294 		if (t->rx_buf != NULL && t->tx_buf != NULL)  in omap2_mcspi_set_fifo()
308 		if (t->rx_buf != NULL) {  in omap2_mcspi_set_fifo()
325 	if (t->rx_buf != NULL)  in omap2_mcspi_set_fifo()
505 				((u8 *)xfer->rx_buf)[elements++] = w;  in omap2_mcspi_rx_dma()
507 				((u16 *)xfer->rx_buf)[elements++] = w;  in omap2_mcspi_rx_dma()
509 				((u32 *)xfer->rx_buf)[elements++] = w;  in omap2_mcspi_rx_dma()
524 			((u8 *)xfer->rx_buf)[elements] = w;  in omap2_mcspi_rx_dma()
526 			((u16 *)xfer->rx_buf)[elements] = w;  in omap2_mcspi_rx_dma()
528 			((u32 *)xfer->rx_buf)[elements] = w;  in omap2_mcspi_rx_dma()
589 	rx = xfer->rx_buf;  in omap2_mcspi_txrx_dma()
670 		rx = xfer->rx_buf;  in omap2_mcspi_txrx_pio()
718 		rx = xfer->rx_buf;  in omap2_mcspi_txrx_pio()
765 		rx = xfer->rx_buf;  in omap2_mcspi_txrx_pio()
811 	if (xfer->rx_buf == NULL) {  in omap2_mcspi_txrx_pio()
1094 		if (t->tx_buf == NULL && t->rx_buf == NULL && t->len) {  in omap2_mcspi_work()
1129 		else if (t->rx_buf == NULL)  in omap2_mcspi_work()
1223 		void		*rx_buf = t->rx_buf;  in omap2_mcspi_transfer_one_message()  local
1226 		if ((len && !(rx_buf || tx_buf))) {  in omap2_mcspi_transfer_one_message()
1231 					rx_buf ? "rx" : "",  in omap2_mcspi_transfer_one_message()
1250 		if (mcspi_dma->dma_rx && rx_buf != NULL) {  in omap2_mcspi_transfer_one_message()
1251 			t->rx_dma = dma_map_single(mcspi->dev, rx_buf, t->len,  in omap2_mcspi_transfer_one_message()