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

From: Robin Murphy
Date: Wed Jan 10 2018 - 07:16:24 EST


On 10/01/18 08:09, Christoph Hellwig wrote:
To properly reject too small DMA masks based on the addressability of the
bounce buffer.

I reckon this is self-evident enough that it should simply be squashed into the previous patch.

Robin.

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 */