How to reset the usb3.0

Hi Nvidia team.

Can you tell me how to reset the usb3.0 controller?

ls -l /sys/bus/pci/drivers/xhci_hcd/

There are no devices in /sys/bus/pci/drivers/xhci_hcd, what should i do?

You can try to disable/enable the regulator. Please refer to
USB Load Switches - #23 by DaneLLL

Thanks for you reply,I tested and solved the problem

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