--- zzzz-none-000/linux-5.15.111/drivers/mtd/ubi/debug.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/drivers/mtd/ubi/debug.c	2024-02-07 10:23:08.000000000 +0000
@@ -88,6 +88,7 @@
 		       vid_hdr, UBI_VID_HDR_SIZE, 1);
 }
 
+#ifdef CONFIG_MTD_UBI_DEBUG
 /**
  * ubi_dump_vol_info - dump volume information.
  * @vol: UBI volume description object
@@ -603,3 +604,4 @@
 	ubi_ro_mode(ubi);
 	return 1;
 }
+#endif /* CONFIG_MTD_UBI_DEBUG */