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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.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index 38ef770be90d..cdeedbf02646 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -142,6 +142,7 @@ static struct attribute_group cpuidle_attr_group = {
/**
* cpuidle_add_interface - add CPU global sysfs attributes
+ * @dev: the target device
*/
int cpuidle_add_interface(struct device *dev)
{
@@ -153,6 +154,7 @@ int cpuidle_add_interface(struct device *dev)
/**
* cpuidle_remove_interface - remove CPU global sysfs attributes
+ * @dev: the target device
*/
void cpuidle_remove_interface(struct device *dev)
{
@@ -327,6 +329,14 @@ static ssize_t store_state_disable(struct cpuidle_state *state,
return size;
}
+static ssize_t show_state_default_status(struct cpuidle_state *state,
+ struct cpuidle_state_usage *state_usage,
+ char *buf)
+{
+ return sprintf(buf, "%s\n",
+ state->flags & CPUIDLE_FLAG_OFF ? "disabled" : "enabled");
+}
+
define_one_state_ro(name, show_state_name);
define_one_state_ro(desc, show_state_desc);
define_one_state_ro(latency, show_state_exit_latency);
@@ -337,6 +347,7 @@ define_one_state_ro(time, show_state_time);
define_one_state_rw(disable, show_state_disable, store_state_disable);
define_one_state_ro(above, show_state_above);
define_one_state_ro(below, show_state_below);
+define_one_state_ro(default_status, show_state_default_status);
static struct attribute *cpuidle_state_default_attrs[] = {
&attr_name.attr,
@@ -349,6 +360,7 @@ static struct attribute *cpuidle_state_default_attrs[] = {
&attr_disable.attr,
&attr_above.attr,
&attr_below.attr,
+ &attr_default_status.attr,
NULL
};
@@ -615,7 +627,7 @@ static struct kobj_type ktype_driver_cpuidle = {
/**
* cpuidle_add_driver_sysfs - adds the driver name sysfs attribute
- * @device: the target device
+ * @dev: the target device
*/
static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev)
{
@@ -646,7 +658,7 @@ static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev)
/**
* cpuidle_remove_driver_sysfs - removes the driver name sysfs attribute
- * @device: the target device
+ * @dev: the target device
*/
static void cpuidle_remove_driver_sysfs(struct cpuidle_device *dev)
{