[PATCH net-next v3 1/7] net: phy: genphy_c45_baset1_an_config_aneg: do no set unknown configuration

Oleksij Rempel
2022-05-05T06:34:05Z

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

Fixes: 3da8ffd8545f ("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>
---
drivers/net/phy/phy-c45.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index eefdd67d5556..0014aa6e73c0 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -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) {
--
2.30.2