ISYS_UNISPART_IRQS
irqs = ISYS_UNISPART_IRQS;
writel(ISYS_UNISPART_IRQS & ~IPU6_ISYS_UNISPART_IRQ_SW,
writel(ISYS_UNISPART_IRQS, base + IPU6_REG_ISYS_UNISPART_IRQ_MASK);