[PATCH v4] fdt: Allow the devicetree to come from a bloblist

[Simon Glass]

Hi Tom,

On Tue, Dec 26, 2023 at 12:07 PM Tom Rini <trini at konsulko.com> wrote:
>
> On Tue, Dec 26, 2023 at 09:46:25AM +0000, Simon Glass wrote:
>
> > Standard passage provides for a bloblist to be passed from one firmware
> > phase to the next. That can be used to pass the devicetree along as well.
> > Add an option to support this.
> >
> > Tests for this will be added as part of the Universal Payload work.
> >
> > Signed-off-by: Simon Glass <sjg at chromium.org>
> > ---
> > The discussion on this was not resolved and is now important due to the
> > bloblist series from Raymond. So I am sending it again since I believe
> > this is a better starting point than building on OF_BOARD
>
> I really don't like adding another option for "DT is given to us". Why
> isn't adding another enum to fdt_source_t sufficient

That is added by this patch, but...

>, and if we have
> bloblist enabled, that will look for and use if found?

...this is the question. I would like to be able to enable bloblist
without *requiring* the DT to come from there, hence the separate
Kconfig option.

> Maybe some other
> code needs to be restructured and cleaned up too?

Possibly, but I really am not keen on this board-specific solution. I
believe Ilias & I agreed that OF_BOARD should fade away, so I don't
like adding another thing onto it.

Regards,
Simon