From a7f0e4bea8eda1d286f4e99176bcb88f53aa703b Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Fri, 6 May 2022 06:23:51 +0200 Subject: [PATCH] net: phy: genphy_c45_baset1_an_config_aneg: do no set unknown configuration 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 Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller --- 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) {