diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 4149f1a..e97ac6c 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -386,7 +386,7 @@
 		     const void *val, size_t val_len);
 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
 			size_t val_count);
-int regmap_multi_reg_write(struct regmap *map, struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
 			int num_regs);
 int regmap_raw_write_async(struct regmap *map, unsigned int reg,
 			   const void *val, size_t val_len);