HelenOS sources

xhci_rh_init      239 uspace/drv/bus/usb/xhci/hc.c 	if ((err = xhci_rh_init(&hc->rh, hc)))
xhci_rh_init       83 uspace/drv/bus/usb/xhci/rh.h extern errno_t xhci_rh_init(xhci_rh_t *, xhci_hc_t *);
HelenOS homepage, sources at GitHub