[PATCH v1 09/13] kho: Update FDT dynamically for subtree addition/removal

[Pratyush Yadav]

On Fri, Nov 14 2025, Pasha Tatashin wrote:

> Currently, sub-FDTs were tracked in a list (kho_out.sub_fdts) and the
> final FDT is constructed entirely from scratch during kho_finalize().
>
> We can maintain the FDT dynamically:
> 1. Initialize a valid, empty FDT in kho_init().
> 2. Use fdt_add_subnode and fdt_setprop in kho_add_subtree to
>    update the FDT immediately when a subsystem registers.
> 3. Use fdt_del_node in kho_remove_subtree to remove entries.
>
> This removes the need for the intermediate sub_fdts list and the
> reconstruction logic in kho_finalize(). kho_finalize() now
> only needs to trigger memory map serialization.
>
> Signed-off-by: Pasha Tatashin <pasha.tatashin at soleen.com>

Reviewed-by: Pratyush Yadav <pratyush at kernel.org>

[...]

-- 
Regards,
Pratyush Yadav