_cooling_register() (Xuewen Yan)

   - Drop redundant error message from da9062-thermal (zhaoxiao)

   - Drop of_match_ptr() from thermal_mmio (Jean Delvare)"

* tag 'thermal-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (55 commits)
  thermal: core: Increase maximum number of trip points
  thermal: int340x: processor_thermal: Use module_pci_driver() macro
  thermal: intel_powerclamp: Remove accounting for IRQ wakes
  thermal: intel_powerclamp: Use get_cpu() instead of smp_processor_id() to avoid crash
  thermal: int340x_thermal: Consolidate priv->data_vault checks
  thermal: cpufreq_cooling: Check the policy first in cpufreq_cooling_register()
  thermal: Drop duplicate words from comments
  thermal: move from strlcpy() with unused retval to strscpy()
  thermal: da9062-thermal: Drop redundant error message
  thermal/drivers/thermal_mmio: Drop of_match_ptr()
  thermal: gov_user_space: Do not lock thermal zone mutex
  Revert "mlxsw: core: Add the hottest thermal zone detection"
  thermal/core: Fix lockdep_assert() warning
  thermal/core: Move the mutex inside the thermal_zone_device_update() function
  thermal/core: Move the thermal zone lock out of the governors
  thermal/governors: Group the thermal zone lock inside the throttle function
  thermal/core: Rework the monitoring a bit
  thermal/core: Rearm the monitoring only one time
  thermal/drivers/qcom/spmi-adc-tm5: Remove unnecessary print function dev_err()
  thermal/of: Remove old OF code
  ...
2022-10-03 15:33:38 -07:00
Alexander Potapenko 38317724f6 input: libps2: mark data received in __ps2_command() as initialized
KMSAN does not know that the device initializes certain bytes in
ps2dev->cmdbuf.  Call kmsan_unpoison_memory() to explicitly mark them as
initialized.

Link: https://lkml.kernel.org/r/20220915150417.722975-21-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrey Konovalov <andreyknvl@gmail.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Eric Biggers <ebiggers@google.com>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Marco Elver <elver@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vegard Nossum <vegard.nossum@oracle.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-10-03 14:03:21 -07:00
Christophe JAILLET 2d09ac951b input: drop empty comment blocks
Commit 1a59d1b8e0 ("treewide: Replace GPLv2 boilerplate/reference with
SPDX - rule 156") has left some empty comment blocks.

Remove them to save a few lines of code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/26a2b905b259bfffaf2de5b26f2007b8606970ed.1664478665.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-29 16:25:42 -07:00
Linus Torvalds da9eede6b2 Input updates for v6.0-rc7
- small fixes for iqs62x-keys and melfas_mip4 drivers
 
 - corrected register address in snvs_pwrkey driver
 
 - Synaptic driver will stop trying to use intertouch (native) mode on
   some Lenovo AMD devices
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Merge tag 'input-for-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - small fixes for iqs62x-keys and melfas_mip4 drivers

 - corrected register address in snvs_pwrkey driver

 - Synaptic driver will stop trying to use intertouch (native) mode on
   some Lenovo AMD devices

* tag 'input-for-v6.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: snvs_pwrkey - fix SNVS_HPVIDR1 register address
  Input: synaptics - disable Intertouch for Lenovo T14 and P14s AMD G1
  Input: iqs62x-keys - drop unused device node references
  Input: melfas_mip4 - fix return value check in mip4_probe()
2022-09-29 08:22:53 -07:00
Nate Yocom fff1011a26 Input: xpad - add X-Box Adaptive Profile button
Adds a new quirk for controllers that have a Profile button which has 4
states, reflected as an ABS_PROFILE axis with 4 values.

Signed-off-by: Nate Yocom <nate@yocom.org>
Tested-by: Bastien Nocera <hadess@hadess.net>
Link: https://lore.kernel.org/r/20220908173930.28940-6-nate@yocom.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-28 18:31:39 -07:00
Nate Yocom f45aaae620 Input: xpad - add X-Box Adaptive XBox button
Adaptive controller sets 0x02 bit for this button, all others set 0x01
so presence of either is used for BTN_MODE.

Signed-off-by: Nate Yocom <nate@yocom.org>
Tested-by: Bastien Nocera <hadess@hadess.net>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com
Link: https://lore.kernel.org/r/20220908173930.28940-3-nate@yocom.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-28 18:31:36 -07:00
Nate Yocom d218fe0433 Input: xpad - add X-Box Adaptive support
Adds correct VID/PID for this XTYPE_XBOXONE compatible controller to
xpad_device[] table.

Signed-off-by: Nate Yocom <nate@yocom.org>
Tested-by: Bastien Nocera <hadess@hadess.net>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20220908173930.28940-2-nate@yocom.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-28 18:31:34 -07:00
Colin Ian King c85c36798b Input: ims-pcu - fix spelling mistake "BOOLTLOADER" -> "BOOTLOADER"
There is a spelling mistake in a dev_err message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220928211003.61872-1-colin.i.king@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-28 15:22:46 -07:00
Zeng Heng 25d0bef5d1 Input: ibm-panel - add missing MODULE_DEVICE_TABLE
This patch adds missing MODULE_DEVICE_TABLE definition which generates
correct modalias for automatic loading of this driver when it is built
as an external module.

Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Link: https://lore.kernel.org/r/20220928143133.1809491-1-zengheng4@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-28 09:04:32 -07:00
Andy Shevchenko 600655cdc0 Input: icn8505 - utilize acpi_get_subsystem_id()
Replace open coded variant of recently introduced
acpi_get_subsystem_id().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220928110548.43955-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-28 09:01:32 -07:00
Pavel Rojtberg 677065244a Input: xpad - decipher xpadone packages with GIP defines
only renames, no functional changes. Some of the packets we send
seem superfluous now. Unfortunately I dont have the hardware to verify
whether they are.

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Link: https://lore.kernel.org/r/20220913213133.584979-3-rojtberg@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-27 18:03:46 -07:00
Pavel Rojtberg 90c9978959 Input: xpad - refactor using BIT() macro
reduces the amount of magic numbers and makes the code more readable

Signed-off-by: Pavel Rojtberg <rojtberg@gmail.com>
Link: https://lore.kernel.org/r/20220913213133.584979-2-rojtberg@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-27 18:03:44 -07:00
zhang songyi 9dedc91593 Input: synaptics-rmi4 - convert to use sysfs_emit() APIs
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the value
to be returned to user space.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: zhang songyi <zhang.songyi@zte.com.cn>
Link: https://lore.kernel.org/r/20220927070936.258300-1-zhang.songyi@zte.com.cn
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-27 09:00:41 -07:00
Dmitry Torokhov 2b7672b0fa Input: twl4030-pwrbutton - add missing of.h include
The driver is using of_match_ptr() and therefore needs to include
of.h header.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220927052217.2784593-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-27 08:43:04 -07:00
Sebastian Krzyszkowiak e62563db85 Input: snvs_pwrkey - fix SNVS_HPVIDR1 register address
Both i.MX6 and i.MX8 reference manuals list 0xBF8 as SNVS_HPVIDR1
(chapters 57.9 and 6.4.5 respectively).

Without this, trying to read the revision number results in 0 on
all revisions, causing the i.MX6 quirk to apply on all platforms,
which in turn causes the driver to synthesise power button release
events instead of passing the real one as they happen even on
platforms like i.MX8 where that's not wanted.

Fixes: 1a26c92071 ("Input: snvs_pwrkey - send key events for i.MX6 S, DL and Q")
Tested-by: Martin Kepplinger <martin.kepplinger@puri.sm>
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/4599101.ElGaqSPkdT@pliszka
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-27 07:18:30 -07:00
Gustavo A. R. Silva 24613f7c7f Input: applespi - replace zero-length array with DECLARE_FLEX_ARRAY() helper
Zero-length arrays are deprecated and we are moving towards adopting
C99 flexible-array members, instead. So, replace zero-length arrays
declarations in anonymous union with the new DECLARE_FLEX_ARRAY()
helper macro.

This helper allows for flexible-array members in unions.

Link: https://github.com/KSPP/linux/issues/193
Link: https://github.com/KSPP/linux/issues/219
Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/YzIeJeqU73G+UI8g@work
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-26 22:02:32 -07:00
Dmitry Torokhov da7a0123ed Input: ep93xx_keypad - add missing linux/input.h include
We are going to clean up matrix_keymap.h from unnecessary includes,
so the driver needs to include API that it uses directly.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220923194738.927408-5-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-26 08:15:17 -07:00
Dmitry Torokhov 4e9cded619 Input: imx_keypad - add missing linux/input.h include
We are going to clean up matrix_keymap.h from unnecessary includes,
so the driver needs to include API that it uses directly.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220923194738.927408-4-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-26 08:15:10 -07:00
Dmitry Torokhov 81a7cba79d Input: mt6779-keypad - add missing linux/input.h include
We are going to clean up matrix_keymap.h from unnecessary includes,
so the driver needs to include API that it uses directly.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220923194738.927408-3-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-26 08:15:03 -07:00
Dmitry Torokhov d25a9d8f8d Input: st-keyscan - add missing linux/input.h and linux/of.h includes
We are going to clean up matrix_keymap.h from unnecessary includes,
so the driver needs to include API that it uses directly.

Also let's sort includes alphabetically.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220923194738.927408-2-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-26 08:14:29 -07:00
Dmitry Torokhov ddc9589d79 Input: lm8333 - add missing linux/input.h include
We are going to clean up matrix_keymap.h from unnecessary includes,
so the driver needs to include API that it uses directly.

Also let's sort includes alphabetically and drop unneeded irq.h

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220923194738.927408-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-26 08:13:24 -07:00
Jason Wang 5db8a0d31c Input: joydev - fix comment typo
The double `from' is duplicated in the comment, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220804120800.60415-1-wangborong@cdjrlc.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-25 00:57:25 -07:00
Peter Ujfalusi 6dc0a438f9 Input: twl4030-vibra - drop legacy, non DT boot support
Legacy or non DT boot is no longer possible on systems where the
tw4030/5030 is used.

Drop the support for handling legacy pdata.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20220616153323.29464-1-peter.ujfalusi@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-24 22:40:04 -07:00
Mark Pearson 2fd003ee8a Input: synaptics - disable Intertouch for Lenovo T14 and P14s AMD G1
Since intertouch was enabled for the T14 and P14s AMD G1 laptops there
have been a number of reports of touchpads not working well.

Debugging this with Synaptics they noted that intertouch should not be
enabled as SMBUS host notify is not available on these laptops.

Reverting the previous commit (e4ce4d3a93)
to restore functionality back to what it was.

Note - we are working with Synaptics to see if there is a better
solution, but nothing is confirmed as yet.

Signed-off-by: Mark Pearson <markpearson@lenovo.com>
Link: https://lore.kernel.org/r/20220920193936.8709-1-markpearson@lenovo.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-24 22:18:13 -07:00
Jeff LaBundy e336d85e5b Input: iqs62x-keys - drop unused device node references
Each call to device/fwnode_get_named_child_node() must be matched
with a call to fwnode_handle_put() once the corresponding node is
no longer in use. This ensures a reference count remains balanced
in the case of dynamic device tree support.

Currently, the driver never calls fwnode_handle_put(). This patch
adds the missing calls.

Fixes: ce1cb0eec8 ("input: keyboard: Add support for Azoteq IQS620A/621/622/624/625")
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/YyYbYvlkq5cy55dc@nixie71
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-24 22:17:43 -07:00
Yang Yingliang a54dc27bd2 Input: melfas_mip4 - fix return value check in mip4_probe()
devm_gpiod_get_optional() may return ERR_PTR(-EPROBE_DEFER),
add a minus sign to fix it.

Fixes: 6ccb1d8f78 ("Input: add MELFAS MIP4 Touchscreen driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220924030715.1653538-1-yangyingliang@huawei.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-24 22:09:49 -07:00
Matthias Schiffer 87d3d1b140 Input: synaptics-rmi4 - drop useless gotos in rmi_f34v7_do_reflash()
Returning directly makes the code clearer.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-10-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:14 -07:00
Matthias Schiffer 7d128a8d41 Input: synaptics-rmi4 - simplify rmi_f34v7_start_reflash()
rmi_f34v7_enter_flash_prog() already enables IRQs and checks the flash
status - there's no need for rmi_f34v7_start_reflash() to do the same just
before calling rmi_f34v7_enter_flash_prog().

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-9-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:13 -07:00
Matthias Schiffer b077d523d4 Input: synaptics-rmi4 - remove unneeded struct register_offset
All register offsets are fixed, and a number of places even read or
write multiple registers as a block, so there is no way to support
reordering them without move involved changes. Remove the unneeded level
of indirection in the register access.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-8-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:13 -07:00
Matthias Schiffer d8d007f25c Input: synaptics-rmi4 - make rmi_f34v7_erase_all() use the "erase all" command
A full erase is required to recover from error conditions like "Bad
Partition Table". Various individual partition erase commands can be
(and need to be) omitted, as they will fail until a new partition table
has been written.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-7-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:13 -07:00
Matthias Schiffer d316e709cd Input: synaptics-rmi4 - reset after writing partition table
When recovering from a bad partition table (for example after an
interrupted update), a reset is necessary for the new partition table to
become effective. Without this reset, writing the core code partition
will fail with status 0x03 (Invalid Command).

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-6-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:13 -07:00
Matthias Schiffer 0113b49bd9 Input: synaptics-rmi4 - rewrite partition table unconditionally
Preparation for use of the "erase application" command, which is required
to recover from a bad partition table error condition. Rather than adding
complex fallback error paths for such errors, it seems more robust to do
the full erase unconditionally.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-5-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:13 -07:00
Matthias Schiffer b4d6c6a07f Input: synaptics-rmi4 - fix command completion check for bootloader v7/v8
The command register is reset to 0 when a command has completed. Check
for this condition instead of the error status, which will not accurately
reflect completion. In particular, the incorrect condition caused every
command error to be reported as a timeout.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/20220608124808.51402-4-matthias.schiffer@ew.tq-group.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2022-09-23 13:00:13 -07:00