On Mon, Sep 02, 2019 at 10:10:30PM -0400, Qian Cai wrote:
> 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-w...@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]

https://lkml.kernel.org/r/20190903063028.6ryuk5dmaohi2fqa@willie-the-truck

Will
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