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| author |   Viresh Kumar <viresh.kumar@linaro.org> | 2014-03-04 11:00:27 +0800 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-03-06 15:04:12 +0100 |
| commit | e28867eab7c0a60cddf0cb59f9f6cbbd9561425d (patch) | |
| tree | 1391897d0eefb9464ec762538f8f7307079192f1 /include/linux/cpufreq.h | |
| parent | cpufreq: suspend governors on system suspend/hibernate (diff) | |
| download | linux-dev-e28867eab7c0a60cddf0cb59f9f6cbbd9561425d.tar.xz linux-dev-e28867eab7c0a60cddf0cb59f9f6cbbd9561425d.zip | |
cpufreq: Implement cpufreq_generic_suspend()
Multiple platforms need to set CPUs to a particular frequency before
suspending the system, so provide a common infrastructure for them.
Those platforms only need to point their ->suspend callback pointers
to the generic routine.
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 94ed907c6999..325bab04271b 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -74,6 +74,8 @@ struct cpufreq_policy { unsigned int max; /* in kHz */ unsigned int cur; /* in kHz, only needed if cpufreq * governors are used */ + unsigned int suspend_freq; /* freq to set during suspend */ + unsigned int policy; /* see above */ struct cpufreq_governor *governor; /* see below */ void *governor_data; @@ -299,6 +301,7 @@ cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy) #ifdef CONFIG_CPU_FREQ void cpufreq_suspend(void); void cpufreq_resume(void); +int cpufreq_generic_suspend(struct cpufreq_policy *policy); #else static inline void cpufreq_suspend(void) {} static inline void cpufreq_resume(void) {} |