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

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Message-ID: <CAE9FiQUxuajrqka97M_tvbXoMSzPTBGyjiBib_EG4MjRTuNmFQ@mail.gmail.com>
Date:	Sat, 22 Oct 2011 14:58:12 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux PCI <linux-pci@...r.kernel.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	Matthew Garrett <mjg59@...f.ucam.org>
Subject: Re: [PATCH] PCI / ACPI: Make acpiphp ignore root bridges using PCIe
 native hotplug

On Fri, Oct 21, 2011 at 3:43 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> From: Rafael J. Wysocki <rjw@...k.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?

Yinghai
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