From: Fabio Estevam <fabio.este...@nxp.com>

Commit 9b947a13e7f6 ("regmap: use debugfs even when no device")
allows the usage of regmap debugfs even when there is no device
associated, which causes several warnings like this:

(NULL device *): Failed to create debugfs directory

Do not print the warning in the case there is no associated device. 

Signed-off-by: Fabio Estevam <fabio.este...@nxp.com>
---
 drivers/base/regmap/regmap-debugfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/base/regmap/regmap-debugfs.c 
b/drivers/base/regmap/regmap-debugfs.c
index 7eb512b..db6141f 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -575,7 +575,9 @@ void regmap_debugfs_init(struct regmap *map, const char 
*name)
 
        map->debugfs = debugfs_create_dir(name, regmap_debugfs_root);
        if (!map->debugfs) {
-               dev_warn(map->dev, "Failed to create debugfs directory\n");
+               if (map->dev)
+                       dev_warn(map->dev,
+                                "Failed to create debugfs directory\n");
                return;
        }
 
-- 
2.7.4

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