597 	struct mxc_isi_pipe *chained_pipe = pipe + 1;  in mxc_isi_channel_chain()  local
609 	mutex_lock(&chained_pipe->lock);  in mxc_isi_channel_chain()
612 	if (WARN_ON(pipe->chained || chained_pipe->chained_res)) {  in mxc_isi_channel_chain()
617 	if ((chained_pipe->available_res & resources) != resources) {  in mxc_isi_channel_chain()
623 	chained_pipe->chained_res |= resources;  in mxc_isi_channel_chain()
624 	chained_pipe->available_res &= ~resources;  in mxc_isi_channel_chain()
626 	__mxc_isi_channel_get(chained_pipe);  in mxc_isi_channel_chain()
629 	mutex_unlock(&chained_pipe->lock);  in mxc_isi_channel_chain()
636 	struct mxc_isi_pipe *chained_pipe = pipe + 1;  in mxc_isi_channel_unchain()  local
643 	mutex_lock(&chained_pipe->lock);  in mxc_isi_channel_unchain()
645 	chained_pipe->available_res |= chained_pipe->chained_res;  in mxc_isi_channel_unchain()
646 	chained_pipe->chained_res = 0;  in mxc_isi_channel_unchain()
648 	__mxc_isi_channel_put(chained_pipe);  in mxc_isi_channel_unchain()
650 	mutex_unlock(&chained_pipe->lock);  in mxc_isi_channel_unchain()