Re: [PATCH v5 1/5] dt-bindings: arm: coresight-tnoc: Drop arm,primecell to bind on platform bus

[Krzysztof Kozlowski]

On 09/07/2026 11:02, Jie Gan wrote:
>>> The issue is that we are not allowed to introduce a DT property to
>>> bypass the AMBA bus validation, which reads the Component ID (CID)
>>
>> It is the first time "bypass the AMBU bus validation" appears in this
>> patch. You do not see that as a problem?
>>
>> Again, third time and the last: describe the actual hardware and the
>> actual problem coming from the hardware.
> 
> Understood, will focus on describe the hardware and the hardware issue.
> 
> Commit message description updated like below:
> 
> The Aggregator TraceNoC hardware exposes CID registers, but the 
> Component ID value read from those registers is 0 instead of a valid 
> AMBA Component ID. As a result, the device cannot be identified by the 
> AMBA bus and is not discovered as an AMBA device.
> 
> Since the hardware does not provide a valid AMBA identification, 
> describe the Aggregator TraceNoC using a dedicated compatible string and 
> bind it to the existing platform driver.
> 

yes, that's good.

Best regards,
Krzysztof