diff options
| author | Steve Wise <swise@opengridcomputing.com> | 2006-10-27 17:28:35 -0500 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2006-10-30 20:52:52 -0800 |
| commit | 8de94ce19dd3c6fc6e9d9658da11cf3d76841ee5 (patch) | |
| tree | a9dfc1ed6ebee7112a593cc6505563295185ace7 /drivers/infiniband/hw/amso1100/c2_alloc.c | |
| parent | 04d03bc576f244bfa9692452aab83fa357ac0d57 (diff) | |
IB/amso1100: Use dma_alloc_coherent() instead of kmalloc/dma_map_single
The Ammasso driver needs to use dma_alloc_coherent() for
allocating memory that will be used by the HW for dma.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/amso1100/c2_alloc.c')
| -rw-r--r-- | drivers/infiniband/hw/amso1100/c2_alloc.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_alloc.c b/drivers/infiniband/hw/amso1100/c2_alloc.c index 028a60bbfca..0315f99e419 100644 --- a/drivers/infiniband/hw/amso1100/c2_alloc.c +++ b/drivers/infiniband/hw/amso1100/c2_alloc.c @@ -42,13 +42,14 @@ static int c2_alloc_mqsp_chunk(struct c2_dev *c2dev, gfp_t gfp_mask, { int i; struct sp_chunk *new_head; + dma_addr_t dma_addr; - new_head = (struct sp_chunk *) __get_free_page(gfp_mask); + new_head = dma_alloc_coherent(&c2dev->pcidev->dev, PAGE_SIZE, + &dma_addr, gfp_mask); if (new_head == NULL) return -ENOMEM; - new_head->dma_addr = dma_map_single(c2dev->ibdev.dma_device, new_head, - PAGE_SIZE, DMA_FROM_DEVICE); + new_head->dma_addr = dma_addr; pci_unmap_addr_set(new_head, mapping, new_head->dma_addr); new_head->next = NULL; @@ -80,10 +81,8 @@ void c2_free_mqsp_pool(struct c2_dev *c2dev, struct sp_chunk *root) while (root) { next = root->next; - dma_unmap_single(c2dev->ibdev.dma_device, - pci_unmap_addr(root, mapping), PAGE_SIZE, - DMA_FROM_DEVICE); - __free_page((struct page *) root); + dma_free_coherent(&c2dev->pcidev->dev, PAGE_SIZE, root, + pci_unmap_addr(root, mapping)); root = next; } } |