Quoting Mark Rutland (2024-01-16 03:51:14) > Hi Stephen, > > On Fri, Jan 12, 2024 at 12:07:44PM -0800, Stephen Boyd wrote: > > Call this function unconditionally so that we can populate an empty DTB > > on platforms that don't boot with a firmware provided or builtin DTB. > > There's no harm in calling unflatten_device_tree() unconditionally. > > For better or worse, that's not true: there are systems the provide both a DTB > *and* ACPI tables, and we must not consume both at the same time as those can > clash and cause all sorts of problems. In addition, we don't want people being > "clever" and describing disparate portions of their system in ACPI and DT. > > It is a very deliberate choice to not unflatten the DTB when ACPI is in use, > and I don't think we want to reopen this can of worms. Hmm ok. I missed this part. Can we knock out the initial_boot_params in this case so that we don't unflatten a DTB when ACPI is in use?