n_head 496 drivers/hsi/hsi_core.c BLOCKING_INIT_NOTIFIER_HEAD(&port[i]->n_head); n_head 678 drivers/hsi/hsi_core.c return blocking_notifier_chain_register(&port->n_head, &cl->nb); n_head 698 drivers/hsi/hsi_core.c err = blocking_notifier_chain_unregister(&port->n_head, &cl->nb); n_head 723 drivers/hsi/hsi_core.c return blocking_notifier_call_chain(&port->n_head, event, NULL); n_head 236 include/linux/hsi/hsi.h struct blocking_notifier_head n_head;