On Sun, Jun 13, 2021 at 12:13 AM Sander Vanheule <sander@xxxxxxxxxxxxx> wrote: > > When a user wants to read a single uncached register, cache bypassing > can be enabled. However, this is not atomic unless an external lock is > used for the regmap. When using regcache_cache_bypass, the original > bypass state also cannot be restored. > > Add support to atomically read a single uncached value, bypassing any > regmap cache. > +int regmap_read_bypassed(struct regmap *map, unsigned int reg, unsigned int *val) If this is acceptable in general, I will rather name the function like regmap_nocache_read() to be aligned with the other API naming pattern (see below). > int regmap_raw_write_async(struct regmap *map, unsigned int reg, > const void *val, size_t val_len); > int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val); > +int regmap_read_bypassed(struct regmap *map, unsigned int reg, unsigned int *val); > int regmap_raw_read(struct regmap *map, unsigned int reg, > void *val, size_t val_len); > int regmap_noinc_read(struct regmap *map, unsigned int reg, -- With Best Regards, Andy Shevchenko
