Revert "PM: sleep: Use complete() in device_pm_sleep_init()"

This reverts commit 2fe7ebb.

Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: Sasha Levin

drivers/base/power/main.c

@@ -101,7 +101,7 @@ void device_pm_sleep_init(struct device *dev)
 	dev->power.is_noirq_suspended = false;
 	dev->power.is_late_suspended = false;
 	init_completion(&dev->power.completion);
-	complete(&dev->power.completion);
+	complete_all(&dev->power.completion);
 	dev->power.wakeup = NULL;
 	INIT_LIST_HEAD(&dev->power.entry);
 }
@@ -238,10 +238,6 @@ static void dpm_wait(struct device *dev, bool async)
 	if (!dev)
 		return;
 
-	/* Devices with no PM support don't use the completion. */
-	if (dev->power.no_pm)
-		return;
-
 	if (async || (pm_async_enabled && dev->power.async_suspend))
 		wait_for_completion(&dev->power.completion);
 }