ACPICA: Add post-order callback to acpi_walk_namespace

The existing interface only has a pre-order callback. This change
adds an additional parameter for a post-order callback which will
be more useful for bus scans. ACPICA BZ 779.

Also update the external calls to acpi_walk_namespace.

http://www.acpica.org/bugzilla/show_bug.cgi?id=779

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 28ccdbc05ac8..3597d73f28f6 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -537,7 +537,7 @@ static int __init acpi_memory_device_init(void)
 
         status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
                                      ACPI_UINT32_MAX,
-                                     acpi_memory_register_notify_handler,
+                                     acpi_memory_register_notify_handler, NULL,
                                      NULL, NULL);
 
         if (ACPI_FAILURE(status)) {
@@ -561,7 +561,7 @@ static void __exit acpi_memory_device_exit(void)
          */
         status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
                                      ACPI_UINT32_MAX,
-                                     acpi_memory_deregister_notify_handler,
+                                     acpi_memory_deregister_notify_handler, NULL,
                                      NULL, NULL);
 
         if (ACPI_FAILURE(status))