Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	net/core/dev.c

2 files changed, 21 insertions, 34 deletions

diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index ab0e5febef83..7ea48414c6cb 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -1117,8 +1117,8 @@ static void cxgb_down(struct adapter *adapter)
         spin_unlock_irq(&adapter->work_lock);
 
         free_irq_resources(adapter);
-        flush_workqueue(cxgb3_wq);      /* wait for external IRQ handler */
         quiesce_rx(adapter);
+        flush_workqueue(cxgb3_wq);      /* wait for external IRQ handler */
 }
 
 static void schedule_chk_task(struct adapter *adap)
@@ -1187,6 +1187,9 @@ static int offload_close(struct t3cdev *tdev)
 
         sysfs_remove_group(&tdev->lldev->dev.kobj, &offload_attr_group);
 
+        /* Flush work scheduled while releasing TIDs */
+        flush_scheduled_work();
+
         tdev->lldev = NULL;
         cxgb3_set_dummy_ops(tdev);
         t3_tp_set_offload_mode(adapter, 0);
@@ -1232,6 +1235,10 @@ static int cxgb_close(struct net_device *dev)
         struct port_info *pi = netdev_priv(dev);
         struct adapter *adapter = pi->adapter;
 
+        
+        if (!adapter->open_device_map)
+                return 0;
+
         /* Stop link fault interrupts */
         t3_xgm_intr_disable(adapter, pi->port_id);
         t3_read_reg(adapter, A_XGM_INT_STATUS + pi->mac.offset);
@@ -1247,8 +1254,7 @@ static int cxgb_close(struct net_device *dev)
         spin_unlock_irq(&adapter->work_lock);
 
         if (!(adapter->open_device_map & PORT_MASK))
-                cancel_rearming_delayed_workqueue(cxgb3_wq,
-                                                  &adapter->adap_check_task);
+                cancel_delayed_work_sync(&adapter->adap_check_task);
 
         if (!adapter->open_device_map)
                 cxgb_down(adapter);
@@ -2493,6 +2499,7 @@ static void check_link_status(struct adapter *adapter)
 
                 spin_lock_irq(&adapter->work_lock);
                 if (p->link_fault) {
+                        t3_link_fault(adapter, i);
                         spin_unlock_irq(&adapter->work_lock);
                         continue;
                 }
@@ -2554,9 +2561,7 @@ static void t3_adap_check_task(struct work_struct *work)
 
         adapter->check_task_cnt++;
 
-        /* Check link status for PHYs without interrupts */
-        if (p->linkpoll_period)
-                check_link_status(adapter);
+        check_link_status(adapter);
 
         /* Accumulate MAC stats if needed */
         if (!p->linkpoll_period ||
@@ -2680,21 +2685,6 @@ void t3_os_ext_intr_handler(struct adapter *adapter)
         spin_unlock(&adapter->work_lock);
 }
 
-static void link_fault_task(struct work_struct *work)
-{
-        struct adapter *adapter = container_of(work, struct adapter,
-                                               link_fault_handler_task);
-        int i;
-
-        for_each_port(adapter, i) {
-                struct net_device *netdev = adapter->port[i];
-                struct port_info *pi = netdev_priv(netdev);
-
-                if (pi->link_fault)
-                        t3_link_fault(adapter, i);
-        }
-}
-
 void t3_os_link_fault_handler(struct adapter *adapter, int port_id)
 {
         struct net_device *netdev = adapter->port[port_id];
@@ -2702,7 +2692,6 @@ void t3_os_link_fault_handler(struct adapter *adapter, int port_id)
 
         spin_lock(&adapter->work_lock);
         pi->link_fault = 1;
-        queue_work(cxgb3_wq, &adapter->link_fault_handler_task);
         spin_unlock(&adapter->work_lock);
 }
 
@@ -2838,6 +2827,9 @@ static pci_ers_result_t t3_io_error_detected(struct pci_dev *pdev,
         struct adapter *adapter = pci_get_drvdata(pdev);
         int ret;
 
+        if (state == pci_channel_io_perm_failure)
+                return PCI_ERS_RESULT_DISCONNECT;
+
         ret = t3_adapter_error(adapter, 0);
 
         /* Request a slot reset. */
@@ -2932,8 +2924,13 @@ static int __devinit cxgb_enable_msix(struct adapter *adap)
         while ((err = pci_enable_msix(adap->pdev, entries, vectors)) > 0)
                 vectors = err;
 
-        if (!err && vectors < (adap->params.nports + 1))
+        if (err < 0)
+                pci_disable_msix(adap->pdev);
+
+        if (!err && vectors < (adap->params.nports + 1)) {
+                pci_disable_msix(adap->pdev);
                 err = -1;
+        }
 
         if (!err) {
                 for (i = 0; i < vectors; ++i)
@@ -3082,7 +3079,6 @@ static int __devinit init_one(struct pci_dev *pdev,
 
         INIT_LIST_HEAD(&adapter->adapter_list);
         INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task);
-        INIT_WORK(&adapter->link_fault_handler_task, link_fault_task);
         INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task);
         INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task);
 
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 31ed31a3428b..e1bd690ff831 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1202,7 +1202,6 @@ void t3_link_changed(struct adapter *adapter, int port_id)
         struct cphy *phy = &pi->phy;
         struct cmac *mac = &pi->mac;
         struct link_config *lc = &pi->link_config;
-        int force_link_down = 0;
 
         phy->ops->get_link_status(phy, &link_ok, &speed, &duplex, &fc);
 
@@ -1218,14 +1217,9 @@ void t3_link_changed(struct adapter *adapter, int port_id)
                 status = t3_read_reg(adapter, A_XGM_INT_STATUS + mac->offset);
                 if (status & F_LINKFAULTCHANGE) {
                         mac->stats.link_faults++;
-                        force_link_down = 1;
+                        pi->link_fault = 1;
                 }
                 t3_open_rx_traffic(mac, rx_cfg, rx_hash_high, rx_hash_low);
-
-                if (force_link_down) {
-                        t3_os_link_fault_handler(adapter, port_id);
-                        return;
-                }
         }
 
         if (lc->requested_fc & PAUSE_AUTONEG)
@@ -1292,9 +1286,6 @@ void t3_link_fault(struct adapter *adapter, int port_id)
                 /* Account link faults only when the phy reports a link up */
                 if (link_ok)
                         mac->stats.link_faults++;
-
-                msleep(1000);
-                t3_os_link_fault_handler(adapter, port_id);
         } else {
                 if (link_ok)
                         t3_write_reg(adapter, A_XGM_XAUI_ACT_CTRL + mac->offset,