Xhci_hcd 0009:01:00.0: Error while assigning device slot ID

我们用orin nx的核心板加上自研的载板,通过upd720201芯片扩展出3个usb3.0;lspci能够识别到此芯片,但是这3个usb3.0用不了,通过dmesg打印得知:
[ 20.958346] xhci_hcd 0009:01:00.0: Error while assigning device slot ID
[ 20.967080] xhci_hcd 0009:01:00.0: Max number of devices this xHCI host supports is 32.
[ 20.975347] usb usb3-port2: couldn’t allocate usb_device
这种情况应该如何解决?


dmesg.txt (70.7 KB)

這看起來像是這款xhci_hcd drvier的限制. Endpoint #看起來不能超過32個.
這個driver並不是NV driver

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