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Commit 6b3f246e authored by Michal Simek's avatar Michal Simek
Browse files

microblaze: Do not setup empty unmap_sg function 



No reason to setup empty function. Core is checking
if this function should be called or not.

Signed-off-by: default avatarMichal Simek <michal.simek@xilinx.com>
parent ff97ba6d

arch/microblaze/kernel/dma.c

+0 −7
Original line number Diff line number Diff line
@@ -68,12 +68,6 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, 
	return nents;

}



static void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sg,

				int nents, enum dma_data_direction direction,

				struct dma_attrs *attrs)

{

}



static int dma_direct_dma_supported(struct device *dev, u64 mask)

{

	return 1;
@@ -164,7 +158,6 @@ struct dma_map_ops dma_direct_ops = { 
	.alloc		= dma_direct_alloc_coherent,

	.free		= dma_direct_free_coherent,

	.map_sg		= dma_direct_map_sg,

	.unmap_sg	= dma_direct_unmap_sg,

	.dma_supported	= dma_direct_dma_supported,

	.map_page	= dma_direct_map_page,

	.unmap_page	= dma_direct_unmap_page,