Patchwork [15/21] ia64/PCI: register busn_res for root buses

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Submitter Yinghai Lu
Date May 7, 2012, 8:30 p.m.
Message ID <1336422606-4244-16-git-send-email-yinghai@kernel.org>
Download mbox | patch
Permalink /patch/157427/
State Rejected
Headers show

Comments

Yinghai Lu - May 7, 2012, 8:30 p.m.
Add the host bridge bus number aperture from _CRS to the resource list.
Like the MMIO and I/O port apertures, this is used when assigning
resources to hot-added devices or in the case of conflicts.

[bhelgaas: write changelog]
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/pci/pci.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

Patch

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 3ca9bed..d173a88 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -351,6 +351,8 @@  pci_acpi_scan_root(struct acpi_pci_root *root)
 #endif
 
 	INIT_LIST_HEAD(&info.resources);
+	/* insert busn resource at first */
+	pci_add_resource(&info.resources, &root->secondary);
 	acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
 			&windows);
 	if (windows) {
@@ -384,7 +386,7 @@  pci_acpi_scan_root(struct acpi_pci_root *root)
 		return NULL;
 	}
 
-	pbus->busn_res.end = pci_scan_child_bus(pbus);
+	pci_scan_child_bus(pbus);
 	return pbus;
 
 out3: