2 files changed, 31 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index 780a38731bcc..ebfd17776b53 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -2145,6 +2145,7 @@ struct ql_adapter {
 	struct completion ide_completion;
 	struct nic_operations *nic_ops;
 	u16 device_id;
+	struct timer_list timer;
 	atomic_t lb_count;
 };
 
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 7e000295f359..87a40d168b36 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -4574,6 +4574,21 @@ static const struct net_device_ops qlge_netdev_ops = {
 	.ndo_vlan_rx_kill_vid	= qlge_vlan_rx_kill_vid,
 };
 
+static void ql_timer(unsigned long data)
+{
+	struct ql_adapter *qdev = (struct ql_adapter *)data;
+	u32 var = 0;
+
+	var = ql_read32(qdev, STS);
+	if (pci_channel_offline(qdev->pdev)) {
+		QPRINTK(qdev, IFUP, ERR, "EEH STS = 0x%.08x.\n", var);
+		return;
+	}
+
+	qdev->timer.expires = jiffies + (5*HZ);
+	add_timer(&qdev->timer);
+}
+
 static int __devinit qlge_probe(struct pci_dev *pdev,
 				const struct pci_device_id *pci_entry)
 {
@@ -4625,6 +4640,14 @@ static int __devinit qlge_probe(struct pci_dev *pdev,
 		pci_disable_device(pdev);
 		return err;
 	}
+	/* Start up the timer to trigger EEH if
+	 * the bus goes dead
+	 */
+	init_timer_deferrable(&qdev->timer);
+	qdev->timer.data = (unsigned long)qdev;
+	qdev->timer.function = ql_timer;
+	qdev->timer.expires = jiffies + (5*HZ);
+	add_timer(&qdev->timer);
 	ql_link_off(qdev);
 	ql_display_dev_info(ndev);
 	atomic_set(&qdev->lb_count, 0);
@@ -4645,6 +4668,8 @@ int ql_clean_lb_rx_ring(struct rx_ring *rx_ring, int budget)
 static void __devexit qlge_remove(struct pci_dev *pdev)
 {
 	struct net_device *ndev = pci_get_drvdata(pdev);
+	struct ql_adapter *qdev = netdev_priv(ndev);
+	del_timer_sync(&qdev->timer);
 	unregister_netdev(ndev);
 	ql_release_all(pdev);
 	pci_disable_device(pdev);
@@ -4757,6 +4782,8 @@ static void qlge_io_resume(struct pci_dev *pdev)
 		QPRINTK(qdev, IFUP, ERR,
 			"Device was not running prior to EEH.\n");
 	}
+	qdev->timer.expires = jiffies + (5*HZ);
+	add_timer(&qdev->timer);
 	netif_device_attach(ndev);
 }
 
@@ -4773,6 +4800,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
 	int err;
 
 	netif_device_detach(ndev);
+	del_timer_sync(&qdev->timer);
 
 	if (netif_running(ndev)) {
 		err = ql_adapter_down(qdev);
@@ -4817,6 +4845,8 @@ static int qlge_resume(struct pci_dev *pdev)
 			return err;
 	}
 
+	qdev->timer.expires = jiffies + (5*HZ);
+	add_timer(&qdev->timer);
 	netif_device_attach(ndev);
 
 	return 0;