From: Rafael J. Wysocki <rjw@sisk.pl>
Date: Tue, 8 Jun 2010 08:50:53 +0000 (+0200)
Subject: ACPI / ACPICA: Fix sysfs GPE interface
X-Git-Tag: v2.6.35-rc4~72^2~6^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d3c752de65dbfa6e522f1d666deb0ac152ef367;p=pandora-kernel.git

ACPI / ACPICA: Fix sysfs GPE interface

The sysfs interface allowing user space to disable/enable GPEs
doesn't work correctly, because a GPE disabled this way will be
re-enabled shortly by acpi_ev_asynch_enable_gpe() if it was
previosuly enabled by acpi_enable_gpe() (in which case the
corresponding bit in its enable register's enable_for_run mask is
set).

To address this issue make the sysfs GPE interface use
acpi_enable_gpe() and acpi_disable_gpe() instead of acpi_set_gpe()
so that GPE reference counters are modified by it along with the
values of GPE enable registers.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
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