106 	struct gpio_device *gdev;  in gpio_to_desc()  local
111 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpio_to_desc()
112 		if (gdev->base <= gpio &&  in gpio_to_desc()
113 		    gdev->base + gdev->ngpio > gpio) {  in gpio_to_desc()
115 			return &gdev->descs[gpio - gdev->base];  in gpio_to_desc()
141 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_get_desc()  local
143 	if (hwnum >= gdev->ngpio)  in gpiochip_get_desc()
146 	return &gdev->descs[hwnum];  in gpiochip_get_desc()
162 	return desc->gdev->base + (desc - &desc->gdev->descs[0]);  in desc_to_gpio()
173 	if (!desc || !desc->gdev)  in gpiod_to_chip()
175 	return desc->gdev->chip;  in gpiod_to_chip()
182 	struct gpio_device *gdev;  in gpiochip_find_base()  local
185 	list_for_each_entry_reverse(gdev, &gpio_devices, list) {  in gpiochip_find_base()
187 		if (gdev->base + gdev->ngpio <= base)  in gpiochip_find_base()
191 			base = gdev->base - ngpio;  in gpiochip_find_base()
252 static int gpiodev_add_to_list(struct gpio_device *gdev)  in gpiodev_add_to_list()  argument
258 		list_add_tail(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
263 	if (gdev->base + gdev->ngpio <= next->base) {  in gpiodev_add_to_list()
265 		list_add(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
270 	if (prev->base + prev->ngpio <= gdev->base) {  in gpiodev_add_to_list()
272 		list_add_tail(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
282 		if (prev->base + prev->ngpio <= gdev->base  in gpiodev_add_to_list()
283 				&& gdev->base + gdev->ngpio <= next->base) {  in gpiodev_add_to_list()
284 			list_add(&gdev->list, &prev->list);  in gpiodev_add_to_list()
289 	dev_err(&gdev->dev, "GPIO integer space overlap, cannot add chip\n");  in gpiodev_add_to_list()
301 	struct gpio_device *gdev;  in gpio_name_to_desc()  local
309 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpio_name_to_desc()
312 		for (i = 0; i != gdev->ngpio; ++i) {  in gpio_name_to_desc()
313 			struct gpio_desc *desc = &gdev->descs[i];  in gpio_name_to_desc()
340 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_set_desc_names()  local
349 			dev_warn(&gdev->dev,  in gpiochip_set_desc_names()
356 		gdev->descs[i].name = gc->names[i];  in gpiochip_set_desc_names()
372 	struct gpio_device *gdev = chip->gpiodev;  in devprop_gpiochip_set_names()  local
386 	if (count > gdev->ngpio) {  in devprop_gpiochip_set_names()
387 		dev_warn(&gdev->dev, "gpio-line-names is length %d but should be at most length %d",  in devprop_gpiochip_set_names()
388 			 count, gdev->ngpio);  in devprop_gpiochip_set_names()
389 		count = gdev->ngpio;  in devprop_gpiochip_set_names()
399 		dev_warn(&gdev->dev, "failed to read GPIO line names\n");  in devprop_gpiochip_set_names()
405 		gdev->descs[i].name = names[i];  in devprop_gpiochip_set_names()
474 	struct gpio_device *gdev = dev_get_drvdata(dev);  in gpiodevice_release()  local
476 	list_del(&gdev->list);  in gpiodevice_release()
477 	ida_free(&gpio_ida, gdev->id);  in gpiodevice_release()
478 	kfree_const(gdev->label);  in gpiodevice_release()
479 	kfree(gdev->descs);  in gpiodevice_release()
480 	kfree(gdev);  in gpiodevice_release()
484 #define gcdev_register(gdev, devt)	gpiolib_cdev_register((gdev), (devt))  argument
485 #define gcdev_unregister(gdev)		gpiolib_cdev_unregister((gdev))  argument
491 #define gcdev_register(gdev, devt)	device_add(&(gdev)->dev)  argument
492 #define gcdev_unregister(gdev)		device_del(&(gdev)->dev)  argument
495 static int gpiochip_setup_dev(struct gpio_device *gdev)  in gpiochip_setup_dev()  argument
499 	ret = gcdev_register(gdev, gpio_devt);  in gpiochip_setup_dev()
503 	ret = gpiochip_sysfs_register(gdev);  in gpiochip_setup_dev()
508 	gdev->dev.release = gpiodevice_release;  in gpiochip_setup_dev()
509 	dev_dbg(&gdev->dev, "registered GPIOs %d to %d on %s\n", gdev->base,  in gpiochip_setup_dev()
510 		gdev->base + gdev->ngpio - 1, gdev->chip->label ? : "generic");  in gpiochip_setup_dev()
515 	gcdev_unregister(gdev);  in gpiochip_setup_dev()
556 	struct gpio_device *gdev;  in gpiochip_setup_devs()  local
559 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpiochip_setup_devs()
560 		ret = gpiochip_setup_dev(gdev);  in gpiochip_setup_devs()
562 			dev_err(&gdev->dev,  in gpiochip_setup_devs()
575 	struct gpio_device *gdev;  in gpiochip_add_data_with_key()  local
581 	gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);  in gpiochip_add_data_with_key()
582 	if (!gdev)  in gpiochip_add_data_with_key()
584 	gdev->dev.bus = &gpio_bus_type;  in gpiochip_add_data_with_key()
585 	gdev->chip = gc;  in gpiochip_add_data_with_key()
586 	gc->gpiodev = gdev;  in gpiochip_add_data_with_key()
588 		gdev->dev.parent = gc->parent;  in gpiochip_add_data_with_key()
589 		gdev->dev.of_node = gc->parent->of_node;  in gpiochip_add_data_with_key()
595 		gdev->dev.of_node = gc->of_node;  in gpiochip_add_data_with_key()
597 		gc->of_node = gdev->dev.of_node;  in gpiochip_add_data_with_key()
600 	gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);  in gpiochip_add_data_with_key()
601 	if (gdev->id < 0) {  in gpiochip_add_data_with_key()
602 		ret = gdev->id;  in gpiochip_add_data_with_key()
605 	dev_set_name(&gdev->dev, GPIOCHIP_NAME "%d", gdev->id);  in gpiochip_add_data_with_key()
606 	device_initialize(&gdev->dev);  in gpiochip_add_data_with_key()
607 	dev_set_drvdata(&gdev->dev, gdev);  in gpiochip_add_data_with_key()
609 		gdev->owner = gc->parent->driver->owner;  in gpiochip_add_data_with_key()
612 		gdev->owner = gc->owner;  in gpiochip_add_data_with_key()
614 		gdev->owner = THIS_MODULE;  in gpiochip_add_data_with_key()
616 	gdev->descs = kcalloc(gc->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL);  in gpiochip_add_data_with_key()
617 	if (!gdev->descs) {  in gpiochip_add_data_with_key()
632 	gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL);  in gpiochip_add_data_with_key()
633 	if (!gdev->label) {  in gpiochip_add_data_with_key()
638 	gdev->ngpio = gc->ngpio;  in gpiochip_add_data_with_key()
639 	gdev->data = data;  in gpiochip_add_data_with_key()
665 	gdev->base = base;  in gpiochip_add_data_with_key()
667 	ret = gpiodev_add_to_list(gdev);  in gpiochip_add_data_with_key()
674 		gdev->descs[i].gdev = gdev;  in gpiochip_add_data_with_key()
678 	BLOCKING_INIT_NOTIFIER_HEAD(&gdev->notifier);  in gpiochip_add_data_with_key()
681 	INIT_LIST_HEAD(&gdev->pin_ranges);  in gpiochip_add_data_with_key()
704 		struct gpio_desc *desc = &gdev->descs[i];  in gpiochip_add_data_with_key()
744 		ret = gpiochip_setup_dev(gdev);  in gpiochip_add_data_with_key()
764 	list_del(&gdev->list);  in gpiochip_add_data_with_key()
767 	kfree_const(gdev->label);  in gpiochip_add_data_with_key()
769 	kfree(gdev->descs);  in gpiochip_add_data_with_key()
771 	ida_free(&gpio_ida, gdev->id);  in gpiochip_add_data_with_key()
775 	       gdev->base, gdev->base + gdev->ngpio - 1,  in gpiochip_add_data_with_key()
777 	kfree(gdev);  in gpiochip_add_data_with_key()
803 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_remove()  local
808 	gpiochip_sysfs_unregister(gdev);  in gpiochip_remove()
811 	gdev->chip = NULL;  in gpiochip_remove()
821 	gdev->data = NULL;  in gpiochip_remove()
824 	for (i = 0; i < gdev->ngpio; i++) {  in gpiochip_remove()
830 	if (i != gdev->ngpio)  in gpiochip_remove()
831 		dev_crit(&gdev->dev,  in gpiochip_remove()
840 	gcdev_unregister(gdev);  in gpiochip_remove()
841 	put_device(&gdev->dev);  in gpiochip_remove()
860 	struct gpio_device *gdev;  in gpiochip_find()  local
865 	list_for_each_entry(gdev, &gpio_devices, list)  in gpiochip_find()
866 		if (gdev->chip && match(gdev->chip, data)) {  in gpiochip_find()
867 			gc = gdev->chip;  in gpiochip_find()
1850 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_add_pingroup_range()  local
1863 	pin_range->range.base = gdev->base + gpio_offset;  in gpiochip_add_pingroup_range()
1880 	list_add_tail(&pin_range->node, &gdev->pin_ranges);  in gpiochip_add_pingroup_range()
1908 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_add_pin_range()  local
1921 	pin_range->range.base = gdev->base + gpio_offset;  in gpiochip_add_pin_range()
1937 	list_add_tail(&pin_range->node, &gdev->pin_ranges);  in gpiochip_add_pin_range()
1950 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_remove_pin_ranges()  local
1952 	list_for_each_entry_safe(pin_range, tmp, &gdev->pin_ranges, node) {  in gpiochip_remove_pin_ranges()
1969 	struct gpio_chip	*gc = desc->gdev->chip;  in gpiod_request_commit()
2037 	if (!desc->gdev) {  in validate_desc()
2041 	if (!desc->gdev->chip) {  in validate_desc()
2042 		dev_warn(&desc->gdev->dev,  in validate_desc()
2064 	struct gpio_device *gdev;  in gpiod_request()  local
2067 	gdev = desc->gdev;  in gpiod_request()
2069 	if (try_module_get(gdev->owner)) {  in gpiod_request()
2072 			module_put(gdev->owner);  in gpiod_request()
2074 			get_device(&gdev->dev);  in gpiod_request()
2095 	gc = desc->gdev->chip;  in gpiod_free_commit()
2125 	blocking_notifier_call_chain(&desc->gdev->notifier,  in gpiod_free_commit()
2133 	if (desc && desc->gdev && gpiod_free_commit(desc)) {  in gpiod_free()
2134 		module_put(desc->gdev->owner);  in gpiod_free()
2135 		put_device(&desc->gdev->dev);  in gpiod_free()
2256 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_config()
2309 	gc = desc->gdev->chip;  in gpiod_direction_input()
2351 	struct gpio_chip *gc = desc->gdev->chip;  in gpiod_direction_output_raw_commit()
2498 	gc = desc->gdev->chip;  in gpiod_set_config()
2545 	gc = desc->gdev->chip;  in gpiod_set_transitory()
2554 		dev_dbg(&desc->gdev->dev, "Persistence not supported for GPIO %d\n",  in gpiod_set_transitory()
2615 	gc = desc->gdev->chip;  in gpiod_get_raw_value_commit()
2679 		struct gpio_chip *gc = desc_array[i]->gdev->chip;  in gpiod_get_array_value_complex()
2713 			 (desc_array[i]->gdev->chip == gc));  in gpiod_get_array_value_complex()
2758 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_get_raw_value()
2779 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_get_value()
2853 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_open_drain_value_commit()
2878 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_open_source_value_commit()
2899 	gc = desc->gdev->chip;  in gpiod_set_raw_value_commit()
2962 		struct gpio_chip *gc = desc_array[i]->gdev->chip;  in gpiod_set_array_value_complex()
3017 			 (desc_array[i]->gdev->chip == gc));  in gpiod_set_array_value_complex()
3043 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_set_raw_value()
3084 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_set_value()
3148 	return desc->gdev->chip->can_sleep;  in gpiod_cansleep()
3190 	if (!desc || IS_ERR(desc) || !desc->gdev || !desc->gdev->chip)  in gpiod_to_irq()
3193 	gc = desc->gdev->chip;  in gpiod_to_irq()
4003 	blocking_notifier_call_chain(&desc->gdev->notifier,  in gpiod_get_index()
4071 	blocking_notifier_call_chain(&desc->gdev->notifier,  in fwnode_get_named_gpiod()
4369 static void gpiolib_dbg_show(struct seq_file *s, struct gpio_device *gdev)  in gpiolib_dbg_show()  argument
4372 	struct gpio_chip	*gc = gdev->chip;  in gpiolib_dbg_show()
4373 	unsigned		gpio = gdev->base;  in gpiolib_dbg_show()
4374 	struct gpio_desc	*gdesc = &gdev->descs[0];  in gpiolib_dbg_show()
4379 	for (i = 0; i < gdev->ngpio; i++, gpio++, gdesc++) {  in gpiolib_dbg_show()
4405 	struct gpio_device *gdev = NULL;  in gpiolib_seq_start()  local
4411 	list_for_each_entry(gdev, &gpio_devices, list)  in gpiolib_seq_start()
4414 			return gdev;  in gpiolib_seq_start()
4424 	struct gpio_device *gdev = v;  in gpiolib_seq_next()  local
4428 	if (list_is_last(&gdev->list, &gpio_devices))  in gpiolib_seq_next()
4431 		ret = list_entry(gdev->list.next, struct gpio_device, list);  in gpiolib_seq_next()
4446 	struct gpio_device *gdev = v;  in gpiolib_seq_show()  local
4447 	struct gpio_chip *gc = gdev->chip;  in gpiolib_seq_show()
4452 			   dev_name(&gdev->dev));  in gpiolib_seq_show()
4457 		   dev_name(&gdev->dev),  in gpiolib_seq_show()
4458 		   gdev->base, gdev->base + gdev->ngpio - 1);  in gpiolib_seq_show()
4473 		gpiolib_dbg_show(s, gdev);  in gpiolib_seq_show()