100 unsigned int comedi_isadma_poll(struct comedi_isadma *dma)  in comedi_isadma_poll()  argument
102 	struct comedi_isadma_desc *desc = &dma->desc[dma->cur_dma];  in comedi_isadma_poll()
158 	struct comedi_isadma *dma = NULL;  in comedi_isadma_alloc()  local
166 	dma = kzalloc(sizeof(*dma), GFP_KERNEL);  in comedi_isadma_alloc()
167 	if (!dma)  in comedi_isadma_alloc()
173 	dma->desc = desc;  in comedi_isadma_alloc()
174 	dma->n_desc = n_desc;  in comedi_isadma_alloc()
176 		dma->dev = dev->hw_dev;  in comedi_isadma_alloc()
186 		dma->dev = dev->class_dev;  in comedi_isadma_alloc()
197 	dma->chan = dma_chans[0];  in comedi_isadma_alloc()
202 	dma->chan2 = dma_chans[1];  in comedi_isadma_alloc()
205 		desc = &dma->desc[i];  in comedi_isadma_alloc()
208 		desc->virt_addr = dma_alloc_coherent(dma->dev, desc->maxsize,  in comedi_isadma_alloc()
216 	return dma;  in comedi_isadma_alloc()
219 	comedi_isadma_free(dma);  in comedi_isadma_alloc()
228 void comedi_isadma_free(struct comedi_isadma *dma)  in comedi_isadma_free()  argument
233 	if (!dma)  in comedi_isadma_free()
236 	if (dma->desc) {  in comedi_isadma_free()
237 		for (i = 0; i < dma->n_desc; i++) {  in comedi_isadma_free()
238 			desc = &dma->desc[i];  in comedi_isadma_free()
240 				dma_free_coherent(dma->dev, desc->maxsize,  in comedi_isadma_free()
244 		kfree(dma->desc);  in comedi_isadma_free()
246 	if (dma->chan2 && dma->chan2 != dma->chan)  in comedi_isadma_free()
247 		free_dma(dma->chan2);  in comedi_isadma_free()
248 	if (dma->chan)  in comedi_isadma_free()
249 		free_dma(dma->chan);  in comedi_isadma_free()
250 	kfree(dma);  in comedi_isadma_free()