-#define TRACE_MODULE 0x0001
-#define TRACE_PROBE 0x0002
-#define TRACE_OPEN 0x0004
-#define TRACE_READ 0x0008
-#define TRACE_MEMORY 0x0010
-#define TRACE_FLOW 0x0020
-#define TRACE_SIZE 0x0040
-#define TRACE_PWCX 0x0080
-#define TRACE_SEQUENCE 0x1000
-
-#define Trace(R, A...) if (pwc_trace & R) printk(KERN_DEBUG PWC_NAME " " A)
-#define Debug(A...) printk(KERN_DEBUG PWC_NAME " " A)
-#define Info(A...) printk(KERN_INFO PWC_NAME " " A)
-#define Err(A...) printk(KERN_ERR PWC_NAME " " A)
+#define PWC_DEBUG_LEVEL_MODULE (1<<0)
+#define PWC_DEBUG_LEVEL_PROBE (1<<1)
+#define PWC_DEBUG_LEVEL_OPEN (1<<2)
+#define PWC_DEBUG_LEVEL_READ (1<<3)
+#define PWC_DEBUG_LEVEL_MEMORY (1<<4)
+#define PWC_DEBUG_LEVEL_FLOW (1<<5)
+#define PWC_DEBUG_LEVEL_SIZE (1<<6)
+#define PWC_DEBUG_LEVEL_IOCTL (1<<7)
+#define PWC_DEBUG_LEVEL_TRACE (1<<8)
+
+#define PWC_DEBUG_MODULE(fmt, args...) PWC_DEBUG(MODULE, fmt, ##args)
+#define PWC_DEBUG_PROBE(fmt, args...) PWC_DEBUG(PROBE, fmt, ##args)
+#define PWC_DEBUG_OPEN(fmt, args...) PWC_DEBUG(OPEN, fmt, ##args)
+#define PWC_DEBUG_READ(fmt, args...) PWC_DEBUG(READ, fmt, ##args)
+#define PWC_DEBUG_MEMORY(fmt, args...) PWC_DEBUG(MEMORY, fmt, ##args)
+#define PWC_DEBUG_FLOW(fmt, args...) PWC_DEBUG(FLOW, fmt, ##args)
+#define PWC_DEBUG_SIZE(fmt, args...) PWC_DEBUG(SIZE, fmt, ##args)
+#define PWC_DEBUG_IOCTL(fmt, args...) PWC_DEBUG(IOCTL, fmt, ##args)
+#define PWC_DEBUG_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
+
+
+#if CONFIG_PWC_DEBUG
+
+#define PWC_DEBUG_LEVEL (PWC_DEBUG_LEVEL_MODULE)
+
+#define PWC_DEBUG(level, fmt, args...) do {\
+ if ((PWC_DEBUG_LEVEL_ ##level) & pwc_trace) \
+ printk(KERN_DEBUG PFX fmt, ##args); \
+ } while(0)
+
+#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args)
+#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args)
+#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args)
+#define PWC_TRACE(fmt, args...) PWC_DEBUG(TRACE, fmt, ##args)
+
+#else /* if ! CONFIG_PWC_DEBUG */
+
+#define PWC_ERROR(fmt, args...) printk(KERN_ERR PFX fmt, ##args)
+#define PWC_WARNING(fmt, args...) printk(KERN_WARNING PFX fmt, ##args)
+#define PWC_INFO(fmt, args...) printk(KERN_INFO PFX fmt, ##args)
+#define PWC_TRACE(fmt, args...) do { } while(0)
+#define PWC_DEBUG(level, fmt, args...) do { } while(0)
+
+#define pwc_trace 0