diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c
index 4b4c1b6..4fcb16b 100644
--- a/drivers/rtc/rtc-ds1286.c
+++ b/drivers/rtc/rtc-ds1286.c
@@ -17,6 +17,7 @@
 #include <linux/platform_device.h>
 #include <linux/bcd.h>
 #include <linux/ds1286.h>
+#include <linux/io.h>
 
 #define DRV_VERSION		"1.0"