Re: [PATCH v2 17/17] devicetree: Add bindings for ftrace KHO

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On Fri, 22 Dec 2023 19:51:44 +0000, Alexander Graf wrote:
> With ftrace in KHO, we are creating an ABI between old kernel and new
> kernel about the state that they transfer. To ensure that we document
> that state and catch any breaking change, let's add its schema to the
> common devicetree bindings. This way, we can quickly reason about the
> state that gets passed.
> 
> Signed-off-by: Alexander Graf <graf@xxxxxxxxxx>
> ---
>  .../bindings/kho/ftrace/ftrace-array.yaml     | 46 +++++++++++++++
>  .../bindings/kho/ftrace/ftrace-cpu.yaml       | 56 +++++++++++++++++++
>  .../bindings/kho/ftrace/ftrace.yaml           | 48 ++++++++++++++++
>  3 files changed, 150 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/kho/ftrace/ftrace-array.yaml
>  create mode 100644 Documentation/devicetree/bindings/kho/ftrace/ftrace-cpu.yaml
>  create mode 100644 Documentation/devicetree/bindings/kho/ftrace/ftrace.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/kho/ftrace/ftrace-array.yaml:43:111: [warning] line too long (117 > 110 characters) (line-length)
./Documentation/devicetree/bindings/kho/ftrace/ftrace-cpu.yaml:53:111: [warning] line too long (117 > 110 characters) (line-length)
./Documentation/devicetree/bindings/kho/ftrace/ftrace.yaml:45:111: [warning] line too long (117 > 110 characters) (line-length)

dtschema/dtc warnings/errors:
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-array.example.dts:29.25-39: Value 0x0000000101000000 truncated to 0x01000000
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-array.example.dts:29.48-62: Value 0x0000000101000100 truncated to 0x01000100
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-array.example.dts:29.73-87: Value 0x0000000101000038 truncated to 0x01000038
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-array.example.dts:29.96-110: Value 0x0000000101002000 truncated to 0x01002000
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-cpu.example.dts:29.25-39: Value 0x0000000101000000 truncated to 0x01000000
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-cpu.example.dts:29.48-62: Value 0x0000000101000100 truncated to 0x01000100
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-cpu.example.dts:29.73-87: Value 0x0000000101000038 truncated to 0x01000038
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace-cpu.example.dts:29.96-110: Value 0x0000000101002000 truncated to 0x01002000
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace.example.dts:29.25-39: Value 0x0000000101000000 truncated to 0x01000000
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace.example.dts:29.48-62: Value 0x0000000101000100 truncated to 0x01000100
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace.example.dts:29.73-87: Value 0x0000000101000038 truncated to 0x01000038
WARNING: Documentation/devicetree/bindings/kho/ftrace/ftrace.example.dts:29.96-110: Value 0x0000000101002000 truncated to 0x01002000

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20231222195144.24532-12-graf@xxxxxxxxxx

The base for the series is generally the latest rc1. A different dependency
should be noted in *this* patch.

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 after running the above command yourself. Note
that DT_SCHEMA_FILES can be set to your schema file to speed up checking
your schema. However, it must be unset to test all examples with your schema.





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