[PATCH v2 2/2] arm64: dts: qcom: kaanapali: fix traceNoC probe issue

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Wed Jun 24 06:27:24 PDT 2026


On 6/24/26 11:49 AM, Jie Gan wrote:
> The AMBA bus attempts to read the CID/PID of a device before invoking
> its probe function if the arm,primecell-periphid property is absent.
> This causes a deferred probe issue for the TraceNoC device, as the
> CID/PID cannot be read from the periphid register.

Why does it probe defer?

And is this required for all TNOC devices?

Konrad



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