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 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