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Commit c40dcf6e authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

rtc: rtc-msm6242: use devm_*() functions 



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

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent a379fd24

drivers/rtc/rtc-msm6242.c

+11 −21
Original line number Diff line number Diff line
@@ -194,30 +194,28 @@ static const struct rtc_class_ops msm6242_rtc_ops = { 
	.set_time	= msm6242_set_time,

};



static int __init msm6242_rtc_probe(struct platform_device *dev)

static int __init msm6242_rtc_probe(struct platform_device *pdev)

{

	struct resource *res;

	struct msm6242_priv *priv;

	struct rtc_device *rtc;

	int error;



	res = platform_get_resource(dev, IORESOURCE_MEM, 0);

	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

	if (!res)

		return -ENODEV;



	priv = kzalloc(sizeof(*priv), GFP_KERNEL);

	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);

	if (!priv)

		return -ENOMEM;



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

	if (!priv->regs) {

		error = -ENOMEM;

		goto out_free_priv;

	}

	platform_set_drvdata(dev, priv);

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

	if (!priv->regs)

		return -ENOMEM;

	platform_set_drvdata(pdev, priv);



	rtc = rtc_device_register("rtc-msm6242", &dev->dev, &msm6242_rtc_ops,

				  THIS_MODULE);

	rtc = devm_rtc_device_register(&pdev->dev, "rtc-msm6242",

				&msm6242_rtc_ops, THIS_MODULE);

	if (IS_ERR(rtc)) {

		error = PTR_ERR(rtc);

		goto out_unmap;
@@ -227,20 +225,12 @@ static int __init msm6242_rtc_probe(struct platform_device *dev) 
	return 0;



out_unmap:

	platform_set_drvdata(dev, NULL);

	iounmap(priv->regs);

out_free_priv:

	kfree(priv);

	platform_set_drvdata(pdev, NULL);

	return error;

}



static int __exit msm6242_rtc_remove(struct platform_device *dev)

static int __exit msm6242_rtc_remove(struct platform_device *pdev)

{

	struct msm6242_priv *priv = platform_get_drvdata(dev);



	rtc_device_unregister(priv->rtc);

	iounmap(priv->regs);

	kfree(priv);

	return 0;

}