linux/drivers/input/mouse
Marek Szyprowski f99809fdeb Input: cyapa - add missing input core locking to suspend/resume functions
[ Upstream commit 7b4e0b3918 ]

Grab input->mutex during suspend/resume functions like it is done in
other input drivers. This fixes the following warning during system
suspend/resume cycle on Samsung Exynos5250-based Snow Chromebook:

------------[ cut here ]------------
WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c
Modules linked in: ...
CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G        W          6.6.0-rc5-next-20231009 #14109
Hardware name: Samsung Exynos (Flattened Device Tree)
Workqueue: events_unbound async_run_entry_fn
 unwind_backtrace from show_stack+0x10/0x14
 show_stack from dump_stack_lvl+0x58/0x70
 dump_stack_lvl from __warn+0x1a8/0x1cc
 __warn from warn_slowpath_fmt+0x18c/0x1b4
 warn_slowpath_fmt from input_device_enabled+0x68/0x6c
 input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc
 cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c
 cyapa_reinitialize from cyapa_resume+0x48/0x98
 cyapa_resume from dpm_run_callback+0x90/0x298
 dpm_run_callback from device_resume+0xb4/0x258
 device_resume from async_resume+0x20/0x64
 async_resume from async_run_entry_fn+0x40/0x15c
 async_run_entry_fn from process_scheduled_works+0xbc/0x6a8
 process_scheduled_works from worker_thread+0x188/0x454
 worker_thread from kthread+0x108/0x140
 kthread from ret_from_fork+0x14/0x28
Exception stack(0xf1625fb0 to 0xf1625ff8)
...
---[ end trace 0000000000000000 ]---
...
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1680 at drivers/input/input.c:2291 input_device_enabled+0x68/0x6c
Modules linked in: ...
CPU: 1 PID: 1680 Comm: kworker/u4:12 Tainted: G        W          6.6.0-rc5-next-20231009 #14109
Hardware name: Samsung Exynos (Flattened Device Tree)
Workqueue: events_unbound async_run_entry_fn
 unwind_backtrace from show_stack+0x10/0x14
 show_stack from dump_stack_lvl+0x58/0x70
 dump_stack_lvl from __warn+0x1a8/0x1cc
 __warn from warn_slowpath_fmt+0x18c/0x1b4
 warn_slowpath_fmt from input_device_enabled+0x68/0x6c
 input_device_enabled from cyapa_gen3_set_power_mode+0x13c/0x1dc
 cyapa_gen3_set_power_mode from cyapa_reinitialize+0x10c/0x15c
 cyapa_reinitialize from cyapa_resume+0x48/0x98
 cyapa_resume from dpm_run_callback+0x90/0x298
 dpm_run_callback from device_resume+0xb4/0x258
 device_resume from async_resume+0x20/0x64
 async_resume from async_run_entry_fn+0x40/0x15c
 async_run_entry_fn from process_scheduled_works+0xbc/0x6a8
 process_scheduled_works from worker_thread+0x188/0x454
 worker_thread from kthread+0x108/0x140
 kthread from ret_from_fork+0x14/0x28
Exception stack(0xf1625fb0 to 0xf1625ff8)
...
---[ end trace 0000000000000000 ]---

Fixes: d69f0a43c6 ("Input: use input_device_enabled()")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Link: https://lore.kernel.org/r/20231009121018.1075318-1-m.szyprowski@samsung.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-06-16 13:39:43 +02:00
..
alps.c Input: alps - fix compatibility with -funsigned-char 2023-04-05 11:24:58 +02:00
alps.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
amimouse.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
appletouch.c Input: appletouch - initialize work before device registration 2022-01-05 12:42:39 +01:00
atarimouse.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
bcm5974.c Input: bcm5974 - set missing URB_NO_TRANSFER_DMA_MAP urb flag 2022-06-14 18:36:26 +02:00
byd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
byd.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
cyapa.c Input: cyapa - add missing input core locking to suspend/resume functions 2024-06-16 13:39:43 +02:00
cyapa.h Input: cyapa - fix for losing events during device power transitions 2016-03-04 11:32:13 -08:00
cyapa_gen3.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
cyapa_gen5.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
cyapa_gen6.c Input: cyapa_gen6 - fix out-of-bounds stack access 2020-12-14 15:02:04 -08:00
cypress_ps2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
cypress_ps2.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
elan_i2c.h Input: elan_i2c - reduce the resume time for controller in Whitebox 2021-09-06 22:30:34 -07:00
elan_i2c_core.c Input: elan_i2c - fix regulator enable count imbalance after suspend/resume 2022-03-08 19:12:53 +01:00
elan_i2c_i2c.c Input: elan_i2c - fix firmware update on newer ICs 2020-11-11 20:13:12 -08:00
elan_i2c_smbus.c Merge branch 'next' into for-linus 2020-12-14 16:27:23 -08:00
elantech.c Input: psmouse - fix fast_reconnect function for PS/2 mode 2023-10-19 23:05:36 +02:00
elantech.h Input: elantech - fix protocol errors for some trackpoints in SMBus mode 2020-12-11 00:15:05 -08:00
focaltech.c Input: focaltech - use explicitly signed char type 2023-04-05 11:24:58 +02:00
focaltech.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
gpio_mouse.c Input: gpio_mouse - switch to using input device polling mode 2019-10-04 12:31:46 -07:00
hgpk.c Input: Use fallthrough pseudo-keyword 2020-07-07 11:25:54 -07:00
hgpk.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
inport.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
Kconfig Input: vsxxxaa - fix Kconfig spelling mistake 2020-12-04 12:27:35 -08:00
lifebook.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
lifebook.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
logibm.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
logips2pp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
logips2pp.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
maplemouse.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
navpoint.c Input: use input_device_enabled() 2020-12-02 22:10:33 -08:00
pc110pad.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
psmouse-base.c Input: psmouse - add a newline when printing 'proto' by sysfs 2020-07-21 22:33:27 -07:00
psmouse-smbus.c Input: psmouse - switch to using i2c_new_scanned_device() 2020-02-10 10:00:23 -08:00
psmouse.h Input: psmouse-smbus - allow to control psmouse_deactivate 2018-05-23 16:49:22 -07:00
pxa930_trkball.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
rpcmouse.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
sentelic.c Input: sentelic - fix error return when fsp_reg_write fails 2020-08-06 17:33:43 -07:00
sentelic.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
sermouse.c Input: Use fallthrough pseudo-keyword 2020-07-07 11:25:54 -07:00
synaptics.c Input: synaptics-rmi4 - handle reset delay when using SMBus trsnsport 2023-11-08 17:26:45 +01:00
synaptics.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
synaptics_i2c.c Input: synaptics_i2c - remove redundant spinlock 2019-02-16 22:57:31 -08:00
synaptics_usb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
touchkit_ps2.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
touchkit_ps2.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
trackpoint.c Input: trackpoint - use kobj_to_dev() 2021-06-19 22:36:26 -07:00
trackpoint.h Input: trackpoint - add new trackpoint variant IDs 2020-09-14 12:24:46 -07:00
vmmouse.c Input: vmmouse - demote obvious abuse of kernel-doc header 2020-11-19 19:56:42 -08:00
vmmouse.h Input: psmouse - drop all unneeded functions from mouse headers 2019-08-20 14:15:36 -07:00
vsxxxaa.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00