Re: [PATCH] dt-bindings: firmware: document Qualcomm SM6375 SCM

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On Mon, Sep 26, 2022 at 09:59:04AM -0700, Guru Das Srinagesh wrote:
> On Sep 24 2022 10:17, Krzysztof Kozlowski wrote:
> > On 24/09/2022 02:09, Guru Das Srinagesh wrote:
> > > On Sep 21 2022 20:43, Konrad Dybcio wrote:
> > >> Does it? I did not define this compatible in the driver, so it does
> > >> not consume any clocks.
> > > 
> > > The bindings should describe only those compatibles that the driver supports -
> > > that is, both the driver and its bindings should be in sync.
> > 
> > That's not entirely true. Bindings describe the hardware in the most
> > complete way we can. Not the driver. Whether driver supports something
> > or not, is not relevant here, except that we don't want to document
> > non-existing things or stuff out of tree.
> 
> Is this only applicable to compatibles or device tree properties in general?
> 
> > > 
> > > Could you please update the driver with this compatible as well? Let's not
> > > merge this change without that first.
> > 
> > This could be even merged without change in the driver. However it's not
> > the case here as driver already supports it, so your request is fulfilled.
> 
> My concern is that if somebody specifies a compatible/device tree property that
> the driver doesn't support, their expectations from adding that change will not
> be met. In addition to having the bindings describe HW in full, I think the
> driver should also be in sync with it for this reason.

Which driver? From u-boot, *BSD, Linux, TF-A, ...?

Rob



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