linux-kernel - Re: [PATCH v6 6/7] dt/bindings: drm/bridge: it6505: Add mode-switch support

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Message-Id: <166930150123.3946649.3725588692267123167.robh@kernel.org>
Date:   Thu, 24 Nov 2022 11:39:27 -0600
From:   Rob Herring <robh@...nel.org>
To:     Pin-yen Lin <treapking@...omium.org>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Xin Ji <xji@...logixsemi.com>, Lyude Paul <lyude@...hat.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Benson Leung <bleung@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Jonas Karlman <jonas@...boo.se>,
        David Airlie <airlied@...il.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        Prashant Malani <pmalani@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Nícolas F . R . A . Prado 
        <nfraprado@...labora.com>, Andrzej Hajda <andrzej.hajda@...el.com>,
        Allen Chen <allen.chen@....com.tw>,
        Marek Vasut <marex@...x.de>, linux-acpi@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Daniel Scally <djrscally@...il.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        linux-kernel@...r.kernel.org, Guenter Roeck <groeck@...omium.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Rob Herring <robh+dt@...nel.org>,
        chrome-platform@...ts.linux.dev
Subject: Re: [PATCH v6 6/7] dt/bindings: drm/bridge: it6505: Add mode-switch support


On Thu, 24 Nov 2022 18:20:55 +0800, Pin-yen Lin wrote:
> ITE IT6505 can be used in systems to switch the DP traffic between
> two downstreams, which can be USB Type-C DisplayPort alternate mode
> lane or regular DisplayPort output ports.
> 
> Update the binding to accommodate this usage by introducing a
> data-lanes and a mode-switch property on endpoints.
> 
> Signed-off-by: Pin-yen Lin <treapking@...omium.org>
> 
> ---
> 
> Changes in v6:
> - Remove switches node and use endpoints and data-lanes property to
>   describe the connections.
> 
>  .../bindings/display/bridge/ite,it6505.yaml   | 94 ++++++++++++++++++-
>  1 file changed, 90 insertions(+), 4 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:
./Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml:99:1: [error] syntax error: found character '\t' that cannot start any token (syntax)

dtschema/dtc warnings/errors:
make[1]: *** Deleting file 'Documentation/devicetree/bindings/display/bridge/ite,it6505.example.dts'
Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml:99:1: found character '\t' that cannot start any token
make[1]: *** [Documentation/devicetree/bindings/Makefile:26: Documentation/devicetree/bindings/display/bridge/ite,it6505.example.dts] Error 1
make[1]: *** Waiting for unfinished jobs....
./Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml:99:1: found character '\t' that cannot start any token
/builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml: ignoring, error parsing file
make: *** [Makefile:1492: dt_binding_check] Error 2

doc reference errors (make refcheckdocs):

See https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20221124102056.393220-7-treapking@chromium.org

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 after running the above command.