. to catch anybody doing something funky.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 include/linux/swiotlb.h |    4 ++--
 lib/swiotlb.c           |   22 ++++++++++++----------
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index febedcf..2a98e6a 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -42,11 +42,11 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 
 extern int
 swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
-	       int direction);
+	       enum dma_data_direction direction);
 
 extern void
 swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
-		 int direction);
+		 enum dma_data_direction direction);
 
 extern int
 swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 5451517..94fc749 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -367,7 +367,8 @@ static void swiotlb_bounce(phys_addr_t phys, char *dma_addr, size_t size,
  */
 static void *
 swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys,
-		      unsigned long start_dma_addr, size_t size, int dir)
+		       unsigned long start_dma_addr, size_t size,
+		       enum dma_data_direction dir)
 {
 	unsigned long flags;
 	char *dma_addr;
@@ -473,7 +474,7 @@ found:
  */
 static void
 swiotlb_tbl_unmap_single(struct device *hwdev, char *dma_addr, size_t size,
-			int dir)
+			enum dma_data_direction dir)
 {
 	unsigned long flags;
 	int i, count, nslots = ALIGN(size, 1 << IO_TLB_SHIFT) >> IO_TLB_SHIFT;
@@ -515,7 +516,7 @@ swiotlb_tbl_unmap_single(struct device *hwdev, char *dma_addr, size_t size,
 
 static void
 swiotlb_tbl_sync_single(struct device *hwdev, char *dma_addr, size_t size,
-	    int dir, int target)
+	    enum dma_data_direction dir, int target)
 {
 	int index = (dma_addr - swiotlb_tbl_start) >> IO_TLB_SHIFT;
 	phys_addr_t phys = io_tlb_orig_addr[index];
@@ -608,7 +609,8 @@ swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr,
 EXPORT_SYMBOL(swiotlb_free_coherent);
 
 static void
-swiotlb_full(struct device *dev, size_t size, int dir, int do_panic)
+swiotlb_full(struct device *dev, size_t size, enum dma_data_direction dir,
+	     int do_panic)
 {
 	/*
 	 * Ran out of IOMMU space for this operation. This is very bad.
@@ -688,7 +690,7 @@ EXPORT_SYMBOL_GPL(swiotlb_map_page);
  * whatever the device wrote there.
  */
 static void unmap_single(struct device *hwdev, dma_addr_t dev_addr,
-			 size_t size, int dir)
+			 size_t size, enum dma_data_direction dir)
 {
 	phys_addr_t paddr = dma_to_phys(hwdev, dev_addr);
 
@@ -731,7 +733,7 @@ EXPORT_SYMBOL_GPL(swiotlb_unmap_page);
  */
 static void
 swiotlb_sync_single(struct device *hwdev, dma_addr_t dev_addr,
-		    size_t size, int dir, int target)
+		    size_t size, enum dma_data_direction dir, int target)
 {
 	phys_addr_t paddr = dma_to_phys(hwdev, dev_addr);
 
@@ -771,7 +773,7 @@ EXPORT_SYMBOL(swiotlb_sync_single_for_device);
 static void
 swiotlb_sync_single_range(struct device *hwdev, dma_addr_t dev_addr,
 			  unsigned long offset, size_t size,
-			  int dir, int target)
+			  enum dma_data_direction dir, int target)
 {
 	swiotlb_sync_single(hwdev, dev_addr + offset, size, dir, target);
 }
@@ -852,7 +854,7 @@ EXPORT_SYMBOL(swiotlb_map_sg_attrs);
 
 int
 swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
-	       int dir)
+	       enum dma_data_direction dir)
 {
 	return swiotlb_map_sg_attrs(hwdev, sgl, nelems, dir, NULL);
 }
@@ -879,7 +881,7 @@ EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);
 
 void
 swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
-		 int dir)
+		 enum dma_data_direction dir)
 {
 	return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, NULL);
 }
@@ -894,7 +896,7 @@ EXPORT_SYMBOL(swiotlb_unmap_sg);
  */
 static void
 swiotlb_sync_sg(struct device *hwdev, struct scatterlist *sgl,
-		int nelems, int dir, int target)
+		int nelems, enum dma_data_direction dir, int target)
 {
 	struct scatterlist *sg;
 	int i;
-- 
1.6.2.5

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