diff --git a/lib/libdevinfo/devinfo.h b/lib/libdevinfo/devinfo.h
index 91930a44008c..3e580f20d502 100644
--- a/lib/libdevinfo/devinfo.h
+++ b/lib/libdevinfo/devinfo.h
@@ -41,10 +41,10 @@ typedef __uintptr_t	devinfo_handle_t;
  */
 /* XXX not sure if I want a copy here, or expose sys/bus.h */
 typedef enum devinfo_state {
-	DIS_NOTPRESENT,			/* not probed or probe failed */
-	DIS_ALIVE,			/* probe succeeded */
-	DIS_ATTACHED,			/* attach method called */
-	DIS_BUSY			/* device is open */
+	DIS_NOTPRESENT = 10,		/* not probed or probe failed */
+	DIS_ALIVE = 20,			/* probe succeeded */
+	DIS_ATTACHED = 30,		/* attach method called */
+	DIS_BUSY = 40			/* device is open */
 } devinfo_state_t;
 
 struct devinfo_dev {
diff --git a/sys/sys/bus.h b/sys/sys/bus.h
index 2362041dad26..794dc47a8f13 100644
--- a/sys/sys/bus.h
+++ b/sys/sys/bus.h
@@ -50,10 +50,10 @@ struct u_businfo {
  * @brief State of the device.
  */
 typedef enum device_state {
-	DS_NOTPRESENT,			/**< @brief not probed or probe failed */
-	DS_ALIVE,			/**< @brief probe succeeded */
-	DS_ATTACHED,			/**< @brief attach method called */
-	DS_BUSY				/**< @brief device is open */
+	DS_NOTPRESENT = 10,		/**< @brief not probed or probe failed */
+	DS_ALIVE = 20,			/**< @brief probe succeeded */
+	DS_ATTACHED = 30,		/**< @brief attach method called */
+	DS_BUSY = 40			/**< @brief device is open */
 } device_state_t;
 
 /**