611 int omap_request_dma(int dev_id, const char *dev_name,  in omap_request_dma()  argument
623 		if (free_ch == -1 && dma_chan[ch].dev_id == -1) {  in omap_request_dma()
634 	chan->dev_id = dev_id;  in omap_request_dma()
666 		if (dev_id != 0) {  in omap_request_dma()
667 			set_gdma_dev(free_ch + 1, dev_id);  in omap_request_dma()
668 			dev_id = free_ch + 1;  in omap_request_dma()
674 		p->dma_write(dev_id | (1 << 10), CCR, free_ch);  in omap_request_dma()
676 		p->dma_write(dev_id, CCR, free_ch);  in omap_request_dma()
694 	if (dma_chan[lch].dev_id == -1) {  in omap_free_dma()
715 	dma_chan[lch].dev_id = -1;  in omap_free_dma()
947 	if (dma_chan[lch].dev_id == -1) {  in omap_set_dma_callback()
1077 	if ((dma_chan[lch_head].dev_id == -1) ||  in omap_dma_link_lch()
1078 	    (dma_chan[lch_queue].dev_id == -1)) {  in omap_dma_link_lch()
1106 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap1_dma_handle_ch()
1112 		pr_warn("DMA timeout with device %d\n", dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
1115 			dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
1124 static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id)  in omap1_dma_irq_handler()  argument
1126 	int ch = ((int) dev_id) - 1;  in omap1_dma_irq_handler()
1159 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap2_dma_handle_ch()
1167 			dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1170 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1182 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1185 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1217 static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id)  in omap2_dma_irq_handler()  argument
1282 		if (dma_chan[ch].dev_id != -1)  in omap_dma_global_context_restore()
1341 		dma_chan[ch].dev_id = -1;  in omap_system_dma_probe()
1395 		dma_chan[0].dev_id = 0;  in omap_system_dma_probe()
1396 		dma_chan[1].dev_id = 1;  in omap_system_dma_probe()