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-rw-r--r--drivers/iommu/iommu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 7f50013b0bcf..f3698006cb53 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -36,7 +36,11 @@
static struct kset *iommu_group_kset;
static DEFINE_IDA(iommu_group_ida);
+#ifdef CONFIG_IOMMU_DEFAULT_PASSTHROUGH
+static unsigned int iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY;
+#else
static unsigned int iommu_def_domain_type = IOMMU_DOMAIN_DMA;
+#endif
struct iommu_callback_data {
const struct iommu_ops *ops;