diff options
author | Lin Ming <ming.m.lin@intel.com> | 2009-12-11 10:28:27 +0300 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2009-12-16 01:29:37 +0300 |
commit | e31c32cfe52e98344dad28853c3331879f72c4b0 (patch) | |
tree | 6eb3fe63ef91c8125757f52ddfe0e9a82d22cff0 | |
parent | 465da9eb75665203a826f961de74a817b870850a (diff) | |
download | linux-e31c32cfe52e98344dad28853c3331879f72c4b0.tar.xz |
ACPICA: Module-level code: enable _REG execution in same scope
This change enables the execution of _REG methods that appear
in the same scope as the module-level code, in resonse to an
operation region declaration within the module-level code.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r-- | drivers/acpi/acpica/acobject.h | 6 | ||||
-rw-r--r-- | drivers/acpi/acpica/dsmethod.c | 2 | ||||
-rw-r--r-- | drivers/acpi/acpica/evrgnini.c | 15 | ||||
-rw-r--r-- | drivers/acpi/acpica/nsaccess.c | 2 | ||||
-rw-r--r-- | drivers/acpi/acpica/nseval.c | 12 | ||||
-rw-r--r-- | drivers/acpi/acpica/psxface.c | 3 |
6 files changed, 36 insertions, 4 deletions
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index b39d682a2140..64062b1be3ee 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -180,7 +180,11 @@ struct acpi_object_method { u8 sync_level; union acpi_operand_object *mutex; u8 *aml_start; - ACPI_INTERNAL_METHOD implementation; + union { + ACPI_INTERNAL_METHOD implementation; + union acpi_operand_object *handler; + } extra; + u32 aml_length; u8 thread_count; acpi_owner_id owner_id; diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 567a4899a018..e786f9fd767f 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -414,7 +414,7 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, /* Invoke an internal method if necessary */ if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { - status = obj_desc->method.implementation(next_walk_state); + status = obj_desc->method.extra.implementation(next_walk_state); if (status == AE_OK) { status = AE_CTRL_TERMINATE; } diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index cf29c4953028..ff168052a332 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -575,6 +575,21 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj, handler_obj = obj_desc->thermal_zone.handler; break; + case ACPI_TYPE_METHOD: + /* + * If we are executing module level code, the original + * Node's object was replaced by this Method object and we + * saved the handler in the method object. + * + * See acpi_ns_exec_module_code + */ + if (obj_desc->method. + flags & AOPOBJ_MODULE_LEVEL) { + handler_obj = + obj_desc->method.extra.handler; + } + break; + default: /* Ignore other objects */ break; diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index 9c3cdbe2d82a..d622ba770000 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -165,7 +165,7 @@ acpi_status acpi_ns_root_initialize(void) obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY; - obj_desc->method.implementation = + obj_desc->method.extra.implementation = acpi_ut_osi_implementation; #endif break; diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index 65e0d1a260ea..af9fe9103734 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -381,6 +381,18 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj, method_obj->method.next_object); type = acpi_ns_get_type(parent_node); + /* + * Get the region handler and save it in the method object. We may need + * this if an operation region declaration causes a _REG method to be run. + * + * We can't do this in acpi_ps_link_module_code because + * acpi_gbl_root_node->Object is NULL at PASS1. + */ + if ((type == ACPI_TYPE_DEVICE) && parent_node->object) { + method_obj->method.extra.handler = + parent_node->object->device.handler; + } + /* Must clear next_object (acpi_ns_attach_object needs the field) */ method_obj->method.next_object = NULL; diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 12934ad6da8e..d0c1b91eb8ca 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -287,7 +287,8 @@ acpi_status acpi_ps_execute_method(struct acpi_evaluate_info *info) /* Invoke an internal method if necessary */ if (info->obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { - status = info->obj_desc->method.implementation(walk_state); + status = + info->obj_desc->method.extra.implementation(walk_state); info->return_object = walk_state->return_desc; /* Cleanup states */ |