serial: 8250: pericom_do_set_divisor can be static

Fixes: 6bf4e42f1d19 ("serial: 8250: Add support for higher baud rates to Pericom chips")
Signed-off-by: kbuild test robot <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/8250/8250_pci.c

···
 
 	return setup_port(priv, port, bar, offset, board->reg_shift);
 }
-void
+static void
 pericom_do_set_divisor(struct uart_port *port, unsigned int baud,
 			       unsigned int quot, unsigned int quot_frac)
 {