diff options
Diffstat (limited to 'drivers/acpi/acpica/nsinit.c')
| -rw-r--r-- | drivers/acpi/acpica/nsinit.c | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index d77257d1c827..03373e7f7978 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -3,7 +3,7 @@ * * Module Name: nsinit - namespace initialization * - * Copyright (C) 2000 - 2018, Intel Corp. + * Copyright (C) 2000 - 2025, Intel Corp. * *****************************************************************************/ @@ -55,14 +55,19 @@ acpi_status acpi_ns_initialize_objects(void) ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "**** Starting initialization of namespace objects ****\n")); ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - "Completing Region/Field/Buffer/Package initialization:\n")); + "Final data object initialization: ")); - /* Set all init info to zero */ + /* Clear the info block */ memset(&info, 0, sizeof(struct acpi_init_walk_info)); /* Walk entire namespace from the supplied root */ + /* + * TBD: will become ACPI_TYPE_PACKAGE as this type object + * is now the only one that supports deferred initialization + * (forward references). + */ status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, acpi_ns_init_one_object, NULL, &info, NULL); @@ -71,13 +76,8 @@ acpi_status acpi_ns_initialize_objects(void) } ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, - " Initialized %u/%u Regions %u/%u Fields %u/%u " - "Buffers %u/%u Packages (%u nodes)\n", - info.op_region_init, info.op_region_count, - info.field_init, info.field_count, - info.buffer_init, info.buffer_count, - info.package_init, info.package_count, - info.object_count)); + "Namespace contains %u (0x%X) objects\n", + info.object_count, info.object_count)); ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "%u Control Methods found\n%u Op Regions found\n", @@ -382,34 +382,18 @@ acpi_ns_init_one_object(acpi_handle obj_handle, acpi_ex_enter_interpreter(); /* - * Each of these types can contain executable AML code within the - * declaration. + * Only initialization of Package objects can be deferred, in order + * to support forward references. */ switch (type) { - case ACPI_TYPE_REGION: - - info->op_region_init++; - status = acpi_ds_get_region_arguments(obj_desc); - break; - - case ACPI_TYPE_BUFFER_FIELD: - - info->field_init++; - status = acpi_ds_get_buffer_field_arguments(obj_desc); - break; - case ACPI_TYPE_LOCAL_BANK_FIELD: + /* TBD: bank_fields do not require deferred init, remove this code */ + info->field_init++; status = acpi_ds_get_bank_field_arguments(obj_desc); break; - case ACPI_TYPE_BUFFER: - - info->buffer_init++; - status = acpi_ds_get_buffer_arguments(obj_desc); - break; - case ACPI_TYPE_PACKAGE: /* Complete the initialization/resolution of the package object */ @@ -421,8 +405,13 @@ acpi_ns_init_one_object(acpi_handle obj_handle, default: - /* No other types can get here */ + /* No other types should get here */ + status = AE_TYPE; + ACPI_EXCEPTION((AE_INFO, status, + "Opcode is not deferred [%4.4s] (%s)", + acpi_ut_get_node_name(node), + acpi_ut_get_type_name(type))); break; } @@ -478,7 +467,7 @@ acpi_ns_find_ini_methods(acpi_handle obj_handle, /* We are only looking for methods named _INI */ - if (!ACPI_COMPARE_NAME(node->name.ascii, METHOD_NAME__INI)) { + if (!ACPI_COMPARE_NAMESEG(node->name.ascii, METHOD_NAME__INI)) { return (AE_OK); } @@ -641,7 +630,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * Note: We know there is an _INI within this subtree, but it may not be * under this particular device, it may be lower in the branch. */ - if (!ACPI_COMPARE_NAME(device_node->name.ascii, "_SB_") || + if (!ACPI_COMPARE_NAMESEG(device_node->name.ascii, "_SB_") || device_node->parent != acpi_gbl_root_node) { ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, device_node, |