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ACPI: fix unused function warning

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CONFIG_ACPI_PROCFS=n:

drivers/acpi/processor_idle.c:83: warning: 'us_to_pm_timer_ticks' defined but not used.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
KOSAKI Motohiro 2010-07-20 15:18:35 -07:00 committed by Len Brown
parent f4b23cc2d5
commit 6c9c0fd062
1 changed files with 3 additions and 0 deletions
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3
drivers/acpi/processor_idle.c
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@ -80,10 +80,13 @@ module_param(nocst, uint, 0000);
static unsigned int latency_factor __read_mostly = 2;
module_param(latency_factor, uint, 0644);
#ifdef CONFIG_ACPI_PROCFS
static u64 us_to_pm_timer_ticks(s64 t)
{
return div64_u64(t * PM_TIMER_FREQUENCY, 1000000);
}
#endif
/*
* IBM ThinkPad R40e crashes mysteriously when going into C2 or C3.
* For now disable this. Probably a bug somewhere else.