TIMER_CTL_ENABLE   20 drivers/clocksource/timer-sprd.c #define TIMER_CTL_ENABLE	BIT(1)
TIMER_CTL_ENABLE   33 drivers/clocksource/timer-sun4i.c #define TIMER_CTL_ENABLE		BIT(0)
TIMER_CTL_ENABLE   30 drivers/clocksource/timer-sun5i.c #define TIMER_CTL_ENABLE			BIT(0)