diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index ae8c396177434a7cb6ea10e67893cee00a8ff5a3..5e7cfba5b079b02d781710c106cfbbe38f37a358 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -17,6 +17,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/prefetch.h>
 
 #include <asm/cacheflush.h>