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Date: Mon, 22 Feb 2016 13:33:14 +0100 From: Mason <slash.tmp@...e.fr> To: "David S. Miller" <davem@...emloft.net> Cc: Sebastian Frias <sf84@...oste.net>, Mans Rullgard <mans@...sr.com>, netdev <netdev@...r.kernel.org> Subject: [PATCH v6] net: ethernet: nb8800: support fixed-link DT node From: Sebastian Frias <sf84@...oste.net> 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@...oste.net> Acked-by: Mans Rullgard <mans@...sr.com> Cc: Mason <slash.tmp@...e.fr> --- There were spurious spaces in the previous patch. --- 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 f71ab2647a3b..08a23e6b60e9 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; -- 2.7.0
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