linux-kernel - Re: [PATCH v3 1/4] arm64: dts: qcom: sc8280xp-crd: model the PMU of the on-board wcn6855

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Message-ID: <CAA8EJppi5Zy82=ZUZ67DW-40Qm7aMerNLu_Mzh3HiUBWqPiHVw@mail.gmail.com>
Date: Fri, 6 Sep 2024 12:37:16 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Kalle Valo <kvalo@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	Dmitry Baryshkov <dbaryshkov@...il.com>, Johan Hovold <johan@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, ath11k@...ts.infradead.org
Subject: Re: [PATCH v3 1/4] arm64: dts: qcom: sc8280xp-crd: model the PMU of
 the on-board wcn6855

On Fri, 6 Sept 2024 at 10:45, Bartosz Golaszewski <brgl@...ev.pl> wrote:
>
> On Thu, Sep 5, 2024 at 9:26 PM Dmitry Baryshkov
> <dmitry.baryshkov@...aro.org> wrote:
> >
> > On Thu, Sep 05, 2024 at 09:41:44PM GMT, Kalle Valo wrote:
> > > Konrad Dybcio <konradybcio@...nel.org> writes:
> > >
> > > > On 5.09.2024 3:00 PM, Bartosz Golaszewski wrote:
> > > >> On Thu, Sep 5, 2024 at 2:56 PM Dmitry Baryshkov <dbaryshkov@...il.com> wrote:
> > > >>>
> > > >>>>>
> > > >>>>> As you are going to post another revision, please also add
> > > >>>>>
> > > >>>>> qcom,ath11k-calibration-variant
> > > >>>>>
> > > >>>>
> > > >>>> I had it in earlier revisions. The only one we could add here would be
> > > >>>> the one from X13s as QCom has not yet released the data for the CRD.
> > > >>>> Johan and Konrad were against adding this here if it doesn't refer to
> > > >>>> the correct one so I dropped it.
> > > >>>
> > > >>> As Kalle usually merges data with some delay it's not infrequent to
> > > >>> have DTS which names calibration variant, but board-2.bin doesn't have
> > > >>> corresponding data. The driver safely falls back to the data without
> > > >>> variant if it can find it. Als  usually it's us who supply the
> > > >>> calibration name.
> > > >>>
> > > >>
> > > >> Johan, Konrad,
> > > >>
> > > >> What do you think? Do we know the exact name and should I add it or
> > > >> should we wait until it's in board-2.bin?
> > > >
> > > > If we can agree on the string identifier with Kalle in advance, we can
> > > > add it even before the boardfile drops
> > >
> > > There have not been really any naming rules for the variant string, it
> > > just needs to be unique so that it doesn't conflict with other variant
> > > strings. What have you been thinking?
> >
> > QC_8380_CRD (following DMI / Windows name) or QC_X1E80100_CRD (following
> > marketing name). Or maybe QTI_ instead of QC_. WDYT?
> >
>
> Is there any central authority listing these names? Or are they just
> agreed upon on the mailing list? I honestly don't know where they come
> from.

I think on ath12k these names come from ACPI tables. On all previous
devices it is just being agreed upon. Kalle is the central authority.


-- 
With best wishes
Dmitry