PCI/IA64: Add host bridge resource release for _CRS path

Set IA64 host bridge release function to make sure root bridge
related resources get freed during root bus removal.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-ia64@vger.kernel.org
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 99a9f672d156..72a1957dfff3 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -369,6 +369,13 @@ static void __release_pci_root_info(struct pci_root_info *info)
         kfree(info);
 }
 
+static void release_pci_root_info(struct pci_host_bridge *bridge)
+{
+        struct pci_root_info *info = bridge->release_data;
+
+        __release_pci_root_info(info);
+}
+
 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
 {
         struct acpi_device *device = root->device;
@@ -446,6 +453,8 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
                 return NULL;
         }
 
+        pci_set_host_bridge_release(to_pci_host_bridge(pbus->bridge),
+                        release_pci_root_info, info);
         pci_scan_child_bus(pbus);
         return pbus;