[Skiboot] [PATCH] phb4: Harden init with bad PHBs

[Stewart Smith]

Michael Neuling <mikey at neuling.org> writes:
> Currently if we read all 1's from the EEH or IRQ capabilities, we end
> up train wrecking on some other random code (eg. an assert() in xive).
>
> This hardens the PHB4 code to look for these bad reads and more
> gracefully fails the init for that PHB alone.  This allows the rest of
> the system to boot and ignore those bad PHBs.
>
> Signed-off-by: Michael Neuling <mikey at neuling.org>
> ---
>  hw/phb4.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

Merged to master as of 23d759f80925d65fd59c16552467c85cc2c5090f
-- 
Stewart Smith
OPAL Architect, IBM.