From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Tue, 7 Dec 2010 19:32:40 +0000 (+0100)
Subject: firewire: ohci: fix regression with Agere FW643 rev 06, disable MSI
X-Git-Tag: v2.6.37-rc6~23^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9993e0fe0f5f29c69e79efcb271ffc9843002985;p=pandora-kernel.git

firewire: ohci: fix regression with Agere FW643 rev 06, disable MSI

Agere FW643 rev 06, listed as "11c1:5901 (rev 06) (prog-if 10 [OHCI])",
produced SBP-2 I/O errors since kernel 2.6.36.  Disabling MSI fixes it.

Since MSI work on Agere FW643-E (same vendor and device ID, but rev 07),
introduce a device revision field into firewire-ohci's quirks list so
that different quirks can be defined for older and newer revisions.

Reported-by: Jonathan Isom <jeisom@gmail.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: <stable@kernel.org> # 2.6.36.y
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