linux-kernel - Re: [PATCH 2/6] dt-bindings: pwm: samsung: add specific compatible for Tesla FSD

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Message-ID: <170190017774.3416623.1160750978805123790.robh@kernel.org>
Date:   Wed, 6 Dec 2023 16:02:58 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jiri Slaby <jirislaby@...nel.org>, linux-fsd@...la.com,
        Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
        linux-watchdog@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-pwm@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andi Shyti <andi.shyti@...nel.org>
Subject: Re: [PATCH 2/6] dt-bindings: pwm: samsung: add specific compatible
 for Tesla FSD


On Tue, 05 Dec 2023 10:22:25 +0100, Krzysztof Kozlowski wrote:
> Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the
> others it reuses several devices from older designs.  Historically we
> kept the old (block's) compatible only.  This works fine and there is no
> bug here, however guidelines expressed in
> Documentation/devicetree/bindings/writing-bindings.rst state that:
> 1. Compatibles should be specific.
> 2. We should add new compatibles in case of bugs or features.
> 
> Add Tesla FSD compatible specific to be used with an existing fallback.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> I propose to take the patch through Samsung SoC (me). See cover letter
> for explanation.
> ---
>  Documentation/devicetree/bindings/pwm/pwm-samsung.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring <robh@...nel.org>