Re: [PATCH Resend v2 0/2] arm64: Add PMU node for APM X-Gene Storm SoC

[Dann Frazier <dann.frazier-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>]

On Wed, Aug 13, 2014 at 12:32 PM, Feng Kan <fkan-qTEPVZfXA3Y@public.gmane.org> wrote:
> This patch series adds PMU node for APM X-Gene's Potenza CPU.
> Potenza CPU PMU is compatible with ARMv8-PMUv3.
>
> I am resending this patch since the original author has left the company and
> I am taking over for the work. There is no change to the original patch.
>
> Just a comment on the dependency on the second part of the patch. Though I
> agree that without the GIC patch, perf utility does not function correctly on
> our current platform. However, it also requires the correct bootloader to be
> installed to perform the correct actions. This does not break Linux, which
> lead me to remove the statement in the previous attempt. I have since put
> back the statement and hope that the maintainer would provide some guidance
> on if the patch would be postponed because the dependancy.
>
> Feng Kan (2):
>   dt-bindings: Add Potenza PMU binding
>   arm64: dts: Add PMU node for APM X-Gene Storm SOC
>
>  Documentation/devicetree/bindings/arm/pmu.txt | 1 +
>  arch/arm64/boot/dts/apm-storm.dtsi            | 5 +++++
>  2 files changed, 6 insertions(+)

I can confirm that this gives me hardware counter support with perf on
X-Gene on latest linus with*out* the referenced additional GIC patch.

Tested-by: dann frazier <dann.frazier-Z7WLFzj8eWMS+FvcfC7Uqw@public.gmane.org>
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