ACPI suspend: Always use the 32-bit waking vector
authorRafael J. Wysocki <rjw@sisk.pl>
Sat, 6 Sep 2008 11:13:01 +0000 (13:13 +0200)
committerLen Brown <len.brown@intel.com>
Fri, 17 Oct 2008 00:45:35 +0000 (20:45 -0400)
commita6629105dd03d370fcb31e97bddf223fa4bb651e
treec7a516ef2ef9aee0ad38d41b35fb59a530b015da
parente49f711cc8f3bf8d719a9f5c86e79ecc0a72bf70
ACPI suspend: Always use the 32-bit waking vector

According to the ACPI specification 2.0c and later, the 64-bit waking vector
should be cleared and the 32-bit waking vector should be used, unless we want
the wake-up code to be called by the BIOS in Protected Mode.  Moreover, some
systems (for example HP dv5-1004nr) are known to fail to resume if the 64-bit
waking vector is used.  Therefore, modify the code to clear the 64-bit waking
vector, for FACS version 1 or greater, and set the 32-bit one before suspend.

http://bugzilla.kernel.org/show_bug.cgi?id=11368

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/hardware/hwsleep.c