160 		return (16000000 * divisor / bas->rclk);  in ns8250_delay()
161 	return (16000 * divisor / (bas->rclk / 1000));  in ns8250_delay()
165 ns8250_divisor(int rclk, int baudrate)  in ns8250_divisor()  argument
173 	divisor = (rclk / (baudrate << 3) + 1) >> 1;  in ns8250_divisor()
176 	actual_baud = rclk / (divisor << 4);  in ns8250_divisor()
302 	/* Set baudrate if we know a rclk and both are not 0. */  in ns8250_param()
303 	if (baudrate > 0 && bas->rclk > 0) {  in ns8250_param()
304 		divisor = ns8250_divisor(bas->rclk, baudrate);  in ns8250_param()
378 	 * Loader tells us to infer the rclk when it sets xo to 0 in  in ns8250_init()
380 	 * calculate rclk from baudrate and the divisor register.  If 'div' is  in ns8250_init()
382 	 * rclk methods.  in ns8250_init()
384 	if (bas->rclk_guess && bas->rclk == 0 && baudrate != 0) {  in ns8250_init()
388 		bas->rclk = baudrate * div * 16;  in ns8250_init()
396 	if (bas->rclk == 0 && baudrate != 0)  in ns8250_init()
397 		bas->rclk = DEFAULT_RCLK;  in ns8250_init()
766 		baudrate = (divisor > 0) ? bas->rclk / divisor / 16 : 0;  in ns8250_bus_ioctl()