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author | Rafael J. Wysocki <rjw@rjwysocki.net> | 2013-10-26 00:36:40 +0400 |
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committer | Rafael J. Wysocki <rjw@rjwysocki.net> | 2013-10-26 00:36:40 +0400 |
commit | 6ddee424fea2d269c2f402278d93165c7b92dc58 (patch) | |
tree | c1b1d0d9058846a6da22def648dea61e16faacd0 /include/linux/cpufreq.h | |
parent | e4db1c7439b31993a4886b273bb9235a8eea82bf (diff) | |
parent | a814613b9a32d9ab9578d9dab396265c826d37f0 (diff) | |
download | linux-6ddee424fea2d269c2f402278d93165c7b92dc58.tar.xz |
Merge back earlier 'pm-cpufreq' material.
Conflicts:
drivers/cpufreq/omap-cpufreq.c
Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r-- | include/linux/cpufreq.h | 50 |
1 files changed, 36 insertions, 14 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index fcabc42d66ab..0aba2a6cadaf 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -180,13 +180,6 @@ __ATTR(_name, 0644, show_##_name, store_##_name) struct cpufreq_driver { char name[CPUFREQ_NAME_LEN]; u8 flags; - /* - * This should be set by platforms having multiple clock-domains, i.e. - * supporting multiple policies. With this sysfs directories of governor - * would be created in cpu/cpu<num>/cpufreq/ directory and so they can - * use the same governor with different tunables for different clusters. - */ - bool have_governor_per_policy; /* needed by all drivers */ int (*init) (struct cpufreq_policy *policy); @@ -211,13 +204,22 @@ struct cpufreq_driver { }; /* flags */ -#define CPUFREQ_STICKY 0x01 /* the driver isn't removed even if - * all ->init() calls failed */ -#define CPUFREQ_CONST_LOOPS 0x02 /* loops_per_jiffy or other kernel - * "constants" aren't affected by - * frequency transitions */ -#define CPUFREQ_PM_NO_WARN 0x04 /* don't warn on suspend/resume speed - * mismatches */ +#define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if + all ->init() calls failed */ +#define CPUFREQ_CONST_LOOPS (1 << 1) /* loops_per_jiffy or other + kernel "constants" aren't + affected by frequency + transitions */ +#define CPUFREQ_PM_NO_WARN (1 << 2) /* don't warn on suspend/resume + speed mismatches */ + +/* + * This should be set by platforms having multiple clock-domains, i.e. + * supporting multiple policies. With this sysfs directories of governor would + * be created in cpu/cpu<num>/cpufreq/ directory and so they can use the same + * governor with different tunables for different clusters. + */ +#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY (1 << 3) int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); @@ -240,6 +242,13 @@ static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, return; } +static inline void +cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy) +{ + cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, + policy->cpuinfo.max_freq); +} + /********************************************************************* * CPUFREQ NOTIFIER INTERFACE * *********************************************************************/ @@ -392,6 +401,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy, int cpufreq_frequency_table_verify(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table); +int cpufreq_generic_frequency_table_verify(struct cpufreq_policy *policy); int cpufreq_frequency_table_target(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, @@ -407,8 +417,20 @@ struct cpufreq_frequency_table *cpufreq_frequency_get_table(unsigned int cpu); /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; +extern struct freq_attr *cpufreq_generic_attr[]; void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table, unsigned int cpu); void cpufreq_frequency_table_put_attr(unsigned int cpu); +int cpufreq_table_validate_and_show(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *table); + +int cpufreq_generic_init(struct cpufreq_policy *policy, + struct cpufreq_frequency_table *table, + unsigned int transition_latency); +static inline int cpufreq_generic_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + return 0; +} #endif /* _LINUX_CPUFREQ_H */ |