[PATCH 12/24] PCI, ia64: Register busn_res for root buses

[Yinghai Lu <yinghai@kernel.org>]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
---
 arch/ia64/include/asm/pci.h |    1 +
 arch/ia64/pci/pci.c         |    5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index b22e5f5..6e54220 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -94,6 +94,7 @@ struct pci_controller {
 
 	unsigned int windows;
 	struct pci_window *window;
+	struct resource busn;
 
 	void *platform_data;
 };
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index d1ce320..b250f0f 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -332,6 +332,7 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
 	struct acpi_device *device = root->device;
 	int domain = root->segment;
 	int bus = root->secondary.start;
+	int busmax = root->secondary.end;
 	struct pci_controller *controller;
 	unsigned int windows = 0;
 	struct pci_root_info info;
@@ -372,6 +373,10 @@ pci_acpi_scan_root(struct acpi_pci_root *root)
 		acpi_walk_resources(device->handle, METHOD_NAME__CRS,
 			add_window, &info);
 	}
+	controller->busn.start = bus;
+	controller->busn.end = busmax;
+	conttoller->busn.flags = IORESOURCE_BUS;
+	pci_add_resource(&info.resources, &controller->busn);
 	/*
 	 * See arch/x86/pci/acpi.c.
 	 * The desired pci bus might already be scanned in a quirk. We
-- 
1.7.7