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Diffstat (limited to 'include/asm-powerpc/pci.h')
-rw-r--r--include/asm-powerpc/pci.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h
index ac656ee6bb1..ce0f13e8eb1 100644
--- a/include/asm-powerpc/pci.h
+++ b/include/asm-powerpc/pci.h
@@ -70,19 +70,22 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
*/
#define PCI_DISABLE_MWI
-extern struct dma_mapping_ops *pci_dma_ops;
+#ifdef CONFIG_PCI
+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)
{
- if (pci_dma_ops && pci_dma_ops->dac_dma_supported)
- return pci_dma_ops->dac_dma_supported(&hwdev->dev, 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;
}
-#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
@@ -99,6 +102,9 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
*strat = PCI_DMA_BURST_MULTIPLE;
*strategy_parameter = cacheline_size;
}
+#else /* CONFIG_PCI */
+#define set_pci_dma_ops(d)
+#define get_pci_dma_ops() NULL
#endif
extern int pci_domain_nr(struct pci_bus *bus);