regmap: Skip patch application when the cache is not dirty on sync
[linux-2.6.git] / drivers / base / regmap / regcache.c
index ce2034c..9c6a5c1 100644 (file)
@@ -269,6 +269,9 @@ int regcache_sync(struct regmap *map)
        name = map->cache_ops->name;
        trace_regcache_sync(map->dev, name, "start");
 
+       if (!map->cache_dirty)
+               goto out;
+
        /* Apply any patch first */
        for (i = 0; i < map->patch_regs; i++) {
                ret = _regmap_write(map, map->patch[i].reg, map->patch[i].def);
@@ -279,8 +282,6 @@ int regcache_sync(struct regmap *map)
                }
        }
 
-       if (!map->cache_dirty)
-               goto out;
        if (map->cache_ops->sync) {
                ret = map->cache_ops->sync(map);
        } else {