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?