serial: MIPS: lantiq: add clk_enable() call to driver

Enable the clock if one is present when setting up the console.

Signed-off-by: Thomas Langer <[e-mail]>
Acked-by: John Crispin <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/lantiq.c

···
 
 	port = &ltq_port->port;
 
+	if (!IS_ERR(ltq_port->clk))
+		clk_enable(ltq_port->clk);
+
 	port->uartclk = clk_get_rate(ltq_port->fpiclk);
 
 	if (options)