only PORT_VR41XX_SIU can select interface.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
                port->membase = ioremap(port->mapbase, siu_port_size(port));
        }
 
-       vr41xx_select_siu_interface(SIU_INTERFACE_RS232C);
+       if (port->type == PORT_VR41XX_SIU)
+               vr41xx_select_siu_interface(SIU_INTERFACE_RS232C);
 
        if (options != NULL)
                uart_parse_options(options, &baud, &parity, &bits, &flow);