Messages in this thread Patch in this message | | | Date | Thu, 11 Nov 2021 08:57:47 -0000 | From | "tip-bot2 for Marc Zyngier" <> | Subject | [tip: irq/urgent] PCI: Add MSI masking quirk for Nvidia ION AHCI |
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The following commit has been merged into the irq/urgent branch of tip:
Commit-ID: f21082fb20dbfb3e42b769b59ef21c2a7f2c7c1f Gitweb: https://git.kernel.org/tip/f21082fb20dbfb3e42b769b59ef21c2a7f2c7c1f Author: Marc Zyngier <maz@kernel.org> AuthorDate: Thu, 04 Nov 2021 18:01:30 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Thu, 11 Nov 2021 09:50:31 +01:00
PCI: Add MSI masking quirk for Nvidia ION AHCI
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> Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Rui Salvaterra <rsalvaterra@gmail.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: Bjorn Helgaas <helgaas@kernel.org> Link: https://lore.kernel.org/r/CALjTZvbzYfBuLB+H=fj2J+9=DxjQ2Uqcy0if_PvmJ-nU-qEgkg@mail.gmail.com Link: https://lore.kernel.org/r/20211104180130.3825416-3-maz@kernel.org --- drivers/pci/quirks.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index aedb78c..003950c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5851,3 +5851,9 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_PERICOM, 0x2303, pci_fixup_pericom_acs_store_forward); DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_PERICOM, 0x2303, pci_fixup_pericom_acs_store_forward); + +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);
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