diff options
Diffstat (limited to 'drivers/base/power/main.c')
-rw-r--r-- | drivers/base/power/main.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 0e26a6f6fd4..d477f4dc5e5 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -35,8 +35,8 @@ * because children are guaranteed to be discovered after parents, and * are inserted at the back of the list on discovery. * - * Since device_pm_add() may be called with a device semaphore held, - * we must never try to acquire a device semaphore while holding + * Since device_pm_add() may be called with a device lock held, + * we must never try to acquire a device lock while holding * dpm_list_mutex. */ @@ -508,7 +508,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async) TRACE_RESUME(0); dpm_wait(dev->parent, async); - down(&dev->sem); + device_lock(dev); dev->power.status = DPM_RESUMING; @@ -543,7 +543,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async) } } End: - up(&dev->sem); + device_unlock(dev); complete_all(&dev->power.completion); TRACE_RESUME(error); @@ -629,7 +629,7 @@ static void dpm_resume(pm_message_t state) */ static void device_complete(struct device *dev, pm_message_t state) { - down(&dev->sem); + device_lock(dev); if (dev->class && dev->class->pm && dev->class->pm->complete) { pm_dev_dbg(dev, state, "completing class "); @@ -646,7 +646,7 @@ static void device_complete(struct device *dev, pm_message_t state) dev->bus->pm->complete(dev); } - up(&dev->sem); + device_unlock(dev); } /** @@ -809,7 +809,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) int error = 0; dpm_wait_for_children(dev, async); - down(&dev->sem); + device_lock(dev); if (async_error) goto End; @@ -849,7 +849,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async) dev->power.status = DPM_OFF; End: - up(&dev->sem); + device_unlock(dev); complete_all(&dev->power.completion); return error; @@ -938,7 +938,7 @@ static int device_prepare(struct device *dev, pm_message_t state) { int error = 0; - down(&dev->sem); + device_lock(dev); if (dev->bus && dev->bus->pm && dev->bus->pm->prepare) { pm_dev_dbg(dev, state, "preparing "); @@ -962,7 +962,7 @@ static int device_prepare(struct device *dev, pm_message_t state) suspend_report_result(dev->class->pm->prepare, error); } End: - up(&dev->sem); + device_unlock(dev); return error; } |