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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: Ronald <rwarsow@gmx.de>
Tested-by: Ronald <rwarsow@gmx.de>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
hifive-unleashed-5.1
Alex Williamson 2014-06-09 12:43:25 -06:00 committed by Bjorn Helgaas
parent ebdb51eb78
commit 98ca50db1b
1 changed files with 2 additions and 0 deletions
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drivers/pci/quirks.c
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@ -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)
{