pm_qos_sysfs_add_latency_tolerance   75 drivers/base/power/power.h extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
pm_qos_sysfs_add_latency_tolerance  898 drivers/base/power/qos.c 	ret = pm_qos_sysfs_add_latency_tolerance(dev);