diff options
Diffstat (limited to 'include/asm-powerpc/pci.h')
| -rw-r--r-- | include/asm-powerpc/pci.h | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h index 46afd29b904..16f13319c76 100644 --- a/include/asm-powerpc/pci.h +++ b/include/asm-powerpc/pci.h @@ -62,29 +62,23 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) } #ifdef CONFIG_PPC64 -#define HAVE_ARCH_PCI_MWI 1 -static inline int pcibios_prep_mwi(struct pci_dev *dev) -{ - /* - * We would like to avoid touching the cacheline size or MWI bit - * but we cant do that with the current pcibios_prep_mwi - * interface. pSeries firmware sets the cacheline size (which is not - * the cpu cacheline size in all cases) and hardware treats MWI - * the same as memory write. So we dont touch the cacheline size - * here and allow the generic code to set the MWI bit. - */ - return 0; -} -extern struct dma_mapping_ops pci_dma_ops; +/* + * We want to avoid touching the cacheline size or MWI bit. + * pSeries firmware sets the cacheline size (which is not the cpu cacheline + * size in all cases) and hardware treats MWI the same as memory write. + */ +#define PCI_DISABLE_MWI + +extern struct dma_mapping_ops *pci_dma_ops; /* 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.dac_dma_supported) - return pci_dma_ops.dac_dma_supported(&hwdev->dev, mask); + if (pci_dma_ops && pci_dma_ops->dac_dma_supported) + return pci_dma_ops->dac_dma_supported(&hwdev->dev, mask); return 0; } @@ -216,6 +210,8 @@ extern int remap_bus_range(struct pci_bus *bus); extern void pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus); +extern void pcibios_setup_new_device(struct pci_dev *dev); + extern void pcibios_claim_one_bus(struct pci_bus *b); extern struct pci_controller *init_phb_dynamic(struct device_node *dn); @@ -238,12 +234,10 @@ extern pgprot_t pci_phys_mem_access_prot(struct file *file, unsigned long size, pgprot_t prot); -#if defined(CONFIG_PPC_MULTIPLATFORM) || defined(CONFIG_PPC32) #define HAVE_ARCH_PCI_RESOURCE_TO_USER extern void pci_resource_to_user(const struct pci_dev *dev, int bar, const struct resource *rsrc, resource_size_t *start, resource_size_t *end); -#endif /* CONFIG_PPC_MULTIPLATFORM || CONFIG_PPC32 */ #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ |