linux-kernel - Re: [PATCH v4 2/2] dt-bindings: pinctrl: samsung: deprecate header with register constants

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Date:   Thu, 25 Aug 2022 14:11:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Tomasz Figa <tomasz.figa@...il.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-gpio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chanho Park <chanho61.park@...sung.com>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v4 2/2] dt-bindings: pinctrl: samsung: deprecate header
 with register constants

On Tue, Aug 16, 2022 at 3:30 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) and to Samsung pinctrl driver (where
> applicable), 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>
> Reviewed-by: Chanho Park <chanho61.park@...sung.com>
> Acked-by: Rob Herring <robh@...nel.org>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

I assume this will be queued to one or another of the Samsung trees,
and I will get it by pull request. Just tell me if something else needs to
happen!

Yours,
Linus Walleij