On architectures that only get their bootargs through devicetree's chosen node (such as RISC-V), that node is mandatory. After a discussion with Rob [1] I'm adding a warning in case chosen node is not present, to let users know about it. [1]: https://patchwork.ozlabs.org/patch/984224/#2016136 Signed-off-by: Nick Kossifidis <mick@xxxxxxxxxxxx> --- drivers/of/fdt.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index bb532aae0d92..7ff67bf1f6d6 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1200,8 +1200,12 @@ bool __init early_init_dt_verify(void *params) void __init early_init_dt_scan_nodes(void) { + int rc = 0; + /* Retrieve various information from the /chosen node */ - of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line); + rc = of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line); + if (!rc) + pr_warn("No chosen node found, continuing without\n"); /* Initialize {size,address}-cells info */ of_scan_flat_dt(early_init_dt_scan_root, NULL); -- 2.16.4
