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path: root/drivers/cpuidle/sysfs.c
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Diffstat (limited to 'drivers/cpuidle/sysfs.c')
-rw-r--r--drivers/cpuidle/sysfs.c34
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index d6f5da61cb7d..61de64817604 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -27,14 +27,14 @@ static ssize_t show_available_governors(struct device *dev,
mutex_lock(&cpuidle_lock);
list_for_each_entry(tmp, &cpuidle_governors, governor_list) {
- if (i >= (ssize_t) (PAGE_SIZE - (CPUIDLE_NAME_LEN + 2)))
+ if (i >= (ssize_t)(PAGE_SIZE - (CPUIDLE_NAME_LEN + 2)))
goto out;
- i += scnprintf(&buf[i], CPUIDLE_NAME_LEN + 1, "%s ", tmp->name);
+ i += sysfs_emit_at(buf, i, "%.*s ", CPUIDLE_NAME_LEN, tmp->name);
}
out:
- i+= sprintf(&buf[i], "\n");
+ i += sysfs_emit_at(buf, i, "\n");
mutex_unlock(&cpuidle_lock);
return i;
}
@@ -49,9 +49,9 @@ static ssize_t show_current_driver(struct device *dev,
spin_lock(&cpuidle_driver_lock);
drv = cpuidle_get_driver();
if (drv)
- ret = sprintf(buf, "%s\n", drv->name);
+ ret = sysfs_emit(buf, "%s\n", drv->name);
else
- ret = sprintf(buf, "none\n");
+ ret = sysfs_emit(buf, "none\n");
spin_unlock(&cpuidle_driver_lock);
return ret;
@@ -65,9 +65,9 @@ static ssize_t show_current_governor(struct device *dev,
mutex_lock(&cpuidle_lock);
if (cpuidle_curr_governor)
- ret = sprintf(buf, "%s\n", cpuidle_curr_governor->name);
+ ret = sysfs_emit(buf, "%s\n", cpuidle_curr_governor->name);
else
- ret = sprintf(buf, "none\n");
+ ret = sysfs_emit(buf, "none\n");
mutex_unlock(&cpuidle_lock);
return ret;
@@ -230,7 +230,7 @@ static struct cpuidle_state_attr attr_##_name = __ATTR(_name, 0644, show, store)
static ssize_t show_state_##_name(struct cpuidle_state *state, \
struct cpuidle_state_usage *state_usage, char *buf) \
{ \
- return sprintf(buf, "%u\n", state->_name);\
+ return sysfs_emit(buf, "%u\n", state->_name);\
}
#define define_show_state_ull_function(_name) \
@@ -238,7 +238,7 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, \
struct cpuidle_state_usage *state_usage, \
char *buf) \
{ \
- return sprintf(buf, "%llu\n", state_usage->_name);\
+ return sysfs_emit(buf, "%llu\n", state_usage->_name);\
}
#define define_show_state_str_function(_name) \
@@ -247,8 +247,8 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, \
char *buf) \
{ \
if (state->_name[0] == '\0')\
- return sprintf(buf, "<null>\n");\
- return sprintf(buf, "%s\n", state->_name);\
+ return sysfs_emit(buf, "<null>\n");\
+ return sysfs_emit(buf, "%s\n", state->_name);\
}
#define define_show_state_time_function(_name) \
@@ -256,7 +256,7 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, \
struct cpuidle_state_usage *state_usage, \
char *buf) \
{ \
- return sprintf(buf, "%llu\n", ktime_to_us(state->_name##_ns)); \
+ return sysfs_emit(buf, "%llu\n", ktime_to_us(state->_name##_ns)); \
}
define_show_state_time_function(exit_latency)
@@ -273,14 +273,14 @@ static ssize_t show_state_time(struct cpuidle_state *state,
struct cpuidle_state_usage *state_usage,
char *buf)
{
- return sprintf(buf, "%llu\n", ktime_to_us(state_usage->time_ns));
+ return sysfs_emit(buf, "%llu\n", ktime_to_us(state_usage->time_ns));
}
static ssize_t show_state_disable(struct cpuidle_state *state,
struct cpuidle_state_usage *state_usage,
char *buf)
{
- return sprintf(buf, "%llu\n",
+ return sysfs_emit(buf, "%llu\n",
state_usage->disable & CPUIDLE_STATE_DISABLED_BY_USER);
}
@@ -310,7 +310,7 @@ static ssize_t show_state_default_status(struct cpuidle_state *state,
struct cpuidle_state_usage *state_usage,
char *buf)
{
- return sprintf(buf, "%s\n",
+ return sysfs_emit(buf, "%s\n",
state->flags & CPUIDLE_FLAG_OFF ? "disabled" : "enabled");
}
@@ -358,7 +358,7 @@ static ssize_t show_state_s2idle_##_name(struct cpuidle_state *state, \
struct cpuidle_state_usage *state_usage, \
char *buf) \
{ \
- return sprintf(buf, "%llu\n", state_usage->s2idle_##_name);\
+ return sysfs_emit(buf, "%llu\n", state_usage->s2idle_##_name);\
}
define_show_state_s2idle_ull_function(usage);
@@ -550,7 +550,7 @@ static ssize_t show_driver_name(struct cpuidle_driver *drv, char *buf)
ssize_t ret;
spin_lock(&cpuidle_driver_lock);
- ret = sprintf(buf, "%s\n", drv ? drv->name : "none");
+ ret = sysfs_emit(buf, "%s\n", drv ? drv->name : "none");
spin_unlock(&cpuidle_driver_lock);
return ret;