+int serial_stub_start(struct stdio_dev *sdev)
+{
+ struct serial_device *dev = sdev->priv;
+
+ return dev->start();
+}
+
+int serial_stub_stop(struct stdio_dev *sdev)
+{
+ struct serial_device *dev = sdev->priv;
+
+ return dev->stop();
+}
+
+void serial_stub_putc(struct stdio_dev *sdev, const char ch)
+{
+ struct serial_device *dev = sdev->priv;
+
+ dev->putc(ch);
+}
+
+void serial_stub_puts(struct stdio_dev *sdev, const char *str)
+{
+ struct serial_device *dev = sdev->priv;
+
+ dev->puts(str);
+}
+
+int serial_stub_getc(struct stdio_dev *sdev)
+{
+ struct serial_device *dev = sdev->priv;
+
+ return dev->getc();
+}
+
+int serial_stub_tstc(struct stdio_dev *sdev)
+{
+ struct serial_device *dev = sdev->priv;
+
+ return dev->tstc();
+}
+