Re: [PATCH] PCI: Add bridge DMA alias quirk for Intel 82801

From: Bjorn Helgaas
Date: Sat Jul 05 2014 - 12:31:51 EST


On Mon, Jun 23, 2014 at 04:36:25PM -0600, Alex Williamson wrote:
> 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.
>
> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Reported-by: Milos Kaurin <milos.kaurin@xxxxxxxxx>
> Tested-by: Milos Kaurin <milos.kaurin@xxxxxxxxx>

Applied to for-linus for v3.16, thanks!

> ---
>
> drivers/pci/quirks.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index 78a7df6..460c354 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);
>
> /*
> * AMD has indicated that the devices below do not support peer-to-peer
>
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