diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c
index 9c6a5c13f1daca7c1203a5a1b7e31e7fa98af181..ee36bed9479c923474fca9474654ad6b9134fd28 100644
--- a/drivers/base/regmap/regcache.c
+++ b/drivers/base/regmap/regcache.c
@@ -273,6 +273,7 @@ int regcache_sync(struct regmap *map)
 		goto out;
 
 	/* Apply any patch first */
+	map->cache_bypass = 1;
 	for (i = 0; i < map->patch_regs; i++) {
 		ret = _regmap_write(map, map->patch[i].reg, map->patch[i].def);
 		if (ret != 0) {
@@ -281,6 +282,7 @@ int regcache_sync(struct regmap *map)
 			goto out;
 		}
 	}
+	map->cache_bypass = 0;
 
 	if (map->cache_ops->sync) {
 		ret = map->cache_ops->sync(map);