xhci_dbc_tty_register_device  800 drivers/usb/host/xhci-dbgcap.c 		ret = xhci_dbc_tty_register_device(xhci);
xhci_dbc_tty_register_device  200 drivers/usb/host/xhci-dbgcap.h int xhci_dbc_tty_register_device(struct xhci_hcd *xhci);