linux-kernel - Re: [RFC PATCH 06/12] dt-bindings: rtc: sun6i: add compatible string for V831/V833 RTC

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Date:   Mon, 14 Dec 2020 08:19:32 -0600
From:   Rob Herring <robh@...nel.org>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     devicetree@...r.kernel.org, Maxime Ripard <mripard@...nel.org>,
        linux-kernel@...r.kernel.org,
        Alessandro Zummo <a.zummo@...ertech.it>,
        linux-arm-kernel@...ts.infradead.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>
Subject: Re: [RFC PATCH 06/12] dt-bindings: rtc: sun6i: add compatible string
 for V831/V833 RTC

On Sat, 12 Dec 2020 12:06:35 +0800, Icenowy Zheng wrote:
> V831/V833 SoCs (the same die) have a RTC block similar to the one in H6,
> but allow to generate the osc32k clock from osc24M.
> 
> Add a new compatible string for that.
> 
> The functionality of dividing osc24M to generate osc32k is still TODO.
> 
> Cc: Alessandro Zummo <a.zummo@...ertech.it>
> Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Cc: linux-rtc@...r.kernel.org
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
>  .../devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml        | 2 ++
>  1 file changed, 2 insertions(+)
> 


My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:
./Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml:102:13: [error] duplication of key "const" in mapping (key-duplicates)

dtschema/dtc warnings/errors:
make[1]: *** Deleting file 'Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.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 343, in load
    return constructor.get_single_data()
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 113, in get_single_data
    return self.construct_document(node)
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 123, in construct_document
    for _dummy in generator:
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 723, in construct_yaml_map
    value = self.construct_mapping(node)
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 440, in construct_mapping
    return BaseConstructor.construct_mapping(self, node, deep=deep)
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 257, in construct_mapping
    if self.check_mapping_key(node, key_node, mapping, key, value):
  File "/usr/local/lib/python3.8/dist-packages/ruamel/yaml/constructor.py", line 295, in check_mapping_key
    raise DuplicateKeyError(*args)
ruamel.yaml.constructor.DuplicateKeyError: while constructing a mapping
  in "<unicode string>", line 101, column 13
found duplicate key "const" with value "allwinner,sun50i-h6-rtc" (original value: "allwinner,sun8i-v831-rtc")
  in "<unicode string>", line 102, column 13

To suppress this check see:
    http://yaml.readthedocs.io/en/latest/api.html#duplicate-keys

Duplicate keys will become an error in future releases, and are errors
by default when using the new API.

make[1]: *** [Documentation/devicetree/bindings/Makefile:20: Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.example.dts] Error 1
make[1]: *** Waiting for unfinished jobs....
make[1]: *** [Documentation/devicetree/bindings/Makefile:59: Documentation/devicetree/bindings/processed-schema-examples.json] Error 123
make: *** [Makefile:1364: dt_binding_check] Error 2


See https://patchwork.ozlabs.org/patch/1415362

The base for the patch is generally the last rc1. Any dependencies
should be noted.

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.