linux-kernel - Re: [PATCH 7/7] dt-bindings: pinctrl: deprecate header with register constants

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Date:   Sat, 4 Jun 2022 00:20:47 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Subject: Re: [PATCH 7/7] dt-bindings: pinctrl: deprecate header with register constants

On Thu, May 26, 2022 at 4:37 PM Krzysztof Kozlowski
<krzysztof.kozlowski@...aro.org> wrote:

> For convenience (less code duplication, some meaning added to raw
> number), the pin controller pin configuration register values
> were defined in the bindings header.  These are not some IDs or other
> abstraction layer but raw numbers used in the registers
>
> These constants do not fit the purpose of bindings.  They do not provide
> any abstraction, any hardware and driver independent ID.  With minor
> exceptions, the Linux drivers actually do not use the bindings header at
> all.
>
> All of the constants were moved already to headers local to DTS
> (residing in DTS directory), so remove any references to the bindings
> header and add a warning tha tit is deprecated.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

This looks like something that needs to be merged on top of the
other patches so if you wanna merge this through ARM SoC:
Reviewed-by: Linus Walleij <linus.wallej@...aro.org>

Else just tell me a merging strategy and I'll use it!

Yours,
Linus Walleij