From: Tang Liang <liang.tang@oracle.com>
Date: Fri, 9 Dec 2011 02:05:54 +0000 (+0800)
Subject: x86, acpi, tboot: Have a ACPI os prepare sleep instead of calling tboot_sleep.
X-Git-Tag: v3.4-rc1~18^2^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09f98a825a821f7a3f1b162f9ed023f37213a63b;p=pandora-kernel.git

x86, acpi, tboot: Have a ACPI os prepare sleep instead of calling tboot_sleep.

The ACPI suspend path makes a call to tboot_sleep right before
it writes the PM1A, PM1B values. We replace the direct call to
tboot via an registration callback similar to __acpi_register_gsi.

CC: Len Brown <len.brown@intel.com>
Acked-by: Joseph Cihula <joseph.cihula@intel.com>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
[v1: Added __attribute__ ((unused))]
[v2: Introduced a wrapper instead of changing tboot_sleep return values]
[v3: Added return value AE_CTRL_SKIP for acpi_os_sleep_prepare]
Signed-off-by: Tang Liang <liang.tang@oracle.com>
[v1: Fix compile issues on IA64 and PPC64]
[v2: Fix where __acpi_os_prepare_sleep==NULL and did not go in sleep properly]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

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