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USB: serial: ftdi_sio: fix 300 bps rate for SIO

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commit 7bd7ad3c310cd6766f170927381eea0aa6f46c69 upstream.

The 300 bps rate of SIO devices has been mapped to 9600 bps since
2003... Let's fix the regression.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2022-09-13 16:53:12 +02:00 committed by Greg Kroah-Hartman
parent 1b257f97fe
commit 3451df3a51
1 changed files with 1 additions and 2 deletions
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3
drivers/usb/serial/ftdi_sio.c
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@ -1320,8 +1320,7 @@ static u32 get_ftdi_divisor(struct tty_struct *tty,
case 38400: div_value = ftdi_sio_b38400; break;
case 57600: div_value = ftdi_sio_b57600; break;
case 115200: div_value = ftdi_sio_b115200; break;
} /* baud */
if (div_value == 0) {
default:
dev_dbg(dev, "%s - Baudrate (%d) requested is not supported\n",
__func__, baud);
div_value = ftdi_sio_b9600;