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()
722 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_chipselect()
777 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_setupxfer()
809 	struct spi_master *master = spi_imx->bitbang.master;  in spi_imx_sdma_exit()  local
811 	if (master->dma_rx) {  in spi_imx_sdma_exit()
812 		dma_release_channel(master->dma_rx);  in spi_imx_sdma_exit()
813 		master->dma_rx = NULL;  in spi_imx_sdma_exit()
816 	if (master->dma_tx) {  in spi_imx_sdma_exit()
817 		dma_release_channel(master->dma_tx);  in spi_imx_sdma_exit()
818 		master->dma_tx = NULL;  in spi_imx_sdma_exit()
825 			     struct spi_master *master,  in spi_imx_sdma_init()  argument
836 	master->dma_tx = dma_request_slave_channel(dev, "tx");  in spi_imx_sdma_init()
837 	if (!master->dma_tx) {  in spi_imx_sdma_init()
847 	ret = dmaengine_slave_config(master->dma_tx, &slave_config);  in spi_imx_sdma_init()
854 	master->dma_rx = dma_request_slave_channel(dev, "rx");  in spi_imx_sdma_init()
855 	if (!master->dma_rx) {  in spi_imx_sdma_init()
865 	ret = dmaengine_slave_config(master->dma_rx, &slave_config);  in spi_imx_sdma_init()
873 	master->can_dma = spi_imx_can_dma;  in spi_imx_sdma_init()
874 	master->max_dma_len = MAX_SDMA_BD_BYTES;  in spi_imx_sdma_init()
875 	spi_imx->bitbang.master->flags = SPI_MASTER_MUST_RX |  in spi_imx_sdma_init()
909 	struct spi_master *master = spi_imx->bitbang.master;  in spi_imx_dma_transfer()  local
913 		desc_tx = dmaengine_prep_slave_sg(master->dma_tx,  in spi_imx_dma_transfer()
925 		desc_rx = dmaengine_prep_slave_sg(master->dma_rx,  in spi_imx_dma_transfer()
951 	dma_async_issue_pending(master->dma_tx);  in spi_imx_dma_transfer()
952 	dma_async_issue_pending(master->dma_rx);  in spi_imx_dma_transfer()
958 			dev_driver_string(&master->dev),  in spi_imx_dma_transfer()
959 			dev_name(&master->dev));  in spi_imx_dma_transfer()
960 		dmaengine_terminate_all(master->dma_tx);  in spi_imx_dma_transfer()
966 				dev_driver_string(&master->dev),  in spi_imx_dma_transfer()
967 				dev_name(&master->dev));  in spi_imx_dma_transfer()
969 			dmaengine_terminate_all(master->dma_rx);  in spi_imx_dma_transfer()
988 		     dev_driver_string(&master->dev),  in spi_imx_dma_transfer()
989 		     dev_name(&master->dev));  in spi_imx_dma_transfer()
996 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_pio_transfer()
1018 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_transfer()
1020 	if (spi_imx->bitbang.master->can_dma &&  in spi_imx_transfer()
1021 	    spi_imx_can_dma(spi_imx->bitbang.master, spi, transfer)) {  in spi_imx_transfer()
1034 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);  in spi_imx_setup()
1053 spi_imx_prepare_message(struct spi_master *master, struct spi_message *msg)  in spi_imx_prepare_message()  argument
1055 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_prepare_message()
1072 spi_imx_unprepare_message(struct spi_master *master, struct spi_message *msg)  in spi_imx_unprepare_message()  argument
1074 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_unprepare_message()
1088 	struct spi_master *master;  in spi_imx_probe()  local
1106 	master = spi_alloc_master(&pdev->dev,  in spi_imx_probe()
1108 	if (!master)  in spi_imx_probe()
1111 	platform_set_drvdata(pdev, master);  in spi_imx_probe()
1113 	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);  in spi_imx_probe()
1114 	master->bus_num = pdev->id;  in spi_imx_probe()
1115 	master->num_chipselect = num_cs;  in spi_imx_probe()
1117 	spi_imx = spi_master_get_devdata(master);  in spi_imx_probe()
1118 	spi_imx->bitbang.master = master;  in spi_imx_probe()
1120 	for (i = 0; i < master->num_chipselect; i++) {  in spi_imx_probe()
1140 	spi_imx->bitbang.master->setup = spi_imx_setup;  in spi_imx_probe()
1141 	spi_imx->bitbang.master->cleanup = spi_imx_cleanup;  in spi_imx_probe()
1142 	spi_imx->bitbang.master->prepare_message = spi_imx_prepare_message;  in spi_imx_probe()
1143 	spi_imx->bitbang.master->unprepare_message = spi_imx_unprepare_message;  in spi_imx_probe()
1144 	spi_imx->bitbang.master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;  in spi_imx_probe()
1197 	    && spi_imx_sdma_init(&pdev->dev, spi_imx, master, res))  in spi_imx_probe()
1204 	master->dev.of_node = pdev->dev.of_node;  in spi_imx_probe()
1222 	spi_master_put(master);  in spi_imx_probe()
1229 	struct spi_master *master = platform_get_drvdata(pdev);  in spi_imx_remove()  local
1230 	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);  in spi_imx_remove()
1238 	spi_master_put(master);  in spi_imx_remove()