On Fri, Oct 28, 2016 at 05:01:48PM +0100, Will Deacon wrote: > iommu/arm-smmu: Don't inadvertently reject multiple SMMUv3s Hmm, this patch is pretty ugly. Wouldn't it be better to have hardware-independent init-routine in the arm-smmu-v3 driver that checks DT whether there is an SMMU at all and if yes, sets the per-bus iommu-ops? Joerg