linux-kernel - Re: [PATCH 02/20] arm64: dts: Update cache properties for amlogic

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Date:   Mon, 31 Oct 2022 17:19:57 -0500
From:   Rob Herring <robh+dt@...nel.org>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     Pierre Gondois <pierre.gondois@....com>, neil.armstrong@...aro.org,
        linux-kernel@...r.kernel.org, Rob.Herring@....com,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH 02/20] arm64: dts: Update cache properties for amlogic

On Mon, Oct 31, 2022 at 4:09 PM Martin Blumenstingl
<martin.blumenstingl@...glemail.com> wrote:
>
> Hi Pierre,
>
> On Mon, Oct 31, 2022 at 2:33 PM Pierre Gondois <pierre.gondois@....com> wrote:
> [...]
> > To avoid cc-ing people to DTs they are not related, the get_maintainers.pl
> > script was run on each patch individually. The cover-letter is at:
> > https://lore.kernel.org/all/20221031091848.530938-1-pierre.gondois@arm.com/
> I think Neil's question is the same as mine: is there a dt-bindings
> (yaml schema) change for this as well? The idea is to alert people (or
> let bots alert people) in future when adding a cache to a .dts{,i}
> where the cache-level property is missing.

There's not one, but it's something to look at adding. I'm not sure
how we'd check for missing 'unified-cache' which is a common problem.
The challenge here is a lot of what needs to be checked is based on
the overall structure. This probably is better checked in dtc which is
better suited to do cross node checks.

Rob