diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 4a6374c..a08c6945 100644
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -13,6 +13,7 @@
 #include <cpu_func.h>
 #include <asm/cache.h>
 #include <dm/device_compat.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/usb/composite.h>
 #include <linux/iopoll.h>