diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/quirks.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 178242d0d9df..74344db4ed4a 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3957,6 +3957,20 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2260, quirk_mic_x200_dma_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2264, quirk_mic_x200_dma_alias); /* + * The IOMMU and interrupt controller on Broadcom Vulcan/Cavium ThunderX2 are + * associated not at the root bus, but at a bridge below. This quirk avoids + * generating invalid DMA aliases. + */ +static void quirk_bridge_cavm_thrx2_pcie_root(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_BRIDGE_XLATE_ROOT; +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000, + quirk_bridge_cavm_thrx2_pcie_root); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084, + quirk_bridge_cavm_thrx2_pcie_root); + +/* * Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero) * class code. Fix it. */ |