--- zzzz-none-000/linux-4.9.231/include/linux/regmap.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/include/linux/regmap.h	2022-03-30 12:03:35.000000000 +0000
@@ -135,7 +135,7 @@
 	pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
 })
 
-#ifdef CONFIG_REGMAP
+#if IS_ENABLED(CONFIG_REGMAP)
 
 enum regmap_endian {
 	/* Unspecified -> 0 -> Backwards compatible default */