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swiotlb: wire up ->dma_supported in swiotlb_dma_ops
authorChristoph Hellwig <hch@lst.de>
Sun, 24 Dec 2017 14:07:34 +0000 (15:07 +0100)
committerChristoph Hellwig <hch@lst.de>
Mon, 15 Jan 2018 08:35:46 +0000 (09:35 +0100)
To properly reject too small DMA masks based on the addressability of the
bounce buffer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Christian König <christian.koenig@amd.com>
lib/swiotlb.c

index 0fae2f4..539fd10 100644 (file)
@@ -1128,5 +1128,6 @@ const struct dma_map_ops swiotlb_dma_ops = {
        .unmap_sg               = swiotlb_unmap_sg_attrs,
        .map_page               = swiotlb_map_page,
        .unmap_page             = swiotlb_unmap_page,
+       .dma_supported          = swiotlb_dma_supported,
 };
 #endif /* CONFIG_DMA_DIRECT_OPS */