diff --git a/arch/arm/mach-exynos/include/mach/gpio.h b/arch/arm/mach-exynos/include/mach/gpio.h
index f9975d7..9eeeb76 100644
--- a/arch/arm/mach-exynos/include/mach/gpio.h
+++ b/arch/arm/mach-exynos/include/mach/gpio.h
@@ -8,6 +8,9 @@
 #define __ASM_ARCH_GPIO_H
 
 #ifndef __ASSEMBLY__
+
+#include <asm/arch/cpu.h>
+
 struct s5p_gpio_bank {
 	unsigned int	con;
 	unsigned int	dat;