transmit_empty 64 drivers/usb/serial/ftdi_sio.c char transmit_empty; /* If transmitter is empty or not */ transmit_empty 1542 drivers/usb/serial/ftdi_sio.c if (priv->transmit_empty) transmit_empty 2525 drivers/usb/serial/ftdi_sio.c priv->transmit_empty = 1; transmit_empty 2527 drivers/usb/serial/ftdi_sio.c priv->transmit_empty = 0;