199 static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi,  in spi_imx_can_dma()  argument
202 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_can_dma()
715 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_chipselect()
770 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_setupxfer()
802 	struct spi_master *master = spi_imx->bitbang.master;  in spi_imx_sdma_exit()  local
804 	if (master->dma_rx) {  in spi_imx_sdma_exit()
805 		dma_release_channel(master->dma_rx);  in spi_imx_sdma_exit()
806 		master->dma_rx = NULL;  in spi_imx_sdma_exit()
809 	if (master->dma_tx) {  in spi_imx_sdma_exit()
810 		dma_release_channel(master->dma_tx);  in spi_imx_sdma_exit()
811 		master->dma_tx = NULL;  in spi_imx_sdma_exit()
818 			     struct spi_master *master,  in spi_imx_sdma_init()  argument
829 	master->dma_tx = dma_request_slave_channel(dev, "tx");  in spi_imx_sdma_init()
830 	if (!master->dma_tx) {  in spi_imx_sdma_init()
840 	ret = dmaengine_slave_config(master->dma_tx, &slave_config);  in spi_imx_sdma_init()
847 	master->dma_rx = dma_request_slave_channel(dev, "rx");  in spi_imx_sdma_init()
848 	if (!master->dma_rx) {  in spi_imx_sdma_init()
858 	ret = dmaengine_slave_config(master->dma_rx, &slave_config);  in spi_imx_sdma_init()
866 	master->can_dma = spi_imx_can_dma;  in spi_imx_sdma_init()
867 	master->max_dma_len = MAX_SDMA_BD_BYTES;  in spi_imx_sdma_init()
868 	spi_imx->bitbang.master->flags = SPI_MASTER_MUST_RX |  in spi_imx_sdma_init()
902 	struct spi_master *master = spi_imx->bitbang.master;  in spi_imx_dma_transfer()  local
906 		desc_tx = dmaengine_prep_slave_sg(master->dma_tx,  in spi_imx_dma_transfer()
918 		desc_rx = dmaengine_prep_slave_sg(master->dma_rx,  in spi_imx_dma_transfer()
944 	dma_async_issue_pending(master->dma_tx);  in spi_imx_dma_transfer()
945 	dma_async_issue_pending(master->dma_rx);  in spi_imx_dma_transfer()
951 			dev_driver_string(&master->dev),  in spi_imx_dma_transfer()
952 			dev_name(&master->dev));  in spi_imx_dma_transfer()
953 		dmaengine_terminate_all(master->dma_tx);  in spi_imx_dma_transfer()
959 				dev_driver_string(&master->dev),  in spi_imx_dma_transfer()
960 				dev_name(&master->dev));  in spi_imx_dma_transfer()
962 			dmaengine_terminate_all(master->dma_rx);  in spi_imx_dma_transfer()
981 		     dev_driver_string(&master->dev),  in spi_imx_dma_transfer()
982 		     dev_name(&master->dev));  in spi_imx_dma_transfer()
989 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_pio_transfer()
1011 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_transfer()
1013 	if (spi_imx->bitbang.master->can_dma &&  in spi_imx_transfer()
1014 	    spi_imx_can_dma(spi_imx->bitbang.master, spi, transfer)) {  in spi_imx_transfer()
1027 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_setup()
1046 spi_imx_prepare_message(struct spi_master *master, struct spi_message *msg)  in spi_imx_prepare_message()  argument
1048 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_prepare_message()
1065 spi_imx_unprepare_message(struct spi_master *master, struct spi_message *msg)  in spi_imx_unprepare_message()  argument
1067 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_unprepare_message()
1081 	struct spi_master *master;  in spi_imx_probe()  local
1099 	master = spi_alloc_master(&pdev->dev,  in spi_imx_probe()
1101 	if (!master)  in spi_imx_probe()
1104 	platform_set_drvdata(pdev, master);  in spi_imx_probe()
1106 	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);  in spi_imx_probe()
1107 	master->bus_num = pdev->id;  in spi_imx_probe()
1108 	master->num_chipselect = num_cs;  in spi_imx_probe()
1110 	spi_imx = spi_master_get_devdata(master);  in spi_imx_probe()
1111 	spi_imx->bitbang.master = master;  in spi_imx_probe()
1113 	for (i = 0; i < master->num_chipselect; i++) {  in spi_imx_probe()
1133 	spi_imx->bitbang.master->setup = spi_imx_setup;  in spi_imx_probe()
1134 	spi_imx->bitbang.master->cleanup = spi_imx_cleanup;  in spi_imx_probe()
1135 	spi_imx->bitbang.master->prepare_message = spi_imx_prepare_message;  in spi_imx_probe()
1136 	spi_imx->bitbang.master->unprepare_message = spi_imx_unprepare_message;  in spi_imx_probe()
1137 	spi_imx->bitbang.master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;  in spi_imx_probe()
1190 	    && spi_imx_sdma_init(&pdev->dev, spi_imx, master, res))  in spi_imx_probe()
1197 	master->dev.of_node = pdev->dev.of_node;  in spi_imx_probe()
1215 	spi_master_put(master);  in spi_imx_probe()
1222 	struct spi_master *master = platform_get_drvdata(pdev);  in spi_imx_remove()  local
1223 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_remove()
1231 	spi_master_put(master);  in spi_imx_remove()