From cd63894630ab17a192bf97427d16dbec10710a6a Mon Sep 17 00:00:00 2001
From: Keith Busch <keith.busch@intel.com>
Date: Mon, 15 Jul 2013 15:02:23 -0600
Subject: [PATCH] NVMe: Add pci suspend/resume driver callbacks

Used for going in and out of low power states. Resuming reuses the IO
queues from the previous initialization, freeing any allocated queues
that are no longer usable.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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