net: phy: simplify genphy_config_advert by using the linkmode_adv_to_xxx_t functions

Using linkmode_adv_to_mii_adv_t and linkmode_adv_to_mii_ctrl1000_t
allows to simplify the code. In addition avoiding the conversion to
the legacy u32 advertisement format allows to remove the warning.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/phy_device.c

@@ -1564,24 +1564,20 @@ EXPORT_SYMBOL(phy_reset_after_clk_enable);
  */
 static int genphy_config_advert(struct phy_device *phydev)
 {
-	u32 advertise;
-	int bmsr, adv;
-	int err, changed = 0;
+	int err, bmsr, changed = 0;
+	u32 adv;
 
 	/* Only allow advertising what this PHY supports */
 	linkmode_and(phydev->advertising, phydev->advertising,
 		     phydev->supported);
-	if (!ethtool_convert_link_mode_to_legacy_u32(&advertise,
-						     phydev->advertising))
-		phydev_warn(phydev, "PHY advertising (%*pb) more modes than genphy supports, some modes not advertised.\n",
-			    __ETHTOOL_LINK_MODE_MASK_NBITS,
-			    phydev->advertising);
+
+	adv = linkmode_adv_to_mii_adv_t(phydev->advertising);
 
 	/* Setup standard advertisement */
 	err = phy_modify_changed(phydev, MII_ADVERTISE,
 				 ADVERTISE_ALL | ADVERTISE_100BASE4 |
 				 ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM,
-				 ethtool_adv_to_mii_adv_t(advertise));
+				 adv);
 	if (err < 0)
 		return err;
 	if (err > 0)
@@ -1598,13 +1594,7 @@ static int genphy_config_advert(struct phy_device *phydev)
 	if (!(bmsr & BMSR_ESTATEN))
 		return changed;
 
-	/* Configure gigabit if it's supported */
-	adv = 0;
-	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT,
-			      phydev->supported) ||
-	    linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT,
-			      phydev->supported))
-		adv = ethtool_adv_to_mii_ctrl1000_t(advertise);
+	adv = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising);
 
 	err = phy_modify_changed(phydev, MII_CTRL1000,
 				 ADVERTISE_1000FULL | ADVERTISE_1000HALF,