diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.h')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.h | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index e296362..bdb6e49 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -160,8 +160,44 @@ struct dbs_data { unsigned int sampling_rate; unsigned int sampling_down_factor; unsigned int up_threshold; + + struct kobject kobj; + /* Protect concurrent updates to governor tunables from sysfs */ + struct mutex mutex; +}; + +/* Governor's specific attributes */ +struct dbs_data; +struct governor_attr { + struct attribute attr; + ssize_t (*show)(struct dbs_data *dbs_data, char *buf); + ssize_t (*store)(struct dbs_data *dbs_data, const char *buf, + size_t count); }; +#define gov_show_one(_gov, file_name) \ +static ssize_t show_##file_name \ +(struct dbs_data *dbs_data, char *buf) \ +{ \ + struct _gov##_dbs_tuners *tuners = dbs_data->tuners; \ + return sprintf(buf, "%u\n", tuners->file_name); \ +} + +#define gov_show_one_common(file_name) \ +static ssize_t show_##file_name \ +(struct dbs_data *dbs_data, char *buf) \ +{ \ + return sprintf(buf, "%u\n", dbs_data->file_name); \ +} + +#define gov_attr_ro(_name) \ +static struct governor_attr _name = \ +__ATTR(_name, 0444, show_##_name, NULL) + +#define gov_attr_rw(_name) \ +static struct governor_attr _name = \ +__ATTR(_name, 0644, show_##_name, store_##_name) + /* Common to all CPUs of a policy */ struct policy_dbs_info { struct cpufreq_policy *policy; @@ -236,8 +272,7 @@ struct dbs_governor { #define GOV_ONDEMAND 0 #define GOV_CONSERVATIVE 1 int governor; - struct attribute_group *attr_group_gov_sys; /* one governor - system */ - struct attribute_group *attr_group_gov_pol; /* one governor - policy */ + struct kobj_type kobj_type; /* * Common data for platforms that don't set |
