linux-kernel - [net-next PATCH 01/27] swiotlb: Drop unused function swiotlb_map

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Date:   Tue, 25 Oct 2016 11:36:53 -0400
From:   Alexander Duyck <alexander.h.duyck@...el.com>
To:     netdev@...r.kernel.org, intel-wired-lan@...ts.osuosl.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     brouer@...hat.com, davem@...emloft.net,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [net-next PATCH 01/27] swiotlb: Drop unused function swiotlb_map_sg

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

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.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.