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PCI: Mark Atheros AR9462 to avoid bus reset
author
James Prestwood
<james.prestwood@linux.intel.com>
Mon, 7 Jan 2019 21:32:48 +0000
(13:32 -0800)
committer
Bjorn Helgaas
<bhelgaas@google.com>
Mon, 22 Apr 2019 21:51:15 +0000
(16:51 -0500)
When using PCI passthrough with this device, the host machine locks up
completely when starting the VM, requiring a hard reboot. Add a quirk to
avoid bus resets on this device.
Fixes:
c3e59ee4e766
("PCI: Mark Atheros AR93xx to avoid bus reset")
Link:
https://lore.kernel.org/linux-pci/20190107213248.3034-1-james.prestwood@linux.intel.com
Signed-off-by: James Prestwood <james.prestwood@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.14+
drivers/pci/quirks.c
patch
|
blob
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diff --git
a/drivers/pci/quirks.c
b/drivers/pci/quirks.c
index
68bee35
..
9b9e288
100644
(file)
--- a/
drivers/pci/quirks.c
+++ b/
drivers/pci/quirks.c
@@
-3408,6
+3408,7
@@
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
/*
* Root port on some Cavium CN8xxx chips do not successfully complete a bus