cpufreq: use cpufreq_driver->flags to mark CPUFREQ_HAVE_GOVERNOR_PER_POLICY
Use cpufreq_driver->flags to mark CPUFREQ_HAVE_GOVERNOR_PER_POLICY instead of a separate field within cpufreq_driver. This will save some bytes of memory. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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6461f018e7
Коммит
0b981e7074
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@ -213,13 +213,13 @@ static struct freq_attr *bL_cpufreq_attr[] = {
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static struct cpufreq_driver bL_cpufreq_driver = {
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.name = "arm-big-little",
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.flags = CPUFREQ_STICKY,
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.flags = CPUFREQ_STICKY |
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CPUFREQ_HAVE_GOVERNOR_PER_POLICY,
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.verify = bL_cpufreq_verify_policy,
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.target = bL_cpufreq_set_target,
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.get = bL_cpufreq_get,
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.init = bL_cpufreq_init,
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.exit = bL_cpufreq_exit,
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.have_governor_per_policy = true,
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.attr = bL_cpufreq_attr,
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};
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@ -133,7 +133,7 @@ static DEFINE_MUTEX(cpufreq_governor_mutex);
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bool have_governor_per_policy(void)
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{
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return cpufreq_driver->have_governor_per_policy;
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return !!(cpufreq_driver->flags & CPUFREQ_HAVE_GOVERNOR_PER_POLICY);
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}
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EXPORT_SYMBOL_GPL(have_governor_per_policy);
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@ -191,7 +191,10 @@ struct common_dbs_data {
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struct attribute_group *attr_group_gov_sys; /* one governor - system */
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struct attribute_group *attr_group_gov_pol; /* one governor - policy */
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/* Common data for platforms that don't set have_governor_per_policy */
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/*
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* Common data for platforms that don't set
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* CPUFREQ_HAVE_GOVERNOR_PER_POLICY
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*/
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struct dbs_data *gdbs_data;
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struct cpu_dbs_common_info *(*get_cpu_cdbs)(int cpu);
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@ -180,13 +180,6 @@ __ATTR(_name, 0644, show_##_name, store_##_name)
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struct cpufreq_driver {
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char name[CPUFREQ_NAME_LEN];
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u8 flags;
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/*
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* This should be set by platforms having multiple clock-domains, i.e.
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* supporting multiple policies. With this sysfs directories of governor
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* would be created in cpu/cpu<num>/cpufreq/ directory and so they can
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* use the same governor with different tunables for different clusters.
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*/
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bool have_governor_per_policy;
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/* needed by all drivers */
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int (*init) (struct cpufreq_policy *policy);
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@ -220,6 +213,14 @@ struct cpufreq_driver {
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#define CPUFREQ_PM_NO_WARN (1 << 2) /* don't warn on suspend/resume
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speed mismatches */
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/*
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* This should be set by platforms having multiple clock-domains, i.e.
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* supporting multiple policies. With this sysfs directories of governor would
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* be created in cpu/cpu<num>/cpufreq/ directory and so they can use the same
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* governor with different tunables for different clusters.
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*/
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#define CPUFREQ_HAVE_GOVERNOR_PER_POLICY (1 << 3)
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int cpufreq_register_driver(struct cpufreq_driver *driver_data);
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int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
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