linux-kernel - RE: [PATCH v2 3/3] net: stmmac: add gmac autonego set for ethtool support

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Message-id: <003d01cdef8d$d25b2bf0$771183d0$@samsung.com>
Date:	Thu, 10 Jan 2013 15:54:24 -0800
From:	Byungho An <bh74.an@...sung.com>
To:	'David Miller' <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	peppe.cavallaro@...com, jeffrey.t.kirsher@...el.com,
	kgene.kim@...sung.com
Subject: RE: [PATCH v2 3/3] net: stmmac: add gmac autonego set for ethtool
 support


This patch adds gmac auto-negotiation setting for ethtool.
If interface is SGMII, TBI or RTBI, gmac's auto-negotiation
enable bit is need to set.

Signed-off-by: Byungho An <bh74.an@...sung.com>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 1372ce2..457c1a4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -335,6 +335,7 @@ stmmac_set_pauseparam(struct net_device *netdev,
 	struct phy_device *phy = priv->phydev;
 	int new_pause = FLOW_OFF;
 	int ret = 0;
+	int interface = priv->plat->interface;
 
 	spin_lock(&priv->lock);
 
@@ -348,6 +349,10 @@ stmmac_set_pauseparam(struct net_device *netdev,
 
 	if (phy->autoneg) {
 		if (netif_running(netdev))
+			if((interface == PHY_INTERFACE_MODE_SGMII) ||
+			   (interface == PHY_INTERFACE_MODE_TBI) ||
+			   (interface == PHY_INTERFACE_MODE_RTBI)) 
+				priv->hw->mac->set_autoneg(priv->ioaddr);
 			ret = phy_start_aneg(phy);
 	} else
 		priv->hw->mac->flow_ctrl(priv->ioaddr, phy->duplex,
-- 
1.7.10.4


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