ACPICA: Events: Introduce ACPI_REG_DISCONNECT invocation to acpi_ev_execute_reg_methods()

ACPICA commit 1cf1a1e090f61f0c27f1dcf1905c7cc79a9c51c8

It is likely that we should synchronously invoke _REG(DISCONNECT) only when
the acpi_remove_address_space_handler() is invoked because of dependencies.
If it is invoked when the object is not referenced, problem may occur
if the operation region fields accessed in _REG are no longer driven by any
device driver.

Noticed that _REG(CONNECT)/_REG(DISCONNECT) only mean to inform the AML of
the handler availability, no return value is required for the caller.

This patch only introduces ACPI_REG_DISCONNECT invaocation, but doesn't
introduce a real change. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/1cf1a1e0
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h
index 772ee3c1bdc3..d18f18409071 100644
--- a/drivers/acpi/acpica/acevents.h
+++ b/drivers/acpi/acpica/acevents.h
@@ -200,9 +200,9 @@ acpi_ev_detach_region(union acpi_operand_object *region_obj,
 
 void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj);
 
-acpi_status
+void
 acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
-			    acpi_adr_space_type space_id);
+			    acpi_adr_space_type space_id, u32 function);
 
 acpi_status
 acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);