Re: [PATCH v2] dt-bindings: serial: rs485: Fix rs485-rts-delay property

From: Conor Dooley
Date: Fri Sep 13 2024 - 13:25:01 EST


On Fri, Sep 13, 2024 at 12:55:23PM +0200, Michal Simek wrote:
> Code expects array only with 2 items which should be checked.
> But also item checking is not working as it should likely because of
> incorrect items description.
>
> Fixes: d50f974c4f7f ("dt-bindings: serial: Convert rs485 bindings to json-schema")
> Signed-off-by: Michal Simek <michal.simek@xxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> ---
>
> Changes in v2:
> - Remove maxItems properties which are not needed
> - Add stable ML to CC
>
> .../devicetree/bindings/serial/rs485.yaml | 19 +++++++++----------
> 1 file changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml
> index 9418fd66a8e9..9665de41762e 100644
> --- a/Documentation/devicetree/bindings/serial/rs485.yaml
> +++ b/Documentation/devicetree/bindings/serial/rs485.yaml
> @@ -18,16 +18,15 @@ properties:
> description: prop-encoded-array <a b>
> $ref: /schemas/types.yaml#/definitions/uint32-array
> items:
> - items:
> - - description: Delay between rts signal and beginning of data sent in
> - milliseconds. It corresponds to the delay before sending data.
> - default: 0
> - maximum: 100
> - - description: Delay between end of data sent and rts signal in milliseconds.
> - It corresponds to the delay after sending data and actual release
> - of the line.
> - default: 0
> - maximum: 100
> + - description: Delay between rts signal and beginning of data sent in
> + milliseconds. It corresponds to the delay before sending data.
> + default: 0
> + maximum: 50

I would expect to see some mention in the commit message as to why the
maximum has changed from 100 to 50 milliseconds.

> + - description: Delay between end of data sent and rts signal in milliseconds.
> + It corresponds to the delay after sending data and actual release
> + of the line.
> + default: 0
> + maximum: 100
>
> rs485-rts-active-high:
> description: drive RTS high when sending (this is the default).
> --
> 2.43.0
>

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