Re: [PATCH v6 13/25] iommu/omap: Implement an IDENTITY domain

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On 2023/8/3 8:08, Jason Gunthorpe wrote:
What omap does during omap_iommu_set_platform_dma() is actually putting
the iommu into identity mode.

Move to the new core support for ARM_DMA_USE_IOMMU by defining
ops->identity_domain.

This driver does not support IOMMU_DOMAIN_DMA, however it cannot be
compiled on ARM64 either. Most likely it is fine to support dma-iommu.c

Signed-off-by: Jason Gunthorpe<jgg@xxxxxxxxxx>
---
  drivers/iommu/omap-iommu.c | 21 ++++++++++++++++++---
  1 file changed, 18 insertions(+), 3 deletions(-)

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Best regards,
baolu



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