--- zzzz-none-000/linux-4.1.38/init/do_mounts.c	2017-01-18 18:48:06.000000000 +0000
+++ bcm63-7582-715/linux-4.1.38/init/do_mounts.c	2020-11-25 10:06:48.000000000 +0000
@@ -290,7 +290,9 @@
 }
 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;