linux-kernel - Re: [PATCH v2] ARM: dts: stihxxx-b2120: fix polarity of reset line of tsin0 port

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Date:   Thu, 2 Feb 2023 10:51:39 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Patrice Chotard <patrice.chotard@...s.st.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alain Volmat <avolmat@...com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ARM: dts: stihxxx-b2120: fix polarity of reset line
 of tsin0 port

On Fri, Sep 30, 2022 at 09:00:41AM -0700, Dmitry Torokhov wrote:
> According to c8sectpfe driver code we first drive reset line low and
> then high to reset the port, therefore the reset line is supposed to
> be annotated as "active low". This will be important when we convert
> the driver to gpiod API.
> 
> Reviewed-by: Patrice Chotard <patrice.chotard@...s.st.com>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---

Gentle ping on this one...

> 
> v2: fixed typo in the subject, added Patrice's reviewed-by
> 
>  arch/arm/boot/dts/stihxxx-b2120.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/stihxxx-b2120.dtsi b/arch/arm/boot/dts/stihxxx-b2120.dtsi
> index 2aa94605d3d4..d52a7aaa1074 100644
> --- a/arch/arm/boot/dts/stihxxx-b2120.dtsi
> +++ b/arch/arm/boot/dts/stihxxx-b2120.dtsi
> @@ -178,7 +178,7 @@ tsin0: port {
>  				tsin-num = <0>;
>  				serial-not-parallel;
>  				i2c-bus = <&ssc2>;
> -				reset-gpios = <&pio15 4 GPIO_ACTIVE_HIGH>;
> +				reset-gpios = <&pio15 4 GPIO_ACTIVE_LOW>;
>  				dvb-card = <STV0367_TDA18212_NIMA_1>;
>  			};
>  		};
> -- 
> 2.38.0.rc1.362.ged0d419d3c-goog
> 
> 
> -- 
> Dmitry

-- 
Dmitry