TIMERn_IRQ_UF 103 drivers/clocksource/timer-efm32.c writel_relaxed(TIMERn_IRQ_UF, ddata->base + TIMERn_IFC); TIMERn_IRQ_UF 224 drivers/clocksource/timer-efm32.c writel_relaxed(TIMERn_IRQ_UF, base + TIMERn_IEN);