B44_EMAC_ISTAT
bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
err = b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
return b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);