gigaset: announce if built with debugging

Mention in the driver load announcement whether the driver was built
with debugging messages enabled, to facilitate support.

Impact: informational message
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/isdn/gigaset/common.c

@@ -22,6 +22,12 @@
 #define DRIVER_AUTHOR "Hansjoerg Lipp <hjlipp@web.de>, Tilman Schmidt <tilman@imap.cc>, Stefan Eilers"
 #define DRIVER_DESC "Driver for Gigaset 307x"
 
+#ifdef CONFIG_GIGASET_DEBUG
+#define DRIVER_DESC_DEBUG " (debug build)"
+#else
+#define DRIVER_DESC_DEBUG ""
+#endif
+
 /* Module parameters */
 int gigaset_debuglevel = DEBUG_DEFAULT;
 EXPORT_SYMBOL_GPL(gigaset_debuglevel);
@@ -1110,7 +1116,7 @@ static int __init gigaset_init_module(void)
 	if (gigaset_debuglevel == 1)
 		gigaset_debuglevel = DEBUG_DEFAULT;
 
-	pr_info(DRIVER_DESC "\n");
+	pr_info(DRIVER_DESC DRIVER_DESC_DEBUG "\n");
 	return 0;
 }