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regulator: wm831x-ldo: Use devm_request_threaded_irq() 

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

Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-08-31 11:50:00 +01:00
parent 63fb3149c8
commit 41c7a879d1
1 changed files with 7 additions and 9 deletions
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16
drivers/regulator/wm831x-ldo.c
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@ -288,9 +288,10 @@ static int wm831x_gp_ldo_probe(struct platform_device *pdev)
}
irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
IRQF_TRIGGER_RISING, ldo->name,
ldo);
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
wm831x_ldo_uv_irq,
IRQF_TRIGGER_RISING, ldo->name,
ldo);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@ -311,8 +312,6 @@ static int wm831x_gp_ldo_remove(struct platform_device *pdev)
{
struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
free_irq(wm831x_irq(ldo->wm831x,
platform_get_irq_byname(pdev, "UV")), ldo);
regulator_unregister(ldo->regulator);
return 0;
@ -514,8 +513,9 @@ static int wm831x_aldo_probe(struct platform_device *pdev)
}
irq = wm831x_irq(wm831x, platform_get_irq_byname(pdev, "UV"));
ret = request_threaded_irq(irq, NULL, wm831x_ldo_uv_irq,
IRQF_TRIGGER_RISING, ldo->name, ldo);
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
wm831x_ldo_uv_irq,
IRQF_TRIGGER_RISING, ldo->name, ldo);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to request UV IRQ %d: %d\n",
irq, ret);
@ -536,8 +536,6 @@ static int wm831x_aldo_remove(struct platform_device *pdev)
{
struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
free_irq(wm831x_irq(ldo->wm831x, platform_get_irq_byname(pdev, "UV")),
ldo);
regulator_unregister(ldo->regulator);
return 0;