diff options
| -rw-r--r-- | drivers/base/regmap/regmap.c | 15 | ||||
| -rw-r--r-- | include/linux/regmap.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index e3ee9ca..2f7c25c 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -844,6 +844,21 @@ out: } EXPORT_SYMBOL_GPL(regmap_register_patch); +/* + * regmap_get_val_bytes(): Report the size of a register value + * + * Report the size of a register value, mainly intended to for use by + * generic infrastructure built on top of regmap. + */ +int regmap_get_val_bytes(struct regmap *map) +{ + if (map->format.format_write) + return -EINVAL; + + return map->format.val_bytes; +} +EXPORT_SYMBOL_GPL(regmap_get_val_bytes); + static int __init regmap_initcall(void) { regmap_debugfs_initcall(); diff --git a/include/linux/regmap.h b/include/linux/regmap.h index bb13efc..398377d 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -156,6 +156,7 @@ int regmap_update_bits(struct regmap *map, unsigned int reg, int regmap_update_bits_check(struct regmap *map, unsigned int reg, unsigned int mask, unsigned int val, bool *change); +int regmap_get_val_bytes(struct regmap *map); int regcache_sync(struct regmap *map); int regcache_sync_region(struct regmap *map, unsigned int min, |