int pl01x_serial_ofdata_to_platdata(struct udevice *dev);
int pl01x_serial_probe(struct udevice *dev);
-extern const struct dm_serial_ops pl01x_serial_ops;
+
+/* Needed for external pl01x_serial_ops drivers */
+int pl01x_serial_putc(struct udevice *dev, const char ch);
+int pl01x_serial_pending(struct udevice *dev, bool input);
+int pl01x_serial_getc(struct udevice *dev);
+int pl01x_serial_setbrg(struct udevice *dev, int baudrate);
struct pl01x_priv {
struct pl01x_regs *regs;