diff options
| author | Lin Ming <ming.m.lin@intel.com> | 2009-11-12 04:57:53 +0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-11-25 05:31:11 +0300 |
| commit | 9a884ab64a4d092b4c3bf24fd9a30f7fbd4591e7 (patch) | |
| tree | 6b9fae885e7c6fc46e732db201a52a5c49260947 /drivers/acpi/acpica/psloop.c | |
| parent | dc95a270c684e771b25dce0b60559cc80c033f22 (diff) | |
| download | linux-9a884ab64a4d092b4c3bf24fd9a30f7fbd4591e7.tar.xz | |
ACPICA: Add additional module-level code support
This change will execute module-level code that is not at the
root of the namespace (under a Device object, etc.).
ACPICA BZ 762.
http://www.acpica.org/bugzilla/show_bug.cgi?id=762
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>
Diffstat (limited to 'drivers/acpi/acpica/psloop.c')
| -rw-r--r-- | drivers/acpi/acpica/psloop.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index cd7995b3aed4..0988e4a8901d 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -87,7 +87,8 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state, union acpi_parse_object *op, acpi_status status); static void -acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id); +acpi_ps_link_module_code(union acpi_parse_object *parent_op, + u8 *aml_start, u32 aml_length, acpi_owner_id owner_id); /******************************************************************************* * @@ -479,11 +480,14 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, */ if (walk_state->pass_number == ACPI_IMODE_LOAD_PASS1) { - acpi_ps_link_module_code(aml_op_start, - walk_state-> + acpi_ps_link_module_code(op->common. + parent, + aml_op_start, + (u32) + (walk_state-> parser_state. pkg_end - - aml_op_start, + aml_op_start), walk_state-> owner_id); } @@ -598,7 +602,8 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, * * FUNCTION: acpi_ps_link_module_code * - * PARAMETERS: aml_start - Pointer to the AML + * PARAMETERS: parent_op - Parent parser op + * aml_start - Pointer to the AML * aml_length - Length of executable AML * owner_id - owner_id of module level code * @@ -611,11 +616,13 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state, ******************************************************************************/ static void -acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id) +acpi_ps_link_module_code(union acpi_parse_object *parent_op, + u8 *aml_start, u32 aml_length, acpi_owner_id owner_id) { union acpi_operand_object *prev; union acpi_operand_object *next; union acpi_operand_object *method_obj; + struct acpi_namespace_node *parent_node; /* Get the tail of the list */ @@ -639,11 +646,24 @@ acpi_ps_link_module_code(u8 *aml_start, u32 aml_length, acpi_owner_id owner_id) return; } + if (parent_op->common.node) { + parent_node = parent_op->common.node; + } else { + parent_node = acpi_gbl_root_node; + } + method_obj->method.aml_start = aml_start; method_obj->method.aml_length = aml_length; method_obj->method.owner_id = owner_id; method_obj->method.flags |= AOPOBJ_MODULE_LEVEL; + /* + * Save the parent node in next_object. This is cheating, but we + * don't want to expand the method object. + */ + method_obj->method.next_object = + ACPI_CAST_PTR(union acpi_operand_object, parent_node); + if (!prev) { acpi_gbl_module_code_list = method_obj; } else { |