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Merge branch 'topic/cache' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap into regmap-next
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commit
8569d023a0
2 changed files with 35 additions and 0 deletions
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@ -258,6 +258,39 @@ struct regmap *regmap_init(struct device *dev,
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}
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}
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EXPORT_SYMBOL_GPL(regmap_init);
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EXPORT_SYMBOL_GPL(regmap_init);
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/**
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* regmap_reinit_cache(): Reinitialise the current register cache
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*
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* @map: Register map to operate on.
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* @config: New configuration. Only the cache data will be used.
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*
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* Discard any existing register cache for the map and initialize a
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* new cache. This can be used to restore the cache to defaults or to
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* update the cache configuration to reflect runtime discovery of the
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* hardware.
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*/
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int regmap_reinit_cache(struct regmap *map, const struct regmap_config *config)
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{
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int ret;
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mutex_lock(&map->lock);
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regcache_exit(map);
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map->max_register = config->max_register;
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map->writeable_reg = config->writeable_reg;
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map->readable_reg = config->readable_reg;
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map->volatile_reg = config->volatile_reg;
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map->precious_reg = config->precious_reg;
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map->cache_type = config->cache_type;
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ret = regcache_init(map, config);
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mutex_unlock(&map->lock);
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return ret;
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}
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/**
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/**
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* regmap_exit(): Free a previously allocated register map
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* regmap_exit(): Free a previously allocated register map
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*/
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*/
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@ -128,6 +128,8 @@ struct regmap *regmap_init_spi(struct spi_device *dev,
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const struct regmap_config *config);
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const struct regmap_config *config);
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void regmap_exit(struct regmap *map);
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void regmap_exit(struct regmap *map);
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int regmap_reinit_cache(struct regmap *map,
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const struct regmap_config *config);
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int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
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int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
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int regmap_raw_write(struct regmap *map, unsigned int reg,
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int regmap_raw_write(struct regmap *map, unsigned int reg,
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const void *val, size_t val_len);
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const void *val, size_t val_len);
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