Marc Zyngier 7931b7e318 PCI: Add MSI masking quirk for Nvidia ION AHCI
commit f21082fb20dbfb3e42b769b59ef21c2a7f2c7c1f upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-21 13:44:14 +01:00
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