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@xxxxxxxxxxxxxxx> > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > --- > drivers/iommu/tegra-smmu.c | 37 ++++++++++++++++++++++++++++++++----- > 1 file changed, 32 insertions(+), 5 deletions(-) > Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>