diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/acevents.h | 2 | ||||
| -rw-r--r-- | drivers/acpi/acpica/evregion.c | 46 | ||||
| -rw-r--r-- | drivers/acpi/acpica/evrgnini.c | 30 | ||||
| -rw-r--r-- | drivers/acpi/acpica/excreate.c | 6 |
4 files changed, 55 insertions, 29 deletions
diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index 42975abf1e03..772ee3c1bdc3 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -198,6 +198,8 @@ void acpi_ev_detach_region(union acpi_operand_object *region_obj, u8 acpi_ns_is_locked); +void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj); + acpi_status acpi_ev_execute_reg_methods(struct acpi_namespace_node *node, acpi_adr_space_type space_id); diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index 19a4e695555f..432b81080369 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -529,6 +529,52 @@ acpi_ev_attach_region(union acpi_operand_object *handler_obj, /******************************************************************************* * + * FUNCTION: acpi_ev_associate_reg_method + * + * PARAMETERS: region_obj - Region object + * + * RETURN: Status + * + * DESCRIPTION: Find and associate _REG method to a region + * + ******************************************************************************/ + +void acpi_ev_associate_reg_method(union acpi_operand_object *region_obj) +{ + acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; + struct acpi_namespace_node *method_node; + struct acpi_namespace_node *node; + union acpi_operand_object *region_obj2; + acpi_status status; + + ACPI_FUNCTION_TRACE(ev_associate_reg_method); + + region_obj2 = acpi_ns_get_secondary_object(region_obj); + if (!region_obj2) { + return_VOID; + } + + node = region_obj->region.node->parent; + + /* Find any "_REG" method associated with this region definition */ + + status = + acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, + &method_node); + if (ACPI_SUCCESS(status)) { + /* + * The _REG method is optional and there can be only one per region + * definition. This will be executed when the handler is attached + * or removed + */ + region_obj2->extra.method_REG = method_node; + } + + return_VOID; +} + +/******************************************************************************* + * * FUNCTION: acpi_ev_execute_reg_method * * PARAMETERS: region_obj - Region object diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 024689dadcd2..bb2e529249c7 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -507,9 +507,6 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, acpi_adr_space_type space_id; struct acpi_namespace_node *node; acpi_status status; - struct acpi_namespace_node *method_node; - acpi_name *reg_name_ptr = (acpi_name *) METHOD_NAME__REG; - union acpi_operand_object *region_obj2; ACPI_FUNCTION_TRACE_U32(ev_initialize_region, acpi_ns_locked); @@ -521,35 +518,12 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_OK); } - region_obj2 = acpi_ns_get_secondary_object(region_obj); - if (!region_obj2) { - return_ACPI_STATUS(AE_NOT_EXIST); - } + acpi_ev_associate_reg_method(region_obj); + region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; node = region_obj->region.node->parent; space_id = region_obj->region.space_id; - /* Setup defaults */ - - region_obj->region.handler = NULL; - region_obj2->extra.method_REG = NULL; - region_obj->common.flags &= ~(AOPOBJ_SETUP_COMPLETE); - region_obj->common.flags |= AOPOBJ_OBJECT_INITIALIZED; - - /* Find any "_REG" method associated with this region definition */ - - status = - acpi_ns_search_one_scope(*reg_name_ptr, node, ACPI_TYPE_METHOD, - &method_node); - if (ACPI_SUCCESS(status)) { - /* - * The _REG method is optional and there can be only one per region - * definition. This will be executed when the handler is attached - * or removed - */ - region_obj2->extra.method_REG = method_node; - } - /* * The following loop depends upon the root Node having no parent * ie: acpi_gbl_root_node->Parent being set to NULL diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 0f3444647f52..6a1396e313b1 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -326,9 +326,10 @@ acpi_ex_create_region(u8 * aml_start, * Remember location in AML stream of address & length * operands since they need to be evaluated at run time. */ - region_obj2 = obj_desc->common.next_object; + region_obj2 = acpi_ns_get_secondary_object(obj_desc); region_obj2->extra.aml_start = aml_start; region_obj2->extra.aml_length = aml_length; + region_obj2->extra.method_REG = NULL; if (walk_state->scope_info) { region_obj2->extra.scope_node = walk_state->scope_info->scope.node; @@ -342,6 +343,9 @@ acpi_ex_create_region(u8 * aml_start, obj_desc->region.address = 0; obj_desc->region.length = 0; obj_desc->region.node = node; + obj_desc->region.handler = NULL; + obj_desc->common.flags &= + ~(AOPOBJ_SETUP_COMPLETE | AOPOBJ_OBJECT_INITIALIZED); /* Install the new region object in the parent Node */ |