Messages in this thread | | | Subject | Re: [PATCH 3/5] iommu/tegra-smmu: Use iommu_fwspec in .probe_/.attach_device() | From | Dmitry Osipenko <> | Date | Tue, 29 Sep 2020 07:06:37 +0300 |
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... >> As I mentioned in another reply, I think tegra_smmu_find() should be all >> you need in this case. > > This function is used by .probe_device() where its dev pointer is > an SMMU client. IIUC, tegra_smmu_find() needs np pointer of "mc". > For a PCI device that doesn't have a DT node with iommus property, > not sure how we can use tegra_smmu_find().
Perhaps you could get np from struct pci_dev.bus?
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