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ksz884x: switch from 'pci_' to 'dma_' API
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Tue, 14 Jul 2020 18:35:01 +0000 (20:35 +0200)
committerDavid S. Miller <davem@davemloft.net>
Tue, 14 Jul 2020 22:10:29 +0000 (15:10 -0700)
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 'ksz_alloc_desc()', GFP_KERNEL can be used
because a few lines below, GFP_KERNEL is also used in the
'ksz_alloc_soft_desc()' calls.

@@
@@
-    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/micrel/ksz884x.c

index 2ce7304..bb646b6 100644 (file)
@@ -4390,9 +4390,9 @@ static int ksz_alloc_desc(struct dev_info *adapter)
                DESC_ALIGNMENT;
 
        adapter->desc_pool.alloc_virt =
-               pci_zalloc_consistent(adapter->pdev,
-                                     adapter->desc_pool.alloc_size,
-                                     &adapter->desc_pool.dma_addr);
+               dma_alloc_coherent(&adapter->pdev->dev,
+                                  adapter->desc_pool.alloc_size,
+                                  &adapter->desc_pool.dma_addr, GFP_KERNEL);
        if (adapter->desc_pool.alloc_virt == NULL) {
                adapter->desc_pool.alloc_size = 0;
                return 1;
@@ -4431,7 +4431,8 @@ static int ksz_alloc_desc(struct dev_info *adapter)
 static void free_dma_buf(struct dev_info *adapter, struct ksz_dma_buf *dma_buf,
        int direction)
 {
-       pci_unmap_single(adapter->pdev, dma_buf->dma, dma_buf->len, direction);
+       dma_unmap_single(&adapter->pdev->dev, dma_buf->dma, dma_buf->len,
+                        direction);
        dev_kfree_skb(dma_buf->skb);
        dma_buf->skb = NULL;
        dma_buf->dma = 0;
@@ -4456,16 +4457,15 @@ static void ksz_init_rx_buffers(struct dev_info *adapter)
 
                dma_buf = DMA_BUFFER(desc);
                if (dma_buf->skb && dma_buf->len != adapter->mtu)
-                       free_dma_buf(adapter, dma_buf, PCI_DMA_FROMDEVICE);
+                       free_dma_buf(adapter, dma_buf, DMA_FROM_DEVICE);
                dma_buf->len = adapter->mtu;
                if (!dma_buf->skb)
                        dma_buf->skb = alloc_skb(dma_buf->len, GFP_ATOMIC);
                if (dma_buf->skb && !dma_buf->dma)
-                       dma_buf->dma = pci_map_single(
-                               adapter->pdev,
-                               skb_tail_pointer(dma_buf->skb),
-                               dma_buf->len,
-                               PCI_DMA_FROMDEVICE);
+                       dma_buf->dma = dma_map_single(&adapter->pdev->dev,
+                                               skb_tail_pointer(dma_buf->skb),
+                                               dma_buf->len,
+                                               DMA_FROM_DEVICE);
 
                /* Set descriptor. */
                set_rx_buf(desc, dma_buf->dma);
@@ -4543,11 +4543,10 @@ static void ksz_free_desc(struct dev_info *adapter)
 
        /* Free memory. */
        if (adapter->desc_pool.alloc_virt)
-               pci_free_consistent(
-                       adapter->pdev,
-                       adapter->desc_pool.alloc_size,
-                       adapter->desc_pool.alloc_virt,
-                       adapter->desc_pool.dma_addr);
+               dma_free_coherent(&adapter->pdev->dev,
+                                 adapter->desc_pool.alloc_size,
+                                 adapter->desc_pool.alloc_virt,
+                                 adapter->desc_pool.dma_addr);
 
        /* Reset resource pool. */
        adapter->desc_pool.alloc_size = 0;
@@ -4590,12 +4589,10 @@ static void ksz_free_buffers(struct dev_info *adapter,
 static void ksz_free_mem(struct dev_info *adapter)
 {
        /* Free transmit buffers. */
-       ksz_free_buffers(adapter, &adapter->hw.tx_desc_info,
-               PCI_DMA_TODEVICE);
+       ksz_free_buffers(adapter, &adapter->hw.tx_desc_info, DMA_TO_DEVICE);
 
        /* Free receive buffers. */
-       ksz_free_buffers(adapter, &adapter->hw.rx_desc_info,
-               PCI_DMA_FROMDEVICE);
+       ksz_free_buffers(adapter, &adapter->hw.rx_desc_info, DMA_FROM_DEVICE);
 
        /* Free descriptors. */
        ksz_free_desc(adapter);
@@ -4657,9 +4654,8 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev)
 
                dma_buf->len = skb_headlen(skb);
 
-               dma_buf->dma = pci_map_single(
-                       hw_priv->pdev, skb->data, dma_buf->len,
-                       PCI_DMA_TODEVICE);
+               dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, skb->data,
+                                             dma_buf->len, DMA_TO_DEVICE);
                set_tx_buf(desc, dma_buf->dma);
                set_tx_len(desc, dma_buf->len);
 
@@ -4676,11 +4672,10 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev)
                        dma_buf = DMA_BUFFER(desc);
                        dma_buf->len = skb_frag_size(this_frag);
 
-                       dma_buf->dma = pci_map_single(
-                               hw_priv->pdev,
-                               skb_frag_address(this_frag),
-                               dma_buf->len,
-                               PCI_DMA_TODEVICE);
+                       dma_buf->dma = dma_map_single(&hw_priv->pdev->dev,
+                                                     skb_frag_address(this_frag),
+                                                     dma_buf->len,
+                                                     DMA_TO_DEVICE);
                        set_tx_buf(desc, dma_buf->dma);
                        set_tx_len(desc, dma_buf->len);
 
@@ -4700,9 +4695,8 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev)
        } else {
                dma_buf->len = len;
 
-               dma_buf->dma = pci_map_single(
-                       hw_priv->pdev, skb->data, dma_buf->len,
-                       PCI_DMA_TODEVICE);
+               dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, skb->data,
+                                             dma_buf->len, DMA_TO_DEVICE);
                set_tx_buf(desc, dma_buf->dma);
                set_tx_len(desc, dma_buf->len);
        }
@@ -4756,9 +4750,8 @@ static void transmit_cleanup(struct dev_info *hw_priv, int normal)
                }
 
                dma_buf = DMA_BUFFER(desc);
-               pci_unmap_single(
-                       hw_priv->pdev, dma_buf->dma, dma_buf->len,
-                       PCI_DMA_TODEVICE);
+               dma_unmap_single(&hw_priv->pdev->dev, dma_buf->dma,
+                                dma_buf->len, DMA_TO_DEVICE);
 
                /* This descriptor contains the last buffer in the packet. */
                if (dma_buf->skb) {
@@ -4991,9 +4984,8 @@ static inline int rx_proc(struct net_device *dev, struct ksz_hw* hw,
        packet_len = status.rx.frame_len - 4;
 
        dma_buf = DMA_BUFFER(desc);
-       pci_dma_sync_single_for_cpu(
-               hw_priv->pdev, dma_buf->dma, packet_len + 4,
-               PCI_DMA_FROMDEVICE);
+       dma_sync_single_for_cpu(&hw_priv->pdev->dev, dma_buf->dma,
+                               packet_len + 4, DMA_FROM_DEVICE);
 
        do {
                /* skb->data != skb->head */
@@ -6935,8 +6927,8 @@ static int pcidev_init(struct pci_dev *pdev, const struct pci_device_id *id)
 
        result = -ENODEV;
 
-       if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
-                       pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
+       if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) ||
+           dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)))
                return result;
 
        reg_base = pci_resource_start(pdev, 0);