[PATCH -v11 15/30] PCI, powerpc: Register busn_res for root buses
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From: Yinghai Lu <yinghai@kernel.org>
Date: 2012-03-19 05:45:30
Also in:
linux-arch, linux-pci, lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Revision v11 of 5 in this series.
Revisions (5)
Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <redacted> Cc: linuxppc-dev@lists.ozlabs.org --- arch/powerpc/include/asm/pci-bridge.h | 1 + arch/powerpc/kernel/pci-common.c | 10 +++++++++- 2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 5d48765..11cebf0 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h@@ -30,6 +30,7 @@ struct pci_controller { int first_busno; int last_busno; int self_busno; + struct resource busn; void __iomem *io_base_virt; #ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 910b9de..ee8c0c9 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c@@ -1648,6 +1648,11 @@ void __devinit pcibios_scan_phb(struct pci_controller *hose) /* Wire up PHB bus resources */ pcibios_setup_phb_resources(hose, &resources); + hose->busn.start = hose->first_busno; + hose->busn.end = hose->last_busno; + hose->busn.flags = IORESOURCE_BUS; + pci_add_resource(&resources, &hose->busn); + /* Create an empty bus for the toplevel */ bus = pci_create_root_bus(hose->parent, hose->first_busno, hose->ops, hose, &resources);
@@ -1670,8 +1675,11 @@ 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