On Thu, 2014-10-23 at 18:27 +0100, Stefano Stabellini wrote:
> Introduce an arch specific function to find out whether a particular dma
> mapping operation needs to bounce on the swiotlb buffer.
>
> On ARM and ARM64, if the page involved is a foreign page and the device
> is not coherent, we need
Introduce an arch specific function to find out whether a particular dma
mapping operation needs to bounce on the swiotlb buffer.
On ARM and ARM64, if the page involved is a foreign page and the device
is not coherent, we need to bounce because at unmap time we cannot
execute any required cache ma
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