netxen: Fix link event handling.

o Poll for the link events only if firmware doesn't have capability
  to notify the driver for the link events.
Signed-off-by: NManish Chopra <manish.chopra@qlogic.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c

@@ -2762,7 +2762,8 @@ netxen_fw_poll_work(struct work_struct *work)
 	if (test_bit(__NX_RESETTING, &adapter->state))
 		goto reschedule;
 
-	if (test_bit(__NX_DEV_UP, &adapter->state)) {
+	if (test_bit(__NX_DEV_UP, &adapter->state) &&
+	    !(adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)) {
 		if (!adapter->has_link_events) {
 
 			netxen_nic_handle_phy_intr(adapter);