qlcnic: helper routine to handle async events

Create a helper routine to handle async events, as it is being called
from multiple places

Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
index ed52b9c..5b8749e 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h
@@ -135,6 +135,7 @@
 
 #define QLCNIC_MBX_RSP_OK	1
 #define QLCNIC_MBX_PORT_RSP_OK	0x1a
+#define QLCNIC_MBX_ASYNC_EVENT	BIT_15
 
 struct qlcnic_pci_info;
 struct qlcnic_info;