drivers/spi/spi.c

2150 	struct spi_message *mesg;
2153 	mesg = ctlr->cur_msg;
2156 		list_for_each_entry(xfer, &mesg->transfers, transfer_list) {
2163 		list_for_each_entry(xfer, &mesg->transfers, transfer_list)
2166 	spi_unmap_msg(ctlr, mesg);
2168 	if (mesg->prepared && ctlr->unprepare_message) {
2169 		ret = ctlr->unprepare_message(ctlr, mesg);
2176 	mesg->prepared = false;
2178 	spi_maybe_unoptimize_message(mesg);
2185 	trace_spi_message_done(mesg);
2187 	mesg->state = NULL;
2188 	if (mesg->complete)
2189 		mesg->complete(mesg->context);