linux-kernel - Re: [PATCH 7/8] dt-bindings: perf: arm-cmn: Add CMN S3

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Message-ID: <172373524966.1843320.5253926062860157964.robh@kernel.org>
Date: Thu, 15 Aug 2024 09:20:50 -0600
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Robin Murphy <robin.murphy@....com>
Cc: mark.rutland@....com, ilkka@...amperecomputing.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	will@...nel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 7/8] dt-bindings: perf: arm-cmn: Add CMN S3


On Fri, 09 Aug 2024 20:15:46 +0100, Robin Murphy wrote:
> The CMN S3 PMU is functionally still very similar to CMN-700, however
> while the register contents are compatible, many of them are moved to
> different offsets. While this is technically discoverable by a careful
> driver that understands the part number in the peripheral ID registers
> (which do at least remain in the same place), a new unique compatible
> seems warranted to avoid any surprises.
> 
> CC: <devicetree@...r.kernel.org>
> Signed-off-by: Robin Murphy <robin.murphy@....com>
> ---
>  Documentation/devicetree/bindings/perf/arm,cmn.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring (Arm) <robh@...nel.org>