caching BLOBLISTT_SPL_HANDOFF

[Rasmus Villemoes]

On 02/03/2020 20.47, Simon Glass wrote:
> Hi Rasmus,
> 
> On Fri, 28 Feb 2020 at 16:09, Rasmus Villemoes
> <rasmus.villemoes at prevas.dk> wrote:
>>

>> Now that particular one seems a bit fishy: Why is it ok to cache the
>> location of the BLOBLISTT_SPL_HANDOFF blob in gd->spl_handoff? Later in
>> the init sequence there's a call to reserve_bloblist, and later again
>> reloc_bloblist. Doesn't that leave gd->spl_handoff stale?
> 
> Yes it does. It is only supposed to be used in the early stages of
> U-Boot (proper) init.

Yes, that's what I thought - and if it's only actually used once or
twice during the early stages, there's not much point in caching it.

> Actually I think that member could be dropped and we could search for
> it each time:
> 
> ./arch/x86/cpu/broadwell/cpu_from_spl.c

Yes, there didn't seem to be many users, so it should not be that hard
to get rid of. I also think that sets a better precedent for future
bloblist users.

Rasmus