Re: [PATCHv3 14/19] iommu/tegra: smmu: Get "nvidia,memory-clients" from DT

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On Thu, 31 Oct 2013 18:40:29 +0100
Mark Rutland <mark.rutland@xxxxxxx> wrote:

> For the ARM SMMU binding, each device has a #stream-id-cells property
> describing how many IDs it has, and then the SMMU node has a phandle+args
> linkage to each of the devices attached to it, describing their stream IDs.
> While this does have some limitations (a device can't be plugged into multiple
> SMMUs with a different number of IDs), it seems generally sane.

I may guess that the concept of "iommu domain" can hold the nested
IOMMU in an unified way?
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