diff options
Diffstat (limited to 'kernel/power/main.c')
| -rw-r--r-- | kernel/power/main.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index 6096c71b182b..751157b7897e 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -25,7 +25,7 @@ /*This is just an arbitrary number */ #define FREE_PAGE_NUMBER (100) -DECLARE_MUTEX(pm_sem); +DEFINE_MUTEX(pm_mutex); struct pm_ops *pm_ops; suspend_disk_method_t pm_disk_mode = PM_DISK_SHUTDOWN; @@ -37,9 +37,9 @@ suspend_disk_method_t pm_disk_mode = PM_DISK_SHUTDOWN; void pm_set_ops(struct pm_ops * ops) { - down(&pm_sem); + mutex_lock(&pm_mutex); pm_ops = ops; - up(&pm_sem); + mutex_unlock(&pm_mutex); } @@ -183,7 +183,7 @@ static int enter_state(suspend_state_t state) if (!valid_state(state)) return -ENODEV; - if (down_trylock(&pm_sem)) + if (!mutex_trylock(&pm_mutex)) return -EBUSY; if (state == PM_SUSPEND_DISK) { @@ -201,7 +201,7 @@ static int enter_state(suspend_state_t state) pr_debug("PM: Finishing wakeup.\n"); suspend_finish(state); Unlock: - up(&pm_sem); + mutex_unlock(&pm_mutex); return error; } |