This change has been tested to work with PL-2303HX at 115200, 500000, 1000000, 2000000, 2500000, 3000000 and 4000000 baud rates. Signed-off-by: Lauri Hintsala <lauri.hintsala@xxxxxxxxxxxx> --- CC: Johan Hovold <jhovold@xxxxxxxxx> CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> CC: linux-usb@xxxxxxxxxxxxxxx drivers/usb/serial/pl2303.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index b3d5a35..51f2420 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -394,16 +394,14 @@ static void pl2303_encode_baud_rate(struct tty_struct *tty, if (spriv->type->max_baud_rate) baud = min_t(speed_t, baud, spriv->type->max_baud_rate); /* - * Set baud rate to nearest supported value. - * - * NOTE: Baud rate 500k can only be set using divisors. + * Use direct method for supported baud rates, otherwise use divisors. */ baud_sup = pl2303_get_supported_baud_rate(baud); - if (baud == 500000) - baud = pl2303_encode_baud_rate_divisor(buf, baud); + if (baud == baud_sup) + baud = pl2303_encode_baud_rate_direct(buf, baud); else - baud = pl2303_encode_baud_rate_direct(buf, baud_sup); + baud = pl2303_encode_baud_rate_divisor(buf, baud); /* Save resulting baud rate */ tty_encode_baud_rate(tty, baud, baud); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
