sundance: Convert to DMA API

Convert to DMA API

Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 43 insertions, 44 deletions

diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index 7dfdbee878e8..5b786ce2b5f1 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -96,6 +96,7 @@ static char *media[MAX_UNITS];
 #include <asm/io.h>
 #include <linux/delay.h>
 #include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
 #ifndef _COMPAT_WITH_OLD_KERNEL
 #include <linux/crc32.h>
 #include <linux/ethtool.h>
@@ -523,13 +524,15 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
         tasklet_init(&np->rx_tasklet, rx_poll, (unsigned long)dev);
         tasklet_init(&np->tx_tasklet, tx_poll, (unsigned long)dev);
 
-        ring_space = pci_alloc_consistent(pdev, TX_TOTAL_SIZE, &ring_dma);
+        ring_space = dma_alloc_coherent(&pdev->dev, TX_TOTAL_SIZE,
+                        &ring_dma, GFP_KERNEL);
         if (!ring_space)
                 goto err_out_cleardev;
         np->tx_ring = (struct netdev_desc *)ring_space;
         np->tx_ring_dma = ring_dma;
 
-        ring_space = pci_alloc_consistent(pdev, RX_TOTAL_SIZE, &ring_dma);
+        ring_space = dma_alloc_coherent(&pdev->dev, RX_TOTAL_SIZE,
+                        &ring_dma, GFP_KERNEL);
         if (!ring_space)
                 goto err_out_unmap_tx;
         np->rx_ring = (struct netdev_desc *)ring_space;
@@ -663,9 +666,11 @@ static int __devinit sundance_probe1 (struct pci_dev *pdev,
 err_out_unregister:
         unregister_netdev(dev);
 err_out_unmap_rx:
-        pci_free_consistent(pdev, RX_TOTAL_SIZE, np->rx_ring, np->rx_ring_dma);
+        dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE,
+                np->rx_ring, np->rx_ring_dma);
 err_out_unmap_tx:
-        pci_free_consistent(pdev, TX_TOTAL_SIZE, np->tx_ring, np->tx_ring_dma);
+        dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE,
+                np->tx_ring, np->tx_ring_dma);
 err_out_cleardev:
         pci_set_drvdata(pdev, NULL);
         pci_iounmap(pdev, ioaddr);
@@ -1011,8 +1016,8 @@ static void init_ring(struct net_device *dev)
                 skb->dev = dev;         /* Mark as being used by this device. */
                 skb_reserve(skb, 2);    /* 16 byte align the IP header. */
                 np->rx_ring[i].frag[0].addr = cpu_to_le32(
-                        pci_map_single(np->pci_dev, skb->data, np->rx_buf_sz,
-                                PCI_DMA_FROMDEVICE));
+                        dma_map_single(&np->pci_dev->dev, skb->data,
+                                np->rx_buf_sz, DMA_FROM_DEVICE));
                 np->rx_ring[i].frag[0].length = cpu_to_le32(np->rx_buf_sz | LastFrag);
         }
         np->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
@@ -1063,9 +1068,8 @@ start_tx (struct sk_buff *skb, struct net_device *dev)
 
         txdesc->next_desc = 0;
         txdesc->status = cpu_to_le32 ((entry << 2) | DisableAlign);
-        txdesc->frag[0].addr = cpu_to_le32 (pci_map_single (np->pci_dev, skb->data,
-                                                        skb->len,
-                                                        PCI_DMA_TODEVICE));
+        txdesc->frag[0].addr = cpu_to_le32(dma_map_single(&np->pci_dev->dev,
+                                skb->data, skb->len, DMA_TO_DEVICE));
         txdesc->frag[0].length = cpu_to_le32 (skb->len | LastFrag);
 
         /* Increment cur_tx before tasklet_schedule() */
@@ -1109,9 +1113,9 @@ reset_tx (struct net_device *dev)
 
                 skb = np->tx_skbuff[i];
                 if (skb) {
-                        pci_unmap_single(np->pci_dev,
+                        dma_unmap_single(&np->pci_dev->dev,
                                 le32_to_cpu(np->tx_ring[i].frag[0].addr),
-                                skb->len, PCI_DMA_TODEVICE);
+                                skb->len, DMA_TO_DEVICE);
                         if (irq)
                                 dev_kfree_skb_irq (skb);
                         else
@@ -1233,9 +1237,9 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
                                                 break;
                                 skb = np->tx_skbuff[entry];
                                 /* Free the original skb. */
-                                pci_unmap_single(np->pci_dev,
+                                dma_unmap_single(&np->pci_dev->dev,
                                         le32_to_cpu(np->tx_ring[entry].frag[0].addr),
-                                        skb->len, PCI_DMA_TODEVICE);
+                                        skb->len, DMA_TO_DEVICE);
                                 dev_kfree_skb_irq (np->tx_skbuff[entry]);
                                 np->tx_skbuff[entry] = NULL;
                                 np->tx_ring[entry].frag[0].addr = 0;
@@ -1252,9 +1256,9 @@ static irqreturn_t intr_handler(int irq, void *dev_instance)
                                         break;
                                 skb = np->tx_skbuff[entry];
                                 /* Free the original skb. */
-                                pci_unmap_single(np->pci_dev,
+                                dma_unmap_single(&np->pci_dev->dev,
                                         le32_to_cpu(np->tx_ring[entry].frag[0].addr),
-                                        skb->len, PCI_DMA_TODEVICE);
+                                        skb->len, DMA_TO_DEVICE);
                                 dev_kfree_skb_irq (np->tx_skbuff[entry]);
                                 np->tx_skbuff[entry] = NULL;
                                 np->tx_ring[entry].frag[0].addr = 0;
@@ -1334,22 +1338,18 @@ static void rx_poll(unsigned long data)
                         if (pkt_len < rx_copybreak &&
                             (skb = dev_alloc_skb(pkt_len + 2)) != NULL) {
                                 skb_reserve(skb, 2);    /* 16 byte align the IP header */
-                                pci_dma_sync_single_for_cpu(np->pci_dev,
-                                                            le32_to_cpu(desc->frag[0].addr),
-                                                            np->rx_buf_sz,
-                                                            PCI_DMA_FROMDEVICE);
-
+                                dma_sync_single_for_cpu(&np->pci_dev->dev,
+                                                le32_to_cpu(desc->frag[0].addr),
+                                                np->rx_buf_sz, DMA_FROM_DEVICE);
                                 skb_copy_to_linear_data(skb, np->rx_skbuff[entry]->data, pkt_len);
-                                pci_dma_sync_single_for_device(np->pci_dev,
-                                                               le32_to_cpu(desc->frag[0].addr),
-                                                               np->rx_buf_sz,
-                                                               PCI_DMA_FROMDEVICE);
+                                dma_sync_single_for_device(&np->pci_dev->dev,
+                                                le32_to_cpu(desc->frag[0].addr),
+                                                np->rx_buf_sz, DMA_FROM_DEVICE);
                                 skb_put(skb, pkt_len);
                         } else {
-                                pci_unmap_single(np->pci_dev,
+                                dma_unmap_single(&np->pci_dev->dev,
                                         le32_to_cpu(desc->frag[0].addr),
-                                        np->rx_buf_sz,
-                                        PCI_DMA_FROMDEVICE);
+                                        np->rx_buf_sz, DMA_FROM_DEVICE);
                                 skb_put(skb = np->rx_skbuff[entry], pkt_len);
                                 np->rx_skbuff[entry] = NULL;
                         }
@@ -1396,8 +1396,8 @@ static void refill_rx (struct net_device *dev)
                         skb->dev = dev;         /* Mark as being used by this device. */
                         skb_reserve(skb, 2);    /* Align IP on 16 byte boundaries */
                         np->rx_ring[entry].frag[0].addr = cpu_to_le32(
-                                pci_map_single(np->pci_dev, skb->data,
-                                        np->rx_buf_sz, PCI_DMA_FROMDEVICE));
+                                dma_map_single(&np->pci_dev->dev, skb->data,
+                                        np->rx_buf_sz, DMA_FROM_DEVICE));
                 }
                 /* Perhaps we need not reset this field. */
                 np->rx_ring[entry].frag[0].length =
@@ -1715,9 +1715,9 @@ static int netdev_close(struct net_device *dev)
                 np->rx_ring[i].status = 0;
                 skb = np->rx_skbuff[i];
                 if (skb) {
-                        pci_unmap_single(np->pci_dev,
+                        dma_unmap_single(&np->pci_dev->dev,
                                 le32_to_cpu(np->rx_ring[i].frag[0].addr),
-                                np->rx_buf_sz, PCI_DMA_FROMDEVICE);
+                                np->rx_buf_sz, DMA_FROM_DEVICE);
                         dev_kfree_skb(skb);
                         np->rx_skbuff[i] = NULL;
                 }
@@ -1727,9 +1727,9 @@ static int netdev_close(struct net_device *dev)
                 np->tx_ring[i].next_desc = 0;
                 skb = np->tx_skbuff[i];
                 if (skb) {
-                        pci_unmap_single(np->pci_dev,
+                        dma_unmap_single(&np->pci_dev->dev,
                                 le32_to_cpu(np->tx_ring[i].frag[0].addr),
-                                skb->len, PCI_DMA_TODEVICE);
+                                skb->len, DMA_TO_DEVICE);
                         dev_kfree_skb(skb);
                         np->tx_skbuff[i] = NULL;
                 }
@@ -1743,17 +1743,16 @@ static void __devexit sundance_remove1 (struct pci_dev *pdev)
         struct net_device *dev = pci_get_drvdata(pdev);
 
         if (dev) {
-                struct netdev_private *np = netdev_priv(dev);
-
-                unregister_netdev(dev);
-                pci_free_consistent(pdev, RX_TOTAL_SIZE, np->rx_ring,
-                        np->rx_ring_dma);
-                pci_free_consistent(pdev, TX_TOTAL_SIZE, np->tx_ring,
-                        np->tx_ring_dma);
-                pci_iounmap(pdev, np->base);
-                pci_release_regions(pdev);
-                free_netdev(dev);
-                pci_set_drvdata(pdev, NULL);
+            struct netdev_private *np = netdev_priv(dev);
+            unregister_netdev(dev);
+            dma_free_coherent(&pdev->dev, RX_TOTAL_SIZE,
+                    np->rx_ring, np->rx_ring_dma);
+            dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE,
+                    np->tx_ring, np->tx_ring_dma);
+            pci_iounmap(pdev, np->base);
+            pci_release_regions(pdev);
+            free_netdev(dev);
+            pci_set_drvdata(pdev, NULL);
         }
 }