net: phy: use phy_modify_mmd_changed in genphy_c45_an_config_aneg

As can be seen from the usage of the return value, we should use
phy_modify_mmd_changed() here.

Fixes: 9a5dc8af ("net: phy: add genphy_c45_an_config_aneg")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/phy-c45.c

@@ -99,7 +99,7 @@ int genphy_c45_an_config_aneg(struct phy_device *phydev)
 
 	adv = linkmode_adv_to_mii_adv_t(phydev->advertising);
 
-	ret = phy_modify_mmd(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE,
+	ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_ADVERTISE,
 				     ADVERTISE_ALL | ADVERTISE_100BASE4 |
 				     ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM,
 				     adv);
@@ -110,11 +110,10 @@ int genphy_c45_an_config_aneg(struct phy_device *phydev)
 
 	adv = linkmode_adv_to_mii_10gbt_adv_t(phydev->advertising);
 
-	ret = phy_modify_mmd(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
+	ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
 				     MDIO_AN_10GBT_CTRL_ADV10G |
 				     MDIO_AN_10GBT_CTRL_ADV5G |
-			     MDIO_AN_10GBT_CTRL_ADV2_5G,
-			     adv);
+				     MDIO_AN_10GBT_CTRL_ADV2_5G, adv);
 	if (ret < 0)
 		return ret;
 	if (ret > 0)