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alistair23-linux/drivers/leds
Uwe Kleine-König ba8a86e4da leds: trigger/tty: Use led_set_brightness_sync() from workqueue
led_set_brightness() involves scheduling a workqueue. As here the led's
brightness setting is done in context of the trigger's workqueue this is
unjustified overhead and it's more sensible to use
led_set_brightness_sync().

Fixes: fd4a641ac8 ("leds: trigger: implement a tty trigger")
Reported-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210219133307.4840-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-10 09:27:56 +01:00
..
blink leds: lgm: Add LED controller driver for LGM SoC 2021-02-19 11:40:18 +01:00
flash leds: rt8515: add V4L2_FLASH_LED_CLASS dependency 2021-02-14 18:01:41 +01:00
trigger leds: trigger/tty: Use led_set_brightness_sync() from workqueue 2021-03-10 09:27:56 +01:00
Kconfig Updates for 5.12-rc1. Besides usual fixes and new drivers, we are 2021-02-26 13:56:40 -08:00
Makefile Updates for 5.12-rc1. Besides usual fixes and new drivers, we are 2021-02-26 13:56:40 -08:00
TODO leds: TODO: Add documentation about possible subsystem improvements 2020-09-30 19:15:33 +02:00
led-class-flash.c leds: flash: Add devm_* functions to the flash class 2019-11-03 17:38:36 +01:00
led-class-multicolor.c leds: multicolor: Introduce a multicolor class definition 2020-07-22 14:41:29 +02:00
led-class.c leds: led-core: Get rid of enum led_brightness 2021-02-19 11:35:28 +01:00
led-core.c leds: led-core: Get rid of enum led_brightness 2021-02-19 11:35:28 +01:00
led-triggers.c leds: trigger: fix potential deadlock with libata 2021-01-31 10:38:03 +01:00
leds-88pm860x.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-aat1290.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-acer-a500.c leds: Add driver for Acer Iconia Tab A500 2020-09-26 21:56:42 +02:00
leds-adp5520.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 149 2019-05-30 11:25:18 -07:00
leds-an30259a.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-apu.c leds: apu: extend support for PC Engines APU1 with newer firmware 2021-02-19 22:15:10 +01:00
leds-ariel.c leds: leds-ariel: convert comma to semicolon 2021-01-31 10:38:02 +01:00
leds-as3645a.c leds-as3645a: Drop fwnode reference on ignored node 2019-12-21 20:09:47 +01:00
leds-asic3.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-aw2013.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-bcm6328.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-bcm6358.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-bd2802.c leds: leds-bd2802: remove set but not used variable 'pdata' 2020-02-26 14:34:55 +01:00
leds-blinkm.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-clevo-mail.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
leds-cobalt-qube.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
leds-cobalt-raq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1 2019-05-21 11:28:39 +02:00
leds-cpcap.c leds: various: use device_get_match_data 2020-09-26 21:56:39 +02:00
leds-cr0014114.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-da903x.c leds: da903x: fix use-after-free on unbind 2020-06-22 10:37:58 +02:00
leds-da9052.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
leds-dac124s085.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 330 2019-06-05 17:37:06 +02:00
leds-el15203000.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-fsg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-gpio-register.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-gpio.c leds: gpio: Set max brightness to 1 2021-02-03 15:34:37 +01:00
leds-hp6xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-ip30.c leds: ip30: compile if COMPILE_TEST=y 2020-09-26 21:56:38 +02:00
leds-ipaq-micro.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-is31fl32xx.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-is31fl319x.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-ktd2692.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lm355x.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-lm3530.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-lm3532.c leds: lm3532: Fix warnings for undefined parameters 2020-09-30 18:53:28 +02:00
leds-lm3533.c Updates for 5.12-rc1. Besides usual fixes and new drivers, we are 2021-02-26 13:56:40 -08:00
leds-lm3601x.c leds: Replace HTTP links with HTTPS ones 2020-07-22 14:48:40 +02:00
leds-lm3642.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-lm3692x.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-lm3697.c leds: lm3697: Fix out-of-bound access 2020-10-05 20:36:09 +02:00
leds-lm36274.c leds: lm36274: Fix warning for undefined parameters 2020-09-30 18:53:28 +02:00
leds-locomo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-lp50xx.c leds: lp50xx: Get rid of redundant explicit casting 2021-02-19 22:15:50 +01:00
leds-lp55xx-common.c leds: various: fix OF node leaks 2020-09-26 21:56:39 +02:00
leds-lp55xx-common.h leds: lp55xx: Add multicolor framework support to lp55xx 2020-07-22 14:42:06 +02:00
leds-lp3944.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-lp3952.c leds: lp3952: Include the right header 2020-04-17 14:49:22 +02:00
leds-lp5521.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp5523.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp5562.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp8501.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-lp8788.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-lp8860.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-lt3593.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-max8997.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-max77650.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-max77693.c leds: various: use dev_of_node(dev) instead of dev->of_node 2020-09-26 21:56:39 +02:00
leds-mc13783.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-menf21bmc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
leds-mlxcpld.c treewide: devm_kzalloc() -> devm_kcalloc() 2018-06-12 16:19:22 -07:00
leds-mlxreg.c leds: mlxreg: Fix possible buffer overflow 2019-11-03 17:39:00 +01:00
leds-mt6323.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-net48xx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-netxbig.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-nic78bx.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
leds-ns2.c leds: ns2: do not guard OF match pointer with of_match_ptr 2020-09-30 19:22:58 +02:00
leds-ot200.c leds: leds-ot200: Use devm_led_classdev_register 2015-11-03 08:59:13 +01:00
leds-pca955x.c leds: pca955x: Add an IBM software implementation of the PCA9552 chip 2020-08-17 22:24:21 +02:00
leds-pca963x.c leds: pca963x: use struct led_init_data when registering 2020-09-30 19:15:42 +02:00
leds-pca9532.c leds: pca9532: read pwm settings from device tree 2020-09-30 18:53:28 +02:00
leds-pm8058.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-powernv.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-pwm.c leds: pwm: Remove platform_data support 2020-10-07 12:02:58 +02:00
leds-rb532.c leds: rb532: cleanup whitespace 2020-01-02 22:41:53 +01:00
leds-regulator.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-s3c24xx.c leds: s3c24xx: Remove unused machine header include 2020-08-17 18:04:06 +02:00
leds-sc27xx-bltc.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-sgm3140.c leds: sgm3140: Simplify with dev_err_probe() 2020-09-09 11:20:09 +02:00
leds-spi-byte.c leds: various: use only available OF children 2020-09-26 21:56:39 +02:00
leds-ss4200.c leds: ss4200: simplify the return expression of register_nasgpio_led() 2020-12-30 19:37:14 +01:00
leds-sunfire.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
leds-syscon.c leds: parse linux,default-trigger DT property in LED core 2020-09-26 21:56:43 +02:00
leds-tca6507.c leds: tca6507: remove binding comment 2020-09-30 19:15:41 +02:00
leds-ti-lmu-common.c leds: ti-lmu-common: Move static keyword to the front of declaration 2019-09-03 20:34:46 +02:00
leds-tlc591xx.c leds: tlc591xx: fix leak of device node iterator 2020-09-30 19:20:46 +02:00
leds-tps6105x.c leds: tps6105x: add driver for MFD chip LED mode 2019-12-21 20:10:02 +01:00
leds-turris-omnia.c leds: turris-omnia: check for LED_COLOR_ID_RGB instead LED_COLOR_ID_MULTI 2020-11-25 13:25:28 +01:00
leds-wm831x-status.c leds: Use DEVICE_ATTR_{RW, RO, WO} macros 2020-12-30 19:37:13 +01:00
leds-wm8350.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds-wrap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
leds.h leds: led-core: Get rid of enum led_brightness 2021-02-19 11:35:28 +01:00
uleds.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00