[PATCH 05/12] rtc: rtc-lp8788: use devm_request_threaded_irq()

[Jingoo Han]

Use devm_request_threaded_irq() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
 drivers/rtc/rtc-lp8788.c |   10 ++--------
 1 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-lp8788.c b/drivers/rtc/rtc-lp8788.c
index 4a4e78e..9a46312 100644
--- a/drivers/rtc/rtc-lp8788.c
+++ b/drivers/rtc/rtc-lp8788.c
@@ -278,16 +278,11 @@ static int lp8788_alarm_irq_register(struct platform_device *pdev,
 
 	rtc->irq = irq_create_mapping(irqdm, irq);
 
-	return request_threaded_irq(rtc->irq, NULL, lp8788_alarm_irq_handler,
+	return devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
+				lp8788_alarm_irq_handler,
 				0, LP8788_ALM_IRQ, rtc);
 }
 
-static void lp8788_alarm_irq_unregister(struct lp8788_rtc *rtc)
-{
-	if (rtc->irq)
-		free_irq(rtc->irq, rtc);
-}
-
 static int lp8788_rtc_probe(struct platform_device *pdev)
 {
 	struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent);
@@ -321,7 +316,6 @@ static int lp8788_rtc_remove(struct platform_device *pdev)
 {
 	struct lp8788_rtc *rtc = platform_get_drvdata(pdev);
 
-	lp8788_alarm_irq_unregister(rtc);
 	rtc_device_unregister(rtc->rdev);
 	platform_set_drvdata(pdev, NULL);
 
-- 
1.7.2.5


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