[PATCH v1 2/6] iommu/arm-smmu-v3: Set release_domain to arm_smmu_blocked_domain

Nicolin Chen
2025-10-12T23:58:07Z

Since the core now takes care of the require_direct case for the release
domain, simply use that via the release_domain op.

Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
---
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
index 2a8b46b948f05..2125ebfc9a70e 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
@@ -3582,12 +3582,6 @@ static void arm_smmu_release_device(struct device *dev)

WARN_ON(master->iopf_refcount);

- /* Put the STE back to what arm_smmu_init_strtab() sets */
- if (dev->iommu->require_direct)
- arm_smmu_attach_dev_identity(&arm_smmu_identity_domain, dev);
- else
- arm_smmu_attach_dev_blocked(&arm_smmu_blocked_domain, dev);
-
arm_smmu_disable_pasid(master);
arm_smmu_remove_master(master);
if (arm_smmu_cdtab_allocated(&master->cd_table))
@@ -3678,6 +3672,7 @@ static int arm_smmu_def_domain_type(struct device *dev)
static const struct iommu_ops arm_smmu_ops = {
.identity_domain = &arm_smmu_identity_domain,
.blocked_domain = &arm_smmu_blocked_domain,
+ .release_domain = &arm_smmu_blocked_domain,
.capable = arm_smmu_capable,
.hw_info = arm_smmu_hw_info,
.domain_alloc_sva = arm_smmu_sva_domain_alloc,
--
2.43.0