180 static int serial_stub_start(struct stdio_dev *sdev)  in serial_stub_start()  argument
182 	struct serial_device *dev = sdev->priv;  in serial_stub_start()
187 static int serial_stub_stop(struct stdio_dev *sdev)  in serial_stub_stop()  argument
189 	struct serial_device *dev = sdev->priv;  in serial_stub_stop()
194 static void serial_stub_putc(struct stdio_dev *sdev, const char ch)  in serial_stub_putc()  argument
196 	struct serial_device *dev = sdev->priv;  in serial_stub_putc()
201 static void serial_stub_puts(struct stdio_dev *sdev, const char *str)  in serial_stub_puts()  argument
203 	struct serial_device *dev = sdev->priv;  in serial_stub_puts()
208 static int serial_stub_getc(struct stdio_dev *sdev)  in serial_stub_getc()  argument
210 	struct serial_device *dev = sdev->priv;  in serial_stub_getc()
215 static int serial_stub_tstc(struct stdio_dev *sdev)  in serial_stub_tstc()  argument
217 	struct serial_device *dev = sdev->priv;  in serial_stub_tstc()