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net: phy: c45: detect the BASE-T1 speed from the ability register

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Read the ability to do 100BASE-T1 and 1000BASE-T1 from the extended
BASE-T1 ability register of the PHY.

Signed-off-by: Stefan Eichenberger <eichest@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Stefan Eichenberger 2023-07-19 08:42:57 +02:00 committed by Paolo Abeni
parent eba2e4c2fa
commit a60eb72066
1 changed files with 8 additions and 0 deletions
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8
drivers/net/phy/phy-c45.c
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@ -899,6 +899,14 @@ int genphy_c45_pma_baset1_read_abilities(struct phy_device *phydev)
phydev->supported,
val & MDIO_PMA_PMD_BT1_B10L_ABLE);
linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
phydev->supported,
val & MDIO_PMA_PMD_BT1_B100_ABLE);
linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
phydev->supported,
val & MDIO_PMA_PMD_BT1_B1000_ABLE);
val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_T1_STAT);
if (val < 0)
return val;