1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index b4475d87f4a0..3c34526091da 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -167,9 +167,9 @@ struct regmap *regmap_init(struct device *dev,
 
         mutex_init(&map->lock);
         map->format.buf_size = (config->reg_bits + config->val_bits) / 8;
-        map->format.reg_bytes = config->reg_bits / 8;
+        map->format.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8);
         map->format.pad_bytes = config->pad_bits / 8;
-        map->format.val_bytes = config->val_bits / 8;
+        map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8);
         map->format.buf_size += map->format.pad_bytes;
         map->dev = dev;
         map->bus = bus;