197 static int dma_chan;  variable
292 	if (dma_chan <= 3) {  in NCR53c406a_dma_setup()
310 	disable_dma(dma_chan);  in NCR53c406a_dma_setup()
311 	clear_dma_ff(dma_chan);  in NCR53c406a_dma_setup()
312 	set_dma_addr(dma_chan, (long) ptr);  in NCR53c406a_dma_setup()
313 	set_dma_count(dma_chan, count);  in NCR53c406a_dma_setup()
314 	set_dma_mode(dma_chan, mode);  in NCR53c406a_dma_setup()
315 	enable_dma(dma_chan);  in NCR53c406a_dma_setup()
337 	clear_dma_ff(dma_chan);  in NCR53c406a_dma_residual()
338 	tmp = get_dma_residue(dma_chan);  in NCR53c406a_dma_residual()
558 	dma_chan = DMA_CHAN;  in NCR53c406a_detect()
559 	if (request_dma(dma_chan, "NCR53c406a") != 0) {  in NCR53c406a_detect()
560 		printk("NCR53c406a: unable to allocate DMA channel %d\n", dma_chan);  in NCR53c406a_detect()
564 	DEB(printk("Allocated DMA channel %d\n", dma_chan));  in NCR53c406a_detect()
571 	shpnt->dma = dma_chan;  in NCR53c406a_detect()
575 	sprintf(info_msg, "NCR53c406a at 0x%x, IRQ %d, DMA channel %d.", port_base, irq_level, dma_chan);  in NCR53c406a_detect()