---

yaml --- r: 253955 b: refs/heads/master c: 6d0e0e8 h: refs/heads/master i: 253953: 2ec1144 253951: 4e3be88 v: v3
git-mirror · Jun 21, 2011 · 706ac05 · 706ac05
1 parent ada4ed4
commit 706ac05
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Showing 3 changed files with 14 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8440f4b19494467883f8541b7aa28c7bbf6ac92b
+refs/heads/master: 6d0e0e84f66d32c33511984dd3badd32364b863c
diff --git a/trunk/drivers/base/power/main.c b/trunk/drivers/base/power/main.c
@@ -58,6 +58,7 @@ static int async_error;
 void device_pm_init(struct device *dev)
 {
 	dev->power.is_prepared = false;
+	dev->power.is_suspended = false;
 	init_completion(&dev->power.completion);
 	complete_all(&dev->power.completion);
 	dev->power.wakeup = NULL;
@@ -517,6 +518,9 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
 	 */
 	dev->power.is_prepared = false;
 
+	if (!dev->power.is_suspended)
+		goto Unlock;
+
 	if (dev->pwr_domain) {
 		pm_dev_dbg(dev, state, "power domain ");
 		error = pm_op(dev, &dev->pwr_domain->ops, state);
@@ -552,6 +556,9 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
 	}
 
  End:
+	dev->power.is_suspended = false;
+
+ Unlock:
 	device_unlock(dev);
 	complete_all(&dev->power.completion);
 
@@ -839,11 +846,11 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 	device_lock(dev);
 
 	if (async_error)
-		goto End;
+		goto Unlock;
 
 	if (pm_wakeup_pending()) {
 		async_error = -EBUSY;
-		goto End;
+		goto Unlock;
 	}
 
 	if (dev->pwr_domain) {
@@ -881,6 +888,9 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 	}
 
  End:
+	dev->power.is_suspended = !error;
+
+ Unlock:
 	device_unlock(dev);
 	complete_all(&dev->power.completion);
 

diff --git a/trunk/include/linux/pm.h b/trunk/include/linux/pm.h
@@ -426,6 +426,7 @@ struct dev_pm_info {
 	unsigned int		can_wakeup:1;
 	unsigned int		async_suspend:1;
 	bool			is_prepared:1;	/* Owned by the PM core */
+	bool			is_suspended:1;	/* Ditto */
 	spinlock_t		lock;
 #ifdef CONFIG_PM_SLEEP
 	struct list_head	entry;