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 8F9B8CCD183 for ; Thu, 9 Oct 2025 08:01:23 +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=Jn6qdmmZzbeZkCHTFy0w5HJ0t78UwXb78wNH8/0pEG8=; b=YjvbusTKUjTo6hDDzdo7u31WKz f8SXN4vHBkA4kksrvGy91+7pM9Ke0zswvYdosHZyCYE3s+vWz71B3dVLZGDdDeVTc07kzX52cqFb4 RHoDidadZ1wTWACIhnnqUG6PqpkgzgvJGiu8cPsg2v3tXj90mu1fSTpdpuyfk7AuaDUKk3qwIYmKt 9l5L1WhokTVhT44djF2Zf529tJWLxRF41k3GLcI81LSNJMyeqofBjqoXKqTmQ1EwydYjo6+x6Uv5P 3lxZ4U8ctemebFgulVKzbmR7gyHtvoI2axAdgq8jymE6qbu0Boc689tzNi+UWjUUgKYI4v1eEz4ED 9pBINd0g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6laN-00000005QqF-0Ls6; Thu, 09 Oct 2025 08:01:15 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v6laJ-00000005QnP-0T2T; Thu, 09 Oct 2025 08:01:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1759996867; bh=DqlFY+zfg6KeRhIUsiMUfsKdx6WZau+HnPPKOGqJT/c=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HraFy0Jq12QWJzCAJx0MZgvEv+7d0nrcabfSHjL/SqWVQ7Epcrobd0lWV6FM2IQmR Huivx/Eu6nvWBbFkTSVrdBEdCznxgZc5ySyA8bwxQnZpm0ZvuAEljijPVma2jEHg/B 7v+myiidksIx+pA1rXWr2KX/EvyiObJQxQLtzAKYcw9k5sDuL9Odu8q19GBjavKefC kHXbKVM9rlSgBD2/8oO9VKPBjni7r9phgpNVc/JVaY2ew+dIVL4cvpjFYHwlboWY1K 337eRRqWiJlrzRbI0KqhipLMlDzgAUfzt6yZhBE8PB453ST4A55RiSbhPfZAKIwujC yXxWwIvI1tJ5Q== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 49AD217E0CF8; Thu, 9 Oct 2025 10:01:07 +0200 (CEST) Message-ID: <602158eb-472c-4443-9dda-aadf2a6c9f6d@collabora.com> Date: Thu, 9 Oct 2025 10:01:06 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] clk: Respect CLK_OPS_PARENT_ENABLE during recalc To: Nicolas Frattaroli , Michael Turquette , Stephen Boyd , Dong Aisheng , Matthias Brugger , Yassine Oudjana , Laura Nao , =?UTF-8?B?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Chia-I Wu , Chen-Yu Tsai Cc: kernel@collabora.com, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Stephen Boyd References: <20251008-mtk-pll-rpm-v2-0-170ed0698560@collabora.com> <20251008-mtk-pll-rpm-v2-1-170ed0698560@collabora.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20251008-mtk-pll-rpm-v2-1-170ed0698560@collabora.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251009_010111_338710_85FE44A3 X-CRM114-Status: UNSURE ( 7.27 ) 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 Il 08/10/25 18:05, Nicolas Frattaroli ha scritto: > When CLK_OPS_PARENT_ENABLE was introduced, it guarded various clock > operations, such as setting the rate or switching parents. However, > another operation that can and often does touch actual hardware state is > recalc_rate, which may also be affected by such a dependency. > > Add parent enables/disables where the recalc_rate op is called directly. > > Fixes: fc8726a2c021 ("clk: core: support clocks which requires parents enable (part 2)") > Fixes: a4b3518d146f ("clk: core: support clocks which requires parents enable (part 1)") > Signed-off-by: Nicolas Frattaroli Reviewed-by: AngeloGioacchino Del Regno