Re: [PATCH v7 0/5] Fix traceNoC probe issue on multiple QCOM platforms
From: Suzuki K Poulose
Date: Tue Nov 10 2026 - 06:57:22 EST
On Tue, 10 Nov 2026 09:21:13 +0800, Jie Gan wrote:
> The CoreSight TNOC (Trace Network-On-Chip) binding so far only allowed the
> two-string AMBA form "qcom,coresight-tnoc", "arm,primecell". That form
> forces the device onto the AMBA bus, where the driver must read the
> peripheral ID from the device registers during probe. On several QCOM
> platforms this AMBA peripheral-ID probing fails, so the traceNoC device
> never probes and its trace path is unavailable.
>
> [...]
Applied, thanks!
[1/5] dt-bindings: arm: coresight-tnoc: Bind on platform bus instead of AMBA
https://git.kernel.org/coresight/c/76e192f4d40a
[2/5] coresight: tnoc: Bind Aggregator TNOC on the platform bus
https://git.kernel.org/coresight/c/4d443f2e0956
[3/5] arm64: dts: qcom: kaanapali: bind traceNoC on the platform bus
https://git.kernel.org/coresight/c/50e7796ab751
[4/5] arm64: dts: qcom: sm8750: bind traceNoC on the platform bus
https://git.kernel.org/coresight/c/f599d281541e
[5/5] arm64: dts: qcom: glymur: use Aggregator TNOC compatible
https://git.kernel.org/coresight/c/1352ce9c99bd
Best regards,
--
Suzuki K Poulose <suzuki.poulose@xxxxxxx>