IPR_PCII_IPL_STAGE_CHANGE
if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) {
writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg);
maskval = IPR_PCII_IPL_STAGE_CHANGE;
maskval = IPR_PCII_IPL_STAGE_CHANGE;