Re: [PATCH RESEND] xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu

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On 16.3.2023 11.11, Marc Zyngier wrote:
On Wed, 15 Mar 2023 18:14:40 +0000,
D Scott Phillips <scott@xxxxxxxxxxxxxxxxxxxxxx> wrote:

Previously the quirk was skipped when no iommu was present. The same
rationale for skipping the quirk also applies in the iommu.passthrough=1

Skip applying the XHCI_ZERO_64B_REGS quirk if the device's iommu domain is

Fixes: 12de0a35c996 ("xhci: Add quirk to zero 64bit registers on Renesas PCIe controllers")
Signed-off-by: D Scott Phillips <scott@xxxxxxxxxxxxxxxxxxxxxx>

Acked-by: Marc Zyngier <maz@xxxxxxxxxx>


Thanks, adding to queue


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