bt_inb
if (bt_inb(bt_bmc, BT_CTRL) & BT_CTRL_B_BUSY)
return bt_inb(bt_bmc, BT_BMC2HOST);
bt_inb(bt_bmc, BT_CTRL) & BT_CTRL_H2B_ATN))
if (unlikely(!(bt_inb(bt_bmc, BT_CTRL) & BT_CTRL_H2B_ATN))) {
!(bt_inb(bt_bmc, BT_CTRL) &
if (unlikely(bt_inb(bt_bmc, BT_CTRL) &
ctrl = bt_inb(bt_bmc, BT_CTRL);
if (!(bt_inb(bt_bmc, BT_CTRL) & BT_CTRL_B_BUSY))