swiotlb: wire up ->dma_supported in swiotlb_dma_ops

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>

diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 0fae2f45c3c01170684bf25d5ea9609a0f05dc5e..539fd1099ba9f93bfa0d2c40f548ab66ad34ffc5 100644 (file)
--- 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 */