From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 1F64021ABAA; Sun, 31 Aug 2025 10:42:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756636974; cv=none; b=KI1iYd6lMD5p3TeWTp1xfMndo4uPN1XWbl7QwYRts98hvIeTibqry2sqJLLECqe0YBhJ1NEa3MSA/Ba6OLJ0xEv7tnsJZQmKPl0npgtUnmbDezZR0iOj+ACXwTnVTPP0PPpFB5dnEelJ/+RwJ7G/HMX7hs42CG667vFFK29K/40= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756636974; c=relaxed/simple; bh=rk8osyH0jerAtAjsd9/Rx1VkjdNOptUOyMlEF0j+/CA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KrlO4cxCvMdrH0mcS8jsn8Uh/OroyqKi9MeJUZd9LByLXjOn+XYgSCM+fEADx3YsakRqRPY54fKQ75hISbyBGcD3RmRqMR7xCazBzCkzX6NrVE2o136SODZ3cl+I8vclrJR6SAJJBSgtqkstUEoZR6fiVJcAtn0tt+L2iXtQP00= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=YIDFJE5N; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YIDFJE5N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 05F76C4CEED; Sun, 31 Aug 2025 10:42:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756636973; bh=rk8osyH0jerAtAjsd9/Rx1VkjdNOptUOyMlEF0j+/CA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=YIDFJE5NzzaSS53dSAsC7IGGRDU7sRPr8o+IMvjzLzByU4nnYpFeD68X6N2ZBN8PO 5MFYZUTaj6fwJUXdzCl4/Uvjy1v4LQFCnwwLo/gGXvsf2zuUBUrcQ0sbfXfFQxGOLt nzjYsn37YcnjS3t7FRR04X5TKDIb31Mh1jirVkXXm1HnHFOyCBqXhSBjvnVDIf29Rt 4lMR1e2S6ENRSat//wvem8XGL7u++Vm9sWlk6qSpYivuBn3I2v6Rgpc8Lz/R9ZPbaP jVHxMZuNUy4+h7jvdV9+5bBXX7qvdRGR4REdnfQZFlx+jEVM4pJzr/RVJv0eBpXrSw vpDUzsUzywH1w== Message-ID: <28b5b033-76de-4fed-af6b-6d8342362c47@kernel.org> Date: Sun, 31 Aug 2025 12:42:46 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/5] exynos-acpm: add DVFS protocol and clock driver To: Tudor Ambarus , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , =?UTF-8?Q?Andr=C3=A9_Draszik?= , Michael Turquette , Stephen Boyd , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Catalin Marinas , Will Deacon Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, willmcvicker@google.com, kernel-team@android.com References: <20250827-acpm-clk-v2-0-de5c86b49b64@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 27/08/2025 14:42, Tudor Ambarus wrote: > The Alive CLock and Power Manager (ACPM) firmware exposes clocks that > are variable and index based. These clocks don't provide an entire range > of values between the limits but only discrete points within the range. > The firmware also manages the voltage scaling appropriately with the > clock scaling. Make the ACPM node a clock provider. > > Add support for the ACPM DVFS protocol. It translates clock frequency > requests to messages that can be interpreted by the ACPM firmware. > Add an ACPM clock driver to model the clocks exposed by the ACPM firmware. > > All patches can go through the samsung tree. You really should have explained the dependencies instead of me trying to decipher how to handle this patch. It's really not trivial. You do understand that clock is completely different subsystem (Stephen Boyd)? Best regards, Krzysztof