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-rw-r--r--include/linux/iommu.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index b944b2be4fa2..dc767f7c3704 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -225,6 +225,7 @@ extern void iommu_set_fault_handler(struct iommu_domain *domain,
extern void iommu_get_dm_regions(struct device *dev, struct list_head *list);
extern void iommu_put_dm_regions(struct device *dev, struct list_head *list);
+extern int iommu_request_dm_for_dev(struct device *dev);
extern int iommu_attach_group(struct iommu_domain *domain,
struct iommu_group *group);
@@ -411,6 +412,11 @@ static inline void iommu_put_dm_regions(struct device *dev,
{
}
+static inline int iommu_request_dm_for_dev(struct device *dev)
+{
+ return -ENODEV;
+}
+
static inline int iommu_attach_group(struct iommu_domain *domain,
struct iommu_group *group)
{