is_fifo_empty     494 drivers/tty/serial/ifx6x60.c 	bool is_fifo_empty;
is_fifo_empty     498 drivers/tty/serial/ifx6x60.c 	is_fifo_empty = kfifo_is_empty(&ifx_dev->tx_fifo);
is_fifo_empty     501 drivers/tty/serial/ifx6x60.c 	if (is_fifo_empty)