diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 6982c45..f9e0627 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -315,6 +315,7 @@
 
 	struct delayed_work	detect;
 	struct wake_lock	detect_wake_lock;
+	const char		*wlock_name;
 	int			detect_change;	/* card detect flag */
 	struct mmc_hotplug	hotplug;