CN23XX_INTR_VF_MBOX
cn23xx->intr_mask64 |= CN23XX_INTR_VF_MBOX;
if (intr64 & CN23XX_INTR_VF_MBOX)
intr_val |= CN23XX_INTR_VF_MBOX;
intr_val &= ~CN23XX_INTR_VF_MBOX;