482 static void coresight_disable_path_from(struct list_head *path,  in coresight_disable_path_from()  argument
489 		nd = list_first_entry(path, struct coresight_node, link);  in coresight_disable_path_from()
491 	list_for_each_entry_continue(nd, path, link) {  in coresight_disable_path_from()
502 			type = (csdev == coresight_get_sink(path)) ?  in coresight_disable_path_from()
529 void coresight_disable_path(struct list_head *path)  in coresight_disable_path()  argument
531 	coresight_disable_path_from(path, NULL);  in coresight_disable_path()
535 int coresight_enable_path(struct list_head *path, u32 mode, void *sink_data)  in coresight_enable_path()  argument
543 	list_for_each_entry_reverse(nd, path, link) {  in coresight_enable_path()
554 			type = (csdev == coresight_get_sink(path)) ?  in coresight_enable_path()
588 	coresight_disable_path_from(path, nd);  in coresight_enable_path()
592 struct coresight_device *coresight_get_sink(struct list_head *path)  in coresight_get_sink()  argument
596 	if (!path)  in coresight_get_sink()
599 	csdev = list_last_entry(path, struct coresight_node, link)->csdev;  in coresight_get_sink()
784 				 struct list_head *path)  in _coresight_build_path()  argument
796 		if (_coresight_build_path(sink, sink, path) == 0) {  in _coresight_build_path()
808 		    _coresight_build_path(child_dev, sink, path) == 0) {  in _coresight_build_path()
833 	list_add(&node->link, path);  in _coresight_build_path()
841 	struct list_head *path;  in coresight_build_path()  local
847 	path = kzalloc(sizeof(struct list_head), GFP_KERNEL);  in coresight_build_path()
848 	if (!path)  in coresight_build_path()
851 	INIT_LIST_HEAD(path);  in coresight_build_path()
853 	rc = _coresight_build_path(source, sink, path);  in coresight_build_path()
855 		kfree(path);  in coresight_build_path()
859 	return path;  in coresight_build_path()
869 void coresight_release_path(struct list_head *path)  in coresight_release_path()  argument
874 	list_for_each_entry_safe(nd, next, path, link) {  in coresight_release_path()
882 	kfree(path);  in coresight_release_path()
883 	path = NULL;  in coresight_release_path()
1087 	struct list_head *path;  in coresight_enable()  local
1115 	path = coresight_build_path(csdev, sink);  in coresight_enable()
1116 	if (IS_ERR(path)) {  in coresight_enable()
1118 		ret = PTR_ERR(path);  in coresight_enable()
1122 	ret = coresight_enable_path(path, CS_MODE_SYSFS, NULL);  in coresight_enable()
1140 		per_cpu(tracer_path, cpu) = path;  in coresight_enable()
1143 		stm_path = path;  in coresight_enable()
1155 	coresight_disable_path(path);  in coresight_enable()
1158 	coresight_release_path(path);  in coresight_enable()
1166 	struct list_head *path = NULL;  in coresight_disable()  local
1180 		path = per_cpu(tracer_path, cpu);  in coresight_disable()
1184 		path = stm_path;  in coresight_disable()
1192 	coresight_disable_path(path);  in coresight_disable()
1193 	coresight_release_path(path);  in coresight_disable()