Johan Hovold 68270dab97 USB: serial: pl2303: fix non-supported xon/xoff
Older pl2303 devices do not support automatic xon/xoff flow control, so
add add a flag to prevent trying to enable it for legacy device types.

Refactor the IXON test into a helper function to improve readability.

Fixes: 7041d9c3f01b ("USB: serial: pl2303: add support for tx xon/xoff flow control")
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
2019-04-03 09:46:22 +02:00
..
2019-03-28 00:08:49 +09:00
2019-03-26 16:48:56 +09:00
2019-02-15 09:08:57 +01:00
2019-03-09 16:53:47 -08:00