diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index d6c84047b957..e5eef6f1408a 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2625,6 +2625,18 @@ int regmap_get_max_register(struct regmap *map) } EXPORT_SYMBOL_GPL(regmap_get_max_register); +/** + * regmap_get_reg_stride(): Report the register address stride + * + * Report the register address stride, mainly intended to for use by + * generic infrastructure built on top of regmap. + */ +int regmap_get_reg_stride(struct regmap *map) +{ + return map->reg_stride; +} +EXPORT_SYMBOL_GPL(regmap_get_reg_stride); + int regmap_parse_val(struct regmap *map, const void *buf, unsigned int *val) { diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 2d87deda79cd..59c55ea0f0b5 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -434,6 +434,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg, bool *change); int regmap_get_val_bytes(struct regmap *map); int regmap_get_max_register(struct regmap *map); +int regmap_get_reg_stride(struct regmap *map); int regmap_async_complete(struct regmap *map); bool regmap_can_raw_write(struct regmap *map); @@ -683,6 +684,12 @@ static inline int regmap_get_max_register(struct regmap *map) return -EINVAL; } +static inline int regmap_get_reg_stride(struct regmap *map) +{ + WARN_ONCE(1, "regmap API is disabled"); + return -EINVAL; +} + static inline int regcache_sync(struct regmap *map) { WARN_ONCE(1, "regmap API is disabled");