sparc: Convert all SBUS drivers to dma_*() interfaces.

And all the SBUS dma interfaces are deleted.

A private implementation remains inside of the 32-bit sparc port which
exists only for the sake of the implementation of dma_*().

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 35 insertions, 33 deletions

diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index b92218c..8fe4c49 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -23,6 +23,7 @@
 #include <linux/etherdevice.h>
 #include <linux/skbuff.h>
 #include <linux/bitops.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/auxio.h>
 #include <asm/byteorder.h>
@@ -239,9 +240,10 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq)
 		skb_reserve(skb, 34);
 
 		bb->be_rxd[i].rx_addr =
-			sbus_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
-					RX_BUF_ALLOC_SIZE - 34,
-					SBUS_DMA_FROMDEVICE);
+			dma_map_single(&bp->bigmac_sdev->ofdev.dev,
+				       skb->data,
+				       RX_BUF_ALLOC_SIZE - 34,
+				       DMA_FROM_DEVICE);
 		bb->be_rxd[i].rx_flags =
 			(RXD_OWN | ((RX_BUF_ALLOC_SIZE - 34) & RXD_LENGTH));
 	}
@@ -776,9 +778,9 @@ static void bigmac_tx(struct bigmac *bp)
 		skb = bp->tx_skbs[elem];
 		bp->enet_stats.tx_packets++;
 		bp->enet_stats.tx_bytes += skb->len;
-		sbus_unmap_single(&bp->bigmac_sdev->ofdev.dev,
-				  this->tx_addr, skb->len,
-				  SBUS_DMA_TODEVICE);
+		dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
+				 this->tx_addr, skb->len,
+				 DMA_TO_DEVICE);
 
 		DTX(("skb(%p) ", skb));
 		bp->tx_skbs[elem] = NULL;
@@ -831,19 +833,19 @@ static void bigmac_rx(struct bigmac *bp)
 				drops++;
 				goto drop_it;
 			}
-			sbus_unmap_single(&bp->bigmac_sdev->ofdev.dev,
-					  this->rx_addr,
-					  RX_BUF_ALLOC_SIZE - 34,
-					  SBUS_DMA_FROMDEVICE);
+			dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
+					 this->rx_addr,
+					 RX_BUF_ALLOC_SIZE - 34,
+					 DMA_FROM_DEVICE);
 			bp->rx_skbs[elem] = new_skb;
 			new_skb->dev = bp->dev;
 			skb_put(new_skb, ETH_FRAME_LEN);
 			skb_reserve(new_skb, 34);
 			this->rx_addr =
-				sbus_map_single(&bp->bigmac_sdev->ofdev.dev,
-						new_skb->data,
-						RX_BUF_ALLOC_SIZE - 34,
-						SBUS_DMA_FROMDEVICE);
+				dma_map_single(&bp->bigmac_sdev->ofdev.dev,
+					       new_skb->data,
+					       RX_BUF_ALLOC_SIZE - 34,
+					       DMA_FROM_DEVICE);
 			this->rx_flags =
 				(RXD_OWN | ((RX_BUF_ALLOC_SIZE - 34) & RXD_LENGTH));
 
@@ -858,13 +860,13 @@ static void bigmac_rx(struct bigmac *bp)
 			}
 			skb_reserve(copy_skb, 2);
 			skb_put(copy_skb, len);
-			sbus_dma_sync_single_for_cpu(&bp->bigmac_sdev->ofdev.dev,
-						     this->rx_addr, len,
-						     SBUS_DMA_FROMDEVICE);
+			dma_sync_single_for_cpu(&bp->bigmac_sdev->ofdev.dev,
+						this->rx_addr, len,
+						DMA_FROM_DEVICE);
 			skb_copy_to_linear_data(copy_skb, (unsigned char *)skb->data, len);
-			sbus_dma_sync_single_for_device(&bp->bigmac_sdev->ofdev.dev,
-							this->rx_addr, len,
-							SBUS_DMA_FROMDEVICE);
+			dma_sync_single_for_device(&bp->bigmac_sdev->ofdev.dev,
+						   this->rx_addr, len,
+						   DMA_FROM_DEVICE);
 
 			/* Reuse original ring buffer. */
 			this->rx_flags =
@@ -960,8 +962,8 @@ static int bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	u32 mapping;
 
 	len = skb->len;
-	mapping = sbus_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
-				  len, SBUS_DMA_TODEVICE);
+	mapping = dma_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
+				 len, DMA_TO_DEVICE);
 
 	/* Avoid a race... */
 	spin_lock_irq(&bp->lock);
@@ -1185,9 +1187,9 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
 	bigmac_stop(bp);
 
 	/* Allocate transmit/receive descriptor DVMA block. */
-	bp->bmac_block = sbus_alloc_consistent(&bp->bigmac_sdev->ofdev.dev,
-					       PAGE_SIZE,
-					       &bp->bblock_dvma);
+	bp->bmac_block = dma_alloc_coherent(&bp->bigmac_sdev->ofdev.dev,
+					    PAGE_SIZE,
+					    &bp->bblock_dvma, GFP_ATOMIC);
 	if (bp->bmac_block == NULL || bp->bblock_dvma == 0) {
 		printk(KERN_ERR "BIGMAC: Cannot allocate consistent DMA.\n");
 		goto fail_and_cleanup;
@@ -1247,10 +1249,10 @@ fail_and_cleanup:
 		sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
 
 	if (bp->bmac_block)
-		sbus_free_consistent(&bp->bigmac_sdev->ofdev.dev,
-				     PAGE_SIZE,
-				     bp->bmac_block,
-				     bp->bblock_dvma);
+		dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
+				  PAGE_SIZE,
+				  bp->bmac_block,
+				  bp->bblock_dvma);
 
 	/* This also frees the co-located 'dev->priv' */
 	free_netdev(dev);
@@ -1282,10 +1284,10 @@ static int __devexit bigmac_sbus_remove(struct of_device *dev)
 	sbus_iounmap(bp->creg, CREG_REG_SIZE);
 	sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
 	sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
-	sbus_free_consistent(&bp->bigmac_sdev->ofdev.dev,
-			     PAGE_SIZE,
-			     bp->bmac_block,
-			     bp->bblock_dvma);
+	dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
+			  PAGE_SIZE,
+			  bp->bmac_block,
+			  bp->bblock_dvma);
 
 	free_netdev(net_dev);