[Skiboot] [PATCH] phb4: Only escalate freezes on MMIO load where necessary

[Stewart Smith]

Russell Currey <ruscur at russell.cc> writes:
> In order to work around a hardware issue, MMIO load freezes were
> escalated to fences on every chip.  Now that hardware no longer requires
> this, restrict escalation to the chips that actually need it.
>
> Signed-off-by: Russell Currey <ruscur at russell.cc>
> ---
>  hw/phb4.c | 25 ++++++++++++++++++++++++-
>  1 file changed, 24 insertions(+), 1 deletion(-)

Merged to master as of f397cc30bdf88353c39c58d9085d42c5fa124190 and is
in v5.10-rc3

-- 
Stewart Smith
OPAL Architect, IBM.