[net-next PATCH RFC 01/26] swiotlb: Drop unused function swiotlb_map_sg

From: Alexander Duyck
Date: Mon Oct 24 2016 - 14:15:38 EST


There are no users for swiotlb_map_sg so we might as well just drop it.

Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Signed-off-by: Alexander Duyck <alexander.h.duyck@xxxxxxxxx>
---
include/linux/swiotlb.h | 4 ----
lib/swiotlb.c | 8 --------
2 files changed, 12 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 5f81f8a..e237b6f 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -72,10 +72,6 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
size_t size, enum dma_data_direction dir,
unsigned long attrs);

-extern int
-swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
- enum dma_data_direction dir);
-
extern void
swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
enum dma_data_direction dir);
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 22e13a0..47aad37 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -910,14 +910,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
}
EXPORT_SYMBOL(swiotlb_map_sg_attrs);

-int
-swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
- enum dma_data_direction dir)
-{
- return swiotlb_map_sg_attrs(hwdev, sgl, nelems, dir, 0);
-}
-EXPORT_SYMBOL(swiotlb_map_sg);
-
/*
* Unmap a set of streaming mode DMA translations. Again, cpu read rules
* concerning calls here are the same as for swiotlb_unmap_page() above.