[PATCH 07/15] PCI, powerpc: Register busn_res for root buses

From: Yinghai Lu
Date: Wed Feb 01 2012 - 17:45:18 EST


Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
---
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 cce98d7..501f29b 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1732,6 +1732,8 @@ 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)
@@ -1742,8 +1744,11 @@ 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

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