LAN8841_GPIO_BUF
return phy_clear_bits_mmd(phydev, 2, LAN8841_GPIO_BUF, BIT(pin));
return phy_set_bits_mmd(phydev, 2, LAN8841_GPIO_BUF, BIT(pin));
ret = phy_clear_bits_mmd(phydev, 2, LAN8841_GPIO_BUF, BIT(pin));
ret = phy_clear_bits_mmd(phydev, 2, LAN8841_GPIO_BUF, BIT(pin));