The driver forgets to disable the regulator in remove like what is done
in probe failure.
Add the missed call to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 static int sun4i_mdio_remove(struct platform_device *pdev)
 {
        struct mii_bus *bus = platform_get_drvdata(pdev);
+       struct sun4i_mdio_data *data = bus->priv;
 
        mdiobus_unregister(bus);
+       if (data->regulator)
+               regulator_disable(data->regulator);
        mdiobus_free(bus);
 
        return 0;