watchdog: mpcore_wdt: Allow platform_get_irq() to fail
irq is not necessary for mpcore wdt. Don't return error if it is not passed. But if it is passed, then request_irq must pass. Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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@ -347,15 +347,15 @@ static int __devinit mpcore_wdt_probe(struct platform_device *pdev)
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wdt->dev = &pdev->dev;
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wdt->irq = platform_get_irq(pdev, 0);
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if (wdt->irq < 0)
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return -ENXIO;
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ret = devm_request_irq(wdt->dev, wdt->irq, mpcore_wdt_fire, 0,
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"mpcore_wdt", wdt);
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if (ret) {
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dev_printk(KERN_ERR, wdt->dev,
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"cannot register IRQ%d for watchdog\n", wdt->irq);
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return ret;
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if (wdt->irq >= 0) {
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ret = devm_request_irq(wdt->dev, wdt->irq, mpcore_wdt_fire, 0,
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"mpcore_wdt", wdt);
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if (ret) {
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dev_printk(KERN_ERR, wdt->dev,
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"cannot register IRQ%d for watchdog\n",
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wdt->irq);
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return ret;
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}
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}
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wdt->base = devm_ioremap(wdt->dev, res->start, resource_size(res));
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