From fa462f2d75e2437b5757069d3d7d27b1e50285cb Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Thu, 20 Dec 2007 14:54:49 +1100 Subject: [POWERPC] pci32: Add platform option to enable /proc PCI domains This adds flags the platforms can use to enable domain numbers in /proc/bus/pci. Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- arch/powerpc/kernel/pci-common.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/powerpc/kernel/pci-common.c') 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 +} + -- cgit v1.2.3