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-rw-r--r--include/linux/iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 6470cd8..dca83d3 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -25,6 +25,7 @@
#define IOMMU_WRITE (2)
#define IOMMU_CACHE (4) /* DMA cache coherency */
+struct bus_type;
struct device;
struct iommu_domain {
@@ -52,6 +53,7 @@ struct iommu_ops {
};
extern void register_iommu(struct iommu_ops *ops);
+extern int bus_set_iommu(struct bus_type *bus, struct iommu_ops *ops);
extern bool iommu_found(void);
extern struct iommu_domain *iommu_domain_alloc(void);
extern void iommu_domain_free(struct iommu_domain *domain);