From 57190708f1f52d732d94fa21a8e576302d384d33 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Sun, 4 Mar 2007 17:02:41 +1100 Subject: [POWERPC] Create and use get_pci_dma_ops() This allows us to hide pci_dma_ops. Signed-off-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- include/asm-powerpc/pci.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'include/asm-powerpc') diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h index ebf31f1c591..ce0f13e8eb1 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); -- cgit v1.2.3