diff --git a/include/linux/mtd/fsmc.h b/include/linux/mtd/fsmc.h
index 5d2556700ec2..e210b87e6cd6 100644
--- a/include/linux/mtd/fsmc.h
+++ b/include/linux/mtd/fsmc.h
@@ -16,6 +16,7 @@
 #ifndef __MTD_FSMC_H
 #define __MTD_FSMC_H
 
+#include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
 #include <linux/types.h>