--- zzzz-none-000/linux-2.6.19.2/drivers/usb/storage/debug.h	2007-01-10 19:10:37.000000000 +0000
+++ davinci-8020-5505/linux-2.6.19.2/drivers/usb/storage/debug.h	2007-01-19 14:42:56.000000000 +0000
@@ -56,9 +56,9 @@
 #define US_DEBUGPX(x...) printk( x )
 #define US_DEBUG(x) x 
 #else
-#define US_DEBUGP(x...)
-#define US_DEBUGPX(x...)
-#define US_DEBUG(x)
+#define US_DEBUGP(x...) do {} while (0)
+#define US_DEBUGPX(x...) do {} while (0)
+#define US_DEBUG(x) do {} while (0)
 #endif
 
 #endif