octeon_ep: initialise control mbox tasks before using APIs

Initialise various workqueue tasks and queue interrupt poll task
before the first invocation of any control net APIs. Since
octep_ctrl_net_get_info was called before the control net receive
work task was initialised or even the interrupt poll task was
queued, the function call wasn't returning actual firmware
info queried from Octeon.

Fixes: 8d6198a ("octeon_ep: support to fetch firmware info")
Signed-off-by: Shinas Rasheed <[email protected]>
Reviewed-by: Michal Schmidt <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: shinas-marvell

drivers/net/ethernet/marvell/octeon_ep/octep_main.c

@@ -1193,6 +1193,13 @@ int octep_device_setup(struct octep_device *oct)
 	if (ret)
 		return ret;
 
+	INIT_WORK(&oct->tx_timeout_task, octep_tx_timeout_task);
+	INIT_WORK(&oct->ctrl_mbox_task, octep_ctrl_mbox_task);
+	INIT_DELAYED_WORK(&oct->intr_poll_task, octep_intr_poll_task);
+	oct->poll_non_ioq_intr = true;
+	queue_delayed_work(octep_wq, &oct->intr_poll_task,
+			   msecs_to_jiffies(OCTEP_INTR_POLL_TIME_MSECS));
+
 	atomic_set(&oct->hb_miss_cnt, 0);
 	INIT_DELAYED_WORK(&oct->hb_task, octep_hb_timeout_task);
 
@@ -1325,21 +1332,18 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_octep_config;
 	}
 
-	octep_ctrl_net_get_info(octep_dev, OCTEP_CTRL_NET_INVALID_VFID,
-				&octep_dev->conf->fw_info);
+	err = octep_ctrl_net_get_info(octep_dev, OCTEP_CTRL_NET_INVALID_VFID,
+				      &octep_dev->conf->fw_info);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to get firmware info\n");
+		goto register_dev_err;
+	}
 	dev_info(&octep_dev->pdev->dev, "Heartbeat interval %u msecs Heartbeat miss count %u\n",
 		 octep_dev->conf->fw_info.hb_interval,
 		 octep_dev->conf->fw_info.hb_miss_count);
 	queue_delayed_work(octep_wq, &octep_dev->hb_task,
 			   msecs_to_jiffies(octep_dev->conf->fw_info.hb_interval));
 
-	INIT_WORK(&octep_dev->tx_timeout_task, octep_tx_timeout_task);
-	INIT_WORK(&octep_dev->ctrl_mbox_task, octep_ctrl_mbox_task);
-	INIT_DELAYED_WORK(&octep_dev->intr_poll_task, octep_intr_poll_task);
-	octep_dev->poll_non_ioq_intr = true;
-	queue_delayed_work(octep_wq, &octep_dev->intr_poll_task,
-			   msecs_to_jiffies(OCTEP_INTR_POLL_TIME_MSECS));
-
 	netdev->netdev_ops = &octep_netdev_ops;
 	octep_set_ethtool_ops(netdev);
 	netif_carrier_off(netdev);