MII_88E1540_COPPER_CTRL3
val = phy_read(phydev, MII_88E1540_COPPER_CTRL3);
return phy_clear_bits(phydev, MII_88E1540_COPPER_CTRL3,
ret = phy_modify(phydev, MII_88E1540_COPPER_CTRL3,
return phy_set_bits(phydev, MII_88E1540_COPPER_CTRL3,