[AGPGART] Move debugging macros to header so they can be used in other parts of agpgart.

drivers/char/agp/agp.h

@@ -30,10 +30,17 @@
 
 #include <asm/agp.h>	/* for flush_agp_cache() */
 
-extern struct agp_bridge_data *agp_bridge;
-
 #define PFX "agpgart: "
 
+//#define AGP_DEBUG 1
+#ifdef AGP_DEBUG
+#define DBG(x,y...) printk (KERN_DEBUG PFX ": %s: " x "\n", __FUNCTION__ , ## y)
+#else
+#define DBG(x,y...) do { } while (0)
+#endif
+
+extern struct agp_bridge_data *agp_bridge;
+
 enum aper_size_type {
 	U8_APER_SIZE,
 	U16_APER_SIZE,

drivers/char/agp/frontend.c

@@ -40,14 +40,6 @@
 #include <asm/pgtable.h>
 #include "agp.h"
 
-//#define DEBUG
-
-#ifdef DEBUG
-#define DBG(x,y...) printk (KERN_DEBUG "agpgart: %s: " x "\n", __FUNCTION__ , ## y)
-#else
-#define DBG(x,y...) do { } while (0)
-#endif
-
 static struct agp_front_data agp_fe;
 
 static agp_memory *agp_find_mem_by_key(int key)