1 files changed, 21 insertions, 0 deletions

diff --git a/Documentation/s390/s390dbf.txt b/Documentation/s390/s390dbf.txt
index 0eb7c58916de..e05420973698 100644
--- a/Documentation/s390/s390dbf.txt
+++ b/Documentation/s390/s390dbf.txt
@@ -115,6 +115,27 @@ Return Value: Handle for generated debug area
 Description:  Allocates memory for a debug log     
               Must not be called within an interrupt handler 
 
+----------------------------------------------------------------------------
+debug_info_t *debug_register_mode(char *name, int pages, int nr_areas,
+                                  int buf_size, mode_t mode, uid_t uid,
+                                  gid_t gid);
+
+Parameter:    name:        Name of debug log (e.g. used for debugfs entry)
+              pages:       Number of pages, which will be allocated per area
+              nr_areas:    Number of debug areas
+              buf_size:    Size of data area in each debug entry
+              mode:        File mode for debugfs files. E.g. S_IRWXUGO
+              uid:         User ID for debugfs files. Currently only 0 is
+                           supported.
+              gid:         Group ID for debugfs files. Currently only 0 is
+                           supported.
+
+Return Value: Handle for generated debug area
+              NULL if register failed
+
+Description:  Allocates memory for a debug log
+              Must not be called within an interrupt handler
+
 ---------------------------------------------------------------------------
 void debug_unregister (debug_info_t * id);