linux-kernel - Re: [PATCH v6 1/2] dt-bindings: vcpu_stall_detector: Add qemu,vcpu-stall-detector compatible

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Date:   Thu, 16 Jun 2022 08:05:01 -0600
From:   Rob Herring <robh@...nel.org>
To:     Sebastian Ene <sebastianene@...gle.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arnd Bergmann <arnd@...db.de>, vdonnefort@...gle.com,
        maz@...nel.org, will@...nel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Rob Herring <robh+dt@...nel.org>,
        Dragan Cvetic <dragan.cvetic@...inx.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v6 1/2] dt-bindings: vcpu_stall_detector: Add qemu,vcpu-stall-detector compatible

On Thu, 16 Jun 2022 09:27:38 +0000, Sebastian Ene wrote:
> The VCPU stall detection mechanism allows to configure the expiration
> duration and the internal counter clock frequency measured in Hz.
> Add these properties in the schema.
> 
> While this is a memory mapped virtual device, it is expected to be loaded
> when the DT contains the compatible: "qemu,vcpu-stall-detector" node.
> In a protected VM we trust the generated DT nodes and we don't rely on
> the host to present the hardware peripherals.
> 
> Signed-off-by: Sebastian Ene <sebastianene@...gle.com>
> ---
>  .../bindings/misc/vcpu_stall_detector.yaml    | 49 +++++++++++++++++++
>  1 file changed, 49 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/misc/vcpu_stall_detector.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:

dtschema/dtc warnings/errors:
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/misc/vcpu_stall_detector.yaml: properties:timeout-sec: '$ref' should not be valid under {'const': '$ref'}
	hint: Standard unit suffix properties don't need a type $ref
	from schema $id: http://devicetree.org/meta-schemas/core.yaml#
/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/misc/vcpu_stall_detector.yaml: ignoring, error in schema: properties: timeout-sec
Documentation/devicetree/bindings/misc/vcpu_stall_detector.example.dtb:0:0: /example-0/vmwdt@...0000: failed to match any schema with compatible: ['qemu,vcpu-stall-detector']

doc reference errors (make refcheckdocs):

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

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.