linux-kernel - Re: [PATCH 2/2] PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB

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Message-ID: <20120106120524.7801c73a@jbarnes-desktop>
Date:	Fri, 6 Jan 2012 12:05:24 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Bjorn Helgaas <bhelgaas@...gle.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, thuban@...gularity.fr,
	dann frazier <dann.frazier@...onical.com>,
	Lisa Salimbas <lisa.salimbas@...onical.com>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	stable@...nel.org, Len Brown <lenb@...nel.org>
Subject: Re: [PATCH 2/2] PNP: work around Dell 1536/1546 BIOS MMCONFIG bug
 that breaks USB

On Thu, 05 Jan 2012 14:27:24 -0700
Bjorn Helgaas <bhelgaas@...gle.com> wrote:

> Some Dell BIOSes have MCFG tables that don't report the entire
> MMCONFIG area claimed by the chipset.  If we move PCI devices into
> that claimed-but-unreported area, they don't work.
> 
> This quirk reads the AMD MMCONFIG MSRs and adds PNP0C01 resources as
> needed to cover the entire area.
> 

applied these two, thanks.

-- 
Jesse Barnes, Intel Open Source Technology Center

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