Messages in this thread Patch in this message | | | From | Marc Zyngier <> | Subject | [PATCH 2/2] PCI: Add MSI masking quirk for Nvidia ION AHCI | Date | Thu, 4 Nov 2021 18:01:30 +0000 |
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The ION AHCI device pretends that MSI masking isn't a thing, while it actually implements it and needs MSIs to be unmasked to work. Add a quirk to that effect.
Reported-by: Rui Salvaterra <rsalvaterra@gmail.com> Tested-by: Rui Salvaterra <rsalvaterra@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/CALjTZvbzYfBuLB+H=fj2J+9=DxjQ2Uqcy0if_PvmJ-nU-qEgkg@mail.gmail.com --- drivers/pci/quirks.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 4537d1ea14fd..89c7c99cd1bb 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5795,3 +5795,9 @@ static void apex_pci_fixup_class(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_CLASS_HEADER(0x1ac1, 0x089a, PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class); + +static void nvidia_ion_ahci_fixup(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_HAS_MSI_MASKING; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x0ab8, nvidia_ion_ahci_fixup); -- 2.30.2
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