Commit 38561ded authored by Tao Ren's avatar Tao Ren Committed by Paolo Abeni
Browse files

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: default avatarTao Ren <rentao.bupt@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Reviewed-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarPaolo Abeni <pabeni@redhat.com>
parent 9724343e

drivers/net/ethernet/faraday/ftgmac100.c

+24 −0
Original line number Diff line number Diff line
@@ -1701,10 +1701,14 @@ static int ftgmac100_setup_mdio(struct net_device *netdev) 


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;