[PATCH v4 4/7] xen/arm: use is_dma_coherent

[Ian Campbell]

On Fri, 2014-10-10 at 12:51 +0100, Stefano Stabellini wrote:
> Use is_dma_coherent to check whether we need to issue cache maintenance
> operations rather than checking on the existence of a particular
> dma_ops function for the device.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini at eu.citrix.com>

Acked-by: Ian Campbell <ian.campbell at citrix.com>