[PATCH RFC 01/17] iommu: Remove struct iommu_ops *iommu from arch_setup_dma_ops()

[Christoph Hellwig]

On Fri, Nov 03, 2023 at 01:44:46PM -0300, Jason Gunthorpe wrote:
> This is not being used to pass ops, it is just a way to tell if an
> iommu driver was probed. These days this can be detected directly via
> device_iommu_mapped(). Call device_iommu_mapped() in the two places that
> need to check it and remove the iommu parameter everywhere.

Yes, that's much better than exposing the iommu ops to a place that
should not care about them:

Acked-by: Christoph Hellwig <hch at lst.de>