diff --git a/arch/arm/mach-imx/hardware.h b/arch/arm/mach-imx/hardware.h
index 356131f7b591ddd212b7f1fadb97c626c64eb1e8..a3b0b04b45c90f9bc4808ece62482521f85fcf24 100644
--- a/arch/arm/mach-imx/hardware.h
+++ b/arch/arm/mach-imx/hardware.h
@@ -20,6 +20,7 @@
 #ifndef __ASM_ARCH_MXC_HARDWARE_H__
 #define __ASM_ARCH_MXC_HARDWARE_H__
 
+#include <asm/io.h>
 #include <asm/sizes.h>
 
 #define addr_in_module(addr, mod) \