132 	struct mbox_chan *mbox_chan;  member
374 	if (edge->mbox_chan) {  in qcom_smd_signal_channel()
380 		mbox_send_message(edge->mbox_chan, NULL);  in qcom_smd_signal_channel()
381 		mbox_client_txdone(edge->mbox_chan, 0);  in qcom_smd_signal_channel()
1350 	edge->mbox_chan = mbox_request_channel(&edge->mbox_client, 0);  in qcom_smd_parse_edge()
1351 	if (IS_ERR(edge->mbox_chan)) {  in qcom_smd_parse_edge()
1352 		if (PTR_ERR(edge->mbox_chan) != -ENODEV)  in qcom_smd_parse_edge()
1353 			return PTR_ERR(edge->mbox_chan);  in qcom_smd_parse_edge()
1355 		edge->mbox_chan = NULL;  in qcom_smd_parse_edge()
1485 	if (!IS_ERR_OR_NULL(edge->mbox_chan))  in qcom_smd_register_edge()
1486 		mbox_free_channel(edge->mbox_chan);  in qcom_smd_register_edge()
1516 	mbox_free_channel(edge->mbox_chan);  in qcom_smd_unregister_edge()