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path: root/drivers/base/power/runtime.c
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Diffstat (limited to 'drivers/base/power/runtime.c')
-rw-r--r--drivers/base/power/runtime.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 96370ec..df6174d 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -32,9 +32,9 @@ static void runtime_resume(struct device * dev)
void dpm_runtime_resume(struct device * dev)
{
- down(&dpm_sem);
+ mutex_lock(&dpm_mtx);
runtime_resume(dev);
- up(&dpm_sem);
+ mutex_unlock(&dpm_mtx);
}
EXPORT_SYMBOL(dpm_runtime_resume);
@@ -49,7 +49,7 @@ int dpm_runtime_suspend(struct device * dev, pm_message_t state)
{
int error = 0;
- down(&dpm_sem);
+ mutex_lock(&dpm_mtx);
if (dev->power.power_state.event == state.event)
goto Done;
@@ -59,7 +59,7 @@ int dpm_runtime_suspend(struct device * dev, pm_message_t state)
if (!(error = suspend_device(dev, state)))
dev->power.power_state = state;
Done:
- up(&dpm_sem);
+ mutex_unlock(&dpm_mtx);
return error;
}
EXPORT_SYMBOL(dpm_runtime_suspend);
@@ -78,8 +78,8 @@ EXPORT_SYMBOL(dpm_runtime_suspend);
*/
void dpm_set_power_state(struct device * dev, pm_message_t state)
{
- down(&dpm_sem);
+ mutex_lock(&dpm_mtx);
dev->power.power_state = state;
- up(&dpm_sem);
+ mutex_unlock(&dpm_mtx);
}
#endif /* 0 */
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