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net: phy: add qca8081 config_aneg 

Reuse at803x phy driver config_aneg excepting
adding 2500M auto-negotiation.

Signed-off-by: Luo Jie <luoj@codeaurora.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Luo Jie 2021-10-24 16:27:32 +08:00 committed by David S. Miller
parent 765c22aad1
commit f884d449bf
1 changed files with 25 additions and 1 deletions
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26
drivers/net/phy/at803x.c
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@ -1109,7 +1109,30 @@ static int at803x_config_aneg(struct phy_device *phydev)
return ret;
}
return genphy_config_aneg(phydev);
/* Do not restart auto-negotiation by setting ret to 0 defautly,
* when calling __genphy_config_aneg later.
*/
ret = 0;
if (phydev->drv->phy_id == QCA8081_PHY_ID) {
int phy_ctrl = 0;
/* The reg MII_BMCR also needs to be configured for force mode, the
* genphy_config_aneg is also needed.
*/
if (phydev->autoneg == AUTONEG_DISABLE)
genphy_c45_pma_setup_forced(phydev);
if (linkmode_test_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, phydev->advertising))
phy_ctrl = MDIO_AN_10GBT_CTRL_ADV2_5G;
ret = phy_modify_mmd_changed(phydev, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL,
MDIO_AN_10GBT_CTRL_ADV2_5G, phy_ctrl);
if (ret < 0)
return ret;
}
return __genphy_config_aneg(phydev, ret);
}
static int at803x_get_downshift(struct phy_device *phydev, u8 *d)
@ -1663,6 +1686,7 @@ static struct phy_driver at803x_driver[] = {
.set_wol = at803x_set_wol,
.get_wol = at803x_get_wol,
.get_features = at803x_get_features,
.config_aneg = at803x_config_aneg,
.suspend = genphy_suspend,
.resume = genphy_resume,
.read_status = qca808x_read_status,