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net: phy: genphy_c45_baset1_an_config_aneg: do no set unknown configuration

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Do not change default master/slave autoneg configuration if no
changes was requested.

Fixes: 3da8ffd854 ("net: phy: Add 10BASE-T1L support in phy-c45")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Oleksij Rempel
2022-05-06 06:23:51 +02:00
committed by David S. Miller
parent 5dd6da2525
commit a7f0e4bea8
1 changed files with 5 additions and 1 deletions
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6
drivers/net/phy/phy-c45.c
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@@ -191,8 +191,12 @@ static int genphy_c45_baset1_an_config_aneg(struct phy_device *phydev)
case MASTER_SLAVE_CFG_MASTER_PREFERRED:
case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
break;
case MASTER_SLAVE_CFG_UNKNOWN:
case MASTER_SLAVE_CFG_UNSUPPORTED:
return 0;
default:
break;
phydev_warn(phydev, "Unsupported Master/Slave mode\n");
return -EOPNOTSUPP;
}
switch (phydev->master_slave_set) {