[PATCH 08/22] swiotlb: wire up ->dma_supported in swiotlb_dma_ops

Christoph Hellwig hch at lst.de
Wed Jan 10 00:09:18 PST 2018


To properly reject too small DMA masks based on the addressability of the
bounce buffer.

Signed-off-by: Christoph Hellwig <hch at lst.de>
---
 lib/swiotlb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 0fae2f45c3c0..539fd1099ba9 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -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 */
-- 
2.14.2




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