regmap: Reset device debugfs when reinitialising the cache

Most of the data exposed via debugfs is for or from the cache so reset
all the debugfs configuration to make sure everything is up to date with
the latest configuration, especially if we're changing cache type.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index e9c2ac0174c..2d71aeae310 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -278,6 +278,7 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
         mutex_lock(&map->lock);
 
         regcache_exit(map);
+        regmap_debugfs_exit(map);
 
         map->max_register = config->max_register;
         map->writeable_reg = config->writeable_reg;
@@ -286,6 +287,8 @@ int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
         map->precious_reg = config->precious_reg;
         map->cache_type = config->cache_type;
 
+        regmap_debugfs_init(map);
+
         ret = regcache_init(map, config);
 
         mutex_unlock(&map->lock);