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cpufreq fix for 3.5-rc7 

This fixes a regression preventing the ACPI cpufreq driver from loading on some
 systems where it worked previously without any problems.
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Merge tag 'cpufreq-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull cpufreq fix from Rafael Wysocki:
 "This fixes a regression preventing the ACPI cpufreq driver from
  loading on some systems where it worked previously without any
  problems."

* tag 'cpufreq-for-3.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq / ACPI: Fix not loading acpi-cpufreq driver regression
wifi-calibration
Linus Torvalds 2012-07-14 11:51:11 -07:00
parent e60d7458cb c4686c71a9
commit a7559b13de
1 changed files with 4 additions and 2 deletions
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6
drivers/acpi/processor_core.c
View File

@ -189,10 +189,12 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
* Processor (CPU3, 0x03, 0x00000410, 0x06) {}
* }
*
* Ignores apic_id and always return 0 for CPU0's handle.
* Ignores apic_id and always returns 0 for the processor
* handle with acpi id 0 if nr_cpu_ids is 1.
* This should be the case if SMP tables are not found.
* Return -1 for other CPU's handle.
*/
if (acpi_id == 0)
if (nr_cpu_ids <= 1 && acpi_id == 0)
return acpi_id;
else
return apic_id;