openwrtv4/target/linux/ramips/patches-4.3/0104-fix_bootargs_handling.patch
Felix Fietkau c69ffda546 ramips: clean up and refresh kernel patches
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 48070
2016-01-02 14:48:27 +00:00

40 lines
1.1 KiB
Diff

--- 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);
strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);