Re: [PATCH] PCI / ACPI: Make acpiphp ignore root bridges using PCIe native hotplug

Rafael J. Wysocki
2011-10-22T22:08:11Z

On Saturday, October 22, 2011, Yinghai Lu wrote:
> On Fri, Oct 21, 2011 at 3:43 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> > From: Rafael J. Wysocki <rjw@sisk.pl>
> >
> > If the kernel has requested control of the PCIe native hotplug
> > feature for a given root complex, the acpiphp driver should not try
> > to handle that root complex and it should leave it to pciehp.
> > Failing to do so causes problems to happen if acpiphp is loaded
> > before pciehp on such systems.
>
> Should pciehp be built-in kernel instead of as a module?

Well, perhaps. Still, though, if someone doesn't build pciehp and
the control of the native PCIe hotplug is granted for a given root
complex, acpiphp won't work anyway.

Thanks,
Rafael