smsc95xx_mdio_read
ret = smsc95xx_mdio_read(dev, pdata->phydev->mdio.addr, MII_BMSR);
ret = smsc95xx_mdio_read(dev, pdata->phydev->mdio.addr, MII_BMSR);
ret = smsc95xx_mdio_read(dev, phy_id, PHY_MODE_CTRL_STS);
return smsc95xx_mdio_read(dev, phy_id, idx);