diff options
Diffstat (limited to 'drivers/base/regmap/regcache.c')
| -rw-r--r-- | drivers/base/regmap/regcache.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 029564695dbb..28bc3ae9458a 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -279,11 +279,14 @@ int regcache_write(struct regmap *map, return 0; } -static bool regcache_reg_needs_sync(struct regmap *map, unsigned int reg, - unsigned int val) +bool regcache_reg_needs_sync(struct regmap *map, unsigned int reg, + unsigned int val) { int ret; + if (!regmap_writeable(map, reg)) + return false; + /* If we don't know the chip just got reset, then sync everything. */ if (!map->no_sync_defaults) return true; @@ -558,17 +561,14 @@ void regcache_cache_bypass(struct regmap *map, bool enable) } EXPORT_SYMBOL_GPL(regcache_cache_bypass); -bool regcache_set_val(struct regmap *map, void *base, unsigned int idx, +void regcache_set_val(struct regmap *map, void *base, unsigned int idx, unsigned int val) { - if (regcache_get_val(map, base, idx) == val) - return true; - /* Use device native format if possible */ if (map->format.format_val) { map->format.format_val(base + (map->cache_word_size * idx), val, 0); - return false; + return; } switch (map->cache_word_size) { @@ -601,7 +601,6 @@ bool regcache_set_val(struct regmap *map, void *base, unsigned int idx, default: BUG(); } - return false; } unsigned int regcache_get_val(struct regmap *map, const void *base, |