MWL8K_HIU_INT_CODE
ioread32(priv->regs + MWL8K_HIU_INT_CODE);
iowrite32(0, regs + MWL8K_HIU_INT_CODE);
int_code = ioread32(regs + MWL8K_HIU_INT_CODE);
iowrite32(0, regs + MWL8K_HIU_INT_CODE);
ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE);