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regmap: Factor out single value register syncing

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In order to support sparse caches that don't store data in raw format
factor out the parts of the raw block sync implementation that deal with
writing a single register via _regmap_write().

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230325-regcache-maple-v3-1-23e271f93dc7@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mark Brown
2023-03-30 01:10:23 +01:00
parent 2238959b6a
commit 05933e2d44
2 changed files with 27 additions and 14 deletions
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drivers/base/regmap/internal.h
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@@ -270,6 +270,7 @@ unsigned int regcache_get_val(struct regmap *map, const void *base,
bool regcache_set_val(struct regmap *map, void *base, unsigned int idx,
unsigned int val);
int regcache_lookup_reg(struct regmap *map, unsigned int reg);
int regcache_sync_val(struct regmap *map, unsigned int reg, unsigned int val);
int _regmap_raw_write(struct regmap *map, unsigned int reg,
const void *val, size_t val_len, bool noinc);