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Subject[PATCH 03/28] PM: QoS: Drop the PM_QOS_SUM QoS type
Date
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>

The PM_QOS_SUM QoS type is not used, so drop it along with the
code referring to it in pm_qos_get_value() and the related local
variables in there.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
include/linux/pm_qos.h | 1 -
kernel/power/qos.c | 9 ---------
2 files changed, 10 deletions(-)

diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 4747bdb6bed2..48bfb96a9360 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -53,7 +53,6 @@ enum pm_qos_type {
PM_QOS_UNITIALIZED,
PM_QOS_MAX, /* return the largest value */
PM_QOS_MIN, /* return the smallest value */
- PM_QOS_SUM /* return the sum */
};

/*
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 67dab7f330e4..a6be7faa1974 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -101,9 +101,6 @@ static const struct file_operations pm_qos_power_fops = {
/* unlocked internal variant */
static inline int pm_qos_get_value(struct pm_qos_constraints *c)
{
- struct plist_node *node;
- int total_value = 0;
-
if (plist_head_empty(&c->list))
return c->no_constraint_value;

@@ -114,12 +111,6 @@ static inline int pm_qos_get_value(struct pm_qos_constraints *c)
case PM_QOS_MAX:
return plist_last(&c->list)->prio;

- case PM_QOS_SUM:
- plist_for_each(node, &c->list)
- total_value += node->prio;
-
- return total_value;
-
default:
/* runtime check for not using enum */
BUG();
--
2.16.4




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