From 6ec5e12074b42fafec2a340d72e8d8e1fd4c5405 Mon Sep 17 00:00:00 2001
From: Lv Zheng <lv.zheng@intel.com>
Date: Sun, 15 Jun 2014 08:42:31 +0800
Subject: [PATCH] ACPICA: Events: Fix edge-triggered GPE by disabling before
 acknowledging it.

Due to ACPI specificiation 5, chapter 5.6.4 General-Purpose Event Handling,
OSPMs need to disable GPE before clearing the status bit for edge-triggered
GPEs.

Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Tested-by: Gareth Williams <gareth@garethwilliams.me.uk>
Tested-by: Steffen Weber <steffen.weber@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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