diff options
| author |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-26 21:24:20 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-27 13:03:39 +0000 |
| commit | 221ad7f2df7c54b3f05471a3599ea7368366aaeb (patch) | |
| tree | 2ca3853d0441538ebd3634c0bac564775b5ca97b /drivers/base/regmap | |
| parent | regmap: cache: Provide a get address of value operation (diff) | |
| download | linux-dev-221ad7f2df7c54b3f05471a3599ea7368366aaeb.tar.xz linux-dev-221ad7f2df7c54b3f05471a3599ea7368366aaeb.zip | |
regmap: core: Provide regmap_can_raw_write() operation
Mainly useful internally but exported since this is a public API that's
being checked for.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/base/regmap')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 9174c9d45a16..9ab1e1fedbc9 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); |