linux-kernel - Re: [PATCH] perf/arm-cmn: Set PMU device parent

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Date: Wed, 10 Apr 2024 16:58:37 +0100
From: Will Deacon <will@...nel.org>
To: mark.rutland@....com,
	Robin Murphy <robin.murphy@....com>
Cc: catalin.marinas@....com,
	kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf/arm-cmn: Set PMU device parent

On Tue, 09 Apr 2024 18:15:17 +0100, Robin Murphy wrote:
> Now that perf supports giving the PMU device a parent, we can use our
> platform device to make the relationship between CMN instances and PMU
> IDs trivially discoverable, from either nominal direction:
> 
> root@...zy-taxi:~# ls /sys/devices/platform/ARMHC600:00 | grep cmn
> arm_cmn_0
> root@...zy-taxi:~# realpath /sys/bus/event_source/devices/arm_cmn_0/..
> /sys/devices/platform/ARMHC600:00
> 
> [...]

Applied to will (for-next/perf), thanks!

[1/1] perf/arm-cmn: Set PMU device parent
      https://git.kernel.org/will/c/8f9f5041c646

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev