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

[Marc Zyngier]

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
> case.
> 
> Skip applying the XHCI_ZERO_64B_REGS quirk if the device's iommu domain is
> passthrough.
> 
> 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>

	M.

-- 
Without deviation from the norm, progress is not possible.