[PATCH] acpi bridge hotadd: Allow ACPI .add and .start operations to be done independently

Create new interfaces to recursively add an acpi namespace object to the acpi
device list, and recursively start the namespace object.  This is needed for
ACPI based hotplug of a root bridge hierarchy where the add operation must be
performed first and the start operation must be performed separately after the
hot-plugged devices have been properly configured.

Signed-off-by: Rajesh Shah <rajesh.shah@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 16 insertions, 1 deletions

diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index c627bc408a6b..9ad142476f33 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -108,6 +108,21 @@ typedef int (*acpi_op_unbind)	(struct acpi_device *device);
 typedef int (*acpi_op_match)    (struct acpi_device *device,
                                  struct acpi_driver *driver);
 
+struct acpi_bus_ops {
+        u32                     acpi_op_add:1;
+        u32                     acpi_op_remove:1;
+        u32                     acpi_op_lock:1;
+        u32                     acpi_op_start:1;
+        u32                     acpi_op_stop:1;
+        u32                     acpi_op_suspend:1;
+        u32                     acpi_op_resume:1;
+        u32                     acpi_op_scan:1;
+        u32                     acpi_op_bind:1;
+        u32                     acpi_op_unbind:1;
+        u32                     acpi_op_match:1;
+        u32                     reserved:21;
+};
+
 struct acpi_device_ops {
         acpi_op_add             add;
         acpi_op_remove          remove;
@@ -327,9 +342,9 @@ int acpi_bus_generate_event (struct acpi_device *device, u8 type, int data);
 int acpi_bus_receive_event (struct acpi_bus_event *event);
 int acpi_bus_register_driver (struct acpi_driver *driver);
 int acpi_bus_unregister_driver (struct acpi_driver *driver);
-int acpi_bus_scan (struct acpi_device *start);
 int acpi_bus_add (struct acpi_device **child, struct acpi_device *parent,
                 acpi_handle handle, int type);
+int acpi_bus_start (struct acpi_device *device);
 
 
 int acpi_match_ids (struct acpi_device  *device, char   *ids);