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Commit 668abc72 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Mark Brown
Browse files

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: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b787f68c

drivers/base/regmap/regmap.c

+12 −0
Original line number Diff line number Diff line
@@ -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)

{

include/linux/regmap.h

+7 −0
Original line number Diff line number Diff line
@@ -433,6 +433,7 @@ int regmap_update_bits_check_async(struct regmap *map, unsigned int reg, 
				   unsigned int mask, unsigned int val,

				   bool *change);

int regmap_get_val_bytes(struct regmap *map);

int regmap_get_max_register(struct regmap *map);

int regmap_async_complete(struct regmap *map);

bool regmap_can_raw_write(struct regmap *map);
@@ -676,6 +677,12 @@ static inline int regmap_get_val_bytes(struct regmap *map) 
	return -EINVAL;

}



static inline int regmap_get_max_register(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");