kernel/power/qos.c

101 	int prev_value, curr_value, new_value;
132 	curr_value = pm_qos_get_value(c);
133 	pm_qos_set_value(c, curr_value);
137 	trace_pm_qos_update_target(action, prev_value, curr_value);
139 	if (prev_value == curr_value)
143 		blocking_notifier_call_chain(c->notifiers, curr_value, NULL);
179 	s32 prev_value, curr_value;
203 	curr_value = list_empty(&pqf->list) ? 0 : pqf->effective_flags;
207 	trace_pm_qos_update_flags(action, prev_value, curr_value);
209 	return prev_value != curr_value;