firewire: ohci: disable MSI on Ricoh controllers

The PCIe device

    FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd FireWire Host Controller
    [1180:e832] (prog-if 10 [OHCI])

is unable to access attached FireWire devices when MSI is enabled but
works if MSI is disabled.
http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg28251.html

Hence add the "disable MSI" quirks flag for this device, or in fact for
safety and simplicity for all current (R5U230, R5U231, R5U240) and
future Ricoh PCIe 1394 controllers.

Reported-by: Stefan Thomas <kontrapunktstefan@googlemail.com>
Cc: 2.6.36+ <stable@vger.kernel.org>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 21250eca28d1..7f5f0da726da 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -303,7 +303,7 @@ static const struct {
                 QUIRK_NO_MSI},
 
         {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID,
-                QUIRK_CYCLE_TIMER},
+                QUIRK_CYCLE_TIMER | QUIRK_NO_MSI},
 
         {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID,
                 QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A},