commit: http://blackfin.uclinux.org/git/?p=linux-kernel;a=commitdiff;h=fb2c19cb83bd27d6132181ba0b0e5d0ca63e7926 branch: http://blackfin.uclinux.org/git/?p=linux-kernel;a=shortlog;h=refs/heads/2011R1
Signed-off-by: Dimitris Papastamos <[email protected]> Signed-off-by: Mark Brown <[email protected]> --- 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 8766224..2d55b26 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); }
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