--- src/sys/sys/bus_private.h	2006/05/21 03:43:47	1.8
+++ src/sys/sys/bus_private.h	2007/05/01 00:05:18	1.9
@@ -125,6 +125,7 @@ struct device {
 #define DF_QUIET	0x0010		/* don't print verbose attach message */
 #define DF_DONENOMATCH	0x0020		/* don't execute DEVICE_NOMATCH again */
 #define DF_EXTERNALSOFTC 0x0040		/* softc not allocated by us */
+#define DF_ASYNCPROBE	0x0080		/* can be probed with its own thread */
 	u_char		order;		/* order from device_add_child_ordered() */
 	u_char		pad;
 #ifdef DEVICE_SYSCTLS