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Commit 1322d51c authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Tony Luck
Browse files

ia64/sn2: remove no-ops dma sync methods 



These do nothing but duplicating an assert that would have triggered
earlier on setting the dma mask, so remove them.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 361a2ab9

arch/ia64/sn/pci/pci_dma.c

+0 −29
Original line number Diff line number Diff line
@@ -314,31 +314,6 @@ static int sn_dma_map_sg(struct device *dev, struct scatterlist *sgl, 
	return nhwentries;

}



static void sn_dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,

				       size_t size, enum dma_data_direction dir)

{

	BUG_ON(!dev_is_pci(dev));

}



static void sn_dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle,

					  size_t size,

					  enum dma_data_direction dir)

{

	BUG_ON(!dev_is_pci(dev));

}



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

				   int nelems, enum dma_data_direction dir)

{

	BUG_ON(!dev_is_pci(dev));

}



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

				      int nelems, enum dma_data_direction dir)

{

	BUG_ON(!dev_is_pci(dev));

}



static int sn_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)

{

	return 0;
@@ -467,10 +442,6 @@ static struct dma_map_ops sn_dma_ops = { 
	.unmap_page		= sn_dma_unmap_page,

	.map_sg			= sn_dma_map_sg,

	.unmap_sg		= sn_dma_unmap_sg,

	.sync_single_for_cpu 	= sn_dma_sync_single_for_cpu,

	.sync_sg_for_cpu	= sn_dma_sync_sg_for_cpu,

	.sync_single_for_device = sn_dma_sync_single_for_device,

	.sync_sg_for_device	= sn_dma_sync_sg_for_device,

	.mapping_error		= sn_dma_mapping_error,

	.dma_supported		= sn_dma_supported,

};