Re: [PATCH 2/2] dt-bindings: pinctrl: Move k3.h to arch

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On 16:46-20230311, Krzysztof Kozlowski wrote:
> On 11/03/2023 14:13, Nishanth Menon wrote:
> > Move the k3 pinctrl definition to arch dts folder.
> > 
> > While at this, fixup MAINTAINERS and header guard macro to better
> > reflect the changes.
> > 
> > Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> > Suggested-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
> > Link: https://lore.kernel.org/all/c4d53e9c-dac0-8ccc-dc86-faada324beba@xxxxxxxxxx/
> > Signed-off-by: Nishanth Menon <nm@xxxxxx>
> > ---
> > 
> > There is no specific case I can think of at the moment to create a
> > pinctrl.dtsi for the SoCs.. So, unlike other SoCs, I had not done that
> > in the series, if folks have a better opinion about this, please let us
> > discuss.
> > 
> >  MAINTAINERS                                                 | 1 -
> >  arch/arm64/boot/dts/ti/k3-am62.dtsi                         | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-am62a.dtsi                        | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-am64.dtsi                         | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-am65.dtsi                         | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-j7200.dtsi                        | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-j721e.dtsi                        | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-j721s2.dtsi                       | 3 ++-
> >  arch/arm64/boot/dts/ti/k3-j784s4.dtsi                       | 3 ++-
> >  .../pinctrl/k3.h => arch/arm64/boot/dts/ti/k3-pinctrl.h     | 6 +++---
> 
> Bindings are separate from other changes (also DTS). Split the patches.
> 
> (...)
> 
> >  / {
> >  	model = "Texas Instruments K3 J784S4 SoC";
> >  	compatible = "ti,j784s4";
> > diff --git a/include/dt-bindings/pinctrl/k3.h b/arch/arm64/boot/dts/ti/k3-pinctrl.h
> > similarity index 94%
> > rename from include/dt-bindings/pinctrl/k3.h
> > rename to arch/arm64/boot/dts/ti/k3-pinctrl.h
> > index 469bd29651db..6004e0967ec5 100644
> > --- a/include/dt-bindings/pinctrl/k3.h
> > +++ b/arch/arm64/boot/dts/ti/k3-pinctrl.h
> 
> Dropping this file is going to break existing code and I would say is
> also a break of the ABI. You need to keep the header for at least one
> cycle, you can add there a warning for coming deprecation.
> 
> See for example:
> https://lore.kernel.org/all/20220605160508.134075-5-krzysztof.kozlowski@xxxxxxxxxx/


Makes complete sense. Thanks. will follow the lead and redo the series.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D



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