From: Thierry Reding <thierry.reding@gmail.com>
To: Marc Zyngier <maz@kernel.org>
Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>,
Jonathan Hunter <jonathanh@nvidia.com>,
Nagarjuna Kristam <nkristam@nvidia.com>,
Sowjanya Komatineni <skomatineni@nvidia.com>,
devicetree@vger.kernel.org
Subject: Re: [PATCH] arm64: tegra186: Add missing CPU PMUs
Date: Tue, 10 Nov 2020 19:22:12 +0100 [thread overview]
Message-ID: <20201110182212.GI2297135@ulmo> (raw)
In-Reply-To: <3da5c9b1f93699634aad997b77536a92@kernel.org>
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On Tue, Nov 10, 2020 at 06:08:31PM +0000, Marc Zyngier wrote:
> On 2020-11-10 17:36, Thierry Reding wrote:
> > On Tue, Oct 13, 2020 at 10:58:51AM +0100, Marc Zyngier wrote:
> > > Add the description of CPU PMUs for both the Denver and A57 clusters,
> > > which enables the perf subsystem.
> > >
> > > Signed-off-by: Marc Zyngier <maz@kernel.org>
>
> [...]
>
> > >
> > > + pmu_denver {
> > > + compatible = "nvidia,denver-pmu", "arm,armv8-pmuv3";
> >
> > checkpatch complains that this isn't documented. Did I miss the DT
> > bindings patch or do we not have one for this?
>
> We don't. But I don't think adding a compatible string for each
> and every micro-architecture makes much sense unless we have something
> useful to add to that compatible string. Such as a full description
> of the implementation specific events.
I'm wondering if this isn't going to upset Rob's json-schema bot and
make him mad.
Thierry
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next prev parent reply other threads:[~2020-11-10 18:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-13 9:58 [PATCH] arm64: tegra186: Add missing CPU PMUs Marc Zyngier
2020-11-10 17:36 ` Thierry Reding
2020-11-10 18:08 ` Marc Zyngier
2020-11-10 18:22 ` Thierry Reding [this message]
2020-11-10 18:27 ` Marc Zyngier
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