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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-03-14 00:18:39 +0100 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-03-20 20:31:28 +0100 |
| commit | 448c8b1d07d5342922567e138a4b0108a42c24fb (patch) | |
| tree | f995179c7a4afbe3eab6ed30e0d4d33eab5d967d /include | |
| parent | xen kconfig: relax INPUT_XEN_KBDDEV_FRONTEND deps (diff) | |
| download | linux-448c8b1d07d5342922567e138a4b0108a42c24fb.tar.xz linux-448c8b1d07d5342922567e138a4b0108a42c24fb.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')
| -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 |