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PM / QoS: Prepare device structure for adding more constraint types

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Currently struct dev_pm_info contains only one PM QoS constraints
pointer reserved for latency requirements.  Since one more device
constraints type (i.e. flags) will be necessary, introduce a new
structure, struct dev_pm_qos, that eventually will contain all of
the available device PM QoS constraints and replace the "constraints"
pointer in struct dev_pm_info with a pointer to the new structure
called "qos".

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Jean Pihet <j-pihet@ti.com>
This commit is contained in:
Rafael J. Wysocki 2012-10-23 01:07:27 +02:00
parent 6f0c0580b7
commit 5f986c590f
3 changed files with 27 additions and 21 deletions
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4
include/linux/pm_qos.h
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@ -57,6 +57,10 @@ struct pm_qos_constraints {
struct blocking_notifier_head *notifiers;
};
struct dev_pm_qos {
struct pm_qos_constraints latency;
};
/* Action requested to pm_qos_update_target */
enum pm_qos_req_action {
PM_QOS_ADD_REQ, /* Add a new request */