Re: [PATCH 1/2] arm64: dts: qcom: qcs6490-rb3gen2-industrial-mezzanine: Add model string

[Krzysztof Kozlowski]

On 26/03/2026 03:59, Bjorn Andersson wrote:
>>
>>> considering above point - is it okay to have this patch ? I believe it would be good to have model string in the DTSO file added.
>>
>> No. A _mezzanine_ can not be a device model. It is by definition
>> something that you plug into the main device. Maybe creating something
>> new, a new kit.
>>
>> Moreover, the model name is not an ABI, we should not be using it for
>> device identification.
>>
> 
> I do agree.
> 
> That said, as we (others) discussed during LPC, it would be very useful
> for bug reporting purposes to know what overlays has been applied - or
> in general what "version" of the dtb we're running the system from.
> 
> I don't think "model" is what we're looking for there though.

No, it's not. Prepending compatible is one way, but that cannot be done
directly by DTSO. In my notes from LPC I have also top-level config node
(there is patch for U-Boot for that). And I finished my notes around
that time, so I don't have more ideas...

Best regards,
Krzysztof