Commit 8ab4abbe authored Jul 05, 2014 by Alex Williamson Committed by Bjorn Helgaas Jul 05, 2014

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>

parent 7171511e

drivers/pci/quirks.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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)
		{