PHY_INT_MASK
ret = smsc75xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_INT_MASK);
smsc75xx_mdio_write_nopm(dev->net, mii->phy_id, PHY_INT_MASK, ret);
smsc75xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK,