diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 706f722..9a03d03 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -299,6 +299,7 @@
 	int			claim_cnt;	/* "claim" nesting count */
 
 	struct delayed_work	detect;
+	int			detect_change;	/* card detect flag */
 
 	const struct mmc_bus_ops *bus_ops;	/* current bus driver */
 	unsigned int		bus_refs;	/* reference counter */