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ACPICA: Executer: Add back pointing reference of method operand

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ACPICA commit 9dcd124e914e87495fbd1786d9484b962e0823e0

This patch adds back pointing reference of the namespace node for a method
operand. The namespace node then can be used in
acpi_ds_terminate_control_method() to obtain method full path to be used by
tracing facilities. Lv Zheng.

Link: https://github.com/acpica/acpica/commit/9dcd124e
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>
This commit is contained in:
Lv Zheng 2015-07-23 12:52:31 +08:00 committed by Rafael J. Wysocki
parent 62eb935b77
commit 07b9c91225
3 changed files with 5 additions and 0 deletions
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1
drivers/acpi/acpica/acobject.h
View file

@ -176,6 +176,7 @@ struct acpi_object_method {
u8 param_count;
u8 sync_level;
union acpi_operand_object *mutex;
union acpi_operand_object *node;
u8 *aml_start;
union {
acpi_internal_method implementation;

1
drivers/acpi/acpica/excreate.c
View file

@ -486,6 +486,7 @@ acpi_ex_create_method(u8 * aml_start,
obj_desc->method.aml_start = aml_start;
obj_desc->method.aml_length = aml_length;
obj_desc->method.node = operand[0];
/*
* Disassemble the method flags. Split off the arg_count, Serialized

3
drivers/acpi/acpica/utdelete.c
View file

@ -209,6 +209,9 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
acpi_ut_delete_object_desc(object->method.mutex);
object->method.mutex = NULL;
}
if (object->method.node) {
object->method.node = NULL;
}
break;
case ACPI_TYPE_REGION: