netdev - [PATCH net-next 3/3] net: bcmgenet: support restarting auto-negotiation

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Date:	Tue, 25 Nov 2014 21:16:36 -0800
From:	Florian Fainelli <f.fainelli@...il.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, pgynther@...gle.com,
	Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH net-next 3/3] 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@...il.com>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index bf44e0e23799..f2fadb053d52 100644
--- 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. */
-- 
2.1.0

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