From: Sebastian Frias Subject: [PATCH v4] net: ethernet: nb8800: support fixed-link DT node Date: Fri, 05 Feb 2016 15:56:35 +0100 Message-ID: <56B4B823.6090902@laposte.net> References: <56B4A445.7080402@laposte.net> <56B4A877.4020800@laposte.net> <56B4ACC4.1000607@laposte.net> <56B4B013.5030407@laposte.net> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , netdev@vger.kernel.org, LKML , mason To: =?windows-1252?Q?M=E5ns_Rullg=E5rd?= Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Properly handles the case where the PHY is not connected to the real MDIO bus Signed-off-by: Sebastian Frias --- 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