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Commit 4eb77006 authored by Jingoo Han's avatar Jingoo Han Committed by Grant Likely
Browse files

spi/s3c64xx: Use devm_clk_get() and devm_request_irq() 



Use devm_clk_get() and devm_request_irq() rather than clk_get() and
request_irq() to make cleanup paths more simple.

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
parent 3133fba3

drivers/spi/spi-s3c64xx.c

+15 −26
Original line number Diff line number Diff line
@@ -1282,7 +1282,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) 
	if (sdd->regs == NULL) {

		dev_err(&pdev->dev, "Unable to remap IO\n");

		ret = -ENXIO;

		goto err1;

		goto err0;

	}



	if (!sci->cfg_gpio && pdev->dev.of_node) {
@@ -1291,36 +1291,36 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) 
	} else if (sci->cfg_gpio == NULL || sci->cfg_gpio()) {

		dev_err(&pdev->dev, "Unable to config gpio\n");

		ret = -EBUSY;

		goto err2;

		goto err0;

	}



	/* Setup clocks */

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

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

	if (IS_ERR(sdd->clk)) {

		dev_err(&pdev->dev, "Unable to acquire clock 'spi'\n");

		ret = PTR_ERR(sdd->clk);

		goto err3;

		goto err1;

	}



	if (clk_prepare_enable(sdd->clk)) {

		dev_err(&pdev->dev, "Couldn't enable clock 'spi'\n");

		ret = -EBUSY;

		goto err4;

		goto err1;

	}



	sprintf(clk_name, "spi_busclk%d", sci->src_clk_nr);

	sdd->src_clk = clk_get(&pdev->dev, clk_name);

	sdd->src_clk = devm_clk_get(&pdev->dev, clk_name);

	if (IS_ERR(sdd->src_clk)) {

		dev_err(&pdev->dev,

			"Unable to acquire clock '%s'\n", clk_name);

		ret = PTR_ERR(sdd->src_clk);

		goto err5;

		goto err2;

	}



	if (clk_prepare_enable(sdd->src_clk)) {

		dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", clk_name);

		ret = -EBUSY;

		goto err6;

		goto err2;

	}



	/* Setup Deufult Mode */
@@ -1330,11 +1330,12 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) 
	init_completion(&sdd->xfer_completion);

	INIT_LIST_HEAD(&sdd->queue);



	ret = request_irq(irq, s3c64xx_spi_irq, 0, "spi-s3c64xx", sdd);

	ret = devm_request_irq(&pdev->dev, irq, s3c64xx_spi_irq, 0,

				"spi-s3c64xx", sdd);

	if (ret != 0) {

		dev_err(&pdev->dev, "Failed to request IRQ %d: %d\n",

			irq, ret);

		goto err7;

		goto err3;

	}



	writel(S3C64XX_SPI_INT_RX_OVERRUN_EN | S3C64XX_SPI_INT_RX_UNDERRUN_EN |
@@ -1344,7 +1345,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) 
	if (spi_register_master(master)) {

		dev_err(&pdev->dev, "cannot register SPI master\n");

		ret = -EBUSY;

		goto err8;

		goto err3;

	}



	dev_dbg(&pdev->dev, "Samsung SoC SPI Driver loaded for Bus SPI-%d "
@@ -1358,21 +1359,13 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) 


	return 0;



err8:

	free_irq(irq, sdd);

err7:

err3:

	clk_disable_unprepare(sdd->src_clk);

err6:

	clk_put(sdd->src_clk);

err5:

err2:

	clk_disable_unprepare(sdd->clk);

err4:

	clk_put(sdd->clk);

err3:

err1:

	if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node)

		s3c64xx_spi_dt_gpio_free(sdd);

err2:

err1:

err0:

	platform_set_drvdata(pdev, NULL);

	spi_master_put(master);
@@ -1391,13 +1384,9 @@ static int s3c64xx_spi_remove(struct platform_device *pdev) 


	writel(0, sdd->regs + S3C64XX_SPI_INT_EN);



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



	clk_disable_unprepare(sdd->src_clk);

	clk_put(sdd->src_clk);



	clk_disable_unprepare(sdd->clk);

	clk_put(sdd->clk);



	if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node)

		s3c64xx_spi_dt_gpio_free(sdd);