GPIOD_FLAG_SYSFS
test_bit(GPIOD_FLAG_SYSFS, &dflags) ||
for_each_gpio_desc_with_flag(chip, desc, GPIOD_FLAG_SYSFS) {
set_bit(GPIOD_FLAG_SYSFS, &desc->flags);
if (!test_and_clear_bit(GPIOD_FLAG_SYSFS, &desc->flags))