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Subject: Re: [PATH 3/4] dt-bindings: display: Add virtual DRM
To:     Rob Herring <robh@kernel.org>
Cc:     linux-kernel@vger.kernel.org,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@linux.ie>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>,
        dri-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org,
        linux-doc@vger.kernel.org, devicetree@vger.kernel.org,
        Maxime Ripard <mripard@kernel.org>,
        Damian Hobson-Garcia <dhobsong@igel.co.jp>,
        Takanari Hayama <taki@igel.co.jp>
References: <20210621064403.26663-1-etom@igel.co.jp>
 <20210621064403.26663-4-etom@igel.co.jp>
 <1624297202.341994.1161630.nullmailer@robh.at.kernel.org>
From:   Esaki Tomohito <etom@igel.co.jp>
Message-ID: <d722105a-44f6-1b9c-d91c-d140b926f7c5@igel.co.jp>
Date:   Tue, 22 Jun 2021 13:17:38 +0900
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Hi, Rob

Thank you for the error report and advice.
I will recheck DT binding.

Best regards
Tomohito Esaki

On 2021/06/22 2:40, Rob Herring wrote:
> On Mon, 21 Jun 2021 15:44:02 +0900, Tomohito Esaki wrote:
>> Add device tree bindings documentation for virtual DRM.
>>
>> Signed-off-by: Tomohito Esaki <etom@igel.co.jp>
>> ---
>>  .../devicetree/bindings/display/vdrm.yaml     | 67 +++++++++++++++++++
>>  1 file changed, 67 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/display/vdrm.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:
> ./Documentation/devicetree/bindings/display/vdrm.yaml:39:1: [error] syntax error: found character '\t' that cannot start any token (syntax)
> 
> dtschema/dtc warnings/errors:
> make[1]: *** Deleting file 'Documentation/devicetree/bindings/display/vdrm.example.dts'
> Traceback (most recent call last):
>   File "/usr/local/bin/dt-extract-example", line 45, in <module>
>     binding = yaml.load(open(args.yamlfile, encoding='utf-8').read())
>   File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/main.py", line 434, in load
>     return constructor.get_single_data()
>   File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 120, in get_single_data
>     node = self.composer.get_single_node()
>   File "_ruamel_yaml.pyx", line 706, in _ruamel_yaml.CParser.get_single_node
>   File "_ruamel_yaml.pyx", line 724, in _ruamel_yaml.CParser._compose_document
>   File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
>   File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
>   File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
>   File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
>   File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
>   File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
>   File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
>   File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
>   File "_ruamel_yaml.pyx", line 775, in _ruamel_yaml.CParser._compose_node
>   File "_ruamel_yaml.pyx", line 889, in _ruamel_yaml.CParser._compose_mapping_node
>   File "_ruamel_yaml.pyx", line 731, in _ruamel_yaml.CParser._compose_node
>   File "_ruamel_yaml.pyx", line 904, in _ruamel_yaml.CParser._parse_next_event
> ruamel.yaml.scanner.ScannerError: while scanning a plain scalar
>   in "<unicode string>", line 38, column 15
> found a tab character that violates indentation
>   in "<unicode string>", line 39, column 1
> make[1]: *** [Documentation/devicetree/bindings/Makefile:20: Documentation/devicetree/bindings/display/vdrm.example.dts] Error 1
> make[1]: *** Waiting for unfinished jobs....
> ./Documentation/devicetree/bindings/display/vdrm.yaml:  while scanning a plain scalar
>   in "<unicode string>", line 38, column 15
> found a tab character that violates indentation
>   in "<unicode string>", line 39, column 1
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/display/vdrm.yaml: ignoring, error parsing file
> warning: no schema found in file: ./Documentation/devicetree/bindings/display/vdrm.yaml
> make: *** [Makefile:1416: dt_binding_check] Error 2
> \ndoc reference errors (make refcheckdocs):
> 
> See https://patchwork.ozlabs.org/patch/1494913
> 
> This check can fail if there are any dependencies. The base for a patch
> series is generally the most recent rc1.
> 
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
> 
> pip3 install dtschema --upgrade
> 
> Please check and re-submit.
>