R592_REG_MSC_IRQ_REMOVE
reg &= ~((R592_REG_MSC_IRQ_REMOVE | R592_REG_MSC_IRQ_INSERT) << 16);
reg |= (R592_REG_MSC_IRQ_REMOVE << 16);
if (irq_status & (R592_REG_MSC_IRQ_INSERT | R592_REG_MSC_IRQ_REMOVE)) {