diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c
index 95df059b5a1db2b7430ee52972b83034e6b3f6de..5467470badfd32ca481074bdfb3910813b9f88ec 100644
--- a/arch/arm/plat-s3c24xx/gpio.c
+++ b/arch/arm/plat-s3c24xx/gpio.c
@@ -29,6 +29,7 @@
 #include <linux/io.h>
 
 #include <mach/hardware.h>
+#include <mach/gpio-fns.h>
 #include <asm/irq.h>
 
 #include <mach/regs-gpio.h>