linux-kernel - Re: [PATCH 1/8] PCI PCIe portdrv: Remove root ports MSI quirk

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Date:	Fri, 9 Jan 2009 15:12:26 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Linux PCI <linux-pci@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/8] PCI PCIe portdrv: Remove root ports MSI quirk

On Sunday, January 4, 2009 2:48 pm Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@...k.pl>
>
> The PCI Express port driver contains a quirk that prevents root
> ports from using MSI, but there is no explanation for it and the
> PCI Express specification clearly allows root ports to use MSI.

Weird.  This *looks* fine, but presumably it was added for some reason?  
Unfortunately the git logs don't go back that far.  I'll ping some of our 
chipset guys to see if there were early issues with this or something; at the 
very least we could probably make the quirk a bit narrower in scope.

-- 
Jesse Barnes, Intel Open Source Technology Center
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