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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 508154104328..37467923e98b 100644
--- 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