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Commit ac77a765 authored by Dimitris Papastamos's avatar Dimitris Papastamos Committed by Mark Brown
Browse files

regmap: Ensure we scream if we enable cache bypass/only at the same time 



Signed-off-by: default avatarDimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 6eb0f5e0

drivers/base/regmap/regcache.c

+2 −0
Original line number Diff line number Diff line
@@ -281,6 +281,7 @@ EXPORT_SYMBOL_GPL(regcache_sync); 
void regcache_cache_only(struct regmap *map, bool enable)

{

	mutex_lock(&map->lock);

	WARN_ON(map->cache_bypass && enable);

	map->cache_only = enable;

	mutex_unlock(&map->lock);

}
@@ -300,6 +301,7 @@ EXPORT_SYMBOL_GPL(regcache_cache_only); 
void regcache_cache_bypass(struct regmap *map, bool enable)

{

	mutex_lock(&map->lock);

	WARN_ON(map->cache_only && enable);

	map->cache_bypass = enable;

	mutex_unlock(&map->lock);

}