From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 4 Mar 2009 09:51:12 +0000 (+0000)
Subject: sfc: Fix efx_ethtool_nway_result() to use clause 45 MDIO registers
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ca83db369c1c633142c08dd0bfafca6ac4247c63;p=linux-beck.git

sfc: Fix efx_ethtool_nway_result() to use clause 45 MDIO registers

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c
index 7b5924c039b3..589d13292969 100644
--- a/drivers/net/sfc/ethtool.c
+++ b/drivers/net/sfc/ethtool.c
@@ -529,7 +529,14 @@ static int efx_ethtool_nway_reset(struct net_device *net_dev)
 {
 	struct efx_nic *efx = netdev_priv(net_dev);
 
-	return mii_nway_restart(&efx->mii);
+	if (efx->phy_op->mmds & DEV_PRESENT_BIT(MDIO_MMD_AN)) {
+		mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_AN,
+				       MDIO_MMDREG_CTRL1,
+				       __ffs(BMCR_ANRESTART), true);
+		return 0;
+	}
+
+	return -EOPNOTSUPP;
 }
 
 static u32 efx_ethtool_get_link(struct net_device *net_dev)