HelenOS sources

xhci_device_enumerate   48 uspace/drv/bus/usb/xhci/bus.c 	.device_enumerate = xhci_device_enumerate,
xhci_device_enumerate   67 uspace/drv/bus/usb/xhci/device.h errno_t xhci_device_enumerate(device_t *);
HelenOS homepage, sources at GitHub