From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Sat, 4 May 2013 10:43:16 +0000 (-0400)
Subject: NVMe: Wait for device to acknowledge shutdown
X-Git-Tag: v3.10-rc1~21^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba47e3865e8023e79b670793a41508222b5f0322;p=pandora-kernel.git

NVMe: Wait for device to acknowledge shutdown

A recent update to the specification makes it clear that the host
is expected to wait for the device to acknowledge the Enable bit
transitioning to 0 as well as waiting for the device to acknowledge a
transition to 1.

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