PM: Rename dev_pm_info.in_suspend to is_prepared

This patch (as1473) renames the "in_suspend" field in struct
dev_pm_info to "is_prepared", in preparation for an upcoming change.
The new name is more descriptive of what the field really means.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Cc: stable@kernel.org
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;