regmap: Fix rbtreee build when not using debugfs

The debugfs functions don't stub themselves out quite so well as might
be desirable so provide functions which do do this stubbing.

Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 10 insertions, 1 deletions

diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index 7767cbb8d15a..32620c4f1683 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -170,6 +170,15 @@ static const struct file_operations rbtree_fops = {
         .llseek         = seq_lseek,
         .release        = single_release,
 };
+
+static void rbtree_debugfs_init(struct regmap *map)
+{
+        debugfs_create_file("rbtree", 0400, map->debugfs, map, &rbtree_fops);
+}
+#else
+static void rbtree_debugfs_init(struct regmap *map)
+{
+}
 #endif
 
 static int regcache_rbtree_init(struct regmap *map)
@@ -194,7 +203,7 @@ static int regcache_rbtree_init(struct regmap *map)
                         goto err;
         }
 
-        debugfs_create_file("rbtree", 0400, map->debugfs, map, &rbtree_fops);
+        rbtree_debugfs_init(map);
 
         return 0;