diff --git a/include/linux/fsl/guts.h b/include/linux/fsl/guts.h
index 3efa3b861d44cae46670532c9db208d8630099a9..941b11811f85915bd70a730bbc338288d995493b 100644
--- a/include/linux/fsl/guts.h
+++ b/include/linux/fsl/guts.h
@@ -16,6 +16,7 @@
 #define __FSL_GUTS_H__
 
 #include <linux/types.h>
+#include <linux/io.h>
 
 /**
  * Global Utility Registers.