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authorLaxman Dewangan <ldewangan@nvidia.com>2013-04-29 16:19:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:28 -0700
commit68567112ee3fa3c4eec0c525c39929564809dbb4 (patch)
tree5c8160db187fcb7e41ed986ca25c5491b00f58cb /drivers/rtc/rtc-tegra.c
parent57bff981f7ebc9b4617f84d425081dbddcf9f963 (diff)
drivers/rtc/rtc-tegra.c: use managed rtc_device_register()
Use devm_rtc_device_register() for registering RTC device. This will reduce the code for unregistering RTC device in cleanup path and remove the implementation of remove callback of platform driver. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Reviewed-by: Stephen Warren <swarren@nvidia.com> Cc: 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/rtc-tegra.c')
-rw-r--r--drivers/rtc/rtc-tegra.c28
1 files changed, 5 insertions, 23 deletions
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index e9f0d530121e..a34315d25478 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -349,13 +349,12 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
- info->rtc_dev = rtc_device_register(
- pdev->name, &pdev->dev, &tegra_rtc_ops, THIS_MODULE);
+ info->rtc_dev = devm_rtc_device_register(&pdev->dev,
+ dev_name(&pdev->dev), &tegra_rtc_ops,
+ THIS_MODULE);
if (IS_ERR(info->rtc_dev)) {
ret = PTR_ERR(info->rtc_dev);
- info->rtc_dev = NULL;
- dev_err(&pdev->dev,
- "Unable to register device (err=%d).\n",
+ dev_err(&pdev->dev, "Unable to register device (err=%d).\n",
ret);
return ret;
}
@@ -367,28 +366,12 @@ static int __init tegra_rtc_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Unable to request interrupt for device (err=%d).\n",
ret);
- goto err_dev_unreg;
+ return ret;
}
dev_notice(&pdev->dev, "Tegra internal Real Time Clock\n");
return 0;
-
-err_dev_unreg:
- rtc_device_unregister(info->rtc_dev);
-
- return ret;
-}
-
-static int __exit tegra_rtc_remove(struct platform_device *pdev)
-{
- struct tegra_rtc_info *info = platform_get_drvdata(pdev);
-
- rtc_device_unregister(info->rtc_dev);
-
- platform_set_drvdata(pdev, NULL);
-
- return 0;
}
#ifdef CONFIG_PM_SLEEP
@@ -440,7 +423,6 @@ static void tegra_rtc_shutdown(struct platform_device *pdev)
MODULE_ALIAS("platform:tegra_rtc");
static struct platform_driver tegra_rtc_driver = {
- .remove = __exit_p(tegra_rtc_remove),
.shutdown = tegra_rtc_shutdown,
.driver = {
.name = "tegra_rtc",