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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2007-03-04 17:02:41 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-03-09 15:03:25 +1100 |
| commit | 57190708f1f52d732d94fa21a8e576302d384d33 (patch) | |
| tree | e288959df1d9ed7cb4664ce17b792e065a4d97a1 /include/asm-powerpc | |
| parent | 9874777016e06ad2df420237963e81389776cb6d (diff) | |
| download | blackbird-op-linux-57190708f1f52d732d94fa21a8e576302d384d33.tar.gz blackbird-op-linux-57190708f1f52d732d94fa21a8e576302d384d33.zip | |
[POWERPC] Create and use get_pci_dma_ops()
This allows us to hide pci_dma_ops.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/pci.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h index ebf31f1c5915..ce0f13e8eb14 100644 --- a/include/asm-powerpc/pci.h +++ b/include/asm-powerpc/pci.h @@ -71,17 +71,18 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) #define PCI_DISABLE_MWI #ifdef CONFIG_PCI -extern struct dma_mapping_ops *pci_dma_ops; - 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; } @@ -103,6 +104,7 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, } #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); |
