Messages in this thread Patch in this message | | | From | Laxman Dewangan <> | Subject | [PATCH V3 5/5] rtc: tegra: use managed rtc_device_register | Date | Tue, 12 Mar 2013 01:00:01 +0530 |
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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> --- Changes from V1: - Formatting the code. - Add Thierry's reviewed by.
Changes from V2: - Add Stephen's reviewed by. - No change in code.
drivers/rtc/rtc-tegra.c | 27 ++++----------------------- 1 files changed, 4 insertions(+), 23 deletions(-)
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c index e9f0d53..7cb3da0 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; } @@ -367,28 +365,12 @@ 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 +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", -- 1.7.1.1
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