---- a/arch/mips/ralink/of.c
-+++ b/arch/mips/ralink/of.c
-@@ -3,7 +3,7 @@
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
-- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
-+ * Copyright (C) 2008-2014 Imre Kaloz <kaloz@openwrt.org>
- * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
- */
-@@ -66,6 +66,17 @@ static int __init early_init_dt_find_mem
- return 0;
- }
-
-+static int chosen_dtb;
-+
-+static int __init early_init_dt_find_chosen(unsigned long node, const char *uname,
-+ int depth, void *data)
-+{
-+ if (depth == 1 && !strcmp(uname, "chosen"))
-+ chosen_dtb = 1;
-+
-+ return 0;
-+}
-+
- extern struct boot_param_header __image_dtb;
-
- void __init plat_mem_setup(void)
-@@ -78,7 +89,9 @@ void __init plat_mem_setup(void)
- */
- __dt_setup_arch(&__image_dtb);
-
-- strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
-+ of_scan_flat_dt(early_init_dt_find_chosen, NULL);
-+ if (chosen_dtb)
-+ strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
-
- of_scan_flat_dt(early_init_dt_find_memory, NULL);
- if (memory_dtb)