[PATCH 15/30] rtc: rtc-m48t86: use devm_rtc_device_register()

From: Jingoo Han
Date: Thu Mar 14 2013 - 04:19:20 EST


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

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/rtc/rtc-m48t86.c | 11 ++++-------
1 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 2ffbcac..33a91c4 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -148,8 +148,10 @@ static int m48t86_rtc_probe(struct platform_device *dev)
{
unsigned char reg;
struct m48t86_ops *ops = dev->dev.platform_data;
- struct rtc_device *rtc = rtc_device_register("m48t86",
- &dev->dev, &m48t86_rtc_ops, THIS_MODULE);
+ struct rtc_device *rtc;
+
+ rtc = devm_rtc_device_register(&dev->dev, "m48t86",
+ &m48t86_rtc_ops, THIS_MODULE);

if (IS_ERR(rtc))
return PTR_ERR(rtc);
@@ -166,11 +168,6 @@ static int m48t86_rtc_probe(struct platform_device *dev)

static int m48t86_rtc_remove(struct platform_device *dev)
{
- struct rtc_device *rtc = platform_get_drvdata(dev);
-
- if (rtc)
- rtc_device_unregister(rtc);
-
platform_set_drvdata(dev, NULL);

return 0;
--
1.7.2.5


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