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()
193 		base = gdev->base - ngpio;  in gpiochip_find_base()
254 static int gpiodev_add_to_list(struct gpio_device *gdev)  in gpiodev_add_to_list()  argument
260 		list_add_tail(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
265 	if (gdev->base + gdev->ngpio <= next->base) {  in gpiodev_add_to_list()
267 		list_add(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
272 	if (prev->base + prev->ngpio <= gdev->base) {  in gpiodev_add_to_list()
274 		list_add_tail(&gdev->list, &gpio_devices);  in gpiodev_add_to_list()
284 		if (prev->base + prev->ngpio <= gdev->base  in gpiodev_add_to_list()
285 				&& gdev->base + gdev->ngpio <= next->base) {  in gpiodev_add_to_list()
286 			list_add(&gdev->list, &prev->list);  in gpiodev_add_to_list()
302 	struct gpio_device *gdev;  in gpio_name_to_desc()  local
310 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpio_name_to_desc()
313 		for_each_gpio_desc(gdev->chip, desc) {  in gpio_name_to_desc()
336 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_set_desc_names()  local
345 			dev_warn(&gdev->dev,  in gpiochip_set_desc_names()
352 		gdev->descs[i].name = gc->names[i];  in gpiochip_set_desc_names()
368 	struct gpio_device *gdev = chip->gpiodev;  in devprop_gpiochip_set_names()  local
369 	struct fwnode_handle *fwnode = dev_fwnode(&gdev->dev);  in devprop_gpiochip_set_names()
387 …dev_warn(&gdev->dev, "gpio-line-names too short (length %d), cannot map names for the gpiochip at …  in devprop_gpiochip_set_names()
399 		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()
496 	struct gpio_device *gdev = container_of(dev, struct gpio_device, dev);  in gpiodevice_release()  local
500 	list_del(&gdev->list);  in gpiodevice_release()
503 	ida_free(&gpio_ida, gdev->id);  in gpiodevice_release()
504 	kfree_const(gdev->label);  in gpiodevice_release()
505 	kfree(gdev->descs);  in gpiodevice_release()
506 	kfree(gdev);  in gpiodevice_release()
510 #define gcdev_register(gdev, devt)	gpiolib_cdev_register((gdev), (devt))  argument
511 #define gcdev_unregister(gdev)		gpiolib_cdev_unregister((gdev))  argument
517 #define gcdev_register(gdev, devt)	device_add(&(gdev)->dev)  argument
518 #define gcdev_unregister(gdev)		device_del(&(gdev)->dev)  argument
521 static int gpiochip_setup_dev(struct gpio_device *gdev)  in gpiochip_setup_dev()  argument
525 	ret = gcdev_register(gdev, gpio_devt);  in gpiochip_setup_dev()
530 	gdev->dev.release = gpiodevice_release;  in gpiochip_setup_dev()
532 	ret = gpiochip_sysfs_register(gdev);  in gpiochip_setup_dev()
536 	dev_dbg(&gdev->dev, "registered GPIOs %d to %d on %s\n", gdev->base,  in gpiochip_setup_dev()
537 		gdev->base + gdev->ngpio - 1, gdev->chip->label ? : "generic");  in gpiochip_setup_dev()
542 	gcdev_unregister(gdev);  in gpiochip_setup_dev()
583 	struct gpio_device *gdev;  in gpiochip_setup_devs()  local
586 	list_for_each_entry(gdev, &gpio_devices, list) {  in gpiochip_setup_devs()
587 		ret = gpiochip_setup_dev(gdev);  in gpiochip_setup_devs()
589 			dev_err(&gdev->dev,  in gpiochip_setup_devs()
599 	struct gpio_device *gdev;  in gpiochip_add_data_with_key()  local
615 	gdev = kzalloc(sizeof(*gdev), GFP_KERNEL);  in gpiochip_add_data_with_key()
616 	if (!gdev)  in gpiochip_add_data_with_key()
618 	gdev->dev.bus = &gpio_bus_type;  in gpiochip_add_data_with_key()
619 	gdev->dev.parent = gc->parent;  in gpiochip_add_data_with_key()
620 	gdev->chip = gc;  in gpiochip_add_data_with_key()
621 	gc->gpiodev = gdev;  in gpiochip_add_data_with_key()
623 	of_gpio_dev_init(gc, gdev);  in gpiochip_add_data_with_key()
624 	acpi_gpio_dev_init(gc, gdev);  in gpiochip_add_data_with_key()
630 	gdev->dev.fwnode = dev_fwnode(&gdev->dev) ?: fwnode;  in gpiochip_add_data_with_key()
632 	gdev->id = ida_alloc(&gpio_ida, GFP_KERNEL);  in gpiochip_add_data_with_key()
633 	if (gdev->id < 0) {  in gpiochip_add_data_with_key()
634 		ret = gdev->id;  in gpiochip_add_data_with_key()
638 	ret = dev_set_name(&gdev->dev, GPIOCHIP_NAME "%d", gdev->id);  in gpiochip_add_data_with_key()
642 	device_initialize(&gdev->dev);  in gpiochip_add_data_with_key()
644 		gdev->owner = gc->parent->driver->owner;  in gpiochip_add_data_with_key()
647 		gdev->owner = gc->owner;  in gpiochip_add_data_with_key()
649 		gdev->owner = THIS_MODULE;  in gpiochip_add_data_with_key()
657 		ret = device_property_read_u32(&gdev->dev, "ngpios", &ngpios);  in gpiochip_add_data_with_key()
682 	gdev->descs = kcalloc(gc->ngpio, sizeof(*gdev->descs), GFP_KERNEL);  in gpiochip_add_data_with_key()
683 	if (!gdev->descs) {  in gpiochip_add_data_with_key()
688 	gdev->label = kstrdup_const(gc->label ?: "unknown", GFP_KERNEL);  in gpiochip_add_data_with_key()
689 	if (!gdev->label) {  in gpiochip_add_data_with_key()
694 	gdev->ngpio = gc->ngpio;  in gpiochip_add_data_with_key()
695 	gdev->data = data;  in gpiochip_add_data_with_key()
723 	gdev->base = base;  in gpiochip_add_data_with_key()
725 	ret = gpiodev_add_to_list(gdev);  in gpiochip_add_data_with_key()
733 		gdev->descs[i].gdev = gdev;  in gpiochip_add_data_with_key()
737 	BLOCKING_INIT_NOTIFIER_HEAD(&gdev->notifier);  in gpiochip_add_data_with_key()
740 	INIT_LIST_HEAD(&gdev->pin_ranges);  in gpiochip_add_data_with_key()
765 		struct gpio_desc *desc = &gdev->descs[i];  in gpiochip_add_data_with_key()
805 		ret = gpiochip_setup_dev(gdev);  in gpiochip_add_data_with_key()
823 	if (gdev->dev.release) {  in gpiochip_add_data_with_key()
825 		put_device(&gdev->dev);  in gpiochip_add_data_with_key()
830 	list_del(&gdev->list);  in gpiochip_add_data_with_key()
833 	kfree_const(gdev->label);  in gpiochip_add_data_with_key()
835 	kfree(gdev->descs);  in gpiochip_add_data_with_key()
837 	kfree(dev_name(&gdev->dev));  in gpiochip_add_data_with_key()
839 	ida_free(&gpio_ida, gdev->id);  in gpiochip_add_data_with_key()
841 	kfree(gdev);  in gpiochip_add_data_with_key()
874 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_remove()  local
879 	gpiochip_sysfs_unregister(gdev);  in gpiochip_remove()
882 	gdev->chip = NULL;  in gpiochip_remove()
892 	gdev->data = NULL;  in gpiochip_remove()
895 	for (i = 0; i < gdev->ngpio; i++) {  in gpiochip_remove()
901 	if (i != gdev->ngpio)  in gpiochip_remove()
902 		dev_crit(&gdev->dev,  in gpiochip_remove()
911 	gcdev_unregister(gdev);  in gpiochip_remove()
912 	put_device(&gdev->dev);  in gpiochip_remove()
931 	struct gpio_device *gdev;  in gpiochip_find()  local
936 	list_for_each_entry(gdev, &gpio_devices, list)  in gpiochip_find()
937 		if (gdev->chip && match(gdev->chip, data)) {  in gpiochip_find()
938 			gc = gdev->chip;  in gpiochip_find()
1788 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_add_pingroup_range()  local
1801 	pin_range->range.base = gdev->base + gpio_offset;  in gpiochip_add_pingroup_range()
1818 	list_add_tail(&pin_range->node, &gdev->pin_ranges);  in gpiochip_add_pingroup_range()
1846 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_add_pin_range()  local
1859 	pin_range->range.base = gdev->base + gpio_offset;  in gpiochip_add_pin_range()
1875 	list_add_tail(&pin_range->node, &gdev->pin_ranges);  in gpiochip_add_pin_range()
1888 	struct gpio_device *gdev = gc->gpiodev;  in gpiochip_remove_pin_ranges()  local
1890 	list_for_each_entry_safe(pin_range, tmp, &gdev->pin_ranges, node) {  in gpiochip_remove_pin_ranges()
1907 	struct gpio_chip	*gc = desc->gdev->chip;  in gpiod_request_commit()
1976 	if (!desc->gdev) {  in validate_desc()
1980 	if (!desc->gdev->chip) {  in validate_desc()
1981 		dev_warn(&desc->gdev->dev,  in validate_desc()
2003 	struct gpio_device *gdev;  in gpiod_request()  local
2006 	gdev = desc->gdev;  in gpiod_request()
2008 	if (try_module_get(gdev->owner)) {  in gpiod_request()
2011 			module_put(gdev->owner);  in gpiod_request()
2013 			get_device(&gdev->dev);  in gpiod_request()
2034 	gc = desc->gdev->chip;  in gpiod_free_commit()
2064 	blocking_notifier_call_chain(&desc->gdev->notifier,  in gpiod_free_commit()
2072 	if (desc && desc->gdev && gpiod_free_commit(desc)) {  in gpiod_free()
2073 		module_put(desc->gdev->owner);  in gpiod_free()
2074 		put_device(&desc->gdev->dev);  in gpiod_free()
2194 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_config_with_argument()
2205 	struct device *dev = &desc->gdev->dev;  in gpio_set_config_with_argument_optional()
2289 	gc = desc->gdev->chip;  in gpiod_direction_input()
2331 	struct gpio_chip *gc = desc->gdev->chip;  in gpiod_direction_output_raw_commit()
2478 	gc = desc->gdev->chip;  in gpiod_enable_hw_timestamp_ns()
2507 	gc = desc->gdev->chip;  in gpiod_disable_hw_timestamp_ns()
2535 	gc = desc->gdev->chip;  in gpiod_set_config()
2639 	gc = desc->gdev->chip;  in gpiod_get_raw_value_commit()
2702 		struct gpio_chip *gc = desc_array[i]->gdev->chip;  in gpiod_get_array_value_complex()
2743 			 (desc_array[i]->gdev->chip == gc));  in gpiod_get_array_value_complex()
2792 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_get_raw_value()
2813 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_get_value()
2887 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_open_drain_value_commit()
2912 	struct gpio_chip *gc = desc->gdev->chip;  in gpio_set_open_source_value_commit()
2933 	gc = desc->gdev->chip;  in gpiod_set_raw_value_commit()
2996 		struct gpio_chip *gc = desc_array[i]->gdev->chip;  in gpiod_set_array_value_complex()
3058 			 (desc_array[i]->gdev->chip == gc));  in gpiod_set_array_value_complex()
3086 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_set_raw_value()
3127 	WARN_ON(desc->gdev->chip->can_sleep);  in gpiod_set_value()
3191 	return desc->gdev->chip->can_sleep;  in gpiod_cansleep()
3233 	if (!desc || IS_ERR(desc) || !desc->gdev || !desc->gdev->chip)  in gpiod_to_irq()
3236 	gc = desc->gdev->chip;  in gpiod_to_irq()
3871 	blocking_notifier_call_chain(&desc->gdev->notifier,  in fwnode_get_named_gpiod()
4135 	blocking_notifier_call_chain(&desc->gdev->notifier,  in gpiod_get_index()
4474 static void gpiolib_dbg_show(struct seq_file *s, struct gpio_device *gdev)  in gpiolib_dbg_show()  argument
4476 	struct gpio_chip	*gc = gdev->chip;  in gpiolib_dbg_show()
4478 	unsigned		gpio = gdev->base;  in gpiolib_dbg_show()
4508 	struct gpio_device *gdev = NULL;  in gpiolib_seq_start()  local
4514 	list_for_each_entry(gdev, &gpio_devices, list)  in gpiolib_seq_start()
4517 			return gdev;  in gpiolib_seq_start()
4527 	struct gpio_device *gdev = v;  in gpiolib_seq_next()  local
4531 	if (list_is_last(&gdev->list, &gpio_devices))  in gpiolib_seq_next()
4534 		ret = list_first_entry(&gdev->list, struct gpio_device, list);  in gpiolib_seq_next()
4549 	struct gpio_device *gdev = v;  in gpiolib_seq_show()  local
4550 	struct gpio_chip *gc = gdev->chip;  in gpiolib_seq_show()
4555 			   dev_name(&gdev->dev));  in gpiolib_seq_show()
4560 		   dev_name(&gdev->dev),  in gpiolib_seq_show()
4561 		   gdev->base, gdev->base + gdev->ngpio - 1);  in gpiolib_seq_show()
4576 		gpiolib_dbg_show(s, gdev);  in gpiolib_seq_show()