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PM / QoS: Resume device before exposing/hiding PM QoS flags

Lan Tianyu authored Nov 8, 2012 and Rafael J. Wysocki committed Nov 10, 2012

Since dev_pm_qos_add_request(), dev_pm_qos_update_request() and
dev_pm_qos_remove_request() for PM QoS flags should not be invoked
when device in RPM_SUSPENDED, add pm_runtime_get_sync() and pm_runtime_put()
around these functions in dev_pm_qos_expose_flags() and
dev_pm_qos_hide_flags().

[rjw: Modified the subject and changelog to better reflect the code
 changes made.]

Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

7e4d6844

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7e4d6844 Nov 8, 2012

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