*
*/
-int resume_device(struct device * dev)
+static int resume_device(struct device * dev)
{
int error = 0;
down(&dev->sem);
- if (dev->power.pm_parent
- && dev->power.pm_parent->power.power_state.event) {
- dev_err(dev, "PM: resume from %d, parent %s still %d\n",
- dev->power.power_state.event,
- dev->power.pm_parent->bus_id,
- dev->power.pm_parent->power.power_state.event);
- }
-
if (dev->bus && dev->bus->resume) {
dev_dbg(dev,"resuming\n");
error = dev->bus->resume(dev);
*/
void dpm_resume(void)
{
- down(&dpm_list_sem);
+ mutex_lock(&dpm_list_mtx);
while(!list_empty(&dpm_off)) {
struct list_head * entry = dpm_off.next;
struct device * dev = to_device(entry);
get_device(dev);
list_move_tail(entry, &dpm_active);
- up(&dpm_list_sem);
- if (!dev->power.prev_state.event)
- resume_device(dev);
- down(&dpm_list_sem);
+ mutex_unlock(&dpm_list_mtx);
+ resume_device(dev);
+ mutex_lock(&dpm_list_mtx);
put_device(dev);
}
- up(&dpm_list_sem);
+ mutex_unlock(&dpm_list_mtx);
}
void device_resume(void)
{
might_sleep();
- down(&dpm_sem);
+ mutex_lock(&dpm_mtx);
dpm_resume();
- up(&dpm_sem);
+ mutex_unlock(&dpm_mtx);
}
EXPORT_SYMBOL_GPL(device_resume);