MII_DP83822_RCSR
err = phy_modify_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
MII_DP83822_RCSR, DP83822_RGMII_MODE_EN);
ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
ret = phy_set_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,
ret = phy_clear_bits_mmd(phydev, MDIO_MMD_VEND2, MII_DP83822_RCSR,