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authorAlex Williamson <alex.williamson@redhat.com>2014-07-05 23:26:52 +0200
committerBjorn Helgaas <bhelgaas@google.com>2014-07-05 23:26:52 +0200
commit8ab4abbee6df256e7afb7e90a3332aed7453d538 (patch)
treee80ced4e9f1b6116a873b4f424d5d0748d799939
parentLinux 3.16-rc1 (diff)
downloadlinux-8ab4abbee6df256e7afb7e90a3332aed7453d538.tar.xz
linux-8ab4abbee6df256e7afb7e90a3332aed7453d538.zip
PCI: Add bridge DMA alias quirk for Intel 82801 bridge
This bridge sometimes shows up as a root complex device and sometimes as a discrete PCIe-to-PCI bridge. Testing indicates that in the latter case, we need to enable the PCIe bridge DMA alias quirk. Reported-by: Milos Kaurin <milos.kaurin@gmail.com> Tested-by: Milos Kaurin <milos.kaurin@gmail.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
-rw-r--r--drivers/pci/quirks.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index d0f69269eb6c..ad566827b547 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3405,6 +3405,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ASMEDIA, 0x1080,
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);
+/* Intel 82801, https://bugzilla.kernel.org/show_bug.cgi?id=44881#c49 */
+DECLARE_PCI_FIXUP_HEADER(0x8086, 0x244e, quirk_use_pcie_bridge_dma_alias);
static struct pci_dev *pci_func_0_dma_source(struct pci_dev *dev)
{