109 	struct gpio_device *gdev;  in gpio_to_desc()  local
114 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpio_to_desc()
115 		if (gdev->base <= gpio &&  in gpio_to_desc()
116 		    gdev->base + gdev->ngpio > gpio) {  in gpio_to_desc()
118 			return &gdev->descs[gpio - gdev->base];  in gpio_to_desc()
144 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_get_desc()  local
146 	if (hwnum >= gdev->ngpio)  in gpiochip_get_desc()
149 	return &gdev->descs[hwnum];  in gpiochip_get_desc()
165 	return desc->gdev->base + (desc - &desc->gdev->descs[0]);  in desc_to_gpio()
176 	if (!desc || !desc->gdev)  in gpiod_to_chip()
178 	return desc->gdev->chip;  in gpiod_to_chip()
185 	struct gpio_device *gdev;  in gpiochip_find_base()  local
188 	list_for_each_entry_reverse(gdev, &gpio_devices, list) {  in gpiochip_find_base()
190 		if (gdev->base + gdev->ngpio <= base)  in gpiochip_find_base()
194 			base = gdev->base - ngpio;  in gpiochip_find_base()
255 static int gpiodev_add_to_list(struct gpio_device *gdev)  in gpiodev_add_to_list()  argument
261 		list_add_tail(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
266 	if (gdev->base + gdev->ngpio <= next->base) {  in gpiodev_add_to_list()
268 		list_add(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
273 	if (prev->base + prev->ngpio <= gdev->base) {  in gpiodev_add_to_list()
275 		list_add_tail(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
285 		if (prev->base + prev->ngpio <= gdev->base  in gpiodev_add_to_list()
286 				&& gdev->base + gdev->ngpio <= next->base) {  in gpiodev_add_to_list()
287 			list_add(&gdev->list, &prev->list);  in gpiodev_add_to_list()
292 	dev_err(&gdev->dev, "GPIO integer space overlap, cannot add chip\n");  in gpiodev_add_to_list()
304 	struct gpio_device *gdev;  in gpio_name_to_desc()  local
312 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpio_name_to_desc()
315 		for (i = 0; i != gdev->ngpio; ++i) {  in gpio_name_to_desc()
316 			struct gpio_desc *desc = &gdev->descs[i];  in gpio_name_to_desc()
343 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_set_desc_names()  local
352 			dev_warn(&gdev->dev,  in gpiochip_set_desc_names()
359 		gdev->descs[i].name = gc->names[i];  in gpiochip_set_desc_names()
375 	struct gpio_device *gdev = chip->gpiodev;  in devprop_gpiochip_set_names()  local
376 	struct fwnode_handle *fwnode = dev_fwnode(&gdev->dev);  in devprop_gpiochip_set_names()
394 …dev_warn(&gdev->dev, "gpio-line-names too short (length %d), cannot map names for the gpiochip at …  in devprop_gpiochip_set_names()
406 		dev_warn(&gdev->dev, "failed to read GPIO line names\n");  in devprop_gpiochip_set_names()
426 		gdev->descs[i].name = names[chip->offset + i];  in devprop_gpiochip_set_names()
495 	struct gpio_device *gdev = container_of(dev, struct gpio_device, dev);  in gpiodevice_release()  local
499 	list_del(&gdev->list);  in gpiodevice_release()
502 	ida_free(&gpio_ida, gdev->id);  in gpiodevice_release()
503 	kfree_const(gdev->label);  in gpiodevice_release()
504 	kfree(gdev->descs);  in gpiodevice_release()
505 	kfree(gdev);  in gpiodevice_release()
509 #define gcdev_register(gdev, devt)	gpiolib_cdev_register((gdev), (devt))  argument
510 #define gcdev_unregister(gdev)		gpiolib_cdev_unregister((gdev))  argument
516 #define gcdev_register(gdev, devt)	device_add(&(gdev)->dev)  argument
517 #define gcdev_unregister(gdev)		device_del(&(gdev)->dev)  argument
520 static int gpiochip_setup_dev(struct gpio_device *gdev)  in gpiochip_setup_dev()  argument
524 	ret = gcdev_register(gdev, gpio_devt);  in gpiochip_setup_dev()
528 	ret = gpiochip_sysfs_register(gdev);  in gpiochip_setup_dev()
533 	gdev->dev.release = gpiodevice_release;  in gpiochip_setup_dev()
534 	dev_dbg(&gdev->dev, "registered GPIOs %d to %d on %s\n", gdev->base,  in gpiochip_setup_dev()
535 		gdev->base + gdev->ngpio - 1, gdev->chip->label ? : "generic");  in gpiochip_setup_dev()
540 	gcdev_unregister(gdev);  in gpiochip_setup_dev()
581 	struct gpio_device *gdev;  in gpiochip_setup_devs()  local
584 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpiochip_setup_devs()
585 		ret = gpiochip_setup_dev(gdev);  in gpiochip_setup_devs()
587 			dev_err(&gdev->dev,  in gpiochip_setup_devs()
601 	struct gpio_device *gdev;  in gpiochip_add_data_with_key()  local
607 	gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);  in gpiochip_add_data_with_key()
608 	if (!gdev)  in gpiochip_add_data_with_key()
610 	gdev->dev.bus = &gpio_bus_type;  in gpiochip_add_data_with_key()
611 	gdev->dev.parent = gc->parent;  in gpiochip_add_data_with_key()
612 	gdev->chip = gc;  in gpiochip_add_data_with_key()
613 	gc->gpiodev = gdev;  in gpiochip_add_data_with_key()
615 	of_gpio_dev_init(gc, gdev);  in gpiochip_add_data_with_key()
616 	acpi_gpio_dev_init(gc, gdev);  in gpiochip_add_data_with_key()
622 	gdev->dev.fwnode = dev_fwnode(&gdev->dev) ?: fwnode;  in gpiochip_add_data_with_key()
624 	gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);  in gpiochip_add_data_with_key()
625 	if (gdev->id < 0) {  in gpiochip_add_data_with_key()
626 		ret = gdev->id;  in gpiochip_add_data_with_key()
630 	ret = dev_set_name(&gdev->dev, GPIOCHIP_NAME "%d", gdev->id);  in gpiochip_add_data_with_key()
634 	device_initialize(&gdev->dev);  in gpiochip_add_data_with_key()
636 		gdev->owner = gc->parent->driver->owner;  in gpiochip_add_data_with_key()
639 		gdev->owner = gc->owner;  in gpiochip_add_data_with_key()
641 		gdev->owner = THIS_MODULE;  in gpiochip_add_data_with_key()
643 	gdev->descs = kcalloc(gc->ngpio, sizeof(gdev->descs[0]), GFP_KERNEL);  in gpiochip_add_data_with_key()
644 	if (!gdev->descs) {  in gpiochip_add_data_with_key()
659 	gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL);  in gpiochip_add_data_with_key()
660 	if (!gdev->label) {  in gpiochip_add_data_with_key()
665 	gdev->ngpio = gc->ngpio;  in gpiochip_add_data_with_key()
666 	gdev->data = data;  in gpiochip_add_data_with_key()
692 	gdev->base = base;  in gpiochip_add_data_with_key()
694 	ret = gpiodev_add_to_list(gdev);  in gpiochip_add_data_with_key()
701 		gdev->descs[i].gdev = gdev;  in gpiochip_add_data_with_key()
705 	BLOCKING_INIT_NOTIFIER_HEAD(&gdev->notifier);  in gpiochip_add_data_with_key()
708 	INIT_LIST_HEAD(&gdev->pin_ranges);  in gpiochip_add_data_with_key()
731 		struct gpio_desc *desc = &gdev->descs[i];  in gpiochip_add_data_with_key()
771 		ret = gpiochip_setup_dev(gdev);  in gpiochip_add_data_with_key()
791 	list_del(&gdev->list);  in gpiochip_add_data_with_key()
794 	kfree_const(gdev->label);  in gpiochip_add_data_with_key()
796 	kfree(gdev->descs);  in gpiochip_add_data_with_key()
798 	kfree(dev_name(&gdev->dev));  in gpiochip_add_data_with_key()
800 	ida_free(&gpio_ida, gdev->id);  in gpiochip_add_data_with_key()
805 		       gdev->base, gdev->base + gdev->ngpio - 1,  in gpiochip_add_data_with_key()
808 	kfree(gdev);  in gpiochip_add_data_with_key()
834 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_remove()  local
839 	gpiochip_sysfs_unregister(gdev);  in gpiochip_remove()
842 	gdev->chip = NULL;  in gpiochip_remove()
852 	gdev->data = NULL;  in gpiochip_remove()
855 	for (i = 0; i < gdev->ngpio; i++) {  in gpiochip_remove()
861 	if (i != gdev->ngpio)  in gpiochip_remove()
862 		dev_crit(&gdev->dev,  in gpiochip_remove()
871 	gcdev_unregister(gdev);  in gpiochip_remove()
872 	put_device(&gdev->dev);  in gpiochip_remove()
891 	struct gpio_device *gdev;  in gpiochip_find()  local
896 	list_for_each_entry(gdev, &gpio_devices, list)  in gpiochip_find()
897 		if (gdev->chip && match(gdev->chip, data)) {  in gpiochip_find()
898 			gc = gdev->chip;  in gpiochip_find()
1720 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_add_pingroup_range()  local
1733 	pin_range->range.base = gdev->base + gpio_offset;  in gpiochip_add_pingroup_range()
1750 	list_add_tail(&pin_range->node, &gdev->pin_ranges);  in gpiochip_add_pingroup_range()
1778 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_add_pin_range()  local
1791 	pin_range->range.base = gdev->base + gpio_offset;  in gpiochip_add_pin_range()
1807 	list_add_tail(&pin_range->node, &gdev->pin_ranges);  in gpiochip_add_pin_range()
1820 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_remove_pin_ranges()  local
1822 	list_for_each_entry_safe(pin_range, tmp, &gdev->pin_ranges, node) {  in gpiochip_remove_pin_ranges()
1839 	struct gpio_chip	*gc = desc->gdev->chip;  in gpiod_request_commit()
1908 	if (!desc->gdev) {  in validate_desc()
1912 	if (!desc->gdev->chip) {  in validate_desc()
1913 		dev_warn(&desc->gdev->dev,  in validate_desc()
1935 	struct gpio_device *gdev;  in gpiod_request()  local
1938 	gdev = desc->gdev;  in gpiod_request()
1940 	if (try_module_get(gdev->owner)) {  in gpiod_request()
1943 			module_put(gdev->owner);  in gpiod_request()
1945 			get_device(&gdev->dev);  in gpiod_request()
1966 	gc = desc->gdev->chip;  in gpiod_free_commit()
1996 	blocking_notifier_call_chain(&desc->gdev->notifier,  in gpiod_free_commit()
2004 	if (desc && desc->gdev && gpiod_free_commit(desc)) {  in gpiod_free()
2005 		module_put(desc->gdev->owner);  in gpiod_free()
2006 		put_device(&desc->gdev->dev);  in gpiod_free()
2126 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_config_with_argument()
2137 	struct device *dev = &desc->gdev->dev;  in gpio_set_config_with_argument_optional()
2211 	gc = desc->gdev->chip;  in gpiod_direction_input()
2253 	struct gpio_chip *gc = desc->gdev->chip;  in gpiod_direction_output_raw_commit()
2400 	gc = desc->gdev->chip;  in gpiod_set_config()
2500 	gc = desc->gdev->chip;  in gpiod_get_raw_value_commit()
2564 		struct gpio_chip *gc = desc_array[i]->gdev->chip;  in gpiod_get_array_value_complex()
2605 			 (desc_array[i]->gdev->chip == gc));  in gpiod_get_array_value_complex()
2654 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_get_raw_value()
2675 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_get_value()
2749 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_open_drain_value_commit()
2774 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_open_source_value_commit()
2795 	gc = desc->gdev->chip;  in gpiod_set_raw_value_commit()
2858 		struct gpio_chip *gc = desc_array[i]->gdev->chip;  in gpiod_set_array_value_complex()
2920 			 (desc_array[i]->gdev->chip == gc));  in gpiod_set_array_value_complex()
2948 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_set_raw_value()
2989 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_set_value()
3053 	return desc->gdev->chip->can_sleep;  in gpiod_cansleep()
3095 	if (!desc || IS_ERR(desc) || !desc->gdev || !desc->gdev->chip)  in gpiod_to_irq()
3098 	gc = desc->gdev->chip;  in gpiod_to_irq()
3912 	blocking_notifier_call_chain(&desc->gdev->notifier,  in gpiod_get_index()
3978 	blocking_notifier_call_chain(&desc->gdev->notifier,  in fwnode_get_named_gpiod()
4319 static void gpiolib_dbg_show(struct seq_file *s, struct gpio_device *gdev)  in gpiolib_dbg_show()  argument
4322 	struct gpio_chip	*gc = gdev->chip;  in gpiolib_dbg_show()
4323 	unsigned		gpio = gdev->base;  in gpiolib_dbg_show()
4324 	struct gpio_desc	*gdesc = &gdev->descs[0];  in gpiolib_dbg_show()
4329 	for (i = 0; i < gdev->ngpio; i++, gpio++, gdesc++) {  in gpiolib_dbg_show()
4355 	struct gpio_device *gdev = NULL;  in gpiolib_seq_start()  local
4361 	list_for_each_entry(gdev, &gpio_devices, list)  in gpiolib_seq_start()
4364 			return gdev;  in gpiolib_seq_start()
4374 	struct gpio_device *gdev = v;  in gpiolib_seq_next()  local
4378 	if (list_is_last(&gdev->list, &gpio_devices))  in gpiolib_seq_next()
4381 		ret = list_entry(gdev->list.next, struct gpio_device, list);  in gpiolib_seq_next()
4396 	struct gpio_device *gdev = v;  in gpiolib_seq_show()  local
4397 	struct gpio_chip *gc = gdev->chip;  in gpiolib_seq_show()
4402 			   dev_name(&gdev->dev));  in gpiolib_seq_show()
4407 		   dev_name(&gdev->dev),  in gpiolib_seq_show()
4408 		   gdev->base, gdev->base + gdev->ngpio - 1);  in gpiolib_seq_show()
4423 		gpiolib_dbg_show(s, gdev);  in gpiolib_seq_show()