From fba1c62766340d3a6736c616a36494abb700dae8 Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Thu, 19 Dec 2013 22:19:17 +0200
Subject: [PATCH] iwlwifi: pcie: allow the op_mode to call stop_device whenever
 it wants

Calling stop_device when start_fw wasn't called would issue:
Stopping tx queues that aren't allocated...

Also allow the op_mode to call stop_device and then to
disable the Tx queues - in that case just silently ignore
the disabling on the Tx queues, since the PRPH registers
aren't reachable any more.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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