On Fri, Nov 21, 2025 at 05:57:29PM -0800, Nicolin Chen wrote:

This function can only be called on the default_domain. Trivally pass it
in. In all three existing cases, the default domain was just attached to
the device.

This avoids iommu_setup_dma_ops() calling iommu_get_domain_for_dev() that
will be used by external callers.

Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Nicolin Chen <redacted>
---
 drivers/iommu/dma-iommu.h | 5 +++--
 drivers/iommu/dma-iommu.c | 4 +---
 drivers/iommu/iommu.c     | 6 +++---
 3 files changed, 7 insertions(+), 8 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>

Jason