[PATCH] pci: quirk: Apply APM ACS quirk to XGene devices

[Feng Kan]

The APM X-Gene PCIe root port does not support ACS at this point.
Since the root does not allow peer to peer transactions, mask out
ACS capability flag bits.

Signed-off-by: Feng Kan <fkan@xxxxxxx>
---
 drivers/pci/quirks.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 085fb78..951064d 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4368,6 +4368,8 @@ static int pci_quirk_mf_endpoint_acs(struct pci_dev *dev, u16 acs_flags)
 	{ 0x10df, 0x720, pci_quirk_mf_endpoint_acs }, /* Emulex Skyhawk-R */
 	/* Cavium ThunderX */
 	{ PCI_VENDOR_ID_CAVIUM, PCI_ANY_ID, pci_quirk_cavium_acs },
+	/* APM XGene */
+	{ PCI_VENDOR_ID_AMCC, 0xE004, pci_quirk_mf_endpoint_acs },
 	{ 0 }
 };
 
-- 
1.8.3.1