Re: [PATCH] PCI: quirk dma_alias_devfn for HighPoint RocketRaid 642L (Marvell 9235)

From: Bjorn Helgaas
Date: Wed Jun 11 2014 - 15:54:10 EST


On Tue, Jun 03, 2014 at 03:41:56PM -0400, Jérôme Carretero wrote:
> This vendor has similar boards based on the same Marvell 88SE9235 chipset,
> but this patch was only tested with the 642L.
>
> Tested on ASUS Sabertooth 990FX (AMD).
>
> If you listen to the vendor support stating:
>
> Dear Customer,
> Sorry about that.
> Currently all our products' software package don't support IOMMU
> and we don't have plan to support that.
>
> ... you'll think you also wasted your money, but it turns out that you
> just lost a few hours of your valuable time talking to their support,
> because the good people from the Internet made their board work,
> with the regular AHCI driver, and even with IOMMU. Nice!
>
>
> Signed-off-by: Jérôme Carretero <cJ-ko@xxxxxxxxxxx>

Applied with Alex's ack to pci/iommu for v3.16, thanks!

Note that I only have the PCI parts here. There are several IOMMU patches
required in addition, and I haven't heard the fate of those.

> ---
> drivers/pci/quirks.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
> index f6a42bc..43c0ea0 100644
> --- a/drivers/pci/quirks.c
> +++ b/drivers/pci/quirks.c
> @@ -3380,6 +3380,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0,
> /* https://bugzilla.kernel.org/show_bug.cgi?id=42679#c49 */
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_MARVELL_EXT, 0x9230,
> quirk_dma_func1_alias);
> +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TTI, 0x0642,
> + quirk_dma_func1_alias);
> /* https://bugs.gentoo.org/show_bug.cgi?id=497630 */
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_JMICRON,
> PCI_DEVICE_ID_JMICRON_JMB388_ESD,
> --
> 2.0.0
>
> --
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