linux-kernel - Re: [PATCH v4 2/3] dt-bindings: usb: snps,dwc3: Add runtime-suspend-on-usb-suspend property

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Date:   Mon, 14 Aug 2023 13:13:44 -0600
From:   Rob Herring <robh@...nel.org>
To:     Elson Roy Serrao <quic_eserrao@...cinc.com>
Cc:     linux-usb@...r.kernel.org, rogerq@...nel.org,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, conor+dt@...nel.org,
        Thinh.Nguyen@...opsys.com, gregkh@...uxfoundation.org,
        krzysztof.kozlowski+dt@...aro.org
Subject: Re: [PATCH v4 2/3] dt-bindings: usb: snps,dwc3: Add
 runtime-suspend-on-usb-suspend property


On Mon, 14 Aug 2023 11:50:42 -0700, Elson Roy Serrao wrote:
> This property allows dwc3 runtime suspend when bus suspend interrupt
> is received even with cable connected. This would allow the dwc3
> controller to enter low power mode during bus suspend scenario.
> 
> This property would particularly benefit dwc3 IPs where hibernation is
> not enabled and the dwc3 low power mode entry/exit is handled by the
> glue driver. The assumption here is that the platform using this dt
> property is capable of detecting resume events to bring the controller
> out of suspend.
> 
> Signed-off-by: Elson Roy Serrao <quic_eserrao@...cinc.com>
> ---
>  Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 5 +++++
>  1 file changed, 5 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:

dtschema/dtc warnings/errors:
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml: properties:snps,runtime-suspend-on-usb-suspend: 'oneOf' conditional failed, one must be fixed:
	'type' is a required property
		hint: A vendor boolean property can use "type: boolean"
	/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml: properties:snps,runtime-suspend-on-usb-suspend: 'oneOf' conditional failed, one must be fixed:
		'enum' is a required property
		'const' is a required property
		hint: A vendor string property with exact values has an implicit type
		from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
	/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/usb/snps,dwc3.yaml: properties:snps,runtime-suspend-on-usb-suspend: 'oneOf' conditional failed, one must be fixed:
		'$ref' is a required property
		'allOf' is a required property
		hint: A vendor property needs a $ref to types.yaml
		from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#
	hint: Vendor specific properties must have a type and description unless they have a defined, common suffix.
	from schema $id: http://devicetree.org/meta-schemas/vendor-props.yaml#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230814185043.9252-3-quic_eserrao@quicinc.com

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.