From: Pawel Moll <pawel.moll@arm.com>
Date: Thu, 24 Apr 2014 16:19:30 +0000 (+0100)
Subject: power/reset: vexpress: Fix restart/power off operation
X-Git-Tag: omap-for-v3.16/pm-signed~52^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d08b80373cbb76c9b485b60d49fd3ba82abdf77c;p=pandora-kernel.git

power/reset: vexpress: Fix restart/power off operation

The restart/power off implementation in the vexpress driver
used to obtain the config function when necessary. This was
wrong in two respects:

1. It required memory allocation with disabled interrupts
(it worked, but lockdep - when enabled - reported warnings).

2. Used jiffies-based timeout, while jiffies are not running
at this stage of system shutdown (therefore a config
transaction error - if happened - would have never be reported).

Fixed by pre-allocating the config function per device
and using mdelay for timeout.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
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