spi: microchip-core: switch to use modern name

Change legacy name master/slave to modern name host/target or controller.

No functional changed.

Signed-off-by: Yang Yingliang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

drivers/spi/spi-microchip-core.c

···
 static void mchp_corespi_set_cs(struct spi_device *spi, bool disable)
 {
 	u32 reg;
-	struct mchp_corespi *corespi = spi_master_get_devdata(spi->master);
+	struct mchp_corespi *corespi = spi_controller_get_devdata(spi->controller);
 
 	reg = mchp_corespi_read(corespi, REG_SLAVE_SELECT);
 	reg &= ~BIT(spi_get_chipselect(spi, 0));
···
 
 static int mchp_corespi_setup(struct spi_device *spi)
 {
-	struct mchp_corespi *corespi = spi_master_get_devdata(spi->master);
+	struct mchp_corespi *corespi = spi_controller_get_devdata(spi->controller);
 	u32 reg;
 
 	/*
-	 * Active high slaves need to be specifically set to their inactive
+	 * Active high targets need to be specifically set to their inactive
 	 * states during probe by adding them to the "control group" & thus
 	 * driving their select line low.
 	 */
···
 	return 0;
 }
 
-static void mchp_corespi_init(struct spi_master *master, struct mchp_corespi *spi)
+static void mchp_corespi_init(struct spi_controller *host, struct mchp_corespi *spi)
 {
 	unsigned long clk_hz;
 	u32 control = mchp_corespi_read(spi, REG_CONTROL);
···
 
 	/* max. possible spi clock rate is the apb clock rate */
 	clk_hz = clk_get_rate(spi->clk);
-	master->max_speed_hz = clk_hz;
+	host->max_speed_hz = clk_hz;
 
 	/*
 	 * The controller must be configured so that it doesn't remove Chip
···
 	/*
 	 * It is required to enable direct mode, otherwise control over the chip
 	 * select is relinquished to the hardware. SSELOUT is enabled too so we
-	 * can deal with active high slaves.
+	 * can deal with active high targets.
 	 */
 	mchp_corespi_write(spi, REG_SLAVE_SELECT, SSELOUT | SSEL_DIRECT);
 
···
 
 static irqreturn_t mchp_corespi_interrupt(int irq, void *dev_id)
 {
-	struct spi_master *master = dev_id;
-	struct mchp_corespi *spi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_id;
+	struct mchp_corespi *spi = spi_controller_get_devdata(host);
 	u32 intfield = mchp_corespi_read(spi, REG_MIS) & 0xf;
 	bool finalise = false;
 
···
 	if (intfield & INT_RX_CHANNEL_OVERFLOW) {
 		mchp_corespi_write(spi, REG_INT_CLEAR, INT_RX_CHANNEL_OVERFLOW);
 		finalise = true;
-		dev_err(&master->dev,
+		dev_err(&host->dev,
 			"%s: RX OVERFLOW: rxlen: %d, txlen: %d\n", __func__,
 			spi->rx_len, spi->tx_len);
 	}
···
 	if (intfield & INT_TX_CHANNEL_UNDERRUN) {
 		mchp_corespi_write(spi, REG_INT_CLEAR, INT_TX_CHANNEL_UNDERRUN);
 		finalise = true;
-		dev_err(&master->dev,
+		dev_err(&host->dev,
 			"%s: TX UNDERFLOW: rxlen: %d, txlen: %d\n", __func__,
 			spi->rx_len, spi->tx_len);
 	}
 
 	if (finalise)
-		spi_finalize_current_transfer(master);
+		spi_finalize_current_transfer(host);
 
 	return IRQ_HANDLED;
 }
···
 	return 0;
 }
 
-static int mchp_corespi_transfer_one(struct spi_master *master,
+static int mchp_corespi_transfer_one(struct spi_controller *host,
 				     struct spi_device *spi_dev,
 				     struct spi_transfer *xfer)
 {
-	struct mchp_corespi *spi = spi_master_get_devdata(master);
+	struct mchp_corespi *spi = spi_controller_get_devdata(host);
 	int ret;
 
 	ret = mchp_corespi_calculate_clkgen(spi, (unsigned long)xfer->speed_hz);
 	if (ret) {
-		dev_err(&master->dev, "failed to set clk_gen for target %u Hz\n", xfer->speed_hz);
+		dev_err(&host->dev, "failed to set clk_gen for target %u Hz\n", xfer->speed_hz);
 		return ret;
 	}
 
···
 	return 1;
 }
 
-static int mchp_corespi_prepare_message(struct spi_master *master,
+static int mchp_corespi_prepare_message(struct spi_controller *host,
 					struct spi_message *msg)
 {
 	struct spi_device *spi_dev = msg->spi;
-	struct mchp_corespi *spi = spi_master_get_devdata(master);
+	struct mchp_corespi *spi = spi_controller_get_devdata(host);
 
 	mchp_corespi_set_framesize(spi, DEFAULT_FRAMESIZE);
 	mchp_corespi_set_mode(spi, spi_dev->mode);
···
 
 static int mchp_corespi_probe(struct platform_device *pdev)
 {
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct mchp_corespi *spi;
 	struct resource *res;
 	u32 num_cs;
 	int ret = 0;
 
-	master = devm_spi_alloc_master(&pdev->dev, sizeof(*spi));
-	if (!master)
+	host = devm_spi_alloc_host(&pdev->dev, sizeof(*spi));
+	if (!host)
 		return dev_err_probe(&pdev->dev, -ENOMEM,
-				     "unable to allocate master for SPI controller\n");
+				     "unable to allocate host for SPI controller\n");
 
-	platform_set_drvdata(pdev, master);
+	platform_set_drvdata(pdev, host);
 
 	if (of_property_read_u32(pdev->dev.of_node, "num-cs", &num_cs))
 		num_cs = MAX_CS;
 
-	master->num_chipselect = num_cs;
-	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
-	master->setup = mchp_corespi_setup;
-	master->bits_per_word_mask = SPI_BPW_MASK(8);
-	master->transfer_one = mchp_corespi_transfer_one;
-	master->prepare_message = mchp_corespi_prepare_message;
-	master->set_cs = mchp_corespi_set_cs;
-	master->dev.of_node = pdev->dev.of_node;
+	host->num_chipselect = num_cs;
+	host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+	host->setup = mchp_corespi_setup;
+	host->bits_per_word_mask = SPI_BPW_MASK(8);
+	host->transfer_one = mchp_corespi_transfer_one;
+	host->prepare_message = mchp_corespi_prepare_message;
+	host->set_cs = mchp_corespi_set_cs;
+	host->dev.of_node = pdev->dev.of_node;
 
-	spi = spi_master_get_devdata(master);
+	spi = spi_controller_get_devdata(host);
 
 	spi->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(spi->regs))
···
 		return spi->irq;
 
 	ret = devm_request_irq(&pdev->dev, spi->irq, mchp_corespi_interrupt,
-			       IRQF_SHARED, dev_name(&pdev->dev), master);
+			       IRQF_SHARED, dev_name(&pdev->dev), host);
 	if (ret)
 		return dev_err_probe(&pdev->dev, ret,
 				     "could not request irq\n");
···
 		return dev_err_probe(&pdev->dev, ret,
 				     "failed to enable clock\n");
 
-	mchp_corespi_init(master, spi);
+	mchp_corespi_init(host, spi);
 
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = devm_spi_register_controller(&pdev->dev, host);
 	if (ret) {
 		mchp_corespi_disable(spi);
 		clk_disable_unprepare(spi->clk);
 		return dev_err_probe(&pdev->dev, ret,
-				     "unable to register master for SPI controller\n");
+				     "unable to register host for SPI controller\n");
 	}
 
-	dev_info(&pdev->dev, "Registered SPI controller %d\n", master->bus_num);
+	dev_info(&pdev->dev, "Registered SPI controller %d\n", host->bus_num);
 
 	return 0;
 }
 
 static void mchp_corespi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master  = platform_get_drvdata(pdev);
-	struct mchp_corespi *spi = spi_master_get_devdata(master);
+	struct spi_controller *host  = platform_get_drvdata(pdev);
+	struct mchp_corespi *spi = spi_controller_get_devdata(host);
 
 	mchp_corespi_disable_ints(spi);
 	clk_disable_unprepare(spi->clk);