DEVICE_USABLE 704 uspace/srv/devman/driver.c dev->state = DEVICE_USABLE; DEVICE_USABLE 534 uspace/srv/devman/drv_conn.c if (dev_state == DEVICE_USABLE) DEVICE_USABLE 382 uspace/srv/devman/fun.c if (dev_state == DEVICE_USABLE) {HelenOS homepage, sources at GitHub