[PATCH v2 2/2] virtio: Document DMA coherency

Rob Herring
Tue, 07 Feb 2017 18:45:09 -0000

On Thu, Feb 02, 2017 at 04:36:21PM +0000, Robin Murphy
wrote:
> Since making use of the DMA API will require the architecture code to
> have the correct notion of device cache-coherency on architectures like
> ARM, explicitly call this out in the virtio-mmio DT binding. The ship
> has sailed for legacy virtio, but let's hope that we can head off any
> future firmware mishaps.
>
> Signed-off-by: Robin Murphy <robin.murphy at arm.com>
> ---
>  Documentation/devicetree/bindings/virtio/mmio.txt | 11 +++++++++++
>  1 file changed, 11 insertions(+)

Acked-by: Rob Herring <robh at kernel.org>