426 static unsigned int cp210x_quantise_baudrate(unsigned int baud)  in cp210x_quantise_baudrate()  argument
428 	if (baud <= 300)  in cp210x_quantise_baudrate()
429 		baud = 300;  in cp210x_quantise_baudrate()
430 	else if (baud <= 600)      baud = 600;  in cp210x_quantise_baudrate()
431 	else if (baud <= 1200)     baud = 1200;  in cp210x_quantise_baudrate()
432 	else if (baud <= 1800)     baud = 1800;  in cp210x_quantise_baudrate()
433 	else if (baud <= 2400)     baud = 2400;  in cp210x_quantise_baudrate()
434 	else if (baud <= 4000)     baud = 4000;  in cp210x_quantise_baudrate()
435 	else if (baud <= 4803)     baud = 4800;  in cp210x_quantise_baudrate()
436 	else if (baud <= 7207)     baud = 7200;  in cp210x_quantise_baudrate()
437 	else if (baud <= 9612)     baud = 9600;  in cp210x_quantise_baudrate()
438 	else if (baud <= 14428)    baud = 14400;  in cp210x_quantise_baudrate()
439 	else if (baud <= 16062)    baud = 16000;  in cp210x_quantise_baudrate()
440 	else if (baud <= 19250)    baud = 19200;  in cp210x_quantise_baudrate()
441 	else if (baud <= 28912)    baud = 28800;  in cp210x_quantise_baudrate()
442 	else if (baud <= 38601)    baud = 38400;  in cp210x_quantise_baudrate()
443 	else if (baud <= 51558)    baud = 51200;  in cp210x_quantise_baudrate()
444 	else if (baud <= 56280)    baud = 56000;  in cp210x_quantise_baudrate()
445 	else if (baud <= 58053)    baud = 57600;  in cp210x_quantise_baudrate()
446 	else if (baud <= 64111)    baud = 64000;  in cp210x_quantise_baudrate()
447 	else if (baud <= 77608)    baud = 76800;  in cp210x_quantise_baudrate()
448 	else if (baud <= 117028)   baud = 115200;  in cp210x_quantise_baudrate()
449 	else if (baud <= 129347)   baud = 128000;  in cp210x_quantise_baudrate()
450 	else if (baud <= 156868)   baud = 153600;  in cp210x_quantise_baudrate()
451 	else if (baud <= 237832)   baud = 230400;  in cp210x_quantise_baudrate()
452 	else if (baud <= 254234)   baud = 250000;  in cp210x_quantise_baudrate()
453 	else if (baud <= 273066)   baud = 256000;  in cp210x_quantise_baudrate()
454 	else if (baud <= 491520)   baud = 460800;  in cp210x_quantise_baudrate()
455 	else if (baud <= 567138)   baud = 500000;  in cp210x_quantise_baudrate()
456 	else if (baud <= 670254)   baud = 576000;  in cp210x_quantise_baudrate()
457 	else if (baud < 1000000)  in cp210x_quantise_baudrate()
458 		baud = 921600;  in cp210x_quantise_baudrate()
459 	else if (baud > 2000000)  in cp210x_quantise_baudrate()
460 		baud = 2000000;  in cp210x_quantise_baudrate()
461 	return baud;  in cp210x_quantise_baudrate()
500 	unsigned int baud;  in cp210x_get_termios()  local
504 			&tty->termios.c_cflag, &baud);  in cp210x_get_termios()
505 		tty_encode_baud_rate(tty, baud, baud);  in cp210x_get_termios()
509 		cp210x_get_termios_port(port, &cflag, &baud);  in cp210x_get_termios()
522 	unsigned int baud;  in cp210x_get_termios_port()  local
525 	cp210x_get_config(port, CP210X_GET_BAUDRATE, &baud, 4);  in cp210x_get_termios_port()
527 	dev_dbg(dev, "%s - baud rate = %d\n", __func__, baud);  in cp210x_get_termios_port()
528 	*baudp = baud;  in cp210x_get_termios_port()
660 	u32 baud;  in cp210x_change_speed()  local
662 	baud = tty->termios.c_ospeed;  in cp210x_change_speed()
669 	baud = cp210x_quantise_baudrate(baud);  in cp210x_change_speed()
671 	dev_dbg(&port->dev, "%s - setting baud rate to %u\n", __func__, baud);  in cp210x_change_speed()
672 	if (cp210x_set_config(port, CP210X_SET_BAUDRATE, &baud,  in cp210x_change_speed()
673 							sizeof(baud))) {  in cp210x_change_speed()
674 		dev_warn(&port->dev, "failed to set baud rate to %u\n", baud);  in cp210x_change_speed()
676 			baud = old_termios->c_ospeed;  in cp210x_change_speed()
678 			baud = 9600;  in cp210x_change_speed()
681 	tty_encode_baud_rate(tty, baud, baud);  in cp210x_change_speed()