diff --git a/include/asm-s390/ccwdev.h b/include/asm-s390/ccwdev.h
index 6795ece..4c2e171 100644
--- a/include/asm-s390/ccwdev.h
+++ b/include/asm-s390/ccwdev.h
@@ -16,6 +16,7 @@
 /* structs from asm/cio.h */
 struct irb;
 struct ccw1;
+struct ccw_dev_id;
 
 /* simplified initializers for struct ccw_device:
  * CCW_DEVICE and CCW_DEVICE_DEVTYPE initialize one
@@ -175,6 +176,7 @@
 
 extern struct ciw *ccw_device_get_ciw(struct ccw_device *, __u32 cmd);
 extern __u8 ccw_device_get_path_mask(struct ccw_device *);
+extern void ccw_device_get_id(struct ccw_device *, struct ccw_dev_id *);
 
 #define get_ccwdev_lock(x) (x)->ccwlock
 
@@ -184,7 +186,6 @@
 extern struct ccw_device *ccw_device_probe_console(void);
 
 // FIXME: these have to go
-extern int _ccw_device_get_device_number(struct ccw_device *);
 extern int _ccw_device_get_subchannel_number(struct ccw_device *);
 
 extern void *ccw_device_get_chp_desc(struct ccw_device *, int);