diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c
index 216e864bb5df3c94d721af981231215db7373ba1..1a9b410f4190fcbec15b9f0143d184b82e08b0c5 100644
--- a/drivers/misc/mic/vop/vop_main.c
+++ b/drivers/misc/mic/vop/vop_main.c
@@ -34,6 +34,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/dma-mapping.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
 
 #include "vop_main.h"