PHY_CTL1_MDIAB
val = (PHY_CTL1_MDIAB | PHY_CTL1_MDICD);
ret = phy_modify(phydev, PHY_CTL1, PHY_CTL1_AMDIX | PHY_CTL1_MDIAB |
if (ret & PHY_CTL1_MDICD || ret & PHY_CTL1_MDIAB)