RT2860_H2M_MAILBOX
RT2860_WRITE(sc, RT2860_H2M_MAILBOX, 0);
if (!(RT2860_READ(sc, RT2860_H2M_MAILBOX) & RT2860_H2M_BUSY))
RT2860_WRITE(sc, RT2860_H2M_MAILBOX,
RT2860_WRITE(sc, RT2860_H2M_MAILBOX, 0);