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regmap: Grab the lock in regcache_cache_only()

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Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Dimitris Papastamos
2011-09-28 11:43:45 +01:00
committed by Mark Brown
parent ec8a365fe6
commit 38f6916976
1 changed files with 2 additions and 0 deletions
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drivers/base/regmap/regcache.c
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@@ -273,7 +273,9 @@ EXPORT_SYMBOL_GPL(regcache_sync);
*/ */
void regcache_cache_only(struct regmap *map, bool enable) void regcache_cache_only(struct regmap *map, bool enable)
{ {
mutex_lock(&map->sync_lock);
map->cache_only = enable; map->cache_only = enable;
mutex_unlock(&map->sync_lock);
} }
EXPORT_SYMBOL_GPL(regcache_cache_only); EXPORT_SYMBOL_GPL(regcache_cache_only);