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ACPI: cpufreq: Print _PPC changes via cpufreq debug layer 

enabled with CPU_FREQ_DEBUG

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Thomas Renninger 2007-10-31 15:41:42 +01:00 committed by Len Brown
parent b0b23e0ade
commit 919158d17b
1 changed files with 7 additions and 0 deletions
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7
drivers/acpi/processor_perflib.c
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@ -50,6 +50,10 @@ ACPI_MODULE_NAME("processor_perflib");
static DEFINE_MUTEX(performance_mutex); static DEFINE_MUTEX(performance_mutex);
/* Use cpufreq debug layer for _PPC changes. */
#define cpufreq_printk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, \
"cpufreq-core", msg)
/* /*
* _PPC support is implemented as a CPUfreq policy notifier: * _PPC support is implemented as a CPUfreq policy notifier:
* This means each time a CPUfreq driver registered also with * This means each time a CPUfreq driver registered also with
@ -131,6 +135,9 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr)
return -ENODEV; return -ENODEV;
} }
cpufreq_printk("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,
(int)ppc, ppc ? "" : "not");
pr->performance_platform_limit = (int)ppc; pr->performance_platform_limit = (int)ppc;
return 0; return 0;