Sebastian Frias <s...@laposte.net> writes:
> Under some circumstances, for example when connecting
> to a switch:
>
> https://stackoverflow.com/questions/31046172/device-tree-for-phy-less-connection-to-a-dsa-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.
>
> This patch adds support for the "fixed-link" node to the
> nb8800 driver.
>
> Signed-off-by: Sebastian Frias <s...@laposte.net>
Acked-by: Mans Rullgard <m...@mansr.com>
> ---
> drivers/net/ethernet/aurora/nb8800.c | 14 +++++++++++++-
> 1 file changed, 13 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/aurora/nb8800.c
> b/drivers/net/ethernet/aurora/nb8800.c
> index ecc4a33..e1fb071 100644
> --- a/drivers/net/ethernet/aurora/nb8800.c
> +++ b/drivers/net/ethernet/aurora/nb8800.c
> @@ -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;
> --
> 2.1.4
>
--
Måns Rullgård
