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Subject[PATCH 2/3] PCI: Add ACS quirk for Zhaoxin's multi-function devices
Date
Some Zhaoxin's endpoints are implemented as multi-function devices
without ACS capability. They actually don't support peer-to-peer
transactions. So add ACS quirk to declare DMA isolation.

Signed-off-by: Raymond Pang <RaymondPang-oc@zhaoxin.com>
---
drivers/pci/quirks.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 3e0ca273f903..3f06496a3d4c 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4767,6 +4767,10 @@ static const struct pci_dev_acs_enabled {
{ PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs },
/* Amazon Annapurna Labs */
{ PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs },
+ /* Zhaoxin multi-function devices */
+ { PCI_VENDOR_ID_ZHAOXIN, 0x3038, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_ZHAOXIN, 0x3104, pci_quirk_mf_endpoint_acs },
+ { PCI_VENDOR_ID_ZHAOXIN, 0x9083, pci_quirk_mf_endpoint_acs },
{ 0 }
};

--
2.26.0
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