MDIO_DEVICE_FLAG_PHY
if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY) {
if (!(mdiodev->flags & MDIO_DEVICE_FLAG_PHY))
!(mdio->flags & MDIO_DEVICE_FLAG_PHY))
if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY)
mdiodev->flags = MDIO_DEVICE_FLAG_PHY;