diff options
Diffstat (limited to 'arch/powerpc/platforms/powermac/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/powermac/pci.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index f4071a67ad00..a792f4552442 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -1223,3 +1223,20 @@ static void fixup_u4_pcie(struct pci_dev* dev) pci_write_config_dword(dev, PCI_PREF_MEMORY_BASE, 0); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_U4_PCIE, fixup_u4_pcie); + +#ifdef CONFIG_PPC64 +int pmac_pci_probe_mode(struct pci_bus *bus) +{ + struct device_node *node = pci_bus_to_OF_node(bus); + + /* We need to use normal PCI probing for the AGP bus, + * since the device for the AGP bridge isn't in the tree. + * Same for the PCIe host on U4 and the HT host bridge. + */ + if (bus->self == NULL && (of_device_is_compatible(node, "u3-agp") || + of_device_is_compatible(node, "u4-pcie") || + of_device_is_compatible(node, "u3-ht"))) + return PCI_PROBE_NORMAL; + return PCI_PROBE_DEVTREE; +} +#endif /* CONFIG_PPC64 */ |