Re: [PATCH v2 1/4] dt-bindings: dsp: fsl,dsp: document debug reset control

[Krzysztof Kozlowski]

On 09/11/2026 03:22, Shengjiu Wang wrote:
> On Fri, Nov 6, 2026 at 8:57 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>>
>> On Thu, Nov 05, 2026 at 10:41:03AM +0800, shengjiu.wang@xxxxxxxxxxx wrote:
>>> From: Shengjiu Wang <shengjiu.wang@xxxxxxx>
>>>
>>> The HiFi4 DSP provides a separate reset control for its debug logic.
>>> Keep this reset deasserted so that an external debug agent can access
>>> the DSP and perform debug operations.
>>>
>>> Also require the reset properties for the i.MX8ULP HiFi4 DSP.
>>
>> That's ABI break without explanation.
>>
> 
> The i.MX8ULP HiFi4 DSP has not been enabled upstream before. This series
> adds the DSP node for the first time, so there should be no existing upstream
> DT relying on this compatible without the reset properties.

That does not change the fact that you break ABI, does it?

Best regards,
Krzysztof