Re: pci-3.14 resource alloc

["Rafael J. Wysocki" <rjw@rjwysocki.net>]

On Tuesday, February 18, 2014 10:52:54 AM Yinghai Lu wrote:
> On Tue, Feb 18, 2014 at 2:08 AM, Steven Newbury <steve@snewbury.org.uk> wrote:
> >> >
> >> > There's no pci bridge/bus hotplug though. Docking doesn't reveal the
> >> > pci-e->pci bridge or the (radeon) devices on the other side.
> >>
> >> oh, no. could be other regression in linus tree or pci/next.
> >>
> >
> > Previously I needed the busn work to get it working, this was included
> > in the resource-alloc branch.  It never worked on mainline, the bridge
> > used to show up but never get scanned.  Now it's not showing up at all
> > on hotplug.  It could be a dock driver regression.
> 
> I had the busn_res_alloc patches in the branch.
> 
> There is some changes about acpi dock driver from Rafael in recent
> kernels. Maybe Rafael could suggest which commit could cause problem,
> then you could try revert them on top of branch.

I kind of suspect what might have caused them, but that particular thing
would not be easy to revert.

Steven, what was the last kernel in which the bridge showed up?

Did you test 3.14-rc3?

Rafael