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authorRafael J. Wysocki <rjw@sisk.pl>2008-09-06 13:13:01 +0200
committerLen Brown <len.brown@intel.com>2008-10-16 20:45:35 -0400
commita6629105dd03d370fcb31e97bddf223fa4bb651e (patch)
treec7a516ef2ef9aee0ad38d41b35fb59a530b015da /drivers/acpi/events
parente49f711cc8f3bf8d719a9f5c86e79ecc0a72bf70 (diff)
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>
Diffstat (limited to 'drivers/acpi/events')
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