From 01079522f94b3a1c87cfa375be3917d2da6e6363 Mon Sep 17 00:00:00 2001
From: Dan McLeran <daniel.mcleran@intel.com>
Date: Mon, 23 Jun 2014 08:24:36 -0600
Subject: [PATCH] NVMe: Change nvme_enable_ctrl to set EN and manage CC thru
 ctrl_config.

Change the behavior of nvme_enable_ctrl to set EN.
Clear CC.SH for both nvme_enable_ctrl and nvme_disable_ctrl.
Remove reading of the CC register and manage the state in
dev->ctrl_config.

Signed-off-by: Dan McLeran <daniel.mcleran@intel.com>
[removed an unwanted write to CC]
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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