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| author |   Tao Ren <rentao.bupt@gmail.com> | 2022-09-06 22:44:52 -0700 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2022-09-15 12:41:37 +0200 |
| commit | 38561ded50d0c21b829f262c13c4b91529348e27 (patch) | |
| tree | 5f2f1489b31ebdf1b771a0218a8d578e04094891 | |
| parent | Merge branch 'mptcp-allow-privileged-operations-from-user-ns-cleanup' (diff) | |
| download | linux-dev-38561ded50d0c21b829f262c13c4b91529348e27.tar.xz linux-dev-38561ded50d0c21b829f262c13c4b91529348e27.zip | |
net: ftgmac100: support fixed link
Support fixed link in ftgmac100 driver. Fixed link is used on several
Meta OpenBMC platforms, such as Elbert (AST2620) and Wedge400 (AST2520).
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/ethernet/faraday/ftgmac100.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 9277d5fb5052..da04beee5865 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1701,10 +1701,14 @@ err_register_mdiobus: static void ftgmac100_phy_disconnect(struct net_device *netdev) { + struct ftgmac100 *priv = netdev_priv(netdev); + if (!netdev->phydev) return; phy_disconnect(netdev->phydev); + if (of_phy_is_fixed_link(priv->dev->of_node)) + of_phy_deregister_fixed_link(priv->dev->of_node); } static void ftgmac100_destroy_mdio(struct net_device *netdev) @@ -1867,6 +1871,26 @@ static int ftgmac100_probe(struct platform_device *pdev) err = -EINVAL; goto err_phy_connect; } + } else if (np && of_phy_is_fixed_link(np)) { + struct phy_device *phy; + + err = of_phy_register_fixed_link(np); + if (err) { + dev_err(&pdev->dev, "Failed to register fixed PHY\n"); + goto err_phy_connect; + } + + phy = of_phy_get_and_connect(priv->netdev, np, + &ftgmac100_adjust_link); + if (!phy) { + dev_err(&pdev->dev, "Failed to connect to fixed PHY\n"); + of_phy_deregister_fixed_link(np); + err = -EINVAL; + goto err_phy_connect; + } + + /* Display what we found */ + phy_attached_info(phy); } else if (np && of_get_property(np, "phy-handle", NULL)) { struct phy_device *phy; |