From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 5D09F3D170C; Sat, 5 Sep 2026 11:21:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788607308; cv=none; b=uFNlvcThGzeI/wBV1MpGK2mx/Itc7vdQLnbclkvn5uwFMMayKqqLyrVoNy8dSrqPf3TEYf32+366PKVE4axyDz5EwpO6Ens9GJBEqNkhLqAXs0DB/yd4EAFRBQen25cBtZDe2d44D3LM0Uju4v8t9hd9VGCtw6HfokBRqwKkzU4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788607308; c=relaxed/simple; bh=ma6bS58FfCrfwdM8DYJ2sps8OuXCTGmCG8RQ3Wn0mOo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ErzJFHvaiTTyEKfEi0DgsrMwPvotBKIDvjcFz45fiwEbDKLo8UFl+FY9gKJnr7JUsqtqjN+c9zmsyO+iShGHu9G413dwQjYrIFbOXDLkpFjHOD0HJtd6QuwVYiz8WF5Z1COfX8eeML327WJdd91/y+XCIZbxs9Ut0OBtniiRYmg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=p3MATlEg; arc=none smtp.client-ip=185.246.85.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="p3MATlEg" 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 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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