diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 4eaadcfcb0fe5ed2d5bd82a4632989916ade90e2..203651ebccb0fa21e419a2956188658344ab9dab 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -255,6 +255,7 @@ int mdiobus_register(struct mii_bus *bus)
 
 	bus->dev.parent = bus->parent;
 	bus->dev.class = &mdio_bus_class;
+	bus->dev.driver = bus->parent->driver;
 	bus->dev.groups = NULL;
 	dev_set_name(&bus->dev, "%s", bus->id);