$ lspci -vnns 03:00 03:00.0 USB Controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller [1033:0194] (rev 03) (prog-if 30 [XHCI]) Subsystem: Ratoc System Inc Device [1195:3001] Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at fdefe000 (64-bit, non-prefetchable) [size=8K] Capabilities: <access denied> Kernel driver in use: xhci_hcd Kernel modules: xhci-hcd