regmap: Ensure we scream if we enable cache bypass/only at the same time
Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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1 changed files with 2 additions and 0 deletions
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@ -281,6 +281,7 @@ EXPORT_SYMBOL_GPL(regcache_sync);
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void regcache_cache_only(struct regmap *map, bool enable)
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{
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mutex_lock(&map->lock);
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WARN_ON(map->cache_bypass && enable);
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map->cache_only = enable;
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mutex_unlock(&map->lock);
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}
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@ -300,6 +301,7 @@ EXPORT_SYMBOL_GPL(regcache_cache_only);
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void regcache_cache_bypass(struct regmap *map, bool enable)
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{
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mutex_lock(&map->lock);
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WARN_ON(map->cache_only && enable);
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map->cache_bypass = enable;
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mutex_unlock(&map->lock);
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}
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