diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index c5471cd6ebb7bc78f1e8e63e0d4330e37835e5ca..45d812c0ea7751868d3d14d7691da6f74493b54a 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -511,7 +511,7 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
 	debugfs_create_file("range", 0400, map->debugfs,
 			    map, &regmap_reg_ranges_fops);
 
-	if (map->max_register) {
+	if (map->max_register || regmap_readable(map, 0)) {
 		debugfs_create_file("registers", 0400, map->debugfs,
 				    map, &regmap_map_fops);
 		debugfs_create_file("access", 0400, map->debugfs,