-/* True if the machine supports DAC addressing, and DEV can
- make use of it given MASK. */
-extern int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
-
-/* Convert to/from DAC dma address and struct page. */
-extern dma64_addr_t pci_dac_page_to_dma(struct pci_dev *, struct page *,
- unsigned long, int);
-extern struct page *pci_dac_dma_to_page(struct pci_dev *, dma64_addr_t);
-extern unsigned long pci_dac_dma_to_offset(struct pci_dev *, dma64_addr_t);
-
-static inline void
-pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr,
- size_t len, int direction)
-{
- /* Nothing to do. */
-}
-
-static inline void
-pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr,
- size_t len, int direction)
-{
- /* Nothing to do. */
-}
-