linux-kernel - Re: [PATCH v6 1/2] dt-bindings: serial: Add rx-tx-swap to stm32-usart

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Date:   Fri, 12 Mar 2021 15:56:01 +0100
From:   Martin DEVERA <devik@...labs.cz>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Le Ray <erwan.leray@...com>,
        linux-stm32@...md-mailman.stormreply.com,
        fabrice.gasnier@...s.st.com, linux-arm-kernel@...ts.infradead.org,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org
Subject: Re: [PATCH v6 1/2] dt-bindings: serial: Add rx-tx-swap to stm32-usart

On 3/12/21 3:23 PM, Rob Herring wrote:
> On Fri, 12 Mar 2021 11:27:12 +0100, Martin Devera wrote:
>> Add new rx-tx-swap property to allow for RX & TX pin swapping.
>>
>> Signed-off-by: Martin Devera <devik@...labs.cz>
>> Acked-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
>> ---
>> v6:
>>    - add version changelog
>> v5:
>>    - yaml fixes based on Rob Herring comments
>>      - add serial.yaml reference
>>      - move compatible from 'then' to 'if'
>> v3:
>>    - don't allow rx-tx-swap for st,stm32-uart (suggested
>>      by Fabrice Gasnier)
>> v2:
>>    - change st,swap to rx-tx-swap (suggested by Rob Herring)
>> ---
>>   .../devicetree/bindings/serial/st,stm32-uart.yaml  | 29 ++++++++++++++--------
>>   1 file changed, 19 insertions(+), 10 deletions(-)
>>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> yamllint warnings/errors:
> ./Documentation/devicetree/bindings/serial/st,stm32-uart.yaml:81:12: [warning] wrong indentation: expected 10 but found 11 (indentation)
>
> dtschema/dtc warnings/errors:
>
> See https://patchwork.ozlabs.org/patch/1451861
>
> 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
>
Yoy are right, there is one extra space. But for some reason the check 
doesn't
find it:
$ make dt_binding_check 
DT_SCHEMA_FILES=Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
   CHKDT Documentation/devicetree/bindings/processed-schema-examples.json
   SCHEMA Documentation/devicetree/bindings/processed-schema-examples.json
/home/devik/.local/lib/python3.9/site-packages/dtschema/schemas/serial/rs485.yaml: 
duplicate '$id' value 'http://devicetree.org/schemas/serial/rs485.yaml#'
   DTEX Documentation/devicetree/bindings/serial/st,stm32-uart.example.dts
   DTC 
Documentation/devicetree/bindings/serial/st,stm32-uart.example.dt.yaml
   CHECK 
Documentation/devicetree/bindings/serial/st,stm32-uart.example.dt.yaml

$ git describe
v5.12-rc2-2-g2f2a4a95dd38

$ pip3 show dtschema
Name: dtschema
Version: 2021.2.1

Any idea why ?

Thanks, Martin