rtc: rtc-da9052: use devm_request_threaded_irq()

Use devm_request_threaded_irq() to make cleanup paths more simple.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c
index 60b826e520e2e2c2c04a8d18328853a27d5c81b0..0dde688ca09b4785bf6968393f1b1a7579233b8f 100644 (file)
--- 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;