linux-kernel - Re: [PATCH] clk: qcom: gdsc: treat optional supplies as optional

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

Date: Mon, 25 Mar 2024 16:10:33 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Mark Brown <broonie@...nel.org>
Cc: Johan Hovold <johan+linaro@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, linux-arm-msm@...r.kernel.org, 
	linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: qcom: gdsc: treat optional supplies as optional

On Mon, 25 Mar 2024 at 16:01, Mark Brown <broonie@...nel.org> wrote:
>
> On Mon, Mar 25, 2024 at 09:19:57AM +0100, Johan Hovold wrote:
> > Since commit deebc79b28d6 ("clk: qcom: gpucc-sc8280xp: Add external
> > supply for GX gdsc") the GDSC supply must be treated as optional to
> > avoid warnings like:
> >
> >       gpu_cc-sc8280xp 3d90000.clock-controller: supply vdd-gfx not found, using dummy regulator
> >
> > on SC8280XP.
>
> Can this device actually run with the supply physically disconnected?

On SC8280XP this is supplied via power-domain instead of the supply.

-- 
With best wishes
Dmitry