USB: serial: ftdi_sio: fix 300 bps rate for SIO
authorJohan Hovold <johan@kernel.org>
Tue, 13 Sep 2022 14:53:12 +0000 (16:53 +0200)
committerJohan Hovold <johan@kernel.org>
Thu, 15 Sep 2022 06:05:12 +0000 (08:05 +0200)
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>
drivers/usb/serial/ftdi_sio.c

index 52d59be920342e9ab5b2af5bcca3f5927a8dc4f2..787e63fd7f99b49b2043b72cd2d80398a8559ef0 100644 (file)
@@ -1319,8 +1319,7 @@ 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;