From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 253D0C624D3 for ; Sat, 5 Sep 2026 11:21:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=FhTjWhvBY3J0Dewu042nmXY6DyK5b1tOm9obfDRLZyk=; b=Vwb/2FRvkxTUWxqtaldsPa7O/5 GdfNRReRYF9tCadVn2Udp9tT4YkYylsnHri0bfF9NBrB9ciI6OrLNWW58QrpWwcNN2TsOm9qFVKV9 /WXmeZFLCipqm9fEZQBFiLb5pPV4qZkzLjEEPfWuqANu5Wgim1z8XUNQFn/T35u9wmwFRWFvZ7CmJ 8LFfa1ytTNaxuWwoT/R3k8me/TLr1oj9mBp4KJycPyLjQ3f0nFqXhj8gKunPt8Q8psJwuTQf+187q 59Okzf8poxuMyQytMqz+uRXIGAro7KdvWvyGUkEUNzU8sG6c+f03yOmQKClPTiT4EpT4SM5/PrB8/ WUEwHbsA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2oSz-000000040nt-1FIk; Sat, 05 Sep 2026 11:21:49 +0000 Received: from smtpout-03.galae.net ([185.246.85.4]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x2oSw-000000040nZ-16G5 for linux-arm-kernel@lists.infradead.org; Sat, 05 Sep 2026 11:21:48 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 867C84E41535; Sat, 5 Sep 2026 11:21:42 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 39BB960233; Sat, 5 Sep 2026 11:21:42 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 42EA711C783E9; Sat, 5 Sep 2026 13:21:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1788607296; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references; bh=FhTjWhvBY3J0Dewu042nmXY6DyK5b1tOm9obfDRLZyk=; b=p3MATlEg/66zDHa22f3ifAmjMncnfKTK4roVoSVT9HLjcgdhTou+zP1J08g7iQ3L4i3NHF /O1JGSToy6cOG9JGgS+Ohuhg3ZljinKmyCCUByLouMA275qUVx++CEThKYszMSpLLK05Tw xqxstb8mElV5xCn/6u0RV5Yy9efLrsJPeKQyqbLt6M62VemFqH5z6n9RiP3QPub/QfLn8F pTN0R0csEWQhLL/6ydW1daxfalqBrdJLJQ6XKqMFb+rzGa+qIx24RbMwJuFwbXRpGCA0LB Jxu8T0r6LifhGm/dnw23SQWHe+MceGjV2l1n5SuZdumY665EyC8r1sFec1ejmA== Message-ID: Date: Sat, 5 Sep 2026 13:21:27 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next 7/9] net: stmmac: qcom-ethqos: set initial RGMII link clock to lowest speed To: Mohd Ayaan Anwar , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Davis , Andrew Lunn , Heiner Kallweit , Russell King , Richard Cochran , Bjorn Andersson , Konrad Dybcio , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , Maxime Coquelin Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org References: <20260904-shikra_ethernet-v1-0-a50765996035@oss.qualcomm.com> <20260904-shikra_ethernet-v1-7-a50765996035@oss.qualcomm.com> Content-Language: en-US From: Maxime Chevallier In-Reply-To: <20260904-shikra_ethernet-v1-7-a50765996035@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260905_042146_448498_B59E120C X-CRM114-Status: UNSURE ( 5.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, On 9/3/26 20:43, Mohd Ayaan Anwar wrote: > On probe the RGMII link clock is initialised at SPEED_1000, which > translates to a 250 MHz source clock even when no PHY link is present, > drawing unnecessary power. > > Initialise at SPEED_10 instead; fix_mac_speed updates the rate once > a link is established. > > Signed-off-by: Mohd Ayaan Anwar Reviewed-by: Maxime Chevallier Maxime