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8dbaea2b3d
In 3.10.y backport patch 1dba303727,
the logic to call pm_qos_update_target was moved to __pm_qos_update_request.
However, the original code was left in function pm_qos_update_request.
Currently, if pm_qos_update_request is called where new_value !=
req->node.prio then pm_qos_update_target will be called twice in a row.
Once in pm_qos_update_request and then again in the following call to
_pm_qos_update_request.
Removing the left over code from pm_qos_update_request stops this second
call to pm_qos_update_target where the work of removing / re-adding the
new_value in the constraints list would be duplicated.
Signed-off-by: Michael Scott <michael.scott@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>