dm9000: define debug level as a module parameter
This change allows to get driver specific debug messages output
providing a module parameter. As far as the maximum level of verbosity
is too high, it is demoted by default.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 24d61e1..438f458 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -56,6 +56,13 @@
module_param(watchdog, int, 0400);
MODULE_PARM_DESC(watchdog, "transmit timeout in milliseconds");
+/*
+ * Debug messages level
+ */
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "dm9000 debug level (0-4)");
+
/* DM9000 register address locking.
*
* The DM9000 uses an address register to control where data written
@@ -103,7 +110,6 @@
unsigned int flags;
unsigned int in_suspend :1;
unsigned int wake_supported :1;
- int debug_level;
enum dm9000_type type;
@@ -138,8 +144,7 @@
/* debug code */
#define dm9000_dbg(db, lev, msg...) do { \
- if ((lev) < CONFIG_DM9000_DEBUGLEVEL && \
- (lev) < db->debug_level) { \
+ if ((lev) < debug) { \
dev_dbg(db->dev, msg); \
} \
} while (0)