linux-kernel - Re: [PATCH 2/3] dt-bindings: leds: Add `excludes` property

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Message-Id: <1634163614.994090.1686438.nullmailer@robh.at.kernel.org>
Date:   Wed, 13 Oct 2021 17:20:14 -0500
From:   Rob Herring <robh@...nel.org>
To:     Marek Behún <kabel@...nel.org>
Cc:     netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>, pavel@....cz,
        linux-leds@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] dt-bindings: leds: Add `excludes` property

On Wed, 13 Oct 2021 22:44:23 +0200, Marek Behún wrote:
> Some RJ-45 connectors have LEDs wired in the following way:
> 
>          LED1
>       +--|>|--+
>       |       |
>   A---+--|<|--+---B
>          LED2
> 
> With + on A and - on B, LED1 is ON and LED2 is OFF. Inverting the
> polarity turns LED1 OFF and LED2 ON.
> 
> So these LEDs exclude each other.
> 
> Add new `excludes` property to the LED binding. The property is a
> phandle-array to all the other LEDs that are excluded by this LED.
> 
> Signed-off-by: Marek Behún <kabel@...nel.org>
> ---
>  Documentation/devicetree/bindings/leds/common.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

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/leds/common.yaml:66:7: [error] syntax error: could not find expected ':' (syntax)

dtschema/dtc warnings/errors:
make[1]: *** Deleting file 'Documentation/devicetree/bindings/leds/common.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 891, in _ruamel_yaml.CParser._compose_mapping_node
  File "_ruamel_yaml.pyx", line 904, in _ruamel_yaml.CParser._parse_next_event
ruamel.yaml.scanner.ScannerError: while scanning a simple key
  in "<unicode string>", line 65, column 7
could not find expected ':'
  in "<unicode string>", line 66, column 7
make[1]: *** [Documentation/devicetree/bindings/Makefile:20: Documentation/devicetree/bindings/leds/common.example.dts] Error 1
make[1]: *** Waiting for unfinished jobs....
schemas/leds/common.yaml: ignoring, error parsing file
schemas/leds/common.yaml: ignoring, error parsing file
./Documentation/devicetree/bindings/leds/common.yaml:  while scanning a simple key
  in "<unicode string>", line 65, column 7
could not find expected ':'
  in "<unicode string>", line 66, column 7
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/leds/common.yaml: ignoring, error parsing file
warning: no schema found in file: ./Documentation/devicetree/bindings/leds/common.yaml
make: *** [Makefile:1441: dt_binding_check] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/patch/1540615

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.