[PATCH 01/15] net: phy: Add phy_ethtool_nway_reset

* [PATCH 01/15] net: phy: Add phy_ethtool_nway_reset
       [not found] <20161115180644.3941-1-f.fainelli@gmail.com>
@ 2016-11-15 18:06 ` Florian Fainelli
  2016-11-17 10:06   ` Krzysztof Hałasa
  2016-11-15 18:06 ` [PATCH 02/15] net: nb8800: Utilize phy_ethtool_nway_reset Florian Fainelli
                   ` (13 subsequent siblings)
  14 siblings, 1 reply; 21+ messages in thread
From: Florian Fainelli @ 2016-11-15 18:06 UTC (permalink / raw)
  To: netdev; +Cc: davem, andrew, tremyfr, Florian Fainelli, open list

This function just calls into genphy_restart_aneg() to perform an
autonegotation restart.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/phy/phy.c | 11 +++++++++++
 include/linux/phy.h   |  1 +
 2 files changed, 12 insertions(+)

diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index e6dd222fddb1..73adbaa9ac86 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1441,3 +1441,14 @@ int phy_ethtool_set_link_ksettings(struct net_device *ndev,
 	return phy_ethtool_ksettings_set(phydev, cmd);
 }
 EXPORT_SYMBOL(phy_ethtool_set_link_ksettings);
+
+int phy_ethtool_nway_reset(struct net_device *ndev)
+{
+	struct phy_device *phydev = ndev->phydev;
+
+	if (!phydev)
+		return -ENODEV;
+
+	return genphy_restart_aneg(phydev);
+}
+EXPORT_SYMBOL(phy_ethtool_nway_reset);
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 9880d73a2c3d..b9bd3b4f4ea1 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -860,6 +860,7 @@ int phy_ethtool_get_link_ksettings(struct net_device *ndev,
 				   struct ethtool_link_ksettings *cmd);
 int phy_ethtool_set_link_ksettings(struct net_device *ndev,
 				   const struct ethtool_link_ksettings *cmd);
+int phy_ethtool_nway_reset(struct net_device *ndev);
 
 int __init mdio_bus_init(void);
 void mdio_bus_exit(void);
-- 
2.9.3

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