[PATCH RFC 01/17] iommu: Remove struct iommu_ops *iommu from arch_setup_dma_ops()

Baolu Lu baolu.lu at linux.intel.com
Wed Nov 8 00:01:00 PST 2023


On 2023/11/4 0:44, Jason Gunthorpe wrote:
> This is not being used to pass ops, it is just a way to tell if an
> iommu driver was probed. These days this can be detected directly via
> device_iommu_mapped(). Call device_iommu_mapped() in the two places that
> need to check it and remove the iommu parameter everywhere.
> 
> Signed-off-by: Jason Gunthorpe<jgg at nvidia.com>
> ---
>   arch/arc/mm/dma.c               |  2 +-
>   arch/arm/mm/dma-mapping-nommu.c |  2 +-
>   arch/arm/mm/dma-mapping.c       | 10 +++++-----
>   arch/arm64/mm/dma-mapping.c     |  4 ++--
>   arch/mips/mm/dma-noncoherent.c  |  2 +-
>   arch/riscv/mm/dma-noncoherent.c |  2 +-
>   drivers/acpi/scan.c             |  3 +--
>   drivers/hv/hv_common.c          |  2 +-
>   drivers/of/device.c             |  2 +-
>   include/linux/dma-map-ops.h     |  4 ++--
>   10 files changed, 16 insertions(+), 17 deletions(-)

Reviewed-by: Lu Baolu <baolu.lu at linux.intel.com>

Best regards,
baolu



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