From: Johan Hovold <jhovold@gmail.com>
Date: Wed, 26 Jun 2013 14:47:22 +0000 (+0200)
Subject: USB: serial: clean up dtr_rts
X-Git-Tag: v3.12-rc1~186^2~195
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f5f45304512fa167883dbf7cc23ff92008b173e7;p=pandora-kernel.git

USB: serial: clean up dtr_rts

Since commit 957dacae ("TTY: fix DTR not being dropped on hang up")
dtr_rts is no longer called for uninitialised ports (e.g. after
a disconnect), which removes the need to grab the disconnect mutex.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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