On 2023/8/3 8:08, 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
Signed-off-by: Jason Gunthorpe<j...@nvidia.com>
---
drivers/iommu/msm_iommu.c | 23 +++++++++++++++++++----
1 file changed, 19 insertions(+), 4 deletions(-)
Reviewed-by: Lu Baolu <baolu...@linux.intel.com>
Best regards,
baolu
