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authorJingoo Han <jg1.han@samsung.com>2013-04-29 16:20:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:37 -0700
commitc40dcf6e8ce477ba8c1c21b949b28e03b1700902 (patch)
treeab06854ec7bc18cf3913f3a2414ea173dccc1492 /drivers/rtc
parenta379fd2458d78d3286c8103aa479839b073c89fe (diff)
rtc: rtc-msm6242: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-msm6242.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/rtc/rtc-msm6242.c b/drivers/rtc/rtc-msm6242.c
index 3ac1e8eca89..771f86a05d1 100644
--- a/drivers/rtc/rtc-msm6242.c
+++ b/drivers/rtc/rtc-msm6242.c
@@ -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;
}