diff options
Diffstat (limited to 'sys/contrib/device-tree/src/arm/samsung/exynos4210.dtsi')
| -rw-r--r-- | sys/contrib/device-tree/src/arm/samsung/exynos4210.dtsi | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/sys/contrib/device-tree/src/arm/samsung/exynos4210.dtsi b/sys/contrib/device-tree/src/arm/samsung/exynos4210.dtsi index 0e27c3375e2e..510e8665d1a2 100644 --- a/sys/contrib/device-tree/src/arm/samsung/exynos4210.dtsi +++ b/sys/contrib/device-tree/src/arm/samsung/exynos4210.dtsi @@ -391,8 +391,16 @@ }; &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 { |