diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index d92e9b1..2eb7197 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -91,6 +91,9 @@
 
 	struct reg_default *patch;
 	int patch_regs;
+
+	/* if set, converts bulk rw to single rw */
+	bool use_single_rw;
 };
 
 struct regcache_ops {