diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c
index a8edcf387bba..af47147dd656 100644
--- a/drivers/net/ethernet/socionext/netsec.c
+++ b/drivers/net/ethernet/socionext/netsec.c
@@ -8,6 +8,7 @@
 #include <linux/of_mdio.h>
 #include <linux/etherdevice.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 
 #include <net/tcp.h>
 #include <net/ip6_checksum.h>