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USB: cypress_m8: fix TIOCMIWAIT and disconnect
authorJohan Hovold <jhovold@gmail.com>
Thu, 21 Mar 2013 11:37:03 +0000 (12:37 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Mar 2013 20:50:52 +0000 (13:50 -0700)
Use tty-port modem-status-change wait queue on which processes are woken
up at hangup and disconnect.

Currently a process waiting on modem-status changes will not be woken on
device disconnect.

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

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