CC: serial/serial_io.c "/mnt/yang/qixinwei_vela_warnings_04_23/nuttx/include/nuttx/power/regulator.h", line 227: warning #231-D:
declaration is not visible outside of function
int regulator_gpio_init(FAR struct ioexpander_dev_s *iodev,
Signed-off-by: yanghuatao <yanghuatao@xiaomi.com>