[PATCH 0/2] MediaTek AUXADC thermal: urgent fixes

Daniel Lezcano daniel.lezcano at linaro.org
Wed Apr 19 00:33:08 PDT 2023


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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