diff options
Diffstat (limited to 'drivers/acpi/namespace/nsinit.c')
| -rw-r--r-- | drivers/acpi/namespace/nsinit.c | 57 |
1 files changed, 36 insertions, 21 deletions
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c index bf1d8dbc0b86..1c9ca6e05314 100644 --- a/drivers/acpi/namespace/nsinit.c +++ b/drivers/acpi/namespace/nsinit.c @@ -154,7 +154,16 @@ acpi_status acpi_ns_initialize_devices(void) ACPI_UINT32_MAX, FALSE, acpi_ns_find_ini_methods, &info, NULL); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); + goto error_exit; + } + + /* Allocate the evaluation information block */ + + info.evaluate_info = + ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_evaluate_info)); + if (!info.evaluate_info) { + status = AE_NO_MEMORY; + goto error_exit; } /* Walk namespace to execute all _INIs on present devices */ @@ -162,8 +171,10 @@ acpi_status acpi_ns_initialize_devices(void) status = acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, FALSE, acpi_ns_init_one_device, &info, NULL); + + ACPI_FREE(info.evaluate_info); if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace")); + goto error_exit; } ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, @@ -171,6 +182,10 @@ acpi_status acpi_ns_initialize_devices(void) info.num_INI, info.num_STA, info.device_count)); return_ACPI_STATUS(status); + + error_exit: + ACPI_EXCEPTION((AE_INFO, status, "During device initialization")); + return_ACPI_STATUS(status); } /******************************************************************************* @@ -398,9 +413,9 @@ static acpi_status 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 *walk_info = ACPI_CAST_PTR(struct acpi_device_walk_info, context); - struct acpi_parameter_info pinfo; + struct acpi_evaluate_info *info = walk_info->evaluate_info; u32 flags; acpi_status status; struct acpi_namespace_node *device_node; @@ -460,7 +475,7 @@ acpi_ns_init_one_device(acpi_handle obj_handle, * other words, the device is present, ..., and functioning)" */ if (flags != ACPI_UINT32_MAX) { - info->num_STA++; + walk_info->num_STA++; } /* @@ -516,20 +531,16 @@ acpi_ns_init_one_device(acpi_handle obj_handle, ACPI_DEBUG_EXEC(acpi_ut_display_init_pathname (ACPI_TYPE_METHOD, device_node, METHOD_NAME__INI)); - pinfo.node = device_node; - pinfo.parameters = NULL; - pinfo.parameter_type = ACPI_PARAM_ARGS; + info->prefix_node = device_node; + info->pathname = METHOD_NAME__INI; + info->parameters = NULL; + info->parameter_type = ACPI_PARAM_ARGS; + info->flags = ACPI_IGNORE_RETURN_VALUE; - status = acpi_ns_evaluate_relative(METHOD_NAME__INI, &pinfo); + status = acpi_ns_evaluate(info); if (ACPI_SUCCESS(status)) { + walk_info->num_INI++; - /* Delete any return object (especially if implicit_return is enabled) */ - - if (pinfo.return_object) { - acpi_ut_remove_reference(pinfo.return_object); - } - - info->num_INI++; if ((acpi_dbg_level <= ACPI_LV_ALL_EXCEPTIONS) && (!(acpi_dbg_level & ACPI_LV_INFO))) { ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, ".")); @@ -540,20 +551,24 @@ acpi_ns_init_one_device(acpi_handle obj_handle, /* Ignore error and move on to next device */ - char *scope_name = acpi_ns_get_external_pathname(pinfo.node); + char *scope_name = + acpi_ns_get_external_pathname(info->resolved_node); ACPI_EXCEPTION((AE_INFO, status, "during %s._INI execution", scope_name)); ACPI_FREE(scope_name); + status = AE_OK; } #endif - /* If an external initialization handler is present, call it */ - + /* + * The _INI method has been run if present; call the Global Initialization + * Handler for this device. + */ if (acpi_gbl_init_handler) { status = - acpi_gbl_init_handler(pinfo.node, ACPI_INIT_DEVICE_INI); + acpi_gbl_init_handler(device_node, ACPI_INIT_DEVICE_INI); } - return_ACPI_STATUS(AE_OK); + return_ACPI_STATUS(status); } |