Commit 050d228a authored by Christoph Hellwig's avatar Christoph Hellwig
Browse files

dma-noop: remove dma_supported and mapping_error methods 



These just duplicate the default behavior if no method is provided.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent b02c2b0b

lib/dma-noop.c

+0 −12
Original line number Diff line number Diff line
@@ -54,23 +54,11 @@ static int dma_noop_map_sg(struct device *dev, struct scatterlist *sgl, int nent 
	return nents;

}



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

{

	return 0;

}



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

{

	return 1;

}



const struct dma_map_ops dma_noop_ops = {

	.alloc			= dma_noop_alloc,

	.free			= dma_noop_free,

	.map_page		= dma_noop_map_page,

	.map_sg			= dma_noop_map_sg,

	.mapping_error		= dma_noop_mapping_error,

	.dma_supported		= dma_noop_supported,

};



EXPORT_SYMBOL(dma_noop_ops);