--- zzzz-none-000/linux-4.19.183/init/do_mounts.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/init/do_mounts.c	2023-06-28 08:54:21.000000000 +0000
@@ -280,7 +280,9 @@
 }
 EXPORT_SYMBOL_GPL(name_to_dev_t);
 
-static int __init root_dev_setup(char *line)
+/* this isn't static anymore, as we need to have this function available for
+ * mtdram1= param parsing in our mtd code -PHU*/
+int __init root_dev_setup(char *line)
 {
 	strlcpy(saved_root_name, line, sizeof(saved_root_name));
 	return 1;