Re: [PATCH 01/10] ARM64: dts: amlogic: Add all CPUs in cooling maps

From: Kevin Hilman
Date: Wed Nov 28 2018 - 19:35:08 EST


Viresh Kumar <viresh.kumar@xxxxxxxxxx> writes:

> Each CPU can (and does) participate in cooling down the system but the
> DT only captures a handful of them, normally CPU0, in the cooling maps.
> Things work by chance currently as under normal circumstances its the
> first CPU of each cluster which is used by the operating systems to
> probe the cooling devices. But as soon as this CPU ordering changes and
> any other CPU is used to bring up the cooling device, we will start
> seeing failures.
>
> Also the DT is rather incomplete when we list only one CPU in the
> cooling maps, as the hardware doesn't have any such limitations.
>
> Update cooling maps to include all devices affected by individual trip
> points.
>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

Queued for v4.21,

Thanks!

Kevin