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cpufreq: unify show() and store() naming and use __ATTR_XX

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Usually, sysfs attributes have .show and .store and their naming
convention is filename_show() and filename_store().

But in cpufreq the naming convention of these functions is
show_filename() and store_filename() which prevents __ATTR_RW() and
__ATTR_RO() from being used in there to simplify code.

Accordingly, change the naming convention of the sysfs .show and
.store methods in cpufreq to follow the one expected by __ATTR_RW()
and __ATTR_RO() and use these macros in that code.

Signed-off-by: Lianjie Zhang <zhanglianjie@uniontech.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Lianjie Zhang 2022-03-10 22:38:30 +08:00 committed by Rafael J. Wysocki
parent 075c3c483c
commit 85750bcd48
4 changed files with 18 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/cpufreq/cpufreq_conservative.c
View File

@ -146,7 +146,7 @@ static unsigned int cs_dbs_update(struct cpufreq_policy *policy)
/************************** sysfs interface ************************/
static ssize_t store_sampling_down_factor(struct gov_attr_set *attr_set,
static ssize_t sampling_down_factor_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -161,7 +161,7 @@ static ssize_t store_sampling_down_factor(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_up_threshold(struct gov_attr_set *attr_set,
static ssize_t up_threshold_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -177,7 +177,7 @@ static ssize_t store_up_threshold(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_down_threshold(struct gov_attr_set *attr_set,
static ssize_t down_threshold_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -195,7 +195,7 @@ static ssize_t store_down_threshold(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_ignore_nice_load(struct gov_attr_set *attr_set,
static ssize_t ignore_nice_load_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -220,7 +220,7 @@ static ssize_t store_ignore_nice_load(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_freq_step(struct gov_attr_set *attr_set, const char *buf,
static ssize_t freq_step_store(struct gov_attr_set *attr_set, const char *buf,
size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);

6
drivers/cpufreq/cpufreq_governor.c
View File

@ -27,7 +27,7 @@ static DEFINE_MUTEX(gov_dbs_data_mutex);
/* Common sysfs tunables */
/*
* store_sampling_rate - update sampling rate effective immediately if needed.
* sampling_rate_store - update sampling rate effective immediately if needed.
*
* If new rate is smaller than the old, simply updating
* dbs.sampling_rate might not be appropriate. For example, if the
@ -41,7 +41,7 @@ static DEFINE_MUTEX(gov_dbs_data_mutex);
* This must be called with dbs_data->mutex held, otherwise traversing
* policy_dbs_list isn't safe.
*/
ssize_t store_sampling_rate(struct gov_attr_set *attr_set, const char *buf,
ssize_t sampling_rate_store(struct gov_attr_set *attr_set, const char *buf,
size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -80,7 +80,7 @@ ssize_t store_sampling_rate(struct gov_attr_set *attr_set, const char *buf,
return count;
}
EXPORT_SYMBOL_GPL(store_sampling_rate);
EXPORT_SYMBOL_GPL(sampling_rate_store);
/**
* gov_update_cpu_data - Update CPU load data.

12
drivers/cpufreq/cpufreq_governor.h
View File

@ -51,7 +51,7 @@ static inline struct dbs_data *to_dbs_data(struct gov_attr_set *attr_set)
}
#define gov_show_one(_gov, file_name) \
static ssize_t show_##file_name \
static ssize_t file_name##_show \
(struct gov_attr_set *attr_set, char *buf) \
{ \
struct dbs_data *dbs_data = to_dbs_data(attr_set); \
@ -60,7 +60,7 @@ static ssize_t show_##file_name \
}
#define gov_show_one_common(file_name) \
static ssize_t show_##file_name \
static ssize_t file_name##_show \
(struct gov_attr_set *attr_set, char *buf) \
{ \
struct dbs_data *dbs_data = to_dbs_data(attr_set); \
@ -68,12 +68,10 @@ static ssize_t show_##file_name \
}
#define gov_attr_ro(_name) \
static struct governor_attr _name = \
__ATTR(_name, 0444, show_##_name, NULL)
static struct governor_attr _name = __ATTR_RO(_name)
#define gov_attr_rw(_name) \
static struct governor_attr _name = \
__ATTR(_name, 0644, show_##_name, store_##_name)
static struct governor_attr _name = __ATTR_RW(_name)
/* Common to all CPUs of a policy */
struct policy_dbs_info {
@ -176,7 +174,7 @@ void od_register_powersave_bias_handler(unsigned int (*f)
(struct cpufreq_policy *, unsigned int, unsigned int),
unsigned int powersave_bias);
void od_unregister_powersave_bias_handler(void);
ssize_t store_sampling_rate(struct gov_attr_set *attr_set, const char *buf,
ssize_t sampling_rate_store(struct gov_attr_set *attr_set, const char *buf,
size_t count);
void gov_update_cpu_data(struct dbs_data *dbs_data);
#endif /* _CPUFREQ_GOVERNOR_H */

10
drivers/cpufreq/cpufreq_ondemand.c
View File

@ -202,7 +202,7 @@ static unsigned int od_dbs_update(struct cpufreq_policy *policy)
/************************** sysfs interface ************************/
static struct dbs_governor od_dbs_gov;
static ssize_t store_io_is_busy(struct gov_attr_set *attr_set, const char *buf,
static ssize_t io_is_busy_store(struct gov_attr_set *attr_set, const char *buf,
size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -220,7 +220,7 @@ static ssize_t store_io_is_busy(struct gov_attr_set *attr_set, const char *buf,
return count;
}
static ssize_t store_up_threshold(struct gov_attr_set *attr_set,
static ssize_t up_threshold_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -237,7 +237,7 @@ static ssize_t store_up_threshold(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_sampling_down_factor(struct gov_attr_set *attr_set,
static ssize_t sampling_down_factor_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -265,7 +265,7 @@ static ssize_t store_sampling_down_factor(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_ignore_nice_load(struct gov_attr_set *attr_set,
static ssize_t ignore_nice_load_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);
@ -290,7 +290,7 @@ static ssize_t store_ignore_nice_load(struct gov_attr_set *attr_set,
return count;
}
static ssize_t store_powersave_bias(struct gov_attr_set *attr_set,
static ssize_t powersave_bias_store(struct gov_attr_set *attr_set,
const char *buf, size_t count)
{
struct dbs_data *dbs_data = to_dbs_data(attr_set);