clocksource_unregister
clocksource_unregister(&clocksource_tsc_early);
clocksource_unregister(&clocksource_tsc_early);
clocksource_unregister(&clocksource_tsc_early);
clocksource_unregister(&clocksource_uv);
clocksource_unregister(&ost->cs);
clocksource_unregister(&tcu->cs);
clocksource_unregister(&data->clksrc);
clocksource_unregister(&clksrc);
clocksource_unregister(&pit->cs);
clocksource_unregister(&stm_timer->cs);
clocksource_unregister(&cs->clksrc);
clocksource_unregister(&st->clksrc);
clocksource_unregister(&st->clksrc);
clocksource_unregister(&tegra->osc);
clocksource_unregister(&tegra->tsc);
clocksource_unregister(&tegra->usec);
clocksource_unregister(&tegra->osc);
clocksource_unregister(&tegra->tsc);
extern int clocksource_unregister(struct clocksource*);
clocksource_unregister(&clocksource_wdtest_jiffies);
clocksource_unregister(&clocksource_wdtest_ktime);
clocksource_unregister(&clocksource_wdtest_ktime);
EXPORT_SYMBOL(clocksource_unregister);