Re: [PATCH 1/4] ACPI/IORT: Check ATS capability in root complex nodes

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On 3/20/2019 1:36 PM, Jean-Philippe Brucker wrote:
  		err = pci_for_each_dma_alias(to_pci_dev(dev),
  					     iort_pci_iommu_init, &info);
+
+		if (!err && !iort_pci_rc_supports_ats(node))
+			dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_NO_ATS;

Is it possible to remove !err check here. ATS supported is just a flag
in IORT table. Does this decision have to rely on having a correct dma
alias?



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