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 09349C61DB9 for ; Fri, 28 Aug 2026 01:21:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id: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=Tb939tWp/B8RRf8uAYELDHfMALIKW8FVjcVoPSj5JF8=; b=IFK9xU3YA1p9CI kaO6lgkIAa82V70fVY6apzjL0AbjP+9XXeIIa8Lf7G6CP3d3jl9gRX1aVjCS+U+G5jN33MGP7fnHX t2vVhsyWczW1tD4GOUrByXc9NYzAnaJtWlVvOnc2ftqxYqizD+7I99Mli4Gn1gue0nvzaqLmVySd9 bu4uNH2Wjn/nBN9PdTSEgqNv+rk4EB2ilKLmnE3fOR23tAVcmGjIk5Kx4NmRwfaH7o0HKeGbDE5DP 2pkFYg74Jr5jyZqZtzs7U4qgd9xGaq16BAaj2Aof0ZkQyfCqaOUvniGaI1/Ju+ZctSIMGoQ+FDZAC DZjsHBGjLz5EO3qFWkqw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzlHt-00000004zEM-1anF; Fri, 28 Aug 2026 01:21:45 +0000 Received: from mx.nabladev.com ([2a00:f820:417:0:178:251:229:89]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wzlHq-00000004zDt-2j0T; Fri, 28 Aug 2026 01:21:44 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 1D07811D0C5; Fri, 28 Aug 2026 03:21:32 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1787880096; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references; bh=cmYwe1UVmG+P6y8XZ0jgJInhQsv9JOJ7agmlWn6XZjI=; b=UO87sDGL3sBebpYqbD84s1YbNO4v7eideJxNY6dAzQ6IOvkH76bWtZG9ZkbU/+bUSwVzNt Jko19H/EExvQs6ppzLw0S0m0jmTbw4d1Cye00HzCjVIUJL36mQGcX7aZuKts88CMXbyn5s MpFmTPw2O9lWMM9KPFJHdcMR9GwDleVcEofgmGINwuD4uDVbUnrnnbp5ZYGGU+EF6zc8O2 1tFLtU1LP/xwfHIuDWc56Pe4jsYycG8BWnh5IMszwMWREgXFFKhWimYSytyHGNF73OUNWo rGRuxTcenwER1IUlcXJ4bsjZ1++zCCDNR9D5qvNZkn8Y+J7gOtV0IcZuxtZGrw== Message-ID: <202b1b0d-5ccd-4fcf-bc7b-bc013dd84774@nabladev.com> Date: Fri, 28 Aug 2026 03:03:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 7/9] dt-bindings: arm: stm32: Switch st,stm32mp23/25-syscfg into simple-mfd To: Krzysztof Kozlowski Cc: linux-usb@vger.kernel.org, fabrice.gasnier@foss.st.com, Alexandre Torgue , Christian Bruel , Conor Dooley , Greg Kroah-Hartman , Krzysztof Kozlowski , Maxime Coquelin , Neil Armstrong , Pankaj Dev , Rahul Kumar , Rob Herring , Rosen Penev , Thinh Nguyen , Vinod Koul , devicetree@vger.kernel.org, kernel@dh-electronics.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com References: <20260822074816.548662-1-marex@nabladev.com> <20260822074816.548662-8-marex@nabladev.com> <20260827-skilled-optimal-shellfish-c548e5@quoll> <9b197208-dbb4-44dd-b0c0-b4dcaa57c403@nabladev.com> <3264c2d2-4c53-44c0-8164-d2d83f75c175@kernel.org> Content-Language: en-US From: Marek Vasut In-Reply-To: <3264c2d2-4c53-44c0-8164-d2d83f75c175@kernel.org> X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260827_182142_951759_8557F643 X-CRM114-Status: UNSURE ( 8.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 8/27/26 11:35 PM, Krzysztof Kozlowski wrote: > On 27/08/2026 17:04, Marek Vasut wrote: >> On 8/27/26 3:07 PM, Krzysztof Kozlowski wrote: >>> >>> OTOH2, you have now patchset dependency which is nowwhere explained. >>> Merging constraints are the most important part of cover letter so must >>> be clearly stated. IMO, should be stated also here, because many >>> maintainers do not read cover letters. Or just decouple dependencies >>> with using 'compatibles' pattern (see Qualcomm msm/mdss display >>> bindings). >> I wonder, wouldn't it be better to write a driver which binds to >> st,stm32mp25-syscfg , handles the SYSCFG clock, and does some >> of_platform_populate() to bring up the PHYs (DT subnodes) ? >> >> I think that would resolve the ABI break problem, since we wouldn't need >> the simple-mfd compatible anymore. And it would also correctly handle >> the SYSCFG clock. >> >> What do you think ? > > Yes, it is better and more flexible approach. Solves ABI impact. All right, let's do that. -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy