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3 Commits

Author SHA1 Message Date
Venkatesh Pallipadi 05131ecc99 [ACPI] Avoid BIOS inflicted crashes by evaluating _PDC only once 
Linux invokes the AML _PDC method (Processor Driver Capabilities)
to tell the BIOS what features it can handle.  While the ACPI
spec says nothing about the OS invoking _PDC multiple times,
doing so with changing bits seems to hopelessly confuse the BIOS
on multiple platforms up to and including crashing the system.

Factor out the _PDC invocation so Linux invokes it only once.

http://bugzilla.kernel.org/show_bug.cgi?id=5483

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2005-12-01 01:30:35 -05:00
Len Brown 4be44fcd3b [ACPI] Lindent all ACPI files 
Signed-off-by: Len Brown <len.brown@intel.com>
 2005-08-05 00:45:14 -04:00
Venkatesh Pallipadi 02df8b9385 [ACPI] enable C2 and C3 idle power states on SMP 
http://bugzilla.kernel.org/show_bug.cgi?id=4401

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
 2005-07-12 00:14:36 -04:00