Merge tag 'regmap-v3.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie...

[karo-tx-linux.git] / drivers / base / regmap / regmap-debugfs.c

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 45d812c0ea7751868d3d14d7691da6f74493b54a..0c94b661c16f87da22f1ed90a0c1d3512bcaf69e 100644 (file)
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -512,7 +512,14 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
                            map, &regmap_reg_ranges_fops);
 
        if (map->max_register || regmap_readable(map, 0)) {
-               debugfs_create_file("registers", 0400, map->debugfs,
+               umode_t registers_mode;
+
+               if (IS_ENABLED(REGMAP_ALLOW_WRITE_DEBUGFS))
+                       registers_mode = 0600;
+               else
+                       registers_mode = 0400;
+
+               debugfs_create_file("registers", registers_mode, map->debugfs,
                                    map, &regmap_map_fops);
                debugfs_create_file("access", 0400, map->debugfs,
                                    map, &regmap_access_fops);
@@ -538,6 +545,9 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
 
                next = rb_next(&range_node->node);
        }
+
+       if (map->cache_ops && map->cache_ops->debugfs_init)
+               map->cache_ops->debugfs_init(map);
 }
 
 void regmap_debugfs_exit(struct regmap *map)