linux-stable.git/drivers/leds/flash, branch v6.0.3 Linux kernel stable tree leds: lm3601x: Don't use mutex after it was destroyed 2022-10-21T10:38:02+00:00 Uwe Kleine-König u.kleine-koenig@pengutronix.de 2022-08-15T08:02:27+00:00 6b357e8a0fdabd8e96f54fa9f0a52872147a6601 [ Upstream commit 32f7eed0c763a9b89f6b357ec54b48398fc7b99e ] The mutex might still be in use until the devm cleanup callback devm_led_classdev_flash_release() is called. This only happens some time after lm3601x_remove() completed. Fixes: e63a744871a3 ("leds: lm3601x: Convert class registration to device managed") Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 32f7eed0c763a9b89f6b357ec54b48398fc7b99e ]

The mutex might still be in use until the devm cleanup callback
devm_led_classdev_flash_release() is called. This only happens some time
after lm3601x_remove() completed.

Fixes: e63a744871a3 ("leds: lm3601x: Convert class registration to device managed")
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
leds: ktd2692: Make aux-gpios optional 2022-05-07T21:12:19+00:00 Markuss Broks markuss.broks@gmail.com 2022-05-05T15:25:18+00:00 69175786d5bc81da7cc8baab92f1ac0b07567dba Make the AUX pin optional, since it isn't a core part of functionality, and the device is designed to be operational with only one CTRL pin. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Markuss Broks <markuss.broks@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
Make the AUX pin optional, since it isn't a core part of functionality,
and the device is designed to be operational with only one CTRL pin.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: ktd2692: Avoid duplicate error messages on probe deferral 2022-05-07T21:12:18+00:00 Markuss Broks markuss.broks@gmail.com 2022-05-05T15:25:16+00:00 1d3b5aaaa41088770ae31feb075ca07893d2c898 Use dev_err_probe instead of dev_err to avoid duplicate error messages if the GPIO allocation makes the probe defer. Signed-off-by: Markuss Broks <markuss.broks@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
Use dev_err_probe instead of dev_err to avoid duplicate error
messages if the GPIO allocation makes the probe defer.

Signed-off-by: Markuss Broks <markuss.broks@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: sgm3140: Add ocs,ocp8110 compatible 2022-02-12T11:27:53+00:00 André Apitzsch git@apitzsch.eu 2022-02-07T23:06:38+00:00 77d62fccebd4dd2e4dbec2bbe581ef98e128561b Orient-Chip's ocp8110 has the same pin configuration as the sgm3140. The data sheet can be found at: https://cdn.datasheetspdf.com/pdf-down/O/C/P/OCP8110-OrientChip.pdf Signed-off-by: André Apitzsch <git@apitzsch.eu> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
Orient-Chip's ocp8110 has the same pin configuration as the sgm3140.
The data sheet can be found at:
https://cdn.datasheetspdf.com/pdf-down/O/C/P/OCP8110-OrientChip.pdf

Signed-off-by: André Apitzsch <git@apitzsch.eu>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: ktd2692: Drop calling dev_of_node() in ktd2692_parse_dt 2022-01-12T18:43:15+00:00 Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com 2021-12-13T19:03:31+00:00 a05f5d0e6aebd5c562d7f61b0fd3904d3e3994d1 output of dev_of_node() is already assigned to "np" variable in ktd2692_parse_dt(). Use "np" variable to check if OF node is NULL instead of calling dev_of_node() again. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
output of dev_of_node() is already assigned to "np" variable in
ktd2692_parse_dt(). Use "np" variable to check if OF node is NULL
instead of calling dev_of_node() again.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: Add mt6360 driver 2022-01-12T18:42:42+00:00 Gene Chen gene_chen@richtek.com 2021-11-15T14:03:11+00:00 679f8652064bfa2f622c7b2bab86b1bf3207d6bc Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode, 3-channel RGB LED support Register/Flash/Breath Mode, and 1-channel for moonlight LED. Signed-off-by: Gene Chen <gene_chen@richtek.com> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
3-channel RGB LED support Register/Flash/Breath Mode, and 1-channel for
moonlight LED.

Signed-off-by: Gene Chen <gene_chen@richtek.com>
Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: rt8515: Put fwnode in any case during ->probe() 2021-08-03T21:49:37+00:00 Andy Shevchenko andy.shevchenko@gmail.com 2021-05-29T11:19:34+00:00 8aa41952ef245449df79100e1942b5e6288b098a fwnode_get_next_available_child_node() bumps a reference counting of a returned variable. We have to balance it whenever we return to the caller. Fixes: e1c6edcbea13 ("leds: rt8515: Add Richtek RT8515 LED driver") Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Pavel Machek <pavel@ucw.cz> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> 
fwnode_get_next_available_child_node() bumps a reference counting of
a returned variable. We have to balance it whenever we return to
the caller.

Fixes: e1c6edcbea13 ("leds: rt8515: Add Richtek RT8515 LED driver")
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
leds: ktd2692: Move driver to flash subdirectory 2021-07-12T08:30:06+00:00 Linus Walleij linus.walleij@linaro.org 2021-05-28T20:24:04+00:00 51f3b2c3d511c7753f039176bbce08e8d53a0845 We created a subdirectory for LED drivers that depend on CONFIG_LEDS_CLASS_FLASH, and this driver does so let's move it there. Cc: Ingi Kim <ingi2.kim@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
We created a subdirectory for LED drivers that depend on
CONFIG_LEDS_CLASS_FLASH, and this driver does so let's
move it there.

Cc: Ingi Kim <ingi2.kim@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: lm3601x: Move driver to flash subdirectory 2021-07-12T08:30:06+00:00 Linus Walleij linus.walleij@linaro.org 2021-05-28T20:24:03+00:00 61fa67a4e538f70bb4e6b3e7f3555402c1713654 We created a subdirectory for LED drivers that depend on CONFIG_LEDS_CLASS_FLASH, and this driver does so let's move it there. Cc: Dan Murphy <dmurphy@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
We created a subdirectory for LED drivers that depend on
CONFIG_LEDS_CLASS_FLASH, and this driver does so let's
move it there.

Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
leds: sgm3140: Move driver to flash subdirectory 2021-07-12T08:30:06+00:00 Linus Walleij linus.walleij@linaro.org 2021-05-28T20:24:02+00:00 9a7c066f6a1dfff2f30e697fe494a669428fc9f4 We created a subdirectory for LED drivers that depend on CONFIG_LEDS_CLASS_FLASH, and this driver does so let's move it there. Cc: Luca Weiss <luca@z3ntu.xyz> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Pavel Machek <pavel@ucw.cz> 
We created a subdirectory for LED drivers that depend on
CONFIG_LEDS_CLASS_FLASH, and this driver does so let's
move it there.

Cc: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>