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

[Christoph Hellwig]

On Wed, Jan 10, 2018 at 12:16:15PM +0000, Robin Murphy wrote:
> 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.

x86 didn't wire it up before, so I want a clear blaimpoint for this
change instead of mixing it up.