ACPICA: Add support for implicit notify on multiple devices
Adds basic support to allow multiple devices to be implicitly
notified.
This change is partially derived from original commit 981858b("ACPI /
ACPICA: Implicit notify for multiple devices") by Rafael.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jung-uk Kim <jkim@freebsd.org>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index af7330f..6b225e8 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -404,6 +404,13 @@
u8 originally_enabled; /* True if GPE was originally enabled */
};
+/* Notify info for implicit notify, multiple device objects */
+
+struct acpi_gpe_notify_info {
+ struct acpi_namespace_node *device_node; /* Device to be notified */
+ struct acpi_gpe_notify_info *next;
+};
+
struct acpi_gpe_notify_object {
struct acpi_namespace_node *node;
struct acpi_gpe_notify_object *next;
@@ -412,7 +419,7 @@
union acpi_gpe_dispatch_info {
struct acpi_namespace_node *method_node; /* Method node for this GPE level */
struct acpi_gpe_handler_info *handler; /* Installed GPE handler */
- struct acpi_gpe_notify_object device; /* List of _PRW devices for implicit notify */
+ struct acpi_gpe_notify_info *notify_list; /* List of _PRW devices for implicit notifies */
};
/*
@@ -420,7 +427,7 @@
* NOTE: Important to keep this struct as small as possible.
*/
struct acpi_gpe_event_info {
- union acpi_gpe_dispatch_info dispatch; /* Either Method or Handler */
+ union acpi_gpe_dispatch_info dispatch; /* Either Method, Handler, or notify_list */
struct acpi_gpe_register_info *register_info; /* Backpointer to register info */
u8 flags; /* Misc info about this GPE */
u8 gpe_number; /* This GPE */