MII_DP83640_MICR
micr = phy_read(phydev, MII_DP83640_MICR);
return phy_write(phydev, MII_DP83640_MICR, micr);
micr = phy_read(phydev, MII_DP83640_MICR);
err = phy_write(phydev, MII_DP83640_MICR, micr);