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| author | Huacai Chen <[email protected]> | 2025-04-03 04:07:56 +0000 |
|---|---|---|
| committer | Bjorn Helgaas <[email protected]> | 2025-04-17 20:26:46 +0000 |
| commit | 1f3303aa92e15fa273779acac2d0023609de30f1 (patch) | |
| tree | 780ba7a9ec7d1d2ad3407659fee23521ad7f7a78 /drivers/pci/controller/dwc/pci-keystone.c | |
| parent | Linux 6.15-rc1 (diff) | |
| download | kernel-1f3303aa92e15fa273779acac2d0023609de30f1.tar.gz kernel-1f3303aa92e15fa273779acac2d0023609de30f1.zip | |
PCI: Add ACS quirk for Loongson PCIe
Loongson PCIe Root Ports don't advertise an ACS capability, but they do not
allow peer-to-peer transactions between Root Ports. Add an ACS quirk so
each Root Port can be in a separate IOMMU group.
Signed-off-by: Xianglai Li <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Cc: [email protected]
Link: https://patch.msgid.link/[email protected]
Diffstat (limited to 'drivers/pci/controller/dwc/pci-keystone.c')
0 files changed, 0 insertions, 0 deletions