at803x_config_mdix
ret = at803x_config_mdix(phydev, ETH_TP_MDI);
EXPORT_SYMBOL_GPL(at803x_config_mdix);
ret = at803x_config_mdix(phydev, phydev->mdix_ctrl);
int at803x_config_mdix(struct phy_device *phydev, u8 ctrl);