usb_remove_function
usb_remove_function(config, f);
EXPORT_SYMBOL_GPL(usb_remove_function);
usb_remove_function(c, f_acm);
usb_remove_function(c, f_ecm);
usb_remove_function(c, f_ffs[gc->num][i]);
usb_remove_function(c, n->f);
usb_remove_function(c, f_acm_rndis);
usb_remove_function(c, f_rndis);
usb_remove_function(c, f_acm_multi);
usb_remove_function(c, f_ecm);
usb_remove_function(c, f_ecm);
usb_remove_function(c, f_acm);
usb_remove_function(c, f_obex2);
usb_remove_function(c, f_obex1);
usb_remove_function(c, f_phonet);
usb_remove_function(c, f_serial[i]);
void usb_remove_function(struct usb_configuration *c, struct usb_function *f);