[PATCH] perf/arm-cmn: Fix DTC reset

[Will Deacon]

Hi Geoff,

On Thu, Apr 06, 2023 at 04:25:39PM -0500, Geoff Blake wrote:
> Ran this patch on an AWS C6g.metal and unfortunately still see the 
> spurious IRQs trigger quickly (within 10 tries) when using the following 
> flow:
> 
> perf stat -a -e arm_cmn_0/event=0x5,type=0x5/ -- sleep 600
> kexec -e 
> 
> Adding in the simple shutdown routine, I have run over 100 of the 
> above cycles and the spurious IRQs haven't triggered.  I think we still 
> need both for now.

Does that mean you're happy for me to queue this change as-is?

Will