linux-kernel - Re: [PATCH v4 1/2] dt-bindings: arm: Add OP-TEE transport for SCMI

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Date:   Thu, 21 Oct 2021 10:38:01 +0200
From:   Etienne Carriere <etienne.carriere@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     Sudeep Holla <sudeep.holla@....com>,
        Rob Herring <robh+dt@...nel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel@...r.kernel.org,
        Cristian Marussi <cristian.marussi@....com>,
        devicetree@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH v4 1/2] dt-bindings: arm: Add OP-TEE transport for SCMI

Hello Rob,

On Wed, 20 Oct 2021 at 23:14, Rob Herring <robh@...nel.org> wrote:
>
> On Wed, 20 Oct 2021 19:57:46 +0200, Etienne Carriere wrote:
> > Introduce compatible "linaro,scmi-optee" for SCMI transport channel
> > based on an OP-TEE service invocation. The compatible mandates a
> > channel ID defined with property "linaro,optee-channel-id".
> >
> > Cc: devicetree@...r.kernel.org
> > Cc: Rob Herring <robh+dt@...nel.org>
> > Signed-off-by: Etienne Carriere <etienne.carriere@...aro.org>
> > ---
> > Changes since v3:
> >  - Add description for linaro,optee-channel-id in patternProperties
> >    specifying protocol can optionaly define a dedicated channel id.
> >  - Fix DTS example (duplicated phandles issue, subnodes ordering)
> >  - Fix typo in DTS example and description comments.
> >
> > Changes since v2:
> >  - Define mandatory property linaro,optee-channel-id
> >  - Rebased on yaml description file
> >
> > Changes since v1:
> >  - Removed modification regarding mboxes property description.
> > ---
> >  .../bindings/firmware/arm,scmi.yaml           | 66 +++++++++++++++++++
> >  1 file changed, 66 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/linux-dt-review/Documentation/devicetree/bindings/firmware/arm,scmi.example.dt.yaml: sram@...00000: 'optee-shm-section@0' does not match any of the regexes: '^([a-z]*-)?sram(-section)?@[a-f0-9]+$', 'pinctrl-[0-9]+'
>         From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/sram/sram.yaml
>
> doc reference errors (make refcheckdocs):
>
> See https://patchwork.ozlabs.org/patch/1544001
>
> 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.
>

For info, i've upgraded dtsschemas, tested on v5.15-rc6 but don't get any error.

Yet, i'll fix the DTS example accordingly in the v5.

Regards,
Etienne