linux-kernel - Re: [PATCH 01/11] ARM: dts: exynos: enable polling in Exynos 4210

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Message-ID: <d42ae161-df43-d4c0-15e5-60ea06d825ce@linaro.org>
Date:   Tue, 29 Aug 2023 11:26:51 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Mateusz Majewski <m.majewski2@...sung.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 01/11] ARM: dts: exynos: enable polling in Exynos 4210

On 29/08/2023 11:18, Mateusz Majewski wrote:
> It seems that thermal in Exynos 4210 is broken without this, as it will
> never decrease cooling after increasing it.
> 
> Signed-off-by: Mateusz Majewski <m.majewski2@...sung.com>
> ---
>  arch/arm/boot/dts/samsung/exynos4210.dtsi | 10 ++++++++--

Please split unrelated patches for different subsystems into separate
patchsets.

>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/samsung/exynos4210.dtsi b/arch/arm/boot/dts/samsung/exynos4210.dtsi
> index 0e27c3375e2e..aae185b7f91c 100644
> --- a/arch/arm/boot/dts/samsung/exynos4210.dtsi
> +++ b/arch/arm/boot/dts/samsung/exynos4210.dtsi
> @@ -391,8 +391,14 @@ &cpu_alert2 {
>  };
>  
>  &cpu_thermal {
> -	polling-delay-passive = <0>;
> -	polling-delay = <0>;
> +	/* Exynos 4210 supports thermal interrupts, but only for the rising threshold.

Linux coding style comments are:

/*
 * Foo bar


Best regards,
Krzysztof