diff options
Diffstat (limited to 'drivers/acpi/namespace/nsinit.c')
| -rw-r--r-- | drivers/acpi/namespace/nsinit.c | 257 |
1 files changed, 118 insertions, 139 deletions
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c index 362802ae29a2..0a08d2f04a06 100644 --- a/drivers/acpi/namespace/nsinit.c +++ b/drivers/acpi/namespace/nsinit.c @@ -41,31 +41,22 @@ * POSSIBILITY OF SUCH DAMAGES. */ - #include <acpi/acpi.h> #include <acpi/acnamesp.h> #include <acpi/acdispat.h> #include <acpi/acinterp.h> #define _COMPONENT ACPI_NAMESPACE - ACPI_MODULE_NAME ("nsinit") +ACPI_MODULE_NAME("nsinit") /* Local prototypes */ - static acpi_status -acpi_ns_init_one_object ( - acpi_handle obj_handle, - u32 level, - void *context, - void **return_value); +acpi_ns_init_one_object(acpi_handle obj_handle, + u32 level, void *context, void **return_value); static acpi_status -acpi_ns_init_one_device ( - acpi_handle obj_handle, - u32 nesting_level, - void *context, - void **return_value); - +acpi_ns_init_one_device(acpi_handle obj_handle, + u32 nesting_level, void *context, void **return_value); /******************************************************************************* * @@ -80,52 +71,48 @@ acpi_ns_init_one_device ( * ******************************************************************************/ -acpi_status -acpi_ns_initialize_objects ( - void) +acpi_status acpi_ns_initialize_objects(void) { - acpi_status status; - struct acpi_init_walk_info info; - + acpi_status status; + struct acpi_init_walk_info info; - ACPI_FUNCTION_TRACE ("ns_initialize_objects"); + ACPI_FUNCTION_TRACE("ns_initialize_objects"); - - 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:")); + 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:")); /* Set all init info to zero */ - ACPI_MEMSET (&info, 0, sizeof (struct acpi_init_walk_info)); + ACPI_MEMSET(&info, 0, sizeof(struct acpi_init_walk_info)); /* Walk entire namespace from the supplied root */ - status = acpi_walk_namespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, acpi_ns_init_one_object, - &info, NULL); - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "walk_namespace failed! %s\n", - acpi_format_exception (status))); + status = acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, acpi_ns_init_one_object, + &info, NULL); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed! %s\n", + acpi_format_exception(status))); } - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, - "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd 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)); + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + "\nInitialized %hd/%hd Regions %hd/%hd Fields %hd/%hd Buffers %hd/%hd Packages (%hd 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)); - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "%hd Control Methods found\n", info.method_count)); - ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, - "%hd Op Regions found\n", info.op_region_count)); + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + "%hd Control Methods found\n", info.method_count)); + ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, + "%hd Op Regions found\n", info.op_region_count)); - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_ns_initialize_devices @@ -142,16 +129,12 @@ acpi_ns_initialize_objects ( * ******************************************************************************/ -acpi_status -acpi_ns_initialize_devices ( - void) +acpi_status acpi_ns_initialize_devices(void) { - acpi_status status; - struct acpi_device_walk_info info; - - - ACPI_FUNCTION_TRACE ("ns_initialize_devices"); + acpi_status status; + struct acpi_device_walk_info info; + ACPI_FUNCTION_TRACE("ns_initialize_devices"); /* Init counters */ @@ -159,34 +142,34 @@ acpi_ns_initialize_devices ( info.num_STA = 0; info.num_INI = 0; - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, - "Executing all Device _STA and_INI methods:")); + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + "Executing all Device _STA and_INI methods:")); - status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Walk namespace for all objects */ - status = acpi_ns_walk_namespace (ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, TRUE, acpi_ns_init_one_device, &info, NULL); + status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, TRUE, + acpi_ns_init_one_device, &info, NULL); - (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "walk_namespace failed! %s\n", - acpi_format_exception (status))); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed! %s\n", + acpi_format_exception(status))); } - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, - "\n%hd Devices found containing: %hd _STA, %hd _INI methods\n", - info.device_count, info.num_STA, info.num_INI)); + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, + "\n%hd Devices found containing: %hd _STA, %hd _INI methods\n", + info.device_count, info.num_STA, info.num_INI)); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_ns_init_one_object @@ -208,28 +191,25 @@ acpi_ns_initialize_devices ( ******************************************************************************/ static acpi_status -acpi_ns_init_one_object ( - acpi_handle obj_handle, - u32 level, - void *context, - void **return_value) +acpi_ns_init_one_object(acpi_handle obj_handle, + u32 level, void *context, void **return_value) { - acpi_object_type type; - acpi_status status; - struct acpi_init_walk_info *info = (struct acpi_init_walk_info *) context; - struct acpi_namespace_node *node = (struct acpi_namespace_node *) obj_handle; - union acpi_operand_object *obj_desc; - - - ACPI_FUNCTION_NAME ("ns_init_one_object"); + acpi_object_type type; + acpi_status status; + struct acpi_init_walk_info *info = + (struct acpi_init_walk_info *)context; + struct acpi_namespace_node *node = + (struct acpi_namespace_node *)obj_handle; + union acpi_operand_object *obj_desc; + ACPI_FUNCTION_NAME("ns_init_one_object"); info->object_count++; /* And even then, we are only interested in a few object types */ - type = acpi_ns_get_type (obj_handle); - obj_desc = acpi_ns_get_attached_object (node); + type = acpi_ns_get_type(obj_handle); + obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { return (AE_OK); } @@ -269,8 +249,8 @@ acpi_ns_init_one_object ( /* * Must lock the interpreter before executing AML code */ - status = acpi_ex_enter_interpreter (); - if (ACPI_FAILURE (status)) { + status = acpi_ex_enter_interpreter(); + if (ACPI_FAILURE(status)) { return (status); } @@ -282,25 +262,25 @@ acpi_ns_init_one_object ( case ACPI_TYPE_REGION: info->op_region_init++; - status = acpi_ds_get_region_arguments (obj_desc); + 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); + status = acpi_ds_get_buffer_field_arguments(obj_desc); break; case ACPI_TYPE_BUFFER: info->buffer_init++; - status = acpi_ds_get_buffer_arguments (obj_desc); + status = acpi_ds_get_buffer_arguments(obj_desc); break; case ACPI_TYPE_PACKAGE: info->package_init++; - status = acpi_ds_get_package_arguments (obj_desc); + status = acpi_ds_get_package_arguments(obj_desc); break; default: @@ -308,12 +288,13 @@ acpi_ns_init_one_object ( break; } - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_ERROR, "\n")); - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not execute arguments for [%4.4s] (%s), %s\n", - acpi_ut_get_node_name (node), acpi_ut_get_type_name (type), - acpi_format_exception (status))); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_ERROR, "\n")); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Could not execute arguments for [%4.4s] (%s), %s\n", + acpi_ut_get_node_name(node), + acpi_ut_get_type_name(type), + acpi_format_exception(status))); } /* @@ -321,18 +302,17 @@ acpi_ns_init_one_object ( * pathname */ if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, ".")); } /* * We ignore errors from above, and always return OK, since we don't want * to abort the walk on any single error. */ - acpi_ex_exit_interpreter (); + acpi_ex_exit_interpreter(); return (AE_OK); } - /******************************************************************************* * * FUNCTION: acpi_ns_init_one_device @@ -348,41 +328,37 @@ acpi_ns_init_one_object ( ******************************************************************************/ static acpi_status -acpi_ns_init_one_device ( - acpi_handle obj_handle, - u32 nesting_level, - void *context, - void **return_value) +acpi_ns_init_one_device(acpi_handle obj_handle, + u32 nesting_level, void *context, void **return_value) { - struct acpi_device_walk_info *info = (struct acpi_device_walk_info *) context; - struct acpi_parameter_info pinfo; - u32 flags; - acpi_status status; - - - ACPI_FUNCTION_TRACE ("ns_init_one_device"); + struct acpi_device_walk_info *info = + (struct acpi_device_walk_info *)context; + struct acpi_parameter_info pinfo; + u32 flags; + acpi_status status; + ACPI_FUNCTION_TRACE("ns_init_one_device"); pinfo.parameters = NULL; pinfo.parameter_type = ACPI_PARAM_ARGS; - pinfo.node = acpi_ns_map_handle_to_node (obj_handle); + pinfo.node = acpi_ns_map_handle_to_node(obj_handle); if (!pinfo.node) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* * We will run _STA/_INI on Devices, Processors and thermal_zones only */ - if ((pinfo.node->type != ACPI_TYPE_DEVICE) && - (pinfo.node->type != ACPI_TYPE_PROCESSOR) && - (pinfo.node->type != ACPI_TYPE_THERMAL)) { - return_ACPI_STATUS (AE_OK); + if ((pinfo.node->type != ACPI_TYPE_DEVICE) && + (pinfo.node->type != ACPI_TYPE_PROCESSOR) && + (pinfo.node->type != ACPI_TYPE_THERMAL)) { + return_ACPI_STATUS(AE_OK); } if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) && - (!(acpi_dbg_level & ACPI_LV_INFO))) { - ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT, ".")); + (!(acpi_dbg_level & ACPI_LV_INFO))) { + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, ".")); } info->device_count++; @@ -390,20 +366,20 @@ acpi_ns_init_one_device ( /* * Run _STA to determine if we can run _INI on the device. */ - ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, - pinfo.node, METHOD_NAME__STA)); - status = acpi_ut_execute_STA (pinfo.node, &flags); + ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD, + pinfo.node, + METHOD_NAME__STA)); + status = acpi_ut_execute_STA(pinfo.node, &flags); - if (ACPI_FAILURE (status)) { + if (ACPI_FAILURE(status)) { if (pinfo.node->type == ACPI_TYPE_DEVICE) { /* Ignore error and move on to next device */ - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } /* _STA is not required for Processor or thermal_zone objects */ - } - else { + } else { info->num_STA++; if (!(flags & 0x01)) { @@ -416,32 +392,34 @@ acpi_ns_init_one_device ( /* * The device is present. Run _INI. */ - ACPI_DEBUG_EXEC (acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, - pinfo.node, METHOD_NAME__INI)); - status = acpi_ns_evaluate_relative (METHOD_NAME__INI, &pinfo); - if (ACPI_FAILURE (status)) { + ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname(ACPI_TYPE_METHOD, + pinfo.node, + METHOD_NAME__INI)); + status = acpi_ns_evaluate_relative(METHOD_NAME__INI, &pinfo); + if (ACPI_FAILURE(status)) { /* No _INI (AE_NOT_FOUND) means device requires no initialization */ if (status != AE_NOT_FOUND) { /* Ignore error and move on to next device */ #ifdef ACPI_DEBUG_OUTPUT - char *scope_name = acpi_ns_get_external_pathname (pinfo.node); + char *scope_name = + acpi_ns_get_external_pathname(pinfo.node); - ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "%s._INI failed: %s\n", - scope_name, acpi_format_exception (status))); + ACPI_DEBUG_PRINT((ACPI_DB_WARN, "%s._INI failed: %s\n", + scope_name, + acpi_format_exception(status))); - ACPI_MEM_FREE (scope_name); + ACPI_MEM_FREE(scope_name); #endif } status = AE_OK; - } - else { + } else { /* Delete any return object (especially if implicit_return is enabled) */ if (pinfo.return_object) { - acpi_ut_remove_reference (pinfo.return_object); + acpi_ut_remove_reference(pinfo.return_object); } /* Count of successful INIs */ @@ -452,8 +430,9 @@ acpi_ns_init_one_device ( if (acpi_gbl_init_handler) { /* External initialization handler is present, call it */ - status = acpi_gbl_init_handler (pinfo.node, ACPI_INIT_DEVICE_INI); + status = + acpi_gbl_init_handler(pinfo.node, ACPI_INIT_DEVICE_INI); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } |