Re: [PATCH 5.16 0199/1017] PCI: xgene: Revert "PCI: xgene: Fix IB window setup"

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On Tue, Apr 5, 2022 at 11:00 AM Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue, Apr 05, 2022 at 09:42:37AM -0600, dann frazier wrote:
> > On Tue, Apr 05, 2022 at 09:18:32AM +0200, Greg Kroah-Hartman wrote:
> > > From: Marc Zyngier <maz@xxxxxxxxxx>
> > >
> > > commit 825da4e9cec68713fbb02dc6f71fe1bf65fe8050 upstream.
> > >
> > > Commit c7a75d07827a ("PCI: xgene: Fix IB window setup") tried to
> > > fix the damages that 6dce5aa59e0b ("PCI: xgene: Use inbound resources
> > > for setup") caused, but actually didn't improve anything for some
> > > plarforms (at least Mustang and m400 are still broken).
> > >
> > > Given that 6dce5aa59e0b has been reverted, revert this patch as well,
> > > restoring the PCIe support on XGene to its pre-5.5, working state.
> > >
> > > Link: https://lore.kernel.org/r/YjN8pT5e6/8cRohQ@xps13.dannf
> > > Link: https://lore.kernel.org/r/20220321104843.949645-3-maz@xxxxxxxxxx
> > > Fixes: c7a75d07827a ("PCI: xgene: Fix IB window setup")
> > > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> > > Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> > > Cc: stable@xxxxxxxxxxxxxxx
> > > Cc: Rob Herring <robh@xxxxxxxxxx>
> > > Cc: Toan Le <toan@xxxxxxxxxxxxxxxxxxxxxx>
> > > Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> > > Cc: Krzysztof Wilczyński <kw@xxxxxxxxx>
> > > Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> > > Cc: Stéphane Graber <stgraber@xxxxxxxxxx>
> > > Cc: dann frazier <dann.frazier@xxxxxxxxxxxxx>
> > > Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> > > ---
> > >  drivers/pci/controller/pci-xgene.c |    2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > Hi Greg,
> >
> >   I don't think it makes sense to apply this to 5.10.y, 5.15.y &
> > 5.16.y w/o also applying a backport of 1874b6d7ab1, because without
> > that we will regress support for Stéphane's X-Gene2-based systems. The
> > backport of 1874b6d7ab1 was rejected for these trees because it doesn't
> > apply cleanly, but I've just submitted new versions that do.
>
> Where were those patches sent to?  I don't seem to see them on the
> stable list, did I miss them?

These are the message IDs:
<20220405142505.1268999-1-dann.frazier@xxxxxxxxxxxxx>
<20220405153419.1330755-1-dann.frazier@xxxxxxxxxxxxx>

I've just bounced them directly to you as well. Thanks Greg!

 -dann




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