usb_add_function
EXPORT_SYMBOL_GPL(usb_add_function);
ret = usb_add_function(c, f);
status = usb_add_function(c, f_acm);
status = usb_add_function(c, f_msg);
status = usb_add_function(c, f_uac1);
status = usb_add_function(c, f_uac2);
status = usb_add_function(c, f_ecm);
status = usb_add_function(c, f_acm);
status = usb_add_function(c, f_rndis);
status = usb_add_function(c, f_eem);
status = usb_add_function(c, f_ecm);
status = usb_add_function(c, f_geth);
ret = usb_add_function(c, f_ffs[gc->num][i]);
status = usb_add_function(c, f_ecm);
status = usb_add_function(c, f_geth);
status = usb_add_function(c, f_rndis);
status = usb_add_function(c, f_midi);
status = usb_add_function(c, e->f);
ret = usb_add_function(c, f_msg);
ret = usb_add_function(c, f_rndis);
ret = usb_add_function(c, f_acm_rndis);
ret = usb_add_function(c, f_msg_rndis);
ret = usb_add_function(c, f_ecm);
ret = usb_add_function(c, f_acm_multi);
ret = usb_add_function(c, f_msg_multi);
status = usb_add_function(c, f_ncm);
phonet_stat = usb_add_function(c, f_phonet);
obex1_stat = usb_add_function(c, f_obex1);
obex2_stat = usb_add_function(c, f_obex2);
status = usb_add_function(c, f_acm);
status = usb_add_function(c, f_ecm);
status = usb_add_function(c, f_msg);
status = usb_add_function(c, f_printer);
ret = usb_add_function(c, f_serial[i]);
status = usb_add_function(c, f_tcm);
status = usb_add_function(c, f_uvc);
status = usb_add_function(&sourcesink_driver, func_ss);
status = usb_add_function(&loopback_driver, func_lb);
int usb_add_function(struct usb_configuration *, struct usb_function *);