17 	struct idxd_dma_chan *idxd_chan;  in to_idxd_wq()  local
19 	idxd_chan = container_of(c, struct idxd_dma_chan, chan);  in to_idxd_wq()
20 	return idxd_chan->wq;  in to_idxd_wq()
253 	struct idxd_dma_chan *idxd_chan;  in idxd_register_dma_channel()  local
257 	idxd_chan = kzalloc_node(sizeof(*idxd_chan), GFP_KERNEL, dev_to_node(dev));  in idxd_register_dma_channel()
258 	if (!idxd_chan)  in idxd_register_dma_channel()
261 	chan = &idxd_chan->chan;  in idxd_register_dma_channel()
274 		kfree(idxd_chan);  in idxd_register_dma_channel()
278 	wq->idxd_chan = idxd_chan;  in idxd_register_dma_channel()
279 	idxd_chan->wq = wq;  in idxd_register_dma_channel()
287 	struct idxd_dma_chan *idxd_chan = wq->idxd_chan;  in idxd_unregister_dma_channel()  local
288 	struct dma_chan *chan = &idxd_chan->chan;  in idxd_unregister_dma_channel()
293 	kfree(wq->idxd_chan);  in idxd_unregister_dma_channel()
294 	wq->idxd_chan = NULL;  in idxd_unregister_dma_channel()