TIM_DIER_UIE
if (!regmap_test_bits(priv->regmap, TIM_DIER, TIM_DIER_UIE))
dier |= TIM_DIER_UIE;
dier &= (TIM_DIER_UIE | TIM_DIER_CC1IE | TIM_DIER_CC2IE | TIM_DIER_CC3IE | TIM_DIER_CC4IE);
TIM_DIER_UIE,