MV_PCS_DSC1
val = phy_read_mmd(phydev, MDIO_MMD_PCS, MV_PCS_DSC1);
return phy_clear_bits_mmd(phydev, MDIO_MMD_PCS, MV_PCS_DSC1,
return phy_modify_mmd(phydev, MDIO_MMD_PCS, MV_PCS_DSC1,