We need to be passing the of_platform device struct into the DMA ops as
its the one that has the archdata setup to know which low-level DMA ops we
should be using (not the net_device one).  This isn't an issue until we
expect the archdata to be setup correctly.
Signed-off-by: NKumar Gala <galak@kernel.crashing.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>