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-rw-r--r--drivers/iommu/arm-smmu-v3.c3
-rw-r--r--drivers/iommu/arm-smmu.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 803352d78d43..6ef9c3ed4344 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -1714,6 +1714,9 @@ arm_smmu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
struct io_pgtable_ops *ops = smmu_domain->pgtbl_ops;
+ if (domain->type == IOMMU_DOMAIN_IDENTITY)
+ return iova;
+
if (!ops)
return 0;
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 77242afa1efc..a36e80abf084 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1459,6 +1459,9 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain,
struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops;
+ if (domain->type == IOMMU_DOMAIN_IDENTITY)
+ return iova;
+
if (!ops)
return 0;