tegra_spi_calculate_curr_xfer_param
tegra_spi_calculate_curr_xfer_param(tspi->cur_spi, tspi, t);
total_fifo_words = tegra_spi_calculate_curr_xfer_param(tspi->cur_spi,
total_fifo_words = tegra_spi_calculate_curr_xfer_param(spi, tspi, t);