[GIT PULL] iommu/arm-smmu: Fixes for 4.9

[Joerg Roedel]

On Thu, Nov 03, 2016 at 04:57:40PM +0000, Robin Murphy wrote:
> But if it is someone else's ops, then all that means is that the SMMU
> driver isn't going to get notified about devices on that bus, or get
> called with them later, so I still don't see where the problem is. If
> there are devices on that bus which the SMMU *is* supposed to be
> managing, then that system can't be supported with the current API anyway.

If another IOMMU is already probed and set its iommu_ops, than there is
no point in probing the smmu anyway, no? The probe function should
return the failed probe in that case and not proceed silently.


	Joerg