HelenOS sources
endpoint_set_online 122 uspace/drv/bus/usb/ehci/ehci_bus.c endpoint_set_online(ep, &bus->hc->guard);
endpoint_set_online 128 uspace/drv/bus/usb/ohci/ohci_bus.c endpoint_set_online(ep, &bus->hc->guard);
endpoint_set_online 349 uspace/drv/bus/usb/uhci/hc.c endpoint_set_online(ep, &list->guard);
endpoint_set_online 206 uspace/drv/bus/usb/xhci/endpoint.c endpoint_set_online(ep_base, &ep->guard);
endpoint_set_online 124 uspace/lib/usbhost/include/usb/host/endpoint.h extern void endpoint_set_online(endpoint_t *, fibril_mutex_t *);
HelenOS homepage, sources at GitHub