linux-kernel - Re: [PATCH v2 6/6] arm64: dts: amlogic: migrate pwms to new meson8 v2 binding

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Message-ID: <eb95e27d-f408-4e25-bd53-37ff88474537@linaro.org>
Date:   Wed, 22 Nov 2023 09:41:06 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Jerome Brunet <jbrunet@...libre.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Kevin Hilman <khilman@...libre.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-pwm@...r.kernel.org, JunYi Zhao <junyi.zhao@...ogic.com>
Subject: Re: [PATCH v2 6/6] arm64: dts: amlogic: migrate pwms to new meson8 v2
 binding

On 17/11/2023 13:59, Jerome Brunet wrote:
> Update Amlogic based SoC PWMs to meson8-pwm-v2 compatible

Please write proper commit msgs.

> 
> Signed-off-by: Jerome Brunet <jbrunet@...libre.com>

...

> diff --git a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
> index 18f7b730289e..690552e5a104 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
> @@ -237,8 +237,6 @@ &pwm_ef {
>  	status = "okay";
>  	pinctrl-0 = <&pwm_e_pins>;
>  	pinctrl-names = "default";
> -	clocks = <&clkc CLKID_FCLK_DIV4>;
> -	clock-names = "clkin0";
>  };
>  
>  &saradc {
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> index 2673f0dbafe7..bf00672b9009 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
> @@ -329,14 +329,14 @@ i2c_A: i2c@...0 {
>  			};
>  
>  			pwm_ab: pwm@...0 {
> -				compatible = "amlogic,meson-gx-pwm", "amlogic,meson-gxbb-pwm";
> +				compatible = "amlogic,meson8-pwm-v2";

This is just wrong. NAK.

Replacing specific and correct (nothing in commit msg said these are
incorrect!) compatibles with generic, unspecific one is a no-go. It does
not make sense to replace correct code with incorrect...

Best regards,
Krzysztof