net-ks8842: move to dma_transfer_direction

fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves net/ks8842 drivers to use new enum

Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Samuel Ortiz <sameo@linux.intel.com>

drivers/net/ks8842.c

@@ -459,7 +459,7 @@ static int ks8842_tx_frame_dma(struct sk_buff *skb, struct net_device *netdev)
 		sg_dma_len(&ctl->sg) += 4 - sg_dma_len(&ctl->sg) % 4;
 
 	ctl->adesc = ctl->chan->device->device_prep_slave_sg(ctl->chan,
-		&ctl->sg, 1, DMA_TO_DEVICE,
+		&ctl->sg, 1, DMA_MEM_TO_DEV,
 		DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_SRC_UNMAP);
 	if (!ctl->adesc)
 		return NETDEV_TX_BUSY;
@@ -571,7 +571,7 @@ static int __ks8842_start_new_rx_dma(struct net_device *netdev)
 		sg_dma_len(sg) = DMA_BUFFER_SIZE;
 
 		ctl->adesc = ctl->chan->device->device_prep_slave_sg(ctl->chan,
-			sg, 1, DMA_FROM_DEVICE,
+			sg, 1, DMA_DEV_TO_MEM,
 			DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_SRC_UNMAP);
 
 		if (!ctl->adesc)