173 					 struct spi_transfer *t)  in sprd_spi_transfer_max_timeout()  argument
179 	u32 size = t->bits_per_word * SPRD_SPI_FIFO_SIZE;  in sprd_spi_transfer_max_timeout()
193 static int sprd_spi_wait_for_tx_end(struct sprd_spi *ss, struct spi_transfer *t)  in sprd_spi_wait_for_tx_end()  argument
198 	us = sprd_spi_transfer_max_timeout(ss, t);  in sprd_spi_wait_for_tx_end()
218 static int sprd_spi_wait_for_rx_end(struct sprd_spi *ss, struct spi_transfer *t)  in sprd_spi_wait_for_rx_end()  argument
223 	us = sprd_spi_transfer_max_timeout(ss, t);  in sprd_spi_wait_for_rx_end()
401 static int sprd_spi_txrx_bufs(struct spi_device *sdev, struct spi_transfer *t)  in sprd_spi_txrx_bufs()  argument
421 			ret = sprd_spi_wait_for_tx_end(ss, t);  in sprd_spi_txrx_bufs()
434 			ret = sprd_spi_wait_for_rx_end(ss, t);  in sprd_spi_txrx_bufs()
516 static int sprd_spi_dma_rx_config(struct sprd_spi *ss, struct spi_transfer *t)  in sprd_spi_dma_rx_config()  argument
527 	ret = sprd_spi_dma_submit(dma_chan, &config, &t->rx_sg, DMA_DEV_TO_MEM);  in sprd_spi_dma_rx_config()
534 static int sprd_spi_dma_tx_config(struct sprd_spi *ss, struct spi_transfer *t)  in sprd_spi_dma_tx_config()  argument
545 	ret = sprd_spi_dma_submit(dma_chan, &config, &t->tx_sg, DMA_MEM_TO_DEV);  in sprd_spi_dma_tx_config()
549 	return t->len;  in sprd_spi_dma_tx_config()
579 				  struct spi_transfer *t)  in sprd_spi_dma_txrx_bufs()  argument
588 		write_size = sprd_spi_dma_tx_config(ss, t);  in sprd_spi_dma_txrx_bufs()
624 		ss->dma.rx_len = t->len > ss->dma.fragmens_len ?  in sprd_spi_dma_txrx_bufs()
625 			(t->len - t->len % ss->dma.fragmens_len) :  in sprd_spi_dma_txrx_bufs()
626 			 t->len;  in sprd_spi_dma_txrx_bufs()
627 		ret = sprd_spi_dma_rx_config(ss, t);  in sprd_spi_dma_txrx_bufs()
664 static int sprd_spi_init_hw(struct sprd_spi *ss, struct spi_transfer *t)  in sprd_spi_init_hw()  argument
666 	struct spi_delay *d = &t->word_delay;  in sprd_spi_init_hw()
715 				   struct spi_transfer *t)  in sprd_spi_setup_transfer()  argument
718 	u8 bits_per_word = t->bits_per_word;  in sprd_spi_setup_transfer()
722 	ss->len = t->len;  in sprd_spi_setup_transfer()
723 	ss->tx_buf = t->tx_buf;  in sprd_spi_setup_transfer()
724 	ss->rx_buf = t->rx_buf;  in sprd_spi_setup_transfer()
727 	ret = sprd_spi_init_hw(ss, t);  in sprd_spi_setup_transfer()
732 	sprd_spi_set_speed(ss, t->speed_hz);  in sprd_spi_setup_transfer()
742 		ss->trans_len = t->len;  in sprd_spi_setup_transfer()
749 		ss->trans_len = t->len >> 1;  in sprd_spi_setup_transfer()
756 		ss->trans_len = t->len >> 2;  in sprd_spi_setup_transfer()
769 	if (t->tx_buf)  in sprd_spi_setup_transfer()
771 	if (t->rx_buf)  in sprd_spi_setup_transfer()
790 				 struct spi_transfer *t)  in sprd_spi_transfer_one()  argument
794 	ret = sprd_spi_setup_transfer(sdev, t);  in sprd_spi_transfer_one()
798 	if (sctlr->can_dma(sctlr, sdev, t))  in sprd_spi_transfer_one()
799 		ret = sprd_spi_dma_txrx_bufs(sdev, t);  in sprd_spi_transfer_one()
801 		ret = sprd_spi_txrx_bufs(sdev, t);  in sprd_spi_transfer_one()
803 	if (ret == t->len)  in sprd_spi_transfer_one()
890 			     struct spi_device *spi, struct spi_transfer *t)  in sprd_spi_can_dma()  argument
894 	return ss->dma.enable && (t->len > SPRD_SPI_FIFO_SIZE);  in sprd_spi_can_dma()