212 				 struct spi_transfer *tfr)  in sun6i_spi_prepare_dma()  argument
218 	if (tfr->rx_buf) {  in sun6i_spi_prepare_dma()
229 						 tfr->rx_sg.sgl,  in sun6i_spi_prepare_dma()
230 						 tfr->rx_sg.nents,  in sun6i_spi_prepare_dma()
240 	if (tfr->tx_buf) {  in sun6i_spi_prepare_dma()
251 						 tfr->tx_sg.sgl,  in sun6i_spi_prepare_dma()
252 						 tfr->tx_sg.nents,  in sun6i_spi_prepare_dma()
262 	if (tfr->rx_buf) {  in sun6i_spi_prepare_dma()
267 	if (tfr->tx_buf) {  in sun6i_spi_prepare_dma()
277 				  struct spi_transfer *tfr)  in sun6i_spi_transfer_one()  argument
289 	if (tfr->len > SUN6I_MAX_XFER_SIZE)  in sun6i_spi_transfer_one()
294 	sspi->tx_buf = tfr->tx_buf;  in sun6i_spi_transfer_one()
295 	sspi->rx_buf = tfr->rx_buf;  in sun6i_spi_transfer_one()
296 	sspi->len = tfr->len;  in sun6i_spi_transfer_one()
297 	use_dma = host->can_dma ? host->can_dma(host, spi, tfr) : false;  in sun6i_spi_transfer_one()
324 		if (tfr->tx_buf)  in sun6i_spi_transfer_one()
326 		if (tfr->rx_buf)  in sun6i_spi_transfer_one()
362 		rx_len = tfr->len;  in sun6i_spi_transfer_one()
376 		if (mclk_rate < (2 * tfr->speed_hz)) {  in sun6i_spi_transfer_one()
377 			clk_set_rate(sspi->mclk, 2 * tfr->speed_hz);  in sun6i_spi_transfer_one()
395 		div_cdr1 = DIV_ROUND_UP(mclk_rate, tfr->speed_hz);  in sun6i_spi_transfer_one()
399 			tfr->effective_speed_hz = mclk_rate / (2 * div_cdr2);  in sun6i_spi_transfer_one()
403 			tfr->effective_speed_hz = mclk_rate / (1 << div);  in sun6i_spi_transfer_one()
408 		clk_set_rate(sspi->mclk, tfr->speed_hz);  in sun6i_spi_transfer_one()
409 		tfr->effective_speed_hz = clk_get_rate(sspi->mclk);  in sun6i_spi_transfer_one()
423 		if (tfr->effective_speed_hz <= 24000000)  in sun6i_spi_transfer_one()
425 		else if (tfr->effective_speed_hz >= 80000000)  in sun6i_spi_transfer_one()
438 		tx_len = tfr->len;  in sun6i_spi_transfer_one()
439 		nbits = tfr->tx_nbits;  in sun6i_spi_transfer_one()
440 	} else if (tfr->rx_buf) {  in sun6i_spi_transfer_one()
441 		nbits = tfr->rx_nbits;  in sun6i_spi_transfer_one()
458 	sun6i_spi_write(sspi, SUN6I_BURST_CNT_REG, tfr->len);  in sun6i_spi_transfer_one()
465 		ret = sun6i_spi_prepare_dma(sspi, tfr);  in sun6i_spi_transfer_one()
490 	tx_time = spi_controller_xfer_timeout(host, tfr);  in sun6i_spi_transfer_one()
514 			 dev_name(&spi->dev), tfr->len, tfr->speed_hz,  in sun6i_spi_transfer_one()