Looks pretty sensible.
> - if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32)) {
> + if (!dmar_forcedac && dma_mask > DMA_BIT_MASK(32) &&
> + dev_is_pci(dev) && !pci_is_pcie(to_pci_dev(dev))) {
The only thing I wonder is if it is worth to add a little helper
for this check, but with everything moving to dma-iommu that might
not be needed.
Btw, does anyone know what the status of the intel-iommu conversion
to dma-iommu is?
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