1 files changed, 2 insertions, 53 deletions

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 441781d12553..9b1d62d03370 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -339,8 +339,6 @@ static void domain_exit(struct dmar_domain *domain);
 static void domain_remove_dev_info(struct dmar_domain *domain);
 static void dmar_remove_one_dev_info(struct device *dev);
 static void __dmar_remove_one_dev_info(struct device_domain_info *info);
-static void domain_context_clear(struct intel_iommu *iommu,
-				 struct device *dev);
 static int domain_detach_iommu(struct dmar_domain *domain,
 			       struct intel_iommu *iommu);
 static bool device_is_rmrr_locked(struct device *dev);
@@ -2105,26 +2103,9 @@ out_unlock:
 	return ret;
 }
 
-struct domain_context_mapping_data {
-	struct dmar_domain *domain;
-	struct intel_iommu *iommu;
-	struct pasid_table *table;
-};
-
-static int domain_context_mapping_cb(struct pci_dev *pdev,
-				     u16 alias, void *opaque)
-{
-	struct domain_context_mapping_data *data = opaque;
-
-	return domain_context_mapping_one(data->domain, data->iommu,
-					  data->table, PCI_BUS_NUM(alias),
-					  alias & 0xff);
-}
-
 static int
 domain_context_mapping(struct dmar_domain *domain, struct device *dev)
 {
-	struct domain_context_mapping_data data;
 	struct pasid_table *table;
 	struct intel_iommu *iommu;
 	u8 bus, devfn;
@@ -2134,17 +2115,7 @@ domain_context_mapping(struct dmar_domain *domain, struct device *dev)
 		return -ENODEV;
 
 	table = intel_pasid_get_table(dev);
-
-	if (!dev_is_pci(dev))
-		return domain_context_mapping_one(domain, iommu, table,
-						  bus, devfn);
-
-	data.domain = domain;
-	data.iommu = iommu;
-	data.table = table;
-
-	return pci_for_each_dma_alias(to_pci_dev(dev),
-				      &domain_context_mapping_cb, &data);
+	return domain_context_mapping_one(domain, iommu, table, bus, devfn);
 }
 
 static int domain_context_mapped_cb(struct pci_dev *pdev,
@@ -4784,28 +4755,6 @@ out_free_dmar:
 	return ret;
 }
 
-static int domain_context_clear_one_cb(struct pci_dev *pdev, u16 alias, void *opaque)
-{
-	struct intel_iommu *iommu = opaque;
-
-	domain_context_clear_one(iommu, PCI_BUS_NUM(alias), alias & 0xff);
-	return 0;
-}
-
-/*
- * NB - intel-iommu lacks any sort of reference counting for the users of
- * dependent devices.  If multiple endpoints have intersecting dependent
- * devices, unbinding the driver from any one of them will possibly leave
- * the others unable to operate.
- */
-static void domain_context_clear(struct intel_iommu *iommu, struct device *dev)
-{
-	if (!iommu || !dev || !dev_is_pci(dev))
-		return;
-
-	pci_for_each_dma_alias(to_pci_dev(dev), &domain_context_clear_one_cb, iommu);
-}
-
 static void __dmar_remove_one_dev_info(struct device_domain_info *info)
 {
 	struct dmar_domain *domain;
@@ -4826,7 +4775,7 @@ static void __dmar_remove_one_dev_info(struct device_domain_info *info)
 					PASID_RID2PASID);
 
 		iommu_disable_dev_iotlb(info);
-		domain_context_clear(iommu, info->dev);
+		domain_context_clear_one(iommu, info->bus, info->devfn);
 		intel_pasid_free_table(info->dev);
 	}