Re: [PATCH] powerpc/chrp: Revert "Move PHB discovery" and "Make hydra_init() static"

From: Guenter Roeck
Date: Sat Jul 17 2021 - 12:14:43 EST


On Sun, Jul 18, 2021 at 01:54:23AM +1000, Oliver O'Halloran wrote:
> On Sat, Jul 17, 2021 at 8:12 AM Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
> >
> > This patch reverts commit 407d418f2fd4 ("powerpc/chrp: Move PHB
> > discovery") and commit 9634afa67bfd ("powerpc/chrp: Make hydra_init()
> > static").
> >
> > Running the upstream kernel on Qemu's brand new "pegasos2" emulation
> > results in a variety of backtraces such as
>
> ...and actually using it appears to require both manually enabling it
> in the qemu config and finding a random bios blob that is no longer
> distributed by the manufacturer. Cool.
>
That is absolutely wrong. vof.bin provided by qemu in the linux root
directory works just fine, plus chrp32_defconfig minus SMP.

Guenter