update from upstream

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);
 }