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soc: mediatek: pwrap: Check return value of platform_get_irq()

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Check for the return value of platform_get_irq(): if no interrupt
is specified, it wouldn't make sense to call devm_request_irq().

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220517104712.24579-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
AngeloGioacchino Del Regno 2022-05-17 12:47:10 +02:00 committed by Matthias Brugger
parent e84187fa6f
commit 56a468b5f6
1 changed files with 5 additions and 0 deletions
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5
drivers/soc/mediatek/mtk-pmic-wrap.c
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@ -2317,6 +2317,11 @@ static int pwrap_probe(struct platform_device *pdev)
pwrap_writel(wrp, wrp->master->int1_en_all, PWRAP_INT1_EN);
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = irq;
goto err_out2;
}
ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt,
IRQF_TRIGGER_HIGH,
"mt-pmic-pwrap", wrp);