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rtc: rtc-ds1742: use devm_rtc_device_register()

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devm_rtc_device_register() is device managed and makes 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>
This commit is contained in:
Jingoo Han 2013-04-29 16:19:01 -07:00 committed by Linus Torvalds
parent c1be915ee0
commit f7cfdea08a
1 changed files with 2 additions and 6 deletions
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8
drivers/rtc/rtc-ds1742.c
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@ -208,17 +208,14 @@ static int ds1742_rtc_probe(struct platform_device *pdev)
pdata->last_jiffies = jiffies;
platform_set_drvdata(pdev, pdata);
rtc = rtc_device_register(pdev->name, &pdev->dev,
rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
&ds1742_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
pdata->rtc = rtc;
ret = sysfs_create_bin_file(&pdev->dev.kobj, &pdata->nvram_attr);
if (ret) {
dev_err(&pdev->dev, "creating nvram file in sysfs failed\n");
rtc_device_unregister(rtc);
}
return ret;
}
@ -227,7 +224,6 @@ static int ds1742_rtc_remove(struct platform_device *pdev)
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
sysfs_remove_bin_file(&pdev->dev.kobj, &pdata->nvram_attr);
rtc_device_unregister(pdata->rtc);
return 0;
}