103 	struct spi_master	*master;  member
227 	dev_err(&pic32s->master->dev, "%s\n", msg);  in pic32_err_stop()
228 	if (pic32s->master->cur_msg)  in pic32_err_stop()
229 		pic32s->master->cur_msg->status = -EIO;  in pic32_err_stop()
253 	if (!pic32s->master->cur_msg) {  in pic32_spi_fault_irq()
303 	struct spi_master *master = pic32s->master;  in pic32_spi_dma_transfer()  local
309 	if (!master->dma_rx || !master->dma_tx)  in pic32_spi_dma_transfer()
312 	desc_rx = dmaengine_prep_slave_sg(master->dma_rx,  in pic32_spi_dma_transfer()
322 	desc_tx = dmaengine_prep_slave_sg(master->dma_tx,  in pic32_spi_dma_transfer()
346 	dma_async_issue_pending(master->dma_rx);  in pic32_spi_dma_transfer()
347 	dma_async_issue_pending(master->dma_tx);  in pic32_spi_dma_transfer()
352 	dmaengine_terminate_all(master->dma_rx);  in pic32_spi_dma_transfer()
360 	struct spi_master *master = pic32s->master;  in pic32_spi_dma_config()  local
374 	ret = dmaengine_slave_config(master->dma_tx, &cfg);  in pic32_spi_dma_config()
376 		dev_err(&master->dev, "tx channel setup failed\n");  in pic32_spi_dma_config()
382 	ret = dmaengine_slave_config(master->dma_rx, &cfg);  in pic32_spi_dma_config()
384 		dev_err(&master->dev, "rx channel setup failed\n");  in pic32_spi_dma_config()
434 static int pic32_spi_prepare_hardware(struct spi_master *master)  in pic32_spi_prepare_hardware()  argument
436 	struct pic32_spi *pic32s = spi_master_get_devdata(master);  in pic32_spi_prepare_hardware()
443 static int pic32_spi_prepare_message(struct spi_master *master,  in pic32_spi_prepare_message()  argument
446 	struct pic32_spi *pic32s = spi_master_get_devdata(master);  in pic32_spi_prepare_message()
485 static bool pic32_spi_can_dma(struct spi_master *master,  in pic32_spi_can_dma()  argument
489 	struct pic32_spi *pic32s = spi_master_get_devdata(master);  in pic32_spi_can_dma()
496 static int pic32_spi_one_transfer(struct spi_master *master,  in pic32_spi_one_transfer()  argument
505 	pic32s = spi_master_get_devdata(master);  in pic32_spi_one_transfer()
553 			dmaengine_terminate_all(master->dma_rx);  in pic32_spi_one_transfer()
554 			dmaengine_terminate_all(master->dma_tx);  in pic32_spi_one_transfer()
564 static int pic32_spi_unprepare_message(struct spi_master *master,  in pic32_spi_unprepare_message()  argument
571 static int pic32_spi_unprepare_hardware(struct spi_master *master)  in pic32_spi_unprepare_hardware()  argument
573 	struct pic32_spi *pic32s = spi_master_get_devdata(master);  in pic32_spi_unprepare_hardware()
611 	struct spi_master *master = pic32s->master;  in pic32_spi_dma_prep()  local
617 	master->dma_rx = dma_request_slave_channel_compat(mask, NULL, NULL,  in pic32_spi_dma_prep()
619 	if (!master->dma_rx) {  in pic32_spi_dma_prep()
624 	master->dma_tx = dma_request_slave_channel_compat(mask, NULL, NULL,  in pic32_spi_dma_prep()
626 	if (!master->dma_tx) {  in pic32_spi_dma_prep()
640 	if (master->dma_rx)  in pic32_spi_dma_prep()
641 		dma_release_channel(master->dma_rx);  in pic32_spi_dma_prep()
643 	if (master->dma_tx)  in pic32_spi_dma_prep()
644 		dma_release_channel(master->dma_tx);  in pic32_spi_dma_prep()
653 	if (pic32s->master->dma_rx)  in pic32_spi_dma_unprep()
654 		dma_release_channel(pic32s->master->dma_rx);  in pic32_spi_dma_unprep()
656 	if (pic32s->master->dma_tx)  in pic32_spi_dma_unprep()
657 		dma_release_channel(pic32s->master->dma_tx);  in pic32_spi_dma_unprep()
748 	struct spi_master *master;  in pic32_spi_probe()  local
752 	master = spi_alloc_master(&pdev->dev, sizeof(*pic32s));  in pic32_spi_probe()
753 	if (!master)  in pic32_spi_probe()
756 	pic32s = spi_master_get_devdata(master);  in pic32_spi_probe()
757 	pic32s->master = master;  in pic32_spi_probe()
763 	master->dev.of_node	= pdev->dev.of_node;  in pic32_spi_probe()
764 	master->mode_bits	= SPI_MODE_3 | SPI_MODE_0 | SPI_CS_HIGH;  in pic32_spi_probe()
765 	master->num_chipselect	= 1; /* single chip-select */  in pic32_spi_probe()
766 	master->max_speed_hz	= clk_get_rate(pic32s->clk);  in pic32_spi_probe()
767 	master->setup		= pic32_spi_setup;  in pic32_spi_probe()
768 	master->cleanup		= pic32_spi_cleanup;  in pic32_spi_probe()
769 	master->flags		= SPI_MASTER_MUST_TX | SPI_MASTER_MUST_RX;  in pic32_spi_probe()
770 	master->bits_per_word_mask	= SPI_BPW_MASK(8) | SPI_BPW_MASK(16) |  in pic32_spi_probe()
772 	master->transfer_one		= pic32_spi_one_transfer;  in pic32_spi_probe()
773 	master->prepare_message		= pic32_spi_prepare_message;  in pic32_spi_probe()
774 	master->unprepare_message	= pic32_spi_unprepare_message;  in pic32_spi_probe()
775 	master->prepare_transfer_hardware	= pic32_spi_prepare_hardware;  in pic32_spi_probe()
776 	master->unprepare_transfer_hardware	= pic32_spi_unprepare_hardware;  in pic32_spi_probe()
781 		master->can_dma	= pic32_spi_can_dma;  in pic32_spi_probe()
817 	ret = devm_spi_register_master(&pdev->dev, master);  in pic32_spi_probe()
819 		dev_err(&master->dev, "failed registering spi master\n");  in pic32_spi_probe()
830 	spi_master_put(master);  in pic32_spi_probe()