On Wed, Aug 23, 2023 at 01:47:28PM -0300, Jason Gunthorpe wrote: > What msm does during msm_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 > > Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx> > --- > drivers/iommu/msm_iommu.c | 23 +++++++++++++++++++---- > 1 file changed, 19 insertions(+), 4 deletions(-) > Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>