[PATCH 01/26] Revert "pci: pci-uclass: Dynamically allocate the PCI regions"

[Tom Rini]

On Wed, Feb 10, 2021 at 08:46:51AM +0800, Bin Meng wrote:
> Hi Simon,
> 
> On Sun, Feb 7, 2021 at 11:34 PM Simon Glass <sjg at chromium.org> wrote:
> >
> > Hi Bin,
> >
> > On Sun, 7 Feb 2021 at 08:11, Bin Meng <bmeng.cn at gmail.com> wrote:
> > >
> > > This reverts commit e002474158d1054a7a2ff9a66149384c639ff242.
> > >
> > > Commit e002474158d1 ("pci: pci-uclass: Dynamically allocate the PCI regions")
> > > changes 'struct pci_controller'.regions from pre-allocated array of
> > > regions to dynamically allocated, which unfortunately broken lots of
> > > boards that still use the non-DM PCI driver.
> > >
> > > We may update every non-DM PCI board codes to do the dynamical
> > > allocation of PCI regions but that's a lot of work (e.g.: almost
> > > all Freescale PowerPC boards are broken now and need to be fixed).
> > > Let's do the easy way.
> >
> > No one has noticed since July, apparently. I think it would be better
> > to disable PCI on these boards, until either someone migrates them or
> > they are removed. The PCI deadline was about 18 months ago.
> >
> 
> Yep, but I'd like to keep this revert instead of just fixing the
> qemu-ppce500 here, to give people a chance to test their original
> non-DM version of PCI driver before the DM conversion.
> 
> Once all boards have converted to DM PCI, we can revert this revert patch again.

I'm not quite sure as a number of PowerPC boards did convert.  I will
see what's left, on top of the series I'm currently testing that deals
with LIBATA+AHCI (and in turn kills off some PowerPC stuff).

-- 
Tom
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