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-rw-r--r--lib/swiotlb.c32
1 files changed, 1 insertions, 31 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 437eedb5a53b..a009055140ec 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -28,6 +28,7 @@
28#include <linux/types.h> 28#include <linux/types.h>
29#include <linux/ctype.h> 29#include <linux/ctype.h>
30#include <linux/highmem.h> 30#include <linux/highmem.h>
31#include <linux/gfp.h>
31 32
32#include <asm/io.h> 33#include <asm/io.h>
33#include <asm/dma.h> 34#include <asm/dma.h>
@@ -756,37 +757,6 @@ swiotlb_sync_single_for_device(struct device *hwdev, dma_addr_t dev_addr,
756EXPORT_SYMBOL(swiotlb_sync_single_for_device); 757EXPORT_SYMBOL(swiotlb_sync_single_for_device);
757 758
758/* 759/*
759 * Same as above, but for a sub-range of the mapping.
760 */
761static void
762swiotlb_sync_single_range(struct device *hwdev, dma_addr_t dev_addr,
763 unsigned long offset, size_t size,
764 int dir, int target)
765{
766 swiotlb_sync_single(hwdev, dev_addr + offset, size, dir, target);
767}
768
769void
770swiotlb_sync_single_range_for_cpu(struct device *hwdev, dma_addr_t dev_addr,
771 unsigned long offset, size_t size,
772 enum dma_data_direction dir)
773{
774 swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir,
775 SYNC_FOR_CPU);
776}
777EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_cpu);
778
779void
780swiotlb_sync_single_range_for_device(struct device *hwdev, dma_addr_t dev_addr,
781 unsigned long offset, size_t size,
782 enum dma_data_direction dir)
783{
784 swiotlb_sync_single_range(hwdev, dev_addr, offset, size, dir,
785 SYNC_FOR_DEVICE);
786}
787EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_device);
788
789/*
790 * Map a set of buffers described by scatterlist in streaming mode for DMA. 760 * Map a set of buffers described by scatterlist in streaming mode for DMA.
791 * This is the scatter-gather version of the above swiotlb_map_page 761 * This is the scatter-gather version of the above swiotlb_map_page
792 * interface. Here the scatter gather list elements are each tagged with the 762 * interface. Here the scatter gather list elements are each tagged with the