1089 				      struct samsung_dsim_transfer *xfer)  in samsung_dsim_send_to_fifo()  argument
1092 	struct mipi_dsi_packet *pkt = &xfer->packet;  in samsung_dsim_send_to_fifo()
1093 	const u8 *payload = pkt->payload + xfer->tx_done;  in samsung_dsim_send_to_fifo()
1094 	u16 length = pkt->payload_length - xfer->tx_done;  in samsung_dsim_send_to_fifo()
1095 	bool first = !xfer->tx_done;  in samsung_dsim_send_to_fifo()
1099 		xfer, length, xfer->tx_done, xfer->rx_len, xfer->rx_done);  in samsung_dsim_send_to_fifo()
1104 	xfer->tx_done += length;  in samsung_dsim_send_to_fifo()
1138 	if (NEQV(xfer->flags & MIPI_DSI_MSG_USE_LPM,  in samsung_dsim_send_to_fifo()
1140 		samsung_dsim_set_cmd_lpm(dsi, xfer->flags & MIPI_DSI_MSG_USE_LPM);  in samsung_dsim_send_to_fifo()
1146 	if (xfer->flags & MIPI_DSI_MSG_REQ_ACK)  in samsung_dsim_send_to_fifo()
1151 					struct samsung_dsim_transfer *xfer)  in samsung_dsim_read_from_fifo()  argument
1153 	u8 *payload = xfer->rx_payload + xfer->rx_done;  in samsung_dsim_read_from_fifo()
1154 	bool first = !xfer->rx_done;  in samsung_dsim_read_from_fifo()
1165 			if (xfer->rx_len >= 2) {  in samsung_dsim_read_from_fifo()
1167 				++xfer->rx_done;  in samsung_dsim_read_from_fifo()
1173 			++xfer->rx_done;  in samsung_dsim_read_from_fifo()
1174 			xfer->rx_len = xfer->rx_done;  in samsung_dsim_read_from_fifo()
1175 			xfer->result = 0;  in samsung_dsim_read_from_fifo()
1179 			xfer->result = 0;  in samsung_dsim_read_from_fifo()
1184 		if (length > xfer->rx_len) {  in samsung_dsim_read_from_fifo()
1187 				xfer->rx_len, length);  in samsung_dsim_read_from_fifo()
1188 			length = xfer->rx_len;  in samsung_dsim_read_from_fifo()
1189 		} else if (length < xfer->rx_len) {  in samsung_dsim_read_from_fifo()
1190 			xfer->rx_len = length;  in samsung_dsim_read_from_fifo()
1194 	length = xfer->rx_len - xfer->rx_done;  in samsung_dsim_read_from_fifo()
1195 	xfer->rx_done += length;  in samsung_dsim_read_from_fifo()
1222 	if (xfer->rx_done == xfer->rx_len)  in samsung_dsim_read_from_fifo()
1223 		xfer->result = 0;  in samsung_dsim_read_from_fifo()
1237 	struct samsung_dsim_transfer *xfer;  in samsung_dsim_transfer_start()  local
1248 	xfer = list_first_entry(&dsi->transfer_list,  in samsung_dsim_transfer_start()
1253 	if (xfer->packet.payload_length &&  in samsung_dsim_transfer_start()
1254 	    xfer->tx_done == xfer->packet.payload_length)  in samsung_dsim_transfer_start()
1258 	samsung_dsim_send_to_fifo(dsi, xfer);  in samsung_dsim_transfer_start()
1260 	if (xfer->packet.payload_length || xfer->rx_len)  in samsung_dsim_transfer_start()
1263 	xfer->result = 0;  in samsung_dsim_transfer_start()
1264 	complete(&xfer->completed);  in samsung_dsim_transfer_start()
1268 	list_del_init(&xfer->list);  in samsung_dsim_transfer_start()
1279 	struct samsung_dsim_transfer *xfer;  in samsung_dsim_transfer_finish()  local
1290 	xfer = list_first_entry(&dsi->transfer_list,  in samsung_dsim_transfer_finish()
1297 		xfer, xfer->packet.payload_length, xfer->tx_done, xfer->rx_len,  in samsung_dsim_transfer_finish()
1298 		xfer->rx_done);  in samsung_dsim_transfer_finish()
1300 	if (xfer->tx_done != xfer->packet.payload_length)  in samsung_dsim_transfer_finish()
1303 	if (xfer->rx_done != xfer->rx_len)  in samsung_dsim_transfer_finish()
1304 		samsung_dsim_read_from_fifo(dsi, xfer);  in samsung_dsim_transfer_finish()
1306 	if (xfer->rx_done != xfer->rx_len)  in samsung_dsim_transfer_finish()
1311 	list_del_init(&xfer->list);  in samsung_dsim_transfer_finish()
1316 	if (!xfer->rx_len)  in samsung_dsim_transfer_finish()
1317 		xfer->result = 0;  in samsung_dsim_transfer_finish()
1318 	complete(&xfer->completed);  in samsung_dsim_transfer_finish()
1324 					 struct samsung_dsim_transfer *xfer)  in samsung_dsim_remove_transfer()  argument
1332 	    xfer == list_first_entry(&dsi->transfer_list,  in samsung_dsim_remove_transfer()
1334 		list_del_init(&xfer->list);  in samsung_dsim_remove_transfer()
1342 	list_del_init(&xfer->list);  in samsung_dsim_remove_transfer()
1348 				 struct samsung_dsim_transfer *xfer)  in samsung_dsim_transfer()  argument
1353 	xfer->tx_done = 0;  in samsung_dsim_transfer()
1354 	xfer->rx_done = 0;  in samsung_dsim_transfer()
1355 	xfer->result = -ETIMEDOUT;  in samsung_dsim_transfer()
1356 	init_completion(&xfer->completed);  in samsung_dsim_transfer()
1361 	list_add_tail(&xfer->list, &dsi->transfer_list);  in samsung_dsim_transfer()
1368 	wait_for_completion_timeout(&xfer->completed,  in samsung_dsim_transfer()
1370 	if (xfer->result == -ETIMEDOUT) {  in samsung_dsim_transfer()
1371 		struct mipi_dsi_packet *pkt = &xfer->packet;  in samsung_dsim_transfer()
1373 		samsung_dsim_remove_transfer(dsi, xfer);  in samsung_dsim_transfer()
1380 	return xfer->result;  in samsung_dsim_transfer()
1820 	struct samsung_dsim_transfer xfer;  in samsung_dsim_host_transfer()  local
1830 	ret = mipi_dsi_create_packet(&xfer.packet, msg);  in samsung_dsim_host_transfer()
1834 	xfer.rx_len = msg->rx_len;  in samsung_dsim_host_transfer()
1835 	xfer.rx_payload = msg->rx_buf;  in samsung_dsim_host_transfer()
1836 	xfer.flags = msg->flags;  in samsung_dsim_host_transfer()
1838 	ret = samsung_dsim_transfer(dsi, &xfer);  in samsung_dsim_host_transfer()
1839 	return (ret < 0) ? ret : xfer.rx_done;  in samsung_dsim_host_transfer()