From: Joerg Roedel <joro@8bytes.org>
To: Andrew Cooks <acooks@gmail.com>
Cc: Gaudenz Steinlin <gaudenz@soziologie.ch>,
jyli@marvell.com,
"open list:INTEL IOMMU (VT-d)" <iommu@lists.linux-foundation.org>,
open list <linux-kernel@vger.kernel.org>,
Shun Fu <fushun@marvell.com>,
Alex Williamson <alex.williamson@redhat.com>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: Marvell 88NV9143 in mini-PCIe not working with intel_iommu=on
Date: Tue, 26 Mar 2013 16:14:37 +0100 [thread overview]
Message-ID: <20130326151436.GE2727@8bytes.org> (raw)
In-Reply-To: <CAJtEV7aL0TeSYB-+1bTgq=8Rbt2wijLfQF7jrHHXTeXeR811DQ@mail.gmail.com>
On Fri, Mar 08, 2013 at 10:53:16AM +0800, Andrew Cooks wrote:
> I'm hoping one of the veteran developers would give some guidance for
> the best approach to enable more devices in future.
In cases like this where a device just uses the request-id of another
device you can make use of the existing quirk-code in
drivers/pci/quirks.c. Look at the function pci_get_dma_source() and add
your device there. This should also make it work with VT-d and AMD-Vi.
Joerg
prev parent reply other threads:[~2013-03-26 15:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-05 15:03 Marvell 88NV9143 in mini-PCIe not working with intel_iommu=on Gaudenz Steinlin
2013-03-06 2:48 ` Andrew Cooks
2013-03-06 3:20 ` Alex Williamson
2013-03-07 9:25 ` Gaudenz Steinlin
2013-03-08 2:53 ` Andrew Cooks
2013-03-26 15:14 ` Joerg Roedel [this message]
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