netdev - [PATCH v2 1/4] micrel: fix config

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Message-Id: <20191218200831.13796-2-m.grzeschik@pengutronix.de>
Date:   Wed, 18 Dec 2019 21:08:28 +0100
From:   Michael Grzeschik <m.grzeschik@...gutronix.de>
To:     andrew@...n.ch
Cc:     f.fainelli@...il.com, netdev@...r.kernel.org, davem@...emloft.net,
        kernel@...gutronix.de
Subject: [PATCH v2 1/4] micrel: fix config_aneg for ksz886x

The third port of the ksz886x is fixed to be connected to the
cpu. This port has no possibility to do auto negotiation.

Signed-off-by: Michael Grzeschik <m.grzeschik@...gutronix.de>
---
 drivers/net/phy/micrel.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 63dedec0433de..913a8b68da350 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -841,6 +841,16 @@ static int ksz8873mll_config_aneg(struct phy_device *phydev)
 	return 0;
 }
 
+static int ksz886x_config_aneg(struct phy_device *phydev)
+{
+	if (phydev->mdio.addr == 3) {
+		phydev->autoneg = AUTONEG_DISABLE;
+		genphy_read_status(phydev);
+	}
+
+	return genphy_config_aneg(phydev);
+}
+
 static int kszphy_get_sset_count(struct phy_device *phydev)
 {
 	return ARRAY_SIZE(kszphy_hw_stats);
@@ -1171,6 +1181,7 @@ static struct phy_driver ksphy_driver[] = {
 	.name		= "Micrel KSZ886X Switch",
 	/* PHY_BASIC_FEATURES */
 	.config_init	= kszphy_config_init,
+	.config_aneg	= ksz886x_config_aneg,
 	.suspend	= genphy_suspend,
 	.resume		= genphy_resume,
 }, {
-- 
2.24.0