1 files changed, 7 insertions, 5 deletions

diff --git a/arch/arm/include/asm/dma-iommu.h b/arch/arm/include/asm/dma-iommu.h
index a8c56acc8c98..eec0a12c5c1d 100644
--- a/arch/arm/include/asm/dma-iommu.h
+++ b/arch/arm/include/asm/dma-iommu.h
@@ -13,9 +13,12 @@ struct dma_iommu_mapping {
         /* iommu specific data */
         struct iommu_domain     *domain;
 
-        void                    *bitmap;
-        size_t                  bits;
-        unsigned int            order;
+        unsigned long           **bitmaps;      /* array of bitmaps */
+        unsigned int            nr_bitmaps;     /* nr of elements in array */
+        unsigned int            extensions;
+        size_t                  bitmap_size;    /* size of a single bitmap */
+        size_t                  bits;           /* per bitmap */
+        unsigned int            size;           /* per bitmap */
         dma_addr_t              base;
 
         spinlock_t              lock;
@@ -23,8 +26,7 @@ struct dma_iommu_mapping {
 };
 
 struct dma_iommu_mapping *
-arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size,
-                         int order);
+arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t size);
 
 void arm_iommu_release_mapping(struct dma_iommu_mapping *mapping);