Hi, Krzysztof On Thu, Mar 20, 2025 at 08:13:24 +0100, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > On 20/03/2025 02:55, Changyuan Lyu wrote: > > > > +/** > > + * early_init_dt_check_kho - Decode info required for kexec handover from DT > > + */ > > +static void __init early_init_dt_check_kho(void) > > +{ > > + unsigned long node = chosen_node_offset; > > + u64 kho_start, scratch_start, scratch_size; > > + const __be32 *p; > > + int l; > > + > > + if (!IS_ENABLED(CONFIG_KEXEC_HANDOVER) || (long)node < 0) > > + return; > > + > > + p = of_get_flat_dt_prop(node, "linux,kho-fdt", &l); > > > You are adding undocumented ABI for OF properties. That's not what was > explained last time. Thanks for the reminder! Sorry I missed [1]. I drafted a PR to add the documentation: https://github.com/devicetree-org/dt-schema/pull/158 . [1] https://lore.kernel.org/all/b1e59928-b2f4-47d4-87b8-424234c52f8d@xxxxxxxxxx/ Best, Changyuan