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-rw-r--r--kernel/power/qos.c73
1 files changed, 2 insertions, 71 deletions
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 83edf8698118..d932fa42e8e4 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -137,69 +137,6 @@ static inline void pm_qos_set_value(struct pm_qos_constraints *c, s32 value)
c->target_value = value;
}
-static int pm_qos_debug_show(struct seq_file *s, void *unused)
-{
- struct pm_qos_object *qos = (struct pm_qos_object *)s->private;
- struct pm_qos_constraints *c;
- struct pm_qos_request *req;
- char *type;
- unsigned long flags;
- int tot_reqs = 0;
- int active_reqs = 0;
-
- if (IS_ERR_OR_NULL(qos)) {
- pr_err("%s: bad qos param!\n", __func__);
- return -EINVAL;
- }
- c = qos->constraints;
- if (IS_ERR_OR_NULL(c)) {
- pr_err("%s: Bad constraints on qos?\n", __func__);
- return -EINVAL;
- }
-
- /* Lock to ensure we have a snapshot */
- spin_lock_irqsave(&pm_qos_lock, flags);
- if (plist_head_empty(&c->list)) {
- seq_puts(s, "Empty!\n");
- goto out;
- }
-
- switch (c->type) {
- case PM_QOS_MIN:
- type = "Minimum";
- break;
- case PM_QOS_MAX:
- type = "Maximum";
- break;
- case PM_QOS_SUM:
- type = "Sum";
- break;
- default:
- type = "Unknown";
- }
-
- plist_for_each_entry(req, &c->list, node) {
- char *state = "Default";
-
- if ((req->node).prio != c->default_value) {
- active_reqs++;
- state = "Active";
- }
- tot_reqs++;
- seq_printf(s, "%d: %d: %s\n", tot_reqs,
- (req->node).prio, state);
- }
-
- seq_printf(s, "Type=%s, Value=%d, Requests: active=%d / total=%d\n",
- type, pm_qos_get_value(c), active_reqs, tot_reqs);
-
-out:
- spin_unlock_irqrestore(&pm_qos_lock, flags);
- return 0;
-}
-
-DEFINE_SHOW_ATTRIBUTE(pm_qos_debug);
-
/**
* pm_qos_update_target - manages the constraints list and calls the notifiers
* if needed
@@ -529,15 +466,12 @@ int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier)
EXPORT_SYMBOL_GPL(pm_qos_remove_notifier);
/* User space interface to PM QoS classes via misc devices */
-static int register_pm_qos_misc(struct pm_qos_object *qos, struct dentry *d)
+static int register_pm_qos_misc(struct pm_qos_object *qos)
{
qos->pm_qos_power_miscdev.minor = MISC_DYNAMIC_MINOR;
qos->pm_qos_power_miscdev.name = qos->name;
qos->pm_qos_power_miscdev.fops = &pm_qos_power_fops;
- debugfs_create_file(qos->name, S_IRUGO, d, (void *)qos,
- &pm_qos_debug_fops);
-
return misc_register(&qos->pm_qos_power_miscdev);
}
@@ -631,14 +565,11 @@ static int __init pm_qos_power_init(void)
{
int ret = 0;
int i;
- struct dentry *d;
BUILD_BUG_ON(ARRAY_SIZE(pm_qos_array) != PM_QOS_NUM_CLASSES);
- d = debugfs_create_dir("pm_qos", NULL);
-
for (i = PM_QOS_CPU_DMA_LATENCY; i < PM_QOS_NUM_CLASSES; i++) {
- ret = register_pm_qos_misc(pm_qos_array[i], d);
+ ret = register_pm_qos_misc(pm_qos_array[i]);
if (ret < 0) {
pr_err("%s: %s setup failed\n",
__func__, pm_qos_array[i]->name);