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

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Message-ID: <20140705163143.GB6247@google.com>
Date:	Sat, 5 Jul 2014 10:31:43 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Alex Williamson <alex.williamson@...hat.com>
Cc:	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] PCI: Add bridge DMA alias quirk for Intel 82801

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@...hat.com>
> Reported-by: Milos Kaurin <milos.kaurin@...il.com>
> Tested-by: Milos Kaurin <milos.kaurin@...il.com>

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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