IRQD_LEVEL
return __irqd_to_state(d) & IRQD_LEVEL;
IRQD_TRIGGER_MASK | IRQD_LEVEL);
irqd_set(&desc->irq_data, IRQD_LEVEL);
BIT_MASK_DESCR(IRQD_LEVEL),
irqd_clear(&desc->irq_data, IRQD_LEVEL);
irqd_set(&desc->irq_data, IRQD_LEVEL);