From 3087b3d090d2fd3bc0c26c0dc6cbe49e493c7988 Mon Sep 17 00:00:00 2001 From: Sachin Kamat Date: Mon, 29 Apr 2013 16:20:27 -0700 Subject: [PATCH] drivers/rtc/rtc-88pm860x.c: use devm_* APIs devm_* functions are device managed and make cleanup code simpler. Signed-off-by: Sachin Kamat Acked-by: Haojian Zhuang Cc: Jingoo Han Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-88pm860x.c | 29 +++++++++++------------------ 1 file changed, 11 insertions(+), 18 deletions(-) diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index f663746f4603..0f2b91bfee37 100644 --- a/drivers/rtc/rtc-88pm860x.c +++ b/drivers/rtc/rtc-88pm860x.c @@ -318,14 +318,14 @@ static int pm860x_rtc_probe(struct platform_device *pdev) pdata = pdev->dev.platform_data; - info = kzalloc(sizeof(struct pm860x_rtc_info), GFP_KERNEL); + info = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_rtc_info), + GFP_KERNEL); if (!info) return -ENOMEM; info->irq = platform_get_irq(pdev, 0); if (info->irq < 0) { dev_err(&pdev->dev, "No IRQ resource!\n"); - ret = -EINVAL; - goto out; + return info->irq; } info->chip = chip; @@ -333,12 +333,13 @@ static int pm860x_rtc_probe(struct platform_device *pdev) info->dev = &pdev->dev; dev_set_drvdata(&pdev->dev, info); - ret = request_threaded_irq(info->irq, NULL, rtc_update_handler, - IRQF_ONESHOT, "rtc", info); + ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL, + rtc_update_handler, IRQF_ONESHOT, "rtc", + info); if (ret < 0) { dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n", info->irq, ret); - goto out; + return ret; } /* set addresses of 32-bit base value for RTC time */ @@ -350,7 +351,7 @@ static int pm860x_rtc_probe(struct platform_device *pdev) ret = pm860x_rtc_read_time(&pdev->dev, &tm); if (ret < 0) { dev_err(&pdev->dev, "Failed to read initial time.\n"); - goto out_rtc; + return ret; } if ((tm.tm_year < 70) || (tm.tm_year > 138)) { tm.tm_year = 70; @@ -362,7 +363,7 @@ static int pm860x_rtc_probe(struct platform_device *pdev) ret = pm860x_rtc_set_time(&pdev->dev, &tm); if (ret < 0) { dev_err(&pdev->dev, "Failed to set initial time.\n"); - goto out_rtc; + return ret; } } rtc_tm_to_time(&tm, &ticks); @@ -373,12 +374,12 @@ static int pm860x_rtc_probe(struct platform_device *pdev) } } - info->rtc_dev = rtc_device_register("88pm860x-rtc", &pdev->dev, + info->rtc_dev = devm_rtc_device_register(&pdev->dev, "88pm860x-rtc", &pm860x_rtc_ops, THIS_MODULE); ret = PTR_ERR(info->rtc_dev); if (IS_ERR(info->rtc_dev)) { dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret); - goto out_rtc; + return ret; } /* @@ -405,11 +406,6 @@ static int pm860x_rtc_probe(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 1); return 0; -out_rtc: - free_irq(info->irq, info); -out: - kfree(info); - return ret; } static int pm860x_rtc_remove(struct platform_device *pdev) @@ -423,9 +419,6 @@ static int pm860x_rtc_remove(struct platform_device *pdev) #endif /* VRTC_CALIBRATION */ platform_set_drvdata(pdev, NULL); - rtc_device_unregister(info->rtc_dev); - free_irq(info->irq, info); - kfree(info); return 0; }