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Nathan Lynch 0b8728d6f1 ledtrig-cpu: kill useless mutex to fix sleep in atomic context ... Seeing the following every time the CPU enters or leaves idle on a Beagleboard: BUG: sleeping function called from invalid context at kernel/mutex.c:269 in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/0 no locks held by swapper/0/0. [<c001659c>] (unwind_backtrace+0x0/0xf8) from [<c05aaa7c>] (mutex_lock_nested+0x24/0x380) [<c05aaa7c>] (mutex_lock_nested+0x24/0x380) from [<c043bd1c>] (ledtrig_cpu+0x38/0x88) [<c043bd1c>] (ledtrig_cpu+0x38/0x88) from [<c000f4b0>] (cpu_idle+0xf4/0x120) [<c000f4b0>] (cpu_idle+0xf4/0x120) from [<c07e47c8>] (start_kernel+0x2bc/0x30c) Miles Lane has reported seeing similar splats during system suspend. The mutex in struct led_trigger_cpu appears to have no function: it resides in a per-cpu data structure which never changes after the trigger is registered. So just remove it. Reported-by: Miles Lane <miles.lane@gmail.com> Signed-off-by: Nathan Lynch <ntl@pobox.com> Signed-off-by: Bryan Wu <roc@roc-samos.(none)>		12 years ago
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Kconfig	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds	13 years ago
Makefile	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds	13 years ago
dell-led.c	…
led-class.c	leds: delay led_set_brightness if stopping soft-blink	13 years ago
led-core.c	leds: delay led_set_brightness if stopping soft-blink	13 years ago
led-triggers.c	leds: triggers: send uevent when changing triggers	13 years ago
leds-88pm860x.c	mfd: 88pm860x: Device tree support	13 years ago
leds-adp5520.c	leds: convert ADP5520 LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-asic3.c	leds: convert HTC ASIC3 LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-atmel-pwm.c	leds: convert Atmel PWM LED driver to devm_kzalloc()	13 years ago
leds-bd2802.c	leds: convert BD2802 RGB LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-blinkm.c	LEDS: propagate error codes in blinkm_detect()	13 years ago
leds-clevo-mail.c	leds-clevo-mail: Fix Clevo M5x0V DMI strings	13 years ago
leds-cobalt-qube.c	…
leds-cobalt-raq.c	…
leds-da903x.c	leds: convert DA9030/DA9034 LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-da9052.c	leds: driver for DA9052/53 PMIC v2	13 years ago
leds-dac124s085.c	leds: convert DAC124S085 LED driver to devm_kzalloc()	13 years ago
leds-fsg.c	…
leds-gpio-register.c	…
leds-gpio.c	leds: leds-gpio: adopt pinctrl support	13 years ago
leds-hp6xx.c	…
leds-lm355x.c	leds: Add new LED driver for lm355x chips	13 years ago
leds-lm3530.c	leds-lm3530: Fix smatch warnings	13 years ago
leds-lm3533.c	workqueue: deprecate flush[_delayed]_work_sync()	13 years ago
leds-lm3642.c	leds: lm3642: Use regmap_update_bits() in lm3642_chip_init()	13 years ago
leds-locomo.c	…
leds-lp3944.c	leds: convert LP3944 LED driver to devm_kzalloc()	13 years ago
leds-lp5521.c	leds: convert LP5521 LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-lp5523.c	leds-lp5523: Fix riskiness of the page fault	13 years ago
leds-lp8788.c	Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq	13 years ago
leds-lt3593.c	leds: convert LT3593 LED driver to devm_kzalloc()	13 years ago
leds-max8997.c	leds: max8997: Simplify max8997_led_set_mode implementation	13 years ago
leds-mc13783.c	leds: convert Freescale MC13783 LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-net48xx.c	…
leds-netxbig.c	ARM: orion: move platform_data definitions	13 years ago
leds-ns2.c	ARM: orion: move platform_data definitions	13 years ago
leds-ot200.c	leds: add led driver for Bachmann's ot200	13 years ago
leds-pca955x.c	leds: convert PCA955x LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-pca9532.c	leds: convert PCA9532 LED driver to devm_kzalloc()	13 years ago
leds-pca9633.c	leds: add output driver configuration for pca9633 led driver	13 years ago
leds-pwm.c	leds: Use devm_kzalloc in leds-pwm.c file	13 years ago
leds-rb532.c	…
leds-regulator.c	leds: Use devm_kzalloc in leds-regulator.c file	13 years ago
leds-renesas-tpu.c	leds: renesas: fix error handling	13 years ago
leds-s3c24xx.c	ARM: samsung: move platform_data definitions	13 years ago
leds-ss4200.c	module_param: make bool parameters really bool (drivers & misc)	13 years ago
leds-sunfire.c	leds: convert Sun Fire LED driver to devm_kzalloc() and cleanup error exit path	13 years ago
leds-tca6507.c	leds: convert TCA6507 LED driver to devm_kzalloc()	13 years ago
leds-wm831x-status.c	leds: convert wm831x status driver to devm_kzalloc()	13 years ago
leds-wm8350.c	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds	13 years ago
leds-wrap.c	…
leds.h	leds: delay led_set_brightness if stopping soft-blink	13 years ago
ledtrig-backlight.c	leds: Rename led_set_brightness() to __led_set_brightness()	13 years ago
ledtrig-cpu.c	ledtrig-cpu: kill useless mutex to fix sleep in atomic context	12 years ago
ledtrig-default-on.c	leds: Rename led_set_brightness() to __led_set_brightness()	13 years ago
ledtrig-gpio.c	leds: Rename led_set_brightness() to __led_set_brightness()	13 years ago
ledtrig-heartbeat.c	leds: Rename led_set_brightness() to __led_set_brightness()	13 years ago
ledtrig-ide-disk.c	ledtrig-ide-disk: use generic one-shot blink api	13 years ago
ledtrig-oneshot.c	leds: Rename led_brightness_set() to led_set_brightness()	13 years ago
ledtrig-timer.c	leds: Rename led_brightness_set() to led_set_brightness()	13 years ago
ledtrig-transient.c	leds: Rename led_set_brightness() to __led_set_brightness()	13 years ago