linux-kernel - Re: [PATCH v4 0/5] exynos-acpm: add DVFS protocol and clock driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CADrjBPo8L=P2bHKTFvYOj7i0u6pA7vs32d3y+4Ho+82Z1mRE_Q@mail.gmail.com>
Date: Fri, 12 Sep 2025 15:58:32 +0100
From: Peter Griffin <peter.griffin@...aro.org>
To: Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, André Draszik <andre.draszik@...aro.org>, 
	Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Krzysztof Kozlowski <krzk@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
	Sylwester Nawrocki <s.nawrocki@...sung.com>, Chanwoo Choi <cw00.choi@...sung.com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, linux-kernel@...r.kernel.org, 
	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org, 
	willmcvicker@...gle.com, kernel-team@...roid.com
Subject: Re: [PATCH v4 0/5] exynos-acpm: add DVFS protocol and clock driver

On Mon, 8 Sept 2025 at 14:13, Tudor Ambarus <tudor.ambarus@...aro.org> wrote:
>
> Dependencies description:
> All patches should go through the Samsung SoC tree.
> The acpm-clk driver (#4) depends on the ACPM DVFS ops (#2).
> If the clock subsystem needs to merge the new clock driver, it will
> need an immutable tag with the 2 patches.
> No dependecies for #1, #3, #5.
>
> 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.
>
> Thanks,
> ta
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
> ---

Reviewed-by: Peter Griffin <peter.griffin@...aro.org>
Tested-by: Peter Griffin <peter.griffin@...aro.org> # on gs101-oriole