HelenOS sources

device_enumerate  412 uspace/drv/bus/usb/uhci/hc.c static int device_enumerate(device_t *dev)
device_enumerate  167 uspace/drv/bus/usb/vhc/transfer.c static int device_enumerate(device_t *device)
device_enumerate  150 uspace/lib/usbhost/src/ddf_helpers.c static errno_t device_enumerate(ddf_fun_t *fun, unsigned port, usb_speed_t speed)
HelenOS homepage, sources at GitHub