diff --git a/include/linux/device.h b/include/linux/device.h
index c66111a..553fd37 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -654,13 +654,13 @@
 
 static inline void device_enable_async_suspend(struct device *dev)
 {
-	if (!dev->power.in_suspend)
+	if (!dev->power.is_prepared)
 		dev->power.async_suspend = true;
 }
 
 static inline void device_disable_async_suspend(struct device *dev)
 {
-	if (!dev->power.in_suspend)
+	if (!dev->power.is_prepared)
 		dev->power.async_suspend = false;
 }
 
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 3160648..cc536bd 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -425,7 +425,7 @@
 	pm_message_t		power_state;
 	unsigned int		can_wakeup:1;
 	unsigned int		async_suspend:1;
-	unsigned int		in_suspend:1;	/* Owned by the PM core */
+	bool			is_prepared:1;	/* Owned by the PM core */
 	spinlock_t		lock;
 #ifdef CONFIG_PM_SLEEP
 	struct list_head	entry;