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authorSachin Kamat <sachin.kamat@linaro.org>2013-04-29 16:20:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:36 -0700
commite035be6a551ea4a241784a0f3c53a7f2f2425ec4 (patch)
treec0619c7134c589cf3234d0935732cd63755df5be
parent4f58cd9b4663ac52c8b019e78b0f4eae37da297e (diff)
drivers/rtc/rtc-max8925.c: use devm_* APIs
devm_* functions are device managed and make cleanup code simpler. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Haojian Zhuang <haojian.zhuang@linaro.org> 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>
-rw-r--r--drivers/rtc/rtc-max8925.c26
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c
index a0c8265646d2..7c90f4e45e27 100644
--- a/drivers/rtc/rtc-max8925.c
+++ b/drivers/rtc/rtc-max8925.c
@@ -253,7 +253,8 @@ static int max8925_rtc_probe(struct platform_device *pdev)
struct max8925_rtc_info *info;
int ret;
- info = kzalloc(sizeof(struct max8925_rtc_info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(struct max8925_rtc_info),
+ GFP_KERNEL);
if (!info)
return -ENOMEM;
info->chip = chip;
@@ -261,12 +262,13 @@ static int max8925_rtc_probe(struct platform_device *pdev)
info->dev = &pdev->dev;
info->irq = platform_get_irq(pdev, 0);
- ret = request_threaded_irq(info->irq, NULL, rtc_update_handler,
- IRQF_ONESHOT, "rtc-alarm0", info);
+ ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
+ rtc_update_handler, IRQF_ONESHOT,
+ "rtc-alarm0", info);
if (ret < 0) {
dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
info->irq, ret);
- goto out_irq;
+ goto err;
}
dev_set_drvdata(&pdev->dev, info);
@@ -275,32 +277,22 @@ static int max8925_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
- info->rtc_dev = rtc_device_register("max8925-rtc", &pdev->dev,
+ info->rtc_dev = devm_rtc_device_register(&pdev->dev, "max8925-rtc",
&max8925_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;
+ goto err;
}
return 0;
-out_rtc:
+err:
platform_set_drvdata(pdev, NULL);
- free_irq(info->irq, info);
-out_irq:
- kfree(info);
return ret;
}
static int max8925_rtc_remove(struct platform_device *pdev)
{
- struct max8925_rtc_info *info = platform_get_drvdata(pdev);
-
- if (info) {
- free_irq(info->irq, info);
- rtc_device_unregister(info->rtc_dev);
- kfree(info);
- }
return 0;
}