1 files changed, 8 insertions, 14 deletions

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
index 4a27fbdb2d84..2cd433a9c8a0 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
@@ -10,7 +10,6 @@
 #include <linux/slab.h>
 
 #include "arm-smmu-v3.h"
-#include "../../iommu-sva.h"
 #include "../../io-pgtable-arm.h"
 
 struct arm_smmu_mmu_notifier {
@@ -364,7 +363,13 @@ static int __arm_smmu_sva_bind(struct device *dev, ioasid_t pasid,
 	struct arm_smmu_bond *bond;
 	struct arm_smmu_master *master = dev_iommu_priv_get(dev);
 	struct iommu_domain *domain = iommu_get_domain_for_dev(dev);
-	struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain);
+	struct arm_smmu_domain *smmu_domain;
+
+	if (!(domain->type & __IOMMU_DOMAIN_PAGING))
+		return -ENODEV;
+	smmu_domain = to_smmu_domain(domain);
+	if (smmu_domain->stage != ARM_SMMU_DOMAIN_S1)
+		return -ENODEV;
 
 	if (!master || !master->sva_enabled)
 		return -ENODEV;
@@ -470,7 +475,6 @@ bool arm_smmu_master_sva_enabled(struct arm_smmu_master *master)
 
 static int arm_smmu_master_sva_enable_iopf(struct arm_smmu_master *master)
 {
-	int ret;
 	struct device *dev = master->dev;
 
 	/*
@@ -483,16 +487,7 @@ static int arm_smmu_master_sva_enable_iopf(struct arm_smmu_master *master)
 	if (!master->iopf_enabled)
 		return -EINVAL;
 
-	ret = iopf_queue_add_device(master->smmu->evtq.iopf, dev);
-	if (ret)
-		return ret;
-
-	ret = iommu_register_device_fault_handler(dev, iommu_queue_iopf, dev);
-	if (ret) {
-		iopf_queue_remove_device(master->smmu->evtq.iopf, dev);
-		return ret;
-	}
-	return 0;
+	return iopf_queue_add_device(master->smmu->evtq.iopf, dev);
 }
 
 static void arm_smmu_master_sva_disable_iopf(struct arm_smmu_master *master)
@@ -502,7 +497,6 @@ static void arm_smmu_master_sva_disable_iopf(struct arm_smmu_master *master)
 	if (!master->iopf_enabled)
 		return;
 
-	iommu_unregister_device_fault_handler(dev);
 	iopf_queue_remove_device(master->smmu->evtq.iopf, dev);
 }