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regmap: Introduce regmap_get_reg_stride

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This patch introduces regmap_get_reg_stride() function which would
be used by the infrastructures like nvmem framework built on top of
regmap. Mostly this function would be used for sanity checks on inputs
within such infrastructure.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla
2015-05-21 17:42:54 +01:00
committed by Mark Brown
parent 668abc729f
commit a2f776cbb8
2 changed files with 19 additions and 0 deletions
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7
include/linux/regmap.h
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@@ -434,6 +434,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
bool *change);
int regmap_get_val_bytes(struct regmap *map);
int regmap_get_max_register(struct regmap *map);
int regmap_get_reg_stride(struct regmap *map);
int regmap_async_complete(struct regmap *map);
bool regmap_can_raw_write(struct regmap *map);
@@ -683,6 +684,12 @@ static inline int regmap_get_max_register(struct regmap *map)
return -EINVAL;
}
static inline int regmap_get_reg_stride(struct regmap *map)
{
WARN_ONCE(1, "regmap API is disabled");
return -EINVAL;
}
static inline int regcache_sync(struct regmap *map)
{
WARN_ONCE(1, "regmap API is disabled");