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USB: serial: ch341: fix modem-control and B0 handling
authorJohan Hovold <johan@kernel.org>
Fri, 6 Jan 2017 18:15:12 +0000 (19:15 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 16 Mar 2017 02:18:41 +0000 (02:18 +0000)
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")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/usb/serial/ch341.c patch | blob | history

diff --cc drivers/usb/serial/ch341.c
Simple merge
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