From nobody Sat Oct 4 14:15:00 2025 Received: from smtpbgeu2.qq.com (smtpbgeu2.qq.com [18.194.254.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D2C8B2BD583; Fri, 15 Aug 2025 02:35:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=18.194.254.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755225343; cv=none; b=UufSdZ39osBsu91FeznbMQXQD+m9XlIvJ8oMAMqHSfIqssFtKlMUiM7nepWSZpsqihRVXBxxmluNBnuLMGuyBIW9MKArToWKP4HNHeNpnhlpUbd45b3T+09FsIJ6/rP3yWH1cSZK/XJgDZgsDIo4q2RL65XP7QTUOxovyXxd+gA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755225343; c=relaxed/simple; bh=4Q3abjEnlfrbFv9U9hz3xfSQ7/KeygdxriBkOQXkOSs=; h=From:To:Cc:Subject:Date:Message-Id; b=C+snrK+jrwkDeFiOxYgn6sK00e5uFZnR9v33X7C/gDUa/MoAc7fmReJVhx1QiHLpV0SeNYAbcVzMG4bHvZkZ14IMk6eYPbi00N99Daz3+O48IErr2j6SkiRlCZ5LcD3x/OxRQw8bDU3S3QpTcleNmad2gbHuvyn6mJlGZG6Qw90= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=airkyi.com; spf=pass smtp.mailfrom=airkyi.com; dkim=pass (1024-bit key) header.d=airkyi.com header.i=@airkyi.com header.b=PETpp5hC; arc=none smtp.client-ip=18.194.254.142 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=airkyi.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=airkyi.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=airkyi.com header.i=@airkyi.com header.b="PETpp5hC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1755225324; bh=18Y2FqPHGv9yTsq2i+bvrkK1Nwx8p+K4AcbHDTl42W4=; h=From:To:Subject:Date:Message-Id; b=PETpp5hCLUcbcER3obgNFK4HJ4dRfaiQY5neZxAyGWT9oHS6C7TNOk8NGLY3YwNm2 WrgWK6Xu5ak/FzdeixmMXUoY9bgcZsjX+CvwnnWAaG3ycTlY77pHz0ofnlrdtFu+Zz vk6GXv5IWZPTCjMsLxl+xFTyEhsJkQt/Nv8kFHkI= X-QQ-mid: zesmtpgz1t1755225322taec13901 X-QQ-Originating-IP: EIRDYySQ/vTVoXNlfnhjpk64A+oYYEctZ9g7jsLXhaQ= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Fri, 15 Aug 2025 10:35:19 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 7637992239138858937 From: Chaoyi Chen To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , "Russell King (Oracle)" , Jonas Karlman , David Wu Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Chaoyi Chen Subject: [PATCH net-next v3] net: ethernet: stmmac: dwmac-rk: Make the clk_phy could be used for external phy Date: Fri, 15 Aug 2025 10:35:15 +0800 Message-Id: <20250815023515.114-1-kernel@airkyi.com> X-Mailer: git-send-email 2.17.1 X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpgz:airkyi.com:qybglogicsvrsz:qybglogicsvrsz4a-0 X-QQ-XMAILINFO: NpfbsqbTlzxU0xuPeWYtNukpwE62jbX8VpEz+YiW2F01Loeu5BNit1Z7 0zPzpG0EyVej11uEyyyg+mUp3HEeadmg/jdKTa11Qf/R0HS7hAbW4I6aGX6OVSfu5vHrObR GTqHoltcZlwGxVRutjWmsNyGkR/G8qqlg++sotMkjowx8bWX9Vp9y8SAGCSSru7Bl5GVHR5 PuaDAiJ8IlXs4tMkOMCYXU+ZXdziT45coXw9+cNB5rrjcPHT3+nlBjC+s3r14nJ5l8iK3/U m+r5f2Lg5EZBEEbXzUjcobTXu3v8fKrwulWp4YkDXcqMIXCmp7eweiUf1PTV5otC0U8aisn uLCPhCqmNu0ku66r3Eq8w+oUupxaP5XB2BKeNZhTQmN9Naqt9G4aUMODUsnZdxK6UKuW6+9 5/bM4yoXrrh90fFsB20+gIKnxN8+PnUFTUWiRw2uUg1ppLKb0QXBMkSvU2Vln71ceAQtYI4 qJZV3Mkndtqu1E6nholDMtRfuVJ23bbGOhxCg0hUzn8QLV7LjHQY1+CJFLfdBFhHCZfThlR +6Ky6XW9ExZpzrzBiXeod8HDGZvNWE4YgyKFJuy8bPGn84FCJ6jv2i/cLEIwzjfQK+7Jxh0 z50/YM626l6VUEJmslLbnizCUpR27jPJxU7hNv6Yfvs6/uslp2eHASEkBCM7MzooREzfdMi bbjWlA2wQ14CM4QkAiZIDzvn1B4VdstS0oTlNNLtpSKbRlpaWcmerysmyHqXO9J6BkMhkRo QNLXBrTtm8dglsx01Zhm42xZUW5dqeTTPWWehNyzZulZxVznHhQFt7R9kWg1RWePE2z8ckN ldvSci7JkOrMcpYme6hPy3NNWlKqapspnk+qFoQAQzzdadB/97Dm5jNtd8tHCOwJ6QIB6v/ wcofv0umlpqRnUIKNLWyy659l1ZpaxADpZu0J9ZXfB5nCvXw489j7LFIEc0TgAMcyyGkXrn uB7QNfx48EvjKTtvL9qOIGoU704av5DmJFdAz1JsrvWZ0hjU7uAkB12z+ X-QQ-XMRINFO: OWPUhxQsoeAVDbp3OJHYyFg= X-QQ-RECHKSPAM: 0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Chaoyi Chen For external phy, clk_phy should be optional, and some external phy need the clock input from clk_phy. This patch adds support for setting clk_phy for external phy. Signed-off-by: David Wu Signed-off-by: Chaoyi Chen --- Changes in v3: - Link to V2: https://lore.kernel.org/netdev/20250812012127.197-1-kernel@ai= rkyi.com/ - Rebase to net-next/main Changes in v2: - Link to V1: https://lore.kernel.org/netdev/20250806011405.115-1-kernel@ai= rkyi.com/ - Remove get clock frequency from DT prop drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/e= thernet/stmicro/stmmac/dwmac-rk.c index ac8288301994..5d921e62c2f5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1412,12 +1412,15 @@ static int rk_gmac_clk_init(struct plat_stmmacenet_= data *plat) clk_set_rate(plat->stmmac_clk, 50000000); } =20 - if (plat->phy_node && bsp_priv->integrated_phy) { + if (plat->phy_node) { bsp_priv->clk_phy =3D of_clk_get(plat->phy_node, 0); ret =3D PTR_ERR_OR_ZERO(bsp_priv->clk_phy); - if (ret) - return dev_err_probe(dev, ret, "Cannot get PHY clock\n"); - clk_set_rate(bsp_priv->clk_phy, 50000000); + /* If it is not integrated_phy, clk_phy is optional */ + if (bsp_priv->integrated_phy) { + if (ret) + return dev_err_probe(dev, ret, "Cannot get PHY clock\n"); + clk_set_rate(bsp_priv->clk_phy, 50000000); + } } =20 return 0; --=20 2.49.0