5 files changed, 27 insertions, 13 deletions

diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h
index 438172cfb170..df29c977a702 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic.h
@@ -47,6 +47,7 @@ struct ionic {
 	struct ionic_dev_bar bars[IONIC_BARS_MAX];
 	unsigned int num_bars;
 	struct ionic_identity ident;
+	struct workqueue_struct *wq;
 	struct ionic_lif *lif;
 	unsigned int nnqs_per_lif;
 	unsigned int neqs_per_lif;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index 89b4310f244c..342863fd0b16 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -43,11 +43,11 @@ static void ionic_watchdog_cb(struct timer_list *t)
 
 		work->type = IONIC_DW_TYPE_RX_MODE;
 		netdev_dbg(lif->netdev, "deferred: rx_mode\n");
-		ionic_lif_deferred_enqueue(&lif->deferred, work);
+		ionic_lif_deferred_enqueue(lif, work);
 	}
 }
 
-static void ionic_watchdog_init(struct ionic *ionic)
+static int ionic_watchdog_init(struct ionic *ionic)
 {
 	struct ionic_dev *idev = &ionic->idev;
 
@@ -63,6 +63,15 @@ static void ionic_watchdog_init(struct ionic *ionic)
 	idev->fw_status_ready = true;
 	idev->fw_generation = IONIC_FW_STS_F_GENERATION &
 			      ioread8(&idev->dev_info_regs->fw_status);
+
+	ionic->wq = alloc_workqueue("%s-wq", WQ_UNBOUND, 0,
+				    dev_name(ionic->dev));
+	if (!ionic->wq) {
+		dev_err(ionic->dev, "alloc_workqueue failed");
+		return -ENOMEM;
+	}
+
+	return 0;
 }
 
 void ionic_init_devinfo(struct ionic *ionic)
@@ -94,6 +103,7 @@ int ionic_dev_setup(struct ionic *ionic)
 	struct device *dev = ionic->dev;
 	int size;
 	u32 sig;
+	int err;
 
 	/* BAR0: dev_cmd and interrupts */
 	if (num_bars < 1) {
@@ -129,7 +139,9 @@ int ionic_dev_setup(struct ionic *ionic)
 		return -EFAULT;
 	}
 
-	ionic_watchdog_init(ionic);
+	err = ionic_watchdog_init(ionic);
+	if (err)
+		return err;
 
 	idev->db_pages = bar->vaddr;
 	idev->phy_db_pages = bar->bus_addr;
@@ -161,6 +173,7 @@ void ionic_dev_teardown(struct ionic *ionic)
 	idev->phy_cmb_pages = 0;
 	idev->cmb_npages = 0;
 
+	destroy_workqueue(ionic->wq);
 	mutex_destroy(&idev->cmb_inuse_lock);
 }
 
@@ -273,7 +286,7 @@ do_check_time:
 			if (work) {
 				work->type = IONIC_DW_TYPE_LIF_RESET;
 				work->fw_status = fw_status_ready;
-				ionic_lif_deferred_enqueue(&lif->deferred, work);
+				ionic_lif_deferred_enqueue(lif, work);
 			}
 		}
 	}
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 46cb143b5941..2882517f26fb 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -126,13 +126,13 @@ static void ionic_lif_deferred_work(struct work_struct *work)
 	} while (true);
 }
 
-void ionic_lif_deferred_enqueue(struct ionic_deferred *def,
+void ionic_lif_deferred_enqueue(struct ionic_lif *lif,
 				struct ionic_deferred_work *work)
 {
-	spin_lock_bh(&def->lock);
-	list_add_tail(&work->list, &def->list);
-	spin_unlock_bh(&def->lock);
-	schedule_work(&def->work);
+	spin_lock_bh(&lif->deferred.lock);
+	list_add_tail(&work->list, &lif->deferred.list);
+	spin_unlock_bh(&lif->deferred.lock);
+	queue_work(lif->ionic->wq, &lif->deferred.work);
 }
 
 static void ionic_link_status_check(struct ionic_lif *lif)
@@ -207,7 +207,7 @@ void ionic_link_status_check_request(struct ionic_lif *lif, bool can_sleep)
 		}
 
 		work->type = IONIC_DW_TYPE_LINK_STATUS;
-		ionic_lif_deferred_enqueue(&lif->deferred, work);
+		ionic_lif_deferred_enqueue(lif, work);
 	} else {
 		ionic_link_status_check(lif);
 	}
@@ -1389,7 +1389,7 @@ static void ionic_ndo_set_rx_mode(struct net_device *netdev)
 	}
 	work->type = IONIC_DW_TYPE_RX_MODE;
 	netdev_dbg(lif->netdev, "deferred: rx_mode\n");
-	ionic_lif_deferred_enqueue(&lif->deferred, work);
+	ionic_lif_deferred_enqueue(lif, work);
 }
 
 static __le64 ionic_netdev_features_to_nic(netdev_features_t features)
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index a029206c0bc8..e4a5ae70793e 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -331,7 +331,7 @@ static inline bool ionic_txq_hwstamp_enabled(struct ionic_queue *q)
 void ionic_link_status_check_request(struct ionic_lif *lif, bool can_sleep);
 void ionic_get_stats64(struct net_device *netdev,
 		       struct rtnl_link_stats64 *ns);
-void ionic_lif_deferred_enqueue(struct ionic_deferred *def,
+void ionic_lif_deferred_enqueue(struct ionic_lif *lif,
 				struct ionic_deferred_work *work);
 int ionic_lif_alloc(struct ionic *ionic);
 int ionic_lif_init(struct ionic_lif *lif);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index c1259324b0be..0f817c3f92d8 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -287,7 +287,7 @@ bool ionic_notifyq_service(struct ionic_cq *cq)
 				clear_bit(IONIC_LIF_F_FW_STOPPING, lif->state);
 			} else {
 				work->type = IONIC_DW_TYPE_LIF_RESET;
-				ionic_lif_deferred_enqueue(&lif->deferred, work);
+				ionic_lif_deferred_enqueue(lif, work);
 			}
 		}
 		break;