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Commit 98ca50db authored by Alex Williamson's avatar Alex Williamson Committed by Bjorn Helgaas
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PCI: Add bridge DMA alias quirk for ITE bridge 

The ITE 8892 is a PCIe-to-PCI bridge but doesn't have a PCIe capability.
Quirk it so we can figure out the DMA alias for devices below the bridge,
so they work correctly with an IOMMU.

[bhelgaas: add changelog]
Link: https://bugzilla.kernel.org/show_bug.cgi?id=73551


Reported-by: default avatarRonald <rwarsow@gmx.de>
Tested-by: default avatarRonald <rwarsow@gmx.de>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent ebdb51eb

drivers/pci/quirks.c

+2 −0
Original line number Diff line number Diff line
@@ -3407,6 +3407,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ASMEDIA, 0x1080, 
			 quirk_use_pcie_bridge_dma_alias);

/* Tundra 8113, https://bugzilla.kernel.org/show_bug.cgi?id=44881#c43 */

DECLARE_PCI_FIXUP_HEADER(0x10e3, 0x8113, quirk_use_pcie_bridge_dma_alias);

/* ITE 8892, https://bugzilla.kernel.org/show_bug.cgi?id=73551 */

DECLARE_PCI_FIXUP_HEADER(0x1283, 0x8892, quirk_use_pcie_bridge_dma_alias);



static struct pci_dev *pci_func_0_dma_source(struct pci_dev *dev)

{