From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 DF077165F16; Sat, 3 Oct 2026 14:08:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791036507; cv=none; b=d+I19Rno3EgUCJ1pzkTKox+kPE1vE48KuJ0iLgjUSwutIAalg0gIzOdZK9Ka19mMSrgIC6QT83II64TpHfevDsoVrBj8102+I5Ociv9wfZ6SJKeKvI468d/3LytEoBnGRd6EYtpKZ21tyrUOfMqxDirz7PSMJ45k+C5CtGpQBW0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791036507; c=relaxed/simple; bh=7IBip3Z+k5hm/wVxa5MvyDsNya8HJaF91+ccsFt0U9Y=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=LkPm3ayW1m/oF+rcnnl9jR+nhPsmnHU7us9+M6a69jemzVmk6HEReO5Vjpu7PDN1nl6kU5z3Pjn78iPX83GC5L6lJXmBpdjD4+cqeTmZwPFop2yiFIs22PwuLMgoHuir5p5NVTJHydjsyysWWCRhR1pDmAvx8u2g4OVB5ptw74I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j8R0rA/V; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j8R0rA/V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 988941F0089C; Sat, 3 Oct 2026 14:08:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791036505; bh=ysfM9IAbHWXYt4DlCn+irb3OrGl+LHIXpQvLcw7iq/M=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=j8R0rA/V1KdoUl7fhsroHNX9hGuo0FltVTnR71niL/GXSaIISF4HVUj7XrsiuJHMW 43fYF8xzJg6dZH7n/vErBNQM2n3qU3B5B+LdcFiZNpuFN0c5StGRi+KLeQefIth5oM mV8JgOIoXeedj1q0+UgViyyyXzVEeyQ5G0HsuekWRUalgLxoihCLZlzVzmvTS9A6Q8 Y4DlN8to7ffMLCHoWBgCBUEJcBDl5jC5uQXSwPhCQxpB3Fk8BtkQT6MvG5fITvwHu0 5PGadK4ktZLTSrgCQ9kHTu8E8LhksoTxdGDwSx/qMEmL5lIP5iGDCpviAiv4LOQ96H yw79WZutfVPsA== Message-ID: Date: Sat, 3 Oct 2026 16:08:19 +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 v3 0/2] Initial Exynos850 ACPM support for exynos-acpm To: Alexey Klimov , Sam Protsenko , Tudor Ambarus , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Peter Griffin Cc: Sylwester Nawrocki , Chanwoo Choi , Stephen Boyd , Brian Masney , Jerome Brunet , linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org References: <20260929-exynos850-acpm-firmware-support-v3-0-473a69fc8a3d@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGPBBMBCgA5AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJp2mE8AAoJEBuTQ307QWKbeaIP /ihHTkTW4KsN/DQ945JJbyu5tI0J80Wue7QyyLPglyKfhgb5cLLNPpOC8cCIJsc7+W3i2P38 s2c1cOH6CYGE7E9ur3Vfme8NW2S2I/Z8VC7bZnzyS23wT17LrsdS/qCpx4o8U+pt/xdXDKph EGRYrIEmMpUWvyYzyYKGIe25FtaayIIKpq8eZYyFcp2f/sG5IkOW5uZzHPMPdcm87jU7fyuQ rAU2vx9r+ulUfQ/q9Z2roC/ode3l7t2pN7BCBCsUDp6JCrUyZrtT1e7EbA0ZRP3aOBNk2P2E DQOgJGjGdO5Yx2Y9LFtltu6JbsBJHi1syGRX3AtQYOMc4Y1WGoeZJmMlvKj2ZqqXNkcWi2DS IQEWB0uW6CqFsBBIMGDa+6OzdaVO/uAVXWDWml02Men3CILdI1MbVjoh8ECqYUY7OQ+JJvNN vnliuq5WM3Ghd3jg/LZZrxXjdIginRHFQCjIJYLKpLZWm1/iDFedcfzqRNYmTtqscdCNHW41 oT3Z7BmO9xwdjuwBS6nmS6JJwkbf5Ot2QR4pB/DRU7ZwjT1qHe+9r9gF32wXVQatHNGK/VVu sfwOnkdxCWkp/qb2gdQRmZh+SedStWshigH6sNfuHBloF/q+hjMRc8b2m326OZdrbSHwY1Sz vti8Hn7n8NjdHO9LKB7BIdjkA9DA5WsqOuVCzsFNBFVDXDQBEADNkrQYSREUL4D3Gws46JEo Z9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLueMNsWLJBv BaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6eiOMheesVS 5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wAGldWsRxb f3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA6z6lBZn0 WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9YegxWKvX XHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt91pFzBSO IpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gUBLHFTg2h YnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/JoFzZ4B0 p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu4vXVFBYI GmpyNPYzRm0QPwARAQABwsF2BBgBCgAgAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtBYpsFAmna YUkACgkQG5NDfTtBYptX+BAApg32CkxwNucNEi8WfWA8oKkW0y8YDuY6ORMo9FWNGiT/OTy0 vyJrLocrpn86zwfjVp+eCrssPYh8eqJfnWqmYv6ACQtHPYzPZQ3mSo8H97Z01oUxITzCxpXm ZkLgPIqtDPcC2E3dPM/fVxcyowM8XsaMA9wcsaUYrta8toOq2b9tKcjleKMfMrm0gQ9u7wUc QbLkwj6TCLOwucb07GXzLTNF9PZmaDUpKAZjMjmrW+le+SFvQbhamx0rxLWPR0NWntXpbCn+ +ACch03p/JyTBVktxFsFyCt7pTPE1kEaeuXBTe/a2D9iQvRxRW19LvuO2e59/u1wYUiH/orz wbIC2S4dBsPAPihL3ztOU1yE86GPyQtSE0kU+/7snnLt4QGi6PChf3t5gnNjAzjUUovO8rgI c+5yN5heq5loYHgK6OQ9OlHzsPHO9e9MOQcKlFycs1pyijFGzDwdNUm/SchK8iWT2QApTx4A K9bCVaboTA2T77QYkRcRJYSsO1alGX0ome/hMLD1daXlkrNUp1HWa3K4iytLRXjCSIorWiGs n+q3krnpXu3TFkA8qtOFZMdnIiFuiq1yLT8hptsV5xh1TA2nsVvSYiaCr3q4s4BKjS/KrLDb qoxzw8ISjdUp4pA85vb6YLCmb39NgidD+7PmAr65lBNveIFynTgsja1rRQ4= In-Reply-To: <20260929-exynos850-acpm-firmware-support-v3-0-473a69fc8a3d@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/09/2026 04:11, Alexey Klimov wrote: > This series adds support for the Exynos850 SoC to the Samsung ACPM > firmware IPC driver. > > The Exynos850 contains an APM co-processor that handles IPC messages for > clocks, power, thermal management, and PMIC control. While it uses the > same underlying ACPM communication machinery and protocols set as > the GS101, the exact implementation details vary between the two SoCs. > > Those protocol-specific differences will be managed individually by the > corresponding protocol drivers. However, a dedicated compatible string > is still required for the core IPC driver because the Exynos850 firmware > utilizes a different initialisation data base offset. > > First patch updates the google,gs101-acpm-ipc dt-bindings to include the > new "samsung,exynos850-acpm-ipc" compatible string and adds clocks > descriptions for clocks that can be controlled via ACPM or by Linux > directly. > > Second patch adds the corresponding match data, base offset, and clock > device name to the exynos-acpm firmware driver. > > There is a dependency for driver changes on clk-acpm exynos850 series > which seems to be accepted/merged: > https://lore.kernel.org/linux-samsung-soc/20260915-exynos850-acpm-clk-v2-0-ffad4a6b3fb1@linaro.org/ I don't understand this dependency. Why does a firmware driver depend on clock one? You do understand that mentioning fake dependencies only stalls the patchset? I would have applied it now, but because of this question, it will wait and due to conferences might miss this merge window. Best regards, Krzysztof