1400 	unsigned long fref = 100000000, fuart = baud * 16;  in byt_set_termios()  local
1406 	fuart = fuart ? fuart : 9600 * 16;  in byt_set_termios()
1409 	fuart *= rounddown_pow_of_two(fref / fuart);  in byt_set_termios()
1417 	rational_best_approximation(fuart, fref, w, w, &m, &n);  in byt_set_termios()
1418 	p->uartclk = fuart;  in byt_set_termios()
1526 	unsigned long fuart = baud * ps;  in intel_mid_set_termios()  local
1530 	if (fref < fuart) {  in intel_mid_set_termios()
1536 		fuart = baud * ps;  in intel_mid_set_termios()
1539 		fuart *= rounddown_pow_of_two(fref / fuart);  in intel_mid_set_termios()
1542 	rational_best_approximation(fuart, fref, w, w, &mul, &div);  in intel_mid_set_termios()
1543 	p->uartclk = fuart * 16 / ps;		/* core uses ps = 16 always */  in intel_mid_set_termios()