diff mbox series

[4.19,11/80] net: phy: fix aneg restart in phy_ethtool_set_eee

Message ID 20200518173452.573001655@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 18, 2020, 5:36 p.m. UTC 
From: Heiner Kallweit <hkallweit1@gmail.com>

[ Upstream commit 9de5d235b60a7cdfcdd5461e70c5663e713fde87 ]

phy_restart_aneg() enables aneg in the PHY. That's not what we want
if phydev->autoneg is disabled. In this case still update EEE
advertisement register, but don't enable aneg and don't trigger an
aneg restart.

Fixes: f75abeb8338e ("net: phy: restart phy autonegotiation after EEE advertisment change")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/phy/phy.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
diff mbox series

Patch

--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1302,9 +1302,11 @@  int phy_ethtool_set_eee(struct phy_devic
 		/* Restart autonegotiation so the new modes get sent to the
 		 * link partner.
 		 */
-		ret = phy_restart_aneg(phydev);
-		if (ret < 0)
-			return ret;
+		if (phydev->autoneg == AUTONEG_ENABLE) {
+			ret = phy_restart_aneg(phydev);
+			if (ret < 0)
+				return ret;
+		}
 	}
 
 	return 0;