HelenOS sources

address_device     74 uspace/drv/bus/usb/xhci/device.c static errno_t address_device(xhci_device_t *dev)
address_device    104 uspace/lib/usbhost/src/usb2_bus.c static int address_device(usb2_bus_helper_t *helper, device_t *dev)
HelenOS homepage, sources at GitHub