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path: root/drivers/pci/quirks.c
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Diffstat (limited to 'drivers/pci/quirks.c')
-rw-r--r--drivers/pci/quirks.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index e2e2f7ab1d75..466401a015ec 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2174,6 +2174,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x005d, quirk_blacklist_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_LSI_LOGIC, 0x005f, quirk_blacklist_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, PCI_ANY_ID,
quirk_blacklist_vpd);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_QLOGIC, 0x2261, quirk_blacklist_vpd);
/*
* For Broadcom 5706, 5708, 5709 rev. A nics, any read beyond the
@@ -3959,6 +3960,20 @@ 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.
*/
@@ -4096,6 +4111,9 @@ static int pci_quirk_cavium_acs(struct pci_dev *dev, u16 acs_flags)
acs_flags &= ~(PCI_ACS_SV | PCI_ACS_TB | PCI_ACS_RR |
PCI_ACS_CR | PCI_ACS_UF | PCI_ACS_DT);
+ if (!((dev->device >= 0xa000) && (dev->device <= 0xa0ff)))
+ return -ENOTTY;
+
return acs_flags ? 0 : 1;
}