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Date: Wed, 29 Feb 2012 19:00:27 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Jesse Barnes <jbarnes@...tuousgeek.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Tony Luck <tony.luck@...el.com>, David Miller <davem@...emloft.net>, x86 <x86@...nel.org> Cc: Bjorn Helgaas <bhelgaas@...gle.com>, Dominik Brodowski <linux@...inikbrodowski.net>, linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>, Paul Mackerras <paulus@...ba.org>, linuxppc-dev@...ts.ozlabs.org Subject: [PATCH 26/36] PCI, powerpc: Register busn_res for root buses Signed-off-by: Yinghai Lu <yinghai@...nel.org> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org> Cc: Paul Mackerras <paulus@...ba.org> Cc: linuxppc-dev@...ts.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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