From: Johan Hovold <johan@kernel.org>
Date: Wed, 5 Nov 2014 17:41:59 +0000 (+0100)
Subject: USB: cdc-acm: only raise DTR on transitions from B0
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~144^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4473d054ceb572557954f9536731d39b20937b0c;p=pandora-kernel.git

USB: cdc-acm: only raise DTR on transitions from B0

Make sure to only raise DTR on transitions from B0 in set_termios.

Also allow set_termios to be called from open with a termios_old of
NULL. Note that DTR will not be raised prematurely in this case.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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