regmap: Add stub for regcache_sync_region()

Added on another branch.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 42c69e75b131..33d5f1d9f882 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -280,6 +280,13 @@ static inline int regcache_sync(struct regmap *map)
         return -EINVAL;
 }
 
+static inline int regcache_sync_region(struct regmap *map, unsigned int min,
+                                       unsigned int max)
+{
+        WARN_ONCE(1, "regmap API is disabled");
+        return -EINVAL;
+}
+
 static inline void regcache_cache_only(struct regmap *map, bool enable)
 {
         WARN_ONCE(1, "regmap API is disabled");