From 48ee5801381dba2e80187c08f15713e859ab5c0f Mon Sep 17 00:00:00 2001
From: Johan Hovold <jhovold@gmail.com>
Date: Thu, 21 Mar 2013 12:37:10 +0100
Subject: [PATCH] USB: io_ti: switch to generic TIOCMIWAIT implementation

Switch to the generic TIOCMIWAIT implementation which does not suffer
from the races involved when using the deprecated sleep_on functions.

This also fixes the issue with processes waiting for
modem-status-changes not being woken up at disconnect.

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