linux-kernel - Re: [PATCH v2 1/4] regulator: rpmh-regulator: Fix PMIC5 BOB bypass mode handling

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Message-ID: <xlki5jwurnixdxaph5mtxg7sfks2cww3xbswgtf6dbn2z72o2r@smx5hxo6obxj>
Date: Wed, 22 Oct 2025 18:11:46 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: Kamal Wadhwa <kamal.wadhwa@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] regulator: rpmh-regulator: Fix PMIC5 BOB bypass
 mode handling

On Wed, Oct 22, 2025 at 04:58:15PM +0200, Konrad Dybcio wrote:
> On 10/22/25 12:23 AM, Dmitry Baryshkov wrote:
> > On Wed, Oct 22, 2025 at 02:38:53AM +0530, Kamal Wadhwa wrote:
> >> Currently, when `rpmh_regulator_set_mode_bypass()` helper function
> >> is called to set bypass mode, it sends PMIC4's BOB bypass mode
> >> value for even if its a PMIC5 BOB.
> > 
> > The universe will end, the Sun will explode and Ragnarök will be upon
> > us. Please describe the issue, why sending bypass value is bad.
> 
> I think you misread, it sends the magic value which corresponds
> to BYPASS, but one that worked for the previous generation

I just wanted to point out that the commit message makes a statement
that it sends some value. It should document, why the sent value is bad.

-- 
With best wishes
Dmitry