---

yaml
---
r: 266996
b: refs/heads/master
c: 954757d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dfdc4448e078d06bdba0da52db7176437877788f
+refs/heads/master: 954757d767a78bc4b863fa9ea703bd7f814c8a55

trunk/drivers/base/regmap/regcache.c

@@ -223,20 +223,39 @@ EXPORT_SYMBOL_GPL(regcache_write);
  */
 int regcache_sync(struct regmap *map)
 {
-	int ret;
+	int ret = 0;
+	unsigned int val;
+	unsigned int i;
 	const char *name;
 
 	BUG_ON(!map->cache_ops);
 
+	dev_dbg(map->dev, "Syncing %s cache\n",
+		map->cache_ops->name);
+	name = map->cache_ops->name;
+	trace_regcache_sync(map->dev, name, "start");
 	if (map->cache_ops->sync) {
-		dev_dbg(map->dev, "Syncing %s cache\n",
-			map->cache_ops->name);
-		name = map->cache_ops->name;
-		trace_regcache_sync(map->dev, name, "start");
 		ret = map->cache_ops->sync(map);
-		trace_regcache_sync(map->dev, name, "stop");
+	} else {
+		for (i = 0; i < map->num_reg_defaults; i++) {
+			ret = regcache_read(map, i, &val);
+			if (ret < 0)
+				goto out;
+			regcache_cache_bypass(map, true);
+			ret = regcache_write(map, i, val);
+			regcache_cache_bypass(map, false);
+			if (ret < 0)
+				goto out;
+			dev_dbg(map->dev, "Synced register %#x, value %#x\n",
+				map->reg_defaults[i].reg,
+				map->reg_defaults[i].def);
+		}
+
 	}
-	return 0;
+out:
+	trace_regcache_sync(map->dev, name, "stop");
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(regcache_sync);