diff --git a/arch/arm/include/asm/arch-u8500/sys_proto.h b/arch/arm/include/asm/arch-u8500/sys_proto.h
index bac5e79..a8ef9e5 100644
--- a/arch/arm/include/asm/arch-u8500/sys_proto.h
+++ b/arch/arm/include/asm/arch-u8500/sys_proto.h
@@ -23,5 +23,6 @@
 #define _SYS_PROTO_H_
 
 void gpio_init(void);
+int u8500_mmc_power_init(void);
 
 #endif  /* _SYS_PROTO_H_ */