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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.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index eb20adb5de23..2bb2683b493c 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -334,6 +334,7 @@ struct cpuidle_state_kobj {
struct cpuidle_state_usage *state_usage;
struct completion kobj_unregister;
struct kobject kobj;
+ struct cpuidle_device *device;
};
#ifdef CONFIG_SUSPEND
@@ -391,6 +392,7 @@ static inline void cpuidle_remove_s2idle_attr_group(struct cpuidle_state_kobj *k
#define kobj_to_state_obj(k) container_of(k, struct cpuidle_state_kobj, kobj)
#define kobj_to_state(k) (kobj_to_state_obj(k)->state)
#define kobj_to_state_usage(k) (kobj_to_state_obj(k)->state_usage)
+#define kobj_to_device(k) (kobj_to_state_obj(k)->device)
#define attr_to_stateattr(a) container_of(a, struct cpuidle_state_attr, attr)
static ssize_t cpuidle_state_show(struct kobject *kobj, struct attribute *attr,
@@ -414,10 +416,14 @@ static ssize_t cpuidle_state_store(struct kobject *kobj, struct attribute *attr,
struct cpuidle_state *state = kobj_to_state(kobj);
struct cpuidle_state_usage *state_usage = kobj_to_state_usage(kobj);
struct cpuidle_state_attr *cattr = attr_to_stateattr(attr);
+ struct cpuidle_device *dev = kobj_to_device(kobj);
if (cattr->store)
ret = cattr->store(state, state_usage, buf, size);
+ /* reset poll time cache */
+ dev->poll_limit_ns = 0;
+
return ret;
}
@@ -468,6 +474,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device)
}
kobj->state = &drv->states[i];
kobj->state_usage = &device->states_usage[i];
+ kobj->device = device;
init_completion(&kobj->kobj_unregister);
ret = kobject_init_and_add(&kobj->kobj, &ktype_state_cpuidle,