1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 71fe380f86f6..3464c5b875c4 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -195,4 +195,5 @@ extern struct workqueue_struct *slow_path_wq;
 extern struct work_struct slow_path_work;
 
 int subchannel_add_files (struct device *);
+extern struct attribute_group *subch_attr_groups[];
 #endif