dma_fifo_in        80 drivers/staging/fwserial/dma_fifo.h int dma_fifo_in(struct dma_fifo *fifo, const void *src, int n);
dma_fifo_in      1102 drivers/staging/fwserial/fwserial.c 	n = dma_fifo_in(&port->tx_fifo, buf, c);