Re: [PATCH net-next] dt-bindings: net: dsa: sja1105: convert to YAML schema

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On Tue, 01 Jun 2021 02:47:35 +0300, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> 
> The following issues exist with the device-specific sja1105,role-mac and
> sja1105,role-phy:
> 
> (a) the "sja1105" is not a valid vendor prefix and should probably have
>     been "nxp", but
> (b) as per the discussion with Florian here:
>     https://lore.kernel.org/netdev/20210201214515.cx6ivvme2tlquge2@skbuf/
>     more phy-mode values similar to "revmii" can be added which denote
>     that the port is in the role of a PHY (such as "revrmii"), making
>     the sja1105,role-phy redundant. Because there are no upstream users
>     (or any users at all, to my knowledge) of these properties, they
>     could even be removed in a future commit as far as I am concerned.
> (c) when I force-add sja1105,role-phy to a device tree for testing, the
>     patternProperties matching does not work, it results in the following
>     error:
> 
> ethernet-switch@2: ethernet-ports:port@1: 'sja1105,role-phy' does not match any of the regexes: 'pinctrl-[0-9]+'
>         From schema: Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
> 
> But what's even more interesting is that if I remove the
> "additionalProperties: true" that dsa.yaml has, I get even more
> validation errors coming from patternProperties not matching either,
> from spi-controller.yaml:
> 
> ethernet-switch@2: 'compatible', 'mdio', 'reg', 'spi-cpol', 'spi-max-frequency' do not match any of the regexes: '^(ethernet-)?ports$', 'pinctrl-[0-9]+'
> 
> So... it is probably broken. Rob Herring says here:
> https://lore.kernel.org/linux-spi/20210324181037.GB3320002@xxxxxxxxxxxxxxxxxx/
> 
>   I'm aware of the issue, but I don't have a solution for this situation.
>   It's a problem anywhere we have a parent or bus binding defining
>   properties for child nodes. For now, I'd just avoid it in the examples
>   and we'll figure out how to deal with actual dts files later.
> 
> So that's what I did.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@xxxxxxx>
> ---
>  .../bindings/net/dsa/nxp,sja1105.yaml         | 128 ++++++++++++++
>  .../devicetree/bindings/net/dsa/sja1105.txt   | 156 ------------------
>  2 files changed, 128 insertions(+), 156 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/dsa/nxp,sja1105.yaml
>  delete mode 100644 Documentation/devicetree/bindings/net/dsa/sja1105.txt
> 

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/net/dsa/nxp,sja1105.yaml:65:17: [warning] wrong indentation: expected 14 but found 16 (indentation)

dtschema/dtc warnings/errors:

See https://patchwork.ozlabs.org/patch/1485820

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.




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