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Groups > linux.kernel > #1507549

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

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

Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
---
 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.

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Thread

[net-next PATCH RFC 00/26] Add support for DMA writable pages being  writable by the network stack Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:10 +0200
  [net-next PATCH RFC 26/26] igb: Revert "igb: Revert support for  build_skb in igb" Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:10 +0200
  [net-next PATCH RFC 07/26] arch/c6x: Add option to skip sync on DMA  map and unmap Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:10 +0200
  [net-next PATCH RFC 10/26] arch/m68k: Add option to skip DMA sync  as a part of mapping Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:10 +0200
  [net-next PATCH RFC 13/26] arch/mips: Add option to skip DMA sync  as a part of map and unmap Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:10 +0200
  [net-next PATCH RFC 12/26] arch/microblaze: Add option to skip DMA  sync as a part of map and unmap Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:10 +0200
  Re: [net-next PATCH RFC 01/26] swiotlb: Drop unused function  swiotlb_map_sg Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2016-10-24 20:20 +0200
  [net-next PATCH RFC 02/26] swiotlb: Add support for  DMA_ATTR_SKIP_CPU_SYNC Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:20 +0200
  [net-next PATCH RFC 01/26] swiotlb: Drop unused function  swiotlb_map_sg Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:20 +0200
  [net-next PATCH RFC 09/26] arch/hexagon: Add option to skip DMA  sync as a part of mapping Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:20 +0200
  [net-next PATCH RFC 08/26] arch/frv: Add option to skip sync on DMA  map Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:20 +0200
  [net-next PATCH RFC 15/26] arch/openrisc: Add option to skip DMA  sync as a part of mapping Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:20 +0200
  [net-next PATCH RFC 03/26] arch/arc: Add option to skip sync on DMA  mapping Alexander Duyck <alexander.h.duyck@intel.com> - 2016-10-24 20:20 +0200

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