294 		if (t->rx_buf != NULL && t->tx_buf != NULL)  in omap2_mcspi_set_fifo()
312 		if (t->tx_buf != NULL) {  in omap2_mcspi_set_fifo()
328 	if (t->tx_buf != NULL)  in omap2_mcspi_set_fifo()
590 	tx = xfer->tx_buf;  in omap2_mcspi_txrx_dma()
671 		tx = xfer->tx_buf;  in omap2_mcspi_txrx_pio()
719 		tx = xfer->tx_buf;  in omap2_mcspi_txrx_pio()
766 		tx = xfer->tx_buf;  in omap2_mcspi_txrx_pio()
1094 		if (t->tx_buf == NULL && t->rx_buf == NULL && t->len) {  in omap2_mcspi_work()
1127 		if (t->tx_buf == NULL)  in omap2_mcspi_work()
1132 		if (cd && cd->turbo_mode && t->tx_buf == NULL) {  in omap2_mcspi_work()
1150 			if (t->tx_buf == NULL)  in omap2_mcspi_work()
1222 		const void	*tx_buf = t->tx_buf;  in omap2_mcspi_transfer_one_message()  local
1226 		if ((len && !(rx_buf || tx_buf))) {  in omap2_mcspi_transfer_one_message()
1230 					tx_buf ? "tx" : "",  in omap2_mcspi_transfer_one_message()
1240 		if (mcspi_dma->dma_tx && tx_buf != NULL) {  in omap2_mcspi_transfer_one_message()
1241 			t->tx_dma = dma_map_single(mcspi->dev, (void *) tx_buf,  in omap2_mcspi_transfer_one_message()
1256 				if (tx_buf != NULL)  in omap2_mcspi_transfer_one_message()