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Commit 7519459d authored by Jingoo Han's avatar Jingoo Han Committed by Mark Brown
Browse files

spi: nuc900: Use devm_*() functions 



Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Acked-by: default avatarWan ZongShun <mcuos.com@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 6ce4eac1

drivers/spi/spi-nuc900.c

+10 −40
Original line number Diff line number Diff line
@@ -57,7 +57,6 @@ struct nuc900_spi { 
	const unsigned char	*tx;

	unsigned char		*rx;

	struct clk		*clk;

	struct resource		*ioarea;

	struct spi_master	*master;

	struct spi_device	*curdev;

	struct device		*dev;
@@ -344,8 +343,7 @@ static int nuc900_spi_probe(struct platform_device *pdev) 
	master = spi_alloc_master(&pdev->dev, sizeof(struct nuc900_spi));

	if (master == NULL) {

		dev_err(&pdev->dev, "No memory for spi_master\n");

		err = -ENOMEM;

		goto err_nomem;

		return -ENOMEM;

	}



	hw = spi_master_get_devdata(master);
@@ -376,40 +374,31 @@ static int nuc900_spi_probe(struct platform_device *pdev) 
		goto err_pdata;

	}



	hw->ioarea = request_mem_region(hw->res->start,

					resource_size(hw->res), pdev->name);



	if (hw->ioarea == NULL) {

		dev_err(&pdev->dev, "Cannot reserve region\n");

		err = -ENXIO;

	hw->regs = devm_ioremap_resource(&pdev->dev, hw->res);

	if (IS_ERR(hw->regs)) {

		err = PTR_ERR(hw->regs);

		goto err_pdata;

	}



	hw->regs = ioremap(hw->res->start, resource_size(hw->res));

	if (hw->regs == NULL) {

		dev_err(&pdev->dev, "Cannot map IO\n");

		err = -ENXIO;

		goto err_iomap;

	}



	hw->irq = platform_get_irq(pdev, 0);

	if (hw->irq < 0) {

		dev_err(&pdev->dev, "No IRQ specified\n");

		err = -ENOENT;

		goto err_irq;

		goto err_pdata;

	}



	err = request_irq(hw->irq, nuc900_spi_irq, 0, pdev->name, hw);

	err = devm_request_irq(&pdev->dev, hw->irq, nuc900_spi_irq, 0,

				pdev->name, hw);

	if (err) {

		dev_err(&pdev->dev, "Cannot claim IRQ\n");

		goto err_irq;

		goto err_pdata;

	}



	hw->clk = clk_get(&pdev->dev, "spi");

	hw->clk = devm_clk_get(&pdev->dev, "spi");

	if (IS_ERR(hw->clk)) {

		dev_err(&pdev->dev, "No clock for device\n");

		err = PTR_ERR(hw->clk);

		goto err_clk;

		goto err_pdata;

	}



	mfp_set_groupg(&pdev->dev, NULL);
@@ -425,17 +414,8 @@ static int nuc900_spi_probe(struct platform_device *pdev) 


err_register:

	clk_disable(hw->clk);

	clk_put(hw->clk);

err_clk:

	free_irq(hw->irq, hw);

err_irq:

	iounmap(hw->regs);

err_iomap:

	release_mem_region(hw->res->start, resource_size(hw->res));

	kfree(hw->ioarea);

err_pdata:

	spi_master_put(hw->master);

err_nomem:

	return err;

}
@@ -443,18 +423,8 @@ static int nuc900_spi_remove(struct platform_device *dev) 
{

	struct nuc900_spi *hw = platform_get_drvdata(dev);



	free_irq(hw->irq, hw);



	spi_bitbang_stop(&hw->bitbang);



	clk_disable(hw->clk);

	clk_put(hw->clk);



	iounmap(hw->regs);



	release_mem_region(hw->res->start, resource_size(hw->res));

	kfree(hw->ioarea);



	spi_master_put(hw->master);

	return 0;

}