On Tue, Jan 17, 2017 at 04:19:57PM +0100, Johan Hovold wrote:
> commit 030ee7ae52a46a2be52ccc8242c4a330aba8d38e upstream.
>
> The modem-control signals are managed by the tty-layer during open and
> should not be asserted prematurely when set_termios is called from
> driver open.
>
> Also make sure that the signals are asserted only when changing speed
> from B0.
>
> Fixes: 664d5df92e88 ("USB: usb-serial ch341: support for DTR/RTS/CTS")
> Cc: stable <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
>
> This is a backport of 030ee7ae52a4 ("USB: serial: ch341: fix
> modem-control and B0 handling") to 4.9 that should apply also to 4.4.
Thanks for the backport, now applied.
greg k-h
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