write_msg
return spi_sync(data->spi, &data->write_msg);
struct spi_message write_msg;
spi_message_init_with_transfers(&data->write_msg, &data->write_xfer, 1);
ret = devm_spi_optimize_message(dev, spi, &data->write_msg);
bool write_msg;
write_msg = arch_restore_msi_irqs(dev);
if (write_msg)
write_msg(cmd_fd, &msg, 1);
write_msg(cmd_fd, &msg, 1);
write_msg(cmd_fd, &msg, 1);
write_msg(cmd_fd, &msg, 1);
write_msg(cmd_fd, &msg, 1);
write_msg(cmd_fd, &msg, 1);
write_msg(cmd_fd, msg, 1);
write_msg(cmd_fd, &msg, 0);