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path: root/drivers/net/ethernet/intel/i40evf/i40evf_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/i40evf/i40evf_main.c')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index f946aac1df71..8d8c201c63c1 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -1631,7 +1631,7 @@ static void i40evf_adminq_task(struct work_struct *work)
v_msg = (struct i40e_virtchnl_msg *)&event.desc;
do {
ret = i40evf_clean_arq_element(hw, &event, &pending);
- if (ret)
+ if (ret || !v_msg->v_opcode)
break; /* No event to process or error cleaning ARQ */
i40evf_virtchnl_completion(adapter, v_msg->v_opcode,
@@ -2213,12 +2213,18 @@ err:
static void i40evf_shutdown(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
+ struct i40evf_adapter *adapter = netdev_priv(netdev);
netif_device_detach(netdev);
if (netif_running(netdev))
i40evf_close(netdev);
+ /* Prevent the watchdog from running. */
+ adapter->state = __I40EVF_REMOVE;
+ adapter->aq_required = 0;
+ adapter->aq_pending = 0;
+
#ifdef CONFIG_PM
pci_save_state(pdev);
@@ -2423,7 +2429,6 @@ static void i40evf_remove(struct pci_dev *pdev)
struct i40evf_adapter *adapter = netdev_priv(netdev);
struct i40evf_mac_filter *f, *ftmp;
struct i40e_hw *hw = &adapter->hw;
- int count = 50;
cancel_delayed_work_sync(&adapter->init_task);
cancel_work_sync(&adapter->reset_task);
@@ -2432,12 +2437,18 @@ static void i40evf_remove(struct pci_dev *pdev)
unregister_netdev(netdev);
adapter->netdev_registered = false;
}
- while (count-- && adapter->aq_required)
- msleep(50);
- if (count < 0)
- dev_err(&pdev->dev, "Timed out waiting for PF driver.\n");
+ /* Shut down all the garbage mashers on the detention level */
adapter->state = __I40EVF_REMOVE;
+ adapter->aq_required = 0;
+ adapter->aq_pending = 0;
+ i40evf_request_reset(adapter);
+ msleep(20);
+ /* If the FW isn't responding, kick it once, but only once. */
+ if (!i40evf_asq_done(hw)) {
+ i40evf_request_reset(adapter);
+ msleep(20);
+ }
if (adapter->msix_entries) {
i40evf_misc_irq_disable(adapter);