From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f41.google.com (mail-wr1-f41.google.com [209.85.221.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35F8D2848BA for ; Thu, 2 Apr 2026 02:19:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775096383; cv=none; b=nUYnVwe/uykiNbKH656BgGRr4R2ad0XAwrDjUXEF7mE82Gob9YyWl05RjoSx2zT8wGHG5LpNd89Bm8yg8pser7EBYwh3Opi0FwgsJK33u8bWZWDm2PsfaoY89ESpxWSMT41GMPVc7zkp8ot47+lboyxMGHGPgBOsQ6di/QQ61KQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775096383; c=relaxed/simple; bh=HYGP2hISTZIOwm7KcS+DDptEEs44HrRNLaMy7aCvf7A=; h=Mime-Version:Content-Type:Date:Message-Id:Cc:Subject:From:To: References:In-Reply-To; b=VQSafLLBiskhSgy6tUhpRM6v+lZ/Eo/x61CN0gkGYM4bzmSan/hyBvuHuulSzd0FCFbMbamqTfkZ3G5hvL47HohLY6KAzHKy745riRdtxf5b/kapna8yM4KB4aRJdpUkUmaUfjRudf+Iv82YpOSKi1ryisafxILUeIlZaG3wJvU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=GAPMwA4f; arc=none smtp.client-ip=209.85.221.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="GAPMwA4f" Received: by mail-wr1-f41.google.com with SMTP id ffacd0b85a97d-43b87970468so305294f8f.3 for ; Wed, 01 Apr 2026 19:19:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1775096380; x=1775701180; darn=vger.kernel.org; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=HYGP2hISTZIOwm7KcS+DDptEEs44HrRNLaMy7aCvf7A=; b=GAPMwA4fGw5vhwXgL138EKOPqA9xLfPo3PLJuDSG1bMAgMWCsVP31Ky3rH6wM1UbaB bSlcPv3PQYr5bVLaeeA1vjLH1R7oIjnzIkBaXmzwnmSj1uXSpj3jcd7J2jdpKgpbnVmW TPi+6nF3Azh1UhCIBx2oOCLHZQke83U1+kNRa4pDgvPKHZlaMyTScpq9N0sLtpZ1NwW8 3LpM8cGzxH0sK7dcfdbv/N1s1usnkPnAJR4fCppGYQJC8kz7SFUH+Nkkme5ciWpT7ICZ 2T944cIwhqVlkmOAbBFEhlNgu1X9X6NdZ+ywfPNOcj1LAJ5OuwrwW7VSxeY9PnspOj/x luYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775096380; x=1775701180; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:x-gm-gg:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=HYGP2hISTZIOwm7KcS+DDptEEs44HrRNLaMy7aCvf7A=; b=TVpvCvFib7dR9jiHbDMKP16Otd13EX7HhbteKRgE123FIf/QoUrL+C7HhY1h2Q+s1t OjVx8P7R0EDiUkd6d5C032nqvT+IB4yOLPgKV1TZmJOs1uun6QMCbjdrro5FWCfgbaxv jc9Q1VUNihVD1rfeEBSwCyfVquvDI344uKhIqt/F33S0FYy8gmOuNlGQ2Yn5aqnWWm0G roL+cD7Z0tawPJ/J1X79ccOSjbwiSL6O6KG77crrCItPMogwMbpz1oSuHi5KiDQnsIOX A765mvF0M9Hq+zCKK+3ak5ynkO6/5ZQWg3AAjgrzl0AtPLLbH3QKUK6/FfhNI5rqTv/y bu0A== X-Forwarded-Encrypted: i=1; AJvYcCUWEokTysiXe1po2hr1KDtE28PDvT6TM/g9lA1TKNJAJMX3toVrhtAtY6/HVf3l/BfYeFl6eOgQK0w=@vger.kernel.org X-Gm-Message-State: AOJu0YwdCPYuBDijgV5AtSIkfgu1Q4ImXT3r1lABLjblC8LVwNSLMSlk wEu5XPKManVKOVLdbZGibBD5x2i1ed5EoQoYSZ+3u6eEEddr6EZgQwFnK4N4akIq9IA= X-Gm-Gg: ATEYQzw8cjBuYjr+5W+Ujan5ylNxsykgYw8I5sR1N+gXOoF3f16RawVRpRcUbBTR8LB wxCd15tQKrLqtpbOHOy1gORMWKqU+PfIFhbYxG2iH6RV0Q2v5cpzvDTFpLmzAFpoCrwvauuKczW nHxMX78TLBC82QeenYc+2gCyLCvG+P0t2C3oOzIpkTT5pbUOoMd1HLCOJMhEChdAUsow0CdVYDc Qx00/mqv4RLZOLEthLSeKyR3hk4HNv27X0DAxK+OfXEIGJVDo2j39Ct1UqesesYkK9QyEu/lyNg LbZTyGe8ShvFNiXXdntBDZlvRwrraF4h6Mu1GU9QSI8cS0I5qK55Plc4QOds8F7H/0p/87DkvhK 0QP6qMYpkRpEDN0LR77M1iadfew1U1wsCfBDJqgq/ht9WSb8kJ4pxEGzgrOnCoXmTrcipGXYdMi Z4LenE3kbobXuAS7c4mqFST4/6gXzfpGUr510OBaZxETY3aALjU10+loVZYfVKv3SzxXXiS2Lw0 eapSSCO4tI2Vg== X-Received: by 2002:a05:6000:2303:b0:439:beb9:5a96 with SMTP id ffacd0b85a97d-43d150e8ba7mr11084985f8f.31.1775096380493; Wed, 01 Apr 2026 19:19:40 -0700 (PDT) Received: from localhost ([94.4.195.193]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d1e2c3a01sm3815604f8f.12.2026.04.01.19.19.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Apr 2026 19:19:39 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 02 Apr 2026 03:19:37 +0100 Message-Id: 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" , , , , , Subject: Re: [PATCH 0/5] Exynos850 APM-to-AP mailbox support From: "Alexey Klimov" To: "Krzysztof Kozlowski" , "Alexey Klimov" X-Mailer: aerc 0.21.0 References: <20260320-exynos850-ap2apm-mailbox-v1-0-983eb3f296fc@linaro.org> <20260321-beautiful-garnet-magpie-de4fbd@quoll> In-Reply-To: <20260321-beautiful-garnet-magpie-de4fbd@quoll> On Sat Mar 21, 2026 at 10:44 AM GMT, Krzysztof Kozlowski wrote: > On Fri, Mar 20, 2026 at 09:15:12PM +0000, Alexey Klimov wrote: >> Hi all, >>=20 >> This patch series introduces support for the APM-to-AP mailbox on the=20 >> Exynos850 SoC. This mailbox is required for communicating with the APM= =20 >> co-processor using ACPM. >>=20 >> The Exynos850 mailbox operates similarly to the existing gs101=20 >> implementation, but the register offsets and IRQ mask bits differ.=20 >> This series abstracts these differences into platform-specific data=20 >> structures matched via the device tree. >>=20 >> Also, it requires APM-to-AP mailbox clock in CMU_APM block. >>=20 >> 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? Do you suggest to send 3 single patches with proper dependencies description? DT bindings change first, then mailbox change that specificall= y depends on dt-bindings change and then dts update (which will depend on bot= h)? I thought that mbox driver change depends implicitly on bindings update? Best regards, Alexey