--- xnu/xnu-1504.9.26/iokit/Kernel/IOKitDebug.cpp
+++ xnu/xnu-1228/iokit/Kernel/IOKitDebug.cpp
@@ -62,11 +62,6 @@
 
 extern "C" {
 
-#if 0
-#define DEBG(fmt, args...)   { kprintf(fmt, ## args); }
-#else
-#define DEBG(fmt, args...)   { IOLog(fmt, ## args); }
-#endif
 
 void IOPrintPlane( const IORegistryPlane * plane )
 {
@@ -80,23 +75,23 @@
     assert( iter );
     all = iter->iterateAll();
     if( all) {
-        DEBG("Count %d\n", all->getCount() );
+        IOLog("Count %d\n", all->getCount() );
         all->release();
     } else
-	DEBG("Empty\n");
+	IOLog("Empty\n");
 
     iter->reset();
     while( (next = iter->getNextObjectRecursive())) {
 	snprintf(format + 1, sizeof(format) - 1, "%ds", 2 * next->getDepth( plane ));
-	DEBG( format, "");
-	DEBG( "\033[33m%s", next->getName( plane ));
+	IOLog( format, "");
+	IOLog( "\033[33m%s", next->getName( plane ));
 	if( (next->getLocation( plane )))
-            DEBG("@%s", next->getLocation( plane ));
-	DEBG("\033[0m <class %s", next->getMetaClass()->getClassName());
+            IOLog("@%s", next->getLocation( plane ));
+	IOLog("\033[0m <class %s", next->getMetaClass()->getClassName());
         if( (service = OSDynamicCast(IOService, next)))
-            DEBG(", busy %ld", (long) service->getBusyState());
-	DEBG( ">\n");
-//	IOSleep(250);
+            IOLog(", busy %ld", service->getBusyState());
+	IOLog( ">\n");
+	IOSleep(250);
     }
     iter->release();
 }