89 	struct spi_master *master;  member
224 static int img_spfi_start_pio(struct spi_master *master,  in img_spfi_start_pio()  argument
228 	struct img_spfi *spfi = spi_master_get_devdata(spi->master);  in img_spfi_start_pio()
288 		spi_finalize_current_transfer(spfi->master);  in img_spfi_dma_rx_cb()
302 		spi_finalize_current_transfer(spfi->master);  in img_spfi_dma_tx_cb()
306 static int img_spfi_start_dma(struct spi_master *master,  in img_spfi_start_dma()  argument
310 	struct img_spfi *spfi = spi_master_get_devdata(spi->master);  in img_spfi_start_dma()
387 static void img_spfi_handle_err(struct spi_master *master,  in img_spfi_handle_err()  argument
390 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_handle_err()
408 static int img_spfi_prepare(struct spi_master *master, struct spi_message *msg)  in img_spfi_prepare()  argument
410 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_prepare()
430 static int img_spfi_unprepare(struct spi_master *master,  in img_spfi_unprepare()  argument
433 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_unprepare()
440 static void img_spfi_config(struct spi_master *master, struct spi_device *spi,  in img_spfi_config()  argument
443 	struct img_spfi *spfi = spi_master_get_devdata(spi->master);  in img_spfi_config()
479 static int img_spfi_transfer_one(struct spi_master *master,  in img_spfi_transfer_one()  argument
483 	struct img_spfi *spfi = spi_master_get_devdata(spi->master);  in img_spfi_transfer_one()
493 	img_spfi_config(master, spi, xfer);  in img_spfi_transfer_one()
494 	if (master->can_dma && master->can_dma(master, spi, xfer))  in img_spfi_transfer_one()
495 		ret = img_spfi_start_dma(master, spi, xfer);  in img_spfi_transfer_one()
497 		ret = img_spfi_start_pio(master, spi, xfer);  in img_spfi_transfer_one()
502 static bool img_spfi_can_dma(struct spi_master *master, struct spi_device *spi,  in img_spfi_can_dma()  argument
527 	struct spi_master *master;  in img_spfi_probe()  local
533 	master = spi_alloc_master(&pdev->dev, sizeof(*spfi));  in img_spfi_probe()
534 	if (!master)  in img_spfi_probe()
536 	platform_set_drvdata(pdev, master);  in img_spfi_probe()
538 	spfi = spi_master_get_devdata(master);  in img_spfi_probe()
540 	spfi->master = master;  in img_spfi_probe()
586 	master->auto_runtime_pm = true;  in img_spfi_probe()
587 	master->bus_num = pdev->id;  in img_spfi_probe()
588 	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL;  in img_spfi_probe()
590 		master->mode_bits |= SPI_TX_QUAD | SPI_RX_QUAD;  in img_spfi_probe()
591 	master->dev.of_node = pdev->dev.of_node;  in img_spfi_probe()
592 	master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(8);  in img_spfi_probe()
593 	master->max_speed_hz = clk_get_rate(spfi->spfi_clk) / 4;  in img_spfi_probe()
594 	master->min_speed_hz = clk_get_rate(spfi->spfi_clk) / 512;  in img_spfi_probe()
605 		if (master->max_speed_hz > max_speed_hz)  in img_spfi_probe()
606 			master->max_speed_hz = max_speed_hz;  in img_spfi_probe()
609 	master->transfer_one = img_spfi_transfer_one;  in img_spfi_probe()
610 	master->prepare_message = img_spfi_prepare;  in img_spfi_probe()
611 	master->unprepare_message = img_spfi_unprepare;  in img_spfi_probe()
612 	master->handle_err = img_spfi_handle_err;  in img_spfi_probe()
613 	master->use_gpio_descriptors = true;  in img_spfi_probe()
640 		master->dma_tx = spfi->tx_ch;  in img_spfi_probe()
641 		master->dma_rx = spfi->rx_ch;  in img_spfi_probe()
642 		master->can_dma = img_spfi_can_dma;  in img_spfi_probe()
648 	ret = devm_spi_register_master(spfi->dev, master);  in img_spfi_probe()
664 	spi_master_put(master);  in img_spfi_probe()
671 	struct spi_master *master = platform_get_drvdata(pdev);  in img_spfi_remove()  local
672 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_remove()
691 	struct spi_master *master = dev_get_drvdata(dev);  in img_spfi_runtime_suspend()  local
692 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_runtime_suspend()
702 	struct spi_master *master = dev_get_drvdata(dev);  in img_spfi_runtime_resume()  local
703 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_runtime_resume()
722 	struct spi_master *master = dev_get_drvdata(dev);  in img_spfi_suspend()  local
724 	return spi_master_suspend(master);  in img_spfi_suspend()
729 	struct spi_master *master = dev_get_drvdata(dev);  in img_spfi_resume()  local
730 	struct img_spfi *spfi = spi_master_get_devdata(master);  in img_spfi_resume()
739 	return spi_master_resume(master);  in img_spfi_resume()