From patchwork Mon Feb 22 12:33:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason X-Patchwork-Id: 586133 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 5B465140BA4 for ; Mon, 22 Feb 2016 23:33:26 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754406AbcBVMdW (ORCPT ); Mon, 22 Feb 2016 07:33:22 -0500 Received: from smtp2-g21.free.fr ([212.27.42.2]:31049 "EHLO smtp2-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753268AbcBVMdV (ORCPT ); Mon, 22 Feb 2016 07:33:21 -0500 Received: from [172.27.0.114] (unknown [83.142.147.193]) (Authenticated sender: slash.tmp) by smtp2-g21.free.fr (Postfix) with ESMTPSA id 43DCC4B0090; Mon, 22 Feb 2016 13:30:06 +0100 (CET) To: "David S. Miller" Cc: Sebastian Frias , Mans Rullgard , netdev From: Mason Subject: [PATCH v6] net: ethernet: nb8800: support fixed-link DT node Message-ID: <56CB000A.1070809@free.fr> Date: Mon, 22 Feb 2016 13:33:14 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0 SeaMonkey/2.39 MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Sebastian Frias 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 Acked-by: Mans Rullgard Cc: Mason --- 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;