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? -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
