722 	self->st_fifo.len = self->st_fifo.tail = self->st_fifo.head = 0;  in w83977af_dma_receive()
749 	struct st_fifo *st_fifo;  in w83977af_dma_receive_complete()  local
757 	st_fifo = &self->st_fifo;  in w83977af_dma_receive_complete()
769 		st_fifo->entries[st_fifo->tail].status = status;  in w83977af_dma_receive_complete()
771 		st_fifo->entries[st_fifo->tail].len  = inb(iobase+RFLFL);  in w83977af_dma_receive_complete()
772 		st_fifo->entries[st_fifo->tail].len |= inb(iobase+RFLFH) << 8;  in w83977af_dma_receive_complete()
774 		st_fifo->tail++;  in w83977af_dma_receive_complete()
775 		st_fifo->len++;  in w83977af_dma_receive_complete()
778 	while (st_fifo->len) {  in w83977af_dma_receive_complete()
780 		status = st_fifo->entries[st_fifo->head].status;  in w83977af_dma_receive_complete()
781 		len    = st_fifo->entries[st_fifo->head].len;  in w83977af_dma_receive_complete()
782 		st_fifo->head++;  in w83977af_dma_receive_complete()
783 		st_fifo->len--;  in w83977af_dma_receive_complete()