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Date:	Wed, 01 Feb 2012 12:14:22 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Johan Hovold <jhovold@...il.com>,
	Preston Fick <preston.fick@...abs.com>
Subject: [20/20] USB: cp210x: do not map baud rates to B0

2.6.32-longterm review patch.  If anyone has any objections, please let me know.

------------------

From: Johan Hovold <jhovold@...il.com>

commit be125d9c8d59560e7cc2d6e2b65c8fd233498ab7 upstream.

We do not implement B0 hangup yet so map low baudrates to 300bps.

Signed-off-by: Johan Hovold <jhovold@...il.com>
Cc: Preston Fick <preston.fick@...abs.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/serial/cp210x.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -361,8 +361,8 @@ static inline int cp210x_set_config_sing
  * 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;


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