linux-kernel - Re: [PATCH 0/2] MediaTek AUXADC thermal: urgent fixes

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Message-ID: <125cfb20-271f-9746-9bd3-eb3637a6648d@linaro.org>
Date:   Wed, 19 Apr 2023 09:33:08 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, rafael@...nel.org
Cc:     amitk@...nel.org, rui.zhang@...el.com, matthias.bgg@...il.com,
        aouledameur@...libre.com, bchihi@...libre.com,
        daniel@...rotopia.org, ye.xingchen@....com.cn, hsinyi@...omium.org,
        michael.kao@...iatek.com, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 0/2] MediaTek AUXADC thermal: urgent fixes

On 19/04/2023 08:11, AngeloGioacchino Del Regno wrote:
> The AUXADC thermal driver unfortunately has issues with a fixed wait
> at probe, as this is not only SoC dependent, but actually depends on
> the board (and even aging...): for example, that works fine on the
> Chromebook that I have here in my hands but not for the ones in our lab.
> 
> Some machines are working fine with that 30ms delay at probe, but some
> others are not, hence I started digging in downstream sources here and
> there, and found that there actually is a valid temperature range for
> at least auxadc-thermal *v1* and can be actually found in multiple
> downstream kernels for MT8173 and MT6795.
> 
> As for v2 and v3 thermal IP, I'm sure that the v1 range works fine but
> I've "left room" for adding specific ranges for them later: this fix
> is urgent, as many MT8173 and MT8183 Chromebooks are failing tests in
> KernelCI due to thermal shutdown during boot.
> 
> For the KernelCI logs, you can look at [1] for 8173, [2] for 8183.
> 
> [1]: https://storage.kernelci.org/next/master/next-20230405/arm64/defconfig+arm64-chromebook/gcc-10/lab-collabora/igt-kms-mediatek-mt8173-elm-hana.html
> [2]: https://storage.kernelci.org/next/master/next-20230405/arm64/defconfig+arm64-chromebook/gcc-10/lab-collabora/cros-ec-mt8183-kukui-jacuzzi-juniper-sku16.html
> 

Applied, thanks


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