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 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