From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Date: Thu, 8 Dec 2011 09:32:23 +0000 (+0800)
Subject: xen/acpi/sleep: Enable ACPI sleep via the __acpi_os_prepare_sleep
X-Git-Tag: v3.5-rc1~89^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=211063dc159695bd6072c5393e9bc729481c6ede;p=pandora-kernel.git

xen/acpi/sleep: Enable ACPI sleep via the __acpi_os_prepare_sleep

Provide the registration callback to call in the Xen's
ACPI sleep functionality. This means that during S3/S5
we make a hypercall XENPF_enter_acpi_sleep with the
proper PM1A/PM1B registers.

Based of Ke Yu's <ke.yu@intel.com> initial idea.
[ From http://xenbits.xensource.com/linux-2.6.18-xen.hg
change c68699484a65 ]

[v1: Added Copyright and license]
[v2: Added check if PM1A/B the 16-bits MSB contain something. The spec
     only uses 16-bits but might have more in future]
Signed-off-by: Liang Tang <liang.tang@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---

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