diff options
| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-03-13 19:18:39 -0400 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2012-03-14 14:45:03 -0400 |
| commit | a7b422cda5084db7265c3b23310a959b43b47529 (patch) | |
| tree | 32cb3e1dbde6b23814cc4e9c432db92754e89679 /include/linux/cpufreq.h | |
| parent | 562a6cbe1cf2edf0a87a659eb26095400322430e (diff) | |
| download | lwn-a7b422cda5084db7265c3b23310a959b43b47529.tar.gz lwn-a7b422cda5084db7265c3b23310a959b43b47529.zip | |
provide disable_cpufreq() function to disable the API.
useful for disabling cpufreq altogether. The cpu frequency
scaling drivers and cpu frequency governors will fail to register.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 6216115c7789..8ff442753c75 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -35,6 +35,7 @@ #ifdef CONFIG_CPU_FREQ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list); int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list); +extern void disable_cpufreq(void); #else /* CONFIG_CPU_FREQ */ static inline int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list) @@ -46,6 +47,7 @@ static inline int cpufreq_unregister_notifier(struct notifier_block *nb, { return 0; } +static inline void disable_cpufreq(void) { } #endif /* CONFIG_CPU_FREQ */ /* if (cpufreq_driver->target) exists, the ->governor decides what frequency |