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SubjectRe: [PATCH] arm64: tegra186: Add missing CPU PMUs
On 2020-11-10 17:36, Thierry Reding wrote:
> On Tue, Oct 13, 2020 at 10:58:51AM +0100, Marc Zyngier wrote:
>> Add the description of CPU PMUs for both the Denver and A57 clusters,
>> which enables the perf subsystem.
>>
>> Signed-off-by: Marc Zyngier <maz@kernel.org>

[...]

>>
>> + pmu_denver {
>> + compatible = "nvidia,denver-pmu", "arm,armv8-pmuv3";
>
> checkpatch complains that this isn't documented. Did I miss the DT
> bindings patch or do we not have one for this?

We don't. But I don't think adding a compatible string for each
and every micro-architecture makes much sense unless we have something
useful to add to that compatible string. Such as a full description
of the implementation specific events.

Thanks,

M.

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