swiotlb: split swiotlb_tbl_sync_single

Split swiotlb_tbl_sync_single into two separate funtions for the to device
and to cpu synchronization.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 4 insertions, 13 deletions

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 59f421d041ed..0696bdc8072e 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -42,14 +42,6 @@ extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs);
 extern int swiotlb_late_init_with_default_size(size_t default_size);
 extern void __init swiotlb_update_mem_attributes(void);
 
-/*
- * Enumeration for sync targets
- */
-enum dma_sync_target {
-	SYNC_FOR_CPU = 0,
-	SYNC_FOR_DEVICE = 1,
-};
-
 phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys,
 		size_t mapping_size, size_t alloc_size,
 		enum dma_data_direction dir, unsigned long attrs);
@@ -60,11 +52,10 @@ extern void swiotlb_tbl_unmap_single(struct device *hwdev,
 				     enum dma_data_direction dir,
 				     unsigned long attrs);
 
-extern void swiotlb_tbl_sync_single(struct device *hwdev,
-				    phys_addr_t tlb_addr,
-				    size_t size, enum dma_data_direction dir,
-				    enum dma_sync_target target);
-
+void swiotlb_sync_single_for_device(struct device *dev, phys_addr_t tlb_addr,
+		size_t size, enum dma_data_direction dir);
+void swiotlb_sync_single_for_cpu(struct device *dev, phys_addr_t tlb_addr,
+		size_t size, enum dma_data_direction dir);
 dma_addr_t swiotlb_map(struct device *dev, phys_addr_t phys,
 		size_t size, enum dma_data_direction dir, unsigned long attrs);