linux-kernel - Re: [RFC PATCH 4/6] dt-bindings: PCI: Add SiFive FU740 PCIe host controller

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Message-Id: <1614813276.374609.846312.nullmailer@robh.at.kernel.org>
Date:   Wed, 03 Mar 2021 17:14:36 -0600
From:   Rob Herring <robh@...nel.org>
To:     Greentime Hu <greentime.hu@...ive.com>
Cc:     bhelgaas@...gle.com, hes@...ive.com, p.zabel@...gutronix.de,
        khilman@...libre.com, vidyas@...dia.com,
        linux-riscv@...ts.infradead.org, jh80.chung@...sung.com,
        lorenzo.pieralisi@....com, alex.dewar90@...il.com,
        sboyd@...nel.org, palmer@...belt.com, aou@...s.berkeley.edu,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        zong.li@...ive.com, paul.walmsley@...ive.com,
        linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        erik.danie@...ive.com, robh+dt@...nel.org, mturquette@...libre.com,
        hayashi.kunihiko@...ionext.com
Subject: Re: [RFC PATCH 4/6] dt-bindings: PCI: Add SiFive FU740 PCIe host controller

On Tue, 02 Mar 2021 18:59:15 +0800, Greentime Hu wrote:
> Add PCIe host controller DT bindings of SiFive FU740.
> 
> Signed-off-by: Greentime Hu <greentime.hu@...ive.com>
> ---
>  .../bindings/pci/sifive,fu740-pcie.yaml       | 119 ++++++++++++++++++
>  1 file changed, 119 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml
> 

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

yamllint warnings/errors:
./Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml:114:1: [error] syntax error: found character '\t' that cannot start any token (syntax)

dtschema/dtc warnings/errors:
make[1]: *** Deleting file 'Documentation/devicetree/bindings/pci/sifive,fu740-pcie.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 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 773, in _ruamel_yaml.CParser._compose_node
  File "_ruamel_yaml.pyx", line 848, in _ruamel_yaml.CParser._compose_sequence_node
  File "_ruamel_yaml.pyx", line 904, in _ruamel_yaml.CParser._parse_next_event
ruamel.yaml.scanner.ScannerError: while scanning a block scalar
  in "<unicode string>", line 88, column 5
found a tab character where an indentation space is expected
  in "<unicode string>", line 114, column 1
make[1]: *** [Documentation/devicetree/bindings/Makefile:20: Documentation/devicetree/bindings/pci/sifive,fu740-pcie.example.dts] Error 1
make[1]: *** Waiting for unfinished jobs....
./Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml:  while scanning a block scalar
  in "<unicode string>", line 88, column 5
found a tab character where an indentation space is expected
  in "<unicode string>", line 114, column 1
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml: ignoring, error parsing file
warning: no schema found in file: ./Documentation/devicetree/bindings/pci/sifive,fu740-pcie.yaml
make: *** [Makefile:1380: dt_binding_check] Error 2

See https://patchwork.ozlabs.org/patch/1446288

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.