netdev - Re: [PATCH v2 2/4] dt-bindings: net: can: Add poll-interval for MCAN

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Date:   Fri, 28 Apr 2023 11:17:20 -0500
From:   "Mendez, Judith" <jm@...com>
To:     Rob Herring <robh@...nel.org>
CC:     Jakub Kicinski <kuba@...nel.org>, Nishanth Menon <nm@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        <devicetree@...r.kernel.org>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        <linux-can@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Tero Kristo <kristo@...nel.org>,
        Schuyler Patton <spatton@...com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        "David S . Miller" <davem@...emloft.net>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Vignesh Raghavendra <vigneshr@...com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] dt-bindings: net: can: Add poll-interval for MCAN

Hello Rob,

On 4/24/2023 7:13 PM, Rob Herring wrote:
> 
> On Mon, 24 Apr 2023 14:54:00 -0500, Judith Mendez wrote:
>> On AM62x SoC, MCANs on MCU domain do not have hardware interrupt
>> routed to A53 Linux, instead they will use software interrupt by
>> hrtimer. To enable timer method, interrupts should be optional so
>> remove interrupts property from required section and introduce
>> poll-interval property.
>>
>> Signed-off-by: Judith Mendez <jm@...com>
>> ---
>> Changelog:
>> v2:
>>    1. Add poll-interval property to enable timer polling method
>>    2. Add example using poll-interval property
>>
>>   .../bindings/net/can/bosch,m_can.yaml         | 26 ++++++++++++++++---
>>   1 file changed, 23 insertions(+), 3 deletions(-)
>>
> 
> 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/net/can/bosch,m_can.yaml: 'example with interrupts' is not one of ['$id', '$schema', 'title', 'description', 'examples', 'required', 'allOf', 'anyOf', 'oneOf', 'definitions', '$defs', 'additionalProperties', 'dependencies', 'dependentRequired', 'dependentSchemas', 'patternProperties', 'properties', 'not', 'if', 'then', 'else', 'unevaluatedProperties', 'deprecated', 'maintainers', 'select', '$ref']
> 	from schema $id: http://devicetree.org/meta-schemas/base.yaml#
> /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/net/can/bosch,m_can.yaml: 'example with timer polling' is not one of ['$id', '$schema', 'title', 'description', 'examples', 'required', 'allOf', 'anyOf', 'oneOf', 'definitions', '$defs', 'additionalProperties', 'dependencies', 'dependentRequired', 'dependentSchemas', 'patternProperties', 'properties', 'not', 'if', 'then', 'else', 'unevaluatedProperties', 'deprecated', 'maintainers', 'select', '$ref']
> 	from schema $id: http://devicetree.org/meta-schemas/base.yaml#
> 
> doc reference errors (make refcheckdocs):
> 
> See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20230424195402.516-3-jm@ti.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.

Thanks Rob, I was not getting the errors, but I have fixed now. Thanks.

regards,
Judith