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

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

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

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 i