drivers/gpio/gpiolib-of.c

376 	struct gpio_desc *desc;
390 		desc = ERR_PTR(-EPROBE_DEFER);
394 	desc = of_xlate_and_get_gpiod_flags(gpio_device_get_chip(gdev),
396 	if (IS_ERR(desc))
404 		 PTR_ERR_OR_ZERO(desc));
409 	return desc;
426 	struct gpio_desc *desc;
428 	desc = of_get_named_gpiod_flags(np, propname, index, NULL);
430 	if (IS_ERR(desc))
431 		return PTR_ERR(desc);
433 		return desc_to_gpio(desc);
572 	struct gpio_desc *desc;
588 		desc = of_get_named_gpiod_flags(np, legacy_id, idx, of_flags);
589 		if (!gpiod_not_found(desc)) {
592 			return desc;
604 	struct gpio_desc *desc;
623 	desc = of_get_named_gpiod_flags(np, legacy_id, 0, of_flags);
624 	if (!gpiod_not_found(desc))
628 	return desc;
642 	struct gpio_desc *desc;
650 	desc = of_get_named_gpiod_flags(np, con_id, idx, of_flags);
651 	if (!gpiod_not_found(desc))
654 	return desc;
675 	struct gpio_desc *desc;
687 		desc = of_get_named_gpiod_flags(np, prop_name, idx, &of_flags);
689 		if (!gpiod_not_found(desc))
694 	for (q = of_find_gpio_quirks; gpiod_not_found(desc) && *q; q++)
695 		desc = (*q)(np, con_id, idx, &of_flags);
697 	if (IS_ERR(desc))
698 		return desc;
702 	return desc;
727 	struct gpio_desc *desc;
754 	desc = of_xlate_and_get_gpiod_flags(chip, &gpiospec, &xlate_flags);
755 	if (IS_ERR(desc))
756 		return desc;
768 			desc_to_gpio(desc), np);
775 	return desc;
788 	struct gpio_desc *desc;
795 		desc = of_parse_own_gpio(hog, chip, i, &name, &lflags, &dflags);
796 		if (IS_ERR(desc))
799 		ret = gpiod_hog(desc, name, lflags, dflags);
804 		WRITE_ONCE(desc->hog, hog);
849 	struct gpio_desc *desc;
851 	for_each_gpio_desc_with_flag(chip, desc, FLAG_IS_HOGGED)
852 		if (READ_ONCE(desc->hog) == hog)
853 			gpiochip_free_own_desc(desc);