cpufreq: governor: Create generic macro for common tunables
Some tunables are present in governor-specific structures, whereas one (min_sampling_rate) is located directly in struct dbs_data. There is a special macro for creating its sysfs attribute and the show/store callbacks, but since more tunables are going to be moved to struct dbs_data, a new generic macro for such cases will be useful, so add it and use it for min_sampling_rate. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Tested-by: Juri Lelli <juri.lelli@arm.com> Tested-by: Shilpasri G Bhat <shilpa.bhat@linux.vnet.ibm.com> [ rjw: Subject & changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -245,7 +245,7 @@ show_store_one(cs, up_threshold);
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show_store_one(cs, down_threshold);
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show_store_one(cs, ignore_nice_load);
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show_store_one(cs, freq_step);
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declare_show_sampling_rate_min(cs);
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show_one_common(cs, min_sampling_rate);
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gov_sys_pol_attr_rw(sampling_rate);
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gov_sys_pol_attr_rw(sampling_down_factor);
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@ -253,10 +253,10 @@ gov_sys_pol_attr_rw(up_threshold);
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gov_sys_pol_attr_rw(down_threshold);
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gov_sys_pol_attr_rw(ignore_nice_load);
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gov_sys_pol_attr_rw(freq_step);
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gov_sys_pol_attr_ro(sampling_rate_min);
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gov_sys_pol_attr_ro(min_sampling_rate);
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static struct attribute *dbs_attributes_gov_sys[] = {
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&sampling_rate_min_gov_sys.attr,
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&min_sampling_rate_gov_sys.attr,
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&sampling_rate_gov_sys.attr,
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&sampling_down_factor_gov_sys.attr,
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&up_threshold_gov_sys.attr,
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@ -272,7 +272,7 @@ static struct attribute_group cs_attr_group_gov_sys = {
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};
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static struct attribute *dbs_attributes_gov_pol[] = {
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&sampling_rate_min_gov_pol.attr,
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&min_sampling_rate_gov_pol.attr,
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&sampling_rate_gov_pol.attr,
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&sampling_down_factor_gov_pol.attr,
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&up_threshold_gov_pol.attr,
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@ -110,6 +110,26 @@ static ssize_t store_##file_name##_gov_pol \
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show_one(_gov, file_name); \
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store_one(_gov, file_name)
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#define show_one_common(_gov, file_name) \
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static ssize_t show_##file_name##_gov_sys \
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(struct kobject *kobj, struct attribute *attr, char *buf) \
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{ \
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struct dbs_data *dbs_data = _gov##_dbs_gov.gdbs_data; \
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return sprintf(buf, "%u\n", dbs_data->file_name); \
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} \
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\
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static ssize_t show_##file_name##_gov_pol \
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(struct cpufreq_policy *policy, char *buf) \
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{ \
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struct policy_dbs_info *policy_dbs = policy->governor_data; \
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struct dbs_data *dbs_data = policy_dbs->dbs_data; \
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return sprintf(buf, "%u\n", dbs_data->file_name); \
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}
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#define show_store_one_common(_gov, file_name) \
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show_one_common(_gov, file_name); \
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store_one(_gov, file_name)
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/* create helper routines */
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#define define_get_cpu_dbs_routines(_dbs_info) \
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static struct cpu_dbs_info *get_cpu_cdbs(int cpu) \
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@ -264,22 +284,6 @@ static inline int delay_for_sampling_rate(unsigned int sampling_rate)
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return delay;
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}
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#define declare_show_sampling_rate_min(_gov) \
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static ssize_t show_sampling_rate_min_gov_sys \
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(struct kobject *kobj, struct attribute *attr, char *buf) \
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{ \
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struct dbs_data *dbs_data = _gov##_dbs_gov.gdbs_data; \
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return sprintf(buf, "%u\n", dbs_data->min_sampling_rate); \
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} \
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\
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static ssize_t show_sampling_rate_min_gov_pol \
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(struct cpufreq_policy *policy, char *buf) \
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{ \
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struct policy_dbs_info *policy_dbs = policy->governor_data; \
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struct dbs_data *dbs_data = policy_dbs->dbs_data; \
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return sprintf(buf, "%u\n", dbs_data->min_sampling_rate); \
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}
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extern struct mutex dbs_data_mutex;
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extern struct mutex cpufreq_governor_lock;
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void dbs_check_cpu(struct cpufreq_policy *policy);
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@ -443,7 +443,7 @@ show_store_one(od, up_threshold);
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show_store_one(od, sampling_down_factor);
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show_store_one(od, ignore_nice_load);
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show_store_one(od, powersave_bias);
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declare_show_sampling_rate_min(od);
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show_one_common(od, min_sampling_rate);
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gov_sys_pol_attr_rw(sampling_rate);
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gov_sys_pol_attr_rw(io_is_busy);
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@ -451,10 +451,10 @@ gov_sys_pol_attr_rw(up_threshold);
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gov_sys_pol_attr_rw(sampling_down_factor);
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gov_sys_pol_attr_rw(ignore_nice_load);
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gov_sys_pol_attr_rw(powersave_bias);
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gov_sys_pol_attr_ro(sampling_rate_min);
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gov_sys_pol_attr_ro(min_sampling_rate);
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static struct attribute *dbs_attributes_gov_sys[] = {
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&sampling_rate_min_gov_sys.attr,
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&min_sampling_rate_gov_sys.attr,
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&sampling_rate_gov_sys.attr,
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&up_threshold_gov_sys.attr,
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&sampling_down_factor_gov_sys.attr,
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@ -470,7 +470,7 @@ static struct attribute_group od_attr_group_gov_sys = {
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};
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static struct attribute *dbs_attributes_gov_pol[] = {
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&sampling_rate_min_gov_pol.attr,
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&min_sampling_rate_gov_pol.attr,
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&sampling_rate_gov_pol.attr,
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&up_threshold_gov_pol.attr,
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&sampling_down_factor_gov_pol.attr,
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