wan: wanxl: switch from 'pci_' to 'dma_' API

The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below and has been
hand modified to replace GFP_ with a correct flag.
It has been compile tested.

When memory is allocated in 'wanxl_pci_init_one()', GFP_KERNEL can be used
because it is a probe function and no lock is acquired.
Moreover, just a few lines above, GFP_KERNEL is already used.

@@
@@
-    PCI_DMA_BIDIRECTIONAL
+    DMA_BIDIRECTIONAL

@@
@@
-    PCI_DMA_TODEVICE
+    DMA_TO_DEVICE

@@
@@
-    PCI_DMA_FROMDEVICE
+    DMA_FROM_DEVICE

@@
@@
-    PCI_DMA_NONE
+    DMA_NONE

@@
expression e1, e2, e3;
@@
-    pci_alloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3;
@@
-    pci_zalloc_consistent(e1, e2, e3)
+    dma_alloc_coherent(&e1->dev, e2, e3, GFP_)

@@
expression e1, e2, e3, e4;
@@
-    pci_free_consistent(e1, e2, e3, e4)
+    dma_free_coherent(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_single(e1, e2, e3, e4)
+    dma_map_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_single(e1, e2, e3, e4)
+    dma_unmap_single(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4, e5;
@@
-    pci_map_page(e1, e2, e3, e4, e5)
+    dma_map_page(&e1->dev, e2, e3, e4, e5)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_page(e1, e2, e3, e4)
+    dma_unmap_page(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_map_sg(e1, e2, e3, e4)
+    dma_map_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_unmap_sg(e1, e2, e3, e4)
+    dma_unmap_sg(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+    dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_single_for_device(e1, e2, e3, e4)
+    dma_sync_single_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+    dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)

@@
expression e1, e2, e3, e4;
@@
-    pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+    dma_sync_sg_for_device(&e1->dev, e2, e3, e4)

@@
expression e1, e2;
@@
-    pci_dma_mapping_error(e1, e2)
+    dma_mapping_error(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_dma_mask(e1, e2)
+    dma_set_mask(&e1->dev, e2)

@@
expression e1, e2;
@@
-    pci_set_consistent_dma_mask(e1, e2)
+    dma_set_coherent_mask(&e1->dev, e2)

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c
index 499f7cd..a831333 100644 (file)
--- a/drivers/net/wan/wanxl.c
+++ b/drivers/net/wan/wanxl.c
@@ -99,7 +99,7 @@ static inline port_status_t *get_status(struct port *port)
 static inline dma_addr_t pci_map_single_debug(struct pci_dev *pdev, void *ptr,
                                              size_t size, int direction)
 {
-       dma_addr_t addr = pci_map_single(pdev, ptr, size, direction);
+       dma_addr_t addr = dma_map_single(&pdev->dev, ptr, size, direction);
        if (addr + size > 0x100000000LL)
                pr_crit("%s: pci_map_single() returned memory at 0x%llx!\n",
                        pci_name(pdev), (unsigned long long)addr);
@@ -180,8 +180,8 @@ static inline void wanxl_tx_intr(struct port *port)
                        dev->stats.tx_bytes += skb->len;
                }
                 desc->stat = PACKET_EMPTY; /* Free descriptor */
-               pci_unmap_single(port->card->pdev, desc->address, skb->len,
-                                PCI_DMA_TODEVICE);
+               dma_unmap_single(&port->card->pdev->dev, desc->address,
+                                skb->len, DMA_TO_DEVICE);
                dev_consume_skb_irq(skb);
                 port->tx_in = (port->tx_in + 1) % TX_BUFFERS;
         }
@@ -207,9 +207,9 @@ static inline void wanxl_rx_intr(struct card *card)
                        if (!skb)
                                dev->stats.rx_dropped++;
                        else {
-                               pci_unmap_single(card->pdev, desc->address,
-                                                BUFFER_LENGTH,
-                                                PCI_DMA_FROMDEVICE);
+                               dma_unmap_single(&card->pdev->dev,
+                                                desc->address, BUFFER_LENGTH,
+                                                DMA_FROM_DEVICE);
                                skb_put(skb, desc->length);
 
 #ifdef DEBUG_PKT
@@ -227,9 +227,10 @@ static inline void wanxl_rx_intr(struct card *card)
                        if (!skb) {
                                skb = dev_alloc_skb(BUFFER_LENGTH);
                                desc->address = skb ?
-                                       pci_map_single(card->pdev, skb->data,
+                                       dma_map_single(&card->pdev->dev,
+                                                      skb->data,
                                                       BUFFER_LENGTH,
-                                                      PCI_DMA_FROMDEVICE) : 0;
+                                                      DMA_FROM_DEVICE) : 0;
                                card->rx_skbs[card->rx_in] = skb;
                        }
                }
@@ -291,8 +292,8 @@ static netdev_tx_t wanxl_xmit(struct sk_buff *skb, struct net_device *dev)
 #endif
 
        port->tx_skbs[port->tx_out] = skb;
-       desc->address = pci_map_single(port->card->pdev, skb->data, skb->len,
-                                      PCI_DMA_TODEVICE);
+       desc->address = dma_map_single(&port->card->pdev->dev, skb->data,
+                                      skb->len, DMA_TO_DEVICE);
        desc->length = skb->len;
        desc->stat = PACKET_FULL;
        writel(1 << (DOORBELL_TO_CARD_TX_0 + port->node),
@@ -451,9 +452,9 @@ static int wanxl_close(struct net_device *dev)
 
                if (desc->stat != PACKET_EMPTY) {
                        desc->stat = PACKET_EMPTY;
-                       pci_unmap_single(port->card->pdev, desc->address,
-                                        port->tx_skbs[i]->len,
-                                        PCI_DMA_TODEVICE);
+                       dma_unmap_single(&port->card->pdev->dev,
+                                        desc->address, port->tx_skbs[i]->len,
+                                        DMA_TO_DEVICE);
                        dev_kfree_skb(port->tx_skbs[i]);
                }
        }
@@ -524,9 +525,9 @@ static void wanxl_pci_remove_one(struct pci_dev *pdev)
 
        for (i = 0; i < RX_QUEUE_LENGTH; i++)
                if (card->rx_skbs[i]) {
-                       pci_unmap_single(card->pdev,
+                       dma_unmap_single(&card->pdev->dev,
                                         card->status->rx_descs[i].address,
-                                        BUFFER_LENGTH, PCI_DMA_FROMDEVICE);
+                                        BUFFER_LENGTH, DMA_FROM_DEVICE);
                        dev_kfree_skb(card->rx_skbs[i]);
                }
 
@@ -534,8 +535,8 @@ static void wanxl_pci_remove_one(struct pci_dev *pdev)
                iounmap(card->plx);
 
        if (card->status)
-               pci_free_consistent(pdev, sizeof(struct card_status),
-                                   card->status, card->status_address);
+               dma_free_coherent(&pdev->dev, sizeof(struct card_status),
+                                 card->status, card->status_address);
 
        pci_release_regions(pdev);
        pci_disable_device(pdev);
@@ -579,8 +580,8 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
           We set both dma_mask and consistent_dma_mask to 28 bits
           and pray pci_alloc_consistent() will use this info. It should
           work on most platforms */
-       if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(28)) ||
-           pci_set_dma_mask(pdev, DMA_BIT_MASK(28))) {
+       if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(28)) ||
+           dma_set_mask(&pdev->dev, DMA_BIT_MASK(28))) {
                pr_err("No usable DMA configuration\n");
                pci_disable_device(pdev);
                return -EIO;
@@ -608,9 +609,9 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
        pci_set_drvdata(pdev, card);
        card->pdev = pdev;
 
-       card->status = pci_alloc_consistent(pdev,
-                                           sizeof(struct card_status),
-                                           &card->status_address);
+       card->status = dma_alloc_coherent(&pdev->dev,
+                                         sizeof(struct card_status),
+                                         &card->status_address, GFP_KERNEL);
        if (card->status == NULL) {
                wanxl_pci_remove_one(pdev);
                return -ENOBUFS;
@@ -625,8 +626,8 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
        /* FIXME when PCI/DMA subsystems are fixed.
           We set both dma_mask and consistent_dma_mask back to 32 bits
           to indicate the card can do 32-bit DMA addressing */
-       if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) ||
-           pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+       if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)) ||
+           dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) {
                pr_err("No usable DMA configuration\n");
                wanxl_pci_remove_one(pdev);
                return -EIO;
@@ -699,9 +700,8 @@ static int wanxl_pci_init_one(struct pci_dev *pdev,
                card->rx_skbs[i] = skb;
                if (skb)
                        card->status->rx_descs[i].address =
-                               pci_map_single(card->pdev, skb->data,
-                                              BUFFER_LENGTH,
-                                              PCI_DMA_FROMDEVICE);
+                               dma_map_single(&card->pdev->dev, skb->data,
+                                              BUFFER_LENGTH, DMA_FROM_DEVICE);
        }
 
        mem = ioremap(mem_phy, PDM_OFFSET + sizeof(firmware));