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spi: img-spfi: switch to use modern name
Change legacy name master to modern name host or controller. No functional changed. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20230807124105.3429709-16-yangyingliang@huawei.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Yang Yingliang
Mark Brown
parent
f64e6ee372
commit
d6e19216e8
@ -86,7 +86,7 @@
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struct img_spfi {
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struct device *dev;
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struct spi_master *master;
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struct spi_controller *host;
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spinlock_t lock;
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void __iomem *regs;
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@ -221,11 +221,11 @@ static unsigned int spfi_pio_read8(struct img_spfi *spfi, u8 *buf,
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return count;
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}
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static int img_spfi_start_pio(struct spi_master *master,
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static int img_spfi_start_pio(struct spi_controller *host,
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struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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struct img_spfi *spfi = spi_master_get_devdata(spi->master);
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struct img_spfi *spfi = spi_controller_get_devdata(spi->controller);
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unsigned int tx_bytes = 0, rx_bytes = 0;
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const void *tx_buf = xfer->tx_buf;
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void *rx_buf = xfer->rx_buf;
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@ -285,7 +285,7 @@ static void img_spfi_dma_rx_cb(void *data)
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spin_lock_irqsave(&spfi->lock, flags);
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spfi->rx_dma_busy = false;
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if (!spfi->tx_dma_busy)
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spi_finalize_current_transfer(spfi->master);
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spi_finalize_current_transfer(spfi->host);
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spin_unlock_irqrestore(&spfi->lock, flags);
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}
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@ -299,15 +299,15 @@ static void img_spfi_dma_tx_cb(void *data)
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spin_lock_irqsave(&spfi->lock, flags);
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spfi->tx_dma_busy = false;
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if (!spfi->rx_dma_busy)
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spi_finalize_current_transfer(spfi->master);
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spi_finalize_current_transfer(spfi->host);
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spin_unlock_irqrestore(&spfi->lock, flags);
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}
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static int img_spfi_start_dma(struct spi_master *master,
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static int img_spfi_start_dma(struct spi_controller *host,
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struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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struct img_spfi *spfi = spi_master_get_devdata(spi->master);
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struct img_spfi *spfi = spi_controller_get_devdata(spi->controller);
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struct dma_async_tx_descriptor *rxdesc = NULL, *txdesc = NULL;
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struct dma_slave_config rxconf, txconf;
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@ -384,10 +384,10 @@ stop_dma:
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return -EIO;
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}
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static void img_spfi_handle_err(struct spi_master *master,
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static void img_spfi_handle_err(struct spi_controller *host,
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struct spi_message *msg)
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{
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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unsigned long flags;
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/*
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@ -405,9 +405,9 @@ static void img_spfi_handle_err(struct spi_master *master,
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spin_unlock_irqrestore(&spfi->lock, flags);
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}
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static int img_spfi_prepare(struct spi_master *master, struct spi_message *msg)
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static int img_spfi_prepare(struct spi_controller *host, struct spi_message *msg)
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{
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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u32 val;
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val = spfi_readl(spfi, SPFI_PORT_STATE);
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@ -427,20 +427,20 @@ static int img_spfi_prepare(struct spi_master *master, struct spi_message *msg)
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return 0;
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}
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static int img_spfi_unprepare(struct spi_master *master,
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static int img_spfi_unprepare(struct spi_controller *host,
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struct spi_message *msg)
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{
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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spfi_reset(spfi);
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return 0;
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}
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static void img_spfi_config(struct spi_master *master, struct spi_device *spi,
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static void img_spfi_config(struct spi_controller *host, struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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struct img_spfi *spfi = spi_master_get_devdata(spi->master);
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struct img_spfi *spfi = spi_controller_get_devdata(spi->controller);
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u32 val, div;
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/*
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@ -476,11 +476,11 @@ static void img_spfi_config(struct spi_master *master, struct spi_device *spi,
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spfi_writel(spfi, val, SPFI_CONTROL);
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}
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static int img_spfi_transfer_one(struct spi_master *master,
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static int img_spfi_transfer_one(struct spi_controller *host,
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struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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struct img_spfi *spfi = spi_master_get_devdata(spi->master);
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struct img_spfi *spfi = spi_controller_get_devdata(spi->controller);
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int ret;
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if (xfer->len > SPFI_TRANSACTION_TSIZE_MASK) {
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@ -490,16 +490,16 @@ static int img_spfi_transfer_one(struct spi_master *master,
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return -EINVAL;
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}
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img_spfi_config(master, spi, xfer);
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if (master->can_dma && master->can_dma(master, spi, xfer))
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ret = img_spfi_start_dma(master, spi, xfer);
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img_spfi_config(host, spi, xfer);
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if (host->can_dma && host->can_dma(host, spi, xfer))
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ret = img_spfi_start_dma(host, spi, xfer);
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else
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ret = img_spfi_start_pio(master, spi, xfer);
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ret = img_spfi_start_pio(host, spi, xfer);
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return ret;
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}
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static bool img_spfi_can_dma(struct spi_master *master, struct spi_device *spi,
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static bool img_spfi_can_dma(struct spi_controller *host, struct spi_device *spi,
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struct spi_transfer *xfer)
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{
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if (xfer->len > SPFI_32BIT_FIFO_SIZE)
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@ -524,20 +524,20 @@ static irqreturn_t img_spfi_irq(int irq, void *dev_id)
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static int img_spfi_probe(struct platform_device *pdev)
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{
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struct spi_master *master;
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struct spi_controller *host;
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struct img_spfi *spfi;
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struct resource *res;
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int ret;
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u32 max_speed_hz;
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master = spi_alloc_master(&pdev->dev, sizeof(*spfi));
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if (!master)
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host = spi_alloc_host(&pdev->dev, sizeof(*spfi));
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if (!host)
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return -ENOMEM;
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platform_set_drvdata(pdev, master);
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platform_set_drvdata(pdev, host);
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spfi = spi_master_get_devdata(master);
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spfi = spi_controller_get_devdata(host);
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spfi->dev = &pdev->dev;
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spfi->master = master;
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spfi->host = host;
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spin_lock_init(&spfi->lock);
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spfi->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
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@ -582,15 +582,15 @@ static int img_spfi_probe(struct platform_device *pdev)
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*/
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spfi_writel(spfi, SPFI_INTERRUPT_IACCESS, SPFI_INTERRUPT_ENABLE);
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master->auto_runtime_pm = true;
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master->bus_num = pdev->id;
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master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL;
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host->auto_runtime_pm = true;
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host->bus_num = pdev->id;
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host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL;
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if (of_property_read_bool(spfi->dev->of_node, "img,supports-quad-mode"))
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master->mode_bits |= SPI_TX_QUAD | SPI_RX_QUAD;
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master->dev.of_node = pdev->dev.of_node;
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master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(8);
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master->max_speed_hz = clk_get_rate(spfi->spfi_clk) / 4;
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master->min_speed_hz = clk_get_rate(spfi->spfi_clk) / 512;
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host->mode_bits |= SPI_TX_QUAD | SPI_RX_QUAD;
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host->dev.of_node = pdev->dev.of_node;
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host->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(8);
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host->max_speed_hz = clk_get_rate(spfi->spfi_clk) / 4;
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host->min_speed_hz = clk_get_rate(spfi->spfi_clk) / 512;
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/*
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* Maximum speed supported by spfi is limited to the lower value
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@ -601,15 +601,15 @@ static int img_spfi_probe(struct platform_device *pdev)
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*/
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if (!of_property_read_u32(spfi->dev->of_node, "spfi-max-frequency",
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&max_speed_hz)) {
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if (master->max_speed_hz > max_speed_hz)
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master->max_speed_hz = max_speed_hz;
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if (host->max_speed_hz > max_speed_hz)
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host->max_speed_hz = max_speed_hz;
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}
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master->transfer_one = img_spfi_transfer_one;
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master->prepare_message = img_spfi_prepare;
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master->unprepare_message = img_spfi_unprepare;
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master->handle_err = img_spfi_handle_err;
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master->use_gpio_descriptors = true;
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host->transfer_one = img_spfi_transfer_one;
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host->prepare_message = img_spfi_prepare;
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host->unprepare_message = img_spfi_unprepare;
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host->handle_err = img_spfi_handle_err;
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host->use_gpio_descriptors = true;
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spfi->tx_ch = dma_request_chan(spfi->dev, "tx");
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if (IS_ERR(spfi->tx_ch)) {
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@ -636,15 +636,15 @@ static int img_spfi_probe(struct platform_device *pdev)
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spfi->rx_ch = NULL;
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dev_warn(spfi->dev, "Failed to get DMA channels, falling back to PIO mode\n");
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} else {
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master->dma_tx = spfi->tx_ch;
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master->dma_rx = spfi->rx_ch;
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master->can_dma = img_spfi_can_dma;
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host->dma_tx = spfi->tx_ch;
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host->dma_rx = spfi->rx_ch;
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host->can_dma = img_spfi_can_dma;
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}
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pm_runtime_set_active(spfi->dev);
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pm_runtime_enable(spfi->dev);
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ret = devm_spi_register_master(spfi->dev, master);
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ret = devm_spi_register_controller(spfi->dev, host);
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if (ret)
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goto disable_pm;
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@ -660,15 +660,15 @@ disable_pm:
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disable_pclk:
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clk_disable_unprepare(spfi->sys_clk);
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put_spi:
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spi_master_put(master);
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spi_controller_put(host);
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return ret;
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}
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static void img_spfi_remove(struct platform_device *pdev)
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{
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struct spi_master *master = platform_get_drvdata(pdev);
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct spi_controller *host = platform_get_drvdata(pdev);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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if (spfi->tx_ch)
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dma_release_channel(spfi->tx_ch);
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@ -685,8 +685,8 @@ static void img_spfi_remove(struct platform_device *pdev)
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#ifdef CONFIG_PM
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static int img_spfi_runtime_suspend(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct spi_controller *host = dev_get_drvdata(dev);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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clk_disable_unprepare(spfi->spfi_clk);
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clk_disable_unprepare(spfi->sys_clk);
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@ -696,8 +696,8 @@ static int img_spfi_runtime_suspend(struct device *dev)
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static int img_spfi_runtime_resume(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct spi_controller *host = dev_get_drvdata(dev);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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int ret;
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ret = clk_prepare_enable(spfi->sys_clk);
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@ -716,15 +716,15 @@ static int img_spfi_runtime_resume(struct device *dev)
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#ifdef CONFIG_PM_SLEEP
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static int img_spfi_suspend(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct spi_controller *host = dev_get_drvdata(dev);
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return spi_master_suspend(master);
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return spi_controller_suspend(host);
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}
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static int img_spfi_resume(struct device *dev)
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{
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struct spi_master *master = dev_get_drvdata(dev);
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struct img_spfi *spfi = spi_master_get_devdata(master);
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struct spi_controller *host = dev_get_drvdata(dev);
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struct img_spfi *spfi = spi_controller_get_devdata(host);
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int ret;
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ret = pm_runtime_resume_and_get(dev);
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@ -733,7 +733,7 @@ static int img_spfi_resume(struct device *dev)
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spfi_reset(spfi);
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pm_runtime_put(dev);
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return spi_master_resume(master);
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return spi_controller_resume(host);
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}
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#endif /* CONFIG_PM_SLEEP */
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