regulator: wm831x-isink: Use devm_request_threaded_irq()

devm guarantees that resources are freed in the opposite order to that in
which they are allocated.

Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 4eb373d..841cb52 100644 (file)
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -203,8 +203,10 @@ static int wm831x_isink_probe(struct platform_device *pdev)
        }
 
        irq = wm831x_irq(wm831x, platform_get_irq(pdev, 0));
-       ret = request_threaded_irq(irq, NULL, wm831x_isink_irq,
-                                  IRQF_TRIGGER_RISING, isink->name, isink);
+       ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
+                                       wm831x_isink_irq,
+                                       IRQF_TRIGGER_RISING, isink->name,
+                                       isink);
        if (ret != 0) {
                dev_err(&pdev->dev, "Failed to request ISINK IRQ %d: %d\n",
                        irq, ret);
@@ -225,8 +227,6 @@ static int wm831x_isink_remove(struct platform_device *pdev)
 {
        struct wm831x_isink *isink = platform_get_drvdata(pdev);
 
-       free_irq(wm831x_irq(isink->wm831x, platform_get_irq(pdev, 0)), isink);
-
        regulator_unregister(isink->regulator);
 
        return 0;