USB: cp210x: do not map baud rates to B0
We do not implement B0 hangup yet so map low baudrates to 300bps.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: Preston Fick <preston.fick@silabs.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 1270e02..ad7599e 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -363,8 +363,8 @@
* Quantises the baud rate as per AN205 Table 1
*/
static unsigned int cp210x_quantise_baudrate(unsigned int baud) {
- if (baud <= 56) baud = 0;
- else if (baud <= 300) baud = 300;
+ if (baud <= 300)
+ baud = 300;
else if (baud <= 600) baud = 600;
else if (baud <= 1200) baud = 1200;
else if (baud <= 1800) baud = 1800;