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Commit 470805eb authored by Vaishali Thakkar's avatar Vaishali Thakkar Committed by Mark Brown
Browse files

ASoC: tegra: Convert to managed resources 



Use managed resource functions devm_clk_put and
devm_snd_soc_register_component to simplify error handling.

To be compatible with the change various gotos are replaced
with direct returns, and unneeded labels are dropped.

Signed-off-by: default avatarVaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8833c01a

sound/soc/tegra/tegra20_spdif.c

+13 −24
Original line number Diff line number Diff line
@@ -273,45 +273,40 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) 
			     GFP_KERNEL);

	if (!spdif) {

		dev_err(&pdev->dev, "Can't allocate tegra20_spdif\n");

		ret = -ENOMEM;

		goto err;

		return -ENOMEM;

	}

	dev_set_drvdata(&pdev->dev, spdif);



	spdif->clk_spdif_out = clk_get(&pdev->dev, "spdif_out");

	spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "spdif_out");

	if (IS_ERR(spdif->clk_spdif_out)) {

		pr_err("Can't retrieve spdif clock\n");

		ret = PTR_ERR(spdif->clk_spdif_out);

		goto err;

		return ret;

	}



	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!mem) {

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

		ret = -ENODEV;

		goto err_clk_put;

		return -ENODEV;

	}



	dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0);

	if (!dmareq) {

		dev_err(&pdev->dev, "No DMA resource\n");

		ret = -ENODEV;

		goto err_clk_put;

		return -ENODEV;

	}



	memregion = devm_request_mem_region(&pdev->dev, mem->start,

					    resource_size(mem), DRV_NAME);

	if (!memregion) {

		dev_err(&pdev->dev, "Memory region already claimed\n");

		ret = -EBUSY;

		goto err_clk_put;

		return -EBUSY;

	}



	regs = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));

	if (!regs) {

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

		ret = -ENOMEM;

		goto err_clk_put;

		return -ENOMEM;

	}



	spdif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
@@ -319,7 +314,7 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) 
	if (IS_ERR(spdif->regmap)) {

		dev_err(&pdev->dev, "regmap init failed\n");

		ret = PTR_ERR(spdif->regmap);

		goto err_clk_put;

		return ret;

	}



	spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT;
@@ -334,7 +329,8 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) 
			goto err_pm_disable;

	}



	ret = snd_soc_register_component(&pdev->dev, &tegra20_spdif_component,

	ret = devm_snd_soc_register_component(&pdev->dev,

					      &tegra20_spdif_component,

					      &tegra20_spdif_dai, 1);

	if (ret) {

		dev_err(&pdev->dev, "Could not register DAI: %d\n", ret);
@@ -345,21 +341,17 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) 
	ret = tegra_pcm_platform_register(&pdev->dev);

	if (ret) {

		dev_err(&pdev->dev, "Could not register PCM: %d\n", ret);

		goto err_unregister_component;

		return ret;

	}



	return 0;



err_unregister_component:

	snd_soc_unregister_component(&pdev->dev);

err_suspend:

	if (!pm_runtime_status_suspended(&pdev->dev))

		tegra20_spdif_runtime_suspend(&pdev->dev);

err_pm_disable:

	pm_runtime_disable(&pdev->dev);

err_clk_put:

	clk_put(spdif->clk_spdif_out);

err:



	return ret;

}
@@ -372,9 +364,6 @@ static int tegra20_spdif_platform_remove(struct platform_device *pdev) 
		tegra20_spdif_runtime_suspend(&pdev->dev);



	tegra_pcm_platform_unregister(&pdev->dev);

	snd_soc_unregister_component(&pdev->dev);



	clk_put(spdif->clk_spdif_out);



	return 0;

}