Add support for bootargs-append chosen property. The bootargs-append can be used to append additional kernel arguments to the bootargs property. This can be useful in the context of a bootargs overridden by the bootloader that contains correct that but the kernel require additional one to be correctly setup. Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx> --- drivers/of/fdt.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 253315421591..cc99958872e4 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1080,6 +1080,9 @@ int __init early_init_dt_scan_chosen(char *cmdline) p = of_get_flat_dt_prop(node, "bootargs", &l); if (p != NULL && l > 0) strscpy(cmdline, p, min(l, COMMAND_LINE_SIZE)); + p = of_get_flat_dt_prop(node, "bootargs-append", &l); + if (p != NULL && l > 0) + strlcat(cmdline, p, min_t(int, strlen(cmdline) + l, COMMAND_LINE_SIZE)); handle_cmdline: /* -- 2.43.0
