* "Rework enabling/disabling of ATS for PCI masters" failed to compile on arm64
@ 2019-09-03 2:10 Qian Cai
2019-09-03 6:40 ` Will Deacon
0 siblings, 1 reply; 2+ messages in thread
From: Qian Cai @ 2019-09-03 2:10 UTC (permalink / raw)
To: Will Deacon
Cc: iommu, Joerg Roedel, Robin Murphy, linux-kernel, linux-arm-kernel
The linux-next commit “iommu/arm-smmu-v3: Rework enabling/disabling of ATS for PCI masters” [1] causes a compilation error when PCI_ATS=n on arm64.
[1] https://lore.kernel.org/linux-iommu/20190820154549.17018-3-will@kernel.org/
drivers/iommu/arm-smmu-v3.c:2325:35: error: no member named 'ats_cap' in 'struct pci_dev'
return !pdev->untrusted && pdev->ats_cap;
~~~~ ^
For example,
Symbol: PCI_ATS [=n]
│ Type : bool
│ Defined at drivers/pci/Kconfig:118
│ Depends on: PCI [=y]
│ Selected by [n]:
│ - PCI_IOV [=n] && PCI [=y]
│ - PCI_PRI [=n] && PCI [=y]│
│ - PCI_PASID [=n] && PCI [=y] │
│ - AMD_IOMMU [=n] && IOMMU_SUPPORT [=y] && X86_64 && PCI [=y] && ACPI [=y]
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2019-09-03 2:10 "Rework enabling/disabling of ATS for PCI masters" failed to compile on arm64 Qian Cai
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