diff options
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 3ec6e7ff5fbd..963051a967d6 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -32,7 +32,15 @@ * CPUFREQ NOTIFIER INTERFACE * *********************************************************************/ +#ifdef CONFIG_CPU_FREQ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list); +#else +static inline int cpufreq_register_notifier(struct notifier_block *nb, + unsigned int list) +{ + return 0; +} +#endif int cpufreq_unregister_notifier(struct notifier_block *nb, unsigned int list); #define CPUFREQ_TRANSITION_NOTIFIER (0) @@ -260,17 +268,22 @@ struct freq_attr { int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu); int cpufreq_update_policy(unsigned int cpu); -/* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */ -unsigned int cpufreq_get(unsigned int cpu); -/* query the last known CPU freq (in kHz). If zero, cpufreq couldn't detect it */ +/* + * 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_get(unsigned int cpu); #else static inline unsigned int cpufreq_quick_get(unsigned int cpu) { return 0; } +static inline unsigned int cpufreq_get(unsigned int cpu) +{ + return 0; +} #endif |