linux-kernel - Re: [PATCH v2] ARM: dts: exynos: enable polling in Exynos 4210

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Date:   Thu, 14 Sep 2023 10:01:22 +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
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>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v2] ARM: dts: exynos: enable polling in Exynos 4210

On 11/09/2023 15:34, 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>
> ---
> v1 -> v2: Just uploaded separately from all the thermal: exynos:
>   patches with a shorter recipient list, no change otherwise.
> 
>  arch/arm/boot/dts/samsung/exynos4210.dtsi | 10 ++++++++--
>  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.

This is a friendly reminder during the review process.

It seems my previous comments were not fully addressed. Maybe my
feedback got lost between the quotes, maybe you just forgot to apply it.
Please go back to the previous discussion and either implement all
requested changes or keep discussing them.

I fixed it up and applied.

Best regards,
Krzysztof