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ARM: dts: samsung: exynos4210: enable polling

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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@samsung.com>
Link: https://lore.kernel.org/r/20230911133417.14042-1-m.majewski2@samsung.com
[krzk: fix comment coding style and line wrapping]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
This commit is contained in:
Mateusz Majewski 2023-09-11 15:34:14 +02:00 committed by Krzysztof Kozlowski
parent 8edc16a1e2
commit ef399736c3
1 changed files with 10 additions and 2 deletions
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12
arch/arm/boot/dts/samsung/exynos4210.dtsi
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@ -391,8 +391,16 @@ &cpu_alert2 {
};
&cpu_thermal {
polling-delay-passive = <0>;
polling-delay = <0>;
/*
* Exynos 4210 supports thermal interrupts, but only for the rising
* threshold. This means that polling is not needed for preventing
* overheating, but only for decreasing cooling when possible. Hence we
* poll with a high delay. Ideally, we would disable polling for the
* first trip point, but this isn't really possible without outrageous
* hacks.
*/
polling-delay-passive = <5000>;
polling-delay = <5000>;
};
&gic {