qlcnic: add interrupt diagnostic test

Interrupt test (offline) added in ethtool self test.
Register a temporary interrupt handler and then send command to fw
to raise an interrupt.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/qlcnic/qlcnic_ctx.c b/drivers/net/qlcnic/qlcnic_ctx.c
index 71c16a1..0a6a399 100644
--- a/drivers/net/qlcnic/qlcnic_ctx.c
+++ b/drivers/net/qlcnic/qlcnic_ctx.c
@@ -24,8 +24,6 @@
 
 #include "qlcnic.h"
 
-#define QLCHAL_VERSION	1
-
 static u32
 qlcnic_poll_rsp(struct qlcnic_adapter *adapter)
 {
@@ -45,7 +43,7 @@
 	return rsp;
 }
 
-static u32
+u32
 qlcnic_issue_cmd(struct qlcnic_adapter *adapter,
 	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
 {