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>

1 files changed, 8 insertions, 3 deletions

diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 24d61e14f9cd..438f4580bf66 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -56,6 +56,13 @@ static int watchdog = 5000;
 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 @@ typedef struct board_info {
         unsigned int    flags;
         unsigned int    in_suspend :1;
         unsigned int    wake_supported :1;
-        int             debug_level;
 
         enum dm9000_type type;
 
@@ -138,8 +144,7 @@ typedef struct board_info {
 /* 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)