[PATCH] swiotlb: remove unused swiotlb_map_sg and swiotlb_unmap_sg functions

[PATCH] swiotlb: remove unused swiotlb_map_sg and swiotlb_unmap_sg functions

[Christoph Hellwig]

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/swiotlb.h |  8 --------
 lib/swiotlb.c           | 16 ----------------
 2 files changed, 24 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 5f81f8a..f0d2589 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -73,14 +73,6 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 			       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);
-
-extern int
 swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
 		     enum dma_data_direction dir,
 		     unsigned long attrs);
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 22e13a0..5005316 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -910,14 +910,6 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
 }
 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.
@@ -938,14 +930,6 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
 }
 EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);
 
-void
-swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
-		 enum dma_data_direction dir)
-{
-	return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, 0);
-}
-EXPORT_SYMBOL(swiotlb_unmap_sg);
-
 /*
  * Make physical memory consistent for a set of streaming mode DMA translations
  * after a transfer.
-- 
2.1.4

Re: [PATCH] swiotlb: remove unused swiotlb_map_sg and swiotlb_unmap_sg functions

[Konrad Rzeszutek Wilk]

On Sun, Sep 11, 2016 at 06:34:18PM +0200, Christoph Hellwig wrote:
> Signed-off-by: Christoph Hellwig <hch@lst.de>

Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> ---
>  include/linux/swiotlb.h |  8 --------
>  lib/swiotlb.c           | 16 ----------------
>  2 files changed, 24 deletions(-)
> 
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 5f81f8a..f0d2589 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -73,14 +73,6 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
>  			       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);
> -
> -extern int
>  swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
>  		     enum dma_data_direction dir,
>  		     unsigned long attrs);
> diff --git a/lib/swiotlb.c b/lib/swiotlb.c
> index 22e13a0..5005316 100644
> --- a/lib/swiotlb.c
> +++ b/lib/swiotlb.c
> @@ -910,14 +910,6 @@ swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
>  }
>  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.
> @@ -938,14 +930,6 @@ swiotlb_unmap_sg_attrs(struct device *hwdev, struct scatterlist *sgl,
>  }
>  EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);
>  
> -void
> -swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
> -		 enum dma_data_direction dir)
> -{
> -	return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, 0);
> -}
> -EXPORT_SYMBOL(swiotlb_unmap_sg);
> -
>  /*
>   * Make physical memory consistent for a set of streaming mode DMA translations
>   * after a transfer.
> -- 
> 2.1.4
>