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leds: Fix leds_list_lock locking issues

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Covert leds_list_lock to a rw_sempahore to match previous LED trigger
locking fixes, fixing lock ordering.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
This commit is contained in:
Richard Purdie
2007-12-31 23:09:44 +00:00
parent e697789d64
commit 72f8da329e
4 changed files with 12 additions and 11 deletions
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3
drivers/leds/leds.h
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@@ -14,6 +14,7 @@
#define __LEDS_H_INCLUDED
#include <linux/device.h>
#include <linux/rwsem.h>
#include <linux/leds.h>
static inline void led_set_brightness(struct led_classdev *led_cdev,
@@ -26,7 +27,7 @@ static inline void led_set_brightness(struct led_classdev *led_cdev,
led_cdev->brightness_set(led_cdev, value);
}
extern rwlock_t leds_list_lock;
extern struct rw_semaphore leds_list_lock;
extern struct list_head leds_list;
#ifdef CONFIG_LEDS_TRIGGERS