1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index d687df6ebdb0..6d93e49c462f 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -111,8 +111,8 @@ int regcache_init(struct regmap *map, const struct regmap_config *config)
         map->num_reg_defaults = config->num_reg_defaults;
         map->num_reg_defaults_raw = config->num_reg_defaults_raw;
         map->reg_defaults_raw = config->reg_defaults_raw;
-        map->cache_size_raw = (config->val_bits / 8) * config->num_reg_defaults_raw;
-        map->cache_word_size = config->val_bits / 8;
+        map->cache_word_size = DIV_ROUND_UP(config->val_bits, 8);
+        map->cache_size_raw = map->cache_word_size * config->num_reg_defaults_raw;
 
         map->cache = NULL;
         map->cache_ops = cache_types[i];