]> git.baikalelectronics.ru Git - kernel.git/commitdiff
firewire: nosy: switch from 'pci_' to 'dma_' API
authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Sun, 13 Jun 2021 13:27:43 +0000 (15:27 +0200)
committerStefan Richter <stefanr@s5r6.in-berlin.de>
Mon, 5 Jul 2021 20:23:15 +0000 (22:23 +0200)
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 'add_card()', GFP_KERNEL can be used because
this flag is already used a few lines above and no lock is taken in the
between.

While at it, also remove some useless casting.

@@ @@
-    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: Stefan Richter <stefanr@s5r6.in-berlin.de>
drivers/firewire/nosy.c

index 88ed971e32c0d420a8d876e9fdaf5f6b7ac2633b..b0d671db178a85b6ab98de29f05b994db99a8697 100644 (file)
@@ -511,12 +511,12 @@ remove_card(struct pci_dev *dev)
                wake_up_interruptible(&client->buffer.wait);
        spin_unlock_irq(&lynx->client_list_lock);
 
-       pci_free_consistent(lynx->pci_device, sizeof(struct pcl),
-                           lynx->rcv_start_pcl, lynx->rcv_start_pcl_bus);
-       pci_free_consistent(lynx->pci_device, sizeof(struct pcl),
-                           lynx->rcv_pcl, lynx->rcv_pcl_bus);
-       pci_free_consistent(lynx->pci_device, PAGE_SIZE,
-                           lynx->rcv_buffer, lynx->rcv_buffer_bus);
+       dma_free_coherent(&lynx->pci_device->dev, sizeof(struct pcl),
+                         lynx->rcv_start_pcl, lynx->rcv_start_pcl_bus);
+       dma_free_coherent(&lynx->pci_device->dev, sizeof(struct pcl),
+                         lynx->rcv_pcl, lynx->rcv_pcl_bus);
+       dma_free_coherent(&lynx->pci_device->dev, PAGE_SIZE, lynx->rcv_buffer,
+                         lynx->rcv_buffer_bus);
 
        iounmap(lynx->registers);
        pci_disable_device(dev);
@@ -532,7 +532,7 @@ add_card(struct pci_dev *dev, const struct pci_device_id *unused)
        u32 p, end;
        int ret, i;
 
-       if (pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
+       if (dma_set_mask(&dev->dev, DMA_BIT_MASK(32))) {
                dev_err(&dev->dev,
                    "DMA address limits not supported for PCILynx hardware\n");
                return -ENXIO;
@@ -564,12 +564,16 @@ add_card(struct pci_dev *dev, const struct pci_device_id *unused)
                goto fail_deallocate_lynx;
        }
 
-       lynx->rcv_start_pcl = pci_alloc_consistent(lynx->pci_device,
-                               sizeof(struct pcl), &lynx->rcv_start_pcl_bus);
-       lynx->rcv_pcl = pci_alloc_consistent(lynx->pci_device,
-                               sizeof(struct pcl), &lynx->rcv_pcl_bus);
-       lynx->rcv_buffer = pci_alloc_consistent(lynx->pci_device,
-                               RCV_BUFFER_SIZE, &lynx->rcv_buffer_bus);
+       lynx->rcv_start_pcl = dma_alloc_coherent(&lynx->pci_device->dev,
+                                                sizeof(struct pcl),
+                                                &lynx->rcv_start_pcl_bus,
+                                                GFP_KERNEL);
+       lynx->rcv_pcl = dma_alloc_coherent(&lynx->pci_device->dev,
+                                          sizeof(struct pcl),
+                                          &lynx->rcv_pcl_bus, GFP_KERNEL);
+       lynx->rcv_buffer = dma_alloc_coherent(&lynx->pci_device->dev,
+                                             RCV_BUFFER_SIZE,
+                                             &lynx->rcv_buffer_bus, GFP_KERNEL);
        if (lynx->rcv_start_pcl == NULL ||
            lynx->rcv_pcl == NULL ||
            lynx->rcv_buffer == NULL) {
@@ -667,14 +671,15 @@ fail_free_irq:
 
 fail_deallocate_buffers:
        if (lynx->rcv_start_pcl)
-               pci_free_consistent(lynx->pci_device, sizeof(struct pcl),
-                               lynx->rcv_start_pcl, lynx->rcv_start_pcl_bus);
+               dma_free_coherent(&lynx->pci_device->dev, sizeof(struct pcl),
+                                 lynx->rcv_start_pcl,
+                                 lynx->rcv_start_pcl_bus);
        if (lynx->rcv_pcl)
-               pci_free_consistent(lynx->pci_device, sizeof(struct pcl),
-                               lynx->rcv_pcl, lynx->rcv_pcl_bus);
+               dma_free_coherent(&lynx->pci_device->dev, sizeof(struct pcl),
+                                 lynx->rcv_pcl, lynx->rcv_pcl_bus);
        if (lynx->rcv_buffer)
-               pci_free_consistent(lynx->pci_device, PAGE_SIZE,
-                               lynx->rcv_buffer, lynx->rcv_buffer_bus);
+               dma_free_coherent(&lynx->pci_device->dev, PAGE_SIZE,
+                                 lynx->rcv_buffer, lynx->rcv_buffer_bus);
        iounmap(lynx->registers);
 
 fail_deallocate_lynx: