294 	uint8_t chan;  in mhu_send_data()  local
303 	chan = 0;  in mhu_send_data()
321 	mhu_v3_err = mhu_v3_x_doorbell_write(dev, chan, (uint32_t)size);  in mhu_send_data()
325 	chan++;  in mhu_send_data()
329 		mhu_v3_err = mhu_v3_x_doorbell_write(dev, chan, *buffer++);  in mhu_send_data()
334 		if (++chan == (num_channels - 1)) {  in mhu_send_data()
341 			chan = 0;  in mhu_send_data()
345 	if (chan != 0) {  in mhu_send_data()
377 	uint8_t chan;  in mhu_receive_data()  local
382 	chan = 0;  in mhu_receive_data()
402 	mhu_v3_err = mhu_v3_x_doorbell_read(dev, chan, &msg_len);  in mhu_receive_data()
406 	chan++;  in mhu_receive_data()
416 		mhu_v3_err = mhu_v3_x_doorbell_read(dev, chan, buffer++);  in mhu_receive_data()
422 		if (++chan == (num_channels - 1) && (msg_len - i) > 4) {  in mhu_receive_data()
429 			chan = 0;  in mhu_receive_data()