1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 7e7369b21a93..35154a210357 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -131,6 +131,8 @@ extern int cio_set_options (struct subchannel *, int);
 extern int cio_get_options (struct subchannel *);
 extern int cio_modify (struct subchannel *);
 
+int cio_create_sch_lock(struct subchannel *);
+
 /* Use with care. */
 #ifdef CONFIG_CCW_CONSOLE
 extern struct subchannel *cio_probe_console(void);