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-rw-r--r--drivers/iommu/intel/iommu.c7
-rw-r--r--drivers/iommu/iommu.c16
2 files changed, 7 insertions, 16 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 1b1ca63e6bbe..83674e32e58b 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2916,13 +2916,6 @@ static int device_def_domain_type(struct device *dev)
if (dev_is_pci(dev)) {
struct pci_dev *pdev = to_pci_dev(dev);
- /*
- * Prevent any device marked as untrusted from getting
- * placed into the statically identity mapping domain.
- */
- if (pdev->untrusted)
- return IOMMU_DOMAIN_DMA;
-
if ((iommu_identity_mapping & IDENTMAP_AZALIA) && IS_AZALIA(pdev))
return IOMMU_DOMAIN_IDENTITY;
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index b53446bb8c6b..9a5ec1c7a8ac 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1460,12 +1460,14 @@ EXPORT_SYMBOL_GPL(fsl_mc_device_group);
static int iommu_get_def_domain_type(struct device *dev)
{
const struct iommu_ops *ops = dev->bus->iommu_ops;
- unsigned int type = 0;
+
+ if (dev_is_pci(dev) && to_pci_dev(dev)->untrusted)
+ return IOMMU_DOMAIN_DMA;
if (ops->def_domain_type)
- type = ops->def_domain_type(dev);
+ return ops->def_domain_type(dev);
- return (type == 0) ? iommu_def_domain_type : type;
+ return 0;
}
static int iommu_group_alloc_default_domain(struct bus_type *bus,
@@ -1507,7 +1509,7 @@ static int iommu_alloc_default_domain(struct iommu_group *group,
if (group->default_domain)
return 0;
- type = iommu_get_def_domain_type(dev);
+ type = iommu_get_def_domain_type(dev) ? : iommu_def_domain_type;
return iommu_group_alloc_default_domain(dev->bus, group, type);
}
@@ -1645,12 +1647,8 @@ struct __group_domain_type {
static int probe_get_default_domain_type(struct device *dev, void *data)
{
- const struct iommu_ops *ops = dev->bus->iommu_ops;
struct __group_domain_type *gtype = data;
- unsigned int type = 0;
-
- if (ops->def_domain_type)
- type = ops->def_domain_type(dev);
+ unsigned int type = iommu_get_def_domain_type(dev);
if (type) {
if (gtype->type && gtype->type != type) {