regmap: use debugfs even when no device

This registers regmaps with debugfs even when they do not have an
associated device. For example, this is common for syscon regmaps.

Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index ee302cc..f5fa1dd 100644 (file)
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -1116,6 +1116,8 @@ skip_format_initialization:
                ret = regmap_attach_dev(dev, map, config);
                if (ret != 0)
                        goto err_regcache;
+       } else {
+               regmap_debugfs_init(map, config->name);
        }
 
        return map;