diff options
| author | Raymond Pang <RaymondPang-oc@zhaoxin.com> | 2020-03-27 12:11:47 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-03-29 00:55:27 +0300 |
| commit | 0325837c51cb7c9a5bd3e354ac0c0cda0667d50e (patch) | |
| tree | da6c90778732a5ebb3117f7823943e0f668c2d5b /drivers/pci | |
| parent | 3375590623e4a132b19a8740512f4deb95728933 (diff) | |
| download | linux-0325837c51cb7c9a5bd3e354ac0c0cda0667d50e.tar.xz | |
PCI: Add ACS quirk for Zhaoxin multi-function devices
Some Zhaoxin endpoints are implemented as multi-function devices without an
ACS capability, but they actually don't support peer-to-peer transactions.
Add ACS quirks to declare DMA isolation.
Link: https://lore.kernel.org/r/20200327091148.5190-3-RaymondPang-oc@zhaoxin.com
Signed-off-by: Raymond Pang <RaymondPang-oc@zhaoxin.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/quirks.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 29f473ebf20f..7bdd0f5e4b7b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -4701,6 +4701,10 @@ 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 } }; |