[47/67] swiotlb: wire up ->dma_supported in swiotlb_dma_ops

Commit Message

Christoph Hellwig Dec. 29, 2017, 8:18 a.m. UTC

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

Signed-off-by: Christoph Hellwig <[e-mail]>
---
 lib/swiotlb.c | 1 +
 1 file changed, 1 insertion(+)

Patch

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 */