95 	struct idma64_desc *desc = idma64c->desc;  in idma64_chan_start()  local
96 	struct idma64_hw_desc *hw = &desc->hw[0];  in idma64_chan_start()
124 		idma64c->desc = NULL;  in idma64_start_transfer()
129 	idma64c->desc = to_idma64_desc(vdesc);  in idma64_start_transfer()
144 	struct idma64_desc *desc;  in idma64_chan_irq()  local
148 	desc = idma64c->desc;  in idma64_chan_irq()
149 	if (desc) {  in idma64_chan_irq()
152 			desc->status = DMA_ERROR;  in idma64_chan_irq()
155 			desc->status = DMA_COMPLETE;  in idma64_chan_irq()
156 			vchan_cookie_complete(&desc->vdesc);  in idma64_chan_irq()
161 		if (idma64c->desc == NULL || desc->status == DMA_ERROR)  in idma64_chan_irq()
202 	struct idma64_desc *desc;  in idma64_alloc_desc()  local
204 	desc = kzalloc(sizeof(*desc), GFP_NOWAIT);  in idma64_alloc_desc()
205 	if (!desc)  in idma64_alloc_desc()
208 	desc->hw = kcalloc(ndesc, sizeof(*desc->hw), GFP_NOWAIT);  in idma64_alloc_desc()
209 	if (!desc->hw) {  in idma64_alloc_desc()
210 		kfree(desc);  in idma64_alloc_desc()
214 	return desc;  in idma64_alloc_desc()
218 		struct idma64_desc *desc)  in idma64_desc_free()  argument
222 	if (desc->ndesc) {  in idma64_desc_free()
223 		unsigned int i = desc->ndesc;  in idma64_desc_free()
226 			hw = &desc->hw[--i];  in idma64_desc_free()
231 	kfree(desc->hw);  in idma64_desc_free()
232 	kfree(desc);  in idma64_desc_free()
283 		struct idma64_desc *desc)  in idma64_desc_fill()  argument
286 	struct idma64_hw_desc *hw = &desc->hw[desc->ndesc - 1];  in idma64_desc_fill()
289 	unsigned int i = desc->ndesc;  in idma64_desc_fill()
293 		hw = &desc->hw[--i];  in idma64_desc_fill()
294 		llp = idma64_hw_desc_fill(hw, config, desc->direction, llp);  in idma64_desc_fill()
295 		desc->length += hw->len;  in idma64_desc_fill()
308 	struct idma64_desc *desc;  in idma64_prep_slave_sg()  local
312 	desc = idma64_alloc_desc(sg_len);  in idma64_prep_slave_sg()
313 	if (!desc)  in idma64_prep_slave_sg()
317 		struct idma64_hw_desc *hw = &desc->hw[i];  in idma64_prep_slave_sg()
322 			desc->ndesc = i;  in idma64_prep_slave_sg()
323 			idma64_desc_free(idma64c, desc);  in idma64_prep_slave_sg()
331 	desc->ndesc = sg_len;  in idma64_prep_slave_sg()
332 	desc->direction = direction;  in idma64_prep_slave_sg()
333 	desc->status = DMA_IN_PROGRESS;  in idma64_prep_slave_sg()
335 	idma64_desc_fill(idma64c, desc);  in idma64_prep_slave_sg()
336 	return vchan_tx_prep(&idma64c->vchan, &desc->vdesc, flags);  in idma64_prep_slave_sg()
345 	if (vchan_issue_pending(&idma64c->vchan) && !idma64c->desc)  in idma64_issue_pending()
352 	struct idma64_desc *desc = idma64c->desc;  in idma64_active_desc_size()  local
354 	size_t bytes = desc->length;  in idma64_active_desc_size()
360 		hw = &desc->hw[i];  in idma64_active_desc_size()
364 	} while (++i < desc->ndesc);  in idma64_active_desc_size()
370 	bytes += desc->hw[--i].len;  in idma64_active_desc_size()
390 	if (idma64c->desc && cookie == idma64c->desc->vdesc.tx.cookie) {  in idma64_tx_status()
393 		status = idma64c->desc->status;  in idma64_tx_status()
460 	if (idma64c->desc && idma64c->desc->status == DMA_IN_PROGRESS) {  in idma64_pause()
462 		idma64c->desc->status = DMA_PAUSED;  in idma64_pause()
475 	if (idma64c->desc && idma64c->desc->status == DMA_PAUSED) {  in idma64_resume()
476 		idma64c->desc->status = DMA_IN_PROGRESS;  in idma64_resume()
493 	if (idma64c->desc) {  in idma64_terminate_all()
494 		idma64_vdesc_free(&idma64c->desc->vdesc);  in idma64_terminate_all()
495 		idma64c->desc = NULL;  in idma64_terminate_all()