Re: [PATCH for-9.0] ppc440_pcix: Do not expose a bridge device on PCI bus

[Nicholas Piggin]

On Wed Apr 10, 2024 at 9:03 PM AEST, BALATON Zoltan wrote:
> On Wed, 10 Apr 2024, Nicholas Piggin wrote:
> > On Wed Apr 10, 2024 at 9:55 AM AEST, BALATON Zoltan wrote:
> >> Real 460EX SoC apparently does not expose a bridge device and having
> >> it appear on PCI bus confuses an AmigaOS file system driver that uses
> >> this to detect which machine it is running on. Since values written
> >> here by firmware are never read, just ignore these writes and drop the
> >> bridge device.
> >>
> >> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> >> ---
> >> This is only used by sam460ex and this fixes an issue with AmigaOS on
> >> this machine so I'd like this to be merged for 9.0 please.
> >
> > Is it a regression? Does it have a fixes: or resolves: tag?
> >
> > Unless we broke it in this cycle, I would be inclined to wait,
> > and we can ask to put it in stable.
>
> It's not something that broke in this cycle but since this does not affect 
> anything else than sam460ex I think it's OK to change this for 9.0. The 
> changes to 440 tlb in this cycle made sam460ex more useful to run AmigaOS 
> and this fixes the file system driver on it so it would make 9.0 really 
> usable. Otherwise people would have to wait longer until August or install 
> a stable update. Since this has low chance to break anything (tested with 
> AmogaOS and Linux and MorphOS does not boot due to do_io changes anyway) I 
> don't think we have to wait with this.

Hey, travelling / at a conference / on vacation for the next couple of
weeks.

It's just a bit late for hard freeze IMO, since we didn't break it
before the prior release or a bad security / crash bug. Will put it in
9.1.

Thanks,
Nick