Re: [PATCH 1/3] dt-bindings: nvmem: Add qcom,sc7180-qfprom compatible string

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On Fri, Oct 2, 2020 at 3:20 PM Doug Anderson <dianders@xxxxxxxxxxxx> wrote:
>
> Hi,
>
> On Tue, Sep 29, 2020 at 1:58 PM Evan Green <evgreen@xxxxxxxxxxxx> wrote:
> >
> > Add an SoC-specific compatible string so that data can be attached
> > to it in the driver.
> >
> > Signed-off-by: Evan Green <evgreen@xxxxxxxxxxxx>
> > ---
> >
> >  Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
> > index 59aca6d22ff9b..b16c8e6a8c23d 100644
> > --- a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
> > +++ b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
> > @@ -14,7 +14,9 @@ allOf:
> >
> >  properties:
> >    compatible:
> > -    const: qcom,qfprom
> > +    enum:
> > +      - qcom,qfprom
> > +      - qcom,sc7180-qfprom
>
> You don't want either/or.  You want both.  At the time Srinivas didn't
> see the point of having the SoC-specific compatible string here, but
> now that we have a reason for it maybe he'll be convinced?  IMO you
> essentially want:
>
>     items:
>       - enum:
>           - qcom,apq8064-qfprom
>           - qcom,apq8084-qfprom
>           - qcom,msm8974-qfprom
>           - qcom,msm8916-qfprom
>           - qcom,msm8996-qfprom
>           - qcom,msm8998-qfprom
>           - qcom,qcs404-qfprom
>           - qcom,sc7180-qfprom
>           - qcom,sdm845-qfprom
>       - const: qcom,qfprom
>
> For some context:
> <https://lore.kernel.org/r/CAD=FV=WjvAWVmq3fTh=_f2p1Dv+sXg1RV-CqZr8KRgHe8_wT0w@xxxxxxxxxxxxxx/>

That makes sense, thanks Doug.

Srini, do you want me to go fix up all the various device trees to add
the soc-compatible string, or just sc7180? (Also, don't forget about
my other question about whether you still want the keepout stuff in
the core at the cost of added complexity).

-Evan

>
> -Doug
>
>
> >
> >    reg:
> >      # If the QFPROM is read-only OS image then only the corrected region
> > --
> > 2.26.2
> >



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