From nobody Sat Apr 11 14:45:03 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 829ADECAAA1 for ; Tue, 6 Sep 2022 06:20:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238017AbiIFGUp (ORCPT ); Tue, 6 Sep 2022 02:20:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230056AbiIFGUh (ORCPT ); Tue, 6 Sep 2022 02:20:37 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B1AA222B9; Mon, 5 Sep 2022 23:20:37 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id t11-20020a17090a510b00b001fac77e9d1fso13878018pjh.5; Mon, 05 Sep 2022 23:20:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=nGBVFgXS0eqoiY86MSD6T7/S6VN4vNYiYOjgs/oE4mY=; b=KyXRFDauk1axtxubltzu8BL+9pcdtxnAvJKf+Xw9R/aDIRKMEHXxUXHNyFcdP60sIO +3AtxKFVqBcoQH27ignZ39T5f7Y9tT3ze/AAQ/thdm0vLFaNBnNxQEaX78lCtjCGwwaz 4BmDjwFL8PNJn8vW/YpYg0s+kmvpEiLMslNQgk5G8amP8+R7qzmXF/WBkx0xpIlrWJ/c xID8JpzAwaYSUgFc+RYodWx8A4EBque0dhLl/U1vmCKz0OIVNWArVOW2u7PYwana5ntt Pc0h2VD1ncsV7y+n273AlV0CieRr8fyqOCTynk9uzk+TquvyQDwMDLb6reEGou32+UxD hX/g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=nGBVFgXS0eqoiY86MSD6T7/S6VN4vNYiYOjgs/oE4mY=; b=Wq1q9uf05ZQPXgGsl8yPkiS46qkYgYFUhb6z2rZo2f4uyfWzzRqaLsFKmKuPVAw/5b 4GCmlOQnmIpsVkjDvgPTzStmUBAngBRGQFlZmZZ7yaL/Gdr68RmKmvUtuu3RLVAirGjm 638era5eyWwKw+wz8IzsFtq23/gEMEOefj8gMMCgF+KQKKXqdeS04OxFm0de6VEd8TbY mmHnCji4tnYPiZDNVpRcTLv05PnpXB9WG7F1L9sXr+piRhPgI4wokC/qn3JjejGGGrXi xuwEkUbjqo18j8jiVFe5kfMl10rCxBlJw+uYZw/qrXLet+RP/KbBEsDvBlkD7X+QLHgs gNzg== X-Gm-Message-State: ACgBeo0qx11Imza3w+M8xmJqATLiGDmBvs1VdRst0k+tA04YtDF0NUAf SHTUCnN1iAZ03CXiLrusVpE= X-Google-Smtp-Source: AA6agR53PUca4ir2leHPUVovDvemsSXgnFsYiOcmz3zQdzyDkaeSkXfx+UaVJ9p02CUgb1p2FUTNjA== X-Received: by 2002:a17:902:7845:b0:16e:d647:a66c with SMTP id e5-20020a170902784500b0016ed647a66cmr50876749pln.64.1662445236481; Mon, 05 Sep 2022 23:20:36 -0700 (PDT) Received: from localhost.localdomain ([76.132.249.1]) by smtp.gmail.com with ESMTPSA id m16-20020a170902db1000b00172dd10f64fsm8877798plx.263.2022.09.05.23.20.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Sep 2022 23:20:35 -0700 (PDT) From: rentao.bupt@gmail.com To: Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Heyi Guo , Dylan Hung , Guangbin Huang , Liang He , Hao Chen , Rob Herring , Krzysztof Kozlowski , Joel Stanley , Andrew Jeffery , Tao Ren , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: Tao Ren Subject: [PATCH net-next v2 1/2] net: ftgmac100: support fixed link Date: Mon, 5 Sep 2022 23:20:25 -0700 Message-Id: <20220906062026.57169-2-rentao.bupt@gmail.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220906062026.57169-1-rentao.bupt@gmail.com> References: <20220906062026.57169-1-rentao.bupt@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Tao Ren Support fixed link in ftgmac100 driver. Fixed link is used on several Meta OpenBMC platforms, such as Elbert (AST2620) and Wedge400 (AST2520). Signed-off-by: Tao Ren Reviewed-by: Andrew Lunn --- Changes in v2: None drivers/net/ethernet/faraday/ftgmac100.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/etherne= t/faraday/ftgmac100.c index 9277d5fb5052..da04beee5865 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -1701,10 +1701,14 @@ static int ftgmac100_setup_mdio(struct net_device *= netdev) =20 static void ftgmac100_phy_disconnect(struct net_device *netdev) { + struct ftgmac100 *priv =3D netdev_priv(netdev); + if (!netdev->phydev) return; =20 phy_disconnect(netdev->phydev); + if (of_phy_is_fixed_link(priv->dev->of_node)) + of_phy_deregister_fixed_link(priv->dev->of_node); } =20 static void ftgmac100_destroy_mdio(struct net_device *netdev) @@ -1867,6 +1871,26 @@ static int ftgmac100_probe(struct platform_device *p= dev) err =3D -EINVAL; goto err_phy_connect; } + } else if (np && of_phy_is_fixed_link(np)) { + struct phy_device *phy; + + err =3D of_phy_register_fixed_link(np); + if (err) { + dev_err(&pdev->dev, "Failed to register fixed PHY\n"); + goto err_phy_connect; + } + + phy =3D of_phy_get_and_connect(priv->netdev, np, + &ftgmac100_adjust_link); + if (!phy) { + dev_err(&pdev->dev, "Failed to connect to fixed PHY\n"); + of_phy_deregister_fixed_link(np); + err =3D -EINVAL; + goto err_phy_connect; + } + + /* Display what we found */ + phy_attached_info(phy); } else if (np && of_get_property(np, "phy-handle", NULL)) { struct phy_device *phy; =20 --=20 2.37.3