QMC_BD_RX_F
ctrl &= ~(QMC_BD_RX_L | QMC_BD_RX_F | QMC_BD_RX_LG | QMC_BD_RX_NO |
BUILD_BUG_ON(QMC_RX_FLAG_HDLC_FIRST != QMC_BD_RX_F);
ctrl & (QMC_BD_RX_L | QMC_BD_RX_F | QMC_BD_RX_LG |