From: Johan Hovold <johan@kernel.org>
To: Johan Hovold <johan@kernel.org>
Cc: "Pali Rohár" <pali@kernel.org>, "Marek Behún" <kabel@kernel.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: [PATCH] USB: serial: ftdi_sio: fix 300 bps rate for SIO
Date: Tue, 13 Sep 2022 16:53:12 +0200 [thread overview]
Message-ID: <20220913145312.20782-1-johan@kernel.org> (raw)
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 | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 52d59be92034..787e63fd7f99 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -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;
--
2.35.1
reply other threads:[~2022-09-13 16:18 UTC|newest]
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