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

Robin Murphy
2018-01-10T12:16:21Z

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@lst.de>
> ---
> 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 */
>