linux-kernel - Re: [PATCH 1/2] ASoC: dt-bindings: renesas, rsnd: Clear warning 'dais' is a required property

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Message-ID: <2460067e-5358-3e00-0a06-010b2a3736fb@huawei.com>
Date:   Wed, 31 Mar 2021 10:25:52 +0800
From:   "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>
To:     Rob Herring <robh@...nel.org>
CC:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        alsa-devel <alsa-devel@...a-project.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Subject: Re: [PATCH 1/2] ASoC: dt-bindings: renesas, rsnd: Clear warning
 'dais' is a required property



On 2021/3/31 6:45, Rob Herring wrote:
> On Tue, Mar 30, 2021 at 11:06:30AM +0800, Zhen Lei wrote:
>> When I do dt_binding_check, below warning is reported:
>> Documentation/devicetree/bindings/sound/renesas,rsnd.example.dt.yaml: \
>> sound@...00000: 'dais' is a required property
>>
>> I looked at all the dts files in the "arch/arm64/boot/dts/renesas/"
>> directory, I found that all nodes that contain the "dais" property have
>> compatible string: "audio-graph-card". So I can be sure that the
>> "$ref: audio-graph.yaml#" should be corrected to
>> "$ref: audio-graph-card.yaml#".
>>
>> In addition, not all nodes have compatible string "audio-graph-card", so
>> the "$ref: audio-graph-card.yaml#" should be described as "anyOf". To
>> ensure the validation of "anyOf" always passes, group it with the "if"
>> statement, because the result of the "if" statement is always not empty.
> 
> 'anyOf' is probably not right here.

Oh, yes, I think I should use "if" statement to enumerate cases where
"audio-graph-card.yaml" is required.

> 
> In any case, the is going to conflict with my series[1].

OK, I'll rework my patch based on your series.

> 
> Rob
> 
> [1] https://lore.kernel.org/r/20210323163634.877511-1-robh@kernel.org/
> 
> .
>