1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index cbb86fa5f293..5b20d8c9c025 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -67,7 +67,7 @@ cio_debug_init (void)
                 goto out_unregister;
         debug_register_view (cio_debug_msg_id, &debug_sprintf_view);
         debug_set_level (cio_debug_msg_id, 2);
-        cio_debug_trace_id = debug_register ("cio_trace", 16, 4, 8);
+        cio_debug_trace_id = debug_register ("cio_trace", 16, 4, 16);
         if (!cio_debug_trace_id)
                 goto out_unregister;
         debug_register_view (cio_debug_trace_id, &debug_hex_ascii_view);