[PATCH 1/2] firewire: ohci: fix regression with VIA VT6315, disableMSI

[Stefan Richter]

"VIA Technologies, Inc. VT6315 Series Firewire Controller [1106:3403]"
does not generate any interrupts if Message Signaled Interrupts were
enabled.  This is a regression since kernel 2.6.36 in which MSI support
was added to firewire-ohci.  Hence blacklist MSI on all VIA controllers.

Reported-by: Robin Cook <rcook@xxxxxxxxx>
Signed-off-by: Stefan Richter <stefanr@xxxxxxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx> # 2.6.36.y
---
 drivers/firewire/ohci.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: b/drivers/firewire/ohci.c
===================================================================
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -262,7 +262,8 @@ static const struct {
 	{PCI_VENDOR_ID_AL,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
 	{PCI_VENDOR_ID_JMICRON,	PCI_DEVICE_ID_JMICRON_JMB38X_FW, QUIRK_NO_MSI},
 	{PCI_VENDOR_ID_NEC,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
-	{PCI_VENDOR_ID_VIA,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
+	{PCI_VENDOR_ID_VIA,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER |
+						QUIRK_NO_MSI},
 	{PCI_VENDOR_ID_RICOH,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
 	{PCI_VENDOR_ID_APPLE,	PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
 };


-- 
Stefan Richter
-=====-==-=- ==-- --===
http://arcgraph.de/sr/
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