From: Rob Herring <robh@kernel.org>
To: Janne Grunau <j@jannau.net>
Cc: devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, asahi@lists.linux.dev,
Will Deacon <will@kernel.org>
Subject: Re: [PATCH 1/2] dt-bindings: arm-pmu: Add PMU compatible strings for Apple M2 cores
Date: Wed, 15 Feb 2023 14:46:13 -0600 [thread overview]
Message-ID: <167649397316.524961.8297827132612365519.robh@kernel.org> (raw)
In-Reply-To: <20230214-apple_m2_pmu-v1-1-9c9213ab9b63@jannau.net>
On Tue, 14 Feb 2023 11:38:01 +0100, Janne Grunau wrote:
> The PMUs on the Apple M2 cores avalanche and blizzard CPU are compatible
> with M1 ones. As on M1 we don't know exactly what the counters count so
> use a distinct compatible for each micro-architecture.
> Apple's PMU counter description omits a counter for M2 so there
> is some variation on the interpretation of the counters.
>
> Signed-off-by: Janne Grunau <j@jannau.net>
> ---
> Documentation/devicetree/bindings/arm/pmu.yaml | 2 ++
> 1 file changed, 2 insertions(+)
>
Acked-by: Rob Herring <robh@kernel.org>
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next prev parent reply other threads:[~2023-02-15 20:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230214-apple_m2_pmu-v1-0-9c9213ab9b63@jannau.net>
2023-02-14 10:44 ` [PATCH 0/2] Apple M2 PMU support Hector Martin
[not found] ` <20230214-apple_m2_pmu-v1-1-9c9213ab9b63@jannau.net>
2023-02-15 20:46 ` Rob Herring [this message]
[not found] ` <20230214-apple_m2_pmu-v1-2-9c9213ab9b63@jannau.net>
2023-03-24 14:00 ` [PATCH 2/2] drivers/perf: apple_m1: Add Apple M2 support Mark Rutland
2023-03-27 15:01 ` [PATCH 0/2] Apple M2 PMU support Will Deacon
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