[PATCH v7 11/24] iommu/tegra-smmu: Implement an IDENTITY domain

Jerry Snitselaar jsnitsel at redhat.com
Mon Aug 28 13:25:51 PDT 2023


On Wed, Aug 23, 2023 at 01:47:25PM -0300, Jason Gunthorpe wrote:
> What tegra-smmu does during tegra_smmu_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.
> 
> Reviewed-by: Lu Baolu <baolu.lu at linux.intel.com>
> Signed-off-by: Jason Gunthorpe <jgg at nvidia.com>
> ---
>  drivers/iommu/tegra-smmu.c | 37 ++++++++++++++++++++++++++++++++-----
>  1 file changed, 32 insertions(+), 5 deletions(-)
> 

Reviewed-by: Jerry Snitselaar <jsnitsel at redhat.com>




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