cnic: Use dma_alloc_coherent().

Replace pci_alloc_consistent() with dma_alloc_coherent() so that
appropriate GFP flags can be used.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index d78e803..d4c6e7f 100644 (file)
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -667,14 +667,14 @@ static void cnic_free_dma(struct cnic_dev *dev, struct cnic_dma *dma)
 
        for (i = 0; i < dma->num_pages; i++) {
                if (dma->pg_arr[i]) {
-                       pci_free_consistent(dev->pcidev, BCM_PAGE_SIZE,
-                                           dma->pg_arr[i], dma->pg_map_arr[i]);
+                       dma_free_coherent(&dev->pcidev->dev, BCM_PAGE_SIZE,
+                                         dma->pg_arr[i], dma->pg_map_arr[i]);
                        dma->pg_arr[i] = NULL;
                }
        }
        if (dma->pgtbl) {
-               pci_free_consistent(dev->pcidev, dma->pgtbl_size,
-                                   dma->pgtbl, dma->pgtbl_map);
+               dma_free_coherent(&dev->pcidev->dev, dma->pgtbl_size,
+                                 dma->pgtbl, dma->pgtbl_map);
                dma->pgtbl = NULL;
        }
        kfree(dma->pg_arr);
@@ -725,9 +725,10 @@ static int cnic_alloc_dma(struct cnic_dev *dev, struct cnic_dma *dma,
        dma->num_pages = pages;
 
        for (i = 0; i < pages; i++) {
-               dma->pg_arr[i] = pci_alloc_consistent(dev->pcidev,
-                                                     BCM_PAGE_SIZE,
-                                                     &dma->pg_map_arr[i]);
+               dma->pg_arr[i] = dma_alloc_coherent(&dev->pcidev->dev,
+                                                   BCM_PAGE_SIZE,
+                                                   &dma->pg_map_arr[i],
+                                                   GFP_ATOMIC);
                if (dma->pg_arr[i] == NULL)
                        goto error;
        }
@@ -736,8 +737,8 @@ static int cnic_alloc_dma(struct cnic_dev *dev, struct cnic_dma *dma,
 
        dma->pgtbl_size = ((pages * 8) + BCM_PAGE_SIZE - 1) &
                          ~(BCM_PAGE_SIZE - 1);
-       dma->pgtbl = pci_alloc_consistent(dev->pcidev, dma->pgtbl_size,
-                                         &dma->pgtbl_map);
+       dma->pgtbl = dma_alloc_coherent(&dev->pcidev->dev, dma->pgtbl_size,
+                                       &dma->pgtbl_map, GFP_ATOMIC);
        if (dma->pgtbl == NULL)
                goto error;
 
@@ -757,9 +758,9 @@ static void cnic_free_context(struct cnic_dev *dev)
 
        for (i = 0; i < cp->ctx_blks; i++) {
                if (cp->ctx_arr[i].ctx) {
-                       pci_free_consistent(dev->pcidev, cp->ctx_blk_size,
-                                           cp->ctx_arr[i].ctx,
-                                           cp->ctx_arr[i].mapping);
+                       dma_free_coherent(&dev->pcidev->dev, cp->ctx_blk_size,
+                                         cp->ctx_arr[i].ctx,
+                                         cp->ctx_arr[i].mapping);
                        cp->ctx_arr[i].ctx = NULL;
                }
        }
@@ -781,14 +782,14 @@ static void cnic_free_resc(struct cnic_dev *dev)
        }
 
        if (cp->l2_buf) {
-               pci_free_consistent(dev->pcidev, cp->l2_buf_size,
-                                   cp->l2_buf, cp->l2_buf_map);
+               dma_free_coherent(&dev->pcidev->dev, cp->l2_buf_size,
+                                 cp->l2_buf, cp->l2_buf_map);
                cp->l2_buf = NULL;
        }
 
        if (cp->l2_ring) {
-               pci_free_consistent(dev->pcidev, cp->l2_ring_size,
-                                   cp->l2_ring, cp->l2_ring_map);
+               dma_free_coherent(&dev->pcidev->dev, cp->l2_ring_size,
+                                 cp->l2_ring, cp->l2_ring_map);
                cp->l2_ring = NULL;
        }
 
@@ -849,8 +850,10 @@ static int cnic_alloc_context(struct cnic_dev *dev)
 
                for (i = 0; i < cp->ctx_blks; i++) {
                        cp->ctx_arr[i].ctx =
-                               pci_alloc_consistent(dev->pcidev, BCM_PAGE_SIZE,
-                                                    &cp->ctx_arr[i].mapping);
+                               dma_alloc_coherent(&dev->pcidev->dev,
+                                                  BCM_PAGE_SIZE,
+                                                  &cp->ctx_arr[i].mapping,
+                                                  GFP_KERNEL);
                        if (cp->ctx_arr[i].ctx == NULL)
                                return -ENOMEM;
                }
@@ -863,15 +866,17 @@ static int cnic_alloc_l2_rings(struct cnic_dev *dev, int pages)
        struct cnic_local *cp = dev->cnic_priv;
 
        cp->l2_ring_size = pages * BCM_PAGE_SIZE;
-       cp->l2_ring = pci_alloc_consistent(dev->pcidev, cp->l2_ring_size,
-                                          &cp->l2_ring_map);
+       cp->l2_ring = dma_alloc_coherent(&dev->pcidev->dev, cp->l2_ring_size,
+                                        &cp->l2_ring_map,
+                                        GFP_KERNEL | __GFP_COMP);
        if (!cp->l2_ring)
                return -ENOMEM;
 
        cp->l2_buf_size = (cp->l2_rx_ring_size + 1) * cp->l2_single_buf_size;
        cp->l2_buf_size = PAGE_ALIGN(cp->l2_buf_size);
-       cp->l2_buf = pci_alloc_consistent(dev->pcidev, cp->l2_buf_size,
-                                          &cp->l2_buf_map);
+       cp->l2_buf = dma_alloc_coherent(&dev->pcidev->dev, cp->l2_buf_size,
+                                       &cp->l2_buf_map,
+                                       GFP_KERNEL | __GFP_COMP);
        if (!cp->l2_buf)
                return -ENOMEM;
 
@@ -1006,8 +1011,9 @@ static int cnic_alloc_bnx2x_context(struct cnic_dev *dev)
 
        for (i = 0; i < blks; i++) {
                cp->ctx_arr[i].ctx =
-                       pci_alloc_consistent(dev->pcidev, cp->ctx_blk_size,
-                                            &cp->ctx_arr[i].mapping);
+                       dma_alloc_coherent(&dev->pcidev->dev, cp->ctx_blk_size,
+                                          &cp->ctx_arr[i].mapping,
+                                          GFP_KERNEL);
                if (cp->ctx_arr[i].ctx == NULL)
                        return -ENOMEM;