Messages in this thread Patch in this message | | | From | Dimitris Papastamos <> | Subject | [PATCH 4/4] regmap: Ensure we scream if we enable cache bypass/only at the same time | Date | Thu, 29 Sep 2011 14:36:28 +0100 |
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Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com> --- drivers/base/regmap/regcache.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index eaa2e20..1d07828 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -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); } -- 1.7.6.4
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