linux-kernel - Re: [PATCH v8 4/6] dt-bindings: mfd: sensehat: Add Raspberry Pi Sense HAT schema

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Date:   Wed, 13 Apr 2022 15:40:25 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Charles Mirabile <cmirabil@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     Serge Schneider <serge@...pberrypi.org>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        Mattias Brugger <mbrugger@...e.com>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, fedora-rpi@...glegroups.com,
        Miguel Ojeda <ojeda@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Lee Jones <lee.jones@...aro.org>, devicetree@...r.kernel.org,
        linux-input@...r.kernel.org, Mwesigwa Guma <mguma@...hat.com>,
        Joel Savitz <jsavitz@...hat.com>
Subject: Re: [PATCH v8 4/6] dt-bindings: mfd: sensehat: Add Raspberry Pi Sense
 HAT schema

On 13/04/2022 15:38, Krzysztof Kozlowski wrote:
> On 12/04/2022 22:13, Charles Mirabile wrote:
>> This patch adds the device tree bindings for the Sense HAT
>> and each of its children devices in yaml form.
>>
> 
> Thank you for your patch. There is something to discuss/improve.
> 
>> +description:
>> +  This device is part of the sensehat multi function device.
>> +  For more information see ../mfd/raspberrypi,sensehat.yaml.
>> +
>> +  This device features a programmable 8x8 RGB LED matrix.
>> +
>> +properties:
>> +  compatible:
>> +    const: raspberrypi,sensehat-display
> 
> This binding is practically empty, so I wonder what's is purpose? Do you
> plan to grow it? If this was already explained, sorry for bringing it up
> again... :)
> 

BTW, I see now you got review from Rob. What changed here that you did
not include it? It is expected to document such case in patch changelog,
so the reviewer will know he wasn't ignored. :)

Best regards,
Krzysztof