| Message ID | 20200327091148.5190-3-RaymondPang-oc@zhaoxin.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add ACS quirk for Zhaoxin | expand |
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 } };
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(+)