diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 170eb411ab5d..c1ef3000ea60 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -26,6 +26,7 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/of_device.h>
+#include <linux/of_mdio.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>