To properly reject too small DMA masks based on the addressability of the
bounce buffer.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
lib/swiotlb.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 9c100f0173bf..e0b8980334c3 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -1125,5 +1125,6 @@ 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 */
--
2.14.2
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