[PATCH V2 23/30] rtc: rtc-stk17ta8: use devm_rtc_device_register()

From: Jingoo Han
Date: Wed Mar 06 2013 - 02:55:24 EST


devm_rtc_device_register() is device managed and makes cleanup
paths simpler.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
Changes since v1:
- used 'struct device *dev' as the first argument

drivers/rtc/rtc-stk17ta8.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 7e4a6f6..af5e97e 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -336,14 +336,13 @@ static int stk17ta8_rtc_probe(struct platform_device *pdev)
}
}

- pdata->rtc = rtc_device_register(pdev->name, &pdev->dev,
+ pdata->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
&stk17ta8_rtc_ops, THIS_MODULE);
if (IS_ERR(pdata->rtc))
return PTR_ERR(pdata->rtc);

ret = sysfs_create_bin_file(&pdev->dev.kobj, &stk17ta8_nvram_attr);
- if (ret)
- rtc_device_unregister(pdata->rtc);
+
return ret;
}

@@ -352,7 +351,6 @@ static int stk17ta8_rtc_remove(struct platform_device *pdev)
struct rtc_plat_data *pdata = platform_get_drvdata(pdev);

sysfs_remove_bin_file(&pdev->dev.kobj, &stk17ta8_nvram_attr);
- rtc_device_unregister(pdata->rtc);
if (pdata->irq > 0)
writeb(0, pdata->ioaddr + RTC_INTERRUPTS);
return 0;
--
1.7.2.5


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