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PM / QoS: Add no_constraints_value field to struct pm_qos_constraints

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Add a new field, no_constraints_value, to struct pm_qos_constraints
representing a list of PM QoS constraint requests to be returned by
pm_qos_get_value() when that list of requests is empty.

That field will be equal to default_value for all of the existing
global PM QoS classes and for the resume latency device PM QoS type,
but it will be different from default_value for the new latency
tolerance device PM QoS type introduced by the next changeset.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki
2014-02-11 00:35:29 +01:00
parent b02f6695f7
commit 327adaedf2
3 changed files with 6 additions and 1 deletions
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include/linux/pm_qos.h
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@@ -77,6 +77,7 @@ struct pm_qos_constraints {
struct plist_head list;
s32 target_value; /* Do not change to 64 bit */
s32 default_value;
s32 no_constraint_value;
enum pm_qos_type type;
struct blocking_notifier_head *notifiers;
};