Andrew On 7/11/20 1:54 PM, Andrew Lunn wrote:
@@ -302,6 +357,48 @@ static int dp83822_config_init(struct phy_device *phydev) } }+ if (dp83822->fx_enabled) {+ err = phy_modify(phydev, MII_DP83822_CTRL_2, + DP83822_FX_ENABLE, 1); + if (err < 0) + return err; + + linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + phydev->supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_FIBRE_BIT, + phydev->advertising); + + /* Auto neg is not supported in fiber mode */ + bmcr = phy_read(phydev, MII_BMCR); + if (bmcr < 0) + return bmcr; + + if (bmcr & BMCR_ANENABLE) { + err = phy_modify(phydev, MII_BMCR, BMCR_ANENABLE, 0); + if (err < 0) + return err; + } + phydev->autoneg = AUTONEG_DISABLE;You should also be removing ETHTOOL_LINK_MODE_Autoneg_BIT from phydev->supported, to make it clear autoneg is not supported. Assuming genphy_read_abilities() cannot figure this out for itself.
In our testing we are finding that it cannot determine that for itself so I will have to clear the bit.
Dan
