#define EXTRABAUD 1000000

unsigned int
uart_get_divisor(struct uart_port *port, unsigned int baud)
{
	unsigned int quot;

#ifdef EXTRABAUD
	if( baud == 115200 ) {
		baud = EXTRABAUD;
	}
#endif

	/*
	 * Old custom speed handling.
	 */
	if (baud == 38400 && (port->flags & UPF_SPD_MASK) == UPF_SPD_CUST)
		quot = port->custom_divisor;
	else
		quot = (port->uartclk + (8 * baud)) / (16 * baud);

	return quot;
}