#define K_DEBUG(f, m, args...) do { if(f & m) printk(KERN_DEBUG args); } while(0)
#define DEBUG(f, args...) K_DEBUG(f, pc_debug, args)
-#define TRACE(devname) K_DEBUG(SHOW_TRACING, VERBOSE, "%s: -> " __FUNCTION__ "()\n", devname)
-
extern int pc_debug;
#define init_wds 0 /* help compiler optimize away dead code */