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Commit 8817796b authored by Mark Brown's avatar Mark Brown
Browse files

regmap: cache: Provide a get address of value operation 



Provide a helper to do the size based index into a block of registers and
use it when reading a value.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 0c7ed856

drivers/base/regmap/internal.h

+7 −0
Original line number Diff line number Diff line
@@ -189,6 +189,13 @@ int regcache_write(struct regmap *map, 
			unsigned int reg, unsigned int value);

int regcache_sync(struct regmap *map);



static inline const void *regcache_get_val_addr(struct regmap *map,

						const void *base,

						unsigned int idx)

{

	return base + (map->cache_word_size * idx);

}



unsigned int regcache_get_val(struct regmap *map, const void *base,

			      unsigned int idx);

bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,

drivers/base/regmap/regcache.c

+2 −2
Original line number Diff line number Diff line
@@ -458,8 +458,8 @@ unsigned int regcache_get_val(struct regmap *map, const void *base, 


	/* Use device native format if possible */

	if (map->format.parse_val)

		return map->format.parse_val(base +

					     (map->cache_word_size * idx));

		return map->format.parse_val(regcache_get_val_addr(map, base,

								   idx));



	switch (map->cache_word_size) {

	case 1: {