diff options
Diffstat (limited to 'lib/swiotlb.c')
-rw-r--r-- | lib/swiotlb.c | 32 |
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, | |||
756 | EXPORT_SYMBOL(swiotlb_sync_single_for_device); | 757 | EXPORT_SYMBOL(swiotlb_sync_single_for_device); |
757 | 758 | ||
758 | /* | 759 | /* |
759 | * Same as above, but for a sub-range of the mapping. | ||
760 | */ | ||
761 | static void | ||
762 | swiotlb_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 | |||
769 | void | ||
770 | swiotlb_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 | } | ||
777 | EXPORT_SYMBOL_GPL(swiotlb_sync_single_range_for_cpu); | ||
778 | |||
779 | void | ||
780 | swiotlb_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 | } | ||
787 | EXPORT_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 |