1 files changed, 8 insertions, 1 deletions

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 21fa13e84470..cbd5893d198e 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -463,6 +463,12 @@ find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
                 add_p2p_bridge(handle, dev);
         }
 
+        /* search P2P bridges under this p2p bridge */
+        status = acpi_walk_namespace(ACPI_TYPE_DEVICE, handle, (u32)1,
+                                     find_p2p_bridge, dev->subordinate, NULL);
+        if (ACPI_FAILURE(status))
+                warn("find_p2p_bridge faied (error code = 0x%x)\n", status);
+
  out:
         pci_dev_put(dev);
         return AE_OK;
@@ -603,7 +609,8 @@ static void remove_bridge(acpi_handle handle)
         } else {
                 /* clean-up p2p bridges under this host bridge */
                 acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
-                                (u32)1, cleanup_p2p_bridge, NULL, NULL);
+                                    ACPI_UINT32_MAX, cleanup_p2p_bridge,
+                                    NULL, NULL);
         }
 }