From f7eabb93502747b10866c31ed0475d53bf860832 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Fri, 6 Jan 2017 19:15:14 +0100
Subject: [PATCH] USB: serial: ch341: fix resume after reset

commit ce5e292828117d1b71cbd3edf9e9137cf31acd30 upstream.

Fix reset-resume handling which failed to resubmit the read and
interrupt URBs, thereby leaving a port that was open before suspend in a
broken state until closed and reopened.

Fixes: 1ded7ea47b88 ("USB: ch341 serial: fix port number changed after
resume")
Fixes: 2bfd1c96a9fb ("USB: serial: ch341: remove reset_resume callback")
Signed-off-by: Johan Hovold <johan@kernel.org>
[bwh: Backported to 3.2:
 - Move initialisation of 'serial' up to make this work
 - Delete the call to usb_serial_resume() that was still present and
   would be redundant with usb_serial_generic_resume()
 - Open-code tty_port_initialized()]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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