diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c index 3ce17c3d7a00..054c0bc36d24 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -23,7 +23,7 @@ static int temp_warn(struct notifier_block *, unsigned long, void *); static int port_module(struct notifier_block *, unsigned long, void *); static int pcie_core(struct notifier_block *, unsigned long, void *); -/* handler which forwards the event to events->nh, driver notifiers */ +/* handler which forwards the event to events->fw_nh, driver notifiers */ static int forward_event(struct notifier_block *, unsigned long, void *); static struct mlx5_nb events_nbs_ref[] = { @@ -55,8 +55,8 @@ struct mlx5_events { struct mlx5_core_dev *dev; struct workqueue_struct *wq; struct mlx5_event_nb notifiers[ARRAY_SIZE(events_nbs_ref)]; - /* driver notifier chain */ - struct atomic_notifier_head nh; + /* driver notifier chain for fw events */ + struct atomic_notifier_head fw_nh; /* port module events stats */ struct mlx5_pme_stats pme_stats; /*pcie_core*/ @@ -331,7 +331,7 @@ static int forward_event(struct notifier_block *nb, unsigned long event, void *d mlx5_core_dbg(events->dev, "Async eqe type %s, subtype (%d) forward to interfaces\n", eqe_type_str(eqe->type), eqe->sub_type); - atomic_notifier_call_chain(&events->nh, event, data); + atomic_notifier_call_chain(&events->fw_nh, event, data); return NOTIFY_OK; } @@ -342,7 +342,7 @@ int mlx5_events_init(struct mlx5_core_dev *dev) if (!events) return -ENOMEM; - ATOMIC_INIT_NOTIFIER_HEAD(&events->nh); + ATOMIC_INIT_NOTIFIER_HEAD(&events->fw_nh); events->dev = dev; dev->priv.events = events; events->wq = create_singlethread_workqueue("mlx5_events"); @@ -383,11 +383,14 @@ void mlx5_events_stop(struct mlx5_core_dev *dev) flush_workqueue(events->wq); } +/* This API is used only for processing and forwarding firmware + * events to mlx5 consumer. + */ int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb) { struct mlx5_events *events = dev->priv.events; - return atomic_notifier_chain_register(&events->nh, nb); + return atomic_notifier_chain_register(&events->fw_nh, nb); } EXPORT_SYMBOL(mlx5_notifier_register); @@ -395,11 +398,11 @@ int mlx5_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *n { struct mlx5_events *events = dev->priv.events; - return atomic_notifier_chain_unregister(&events->nh, nb); + return atomic_notifier_chain_unregister(&events->fw_nh, nb); } EXPORT_SYMBOL(mlx5_notifier_unregister); int mlx5_notifier_call_chain(struct mlx5_events *events, unsigned int event, void *data) { - return atomic_notifier_call_chain(&events->nh, event, data); + return atomic_notifier_call_chain(&events->fw_nh, event, data); }