Messages in this thread Patch in this message | | | From | Dimitris Papastamos <> | Subject | [PATCH 7/7] regmap: Ensure we scream if we enable cache bypass/only at the same time | Date | Wed, 28 Sep 2011 11:43:47 +0100 |
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Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> --- drivers/base/regmap/regcache.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index a3f466c..3d59f14 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -282,6 +282,8 @@ EXPORT_SYMBOL_GPL(regcache_sync); */ void regcache_cache_only(struct regmap *map, bool enable) { + BUG_ON(map->cache_bypass && enable); + mutex_lock(&map->sync_lock); map->cache_only = enable; mutex_unlock(&map->sync_lock); @@ -301,6 +303,8 @@ EXPORT_SYMBOL_GPL(regcache_cache_only); */ void regcache_cache_bypass(struct regmap *map, bool enable) { + BUG_ON(map->cache_only && enable); + mutex_lock(&map->sync_lock); map->cache_bypass = enable; mutex_unlock(&map->sync_lock); -- 1.7.6.4
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