diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-03-24 20:48:21 +0000 |
|---|---|---|
| committer | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-04-07 10:54:00 +0100 |
| commit | b253619d37a712d19086ae60a7f997c61839c4f6 (patch) | |
| tree | 18a3c4cc42c22d97768cfdb500d7ef808a4814f8 /drivers/base | |
| parent | f22e6e847115abc3a0e2ad7bb18d243d42275af1 (diff) | |
regmap: Introduce regmap_get_max_register.
This patch introduces regmap_get_max_register() function which would be
used by the infrastructures like eeprom framework built on top of
regmap.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/regmap/regmap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index dbfe6a69c3da..70273c05350e 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -2613,6 +2613,18 @@ int regmap_get_val_bytes(struct regmap *map) } EXPORT_SYMBOL_GPL(regmap_get_val_bytes); +/* + * regmap_get_max_register(): Report the max register value + * + * Report the max register value, mainly intended to for use by + * generic infrastructure built on top of regmap. + */ +int regmap_get_max_register(struct regmap *map) +{ + return map->max_register ? : -EINVAL; +} +EXPORT_SYMBOL_GPL(regmap_get_max_register); + int regmap_parse_val(struct regmap *map, const void *buf, unsigned int *val) { |