[PATCH 08/12] rtc: rtc-da9052: use devm_request_threaded_irq()

From: Jingoo Han
Date: Thu Feb 21 2013 - 03:36:16 EST


Use devm_request_threaded_irq() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/rtc/rtc-da9052.c | 18 ++++++------------
1 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c
index 60b826e..0dde688 100644
--- a/drivers/rtc/rtc-da9052.c
+++ b/drivers/rtc/rtc-da9052.c
@@ -240,9 +240,10 @@ static int da9052_rtc_probe(struct platform_device *pdev)
rtc->da9052 = dev_get_drvdata(pdev->dev.parent);
platform_set_drvdata(pdev, rtc);
rtc->irq = platform_get_irq_byname(pdev, "ALM");
- ret = request_threaded_irq(rtc->irq, NULL, da9052_rtc_irq,
- IRQF_TRIGGER_LOW | IRQF_ONESHOT,
- "ALM", rtc);
+ ret = devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+ da9052_rtc_irq,
+ IRQF_TRIGGER_LOW | IRQF_ONESHOT,
+ "ALM", rtc);
if (ret != 0) {
rtc_err(rtc->da9052, "irq registration failed: %d\n", ret);
return ret;
@@ -250,16 +251,10 @@ static int da9052_rtc_probe(struct platform_device *pdev)

rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
&da9052_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc->rtc)) {
- ret = PTR_ERR(rtc->rtc);
- goto err_free_irq;
- }
+ if (IS_ERR(rtc->rtc))
+ return PTR_ERR(rtc->rtc);

return 0;
-
-err_free_irq:
- free_irq(rtc->irq, rtc);
- return ret;
}

static int da9052_rtc_remove(struct platform_device *pdev)
@@ -267,7 +262,6 @@ static int da9052_rtc_remove(struct platform_device *pdev)
struct da9052_rtc *rtc = pdev->dev.platform_data;

rtc_device_unregister(rtc->rtc);
- free_irq(rtc->irq, rtc);
platform_set_drvdata(pdev, NULL);

return 0;
--
1.7.2.5


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