diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h
index b8c5112..76dd1b1 100644
--- a/include/linux/amba/pl022.h
+++ b/include/linux/amba/pl022.h
@@ -25,6 +25,8 @@
 #ifndef _SSP_PL022_H
 #define _SSP_PL022_H
 
+#include <linux/types.h>
+
 /**
  * whether SSP is in loopback mode or not
  */