diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index a4e0b0fa0191367ddb478c3f702965fd8cfeb042..ce272b4d79c4ae3bcca4dd88cefa2b57fed47247 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -36,6 +36,7 @@
 #include <plat/regs-usb-hsotg.h>
 #include <mach/regs-sys.h>
 #include <plat/udc-hs.h>
+#include <plat/cpu.h>
 
 #define DMA_ADDR_INVALID (~((dma_addr_t)0))