diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 1903f611038..0b6d9cf7274 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -10,6 +10,7 @@
  *          Peter Chen <peter.chen@nxp.com>
  */
 
+#include <cpu_func.h>
 #include <linux/usb/composite.h>
 #include <linux/iopoll.h>