IFX_SPI_FIFO_SIZE  517 drivers/tty/serial/ifx6x60.c 	return IFX_SPI_FIFO_SIZE - kfifo_len(&ifx_dev->tx_fifo);
IFX_SPI_FIFO_SIZE  824 drivers/tty/serial/ifx6x60.c 	if (kfifo_alloc(&ifx_dev->tx_fifo, IFX_SPI_FIFO_SIZE, GFP_KERNEL)) {