linux-kernel - Re: [PATCH 12/17] dt-bindings: pwm: samsung: add specific compatibles for existing SoC

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Message-ID: <169964901433.399188.3619478168082919994.robh@kernel.org>
Date:   Fri, 10 Nov 2023 14:43:34 -0600
From:   Rob Herring <robh@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-pwm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-mmc@...r.kernel.org,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-arm-kernel@...ts.infradead.org,
        Liam Girdwood <lgirdwood@...il.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-gpio@...r.kernel.org,
        Jonathan Cameron <jic23@...nel.org>,
        linux-kernel@...r.kernel.org, Andi Shyti <andi.shyti@...nel.org>,
        linux-sound@...r.kernel.org, linux-iio@...r.kernel.org,
        Sam Protsenko <semen.protsenko@...aro.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        linux-serial@...r.kernel.org, Daniel Vetter <daniel@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        linux-i2c@...r.kernel.org, Thomas Zimmermann <tzimmermann@...e.de>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Maxime Ripard <mripard@...nel.org>,
        alsa-devel@...a-project.org, linux-rtc@...r.kernel.org,
        Mark Brown <broonie@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-samsung-soc@...r.kernel.org,
        Lars-Peter Clausen <lars@...afoo.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        devicetree@...r.kernel.org,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        David Airlie <airlied@...il.com>, Lee Jones <lee@...nel.org>
Subject: Re: [PATCH 12/17] dt-bindings: pwm: samsung: add specific
 compatibles for existing SoC


On Wed, 08 Nov 2023 11:43:38 +0100, Krzysztof Kozlowski wrote:
> Samsung Exynos SoC reuses several devices from older designs, thus
> 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 compatibles specific to each SoC in front of all old-SoC-like
> compatibles.
> 
> 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 | 2 ++
>  1 file changed, 2 insertions(+)
> 

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