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Commit 5d79e9ac authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mark Brown
Browse files

spi: rcar: Use devm_* managed allocators 



This simplies error and cleanup code paths.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 5ffbe2d9

drivers/spi/spi-rspi.c

+13 −25
Original line number Diff line number Diff line
@@ -889,9 +889,6 @@ static int rspi_remove(struct platform_device *pdev) 


	spi_unregister_master(rspi->master);

	rspi_release_dma(rspi);

	free_irq(platform_get_irq(pdev, 0), rspi);

	clk_put(rspi->clk);

	iounmap(rspi->addr);



	return 0;

}
@@ -913,12 +910,6 @@ static int rspi_probe(struct platform_device *pdev) 
		dev_err(&pdev->dev, "there is no set_config_register\n");

		return -ENODEV;

	}

	/* get base addr */

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (unlikely(res == NULL)) {

		dev_err(&pdev->dev, "invalid resource\n");

		return -EINVAL;

	}



	irq = platform_get_irq(pdev, 0);

	if (irq < 0) {
@@ -936,19 +927,20 @@ static int rspi_probe(struct platform_device *pdev) 
	platform_set_drvdata(pdev, rspi);

	rspi->ops = ops;

	rspi->master = master;

	rspi->addr = ioremap(res->start, resource_size(res));

	if (rspi->addr == NULL) {

		dev_err(&pdev->dev, "ioremap error.\n");

		ret = -ENOMEM;



	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	rspi->addr = devm_ioremap_resource(&pdev->dev, res);

	if (IS_ERR(rspi->addr)) {

		ret = PTR_ERR(rspi->addr);

		goto error1;

	}



	snprintf(clk_name, sizeof(clk_name), "%s%d", id_entry->name, pdev->id);

	rspi->clk = clk_get(&pdev->dev, clk_name);

	rspi->clk = devm_clk_get(&pdev->dev, clk_name);

	if (IS_ERR(rspi->clk)) {

		dev_err(&pdev->dev, "cannot get clock\n");

		ret = PTR_ERR(rspi->clk);

		goto error2;

		goto error1;

	}

	clk_enable(rspi->clk);
@@ -966,36 +958,32 @@ static int rspi_probe(struct platform_device *pdev) 
	master->transfer = rspi_transfer;

	master->cleanup = rspi_cleanup;



	ret = request_irq(irq, rspi_irq, 0, dev_name(&pdev->dev), rspi);

	ret = devm_request_irq(&pdev->dev, irq, rspi_irq, 0,

			       dev_name(&pdev->dev), rspi);

	if (ret < 0) {

		dev_err(&pdev->dev, "request_irq error\n");

		goto error3;

		goto error1;

	}



	rspi->irq = irq;

	ret = rspi_request_dma(rspi, pdev);

	if (ret < 0) {

		dev_err(&pdev->dev, "rspi_request_dma failed.\n");

		goto error4;

		goto error2;

	}



	ret = spi_register_master(master);

	if (ret < 0) {

		dev_err(&pdev->dev, "spi_register_master error.\n");

		goto error4;

		goto error2;

	}



	dev_info(&pdev->dev, "probed\n");



	return 0;



error4:

	rspi_release_dma(rspi);

	free_irq(irq, rspi);

error3:

	clk_put(rspi->clk);

error2:

	iounmap(rspi->addr);

	rspi_release_dma(rspi);

error1:

	spi_master_put(master);