Re: [PATCH RESEND v1 2/7] dt-bindings: can: mpfs: add missing required clock

Conor Dooley
2023-12-08T19:25:45Z

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On Fri, Dec 08, 2023 at 12:31:00PM -0600, Rob Herring wrote:
>
> On Fri, 08 Dec 2023 17:12:24 +0000, Conor Dooley wrote:
> > From: Conor Dooley <conor.dooley@microchip.com>
> >
> > The CAN controller on PolarFire SoC has an AHB peripheral clock _and_ a
> > CAN bus clock. The bus clock was omitted when the binding was written,
> > but is required for operation. Make up for lost time and add it.
> >
> > Cautionary tale in adding bindings without having implemented a real
> > user for them perhaps.
> >
> > Fixes: c878d518d7b6 ("dt-bindings: can: mpfs: document the mpfs CAN controller")
> > Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
> > ---
> > .../devicetree/bindings/net/can/microchip,mpfs-can.yaml | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 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/microchip,mpfs-can.yaml: properties:clocks: {'maxItems': 2, 'items': [{'description': 'AHB peripheral clock'}, {'description': 'CAN bus clock'}]} should not be valid under {'required': ['maxItems']}
> hint: "maxItems" is not needed with an "items" list
> from schema $id: http://devicetree.org/meta-schemas/items.yaml#

Oh dear, me of all people.

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