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From 244bee2889d08f876c64c335765a8ea6de0f5381 Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Thu, 1 Oct 2015 19:40:31 +0100
Subject: [PATCH 725/744] net: mvneta: add nway_reset support

Add ethtool nway_reset support to mvneta via phylink, so that userspace
can request the link in whatever mode to be renegotiated via
ethtool -r ethX.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 drivers/net/ethernet/marvell/mvneta.c | 8 ++++++++
 1 file changed, 8 insertions(+)

--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3589,6 +3589,13 @@ int mvneta_ethtool_set_settings(struct n
 	return phylink_ethtool_set_settings(pp->phylink, cmd);
 }
 
+static int mvneta_ethtool_nway_reset(struct net_device *dev)
+{
+	struct mvneta_port *pp = netdev_priv(dev);
+
+	return phylink_ethtool_nway_reset(pp->phylink);
+}
+
 /* Set interrupt coalescing for ethtools */
 static int mvneta_ethtool_set_coalesce(struct net_device *dev,
 				       struct ethtool_coalesce *c)
@@ -3853,6 +3860,7 @@ const struct ethtool_ops mvneta_eth_tool
 	.get_link       = ethtool_op_get_link,
 	.get_settings   = mvneta_ethtool_get_settings,
 	.set_settings   = mvneta_ethtool_set_settings,
+	.nway_reset	= mvneta_ethtool_nway_reset,
 	.set_coalesce   = mvneta_ethtool_set_coalesce,
 	.get_coalesce   = mvneta_ethtool_get_coalesce,
 	.get_drvinfo    = mvneta_ethtool_get_drvinfo,