diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index cbc7febe9cdcdc1c1692aa1f857276e865549953..9ec35b7a8207131366af7d20b38250872a03b583 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1325,7 +1325,10 @@ e1000_sw_init(struct e1000_adapter *adapter)
 	spin_lock_init(&adapter->tx_queue_lock);
 #endif
 
-	atomic_set(&adapter->irq_sem, 1);
+	/* Explicitly disable IRQ since the NIC can be in any state. */
+	atomic_set(&adapter->irq_sem, 0);
+	e1000_irq_disable(adapter);
+
 	spin_lock_init(&adapter->stats_lock);
 
 	set_bit(__E1000_DOWN, &adapter->flags);
@@ -1431,6 +1434,10 @@ e1000_open(struct net_device *netdev)
 	/* From here on the code is the same as e1000_up() */
 	clear_bit(__E1000_DOWN, &adapter->flags);
 
+#ifdef CONFIG_E1000_NAPI
+	netif_poll_enable(netdev);
+#endif
+
 	e1000_irq_enable(adapter);
 
 	/* fire a link status change interrupt to start the watchdog */