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);