linux-kernel - Re: [RFC PATCH] dt-bindings: dma: apple,sio: Add schema

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Message-ID: <20230214191959.GA27025-robh@kernel.org>
Date:   Tue, 14 Feb 2023 13:19:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Martin Povišer <povik+lin@...ebit.org>
Cc:     Janne Grunau <j@...nau.net>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hector Martin <marcan@...can.st>, devicetree@...r.kernel.org,
        Vinod Koul <vkoul@...nel.org>, Sven Peter <sven@...npeter.dev>,
        asahi@...ts.linux.dev, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org
Subject: Re: [RFC PATCH] dt-bindings: dma: apple,sio: Add schema

On Tue, Feb 14, 2023 at 10:12:34AM -0600, Rob Herring wrote:
> 
> On Tue, 14 Feb 2023 15:10:53 +0100, Martin Povišer wrote:
> > Describe the SIO coprocessor which serves as pretend DMA controller on
> > recent Apple platforms.
> > 
> > Signed-off-by: Martin Povišer <povik+lin@...ebit.org>
> > ---
> > 
> > Since the schema mentions a loader preparing the binding appropriately,
> > here's a PR with the relevant (WIP) loader code, if anyone wants to look:
> > https://github.com/AsahiLinux/m1n1/pull/286
> > 
> >  .../devicetree/bindings/dma/apple,sio.yaml    | 129 ++++++++++++++++++
> >  1 file changed, 129 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/dma/apple,sio.yaml
> > 
> 
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
> 
> yamllint warnings/errors:
> 
> dtschema/dtc warnings/errors:
> Documentation/devicetree/bindings/dma/apple,sio.example.dts:24.35-27.11: Warning (node_name_vs_property_name): /example-0/interrupt-controller: node name and property name conflict

This is a quirk with how the examples are constructed. In any case, just 
drop the 'interrupt-controller' node. No need to show providers in an 
example.

Rob