From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ingo Molnar Subject: Re: [PATCH 2/2] PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB Date: Fri, 6 Jan 2012 09:49:01 +0100 Message-ID: <20120106084901.GD14188@elte.hu> References: <20120105212719.3965.40406.stgit@bhelgaas.mtv.corp.google.com> <20120105212724.3965.30193.stgit@bhelgaas.mtv.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mx3.mail.elte.hu ([157.181.1.138]:34076 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932133Ab2AFIvH (ORCPT ); Fri, 6 Jan 2012 03:51:07 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Bjorn Helgaas Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , thuban@singularity.fr, dann frazier , Lisa Salimbas , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Len Brown * Bjorn Helgaas wrote: > On Thu, Jan 5, 2012 at 2:27 PM, Bjorn Helgaas w= rote: > > Some Dell BIOSes have MCFG tables that don't report the entire > > MMCONFIG area claimed by the chipset. =A0If we move PCI devices int= o > > that claimed-but-unreported area, they don't work. > > > > This quirk reads the AMD MMCONFIG MSRs and adds PNP0C01 resources a= s > > needed to cover the entire area. >=20 > PNP stuff usually goes through Len's ACPI tree, but this is=20 > really x86-specific, and these two patches need to go=20 > together, so I think it would make sense to put them both in=20 > the x86 tree. Len, do you object? I'd really suggest the PCI tree for this - mmconfig is really=20 PCI related. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html