Commit c7dfe3ab authored Feb 22, 2016 by Sebastian Frias Committed by David S. Miller Feb 24, 2016

net: ethernet: nb8800: support fixed-link DT node

Under some circumstances, e.g. when connecting to a switch, the ethernet
port will not be connected to a PHY. In that case a "fixed-link" DT node
can be used to replace it.

https://stackoverflow.com/questions/31046172/device-tree-for-phy-less-connection-to-a-dsa-switch



This patch adds support for the "fixed-link" node to the nb8800 driver.

Signed-off-by: Sebastian Frias <sf84@laposte.net>
Acked-by: Mans Rullgard <mans@mansr.com>
Cc: Mason <slash.tmp@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent fbb0fa8b

drivers/net/ethernet/aurora/nb8800.c

+13 −1

Original line number	Diff line number	Diff line
		@@ -1460,7 +1460,19 @@ static int nb8800_probe(struct platform_device *pdev)
		goto err_disable_clk;
		}

		priv->phy_node = of_parse_phandle(pdev->dev.of_node, "phy-handle", 0);
		if (of_phy_is_fixed_link(pdev->dev.of_node)) {
		ret = of_phy_register_fixed_link(pdev->dev.of_node);
		if (ret < 0) {
		dev_err(&pdev->dev, "bad fixed-link spec\n");
		goto err_free_bus;
		}
		priv->phy_node = of_node_get(pdev->dev.of_node);
		}

		if (!priv->phy_node)
		priv->phy_node = of_parse_phandle(pdev->dev.of_node,
		"phy-handle", 0);

		if (!priv->phy_node) {
		dev_err(&pdev->dev, "no PHY specified\n");
		ret = -ENODEV;