Re: [PATCH] PCI: Mark Atheros AR9580 to avoid bus reset

[Bjorn Helgaas <helgaas@kernel.org>]

[+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@libmpq.org>
> CC: stable@vger.kernel.org

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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