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 87167109446A for ; Sat, 21 Mar 2026 10:44:47 +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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=PMEhE4msWOZDGJxPEu1NaUZ7Ue34rvZMRBkQB/P2B6I=; b=vAm8+sAPLoem3eM2W0Pua/Gf+9 Yz3ScrNUV1A/T1J9T0ynqpaeKuzMAktiHzh2vElfBTjh8idJpIHC870994X93GQWTBulEtr9+Y7Pl y/3T+LNidb0VbCRe4VJe2o9HBiEgDd3ndOSMcAZfuR/jG4lehPbehlgvz6VVkPFA41fNAdCD9PDBg /5LPcV+K2X+lc1XwjXWfCwIS46Luhm74dEf5dZXLPUjmaitiUTfCAcXPrJXup8QbrNSYjeyP96GVl mBHsUSWBWPFN9SNPabOh7KMcFDLMAJyF5npfRyPNwMWDb0irsENiyhbSBzfu9hBeotWmiXwlYBtL2 R5SVF81Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3tou-0000000EMqg-1eVf; Sat, 21 Mar 2026 10:44:40 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w3tor-0000000EMqI-3qNF for linux-arm-kernel@lists.infradead.org; Sat, 21 Mar 2026 10:44:39 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id F3CAC44312; Sat, 21 Mar 2026 10:44:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 36A95C19421; Sat, 21 Mar 2026 10:44:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774089875; bh=M9as8yUXW+U1s7wVMlwZOyhJYgE1gI5CZxx7KjO7IyU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=VuOGAJB0xPJFqXaIPyKKG9O/8ynVmBv7ltnq4TzkPKBcI4DLDvwaNuTPol5567gOP WTdz3/Vzc1fPesS5H4alScfSe5kUO4u6OWdjuU62ojG/zg7Ih66XgflCGmt3WnZA04 GbQMagq/rOuFWW5GIm/+9In6szVSU3uIPBRtojsbFFJ2kHklo3nLsoNQ60kQcsedhs mUAo1yla7VKCb3zgU6257Nn8EQvtVYeDhqZP9XGjC4seW4OLfrN6LfKftNN/y7du84 HsgEBWlEugI6rxeaZbgw/6lwmBa2Lm/AVTO8lkfPrUNHyEKEwMNxzx5iTXjiccTIn3 apXUp/j8sCqiQ== Date: Sat, 21 Mar 2026 11:44:33 +0100 From: Krzysztof Kozlowski To: Alexey Klimov Cc: Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Sam Protsenko , Michael Turquette , Stephen Boyd , Rob Herring , Conor Dooley , Tudor Ambarus , Jassi Brar , Krzysztof Kozlowski , Peter Griffin , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/5] Exynos850 APM-to-AP mailbox support Message-ID: <20260321-beautiful-garnet-magpie-de4fbd@quoll> References: <20260320-exynos850-ap2apm-mailbox-v1-0-983eb3f296fc@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260320-exynos850-ap2apm-mailbox-v1-0-983eb3f296fc@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260321_034437_976561_62E2D6CA X-CRM114-Status: GOOD ( 14.39 ) 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 On Fri, Mar 20, 2026 at 09:15:12PM +0000, Alexey Klimov wrote: > Hi all, > > This patch series introduces support for the APM-to-AP mailbox on the > Exynos850 SoC. This mailbox is required for communicating with the APM > co-processor using ACPM. > > The Exynos850 mailbox operates similarly to the existing gs101 > implementation, but the register offsets and IRQ mask bits differ. > This series abstracts these differences into platform-specific data > structures matched via the device tree. > > Also, it requires APM-to-AP mailbox clock in CMU_APM block. > > In theory this can be split into two series with correct dependecies: > device tree node requires clock changes to be merged. The suggestion > is to let this go through Samsung SoC tree with corresponding acks > if it is okay. I don't understand why this cannot be split into two seris *practically*. What is exactly the dependency between mailbox and DTS, that it had to be combined here? Best regards, Krzysztof