ACPI: Avoid wiping out pr->performance during preregistering

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When cpufreq driver call acpi_processor_preregister_performance() , function
will clean up pr->performance even if there is possibly already registered
other cpufreq driver. The patch fix this potential problem. It also remove
double checks in P domain basic validity code and move these checks to function
where _PSD data is captured.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>

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Stanislaw Gruszka 2009-03-24 13:41:59 +01:00 • committed by Len Brown

parent 8e0ee43bc2

commit e1eb47797a

1 changed files with 21 additions and 25 deletions

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46

drivers/acpi/processor_perflib.c

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