[+cc Chris, Alex]
On Tue, Aug 09, 2016 at 04:41:31PM +0200, Maik Broemme wrote:
> Similar to the AR93xx and the AR94xx series, the AR95xx also have the
> same quirk for the Bus Reset. It will lead to instant system reset if
> the device is assigned via VFIO to a KVM VM. I've been able reproduce
> this behavior with a MikroTik R11e-2HnD.
>
> Fixes: c3e59ee4e766 ("PCI: Mark Atheros AR93xx to avoid bus reset")
> Signed-off-by: Maik Broemme <mbroemme@xxxxxxxxxx>
> CC: stable@xxxxxxxxxxxxxxx
Applied to pci/virtualization for v4.9, thanks!
> ---
> drivers/pci/quirks.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 37ff015..7d82189 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3198,6 +3198,7 @@ static void quirk_no_bus_reset(struct pci_dev *dev)
> 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);
>
> static void quirk_no_pm_reset(struct pci_dev *dev)
> {
> --
> 2.9.2
>
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