extern void set_pci_dma_ops(struct dma_mapping_ops *dma_ops);
extern struct dma_mapping_ops *get_pci_dma_ops(void);
-/* For DAC DMA, we currently don't support it by default, but
- * we let 64-bit platforms override this.
- */
-static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
-{
- struct dma_mapping_ops *d = get_pci_dma_ops();
-
- if (d && d->dac_dma_supported)
- return d->dac_dma_supported(&hwdev->dev, mask);
- return 0;
-}
-
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
}
#endif
-/*
- * At present there are very few 32-bit PPC machines that can have
- * memory above the 4GB point, and we don't support that.
- */
-#define pci_dac_dma_supported(pci_dev, mask) (0)
-
/* Return the index of the PCI controller for device PDEV. */
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index