# \[PATCH 08/18\] PCI, powerpc: Register busn\_res for root buses - From: Yinghai Lu \ - Date: 2012-02-28 02:13:00 - List: linuxppc-dev - Page: https://ratatoskr.run/linuxppc-dev/2012/02/3828037 - Thread: https://ratatoskr.run/linux-pci/2012/02/3828029/t.md ```text Signed-off-by: Yinghai Lu Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: --- arch/powerpc/kernel/pci-common.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 910b9de..ae5ae5f 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1660,6 +1660,8 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose) bus->secondary = hose->first_busno; hose->bus = bus; + pci_bus_insert_busn_res(bus, hose->first_busno, hose->last_busno); + /* Get probe mode and perform scan */ mode = PCI_PROBE_NORMAL; if (node && ppc_md.pci_probe_mode) @@ -1670,8 +1672,11 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose) of_scan_bus(node, bus); } - if (mode == PCI_PROBE_NORMAL) + if (mode == PCI_PROBE_NORMAL) { + pci_bus_update_busn_res_end(bus, 255); hose->last_busno = bus->subordinate = pci_scan_child_bus(bus); + pci_bus_update_busn_res_end(bus, bus->subordinate); + } /* Platform gets a chance to do some global fixups before * we proceed to resource allocation -- 1.7.7 ```