net: 8139cp: switch from 'pci_' to 'dma_' API
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sun, 22 Aug 2021 19:02:23 +0000 (21:02 +0200)
committerDavid S. Miller <davem@davemloft.net>
Mon, 23 Aug 2021 11:02:28 +0000 (12:02 +0100)
The wrappers in include/linux/pci-dma-compat.h should go away.

The patch has been generated with the coccinelle script below.

It has been hand modified to use 'dma_set_mask_and_coherent()' instead of
'pci_set_dma_mask()/pci_set_consistent_dma_mask()' when applicable.
This is less verbose.

It has been compile tested.

@@
@@
-    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>
drivers/net/ethernet/realtek/8139cp.c

index edc6190..2b84b45 100644 (file)
@@ -514,7 +514,7 @@ static int cp_rx_poll(struct napi_struct *napi, int budget)
                }
 
                new_mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen,
-                                        PCI_DMA_FROMDEVICE);
+                                        DMA_FROM_DEVICE);
                if (dma_mapping_error(&cp->pdev->dev, new_mapping)) {
                        dev->stats.rx_dropped++;
                        kfree_skb(new_skb);
@@ -522,7 +522,7 @@ static int cp_rx_poll(struct napi_struct *napi, int budget)
                }
 
                dma_unmap_single(&cp->pdev->dev, mapping,
-                                buflen, PCI_DMA_FROMDEVICE);
+                                buflen, DMA_FROM_DEVICE);
 
                /* Handle checksum offloading for incoming packets. */
                if (cp_rx_csum_ok(status))
@@ -666,7 +666,7 @@ static void cp_tx (struct cp_private *cp)
 
                dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr),
                                 cp->tx_opts[tx_tail] & 0xffff,
-                                PCI_DMA_TODEVICE);
+                                DMA_TO_DEVICE);
 
                if (status & LastFrag) {
                        if (status & (TxError | TxFIFOUnder)) {
@@ -724,7 +724,7 @@ static void unwind_tx_frag_mapping(struct cp_private *cp, struct sk_buff *skb,
                txd = &cp->tx_ring[index];
                this_frag = &skb_shinfo(skb)->frags[frag];
                dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr),
-                                skb_frag_size(this_frag), PCI_DMA_TODEVICE);
+                                skb_frag_size(this_frag), DMA_TO_DEVICE);
        }
 }
 
@@ -781,7 +781,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
                dma_addr_t mapping;
 
                len = skb->len;
-               mapping = dma_map_single(&cp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE);
+               mapping = dma_map_single(&cp->pdev->dev, skb->data, len, DMA_TO_DEVICE);
                if (dma_mapping_error(&cp->pdev->dev, mapping))
                        goto out_dma_error;
 
@@ -810,7 +810,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
                first_eor = eor;
                first_len = skb_headlen(skb);
                first_mapping = dma_map_single(&cp->pdev->dev, skb->data,
-                                              first_len, PCI_DMA_TODEVICE);
+                                              first_len, DMA_TO_DEVICE);
                if (dma_mapping_error(&cp->pdev->dev, first_mapping))
                        goto out_dma_error;
 
@@ -826,7 +826,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
                        len = skb_frag_size(this_frag);
                        mapping = dma_map_single(&cp->pdev->dev,
                                                 skb_frag_address(this_frag),
-                                                len, PCI_DMA_TODEVICE);
+                                                len, DMA_TO_DEVICE);
                        if (dma_mapping_error(&cp->pdev->dev, mapping)) {
                                unwind_tx_frag_mapping(cp, skb, first_entry, entry);
                                goto out_dma_error;
@@ -1069,7 +1069,7 @@ static int cp_refill_rx(struct cp_private *cp)
                        goto err_out;
 
                mapping = dma_map_single(&cp->pdev->dev, skb->data,
-                                        cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
+                                        cp->rx_buf_sz, DMA_FROM_DEVICE);
                if (dma_mapping_error(&cp->pdev->dev, mapping)) {
                        kfree_skb(skb);
                        goto err_out;
@@ -1139,7 +1139,7 @@ static void cp_clean_rings (struct cp_private *cp)
                if (cp->rx_skb[i]) {
                        desc = cp->rx_ring + i;
                        dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr),
-                                        cp->rx_buf_sz, PCI_DMA_FROMDEVICE);
+                                        cp->rx_buf_sz, DMA_FROM_DEVICE);
                        dev_kfree_skb_any(cp->rx_skb[i]);
                }
        }
@@ -1151,7 +1151,7 @@ static void cp_clean_rings (struct cp_private *cp)
                        desc = cp->tx_ring + i;
                        dma_unmap_single(&cp->pdev->dev,le64_to_cpu(desc->addr),
                                         le32_to_cpu(desc->opts1) & 0xffff,
-                                        PCI_DMA_TODEVICE);
+                                        DMA_TO_DEVICE);
                        if (le32_to_cpu(desc->opts1) & LastFrag)
                                dev_kfree_skb_any(skb);
                        cp->dev->stats.tx_dropped++;
@@ -1945,24 +1945,17 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
        /* Configure DMA attributes. */
        if ((sizeof(dma_addr_t) > 4) &&
-           !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) &&
-           !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+           !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
                pci_using_dac = 1;
        } else {
                pci_using_dac = 0;
 
-               rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+               rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
                if (rc) {
                        dev_err(&pdev->dev,
                                "No usable DMA configuration, aborting\n");
                        goto err_out_res;
                }
-               rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
-               if (rc) {
-                       dev_err(&pdev->dev,
-                               "No usable consistent DMA configuration, aborting\n");
-                       goto err_out_res;
-               }
        }
 
        cp->cpcmd = (pci_using_dac ? PCIDAC : 0) |