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| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2015-05-21 17:42:43 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-05-22 12:19:18 +0100 |
| commit | 668abc729fcb9d034eccadf63166d2c76cd645d1 (patch) | |
| tree | 600b49220d650e05eda81702ae08b6a838f94f9f /drivers | |
| parent | b787f68c36d49bb1d9236f403813641efa74a031 (diff) | |
| download | talos-op-linux-668abc729fcb9d034eccadf63166d2c76cd645d1.tar.gz talos-op-linux-668abc729fcb9d034eccadf63166d2c76cd645d1.zip | |
regmap: Introduce regmap_get_max_register
This patch introduces regmap_get_max_register() function which would be
used by the infrastructures like nvmem framework built on top of
regmap.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers')
| -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 6273ff072f3e..d6c84047b957 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 ? map->max_register : -EINVAL; +} +EXPORT_SYMBOL_GPL(regmap_get_max_register); + int regmap_parse_val(struct regmap *map, const void *buf, unsigned int *val) { |
