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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-02-15 17:00:22 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-02-15 17:00:22 +0100 |
| commit | acc3a645ef4bb301366a609730df3cd6a52154a1 (patch) | |
| tree | 9b64ca50d954c29b29fed94656b3a6c916e3aae0 /drivers/leds/led-triggers.c | |
| parent | MAINTAINERS: cpuidle: exynos: include header in file pattern (diff) | |
| parent | Merge back cpufreq updates for v5.12. (diff) | |
| download | linux-acc3a645ef4bb301366a609730df3cd6a52154a1.tar.xz linux-acc3a645ef4bb301366a609730df3cd6a52154a1.zip | |
Merge branches 'pm-cpuidle' and 'pm-cpufreq'
* pm-cpuidle:
MAINTAINERS: cpuidle: exynos: include header in file pattern
intel_idle: remove definition of DEBUG
* pm-cpufreq:
cpufreq: Remove unused flag CPUFREQ_PM_NO_WARN
cpufreq: Remove CPUFREQ_STICKY flag
cpufreq: intel_pstate: Remove repeated word
cpufreq: remove tango driver
cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove()
cpufreq: brcmstb-avs-cpufreq: Free resources in error path
cpufreq: qcom-hw: enable boost support
cpufreq: tegra20: Use resource-managed API
cpufreq: intel_pstate: Get per-CPU max freq via MSR_HWP_CAPABILITIES if available
cpufreq: intel_pstate: Rename two functions
cpufreq: intel_pstate: Change intel_pstate_get_hwp_max() argument
cpufreq: intel_pstate: Always read hwp_cap_cached with READ_ONCE()
Diffstat (limited to 'drivers/leds/led-triggers.c')
| -rw-r--r-- | drivers/leds/led-triggers.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index 91da90cfb11d..4e7b78a84149 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -378,14 +378,15 @@ void led_trigger_event(struct led_trigger *trig, enum led_brightness brightness) { struct led_classdev *led_cdev; + unsigned long flags; if (!trig) return; - read_lock(&trig->leddev_list_lock); + read_lock_irqsave(&trig->leddev_list_lock, flags); list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) led_set_brightness(led_cdev, brightness); - read_unlock(&trig->leddev_list_lock); + read_unlock_irqrestore(&trig->leddev_list_lock, flags); } EXPORT_SYMBOL_GPL(led_trigger_event); @@ -396,11 +397,12 @@ static void led_trigger_blink_setup(struct led_trigger *trig, int invert) { struct led_classdev *led_cdev; + unsigned long flags; if (!trig) return; - read_lock(&trig->leddev_list_lock); + read_lock_irqsave(&trig->leddev_list_lock, flags); list_for_each_entry(led_cdev, &trig->led_cdevs, trig_list) { if (oneshot) led_blink_set_oneshot(led_cdev, delay_on, delay_off, @@ -408,7 +410,7 @@ static void led_trigger_blink_setup(struct led_trigger *trig, else led_blink_set(led_cdev, delay_on, delay_off); } - read_unlock(&trig->leddev_list_lock); + read_unlock_irqrestore(&trig->leddev_list_lock, flags); } void led_trigger_blink(struct led_trigger *trig, |