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authorJiang Liu <jiang.liu@huawei.com>2012-06-22 14:55:16 +0800
committerBjorn Helgaas <bhelgaas@google.com>2012-06-22 15:16:51 -0600
commitf4b57a3b4352f72e461e362cb25917e28bdba80f (patch)
tree645b4c86120578cae02e0e4065ba2b39d77bb539 /include/linux/pci-acpi.h
parent9c95111b330d2ddf851444528a7608f267cbb50c (diff)
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PCI/ACPI: provide MMCONFIG address for PCI host bridges
This patch provide MMCONFIG address for PCI host bridges, which will be used to support host bridge hotplug. It gets MMCONFIG address by evaluating _CBA method if available. Reviewed-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Jiang Liu <liuj97@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'include/linux/pci-acpi.h')
-rw-r--r--include/linux/pci-acpi.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 44623500f419..248fba2af98a 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -17,6 +17,7 @@ extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
struct pci_dev *pci_dev);
extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);
+extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)
{