---- a/drivers/of/fdt.c
-+++ b/drivers/of/fdt.c
-@@ -1055,6 +1055,9 @@ int __init early_init_dt_scan_chosen(uns
- p = of_get_flat_dt_prop(node, "bootargs", &l);
- if (p != NULL && l > 0)
- strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
-+ p = of_get_flat_dt_prop(node, "bootargs-append", &l);
-+ if (p != NULL && l > 0)
-+ strlcat(data, p, min_t(int, strlen(data) + (int)l, COMMAND_LINE_SIZE));
-
- /* CONFIG_CMDLINE_OVERRIDE is used to fallback to a different
- * device tree option of chosen/bootargs-override. This is