[S390] usage of s390dbf: shrink number of debug areas to use.

Signed-off-by: Peter Tiedemann <ptiedem@de.ibm.com>
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 11f632f..60590a1 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -64,17 +64,17 @@
  */
 static int __init cio_debug_init(void)
 {
-	cio_debug_msg_id = debug_register("cio_msg", 16, 4, 16 * sizeof(long));
+	cio_debug_msg_id = debug_register("cio_msg", 16, 1, 16 * sizeof(long));
 	if (!cio_debug_msg_id)
 		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, 16);
+	cio_debug_trace_id = debug_register("cio_trace", 16, 1, 16);
 	if (!cio_debug_trace_id)
 		goto out_unregister;
 	debug_register_view(cio_debug_trace_id, &debug_hex_ascii_view);
 	debug_set_level(cio_debug_trace_id, 2);
-	cio_debug_crw_id = debug_register("cio_crw", 16, 4, 16 * sizeof(long));
+	cio_debug_crw_id = debug_register("cio_crw", 16, 1, 16 * sizeof(long));
 	if (!cio_debug_crw_id)
 		goto out_unregister;
 	debug_register_view(cio_debug_crw_id, &debug_sprintf_view);