Change the debug macros to use the compiler to elide any
unnecessary debug level, and to allow device configurable
debug control.
Signed-off-by: Ben Dooks <[EMAIL PROTECTED]>
Index: linux-2.6.23-quilt1/drivers/net/Kconfig
===================================================================
--- linux-2.6.23-quilt1.orig/drivers/net/Kconfig
+++ linux-2.6.23-quilt1/drivers/net/Kconfig
@@ -940,6 +940,14 @@ config DM9000
<file:Documentation/networking/net-modules.txt>. The module will be
called dm9000.
+config DM9000_DEBUGLEVEL
+ int "DM9000 maximum debug level"
+ depends on DM9000
+ default 4
+ help
+ The maximum level of debugging code compiled into the DM9000
+ driver.
+
config SMC911X
tristate "SMSC LAN911[5678] support"
select CRC32
Index: linux-2.6.23-quilt1/drivers/net/dm9000.c
===================================================================
--- linux-2.6.23-quilt1.orig/drivers/net/dm9000.c
+++ linux-2.6.23-quilt1/drivers/net/dm9000.c
@@ -82,28 +82,6 @@
#define DM9000_TIMER_WUT jiffies+(HZ*2) /* timer wakeup time : 2 second
*/
-#define DM9000_DEBUG 0
-
-#if DM9000_DEBUG > 2
-#define PRINTK3(args...) printk(CARDNAME ": " args)
-#else
-#define PRINTK3(args...) do { } while(0)
-#endif
-
-#if DM9000_DEBUG > 1
-#define PRINTK2(args...) printk(CARDNAME ": " args)
-#else
-#define PRINTK2(args...) do { } while(0)
-#endif
-
-#if DM9000_DEBUG > 0
-#define PRINTK1(args...) printk(CARDNAME ": " args)
-#define PRINTK(args...) printk(CARDNAME ": " args)
-#else
-#define PRINTK1(args...) do { } while(0)
-#define PRINTK(args...) printk(KERN_DEBUG args)
-#endif
-
#ifdef CONFIG_BLACKFIN
#define readsb insb
#define readsw insw
@@ -138,6 +116,8 @@ typedef struct board_info {
u8 phy_addr;
unsigned int flags;
+ int debug_level;
+
void (*inblk)(void __iomem *port, void *data, int length);
void (*outblk)(void __iomem *port, void *data, int length);
void (*dumpblk)(void __iomem *port, int length);
@@ -159,6 +139,15 @@ typedef struct board_info {
u32 msg_enable;
} board_info_t;
+/* debug code */
+
+#define dm9000_dbg(db, lev, msg...) do { \
+ if ((lev) < CONFIG_DM9000_DEBUGLEVEL && \
+ (lev) < db->debug_level) { \
+ dev_dbg(db->dev, msg); \
+ } \
+} while (0)
+
/* function declaration ------------------------------------- */
static int dm9000_probe(struct platform_device *);
static int dm9000_open(struct net_device *);
@@ -664,7 +653,7 @@ dm9000_init_dm9000(struct net_device *de
{
board_info_t *db = (board_info_t *) dev->priv;
- PRINTK1("entering %s\n",__FUNCTION__);
+ dm9000_dbg(db, 1, "entering %s\n", __func__);
/* I/O mode */
db->io_mode = ior(db, DM9000_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */
@@ -710,7 +699,7 @@ dm9000_start_xmit(struct sk_buff *skb, s
unsigned long flags;
board_info_t *db = (board_info_t *) dev->priv;
- PRINTK3("dm9000_start_xmit\n");
+ dm9000_dbg(db, 3, "%s:\n", __func__);
if (db->tx_pkt_cnt > 1)
return 1;
@@ -769,7 +758,7 @@ dm9000_stop(struct net_device *ndev)
{
board_info_t *db = (board_info_t *) ndev->priv;
- PRINTK1("entering %s\n",__FUNCTION__);
+ dm9000_dbg(db, 1, "entering %s\n", __func__);
/* deleted timer */
del_timer(&db->timer);
@@ -815,19 +804,14 @@ static irqreturn_t
dm9000_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
- board_info_t *db;
+ board_info_t *db = (board_info_t *) dev->priv;
int int_status;
u8 reg_save;
- PRINTK3("entering %s\n",__FUNCTION__);
-
- if (!dev) {
- PRINTK1("dm9000_interrupt() without DEVICE arg\n");
- return IRQ_HANDLED;
- }
+ dm9000_dbg(db, 3, "entering %s\n", __func__);
/* A real interrupt coming */
- db = (board_info_t *) dev->priv;
+
spin_lock(&db->lock);
/* Save previous register address */
@@ -880,7 +864,7 @@ dm9000_timer(unsigned long data)
struct net_device *dev = (struct net_device *) data;
board_info_t *db = (board_info_t *) dev->priv;
- PRINTK3("dm9000_timer()\n");
+ dm9000_dbg(db, 3, "entering %s\n", __func__);
mii_check_media(&db->mii, netif_msg_link(db), 0);
@@ -1065,7 +1049,7 @@ dm9000_hash_table(struct net_device *dev
u16 i, oft, hash_table[4];
unsigned long flags;
- PRINTK2("dm9000_hash_table()\n");
+ dm9000_dbg(db, 1, "entering %s\n", __func__);
spin_lock_irqsave(&db->lock,flags);
--
Ben ([EMAIL PROTECTED], http://www.fluff.org/)
'a smiley only costs 4 bytes'
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