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dma-virt: remove dma_supported and mapping_error methods 

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

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2017-05-22 11:04:17 +02:00
parent 050d228a74
commit 3be6d9b6da
1 changed files with 0 additions and 12 deletions
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12
lib/dma-virt.c
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@ -51,22 +51,10 @@ static int dma_virt_map_sg(struct device *dev, struct scatterlist *sgl,
return nents;
}
static int dma_virt_mapping_error(struct device *dev, dma_addr_t dma_addr)
{
return false;
}
static int dma_virt_supported(struct device *dev, u64 mask)
{
return true;
}
const struct dma_map_ops dma_virt_ops = {
.alloc = dma_virt_alloc,
.free = dma_virt_free,
.map_page = dma_virt_map_page,
.map_sg = dma_virt_map_sg,
.mapping_error = dma_virt_mapping_error,
.dma_supported = dma_virt_supported,
};
EXPORT_SYMBOL(dma_virt_ops);