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cpufreq: expose a cpufreq_quick_get_max routine

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This allows drivers and other code to get the max reported CPU frequency.
Initial use is for scaling ring frequency with GPU frequency in the i915
driver.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Jesse Barnes
2011-06-28 10:59:12 -07:00
committed by Keith Packard
parent 6ae77e6b6a
commit 3d73710880
2 changed files with 25 additions and 0 deletions
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5
include/linux/cpufreq.h
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@@ -324,11 +324,16 @@ static inline unsigned int cpufreq_get(unsigned int cpu)
/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */
#ifdef CONFIG_CPU_FREQ
unsigned int cpufreq_quick_get(unsigned int cpu);
unsigned int cpufreq_quick_get_max(unsigned int cpu);
#else
static inline unsigned int cpufreq_quick_get(unsigned int cpu)
{
return 0;
}
static inline unsigned int cpufreq_quick_get_max(unsigned int cpu)
{
return 0;
}
#endif