GT641XX_IRQ_TO_BIT
cause &= ~GT641XX_IRQ_TO_BIT(d->irq);
mask &= ~GT641XX_IRQ_TO_BIT(d->irq);
mask &= ~GT641XX_IRQ_TO_BIT(d->irq);
cause &= ~GT641XX_IRQ_TO_BIT(d->irq);
mask |= GT641XX_IRQ_TO_BIT(d->irq);