diff options
Diffstat (limited to 'arch/powerpc/kernel/pci-common.c')
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 9979c43cc8c..68102ce7e43 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -639,3 +639,19 @@ void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose, hose->mem_resources[memno-1] = tmp; } } + +/* Decide whether to display the domain number in /proc */ +int pci_proc_domain(struct pci_bus *bus) +{ + struct pci_controller *hose = pci_bus_to_host(bus); +#ifdef CONFIG_PPC64 + return hose->buid != 0; +#else + if (!(ppc_pci_flags & PPC_PCI_ENABLE_PROC_DOMAINS)) + return 0; + if (ppc_pci_flags & PPC_PCI_COMPAT_DOMAIN_0) + return hose->global_number != 0; + return 1; +#endif +} + |