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path: root/drivers/leds
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Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/led-triggers.c10
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,