linux-kernel - [PATCH 11/12] sparc/pci: use pci_create_bus() instead of pci_scan_bus

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Message-ID: <20111011031924.5149.77974.stgit@bhelgaas.mtv.corp.google.com>
Date:	Mon, 10 Oct 2011 21:19:24 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	linux-pci@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH 11/12] sparc/pci: use pci_create_bus() instead of
	pci_scan_bus_parented()

Convert to pci_create_bus() so we can supply the correct root bus
resources up front.

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 arch/sparc/kernel/leon_pci.c |   27 +++++++++++++++------------
 1 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
index a8a9a27..a9cd28c 100644
--- a/arch/sparc/kernel/leon_pci.c
+++ b/arch/sparc/kernel/leon_pci.c
@@ -20,21 +20,24 @@ void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info)
 {
 	struct pci_bus *root_bus;
 
-	root_bus = pci_scan_bus_parented(&ofdev->dev, 0, info->ops, info);
-	if (root_bus) {
-		root_bus->resource[0] = &info->io_space;
-		root_bus->resource[1] = &info->mem_space;
-		root_bus->resource[2] = NULL;
+	root_bus = pci_create_bus(&ofdev->dev, 0, info->ops, info, NULL);
+	if (!root_bus)
+		return;
 
-		/* Init all PCI devices into PCI tree */
-		pci_bus_add_devices(root_bus);
+	root_bus->subordinate = pci_scan_child_bus(root_bus);
 
-		/* Setup IRQs of all devices using custom routines */
-		pci_fixup_irqs(pci_common_swizzle, info->map_irq);
+	root_bus->resource[0] = &info->io_space;
+	root_bus->resource[1] = &info->mem_space;
+	root_bus->resource[2] = NULL;
 
-		/* Assign devices with resources */
-		pci_assign_unassigned_resources();
-	}
+	/* Init all PCI devices into PCI tree */
+	pci_bus_add_devices(root_bus);
+
+	/* Setup IRQs of all devices using custom routines */
+	pci_fixup_irqs(pci_common_swizzle, info->map_irq);
+
+	/* Assign devices with resources */
+	pci_assign_unassigned_resources();
 }
 
 /* PCI Memory and Prefetchable Memory is direct-mapped. However I/O Space is

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