Messages in this thread Patch in this message | | | Date | Wed, 01 Feb 2012 12:56:45 -0800 | From | Greg KH <> | Subject | [65/65] USB: cp210x: allow more baud rates above 1Mbaud |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Johan Hovold <jhovold@gmail.com>
commit d1620ca9e7bb0030068c3b45b653defde8839dac upstream.
Allow more baud rates to be set in [1M,2M] baud.
Signed-off-by: Johan Hovold <jhovold@gmail.com> Cc: Preston Fick <preston.fick@silabs.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/usb/serial/cp210x.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-)
--- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -388,10 +388,10 @@ static unsigned int cp210x_quantise_baud else if (baud <= 491520) baud = 460800; else if (baud <= 567138) baud = 500000; else if (baud <= 670254) baud = 576000; - else if (baud <= 1053257) baud = 921600; - else if (baud <= 1474560) baud = 1228800; - else if (baud <= 2457600) baud = 1843200; - else baud = 3686400; + else if (baud < 1000000) + baud = 921600; + else if (baud > 2000000) + baud = 2000000; return baud; } @@ -611,7 +611,8 @@ static void cp210x_change_speed(struct t baud = tty->termios->c_ospeed; - /* This maps the requested rate to a rate valid on cp2102 or cp2103. + /* This maps the requested rate to a rate valid on cp2102 or cp2103, + * or to an arbitrary rate in [1M,2M]. * * NOTE: B0 is not implemented. */
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