net: bcmgenet: support restarting auto-negotiation

Hook a nway_reset ethtool callback to allow restarting the
auto-negotiation process when asked to. We defer to the PHY library call
to do the heavy lifting.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index bf44e0e237997152cf6790c803f19f2631b3a7f9..f2fadb053d526057e7651bef013de0b48817978a 100644 (file)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -799,6 +799,13 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e)
        return phy_ethtool_set_eee(priv->phydev, e);
 }
 
+static int bcmgenet_nway_reset(struct net_device *dev)
+{
+       struct bcmgenet_priv *priv = netdev_priv(dev);
+
+       return genphy_restart_aneg(priv->phydev);
+}
+
 /* standard ethtool support functions. */
 static struct ethtool_ops bcmgenet_ethtool_ops = {
        .get_strings            = bcmgenet_get_strings,
@@ -814,6 +821,7 @@ static struct ethtool_ops bcmgenet_ethtool_ops = {
        .set_wol                = bcmgenet_set_wol,
        .get_eee                = bcmgenet_get_eee,
        .set_eee                = bcmgenet_set_eee,
+       .nway_reset             = bcmgenet_nway_reset,
 };
 
 /* Power down the unimac, based on mode. */