234 			       struct spi_transfer *xfer)  in img_spfi_start_pio()  argument
238 	const void *tx_buf = xfer->tx_buf;  in img_spfi_start_pio()
239 	void *rx_buf = xfer->rx_buf;  in img_spfi_start_pio()
244 		tx_bytes = xfer->len;  in img_spfi_start_pio()
246 		rx_bytes = xfer->len;  in img_spfi_start_pio()
251 		msecs_to_jiffies(xfer->len * 8 * 1000 / xfer->speed_hz + 100);  in img_spfi_start_pio()
316 			      struct spi_transfer *xfer)  in img_spfi_start_dma()  argument
325 	if (xfer->rx_buf) {  in img_spfi_start_dma()
327 		if (xfer->len % 4 == 0) {  in img_spfi_start_dma()
338 		rxdesc = dmaengine_prep_slave_sg(spfi->rx_ch, xfer->rx_sg.sgl,  in img_spfi_start_dma()
339 						 xfer->rx_sg.nents,  in img_spfi_start_dma()
349 	if (xfer->tx_buf) {  in img_spfi_start_dma()
351 		if (xfer->len % 4 == 0) {  in img_spfi_start_dma()
362 		txdesc = dmaengine_prep_slave_sg(spfi->tx_ch, xfer->tx_sg.sgl,  in img_spfi_start_dma()
363 						 xfer->tx_sg.nents,  in img_spfi_start_dma()
373 	if (xfer->rx_buf) {  in img_spfi_start_dma()
381 	if (xfer->tx_buf) {  in img_spfi_start_dma()
494 			    struct spi_transfer *xfer)  in img_spfi_config()  argument
503 	div = DIV_ROUND_UP(clk_get_rate(spfi->spfi_clk), xfer->speed_hz);  in img_spfi_config()
512 	spfi_writel(spfi, xfer->len << SPFI_TRANSACTION_TSIZE_SHIFT,  in img_spfi_config()
517 	if (xfer->tx_buf)  in img_spfi_config()
519 	if (xfer->rx_buf)  in img_spfi_config()
522 	if (xfer->tx_nbits == SPI_NBITS_DUAL &&  in img_spfi_config()
523 	    xfer->rx_nbits == SPI_NBITS_DUAL)  in img_spfi_config()
525 	else if (xfer->tx_nbits == SPI_NBITS_QUAD &&  in img_spfi_config()
526 		 xfer->rx_nbits == SPI_NBITS_QUAD)  in img_spfi_config()
534 				 struct spi_transfer *xfer)  in img_spfi_transfer_one()  argument
539 	if (xfer->len > SPFI_TRANSACTION_TSIZE_MASK) {  in img_spfi_transfer_one()
542 			xfer->len, SPFI_TRANSACTION_TSIZE_MASK);  in img_spfi_transfer_one()
546 	img_spfi_config(master, spi, xfer);  in img_spfi_transfer_one()
547 	if (master->can_dma && master->can_dma(master, spi, xfer))  in img_spfi_transfer_one()
548 		ret = img_spfi_start_dma(master, spi, xfer);  in img_spfi_transfer_one()
550 		ret = img_spfi_start_pio(master, spi, xfer);  in img_spfi_transfer_one()
556 			     struct spi_transfer *xfer)  in img_spfi_can_dma()  argument
558 	if (xfer->len > SPFI_32BIT_FIFO_SIZE)  in img_spfi_can_dma()