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Subject[PATCH 8/8] regmap: Ensure we scream if we enable cache bypass/only at the same time
Date
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..82e619e 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -280,6 +280,7 @@ EXPORT_SYMBOL_GPL(regcache_sync);
*/
void regcache_cache_only(struct regmap *map, bool enable)
{
+ BUG_ON(map->cache_bypass && enable);
mutex_lock(&map->lock);
map->cache_only = enable;
mutex_unlock(&map->lock);
@@ -299,6 +300,7 @@ EXPORT_SYMBOL_GPL(regcache_cache_only);
*/
void regcache_cache_bypass(struct regmap *map, bool enable)
{
+ BUG_ON(map->cache_only && enable);
mutex_lock(&map->lock);
map->cache_bypass = enable;
mutex_unlock(&map->lock);
--
1.7.6.4


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