kernels/linux-2.4.0/include/asm-arm/pci.h
/* Free and unmap a consistent DMA buffer.
 * cpu_addr is what was returned from pci_alloc_consistent,
 * size must be the same as what as passed into pci_alloc_consistent,
 * and likewise dma_addr must be the same as what *dma_addrp was set to.
 *
 * References to the memory and mappings associated with cpu_addr/dma_addr
 * past this call are illegal.
 */
Free and unmap a consistent DMA buffer.
cpu_addr is what was returned from pci_alloc_consistent,
size must be the same as what as passed into pci_alloc_consistent,
and likewise dma_addr must be the same as what *dma_addrp was set to.

References to the memory and mappings associated with cpu_addr/dma_addr
past this call are illegal.
Free and unmap a consistent DMA buffer . cpu_addr is what was returned from pci_alloc_consistent size must be the same as what as passed into pci_alloc_consistent and likewise dma_addr must be the same as what * dma_addrp was set to . References to the memory and mappings associated with cpu_addr / dma_addr past this call are illegal .
extern inline void
pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr,
		    dma_addr_t dma_handle)
{
	consistent_free(vaddr);
}
extern inline void pci_free_consistent ( struct pci_dev * hwdev , size_t size , void * vaddr , dma_addr_t dma_handle ) { consistent_free ( vaddr ) ; }
Free and unmap a consistent DMA buffer.
Free and unmap a consistent DMA buffer .