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path: root/drivers/cpufreq/cpufreq_conservative.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c35
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 08515f7e515f..cce6a8d113e1 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -146,65 +146,64 @@ 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);
unsigned int input;
int ret;
- ret = sscanf(buf, "%u", &input);
+ ret = kstrtouint(buf, 0, &input);
- if (ret != 1 || input > MAX_SAMPLING_DOWN_FACTOR || input < 1)
+ if (ret || input > MAX_SAMPLING_DOWN_FACTOR || input < 1)
return -EINVAL;
dbs_data->sampling_down_factor = input;
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);
struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
unsigned int input;
int ret;
- ret = sscanf(buf, "%u", &input);
+ ret = kstrtouint(buf, 0, &input);
- if (ret != 1 || input > 100 || input <= cs_tuners->down_threshold)
+ if (ret || input > 100 || input <= cs_tuners->down_threshold)
return -EINVAL;
dbs_data->up_threshold = input;
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);
struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
unsigned int input;
int ret;
- ret = sscanf(buf, "%u", &input);
+ ret = kstrtouint(buf, 0, &input);
/* cannot be lower than 1 otherwise freq will not fall */
- if (ret != 1 || input < 1 || input > 100 ||
- input >= dbs_data->up_threshold)
+ if (ret || input < 1 || input >= dbs_data->up_threshold)
return -EINVAL;
cs_tuners->down_threshold = input;
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);
unsigned int input;
int ret;
- ret = sscanf(buf, "%u", &input);
- if (ret != 1)
- return -EINVAL;
+ ret = kstrtouint(buf, 0, &input);
+ if (ret)
+ return ret;
if (input > 1)
input = 1;
@@ -220,17 +219,17 @@ 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);
struct cs_dbs_tuners *cs_tuners = dbs_data->tuners;
unsigned int input;
int ret;
- ret = sscanf(buf, "%u", &input);
+ ret = kstrtouint(buf, 0, &input);
- if (ret != 1)
- return -EINVAL;
+ if (ret)
+ return ret;
if (input > 100)
input = 100;