linux-kernel - Re: [PATCH 13/18] dt-bindings: fix jz4780-nemc issue as reported by dtbscheck

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Date:   Sun, 10 Apr 2022 21:13:00 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, letux-kernel@...nphoenux.org
Subject: Re: [PATCH 13/18] dt-bindings: fix jz4780-nemc issue as reported by
 dtbscheck

Hi,

> Am 10.04.2022 um 17:35 schrieb Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>:
> 
> On 09/04/2022 15:18, Krzysztof Kozlowski wrote:
>> On 09/04/2022 15:09, H. Nikolaus Schaller wrote:
> 
> (...)
> 
>>>>> @@ -17,7 +17,7 @@ properties:
>>>>>    oneOf:
>>>>>      - enum:
>>>>>          - 
>>>>> -          - ingenic,jz4780-nemc
>>>>> +          - [ , simple-mfd ]
>>>> 
>>>> This is not correct representation. If you really need simple-mfd, then
>>>> this should be a separate item below oneOf.
>>> 
>>> Well, it is valid YAML syntax and seems to be accepted by dtbscheck.
> 
> Minor update:
> Well, it is not a valid schema. Rob's checker now confirmed. If you run
> dt_bindings_check by yourself you will see the error:

I did run dt_bindings_check. Otherwise I wouldn't have seen that there is a problem
at all, before suggesting these changes...

> 
>   properties:compatible:oneOf:0:enum:1: ['ingenic', 'jz4780-nemc',
> 'simple-mfd'] is not of type 'string'
> 
> Probably because enum expects string, not another enum (so enum inside
> enum is not correct).
> 
> If you do not see the error, you might be missing some packages
> (mentioned in writing-schema + yamllint for a different issue) or your
> dtschema is old.

Neither.

yamllint etc. are all the most recent versions. Updated just two days ago.

But my filter looking for ci20.dtb did not catch it because the report
doesn't mention that file.

So Rob's robot is more mature than mine...

BR,
Nikolaus