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swiotlb: export swiotlb_dma_ops

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For architectures that do not use per-device dma ops we need to export
the dma_map_ops structure returned from get_arch_dma_ops().

Fixes: 10314e09 ("riscv: add swiotlb support")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Andreas Schwab <schwab@suse.de>
This commit is contained in:
Christoph Hellwig 2018-06-28 13:59:25 +02:00
parent f57494321c
commit 210d0797c9
1 changed files with 1 additions and 0 deletions
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kernel/dma/swiotlb.c
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@ -1085,3 +1085,4 @@ const struct dma_map_ops swiotlb_dma_ops = {
.unmap_page = swiotlb_unmap_page,
.dma_supported = dma_direct_supported,
};
EXPORT_SYMBOL(swiotlb_dma_ops);