sh_eth: remove custom .get_link_ksettings from ethtool ops

The generic phy_ethtool_get_link_ksettings() function from phylib can be
used instead of in-house sh_eth_get_link_ksettings().
Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Reviewed-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/sh_eth.c

@@ -2040,17 +2040,6 @@ static int sh_eth_phy_start(struct net_device *ndev)
 	return 0;
 }
 
-static int sh_eth_get_link_ksettings(struct net_device *ndev,
-				     struct ethtool_link_ksettings *cmd)
-{
-	if (!ndev->phydev)
-		return -ENODEV;
-
-	phy_ethtool_ksettings_get(ndev->phydev, cmd);
-
-	return 0;
-}
-
 static int sh_eth_set_link_ksettings(struct net_device *ndev,
 				     const struct ethtool_link_ksettings *cmd)
 {
@@ -2398,7 +2387,7 @@ static const struct ethtool_ops sh_eth_ethtool_ops = {
 	.get_sset_count     = sh_eth_get_sset_count,
 	.get_ringparam	= sh_eth_get_ringparam,
 	.set_ringparam	= sh_eth_set_ringparam,
-	.get_link_ksettings = sh_eth_get_link_ksettings,
+	.get_link_ksettings = phy_ethtool_get_link_ksettings,
 	.set_link_ksettings = sh_eth_set_link_ksettings,
 	.get_wol	= sh_eth_get_wol,
 	.set_wol	= sh_eth_set_wol,