It is not required after commit 
cd772de358d6
("phy: keep pause flags in phy driver features")
Signed-off-by: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
        /* MAC doesn't support 1000T Half */
        phydev->supported &= ~SUPPORTED_1000baseT_Half;
-       phydev->supported |= (SUPPORTED_10baseT_Half |
-                             SUPPORTED_10baseT_Full |
-                             SUPPORTED_100baseT_Half |
-                             SUPPORTED_100baseT_Full |
-                             SUPPORTED_1000baseT_Full |
-                             SUPPORTED_Pause | SUPPORTED_Asym_Pause);
+
        genphy_config_aneg(phydev);
 
        phy_start(phydev);