From nobody Sun Oct 5 00:09:22 2025 Received: from bg5.exmail.qq.com (bg5.exmail.qq.com [43.155.80.173]) (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 9A10BF9EC; Tue, 12 Aug 2025 01:23:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=43.155.80.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754961799; cv=none; b=jjWsenjfp0D2KbHnQjsG0llx6RXChXBC6/6QXILGktPs7u0Nl98JhSxVd9miTiqWSdr3/1jjAQR31di1lMGCD+WU+DeA1BS+BLTcMq3ePRUn1WQSGEyeC3Mez58a/ibCfzxBLq/QjORWV77A84G3wGOOyHz/M86kgcqxlAAjoAQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754961799; c=relaxed/simple; bh=JDdrAFA+4+2WSGgI580DFOJdGhWmb2e0MaidwUHa2Gc=; h=From:To:Cc:Subject:Date:Message-Id; b=KSYtg20yg4lOXoe86pRCHsoie2kOxPXKaUKLGDXosxYWbfgu2+y6tTp2iy77GET9lts+CQ8Dy4ESg2PF08JpHyQhJa8sMudciG0Eet3DIaXe52S2dHmL+YXoYHxDs5F7dvKtoIBPHxoOHzgwEWptsUZrL3wbymwo8fpS3fqvPH4= 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=Nof0oMhK; arc=none smtp.client-ip=43.155.80.173 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="Nof0oMhK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=airkyi.com; s=altu2504; t=1754961696; bh=DXt1l6NWEaWvzzRNmToj4TiWvhp///AcGoYhD9MVs5s=; h=From:To:Subject:Date:Message-Id; b=Nof0oMhKtKmIn/22ZAPux75Kuq2h0QAuobVGpPP5iXsQV68LNB7HhKw+TckXvNQdP XihKIHpOYuaPjQxVeNJzShx7DORpTyijMxxv1+CoSLcXu6ZLIRVKqMEmUdK5bh0jYK /UTqHQt853NGqlEBJHadmeYhKjLfz/06WzA+0tgk= X-QQ-mid: zesmtpgz1t1754961694t7321c736 X-QQ-Originating-IP: AO0T0YrLnu0VCFmyG0tj5tjzd+Lt/0si4Io9f5QdS7Y= Received: from DESKTOP-8BT1A2O.localdomain ( [58.22.7.114]) by bizesmtp.qq.com (ESMTP) with id ; Tue, 12 Aug 2025 09:21:31 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 6442695282303422714 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 v2] net: ethernet: stmmac: dwmac-rk: Make the clk_phy could be used for external phy Date: Tue, 12 Aug 2025 09:21:27 +0800 Message-Id: <20250812012127.197-1-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: NSEFX6u+4l+K7TWvxdky8ksyKCIi64Qy2e+dvVbjeTAEhhpOVwFfVSMp 4eJ0ntfE28l8on9fQ64b6AncSDHiBuqSpfhIoz/F7yk2n9MaP6mtfOAarPAuc9T2s2rk3Mt OWd7k7uVOJPe75fZf1ZDfNYsDH/ef9ruDyGmxKpFKEjGv82b6vhroXLCXvTHxD99w28nyfC P+6GuIfKoFwBdUVkgouDRBdsslLMamxnlDY9kfd4AfsBXAIfOslr6mR9P7cM1StCkHu1yy2 mNjjVNYs5W/PzxoxDzhY7XXs2wX4Fta+LeTIzVm5chlICpGu+kJQUbWwBFTR1bS6o9m2M/o TNlced8V5pENFlIgsYYbsIAdFuh0H9oWSrNAdQlqVONDuaxiPwpWQ2EOKcF6ythPU/c6f3s UeeDkcMSohFKkzojqC083MMOsj0t888svYdbbhLdOGr7ASBvKwwPmG27PHbFRAJGmDMiAna m2CO5v3rgnrpcYmB5jADg//n4pr9sNq6dLHufMMY0ghoGkjx5yPq3SyMAaOLS7eoWGwl82I ZGp2MEtf9HvLkzbvVRCe2NPM7TUpN2YE4586JVssGTSxZmbWkmlzqv7LkAuAJIBzIb/v1iJ MCX5A4IikYD21ozZ4P5DplIk/4Q7bIP894bN6flYKxothcoG9s6DZKBdw+NZ2uVTlwmNjVs xlMfDGhQwZlY2sHlgR7SSxvFL3Lu+QNPWpU5Yjey5ZY4Z0j7burS6IoCMHqOfEEHcrwD7Ni IAzTPEZRrEmz55IeRZgo38sS6eGhSNXeHBy37OQ5DivQ8DXx/RIn0ik/cPweAZQztLYF3k6 HNBuKi8XgP1ZoHXq1ytAiC3fFHTyx2oBiOazyzElWPkokwa+/1L8WR/rbJ/d3ozUXE07nW5 +b5CSnBtavQdgnXySmJevYAPcfitKLlQN/M1MJ2GFLeFvr0RUtoCGyQXRguNOG0lwPKkwwD Y+VwFcxBw5u6KghoKpRM1nM/7TGU8YKtdGOMUbnnXb2/sHxA6GySGpvlzCByY6cqOtqI= X-QQ-XMRINFO: MPJ6Tf5t3I/ycC2BItcBVIA= 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 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 700858ff6f7c..36fab70283de 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c @@ -1595,12 +1595,15 @@ static int rk_gmac_clk_init(struct plat_stmmacenet_= data *plat) clk_set_rate(bsp_priv->clk_mac, 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