diff options
Diffstat (limited to 'arch/powerpc/include/asm/pci-bridge.h')
| -rw-r--r-- | arch/powerpc/include/asm/pci-bridge.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 2c6dc2a3d14a..0f441b8e1ea1 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -15,6 +15,13 @@ struct device_node; /* + * PCI controller operations + */ +struct pci_controller_ops { + void (*dma_dev_setup)(struct pci_dev *dev); +}; + +/* * Structure of a PCI controller (host bridge) */ struct pci_controller { @@ -46,6 +53,7 @@ struct pci_controller { resource_size_t isa_mem_phys; resource_size_t isa_mem_size; + struct pci_controller_ops controller_ops; struct pci_ops *ops; unsigned int __iomem *cfg_addr; void __iomem *cfg_data; @@ -260,5 +268,18 @@ static inline int pcibios_vaddr_is_ioport(void __iomem *address) } #endif /* CONFIG_PCI */ +/* + * Shims to prefer pci_controller version over ppc_md where available. + */ +static inline void pci_dma_dev_setup(struct pci_dev *dev) +{ + struct pci_controller *phb = pci_bus_to_host(dev->bus); + + if (phb->controller_ops.dma_dev_setup) + phb->controller_ops.dma_dev_setup(dev); + else if (ppc_md.pci_dma_dev_setup) + ppc_md.pci_dma_dev_setup(dev); +} + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_PCI_BRIDGE_H */ |