USB print error

background: custom carrier board remove usb TypeC to TypeA
question: When insert usb device ,kernel print error as below. what this mean?


192.168.1.154_2021-11-03_11_33_49.log (525.4 KB)
extracted.dts (359.4 KB)

Hi,
IT looks to be an issue in signal quality. Have you performed compliance test on the custom board. We have guidance for doing compliance test in download center. Please download it and take a look.

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