linux-kernel - Re: [PATCH 1/2] dt-bindings:pci: Set LTSSM Detect.Quiet state delay.

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Message-Id: <1615310351.616908.485083.nullmailer@robh.at.kernel.org>
Date:   Tue, 09 Mar 2021 10:19:11 -0700
From:   Rob Herring <robh@...nel.org>
To:     Nadeem Athani <nadeem@...ence.com>
Cc:     mparab@...ence.com, devicetree@...r.kernel.org,
        tjoseph@...ence.com, sjakhade@...ence.com, bhelgaas@...gle.com,
        lorenzo.pieralisi@....com, robh+dt@...nel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        kishon@...com, pthombar@...ence.com
Subject: Re: [PATCH 1/2] dt-bindings:pci: Set LTSSM Detect.Quiet state delay.

On Tue, 09 Mar 2021 08:31:41 +0100, Nadeem Athani wrote:
> The parameter detect-quiet-min-delay can be used to program the minimum
> time that LTSSM waits on entering Detect.Quiet state.
> 00 : 0us minimum wait time in Detect.Quiet state.
> 01 : 100us minimum wait time in Detect.Quiet state.
> 10 : 1000us minimum wait time in Detect.Quiet state.
> 11 : 2000us minimum wait time in Detect.Quiet state.
> 
> Signed-off-by: Nadeem Athani <nadeem@...ence.com>
> ---
>  .../devicetree/bindings/pci/cdns,cdns-pcie-host.yaml        | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 

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

yamllint warnings/errors:
./Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml:33:10: [error] syntax error: mapping values are not allowed here (syntax)

dtschema/dtc warnings/errors:
./Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml:  mapping values are not allowed in this context
  in "<unicode string>", line 33, column 10
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml: ignoring, error parsing file
warning: no schema found in file: ./Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml
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 111, 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 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: mapping values are not allowed in this context
  in "<unicode string>", line 33, column 10
make[1]: *** [Documentation/devicetree/bindings/Makefile:20: Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.example.dts] Error 1
make[1]: *** Deleting file 'Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.example.dts'
make: *** [Makefile:1380: dt_binding_check] Error 2

See https://patchwork.ozlabs.org/patch/1449563

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.