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@xxxxxxxxxx> >> --- >> .../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. >