From 8a96d445e921b0d881421767fb6f7c5b6fb91b3a Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Wed, 20 Mar 2013 15:08:11 +1100 Subject: [PATCH] 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 Reviewed-by: Thierry Reding Reviewed-by: Stephen Warren Cc: Jingoo Han Signed-off-by: Andrew Morton --- drivers/rtc/rtc-tegra.c | 27 ++++----------------------- 1 file changed, 4 insertions(+), 23 deletions(-) diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c index e9f0d530121e..7cb3da0e879a 100644 --- a/drivers/rtc/rtc-tegra.c +++ b/drivers/rtc/rtc-tegra.c @@ -349,13 +349,11 @@ 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(dev_name(&pdev->dev), + &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; } @@ -367,27 +365,11 @@ 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; } @@ -440,7 +422,6 @@ 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", -- 2.39.5