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Date: Fri, 16 Jan 2015 09:44:16 +0800 From: Yijing Wang <wangyijing@...wei.com> To: Bjorn Helgaas <bhelgaas@...gle.com> CC: Jiang Liu <jiang.liu@...ux.intel.com>, <linux-pci@...r.kernel.org>, Yinghai Lu <yinghai@...nel.org>, <linux-kernel@...r.kernel.org>, Marc Zyngier <marc.zyngier@....com>, <linux-arm-kernel@...ts.infradead.org>, Russell King <linux@....linux.org.uk>, <x86@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Tony Luck <tony.luck@...el.com>, <linux-ia64@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>, "Guan Xuetao" <gxt@...c.pku.edu.cn>, <linux-alpha@...r.kernel.org>, <linux-m68k@...ts.linux-m68k.org>, Liviu Dudau <liviu@...au.co.uk>, "Arnd Bergmann" <arnd@...db.de>, Geert Uytterhoeven <geert@...ux-m68k.org>, "Yijing Wang" <wangyijing@...wei.com> Subject: [PATCH 18/28] PCI/sparc: Use pci_scan_root_bridge() for simplicity Now we could use pci_scan_root_bridge() to scan pci buses, provide sparc specific pci_host_bridge_ops. Signed-off-by: Yijing Wang <wangyijing@...wei.com> --- arch/sparc/kernel/pci.c | 30 ++++++++++++++++++++++++------ 1 files changed, 24 insertions(+), 6 deletions(-) diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index d798b42..42dc21f 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -647,12 +647,31 @@ static void pci_claim_bus_resources(struct pci_bus *bus) pci_claim_bus_resources(child_bus); } +static void pci_host_bridge_probe_mode( + struct pci_host_bridge *host) +{ + host->of_scan = true; +} + +static void pci_host_bridge_of_scan_bus( + struct pci_host_bridge *host) +{ + struct pci_pbm_info *pbm = dev_get_drvdata(&host->dev); + struct device_node *node = pbm->op->dev.of_node; + + pci_of_scan_bus(pbm, node, host->bus); +} + +static struct pci_host_bridge_ops phb_ops = { + .phb_of_scan_bus, +}; + struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm, struct device *parent) { LIST_HEAD(resources); struct device_node *node = pbm->op->dev.of_node; - struct pci_bus *bus; + struct pci_host_bridge *host; printk("PCI: Scanning PBM %s\n", node->full_name); @@ -664,17 +683,16 @@ struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm, pbm->busn.end = pbm->pci_last_busno; pbm->busn.flags = IORESOURCE_BUS; pci_add_resource(&resources, &pbm->busn); - bus = pci_create_root_bus(parent, + host = pci_scan_root_bridge(parent, PCI_DOMBUS(pbm->index, pbm->pci_first_busno), - pbm->pci_ops, pbm, &resources); - if (!bus) { - printk(KERN_ERR "Failed to create bus for %s\n", + pbm->pci_ops, pbm, &resources, &phb_ops); + if (!host) { + printk(KERN_ERR "Failed to create host bridge for %s\n", node->full_name); pci_free_resource_list(&resources); return NULL; } - pci_of_scan_bus(pbm, node, bus); pci_bus_add_devices(bus); pci_bus_register_of_sysfs(bus); -- 1.7.1 -- 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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