From: Ingmar Klein ingmar_klein@web.de
commit e3f4bd3462f6f796594ecc0dda7144ed2d1e5a26 upstream.
When passing the Atheros QCA6174 through to a virtual machine, the VM hangs at the point where the ath10k driver loads.
Add a quirk to avoid bus resets on this device, which avoids the hang.
[bhelgaas: commit log] Link: https://lore.kernel.org/r/08982e05-b6e8-5a8d-24ab-da1488ee50a8@web.de Signed-off-by: Ingmar Klein ingmar_klein@web.de Signed-off-by: Bjorn Helgaas bhelgaas@google.com Reviewed-by: Pali Rohár pali@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3584,6 +3584,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_A 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); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003e, quirk_no_bus_reset);
/* * Root port on some Cavium CN8xxx chips do not successfully complete a bus