64 	/* Line index within the aggregator device */
67 	/* Custom name for the virtual line */
69 	/* GPIO chip label or line name */
71 	/* Can be negative to indicate lookup by line name */
160 	struct gpio_aggregator_line *line;  in gpio_aggregator_line_alloc()  local
162 	line = kzalloc(sizeof(*line), GFP_KERNEL);  in gpio_aggregator_line_alloc()
163 	if (!line)  in gpio_aggregator_line_alloc()
167 		line->key = kstrdup(key, GFP_KERNEL);  in gpio_aggregator_line_alloc()
168 		if (!line->key) {  in gpio_aggregator_line_alloc()
169 			kfree(line);  in gpio_aggregator_line_alloc()
174 	line->flags = GPIO_LOOKUP_FLAGS_DEFAULT;  in gpio_aggregator_line_alloc()
175 	line->parent = parent;  in gpio_aggregator_line_alloc()
176 	line->idx = idx;  in gpio_aggregator_line_alloc()
177 	line->offset = offset;  in gpio_aggregator_line_alloc()
178 	INIT_LIST_HEAD(&line->entry);  in gpio_aggregator_line_alloc()
180 	return line;  in gpio_aggregator_line_alloc()
184 				     struct gpio_aggregator_line *line)  in gpio_aggregator_line_add()  argument
191 		if (tmp->idx > line->idx) {  in gpio_aggregator_line_add()
192 			list_add_tail(&line->entry, &tmp->entry);  in gpio_aggregator_line_add()
196 	list_add_tail(&line->entry, &aggr->list_head);  in gpio_aggregator_line_add()
200 				     struct gpio_aggregator_line *line)  in gpio_aggregator_line_del()  argument
204 	list_del(&line->entry);  in gpio_aggregator_line_del()
209 	struct gpio_aggregator_line *line, *tmp;  in gpio_aggregator_free_lines()  local
211 	list_for_each_entry_safe(line, tmp, &aggr->list_head, entry) {  in gpio_aggregator_free_lines()
212 		configfs_unregister_group(&line->group);  in gpio_aggregator_free_lines()
224 			gpio_aggregator_line_del(aggr, line);  in gpio_aggregator_free_lines()
225 		kfree(line->key);  in gpio_aggregator_free_lines()
226 		kfree(line->name);  in gpio_aggregator_free_lines()
227 		kfree(line);  in gpio_aggregator_free_lines()
272 	 * -ENODEV if there is no GPIO desc for the line.  in gpio_fwd_get_direction()
458 	u32 line;  in gpiochip_fwd_delay_of_xlate()  local
463 	line = gpiospec->args[0];  in gpiochip_fwd_delay_of_xlate()
464 	if (line >= chip->ngpio)  in gpiochip_fwd_delay_of_xlate()
467 	timings = &fwd->delay_timings[line];  in gpiochip_fwd_delay_of_xlate()
471 	return line;  in gpiochip_fwd_delay_of_xlate()
521  * gpiochip_fwd_gpio_request - Request a line of the GPIO forwarder
523  * @offset: the offset of the line to request
536  * gpiochip_fwd_gpio_get_direction - Return the current direction of a GPIO forwarder line
538  * @offset: the offset of the line
551  * gpiochip_fwd_gpio_direction_output - Set a GPIO forwarder line direction to
554  * @offset: the offset of the line
569  * gpiochip_fwd_gpio_direction_input - Set a GPIO forwarder line direction to input
571  * @offset: the offset of the line
584  * gpiochip_fwd_gpio_get - Return a GPIO forwarder line's value
586  * @offset: the offset of the line
602  * @mask: bit mask array; one bit per line; BITS_PER_LONG bits per word defines
604  * @bits: bit value array; one bit per line; BITS_PER_LONG bits per word will
619  * gpiochip_fwd_gpio_set - Assign value to a GPIO forwarder line.
621  * @offset: the offset of the line
654  * gpiochip_fwd_gpio_set_config - Set @config for a GPIO forwarder line
656  * @offset: the offset of the line
672  * gpiochip_fwd_gpio_to_irq - Return the IRQ corresponding to a GPIO forwarder line
674  * @offset: the offset of the line
676  * Returns: The Linux IRQ corresponding to the passed line, or an error code in
882 	struct gpio_aggregator_line *line;  in gpio_aggregator_make_device_sw_node()  local
898 	list_for_each_entry(line, &aggr->list_head, entry)  in gpio_aggregator_make_device_sw_node()
899 		line_names[n++] = line->name ?: "";  in gpio_aggregator_make_device_sw_node()
902 					"gpio-line-names",  in gpio_aggregator_make_device_sw_node()
911 	struct gpio_aggregator_line *line;  in gpio_aggregator_activate()  local
936 	list_for_each_entry(line, &aggr->list_head, entry) {  in gpio_aggregator_activate()
938 		 * - Either GPIO chip label or line name must be configured  in gpio_aggregator_activate()
939 		 *   (i.e. line->key must be non-NULL)  in gpio_aggregator_activate()
940 		 * - Line directories must be named with sequential numeric  in gpio_aggregator_activate()
943 		if (!line->key || line->idx != n) {  in gpio_aggregator_activate()
948 		if (line->offset < 0)  in gpio_aggregator_activate()
949 			ret = gpio_aggregator_add_gpio(aggr, line->key,  in gpio_aggregator_activate()
952 			ret = gpio_aggregator_add_gpio(aggr, line->key,  in gpio_aggregator_activate()
953 						       line->offset, &n);  in gpio_aggregator_activate()
995 	struct gpio_aggregator_line *line;  in gpio_aggregator_lockup_configfs()  local
1002 	list_for_each_entry(line, &aggr->list_head, entry) {  in gpio_aggregator_lockup_configfs()
1005 					subsys, &line->group.cg_item);  in gpio_aggregator_lockup_configfs()
1008 					&line->group.cg_item);  in gpio_aggregator_lockup_configfs()
1015 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_key_show()  local
1016 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_key_show()
1020 	return sysfs_emit(page, "%s\n", line->key ?: "");  in gpio_aggregator_line_key_show()
1027 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_key_store()  local
1028 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_key_store()
1043 	kfree(line->key);  in gpio_aggregator_line_key_store()
1044 	line->key = no_free_ptr(key);  in gpio_aggregator_line_key_store()
1053 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_name_show()  local
1054 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_name_show()
1058 	return sysfs_emit(page, "%s\n", line->name ?: "");  in gpio_aggregator_line_name_show()
1065 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_name_store()  local
1066 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_name_store()
1081 	kfree(line->name);  in gpio_aggregator_line_name_store()
1082 	line->name = no_free_ptr(name);  in gpio_aggregator_line_name_store()
1091 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_offset_show()  local
1092 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_offset_show()
1096 	return sysfs_emit(page, "%d\n", line->offset);  in gpio_aggregator_line_offset_show()
1103 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_offset_store()  local
1104 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_offset_store()
1112 	 * When offset == -1, 'key' represents a line name to lookup.  in gpio_aggregator_line_offset_store()
1114 	 * the 'offset' value representing the line within that chip.  in gpio_aggregator_line_offset_store()
1116 	 * GPIOLIB uses the U16_MAX value to indicate lookup by line name so  in gpio_aggregator_line_offset_store()
1128 	line->offset = offset;  in gpio_aggregator_line_offset_store()
1218 	struct gpio_aggregator_line *line = to_gpio_aggregator_line(item);  in gpio_aggregator_line_release()  local
1219 	struct gpio_aggregator *aggr = line->parent;  in gpio_aggregator_line_release()
1223 	gpio_aggregator_line_del(aggr, line);  in gpio_aggregator_line_release()
1224 	kfree(line->key);  in gpio_aggregator_line_release()
1225 	kfree(line->name);  in gpio_aggregator_line_release()
1226 	kfree(line);  in gpio_aggregator_line_release()
1258 	struct gpio_aggregator_line *line;  in gpio_aggregator_device_make_group()  local
1262 	ret = sscanf(name, "line%u%n", &idx, &nchar);  in gpio_aggregator_device_make_group()
1280 	list_for_each_entry(line, &aggr->list_head, entry)  in gpio_aggregator_device_make_group()
1281 		if (line->idx == idx)  in gpio_aggregator_device_make_group()
1284 	line = gpio_aggregator_line_alloc(aggr, idx, NULL, -1);  in gpio_aggregator_device_make_group()
1285 	if (IS_ERR(line))  in gpio_aggregator_device_make_group()
1286 		return ERR_CAST(line);  in gpio_aggregator_device_make_group()
1288 	config_group_init_type_name(&line->group, name, &gpio_aggregator_line_type);  in gpio_aggregator_device_make_group()
1290 	gpio_aggregator_line_add(aggr, line);  in gpio_aggregator_device_make_group()
1292 	return &line->group;  in gpio_aggregator_device_make_group()
1355 	struct gpio_aggregator_line *line;  in gpio_aggregator_parse()  local
1372 			/* Named GPIO line */  in gpio_aggregator_parse()
1373 			scnprintf(name, sizeof(name), "line%u", n);  in gpio_aggregator_parse()
1374 			line = gpio_aggregator_line_alloc(aggr, n, key, -1);  in gpio_aggregator_parse()
1375 			if (IS_ERR(line)) {  in gpio_aggregator_parse()
1376 				error = PTR_ERR(line);  in gpio_aggregator_parse()
1379 			config_group_init_type_name(&line->group, name,  in gpio_aggregator_parse()
1382 							&line->group);  in gpio_aggregator_parse()
1386 				gpio_aggregator_line_add(aggr, line);  in gpio_aggregator_parse()
1404 			scnprintf(name, sizeof(name), "line%u", n);  in gpio_aggregator_parse()
1405 			line = gpio_aggregator_line_alloc(aggr, n, key, i);  in gpio_aggregator_parse()
1406 			if (IS_ERR(line)) {  in gpio_aggregator_parse()
1407 				error = PTR_ERR(line);  in gpio_aggregator_parse()
1410 			config_group_init_type_name(&line->group, name,  in gpio_aggregator_parse()
1413 							&line->group);  in gpio_aggregator_parse()
1417 				gpio_aggregator_line_add(aggr, line);  in gpio_aggregator_parse()