X-Git-Url: http://git.monstr.eu/?p=linux-2.6-microblaze.git;a=blobdiff_plain;f=include%2Flinux%2Fiommu.h;h=d2f3435e7d1765a09c109b7e74516d8b6bd87b29;hp=6633040a13f9acda831387842703eaf2edbf19c2;hb=69a5c49a9147e9daca76201e3d6edfea5ed8403a;hpb=d8768d7eb9c21ef928adb93402d9348bcc4a6915

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 6633040a13f9..d2f3435e7d17 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -441,11 +441,11 @@ extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
 extern size_t iommu_unmap_fast(struct iommu_domain *domain,
 			       unsigned long iova, size_t size,
 			       struct iommu_iotlb_gather *iotlb_gather);
-extern size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
-			   struct scatterlist *sg,unsigned int nents, int prot);
-extern size_t iommu_map_sg_atomic(struct iommu_domain *domain,
-				  unsigned long iova, struct scatterlist *sg,
-				  unsigned int nents, int prot);
+extern ssize_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+		struct scatterlist *sg, unsigned int nents, int prot);
+extern ssize_t iommu_map_sg_atomic(struct iommu_domain *domain,
+				   unsigned long iova, struct scatterlist *sg,
+				   unsigned int nents, int prot);
 extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
 extern void iommu_set_fault_handler(struct iommu_domain *domain,
 			iommu_fault_handler_t handler, void *token);
@@ -756,18 +756,18 @@ static inline size_t iommu_unmap_fast(struct iommu_domain *domain,
 	return 0;
 }
 
-static inline size_t iommu_map_sg(struct iommu_domain *domain,
-				  unsigned long iova, struct scatterlist *sg,
-				  unsigned int nents, int prot)
+static inline ssize_t iommu_map_sg(struct iommu_domain *domain,
+				   unsigned long iova, struct scatterlist *sg,
+				   unsigned int nents, int prot)
 {
-	return 0;
+	return -ENODEV;
 }
 
-static inline size_t iommu_map_sg_atomic(struct iommu_domain *domain,
+static inline ssize_t iommu_map_sg_atomic(struct iommu_domain *domain,
 				  unsigned long iova, struct scatterlist *sg,
 				  unsigned int nents, int prot)
 {
-	return 0;
+	return -ENODEV;
 }
 
 static inline void iommu_flush_iotlb_all(struct iommu_domain *domain)