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

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On Thu, 31 Oct 2013 20:16:18 +0100
Stephen Warren <swarren@xxxxxxxxxxxxx> wrote:

> Hmm. That's interesting. I see that the ARM SMMU has a list of the
> clients it affects, whereas this Tegra series puts information into each
> client device about the SMMU(s) that affect it. Is it better to flip the
> Tegra binding around to match the style of the ARM SMMU?

That's better from consistency POV.

Can this be used to control the device instanciation order?

I'm considering the following scenario:
If a device phandle is listed in mmu-masters, that device probe would
be defered till IOMMU is instanciated.

How does ARM SMMU deal with this issue now?
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