2 * Copyright (C) 2000 Ani Joshi <ajoshi@unixbox.com>
5 * Dynamic DMA mapping support.
11 #include <linux/types.h>
13 #include <linux/string.h>
14 #include <linux/pci.h>
17 void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
18 dma_addr_t *dma_handle)
23 if (hwdev == NULL || hwdev->dma_mask != 0xffffffff)
26 #ifdef CONFIG_NOT_COHERENT_CACHE
27 ret = consistent_alloc(gfp, size, dma_handle);
29 ret = (void *)__get_free_pages(gfp, get_order(size));
34 #ifndef CONFIG_NOT_COHERENT_CACHE
35 *dma_handle = virt_to_bus(ret);
41 void pci_free_consistent(struct pci_dev *hwdev, size_t size,
42 void *vaddr, dma_addr_t dma_handle)
44 #ifdef CONFIG_NOT_COHERENT_CACHE
45 consistent_free(vaddr);
47 free_pages((unsigned long)vaddr, get_order(size));