linux-kernel - Re: [PATCH 1/2] dt-bindings: serial: add generic DT binding for announcing RTS/CTS lines

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Date:   Mon, 29 Jun 2020 08:13:27 +0000
From:   Erwan LE RAY <erwan.leray@...com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>,
        Fabrice GASNIER <fabrice.gasnier@...com>
Subject: Re: [PATCH 1/2] dt-bindings: serial: add generic DT binding for
 announcing RTS/CTS lines


On 6/27/20 4:18 PM, Greg Kroah-Hartman wrote:
> On Wed, May 20, 2020 at 03:39:31PM +0200, Erwan Le Ray wrote:
>> Add support of generic DT binding for annoucing RTS/CTS lines. The initial
>> binding 'st,hw-flow-control' is not needed anymore since generic binding
>> is available, but is kept for backward compatibility.
>>
>> Signed-off-by: Erwan Le Ray <erwan.leray@...com>
>>
>> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> index 75b8521eb7cb..06d5f251ec88 100644
>> --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
>> @@ -35,9 +35,11 @@ properties:
>>       description: label associated with this uart
>>   
>>     st,hw-flow-ctrl:
>> -    description: enable hardware flow control
>> +    description: enable hardware flow control (deprecated)
>>       $ref: /schemas/types.yaml#/definitions/flag
>>   
>> +  uart-has-rtscts: true
>> +
>>     dmas:
>>       minItems: 1
>>       maxItems: 2
>> -- 
>> 2.17.1
>>
> Did this get ignored by the DT maintainers?  :(

Hi Rob,

Gentle reminder. Could you please provide your feedback on this patch ?

Best Regards, Erwan.