Messages in this thread Patch in this message | | | From | Ben Hutchings <> | Date | Fri, 20 Sep 2019 15:23:35 +0100 | Subject | [PATCH 3.16 042/132] PCI: Mark Atheros AR9462 to avoid bus reset |
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3.16.74-rc1 review patch. If anyone has any objections, please let me know.
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From: James Prestwood <james.prestwood@linux.intel.com>
commit 6afb7e26978da5e86e57e540fdce65c8b04f398a upstream.
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> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3154,6 +3154,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_A 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); static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f, struct pci_fixup *end)
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