479 	int ch, free_ch = -1;  in omap_request_dma()  local
487 		if (free_ch == -1 && dma_chan[ch].dev_id == -1) {  in omap_request_dma()
488 			free_ch = ch;  in omap_request_dma()
493 	if (free_ch == -1) {  in omap_request_dma()
497 	chan = dma_chan + free_ch;  in omap_request_dma()
501 		p->clear_lch_regs(free_ch);  in omap_request_dma()
518 			set_gdma_dev(free_ch + 1, dev_id);  in omap_request_dma()
519 			dev_id = free_ch + 1;  in omap_request_dma()
525 		p->dma_write(dev_id | (1 << 10), CCR, free_ch);  in omap_request_dma()
527 		p->dma_write(dev_id, CCR, free_ch);  in omap_request_dma()
530 	*dma_ch_out = free_ch;  in omap_request_dma()