diff options
| -rw-r--r-- | drivers/base/regmap/regmap.c | 15 | ||||
| -rw-r--r-- | include/linux/regmap.h | 1 |
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 9174c9d..9ab1e1f 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1097,6 +1097,17 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, return ret; } +/** + * regmap_can_raw_write - Test if regmap_raw_write() is supported + * + * @map: Map to check. + */ +bool regmap_can_raw_write(struct regmap *map) +{ + return map->bus && map->format.format_val && map->format.format_reg; +} +EXPORT_SYMBOL_GPL(regmap_can_raw_write); + static int _regmap_bus_formatted_write(void *context, unsigned int reg, unsigned int val) { @@ -1220,12 +1231,10 @@ int regmap_raw_write(struct regmap *map, unsigned int reg, { int ret; - if (!map->bus) + if (!regmap_can_raw_write(map)) return -EINVAL; if (val_len % map->format.val_bytes) return -EINVAL; - if (reg % map->reg_stride) - return -EINVAL; map->lock(map->lock_arg); diff --git a/include/linux/regmap.h b/include/linux/regmap.h index bf77dfd..02d84e2 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -389,6 +389,7 @@ int regmap_update_bits_check(struct regmap *map, unsigned int reg, bool *change); int regmap_get_val_bytes(struct regmap *map); int regmap_async_complete(struct regmap *map); +bool regmap_can_raw_write(struct regmap *map); int regcache_sync(struct regmap *map); int regcache_sync_region(struct regmap *map, unsigned int min, |
