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

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Message-Id: <170206026051.2485962.13304186324857333888.robh@kernel.org>
Date:   Fri, 08 Dec 2023 12:31:00 -0600
From:   Rob Herring <robh@...nel.org>
To:     Conor Dooley <conor@...nel.org>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>, linux-can@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org,
        Daire McNamara <daire.mcnamara@...rochip.com>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        linux-riscv@...ts.infradead.org,
        Eric Dumazet <edumazet@...gle.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paolo Abeni <pabeni@...hat.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH RESEND v1 2/7] dt-bindings: can: mpfs: add missing
 required clock


On Fri, 08 Dec 2023 17:12:24 +0000, Conor Dooley wrote:
> From: Conor Dooley <conor.dooley@...rochip.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@...rochip.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#

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20231208-palpitate-passable-c79bacf2036c@spud

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.