firewire: Clear all interrupt bits before shutting down.

Some flaky controllers doesn't honor the masterIntEnable bits
and can generate bus reset events even if that bit is cleared.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 5081541..3746792 100644 (file)
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -1943,7 +1943,8 @@ static void pci_remove(struct pci_dev *dev)
        struct fw_ohci *ohci;
 
        ohci = pci_get_drvdata(dev);
-       reg_write(ohci, OHCI1394_IntMaskClear, OHCI1394_masterIntEnable);
+       reg_write(ohci, OHCI1394_IntMaskClear, ~0);
+       flush_writes(ohci);
        fw_core_remove_card(&ohci->card);
 
        /* FIXME: Fail all pending packets here, now that the upper