214 Commits
Author SHA1 Message Date
Linus Torvalds 3aae9383f4 Merge tag 'input-for-v7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:

 - new IDs for BETOP BTP-KP50B/C and Razer Wolverine V3 Pro added to
   xpad controller driver

 - another quirk for new TUXEDO InfinityBook added to i8042

 - a small fixup for Synaptics RMI4 driver to properly unlock mutex when
   encountering an error in F54

 - an update to bcm5974 touch controller driver to reliably switch into
   wellspring mode

* tag 'input-for-v7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: xpad - add support for BETOP BTP-KP50B/C controller's wireless mode
  Input: xpad - add support for Razer Wolverine V3 Pro
  Input: synaptics-rmi4 - fix a locking bug in an error path
  Input: i8042 - add TUXEDO InfinityBook Max 16 Gen10 AMD to i8042 quirk table
  Input: bcm5974 - recover from failed mode switch
2026-04-04 08:24:32 -07:00
Bart Van AsscheandDmitry Torokhov 7adaaee5ed Input: synaptics-rmi4 - fix a locking bug in an error path
Lock f54->data_mutex when entering the function statement since jumping
to the 'error' label when checking report_size fails causes that mutex
to be unlocked.

This bug has been detected by the Clang thread-safety checker.

Fixes: 3a762dbd53 ("[media] Input: synaptics-rmi4 - add support for F54 diagnostics")
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260223215118.2154194-16-bvanassche@acm.org
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2026-02-23 15:07:58 -08:00
Linus Torvalds bf4afc53b7 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
This was done entirely with mindless brute force, using

    git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
        xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'

to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.

Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.

For the same reason the 'flex' versions will be done as a separate
conversion.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-02-21 17:09:51 -08:00
Kees Cook 69050f8d6d treewide: Replace kmalloc with kmalloc_obj for non-scalar types
This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>
2026-02-21 01:02:28 -08:00
Dmitry Torokhov 8742bebb84 Input: synaptics-rmi4 - add includes for types used in rmi_2d_sensor.h
Headers should include definitions for types that they use.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2025-09-08 06:39:41 -07:00
Dmitry Torokhov df595059d5 Input: include export.h in modules using EXPORT_SYMBOL*()
A number of modules in the input subsystem use EXPORT_SYMBOL() and
friends without explicitly including the corresponding header
<linux/export.h>. While the build currently succeeds due to this header
being pulled in transitively, this is not guaranteed to be the case in
the future.

Let's add the explicit include to make the dependencies clear and
prevent future build breakage.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2025-08-21 12:00:59 -07:00
Dmitry Torokhov a7bee4e7f7 Merge tag 'ib-mfd-gpio-input-pwm-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Merge an immutable branch between MFD, GPIO, Input and PWM to resolve
conflicts for the merge window pull request.
2025-08-03 23:28:48 -07:00
André ApitzschandDmitry Torokhov 4619b6b975 Input: synaptics-rmi4 - add support for F1A
RMI4 F1A implements capacitive keys. Add support for touch keys found in
some Synaptics touch controller configurations.

Signed-off-by: André Apitzsch <git@apitzsch.eu>
Link: https://lore.kernel.org/r/20250707-rmi4_f1a-v1-2-838d83c72e7f@apitzsch.eu
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2025-07-27 01:41:19 -07:00
Marge YangandDmitry Torokhov a9c95d17dc Input: synaptics-rmi4 - add support for Forcepads (F21)
Forcepad devices do not have physical buttons underneath the surface and
use F21 to report "clicks" based on touch pressure.

Signed-off-by: Marge Yang <Marge.Yang@tw.synaptics.com>
Link: https://lore.kernel.org/r/20250716033648.1785509-1-marge.yang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2025-07-27 01:24:21 -07:00
Dmitry Torokhov ca39500f6a Input: synaptics-rmi - fix crash with unsupported versions of F34
Sysfs interface for updating firmware for RMI devices is available even
when F34 probe fails. The code checks for presence of F34 "container"
pointer and then tries to use the function data attached to the
sub-device. F34 assigns the function data early, before it knows if
probe will succeed, leaving behind a stale pointer.

Fix this by expanding checks to not only test for presence of F34
"container" but also check if there is driver data assigned to the
sub-device, and call dev_set_drvdata() only after we are certain that
probe is successful.

This is not a complete fix, since F34 will be freed during firmware
update, so there is still a race when fetching and accessing this
pointer. This race will be addressed in follow-up changes.

Reported-by: Hanno Böck <hanno@hboeck.de>
Fixes: 29fd0ec2bd ("Input: synaptics-rmi4 - add support for F34 device reflash")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/aBlAl6sGulam-Qcx@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2025-05-19 11:58:36 -07:00
Hans VerkuilandDmitry Torokhov ab4976976e Input: drop vb2_ops_wait_prepare/finish
Since commit 88785982a1 ("media: vb2: use lock if wait_prepare/finish
are NULL") it is no longer needed to set the wait_prepare/finish
vb2_ops callbacks as long as the lock field in vb2_queue is set.

Since the vb2_ops_wait_prepare/finish callbacks already rely on that field,
we can safely drop these callbacks.

This simplifies the code and this is a step towards the goal of deleting
these callbacks.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Link: https://lore.kernel.org/r/ec811552-6014-43d4-9fcc-2ac729a8b08e@xs4all.nl
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2025-02-04 06:12:34 -08:00
Linus Torvalds 3e51108c72 Merge tag 'input-for-v6.13-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - support for NT36672A touchscreen added to novatek-nvt-ts driver

 - a change to ads7846 driver to prevent XPT2046 from locking up

 - a change switching platform input dirves back to using remove()
   method (from remove_new())

 - updates to a number of input drivers to use the new cleanup
   facilities (__free(...), guard(), and scoped-guard()) which ensure
   that the resources and locks are released properly and automatically

 - other assorted driver cleanups and fixes.

* tag 'input-for-v6.13-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (109 commits)
  Input: mpr121 - use devm_regulator_get_enable_read_voltage()
  Input: sun4i-lradc-keys - don't include 'pm_wakeup.h' directly
  Input: spear-keyboard - don't include 'pm_wakeup.h' directly
  Input: cypress-sf - constify struct i2c_device_id
  Input: ads7846 - increase xfer array size in 'struct ser_req'
  Input: fix the input_event struct documentation
  Input: i8042 - fix typo dublicate to duplicate
  Input: ads7846 - add dummy command register clearing cycle
  Input: cs40l50 - fix wrong usage of INIT_WORK()
  Input: introduce notion of passive observers for input handlers
  Input: maple_keyb - use guard notation when acquiring mutex
  Input: locomokbd - use guard notation when acquiring spinlock
  Input: hilkbd - use guard notation when acquiring spinlock
  Input: synaptics-rmi4 - switch to using cleanup functions in F34
  Input: synaptics - fix a typo
  dt-bindings: input: rotary-encoder: Fix "rotary-encoder,rollover" type
  Input: omap-keypad - use guard notation when acquiring mutex
  Input: imagis - fix warning regarding 'imagis_3038_data' being unused
  Input: userio - remove unneeded semicolon
  Input: sparcspkr - use cleanup facility for device_node
  ...
2024-11-25 10:31:39 -08:00
Dmitry Torokhov cbdc3f95cd Input: synaptics-rmi4 - switch to using cleanup functions in F34
Start using __free() and guard() primitives to simplify the code
and error handling.

Reviewed-by: Lyude Paul <lyude@redhat.com>
Link: https://lore.kernel.org/r/Zxwd9c0njasZZoal@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-11-04 21:50:06 -08:00
Dmitry Torokhov 69a2229b05 Input: synaptics-rmi4 - use guard notation when pausing serio port in F03
Using guard notation makes the code more compact and error handling
more robust by ensuring that serio ports are resumed in all code paths
when control leaves critical section.

Link: https://lore.kernel.org/r/20240905041732.2034348-9-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-10-04 00:58:15 -07:00
Al Viro 5f60d5f6bb move asm/unaligned.h to linux/unaligned.h
asm/unaligned.h is always an include of asm-generic/unaligned.h;
might as well move that thing to linux/unaligned.h and include
that - there's nothing arch-specific in that header.

auto-generated by the following:

for i in `git grep -l -w asm/unaligned.h`; do
	sed -i -e "s/asm\/unaligned.h/linux\/unaligned.h/" $i
done
for i in `git grep -l -w asm-generic/unaligned.h`; do
	sed -i -e "s/asm-generic\/unaligned.h/linux\/unaligned.h/" $i
done
git mv include/asm-generic/unaligned.h include/linux/unaligned.h
git mv tools/include/asm-generic/unaligned.h tools/include/linux/unaligned.h
sed -i -e "/unaligned.h/d" include/asm-generic/Kbuild
sed -i -e "s/__ASM_GENERIC/__LINUX/" include/linux/unaligned.h tools/include/linux/unaligned.h
2024-10-02 17:23:23 -04:00
Dmitry Torokhov f057b57270 Merge branch 'ib/6.11-rc6-matrix-keypad-spitz' into next
Bring in changes removing support for platform data from matrix-keypad
driver.
2024-09-05 21:49:07 -07:00
Dmitry Torokhov a790df272a Input: synaptics-rmi4 - fix crash when DPM query is not supported
Stop clobbering "item" variable when checking if the device supports
querying DPM values because its original value is still needed in
case when we need to fall back to the old way of figuring sensor size.

Reported-by: Richard Acayan <mailingradian@gmail.com>
Tested-by: Richard Acayan <mailingradian@gmail.com>
Fixes: 14d650fcb7 ("Input: synaptics-rmi4 - add support for querying DPM value (F12)")
Link: https://lore.kernel.org/r/ZtdQW7nqAOEJDNBN@radian
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-09-03 15:01:11 -07:00
Marge YangandDmitry Torokhov 14d650fcb7 Input: synaptics-rmi4 - add support for querying DPM value (F12)
Newer firmware allows to query touchpad resolution information by
reading from resolution register. Presence of resolution register is
signalled via bit 29 of the "register presence" register. On devices
that lack this resolution register we fall back to using pitch and
number of receivers data to calculate size of the sensor.

Signed-off-by: Marge Yang <marge.yang@tw.synaptics.com>
Signed-off-by: Vincent Huang <Vincent.Huang@tw.synaptics.com>
Link: https://lore.kernel.org/r/20240805083636.1381205-1-marge.yang@tw.synaptics.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-08-05 10:31:33 -07:00
Greg Kroah-Hartman d69d804845 driver core: have match() callback in struct bus_type take a const *
In the match() callback, the struct device_driver * should not be
changed, so change the function callback to be a const *.  This is one
step of many towards making the driver core safe to have struct
device_driver in read-only memory.

Because the match() callback is in all busses, all busses are modified
to handle this properly.  This does entail switching some container_of()
calls to container_of_const() to properly handle the constant *.

For some busses, like PCI and USB and HV, the const * is cast away in
the match callback as those busses do want to modify those structures at
this point in time (they have a local lock in the driver structure.)
That will have to be changed in the future if they wish to have their
struct device * in read-only-memory.

Cc: Rafael J. Wysocki <rafael@kernel.org>
Reviewed-by: Alex Elder <elder@kernel.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Link: https://lore.kernel.org/r/2024070136-wrongdoer-busily-01e8@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-07-03 15:16:54 +02:00
Dmitry Torokhov 6f47c7ae8c Merge tag 'v6.9' into next
Sync up with the mainline to bring in the new cleanup API.
2024-05-27 21:37:18 -07:00
Linus Torvalds 9ea370f341 Merge tag 'input-for-v6.10-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a change to input core to trim amount of keys data in modalias string
   in case when a device declares too many keys and they do not fit in
   uevent buffer instead of reporting an error which results in uevent
   not being generated at all

 - support for Machenike G5 Pro Controller added to xpad driver

 - support for FocalTech FT5452 and FT8719 added to edt-ft5x06

 - support for new SPMI vibrator added to pm8xxx-vibrator driver

 - missing locking added to cyapa touchpad driver

 - removal of unused fields in various driver structures

 - explicit initialization of i2c_device_id::driver_data to 0 dropped
   from input drivers

 - other assorted fixes and cleanups.

* tag 'input-for-v6.10-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (24 commits)
  Input: edt-ft5x06 - add support for FocalTech FT5452 and FT8719
  dt-bindings: input: touchscreen: edt-ft5x06: Document FT5452 and FT8719 support
  Input: xpad - add support for Machenike G5 Pro Controller
  Input: try trimming too long modalias strings
  Input: drop explicit initialization of struct i2c_device_id::driver_data to 0
  Input: zet6223 - remove an unused field in struct zet6223_ts
  Input: chipone_icn8505 - remove an unused field in struct icn8505_data
  Input: cros_ec_keyb - remove an unused field in struct cros_ec_keyb
  Input: lpc32xx-keys - remove an unused field in struct lpc32xx_kscan_drv
  Input: matrix_keypad - remove an unused field in struct matrix_keypad
  Input: tca6416-keypad - remove unused struct tca6416_drv_data
  Input: tca6416-keypad - remove an unused field in struct tca6416_keypad_chip
  Input: da7280 - remove an unused field in struct da7280_haptic
  Input: ff-core - prefer struct_size over open coded arithmetic
  Input: cyapa - add missing input core locking to suspend/resume functions
  input: pm8xxx-vibrator: add new SPMI vibrator support
  dt-bindings: input: qcom,pm8xxx-vib: add new SPMI vibrator module
  input: pm8xxx-vibrator: refactor to support new SPMI vibrator
  Input: pm8xxx-vibrator - correct VIB_MAX_LEVELS calculation
  Input: sur40 - convert le16 to cpu before use
  ...
2024-05-24 09:01:21 -07:00
Dmitry Torokhov 2ec0028a1c Merge branch 'next' into for-linus
Prepare input updates for 6.10 merge window.
2024-05-22 17:39:34 -07:00
Uwe Kleine-KönigandDmitry Torokhov 5852f2afcd Input: drop explicit initialization of struct i2c_device_id::driver_data to 0
These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.

This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.

While add it, also remove commas after the sentinel entries.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20240509174158.2211071-2-u.kleine-koenig@pengutronix.de
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2024-05-13 15:43:19 -07:00
Linus Torvalds 6885d7263e Merge tag 'input-for-v6.9-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:

 - a new driver for Goodix Berlin I2C and SPI touch controllers

 - support for IQS7222D v1.1 and v1.2 in iqs7222 driver

 - support for IST3032C and IST3038B parts in Imagis touchscreen driver

 - support for touch keys for Imagis touchscreen controllers

 - support for Snakebyte GAMEPADs in xpad driver

 - various cleanups and conversions to yaml for device tree bindings

 - assorted fixes and cleanups

 - old Synaptics navpoint driver has been removed since the only board
   that used it (HP iPAQ hx4700) was removed a while ago.

* tag 'input-for-v6.9-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (37 commits)
  Input: xpad - add support for Snakebyte GAMEPADs
  dt-bindings: input: samsung,s3c6410-keypad: convert to DT Schema
  Input: imagis - add touch key support
  dt-bindings: input: imagis: Document touch keys
  Input: imagis - use FIELD_GET where applicable
  Input: make input_class constant
  dt-bindings: input: atmel,captouch: convert bindings to YAML
  Input: iqs7222 - add support for IQS7222D v1.1 and v1.2
  dt-bindings: input: allwinner,sun4i-a10-lrad: drop redundant type from label
  Input: serio - make serio_bus const
  Input: synaptics-rmi4 - make rmi_bus_type const
  Input: xilinx_ps2 - fix kernel-doc for xps2_of_probe function
  input/touchscreen: imagis: add support for IST3032C
  dt-bindings: input/touchscreen: imagis: add compatible for IST3032C
  input/touchscreen: imagis: Add support for Imagis IST3038B
  dt-bindings: input/touchscreen: Add compatible for IST3038B
  input/touchscreen: imagis: Correct the maximum touch area value
  Input: leds - change config symbol dependency for audio mute trigger
  Input: ti_am335x_tsc - remove redundant assignment to variable config
  Input: xpad - sort xpad_device by vendor and product ID
  ...
2024-03-17 11:50:54 -07:00
Dmitry Torokhov 57ed9567e6 Merge branch 'next' into for-linus
Prepare input updates for 6.9 merge window.
2024-03-15 15:04:04 -07:00