diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 957b9877a01adaa59a7aef6364bec3d8f82672bc..ef12ecd5e369517e75e24a295f88348ee96d2c97 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -30,6 +30,7 @@
 #include <twl4030.h>
 #include <asm/io.h>
 #include <asm/arch/mmc_host_def.h>
+#include <asm/arch/sys_proto.h>
 
 /* If we fail after 1 second wait, something is really bad */
 #define MAX_RETRY_MS	1000