From 8a1182eb34dcb0d5d627e2852f3e76931a653264 Mon Sep 17 00:00:00 2001
From: Benjamin Romer <benjamin.romer@unisys.com>
Date: Thu, 17 Jul 2014 12:39:58 -0400
Subject: [PATCH] staging: unisys: detect controlvm channel on module load

The controlvm channel is not removable from a guest after the guest starts,
so it makes no sense to constantly check for it. Move the channel address
discovery to visorchipset_init(), and remove all of the checks for the channel
address from the rest of the module, as the module will not load if the
channel pointer is not valid.

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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